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(K)over-barN scattering in chiral constituent quark models
Huang, F; Wang WL(王文玲); Zhang ZY(张宗烨); Wang, WL; Zhang, ZY
刊名INTERNATIONAL JOURNAL OF MODERN PHYSICS A
2008
卷号23期号:20页码:3057-3072
关键词(K)over-barN interaction constituent quark model chiral symmetry
学科分类Physics
DOI10.1142/S0217751X08041554
通讯作者[Huang, F.] Forschungszentrum Julich, Inst Kernphys, D-52428 Julich, Germany ; [Huang, F.] CCAST, World Lab, Beijing 100080, Peoples R China ; [Wang, W. L. ; Zhang, Z. Y.] Huazhong Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China ; [Wang, W. L. ; Zhang, Z. Y.] Inst High Energy Phys, Beijing 100049, Peoples R China ; [Wang, W. L. ; Zhang, Z. Y.] Theoret Phys Ctr Sci Facil, Beijing 100049, Peoples R China
文章类型Article
英文摘要The chiral SU(3) quark model and the extended chiral SU(3) quark model have proven to be quite successful in reproducing the binding energy of the deuteron, the nucleon nucleon (NN) scattering phase shifts and the hyperon-nucleon (YN) cross-sections. In the chiral SU(3) quark model, the quark-quark interaction contains one-gluon exchange (OGE), confinement potential and boson exchanges stemming from scalar and pseudoscalar nonets. In the extended chiral SU(3) quark model, the OGE is nearly replaced by vector meson exchange. It was shown in our previous work that these two models give quite similar descriptions for the S, P, D, F wave KN phase shifts, which means that in the KN system the contribution of OGE can be replaced by that of vector meson exchange. In this paper, we use the same models, the same parameters and the same methods to study the (K) over barN system with the purpose to test the effects of OGE and vector meson exchange. The cross-sections for K(-)p scattering into K(-)p, K(0)n, pi(+)Sigma(-), pi(-)Sigma(+), pi(0)Sigma(0) and pi(0)Lambda channels are dynamically calculated by solving the resonating group method equation. While some channels are well described in one or the other model, a good agreement between the theoretical cross-sections and the experimental data for all channels is not successfully obtained. The present work indicates that both OGE and vector meson exchange are necessary to be included in the quark-quark interactions if one tries to simultaneously describe the KN phase shifts and (K) over barN cross-sections using one set of parameters in a constituent quark model.
类目[WOS]Physics, Nuclear ; Physics, Particles & Fields
研究领域[WOS]Physics
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语种英语
WOS记录号WOS:000258877200002
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被引频次:4[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/311005/239861
专题院士_期刊论文
作者单位中国科学院高能物理研究所
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GB/T 7714
Huang, F,Wang WL,Zhang ZY,et al. (K)over-barN scattering in chiral constituent quark models[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS A,2008,23(20):3057-3072.
APA Huang, F,王文玲,张宗烨,Wang, WL,&Zhang, ZY.(2008).(K)over-barN scattering in chiral constituent quark models.INTERNATIONAL JOURNAL OF MODERN PHYSICS A,23(20),3057-3072.
MLA Huang, F,et al."(K)over-barN scattering in chiral constituent quark models".INTERNATIONAL JOURNAL OF MODERN PHYSICS A 23.20(2008):3057-3072.
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