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Book ; Online: Study of the process $e^+e^- \to \eta\eta\gamma$ in the energy range $\sqrt{s} = \mbox{1.17--2.00}$ GeV with the SND detector

SND Collaboration / Achasov, M. N. / Barnyakov, A. Yu. / Beloborodov, K. I. / Berdyugin, A. V. / Berkaev, D. E. / Bogdanchikov, A. G. / Botov, A. A. / Dimova, T. V. / Druzhinin, V. P. / Kirpotin, A. N. / Kardapoltsev, L. V. / Kasaev, A. S. / Kharlamov, A. G. / Koop, I. A. / Korol, A. A. / Kovrizhin, D. P. / Kupich, A. S. / Martin, K. A. /

Melnikova, N. A. / Muchnoy, N. Yu. / Obrazovsky, A. E. / Pakhtusova, E. V. / Pugachev, K. V. / Rabusov, D. V. / Rogovsky, Yu. A. / Senchenko, A. I. / Serednyakov, S. I. / Shatilov, D. N. / Shatunov, Yu. M. / Shtol, D. A. / Shwartz, D. B. / Silagadze, Z. K. / Surin, I. K. / Timoshenko, M. V. / Usov, Yu. V. / Zhabin, V. N. / Zhulanov, V. V.

2021

Abstract: The process $e^+e^-\to\eta\eta\gamma$ is studied in the center-of-mass energy range 1.17-2.00 GeV using data with an integrated luminosity of 201 pb$^{-1}$collected by the SND detector at the VEPP-2000 $e^+e^-$ collider. The $e^+e^-\to\eta\eta\gamma$ ... ...

Abstract	The process $e^+e^-\to\eta\eta\gamma$ is studied in the center-of-mass energy range 1.17-2.00 GeV using data with an integrated luminosity of 201 pb$^{-1}$collected by the SND detector at the VEPP-2000 $e^+e^-$ collider. The $e^+e^-\to\eta\eta\gamma$ cross section is measured for the first time. It is shown that the dominant mechanism of this reaction is the transition through the $\phi\eta$ intermediate state. Our result on the $e^+e^-\to\eta\eta\gamma$ cross section is consistent with the $e^+e^-\to\phi\eta$ measurement in the $\phi\to K^+ K^-$ mode. The search for radiative processes contributing to the $e^+e^-\to\eta\eta\gamma$ cross section is performed, and no significant signal is observed. Comment: 6 pages, 3 figures, to be submitted to European Physical Journal C. arXiv admin note: text overlap with arXiv:2006.05465
Keywords	High Energy Physics - Experiment
Subject code	551
Publishing date	2021-10-12
Publishing country	us
Document type	Book ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Search for Evidence of Baryogenesis and Dark Matter in B^{+}→ψ_{D}+p Decays at BABAR.

Lees, J P / Poireau, V / Tisserand, V / Grauges, E / Palano, A / Eigen, G / Brown, D N / Kolomensky, Yu G / Fritsch, M / Koch, H / Cheaib, R / Hearty, C / Mattison, T S / McKenna, J A / So, R Y / Blinov, V E / Buzykaev, A R / Druzhinin, V P / Kozyrev, E A /

