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Chen, G. Y.; Dong, H. R.; Ma, J. P.; Chen, GY , Peking Univ, Dept Phys, Beijing 100871, Peoples R China
Rescattering effect and near threshold enhancement of p(p)over-bar system
Source PublicationPHYSICAL REVIEW D
KeywordFinal-state Interaction Baryonium Glueball x(1835) Bes
AbstractWe study the observed enhancement of a p (p) over bar system near the threshold in the process J/psi -> gamma p (p) over bar and e(+)e(-) -> p (p) over tilde. From early studies the enhancement can be explained by final state interactions, which are in general taken into account with some potential models. In this work, we offer a simple approach within quantum field theory to explain the observed enhancement. We point out that among different final state interactions the rescattering in a N (N) over bar system though exchange of pi is the most important. The effects of the rescattering is completely fixed by the well- known coupling g(pi NN). Our results show that the enhancement in J/psi -> gamma p (p) over bar and e(+)e(-) -> p (p) over bar can be well described with the rescattering effects.
2008
ISSN1550-7998
Volume78Issue:5Pages:-
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational Nature Science Foundation of the People ; National Nature Science Foundation of the People ; National Nature Science Foundation of the People ; National Nature Science Foundation of the People
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5464
Collection理论物理所科研产出_SCI论文
Corresponding AuthorChen, GY , Peking Univ, Dept Phys, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Chen, G. Y.,Dong, H. R.,Ma, J. P.,et al. Rescattering effect and near threshold enhancement of p(p)over-bar system[J]. PHYSICAL REVIEW D,2008,78(5):-.
APA Chen, G. Y.,Dong, H. R.,Ma, J. P.,&Chen, GY , Peking Univ, Dept Phys, Beijing 100871, Peoples R China.(2008).Rescattering effect and near threshold enhancement of p(p)over-bar system.PHYSICAL REVIEW D,78(5),-.
MLA Chen, G. Y.,et al."Rescattering effect and near threshold enhancement of p(p)over-bar system".PHYSICAL REVIEW D 78.5(2008):-.
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