Quenched QCD with fixed-point and chirally improved fermion

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dc.creatorGattringer, Christof
dc.creatorGöckeler, Meinulf
dc.creatorHasenfratz, Peter
dc.creatorHauswirth, Simon
dc.creatorHolland, Kieran
dc.creatorJörg, Thomas
dc.creatorJuge, K. J.
dc.creatorLang, C. B.
dc.creatorNiedermayer, Ferenc
dc.creatorRakow, P. E. L.
dc.creatorSchaefer, Stefan
dc.creatorSchäfer, Andreas
dc.date2002-09-10
dc.date.accessioned2026-07-07T11:47:07Z
dc.date.available2026-07-07T11:47:07Z
dc.descriptionIn this contribution we present results from quenched QCD simulations with the parameterized fixed-point (FP) and the chirally improved (CI) Dirac operator. Both these operators are approximate solutions of the Ginsparg-Wilson equation and have good chiral properties. We focus our discussion on observables sensitive to chirality. In particular we explore pion masses down to 210 MeV in light hadron spectroscopy, quenched chiral logs, the pion decay constant and the pion scattering length. We discuss finite volume effects, scaling properties of the FP and CI operators and performance issues in their numerical implementation.
dc.descriptionLattice2002(chiral), 17 pages, 21 figures, (LaTeX style file espcrc2.sty and AMS style files)
dc.identifierhttps://arxiv.org/abs/hep-lat/0209099
dc.identifierhttp://arxiv.org/abs/hep-lat/0209099
dc.identifierNucl.Phys.Proc.Suppl.119:796-812,2003
dc.identifierdoi:10.1016/S0920-5632(03)01687-6
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/202458
dc.subjectHigh Energy Physics - Lattice
dc.titleQuenched QCD with fixed-point and chirally improved fermion
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