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Hadronic Light-By-Light Scattering Contribution to the Muon<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi mathvariant="italic">g</mml:mi><mml:mi /><mml:mo>โˆ’</mml:mo><mml:mi /><mml:mn>2</mml:mn></mml:math>: An Effective Field Theory Approach

Hadronic Light-By-Light Scattering Contribution to the Muon<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi mathvariant="italic">g</mml:mi><mml:mi /><mml:mo>โˆ’</mml:mo><mml:mi /><mml:mn>2</mml:mn></mml:math>: An Effective Field Theory Approach

The hadronic light-by-light contribution to a(mu), the anomalous magnetic moment of the muon, is discussed from the point of view of an effective low-energy theory. As an application, the coefficient of the leading logarithm arising from the two-loop graphs involving two anomalous vertices is computed, and found to be positive. โ€ฆ