A quenched study of mb in HQET beyond the leading order
Abstract
A non perturbative method to compute the mass of the b quark including the 1/m term in HQET has been presented in a companion talk. Following this strategy, we find in the MS bar scheme mbstat(mb) = 4.350(64) GeV for the leading term, and mb(1)(mb) = -0.049(29) GeV for the next to leading order correction. This method involves several steps, including the simulation of the relativistic theory in a small volume, and of the effective theory in a big volume. Here we present some numerical details of our calculations.
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