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Search for the doubly charmed baryon Ξ_(cc)~+

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成果类型:
期刊论文
作者:
Aaij, R.;Beteta, C. Abellan;Adeva, B.;Adinolfi, M.;Aidala, C. A.;...
通讯作者:
Vieites Diaz, M.
作者机构:
[Ketel, T.; Mulder, M.; Tuning, N.; Hynds, D.; van Tilburg, J.; de Vries, J. A.; Veronesi, M.; Aaij, R.; Greim, R.; van Beuzekom, M.; Dufour, L.; Jans, E.; Bel, L. J.; Esen, S.; Dall'Occo, E.; Pellegrino, A.; Vitkovskiy, A.; Merk, M.; Archilli, F.; van Veghel, M.; Koppenburg, P.; Gras, C. Sanchez; Raven, G.; Sierra, C. Vazquez; Govorkova, E.; Kostiuk, I.; Benson, S.; Hulsbergen, W.] Nikhef Natl Inst Subat Phys, Amsterdam, Netherlands.
[Tourinho Jadallah Aoude, R.; Massafferri, A.; Cruz Torres, M.; De Miranda, J. M.; Soares Lavra, L.; Gomes, A.; Bediaga, I.; dos Reis, A. C.] CBPF, Rio De Janeiro, Brazil.
[Lopes, J. H.; Polycarpo, E.; Souza De Paula, B.; Gandelman, M.; Rangel, M. S.; Ferreira Rodrigues, F.; Otalora Goicochea, J. M.; Carvalho Akiba, K.; Silva de Oliveira, L.; De Paula, L.; Nasteva, I.; Da Cunha Marinho, F.; Amato, S.] Univ Fed Rio de Janeiro UFRJ, Rio De Janeiro, Brazil.
[Gao, Y.; Yang, Z.; Jiang, F.; Xu, A.; Ren, Z.; Tang, Z.; Xu, Z.; Wang, M.; Zhang, W. C.; Gu, C.; Sun, J.; Chen, C.; Zhu, X.; Davis, A.; Zhang, L.; Gan, Y.; Liu, X.] Tsinghua Univ, Ctr High Energy Phys, Beijing, Peoples R China.
[Li, Y.; Zhang, Y.; Wang, J.] Ihep, Beijing, Peoples R China.
通讯机构:
[Vieites Diaz, M.] U
Univ Santiago de Compostela, IGFAE, Santiago De Compostela, Spain.
语种:
英文
关键词:
charmed baryons;limits on production of particles;charmed quarks;experimental tests
期刊:
中国科学:物理学、力学、天文学英文版
ISSN:
1674-7348
年:
2020
卷:
63
期:
2
页码:
8-22
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; 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; NWO (Netherlands)Netherlands Organization for Scientific Research (NWO)Netherlands Government; MNiSW (Poland)Ministry of Science and Higher Education, Poland; NCN (Poland); MEN/IFA (Romania); NASU (Ukraine); STFC (United Kingdom)Science & Technology Facilities Council (STFC); NSF (USA)National Science Foundation (NSF); AvH Foundation (Germany)Alexander von Humboldt Foundation; EPLANET (European Union)European Union (EU); Marie Sklodowska-Curie Actions (European Union)European Union (EU); ERC (European Union)European Union (EU)European Research Council (ERC); ANR (France)French National Research Agency (ANR); Labex P2IO and OCEVU (France); Region Auvergne-RhoneAlpes (France)Region Auvergne-Rhone-Alpes; CAS (China)Chinese Academy of Sciences; CAS PIFI (China); Thousand Talents Program (China); RFBR (Russia)Russian Foundation for Basic Research (RFBR); RSF (Russia)Russian Science Foundation (RSF); Yandex LLC (Russia); GVA (Spain); Herchel Smith Fund (United Kingdom); Royal Society (United Kingdom)Royal Society of London; English-Speaking Union (United Kingdom); Leverhulme Trust (United Kingdom)Leverhulme Trust; XuntaGal (Spain); GENCAT (Spain); MinES (Russia); FASO (Russia); MinECo (Spain); SNSF (Switzerland)Swiss National Science Foundation (SNSF); SER (Switzerland)
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 charmed baryon $$\Xi_{cc}^+$$ is performed through its decay to the $$\Lambda_c^ + {K^ -}{\pi ^ +}$$ final state, using proton-proton collision data collected with the LHCb detector at centre-of-mass energies of 7, 8 and 13 TeV. The data correspond to a total integrated luminosity of 9 fb−1. No significant signal is observed in the mass range from 3.4 to 3.8 GeV/c2. Upper limits are set at 95% credibility level on the ratio of the $$\Xi_{cc}^+$$ production cross-section times the branching fraction to that of $$\Lambda_...

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