Lattice renormalisation of O(a) improved heavy-light operators: an addendum

Details Lattice renormalisation of O(a) improved heavy-light operators: an addendum Lattice renormalisation of O(a) improved heavy-light operators: an addendum

2011-06-10

arxiv.org/abs/1106.2132v3

Physics

High Energy Physics

High Energy Physics - Lattice

5 pages, no figures

Scientific paper

The analytical expressions and the numerical values of the renormalisation constants of dimension 3 static-light currents are given at one-loop order of perturbation theory in the framework of Heavy Quark Effective Theory and with an improved gauge action: the static quark is described by the HYP-smeared action and the light quark is of Wilson kind. This completes a work started few years ago and is actually an intermediate step in the measurement of the decay constants $f_{B}$ and $f_{B_{s}}$ by the European Twisted Mass Collaboration [arXiv:1107.1441[hep-lat]].

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