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The kappa resonance in s wave pi K scatterings
Zheng, HQ; Zhou, ZY; Qin, GY; Xiao, ZG; Wang, JJ; Wu, N; Wu N(吴宁)
2004
发表期刊NUCLEAR PHYSICS A
卷号733期号:3-4页码:#REF!
通讯作者Zheng, HQ (reprint author), Peking Univ, Dept Phys, Beijing 100871, Peoples R China.
文章类型Article
摘要A new unitarization approach incorporated with chiral symmetry is established and applied to study the piK elastic scatterings. We demonstrate that the K resonance exists, if the scattering length parameter in the 1 = 1/2, J = 0 channel does not deviate much from its value predicted by chiral perturbation theory. The mass and width of the kappa resonance is found to be Mkappa = 594 +/- 79 Mev, GammaK = 724 +/- 332 MeV, obtained by fitting the LASS data up to 1430 MeV. Better determination to the pole parameters is possible if the chiral predictions on scattering lengths are taken into account. (C) 2004 Published by Elsevier B.V.
关键词pi K scatterings unitarity dispersion relations
学科领域Physics
DOI10.1016/j.nuclphysa.2003.12.021
收录类别SCI
WOS类目Physics, Nuclear
WOS记录号WOS:000220126600004
引用统计
被引频次:71[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/311005/227114
专题理论物理室
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GB/T 7714
Zheng, HQ,Zhou, ZY,Qin, GY,et al. The kappa resonance in s wave pi K scatterings[J]. NUCLEAR PHYSICS A,2004,733(3-4):#REF!.
APA Zheng, HQ.,Zhou, ZY.,Qin, GY.,Xiao, ZG.,Wang, JJ.,...&吴宁.(2004).The kappa resonance in s wave pi K scatterings.NUCLEAR PHYSICS A,733(3-4),#REF!.
MLA Zheng, HQ,et al."The kappa resonance in s wave pi K scatterings".NUCLEAR PHYSICS A 733.3-4(2004):#REF!.
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