Kravchenko, E A / Serednyakov, S I / Skovpen, Yu I / Solodov, E P / Todyshev, K Yu / Lankford, A J / Dey, B / Gary, J W / Long, O / Eisner, A M / Lockman, W S / Panduro Vazquez, W / Chao, D S / Cheng, C H / Echenard, B / Flood, K T / Hitlin, D G / Li, Y / Lin, D X / Middleton, S / Miyashita, T S / Ongmongkolkul, P / Oyang, J / Porter, F C / Röhrken, M / Meadows, B T / Sokoloff, M D / Smith, J G / Wagner, S R / Bernard, D / Verderi, M / Bettoni, D / Bozzi, C / Calabrese, R / Cibinetto, G / Fioravanti, E / Garzia, I / Luppi, E / Santoro, V / Calcaterra, A / de Sangro, R / Finocchiaro, G / Martellotti, S / Patteri, P / Peruzzi, I M / Piccolo, M / Rotondo, M / Zallo, A / Passaggio, S / Patrignani, C / Shuve, B J / Lacker, H M / Bhuyan, B / Mallik, U / Chen, C / Cochran, J / Prell, S / Gritsan, A V / Arnaud, N / Davier, M / Le Diberder, F / Lutz, A M / Wormser, G / Lange, D J / Wright, D M / Coleman, J P / Hutchcroft, D E / Payne, D J / Touramanis, C / Bevan, A J / Di Lodovico, F / Cowan, G / Banerjee, Sw / Davis, C L / Denig, A G / Gradl, W / Griessinger, K / Hafner, A / Schubert, K R / Barlow, R J / Lafferty, G D / Cenci, R / Jawahery, A / Roberts, D A / Cowan, R / Robertson, S H / Seddon, R M / Neri, N / Palombo, F / Cremaldi, L / Godang, R / Summers, D J / De Nardo, G / Sciacca, C / Jessop, C P / LoSecco, J M / Honscheid, K / Gaz, A / Margoni, M / Simi, G / Simonetto, F / Stroili, R / Akar, S / Ben-Haim, E / Bomben, M / Bonneaud, G R / Calderini, G / Chauveau, J / Marchiori, G / Ocariz, J / Biasini, M / Manoni, E / Rossi, A / Batignani, G / Bettarini, S / Carpinelli, M / Casarosa, G / Chrzaszcz, M / Forti, F / Giorgi, M A / Lusiani, A / Oberhof, B / Paoloni, E / Rama, M / Rizzo, G / Walsh, J J / Zani, L / Smith, A J S / Anulli, F / Faccini, R / Ferrarotto, F / Ferroni, F / Pilloni, A / Bünger, C / Dittrich, S / Grünberg, O / Leddig, T / Voß, C / Waldi, R / Adye, T / Wilson, F F / Emery, S / Vasseur, G / Aston, D / Cartaro, C / Convery, M R / Dunwoodie, W / Ebert, M / Field, R C / Fulsom, B G / Graham, M T / Hast, C / Kim, P / Luitz, S / MacFarlane, D B / Muller, D R / Neal, H / Ratcliff, B N / Roodman, A / Sullivan, M K / Va'vra, J / Wisniewski, W J / Purohit, M V / Wilson, J R / Sekula, S J / Ahmed, H / Tasneem, N / Bellis, M / Burchat, P R / Puccio, E M T / Ernst, J A / Gorodeisky, R / Guttman, N / Peimer, D R / Soffer, A / Spanier, S M / Ritchie, J L / Izen, J M / Lou, X C / Bianchi, F / De Mori, F / Filippi, A / Lanceri, L / Vitale, L / Martinez-Vidal, F / Oyanguren, A / Albert, J / Beaulieu, A / Bernlochner, F U / King, G J / Kowalewski, R / Lueck, T / Miller, C / Nugent, I M / Roney, J M / Sobie, R J / Gershon, T J / Harrison, P F / Latham, T E / Wu, S L

Physical review letters

2023 Volume 131, Issue 20, Page(s) 201801

Abstract: A new dark sector antibaryon, denoted ψ_{D}, could be produced in decays of B mesons. This Letter presents a search for B^{+}→ψ_{D}+p (and the charge conjugate) decays in e^{+}e^{-} annihilations at 10.58 GeV, using data collected in the BABAR experiment. ...

Abstract	A new dark sector antibaryon, denoted ψ_{D}, could be produced in decays of B mesons. This Letter presents a search for B^{+}→ψ_{D}+p (and the charge conjugate) decays in e^{+}e^{-} annihilations at 10.58 GeV, using data collected in the BABAR experiment. Data corresponding to an integrated luminosity of 398 fb^{-1} are analyzed. No evidence for a signal is observed. Branching fraction upper limits in the range from 10^{-7}-10^{-5} are obtained at 90% confidence level for masses of 1.0<m_{ψ_{D}}<4.3 GeV/c^{2}. The result is also reinterpreted to provide the first limits on a supersymmetric model with R-parity violation and a light neutralino.<br />
Language	English
Publishing date	2023-12-01
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.131.201801
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Book ; Online: Model-independent extraction of form factors and $|V_{cb}|$ in $\overline{B} \rightarrow D \ell^- \overline{\nu}_\ell$ with hadronic tagging at BaBar

BaBar Collaboration / Lees, J. P. / Poireau, V. / Tisserand, V. / Grauges, E. / Palano, A. / Eigen, G. / Brown, D. N. / Kolomensky, Yu. G. / Fritsch, M. / Koch, H. / Cheaib, R. / Hearty, C. / Mattison, T. S. / McKenna, J. A. / So, R. Y. / Blinov, V. E. / Buzykaev, A. R. / Druzhinin, V. P. /

