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Ping, RG; Chiang, HC; Zou, BS; Ping, RG , Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China.
Study of the structure of baryons from J/psi -> B(B)over-bar decays in the quark model
Source PublicationPHYSICAL REVIEW D
KeywordChromodynamics
AbstractFrom J/psi-->p (p) over bar, Lambda(&ULambda;) over bar, Sigma(0)(&USigma;) over bar (0), and Xi(+)Xi(-) decays we study the structure of baryons including nucleons, Lambda, Sigma, and Xi in the naive quark model. Considering the lowest-order quark diagrams for baryon-antibaryon pair production from J/psi decays we calculate the baryon-antibaryon angular distributions. Using the experimental data for the angular distribution for the process J/psi-->p (p) over bar produced in e(+)-e(-) collisions, we determine the range of parameters for the quark mass m(q) and the harmonic-oscillator parameter beta in the quark model. With these parameters, we calculate the branching fractions and angular distributions for the above J/psi decay processes and find that the calculated values are comparable with the measured ones.
2002
ISSN0556-2821
Volume66Issue:5Pages:-
Subject AreaPhysics
Indexed BySCI
Citation statistics
Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/13450
Collection理论物理所科研产出_SCI论文
Corresponding AuthorPing, RG , Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China.
Recommended Citation
GB/T 7714
Ping, RG,Chiang, HC,Zou, BS,et al. Study of the structure of baryons from J/psi -> B(B)over-bar decays in the quark model[J]. PHYSICAL REVIEW D,2002,66(5):-.
APA Ping, RG,Chiang, HC,Zou, BS,&Ping, RG , Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China..(2002).Study of the structure of baryons from J/psi -> B(B)over-bar decays in the quark model.PHYSICAL REVIEW D,66(5),-.
MLA Ping, RG,et al."Study of the structure of baryons from J/psi -> B(B)over-bar decays in the quark model".PHYSICAL REVIEW D 66.5(2002):-.
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