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Measurement of the Difference of Time-Integrated CP Asymmetries in D0 → K-K+ and D0 → π-π + 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:
[Fohl, K.; Di Canto, A.; Pepe Altarelli, M.; Popov, D.; Durante, P.; Matev, R.; Ferro-Luzzi, M.; Bozzi, C.; Joram, C.; Campora Perez, D.; Tuning, N.; Baldini, W.; Barschel, C.; Karacson, M.; Charpentier, Ph.; Kenzie, M.; Marino, P.; Merli, A.; Ruf, T.; He, J.; Poikela, T.; Whitehead, M.; Forty, R.; Corti, G.; Schmidt, B.; Gaspar, C.; Otto, A.; Stahl, S.; Bettler, M. -O.; Linn, C.; Roiser, S.; Barter, W.; Schopper, A.; Wyllie, K.; Langhans, B.; Dordei, F.; Mapelli, A.; Contu, A.; Lacarrere, D.; Couturier, B.; Vacca, C.; Leflat, A.; Cattaneo, M.; Archilli, F.; Jost, B.; Farber, C.; Koppenburg, P.; Dungs, K.; Dettori, F.; Khanji, B.; Tonelli, D.; Rihl, M.; Granado Cardoso, L. A.; Rinnert, K.; Lindner, R.; Dijkstra, H.; Schindler, H.; Haen, C.; Cid Vidal, X.; Thomas, E.; Golutvin, A.; Johnson, D.; Collins, P.; Lafferty, G.; Jacobsson, R.; Neufeld, N.; Gligorov, V. V.; Schwemmer, R.; Buytaert, J.; Frei, C.; Aaij, R.; Mathe, Z.; D'Ambrosio, C.; Stagni, F.; Teubert, F.; Bondar, N.; Gys, T.; Sokoloff, M. D.; Wilkinson, G.; Closier, J.; Robbe, P.; Frank, M.; van Herwijnen, E.; Fiore, M.; Guz, Yu.; Panman, J.; Easo, S.; Karbach, T. M.; Clemencic, M.; Williams, M.; Schiller, M.; Benson, S.; Alessio, F.; Coco, V.; Sridharan, S.; Trisovic, A.] CERN, European Org Nucl Res, CH-1211 Geneva, Switzerland.
[Gomes, A.; Osorio Rodrigues, B.; Bediaga, I.; Massafferri, A.; Rodrigues, A. B.; dos Reis, A. C.; De Miranda, J. M.; Fleuret, F.; Ferreira Rodrigues, F.] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil.
[Hicheur, A.; Otalora Goicochea, J. M.; Lopes, J. H.; Martins Tostes, D.; Carvalho Akiba, K.; Polycarpo, E.; De Aguiar Francisco, O.; Potterat, C.; Souza De Paula, B.; Silva de Oliveira, L.; De Paula, L.; Nasteva, I.; Gandelman, M.; Amato, S.; Rangel, M. S.; Salustino Guimaraes, V.; Vieira, D.] Univ Fed Rio de Janeiro, Rio De Janeiro, Brazil.
[Gao, Y.; Yang, Z.; Zhang, Y.; Zhong, L.; An, L.; Zhang, L.; Liu, X.] Tsinghua Univ, Ctr High Energy Phys, Beijing 100084, Peoples R China.
[Chefdeville, M.; Marchand, J. F.; Tisserand, V.; Decamp, D.; Ghez, Ph.; Beaucourt, L.; Tournefier, E.; Pietrzyk, B.; Lees, J. -P.; T'Jampens, S.; Minard, M. -N.; Deleage, N.] Univ Savoie Mont Blanc, LAPP, CNRS, IN2P3, Annecy Le Vieux, France.
通讯机构:
[Aaij, R.] C
CERN, European Org Nucl Res, CH-1211 Geneva, Switzerland.
语种:
英文
期刊:
PHYSICAL REVIEW LETTERS
ISSN:
0031-9007
年:
2016
卷:
116
期:
19
页码:
191601
基金类别:
CERN; national agency: CAPES (Brazil); national agency: CNPq (Brazil); national agency: FAPERJ (Brazil); national agency: FINEP (Brazil); national agency: NSFC (China); national agency: CNRS/IN2P3 (France); national agency: BMBF (Germany); national agency: DFG (Germany); national agency: MPG (Germany); national agency: INFN (Italy); national agency: FOM (Netherlands); national agency: NWO (Netherlands); national agency: MNiSW (Poland); national agency: NCN (Poland); national agency: MEN/IFA (Romania); national agency: MinES (Russia); national agency: FANO (Russia); national agency: MinECo (Spain); national agency: SNSF (Switzerland); national agency: SER (Switzerland); national agency: NASU (Ukraine); national agency: STFC (United Kingdom); national agency: NSF (USA); AvH Foundation (Germany)Alexander von Humboldt Foundation; EPLANET; Marie Sklodowska-Curie Actions (European Union); ERC (European Union)European Research Council (ERC); Conseil General de Haute-SavoieRegion Auvergne-Rhone-Alpes; Labex ENIGMASS, Region Auvergne (France)Region Auvergne-Rhone-Alpes; Labex OCEVU, Region Auvergne (France)Region Auvergne-Rhone-Alpes; RFBR (Russia)Russian Foundation for Basic Research (RFBR); Yandex LLC (Russia); GVA (Spain); XuntaGal (Spain); GENCAT (Spain); Royal Society (United Kingdom)Royal Society of London; Royal Commission for the Exhibition of 1851 (United Kingdom); Leverhulme Trust (United Kingdom)Leverhulme Trust; Science and Technology Facilities CouncilUK Research & Innovation (UKRI)Science & Technology Facilities Council (STFC) [ST/N000242/1, 1565116, LHCb, ST/K001418/1, ST/N001370/1, ST/H001069/2, ST/K00140X/1, ST/L003538/1, 1416165, ST/M001474/1, 1511824, ST/N000250/1, ST/K003410/1, ST/H006737/1, LHCb Upgrades, 1096173, 1369397, 1564711, 1364044, ST/M004058/1, ST/J004332/1, 1415632, 1565032, 1681016, GRIDPP, 1208164, ST/K004646/1, 1514623] 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
心理学院
摘要:
A search for CP violation in D0→K-K+ and D0→π-π+ decays is performed using pp collision data, corresponding to an integrated luminosity of 3 fb-1, collected using the LHCb detector at center-of-mass energies of 7 and 8 TeV. The flavor of the charm meson is inferred from the charge of the pion in D∗+→D0π+ and D∗-→D0π- decays. The difference between the CP asymmetries in D0→K-K+ and D0→π-π+ decays, ΔACP≡ACP(K-K+)-ACP(π-π+), is measured to be [-0.10±0.08(stat)±0.03(syst)]%. This is the most precise measurement of a time-integra...

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