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epsilon'/epsilon at next-to-leading in 1/Nc and to lowest order CHPT

Johan Bijnens, Joaquim Prades

hep-pharXiv:hep-ph/0009156

Abstract

We report on a calculation of epsilon'/epsilon at next-to-leading in the 1/Nc expansion and to lowest order in Chiral Perturbation Theory. We also discuss the chiral corrections to our results and give the result of including the two known chiral corrections.

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