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  1. Article ; Online: Constraints on the K_{S}^{0}→μ^{+}μ^{-} Branching Fraction.

    Aaij, R / Abellán Beteta, C / Ackernley, T / Adeva, B / Adinolfi, M / Afsharnia, H / Aidala, C A / Aiola, S / Ajaltouni, Z / Akar, S / Albicocco, P / Albrecht, J / Alessio, F / Alexander, M / Alfonso Albero, A / Alkhazov, G / Alvarez Cartelle, P / Alves, A A / Amato, S /
    Amhis, Y / An, L / Anderlini, L / Andreassi, G / Andreotti, M / Archilli, F / Arnau Romeu, J / Artamonov, A / Artuso, M / Arzymatov, K / Aslanides, E / Atzeni, M / Audurier, B / Bachmann, S / Back, J J / Baker, S / Balagura, V / Baldini, W / Baranov, A / Barlow, R J / Barsuk, S / Barter, W / Bartolini, M / Baryshnikov, F / Bassi, G / Batozskaya, V / Batsukh, B / Battig, A / Bay, A / Becker, M / Bedeschi, F / Bediaga, I / Beiter, A / Bel, L J / Belavin, V / Belin, S / Beliy, N / Bellee, V / Belous, K / Belyaev, I / Bencivenni, G / Ben-Haim, E / Benson, S / Beranek, S / Berezhnoy, A / Bernet, R / Berninghoff, D / Bernstein, H C / Bertella, C / Bertholet, E / Bertolin, A / Betancourt, C / Betti, F / Bettler, M O / Bezshyiko, Ia / Bhasin, S / Bhom, J / Bieker, M S / Bifani, S / Billoir, P / Bizzeti, A / Bjørn, M / Blago, M P / Blake, T / Blanc, F / Blusk, S / Bobulska, D / Bocci, V / Boente Garcia, O / Boettcher, T / Boldyrev, A / Bondar, A / Bondar, N / Borghi, S / Borisyak, M / Borsato, M / Borsuk, J T / Bowcock, T J V / Bozzi, C / Bradley, M J / Braun, S / Brea Rodriguez, A / Brodski, M / Brodzicka, J / Brossa Gonzalo, A / Brundu, D / Buchanan, E / Büchler-Germann, A / Buonaura, A / Burr, C / Bursche, A / Butter, J S / Buytaert, J / Byczynski, W / Cadeddu, S / Cai, H / Calabrese, R / Calero Diaz, L / Cali, S / Calladine, 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 / Carvalho Akiba, K / Casais Vidal, A / Casse, G / Cattaneo, M / Cavallero, G / Celani, S / Cenci, R / Cerasoli, J / Chapman, M G / Charles, M / Charpentier, Ph / Chatzikonstantinidis, G / Chefdeville, M / Chekalina, V / Chen, C / Chen, S / Chernov, A / Chitic, S-G / Chobanova, V / Chrzaszcz, M / Chubykin, A / Ciambrone, P / Cicala, M F / Cid Vidal, X / Ciezarek, G / Cindolo, F / Clarke, P E L / Clemencic, M / Cliff, H V / Closier, J / Cobbledick, J L / Coco, V / Coelho, J A B / Cogan, J / Cogneras, E / Cojocariu, L / Collins, P / Colombo, T / Comerma-Montells, A / Contu, A / Cooke, N / Coombs, G / Coquereau, S / Corti, G / Costa Sobral, C M / Couturier, B / Craik, D C / Crkovská, J / Crocombe, A / Cruz Torres, M / Currie, R / Da Silva, C L / Dall'Occo, E / Dalseno, J / D'Ambrosio, C / Danilina, A / d'Argent, P / 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 / de Vries, J A / Dean, C T / Dean, W / Decamp, D / Del Buono, L / Delaney, B / Dembinski, H-P / Demmer, M / Dendek, A / Denysenko, V / Derkach, D / Deschamps, O / Desse, F / Dettori, F / Dey, B / Di Canto, A / Di Nezza, P / Didenko, S / Dijkstra, H / Dobishuk, V / Dordei, F / Dorigo, M / Dos Reis, A C / Douglas, L / Dovbnya, A / Dreimanis, K / Dudek, M W / Dufour, L / Dujany, G / Durante, P / Durham, J M / Dutta, D / Dziewiecki, M / Dziurda, A / Dzyuba, A / Easo, S / Egede, U / Egorychev, V / Eidelman, S / Eisenhardt, S / Ekelhof, R / Ek-In, S / Eklund, L / Ely, S / Ene, A / Epple, E / Escher, S / Esen, S / Evans, T / Falabella, A / Fan, J / Farley, N / Farry, S / Fazzini, D / Fedin, P / Féo, M / Fernandez Declara, P / Fernandez Prieto, A / Ferrari, F / Ferreira Lopes, L / Ferreira Rodrigues, F / Ferreres Sole, S / Ferrillo, M / Ferro-Luzzi, M / Filippov, S / Fini, R A / Fiorini, M / Firlej, M / Fischer, K M / Fitzpatrick, C / Fiutowski, T / Fleuret, F / Fontana, M / Fontanelli, F / Forty, R / Franco Lima, V / Franco Sevilla, M / Frank, M / Frei, C / Friday, D A / Fu, J / Fuehring, Q / Funk, W / Gabriel, E / Gallas Torreira, A / Galli, D / Gallorini, S / Gambetta, S / Gan, Y / Gandelman, M / Gandini, P / Gao, Y / Garcia Martin, L M / García Pardiñas, J / Garcia Plana, B / Garcia Rosales, F A / Garra Tico, J / Garrido, L / Gascon, D / Gaspar, C / Gerick, D / Gersabeck, E / Gersabeck, M / Gershon, T / Gerstel, D / Ghez, Ph / Gibson, V / Gioventù, A / Girard, O G / Gironella Gironell, P / Giubega, L / Giugliano, C / Gizdov, K / Gligorov, V V / Göbel, C / Golobardes, E / Golubkov, D / Golutvin, A / Gomes, A / Gorbounov, P / Gorelov, I V / Gotti, C / Govorkova, E / Grabowski, J P / Graciani Diaz, R / Grammatico, T / Granado Cardoso, L A / Graugés, E / Graverini, E / Graziani, G / Grecu, A / Greim, R / Griffith, P / Grillo, L / Gruber, L / Gruberg Cazon, B R / Gu, C / Günther, P A / Gushchin, E / Guth, A / Guz, Yu / Gys, T / Hadavizadeh, T / Haefeli, G / Haen, C / Haines, S C / Hamilton, P M / Han, Q / Han, X / Hancock, T H / Hansmann-Menzemer, S / Harnew, N / Harrison, T / Hart, R / Hasse, C / Hatch, M / He, J / Hecker, M / Heijhoff, K / Heinicke, K / Heister, A / Hennequin, A M / Hennessy, K / Henry, L / Heuel, J / Hicheur, A / Hill, D / Hilton, M / Hopchev, P H / Hu, J / Hu, W / Huang, W / Hulsbergen, W / Humair, T / Hunter, R J / Hushchyn, M / Hutchcroft, D / Hynds, D / Ibis, P / Idzik, M / Ilten, P / Inglessi, A / Inyakin, A / Ivshin, K / Jacobsson, R / Jakobsen, S / Jans, E / Jashal, B K / Jawahery, A / Jevtic, V / Jiang, F / John, M / Johnson, D / Jones, C R / Jost, B / Jurik, N / Kandybei, S / Karacson, M / Kariuki, J M / Kazeev, N / Kecke, M / Keizer, F / Kelsey, M / Kenzie, M / Ketel, T / Khanji, B / Kharisova, A / Kim, K E / Kirn, T / Kirsebom, V S / Klaver, S / Klimaszewski, K / Koliiev, S / Kondybayeva, A / Konoplyannikov, A / Kopciewicz, P / Kopecna, R / Koppenburg, P / Korolev, M / Kostiuk, I / Kot, O / Kotriakhova, S / Kravchuk, L / Krawczyk, R D / Kreps, M / Kress, F / Kretzschmar, S / Krokovny, P / Krupa, W / Krzemien, W / Kucewicz, W / Kucharczyk, M / Kudryavtsev, V / Kuindersma, H S / Kunde, G J / Kvaratskheliya, T / Lacarrere, D / Lafferty, G / Lai, A / Lancierini, D / Lane, J J / Lanfranchi, G / Langenbruch, C / Lantwin, O / Latham, T / Lazzari, F / Lazzeroni, C / Le Gac, R / Lefèvre, R / Leflat, A / Leroy, O / Lesiak, T / Leverington, B / Li, H / Li, X / Li, Y / Li, Z / Liang, X / Lindner, R / Lisovskyi, V / Liu, G / Liu, X / Loh, D / Loi, A / Lomba Castro, J / Longstaff, I / Lopes, J H / Loustau, G / Lovell, G H / Lu, Y / Lucchesi, D / Lucio Martinez, M / Luo, Y / Lupato, A / Luppi, E / Lupton, O / Lusiani, A / Lyu, X / Maccolini, S / Machefert, F / Maciuc, F / Macko, V / Mackowiak, P / Maddrell-Mander, S / Madhan Mohan, L R / Maev, O / Maevskiy, A / Maisuzenko, D / Majewski, M W / Malde, S / Malecki, B / Malinin, A / Maltsev, T / Malygina, H / Manca, G / Mancinelli, G / Manera Escalero, R / Manuzzi, D / Marangotto, D / Maratas, J / Marchand, J F / Marconi, U / Mariani, S / Marin Benito, C / Marinangeli, M / Marino, P / Marks, J / Marshall, P J / Martellotti, G / Martinazzoli, L / Martinelli, M / Martinez Santos, D / Martinez Vidal, F / Massafferri, A / Materok, M / Matev, R / Mathad, A / Mathe, Z / Matiunin, V / Matteuzzi, C / Mattioli, K R / Mauri, A / Maurice, E / McCann, M / Mcconnell, L / McNab, A / McNulty, R / Mead, J V / Meadows, B / Meaux, C / Meier, G / Meinert, N / Melnychuk, D / Meloni, S / Merk, M / Merli, A / Mikhasenko, M / Milanes, D A / Millard, E / Minard, M-N / Mineev, O / Minzoni, L / Mitchell, S E / Mitreska, B / Mitzel, D S / Mödden, A / Mogini, A / Moise, R D / Mombächer, T / Monroy, I A / Monteil, S / Morandin, M / Morello, G / Morello, M J / Moron, J / Morris, A B / Morris, A G / Mountain, R / Mu, H / Muheim, F / Mukherjee, M / Mulder, M / Müller, D / Müller, K / Müller, V / Murphy, C H / Murray, D / Muzzetto, P / Naik, P / Nakada, T / Nandakumar, R / Nandi, A / Nanut, T / Nasteva, I / Needham, M / Neri, N / Neubert, S / Neufeld, N / Newcombe, R / Nguyen, T D / Nguyen-Mau, C / Niel, E M / Nieswand, S / Nikitin, N / Nolte, N S / Nunez, C / Oblakowska-Mucha, A / Obraztsov, V / Ogilvy, S / O'Hanlon, D P / Oldeman, R / Onderwater, C J G / Osborn, J D / Ossowska, A / Otalora Goicochea, J M / Ovsiannikova, T / Owen, P / Oyanguren, A / Pais, P R / Pajero, T / Palano, A / Palutan, M / Panshin, G / Papanestis, A / Pappagallo, M / Pappalardo, L L / Pappenheimer, C / Parker, W / Parkes, C / Passaleva, G / Pastore, A / Patel, M / Patrignani, C / Pearce, A / Pellegrino, A / Pepe Altarelli, M / Perazzini, S / Pereima, D / Perret, P / Pescatore, L / Petridis, K / Petrolini, A / Petrov, A / Petrucci, S / Petruzzo, M / Pietrzyk, B / Pietrzyk, G / Pili, M / Pinci, D / Pinzino, J / Pisani, F / Piucci, A / Placinta, V / Playfer, S / Plews, J / Plo Casasus, M / Polci, F / Poli Lener, M / Poliakova, M / Poluektov, A / Polukhina, N / Polyakov, I / Polycarpo, E / Pomery, G J / Ponce, S / Popov, A / Popov, D / Poslavskii, S / Prasanth, K / Promberger, L / Prouve, C / Pugatch, V / Puig Navarro, A / Pullen, H / Punzi, G / Qian, W / Qin, J / Quagliani, R / Quintana, B / Raab, N V / Rabadan Trejo, R I / Rachwal, B / Rademacker, J H / Rama, M / Ramos Pernas, M / Rangel, M S / Ratnikov, F / Raven, G / Reboud, M / Redi, F / Reiss, F / Remon Alepuz, C / Ren, Z / Renaudin, V / Ricciardi, S / Richards, S / Rinnert, K / Robbe, P / Robert, A / Rodrigues, A B / Rodrigues, E / Rodriguez Lopez, J A / Roehrken, M / Roiser, S / Rollings, A / Romanovskiy, V / Romero Lamas, M / Romero Vidal, A / Roth, J D / Rotondo, M / Rudolph, M S / Ruf, T / Ruiz Vidal, J / Ryzka, J / Saborido Silva, J J / Sagidova, N / Saitta, B / Sanchez Gras, C / Sanchez Mayordomo, C / Santacesaria, R / Santamarina Rios, C / Santimaria, M / Santovetti, E / Sarpis, G / Sarti, A / Satriano, C / Satta, A / Saur, M / Savrina, D / Scantlebury Smead, L G / Schael, S / Schellenberg, M / Schiller, M / Schindler, H / Schmelling, M / Schmelzer, T / Schmidt, B / Schneider, O / Schopper, A / Schreiner, H F / Schubiger, M / Schulte, S / Schune, M H / Schwemmer, R / Sciascia, B / Sciubba, A / Sellam, S / Semennikov, A / Sergi, A / Serra, N / Serrano, J / Sestini, L / Seuthe, A / Seyfert, P / Shangase, D M / Shapkin, M / Shchutska, L / Shears, T / Shekhtman, L / Shevchenko, V / Shmanin, E / Shupperd, J D / Siddi, B G / Silva Coutinho, R / Silva de Oliveira, L / Simi, G / Simone, S / Skiba, I / Skidmore, N / Skwarnicki, T / Slater, M W / Smeaton, J G / Smetkina, A / Smith, E / Smith, I T / Smith, M / Snoch, A / Soares, M / Soares Lavra, L / Sokoloff, M D / Soler, F J P / Souza De Paula, B / Spaan, B / Spadaro Norella, E / Spradlin, P / Stagni, F / Stahl, M / Stahl, S / Stefko, P / Steinkamp, O / Stemmle, S / Stenyakin, O / Stepanova, M / Stevens, H / Stone, S / Stracka, S / Stramaglia, M E / Straticiuc, M / Strokov, S / Sun, J / Sun, L / Sun, Y / Svihra, P / Swientek, K / Szabelski, A / Szumlak, T / Szymanski, M / Taneja, S / Tang, Z / Tekampe, T / Tellarini, G / Teubert, F / Thomas, E / Thomson, K A / Tilley, M J / Tisserand, V / T'Jampens, S / Tobin, M / Tolk, S / Tomassetti, L / Tonelli, D / Torres Machado, D / Tou, D Y / Tournefier, E / Traill, M / Tran, M T / Trippl, C / Trisovic, A / Tsaregorodtsev, A / Tuci, G / Tully, A / Tuning, N / Ukleja, A / Usachov, A / Ustyuzhanin, A / Uwer, U / Vagner, A / Vagnoni, V / Valassi, A / Valenti, G / van Beuzekom, M / Van Hecke, H / van Herwijnen, E / Van Hulse, C B / van Veghel, M / Vazquez Gomez, R / Vazquez Regueiro, P / Vázquez Sierra, C / Vecchi, S / Velthuis, J J / Veltri, M / Venkateswaran, A / Vernet, M / Veronesi, M / Vesterinen, M / Viana Barbosa, J V / Vieira, D / Vieites Diaz, M / Viemann, H / Vilasis-Cardona, X / Vitkovskiy, A / Vollhardt, A / Vom Bruch, D / Vorobyev, A / Vorobyev, V / Voropaev, N / Waldi, R / Walsh, J / Wang, J / Wang, M / Wang, Y / Wang, Z / Ward, D R / Wark, H M / Watson, N K / Websdale, D / Weiden, A / Weisser, C / Westhenry, B D C / White, D J / Whitehead, M / Wiedner, D / Wilkinson, G / Wilkinson, M / Williams, I / Williams, M / Williams, M R J / Williams, T / Wilson, F F / Wislicki, W / Witek, M / Witola, L / Wormser, G / Wotton, S A / Wu, H / Wyllie, K / Xiang, Z / Xiao, D / Xie, Y / Xing, H / Xu, A / Xu, L / Xu, M / Xu, Q / Xu, Z / Yang, Z / Yao, Y / Yeomans, L E / Yin, H / Yu, J / Yuan, X / Yushchenko, O / Zarebski, K A / Zavertyaev, M / Zdybal, M / Zeng, M / Zhang, D / Zhang, L / Zhang, S / Zhang, W C / Zhang, Y / Zhelezov, A / Zheng, Y / Zhou, X / Zhou, Y / Zhu, X / Zhukov, V / Zonneveld, J B / Zucchelli, S

