Observation of the decays χ c J → Σ 0 p ¯ K + + c . c . ( J = 0 , 1 , 2 )

Ablikim, M.; Achasov, M. N.; Adlarson, P.; Ahmed, S.; Albrecht, M.; Aliberti, R.; Amoroso, A.; An, M. R.; An, Q.; Bai, X. H.; Bai, Y.; Bakina, O.; Baldini Ferroli, R.; Balossino, I.; Ban, Y.; Begzsuren, K.; Berger, N.; Bertani, M.; Bettoni, D.; Bianchi, F.; Biernat, J.; Bloms, J.; Bortone, A.; Boyko, I.; Briere, R. A.; Cai, H.; Cai, X.; Calcaterra, A.; Cao, G. F.; Cao, N.; Cetin, S. A.; Chang, J. F.; Chang, W. L.; Chelkov, G.; Chen, D. Y.; Chen, G.; Chen, H. S.; Chen, M. L.; Chen, S. J.; Chen, X. R.; Chen, Y. B.; Chen, Z. J.; Cheng, W. S.; Cibinetto, G.; Cossio, F.; Cui, X. F.; Dai, H. L.; Dai, X. C.; Dbeyssi, A.; de Boer, R. E.; 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.; Dong, X.; Du, S. X.; Fan, Y. L.; Fang, J.; Fang, S. S.; Fang, Y.; Farinelli, R.; Fava, L.; Feldbauer, F.; Felici, G.; Feng, C. Q.; Fritsch, M.; Fu, C. D.; Fu, Y.; Gao, Y.; Gao, Y.; Gao, Y.; Gao, Y. G.; Garzia, I.; Ge, P. 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doi:10.1103/PhysRevD.102.092006

Title: Observation of the decays $χ_{c J} \to Σ^{0} \bar{p} K^{+} + c . c .$ ( $J = 0, 1, 2$ )

Journal Article · Mon Nov 16 00:00:00 EST 2020 · Physical Review D

DOI:https://doi.org/10.1103/PhysRevD.102.092006· OSTI ID:1714410

Ablikim, M.; Achasov, M. N.; Adlarson, P.; Ahmed, S.; Albrecht, M.; Aliberti, R.; Amoroso, A.; An, M. R.; An, Q.; Bai, X. H.; Bai, Y.; Bakina, O.; Baldini Ferroli, R.; Balossino, I.; Ban, Y.; Begzsuren, K.; Berger, N.; Bertani, M.; Bettoni, D.; Bianchi, F. more »

The decays χ_cJ → Σ⁰ $$\bar{p}$$K⁺ + c.c. (J = 0, 1, 2) are studied via the radiative transition ψ(3686) → γχ_cJ based on a data sample of (448.1 ± 2.9 ) × 10⁶ ψ(3686) events collected with the BESIII detector. The branching fractions of χ_cJ → Σ⁰ $$\bar{p}$$K⁺ + c.c. (J = 0, 1, 2) are measured to be (3.03 ± 0.12 ± 0.15) × 10^–4, (1.46 ± 0.07 ± 0.07) × 10^–4, and (0.91 ± 0.06 ± 0.05) × 10^–4, respectively, where the first uncertainties are statistical and the second are systematic. In addition, no evident structure is found for excited baryon resonances on the two-body subsystems with the limited statistics.

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Research Organization:: Indiana Univ., Bloomington, IN (United States); Univ. of Minnesota, Minneapolis, MN (United States)

Sponsoring Organization:: USDOE Office of Science (SC)

Contributing Organization:: BESIII Collaboration

Grant/Contract Number:: FG02-05ER41374; SC-0012069; 2020YFA0406300; SC0012069

OSTI ID:: 1714410

Alternate ID(s):: OSTI ID: 1849618

Journal Information:: Physical Review D, Journal Name: Physical Review D Vol. 102 Journal Issue: 9; ISSN 2470-0010

Publisher:: American Physical SocietyCopyright Statement

Country of Publication:: United States

Language:: English

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Title: Observation of the decays χ c J → Σ 0 p ¯ K + + c . c . ( J = 0 , 1 , 2 )

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