Soft gluon fields and anomalous magnetic moment of muon

被引：3
|
作者：
Nedelko, Sergei [1 ]
Nikolskii, Aleksei [1 ]
Voronin, Vladimir [1 ]
机构：
[1] JINR, Bogoliubov Lab Theoret Phys, Dubna 141980, Russia
来源：
JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS | 2022年 / 49卷 / 03期
关键词：
anomalous magnetic moment of muon; confinement; vacuum of QCD; hadrons; BY-LIGHT SCATTERING; VACUUM POLARIZATION; MODEL;
D O I：
10.1088/1361-6471/ac4a82
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
An impact of nonperturbatively treated soft gluon modes on the value of anomalous magnetic moment of muon a ( mu ) is studied within the mean-field approach to QCD vacuum and hadronization. It is shown that radial excitations of vector mesons strongly enhance contribution of hadronic vacuum polarization to a ( mu ), doubling the contribution of one-meson processes compared to the result for ground state mesons. The mean field also strongly influences the hadronic light-by-light scattering contribution due to the Wilson line in quark propagators.
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页数：19
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