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  1. Article: Search for massive long-lived particles decaying semileptonically in the LHCb detector.

    Aaij, R / Adeva, B / Adinolfi, M / Ajaltouni, Z / Akar, S / Albrecht, J / Alessio, F / Alexander, M / Ali, S / Alkhazov, G / Alvarez Cartelle, P / Alves, A A / Amato, S / Amerio, S / Amhis, Y / An, L / Anderlini, L / Andreassi, G / Andreotti, M /
    Andrews, J E / Appleby, R B / Archilli, F / d'Argent, P / Arnau Romeu, J / Artamonov, A / Artuso, M / Aslanides, E / Auriemma, G / Baalouch, M / Babuschkin, I / Bachmann, S / Back, J J / Badalov, A / Baesso, C / Baker, S / Baldini, W / Barlow, R J / Barschel, C / Barsuk, S / Barter, W / Baszczyk, M / Batozskaya, V / Batsukh, B / Battista, V / Bay, A / Beaucourt, L / Beddow, J / Bedeschi, F / Bediaga, I / Bel, L J / Bellee, V / Belloli, N / Belous, K / Belyaev, I / Ben-Haim, E / Bencivenni, G / Benson, S / Benton, J / Berezhnoy, A / Bernet, R / Bertolin, A / Betancourt, C / Betti, F / Bettler, M-O / van Beuzekom, M / Bezshyiko, Ia / Bifani, S / Billoir, P / Bird, T / Birnkraut, A / Bitadze, A / Bizzeti, A / Blake, T / Blanc, F / Blouw, J / Blusk, S / Bocci, V / Boettcher, T / Bondar, A / Bondar, N / Bonivento, W / Bordyuzhin, I / Borgheresi, A / Borghi, S / Borisyak, M / Borsato, M / Bossu, F / Boubdir, M / Bowcock, T J V / Bowen, E / Bozzi, C / Braun, S / Britsch, M / Britton, T / Brodzicka, J / Buchanan, E / Burr, C / Bursche, A / Buytaert, J / Cadeddu, S / Calabrese, R / Calvi, M / Calvo Gomez, M / Camboni, A / Campana, P / Campora Perez, D H / Capriotti, L / Carbone, A / Carboni, G / Cardinale, R / Cardini, A / Carniti, P / Carson, L / Carvalho Akiba, K / Casse, G / Cassina, L / Castillo Garcia, L / Cattaneo, M / Cauet, Ch / Cavallero, G / Cenci, R / Chamont, D / Charles, M / Charpentier, Ph / Chatzikonstantinidis, G / Chefdeville, M / Chen, S / Cheung, S-F / Chobanova, V / Chrzaszcz, M / Cid Vidal, X / Ciezarek, G / Clarke, P E L / Clemencic, M / Cliff, H V / Closier, J / Coco, V / Cogan, J / Cogneras, E / Cogoni, V / Cojocariu, L / Collazuol, G / Collins, P / Comerma-Montells, A / Contu, A / Cook, A / Coombs, G / Coquereau, S / Corti, G / Corvo, M / Costa Sobral, C M / Couturier, B / Cowan, G A / Craik, D C / Crocombe, A / Cruz Torres, M / Cunliffe, S / Currie, R / D'Ambrosio, C / Da Cunha Marinho, F / Dall'Occo, E / Dalseno, J / David, P N Y / Davis, A / De Aguiar Francisco, O / De Bruyn, K / De Capua, S / De Cian, M / De Miranda, J M / De Paula, L / De Serio, M / De Simone, P / Dean, C-T / Decamp, D / Deckenhoff, M / Del Buono, L / Demmer, M / Dendek, A / Derkach, D / Deschamps, O / Dettori, F / Dey, B / Di Canto, A / Dijkstra, H / Dordei, F / Dorigo, M / Dosil Suárez, A / Dovbnya, A / Dreimanis, K / Dufour, L / Dujany, G / Dungs, K / Durante, P / Dzhelyadin, R / Dziurda, A / Dzyuba, A / Déléage, N / Easo, S / Ebert, M / Egede, U / Egorychev, V / Eidelman, S / Eisenhardt, S / Eitschberger, U / Ekelhof, R / Eklund, L / Ely, S / Esen, S / Evans, H M / Evans, T / Falabella, A / Farley, N / Farry, S / Fay, R / Fazzini, D / Ferguson, D / Fernandez Prieto, A / Ferrari, F / Ferreira Rodrigues, F / Ferro-Luzzi, M / Filippov, S / Fini, R A / Fiore, M / Fiorini, M / Firlej, M / Fitzpatrick, C / Fiutowski, T / Fleuret, F / Fohl, K / Fontana, M / Fontanelli, F / Forshaw, D C / Forty, R / Franco Lima, V / Frank, M / Frei, C / Fu, J / Funk, W / Furfaro, E / Färber, C / Gallas Torreira, A / Galli, D / Gallorini, S / Gambetta, S / Gandelman, M / Gandini, P / Gao, Y / Garcia Martin, L M / García Pardiñas, J / Garra Tico, J / Garrido, L / Garsed, P J / Gascon, D / Gaspar, C / Gavardi, L / Gazzoni, G / Gerick, D / Gersabeck, E / Gersabeck, M / Gershon, T / Ghez, Ph / Gianì, S / Gibson, V / Girard, O G / Giubega, L / Gizdov, K / Gligorov, V V / Golubkov, D / Golutvin, A / Gomes, A / Gorelov, I V / Gotti, C / Gándara, M Grabalosa / Graciani Diaz, R / Granado Cardoso, L A / Graugés, E / Graverini, E / Graziani, G / Grecu, A / Griffith, P / Grillo, L / Gruberg Cazon, B R / Grünberg, O / Gushchin, E / Guz, Yu / Gys, T / Göbel, C / Hadavizadeh, T / Hadjivasiliou, C / Haefeli, G / Haen, C / Haines, S C / Hall, S / Hamilton, B / Han, X / Hansmann-Menzemer, S / Harnew, N / Harnew, S T / Harrison, J / Hatch, M / He, J / Head, T / Heister, A / Hennessy, K / Henrard, P / Henry, L / van Herwijnen, E / Heß, M / Hicheur, A / Hill, D / Hombach, C / Hopchev, H / Hulsbergen, W / Humair, T / Hushchyn, M / Hussain, N / Hutchcroft, D / Idzik, M / Ilten, P / Jacobsson, R / Jaeger, A / Jalocha, J / Jans, E / Jawahery, A / Jiang, F / John, M / Johnson, D / Jones, C R / Joram, C / Jost, B / Jurik, N / Kandybei, S / Kanso, W / Karacson, M / Kariuki, J M / Karodia, S / Kecke, M / Kelsey, M / Kenzie, M / Ketel, T / Khairullin, E / Khanji, B / Khurewathanakul, C / Kirn, T / Klaver, S / Klimaszewski, K / Koliiev, S / Kolpin, M / Komarov, I / Koopman, R F / Koppenburg, P / Kosmyntseva, A / Kozachuk, A / Kozeiha, M / Kravchuk, L / Kreplin, K / Kreps, M / Krokovny, P / Kruse, F / Krzemien, W / Kucewicz, W / Kucharczyk, M / Kudryavtsev, V / Kuonen, A K / Kurek, K / Kvaratskheliya, T / Lacarrere, D / Lafferty, G / Lai, A / Lanfranchi, G / Langenbruch, C / Latham, T / Lazzeroni, C / Le Gac, R / van Leerdam, J / Leflat, A / Lefrançois, J / Lefèvre, R / Lemaitre, F / Lemos Cid, E / Leroy, O / Lesiak, T / Leverington, B / Li, T / Li, Y / Likhomanenko, T / Lindner, R / Linn, C / Lionetto, F / Liu, X / Loh, D / Longstaff, I / Lopes, J H / Lucchesi, D / Lucio Martinez, M / Luo, H / Lupato, A / Luppi, E / Lupton, O / Lusiani, A / Lyu, X / Machefert, F / Maciuc, F / Maev, O / Maguire, K / Malde, S / Malinin, A / Maltsev, T / Manca, G / Mancinelli, G / Manning, P / Maratas, J / Marchand, J F / Marconi, U / Marin Benito, C / Marino, P / Marks, J / Martellotti, G / Martin, M / Martinelli, M / Martinez Santos, D / Martinez Vidal, F / Martins Tostes, D / Massacrier, L M / Massafferri, A / Matev, R / Mathad, A / Mathe, Z / Matteuzzi, C / Mauri, A / Maurin, B / Mazurov, A / McCann, M / McCarthy, J / McNab, A / McNulty, R / Meadows, B / Meier, F / Meissner, M / Melnychuk, D / Merk, M / Merli, A / Michielin, E / Milanes, D A / Minard, M-N / Mitzel, D S / Mogini, A / Molina Rodriguez, J / Monroy, I A / Monteil, S / Morandin, M / Morawski, P / Mordà, A / Morello, M J / Moron, J / Morris, A B / Mountain, R / Muheim, F / Mulder, M / Mussini, M / Muster, B / Müller, D / Müller, J / Müller, K / Müller, V / Naik, P / Nakada, T / Nandakumar, R / Nandi, A / Nasteva, I / Needham, M / Neri, N / Neubert, S / Neufeld, N / Neuner, M / Nguyen, T D / Nguyen-Mau, C / Nieswand, S / Niet, R / Nikitin, N / Nikodem, T / Novoselov, A / O'Hanlon, D P / Oblakowska-Mucha, A / Obraztsov, V / Ogilvy, S / Oldeman, R / Onderwater, C J G / Otalora Goicochea, J M / Otto, A / Owen, P / Oyanguren, A / Pais, P R / Palano, A / Palombo, F / Palutan, M / Panman, J / Papanestis, A / Pappagallo, M / Pappalardo, L L / Parker, W / Parkes, C / Passaleva, G / Pastore, A / Patel, G D / Patel, M / Patrignani, C / Pearce, A / Pellegrino, A / Penso, G / Pepe Altarelli, M / Perazzini, S / Perret, P / Pescatore, L / Petridis, K / Petrolini, A / Petrov, A / Petruzzo, M / Picatoste Olloqui, E / Pietrzyk, B / Pikies, M / Pinci, D / Pistone, A / Piucci, A / Playfer, S / Plo Casasus, M / Poikela, T / Polci, F / Poluektov, A / Polyakov, I / Polycarpo, E / Pomery, G J / Popov, A / Popov, D / Popovici, B / Poslavskii, S / Potterat, C / Price, E / Price, J D / Prisciandaro, J / Pritchard, A / Prouve, C / Pugatch, V / Puig Navarro, A / Punzi, G / Qian, W / Quagliani, R / Rachwal, B / Rademacker, J H / Rama, M / Ramos Pernas, M / Rangel, M S / Raniuk, I / Ratnikov, F / Raven, G / Redi, F / Reichert, S / Dos Reis, A C / Remon Alepuz, C / Renaudin, V / Ricciardi, S / Richards, S / Rihl, M / Rinnert, K / Rives Molina, V / Robbe, P / Rodrigues, A B / Rodrigues, E / Rodriguez Lopez, J A / Rodriguez Perez, P / Rogozhnikov, A / Roiser, S / Rollings, A / Romanovskiy, V / Romero Vidal, A / Ronayne, J W / Rotondo, M / Rudolph, M S / Ruf, T / Ruiz Valls, P / Saborido Silva, J J / Sadykhov, E / Sagidova, N / Saitta, B / Salustino Guimaraes, V / Sanchez Mayordomo, C / Sanmartin Sedes, B / Santacesaria, R / Santamarina Rios, C / Santimaria, M / Santovetti, E / Sarti, A / Satriano, C / Satta, A / Saunders, D M / Savrina, D / Schael, S / Schellenberg, M / Schiller, M / Schindler, H / Schlupp, M / Schmelling, M / Schmelzer, T / Schmidt, B / Schneider, O / Schopper, A / Schubert, K / Schubiger, M / Schune, M-H / Schwemmer, R / Sciascia, B / Sciubba, A / Semennikov, A / Sergi, A / Serra, N / Serrano, J / Sestini, L / Seyfert, P / Shapkin, M / Shapoval, I / Shcheglov, Y / Shears, T / Shekhtman, L / Shevchenko, V / Siddi, B G / Silva Coutinho, R / Silva de Oliveira, L / Simi, G / Simone, S / Sirendi, M / Skidmore, N / Skwarnicki, T / Smith, E / Smith, I T / Smith, J / Smith, M / Snoek, H / Soares Lavra, L / Sokoloff, M D / Soler, F J P / Souza De Paula, B / Spaan, B / Spradlin, P / Sridharan, S / Stagni, F / Stahl, M / Stahl, S / Stefko, P / Stefkova, S / Steinkamp, O / Stemmle, S / Stenyakin, O / Stevenson, S / Stoica, S / Stone, S / Storaci, B / Stracka, S / Straticiuc, M / Straumann, U / Sun, L / Sutcliffe, W / Swientek, K / Syropoulos, V / Szczekowski, M / Szumlak, T / T'Jampens, S / Tayduganov, A / Tekampe, T / Teklishyn, M / Tellarini, G / Teubert, F / Thomas, E / van Tilburg, J / Tilley, M J / Tisserand, V / Tobin, M / Tolk, S / Tomassetti, L / Tonelli, D / Topp-Joergensen, S / Toriello, F / Tournefier, E / Tourneur, S / Trabelsi, K / Traill, M / Tran, M T / Tresch, M / Trisovic, A / Tsaregorodtsev, A / Tsopelas, P / Tully, A / Tuning, N / Ukleja, A / Ustyuzhanin, A / Uwer, U / Vacca, C / Vagnoni, V / Valassi, A / Valat, S / Valenti, G / Vallier, A / Vazquez Gomez, R / Vazquez Regueiro, P / Vecchi, S / van Veghel, M / Velthuis, J J / Veltri, M / Veneziano, G / Venkateswaran, A / Vernet, M / Vesterinen, M / Viaud, B / Vieira, D / Vieites Diaz, M / Viemann, H / Vilasis-Cardona, X / Vitti, M / Volkov, V / Vollhardt, A / Voneki, B / Vorobyev, A / Vorobyev, V / Voß, C / de Vries, J A / Vázquez Sierra, C / Waldi, R / Wallace, C / Wallace, R / Walsh, J / Wang, J / Ward, D R / Wark, H M / Watson, N K / Websdale, D / Weiden, A / Whitehead, M / Wicht, J / Wilkinson, G / Wilkinson, M / Williams, M / Williams, M P / Williams, T / Wilson, F F / Wimberley, J / Wishahi, J / Wislicki, W / Witek, M / Wormser, G / Wotton, S A / Wraight, K / Wyllie, K / Xie, Y / Xing, Z / Xu, Z / Yang, Z / Yao, Y / Yin, H / Yu, J / Yuan, X / Yushchenko, O / Zarebski, K A / Zavertyaev, M / Zhang, L / Zhang, Y / Zhelezov, A / Zheng, Y / Zhu, X / Zhukov, V / Zucchelli, S

    The European physical journal. C, Particles and fields

    2017  Volume 77, Issue 4, Page(s) 224

    Abstract: A search is presented for massive long-lived particles decaying into a muon and two quarks. The dataset consists of proton-proton interactions at centre-of-mass energies of 7 and 8 TeV, corresponding to integrated luminosities of 1 and 2[Formula: see ... ...

