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Observation of B +→ J / ψ 3 π +2 π - and B +→ ψ (2 S) π +π +π - 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:
Aaij, R.
作者机构:
[Di Canto, A.; Durante, P.; Ferro-Luzzi, M.; Bozzi, C.; Fontana, M.; Kvaratskheliya, T.; Karacson, M.; Hatch, M.; Ferrari, F.; Forty, R.; Corti, G.; Schmidt, B.; Gaspar, C.; Perez, D. H. Campora; Voneki, B.; Otto, A.; Roiser, S.; Barter, W.; Wyllie, K.; Dordei, F.; Contu, A.; Lacarrere, D.; Leflat, A.; Cattaneo, M.; Jost, B.; Farber, C.; Dungs, K.; Rihl, M.; Siddi, B. G.; Lindner, R.; Dijkstra, H.; Thomas, E.; Golutvin, A.; Lemaitre, F.; Collins, P.; Jacobsson, R.; Neufeld, N.; Buytaert, J.; Frei, C.; Oyanguren, A.; Aaij, R.; Mathe, Z.; Grillo, L.; Stagni, F.; Teubert, F.; Bondar, N.; Perazzini, S.; Gys, T.; Cogoni, V.; Wilkinson, G.; Robbe, P.; Frank, M.; Panman, J.; Clemencic, M.; Williams, M.; Valassi, A.; Alessio, F.; Trisovic, A.; Fohl, K.; Popov, D.; Matev, R.; Cardoso, L. A. Granado; Joram, C.; Altarelli, M. Pepe; Barschel, C.; Charpentier, Ph.; Ruf, T.; Poikela, T.; Whitehead, M.; Stahl, S.; Bettler, M. -O.; Linn, C.; Schopper, A.; Couturier, B.; Dettori, F.; Tonelli, D.; Schindler, H.; Haen, C.; Dziurda, A.; Johnson, D.; Schwemmer, R.; Vagnoni, V.; D'Ambrosio, C.; Closier, J.; van Herwijnen, E.; Coombs, G.; Valat, S.; Schiller, M.; Sridharan, S.] European Org Nucl Res CERN, Geneva, Switzerland.
[Massafferri, A.; De Miranda, J. M.; Rodriguez, J. Molina; Gomes, A.; Rodrigues, F. Ferreira; Bediaga, I.; Rodrigues, A. B.; dos Reis, A. C.; Vieira, D.] CBPF, Rio De Janeiro, Brazil.
[De Paula, B. Souza; Francisco, O. De Aguiar; 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.; Bursche, A.; Akiba, K. Carvalho; Guimaraes, V. Salustino; De Paula, L.; Nasteva, I.; Amato, S.] Univ Fed Rio de Janeiro UFRJ, Rio De Janeiro, Brazil.
[Gao, Y.; Yang, Z.; Jiang, F.; Zhu, X.; Zhang, L.; Liu, X.] Tsinghua Univ, Ctr High Energy Phys, Beijing, Peoples R China.
[Chefdeville, M.; Decamp, D.; Beaucourt, L.; Lees, J. -P.; T'Jampens, S.; Marchand, J. F.; Tisserand, V.; Ghez, Ph.; Tournefier, E.; Pietrzyk, B.; Minard, M. -N.; Deleage, N.] Univ Savoie Mt Blanc, CNRS IN2P3, LAPP, Annecy Le Vieux, France.
通讯机构:
[Aaij, R.] E
European Org Nucl Res CERN, Geneva, Switzerland.
语种:
英文
关键词:
Systematic Uncertainty;Primary Vertex;Combinatorial Background;LHCb Experiment;Muon Candidate
期刊:
EUROPEAN PHYSICAL JOURNAL C
ISSN:
1434-6044
年:
2017
卷:
77
期:
2
页码:
1-12
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); 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); 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); 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); Conseil General de Haute-Savoie, Region Auvergne (France)Region Auvergne-Rhone-Alpes; RFBR(Russia)Russian Foundation for Basic Research (RFBR); Yandex LLC(Russia); GVA(Spain); Xunta-Gal(Spain); GENCAT(Spain); Herchel Smith Fund (United Kingdom); Royal Society (United Kingdom)Royal Society of London; Royal Commission for the Exhibition of 1851 (United Kingdom); Leverhulme Trust (United Kingdom)Leverhulme Trust; Labex ENIGMASS, Region Auvergne (France)Region Auvergne-Rhone-Alpes; OCEVU, Region Auvergne (France)Region Auvergne-Rhone-Alpes; CERN; Science and Technology Facilities CouncilUK Research & Innovation (UKRI)Science & Technology Facilities Council (STFC) [1416165, ST/M003140/1, ST/K004646/1, ST/H006737/1, ST/L003538/1, LHCb Upgrades, ST/N000331/1, 1707993, ST/K00140X/1, LHCb, 1565032, 1415632, 1708182, GRIDPP, 1641747, ST/M004058/1, ST/N000250/1, ST/N001370/1, 1565116, 1564711, ST/J004332/1, ST/K003410/1, 1681016, ST/L001152/1] 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:
The decays $${{\mathrm {B}} ^+} \rightarrow {{\mathrm {J}/\uppsi }} 3{{\uppi } ^+} 2{{\uppi } ^-} $$ and $${{\mathrm {B}} ^+} \rightarrow {\uppsi {(2\mathrm {S})}} {{\uppi } ^+} {{\uppi } ^+} {{\uppi } ^-} $$ are observed for the first time using a data sample corresponding to an integrated luminosity of 3.0 fb $$^{-1}$$ , collected by the LHCb experiment in proton–proton collisions at the centre-of-mass energies of 7 and 8 $$\mathrm {\,TeV}$$ . The branching fractions relative to that ...

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