Kozyrev, E. A. / Kravchenko, E. A. / Serednyakov, S. I. / Skovpen, Yu. I. / Solodov, E. P. / Todyshev, K. Yu. / Lankford, A. J. / Gary, J. W. / Long, O. / Eisner, A. M. / Lockman, W. S. / Vazquez, W. Panduro / Chao, D. S. / Cheng, C. H. / Echenard, B. / Flood, K. T. / Hitlin, D. G. / Li, Y. / Middleton, S. / Miyashita, T. S. / Ongmongkolkul, P. / Oyang, J. / Porter, F. C. / Röhrken, M. / Meadows, B. T. / Sokoloff, M. D. / Smith, J. G. / Wagner, S. R. / Bernard, D. / Verderi, M. / Bettoni, D. / Bozzi, C. / Calabrese, R. / Cibinetto, G. / Fioravanti, E. / Garzia, I. / Luppi, E. / Santoro, V. / Calcaterra, A. / de Sangro, R. / Finocchiaro, G. / Martellotti, S. / Patteri, P. / Peruzzi, I. M. / Piccolo, M. / Rotondo, M. / Zallo, A. / Passaggio, S. / Shuve, B. J. / Lacker, H. M. / Bhuyan, B. / Mallik, U. / Chen, C. / Cochran, J. / Prell, S. / Gritsan, A. V. / Arnaud, N. / Davier, M. / Diberder, F. Le / Lutz, A. M. / Wormser, G. / Lange, D. J. / Wright, D. M. / Coleman, J. P. / Hutchcroft, D. E. / Payne, D. J. / Touramanis, C. / Bevan, A. J. / Cowan, G. / Banerjee, Sw. / Davis, C. L. / Denig, A. G. / Gradl, W. / Griessinger, K. / Hafner, A. / Schubert, K. R. / Lafferty, G. D. / Cenci, R. / Jawahery, A. / Roberts, D. A. / Cowan, R. / Robertson, S. H. / Seddon, R. M. / Neri, N. / Palombo, F. / Cremaldi, L. / Summers, D. J. / De Nardo, G. / Sciacca, C. / Jessop, C. P. / LoSecco, J. M. / Honscheid, K. / Gaz, A. / Margoni, M. / Simi, G. / Simonetto, F. / Stroili, R. / Akar, S. / Ben-Haim, E. / Bomben, M. / Bonneaud, G. R. / Calderini, G. / Chauveau, J. / Marchiori, G. / Ocariz, J. / Biasini, M. / Manoni, E. / Rossi, A. / Batignani, G. / Bettarini, S. / Casarosa, G. / Chrzaszcz, M. / Forti, F. / Giorgi, M. A. / Lusiani, A. / Oberhof, B. / Paoloni, E. / Rama, M. / Rizzo, G. / Walsh, J. J. / Zani, L. / Smith, A. J. S. / Anulli, F. / Faccini, R. / Ferrarotto, F. / Pilloni, A. / Bünger, C. / Dittrich, S. / Grünberg, O. / Leddig, T. / Voß, C. / Waldi, R. / Adye, T. / Wilson, F. F. / Emery, S. / Vasseur, G. / Aston, D. / Cartaro, C. / Convery, M. R. / Dunwoodie, W. / Ebert, M. / Field, R. C. / Fulsom, B. G. / Graham, M. T. / Hast, C. / Kim, P. / Luitz, S. / MacFarlane, D. B. / Muller, D. R. / Neal, H. / Ratcliff, B. N. / Roodman, A. / Sullivan, M. K. / Va'vra, J. / Wisniewski, W. J. / Purohit, M. V. / Wilson, J. R. / Ahmed, H. / Tasneem, N. / Bellis, M. / Burchat, P. R. / Puccio, E. M. T. / Ernst, J. A. / Gorodeisky, R. / Guttman, N. / Peimer, D. R. / Soffer, A. / Spanier, S. M. / Ritchie, J. L. / Izen, J. M. / Lou, X. C. / Bianchi, F. / De Mori, F. / Filippi, A. / Lanceri, L. / Vitale, L. / Martinez-Vidal, F. / Oyanguren, A. / Albert, J. / Beaulieu, A. / Bernlochner, F. U. / King, G. J. / Kowalewski, R. / Lueck, T. / Miller, C. / Nugent, I. M. / Roney, J. M. / Sobie, R. J. / Gershon, T. J. / Harrison, P. F. / Latham, T. E. / Wu, S. L.

2023

Abstract: Using the entire BaBar $\Upsilon(4S)$ data set, the first two-dimensional unbinned angular analysis of the semileptonic decay $\overline{B} \rightarrow D \ell^- \overline{\nu}_\ell$ is performed, employing hadronic reconstruction of the tag-side $B$ ... ...

Abstract	Using the entire BaBar $\Upsilon(4S)$ data set, the first two-dimensional unbinned angular analysis of the semileptonic decay $\overline{B} \rightarrow D \ell^- \overline{\nu}_\ell$ is performed, employing hadronic reconstruction of the tag-side $B$ meson from $\Upsilon(4S)\to B\overline{B}$. Here, $\ell$ denotes the light charged leptons $e$ and $\mu$. A novel data-driven signal-background separation procedure with minimal dependence on simulation is developed. This procedure preserves all multi-dimensional correlations present in the data. The expected $\sin^2\theta_\ell$ dependence of the differential decay rate in the Standard Model is demonstrated, where $\theta_\ell$ is the lepton helicity angle. Including input from the latest lattice QCD calculations and previously available experimental data, the underlying form factors are extracted using both model-independent (BGL) and dependent (CLN) methods. Comparisons with lattice calculations show flavor SU(3) symmetry to be a good approximation in the $B_{(s)}\to D_{(s)}$ sector. Using the BGL results, the CKM matrix element $\|V_{cb}\|=(41.09\pm 1.16)\times 10^{-3}$ and the Standard Model prediction of the lepton-flavor universality violation variable $\mathcal{R}(D)=0.300\pm 0.004$, are extracted. The value of $\|V_{cb}\|$ from $\overline{B} \rightarrow D \ell^- \overline{\nu}_\ell$ tends to be higher than that extracted using $\overline{B} \rightarrow D \ell^- \overline{\nu}_\ell$. The Standard Model $\mathcal{R}(D)$ calculation is at a $1.97\sigma$ tension with the latest HFLAV experimental average.
Keywords	High Energy Physics - Experiment
Subject code	612
Publishing date	2023-11-25
Publishing country	us
Document type	Book ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Recent results from SND experiment at VEPP-2000 collider

