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Quark spectra and light hadron phenomenology from overlap fermions with improved gauge field action

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arxiv hep-lat/0310028 v2 pith:5IQ6M3FX submitted 2003-10-08 hep-lat

classification hep-lat
keywords overlapquarkactionfermionsfieldgaugehadronimproved
verification ladder T0 review T1 audit T2 compute T3 formal
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We present first results from a simulation of quenched overlap fermions with improved gauge field action. Among the quantities we study are the spectral properties of the overlap operator, the chiral condensate and topological charge, quark and hadron masses, and selected nucleon matrix elements. To make contact with continuum physics, we compute the renormalization constants of quark bilinear operators in perturbation theory and beyond.

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