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Measurement of the CP -Violating Phase φs in B ¯ s0 → Ds+ Ds- Decays

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成果类型:
期刊论文
作者:
Aaij, R.*;Abellan Beteta, C.;Adeva, B.;Adinolfi, M.;Affolder, A.;...
通讯作者:
Aaij, R.
作者机构:
[Jans, E.; Ketel, T.; Tuning, N.; Pesen, E.; Tolk, S.; Pellegrino, A.; Syropoulos, V.; Merk, M.; Ali, S.; Koppenburg, P.; Dettori, F.; Tsopelas, P.; Snoek, H.; de Vries, J. A.; Koopman, R. F.; Heijne, V.; van Leerdam, J.; Raven, G.; Aaij, R.; Martinez Santos, D.; Lambert, R. W.; De Bruyn, K.; Oggero, S.; Kozlinskiy, A.; David, P. N. Y.; van Beuzekom, M.; Schiller, M.; Farinelli, C.; Hulsbergen, W.] Nikhef Natl Inst Subatom Phys, Amsterdam, Netherlands.
[Gomes, A.; Bediaga, I.; Massafferri, A.; Rodrigues, A. B.; dos Reis, A. C.; Ferreira Rodrigues, F.] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil.
[Hicheur, A.; Lopes, J. H.; Martins Tostes, D.; Molina Rodriguez, J.; Carvalho Akiba, K.; Goicochea, J. M. Otalora; Polycarpo, E.; Potterat, C.; Goebel, C.; Souza De Paula, B.; Cruz Torres, M.; Francisco, O.; De Paula, L.; Nasteva, I.; Gandelman, M.; Amato, S.; Rangel, M. S.; Szilard, D.; Salustino Guimaraes, V.; Vieira, D.] Univ Fed Rio de Janeiro UFRJ, Rio De Janeiro, Brazil.
[Gao, Y.; Yang, Z.; Waldi, R.; Li, Y.; Zhang, Y.; Yuan, X.; Zhong, L.; Gruenberg, O.; Jing, F.; An, L.; Voss, C.; Hess, M.] Tsinghua Univ, Ctr High Energy Phys, Beijing 100084, Peoples R China.
[Chefdeville, M.; Marchand, J. F.; Tisserand, V.; Decamp, D.; Ghez, Ph.; Qian, W.; Beaucourt, L.; Tournefier, E.; Pietrzyk, B.; Lees, J. -P.; T'Jampens, S.; Minard, M. -N.; Deleage, N.] Univ Savoie, LAPP, CNRS, IN2P3, Annecy Le Vieux, France.
通讯机构:
[Aaij, R.] N
Nikhef Natl Inst Subatom Phys, Amsterdam, Netherlands.
语种:
英文
期刊:
PHYSICAL REVIEW LETTERS
ISSN:
0031-9007
年:
2014
卷:
113
期:
21
页码:
211801-211801
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); 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); HGF (Germany); MPG (Germany)Max Planck Society; SFI (Ireland)Science Foundation Ireland; INFN (Italy)Istituto Nazionale di Fisica Nucleare (INFN); FOM (The Netherlands)FOM (The Netherlands)Netherlands Government; 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); FANO (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); IN2P3 (France); KIT (Germany); SURF (The Netherlands)Netherlands Government; PIC (Spain); GridPP (United Kingdom); EPLANET; Marie Sklodowska-Curie Actions; ERC (European Union)European Research Council (ERC); Conseil general de Haute-SavoieRegion Auvergne-Rhone-Alpes; Labex ENIGMASS; OCEVU; Region Auvergne (France)Region Auvergne-Rhone-Alpes; RFBR (Russia)Russian Foundation for Basic Research (RFBR); XuntaGal (Spain); GENCAT (Spain); Royal Society and Royal Commission (United Kingdom); Division Of PhysicsNational Science Foundation (NSF)NSF - Directorate for Mathematical & Physical Sciences (MPS) [1205805] Funding Source: National Science Foundation
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:
We present a measurement of the CP-violating weak mixing phase phi(s) using the decay (B) over bar (0)(s) -> Ds+Ds- in a data sample corresponding to 3.0 fb(-1) of integrated luminosity collected with the LHCb detector in pp collisions at center-of-mass energies of 7 and 8 TeV. An analysis of the time evolution of the system, which does not use the constraint vertical bar lambda vertical bar = 1 to allow for the presence of CP violation in decay, yields phi(s) = 0.02 +/- 0.17(stat) +/- 0.02(syst) rad, vertical bar lambda vertical bar = 0.91(-0.15)(+0.18)(stat) +/- 0.02...

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