Baryons with Ginsparg-Wilson quarks in a staggered sea

Details Baryons with Ginsparg-Wilson quarks in a staggered sea Baryons with Ginsparg-Wilson quarks in a staggered sea

2005-08-19

arxiv.org/abs/hep-lat/0508019v2

Phys.Rev. D72 (2005) 094501

Physics

High Energy Physics

High Energy Physics - Lattice

21 pages, 2 figures, typos corrected, refs. added

Scientific paper

10.1103/PhysRevD.72.094501

We determine the masses and magnetic moments of the octet baryons in chiral perturbation theory formulated for a mixed lattice action of Ginsparg-Wilson valence quarks and staggered sea quarks. Taste-symmetry breaking does not occur at next-to-leading order in the combined lattice-spacing and chiral expansion. Expressions derived for masses and magnetic moments are required for addressing lattice artifacts in mixed-action simulations of these observables.

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