Abstract
The light-by-light contribution from the lightest neutral pseudoscalar and scalar mesons to the anomalous magnetic moment of muon is calculated in the framework nonlocal S U ( 3 ) × S U ( 3 ) quark model. The model is based on a four-quark interaction of the Nambu–Jona-Lasinio type and tʼHooft six-quark interaction. Full kinematic dependencies of vertices with off-shell mesons in the light-by-light scattering amplitude is taken into account.
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