Abstract

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Stout smearing for twisted mass

Presenter: Karl Jansen — DESY

Karl Jansen

The effect of stout smearing is investigated in numerical simulations with twisted mass Wilson quarks. The change of the phase transition near zero quark mass is studied on 123 24 and 163 32 lattices at a lattice spacing a ≃ 0.125 fm. The renormalisation of bare parameters is compared to runs without smearing for Nf=2 and Nf=2+1+1 dynamical quark flavours.