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ID 14583
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creator
CP-PACS Collaboration
JLQCD Collaboration
Kaneko, T
Aoki, S
Fukugita, M
Hashimoto, S
Ishikawa, T
Ishizuka, N
Iwasaki, Y
Kanaya, K
Kuramashi, Y
Taniguchi, N
Tsutsui, N
Ukawa, A
Yoshié, T
NDC
Physics
abstract
We report on a calculation of the light hadron spectrum and quark masses in three-flavor dynamical QCD using the non-perturbatively O(a)-improved Wilson quark action and a renormalization-group improved gauge action. Simulations are carried out on a 163 × 32 lattice at β = 1.9, where a-1 2 GeV, with 6 ud quark masses corresponding to mπ/m 0.64–0.77 and 2 s quark masses close to the physical value. We observe that the inclusion of dynamical strange quark brings the lattice QCD meson spectrum to good agreement with experiment. Dynamical strange quarks also lead to a reduction of the uds quark masses by about 15%.0
journal title
Nuclear Physics B Proceedings Supplements
volume
Volume 129-130
start page
188
end page
190
date of issued
2004
publisher
Elsevier Science B.V.
issn
0920-5632
language
eng
nii type
Journal Article
HU type
Journal Articles
DCMI type
text
format
application/pdf
text version
author
rights
Copyright (c) 2004 Elsevier Science B.V.
relation is version of URL
http://dx.doi.org/10.1016/S0920-5632(03)02525-8
department
Graduate School of Science