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Role of t-channel meson exchanges in S-wave pi N and KN scatterings
Wu FQ(吴锋泉); Zhang YJ(张印杰); Zou BS(邹冰松); Wu, FQ; Zhang, YJ; Zou, BS
2008
发表期刊CHINESE PHYSICS C
卷号32期号:8页码:629-633
通讯作者[Wu Feng-Quan ; Zhang Yin-Jie ; Zou Bing-Song] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Wu Feng-Quan] Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China ; [Zou Bing-Song] Chinese Acad Sci, Theoret Phys Ctr Sci Facil, Beijing 100049, Peoples R China ; [Zhang Yin-Jie] Hebei Univ, Coll Phys Sci & Technol, Baoding 071002, Peoples R China
文章类型Article
摘要The low-energy S-wave pi N and KN scatterings are studied by using the K-matrix approach within the meson exchange framework. The t-channel meson exchanges, especially p and a exchanges, are found to play a very important role in these two processes. The t-channel p exchange determines the isospin structure of the scattering amplitudes, it gives attractive force in the low isospin state but repulsive force in the high isospin state. The t-channel sigma exchange gives a very large contribution in these two processes, while it is negligible in meson-meson S-wave scatterings.
关键词meson exchange K-matrix pi K KN
学科领域Physics
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语种英语
WOS研究方向Physics
WOS类目Physics, Nuclear ; Physics, Particles & Fields
WOS记录号WOS:000258423200008
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被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238149
专题理论物理室
作者单位中国科学院高能物理研究所
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GB/T 7714
Wu FQ,Zhang YJ,Zou BS,et al. Role of t-channel meson exchanges in S-wave pi N and KN scatterings[J]. CHINESE PHYSICS C,2008,32(8):629-633.
APA 吴锋泉,张印杰,邹冰松,Wu, FQ,Zhang, YJ,&Zou, BS.(2008).Role of t-channel meson exchanges in S-wave pi N and KN scatterings.CHINESE PHYSICS C,32(8),629-633.
MLA 吴锋泉,et al."Role of t-channel meson exchanges in S-wave pi N and KN scatterings".CHINESE PHYSICS C 32.8(2008):629-633.
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