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Preliminary study of the (K)over-bar N interaction in a chiral constituent quark model
Huang, F; Wang, WL; Zhang ZY(张宗烨); Yu YW(余友文); Zhang, ZY; Yu, YW
2007
发表期刊PHYSICAL REVIEW C
卷号76期号:1页码:18201
通讯作者CCAST, World Lab, Beijing 100080, Peoples R China ; Huazhong Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China ; Inst High Energy Phys, Beijing 100049, Peoples R China
文章类型Article
摘要A preliminary investigation of (K) over barN interaction is performed within a chiral constituent quark model by solving the resonating group method (RGM) equation. The model parameters are taken from our previous work, which gave a satisfactory description of the S-, P-, D-, F-wave KN scattering phase shifts. The channel-coupling between (K) over barN,pi Lambda and pi Sigma is considered, and the scattering phase shifts as well as the bound-state problem of (K) over barN are dynamically studied. The results show that the S-wave (K) over barN interaction in the isospin I=0 channel is attractive, and in the extended chiral SU(3) quark model such an attraction can make for a (K) over barN bound state, which appears as a pi Sigma resonance in the coupled-channel calculation, while the chiral SU(3) quark model cannot accommodate the existence of a (K) over barN bound state. It seems that the vector meson exchanges are necessary to be introduced in the quark-quark interactions if one tries to explain the Lambda(1405) as a (K) over barN bound state or a pi Sigma-(K) over barN resonance state.
学科领域Physics
研究领域[WOS]Physics ; Physics
DOI10.1103/PhysRevC.76.018201
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语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Nuclear
WOS记录号WOS:000248542400080
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被引频次:12[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/311005/240481
专题院士
作者单位中国科学院高能物理研究所
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Huang, F,Wang, WL,Zhang ZY,et al. Preliminary study of the (K)over-bar N interaction in a chiral constituent quark model[J]. PHYSICAL REVIEW C,2007,76(1):18201.
APA Huang, F,Wang, WL,张宗烨,余友文,Zhang, ZY,&Yu, YW.(2007).Preliminary study of the (K)over-bar N interaction in a chiral constituent quark model.PHYSICAL REVIEW C,76(1),18201.
MLA Huang, F,et al."Preliminary study of the (K)over-bar N interaction in a chiral constituent quark model".PHYSICAL REVIEW C 76.1(2007):18201.
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