Hadronic contributions to the muon anomaly in the Constituent Chiral Quark Model

被引：0
|
作者：
Greynat, David [1 ,2 ]
机构：
[1] Univ Napoli Federico II, Dept Sci Fis, Via Cintia, I-80126 Naples, Italy
[2] INFN Sez Napoli, Via Cintia, I-80126 Naples, Italy
来源：
INTERNATIONAL WORKSHOP ON FLAVOUR CHANGING AND CONSERVING PROCESSES 2015 (FCCP 2015) | 2016年 / 118卷
关键词：
MAGNETIC-MOMENT; G-2;
D O I：
10.1051/epjconf/201611801013
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
The hadronic contributions to the anomalous magnetic moment of the muon which are relevant for the confrontation between theory and experiment at the present level of accuracy, are evaluated within the same framework: the constituent chiral quark model. This includes the contributions from the dominant hadronic vacuum polarization as well as from the next-to-leading order hadronic vacuum polarization, the contributions from the hadronic light-by-light scattering, and the contributions from the electroweak hadronic Z gamma gamma vertex. They are all evaluated as a function of only one free parameter: the constituent quark mass. We also comment on the comparison between our results and other phenomenological evaluations.
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页数：7
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