Meson Systems with Ginsparg-Wilson Valence Quarks

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dc.creatorWalker-Loud, A.
dc.date2006-11-14
dc.date.accessioned2026-07-07T07:33:40Z
dc.date.available2026-07-07T07:33:40Z
dc.descriptionUnphysical effects associated with finite lattice spacing and partial quenching generally lead to to the presence of unphysical terms in chiral extrapolation formulae, which must be removed to make physical predictions. We use mixed action effective field theory to discuss that through next-to-leading order, simulations of meson systems which employ valence quarks satisfying the Ginsparg-Wilson relation (lattice-chiral symmetry), depend only upon the physical counterterms of interest, provided one uses a lattice-physical (on-shell) renormalization scheme. With this lattice-physical renormalization, the I = 2 pi-pi, I = 3/2 K-pi, I=1 K-K meson scattering lengths combined with f_K / f_pi share only two linearly independent counterterms, both of which are physical. This allows us to make use of existing lattice QCD simulations to make a prediction of the I = 1 K-K scattering length.
dc.descriptionContribution to the 5th International Workshop on Chiral Dynamics, Theory and Experiment, September 18 - 22, 2006, Durham/Chapel Hill, NC, USA
dc.identifierhttps://arxiv.org/abs/nucl-th/0611048
dc.identifierhttp://arxiv.org/abs/nucl-th/0611048
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/119536
dc.subjectNuclear Theory
dc.subjectHigh Energy Physics - Lattice
dc.subjectHigh Energy Physics - Phenomenology
dc.titleMeson Systems with Ginsparg-Wilson Valence Quarks
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