THE LIGHT-QUARK MASSES WITH THE WILSON QUARK ACTION USING CHIRAL WARDIDENTITIES

Authors
AOKI S FUKUGITA M HASHIMOTO S ISHIZUKA N IWASAKI Y KANAYA K KURAMASHI Y OKAWA M UKAWA A YOSHIE T
Citation
S. Aoki et al., THE LIGHT-QUARK MASSES WITH THE WILSON QUARK ACTION USING CHIRAL WARDIDENTITIES, Nuclear physics. B, Proceedings supplement, 63, 1998, pp. 275-277
Citations number
8
Categorie Soggetti
Physics, Particles & Fields
Journal title
Nuclear physics. B, Proceedings supplement → ACNP
ISSN journal
09205632
Volume
63
Year of publication
1998
Pages
275 - 277
Database
ISI
SICI code
0920-5632(1998)63:<275:TLMWTW>2.0.ZU;2-0
Abstract
We present results for the light quark masses for the Wilson quark act ion obtained with the PCAC relation for the one-link extended axial ve ctor current in quenched QCD at beta = 5.9-6.5. This method leads to a remarkable improvement of scaling behavior of the light quark masses compared to the conventional method. We obtain (m) over bar(t) = 3.87( 37)MeV for the averaged up and down quark mass and (m) over bar(s) = 9 7(9)MeV for the strange quark mass in the <(MS)over bar> scheme at mu = 2GeV.