Light hadrons from Nf=2+1+1 dynamical twisted mass fermions

Details Light hadrons from Nf=2+1+1 dynamical twisted mass fermions Light hadrons from Nf=2+1+1 dynamical twisted mass fermions

2011-01-03

arxiv.org/abs/1101.0518v1

PoS LAT2010:123,2010

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, 5 figures, talk presented at the XXVIII International Symposium on Lattice Field Theory, Lattice2010, June 14-19, 201

Scientific paper

We present results of lattice QCD simulations with mass-degenerate up and down and mass-split strange and charm (Nf=2+1+1) dynamical quarks using Wilson twisted mass fermions at maximal twist. The tuning of the strange and charm quark masses is performed at three values of the lattice spacing a~0.06 fm, a~0.08 fm and a~0.09 fm with lattice sizes ranging from L~1.9 fm to L~3.9 fm. We perform a preliminary study of SU(2) chiral perturbation theory by combining our lattice data from these three values of the lattice spacing.

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