Study of the decays ψ (3686) →γχcJ →γ p ̄ K∗+ Λ+ c. c. and ψ (3686) → p ̄ K∗+ Λ+ c. c. STUDY of the DECAYS ... ABLIKIM et al.

(BESIII Collaboration)

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Abstract

Based on the data sample of 448.1×106 ψ(3686) events collected with the BESIII detector at BEPCII, we present a study of the decays ψ(3686)→γχcJ→γp̄K∗+Λ+c.c. and ψ(3686)→p̄K∗+Λ+c.c. The branching fractions of χcJ→p̄K∗+Λ+c.c. (J=0, 1, 2) are measured to be (4.8±0.7±0.5)×10-4, (5.0±0.5±0.4)×10-4, and (8.2±0.9±0.7)×10-4, respectively, where the first uncertainties are statistical and the second systematic. The branching fraction of ψ(3686)→p̄K∗+Λ+c.c. is measured to be (6.3±0.5±0.5)×10-5. All these decay modes are observed for the first time.

Original languageEnglish (US)
Article number052010
JournalPhysical Review D
Volume100
Issue number5
DOIs
StatePublished - Sep 19 2019

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Study of the decays ψ (3686) →γχcJ →γ p ̄ K∗+ Λ+ c. c. and ψ (3686) → p ̄ K∗+ Λ+ c. c. STUDY of the DECAYS ... ABLIKIM et al. / (BESIII Collaboration).

In: Physical Review D, Vol. 100, No. 5, 052010, 19.09.2019.

Research output: Contribution to journalArticle

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title = "Study of the decays ψ (3686) →γχcJ →γ p ̄ K∗+ Λ+ c. c. and ψ (3686) → p ̄ K∗+ Λ+ c. c. STUDY of the DECAYS ... ABLIKIM et al.",
abstract = "Based on the data sample of 448.1×106 ψ(3686) events collected with the BESIII detector at BEPCII, we present a study of the decays ψ(3686)→γχcJ→γp̄K∗+Λ+c.c. and ψ(3686)→p̄K∗+Λ+c.c. The branching fractions of χcJ→p̄K∗+Λ+c.c. (J=0, 1, 2) are measured to be (4.8±0.7±0.5)×10-4, (5.0±0.5±0.4)×10-4, and (8.2±0.9±0.7)×10-4, respectively, where the first uncertainties are statistical and the second systematic. The branching fraction of ψ(3686)→p̄K∗+Λ+c.c. is measured to be (6.3±0.5±0.5)×10-5. All these decay modes are observed for the first time.",
author = "{(BESIII Collaboration)} and M. Ablikim and Achasov, {M. N.} and P. Adlarson and S. Ahmed and M. Albrecht and M. Alekseev and A. Amoroso and An, {F. F.} and Q. An and Y. Bai and O. Bakina and {Baldini Ferroli}, R. and Y. Ban and K. Begzsuren and Bennett, {J. V.} and N. Berger and M. Bertani and D. Bettoni and F. Bianchi and J. Biernat and J. Bloms and I. Boyko and Briere, {R. A.} and H. Cai and X. Cai and A. Calcaterra and Cao, {G. F.} and N. Cao and Cetin, {S. A.} and J. Chai and Chang, {J. F.} and Chang, {W. L.} and G. Chelkov and Chen, {D. Y.} and G. Chen and Chen, {H. S.} and Chen, {J. C.} and Chen, {M. L.} and Chen, {S. J.} and Chen, {Y. B.} and W. Cheng and G. Cibinetto and F. Cossio and Cui, {X. F.} and Dai, {H. L.} and Dai, {J. P.} and Dai, {X. C.} and A. Dbeyssi and D. Dedovich and Deng, {Z. Y.}",
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N2 - Based on the data sample of 448.1×106 ψ(3686) events collected with the BESIII detector at BEPCII, we present a study of the decays ψ(3686)→γχcJ→γp̄K∗+Λ+c.c. and ψ(3686)→p̄K∗+Λ+c.c. The branching fractions of χcJ→p̄K∗+Λ+c.c. (J=0, 1, 2) are measured to be (4.8±0.7±0.5)×10-4, (5.0±0.5±0.4)×10-4, and (8.2±0.9±0.7)×10-4, respectively, where the first uncertainties are statistical and the second systematic. The branching fraction of ψ(3686)→p̄K∗+Λ+c.c. is measured to be (6.3±0.5±0.5)×10-5. All these decay modes are observed for the first time.

AB - Based on the data sample of 448.1×106 ψ(3686) events collected with the BESIII detector at BEPCII, we present a study of the decays ψ(3686)→γχcJ→γp̄K∗+Λ+c.c. and ψ(3686)→p̄K∗+Λ+c.c. The branching fractions of χcJ→p̄K∗+Λ+c.c. (J=0, 1, 2) are measured to be (4.8±0.7±0.5)×10-4, (5.0±0.5±0.4)×10-4, and (8.2±0.9±0.7)×10-4, respectively, where the first uncertainties are statistical and the second systematic. The branching fraction of ψ(3686)→p̄K∗+Λ+c.c. is measured to be (6.3±0.5±0.5)×10-5. All these decay modes are observed for the first time.

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