QED corrections to leptonic decay rates

A. Juettner; A. Portelli; C. Lehner; C. T. Sachrajda; F. O hOgain; J. P. Richings; P. A. Boyle; V. Guelpers

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arxiv 1902.00295 v2 pith:TC73DHZY submitted 2019-02-01 hep-lat

QED corrections to leptonic decay rates

P. A. Boyle , V. Guelpers , A. Juettner , C. Lehner , F. O hOgain , A. Portelli , J. P. Richings , C. T. Sachrajda This is my paper

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keywords decayleptoniccorrectionsratesall-to-allapproachbreakingcalculation

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RBC/UKQCD is preparing a calculation of leptonic decay rates including isospin breaking corrections using a perturbative approach to include NLO contributions from QED effects. We present preliminary numerical results for a contribution to the leptonic pion decay rate and report on exploratory studies of computational techniques based on all-to-all propagators.

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