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Pole Analysis of Unitarized One Loop chi PT Amplitudes - A Triple Channel Study
Dai, LY; 王轩弓;Wang, XG; Zheng, HQ
2012
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
卷号58期号:3页码:410-414
摘要In a previous paper [Commun. Theor. Phys., [arxiv:hep-ph/11081451]], we proposed a method to distinguish poles of different dynamical origin, in unitarized amplitudes of pi pi, K (K) over bar system. That is based on the observation that "A Breit-Wigner resonance should exhibit two poles on different Riemann sheets which meet each other on the real axis when N-c = infinity". In this paper, we extend our previous work [Commun. Theor. Phys., [arXiv:hep-ph/11081451]] to the pi pi-K (K) over bar-eta eta three channel system. We reconfirm most of the predictions in our previous work [Commun. Theor. Phys., [arxiv:hep-ph/11081451]]. Especially the f(0) (980) is of K (K) over bar molecule nature. Other poles, including the sigma, are of Breit-Wigner type.
关键词Meson-Mesonscattering unitarity Hadronresonance
学科领域Physics
DOI10.1088/0253-6102/58/3/15
收录类别SCI
WOS记录号WOS:000308914100015
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被引频次:5[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/311005/223975
专题理论物理室
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Dai, LY,王轩弓;Wang, XG,Zheng, HQ. Pole Analysis of Unitarized One Loop chi PT Amplitudes - A Triple Channel Study[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2012,58(3):410-414.
APA Dai, LY,王轩弓;Wang, XG,&Zheng, HQ.(2012).Pole Analysis of Unitarized One Loop chi PT Amplitudes - A Triple Channel Study.COMMUNICATIONS IN THEORETICAL PHYSICS,58(3),410-414.
MLA Dai, LY,et al."Pole Analysis of Unitarized One Loop chi PT Amplitudes - A Triple Channel Study".COMMUNICATIONS IN THEORETICAL PHYSICS 58.3(2012):410-414.
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