EPJ Web Conf.
Volume 212, 2019The 12th International Workshop on e+e- Collisions from Phi to Psi (PhiPsi 2019)
|Number of page(s)||5|
|Section||Muon g-2 (Experiment and Theory)|
|Published online||17 June 2019|
The LbL contribution to the muon g-2 from the axial-vector mesons exchanges within the nonlocal quark model
Joint Institute of Nuclear Research, BLTP, 141980, Moscow region, Dubna, Russia
2 Samara University, 443086, Samara, Russia
3 Matrosov Institute for System Dynamics and Control Theory SB RAS, 664033, Irkutsk, Russia
* e-mail: firstname.lastname@example.org
Published online: 17 June 2019
The light-by-light contribution from the axial-vector (AV) mesons exchanges to the muon anomalous magnetic moment is estimated in the framework of the nonlocal chiral quark model. The preliminary answer for contributions from a1 and f1 mesons to (g − 2)µ is 0.34 · 10−11 and does not support the Melnikov-Vainshtein estimate 2.2 · 10−11.
© The Authors, published by EDP Sciences, 2019
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