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Dynamically spontaneous symmetry breaking and masses of lightest nonet scalar mesons as composite Higgs bosons
Dai, Yuan-Ben; Wu, Yue-Liang; Dai, YB , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
2005
发表期刊EUROPEAN PHYSICAL JOURNAL C
ISSN1434-6044
卷号39期号:1页码:1-8
摘要Based on the (approximate) chiral symmetry of QCD Lagrangian and the bound state assumption of effective meson fields, a nonlinearly realized effective chiral Lagrangian for meson fields is obtained from integrating out the quark fields by using the new finite regularization method. As the new method preserves the symmetry principles of the original theory and meanwhile keeps the finite quadratic term given by a physically meaningful characteristic energy scale M(c), it then leads to a dynamically spontaneous symmetry breaking in the effective chiral field theory. The gap equations are obtained as the conditions of minimal effective potential in the effective theory. The instanton effects are included via the induced interactions discovered by 't Hooft and found to play an important role in obtaining the physical solutions for the gap equations. The lightest nonet scalar mesons (sigma, f(0), a(0) and kappa) appearing as the chiral partners of the nonet pseudoscalar mesons are found to be composite Higgs bosons with masses below the chiral symmetry breaking scale Lambda(chi) similar to 1.2 GeV. In particular, the mass of the singlet scalar (or the sigma) is found to be m(sigma) similar or equal to 677 MeV.
部门归属[Dai, Yuan-Ben; Wu, Yue-Liang] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
学科领域Physics
资助者Chinese Academy of Sciences; National Science Foundation of China ; Chinese Academy of Sciences; National Science Foundation of China ; Chinese Academy of Sciences; National Science Foundation of China ; Chinese Academy of Sciences; National Science Foundation of China ; Chinese Academy of Sciences; National Science Foundation of China ; Chinese Academy of Sciences; National Science Foundation of China ; Chinese Academy of Sciences; National Science Foundation of China ; Chinese Academy of Sciences; National Science Foundation of China
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收录类别SCI
资助者Chinese Academy of Sciences; National Science Foundation of China ; Chinese Academy of Sciences; National Science Foundation of China ; Chinese Academy of Sciences; National Science Foundation of China ; Chinese Academy of Sciences; National Science Foundation of China ; Chinese Academy of Sciences; National Science Foundation of China ; Chinese Academy of Sciences; National Science Foundation of China ; Chinese Academy of Sciences; National Science Foundation of China ; Chinese Academy of Sciences; National Science Foundation of China
WOS记录号WOS:000207563200001
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被引频次:20[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13884
专题理论物理所SCI论文
通讯作者Dai, YB , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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Dai, Yuan-Ben,Wu, Yue-Liang,Dai, YB , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.. Dynamically spontaneous symmetry breaking and masses of lightest nonet scalar mesons as composite Higgs bosons[J]. EUROPEAN PHYSICAL JOURNAL C,2005,39(1):1-8.
APA Dai, Yuan-Ben,Wu, Yue-Liang,&Dai, YB , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2005).Dynamically spontaneous symmetry breaking and masses of lightest nonet scalar mesons as composite Higgs bosons.EUROPEAN PHYSICAL JOURNAL C,39(1),1-8.
MLA Dai, Yuan-Ben,et al."Dynamically spontaneous symmetry breaking and masses of lightest nonet scalar mesons as composite Higgs bosons".EUROPEAN PHYSICAL JOURNAL C 39.1(2005):1-8.
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