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Pion decay constant for the Kogut-Susskind quark action in quenched lattice QCD
http://hdl.handle.net/2241/89380
http://hdl.handle.net/2241/8938076fae39a-6a95-424d-8a22-01a6c3f4f422
名前 / ファイル | ライセンス | アクション |
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PRD_62-9.pdf (504.7 kB)
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Item type | Journal Article(1) | |||||
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公開日 | 2007-05-24 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Pion decay constant for the Kogut-Susskind quark action in quenched lattice QCD | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
著者 |
Aoki, S.
× Aoki, S.× Fukugita, M.× Hashimoto, S.× Ishikawa, K.-I.× Ishizuka, N.× 岩崎, 洋一× Kanaya, K.× Kaneda, T.× Kaya, S.× Kuramashi, Y.× Okawa, M.× Onogi, T.× Tominaga, S.× Tsutsui, N.× 宇川, 彰× Yamada, N.× Yoshie, T. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We present a study for the pion decay constant fπ in the quenched approximation to lattice QCD with the Kogut-Susskind (KS) quark action, with the emphasis given to the renormalization problems. Numerical simulations are carried out at the couplings β=6.0 and 6.2 on 32^3×64 and 48^3×64 lattices, respectively. The pion decay constant is evaluated for all KS flavors via gauge invariant and noninvariant axial vector currents with the renormalization constants calculated by both the nonperturbative method and perturbation theory. We obtain fπ=89(6) MeV in the continuum limit as the best value using the partially conserved axial vector current, which requires no renormalization. From a study for the other KS flavors we find that the results obtained with the nonperturbative renormalization constants are well convergent among the KS flavors in the continuum limit, confirming restoration of SU(4)A, flavor symmetry, while perturbative renormalization still leaves an apparent flavor breaking effect even in the continuum limit. | |||||
言語 | en | |||||
書誌情報 |
en : Physical review D 巻 62, 号 9, p. 094501, 発行日 2000-10 |
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ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 2470-0010 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00773624 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1103/PhysRevD.62.094501 | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | (c) 2000 The American Physical Society | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | American Physical Society | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2241/89380 | |||||
識別子タイプ | HDL |