    Abstract A search is presented for massive long-lived particles decaying into a muon and two quarks. The dataset consists of proton-proton interactions at centre-of-mass energies of 7 and 8 TeV, corresponding to integrated luminosities of 1 and 2[Formula: see text], respectively. The analysis is performed assuming a set of production mechanisms with simple topologies, including the production of a Higgs-like particle decaying into two long-lived particles. The mass range from 20 to 80 [Formula: see text] and lifetimes from 5 to 100[Formula: see text] are explored. Results are also interpreted in terms of neutralino production in different R-Parity violating supersymmetric models, with masses in the 23-198 GeV/[Formula: see text] range. No excess above the background expectation is observed and upper limits are set on the production cross-section for various points in the parameter space of theoretical models.
    Language English
    Publishing date 2017-04-10
    Publishing country France
    Document type Journal Article
    ZDB-ID 1459069-4
    ISSN 1434-6052 ; 1434-6044
    ISSN (online) 1434-6052
    ISSN 1434-6044
    DOI 10.1140/epjc/s10052-017-4744-6
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Search for Higgs-like bosons decaying into long-lived exotic particles.

    Aaij, R / Adeva, B / Adinolfi, M / Ajaltouni, Z / Akar, S / Albrecht, J / Alessio, F / Alexander, M / Ali, S / Alkhazov, G / Cartelle, P Alvarez / Alves, A A / Amato, S / Amerio, S / Amhis, Y / An, L / Anderlini, L / Andreassi, G / Andreotti, M /
    Andrews, J E / Appleby, R B / Gutierrez, O Aquines / Archilli, F / d'Argent, P / Romeu, J Arnau / Artamonov, A / Artuso, M / Aslanides, E / Auriemma, G / Baalouch, M / Bachmann, S / Back, J J / Badalov, A / Baesso, C / Baldini, W / Barlow, R J / Barschel, C / Barsuk, S / Barter, W / Batozskaya, V / Battista, V / Bay, A / Beaucourt, L / Beddow, J / Bedeschi, F / Bediaga, I / Bel, L J / Bellee, V / Belloli, N / Belous, K / Belyaev, I / Ben-Haim, E / Bencivenni, G / Benson, S / Benton, J / Berezhnoy, A / Bernet, R / Bertolin, A / Bettler, M-O / van Beuzekom, M / Bezshyiko, I / Bifani, S / Billoir, P / Bird, T / Birnkraut, A / Bitadze, A / Bizzeti, A / Blake, T / Blanc, F / Blouw, J / Blusk, S / Bocci, V / Boettcher, T / Bondar, A / Bondar, N / Bonivento, W / Borghi, S / Borisyak, M / Borsato, M / Bossu, F / Boubdir, M / Bowcock, T J V / Bowen, E / Bozzi, C / Braun, S / Britsch, M / Britton, T / Brodzicka, J / Buchanan, E / Burr, C / Bursche, A / Buytaert, J / Cadeddu, S / Calabrese, R / Calvi, M / Gomez, M Calvo / Campana, P / Perez, D Campora / Capriotti, L / Carbone, A / Carboni, G / Cardinale, R / Cardini, A / Carniti, P / Carson, L / Akiba, K Carvalho / Casse, G / Cassina, L / Garcia, L Castillo / Cattaneo, M / Cauet, Ch / Cavallero, G / Cenci, R / Charles, M / Charpentier, Ph / Chatzikonstantinidis, G / Chefdeville, M / Chen, S / Cheung, S-F / Chobanova, V / Chrzaszcz, M / Vidal, X Cid / Ciezarek, G / Clarke, P E L / Clemencic, M / Cliff, H V / Closier, J / Coco, V / Cogan, J / Cogneras, E / Cogoni, V / Cojocariu, L / Collazuol, G / Collins, P / Comerma-Montells, A / Contu, A / Cook, A / Coquereau, S / Corti, G / Corvo, M / Sobral, C M Costa / Couturier, B / Cowan, G A / Craik, D C / Crocombe, A / Torres, M Cruz / Cunliffe, S / Currie, R / D'Ambrosio, C / Dall'Occo, E / Dalseno, J / David, P N Y / Davis, A / Francisco, O De Aguiar / De Bruyn, K / De Capua, S / De Cian, M / De Miranda, J M / De Paula, L / De Simone, P / Dean, C-T / Decamp, D / Deckenhoff, M / Del Buono, L / Demmer, M / Derkach, D / Deschamps, O / Dettori, F / Dey, B / Di Canto, A / Dijkstra, H / Dordei, F / Dorigo, M / Suárez, A Dosil / Dovbnya, A / Dreimanis, K / Dufour, L / Dujany, G / Dungs, K / Durante, P / Dzhelyadin, R / Dziurda, A / Dzyuba, A / Déléage, N / Easo, S / Egede, U / Egorychev, V / Eidelman, S / Eisenhardt, S / Eitschberger, U / Ekelhof, R / Eklund, L / Elsasser, Ch / Ely, S / Esen, S / Evans, H M / Evans, T / Falabella, A / Farley, N / Farry, S / Fay, R / Ferguson, D / Albor, V Fernandez / Ferrari, F / Rodrigues, F Ferreira / Ferro-Luzzi, M / Filippov, S / Fiore, M / Fiorini, M / Firlej, M / Fitzpatrick, C / Fiutowski, T / Fleuret, F / Fohl, K / Fontana, M / Fontanelli, F / Forshaw, D C / Forty, R / Frank, M / Frei, C / Frosini, M / Fu, J / Furfaro, E / Färber, C / Torreira, A Gallas / Galli, D / Gallorini, S / Gambetta, S / Gandelman, M / Gandini, P / Gao, Y / Pardiñas, J García / Tico, J Garra / Garrido, L / Garsed, P J / Gascon, D / Gaspar, C / Gavardi, L / Gazzoni, G / Gerick, D / Gersabeck, E / Gersabeck, M / Gershon, T / Ghez, Ph / Gianì, S / Gibson, V / Girard, O G / Giubega, L / Gizdov, K / Gligorov, V V / Golubkov, D / Golutvin, A / Gomes, A / Gorelov, I V / Gotti, C / Gándara, M Grabalosa / Diaz, R Graciani / Cardoso, L A Granado / Graugés, E / Graverini, E / Graziani, G / Grecu, A / Griffith, P / Grillo, L / Cazon, B R Gruberg / Grünberg, O / Gushchin, E / Guz, Yu / Gys, T / Göbel, C / Hadavizadeh, T / Hadjivasiliou, C / Haefeli, G / Haen, C / Haines, S C / Hall, S / Hamilton, B / Han, X / Hansmann-Menzemer, S / Harnew, N / Harnew, S T / Harrison, J / He, J / Head, T / Heister, A / Hennessy, K / Henrard, P / Henry, L / Morata, J A Hernando / van Herwijnen, E / Heß, M / Hicheur, A / Hill, D / Hombach, C / Hulsbergen, W / Humair, T / Hushchyn, M / Hussain, N / Hutchcroft, D / Idzik, M / Ilten, P / Jacobsson, R / Jaeger, A / Jalocha, J / Jans, E / Jawahery, A / John, M / Johnson, D / Jones, C R / Joram, C / Jost, B / Jurik, N / Kandybei, S / Kanso, W / Karacson, M / Kariuki, J M / Karodia, S / Kecke, M / Kelsey, M / Kenyon, I R / Kenzie, M / Ketel, T / Khairullin, E / Khanji, B / Khurewathanakul, C / Kirn, T / Klaver, S / Klimaszewski, K / Koliiev, S / Kolpin, M / Komarov, I / Koopman, R F / Koppenburg, P / Kozachuk, A / Kozeiha, M / Kravchuk, L / Kreplin, K / Kreps, M / Krokovny, P / Kruse, F / Krzemien, W / Kucewicz, W / Kucharczyk, M / Kudryavtsev, V / Kuonen, A K / Kurek, K / Kvaratskheliya, T / Lacarrere, D / Lafferty, G / Lai, A / Lambert, D / Lanfranchi, G / Langenbruch, C / Langhans, B / Latham, T / Lazzeroni, C / Gac, R Le / van Leerdam, J / Lees, J-P / Leflat, A / Lefrançois, J / Lefèvre, R / Lemaitre, F / Cid, E Lemos / Leroy, O / Lesiak, T / Leverington, B / Li, Y / Likhomanenko, T / Lindner, R / Linn, C / Lionetto, F / Liu, B / Liu, X / Loh, D / Longstaff, I / Lopes, J H / Lucchesi, D / Martinez, M Lucio / Luo, H / Lupato, A / Luppi, E / Lupton, O / Lusiani, A / Lyu, X / Machefert, F / Maciuc, F / Maev, O / Maguire, K / Malde, S / Malinin, A / Maltsev, T / Manca, G / Mancinelli, G / Manning, P / Maratas, J / Marchand, J F / Marconi, U / Benito, C Marin / Marino, P / Marks, J / Martellotti, G / Martin, M / Martinelli, M / Santos, D Martinez / Vidal, F Martinez / Tostes, D Martins / Massacrier, L M / Massafferri, A / Matev, R / Mathad, A / Mathe, Z / Matteuzzi, C / Mauri, A / Maurin, B / Mazurov, A / McCann, M / McCarthy, J / McNab, A / McNulty, R / Meadows, B / Meier, F / Meissner, M / Melnychuk, D / Merk, M / Michielin, E / Milanes, D A / Minard, M-N / Mitzel, D S / Rodriguez, J Molina / Monroy, I A / Monteil, S / Morandin, M / Morawski, P / Mordà, A / Morello, M J / Moron, J / Morris, A B / Mountain, R / Muheim, F / Mulder, M / Mussini, M / Müller, D / Müller, J / Müller, K / Müller, V / Naik, P / Nakada, T / Nandakumar, R / Nandi, A / Nasteva, I / Needham, M / Neri, N / Neubert, S / Neufeld, N / Neuner, M / Nguyen, A D / Nguyen-Mau, C / Niess, V / Nieswand, S / Niet, R / Nikitin, N / Nikodem, T / Novoselov, A / O'Hanlon, D P / Oblakowska-Mucha, A / Obraztsov, V / Ogilvy, S / Oldeman, R / Onderwater, C J G / Goicochea, J M Otalora / Otto, A / Owen, P / Oyanguren, A / Palano, A / Palombo, F / Palutan, M / Panman, J / Papanestis, A / Pappagallo, M / Pappalardo, L L / Pappenheimer, C / Parker, W / Parkes, C / Passaleva, G / Patel, G D / Patel, M / Patrignani, C / Pearce, A / Pellegrino, A / Penso, G / Altarelli, M Pepe / Perazzini, S / Perret, P / Pescatore, L / Petridis, K / Petrolini, A / Petrov, A / Petruzzo, M / Olloqui, E Picatoste / Pietrzyk, B / Pikies, M / Pinci, D / Pistone, A / Piucci, A / Playfer, S / Casasus, M Plo / Poikela, T / Polci, F / Poluektov, A / Polyakov, I / Polycarpo, E / Pomery, G J / Popov, A / Popov, D / Popovici, B / Potterat, C / Price, E / Price, J D / Prisciandaro, J / Pritchard, A / Prouve, C / Pugatch, V / Navarro, A Puig / Punzi, G / Qian, W / Quagliani, R / Rachwal, B / Rademacker, J H / Rama, M / Pernas, M Ramos / Rangel, M S / Raniuk, I / Raven, G / Redi, F / Reichert, S / Dos Reis, A C / Alepuz, C Remon / Renaudin, V / Ricciardi, S / Richards, S / Rihl, M / Rinnert, K / Molina, V Rives / Robbe, P / Rodrigues, A B / Rodrigues, E / Lopez, J A Rodriguez / Perez, P Rodriguez / Rogozhnikov, A / Roiser, S / Romanovskiy, V / Vidal, A Romero / Ronayne, J W / Rotondo, M / Ruf, T / Valls, P Ruiz / Silva, J J Saborido / Sagidova, N / Saitta, B / Guimaraes, V Salustino / Mayordomo, C Sanchez / Sedes, B Sanmartin / Santacesaria, R / Rios, C Santamarina / Santimaria, M / Santovetti, E / Sarti, A / Satriano, C / Satta, A / Saunders, D M / Savrina, D / Schael, S / Schiller, M / Schindler, H / Schlupp, M / Schmelling, M / Schmelzer, T / Schmidt, B / Schneider, O / Schopper, A / Schubiger, M / Schune, M-H / Schwemmer, R / Sciascia, B / Sciubba, A / Semennikov, A / Sergi, A / Serra, N / Serrano, J / Sestini, L / Seyfert, P / Shapkin, M / Shapoval, I / Shcheglov, Y / Shears, T / Shekhtman, L / Shevchenko, V / Shires, A / Siddi, B G / Coutinho, R Silva / de Oliveira, L Silva / Simi, G / Sirendi, M / Skidmore, N / Skwarnicki, T / Smith, E / Smith, I T / Smith, J / Smith, M / Snoek, H / Sokoloff, M D / Soler, F J P / Souza, D / De Paula, B Souza / Spaan, B / Spradlin, P / Sridharan, S / Stagni, F / Stahl, M / Stahl, S / Stefko, P / Stefkova, S / Steinkamp, O / Stenyakin, O / Stevenson, S / Stoica, S / Stone, S / Storaci, B / Stracka, S / Straticiuc, M / Straumann, U / Sun, L / Sutcliffe, W / Swientek, K / Syropoulos, V / Szczekowski, M / Szumlak, T / T'Jampens, S / Tayduganov, A / Tekampe, T / Tellarini, G / Teubert, F / Thomas, C / Thomas, E / van Tilburg, J / Tisserand, V / Tobin, M / Tolk, S / Tomassetti, L / Tonelli, D / Topp-Joergensen, S / Tournefier, E / Tourneur, S / Trabelsi, K / Traill, M / Tran, M T / Tresch, M / Trisovic, A / Tsaregorodtsev, A / Tsopelas, P / Tully, A / Tuning, N / Ukleja, A / Ustyuzhanin, A / Uwer, U / Vacca, C / Vagnoni, V / Valat, S / Valenti, G / Vallier, A / Gomez, R Vazquez / Regueiro, P Vazquez / Vecchi, S / van Veghel, M / Velthuis, J J / Veltri, M / Veneziano, G / Venkateswaran, A / Vesterinen, M / Viaud, B / Vieira, D / Diaz, M Vieites / Vilasis-Cardona, X / Volkov, V / Vollhardt, A / Voneki, B / Voong, D / Vorobyev, A / Vorobyev, V / Voß, C / de Vries, J A / Sierra, C Vázquez / Waldi, R / Wallace, C / Wallace, R / Walsh, J / Wang, J / Ward, D R / Wark, H M / Watson, N K / Websdale, D / Weiden, A / Whitehead, M / Wicht, J / Wilkinson, G / Wilkinson, M / Williams, M / Williams, M P / Williams, T / Wilson, F F / Wimberley, J / Wishahi, J / Wislicki, W / Witek, M / Wormser, G / Wotton, S A / Wraight, K / Wright, S / Wyllie, K / Xie, Y / Xing, Z / Xu, Z / Yang, Z / Yin, H / Yu, J / Yuan, X / Yushchenko, O / Zangoli, M / Zarebski, K A / Zavertyaev, M / Zhang, L / Zhang, Y / Zhelezov, A / Zheng, Y / Zhokhov, A / Zhukov, V / Zucchelli, S

