Lattice renormalization of the static quark derivative operator

Blossier, B.; Yaouanc, A. Le; Morenas, V.; Pene, O

doi:10.1016/j.physletb.2005.10.026

arXiv 2005-07-20 DOI 10.1016/j.physletb.2005.10.026 0 views

Lattice renormalization of the static quark derivative operator

Blossier, B. · Yaouanc, A. Le · Morenas, V. · Pene, O

High Energy Physics - Lattice

Original · EN

We give the analytical expressions and numerical values of radiative corrections to the covariant derivative operator on the static quark line, used for the lattice calculation of the Isgur-Wise form factors τ₁/₂(1) and τ₃/₂(1). Those corrections induce an enhancement of renormalized quantities if an hypercubic blocking is applied to the Wilson line, whereas there is a reduction without such a blocking.

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