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题名: Predictive AdS/QCD model for mass spectra of mesons with three flavors
作者: Sui, YQ ;  Wu, YL ;  Yang, YB
刊名: PHYSICAL REVIEW D
出版日期: 2011
卷号: 83, 期号:6, 页码:65030
关键词: LIGHT-FRONT HOLOGRAPHY ;  QCD ;  PHYSICS
学科分类: Physics
通讯作者: Sui, YQ (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Kavli Inst Theoret Phys China KITPC, Beijing 100190, Peoples R China.
部门归属: [Sui, Yan-Qin; Wu, Yue-Liang; Yang, Yi-Bo] Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Kavli Inst Theoret Phys China KITPC, Beijing 100190, Peoples R China; [Yang, Yi-Bo] Chinese Acad Sci, Inst High Energy Phys, Beijing 100190, Peoples R China
英文摘要: The predictive soft-wall AdS/QCD model with a modified 5D metric at the infrared region is constructed to obtain a nontrivial dilaton solution for three flavor quarks u, d and s. Such a model is shown to incorporate both the chiral symmetry breaking and linear confinement. After considering some high-order terms including the U(1)(L) x U(1)(R) chiral symmetry breaking term, we find that the resulting predictions for the SU(3) octet and singlet resonance states of pseudoscalar, scalar, vector and axial-vector mesons agree well with the experimentally confirmed resonance states. Contributions from the instanton effects given by the determinant term are also discussed. It is observed that the chiral symmetry breaking phenomena of SU(3)(L) x SU(3)(R) and U(1)(L) x U(1)(R) can be well described in this model, while the SU(3) flavor symmetry breaking effect due to quark mass difference in the source term is not enough to explain all of the current experimental data.
资助者: National Science Foundation of China (NSFC) [10821504, 10975170]; Chinese Academy of Science
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000288999300003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14386
Appears in Collections:理论物理所2011年知识产出_期刊论文

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Recommended Citation:
Sui, YQ,Wu, YL,Yang, YB. Predictive AdS/QCD model for mass spectra of mesons with three flavors[J]. PHYSICAL REVIEW D,2011,83(6):65030.
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