    The European physical journal. C, Particles and fields

    2016  Volume 76, Issue 12, Page(s) 664

    Abstract: A search is presented for massive long-lived particles, in the 20-60 [Formula: see text] mass range with lifetimes between 5 and 100 [Formula: see text]. The dataset used corresponds to 0.62[Formula: see text] of proton-proton collision data collected by ...

    Abstract A search is presented for massive long-lived particles, in the 20-60 [Formula: see text] mass range with lifetimes between 5 and 100 [Formula: see text]. The dataset used corresponds to 0.62[Formula: see text] of proton-proton collision data collected by the LHCb detector at [Formula: see text]. The particles are assumed to be pair-produced by the decay of a Higgs-like boson with mass between 80 and 140 [Formula: see text]. No excess above the background expectation is observed and limits are set on the production cross-section as a function of the long-lived particle mass and lifetime and of the Higgs-like boson mass.
    Language English
    Publishing date 2016-12-02
    Publishing country France
    Document type Journal Article
    ZDB-ID 1459069-4
    ISSN 1434-6052 ; 1434-6044
    ISSN (online) 1434-6052
    ISSN 1434-6044
    DOI 10.1140/epjc/s10052-016-4489-7
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Determination of f(s)/f(d) for 7 TeV pp collisions and measurement of the B0→D-K+ branching fraction.

    Aaij, R / Adeva, B / Adinolfi, M / Adrover, C / Affolder, A / Ajaltouni, Z / Albrecht, J / Alessio, F / Alexander, M / Alkhazov, G / Alvarez Cartelle, P / Alves, A A / Amato, S / Amhis, Y / Amoraal, J / Anderson, J / Appleby, R B / Gutierrez, O Aquines / Arrabito, L /
    Artamonov, A / Artuso, M / Aslanides, E / Auriemma, G / Bachmann, S / Back, J J / Bailey, D S / Balagura, V / Baldini, W / Barlow, R J / Barschel, C / Barsuk, S / Barter, W / Bates, A / Bauer, C / Bauer, Th / Bay, A / Bediaga, I / Belous, K / Belyaev, I / Ben-Haim, E / Benayoun, M / Bencivenni, G / Benson, S / Benton, J / Bernet, R / Bettler, M-O / van Beuzekom, M / Bien, A / Bifani, S / Bizzeti, A / Bjørnstad, P M / Blake, T / Blanc, F / Blanks, C / Blouw, J / Blusk, S / Bobrov, A / Bocci, V / Bondar, A / Bondar, N / Bonivento, W / Borghi, S / Borgia, A / Bowcock, T J V / Bozzi, C / Brambach, T / van den Brand, J / Bressieux, J / Brisbane, S / Britsch, M / Britton, T / Brook, N H / Büchler-Germann, A / Bursche, A / Buytaert, J / Cadeddu, S / Carvajal, J M Caicedo / Callot, O / Calvi, M / Gomez, M Calvo / Camboni, A / Campana, P / Carbone, A / Carboni, G / Cardinale, R / Cardini, A / Carson, L / Akiba, K Carvalho / Casse, G / Cattaneo, M / Charles, M / Charpentier, Ph / Chiapolini, N / Vidal, X Cid / Clarke, P E L / Clemencic, M / Cliff, H V / Closier, J / Coca, C / Coco, V / Cogan, J / Collins, P / Constantin, F / Conti, G / Contu, A / Cook, A / Coombes, M / Corti, G / Cowan, G A / Currie, R / D'Almagne, B / D'Ambrosio, C / David, P / David, P N Y / De Bonis, I / De Capua, S / De Cian, M / De Lorenzi, F / De Miranda, J M / De Paula, L / De Simone, P / Decamp, D / Deckenhoff, M / Degaudenzi, H / Deissenroth, M / Del Buono, L / Deplano, C / Deschamps, O / Dettori, F / Dickens, J / Dijkstra, H / Batista, P Diniz / Dossett, D / Dovbnya, A / Dupertuis, F / Dzhelyadin, R / Eames, C / Easo, S / Egede, U / Egorychev, V / Eidelman, S / van Eijk, D / Eisele, F / Eisenhardt, S / Ekelhof, R / Eklund, L / Elsasser, Ch / d'Enterria, D G / Pereira, D Esperante / Estève, L / Falabella, A / Fanchini, E / Färber, C / Fardell, G / Farinelli, C / Farry, S / Fave, V / Albor, V Fernandez / Ferro-Luzzi, M / Filippov, S / Fitzpatrick, C / Fontana, M / Fontanelli, F / Forty, R / Frank, M / Frei, C / Frosini, M / Furcas, S / Torreira, A Gallas / Galli, D / Gandelman, M / Gandini, P / Gao, Y / Garnier, J-C / Garofoli, J / Garrido, L / Gaspar, C / Gauvin, N / Gersabeck, M / Gershon, T / Ghez, Ph / Gibson, V / Gligorov, V V / Göbel, C / Golubkov, D / Golutvin, A / Gomes, A / Gordon, H / Gándara, M Grabalosa / Diaz, R Graciani / Cardoso, L A Granado / Graugés, E / Graziani, G / Grecu, A / Gregson, S / Gui, B / Gushchin, E / Guz, Yu / Gys, T / Haefeli, G / Haines, S C / Hampson, T / Hansmann-Menzemer, S / Harji, R / Harnew, N / Harrison, J / Harrison, P F / He, J / Heijne, V / Hennessy, K / Henrard, P / Morata, J A Hernando / van Herwijnen, E / Hofmann, W / Holubyev, K / Hopchev, P / Hulsbergen, W / Hunt, P / Huse, T / Huston, R S / Hutchcroft, D / Hynds, D / Iakovenko, V / Ilten, P / Imong, J / Jacobsson, R / Hussein, M Jahjah / Jans, E / Jansen, F / Jaton, P / Jean-Marie, B / Jing, F / John, M / Johnson, D / Jones, C R / Jost, B / Kandybei, S / Karbach, T M / Keaveney, J / Kerzel, U / Ketel, T / Keune, A / Khanji, B / Kim, Y M / Knecht, M / Koblitz, S / Koppenburg, P / Kozlinskiy, A / Kravchuk, L / Kreplin, K / Krocker, G / Krokovny, P / Kruse, F / Kruzelecki, K / Kucharczyk, M / Kukulak, S / Kumar, R / Kvaratskheliya, T / La Thi, V N / Lacarrere, D / Lafferty, G / Lai, A / Lambert, D / Lambert, R W / Lanciotti, E / Lanfranchi, G / Langenbruch, C / Latham, T / Le Gac, R / van Leerdam, J / Lees, J-P / Lefèvre, R / Leflat, A / Lefrançois, J / Leroy, O / Lesiak, T / Li, L / Li, Y Y / Li Gioi, L / Lieng, M / Lindner, R / Linn, C / Liu, B / Liu, G / Lopes, J H / Asamar, E Lopez / Lopez-March, N / Luisier, J / Machefert, F / Machikhiliyan, I V / Maciuc, F / Maev, O / Magnin, J / Maier, A / Malde, S / Mamunur, R M D / Manca, G / Mancinelli, G / Mangiafave, N / Marconi, U / Märki, R / Marks, J / Martellotti, G / Martens, A / Martin, L / Sánchez, A Martín / Santos, D Martinez / Massafferri, A / Mathe, Z / Matteuzzi, C / Matveev, M / Maurice, E / Maynard, B / Mazurov, A / McGregor, G / McNulty, R / Mclean, C / Meissner, M / Merk, M / Merkel, J / Messi, R / Miglioranzi, S / Milanes, D A / Minard, M-N / Monteil, S / Moran, D / Morawski, P / Morris, J V / Mountain, R / Mous, I / Muheim, F / Müller, K / Muresan, R / Muryn, B / Musy, M / Naik, P / Nakada, T / Nandakumar, R / Nardulli, J / Nedos, M / Needham, M / Neufeld, N / Nguyen-Mau, C / Nicol, M / Nies, S / Niess, V / Nikitin, N / Oblakowska-Mucha, A / Obraztsov, V / Oggero, S / Ogilvy, S / Okhrimenko, O / Oldeman, R / Orlandea, M / Goicochea, J M Otalora / Pal, B / Palacios, J / Palutan, M / Panman, J / Papanestis, A / Pappagallo, M / Parkes, C / Parkinson, C J / Passaleva, G / Patel, G D / Patel, M / Paterson, S K / Patrick, G N / Patrignani, C / Pavel-Nicorescu, C / Alvarez, A Pazos / Pellegrino, A / Penso, G / Altarelli, M Pepe / Perazzini, S / Perego, D L / Trigo, E Perez / Yzquierdo, A Pérez-Calero / Perret, P / Perrin-Terrin, M / Pessina, G / Petrella, A / Petrolini, A / Pie Valls, B / Pietrzyk, B / Pilar, T / Pinci, D / Plackett, R / Playfer, S / Plo Casasus, M / Polok, G / Poluektov, A / Polycarpo, E / Popov, D / Popovici, B / Potterat, C / Powell, A / du Pree, T / Pugatch, V / Navarro, A Puig / Qian, W / Rademacker, J H / Rakotomiaramanana, B / Raniuk, I / Raven, G / Redford, S / Reid, M M / dos Reis, A C / Ricciardi, S / Rinnert, K / Roa Romero, D A / Robbe, P / Rodrigues, E / Rodrigues, F / Cobo, C Rodriguez / Perez, P Rodriguez / Rogers, G J / Romanovsky, V / Rouvinet, J / Ruf, T / Ruiz, H / Sabatino, G / Silva, J J Saborido / Sagidova, N / Sail, P / Saitta, B / Salzmann, C / Sannino, M / Santacesaria, R / Santinelli, R / Santovetti, E / Sapunov, M / Sarti, A / Satriano, C / Satta, A / Savrie, M / Savrina, D / Schaack, P / Schiller, M / Schleich, S / Schmelling, M / Schmidt, B / Schneider, O / Schopper, A / Schune, M-H / Schwemmer, R / Sciubba, A / Seco, M / Semennikov, A / Senderowska, K / Serra, N / Serrano, J / Seyfert, P / Shao, B / Shapkin, M / Shapoval, I / Shatalov, P / Shcheglov, Y / Shears, T / Shekhtman, L / Shevchenko, O / Shevchenko, V / Shires, A / Coutinho, R Silva / Skottowe, H P / Skwarnicki, T / Smith, A C / Smith, N A / Sobczak, K / Soler, F J P / Solomin, A / Soomro, F / Souza De Paula, B / Spaan, B / Sparkes, A / Spradlin, P / Stagni, F / Stahl, S / Steinkamp, O / Stoica, S / Stone, S / Storaci, B / Straumann, U / Styles, N / Swientek, S / Szczekowski, M / Szczypka, P / Szumlak, T / T'jampens, S / Teodorescu, E / Teubert, F / Thomas, C / Thomas, E / van Tilburg, J / Tisserand, V / Tobin, M / Topp-Joergensen, S / Tran, M T / Tsaregorodtsev, A / Tuning, N / Ukleja, A / Urquijo, P / Uwer, U / Vagnoni, V / Valenti, G / Gomez, R Vazquez / Regueiro, P Vazquez / Vecchi, S / Velthuis, J J / Veltri, M / Vervink, K / Viaud, B / Videau, I / Vilasis-Cardona, X / Visniakov, J / Vollhardt, A / Voong, D / Vorobyev, A / Voss, H / Wacker, K / Wandernoth, S / Wang, J / Ward, D R / Webber, A D / Websdale, D / Whitehead, M / Wiedner, D / Wiggers, L / Wilkinson, G / Williams, M P / Williams, M / Wilson, F F / Wishahi, J / Witek, M / Witzeling, W / Wotton, S A / Wyllie, K / Xie, Y / Xing, F / Yang, Z / Young, R / Yushchenko, O / Zavertyaev, M / Zhang, L / Zhang, W C / Zhang, Y / Zhelezov, A / Zhong, L / Zverev, E / Zvyagin, A

    Physical review letters

    2011  Volume 107, Issue 21, Page(s) 211801

    Abstract: The relative abundance of the three decay modes B(0)→D(-)K(+), B(0)→D(-)π(+), and B(s)(0)→D(s)(-)π(+) produced in 7 TeV pp collisions at the LHC is determined from data corresponding to an integrated luminosity of 35 pb(-1). The branching fraction of B(0) ...

