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题名: Scrutinizing the eta-eta ' mixing, masses and pseudoscalar decay constants in the framework of U(3) chiral effective field theory
作者: Guo, XK;  Guo, ZH;  Oller, JA;  Sanz-Cillero, JJ
刊名: JOURNAL OF HIGH ENERGY PHYSICS
出版日期: 2015
期号: 6, 页码:175
关键词: Effective field theories ;  Chiral Lagrangians
学科分类: Physics
DOI: http://dx.doi.org/10.1007/JHEP06(2015)175
通讯作者: Guo, ZH (reprint author), Hebei Normal Univ, Dept Phys, Shijiazhuang 050024, Peoples R China.
文章类型: Article
英文摘要: We study the eta-eta' mixing up to next-to-next-to-leading-order in U(3) chiral perturbation theory in the light of recent lattice simulations and phenomenological inputs. A general treatment for the eta-eta' mixing at higher orders, with the higher-derivative, kinematic and mass mixing terms, is addressed. The connections between the four mixing parameters in the two-mixing-angle scheme and the low energy constants in the U(3) chiral effective theory are provided both for the singlet-octet and the quark-flavor bases. The axial-vector decay constants of pion and kaon are studied in the same order and confronted with the lattice simulation data as well. The quark-mass dependences of m(eta), m(eta') and m(K) are found to be well described at next-to-leading order. Nonetheless, in order to simultaneously describe the lattice data and phenomenological determinations for the properties of light pseudoscalars pi, K, eta and eta', the next-to-next-to-leading order study is essential. Furthermore, the lattice and phenomenological inputs are well reproduced for reasonable values of low the energy constants, compatible with previous bibliography.
类目[WOS]: Physics, Particles & Fields
关键词[WOS]: LARGE-N-C ;  PERTURBATION-THEORY ;  MESON MASSES ;  DYNAMICS ;  QUARK ;  LIMIT ;  CHROMODYNAMICS ;  RESONANCES ;  U(1)
收录类别: SCI
项目资助者: National Natural Science Foundation of China (NSFC) [11105038] ;  Natural Science Foundation of Hebei Province [A2015205205] ;  Education Department of Hebei Province [YQ2014034] ;  Department of Human Resources and Social Security of Hebei Province [C201400323] ;  Doctor Foundation of Hebei Normal University [L2010B04] ;  Spanish Government (MINECO) ;  European Commission (ERDF) [FPA2010-17747, FPA2013-44773-P, FPA2013-40483-P, SEV-2012-0249, CSD2007-00042] ;  MINECO (Spain) [FIS2014-57026-REDT] ;  EPOS network of the European Community Research Infrastructure Integrating Activity "Study of Strongly Interacting Matter" (HadronPhysics3) [283286]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/20951
Appears in Collections:理论物理所2015年知识产出_期刊论文

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Recommended Citation:
Guo, XK,Guo, ZH,Oller, JA,et al. Scrutinizing the eta-eta ' mixing, masses and pseudoscalar decay constants in the framework of U(3) chiral effective field theory[J]. JOURNAL OF HIGH ENERGY PHYSICS,2015(6):175.
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