    Physical review letters

    2020  Volume 125, Issue 23, Page(s) 231801

    Abstract: A search for the decay K_{S}^{0}→μ^{+}μ^{-} is performed using proton-proton collision data, corresponding to an integrated luminosity of 5.6  fb^{-1} and collected with the LHCb experiment during 2016, 2017, and 2018 at a center-of-mass energy of 13 TeV. ...

    Abstract A search for the decay K_{S}^{0}→μ^{+}μ^{-} is performed using proton-proton collision data, corresponding to an integrated luminosity of 5.6  fb^{-1} and collected with the LHCb experiment during 2016, 2017, and 2018 at a center-of-mass energy of 13 TeV. The observed signal yield is consistent with zero, yielding an upper limit of B(K_{S}^{0}→μ^{+}μ^{-})<2.2×10^{-10} at 90% C.L.. The limit reduces to B(K_{S}^{0}→μ^{+}μ^{-})<2.1×10^{-10} at 90% C.L. once combined with the result from data taken in 2011 and 2012.
    Language English
    Publishing date 2020-12-17
    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.125.231801
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Measurement of f_{s}/f_{u} Variation with Proton-Proton Collision Energy and B-Meson Kinematics.

    Aaij, R / Abellán Beteta, C / Adeva, B / Adinolfi, M / Aidala, C A / Ajaltouni, Z / Akar, S / Albicocco, P / Albrecht, J / Alessio, F / Alexander, M / Alfonso Albero, A / Alkhazov, G / Alvarez Cartelle, P / Alves, A A / Amato, S / Amhis, Y / An, L / Anderlini, L /
    Andreassi, G / Andreotti, M / Andrews, J E / Archilli, F / Arnau Romeu, J / Artamonov, A / Artuso, M / Arzymatov, K / Aslanides, E / Atzeni, M / Audurier, B / Bachmann, S / Back, J J / Baker, S / Balagura, V / Baldini, W / Baranov, A / Barlow, R J / Barsuk, S / Barter, W / Bartolini, M / Baryshnikov, F / Batozskaya, V / Batsukh, B / Battig, A / Battista, V / Bay, A / Bedeschi, F / Bediaga, I / Beiter, A / Bel, L J / Belavin, V / Belin, S / Beliy, N / Bellee, V / Belous, K / Belyaev, I / Bencivenni, G / Ben-Haim, E / Benson, S / Beranek, S / Berezhnoy, A / Bernet, R / Berninghoff, D / Bernstein, H C / Bertholet, E / Bertolin, A / Betancourt, C / Betti, F / Bettler, M O / Bezshyiko, Ia / Bhasin, S / Bhom, J / Bieker, M S / Bifani, S / Billoir, P / Birnkraut, A / Bizzeti, A / Bjørn, M / Blago, M P / Blake, T / Blanc, F / Blusk, S / Bobulska, D / Bocci, V / Boente Garcia, O / Boettcher, T / Boldyrev, A / Bondar, A / Bondar, N / Borghi, S / Borisyak, M / Borsato, M / Boubdir, M / Bowcock, T J V / Bozzi, C / Braun, S / Brea Rodriguez, A / Brodski, M / Brodzicka, J / Brossa Gonzalo, A / Brundu, D / Buchanan, E / Buonaura, A / Burr, C / Bursche, A / Butter, J S / Buytaert, J / Byczynski, W / Cadeddu, S / Cai, H / Calabrese, R / Cali, S / Calladine, 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 / Carvalho Akiba, K / Casais Vidal, A / Casse, G / Cattaneo, M / Cavallero, G / Cenci, R / Chapman, M G / Charles, M / Charpentier, Ph / Chatzikonstantinidis, G / Chefdeville, M / Chekalina, V / Chen, C / Chen, S / Chitic, S-G / Chobanova, V / Chrzaszcz, M / Chubykin, A / Ciambrone, P / Cid Vidal, X / Ciezarek, G / Cindolo, F / Clarke, P E L / Clemencic, M / Cliff, H V / Closier, J / Cobbledick, J L / Coco, V / Coelho, J A B / Cogan, J / Cogneras, E / Cojocariu, L / Collins, P / Colombo, T / Comerma-Montells, A / Contu, A / Cooke, N / Coombs, G / Coquereau, S / Corti, G / Costa Sobral, C M / Couturier, B / Cowan, G A / Craik, D C / Crocombe, A / Cruz Torres, M / Currie, R / Da Silva, C L / Dall'Occo, E / Dalseno, J / D'Ambrosio, C / Danilina, A / d'Argent, P / 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 / de Vries, J A / Dean, C T / Dean, W / Decamp, D / Del Buono, L / Delaney, B / Dembinski, H-P / Demmer, M / Dendek, A / Denysenko, V / Derkach, D / Deschamps, O / Desse, F / Dettori, F / Dey, B / Di Canto, A / Di Nezza, P / Didenko, S / Dijkstra, H / Dordei, F / Dorigo, M / Dos Reis, A C / Dosil Suárez, A / Douglas, L / Dovbnya, A / Dreimanis, K / Dufour, L / Dujany, G / Durante, P / Durham, J M / Dutta, D / Dzhelyadin, R / Dziewiecki, M / Dziurda, A / Dzyuba, A / Easo, S / Egede, U / Egorychev, V / Eidelman, S / Eisenhardt, S / Eitschberger, U / Ekelhof, R / Ek-In, S / Eklund, L / Ely, S / Ene, A / Escher, S / Esen, S / Evans, T / Falabella, A / Färber, C / Farley, N / Farry, S / Fazzini, D / Féo, M / Fernandez Declara, P / Fernandez Prieto, A / Ferrari, F / Ferreira Lopes, L / Ferreira Rodrigues, F / Ferreres Sole, S / Ferro-Luzzi, M / Filippov, S / Fini, R A / Fiorini, M / Firlej, M / Fitzpatrick, C / Fiutowski, T / Fleuret, F / Fontana, M / Fontanelli, F / Forty, R / Franco Lima, V / Franco Sevilla, M / Frank, M / Frei, C / Fu, J / Funk, W / Gabriel, E / Gallas Torreira, A / Galli, D / Gallorini, S / Gambetta, S / Gan, Y / Gandelman, M / Gandini, P / Gao, Y / Garcia Martin, L M / García Pardiñas, J / Garcia Plana, B / Garra Tico, J / Garrido, L / Gascon, D / Gaspar, C / Gazzoni, G / Gerick, D / Gersabeck, E / Gersabeck, M / Gershon, T / Gerstel, D / Ghez, Ph / Gibson, V / Gioventù, A / Girard, O G / Gironella Gironell, P / Giubega, L / Gizdov, K / Gligorov, V V / Göbel, C / Golubkov, D / Golutvin, A / Gomes, A / Gorelov, I V / Gotti, C / Govorkova, E / Grabowski, J P / Graciani Diaz, R / Granado Cardoso, L A / Graugés, E / Graverini, E / Graziani, G / Grecu, A / Greim, R / Griffith, P / Grillo, L / Gruber, L / Gruberg Cazon, B R / Gu, C / Gushchin, E / Guth, A / Guz, Yu / Gys, T / Hadavizadeh, T / Hadjivasiliou, C / Haefeli, G / Haen, C / Haines, S C / Hamilton, P M / Han, Q / Han, X / Hancock, T H / Hansmann-Menzemer, S / Harnew, N / Harrison, T / Hasse, C / Hatch, M / He, J / Hecker, M / Heijhoff, K / Heinicke, K / Heister, A / Hennessy, K / Henry, L / Heß, M / Heuel, J / Hicheur, A / Hidalgo Charman, R / Hill, D / Hilton, M / Hopchev, P H / Hu, J / Hu, W / Huang, W / Huard, Z C / Hulsbergen, W / Humair, T / Hushchyn, M / Hutchcroft, D / Hynds, D / Ibis, P / Idzik, M / Ilten, P / Inglessi, A / Inyakin, A / Ivshin, K / Jacobsson, R / Jakobsen, S / Jalocha, J / Jans, E / Jashal, B K / Jawahery, A / Jiang, F / John, M / Johnson, D / Jones, C R / Joram, C / Jost, B / Jurik, N / Kandybei, S / Karacson, M / Kariuki, J M / Karodia, S / Kazeev, N / Kecke, M / Keizer, F / Kelsey, M / Kenzie, M / Ketel, T / 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    Physical review letters

    2020  Volume 124, Issue 12, Page(s) 122002

    Abstract: The ratio of the B_{s}^{0} and B^{+} fragmentation fractions f_{s} and f_{u} is studied with B_{s}^{0}→J/ψϕ and B^{+}→J/ψK^{+} decays using data collected by the LHCb experiment in proton-proton collisions at 7, 8, and 13 TeV center-of-mass energies. The ...

