Quenched Light Hadron Spectrum CP - PACS Collaboration

نویسندگان

  • G. Boyd
  • R. Burkhalter
  • S. Ejiri
  • M. Fukugita
  • S. Hashimoto
  • Y. Iwasaki
  • K. Kanaya
  • T. Kaneko
  • Y. Kuramashi
  • K. Nagai
  • M. Okawa
  • H. P. Shanahan
  • A. Ukawa
  • T. Yoshié
چکیده

We present results of a large-scale simulation for the flavor non-singlet light hadron spectrum in quenched lattice QCD with the Wilson quark action. Hadron masses are calculated at four values of lattice spacing in the range a ≈ 0.1 – 0.05 fm on lattices with a physical extent of 3 fm at five quark masses corresponding to mπ/mρ ≈ 0.75 – 0.4. The calculated spectrum in the continuum limit shows a systematic deviation from experiment, though the magnitude of deviation is contained within 11%. Results for decay constants and light quark masses are also reported. 11.15.Ha, 11.30.Rd, 12.15.Ff, 12.38.Gc, 14.20.-c, 14.40.-n Typeset using REVTEX

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تاریخ انتشار 1999