    Abstract The relative abundance of the three decay modes B(0)→D(-)K(+), B(0)→D(-)π(+), and B(s)(0)→D(s)(-)π(+) produced in 7 TeV pp collisions at the LHC is determined from data corresponding to an integrated luminosity of 35 pb(-1). The branching fraction of B(0)→D(-)K(+) is found to be B(B(0)→D(-)K(+)) = (2.01 ± 0.18(stat) ± 0.14(syst)) × 10(-4). The ratio of fragmentation fractions f(s)/f(d) is determined through the relative abundance of B(s)(0)→D(s)(-)π(+) to B(0)→D(-)K(+) and B(0)→D(-)π(+), leading to f(s)/f(d) = 0.253 ± 0.017 ± 0.017 ± 0.020, where the uncertainties are statistical, systematic, and theoretical, respectively.
    Language English
    Publishing date 2011-11-18
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.107.211801
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  4. Book ; Online: Observation of $\eta_{c}(2S) \to p \bar p$ and search for $X(3872) \to p \bar p$ decays

    LHCb collaboration / Aaij, R. / Adeva, B. / Adinolfi, M. / Ajaltouni, Z. / Akar, S. / Albrecht, J. / Alessio, F. / Alexander, M. / Ali, S. / Alkhazov, G. / Cartelle, P. Alvarez / Alves Jr, A. A. / Amato, S. / Amerio, S. / Amhis, Y. / An, L. / Anderlini, L. / Andreassi, G. /
    Andreotti, M. / Andrews, J. E. / Appleby, R. B. / Gutierrez, O. Aquines / Archilli, F. / d'Argent, P. / Romeu, J. Arnau / Artamonov, A. / Artuso, M. / Aslanides, E. / Auriemma, G. / Baalouch, M. / Babuschkin, I. / Bachmann, S. / Back, J. J. / Badalov, A. / Baesso, C. / Baldini, W. / Barlow, R. J. / Barschel, C. / Barsuk, S. / Barter, W. / Batozskaya, V. / Batsukh, B. / Battista, V. / Bay, A. / Beaucourt, L. / Beddow, J. / Bedeschi, F. / Bediaga, I. / Bel, L. J. / Bellee, V. / Belloli, N. / Belous, K. / Belyaev, I. / Ben-Haim, E. / Bencivenni, G. / Benson, S. / Benton, J. / Berezhnoy, A. / Bernet, R. / Bertolin, A. / Betti, F. / Bettler, M. -O. / van Beuzekom, M. / Bifani, S. / Billoir, P. / Bird, T. / Birnkraut, A. / Bitadze, A. / Bizzeti, A. / Blake, T. / Blanc, F. / Blouw, J. / Blusk, S. / Bocci, V. / Boettcher, T. / Bondar, A. / Bondar, N. / Bonivento, W. / Borgheresi, A. / Borghi, S. / Borisyak, M. / Borsato, M. / Bossu, F. / Boubdir, M. / Bowcock, T. J. V. / Bowen, E. / Bozzi, C. / Braun, S. / Britsch, M. / Britton, T. / Brodzicka, J. / Buchanan, E. / Burr, C. / Bursche, A. / Buytaert, J. / Cadeddu, S. / Calabrese, R. / Calvi, M. / Gomez, M. Calvo / Campana, P. / Perez, D. Campora / Capriotti, L. / Carbone, A. / Carboni, G. / Cardinale, R. / Cardini, A. / Carniti, P. / Carson, L. / Akiba, K. Carvalho / Casse, G. / Cassina, L. / Garcia, L. Castillo / Cattaneo, M. / Cauet, Ch. / Cavallero, G. / Cenci, R. / Charles, M. / Charpentier, Ph. / Chatzikonstantinidis, G. / Chefdeville, M. / Chen, S. / Cheung, S. -F. / Chobanova, V. / Chrzaszcz, M. / Vidal, X. Cid / Ciezarek, G. / Clarke, P. E. L. / Clemencic, M. / Cliff, H. V. / Closier, J. / Coco, V. / Cogan, J. / Cogneras, E. / Cogoni, V. / Cojocariu, L. / Collazuol, G. / Collins, P. / Comerma-Montells, A. / Contu, A. / Cook, A. / Coquereau, S. / Corti, G. / Corvo, M. / Sobral, C. M. Costa / Couturier, B. / Cowan, G. A. / Craik, D. C. / Crocombe, A. / Torres, M. 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    2016  

    Abstract: The first observation of the decay $\eta_{c}(2S) \to p \bar p$ is reported using proton-proton collision data corresponding to an integrated luminosity of $3.0\rm \, fb^{-1}$ recorded by the LHCb experiment at centre-of-mass energies of 7 and 8 TeV. The $ ...

    Abstract The first observation of the decay $\eta_{c}(2S) \to p \bar p$ is reported using proton-proton collision data corresponding to an integrated luminosity of $3.0\rm \, fb^{-1}$ recorded by the LHCb experiment at centre-of-mass energies of 7 and 8 TeV. The $\eta_{c}(2S)$ resonance is produced in the decay $B^{+} \to [c\bar c] K^{+}$. The product of branching fractions normalised to that for the $J/\psi$ intermediate state, ${\cal R}_{\eta_{c}(2S)}$, is measured to be \begin{align*} {\cal R}_{\eta_{c}(2S)}\equiv\frac{{\mathcal B}(B^{+} \to \eta_{c}(2S) K^{+}) \times {\mathcal B}(\eta_{c}(2S) \to p \bar p)}{{\mathcal B}(B^{+} \to J/\psi K^{+}) \times {\mathcal B}(J/\psi\to p \bar p)} =~& (1.58 \pm 0.33 \pm 0.09)\times 10^{-2}, \end{align*} where the first uncertainty is statistical and the second systematic. No signals for the decays $B^{+} \to X(3872) (\to p \bar p) K^{+}$ and $B^{+} \to \psi(3770) (\to p \bar p) K^{+}$ are seen, and the 95\% confidence level upper limits on their relative branching ratios are % found to be ${\cal R}_{X(3872)}<0.25\times10^{-2}$ and ${\cal R}_{\psi(3770))}<0.10$. In addition, the mass differences between the $\eta_{c}(1S)$ and the $J/\psi$ states, between the $\eta_{c}(2S)$ and the $\psi(2S)$ states, and the natural width of the $\eta_{c}(1S)$ are measured as \begin{align*} M_{J/\psi} - M_{\eta_{c}(1S)} =~& 110.2 \pm 0.5 \pm 0.9 \rm \, MeV, M_{\psi(2S)} -M_{\eta_{c}(2S)} =~ & 52.5 \pm 1.7 \pm 0.6 \rm \, MeV, \Gamma_{\eta_{c}(1S)} =~& 34.0 \pm 1.9 \pm 1.3 \rm \, MeV. \end{align*}

    Comment: 16 pages, 2 figures All figures and tables, along with any supplementary material and additional information, are available at https://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2016-016.html
    Keywords High Energy Physics - Experiment
    Subject code 612
    Publishing date 2016-07-21
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  5. Book ; Online: Observation of the $B_s^0 \rightarrow J/\psi \phi \phi$ decay

    LHCb collaboration / Aaij, R. / Adeva, B. / Adinolfi, M. / Affolder, A. / Ajaltouni, Z. / Akar, S. / Albrecht, J. / Alessio, F. / Alexander, M. / Ali, S. / Alkhazov, G. / Cartelle, P. Alvarez / Alves Jr, A. A. / Amato, S. / Amerio, S. / Amhis, Y. / An, L. / Anderlini, L. /
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H. / Bursche, A. / Buytaert, J. / Cadeddu, S. / Calabrese, R. / Calvi, M. / Gomez, M. Calvo / Campana, P. / Perez, D. Campora / Capriotti, L. / Carbone, A. / Carboni, G. / Cardinale, R. / Cardini, A. / Carniti, P. / Carson, L. / Akiba, K. Carvalho / Casse, G. / Cassina, L. / Garcia, L. Castillo / Cattaneo, M. / Cauet, Ch. / Cavallero, G. / Cenci, R. / Charles, M. / Charpentier, Ph. / Chefdeville, M. / Chen, S. / Cheung, S. -F. / Chiapolini, N. / Chrzaszcz, M. / Vidal, X. Cid / Ciezarek, G. / Clarke, P. E. L. / Clemencic, M. / Cliff, H. V. / Closier, J. / Coco, V. / Cogan, J. / Cogneras, E. / Cogoni, V. / Cojocariu, L. / Collazuol, G. / Collins, P. / Comerma-Montells, A. / Contu, A. / Cook, A. / Coombes, M. / Coquereau, S. / Corti, G. / Corvo, M. / Couturier, B. / Cowan, G. A. / Craik, D. C. / Crocombe, A. / Torres, M. Cruz / Cunliffe, S. / Currie, R. / D'Ambrosio, C. / Dall'Occo, E. / Dalseno, J. / David, P. N. 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Granado / Graugés, E. / Graverini, E. / Graziani, G. / Grecu, A. / Greening, E. / Gregson, S. / Griffith, P. / Grillo, L. / Grünberg, O. / Gui, B. / Gushchin, E. / Guz, Yu. / Gys, T. / Hadavizadeh, T. / Hadjivasiliou, C. / Haefeli, G. / Haen, C. / Haines, S. C. / Hall, S. / Hamilton, B. / Han, X. / Hansmann-Menzemer, S. / Harnew, N. / Harnew, S. T. / Harrison, J. / He, J. / Head, T. / Heijne, V. / Hennessy, K. / Henrard, P. / Henry, L. / Morata, J. A. Hernando / van Herwijnen, E. / Heß, M. / Hicheur, A. / Hill, D. / Hoballah, M. / Hombach, C. / Hulsbergen, W. / Humair, T. / Hussain, N. / Hutchcroft, D. / Hynds, D. / Idzik, M. / Ilten, P. / Jacobsson, R. / Jaeger, A. / Jalocha, J. / Jans, E. / Jawahery, A. / Jing, F. / John, M. / Johnson, D. / Jones, C. R. / Joram, C. / Jost, B. / Jurik, N. / Kandybei, S. / Kanso, W. / Karacson, M. / Karbach, T. M. / Karodia, S. / Kelsey, M. / Kenyon, I. R. / Kenzie, M. / Ketel, T. / Khanji, B. / Khurewathanakul, C. / Klaver, S. / Klimaszewski, K. / Kochebina, O. / Kolpin, M. / Komarov, I. / Koopman, R. F. / Koppenburg, P. / Kozeiha, M. / Kravchuk, L. / Kreplin, K. / Kreps, M. / Krocker, G. / Krokovny, P. / Kruse, F. / Krzemien, W. / Kucewicz, W. / Kucharczyk, M. / Kudryavtsev, V. / Kuonen, A. K. / Kurek, K. / Kvaratskheliya, T. / Lacarrere, D. / Lafferty, G. / Lai, A. / Lambert, D. / Lanfranchi, G. / Langenbruch, C. / Langhans, B. / Latham, T. / Lazzeroni, C. / Gac, R. Le / van Leerdam, J. / Lees, J. -P. / Lefèvre, R. / Leflat, A. / Lefrançois, J. / Cid, E. Lemos / Leroy, O. / Lesiak, T. / Leverington, B. / Li, Y. / Likhomanenko, T. / Liles, M. / Lindner, R. / Linn, C. / Lionetto, F. / Liu, B. / Liu, X. / Loh, D. / Longstaff, I. / Lopes, J. H. / Lucchesi, D. / Martinez, M. Lucio / Luo, H. / Lupato, A. / Luppi, E. / Lupton, O. / Lusardi, N. / Machefert, F. / Maciuc, F. / Maev, O. / Maguire, K. / Malde, S. / Malinin, A. / Manca, G. / Mancinelli, G. / Manning, P. / Mapelli, A. / Maratas, J. / Marchand, J. F. / Marconi, U. / Benito, C. Marin / Marino, P. / Marks, J. / Martellotti, G. / Martin, M. / Martinelli, M. / Santos, D. Martinez / Vidal, F. Martinez / Tostes, D. Martins / Massafferri, A. / Matev, R. / Mathad, A. / Mathe, Z. / Matteuzzi, C. / Matthieu, K. / Mauri, A. / Maurin, B. / Mazurov, A. / McCann, M. / McCarthy, J. / McNab, A. / McNulty, R. / Meadows, B. / Meier, F. / Meissner, M. / Melnychuk, D. / Merk, M. / Milanes, D. A. / Minard, M. -N. / Mitzel, D. S. / Rodriguez, J. Molina / Monroy, I. A. / Monteil, S. / Morandin, M. / Morawski, P. / Mordà, A. / Morello, M. J. / Moron, J. / Morris, A. 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Picatoste / Pietrzyk, B. / Pilař, T. / Pinci, D. / Pistone, A. / Piucci, A. / Playfer, S. / Casasus, M. Plo / Poikela, T. / Polci, F. / Poluektov, A. / Polyakov, I. / Polycarpo, E. / Popov, A. / Popov, D. / Popovici, B. / Potterat, C. / Price, E. / Price, J. D. / Prisciandaro, J. / Pritchard, A. / Prouve, C. / Pugatch, V. / Navarro, A. Puig / Punzi, G. / Qian, W. / Quagliani, R. / Rachwal, B. / Rademacker, J. H. / Rama, M. / Rangel, M. S. / Raniuk, I. / Rauschmayr, N. / Raven, G. / Redi, F. / Reichert, S. / Reid, M. M. / Reis, A. C. dos / Ricciardi, S. / Richards, S. / Rihl, M. / Rinnert, K. / Molina, V. Rives / Robbe, P. / Rodrigues, A. B. / Rodrigues, E. / Lopez, J. A. Rodriguez / Perez, P. Rodriguez / Roiser, S. / Romanovsky, V. / Vidal, A. Romero / Ronayne, J. W. / Rotondo, M. / Rouvinet, J. / Ruf, T. / Valls, P. Ruiz / Silva, J. J. Saborido / Sagidova, N. / Sail, P. / Saitta, B. / Guimaraes, V. Salustino / Mayordomo, C. Sanchez / Sedes, B. Sanmartin / Santacesaria, R. / Rios, C. 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    2016  

    Abstract: The $B_s^0 \rightarrow J/\psi \phi \phi$ decay is observed in $pp$ collision data corresponding to an integrated luminosity of 3 fb$^{-1}$ recorded by the LHCb detector at centre-of-mass energies of 7 TeV and 8 TeV. This is the first observation of this ... ...

