Extrapolations of lattice meson form factors

T. B. Bunton, F. J. Jiang, B. C. Tiburzi

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

We use chiral perturbation theory to study the extrapolations necessary to make physical predictions from lattice QCD data for the electromagnetic form factors of pseudoscalar mesons. We focus on the quark mass, momentum, lattice spacing, and volume dependence and apply our results to simulations employing mixed actions of Ginsparg-Wilson valence quarks and staggered sea quarks. To determine charge radii at quark masses on the lattices currently used, we find that all extrapolations except the one to infinite volume make significant contributions to the systematic error.

Original languageEnglish
Article number034514
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume74
Issue number3
DOIs
Publication statusPublished - 2006 Sep 7

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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