Speaker
Sjoerd Bouma
(Universität Erlangen-Nürnberg (FAU))
Description
We have recently performed a determination of the charm quark mass on $N_f = 2+1$ CLS ensembles of non-perturbatively improved Wilson fermions. The extrapolation to the chiral and continuum limits is performed using 5 lattice spacings ranging roughly from 0.09 down to 0.04 fm and pion masses from 420 MeV to 130 MeV. The spatial extent of the ensembles is generally at least $4 / M_\pi$. We will present the preliminary results of this analysis for the renormalization-group invariant charm quark mass and the ratio $m_c/m_s$. In this talk, we will discuss the various analysis strategies we considered, including the fitting procedure, corrections for the correlations in the data, and the chiral-continuum extrapolation.
Primary author
Sjoerd Bouma
(Universität Erlangen-Nürnberg (FAU))
Co-authors
Gunnar Bali
(Universität Regensburg)
Sara Collins
(University of Regensburg)
Wolfgang Soeldner
(University of Regensburg)
