Hadron spectrum, quark masses and decay constants from light overlap fermions on large lattices

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dc.creatorGalletly, D.
dc.creatorGürtler, M.
dc.creatorHorsley, R.
dc.creatorPerlt, H.
dc.creatorRakow, P. E. L.
dc.creatorSchierholz, G.
dc.creatorSchiller, A.
dc.creatorStreuer, T.
dc.date2006-07-19
dc.date.accessioned2026-07-07T11:43:24Z
dc.date.available2026-07-07T11:43:24Z
dc.descriptionWe present results from a simulation of quenched overlap fermions with Lüscher-Weisz gauge field action on lattices up to $24^3 48$ and for pion masses down to $\approx 250$ MeV. Among the quantities we study are the pion, rho and nucleon masses, the light and strange quark masses, and the pion decay constant. The renormalization of the scalar and axial vector currents is done nonperturbatively in the $RI-MOM$ scheme. The simulations are performed at two different lattice spacings, $a \approx 0.1$ fm and $\approx 0.15$ fm, and on two different physical volumes, to test the scaling properties of our action and to study finite volume effects. We compare our results with the predictions of chiral perturbation theory and compute several of its low-energy constants. The pion mass is computed in sectors of fixed topology as well.
dc.description32 pages, 17 figures
dc.identifierhttps://arxiv.org/abs/hep-lat/0607024
dc.identifierhttp://arxiv.org/abs/hep-lat/0607024
dc.identifierPhys.Rev.D75:073015,2007
dc.identifierdoi:10.1103/PhysRevD.75.073015
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/201223
dc.subjectHigh Energy Physics - Lattice
dc.titleHadron spectrum, quark masses and decay constants from light overlap fermions on large lattices
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