    Abstract The ratio of the B_{s}^{0} and B^{+} fragmentation fractions f_{s} and f_{u} is studied with B_{s}^{0}→J/ψϕ and B^{+}→J/ψK^{+} decays using data collected by the LHCb experiment in proton-proton collisions at 7, 8, and 13 TeV center-of-mass energies. The analysis is performed in bins of B-meson momentum, longitudinal momentum, transverse momentum, pseudorapidity, and rapidity. The fragmentation-fraction ratio f_{s}/f_{u} is observed to depend on the B-meson transverse momentum with a significance of 6.0σ. This dependency is driven by the 13 TeV sample (8.7σ), while the results for the other collision energies are not significant when considered separately. Furthermore, the results show a 4.8σ evidence for an increase of f_{s}/f_{u} as a function of collision energy.
    Language English
    Publishing date 2020-04-13
    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.124.122002
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Search for A^{'}→μ^{+}μ^{-} Decays.

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Rodriguez Lopez, J A / Roehrken, M / Roiser, S / Rollings, A / Romanovskiy, V / Romero Lamas, M / Romero Vidal, A / Roth, J D / Rotondo, M / Rudolph, M S / Ruf, T / Ruiz Vidal, J / Ryzka, J / Saborido Silva, J J / Sagidova, N / Saitta, B / Sanchez Gras, C / Sanchez Mayordomo, C / Sanmartin Sedes, B / Santacesaria, R / Santamarina Rios, C / Santimaria, M / Santovetti, E / Sarpis, G / Sarti, A / Satriano, C / Satta, A / Saur, M / Savrina, D / Scantlebury Smead, L G / Schael, S / Schellenberg, M / Schiller, M / Schindler, H / Schmelling, M / Schmelzer, T / Schmidt, B / Schneider, O / Schopper, A / Schreiner, H F / Schubiger, M / Schulte, S / Schune, M H / Schwemmer, R / Sciascia, B / Sciubba, A / Sellam, S / Semennikov, A / Sergi, A / Serra, N / Serrano, J / Sestini, L / Seuthe, A / Seyfert, P / Shangase, D M / Shapkin, M / Shears, T / Shekhtman, L / Shevchenko, V / Shmanin, E / Shupperd, J D / Siddi, B G / Silva Coutinho, R / Silva de Oliveira, L / Simi, G / Simone, S / Skiba, I / Skidmore, N / Skwarnicki, T / Slater, M W / Smeaton, J G / Smetkina, A / Smith, E / Smith, I T / Smith, M / Snoch, A / Soares, M / Soares Lavra, L / Sokoloff, M D / Soler, F J P / Souza De Paula, B / Spaan, B / Spadaro Norella, E / Spradlin, P / Stagni, F / Stahl, M / Stahl, S / Stefko, P / Stefkova, S / Steinkamp, O / Stemmle, S / Stenyakin, O / Stepanova, M / Stevens, H / Stone, S / Stracka, S / Stramaglia, M E / Straticiuc, M / Strokov, S / Sun, J / Sun, L / Sun, Y / Svihra, P / Swientek, K / Szabelski, A / Szumlak, T / Szymanski, M / Taneja, S / Tang, Z / Tekampe, T / Tellarini, G / Teubert, F / Thomas, E / Thomson, K A / Tilley, M J / Tisserand, V / T'Jampens, S / Tobin, M / Tolk, S / Tomassetti, L / Tonelli, D / Tou, D Y / Tournefier, E / Traill, M / Tran, M T / Trippl, C / Trisovic, A / Tsaregorodtsev, A / Tuci, G / Tully, A / Tuning, N / Ukleja, A / Usachov, A / Ustyuzhanin, A / Uwer, U / Vagner, A / Vagnoni, V / Valassi, A / Valenti, G / van Beuzekom, M / Van Hecke, H / van Herwijnen, E / Van Hulse, C B / van Tilburg, J / van Veghel, M / Vazquez Gomez, R / Vazquez Regueiro, P / Vázquez Sierra, C / Vecchi, S / Velthuis, J J / Veltri, M / Venkateswaran, A / Vernet, M / Veronesi, M / Vesterinen, M / Viana Barbosa, J V / Vieira, D / Vieites Diaz, M / Viemann, H / Vilasis-Cardona, X / Vitkovskiy, A / Volkov, V / Vollhardt, A / Vom Bruch, D / Vorobyev, A / Vorobyev, V / Voropaev, N / Waldi, R / Walsh, J / Wang, J / Wang, M / Wang, Y / Wang, Z / Ward, D R / Wark, H M / Watson, N K / Websdale, D / Weiden, A / Weisser, C / Westhenry, B D C / White, D J / Whitehead, M / Wiedner, D / Wilkinson, G / Wilkinson, M / Williams, I / Williams, M / Williams, M R J / Williams, T / Wilson, F F / Winn, M / Wislicki, W / Witek, M / Wormser, G / Wotton, S A / Wu, H / Wyllie, K / Xiang, Z / Xiao, D / Xie, Y / Xing, H / Xu, A / Xu, L / Xu, M / Xu, Q / Xu, Z / Yang, Z / Yao, Y / Yeomans, L E / Yin, H / Yu, J / Yuan, X / Yushchenko, O / Zarebski, K A / Zavertyaev, M / Zdybal, M / Zeng, M / Zhang, D / Zhang, L / Zhang, S / Zhang, W C / Zhang, Y / Zhelezov, A / Zheng, Y / Zhou, X / Zhou, Y / Zhu, X / Zhukov, V / Zonneveld, J B / Zucchelli, S

    Physical review letters

    2020  Volume 124, Issue 4, Page(s) 41801

    Abstract: Searches are performed for both promptlike and long-lived dark photons, A^{'}, produced in proton-proton collisions at a center-of-mass energy of 13 TeV. These searches look for A^{'}→μ^{+}μ^{-} decays using a data sample corresponding to an integrated ... ...

    Abstract Searches are performed for both promptlike and long-lived dark photons, A^{'}, produced in proton-proton collisions at a center-of-mass energy of 13 TeV. These searches look for A^{'}→μ^{+}μ^{-} decays using a data sample corresponding to an integrated luminosity of 5.5  fb^{-1} collected with the LHCb detector. Neither search finds evidence for a signal, and 90% confidence-level exclusion limits are placed on the γ-A^{'} kinetic mixing strength. The promptlike A^{'} search explores the mass region from near the dimuon threshold up to 70 GeV and places the most stringent constraints to date on dark photons with 214<m(A^{'})≲740  MeV and 10.6<m(A^{'})≲30  GeV. The search for long-lived A^{'}→μ^{+}μ^{-} decays places world-leading constraints on low-mass dark photons with lifetimes O(1)  ps.<br />
    Language English
    Publishing date 2020-01-30
    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.124.041801
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Observation of Several Sources of CP Violation in B^{+}→π^{+}π^{+}π^{-} Decays.

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S / Fazzini, D / Féo, M / Fernandez Declara, P / Fernandez Prieto, A / Ferrari, F / Ferreira Lopes, L / Ferreira Rodrigues, F / Ferreres Sole, S / Ferro-Luzzi, M / Filippov, S / Fini, R A / Fiorini, M / Firlej, M / Fitzpatrick, C / Fiutowski, T / Fleuret, F / Fontana, M / Fontanelli, F / Forty, R / Franco Lima, V / Franco Sevilla, M / Frank, M / Frei, C / Fu, J / Funk, W / Gabriel, E / Gallas Torreira, A / Galli, D / Gallorini, S / Gambetta, S / Gan, Y / Gandelman, M / Gandini, P / Gao, Y / Garcia Martin, L M / García Pardiñas, J / Garcia Plana, B / Garra Tico, J / Garrido, L / Gascon, D / Gaspar, C / Gazzoni, G / Gerick, D / Gersabeck, E / Gersabeck, M / Gershon, T / Gerstel, D / Ghez, Ph / Gibson, V / Gioventù, A / Girard, O G / Gironella Gironell, P / Giubega, L / Gizdov, K / Gligorov, V V / Göbel, C / Golubkov, D / Golutvin, A / Gomes, A / Gorelov, I V / Gotti, C / Govorkova, E / Grabowski, J P / Graciani Diaz, R / Granado Cardoso, L A / Graugés, E / Graverini, E / Graziani, G / 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Wang, Y / Wang, Z / Ward, D R / Wark, H M / Watson, N K / Websdale, D / Weiden, A / Weisser, C / Whitehead, M / Wilkinson, G / Wilkinson, M / Williams, I / Williams, M / Williams, M R J / Williams, T / Wilson, F F / Winn, M / Wislicki, W / Witek, M / Wormser, G / Wotton, S A / Wyllie, K / Xiang, Z / Xiao, D / Xie, Y / Xing, H / Xu, A / Xu, L / Xu, M / Xu, Q / Xu, Z / Yang, Z / Yao, Y / Yeomans, L E / Yin, H / Yu, J / Yuan, X / Yushchenko, O / Zarebski, K A / Zavertyaev, M / Zeng, M / Zhang, D / Zhang, L / Zhang, S / Zhang, W C / Zhang, Y / Zhelezov, A / Zheng, Y / Zhou, Y / Zhu, X / Zhukov, V / Zonneveld, J B / Zucchelli, S

    Physical review letters

    2020  Volume 124, Issue 3, Page(s) 31801

    Abstract: Observations are reported of different sources of CP violation from an amplitude analysis of B^{+}→π^{+}π^{+}π^{-} decays, based on a data sample corresponding to an integrated luminosity of 3  fb^{-1} of pp collisions recorded with the LHCb detector. A ... ...

    Abstract Observations are reported of different sources of CP violation from an amplitude analysis of B^{+}→π^{+}π^{+}π^{-} decays, based on a data sample corresponding to an integrated luminosity of 3  fb^{-1} of pp collisions recorded with the LHCb detector. A large CP asymmetry is observed in the decay amplitude involving the tensor f_{2}(1270) resonance, and in addition significant CP violation is found in the π^{+}π^{-}S wave at low invariant mass. The presence of CP violation related to interference between the π^{+}π^{-}S wave and the P wave B^{+}→ρ(770)^{0}π^{+} amplitude is also established; this causes large local asymmetries but cancels when integrated over the phase space of the decay. The results provide both qualitative and quantitative new insights into CP -violation effects in hadronic B decays.
    Language English
    Publishing date 2020-02-11
    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.124.031801
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Search for Lepton-Flavor Violating Decays B^{+}→K^{+}μ^{±}e^{∓}.

