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Study of J/psi and psi(3686) -> Sigma(1385)(0)(Sigma)over-bar(1385)(0) and Xi(0)(Xi)over-bar(0)
BESIII Collaboration
2017
Source PublicationPHYSICS LETTERS B
ISSN0370-2693
EISSN1873-2445
Volume770Pages:217-225
SubtypeArticle
AbstractWe study the decays of J/psi and psi(3686) to the final states Sigma(1385)(0)(Sigma) over bar (1385)(0) and Xi(0)(Xi) over bar (0) based on a single baryon tag method using data samples of (1310.6 +/- 7.0) x 10(6) J/psi and (447.9 +/- 2.9) x 10(6) psi(3686) events collected with the BESIII detector at the BEPCII collider. The decays to Sigma(1385)(0)(Sigma) over bar (1385)(0) are observed for the first time. The measured branching fractions of J/psi and psi(3686) to Xi(0)(Xi) over bar (0) are in good agreement with, and much more precise than, the previously published results. The angular parameters for these decays are also measured for the first time. The measured angular decay parameter for J/psi -> Sigma(1385)(0)(Sigma) over bar (1385)(0), alpha = -0.64 +/- 0.03 +/- 0.10, is found to be negative, different to the other decay processes in this measurement. In addition, the "12% rule" and isospin symmetry in the decays of J/psi and psi(3686) to Xi(Xi) over bar and Sigma(1385)(Sigma) over bar (1385) are tested. (C) 2017 The Author(s). Published by Elsevier B.V.
KeywordCharmonium Branching fraction Angular distribution
DOI10.1016/j.physletb.2017.04.048
WOS KeywordBARYON-ANTIBARYON PAIRS ; DECAYS
Indexed BySCI ; SCOPUS ; ADS ; INSPIREHEP
Language英语
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Nuclear ; Physics, Particles & Fields
WOS IDWOS:000404196500031
ADS Bibcode2017PhLB..770..217A
ADS URLhttps://ui.adsabs.harvard.edu/abs/2017PhLB..770..217A
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2017PhLB..770..217A/citations
AXRIV CODE1612
inspireid1506414
inspireURLhttps://inspirehep.net/record/1506414
Citation statistics
Cited Times:16 [INSPIRE]
Cited Times:36 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/284429
Collection实验物理中心
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
BESIII Collaboration. Study of J/psi and psi(3686) -> Sigma(1385)(0)(Sigma)over-bar(1385)(0) and Xi(0)(Xi)over-bar(0)[J]. PHYSICS LETTERS B,2017,770:217-225.
APA BESIII Collaboration.(2017).Study of J/psi and psi(3686) -> Sigma(1385)(0)(Sigma)over-bar(1385)(0) and Xi(0)(Xi)over-bar(0).PHYSICS LETTERS B,770,217-225.
MLA BESIII Collaboration."Study of J/psi and psi(3686) -> Sigma(1385)(0)(Sigma)over-bar(1385)(0) and Xi(0)(Xi)over-bar(0)".PHYSICS LETTERS B 770(2017):217-225.
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