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Measurement of the ratio of branching fractions of the decays Lambda(0)(b)-> psi(2S) Lambda and Lambda(0)(b)-> J/psi Lambda

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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:
Mackowiak, P
作者机构:
[Bediaga, I.; Cruz Torres, M.; De Miranda, J. M.; dos Reis, A. C.; Gomes, A.; Massafferri, A.; Molina Rodriguez, J.; Soares Lavra, I.; Tourinho Jadallah Aoude, R.] Ctr Brasileiro Pesquisas Fis CBPF, Rio De Janeiro, Brazil
[Amato, S.; Carvalho Akiba, K.; Da Cunha Marinho, F.; De Paula, L.; Ferreira Rodrigues, F.; Gandelman, M.; Hicheur, A.; Lopes, J. H.; Nasteva, I.; Otalora Goicochea, J. M.; Polycarpo, E.; Potterat, C.; Rangel, M. S.; Silva de Oliveira, L.; Souza De Paula, B.] Univ Fed Rio de Janeiro UFRJ, Rio De Janeiro, Brazil
[An, L.; Davis, A.; Gao, Y.; Jiang, F.; Li, T.; Liu, X.; Sun, J.; Tang, Z.; Wang, M.; Xu, Z.; Yang, Z.; Zhang, L.; Zhu, X.] Tsinghua Univ, Ctr High Energy Phys, Beijing, Peoples R China
[Beaucourt, L.; Chefdeville, M.; Decamp, D.; Ghez, Ph.; Marchand, J. F.; Minard, M. -N.; Pietrzyk, B.; Reboud, M.; T'Jampens, S.; Tournefier, E.; Xu, Z.] Univ Savoie Mt Blanc, Univ Grenoble Alpes, CNRS, IN2P3,LAPP, Annecy, France
[Ajaltouni, Z.; Baalouch, M.; Cogneras, E.; Deschamps, O.; Gazzoni, G.; Hadjivasiliou, C.; Henrard, P.; Kozeiha, M.; Lefevre, R.; Maratas, J.; Monteil, S.; Perret, P.; Quintana, B.; Tisserand, V.; Vernet, M.] Univ Clermont Auvergne, CNRS, IN2P3, LPC, Clermont Ferrand, France
通讯机构:
[Mackowiak, P.] T
Tech Univ Dortmund, Fak Phys, Dortmund, Germany.
语种:
英文
关键词:
B physics;Branching fraction;Flavor physics;Hadron-Hadron scattering (experiments)
期刊:
Journal of High Energy Physics
ISSN:
1029-8479
年:
2019
卷:
2019
期:
3
页码:
ARTN 126
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); MPG (Germany)Max Planck Society; NWO (Netherlands)Netherlands Organization for Scientific Research (NWO)Netherlands Government; MNiSW (Poland)Ministry of Science and Higher Education, Poland; NCN (Poland); MEN/IFA (Romania); MinECo (Spain); SNSF (Switzerland)Swiss National Science Foundation (SNSF); SER (Switzerland); NASU (Ukraine); NSF (U.S.A.)National Science Foundation (NSF); DESY (Germany); INFN (Italy)Istituto Nazionale di Fisica Nucleare (INFN); PIC (Spain); GridPP (United Kingdom); Yandex LLC (Russia); CSCS (Switzerland); IFIN-HH (Romania), CBPF (Brazil); PL-GRID (Poland); OSC (U.S.A.); AvH Foundation (Germany)Alexander von Humboldt Foundation; EPLANET, Marie Sklodowska-Curie Actions; ERC (European Union)European Union (EU)European Research Council (ERC); ANR, Labex P2IO and OCEVUFrench National Research Agency (ANR); Region Auvergne-Rhone-Alpes (France)Region Auvergne-Rhone-Alpes; Key Research Program of Frontier Sciences of CAS, CAS PIFI; Thousand Talents Program (China); RFBRRussian Foundation for Basic Research (RFBR); RSFRussian Science Foundation (RSF); GVA; XuntaGal and GENCAT (Spain); Royal SocietyRoyal Society of London; Leverhulme TrustLeverhulme Trust; DFG (Germany)German Research Foundation (DFG); Science and Technology Facilities CouncilScience & Technology Facilities Council (STFC) [ST/N000242/1, ST/N000331/1] 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:
Using pp collisions corresponding to 3 fb integrated luminosity, recorded by the LHCb experiment at centre- of- mass energies of 7 and 8TeV, the ratio of branching fractions B (0b ! (2 S) ) =B (0b ! J= ) = 0 : 513 0 : 023 (stat) 0 : 016 (syst) 0 : 011 (B) is determined. The fi rst uncertainty is statistical, the second is systematic and the third is due t...

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