    Aaij, R / Abellán Beteta, C / Ackernley, T / Adeva, B / Adinolfi, M / Aidala, C A / Ajaltouni, Z / Akar, S / Albicocco, P / Albrecht, J / Alessio, F / Alexander, M / Alfonso Albero, A / Alkhazov, G / Alvarez Cartelle, P / Alves, A A / Amato, S / Amhis, Y / An, L /
    Anderlini, L / Andreassi, G / Andreotti, M / Andrews, J E / Archilli, F / d'Argent, P / Arnau Romeu, J / Artamonov, A / Artuso, M / Arzymatov, K / Aslanides, E / Atzeni, M / Audurier, B / Bachmann, S / Back, J J / Baker, S / Balagura, V / Baldini, W / Baranov, A / Barlow, R J / Barsuk, S / Barter, W / Bartolini, M / Baryshnikov, F / Batozskaya, V / Batsukh, B / Battig, A / Battista, V / Bay, A / Becker, M / Bedeschi, F / Bediaga, I / Beiter, A / Bel, L J / Belavin, V / Belin, S / Beliy, N / Bellee, V / Belous, K / Belyaev, I / Ben-Haim, E / Bencivenni, G / Benson, S / Beranek, S / Berezhnoy, A / Bernet, R / Berninghoff, D / Bertholet, E / Bertolin, A / Betancourt, C / Betti, F / Bettler, M O / van Beuzekom, M / Bezshyiko, Ia / Bhasin, S / Bhom, J / Bieker, M S / Bifani, S / Billoir, P / Birnkraut, A / Bizzeti, A / Bjørn, M / Blago, M P / Blake, T / Blanc, F / Blusk, S / Bobulska, D / Bocci, V / Boente Garcia, O / Boettcher, T / Boldyrev, A / Bondar, A / Bondar, N / Borghi, S / Borisyak, M / Borsato, M / Borsuk, J T / Boubdir, M / Bowcock, T J V / Bozzi, C / Braun, S / Brea Rodriguez, A / Brodski, M / Brodzicka, J / Brossa Gonzalo, A / Brundu, D / Buchanan, E / Buonaura, A / Burr, C / Bursche, A / Butter, J S / Buytaert, J / Byczynski, W / Cadeddu, S / Cai, H / Calabrese, R / Cali, S / Calladine, 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 / Carvalho Akiba, K / Casais Vidal, A / Casse, G / Cattaneo, M / Cavallero, G / Cenci, R / Chapman, M G / Charles, M / Charpentier, Ph / Chatzikonstantinidis, G / Chefdeville, M / Chekalina, V / Chen, C / Chen, S / Chernov, A / Chitic, S-G / Chobanova, V / Chrzaszcz, M / Chubykin, A / Ciambrone, P / Cicala, M F / Cid Vidal, X / Ciezarek, G / Cindolo, F / Clarke, P E L / Clemencic, M / Cliff, H V / Closier, J / Cobbledick, J L / Coco, V / Coelho, J A B / Cogan, J / Cogneras, E / Cojocariu, L / Collins, P / Colombo, T / Comerma-Montells, A / Contu, A / Cooke, N / Coombs, G / Coquereau, S / Corti, G / Costa Sobral, C M / Couturier, B / Cowan, G A / Craik, D C / Crocombe, A / Cruz Torres, M / Currie, R / D'Ambrosio, C / Da Silva, C L / Dall'Occo, E / Dalseno, J / Danilina, A / 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 / Dean, W / Decamp, D / Del Buono, L / Delaney, B / Dembinski, H-P / Demmer, M / Dendek, A / Denysenko, V / Derkach, D / Deschamps, O / Desse, F / Dettori, F / Dey, B / Di Canto, A / Di Nezza, P / Didenko, S / Dijkstra, H / Dordei, F / Dorigo, M / Dosil Suárez, A / Douglas, L / Dovbnya, A / Dreimanis, K / Dudek, M W / Dufour, L / Dujany, G / Durante, P / Durham, J M / Dutta, D / Dzhelyadin, R / Dziewiecki, M / Dziurda, A / Dzyuba, A / Easo, S / Egede, U / Egorychev, V / Eidelman, S / Eisenhardt, S / Eitschberger, U / Ek-In, S / Ekelhof, R / Eklund, L / Ely, S / Ene, A / Escher, S / Esen, S / Evans, T / Falabella, A / Farley, N / Farry, S / Fazzini, D / Fernandez Declara, P / Fernandez Prieto, A / Ferrari, F / Ferreira Lopes, L / Ferreira Rodrigues, F / Ferreres Sole, S / Ferro-Luzzi, M / Filippov, S / Fini, R A / Fiorini, M / Firlej, M / Fischer, K M / Fitzpatrick, C / Fiutowski, T / Fleuret, F / Fontana, M / Fontanelli, F / Forty, R / Franco Lima, V / Franco Sevilla, M / Frank, M / Frei, C / Friday, D A / Fu, J / Funk, W / Féo, M / Gabriel, E / Gallas Torreira, A / Galli, D / Gallorini, S / Gambetta, S / Gan, Y / Gandelman, M / Gandini, P / Gao, Y / Garcia Martin, L M / Garcia Plana, B / Garcia Rosales, F A / García Pardiñas, J / Garra Tico, J / Garrido, L / Gascon, D / Gaspar, C / Gazzoni, G / Gerick, D / Gersabeck, E / Gersabeck, M / Gershon, T / Gerstel, D / Ghez, Ph / Gibson, V / Gioventù, A / Girard, O G / Gironell, P Gironella / Giubega, L / Gizdov, K / Gligorov, V V / Golubkov, D / Golutvin, A / Gomes, A / Gorelov, I V / Gotti, C / Govorkova, E / Grabowski, J P / Graciani Diaz, R / Grammatico, T / Granado Cardoso, L A / Graugés, E / Graverini, E / Graziani, G / Grecu, A / Greim, R / Griffith, P / Grillo, L / Gruber, L / Gruberg Cazon, B R / Gu, C / Guo, X / Gushchin, E / Guth, A / Guz, Yu / Gys, T / Göbel, C / Hadavizadeh, T / Hadjivasiliou, C / Haefeli, G / Haen, C / Haines, S C / Hamilton, P M / Han, Q / Han, X / Hancock, T H / Hansmann-Menzemer, S / Harnew, N / Harrison, T / Hasse, C / Hatch, M / He, J / Hecker, M / Heijhoff, K / Heinicke, K / Heister, A / Hennessy, K / Henry, L / van Herwijnen, E / Heuel, J / Heß, M / Hicheur, A / Hidalgo Charman, R / Hill, D / Hilton, M / Hopchev, P H / Hu, J / Hu, W / Huang, W / Huard, Z C / Hulsbergen, W / Humair, T / Hunter, R J / Hushchyn, M / Hutchcroft, D / Hynds, D / Ibis, P / Idzik, M / Ilten, P / Inglessi, A / Inyakin, A / Ivshin, K / Jacobsson, R / Jakobsen, S / Jalocha, J / Jans, E / Jashal, B K / Jawahery, A / Jiang, F / John, M / Johnson, D / Jones, C R / Jost, B / Jurik, N / Kandybei, S / Karacson, M / Kariuki, J M / Karodia, S / Kazeev, N / Kecke, M / Keizer, F / Kelsey, M / Kenzie, M / Ketel, T / Khanji, B / Kharisova, A / Khurewathanakul, C / Kim, K E / Kirn, T / Kirsebom, V S / Klaver, S / Klimaszewski, K / Koliiev, S / Kolpin, M / Kondybayeva, A / Konoplyannikov, A / Kopciewicz, P / Kopecna, R / Koppenburg, P / Kostiuk, I / Kot, O / Kotriakhova, S / Kozeiha, M / Kravchuk, L / Kreps, M / Kress, F / Kretzschmar, S / Krokovny, P / Krupa, W / Krzemien, W / Kucewicz, W / Kucharczyk, M / Kudryavtsev, V / Kuindersma, H S / Kunde, G J / Kuonen, A K / Kvaratskheliya, T / Lacarrere, D / Lafferty, G / Lai, A / Lancierini, D / Lane, J J / Lanfranchi, G / Langenbruch, C / Latham, T / Lazzari, F / Lazzeroni, C / Le Gac, R / Leflat, A / Lefèvre, R / Lemaitre, F / Leroy, O / Lesiak, T / Leverington, B / Li, H / Li, P-R / Li, X / Li, Y / Li, Z / Liang, X / Likhomanenko, T / Lindner, R / Ling, P / Lionetto, F / Lisovskyi, V / Liu, G / Liu, X / Loh, D / Loi, A / Lomba Castro, J / Longstaff, I / Lopes, J H / Loustau, G / Lovell, G H / Lucchesi, D / Lucio Martinez, M / Luo, Y / Lupato, A / Luppi, E / Lupton, O / Lusiani, A / Lyu, X / Ma, R / Machefert, F / Maciuc, F / Macko, V / Mackowiak, P / Maddrell-Mander, S / Madhan Mohan, L R / Maev, O / Maevskiy, A / Maguire, K / Maisuzenko, D / Majewski, M W / Malde, S / Malecki, B / Malinin, A / Maltsev, T / Malygina, H / Manca, G / Mancinelli, G / Marangotto, D / Maratas, J / Marchand, J F / Marconi, U / Marin Benito, C / Marinangeli, M / Marino, P / Marks, J / Marshall, P J / Martellotti, G / Martinazzoli, L / Martinelli, M / Martinez Santos, D / Martinez Vidal, F / Massafferri, A / Materok, M / Matev, R / Mathad, A / Mathe, Z / Matiunin, V / Matteuzzi, C / Mattioli, K R / Mauri, A / Maurice, E / Maurin, B / McCann, M / Mcconnell, L / McNab, A / McNulty, R / Mead, J V / Meadows, B / Meaux, C / Meier, G / Meinert, N / Melnychuk, D / Merk, M / Merli, A / Michielin, E / Milanes, D A / Millard, E / Minard, M-N / Mineev, O / Minzoni, L / Mitchell, S E / Mitreska, B / Mitzel, D S / Mogini, A / Moise, R D / Mombächer, T / Monroy, I A / Monteil, S / Morandin, M / Morello, G / Morello, M J / Moron, J / Morris, A B / Morris, A G / Mountain, R / Mu, H / Muheim, F / Mukherjee, M / Mulder, M / Murphy, C H / Murray, D / Mödden, A / Müller, D / Müller, J / Müller, K / Müller, V / Naik, P / Nakada, T / Nandakumar, R / Nandi, A / Nanut, T / Nasteva, I / Needham, M / Neri, N / Neubert, S / Neufeld, N / Newcombe, R / Nguyen, T D / Nguyen-Mau, C / Niel, E M / Nieswand, S / Nikitin, N / Nolte, N S / O'Hanlon, D P / Oblakowska-Mucha, A / Obraztsov, V / Ogilvy, S / Oldeman, R / Onderwater, C J G / Osborn, J D / Ossowska, A / Otalora Goicochea, J M / Ovsiannikova, T / Owen, P / Oyanguren, A / Pais, P R / Pajero, T / Palano, A / Palutan, M / Panshin, G / Papanestis, A / Pappagallo, M / Pappalardo, L L / Parker, W / Parkes, C / Passaleva, G / Pastore, A / Patel, M / Patrignani, C / Pearce, A / Pellegrino, A / Penso, G / Pepe Altarelli, M / Perazzini, S / Pereima, D / Perret, P / Pescatore, L / Petridis, K / Petrolini, A / Petrov, A / Petrucci, S / Petruzzo, M / Pietrzyk, B / Pietrzyk, G / Pikies, M / Pili, M / Pinci, D / Pinzino, J / Pisani, F / Piucci, A / Placinta, V / Playfer, S / Plews, J / Plo Casasus, M / Polci, F / Lener, M Poli / Poliakova, M / Poluektov, A / Polukhina, N / Polyakov, I / Polycarpo, E / Pomery, G J / Ponce, S / Popov, A / Popov, D / Poslavskii, S / Prasanth, K / Prouve, C / Pugatch, V / Puig Navarro, A / Pullen, H / Punzi, G / Qian, W / Qin, J / Quagliani, R / Quintana, B / Raab, N V / Rachwal, B / Rademacker, J H / Rama, M / Ramos Pernas, M / Rangel, M S / Ratnikov, F / Raven, G / Ravonel Salzgeber, M / Reboud, M / Redi, F / Reichert, S / Reis, A C Dos / Reiss, F / Remon Alepuz, C / Ren, Z / Renaudin, V / Ricciardi, S / Richards, S / Rinnert, K / Robbe, P / Robert, A / Rodrigues, A B / Rodrigues, E / Rodriguez Lopez, J A / Roehrken, M / Roiser, S / 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B / Zucchelli, S

    Physical review letters

    2020  Volume 123, Issue 24, Page(s) 241802

    Abstract: A search for the lepton-flavor violating decays B^{+}→K^{+}μ^{±}e^{∓} is performed using a sample of proton-proton collision data, collected with the LHCb experiment at center-of-mass energies of 7 and 8 TeV and corresponding to an integrated luminosity ... ...

    Abstract A search for the lepton-flavor violating decays B^{+}→K^{+}μ^{±}e^{∓} is performed using a sample of proton-proton collision data, collected with the LHCb experiment at center-of-mass energies of 7 and 8 TeV and corresponding to an integrated luminosity of 3  fb^{-1}. No significant signal is observed, and upper limits on the branching fractions are set as B(B^{+}→K^{+}μ^{-}e^{+})<7.0(9.5)×10^{-9} and B(B^{+}→K^{+}μ^{+}e^{-})<6.4(8.8)×10^{-9} at 90% (95)% confidence level. The results improve the current best limits on these decays by more than one order of magnitude.
    Language English
    Publishing date 2020-01-10
    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.123.241802
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Observation of B_{(s)}^{0}→J/ψpp[over ¯] Decays and Precision Measurements of the B_{(s)}^{0} Masses.

