Light meson masses and decay constants in 2+1 flavour domain wall QCD

Details Light meson masses and decay constants in 2+1 flavour domain wall QCD Light meson masses and decay constants in 2+1 flavour domain wall QCD

2005-12-08

arxiv.org/abs/hep-lat/0512009v1

PoS LAT2005 (2005) 080

Physics

High Energy Physics

High Energy Physics - Lattice

6 pages 4 figures, PoS style, contribution to lattice 2005

Scientific paper

We present results for light meson masses and psedoscalar meson decay constants in 2+1 flavour domain wall QCD with the DBW2 and Iwasaki gauge actions, using lattices with linear sizes in the range 1.6 to 2.2fm and $u$ and $d$ quark masses as low as one quarter of the strange quark mass. All data were generated on the QCDOC machines at the University of Edinburgh and Brookhaven National Laboratory. Despite large residual masses and a limited number of sea quark mass values with which to perform chiral extrapolations, our results agree with experiment and scale within errors.

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