Abstract
We review the domain wall charm physics program of the RBC and UKQCD collaborations based on simulations including ensembles with physical pion mass. We summarise our current set-up and present a status update on the decay constants fD, fDs, the charm quark mass, heavy-light and heavy-strange bag parameters and the ratio ξ
Highlights
In this work we summarise RBC/UKQCD’s domain wall charm physics project with N f = 2 + 1 flavours of dynamical domain wall fermions
In this status report we focus on decay constants, neutral meson mixing and the determination of the charm quark mass
We report on the status of RBC/UKQCD’s domain wall charm physics program including three lattice spacings and two physical pion mass ensembles
Summary
In this work we summarise RBC/UKQCD’s domain wall charm physics project with N f = 2 + 1 flavours of dynamical domain wall fermions. The goal of our ongoing efforts is to provide calculations of non-perturbative quantities which allow, combined with experimental input, for the extraction of CKM [1] matrix elements. In addition we aim to extract the charm quark mass mc. We are working towards extending the reach in the heavy quark mass beyond mc to allow for extrapolations to b-physics. In this status report we focus on decay constants, neutral meson mixing and the determination of the charm quark mass.
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