    Abstract The $B_s^0 \rightarrow J/\psi \phi \phi$ decay is observed in $pp$ collision data corresponding to an integrated luminosity of 3 fb$^{-1}$ recorded by the LHCb detector at centre-of-mass energies of 7 TeV and 8 TeV. This is the first observation of this decay channel, with a statistical significance of 15 standard deviations. The mass of the $B_s^0$ meson is measured to be $5367.08\,\pm \,0.38\,\pm\, 0.15$ MeV/c$^2$. The branching fraction ratio $\mathcal{B}(B_s^0 \rightarrow J/\psi \phi \phi)/\mathcal{B}(B_s^0 \rightarrow J/\psi \phi)$ is measured to be $0.0115\,\pm\, 0.0012\, ^{+0.0005}_{-0.0009}$. In both cases, the first uncertainty is statistical and the second is systematic. No evidence for non-resonant $B_s^0 \rightarrow J/\psi \phi K^+ K^-$ or $B_s^0 \rightarrow J/\psi K^+ K^- K^+ K^-$ decays is found.

    Comment: All figures and tables, along with any supplementary material and additional information, are available at https://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2015-033.html
    Keywords High Energy Physics - Experiment
    Subject code 612
    Publishing date 2016-01-20
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  6. Book ; Online: Search for the $\Lambda_b \rightarrow \Lambda \eta^\prime$ and $\Lambda_b \rightarrow \Lambda \eta$ decays with the LHCb detector

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B. / Mountain, R. / Muheim, F. / Müller, J. / Müller, K. / Müller, V. / Mussini, M. / Muster, B. / Naik, P. / Nakada, T. / Nandakumar, R. / Nasteva, I. / Needham, M. / Neri, N. / Neubert, S. / Neufeld, N. / Neuner, M. / Nguyen, A. D. / Nguyen, T. D. / Nguyen-Mau, C. / Niess, V. / Niet, R. / Nikitin, N. / Nikodem, T. / Ninci, D. / Novoselov, A. / O'Hanlon, D. P. / Oblakowska-Mucha, A. / Obraztsov, V. / Ogilvy, S. / Okhrimenko, O. / Oldeman, R. / Onderwater, C. J. G. / Rodrigues, B. Osorio / Goicochea, J. M. Otalora / Otto, A. / Owen, P. / Oyanguren, A. / Palano, A. / Palombo, F. / Palutan, M. / Panman, J. / Papanestis, A. / Pappagallo, M. / Pappalardo, L. L. / Parkes, C. / Passaleva, G. / Patel, G. D. / Patel, M. / Patrignani, C. / Pearce, A. / Pellegrino, A. / Penso, G. / Altarelli, M. Pepe / Perazzini, S. / Perret, P. / Pescatore, L. / Petridis, K. / Petrolini, A. / Petruzzo, M. / Olloqui, E. Picatoste / Pietrzyk, B. / Pilař, T. / Pinci, D. / Pistone, A. / Piucci, A. / Playfer, S. / Casasus, M. Plo / Poikela, T. / Polci, F. / Poluektov, A. / Polyakov, I. / Polycarpo, E. / Popov, A. / Popov, D. / Popovici, B. / Potterat, C. / Price, E. / Price, J. D. / Prisciandaro, J. / Pritchard, A. / Prouve, C. / Pugatch, V. / Navarro, A. Puig / Punzi, G. / Qian, W. / Quagliani, R. / Rachwal, B. / Rademacker, J. H. / Rakotomiaramanana, B. / Rama, M. / Rangel, M. S. / Raniuk, I. / Rauschmayr, N. / Raven, G. / Redi, F. / Reichert, S. / Reid, M. M. / Reis, A. C. dos / Ricciardi, S. / Richards, S. / Rihl, M. / Rinnert, K. / Molina, V. Rives / Robbe, P. / Rodrigues, A. B. / Rodrigues, E. / Lopez, J. A. Rodriguez / Perez, P. Rodriguez / Roiser, S. / Romanovsky, V. / Vidal, A. Romero / Rotondo, M. / Rouvinet, J. / Ruf, T. / Ruiz, H. / Valls, P. Ruiz / Silva, J. J. Saborido / Sagidova, N. / Sail, P. / Saitta, B. / Guimaraes, V. Salustino / Mayordomo, C. Sanchez / Sedes, B. Sanmartin / Santacesaria, R. / Rios, C. Santamarina / Santimaria, M. / Santovetti, E. / Sarti, A. / Satriano, C. / Satta, A. / Saunders, D. M. / Savrina, D. / Schiller, M. / Schindler, H. / Schlupp, M. / Schmelling, M. / Schmelzer, T. / Schmidt, B. / Schneider, O. / Schopper, A. / Schubiger, M. / Schune, M. -H. / Schwemmer, R. / Sciascia, B. / Sciubba, A. / Semennikov, A. / Sepp, I. / Serra, N. / Serrano, J. / Sestini, L. / Seyfert, P. / Shapkin, M. / Shapoval, I. / Shcheglov, Y. / Shears, T. / Shekhtman, L. / Shevchenko, V. / Shires, A. / Coutinho, R. Silva / Simi, G. / Sirendi, M. / Skidmore, N. / Skillicorn, I. / Skwarnicki, T. / Smith, E. / Smith, I. T. / Smith, J. / Smith, M. / Snoek, H. / Sokoloff, M. D. / Soler, F. J. P. / Soomro, F. / Souza, D. / De Paula, B. Souza / Spaan, B. / Spradlin, P. / Sridharan, S. / Stagni, F. / Stahl, M. / Stahl, S. / Steinkamp, O. / Stenyakin, O. / Sterpka, F. / Stevenson, S. / Stoica, S. / Stone, S. / Storaci, B. / Stracka, S. / Straticiuc, M. / Straumann, U. / Sun, L. / Sutcliffe, W. / Swientek, K. / Swientek, S. / Syropoulos, V. / Szczekowski, M. / Szczypka, P. / Szumlak, T. / T'Jampens, S. / Tekampe, T. / Teklishyn, M. / Tellarini, G. / Teubert, F. / Thomas, C. / Thomas, E. / van Tilburg, J. / Tisserand, V. / Tobin, M. / Todd, J. / Tolk, S. / Tomassetti, L. / Tonelli, D. / Topp-Joergensen, S. / Torr, N. / Tournefier, E. / Tourneur, S. / Trabelsi, K. / Tran, M. T. / Tresch, M. / Trisovic, A. / Tsaregorodtsev, A. / Tsopelas, P. / Tuning, N. / Ukleja, A. / Ustyuzhanin, A. / Uwer, U. / Vacca, C. / Vagnoni, V. / Valenti, G. / Vallier, A. / Gomez, R. Vazquez / Regueiro, P. Vazquez / Sierra, C. Vázquez / Vecchi, S. / Velthuis, J. J. / Veltri, M. / Veneziano, G. / Vesterinen, M. / Viaud, B. / Vieira, D. / Diaz, M. Vieites / Vilasis-Cardona, X. / Vollhardt, A. / Volyanskyy, D. / Voong, D. / Vorobyev, A. / Vorobyev, V. / Voß, C. / de Vries, J. A. / Waldi, R. / Wallace, C. / Wallace, R. / Walsh, J. / Wandernoth, S. / Wang, J. / Ward, D. R. / Watson, N. K. / Websdale, D. / Weiden, A. / Whitehead, M. / Wiedner, D. / Wilkinson, G. / Wilkinson, M. / Williams, M. / Williams, M. P. / Williams, T. / Wilson, F. F. / Wimberley, J. / Wishahi, J. / Wislicki, W. / Witek, M. / Wormser, G. / Wotton, S. A. / Wright, S. / Wyllie, K. / Xie, Y. / Xu, Z. / Yang, Z. / Yu, J. / Yuan, X. / Yushchenko, O. / Zangoli, M. / Zavertyaev, M. / Zhang, L. / Zhang, Y. / Zhelezov, A. / Zhokhov, A. / Zhong, L.

    2015  

    Abstract: A search is performed for the as yet unobserved baryonic $\Lambda_b \rightarrow \Lambda \eta^\prime$ and $\Lambda_b \rightarrow \Lambda \eta$ decays with 3$fb^{-1}$ of proton-proton collision data recorded by the LHCb experiment. The $B^0 \rightarrow K_S^ ...

    Abstract A search is performed for the as yet unobserved baryonic $\Lambda_b \rightarrow \Lambda \eta^\prime$ and $\Lambda_b \rightarrow \Lambda \eta$ decays with 3$fb^{-1}$ of proton-proton collision data recorded by the LHCb experiment. The $B^0 \rightarrow K_S^0 \eta^\prime$ decay is used as a normalisation channel. No significant signal is observed for the $\Lambda_b \rightarrow \Lambda \eta^\prime$ decay. An upper limit is found on the branching fraction of $\mathcal{B}(\Lambda_b \rightarrow \Lambda \eta^\prime)<3.1\times10^{-6}$} at 90\% confidence level. Evidence is seen for the presence of the $\Lambda_b \rightarrow \Lambda \eta$ decay at the level of $3\sigma$ significance, with a branching fraction $\mathcal{B}(\Lambda_b \rightarrow \Lambda \eta)=(9.3^{+7.3}_{-5.3})\times10^{-6}$}.

    Comment: 22 pages, 6 figures. v2 is published version (very minor revisions)
    Keywords High Energy Physics - Experiment
    Subject code 551
    Publishing date 2015-05-13
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  7. Book ; Online: Search for the rare decays $B^{0}\to J/\psi \gamma$ and $B^{0}_{s} \to J/\psi \gamma$

