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Measurement of CP violation in B-0 -> J/psi K-S(0) and B-0 -> psi(2S) K-S(0) decays

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成果类型:
期刊论文
作者:
Aaij, R.;Adeva, B.;Adinolfi, M.;Ajaltouni, Z.;Akar, S.;...
通讯作者:
Mueller, V.
作者机构:
[Di Canto, A.; Durante, P.; Ferro-Luzzi, M.; Bozzi, C.; Fontana, M.; Francisco, O. De Aguiar; Tuning, N.; Kvaratskheliya, T.; Ponce, S.; Karacson, M.; Merli, A.; Byczynski, W.; Hatch, M.; Forty, R.; Corti, G.; McCann, M.; Schmidt, B.; Gaspar, C.; Perez, D. H. Campora; Voneki, B.; Roiser, S.; Seyfert, P.; Wyllie, K.; Dordei, F.; Chobanova, V.; Contu, A.; Lacarrere, D.; Leflat, A.; Cattaneo, M.; Jost, B.; Hasse, C.; Farber, C.; Rihl, M.; Lindner, R.; Dijkstra, H.; Chitic, S. -G.; Thomas, E.; Funk, W.; Palutan, M.; Belyaev, I.; Lemaitre, F.; Collins, P.; Jacobsson, R.; Neufeld, N.; Buytaert, J.; Frei, C.; Aaij, R.; Mathe, Z.; Stagni, F.; Pearce, A.; Teubert, F.; Lupton, O.; Perazzini, S.; Gys, T.; Frank, M.; Clemencic, M.; Pisani, F.; Valassi, A.; Alessio, F.; Trisovic, A.; Fohl, K.; Popov, D.; Maurin, B.; Matev, R.; Cardoso, L. A. Granado; Joram, C.; Altarelli, M. Pepe; Barschel, C.; Charpentier, Ph.; Ruf, T.; Neri, N.; Whitehead, M.; Stahl, S.; Bettler, M. -O.; Gruber, L.; Schopper, A.; Couturier, B.; Cavallero, G.; Wilson, F. F.; Maev, O.; Salzgeber, M. Ravonel; Schindler, H.; Haen, C.; Barbosa, J. V. Viana; Dziurda, A.; Johnson, D.; Dorigo, M.; Passaleva, G.; Schwemmer, R.; Vagnoni, V.; D'Ambrosio, C.; Declara, P. Fernandez; Closier, J.; van Herwijnen, E.; Coombs, G.; Valat, S.; Sridharan, S.; Colombo, T.] European Org Nucl Res CERN, Geneva, Switzerland.
[Massafferri, A.; De Miranda, J. M.; Rios, C. Santamarina; Rodriguez, J. Molina; Torres, M. Cruz; Gomes, A.; Lavra, L. Soares; Bediaga, I.; Aoude, R. Tourinho Jadallah; Rodrigues, A. B.; dos Reis, A. C.; Guimaraes, V. Salustino] CBPF, Rio De Janeiro, Brazil.
[De Paula, B. Souza; de Oliveira, L. Silva; Lopes, J. H.; Marinho, F. Da Cunha; Goicochea, J. M. Otalora; Polycarpo, E.; Gandelman, M.; Rangel, M. S.; Tostes, D. Martins; Hicheur, A.; Potterat, C.; Rodrigues, F. Ferreira; Akiba, K. Carvalho; De Paula, L.; Nasteva, I.] Univ Fed Rio de Janeiro, Rio de Janeiro, Brazil.
[Gao, Y.; Yang, Z.; Jiang, F.; Li, T.; Sun, J.; Zhu, X.; An, L.; Davis, A.; Zhang, L.; Liu, X.] Tsinghua Univ, Ctr High Energy Phys, Beijing, Peoples R China.
