Extrapolations of lattice meson form factors

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

研究成果: 雜誌貢獻文章

36 引文 斯高帕斯(Scopus)

摘要

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.

原文英語
文章編號034514
期刊Physical Review D - Particles, Fields, Gravitation and Cosmology
74
發行號3
DOIs
出版狀態已發佈 - 2006

ASJC Scopus subject areas

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

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