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Amplitude analysis of the ?c+- pK-p+ decay and ?c+ baryon polarization measurement in semileptonic beauty hadron 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:
Aaij, R
作者机构:
[Ketel, T.; Mulder, M.; Tuning, N.; Mauri, A.; Usachov, A.; Kuindersma, H. S.; Lukashenko, V.; Heijhoff, K.; Sergi, A.; Veronesi, M.; Akiba, K.; Aaij, R.; Aaij, R; Snoch, A.; De Bruyn, K.; van Beuzekom, M.; Biolchini, A.; Martinez, M. Lucio; Machado, D. Torres; Jans, E.; Greeven, L. M.; Geertsema, R. E.; Pellegrino, A.; Gabriel, E.; Merk, M.; Onderwater, C. J. G.; van Veghel, 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 Subatom Phys, Amsterdam, Netherlands.
[Petrolini, A.; Massafferri, A.; De Miranda, J. M.; Sergi, A.; Falcao, L. N.; Bediaga, I. B.; Machado, D. Torres; Gomes, A.; Carneiro Da Graca, U. De Freitas; dos Reis, A. C.] Ctr Brasileiro Pesquisas Fis CBPF, Rio De Janeiro, Brazil.
[De Paula, B. Souza; Lopes, J. H.; Goicochea, J. M. Otalora; Polycarpo, E.; Souza De Almeida, F. L.; Gobel, C.; Rangel, M. S.; Hicheur, A.; Garcia, L. Meyer; Rodrigues, F. Ferreira; De Paula, L.; Nasteva, I.; Amato, S.] Univ Fed Rio De Janeiro UFRJ, Rio De Janeiro, Brazil.
[Cai, H.; Bian, L.; Liu, G.; Wang, Z.; Qu, S.; Qin, N.; Ren, Z.; Xu, L.; Tou, D. Y.; Huang, X.; Li, H.; Wang, J.; Hu, X.; Hu, J.; Gu, C.; Gong, G.; Bursche, A.; Kang, Y.; Fang, B.; Qi, H. R.; Chen, C.; Zhu, X.; Sun, L.; 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.; Wang, J.; Chen, S.; Tobin, M.; Grieser, N. A.; Jiang, X.; Batsukh, B.; Zou, Q.; Liu, S.; Carli, I.] Inst High Energy Phys IHEP, Beijing, Peoples R China.
通讯机构:
[Aaij, R ] N
Nikhef Natl Inst Subatom Phys, Amsterdam, Netherlands.
语种:
英文
期刊:
PHYSICAL REVIEW D
ISSN:
2470-0010
年:
2023
卷:
108
期:
1
基金类别:
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 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 U.S. Department of Energy National Science Foundation Karlsruhe Institute of Technology Deutsches Elektronen-Synchrotron Centro Svizzero di Calcolo Scientifico Institutul National de Cercetare-Dezvoltare pentru Fizica si Inginerie Nucleara ’Horia Hulubei’ National Energy Research Scientific Computing Center Australian Research Council Australian Research Data Commons Alexander von Humboldt-Stiftung H2020 Marie Skłodowska-Curie Actions Agence Nationale de la Recherche Région Auvergne-Rhône-Alpes Chinese Academy of Sciences CAS Center for Excellence in Particle Physics Central Universities in China Guangzhou Municipal Science and Technology Project Generalitat Valenciana UK Research and Innovation GridPP Minciencias Labex P2IO
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:
An amplitude analysis of A+c - pK- & pi;+ decays together with a measurement of the A+c polarization vector in semiOleptonic beauty hadron decays is presented. A sample of 400 000 candidates is selected from proton-proton collisions recorded by the LHCb detector at a center-of-mass energy of 13 TeV. An amplitude model is developed and the resonance fractions as well as two- and three-body decay parameters are reported. The mass and width of the Ao2000 thorn state are also determined. A significant A+c polarization is found. A large sensitivity of the A+c - pK-& pi;+ decay to the polarization i...

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