    Aaij, R / Abellán Beteta, C / Adeva, B / Adinolfi, M / Aidala, C A / Ajaltouni, Z / Akar, S / Albicocco, P / Albrecht, J / Alessio, F / Alexander, M / Alfonso Albero, A / 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 / Archilli, F / Arnau Romeu, J / Artamonov, A / Artuso, M / Arzymatov, K / Aslanides, E / Atzeni, M / Audurier, B / Bachmann, S / Back, J J / Baker, S / Balagura, V / Baldini, W / Baranov, A / Barlow, R J / Barrand, G C / Barsuk, S / Barter, W / Bartolini, M / Baryshnikov, F / Batozskaya, V / Batsukh, B / Battig, A / Battista, V / Bay, A / Beddow, J / Bedeschi, F / Bediaga, I / Beiter, A / Bel, L J / Belin, S / Beliy, N / Bellee, V / Belloli, N / Belous, K / Belyaev, I / Bencivenni, G / Ben-Haim, E / Benson, S / Beranek, S / Berezhnoy, A / Bernet, R / Berninghoff, D / Bertholet, E / Bertolin, A / Betancourt, C / Betti, F / Bettler, M O / Bezshyiko, Ia / Bhasin, S / Bhom, J / Bieker, M S / Bifani, S / Billoir, P / Birnkraut, A / Bizzeti, A / Bjørn, M / Blago, M P / Blake, T / Blanc, F / Blusk, S / Bobulska, D / Bocci, V / Boente Garcia, O / Boettcher, T / Bondar, A / Bondar, N / Borghi, S / Borisyak, M / Borsato, M / Boubdir, M / Bowcock, T J V / Bozzi, C / Braun, S / Brodski, M / Brodzicka, J / Brossa Gonzalo, A / Brundu, D / Buchanan, E / Buonaura, A / Burr, C / Bursche, A / Buytaert, J / Byczynski, W / Cadeddu, S / Cai, H / Calabrese, R / Calladine, 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 / Carvalho Akiba, K / Casse, G / Cattaneo, M / Cavallero, G / Cenci, R / Chamont, D / Chapman, M G / Charles, M / Charpentier, Ph / Chatzikonstantinidis, G / Chefdeville, M / Chekalina, V / Chen, C / Chen, S / Chitic, S-G / Chobanova, V / Chrzaszcz, M / Chubykin, A / Ciambrone, P / Cid Vidal, X / Ciezarek, G / Cindolo, F / Clarke, P E L / Clemencic, M / Cliff, H V / Closier, J / Coco, V / Coelho, J A B / Cogan, J / Cogneras, E / Cojocariu, L / Collins, P / Colombo, T / Comerma-Montells, A / Contu, 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 / Currie, R / Da Cunha Marinho, F / Da Silva, C L / Dall'Occo, E / Dalseno, J / D'Ambrosio, C / Danilina, A / d'Argent, P / 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 / de Vries, J A / Dean, C T / Dean, W / Decamp, D / Del Buono, L / Delaney, B / Dembinski, H-P / Demmer, M / Dendek, A / Derkach, D / Deschamps, O / Desse, F / Dettori, F / Dey, B / Di Canto, A / Di Nezza, P / Didenko, S / Dijkstra, H / Dordei, F / Dorigo, M / Dos Reis, A C / Dosil Suárez, A / Douglas, L / Dovbnya, A / Dreimanis, K / Dufour, L / Dujany, G / Durante, P / Durham, J M / Dutta, D / Dzhelyadin, R / Dziewiecki, M / Dziurda, A / Dzyuba, A / Easo, S / Egede, U / Egorychev, V / Eidelman, S / Eisenhardt, S / Eitschberger, U / Ekelhof, R / Eklund, L / Ely, S / Ene, A / Escher, S / Esen, S / Evans, T / Falabella, A / Färber, C / Farley, N / Farry, S / Fazzini, D / Féo, M / Fernandez Declara, 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    Physical review letters

    2019  Volume 122, Issue 19, Page(s) 191804

    Abstract: The first observation of the decays B_{(s)}^{0}→J/ψpp[over ¯] is reported, using proton-proton collision data corresponding to an integrated luminosity of 5.2  fb^{-1}, collected with the LHCb detector. These decays are suppressed due to limited ... ...

    Abstract The first observation of the decays B_{(s)}^{0}→J/ψpp[over ¯] is reported, using proton-proton collision data corresponding to an integrated luminosity of 5.2  fb^{-1}, collected with the LHCb detector. These decays are suppressed due to limited available phase space, as well as due to Okubo-Zweig-Iizuka or Cabibbo suppression. The measured branching fractions are B(B^{0}→J/ψpp[over ¯])=[4.51±0.40(stat)±0.44(syst)]×10^{-7}, B(B_{s}^{0}→J/ψpp[over ¯])=[3.58±0.19(stat)±0.39(syst)]×10^{-6}. For the B_{s}^{0} meson, the result is much higher than the expected value of O(10^{-9}). The small available phase space in these decays also allows for the most precise single measurement of both the B^{0} mass as 5279.74±0.30(stat)±0.10(syst)  MeV and the B_{s}^{0} mass as 5366.85±0.19(stat)±0.13(syst)  MeV.
    Language English
    Publishing date 2019-05-29
    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.122.191804
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Search for CP Violation in D_{s}^{+}→K_{S}^{0}π^{+}, D^{+}→K_{S}^{0}K^{+}, and D^{+}→ϕπ^{+} Decays.

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H / Schwemmer, R / Sciascia, B / Sciubba, A / Semennikov, A / Sepulveda, E S / Sergi, A / Serra, N / Serrano, J / Sestini, L / Seuthe, A / Seyfert, P / Shapkin, M / Shears, T / Shekhtman, L / Shevchenko, V / Shmanin, E / Siddi, B G / Silva Coutinho, R / Silva de Oliveira, L / Simi, G / Simone, S / Skiba, I / Skidmore, N / Skwarnicki, T / Slater, M W / Smeaton, J G / Smith, E / Smith, I T / Smith, M / Soares, M / Soares Lavra, L / Sokoloff, M D / Soler, F J P / Souza De Paula, B / Spaan, B / Spadaro Norella, E / Spradlin, P / Stagni, F / Stahl, M / Stahl, S / Stefko, P / Stefkova, S / Steinkamp, O / Stemmle, S / Stenyakin, O / Stepanova, M / Stevens, H / Stocchi, A / Stone, S / Stracka, S / Stramaglia, M E / Straticiuc, M / Straumann, U / Strokov, S / Sun, J / Sun, L / Sun, Y / Swientek, K / Szabelski, A / Szumlak, T / Szymanski, M / T'Jampens, S / Tang, Z / Tekampe, T / Tellarini, G / Teubert, F / Thomas, E / van Tilburg, J / Tilley, M J / Tisserand, V / Tobin, M / Tolk, S / Tomassetti, L / Tonelli, D / Tou, D Y / Tourinho Jadallah Aoude, R / Tournefier, E / Traill, M / Tran, M T / Trisovic, A / Tsaregorodtsev, A / Tuci, G / Tully, A / Tuning, N / Ukleja, A / Usachov, A / Ustyuzhanin, A / Uwer, U / Vagner, A / Vagnoni, V / Valassi, A / Valat, S / Valenti, G / Van Hecke, H / Van Hulse, C B / Vazquez Gomez, R / Vazquez Regueiro, P / Vecchi, S / van Veghel, M / Velthuis, J J / Veltri, M / Venkateswaran, A / Vernet, M / Veronesi, M / Vesterinen, M / Viana Barbosa, J V / Vieira, D / Vieites Diaz, M / Viemann, H / Vilasis-Cardona, X / Vitkovskiy, A / Vitti, M / Volkov, V / Vollhardt, A / Vom Bruch, D / Voneki, B / Vorobyev, A / Vorobyev, V / Voropaev, N / de Vries, J A / Vázquez Sierra, C / Waldi, R / Walsh, J / Wang, J / Wang, M / Wang, Y / Wang, Z / Ward, D R / Wark, H M / Watson, N K / Websdale, D / Weiden, A / Weisser, C / Whitehead, M / Wilkinson, G / Wilkinson, M / Williams, I / Williams, M R J / Williams, M / Williams, T / Wilson, F F / Winn, M / Wislicki, W / Witek, M / Wormser, G / Wotton, S A / Wyllie, K / Xiao, D / Xie, Y / Xing, H / Xu, A / Xu, M / Xu, Q / Xu, Z / Yang, Z / Yao, Y / Yeomans, L E / Yin, H / Yu, J / Yuan, X / Yushchenko, O / Zarebski, K A / Zavertyaev, M / Zeng, M / Zhang, D / Zhang, L / Zhang, W C / Zhang, Y / Zhelezov, A / Zheng, Y / Zhu, X / Zhukov, V / Zonneveld, J B / Zucchelli, S

    Physical review letters

    2019  Volume 122, Issue 19, Page(s) 191803

    Abstract: A search for charge-parity (CP) violation in Cabibbo-suppressed D_{s}^{+}→K_{S}^{0}π^{+}, D^{+}→K_{S}^{0}K^{+}, and D^{+}→ϕπ^{+} decays is reported using proton-proton collision data, corresponding to an integrated luminosity of 3.8  fb^{-1}, collected ... ...

    Abstract A search for charge-parity (CP) violation in Cabibbo-suppressed D_{s}^{+}→K_{S}^{0}π^{+}, D^{+}→K_{S}^{0}K^{+}, and D^{+}→ϕπ^{+} decays is reported using proton-proton collision data, corresponding to an integrated luminosity of 3.8  fb^{-1}, collected at a center-of-mass energy of 13 TeV with the LHCb detector. High-yield samples of kinematically and topologically similar Cabibbo-favored D_{(s)}^{+} decays are analyzed to subtract nuisance asymmetries due to production and detection effects, including those induced by CP violation in the neutral kaon system. The results areA_{CP}(D_{s}^{+}→K_{S}^{0}π^{+})=(1.3±1.9±0.5)×10^{-3},A_{CP}(D^{+}→K_{S}^{0}K^{+})=(-0.09±0.65±0.48)×10^{-3},A_{CP}(D^{+}→ϕπ^{+})=(0.05±0.42±0.29)×10^{-3},where the first uncertainties are statistical and the second systematic. They are the most precise measurements of these quantities to date, and are consistent with CP symmetry. A combination with previous LHCb measurements, based on data collected at 7 and 8 TeV, is also reported.
    Language English
    Publishing date 2019-05-31
    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.122.191803
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Search for Lepton-Universality Violation in B^{+}→K^{+}ℓ^{+}ℓ^{-} Decays.

