Matching the Bare and MSbar Charm Quark Masses Using Weak Coupling Simulations

Details Matching the Bare and MSbar Charm Quark Masses Using Weak Coupling Simulations Matching the Bare and MSbar Charm Quark Masses Using Weak Coupling Simulations

2008-10-02

arxiv.org/abs/0810.0285v1

PoS LATTICE2008:225,2008

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, 4 figures, talk presented at the XXVI International Symposium on Lattice Field Theory, July 14-19, 2008, Williamsburg

Scientific paper

We provide a new determination of the charm quark mass using the Highly Improved Staggered Quark (HISQ) action, finding m_c(3 GeV) = 0.983(23) GeV. Our determination makes extensive use of second order lattice perturbation theory in matching the bare lattice mass to the MSbar scheme. This matching utilises both traditional diagrammatic perturbation theory and weak coupling simulations. The second of these techniques allows us to extract perturbative coefficients from Monte-Carlo simulations and the process of doing this is laid out in some detail here.

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