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An unquenched lattice QCD calculation of the mass of the bottom quark

UKQCD Collaboration, C. McNeile, C. Michael, Gavin Thompson

hep-latarXiv:hep-lat/0408025

Abstract

We compute the b quark mass from dynamical lattice QCD with clover quarks. The calculation is done at a fixed lattice spacing with sea quark masses as low as half the strange quark mass. Our final result is mb(mb = 4.25(2)(11) GeV, where the first error is statistical and the last error is the systematic uncertainty.

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