Branching fraction measurements of ψ(3686)→γχcJ

Ablikim, M.; Achasov, M. N.; Ahmed, S.; Albrecht, M.; Amoroso, A.; An, F. F.; An, Q.; Bai, J. Z.; Bakina, O.; Baldini Ferroli, R.; Ban, Y.; Bennett, D. W.; Bennett, J. V.; Berger, N.; Bertani, M.; Bettoni, D.; Bian, J. M.; Bianchi, F.; Boger, E.; Boyko, I.; Briere, R. A.; Cai, H.; Cai, X.; Cakir, O.; Calcaterra, A.; Cao, G. F.; Cetin, S. A.; Chai, J.; Chang, J. F.; Chelkov, G.; Chen, G.; Chen, H. S.; Chen, J. C.; Chen, M. L.; Chen, S. J.; Chen, X. R.; Chen, Y. B.; Chu, X. K.; Cibinetto, G.; Dai, H. L.; Dai, J. P.; Dbeyssi, A.; Dedovich, D.; Deng, Z. Y.; Denig, A.; Denysenko, I.; Destefanis, M.; De Mori, F.; Ding, Y.; Dong, C.; Dong, J.; Dong, L. Y.; Dong, M. Y.; Dorjkhaidav, O.; Dou, Z. L.; Du, S. X.; Duan, P. F.; Fang, J.; Fang, S. S.; Fang, X.; Fang, Y.; Farinelli, R.; Fava, L.; Fegan, S.; Feldbauer, F.; Felici, G.; Feng, C. Q.; Fioravanti, E.; Fritsch, M.; Fu, C. D.; Gao, Q.; Gao, X. L.; Gao, Y.; Gao, Y. G.; Gao, Z.; Garzia, I.; Goetzen, K.; Gong, L.; Gong, W. 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doi:10.1103/PhysRevD.96.032001

Title: Branching fraction measurements of $ψ (3686) \to γ χ_{c J}$

Journal Article · Mon Aug 14 00:00:00 EDT 2017 · Physical Review D

DOI:https://doi.org/10.1103/PhysRevD.96.032001· OSTI ID:1440867

Ablikim, M.; Achasov, M. N.; Ahmed, S.; Albrecht, M.; Amoroso, A.; An, F. F.; An, Q.; Bai, J. Z.; Bakina, O.; Baldini Ferroli, R.; Ban, Y.; Bennett, D. W.; Bennett, J. V.; Berger, N.; Bertani, M.; Bettoni, D.; Bian, J. M.; Bianchi, F.; Boger, E.; Boyko, I. more »

In this paper, using a sample of 106 million ψ(3686) decays, the branching fractions of ψ(3686) → γχ_c0, ψ(3686) → γχ_c1, and ψ(3686) → γχ_c2 are measured with improved precision to be (9.389±0.014±0.332) %, (9.905±0.011±0.353) %, and (9.621±0.013±0.272) %, respectively, where the first uncertainties are statistical and the second ones are systematic. Finally, the product branching fractions of ψ(3686) → γχ_c1, χ_c1 → γJ/ψ and ψ(3686) → γχ_c2, χ_c2 → γJ/ψ and the branching fractions of χ_c1 → γJ/ψ and χ_c2 → γJ/ψ are also presented.

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Research Organization:: George Washington Univ., Washington, DC (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP)

Contributing Organization:: BESIII Collaboration

Grant/Contract Number:: SC0016583; FG02-05ER41374; SC0010504; SC0012069; SC0010118

OSTI ID:: 1440867

Alternate ID(s):: OSTI ID: 1374942

Journal Information:: Physical Review D, Vol. 96, Issue 3; ISSN 2470-0010

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 5 works

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