Non-Perturbative Renormalisation using Domain Wall Fermions

preprint1999arXivOpen access

Abstract

The viability of the Non-Perturbative Renormalisation (NPR) method of the Rome/Southampton group is studied, for the first time, in the context of domain wall fermions. The procedure is used to extract the renormalisation coefficients of the various quark bilinears, as well as the four-fermion operators relevant to the ΔS=2ΔS=2 effective Hamiltonian. The renormalisation of the ΔS=1ΔS=1 Hamiltonian is also discussed.

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