Hadronic contribution from light by light processes in (g-2) of muon in nonlocal quark model
Zhevlakov, A. S. · Dorokhov, A. E. · Radzhabov, A. E.
الأصل · EN
The hadronic corrections to the muon anomalous magnetic moment, due to the full gauge-invariant set of diagrams with dynamical quark loop and intermediate pseudoscalar and scalar states light-by-light scattering insertions, are calculated in the framework of the nonlocal chiral quark model. These diagrams correspond to all hadronic light-by-light scattering contributions to aμ in the leading order of the 1/Nc expansion in quark model. The result for the quark loop contribution is aμHLbL,Loop=(11.0±0.9) ·10⁻¹⁰, and the total result is aμHLbL,NχQM=(16.8±1.2) · 10⁻¹⁰.
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