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Observation of sizeable ? contribution to?c1(3872) ? p+ p- J=? decays

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成果类型:
期刊论文
作者:
Aaij, R.;Abdelmotteleb, A. S. W.;Beteta, C. Abellan;Abudinen, F.;Ackernley, T.;...
通讯作者:
Leite, JBD
作者机构:
[Ketel, T.; Tuning, N.; Mauri, A.; Usachov, A.; Lukashenko, V.; Galati, M. D.; Heijhoff, K.; Veronesi, M.; Akiba, K.; Aaij, R.; Snoch, A.; van Beuzekom, M.; Biolchini, A.; Jans, E.; Greeven, L. M.; Geertsema, R. E.; Pellegrino, A.; Gabriel, E.; Merk, M.; Butter, J. S.; Koppenburg, P.; Soares, M. Senghi; Klaver, S.; Gras, C. Sanchez; Raven, G.; Sole, S. Ferreres; Kostiuk, I.; Schubiger, M.; Hulsbergen, W.] Nikhef Natl Inst Subat Phys, Amsterdam, Netherlands.
[Baptista de Souza Leite, J.; De Freitas Carneiro Da Graca, U.; Massafferri, A.; Cruz Torres, M.; De Miranda, J. M.; Falcao, L. N.; Bediaga, I. B.; Leite, JBD; Gomes, A.; Torres Machado, D.; dos Reis, A. C.] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil.
[Lopes, J. H.; Polycarpo, E.; Souza De Paula, B.; Souza De Almeida, F. L.; Gandelman, M.; Rangel, M. S.; Ferreira Rodrigues, F.; Hicheur, A.; Otalora Goicochea, J. M.; De Paula, L.; Nasteva, I.; Amato, S.; Meyer Garcia, L.] Univ Fed Rio de Janeiro, Rio De Janeiro, Brazil.
[Wang, Z.; Qu, S.; Qin, N.; Ren, Z.; Xu, L.; Tou, D. Y.; Wang, J.; Li, A.; Hu, X.; Tan, Y.; Gu, C.; Gong, G.; Kang, Y.; Qi, H. R.; Chen, C.; Zhu, X.; Luo, Y.; Yang, D.; Mu, H.; Zeng, M.; Dong, C.; Zhang, L.; Gan, Y.] Tsinghua Univ, Ctr High Energy Phys, Beijing, Peoples R China.
[Lu, Y.; Li, Y.; Ma, L.; Sheng, S.; Li, T.; Wang, J.; Chen, S.; Tobin, M.; Miao, D.; Grieser, N. A.; Jiang, X.; Batsukh, B.; Zou, Q.; Liu, S.] Inst High Energy Phys, Beijing, Peoples R China.
通讯机构:
[Leite, JBD ] C
Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil.
语种:
英文
期刊:
PHYSICAL REVIEW D
ISSN:
2470-0010
年:
2023
卷:
108
期:
1
基金类别:
CERN Coordenação de Aperfeiçoamento de Pessoal de Nível Superior Conselho Nacional de Desenvolvimento Científico e Tecnológico Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro Financiadora de Estudos e Projetos Ministry of Science and Technology of the People’s Republic of China National Natural Science Foundation of China Centre National de la Recherche Scientifique Institut National de Physique Nucléaire et de Physique des Particules Bundesministerium für Bildung und Forschung Deutsche Forschungsgemeinschaft Max-Planck-Gesellschaft Instituto Nazionale di Fisica Nucleare Nederlandse Organisatie voor Wetenschappelijk Onderzoek Ministerstwo Edukacji i Nauki Narodowe Centrum Nauki Ministerul Educaţiei Naţionale Institutul de Fizică Atomică Ministerio de Ciencia e Innovación Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung National Academy of Sciences of Ukraine Science and Technology Facilities Council Nuclear Physics National Science Foundation Australian Research Council Australian Research Data Commons Alexander von Humboldt-Stiftung HORIZON EUROPE Marie Sklodowska-Curie Actions European Research Council Agence Nationale de la Recherche Région Auvergne-Rhône-Alpes Key Research Program of Frontier Science, Chinese Academy of Sciences CAS Center for Excellence in Particle Physics Fundamental Research Funds for the Central Universities Guangzhou Municipal Science and Technology Project Generalitat Valenciana Xunta de Galicia Generalitat de Catalunya Leverhulme Trust Royal Society UK Research and Innovation SER Minciencias EPLANET A*MIDEX IPhU Labex P2IO CAS PIFI Prog. Atracción Talento, CM SRC
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:
Resonant structures in the dipion mass spectrum from & chi;c1(3872) & RARR; & pi;+& pi;-J=& psi; decays, produced via B+ & RARR; K+& chi;c1(3872) decays, are analyzed using proton-proton collision data collected by the LHCb experiment, corresponding to an integrated luminosity of 9 fb-1. A sizeable contribution from the isospin conserving & chi;c1(3872) & RARR; & omega;J=& psi; decay is established for the first time, (21.4 & PLUSMN; 2.3 & PLUSMN; 2.0)%, with a significance of more than 7.1 & sigma;. The amplitude of isospin violating decay, & chi;c1(3872) & RARR; & rho;0J=& psi;, relative to ...

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