    LHCb collaboration / Aaij, R. / Beteta, C. Abellán / Adeva, B. / Adinolfi, M. / Affolder, A. / Ajaltouni, Z. / Akar, S. / Albrecht, J. / Alessio, F. / Alexander, M. / Ali, S. / Alkhazov, G. / Cartelle, P. Alvarez / Alves Jr, A. A. / Amato, S. / Amerio, S. / Amhis, Y. / An, L. /
    Anderlini, L. / Anderson, J. / Andreassi, G. / Andreotti, M. / Andrews, J. E. / Appleby, R. B. / Gutierrez, O. Aquines / Archilli, F. / d'Argent, P. / Artamonov, A. / Artuso, M. / Aslanides, E. / Auriemma, G. / Baalouch, M. / Bachmann, S. / Back, J. J. / Badalov, A. / Baesso, C. / Baldini, W. / Barlow, R. J. / Barschel, C. / Barsuk, S. / Barter, W. / Batozskaya, V. / Battista, V. / Bay, A. / Beaucourt, L. / Beddow, J. / Bedeschi, F. / Bediaga, I. / Bel, L. J. / Bellee, V. / Belloli, N. / Belyaev, I. / Ben-Haim, E. / Bencivenni, G. / Benson, S. / Benton, J. / Berezhnoy, A. / Bernet, R. / Bertolin, A. / Bettler, M. -O. / van Beuzekom, M. / Bien, A. / Bifani, S. / Billoir, P. / Bird, T. / Birnkraut, A. / Bizzeti, A. / Blake, T. / Blanc, F. / Blouw, J. / Blusk, S. / Bocci, V. / Bondar, A. / Bondar, N. / Bonivento, W. / Borghi, S. / Borsato, M. / Bowcock, T. J. V. / Bowen, E. / Bozzi, C. / Braun, S. / Britsch, M. / Britton, T. / Brodzicka, J. / Brook, N. H. / Buchanan, E. / Burr, C. / Bursche, A. / Buytaert, J. / Cadeddu, S. / Calabrese, R. / Calvi, M. / Gomez, M. Calvo / Campana, P. / Perez, D. Campora / Capriotti, L. / Carbone, A. / Carboni, G. / Cardinale, R. / Cardini, A. / Carniti, P. / Carson, L. / Akiba, K. Carvalho / Casse, G. / Cassina, L. / Garcia, L. Castillo / Cattaneo, M. / Cauet, Ch. / Cavallero, G. / Cenci, R. / Charles, M. / Charpentier, Ph. / Chefdeville, M. / Chen, S. / Cheung, S. -F. / Chiapolini, N. / Chrzaszcz, M. / Vidal, X. Cid / Ciezarek, G. / Clarke, P. E. L. / Clemencic, M. / Cliff, H. V. / Closier, J. / Coco, V. / Cogan, J. / Cogneras, E. / Cogoni, V. / Cojocariu, L. / Collazuol, G. / Collins, P. / Comerma-Montells, A. / Contu, A. / Cook, A. / Coombes, M. / Coquereau, S. / Corti, G. / Corvo, M. / Couturier, B. / Cowan, G. A. / Craik, D. C. / Crocombe, A. / Torres, M. Cruz / Cunliffe, S. / Currie, R. / D'Ambrosio, C. / Dall'Occo, E. / Dalseno, J. / David, P. N. Y. / Davis, A. / Francisco, O. De Aguiar / De Bruyn, K. / De Capua, S. / De Cian, M. / De Miranda, J. M. / De Paula, L. / De Simone, P. / Dean, C. -T. / Decamp, D. / Deckenhoff, M. / Del Buono, L. / Déléage, N. / Demmer, M. / Derkach, D. / Deschamps, O. / Dettori, F. / Dey, B. / Di Canto, A. / Di Ruscio, F. / Dijkstra, H. / Donleavy, S. / Dordei, F. / Dorigo, M. / Suárez, A. Dosil / Dossett, D. / Dovbnya, A. / Dreimanis, K. / Dufour, L. / Dujany, G. / Dupertuis, F. / Durante, P. / Dzhelyadin, R. / Dziurda, A. / Dzyuba, A. / Easo, S. / Egede, U. / Egorychev, V. / Eidelman, S. / Eisenhardt, S. / Eitschberger, U. / Ekelhof, R. / Eklund, L. / Rifai, I. El / Elsasser, Ch. / Ely, S. / Esen, S. / Evans, H. M. / Evans, T. / Falabella, A. / Färber, C. / Farley, N. / Farry, S. / Fay, R. / Ferguson, D. / Albor, V. Fernandez / Ferrari, F. / Rodrigues, F. Ferreira / Ferro-Luzzi, M. / Filippov, S. / Fiore, M. / Fiorini, M. / Firlej, M. / Fitzpatrick, C. / Fiutowski, T. / Fohl, K. / Fol, P. / Fontana, M. / Fontanelli, F. / Forshaw, D. C. / Forty, R. / Frank, M. / Frei, C. / Frosini, M. / Fu, J. / Furfaro, E. / Torreira, A. Gallas / Galli, D. / Gallorini, S. / Gambetta, S. / Gandelman, M. / Gandini, P. / Gao, Y. / Pardiñas, J. García / Tico, J. Garra / Garrido, L. / Gascon, D. / Gaspar, C. / Gauld, R. / Gavardi, L. / Gazzoni, G. / Gerick, D. / Gersabeck, E. / Gersabeck, M. / Gershon, T. / Ghez, Ph. / Gianì, S. / Gibson, V. / Girard, O. G. / Giubega, L. / Gligorov, V. V. / Göbel, C. / Golubkov, D. / Golutvin, A. / Gomes, A. / Gotti, C. / Gándara, M. Grabalosa / Diaz, R. Graciani / Cardoso, L. A. Granado / Graugés, E. / Graverini, E. / Graziani, G. / Grecu, A. / Greening, E. / Gregson, S. / Griffith, P. / Grillo, L. / Grünberg, O. / Gui, B. / Gushchin, E. / Guz, Yu. / Gys, T. / Hadavizadeh, T. / Hadjivasiliou, C. / Haefeli, G. / Haen, C. / Haines, S. C. / Hall, S. / Hamilton, B. / Han, X. / Hansmann-Menzemer, S. / Harnew, N. / Harnew, S. T. / Harrison, J. / He, J. / Head, T. / Heijne, V. / Hennessy, K. / Henrard, P. / Henry, L. / van Herwijnen, E. / Heß, M. / Hicheur, A. / Hill, D. / Hoballah, M. / Hombach, C. / Hulsbergen, W. / Humair, T. / Hussain, N. / Hutchcroft, D. / Hynds, D. / Idzik, M. / Ilten, P. / Jacobsson, R. / Jaeger, A. / Jalocha, J. / Jans, E. / Jawahery, A. / Jing, F. / John, M. / Johnson, D. / Jones, C. R. / Joram, C. / Jost, B. / Jurik, N. / Kandybei, S. / Kanso, W. / Karacson, M. / Karbach, T. M. / Karodia, S. / Kecke, M. / Kelsey, M. / Kenyon, I. R. / Kenzie, M. / Ketel, T. / Khairullin, E. / Khanji, B. / Khurewathanakul, C. / Klaver, S. / Klimaszewski, K. / Kochebina, O. / Kolpin, M. / Komarov, I. / Koopman, R. F. / Koppenburg, P. / Kozeiha, M. / Kravchuk, L. / Kreplin, K. / Kreps, M. / Krocker, G. / Krokovny, P. / Kruse, F. / Krzemien, W. / Kucewicz, W. / Kucharczyk, M. / Kudryavtsev, V. / Kuonen, A. K. / Kurek, K. / Kvaratskheliya, T. / Lacarrere, D. / Lafferty, G. / Lai, A. / Lambert, D. / Lanfranchi, G. / Langenbruch, C. / Langhans, B. / Latham, T. / Lazzeroni, C. / Gac, R. Le / van Leerdam, J. / Lees, J. -P. / Lefèvre, R. / Leflat, A. / Lefrançois, J. / Cid, E. Lemos / Leroy, O. / Lesiak, T. / Leverington, B. / Li, Y. / Likhomanenko, T. / Liles, M. / Lindner, R. / Linn, C. / Lionetto, F. / Liu, B. / Liu, X. / Loh, D. / Longstaff, I. / Lopes, J. H. / Lucchesi, D. / Martinez, M. Lucio / Luo, H. / Lupato, A. / Luppi, E. / Lupton, O. / Lusiani, A. / Machefert, F. / Maciuc, F. / Maev, O. / Maguire, K. / Malde, S. / Malinin, A. / Manca, G. / Mancinelli, G. / Manning, P. / Mapelli, A. / Maratas, J. / Marchand, J. F. / Marconi, U. / Benito, C. Marin / Marino, P. / Marks, J. / Martellotti, G. / Martin, M. / Martinelli, M. / Santos, D. Martinez / Vidal, F. Martinez / Tostes, D. Martins / Massafferri, A. / Matev, R. / Mathad, A. / Mathe, Z. / Matteuzzi, C. / Mauri, A. / Maurin, B. / Mazurov, A. / McCann, M. / McCarthy, J. / McNab, A. / McNulty, R. / Meadows, B. / Meier, F. / Meissner, M. / Melnychuk, D. / Merk, M. / Michielin, E / Milanes, D. A. / Minard, M. -N. / Mitzel, D. S. / Rodriguez, J. Molina / Monroy, I. A. / Monteil, S. / Morandin, M. / Morawski, P. / Mordà, A. / Morello, M. J. / Moron, J. / Morris, A. B. / Mountain, R. / Muheim, F. / Müller, D. / Müller, J. / Müller, K. / Müller, V. / Mussini, M. / Muster, B. / Naik, P. / Nakada, T. / Nandakumar, R. / Nandi, A. / Nasteva, I. / Needham, M. / Neri, N. / Neubert, S. / Neufeld, N. / Neuner, M. / Nguyen, A. D. / Nguyen, T. D. / Nguyen-Mau, C. / Niess, V. / Niet, R. / Nikitin, N. / Nikodem, T. / Novoselov, A. / O'Hanlon, D. P. / Oblakowska-Mucha, A. / Obraztsov, V. / Ogilvy, S. / Okhrimenko, O. / Oldeman, R. / Onderwater, C. J. G. / Rodrigues, B. Osorio / Goicochea, J. M. Otalora / Otto, A. / Owen, P. / Oyanguren, A. / Palano, A. / Palombo, F. / Palutan, M. / Panman, J. / Papanestis, A. / Pappagallo, M. / Pappalardo, L. L. / Pappenheimer, C. / Parker, W. / Parkes, C. / Passaleva, G. / Patel, G. D. / Patel, M. / Patrignani, C. / Pearce, A. / Pellegrino, A. / Penso, G. / Altarelli, M. Pepe / Perazzini, S. / Perret, P. / Pescatore, L. / Petridis, K. / Petrolini, A. / Petruzzo, M. / Olloqui, E. Picatoste / Pietrzyk, B. / Pilař, T. / Pinci, D. / Pistone, A. / Piucci, A. / Playfer, S. / Casasus, M. Plo / Poikela, T. / Polci, F. / Poluektov, A. / Polyakov, I. / Polycarpo, E. / Popov, A. / Popov, D. / Popovici, B. / Potterat, C. / Price, E. / Price, J. D. / Prisciandaro, J. / Pritchard, A. / Prouve, C. / Pugatch, V. / Navarro, A. Puig / Punzi, G. / Qian, W. / Quagliani, R. / Rachwal, B. / Rademacker, J. H. / Rama, M. / Rangel, M. S. / Raniuk, I. / Rauschmayr, N. / Raven, G. / Redi, F. / Reichert, S. / Reid, M. M. / Reis, A. C. dos / Ricciardi, S. / Richards, S. / Rihl, M. / Rinnert, K. / Molina, V. Rives / Robbe, P. / Rodrigues, A. B. / Rodrigues, E. / Lopez, J. A. Rodriguez / Perez, P. Rodriguez / Roiser, S. / Romanovsky, V. / Vidal, A. Romero / Ronayne, J. W. / Rotondo, M. / Rouvinet, J. / Ruf, T. / Valls, P. Ruiz / Silva, J. J. Saborido / Sagidova, N. / Sail, P. / Saitta, B. / Guimaraes, V. Salustino / Mayordomo, C. Sanchez / Sedes, B. Sanmartin / Santacesaria, R. / Rios, C. Santamarina / Santimaria, M. / Santovetti, E. / Sarti, A. / Satriano, C. / Satta, A. / Saunders, D. M. / Savrina, D. / Schiller, M. / Schindler, H. / Schlupp, M. / Schmelling, M. / Schmelzer, T. / Schmidt, B. / Schneider, O. / Schopper, A. / Schubiger, M. / Schune, M. -H. / Schwemmer, R. / Sciascia, B. / Sciubba, A. / Semennikov, A. / Serra, N. / Serrano, J. / Sestini, L. / Seyfert, P. / Shapkin, M. / Shapoval, I. / Shcheglov, Y. / Shears, T. / Shekhtman, L. / Shevchenko, V. / Shires, A. / Siddi, B. G. / Coutinho, R. Silva / de Oliveira, L. Silva / Simi, G. / Sirendi, M. / Skidmore, N. / Skwarnicki, T. / Smith, E. / Smith, I. T. / Smith, J. / Smith, M. / Snoek, H. / Sokoloff, M. D. / Soler, F. J. P. / Soomro, F. / Souza, D. / De Paula, B. Souza / Spaan, B. / Spradlin, P. / Sridharan, S. / Stagni, F. / Stahl, M. / Stahl, S. / Stefkova, S. / Steinkamp, O. / Stenyakin, O. / Stevenson, S. / Stoica, S. / Stone, S. / Storaci, B. / Stracka, S. / Straticiuc, M. / Straumann, U. / Sun, L. / Sutcliffe, W. / Swientek, K. / Swientek, S. / Syropoulos, V. / Szczekowski, M. / Szumlak, T. / T'Jampens, S. / Tayduganov, A. / Tekampe, T. / Teklishyn, M. / Tellarini, G. / Teubert, F. / Thomas, C. / Thomas, E. / van Tilburg, J. / Tisserand, V. / Tobin, M. / Todd, J. / Tolk, S. / Tomassetti, L. / Tonelli, D. / Topp-Joergensen, S. / Torr, N. / Tournefier, E. / Tourneur, S. / Trabelsi, K. / Tran, M. T. / Tresch, M. / Trisovic, A. / Tsaregorodtsev, A. / Tsopelas, P. / Tuning, N. / Ukleja, A. / Ustyuzhanin, A. / Uwer, U. / Vacca, C. / Vagnoni, V. / Valenti, G. / Vallier, A. / Gomez, R. Vazquez / Regueiro, P. Vazquez / Sierra, C. Vázquez / Vecchi, S. / Velthuis, J. J. / Veltri, M. / Veneziano, G. / Vesterinen, M. / Viaud, B. / Vieira, D. / Diaz, M. Vieites / Vilasis-Cardona, X. / Volkov, V. / Vollhardt, A. / Volyanskyy, D. / Voong, D. / Vorobyev, A. / Vorobyev, V. / Voß, C. / de Vries, J. A. / Waldi, R. / Wallace, C. / Wallace, R. / Walsh, J. / Wandernoth, S. / Wang, J. / Ward, D. R. / Watson, N. K. / Websdale, D. / Weiden, A. / Whitehead, M. / Wilkinson, G. / Wilkinson, M. / Williams, M. / Williams, M. P. / Williams, T. / Wilson, F. F. / Wimberley, J. / Wishahi, J. / Wislicki, W. / Witek, M. / Wormser, G. / Wotton, S. A. / Wright, S. / Wyllie, K. / Xie, Y. / Xu, Z. / Yang, Z. / Yu, J. / Yuan, X. / Yushchenko, O. / Zangoli, M. / Zavertyaev, M. / Zhang, L. / Zhang, Y. / Zhelezov, A. / Zhokhov, A. / Zhong, L. / Zucchelli, S.

    2015  

    Abstract: A search for the rare decay of a $B^{0}$ or $B^{0}_{s}$ meson into the final state $J/\psi\gamma$ is performed, using data collected by the LHCb experiment in $pp$ collisions at $\sqrt{s}=7$ and $8$ TeV, corresponding to an integrated luminosity of 3 fb$^ ...

    Abstract A search for the rare decay of a $B^{0}$ or $B^{0}_{s}$ meson into the final state $J/\psi\gamma$ is performed, using data collected by the LHCb experiment in $pp$ collisions at $\sqrt{s}=7$ and $8$ TeV, corresponding to an integrated luminosity of 3 fb$^{-1}$. The observed number of signal candidates is consistent with a background-only hypothesis. Branching fraction values larger than $1.7\times 10^{-6}$ for the $B^{0}\to J/\psi\gamma$ decay mode are excluded at 90% confidence level. For the $B^{0}_{s}\to J/\psi\gamma$ decay mode, branching fraction values larger than $7.4\times 10^{-6}$ are excluded at 90% confidence level, this is the first branching fraction limit for this decay.

