Non-perturbative determination of heavy quark action coefficients

Details Non-perturbative determination of heavy quark action coefficients Non-perturbative determination of heavy quark action coefficients

2004-09-15

arxiv.org/abs/hep-lat/0409085v1

Physics

High Energy Physics

High Energy Physics - Lattice

Talk presented at Lattice2004(heavy), Fermilab, June 21-26, 2004. 3 pages

Scientific paper

10.1016/j.nuclphysbps.2004.11.30

We propose to determine the coefficients in the Fermilab heavy quark action by matching the finite-volume, off-shell, gauge-fixed propagator and vertex functions with those determined in the exact, relativistic theory. The matching relativistic amplitudes may be determined either from short-distance perturbation theory or from finite-volume step-scaling recursion. Tree-level matching and non-perturbative off-shell amplitudes are presented.

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