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	Near threshold enhancement of p(p)over-bar system and p(p)over-bar elastic scattering
	Chen, G. Y.; Dong, H. R.; Ma, J. P.; Ma, JP , Acad Sinica, Inst Theoret Phys, Beijing 100190, Peoples R China
刊名	PHYSICS LETTERS B
	2010
卷号	692期号:2页码:136-142
关键词	Nucleon-nucleon-scattering Final-state Interaction Effective-field Theory Chiral Lagrangians Forces Baryonium Glueball x(1835) Decay Bes
ISSN号	0370-2693
英文摘要	The observed enhancement of p (p) over bar -production near the threshold in radiative decays of integral/psi and e(+)e(-)-annihilations can be explained with final state interactions among the produced N (N) over bar system, where the enhancement is essentially determined by N (N) over bar elastic scattering amplitudes. We propose to use an effective theory for interactions in an N (N) over bar system near its threshold. The effective theory is similar to the well-known one for interactions in an NN system but with distinctions. It is interesting to note that in the effective theory some corrections to scattering amplitudes at tree-level can systematically be summed into a simple form. These corrections are from rescattering processes. With these corrected amplitudes we are able to describe the enhancement near the threshold in radiative decays of integral/psi and e(+)e(-)-annihilations, and the p (p) over bar elastic scattering near the threshold. (C) 2010 Elsevier B.V. All rights reserved.
学科主题	Physics
URL标识	查看原文
WOS记录号	WOS:000282116900011
公开日期	2012-08-02
内容类型	期刊论文
源URL	[http://ir.itp.ac.cn/handle/311006/5060]
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	Ma, JP , Acad Sinica, Inst Theoret Phys, Beijing 100190, Peoples R China
推荐引用方式 GB/T 7714	Chen, G. Y.,Dong, H. R.,Ma, J. P.,et al. Near threshold enhancement of p(p)over-bar system and p(p)over-bar elastic scattering[J]. PHYSICS LETTERS B,2010,692(2):136-142.
APA	Chen, G. Y.,Dong, H. R.,Ma, J. P.,&Ma, JP , Acad Sinica, Inst Theoret Phys, Beijing 100190, Peoples R China.(2010).Near threshold enhancement of p(p)over-bar system and p(p)over-bar elastic scattering.PHYSICS LETTERS B,692(2),136-142.
MLA	Chen, G. Y.,et al."Near threshold enhancement of p(p)over-bar system and p(p)over-bar elastic scattering".PHYSICS LETTERS B 692.2(2010):136-142.

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