    Comment: All figures and tables, along with any supplementary material and additional information, are available at https://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2015-044.html
    Keywords High Energy Physics - Experiment
    Subject code 612
    Publishing date 2015-10-16
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  8. Book ; Online: Measurement of the $B_s^0 \to \phi \phi$ branching fraction and search for the decay $B^0 \to \phi \phi$

    LHCb collaboration / Aaij, R. / Adeva, B. / Adinolfi, M. / Affolder, A. / Ajaltouni, Z. / Akar, S. / Albrecht, J. / Alessio, F. / Alexander, M. / Ali, S. / Alkhazov, G. / Cartelle, P. Alvarez / Alves Jr, A. A. / Amato, S. / Amerio, S. / Amhis, Y. / An, L. / Anderlini, L. /
    Anderson, J. / Andreassi, G. / Andreotti, M. / Andrews, J. E. / Appleby, R. B. / Gutierrez, O. Aquines / Archilli, F. / d'Argent, P. / Artamonov, A. / Artuso, M. / Aslanides, E. / Auriemma, G. / Baalouch, M. / Bachmann, S. / Back, J. J. / Badalov, A. / Baesso, C. / Baldini, W. / Barlow, R. J. / Barschel, C. / Barsuk, S. / Barter, W. / Batozskaya, V. / Battista, V. / Bay, A. / Beaucourt, L. / Beddow, J. / Bedeschi, F. / Bediaga, I. / Bel, L. J. / Bellee, V. / Belloli, N. / Belyaev, I. / Ben-Haim, E. / Bencivenni, G. / Benson, S. / Benton, J. / Berezhnoy, A. / Bernet, R. / Bertolin, A. / Bettler, M. -O. / van Beuzekom, M. / Bien, A. / Bifani, S. / Billoir, P. / Bird, T. / Birnkraut, A. / Bizzeti, A. / Blake, T. / Blanc, F. / Blouw, J. / Blusk, S. / Bocci, V. / Bondar, A. / Bondar, N. / Bonivento, W. / Borghi, S. / Borsato, M. / Bowcock, T. J. V. / Bowen, E. / Bozzi, C. / Braun, S. / Britsch, M. / Britton, T. / Brodzicka, J. / Brook, N. H. / Buchanan, E. / Bursche, A. / Buytaert, J. / Cadeddu, S. / Calabrese, R. / Calvi, M. / Gomez, M. Calvo / Campana, P. / Perez, D. Campora / Capriotti, L. / Carbone, A. / Carboni, G. / Cardinale, R. / Cardini, A. / Carniti, P. / Carson, L. / Akiba, K. Carvalho / Casse, G. / Cassina, L. / Garcia, L. Castillo / Cattaneo, M. / Cauet, Ch. / Cavallero, G. / Cenci, R. / Charles, M. / Charpentier, Ph. / Chefdeville, M. / Chen, S. / Cheung, S. -F. / Chiapolini, N. / Chrzaszcz, M. / Vidal, X. Cid / Ciezarek, G. / Clarke, P. E. L. / Clemencic, M. / Cliff, H. V. / Closier, J. / Coco, V. / Cogan, J. / Cogneras, E. / Cogoni, V. / Cojocariu, L. / Collazuol, G. / Collins, P. / Comerma-Montells, A. / Contu, A. / Cook, A. / Coombes, M. / Coquereau, S. / Corti, G. / Corvo, M. / Couturier, B. / Cowan, G. A. / Craik, D. C. / Crocombe, A. / Torres, M. Cruz / Cunliffe, S. / Currie, R. / D'Ambrosio, C. / Dall'Occo, E. / Dalseno, J. / David, P. N. Y. / Davis, A. / De Bruyn, K. / De Capua, S. / De Cian, M. / De Miranda, J. M. / De Paula, L. / De Simone, P. / Dean, C. -T. / Decamp, D. / Deckenhoff, M. / Del Buono, L. / Déléage, N. / Demmer, M. / Derkach, D. / Deschamps, O. / Dettori, F. / Dey, B. / Di Canto, A. / Di Ruscio, F. / Dijkstra, H. / Donleavy, S. / Dordei, F. / Dorigo, M. / Suárez, A. Dosil / Dossett, D. / Dovbnya, A. / Dreimanis, K. / Dufour, L. / Dujany, G. / Dupertuis, F. / Durante, P. / Dzhelyadin, R. / Dziurda, A. / Dzyuba, A. / Easo, S. / Egede, U. / Egorychev, V. / Eidelman, S. / Eisenhardt, S. / Eitschberger, U. / Ekelhof, R. / Eklund, L. / Rifai, I. El / Elsasser, Ch. / Ely, S. / Esen, S. / Evans, H. M. / Evans, T. / Falabella, A. / Färber, C. / Farinelli, C. / Farley, N. / Farry, S. / Fay, R. / Ferguson, D. / Albor, V. Fernandez / Ferrari, F. / Rodrigues, F. Ferreira / Ferro-Luzzi, M. / Filippov, S. / Fiore, M. / Fiorini, M. / Firlej, M. / Fitzpatrick, C. / Fiutowski, T. / Fohl, K. / Fol, P. / Fontana, M. / Fontanelli, F. / Forty, R. / Francisco, O. / Frank, M. / Frei, C. / Frosini, M. / Fu, J. / Furfaro, E. / Torreira, A. Gallas / Galli, D. / Gallorini, S. / Gambetta, S. / Gandelman, M. / Gandini, P. / Gao, Y. / Pardiñas, J. García / Tico, J. Garra / Garrido, L. / Gascon, D. / Gaspar, C. / Gauld, R. / Gavardi, L. / Gazzoni, G. / Gerick, D. / Gersabeck, E. / Gersabeck, M. / Gershon, T. / Ghez, Ph. / Gianelle, A. / Gianì, S. / Gibson, V. / Girard, O. G. / Giubega, L. / Gligorov, V. V. / Göbel, C. / Golubkov, D. / Golutvin, A. / Gomes, A. / Gotti, C. / Gándara, M. Grabalosa / Diaz, R. Graciani / Cardoso, L. A. Granado / Graugés, E. / Graverini, E. / Graziani, G. / Grecu, A. / Greening, E. / Gregson, S. / Griffith, P. / Grillo, L. / Grünberg, O. / Gui, B. / Gushchin, E. / Guz, Yu. / Gys, T. / Hadavizadeh, T. / Hadjivasiliou, C. / Haefeli, G. / Haen, C. / Haines, S. C. / Hall, S. / Hamilton, B. / Han, X. / Hansmann-Menzemer, S. / Harnew, N. / Harnew, S. T. / Harrison, J. / He, J. / Head, T. / Heijne, V. / Hennessy, K. / Henrard, P. / Henry, L. / Morata, J. A. Hernando / van Herwijnen, E. / Heß, M. / Hicheur, A. / Hill, D. / Hoballah, M. / Hombach, C. / Hulsbergen, W. / Humair, T. / Hussain, N. / Hutchcroft, D. / Hynds, D. / Idzik, M. / Ilten, P. / Jacobsson, R. / Jaeger, A. / Jalocha, J. / Jans, E. / Jawahery, A. / Jing, F. / John, M. / Johnson, D. / Jones, C. R. / Joram, C. / Jost, B. / Jurik, N. / Kandybei, S. / Kanso, W. / Karacson, M. / Karbach, T. M. / Karodia, S. / Kecke, M. / Kelsey, M. / Kenyon, I. R. / Kenzie, M. / Ketel, T. / Khanji, B. / Khurewathanakul, C. / Klaver, S. / Klimaszewski, K. / Kochebina, O. / Kolpin, M. / Komarov, I. / Koopman, R. F. / Koppenburg, P. / Kozeiha, M. / Kravchuk, L. / Kreplin, K. / Kreps, M. / Krocker, G. / Krokovny, P. / Kruse, F. / Krzemien, W. / Kucewicz, W. / Kucharczyk, M. / Kudryavtsev, V. / Kuonen, A. K. / Kurek, K. / Kvaratskheliya, T. / Lacarrere, D. / Lafferty, G. / Lai, A. / Lambert, D. / Lanfranchi, G. / Langenbruch, C. / Latham, T. / Lazzeroni, C. / Gac, R. Le / van Leerdam, J. / Lees, J. -P. / Lefèvre, R. / Leflat, A. / Lefrançois, J. / Leroy, O. / Lesiak, T. / Leverington, B. / Li, Y. / Likhomanenko, T. / Liles, M. / Lindner, R. / Linn, C. / Lionetto, F. / Liu, B. / Liu, X. / Loh, D. / Longstaff, I. / Lopes, J. H. / Lucchesi, D. / Martinez, M. Lucio / Luo, H. / Lupato, A. / Luppi, E. / Lupton, O. / Lusiani, A. / Machefert, F. / Maciuc, F. / Maev, O. / Maguire, K. / Malde, S. / Malinin, A. / Manca, G. / Mancinelli, G. / Manning, P. / Mapelli, A. / Maratas, J. / Marchand, J. F. / Marconi, U. / Benito, C. Marin / Marino, P. / Marks, J. / Martellotti, G. / Martin, M. / Martinelli, M. / Santos, D. Martinez / Vidal, F. Martinez / Tostes, D. Martins / Massafferri, A. / Matev, R. / Mathad, A. / Mathe, Z. / Matteuzzi, C. / Mauri, A. / Maurin, B. / Mazurov, A. / McCann, M. / McCarthy, J. / McNab, A. / McNulty, R. / Meadows, B. / Meier, F. / Meissner, M. / Melnychuk, D. / Merk, M. / Michielin, E / Milanes, D. A. / Minard, M. -N. / Mitzel, D. S. / Rodriguez, J. Molina / Monroy, I. A. / Monteil, S. / Morandin, M. / Morawski, P. / Mordà, A. / Morello, M. J. / Moron, J. / Morris, A. B. / Mountain, R. / Muheim, F. / Muller, D. / Müller, J. / Müller, K. / Müller, V. / Mussini, M. / Muster, B. / Naik, P. / Nakada, T. / Nandakumar, R. / Nandi, A. / Nasteva, I. / Needham, M. / Neri, N. / Neubert, S. / Neufeld, N. / Neuner, M. / Nguyen, A. D. / Nguyen, T. D. / Nguyen-Mau, C. / Niess, V. / Niet, R. / Nikitin, N. / Nikodem, T. / Ninci, D. / Novoselov, A. / O'Hanlon, D. P. / Oblakowska-Mucha, A. / Obraztsov, V. / Ogilvy, S. / Okhrimenko, O. / Oldeman, R. / Onderwater, C. J. G. / Rodrigues, B. Osorio / Goicochea, J. M. Otalora / Otto, A. / Owen, P. / Oyanguren, A. / Palano, A. / Palombo, F. / Palutan, M. / Panman, J. / Papanestis, A. / Pappagallo, M. / Pappalardo, L. L. / Pappenheimer, C. / Parkes, C. / Passaleva, G. / Patel, G. D. / Patel, M. / Patrignani, C. / Pearce, A. / Pellegrino, A. / Penso, G. / Altarelli, M. Pepe / Perazzini, S. / Perret, P. / Pescatore, L. / Petridis, K. / Petrolini, A. / Petruzzo, M. / Olloqui, E. Picatoste / Pietrzyk, B. / Pilař, T. / Pinci, D. / Pistone, A. / Piucci, A. / Playfer, S. / Casasus, M. Plo / Poikela, T. / Polci, F. / Poluektov, A. / Polyakov, I. / Polycarpo, E. / Popov, A. / Popov, D. / Popovici, B. / Potterat, C. / Price, E. / Price, J. D. / Prisciandaro, J. / Pritchard, A. / Prouve, C. / Pugatch, V. / Navarro, A. Puig / Punzi, G. / Qian, W. / Quagliani, R. / Rachwal, B. / Rademacker, J. H. / Rama, M. / Rangel, M. S. / Raniuk, I. / Rauschmayr, N. / Raven, G. / Redi, F. / Reichert, S. / Reid, M. M. / Reis, A. C. dos / Ricciardi, S. / Richards, S. / Rihl, M. / Rinnert, K. / Molina, V. Rives / Robbe, P. / Rodrigues, A. B. / Rodrigues, E. / Lopez, J. A. Rodriguez / Perez, P. Rodriguez / Roiser, S. / Romanovsky, V. / Vidal, A. Romero / Ronayne, J. W. / Rotondo, M. / Rouvinet, J. / Ruf, T. / Ruiz, H. / Valls, P. Ruiz / Silva, J. J. Saborido / Sagidova, N. / Sail, P. / Saitta, B. / Guimaraes, V. Salustino / Mayordomo, C. Sanchez / Sedes, B. Sanmartin / Santacesaria, R. / Rios, C. Santamarina / Santimaria, M. / Santovetti, E. / Sarti, A. / Satriano, C. / Satta, A. / Saunders, D. M. / Savrina, D. / Schiller, M. / Schindler, H. / Schlupp, M. / Schmelling, M. / Schmelzer, T. / Schmidt, B. / Schneider, O. / Schopper, A. / Schubiger, M. / Schune, M. -H. / Schwemmer, R. / Sciascia, B. / Sciubba, A. / Semennikov, A. / Serra, N. / Serrano, J. / Sestini, L. / Seyfert, P. / Shapkin, M. / Shapoval, I. / Shcheglov, Y. / Shears, T. / Shekhtman, L. / Shevchenko, V. / Shires, A. / Siddi, B. G. / Coutinho, R. Silva / de Oliveira, L. Silva / Simi, G. / Sirendi, M. / Skidmore, N. / Skillicorn, I. / Skwarnicki, T. / Smith, E. / Smith, I. T. / Smith, J. / Smith, M. / Snoek, H. / Sokoloff, M. D. / Soler, F. J. P. / Soomro, F. / Souza, D. / De Paula, B. Souza / Spaan, B. / Spradlin, P. / Sridharan, S. / Stagni, F. / Stahl, M. / Stahl, S. / Stefkova, S. / Steinkamp, O. / Stenyakin, O. / Stevenson, S. / Stoica, S. / Stone, S. / Storaci, B. / Stracka, S. / Straticiuc, M. / Straumann, U. / Sun, L. / Sutcliffe, W. / Swientek, K. / Swientek, S. / Syropoulos, V. / Szczekowski, M. / Szczypka, P. / Szumlak, T. / T'Jampens, S. / Tayduganov, A. / Tekampe, T. / Teklishyn, M. / Tellarini, G. / Teubert, F. / Thomas, C. / Thomas, E. / van Tilburg, J. / Tisserand, V. / Tobin, M. / Todd, J. / Tolk, S. / Tomassetti, L. / Tonelli, D. / Topp-Joergensen, S. / Torr, N. / Tournefier, E. / Tourneur, S. / Trabelsi, K. / Tran, M. T. / Tresch, M. / Trisovic, A. / Tsaregorodtsev, A. / Tsopelas, P. / Tuning, N. / Ukleja, A. / Ustyuzhanin, A. / Uwer, U. / Vacca, C. / Vagnoni, V. / Valenti, G. / Vallier, A. / Gomez, R. Vazquez / Regueiro, P. Vazquez / Sierra, C. Vázquez / Vecchi, S. / Velthuis, J. J. / Veltri, M. / Veneziano, G. / Vesterinen, M. / Viaud, B. / Vieira, D. / Diaz, M. Vieites / Vilasis-Cardona, X. / Vollhardt, A. / Volyanskyy, D. / Voong, D. / Vorobyev, A. / Vorobyev, V. / Voß, C. / de Vries, J. A. / Waldi, R. / Wallace, C. / Wallace, R. / Walsh, J. / Wandernoth, S. / Wang, J. / Ward, D. R. / Watson, N. K. / Websdale, D. / Weiden, A. / Whitehead, M. / Wilkinson, G. / Wilkinson, M. / Williams, M. / Williams, M. P. / Williams, T. / Wilson, F. F. / Wimberley, J. / Wishahi, J. / Wislicki, W. / Witek, M. / Wormser, G. / Wotton, S. A. / Wright, S. / Wyllie, K. / Xie, Y. / Xu, Z. / Yang, Z. / Yu, J. / Yuan, X. / Yushchenko, O. / Zangoli, M. / Zavertyaev, M. / Zhang, L. / Zhang, Y. / Zhelezov, A. / Zhokhov, A. / Zhong, L. / Zucchelli, S.

