Search for the doubly heavy Xi bc0 baryon via decays to D(0)pK(-)

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作者信息关键词期刊信息基础信息归属信息摘要

成果类型：

期刊论文

作者：

Aaij, R.;Beteta, C. Abellan;Ackernley, T.;Adeva, B.;Adinolfi, M.;...

通讯作者：

Xiang, Z.

作者机构：

[Ketel, T.; Tuning, N.; Hynds, D.; Perez, D. H. Campora; Usachov, A.; Hart, R.; Kuindersma, H. S.; Heijhoff, K.; Veronesi, M.; Aaij, R.; Snoch, A.; Greim, R.; van Beuzekom, M.; Martinez, M. Lucio; Kostiuk, I; Jans, E.; Esen, S.; Pellegrino, A.; Vitkovskiy, A.; Merk, M.; Butter, J. S.; Koppenburg, P.; Akiba, K. Carvalho; Gras, C. Sanchez; Raven, G.; Sole, S. Ferreres; Sierra, C. Vazquez; Govorkova, E.; Schubiger, M.; Hulsbergen, W.] Nikhef Natl Inst Subat Phys, Amsterdam, Netherlands.

[Massafferri, A.; De Miranda, J. M.; Torres, M. Cruz; Machado, D. Torres; Gomes, A.; dos Reis, A. C.; Bediaga, I; Baptista Leite, J.] Ctr Brasileiro Pesquisas Fis CBPF, Rio De Janeiro, Brazil.

[De Paula, B. Souza; de Oliveira, L. Silva; Lopes, J. H.; Goicochea, J. M. Otalora; Polycarpo, E.; Gandelman, M.; Rangel, M. S.; Ferreira Rodrigues, F.; Nasteva, I; Garcia, L. Meyer; De Paula, L.; Amato, S.] Univ Fed Rio de Janeiro UFRJ, Rio De Janeiro, Brazil.

[Yang, Z.; Jiang, F.; Fan, J.; Ren, Z.; Xu, L.; Tang, Z.; Wang, M.; Zhang, W. C.; Gu, C.; Chen, C.; Zhu, X.; Luo, Y.; Mu, H.; Zeng, M.; Zhang, L.; Gan, Y.; Liu, X.] Tsinghua Univ, Ctr High Energy Phys, Beijing, Peoples R China.

[Gao, Y.; Zhang, S.; Xu, A.; Xu, Z.] Peking Univ, Sch Phys, State Key Lab Nucl Phys & Technol, Beijing, Peoples R China.

通讯机构：

[Xiang, Z.] U

Univ Chinese Acad Sci, Beijing, Peoples R China.

语种：

英文

关键词：

B physics;Hadron-Hadron scattering (experiments);Heavy quark production;QCD;Spectroscopy

期刊：

Journal of High Energy Physics

ISSN：

1029-8479

年：

2020

卷：

2020

期：

DOI：

10.1007/JHEP11(2020)095

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); MICINN (Spain)Spanish Government; SNSF (Switzerland)Swiss National Science Foundation (SNSF); SER (Switzerland); NASU (Ukraine); NSF (U.S.A.)National Science Foundation (NSF); AvH Foundation (Germany)Alexander von Humboldt Foundation; EPLANET, Marie Sklodowska-Curie Actions; ERC (European Union)European Union (EU)European Research Council (ERC); ANR (France)French National Research Agency (ANR); A*MIDEX (France)French National Research Agency (ANR); Labex P2IO (France); OCEVU (France); R~egion Auvergne-Rh<^>one-Alpes (France)Region Auvergne-Rhone-Alpes; Key Research Program of Frontier Sciences of CAS (China); CAS PIFI, Thousand Talents Program (China); RFBR (Russia)Russian Foundation for Basic Research (RFBR); RSF (Russia)Russian Science Foundation (RSF); Yandex LLC (Russia); GVA (Spain); XuntaGal (Spain); GENCAT (Spain); Royal Society (U.K.)Royal Society of London; Leverhulme Trust (U.K.)Leverhulme Trust; DFG (Germany)German Research Foundation (DFG); INFN (Italy)Istituto Nazionale di Fisica Nucleare (INFN); STFC (U.K.)Science & Technology Facilities Council (STFC); DOE NP (U.S.A.)United States Department of Energy (DOE)

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 for the doubly heavy Ξbc0 baryon using its decay to the D0pK– final state is performed using proton-proton collision data at a centre-of-mass energy of 13 TeV collected by the LHCb experiment between 2016 and 2018, corresponding to an integrated luminosity of 5.4 fb−1. No significant signal is found in the invariant mass range from 6.7 to 7.2 GeV/c2. Upper limits are set at 95% credibility level on the ratio of the Ξbc0 production cross-section times its branching fraction to D0pK− relative to that of the Λb0→D0pK− decay. The l...

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Search for the doubly heavy Xi bc0 baryon via decays to D(0)pK(-)

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