Otboev A.V. / Onuchin A.P. / Obrazovsky A.E. / Martin K.A. / Kravchenko E.A. / Kovrizhin D.P. / Koshuba S.V. / Korol A.A. / Koop I.A. / Kirpotin A.N. / Kharlamov A.G. / Kasaev A.S. / Kardapoltsev L.V. / Grevtsov K.I. / Golubev V.B. / Druzhinin V.P. / Dimova T.V. / Bukin D.A. / Botov A.A. /

EPJ Web of Conferences, Vol 37, p

2012 Volume 09020

Abstract: Preliminary results of the SND experiment at the VEPP-2000 e+e− collider are presented. Data corresponding to about 40 pb−1 of integrated luminosity were collected in the e+e− c.m. energy range from 1.05 to 2.00 GeV. The cross sections for e+e− → ωπ0, π+ ... ...

Abstract	Preliminary results of the SND experiment at the VEPP-2000 e+e− collider are presented. Data corresponding to about 40 pb−1 of integrated luminosity were collected in the e+e− c.m. energy range from 1.05 to 2.00 GeV. The cross sections for e+e− → ωπ0, π+π−4π0, pp¯${m{par p}}$, nn¯${m{nar n}}$ have been measured.
Keywords	Physics ; QC1-999 ; Science ; Q ; DOAJ:Physics (General) ; DOAJ:Physics and Astronomy
Language	English
Publishing date	2012-12-01T00:00:00Z
Publisher	EDP Sciences
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Light Hadron Production in Experiments with the SND Detector at the e+e- Collider VEPP-2000

Achasov M.N. / Barnyakov A.Yu. / Barnyakov M.Yu. / Beloborodov K.I. / Berdyugin A.V. / Berkaev D.E. / Blinov V.E. / Bobrovnikov V.S. / Bogdanchikov A.G. / Botov A.A. / Buzykaev A.R. / Dimova T.V. / Druzhinin V.P. / Golubev V.B. / Kardapoltsev L.V. / Kharlamov A.G. / Kirpotin A.N. / Kononov S.A. / Koop I.A. /

EPJ Web of Conferences, Vol 81, p

2014 Volume 02018

Abstract: The experiments have been carried out with the SND detector at the VEPP-2000 e+e− collider in the energy range from 0.3 to 2.0 GeV. The cross sections for the processes e+e− → ωπ0, K+K−, 3π, ηπ+π−, ηγ, pp̄, nn̄ have been measured. ...

Abstract	The experiments have been carried out with the SND detector at the VEPP-2000 e+e− collider in the energy range from 0.3 to 2.0 GeV. The cross sections for the processes e+e− → ωπ0, K+K−, 3π, ηπ+π−, ηγ, pp̄, nn̄ have been measured.
Keywords	Physics ; QC1-999 ; Science ; Q
Language	English
Publishing date	2014-01-01T00:00:00Z
Publisher	EDP Sciences
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Light Hadron Production in Experiments with the SND Detector at the e+e- Collider VEPP-2000

EPJ Web of Conferences, Vol 81, p

2014 Volume 02018

Abstract	The experiments have been carried out with the SND detector at the VEPP-2000 e+e− collider in the energy range from 0.3 to 2.0 GeV. The cross sections for the processes e+e− → ωπ0, K+K−, 3π, ηπ+π−, ηγ, pp̄, nn̄ have been measured.
Keywords	Physics ; QC1-999 ; Science ; Q
Language	English
Publishing date	2014-01-01T00:00:00Z
Publisher	EDP Sciences
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Search for an Axionlike Particle in B Meson Decays.

