Non-perturbative renormalization of the ΔS=2 operator and the heavy-light axial current
A. Donini, V. Gimenez, G. Martinelli, C. T. Sachrajda, M. Talevi, A. Vladikas
Abstract
We apply a recently introduced non-perturbative renormalization method to two types of lattice operators: the ΔS=2 four fermion operator and the heavy-light static axial current, which are relevant for the physics of K and B mesons respectively. The results of the non-perturbative calculations of the renormalization constants are compared with the corresponding perturbative ones.
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