    Aaij, R / Abellán Beteta, C / Adeva, B / Adinolfi, M / Aidala, C A / Ajaltouni, Z / Akar, S / Albicocco, P / Albrecht, J / Alessio, F / Alexander, M / Alfonso Albero, A / Alkhazov, G / Alvarez Cartelle, P / Alves, A A / Amato, S / Amhis, Y / An, L / Anderlini, L /
    Andreassi, G / Andreotti, M / Andrews, J E / Archilli, F / Arnau Romeu, J / Artamonov, A / Artuso, M / Arzymatov, K / Aslanides, E / Atzeni, M / Audurier, B / Bachmann, S / Back, J J / Baker, S / Balagura, V / Baldini, W / Baranov, A / Barlow, R J / Barsuk, S / Barter, W / Bartolini, M / Baryshnikov, F / Batozskaya, V / Batsukh, B / Battig, A / Battista, V / Bay, A / Bedeschi, F / Bediaga, I / Beiter, A / Bel, L J / Belin, S / Beliy, N / Bellee, V / Belloli, N / Belous, K / Belyaev, I / Bencivenni, G / Ben-Haim, E / Benson, S / Beranek, S / Berezhnoy, A / Bernet, R / Berninghoff, D / Bertholet, E / Bertolin, A / Betancourt, C / Betti, F / Bettler, M O / Bezshyiko, Ia / Bhasin, S / Bhom, J / Bieker, M S / Bifani, S / Billoir, P / Birnkraut, A / Bizzeti, A / Bjørn, M / Blago, M P / Blake, T / Blanc, F / Blusk, S / Bobulska, D / Bocci, V / Boente Garcia, O / Boettcher, T / Bondar, A / Bondar, N / Borghi, S / Borisyak, M / Borsato, M / Boubdir, M / Bowcock, T J V / Bozzi, C / Braun, S / Brodski, M / Brodzicka, J / Brossa Gonzalo, A / Brundu, D / Buchanan, E / Buonaura, A / Burr, C / Bursche, A / Butter, J / Buytaert, J / Byczynski, W / Cadeddu, S / Cai, H / Calabrese, R / Cali, S / Calladine, 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 / Carvalho Akiba, K / Casse, G / Cattaneo, M / Cavallero, G / Cenci, R / Chapman, M G / Charles, M / Charpentier, Ph / Chatzikonstantinidis, G / Chefdeville, M / Chekalina, V / Chen, C / Chen, S / Chitic, S-G / Chobanova, V / Chrzaszcz, M / Chubykin, A / Ciambrone, P / Cid Vidal, X / Ciezarek, G / Cindolo, F / Clarke, P E L / Clemencic, M / Cliff, H V / Closier, J / Coco, V / Coelho, J A B / Cogan, J / Cogneras, E / Cojocariu, L / Collins, P / Colombo, T / Comerma-Montells, A / Contu, A / Coombs, G / Coquereau, S / Corti, G / Costa Sobral, C M / Couturier, B / Cowan, G A / Craik, D C / Crocombe, A / Cruz Torres, M / Currie, R / Da Silva, C L / Dall'Occo, E / Dalseno, J / D'Ambrosio, C / Danilina, A / d'Argent, P / 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 / de Vries, J A / Dean, C T / Dean, W / Decamp, D / Del Buono, L / Delaney, B / Dembinski, H-P / Demmer, M / Dendek, A / Derkach, D / Deschamps, O / Desse, F / Dettori, F / Dey, B / Di Canto, A / Di Nezza, P / Didenko, S / Dijkstra, H / Dordei, F / Dorigo, M / Dos Reis, A C / Dosil Suárez, A / Douglas, L / Dovbnya, A / Dreimanis, K / Dufour, L / Dujany, G / Durante, P / Durham, J M / Dutta, D / Dzhelyadin, R / Dziewiecki, M / Dziurda, A / Dzyuba, A / Easo, S / Egede, U / Egorychev, V / Eidelman, S / Eisenhardt, S / Eitschberger, U / Ekelhof, R / Eklund, L / Ely, S / Ene, A / Escher, S / Esen, S / Evans, T / Falabella, A / Färber, C / Farley, N / Farry, S / Fazzini, D / Féo, M / Fernandez Declara, P / Fernandez Prieto, A / Ferrari, F / Ferreira Lopes, L / Ferreira Rodrigues, F / Ferreres Sole, S / Ferro-Luzzi, M / Filippov, S / Fini, R A / Fiorini, M / Firlej, M / Fitzpatrick, C / Fiutowski, T / Fleuret, F / Fontana, M / Fontanelli, F / Forty, R / Franco Lima, V / Frank, M / Frei, C / Fu, J / Funk, W / Gabriel, E / Gallas Torreira, A / Galli, D / Gallorini, S / Gambetta, S / Gan, Y / Gandelman, M / Gandini, P / Gao, Y / Garcia Martin, L M / García Pardiñas, J / Garcia Plana, B / Garra Tico, J / Garrido, L / Gascon, D / Gaspar, C / Gazzoni, G / Gerick, D / Gersabeck, E / Gersabeck, M / Gershon, T / Gerstel, D / Ghez, Ph / Gibson, V / Girard, O G / Gironella Gironell, P / Giubega, L / Gizdov, K / Gligorov, V V / Göbel, C / Golubkov, D / Golutvin, A / Gomes, A / Gorelov, I V / Gotti, C / Govorkova, E / Grabowski, J P / Graciani Diaz, R / Granado Cardoso, L A / Graugés, E / Graverini, E / Graziani, G / Grecu, A / Greim, R / Griffith, P / Grillo, L / Gruber, L / Gruberg Cazon, B R / Gu, C / Gushchin, E / Guth, A / Guz, Yu / Gys, T / Hadavizadeh, T / Hadjivasiliou, C / Haefeli, G / Haen, C / Haines, S C / Hamilton, B / Han, Q / Han, X / Hancock, T H / Hansmann-Menzemer, S / Harnew, N / Harrison, T / Hasse, C / Hatch, M / He, J / Hecker, M / Heinicke, K / Heister, A / Hennessy, K / Henry, L / Heß, M / Heuel, J / Hicheur, A / Hidalgo Charman, R / Hill, D / Hilton, M / Hopchev, P H / Hu, J / Hu, W / Huang, W / Huard, Z C / Hulsbergen, W / Humair, T / Hushchyn, M / Hutchcroft, D / Hynds, D / Ibis, P / Idzik, M / Ilten, P / Inglessi, A / Inyakin, A / Ivshin, K / Jacobsson, R / Jakobsen, S / Jalocha, J / Jans, E / Jashal, B K / Jawahery, A / Jiang, F / John, M / Johnson, D / Jones, C R / Joram, C / Jost, B / Jurik, N / Kandybei, S / Karacson, M / Kariuki, J M / Karodia, S / Kazeev, N / Kecke, M / Keizer, F / Kelsey, M / Kenzie, M / Ketel, T / Khanji, B / Kharisova, A / Khurewathanakul, C / Kim, K E / Kirn, T / Kirsebom, V S / Klaver, S / Klimaszewski, K / Koliiev, S / Kolpin, M / Kopecna, R / Koppenburg, P / Kostiuk, I / Kotriakhova, S / Kozeiha, M / Kravchuk, L / Kreps, M / Kress, F / Kretzschmar, S / Krokovny, P / Krupa, W / Krzemien, W / Kucewicz, W / Kucharczyk, M / Kudryavtsev, V / Kunde, G J / Kuonen, A K / Kvaratskheliya, T / Lacarrere, D / Lafferty, G / Lai, A / Lancierini, D / Lanfranchi, G / Langenbruch, C / Latham, T / Lazzeroni, C / Le Gac, R / Lefèvre, R / Leflat, A / Lemaitre, F / Leroy, O / Lesiak, T / Leverington, B / Li, H / Li, P-R / Li, X / Li, Y / Li, Z / Liang, X / Likhomanenko, T / Lindner, R / Lionetto, F / Lisovskyi, V / Liu, G / Liu, X / Loh, D / Loi, A / Longstaff, I / Lopes, J H / Loustau, G / Lovell, G H / Lucchesi, D / Lucio Martinez, M / Luo, Y / Lupato, A / Luppi, E / Lupton, O / Lusiani, A / Lyu, X / Machefert, F / Maciuc, F / Macko, V / Mackowiak, P / Maddrell-Mander, S / Maev, O / Maguire, K / Maisuzenko, D / Majewski, M W / Malde, S / Malecki, B / Malinin, A / Maltsev, T / Malygina, H / Manca, G / Mancinelli, G / Marangotto, D / Maratas, J / Marchand, J F / Marconi, U / Marin Benito, C / Marinangeli, M / Marino, P / Marks, J / Marshall, P J / Martellotti, G / Martinelli, M / Martinez Santos, D / Martinez Vidal, F / Massafferri, A / Materok, M / Matev, R / Mathad, A / Mathe, Z / Matiunin, V / Matteuzzi, C / Mattioli, K R / Mauri, A / Maurice, E / Maurin, B / McCann, M / McNab, A / McNulty, R / Mead, J V / Meadows, B / Meaux, C / Meinert, N / Melnychuk, D / Merk, M / Merli, A / Michielin, E / Milanes, D A / Millard, E / Minard, M-N / Minzoni, L / Mitzel, D S / Mödden, A / Mogini, A / Moise, R D / Mombächer, T / Monroy, I A / Monteil, S / Morandin, M / Morello, G / Morello, M J / Moron, J / Morris, A B / Mountain, R / Muheim, F / Mukherjee, M / Mulder, M / Müller, D / Müller, J / Müller, K / Müller, V / Murphy, C H / Murray, D / Naik, P / Nakada, T / Nandakumar, R / Nandi, A / Nanut, T / Nasteva, I / Needham, M / Neri, N / Neubert, S / Neufeld, N / Newcombe, R / Nguyen, T D / Nguyen-Mau, C / Nieswand, S / Niet, R / Nikitin, N / Nolte, N S / Oblakowska-Mucha, A / Obraztsov, V / Ogilvy, S / O'Hanlon, D P / Oldeman, R / Onderwater, C J G / Osborn, J D / Ossowska, A / Otalora Goicochea, J M / Ovsiannikova, T / Owen, P / Oyanguren, A / Pais, P R / Pajero, T / Palano, A / Palutan, M / Panshin, G / Papanestis, A / Pappagallo, M / Pappalardo, L L / Parker, W / Parkes, C / Passaleva, G / Pastore, A / Patel, M / Patrignani, C / Pearce, A / Pellegrino, A / Penso, G / Pepe Altarelli, M / Perazzini, S / Pereima, D / Perret, P / Pescatore, L / Petridis, K / Petrolini, A / Petrov, A / Petrucci, S / Petruzzo, M / Pietrzyk, B / Pietrzyk, G / Pikies, M / Pili, M / Pinci, D / Pinzino, J / Pisani, F / Piucci, A / Placinta, V / Playfer, S / Plews, J / Plo Casasus, M / Polci, F / Poli Lener, M / Poliakova, M / Poluektov, A / Polukhina, N / Polyakov, I / Polycarpo, E / Pomery, G J / Ponce, S / Popov, A / Popov, D / Poslavskii, S / Price, E / Prouve, C / Pugatch, V / Puig Navarro, A / Pullen, H / Punzi, G / Qian, W / Qin, J / Quagliani, R / Quintana, B / Raab, N V / Rachwal, B / Rademacker, J H / Rama, M / Ramos Pernas, M / Rangel, M S / Ratnikov, F / Raven, G / Ravonel Salzgeber, M / Reboud, M / Redi, F / Reichert, S / Reiss, F / Remon Alepuz, C / Ren, Z / Renaudin, V / Ricciardi, S / Richards, S / Rinnert, K / Robbe, P / Robert, A / Rodrigues, A B / Rodrigues, E / Rodriguez Lopez, J A / Roehrken, M / Roiser, S / Rollings, A / Romanovskiy, V / Romero Vidal, A / Roth, J D / Rotondo, M / Rudolph, M S / Ruf, T / Ruiz Vidal, J / Saborido Silva, J J / Sagidova, N / Saitta, B / Salustino Guimaraes, V / Sanchez Gras, C / Sanchez Mayordomo, C / Sanmartin Sedes, B / Santacesaria, R / Santamarina Rios, C / Santimaria, M / Santovetti, E / Sarpis, G / Sarti, A / Satriano, C / Satta, A / Saur, M / Savrina, D / Schael, S / Schellenberg, M / Schiller, M / Schindler, H / Schmelling, M / Schmelzer, T / Schmidt, B / Schneider, O / Schopper, A / Schreiner, H F / Schubiger, M / Schulte, S / Schune, M H / Schwemmer, R / Sciascia, B / Sciubba, A / Semennikov, A / Sepulveda, E S / Sergi, A / Serra, N / Serrano, J / Sestini, L / Seuthe, A / Seyfert, P / Shapkin, M / Shears, T / Shekhtman, L / Shevchenko, V / Shmanin, E / Siddi, B G / Silva Coutinho, R / Silva de Oliveira, L / Simi, G / Simone, S / Skiba, I / Skidmore, N / Skwarnicki, T / Slater, M W / Smeaton, J G / Smith, E / Smith, I T / Smith, M / Soares, M / Soares Lavra, L / Sokoloff, M D / Soler, F J P / Souza De Paula, B / Spaan, B / Spadaro Norella, E / Spradlin, P / Stagni, F / Stahl, M / Stahl, S / Stefko, P / Stefkova, S / Steinkamp, O / Stemmle, S / Stenyakin, O / Stepanova, M / Stevens, H / Stocchi, A / Stone, S / Stracka, S / Stramaglia, M E / Straticiuc, M / Straumann, U / Strokov, S / Sun, J / Sun, L / Sun, Y / Swientek, K / Szabelski, A / Szumlak, T / Szymanski, M / Tang, Z / Tekampe, T / Tellarini, G / Teubert, F / Thomas, E / Tilley, M J / Tisserand, V / T'Jampens, S / Tobin, M / Tolk, S / Tomassetti, L / Tonelli, D / Tou, D Y / Tourinho Jadallah Aoude, R / Tournefier, E / Traill, M / Tran, M T / Trisovic, A / Tsaregorodtsev, A / Tuci, G / Tully, A / Tuning, N / Ukleja, A / Usachov, A / Ustyuzhanin, A / Uwer, U / Vagner, A / Vagnoni, V / Valassi, A / Valat, S / Valenti, G / van Beuzekom, M / Van Hecke, H / van Herwijnen, E / Van Hulse, C B / van Tilburg, J / van Veghel, M / Vazquez Gomez, R / Vazquez Regueiro, P / Vázquez Sierra, C / Vecchi, S / Velthuis, J J / Veltri, M / Venkateswaran, A / Vernet, M / Veronesi, M / Vesterinen, M / Viana Barbosa, J V / Vieira, D / Vieites Diaz, M / Viemann, H / Vilasis-Cardona, X / Vitkovskiy, A / Vitti, M / Volkov, V / Vollhardt, A / Vom Bruch, D / Voneki, B / Vorobyev, A / Vorobyev, V / Voropaev, N / Waldi, R / Walsh, J / Wang, J / Wang, M / Wang, Y / Wang, Z / Ward, D R / Wark, H M / Watson, N K / Websdale, D / Weiden, A / Weisser, C / Whitehead, M / Wilkinson, G / Wilkinson, M / Williams, I / Williams, M / Williams, M R J / Williams, T / Wilson, F F / Winn, M / Wislicki, W / Witek, M / Wormser, G / Wotton, S A / Wyllie, K / Xiao, D / Xie, Y / Xing, H / Xu, A / Xu, M / Xu, Q / Xu, Z / Yang, Z / Yao, Y / Yeomans, L E / Yin, H / Yu, J / Yuan, X / Yushchenko, O / Zarebski, K A / Zavertyaev, M / Zeng, M / Zhang, D / Zhang, L / Zhang, W C / Zhang, Y / Zhelezov, A / Zheng, Y / Zhu, X / Zhukov, V / Zonneveld, J B / Zucchelli, S

    Physical review letters

    2019  Volume 122, Issue 19, Page(s) 191801

    Abstract: A measurement of the ratio of branching fractions of the decays B^{+}→K^{+}μ^{+}μ^{-} and B^{+}→K^{+}e^{+}e^{-} is presented. The proton-proton collision data used correspond to an integrated luminosity of 5.0  fb^{-1} recorded with the LHCb experiment ... ...