Lees, J P / Poireau, V / Tisserand, V / Grauges, E / Palano, A / Eigen, G / Brown, D N / Kolomensky, Yu G / Fritsch, M / Koch, H / Schroeder, T / Cheaib, R / Hearty, C / Mattison, T S / McKenna, J A / So, R Y / Blinov, V E / Buzykaev, A R / Druzhinin, V P /

Golubev, V B / Kozyrev, E A / Kravchenko, E A / Onuchin, A P / Serednyakov, S I / Skovpen, Yu I / Solodov, E P / Todyshev, K Yu / Lankford, A J / Dey, B / Gary, J W / Long, O / Eisner, A M / Lockman, W S / Panduro Vazquez, W / Chao, D S / Cheng, C H / Echenard, B / Flood, K T / Hitlin, D G / Kim, J / Li, Y / Lin, D X / Middleton, S / Miyashita, T S / Ongmongkolkul, P / Oyang, J / Porter, F C / Röhrken, M / Huard, Z / Meadows, B T / Pushpawela, B G / Sokoloff, M D / Sun, L / Smith, J G / Wagner, S R / Bernard, D / Verderi, M / Bettoni, D / Bozzi, C / Calabrese, R / Cibinetto, G / Fioravanti, E / Garzia, I / Luppi, E / Santoro, V / Calcaterra, A / de Sangro, R / Finocchiaro, G / Martellotti, S / Patteri, P / Peruzzi, I M / Piccolo, M / Rotondo, M / Zallo, A / Passaggio, S / Patrignani, C / Flood, I / Nguyen, N / Shuve, B J / Lacker, H M / Bhuyan, B / Mallik, U / Chen, C / Cochran, J / Prell, S / Gritsan, A V / Arnaud, N / Davier, M / Le Diberder, F / Lutz, A M / Wormser, G / Lange, D J / Wright, D M / Coleman, J P / Gabathuler, E / Hutchcroft, D E / Payne, D J / Touramanis, C / Bevan, A J / Di Lodovico, F / Sacco, R / Cowan, G / Banerjee, Sw / Davis, C L / Denig, A G / Gradl, W / Griessinger, K / Hafner, A / Schubert, K R / Barlow, R J / Lafferty, G D / Cenci, R / Jawahery, A / Roberts, D A / Cowan, R / Robertson, S H / Seddon, R M / Neri, N / Palombo, F / Cremaldi, L / Godang, R / Summers, D J / Taras, P / De Nardo, G / Sciacca, C / Raven, G / Jessop, C P / LoSecco, J M / Honscheid, K / Kass, R / Gaz, A / Margoni, M / Posocco, M / Simi, G / Simonetto, F / Stroili, R / Akar, S / Ben-Haim, E / Bomben, M / Bonneaud, G R / Calderini, G / Chauveau, J / Marchiori, G / Ocariz, J / Biasini, M / Manoni, E / Rossi, A / Batignani, G / Bettarini, S / Carpinelli, M / Casarosa, G / Chrzaszcz, M / De Nuccio, M / Forti, F / Giorgi, M A / Lusiani, A / Oberhof, B / Paoloni, E / Rama, M / Rizzo, G / Walsh, J J / Zani, L / Smith, A J S / Anulli, F / Faccini, R / Ferrarotto, F / Ferroni, F / Pilloni, A / Piredda, G / Bünger, C / Dittrich, S / Grünberg, O / Heß, M / Leddig, T / Voß, C / Waldi, R / Adye, T / Wilson, F F / Emery, S / Vasseur, G / Aston, D / Cartaro, C / Convery, M R / Dorfan, J / Dunwoodie, W / Ebert, M / Field, R C / Fulsom, B G / Graham, M T / Hast, C / Innes, W R / Kim, P / Leith, D W G S / Luitz, S / MacFarlane, D B / Muller, D R / Neal, H / Ratcliff, B N / Roodman, A / Sullivan, M K / Va'vra, J / Wisniewski, W J / Purohit, M V / Wilson, J R / Randle-Conde, A / Sekula, S J / Ahmed, H / Tasneem, N / Bellis, M / Burchat, P R / Puccio, E M T / Alam, M S / Ernst, J A / Gorodeisky, R / Guttman, N / Peimer, D R / Soffer, A / Spanier, S M / Ritchie, J L / Schwitters, R F / Izen, J M / Lou, X C / Bianchi, F / De Mori, F / Filippi, A / Gamba, D / Lanceri, L / Vitale, L / Martinez-Vidal, F / Oyanguren, A / Albert, J / Beaulieu, A / Bernlochner, F U / King, G J / Kowalewski, R / Lueck, T / Miller, C / Nugent, I M / Roney, J M / Sobie, R J / Gershon, T J / Harrison, P F / Latham, T E / Prepost, R / Wu, S L

Physical review letters

2022 Volume 128, Issue 13, Page(s) 131802

Abstract: Axionlike particles (ALPs) are predicted in many extensions of the standard model, and their masses can naturally be well below the electroweak scale. In the presence of couplings to electroweak bosons, these particles could be emitted in flavor-changing ...

Abstract	Axionlike particles (ALPs) are predicted in many extensions of the standard model, and their masses can naturally be well below the electroweak scale. In the presence of couplings to electroweak bosons, these particles could be emitted in flavor-changing B meson decays. We report herein a search for an ALP, a, in the reaction B^{±}→K^{±}a, a→γγ using data collected by the BABAR experiment at SLAC. No significant signal is observed, and 90% confidence level upper limits on the ALP coupling to electroweak bosons are derived as a function of ALP mass, improving current constraints by several orders of magnitude in the range 0.175 GeV<m_{a}<4.78 GeV.<br />
Language	English
Publishing date	2022-04-15
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.128.131802
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Search for Lepton Flavor Violation in ϒ(3S)→e^{±}μ^{∓}.