    2015  

    Abstract: Using a dataset corresponding to an integrated luminosity of 3.0 fb$^{-1}$ collected in $pp$ collisions at centre-of-mass energies of 7 and 8 TeV, the $B_s^0 \to \phi \phi$ branching fraction is measured to be \[ \mathcal{B}(B_s^0 \to \phi \phi) = ( 1.84 ...

    Abstract Using a dataset corresponding to an integrated luminosity of 3.0 fb$^{-1}$ collected in $pp$ collisions at centre-of-mass energies of 7 and 8 TeV, the $B_s^0 \to \phi \phi$ branching fraction is measured to be \[ \mathcal{B}(B_s^0 \to \phi \phi) = ( 1.84 \pm 0.05 (\text{stat}) \pm 0.07 (\text{syst}) \pm 0.11 (f_s/f_d) \pm 0.12 (\text{norm}) ) \times 10^{-5}, \] where $f_s/f_d$ represents the ratio of the $B_s^0$ to $B^0$ production cross-sections, and the $B^0 \to \phi K^*(892)^0$ decay mode is used for normalization. This is the most precise measurement of this branching fraction to date, representing a factor five reduction in the statistical uncertainty compared with the previous best measurement. A search for the decay $B^0 \to \phi \phi$ is also made. No signal is observed, and an upper limit on the branching fraction is set as \[ \mathcal{B}(B^0 \to \phi \phi) < 2.8 \times 10^{-8} \] at 90% confidence level. This is a factor of seven improvement compared to the previous best limit.
    Keywords High Energy Physics - Experiment
    Subject code 612
    Publishing date 2015-08-04
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  9. Book ; Online: Measurement of the CKM angle \gamma using B^\pm --> D K^\pm with D-->K_S\pi^+\pi^-, K_SK^+K^- decays

    LHCb collaboration / Aaij, R. / Adeva, B. / Adinolfi, M. / Affolder, A. / Ajaltouni, Z. / Akar, S. / Albrecht, J. / Alessio, F. / Alexander, M. / Ali, S. / Alkhazov, G. / Cartelle, P. Alvarez / Alves Jr, A. A. / Amato, S. / Amerio, S. / Amhis, Y. / An, L. / Anderlini, L. /
    Anderson, J. / Andreassen, R. / Andreotti, M. / Andrews, J. E. / Appleby, R. B. / Gutierrez, O. Aquines / Archilli, F. / Artamonov, A. / Artuso, M. / Aslanides, E. / Auriemma, G. / Baalouch, M. / Bachmann, S. / Back, J. J. / Badalov, A. / Baldini, W. / Barlow, R. J. / Barschel, C. / Barsuk, S. / Barter, W. / Batozskaya, V. / Battista, V. / Bay, A. / Beaucourt, L. / Beddow, J. / Bedeschi, F. / Bediaga, I. / Belogurov, S. / Belous, K. / Belyaev, I. / Ben-Haim, E. / Bencivenni, G. / Benson, S. / Benton, J. / Berezhnoy, A. / Bernet, R. / Bettler, M. -O. / van Beuzekom, M. / Bien, A. / Bifani, S. / Bird, T. / Bizzeti, A. / Bjørnstad, P. M. / Blake, T. / Blanc, F. / Blouw, J. / Blusk, S. / Bocci, V. / Bondar, A. / Bondar, N. / Bonivento, W. / Borghi, S. / Borgia, A. / Borsato, M. / Bowcock, T. J. V. / Bowen, E. / Bozzi, C. / Brambach, T. / Brand, J. van den / Bressieux, J. / Brett, D. / Britsch, M. / Britton, T. / Brodzicka, J. / Brook, N. H. / Brown, H. / Bursche, A. / Busetto, G. / Buytaert, J. / Cadeddu, S. / Calabrese, R. / Calvi, M. / Gomez, M. Calvo / Campana, P. / Perez, D. Campora / Carbone, A. / Carboni, G. / Cardinale, R. / Cardini, A. / Carson, L. / Akiba, K. Carvalho / Casse, G. / Cassina, L. / Garcia, L. Castillo / Cattaneo, M. / Cauet, Ch. / Cenci, R. / Charles, M. / Charpentier, Ph. / Chefdeville, M. / Chen, S. / Cheung, S. -F. / Chiapolini, N. / Chrzaszcz, M. / Ciba, K. / Vidal, X. Cid / Ciezarek, G. / Clarke, P. E. L. / Clemencic, M. / Cliff, H. V. / Closier, J. / Coco, V. / Cogan, J. / Cogneras, E. / Cojocariu, L. / Collins, P. / Comerma-Montells, A. / Contu, A. / Cook, A. / Coombes, M. / Coquereau, S. / Corti, G. / Corvo, M. / Counts, I. / Couturier, B. / Cowan, G. A. / Craik, D. C. / Torres, M. Cruz / Cunliffe, S. / Currie, R. / D'Ambrosio, C. / Dalseno, J. / David, P. / David, P. N. Y. / Davis, A. / De Bruyn, K. / De Capua, S. / De Cian, M. / De Miranda, J. M. / De Paula, L. / De Silva, W. / De Simone, P. / Decamp, D. / Deckenhoff, M. / Del Buono, L. / Déléage, N. / Derkach, D. / Deschamps, O. / Dettori, F. / Di Canto, A. / Dijkstra, H. / Donleavy, S. / Dordei, F. / Dorigo, M. / Suárez, A. Dosil / Dossett, D. / Dovbnya, A. / Dreimanis, K. / Dujany, G. / Dupertuis, F. / Durante, P. / Dzhelyadin, R. / Dziurda, A. / Dzyuba, A. / Easo, S. / Egede, U. / Egorychev, V. / Eidelman, S. / Eisenhardt, S. / Eitschberger, U. / Ekelhof, R. / Eklund, L. / Rifai, I. El / Elsasser, Ch. / Ely, S. / Esen, S. / Evans, H. -M. / Evans, T. / Falabella, A. / Färber, C. / Farinelli, C. / Farley, N. / Farry, S. / Fay, RF / Ferguson, D. / Albor, V. Fernandez / Rodrigues, F. Ferreira / Ferro-Luzzi, M. / Filippov, S. / Fiore, M. / Fiorini, M. / Firlej, M. / Fitzpatrick, C. / Fiutowski, T. / Fontana, M. / Fontanelli, F. / Forty, R. / Francisco, O. / Frank, M. / Frei, C. / Frosini, M. / Fu, J. / Furfaro, E. / Torreira, A. Gallas / Galli, D. / Gallorini, S. / Gambetta, S. / Gandelman, M. / Gandini, P. / Gao, Y. / Pardiñas, J. García / Garofoli, J. / Tico, J. Garra / Garrido, L. / Gaspar, C. / Gauld, R. / Gavardi, L. / Gavrilov, G. / Geraci, A. / Gersabeck, E. / Gersabeck, M. / Gershon, T. / Ghez, Ph. / Gianelle, A. / Giani', S. / Gibson, V. / Giubega, L. / Gligorov, V. V. / Göbel, C. / Golubkov, D. / Golutvin, A. / Gomes, A. / Gotti, C. / Gándara, M. Grabalosa / Diaz, R. Graciani / Cardoso, L. A. Granado / Graugés, E. / Graziani, G. / Grecu, A. / Greening, E. / Gregson, S. / Griffith, P. / Grillo, L. / Grünberg, O. / Gui, B. / Gushchin, E. / Guz, Yu. / Gys, T. / Hadjivasiliou, C. / Haefeli, G. / Haen, C. / Haines, S. C. / Hall, S. / Hamilton, B. / Hampson, T. / Han, X. / Hansmann-Menzemer, S. / Harnew, N. / Harnew, S. T. / Harrison, J. / He, J. / Head, T. / Heijne, V. / Hennessy, K. / Henrard, P. / Henry, L. / Morata, J. A. Hernando / van Herwijnen, E. / Heß, M. / Hicheur, A. / Hill, D. / Hoballah, M. / Hombach, C. / Hulsbergen, W. / Hunt, P. / Hussain, N. / Hutchcroft, D. / Hynds, D. / Idzik, M. / Ilten, P. / Jacobsson, R. / Jaeger, A. / Jalocha, J. / Jans, E. / Jaton, P. / Jawahery, A. / Jing, F. / John, M. / Johnson, D. / Jones, C. R. / Joram, C. / Jost, B. / Jurik, N. / Kaballo, M. / Kandybei, S. / Kanso, W. / Karacson, M. / Karbach, T. M. / Karodia, S. / Kelsey, M. / Kenyon, I. R. / Ketel, T. / Khanji, B. / Khurewathanakul, C. / Klaver, S. / Klimaszewski, K. / Kochebina, O. / Kolpin, M. / Komarov, I. / Koopman, R. F. / Koppenburg, P. / Korolev, M. / Kozlinskiy, A. / Kravchuk, L. / Kreplin, K. / Kreps, M. / Krocker, G. / Krokovny, P. / Kruse, F. / Kucewicz, W. / Kucharczyk, M. / Kudryavtsev, V. / Kurek, K. / Kvaratskheliya, T. / La Thi, V. N. / Lacarrere, D. / Lafferty, G. / Lai, A. / Lambert, D. / Lambert, R. W. / Lanfranchi, G. / Langenbruch, C. / Langhans, B. / Latham, T. / Lazzeroni, C. / Gac, R. 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    2014  

    Abstract: A binned Dalitz plot analysis of $B^\pm \to D K^\pm$ decays, with $D \to K_S \pi^+\pi^-$ and $D \to K_S K^+ K^-$, is performed to measure the \CP-violating observables $x_{\pm}$ and $y_{\pm}$, which are sensitive to the Cabibbo-Kobayashi-Maskawa angle $\ ... ...

    Abstract A binned Dalitz plot analysis of $B^\pm \to D K^\pm$ decays, with $D \to K_S \pi^+\pi^-$ and $D \to K_S K^+ K^-$, is performed to measure the \CP-violating observables $x_{\pm}$ and $y_{\pm}$, which are sensitive to the Cabibbo-Kobayashi-Maskawa angle $\gamma$. The analysis exploits a sample of proton-proton collision data corresponding to 3.0\invfb collected by the LHCb experiment. Measurements from CLEO-c of the variation of the strong-interaction phase of the $D$ decay over the Dalitz plot are used as inputs. The values of the parameters are found to be $x_+ = (-7.7 \pm 2.4 \pm 1.0 \pm 0.4)\times 10^{-2}$, $x_- = (2.5 \pm 2.5 \pm 1.0 \pm 0.5) \times 10^{-2}$, $y_+ = (-2.2 \pm 2.5 \pm 0.4 \pm 1.0)\times 10^{-2}$, and $y_- = (7.5 \pm 2.9 \pm 0.5 \pm 1.4) \times 10^{-2}$. The first, second, and third uncertainties are the statistical, the experimental systematic, and that associated with the precision of the strong-phase parameters. These are the most precise measurements of these observables and correspond to $\gamma = (62^{\,+15}_{\,-14})^\circ$, with a second solution at $\gamma \to \gamma + 180^\circ$, and $r_B = 0.080^{+ 0.019}_{-0.021}$, where $r_B$ is the ratio between the suppressed and favoured $B$ decay amplitudes.
    Keywords High Energy Physics - Experiment
    Subject code 612 ; 530
    Publishing date 2014-08-12
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  10. Book ; Online: Observation of charmonium pairs produced exclusively in $pp$ collisions

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    2014  

    Abstract: A search is performed for the central exclusive production of pairs of charmonia produced in proton-proton collisions. Using data corresponding to an integrated luminosity of $3{\rm\ fb}^{-1}$ collected at centre-of-mass energies of 7 and 8 TeV, $J/\psi ... ...

    Abstract A search is performed for the central exclusive production of pairs of charmonia produced in proton-proton collisions. Using data corresponding to an integrated luminosity of $3{\rm\ fb}^{-1}$ collected at centre-of-mass energies of 7 and 8 TeV, $J/\psi J/\psi$ and $J/\psi\psi(2S)$ pairs are observed, which have been produced in the absence of any other activity inside the LHCb acceptance that is sensitive to charged particles in the pseudorapidity ranges $(-3.5,-1.5)$ and $(1.5,5.0)$. Searches are also performed for pairs of P-wave charmonia and limits are set on their production. The cross-sections for these processes, where the dimeson system has a rapidity between 2.0 and 4.5, are measured to be $$ \begin{array}{rl} \sigma^{J/\psi J/\psi} &= 58\pm10{(\rm stat)} \pm 6{(\rm syst)} {\rm\ pb} , \\ \sigma^{J/\psi\psi(2S)} &= 63 ^{+27}_{-18}{(\rm stat)}\pm 10{(\rm syst)} {\rm\ pb} , \\ \sigma^{\psi(2S)\psi(2S)} &< 237 {\rm\ pb}, \\ \sigma^{\chi_{c0}\chi_{c0}} &< 69 {\rm\ nb}, \\ \sigma^{\chi_{c1}\chi_{c1}} &< 45 {\rm\ pb}, \\ \sigma^{\chi_{c2}\chi_{c2}} &< 141 {\rm\ pb}, \\ \end{array} $$ where the upper limits are set at the 90% confidence level. The measured $J/\psi J/\psi$ and $J/\psi\psi(2S)$ cross-sections are consistent with theoretical expectations.

    Comment: 21 pages, 5 figures
    Keywords High Energy Physics - Experiment
    Subject code 612
    Publishing date 2014-07-22
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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