Non-perturbative renormalization factors of bilinear quark operators for Kogut-Susskind fermions and light quark masses in quenched QCD

Nuclear Physics B Proceedings Supplements Volume 73 Issue 1-3 Page 279-281 published_at 1999
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Title ( eng )
Non-perturbative renormalization factors of bilinear quark operators for Kogut-Susskind fermions and light quark masses in quenched QCD
Creator
JLQCD Collaboration
Aoki S
Fukugita M
Hashimoto S
Ishizuka N
Iwasaki Y
Kanaya K
Kaneda T
Kaya S
Kuramashi Y
Onogi T
Tominaga S
Tsutsui N
Ukawa A
Yamada N
Yoshié T
Source Title
Nuclear Physics B Proceedings Supplements
Volume 73
Issue 1-3
Start Page 279
End Page 281
Abstract
Light quark masses are computed for Kogut-Susskind fermions by evaluating non-perturbatively the renormalization factor for bilinear quark operators. Calculations are carried out in the quenched approximation at β = 6.0, 6.2, and 6.4. For the average up and down quark mass we find m(2GeV) = 4.15(27)MeV in the continuum limit, which is significantly larger than 3.51(20)MeV (q* = 1/a) or 3.40(21)MeV (q* = π/a) obtained with the one-loop perturbative renormalization factor.
NDC
Physics [ 420 ]
Language
eng
Resource Type journal article
Publisher
Elsevier Science B.V.
Date of Issued 1999
Rights
Copyright (c) 1999 Elsevier Science B.V.
Publish Type Author’s Original
Access Rights open access
Source Identifier
[ISSN] 0920-5632
[DOI] http://dx.doi.org/10.1016/S0920-5632(99)85047-6 isVersionOf