Golubev, V B / Kozyrev, E A / Kravchenko, E A / Onuchin, A P / Serednyakov, S I / Skovpen, Yu I / Solodov, E P / Todyshev, K Yu / Lankford, A J / Dey, B / Gary, J W / Long, O / Eisner, A M / Lockman, W S / Panduro Vazquez, W / Chao, D S / Cheng, C H / Echenard, B / Flood, K T / Hitlin, D G / Kim, J / Li, Y / Lin, D X / Middleton, S / Miyashita, T S / Ongmongkolkul, P / Oyang, J / Porter, F C / Röhrken, M / Huard, Z / Meadows, B T / Pushpawela, B G / Sokoloff, M D / Sun, L / Smith, J G / Wagner, S R / Bernard, D / Verderi, M / Bettoni, D / Bozzi, C / Calabrese, R / Cibinetto, G / Fioravanti, E / Garzia, I / Luppi, E / Santoro, V / Calcaterra, A / de Sangro, R / Finocchiaro, G / Martellotti, S / Patteri, P / Peruzzi, I M / Piccolo, M / Rotondo, M / Zallo, A / Passaggio, S / Patrignani, C / Shuve, B J / Lacker, H M / Bhuyan, B / Mallik, U / Chen, C / Cochran, J / Prell, S / Gritsan, A V / Arnaud, N / Davier, M / Le Diberder, F / Lutz, A M / Wormser, G / Lange, D J / Wright, D M / Coleman, J P / Gabathuler, E / Hutchcroft, D E / Payne, D J / Touramanis, C / Bevan, A J / Di Lodovico, F / Sacco, R / Cowan, G / Banerjee, Sw / Davis, C L / Denig, A G / Gradl, W / Griessinger, K / Hafner, A / Schubert, K R / Barlow, R J / Lafferty, G D / Cenci, R / Jawahery, A / Roberts, D A / Cowan, R / Robertson, S H / Seddon, R M / Neri, N / Palombo, F / Cremaldi, L / Godang, R / Summers, D J / Taras, P / De Nardo, G / Sciacca, C / Raven, G / Jessop, C P / LoSecco, J M / Honscheid, K / Kass, R / Gaz, A / Margoni, M / Posocco, M / Simi, G / Simonetto, F / Stroili, R / Akar, S / Ben-Haim, E / Bomben, M / Bonneaud, G R / Calderini, G / Chauveau, J / Marchiori, G / Ocariz, J / Biasini, M / Manoni, E / Rossi, A / Batignani, G / Bettarini, S / Carpinelli, M / Casarosa, G / Chrzaszcz, M / Forti, F / Giorgi, M A / Lusiani, A / Oberhof, B / Paoloni, E / Rama, M / Rizzo, G / Walsh, J J / Zani, L / Smith, A J S / Anulli, F / Faccini, R / Ferrarotto, F / Ferroni, F / Pilloni, A / Piredda, G / Bünger, C / Dittrich, S / Grünberg, O / Heß, M / Leddig, T / Voß, C / Waldi, R / Adye, T / Wilson, F F / Emery, S / Vasseur, G / Aston, D / Cartaro, C / Convery, M R / Dorfan, J / Dunwoodie, W / Ebert, M / Field, R C / Fulsom, B G / Graham, M T / Hast, C / Innes, W R / Kim, P / Leith, D W G S / Luitz, S / MacFarlane, D B / Muller, D R / Neal, H / Ratcliff, B N / Roodman, A / Sullivan, M K / Va'vra, J / Wisniewski, W J / Purohit, M V / Wilson, J R / Randle-Conde, A / Sekula, S J / Ahmed, H / Bellis, M / Burchat, P R / Puccio, E M T / Alam, M S / Ernst, J A / Gorodeisky, R / Guttman, N / Peimer, D R / Soffer, A / Spanier, S M / Ritchie, J L / Schwitters, R F / Izen, J M / Lou, X C / Bianchi, F / De Mori, F / Filippi, A / Gamba, D / Lanceri, L / Vitale, L / Martinez-Vidal, F / Oyanguren, A / Albert, J / Beaulieu, A / Bernlochner, F U / King, G J / Kowalewski, R / Lueck, T / Nugent, I M / Roney, J M / Sobie, R J / Tasneem, N / Gershon, T J / Harrison, P F / Latham, T E / Prepost, R / Wu, S L

Physical review letters

2022 Volume 128, Issue 9, Page(s) 91804

Abstract: We report on the first search for electron-muon lepton flavor violation (LFV) in the decay of a b quark and b antiquark bound state. We look for the LFV decay ϒ(3S)→e^{±}μ^{∓} in a sample of 118 million ϒ(3S) mesons from 27 fb^{-1} of data collected ... ...

