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题名: Prediction for the mass spectra of resonance mesons in the soft-wall AdS/QCD model with a modified 5D metric
作者: Sui, Yan-Qin ;  Wu, Yue-Liang ;  Xie, Zhi-Feng ;  Yang, Yi-Bo
刊名: PHYSICAL REVIEW D
出版日期: 2010
卷号: 81, 期号:1, 页码:-
关键词: SYMMETRY-BREAKING ;  ELECTROPRODUCTION ;  PHYSICS ;  PI
学科分类: Physics
通讯作者: Sui, YQ , Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China
部门归属: [Sui, YQ; Wu, YL; Xie, ZF; Yang, YB] Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China
英文摘要: A soft-wall anti-de Sitter/QCD model with a modified five-dimensional metric at the infrared region is constructed to obtain a nontrivial dilaton solution, which incorporates the chiral symmetry breaking and linear confinement. By taking the pion mass and decay constant as two input mass scales, the resulting predictions for the resonance states of pseudoscalar, scalar, vector, and axial-vector mesons agree remarkably with the experimentally confirmed resonance states. The effects of the quartic interaction term are investigated by taking an appropriate sign and magnitude for maintaining the stability of the bulk scalar potential. It is shown that such a simply modified soft-wall anti-de Sitter/QCD model can lead to a consistent prediction for the mass spectra of resonance states in the pseudoscalar, scalar, vector, and axial-vector mesons; the agreement with the experimental data is found to be better than 10% for the excited meson states. The resulting pion form factor also agrees well with the experimental data.
资助者: National Science Foundation of China (NSFC)[10821504]; Chinese Academy of Science
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000274002800035
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5189
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Sui, Yan-Qin,Wu, Yue-Liang,Xie, Zhi-Feng,et al. Prediction for the mass spectra of resonance mesons in the soft-wall AdS/QCD model with a modified 5D metric[J]. PHYSICAL REVIEW D,2010,81(1):-.
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