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Measurement of CP asymmetries in two-body B-(s)(0)-meson decays to charged pions and kaons

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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:
Aaij, R.
作者机构:
[Ketel, T.; Mulder, M.; Tuning, N.; van Tilburg, J.; Ali, S.; de Vries, J. A.; Aaij, R.; Greim, R.; van Beuzekom, M.; Dufour, L.; Jans, E.; Bel, L. J.; Esen, S.; Dall'Occo, E.; Pellegrino, A.; Vitkovskiy, A.; Syropoulos, V.; Merk, M.; Onderwater, C. J. G.; Archilli, F.; van Veghel, M.; Koppenburg, P.; Artamonov, A.; Raven, G.; Sierra, C. Vazquez; Govorkova, E.; Benson, S.; Hulsbergen, W.] Nikhef Natl Inst Subat Phys, Amsterdam, Netherlands.
[Massafferri, A.; De Miranda, J. M.; Rodriguez, J. Molina; Torres, M. Cruz; Gomes, A.; Lavra, L. Soares; Bediaga, I.; Aoude, R. Tourinho Jadallah; dos Reis, A. C.] CBPF, Rio De Janeiro, Brazil.
[Lopes, J. H.; Marinho, F. Da Cunha; Goicochea, J. M. Otalora; Polycarpo, E.; Souza De Paula, B.; Gandelman, M.; Rangel, M. S.; Hicheur, A.; Potterat, C.; Rodrigues, F. Ferreira; Goebel, C.; Akiba, K. Carvalho; Silva de Oliveira, L.; Guimaraes, V. Salustino; De Paula, L.; Nasteva, I.; Amato, S.] Univ Fed Rio de Janeiro, Rio De Janeiro, Brazil.
[Gao, Y.; Yang, Z.; Cai, H.; Jiang, F.; Beliy, N.; Xu, A.; Li, T.; Lyu, X.; Tang, Z.; Xu, Q.; Huang, W.; Xu, Z.; Li, P. -R.; Wang, M.; He, J.; Qian, W.; Sun, J.; Qin, J.; Zheng, Y.; Zhu, X.; Sun, L.; An, L.; Davis, A.; Zhang, L.; Liu, X.; Vieira, D.] Tsinghua Univ, Ctr High Energy Phys, Beijing, Peoples R China.
[Chefdeville, M.; Decamp, D.; Reboud, M.; T'Jampens, S.; Marchand, J. F.; Xu, Z.; Ghez, Ph.; Tournefier, E.; Pietrzyk, B.; Minard, M. -N.; Pistone, A.] Univ Savoie Mt Blanc, Univ Grenoble Alpes, CNRS, IN2P3,LAPP, Annecy, France.
通讯机构:
[Aaij, R.] N
Nikhef Natl Inst Subat Phys, Amsterdam, Netherlands.
语种:
英文
期刊:
PHYSICAL REVIEW D
ISSN:
2470-0010
年:
2018
卷:
98
期:
3
基金类别:
CERN; 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 (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 (USA)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 OCEVU (France); Region Auvergne-Rhone-Alpes (France)Region Auvergne-Rhone-Alpes; Key Research Program of Frontier Sciences of CAS (China); CAS PIFI (China); Thousand Talents Program (China); RFBR (Russia)Russian Foundation for Basic Research (RFBR); RSF (Russia)Russian Science Foundation (RSF); 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; Labex P2IO (France)
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:
The time-dependent CP asymmetries in B-0 -> pi(+)pi(-) and B-(s)(0) -> K+K- decays are measured using a data sample of p p collisions corresponding to an integrated luminosity of 3.0 fb(-1), collected with the LHCb detector at center-of-mass energies of 7 and 8 TeV. The same data sample is used to measure the time-integrated CP asymmetries in B-0 -> K+pi(-) and B-(s)(0) -> pi K-+(-) decays. The results are C pi+pi- = -0.34 +/- 0.06 +/- 0.01, S pi+pi- = -0.63 +/- 0.05 +/- 0.01, CK+K- = 0.20 +/- 0.06 +/- 0.02, SK+K- = 0.18 +/- 0.06 +/- 0.02, A(K+K-)(Delta Gamma) = -0.79 +/- 0.07 +/- 0.10, A(CP)(...

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