$D_s$ physics from fine lattices
  We present a preliminary analysis of the charm quark mass and the mass and decay constant $f_{D_s}$ of the $D_s$ meson obtained from dynamical simulations of $N_f = 2$ Wilson QCD on the large and fine lattices simulated by the CLS effort. 
Georg von Hippel, Rainer Sommer, Jochen Heitger, Stefan Schaefer,   Nazario Tantalo