Abstract	We report on the first search for electron-muon lepton flavor violation (LFV) in the decay of a b quark and b antiquark bound state. We look for the LFV decay ϒ(3S)→e^{±}μ^{∓} in a sample of 118 million ϒ(3S) mesons from 27 fb^{-1} of data collected with the BABAR detector at the SLAC PEP-II e^{+}e^{-} collider operating with a 10.36 GeV center-of-mass energy. No evidence for a signal is found, and we set a limit on the branching fraction B[ϒ(3S)→e^{±}μ^{∓}]<3.6×10^{-7} at 90% C. L. This result can be interpreted as a limit Λ_{NP}/g_{NP}^{2}>80 TeV on the energy scale Λ_{NP} divided by the coupling-squared g_{NP}^{2} of relevant new physics (NP).
Language	English
Publishing date	2022-03-18
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.128.091804
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Search for Darkonium in e^{+}e^{-} Collisions.

Golubev, V B / Kozyrev, E A / Kravchenko, E A / Onuchin, A P / Serednyakov, S I / Skovpen, Yu I / Solodov, E P / Todyshev, K Yu / Lankford, A J / Dey, B / Gary, J W / Long, O / Eisner, A M / Lockman, W S / Panduro Vazquez, W / Chao, D S / Cheng, C H / Echenard, B / Flood, K T / Hitlin, D G / Kim, J / Li, Y / Lin, D X / Miyashita, T S / Ongmongkolkul, P / Oyang, J / Porter, F C / Röhrken, M / Huard, Z / Meadows, B T / Pushpawela, B G / Sokoloff, M D / Sun, L / Smith, J G / Wagner, S R / Bernard, D / Verderi, M / Bettoni, D / Bozzi, C / Calabrese, R / Cibinetto, G / Fioravanti, E / Garzia, I / Luppi, E / Santoro, V / Calcaterra, A / de Sangro, R / Finocchiaro, G / Martellotti, S / Patteri, P / Peruzzi, I M / Piccolo, M / Rotondo, M / Zallo, A / Passaggio, S / Patrignani, C / Shuve, B J / Lacker, H M / Bhuyan, B / Mallik, U / Chen, C / Cochran, J / Prell, S / Gritsan, A V / Arnaud, N / Davier, M / Le Diberder, F / Lutz, A M / Wormser, G / Lange, D J / Wright, D M / Coleman, J P / Gabathuler, E / Hutchcroft, D E / Payne, D J / Touramanis, C / Bevan, A J / Di Lodovico, F / Sacco, R / Cowan, G / Banerjee, Sw / Davis, C L / Denig, A G / Gradl, W / Griessinger, K / Hafner, A / Schubert, K R / Barlow, R J / Lafferty, G D / Cenci, R / Jawahery, A / Roberts, D A / Cowan, R / Robertson, S H / Seddon, R M / Neri, N / Palombo, F / Cremaldi, L / Godang, R / Summers, D J / Taras, P / De Nardo, G / Sciacca, C / Raven, G / Jessop, C P / LoSecco, J M / Honscheid, K / Kass, R / Gaz, A / Margoni, M / Posocco, M / Simi, G / Simonetto, F / Stroili, R / Akar, S / Ben-Haim, E / Bomben, M / Bonneaud, G R / Calderini, G / Chauveau, J / Marchiori, G / Ocariz, J / Biasini, M / Manoni, E / Rossi, A / Batignani, G / Bettarini, S / Carpinelli, M / Casarosa, G / Chrzaszcz, M / Forti, F / Giorgi, M A / Lusiani, A / Oberhof, B / Paoloni, E / Rama, M / Rizzo, G / Walsh, J J / Zani, L / Smith, A J S / Anulli, F / Faccini, R / Ferrarotto, F / Ferroni, F / Pilloni, A / Piredda, G / Bünger, C / Dittrich, S / Grünberg, O / Heß, M / Leddig, T / Voß, C / Waldi, R / Adye, T / Wilson, F F / Emery, S / Vasseur, G / Aston, D / Cartaro, C / Convery, M R / Dorfan, J / Dunwoodie, W / Ebert, M / Field, R C / Fulsom, B G / Graham, M T / Hast, C / Innes, W R / Kim, P / Leith, D W G S / Luitz, S / MacFarlane, D B / Muller, D R / Neal, H / Ratcliff, B N / Roodman, A / Sullivan, M K / Va'vra, J / Wisniewski, W J / Purohit, M V / Wilson, J R / Randle-Conde, A / Sekula, S J / Ahmed, H / Bellis, M / Burchat, P R / Puccio, E M T / Alam, M S / Ernst, J A / Gorodeisky, R / Guttman, N / Peimer, D R / Soffer, A / Spanier, S M / Ritchie, J L / Schwitters, R F / Izen, J M / Lou, X C / Bianchi, F / De Mori, F / Filippi, A / Gamba, D / Lanceri, L / Vitale, L / Martinez-Vidal, F / Oyanguren, A / Albert, J / Beaulieu, A / Bernlochner, F U / King, G J / Kowalewski, R / Lueck, T / Nugent, I M / Roney, J M / Sobie, R J / Tasneem, N / Gershon, T J / Harrison, P F / Latham, T E / Prepost, R / Wu, S L

