Weak Matrix Elements on the Lattice: Recent Developments in K-Physics
M. Talevi
Abstract
Some recent developments in the calculation of weak matrix elements on the lattice are reviewed. In particular, we concentrate on the application of MPSTV non-perturbative renormalization method to the operators relevant to kaon physics. The chiral behaviour of the BK parameter and the long-standing question of the ΔI=1/2 rule are discussed.
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