The Charm Quark Mass to Two-Loop Order

Details The Charm Quark Mass to Two-Loop Order The Charm Quark Mass to Two-Loop Order

2001-10-16

arxiv.org/abs/hep-lat/0110131v1

Nucl.Phys.Proc.Suppl.106:847-849,2002

Physics

High Energy Physics

High Energy Physics - Lattice

Lattice 2001 (Improvement),3 pages,2 figures,uses espcrc2.sty

Scientific paper

10.1016/S0920-5632(01)01863-1

The truncation of the perturbative series at one loop order for the mass renormalization constants remain a significant systematic uncertainty in the determination of heavy quark masses in lattice QCD. We present here a high beta Monte Carlo calculation of the two loop mass renormalization constant for clover-improved fermions near the charm mass in the Fermilab heavy quark formalism. A preliminary value for the charm quark mass in the MS-bar scheme at two loop order is reported.

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