Hadronic corrections to the muon decay
classification
✦ hep-ph
keywords
decaycorrectionselectronenergyhadronicmuonalphaapproach
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We consider the O(alpha^2) hadronic corrections to the energy spectrum of the decay electron in muon decay. We find that the correction can be described, within good approximation, by a linear function in the electron energy. Explicit expressions for the form factors needed in an approach based on dispersion integrals are given.
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