ITP OpenIR  > 理论物理所2014年知识产出
Resonance effects in pion and kaon decay constants
Guo, ZH; Sanz-Cillero, JJ; Guo, ZH (reprint author), Hebei Normal Univ, Dept Phys, Shijiazhuang 050024, Peoples R China.
2014
发表期刊PHYSICAL REVIEW D
ISSN1550-7998
卷号89期号:9页码:94024
摘要In this article we study the impact of the lightest vector and scalar resonance multiplets in the pion and kaon decay constants up to next-to-leading order in the 1/N-C expansion, i.e., up to the one-loop level. The F-pi and F-K predictions obtained within the framework of resonance chiral theory are confronted with lattice simulation data. The vector loops (and the rho - pi pi coupling G(V) in particular) are found to play a crucial role in the determination of the chiral perturbation theory couplings L-4 and L-5 at next-to-leading order in 1/N-C. Puzzling, values of GV less than or similar to 40 MeV seem to be necessary to agree with current phenomenological results for L-4 and L-5. Conversely, a value of G(V) greater than or similar to 60 MeV compatible with standard rho - pi pi determinations turns these chiral couplings negative. However, in spite of the strong anti-correlation with L-4, the SU(3) chiral coupling F-0 remains stable all the time and stays within the range 78 similar to 86 MeV when G(V) is varied in a wide range, from 40 up to 70 MeV. Finally, we would like to remark that the leading order expressions used in this article for the eta - eta' mixing, mass splitting of the vector multiplet masses and the quark mass dependence of the rho(770) mass are found in reasonable agreement with the lattice data.
部门归属[Guo, Zhi-Hui] Hebei Normal Univ, Dept Phys, Shijiazhuang 050024, Peoples R China
关键词Chiral Perturbation-theory Low-energy Constants One-loop Chi Pole Analysis Lattice Qcd Quark Lagrangians Amplitudes Physics Mesons
学科领域Physics
资助者National Natural Science Foundation of China (NSFC) [11105038]; Natural Science Foundation of Hebei Province [A2011205093]; Doctor Foundation of Hebei Normal University [L2010B04]; Spanish Government; ERDF funds from the European Commission [FPA2010-17747, SEV-2012-0249, CSD2007-00042]; Comunidad de Madrid [HEPHACOS S2009/ESP-1473] ; National Natural Science Foundation of China (NSFC) [11105038]; Natural Science Foundation of Hebei Province [A2011205093]; Doctor Foundation of Hebei Normal University [L2010B04]; Spanish Government; ERDF funds from the European Commission [FPA2010-17747, SEV-2012-0249, CSD2007-00042]; Comunidad de Madrid [HEPHACOS S2009/ESP-1473] ; National Natural Science Foundation of China (NSFC) [11105038]; Natural Science Foundation of Hebei Province [A2011205093]; Doctor Foundation of Hebei Normal University [L2010B04]; Spanish Government; ERDF funds from the European Commission [FPA2010-17747, SEV-2012-0249, CSD2007-00042]; Comunidad de Madrid [HEPHACOS S2009/ESP-1473] ; National Natural Science Foundation of China (NSFC) [11105038]; Natural Science Foundation of Hebei Province [A2011205093]; Doctor Foundation of Hebei Normal University [L2010B04]; Spanish Government; ERDF funds from the European Commission [FPA2010-17747, SEV-2012-0249, CSD2007-00042]; Comunidad de Madrid [HEPHACOS S2009/ESP-1473]
DOI10.1103/PhysRevD.89.094024
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收录类别SCI
语种英语
资助者National Natural Science Foundation of China (NSFC) [11105038]; Natural Science Foundation of Hebei Province [A2011205093]; Doctor Foundation of Hebei Normal University [L2010B04]; Spanish Government; ERDF funds from the European Commission [FPA2010-17747, SEV-2012-0249, CSD2007-00042]; Comunidad de Madrid [HEPHACOS S2009/ESP-1473] ; National Natural Science Foundation of China (NSFC) [11105038]; Natural Science Foundation of Hebei Province [A2011205093]; Doctor Foundation of Hebei Normal University [L2010B04]; Spanish Government; ERDF funds from the European Commission [FPA2010-17747, SEV-2012-0249, CSD2007-00042]; Comunidad de Madrid [HEPHACOS S2009/ESP-1473] ; National Natural Science Foundation of China (NSFC) [11105038]; Natural Science Foundation of Hebei Province [A2011205093]; Doctor Foundation of Hebei Normal University [L2010B04]; Spanish Government; ERDF funds from the European Commission [FPA2010-17747, SEV-2012-0249, CSD2007-00042]; Comunidad de Madrid [HEPHACOS S2009/ESP-1473] ; National Natural Science Foundation of China (NSFC) [11105038]; Natural Science Foundation of Hebei Province [A2011205093]; Doctor Foundation of Hebei Normal University [L2010B04]; Spanish Government; ERDF funds from the European Commission [FPA2010-17747, SEV-2012-0249, CSD2007-00042]; Comunidad de Madrid [HEPHACOS S2009/ESP-1473]
WOS记录号WOS:000336760000003
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15756
专题理论物理所2014年知识产出
通讯作者Guo, ZH (reprint author), Hebei Normal Univ, Dept Phys, Shijiazhuang 050024, Peoples R China.
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Guo, ZH,Sanz-Cillero, JJ,Guo, ZH . Resonance effects in pion and kaon decay constants[J]. PHYSICAL REVIEW D,2014,89(9):94024.
APA Guo, ZH,Sanz-Cillero, JJ,&Guo, ZH .(2014).Resonance effects in pion and kaon decay constants.PHYSICAL REVIEW D,89(9),94024.
MLA Guo, ZH,et al."Resonance effects in pion and kaon decay constants".PHYSICAL REVIEW D 89.9(2014):94024.
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