    Abstract A measurement of the ratio of branching fractions of the decays B^{+}→K^{+}μ^{+}μ^{-} and B^{+}→K^{+}e^{+}e^{-} is presented. The proton-proton collision data used correspond to an integrated luminosity of 5.0  fb^{-1} recorded with the LHCb experiment at center-of-mass energies of 7, 8, and 13 TeV. For the dilepton mass-squared range 1.1<q^{2}<6.0  GeV^{2}/c^{4} the ratio of branching fractions is measured to be R_{K}=0.846_{-0.054}^{+0.060}_{-0.014}^{+0.016}, where the first uncertainty is statistical and the second systematic. This is the most precise measurement of R_{K} to date and is compatible with the standard model at the level of 2.5 standard deviations.<br />
    Language English
    Publishing date 2019-05-31
    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.122.191801
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: First Observation of Excited Ω_{b}^{-} States.

    Aaij, R / Abellán Beteta, C / Ackernley, T / Adeva, B / Adinolfi, M / Afsharnia, H / Aidala, C A / Aiola, S / Ajaltouni, Z / Akar, S / Albicocco, P / Albrecht, J / Alessio, F / Alexander, M / Alfonso Albero, A / Alkhazov, G / Alvarez Cartelle, P / Alves, A A / Amato, S /
    Amhis, Y / An, L / Anderlini, L / Andreassi, G / Andreotti, M / Archilli, F / Arnau Romeu, J / Artamonov, A / Artuso, M / Arzymatov, K / Aslanides, E / Atzeni, M / Audurier, B / Bachmann, S / Back, J J / Baker, S / Balagura, V / Baldini, W / Baranov, A / Barlow, R J / Barsuk, S / Barter, W / Bartolini, M / Baryshnikov, F / Bassi, G / Batozskaya, V / Batsukh, B / Battig, A / Bay, A / Becker, M / Bedeschi, F / Bediaga, I / Beiter, A / Bel, L J / Belavin, V / Belin, S / Bellee, V / Belous, K / Belyaev, I / Bencivenni, G / Ben-Haim, E / Benson, S / Beranek, S / Berezhnoy, A / Bernet, R / Berninghoff, D / Bernstein, H C / Bertella, C / Bertholet, E / Bertolin, A / Betancourt, C / Betti, F / Bettler, M O / Bezshyiko, Ia / Bhasin, S / Bhom, J / Bieker, M S / Bifani, S / Billoir, P / Bizzeti, A / Bjørn, M / Blago, M P / Blake, T / Blanc, F / Blusk, S / Bobulska, D / Bocci, V / Boente Garcia, O / Boettcher, T / Boldyrev, A / Bondar, A / Bondar, N / Borghi, S / Borisyak, M / Borsato, M / Borsuk, J T / Bowcock, T J V / Bozzi, C / Bradley, M J / Braun, S / Brea Rodriguez, A / Brodski, M / Brodzicka, J / Brossa Gonzalo, A / Brundu, D / Buchanan, E / Buonaura, A / Burr, C / Bursche, A / Butter, J S / Buytaert, J / Byczynski, W / Cadeddu, S / Cai, H / Calabrese, R / Calero Diaz, L / Cali, S / Calladine, R / Calvi, M / Calvo Gomez, M / Camargo Magalhaes, P / Camboni, A / Campana, P / Campora Perez, D H / Capriotti, L / Carbone, A / Carboni, G / Cardinale, R / Cardini, A / Carniti, P / Carvalho Akiba, K / Casais Vidal, A / Casse, G / Cattaneo, M / Cavallero, G / Celani, S / Cenci, R / Cerasoli, J / Chapman, M G / Charles, M / Charpentier, Ph / Chatzikonstantinidis, G / Chefdeville, M / Chekalina, V / Chen, C / Chen, S / Chernov, A / Chitic, S-G / Chobanova, V / Chrzaszcz, M / Chubykin, A / Ciambrone, P / Cicala, M F / Cid Vidal, X / Ciezarek, G / Cindolo, F / Clarke, P E L / Clemencic, M / Cliff, H V / Closier, J / Cobbledick, J L / Coco, V / Coelho, J A B / Cogan, J / Cogneras, E / Cojocariu, L / Collins, P / Colombo, T / Comerma-Montells, A / Contu, A / Cooke, N / Coombs, G / Coquereau, S / Corti, G / Costa Sobral, C M / Couturier, B / Craik, D C / Crkovska, J / Crocombe, A / Cruz Torres, M / Currie, R / Da Silva, C L / Dall'Occo, E / Dalseno, J / D'Ambrosio, C / Danilina, A / d'Argent, P / 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 / de Vries, J A / Dean, C T / Dean, W / Decamp, D / Del Buono, L / Delaney, B / Dembinski, H-P / Demmer, M / Dendek, A / Denysenko, V / Derkach, D / Deschamps, O / Desse, F / Dettori, F / Dey, B / Di Canto, A / Di Nezza, P / Didenko, S / Dijkstra, H / Dobishuk, V / Dordei, F / Dorigo, M / Dos Reis, A C / Douglas, L / Dovbnya, A / Dreimanis, K / Dudek, M W / Dufour, L / Dujany, G / Durante, P / Durham, J M / Dutta, D / Dziewiecki, M / Dziurda, A / Dzyuba, A / Easo, S / Egede, U / Egorychev, V / Eidelman, S / Eisenhardt, S / Ekelhof, R / Ek-In, S / Eklund, L / Ely, S / Ene, A / Epple, E / Escher, S / Esen, S / Evans, T / Falabella, A / Fan, J / Farley, N / Farry, S / Fazzini, D / Fedin, P / Féo, M / Fernandez Declara, P / Fernandez Prieto, A / Ferrari, F / Ferreira Lopes, L / Ferreira Rodrigues, F / Ferreres Sole, S / Ferrillo, M / Ferro-Luzzi, M / Filippov, S / Fini, R A / Fiorini, M / Firlej, M / Fischer, K M / Fitzpatrick, C / Fiutowski, T / Fleuret, F / Fontana, M / Fontanelli, F / Forty, R / Franco Lima, V / Franco Sevilla, M / Frank, M / Frei, C / Friday, D A / Fu, J / Fuehring, M / Funk, W / Gabriel, E / Gallas Torreira, A / Galli, D / Gallorini, S / Gambetta, S / Gan, Y / Gandelman, M / Gandini, P / Gao, Y / Garcia Martin, L M / García Pardiñas, J / Garcia Plana, B / Garcia Rosales, F A / Garra Tico, J / Garrido, L / Gascon, D / Gaspar, C / Gerick, D / Gersabeck, E / Gersabeck, M / Gershon, T / Gerstel, D / Ghez, Ph / Gibson, V / Gioventù, A / Girard, O G / Gironella Gironell, P / Giubega, L / Giugliano, C / Gizdov, K / Gligorov, V V / Göbel, C / Golubkov, D / Golutvin, A / Gomes, A / Gorbounov, P / Gorelov, I V / Gotti, C / Govorkova, E / Grabowski, J P / Graciani Diaz, R / Grammatico, T / Granado Cardoso, L A / Graugés, E / Graverini, E / Graziani, G / Grecu, A / Greim, R / Griffith, P / Grillo, L / Gruber, L / Gruberg Cazon, B R / Gu, C / Gushchin, E / Guth, A / Guz, Yu / Gys, T / Günther, P A / Hadavizadeh, T / Haefeli, G / Haen, C / Haines, S C / Hamilton, P M / Han, Q / Han, X / Hancock, T H / Hansmann-Menzemer, S / Harnew, N / Harrison, T / Hart, R / Hasse, C / Hatch, M / He, J / Hecker, M / Heijhoff, K / Heinicke, K / Heister, A / Hennequin, A M / Hennessy, K / Henry, L / Heuel, J / Hicheur, A / Hill, D / Hilton, M / Hopchev, P H / Hu, J / Hu, W / Huang, W / Hulsbergen, W / Humair, T / Hunter, R J / Hushchyn, M / Hutchcroft, D / Hynds, D / Ibis, P / Idzik, M / Ilten, P / Inglessi, A / Inyakin, A / Ivshin, K / Jacobsson, R / Jakobsen, S / Jans, E / Jashal, B K / Jawahery, A / Jevtic, V / Jiang, F / John, M / Johnson, D / Jones, C R / Jost, B / Jurik, N / Kandybei, S / Karacson, M / Kariuki, J M / Kazeev, N / Kecke, M / Keizer, F / Kelsey, M / Kenzie, M / Ketel, T / Khanji, B / Kharisova, A / Kim, K E / Kirn, T / Kirsebom, V S / Klaver, S / Klimaszewski, K / Koliiev, S / Kondybayeva, A / Konoplyannikov, A / Kopciewicz, P / Kopecna, R / Koppenburg, P / Kostiuk, I / Kot, O / Kotriakhova, S / Kravchuk, L / Krawczyk, R D / Kreps, M / Kress, F / Kretzschmar, S / Krokovny, P / Krupa, W / Krzemien, W / Kucewicz, W / Kucharczyk, M / Kudryavtsev, V / Kuindersma, H S / Kunde, G J / Kvaratskheliya, T / Lacarrere, D / Lafferty, G / Lai, A / Lancierini, D / Lane, J J / Lanfranchi, G / Langenbruch, C / Lantwin, O / Latham, T / Lazzari, F / Lazzeroni, C / Le Gac, R / Lefèvre, R / Leflat, A / Leroy, O / Lesiak, T / Leverington, B / Li, H / Li, X / Li, Y / Li, Z / Liang, X / Lindner, R / Lisovskyi, V / Liu, G / Liu, X / Loh, D / Loi, A / Lomba Castro, J / Longstaff, I / Lopes, J H / Loustau, G / Lovell, G H / Lu, Y / Lucchesi, D / Lucio Martinez, M / Luo, Y / Lupato, A / Luppi, E / Lupton, O / Lusiani, A / Lyu, X / Maccolini, S / Machefert, F / Maciuc, F / Macko, V / Mackowiak, P / Maddrell-Mander, S / Madhan Mohan, L R / Maev, O / Maevskiy, A / Maisuzenko, D / Majewski, M W / Malde, S / Malecki, B / Malinin, A / Maltsev, T / Malygina, H / Manca, G / Mancinelli, G / Manera Escalero, R / Manuzzi, D / Marangotto, D / Maratas, J / Marchand, J F / Marconi, U / Mariani, S / Marin Benito, C / Marinangeli, M / Marino, P / Marks, J / Marshall, P J / Martellotti, G / Martinazzoli, L / Martinelli, M / Martinez Santos, D / Martinez Vidal, F / Massafferri, A / Materok, M / Matev, R / Mathad, A / Mathe, Z / Matiunin, V / Matteuzzi, C / Mattioli, K R / Mauri, A / Maurice, E / McCann, M / Mcconnell, L / McNab, A / McNulty, R / Mead, J V / Meadows, B / Meaux, C / Meier, G / Meinert, N / Melnychuk, D / Meloni, S / Merk, M / Merli, A / Mikhasenko, M / Milanes, D A / Millard, E / Minard, M-N / Mineev, O / Minzoni, L / Mitchell, S E / Mitreska, B / Mitzel, D S / Mödden, A / Mogini, A / Moise, R D / Mombächer, T / Monroy, I A / Monteil, S / Morandin, M / Morello, G / Morello, M J / Moron, J / Morris, A B / Morris, A G / Mountain, R / Mu, H / Muheim, F / Mukherjee, M / Mulder, M / Müller, D / Müller, K / Müller, V / Murphy, C H / Murray, D / Muzzetto, P / Naik, P / Nakada, T / Nandakumar, R / Nandi, A / Nanut, T / Nasteva, I / Needham, M / Neri, N / Neubert, S / Neufeld, N / Newcombe, R / Nguyen, T D / Nguyen-Mau, C / Niel, E M / Nieswand, S / Nikitin, N / Nolte, N S / Nunez, C / Oblakowska-Mucha, A / Obraztsov, V / Ogilvy, S / O'Hanlon, D P / Oldeman, R / Onderwater, C J G / Osborn, J D / Ossowska, A / Otalora Goicochea, J M / Ovsiannikova, T / Owen, P / Oyanguren, A / Pais, P R / Pajero, T / Palano, A / Palutan, M / Panshin, G / Papanestis, A / Pappagallo, M / Pappalardo, L L / Pappenheimer, C / Parker, W / Parkes, C / Passaleva, G / Pastore, A / Patel, M / Patrignani, C / Pearce, A / Pellegrino, A / Pepe Altarelli, M / Perazzini, S / Pereima, D / Perret, P / Pescatore, L / Petridis, K / Petrolini, A / Petrov, A / Petrucci, S / Petruzzo, M / Pietrzyk, B / Pietrzyk, G / Pili, M / Pinci, D / Pinzino, J / Pisani, F / Piucci, A / Placinta, V / Playfer, S / Plews, J / Plo Casasus, M / Polci, F / Poli Lener, M / Poliakova, M / Poluektov, A / Polukhina, N / Polyakov, I / Polycarpo, E / Pomery, G J / Ponce, S / Popov, A / Popov, D / Poslavskii, S / Prasanth, K / Promberger, L / Prouve, C / Pugatch, V / Puig Navarro, A / Pullen, H / Punzi, G / Qian, W / Qin, J / Quagliani, R / Quintana, B / Raab, N V / Rabadan Trejo, R I / Rachwal, B / Rademacker, J H / Rama, M / Ramos Pernas, M / Rangel, M S / Ratnikov, F / Raven, G / Reboud, M / Redi, F / Reiss, F / Remon Alepuz, C / Ren, Z / Renaudin, V / Ricciardi, S / Richards, S / Rinnert, K / Robbe, P / Robert, A / Rodrigues, A B / Rodrigues, E / Rodriguez Lopez, J A / Roehrken, M / Roiser, S / Rollings, A / Romanovskiy, V / Romero Lamas, M / Romero Vidal, A / Roth, J D / Rotondo, M / Rudolph, M S / Ruf, T / Ruiz Vidal, J / Ryzka, J / Saborido Silva, J J / Sagidova, N / Saitta, B / Sanchez Gras, C / Sanchez Mayordomo, C / Santacesaria, R / Santamarina Rios, C / Santimaria, M / Santovetti, E / Sarpis, G / Sarti, A / Satriano, C / Satta, A / Saur, M / Savrina, D / Scantlebury Smead, L G / Schael, S / Schellenberg, M / Schiller, M / Schindler, H / Schmelling, M / Schmelzer, T / Schmidt, B / Schneider, O / Schopper, A / Schreiner, H F / Schubiger, M / Schulte, S / Schune, M H / Schwemmer, R / Sciascia, B / Sciubba, A / Sellam, S / Semennikov, A / Sergi, A / Serra, N / Serrano, J / Sestini, L / Seuthe, A / Seyfert, P / Shangase, D M / Shapkin, M / Shchutska, L / Shears, T / Shekhtman, L / Shevchenko, V / Shmanin, E / Shupperd, J D / Siddi, B G / Silva Coutinho, R / Silva de Oliveira, L / Simi, G / Simone, S / Skiba, I / Skidmore, N / Skwarnicki, T / Slater, M W / Smeaton, J G / Smetkina, A / Smith, E / Smith, I T / Smith, M / Snoch, A / Soares, M / Soares Lavra, L / Sokoloff, M D / Soler, F J P / Souza De Paula, B / Spaan, B / Spadaro Norella, E / Spradlin, P / Stagni, F / Stahl, M / Stahl, S / Stefko, P / Steinkamp, O / Stemmle, S / Stenyakin, O / Stepanova, M / Stevens, H / Stone, S / Stracka, S / Stramaglia, M E / Straticiuc, M / Strokov, S / Sun, J / Sun, L / Sun, Y / Svihra, P / Swientek, K / Szabelski, A / Szumlak, T / Szymanski, M / Taneja, S / Tang, Z / Tekampe, T / Tellarini, G / Teubert, F / Thomas, E / Thomson, K A / Tilley, M J / Tisserand, V / T'Jampens, S / Tobin, M / Tolk, S / Tomassetti, L / Tonelli, D / Torres Machado, D / Tou, D Y / Tournefier, E / Traill, M / Tran, M T / Trippl, C / Trisovic, A / Tsaregorodtsev, A / Tuci, G / Tully, A / Tuning, N / Ukleja, A / Usachov, A / Ustyuzhanin, A / Uwer, U / Vagner, A / Vagnoni, V / Valassi, A / Valenti, G / van Beuzekom, M / Van Hecke, H / van Herwijnen, E / Van Hulse, C B / van Veghel, M / Vazquez Gomez, R / Vazquez Regueiro, P / Vázquez Sierra, C / Vecchi, S / Velthuis, J J / Veltri, M / Venkateswaran, A / Vernet, M / Veronesi, M / Vesterinen, M / Viana Barbosa, J V / Vieira, D / Vieites Diaz, M / Viemann, H / Vilasis-Cardona, X / Vitkovskiy, A / Volkov, V / Vollhardt, A / Vom Bruch, D / Vorobyev, A / Vorobyev, V / Voropaev, N / Waldi, R / Walsh, J / Wang, J / Wang, M / Wang, Y / Wang, Z / Ward, D R / Wark, H M / Watson, N K / Websdale, D / Weiden, A / Weisser, C / Westhenry, B D C / White, D J / Whitehead, M / Wiedner, D / Wilkinson, G / Wilkinson, M / Williams, I / Williams, M / Williams, M R J / Williams, T / Wilson, F F / Wislicki, W / Witek, M / Witola, L / Wormser, G / Wotton, S A / Wu, H / Wyllie, K / Xiang, Z / Xiao, D / Xie, Y / Xing, H / Xu, A / Xu, L / Xu, M / Xu, Q / Xu, Z / Yang, Z / Yao, Y / Yeomans, L E / Yin, H / Yu, J / Yuan, X / Yushchenko, O / Zarebski, K A / Zavertyaev, M / Zdybal, M / Zeng, M / Zhang, D / Zhang, L / Zhang, S / Zhang, W C / Zhang, Y / Zhelezov, A / Zheng, Y / Zhou, X / Zhou, Y / Zhu, X / Zhukov, V / Zonneveld, J B / Zucchelli, S

