Rescattering effect and near threshold enhancement of p(p)over-bar system

CORC > 理论物理研究所 > 中国科学院理论物理研究所 > 理论物理所科研产出 > 理论物理所1978-2010年知识产出

	Rescattering effect and near threshold enhancement of p(p)over-bar system
	Chen, G. Y.; Dong, H. R.; Ma, J. P.; Chen, GY , Peking Univ, Dept Phys, Beijing 100871, Peoples R China
刊名	PHYSICAL REVIEW D
	2008
卷号	78 期号:5 页码:-
关键词	Final-state Interaction Baryonium Glueball x(1835) Bes
ISSN号	1550-7998
英文摘要	We 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.
学科主题	Physics
URL标识	查看原文
WOS记录号	WOS:000259692600043
公开日期	2012-08-02
内容类型	期刊论文
源URL	[http://ir.itp.ac.cn/handle/311006/5464]
专题	理论物理研究所_理论物理所1978-2010年知识产出
通讯作者	Chen, GY , Peking Univ, Dept Phys, Beijing 100871, Peoples R China
推荐引用方式 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):-.