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26 April 2024

» arxiv » hep-lat/9909050

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Light hadron spectrum and quark masses in QCD with two flavors of dynamical quarks
CP-PACS Collaboration: A.Ali Khan ; S.Aoki ; G.Boyd ; R.Burkhalter ; S.Ejiri ; M.Fukugita ; S.Hashimoto ; N.Ishizuka ; Y.Iwasaki ; K.Kanaya ; T.Kaneko ; Y.Kuramashi ; T.Manke ; K.Nagai ; M.Okawa ; H.P.Shanahan ; A.Ukawa ; T.Yoshié ;
Date:	8 Sep 1999
Journal:	Nucl.Phys.Proc.Suppl. 83 (2000) 176-178
Subject:	hep-lat
Abstract:	We present updated results of the CP-PACS calculation of the light hadron spectrum in $N_{ m f}=2$ full QCD. Simulations are made with an RG-improved gauge action and a tadpole-improved clover quark action for sea quark masses corresponding to $m_{ m PS}/m_{ m V} approx 0.8$--0.6 and the lattice spacing $a=0.22$--0.09 fm. A comparison of the full QCD spectrum with new quenched results, obtained with the same improved action, shows clearly the existence of sea quark effects in vector meson masses. Results for light quark masses in $N_{ m f}=2$ QCD are also presented.
Source:	arXiv, hep-lat/9909050
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