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arxiv: 1311.5498 · v2 · pith:Q2YY66NNnew · submitted 2013-11-21 · ✦ hep-lat · hep-ph

The b-quark mass from non-perturbative N_f=2 Heavy Quark Effective Theory at O(1/m_h)

F. Bernardoni , B. Blossier , J. Bulava , M. Della Morte , P. Fritzsch , N. Garron , A. Gerardin , J. Heitger
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G. von Hippel H. Simma R. Sommer
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classification ✦ hep-lat hep-ph
keywords b-quarkeffectiveheavymassoverlinequarktheoryconservative
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We report our final estimate of the b-quark mass from $N_f=2$ lattice QCD simulations using Heavy Quark Effective Theory non-perturbatively matched to QCD at $O(1/m_h)$. Treating systematic and statistical errors in a conservative manner, we obtain $\overline{m}_{\rm b}^{\overline{\rm MS}}(2 {\rm GeV})=4.88(15)$ GeV after an extrapolation to the physical point.

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