Physical review letters

2022 Volume 128, Issue 2, Page(s) 21802

Abstract: Collider searches for dark sectors, new particles interacting only feebly with ordinary matter, have largely focused on identifying signatures of new mediators, leaving much of dark sector structures unexplored. In particular, the existence of dark ... ...

Abstract	Collider searches for dark sectors, new particles interacting only feebly with ordinary matter, have largely focused on identifying signatures of new mediators, leaving much of dark sector structures unexplored. In particular, the existence of dark matter bound states (darkonia) remains to be investigated. This possibility could arise in a simple model in which a dark photon (A^{'}) is light enough to generate an attractive force between dark fermions. We report herein a search for a J^{PC}=1^{--} darkonium state, the ϒ_{D}, produced in the reaction e^{+}e^{-}→γϒ_{D}, ϒ_{D}→A^{'}A^{'}A^{'}, where the dark photons subsequently decay into pairs of leptons or pions, using 514 fb^{-1} of data collected with the BABAR detector. No significant signal is observed, and we set bounds on the γ-A^{'} kinetic mixing as a function of the dark sector coupling constant for 0.001<m_{A^{'}}<3.16 GeV and 0.05<m_{ϒ_{D}}<9.5 GeV.<br />
Language	English
Publishing date	2022-01-28
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.128.021802
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Measurement of the hadronic cross sections at Novosibirsk

Logashenko I.B. / Achasov M.N. / Akhmetshin R.R. / Amirkhanov A.N. / Anisenkov A.V. / Aulchenko V.M. / Banzarov V.S. / Bashtovoy N.S. / Barnyakov A.Yu. / Beloborodov K.I. / Berdyugin A.V. / Berkaev D.E. / Bogdanchikov A.G. / Botov A.A. / Bragin A.V. / Dimova T.V. / Druzhinin V.P. / Eidelman S.I. / Epifanov D.A. /

Epshteyn L.B. / Erofeev A.L. / Fedotovich G.V. / Gayazov S.E. / Golubev V.B. / Grebenuk A.A. / Grigoriev D.N. / Gromov E.M. / Ignatov F.V. / Kardapoltsev L.V. / Karpov S.V. / Kazanin V.F. / Kharlamov A.G. / Koop I.A. / Korol A.A. / Koshuba S.V. / Kovalenko O.A. / Kovrizhin D.P. / Kozyrev A.N. / Kozyrev E.A. / Krokovny P.P. / Kupich A.S. / Kuzmenko A.E. / Kuzmin A.S. / Lukin P.A. / Martin K.A. / Mikhailov K.Yu. / Obrazovsky A.E. / Okhapkin V.S. / Otboev A.V. / Pakhtusova E.V. / Pestov Yu.N. / Popov A.S. / Razuvaev G.P. / Rogovsky Yu.A. / Romanov A.L. / Ruban A.A. / Ryskulov N.M. / Ryzhenenkov A.E. / Serednyakov S.I. / Shebalin V.E. / Shemyakin D.N. / Shtol D.A. / Shwartz B.A. / Shwartz D.B. / Sibidanov A.L. / Silagadze Z.K. / Shatunov P.Yu. / Shatunov Yu.M. / Solodov E.P. / Surin I.K. / Titov V.M. / Talyshev A.A. / Vasiljev A.V. / Vorobiov A.I. / Yudin Yu.V.

EPJ Web of Conferences, Vol 96, p

2015 Volume 01022

Abstract: Two experiments, CMD-3 and SND, collected over 100 pb−1 in total taking data in 2011-2013 at the VEPP-2000 electron-positron collider. The data sample covers the whole available c.m. energy range from 0.32 GeV to 2.0 GeV. An upgrade of VEPP-2000 started ... ...

Abstract	Two experiments, CMD-3 and SND, collected over 100 pb−1 in total taking data in 2011-2013 at the VEPP-2000 electron-positron collider. The data sample covers the whole available c.m. energy range from 0.32 GeV to 2.0 GeV. An upgrade of VEPP-2000 started in the second half of 2013, aimed at the luminosity increase up to 10 times at 2.0 GeV. Data taking is expected to resumed in 2015. The current results of analysis of the collected data for various modes of e+ e− → hadrons are discussed.
Keywords	Science ; Q ; Physics ; QC1-999
Language	English
Publishing date	2015-01-01T00:00:00Z
Publisher	EDP Sciences
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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