Meson masses and decay constants from unquenched lattice QCD

Details Meson masses and decay constants from unquenched lattice QCD Meson masses and decay constants from unquenched lattice QCD

2009-06-25

arxiv.org/abs/0906.4720v2

Physics

High Energy Physics

High Energy Physics - Lattice

35 pages, 14 figures. Added 2 references. Fixed small typos

Scientific paper

We report results for the masses of the flavour non-singlet light 0++, 1--, and 1+- mesons from unquenched lattice QCD at two lattice spacings. The twisted mass formalism was used with two flavours of sea quarks. For the 0++ and 1+- mesons we look for the effect of decays on the mass dependence. For the light vector mesons we study the chiral extrapolations of the mass. We report results for the leptonic and transverse decay constants of the rho meson. We test the mass dependence of the KRSF relations.

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