    Physical review letters

    2019  Volume 124, Issue 8, Page(s) 82002

    Abstract: We report four narrow peaks in the Ξ_{b}^{0}K^{-} mass spectrum obtained using pp collisions at center-of-mass energies of 7, 8, and 13 TeV, corresponding to a total integrated luminosity of 9  fb^{-1} recorded by the LHCb experiment. Referring to these ... ...

    Abstract We report four narrow peaks in the Ξ_{b}^{0}K^{-} mass spectrum obtained using pp collisions at center-of-mass energies of 7, 8, and 13 TeV, corresponding to a total integrated luminosity of 9  fb^{-1} recorded by the LHCb experiment. Referring to these states by their mass, the mass values are m[Ω_{b}(6316)^{-}]=6315.64±0.31±0.07±0.50  MeV, m[Ω_{b}(6330)^{-}]=6330.30±0.28±0.07±0.50  MeV, m[Ω_{b}(6340)^{-}]=6339.71±0.26±0.05±0.50  MeV, m[Ω_{b}(6350)^{-}]=6349.88±0.35±0.05±0.50  MeV, where the uncertainties are statistical, systematic, and the last is due to the knowledge of the Ξ_{b}^{0} mass. The natural widths of the three lower mass states are consistent with zero, and the 90% confidence-level upper limits are determined to be Γ[Ω_{b}(6316)^{-}]<2.8  MeV, Γ[Ω_{b}(6330)^{-}]<3.1  MeV and Γ[Ω_{b}(6340)^{-}]<1.5  MeV. The natural width of the Ω_{b}(6350)^{-} peak is 1.4_{-0.8}^{+1.0}±0.1  MeV, which is 2.5σ from zero and corresponds to an upper limit of 2.8 MeV. The peaks have local significances ranging from 3.6σ to 7.2σ. After accounting for the look-elsewhere effect, the significances of the Ω_{b}(6316)^{-} and Ω_{b}(6330)^{-} peaks are reduced to 2.1σ and 2.6σ, respectively, while the two higher mass peaks exceed 5σ. The observed peaks are consistent with expectations for excited Ω_{b}^{-} resonances.
    Language English
    Publishing date 2019-04-05
    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.124.082002
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Isospin Amplitudes in Λ_{b}^{0}→J/ψΛ(Σ^{0}) and Ξ_{b}^{0}→J/ψΞ^{0}(Λ) Decays.

    Aaij, R / Abellán Beteta, C / Ackernley, T / Adeva, B / Adinolfi, M / Afsharnia, H / Aidala, C A / Aiola, S / Ajaltouni, Z / Akar, S / Albicocco, P / Albrecht, J / Alessio, F / Alexander, M / Alfonso Albero, A / Alkhazov, G / Alvarez Cartelle, P / Alves, A A / Amato, S /
    Amhis, Y / An, L / Anderlini, L / Andreassi, G / Andreotti, M / Archilli, F / Arnau Romeu, J / Artamonov, A / Artuso, M / Arzymatov, K / Aslanides, E / Atzeni, M / Audurier, B / Bachmann, S / Back, J J / Baker, S / Balagura, V / Baldini, W / Baranov, A / Barlow, R J / Barsuk, S / Barter, W / Bartolini, M / Baryshnikov, F / Bassi, G / Batozskaya, V / Batsukh, B / Battig, A / Bay, A / Becker, M / Bedeschi, F / Bediaga, I / Beiter, A / Bel, L J / Belavin, V / Belin, S / Beliy, N / Bellee, V / Belous, K / Belyaev, I / Bencivenni, G / Ben-Haim, E / Benson, S / Beranek, S / Berezhnoy, A / Bernet, R / Berninghoff, D / Bernstein, H C / Bertella, C / Bertholet, E / Bertolin, A / Betancourt, C / Betti, F / Bettler, M O / Bezshyiko, Ia / Bhasin, S / Bhom, J / Bieker, M S / Bifani, S / Billoir, P / Bizzeti, A / Bjørn, M / Blago, M P / Blake, T / Blanc, F / Blusk, S / Bobulska, D / Bocci, V / Boente Garcia, O / Boettcher, T / Boldyrev, A / Bondar, A / Bondar, N / Borghi, S / Borisyak, M / Borsato, M / Borsuk, J T / Bowcock, T J V / Bozzi, C / Bradley, M J / Braun, S / Brea Rodriguez, A / Brodski, M / Brodzicka, J / Brossa Gonzalo, A / Brundu, D / Buchanan, E / Buonaura, A / Burr, C / Bursche, A / Butter, J S / Buytaert, J / Byczynski, W / Cadeddu, S / Cai, H / Calabrese, R / Calero Diaz, L / Cali, S / Calladine, R / Calvi, M / Calvo Gomez, M / Camargo Magalhaes, P / Camboni, A / Campana, P / Campora Perez, D H / Capriotti, L / Carbone, A / Carboni, G / Cardinale, R / Cardini, A / Carniti, P / Carvalho Akiba, K / Casais Vidal, A / Casse, G / Cattaneo, M / Cavallero, G / Celani, S / Cenci, R / Cerasoli, J / Chapman, M G / Charles, M / Charpentier, Ph / Chatzikonstantinidis, G / Chefdeville, M / Chekalina, V / Chen, C / Chen, S / Chernov, A / Chitic, S-G / Chobanova, V / Chrzaszcz, M / Chubykin, A / Ciambrone, P / Cicala, M F / Cid Vidal, X / Ciezarek, G / Cindolo, F / Clarke, P E L / Clemencic, M / Cliff, H V / Closier, J / Cobbledick, J L / Coco, V / Coelho, J A B / 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    Physical review letters

    2019  Volume 124, Issue 11, Page(s) 111802

    Abstract: Ratios of isospin amplitudes in hadron decays are a useful probe of the interplay between weak and strong interactions and allow searches for physics beyond the standard model. We present the first results on isospin amplitudes in b-baryon decays, using ... ...

    Abstract Ratios of isospin amplitudes in hadron decays are a useful probe of the interplay between weak and strong interactions and allow searches for physics beyond the standard model. We present the first results on isospin amplitudes in b-baryon decays, using data corresponding to an integrated luminosity of 8.5  fb^{-1}, collected with the LHCb detector in pp collisions at center of mass energies of 7, 8, and 13 TeV. The isospin amplitude ratio |A_{1}(Λ_{b}^{0}→J/ψΣ^{0})/A_{0}(Λ_{b}^{0}→J/ψΛ)|, where the subscript on A indicates the final-state isospin, is measured to be less than 1/21.8 at 95% confidence level. The Cabibbo suppressed Ξ_{b}^{0}→J/ψΛ decay is observed for the first time, allowing for the measurement |A_{0}(Ξ_{b}^{0}→J/ψΛ)/A_{1/2}(Ξ_{b}^{0}→J/ψΞ^{0})|=0.37±0.06±0.02, where the uncertainties are statistical and systematic, respectively.
    Language English
    Publishing date 2019-07-01
    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.124.111802
    Database MEDical Literature Analysis and Retrieval System OnLINE

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