Light meson masses and non-perturbative renormalisation in 2+1 flavour domain wall QCD
C. Allton, D. J. Antonio, P. A. Boyle, C. Dawson, A. Jüttner, R. D. Kenway, S. Li, M. Lin, C. M. Maynard, J. Noaki, B. J. Pendleton, R. J. Tweedie, A. Yamaguchi, J. M. Zanotti, RBC Collaboration, UKQCD Collaboration
Abstract
We present results for the light meson masses, the bare strange quark mass and preliminary non-perturbative renormalisation of BK in 2+1 flavour domain wall QCD. The ensembles used were generated with the Iwasaki gauge action and have a volume of 163 x 32 with a fifth dimension size of 16 and an inverse lattice spacing of 1.6 GeV. These ensembles have u and d masses as low as one quarter of the strange quark mass. All data were generated jointly by the UKQCD and RBC collaborations on QCDOC machines.
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