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Search for excited B-c(+) states

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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.; Francisco, O. De Aguiar; Tuning, N.; Kvaratskheliya, T.; Ponce, S.; Karacson, M.; Merli, A.; Byczynski, W.; Hatch, M.; Forty, R.; Corti, G.; McCann, M.; Schmidt, B.; Gaspar, C.; Perez, D. H. Campora; Voneki, B.; Roiser, S.; Seyfert, P.; Wyllie, K.; Dordei, F.; Lacarrere, D.; Leflat, A.; Cattaneo, M.; Jost, B.; Hasse, C.; Farber, C.; Rihl, M.; Bettler, M. O.; Lindner, R.; Dijkstra, H.; Chitic, S. -G.; Vidal, A. Romero; Thomas, E.; Funk, W.; Palutan, M.; Belyaev, I.; Lemaitre, F.; Collins, P.; Jacobsson, R.; Neufeld, N.; Buytaert, J.; Ciezarek, G.; Frei, C.; Aaij, R.; Mathe, Z.; Stagni, F.; Pearce, A.; Teubert, F.; Lupton, O.; Perazzini, S.; Gys, T.; Frank, M.; De Bruyn, K.; Clemencic, M.; Borghi, S.; Pisani, F.; Valassi, A.; Alessio, F.; Popov, D.; Matev, R.; Cardoso, L. A. Granado; Joram, C.; Altarelli, M. Pepe; Barschel, C.; Charpentier, Ph.; Ruf, T.; Neri, N.; Popov, A.; Whitehead, M.; Stahl, S.; Gruber, L.; Schopper, A.; Dzyuba, A.; Couturier, B.; Cavallero, G.; Wilson, F. F.; Maev, O.; Salzgeber, M. Ravonel; Schindler, H.; Haen, C.; Barbosa, J. V. Viana; Johnson, D.; Dorigo, M.; Passaleva, G.; Schwemmer, R.; Vagnoni, V.; D'Ambrosio, C.; Gomez, R. Vazquez; Declara, P. Fernandez; Closier, J.; van Herwijnen, E.; Coombs, G.; Valat, S.; Coco, V.; Sridharan, S.; Colombo, T.] European Org Nucl Res, CERN, Geneva, Switzerland.
[Massafferri, A.; Cruz Torres, M.; De Miranda, J. M.; Gomes, A.; Molina Rodriguez, J.; Dos Reis, A. C.; Lavra, L. Soares; Bediaga, I.; Aoude, R. Tourinho Jadallah] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil.
[De Paula, B. Souza; Lopes, J. H.; Goicochea, J. M. Otalora; Gandelman, M.; Rangel, M. S.; Ferreira Rodrigues, F.; Hicheur, A.; Carvalho Akiba, K.; Potterat, C.; De Paula, L.; Nasteva, I.; Da Cunha Marinho, F.; Amato, S.; De Oliveira, L. Silva] Univ Fed Rio de Janeiro, Rio De Janeiro, Brazil.
[Gao, Y.; Yang, Z.; Jiang, F.; Li, T.; Xu, Z.; Sun, J.; Zhu, X.; An, L.; Davis, A.; Zhang, L.; Liu, X.] Tsinghua Univ, Ctr High Energy Phys, Beijing, Peoples R China.
[Chefdeville, M.; Decamp, D.; Reboud, M.; Beaucourt, L.; T'Jampens, S.; Alfonso Albero, A.; Marchand, J. F.; Xu, Z.; Ghez, Ph.; Tournefier, E.; Pietrzyk, B.; Minard, M. -N.; Artamonov, A.] Univ Grenoble Alpes, Univ Savoie Mont Blanc, CNRS, IN2P3 LAPP, Annecy, France.
通讯机构:
[Aaij, R.] E
European Org Nucl Res, CERN, Geneva, Switzerland.
语种:
英文
关键词:
B physics;Hadron-Hadron scattering (experiments);Spectroscopy
期刊:
Journal of High Energy Physics
ISSN:
1029-8479
年:
2018
卷:
2018
期:
1
页码:
1-18
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 (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 (U.S.A.)National Science Foundation (NSF); AvH Foundation (Germany)Alexander von Humboldt Foundation; EPLANET; Marie Sklodowska-Curie Actions; ERC (European Union)European Research Council (ERC); ANRFrench National Research Agency (ANR); Labex P2IO; ENIGMASS and OCEVU; Region Auvergne-Rhone-Alpes (France)Region Auvergne-Rhone-Alpes; RFBRRussian Foundation for Basic Research (RFBR); Yandex LLC (Russia); GVA; XuntaGal; GENCAT (Spain); Herchel Smith Fund; Royal SocietyRoyal Society of LondonEuropean Commission; English-Speaking Union; Leverhulme Trust (United Kingdom)Leverhulme Trust; Science and Technology Facilities CouncilUK Research & Innovation (UKRI)Science & Technology Facilities Council (STFC) [ST/K003410/1, 1565116, 1397914, ST/N000250/1, ST/N000331/1, 1416165, ST/N000242/1, LHCb Upgrades, 1681016, 1641747, LHCb, ST/J004332/1, ST/N000463/1, GRIDPP, ST/H006737/1] 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:
A search is performed in the invariant mass spectrum of the B + π+π− system for the excited B + states B c (21S0)+ and B c (23S1)+ using a data sample of pp collisions collected by the LHCb experiment at the centre-of-mass energy of $$ \sqrt{s}=8 $$ TeV, corresponding to an integrated luminosity of 2 fb−1. No evidence is seen for either state. Upper limits on the ratios of the production cross-sections of the B c (21S0)+ and B c (23S1)+ states times the branching fractions of B c (21S0)+ → B ...

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