[Chefdeville, M.; Decamp, D.; Reboud, M.; Beaucourt, L.; T'Jampens, S.; Marchand, J. F.; Tisserand, V.; Xu, Z.; Ghez, Ph.; Tournefier, E.; Pietrzyk, B.; Minard, M. -N.] Univ Savoie Mont Blanc, CNRS, IN2P3, LAPP, Annecy Le Vieux, France.
通讯机构:
[Mueller, V.] T
Tech Univ Dortmund, Fak Phys, Dortmund, Germany.
语种:
英文
关键词:
B physics;CKM angle beta;CP violation;Flavor physics;Hadron-Hadron scattering (experiments)
期刊:
Journal of High Energy Physics
ISSN:
1029-8479
年:
2017
卷:
2017
期:
11
页码:
1-18
基金类别:
CAPES (Brazil)CAPES; CNPq (Brazil)National Council for Scientific and Technological Development (CNPq); FAPERJ (Brazil)Carlos Chagas Filho Foundation for Research Support of the State of Rio de Janeiro (FAPERJ); FINEP (Brazil)Ciencia Tecnologia e Inovacao (FINEP); MOST (China)Ministry of Science and Technology, China; NSFC (China)National Natural Science Foundation of China (NSFC); CNRS/IN2P3 (France)Centre National de la Recherche Scientifique (CNRS); BMBF (Germany)Federal Ministry of Education & Research (BMBF); DFG (Germany)German Research Foundation (DFG); MPG (Germany)Max Planck Society; INFN (Italy)Istituto Nazionale di Fisica Nucleare (INFN); NWO (The Netherlands)Netherlands Organization for Scientific Research (NWO)Netherlands Government; MNiSW (Poland)Ministry of Science and Higher Education, Poland; NCN (Poland); MEN/IFA (Romania); MinES (Russia); FASO (Russia); MinECo (Spain); SNSF (Switzerland)Swiss National Science Foundation (SNSF); SER (Switzerland); NASU (Ukraine); STFC (United Kingdom)UK Research & Innovation (UKRI)Science & Technology Facilities Council (STFC); NSF (U.S.A.)National Science Foundation (NSF); AvH Foundation (Germany)Alexander von Humboldt Foundation; EPLANET (European Union); Marie Sklodowska-Curie Actions (European Union); ERC (European Union)European Research Council (ERC); ANR (France)French National Research Agency (ANR); Labex P2IO (France); ENIGMASS (France); OCEVU (France); Region Auvergne-Rhone Alpes (France)Region Auvergne-Rhone-Alpes; RFBR (Russia)Russian Foundation for Basic Research (RFBR); Yandex LLC (Russia); GVA (Spain); XuntaGal (Spain); GENCAT (Spain); Herchel Smith Fund (United Kingdom); Royal Society (United Kingdom)Royal Society of London; English-Speaking Union (United Kingdom); Leverhulme Trust (United Kingdom)Leverhulme Trust; CERN; Science and Technology Facilities CouncilUK Research & Innovation (UKRI)Science & Technology Facilities Council (STFC) [1565116, ST/K003410/1, LHCb, ST/J004332/1, 1641747, 1681016, GRIDPP, ST/N000250/1, LHCb Upgrades, 1397914, 1416165, ST/N000331/1, ST/H006737/1] Funding Source: researchfish
机构署名:
本校为其他机构
院系归属:
物理科学与技术学院
摘要:
A measurement is presented of decay-time-dependent CP violation in the decays B0 → J/ψ K S 0 and B0 → ψ(2S)K S 0 , where the J/ψ is reconstructed from two electrons and the ψ(2S) from two muons. The analysis uses a sample of pp collision data recorded with the LHCb experiment at centre-of-mass energies of 7 and 8 TeV, corresponding to an integrated luminosity of 3 fb−1. The CP -violation observables are measured to be $$ \begin{array}{l}C\left({B}^0\to J/\psi \kern0.5em {K}_{\mathrm{S}}^0\right)=0.12\pm 0.07\pm 0....

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