Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
2006-01-03
Phys.Rev.D73:054508,2006
Physics
High Energy Physics
High Energy Physics - Lattice
39 pages, 13 figures, latex
Scientific paper
10.1103/PhysRevD.73.054508
We present a determination of the strange quark mass for two flavours (nf=2) of light dynamical quarks using the axial Ward identity. The calculations are performed on the lattice using O(a) improved Wilson fermions and include a fully non-perturbative determination of the renormalisation constant. In the continuum limit we find in the MSbar scheme at 2GeV, ms = 111(6)(4)(6)MeV using the force scale r0 = 0.467fm, where the first error is statistical, the second and third are systematic due to the fit and scale uncertainties respectively. Results are also presented for the light quark mass and the chiral condensate. The corresponding results are also given for r0=0.5fm.
Göckeler Meinulf
Horsley Roger
Irving Alan C.
Pleiter Dirk
Rakow Paul E. L.
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