Pion decay constant for the Kogut-Susskind quark action in quenched lattice QCD

JLQCD, Collaboration; Aoki, Sinya; Fukugita, Masataka; Hashimoto, Shoji; Ishikawa, Ken-Ichi; Ishizuka, Naruhito; Iwasaki, Yoichi; Kanaya, Kazuyuki; Kaneko, Takashi; Kaya, Shogo; Kuramashi, Yoshinobu; Okawa, Masanori; Onogi, Tetsuya; Tominaga, Shin-ichi; Tsutsui, Naoto; Ukawa, Akira; Yamada, Norikazu; Yoshie, Tomoteru

doi:10.1103/PhysRevD.62.094501

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lat lon distance

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Pion decay constant for the Kogut-Susskind quark action in quenched lattice QCD

https://hiroshima.repo.nii.ac.jp/records/2008349

名前 / ファイル	ライセンス	アクション
PhysRevD_62_094501.pdf (487.2 KB)

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デフォルトアイテムタイプ_（フル）(1)

公開日

2023-03-18

タイトル

Pion decay constant for the Kogut-Susskind quark action in quenched lattice QCD

言語

作成者

JLQCD, Collaboration
Aoki, Sinya
Fukugita, Masataka
Hashimoto, Shoji
Ishikawa, Ken-Ichi
Ishizuka, Naruhito
Iwasaki, Yoichi
Kanaya, Kazuyuki
Kaneko, Takashi
Kaya, Shogo
Kuramashi, Yoshinobu
Okawa, Masanori
Onogi, Tetsuya
Tominaga, Shin-ichi
Tsutsui, Naoto
Ukawa, Akira
Yamada, Norikazu
Yoshie, Tomoteru

アクセス権

open access

アクセス権URI

http://purl.org/coar/access_right/c_abf2

権利情報

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 323×64 and 483×64 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.

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出版者

American Physical Society

言語

eng

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資源タイプ識別子

http://purl.org/coar/resource_type/c_6501

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journal article

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VoR

出版タイプResource

http://purl.org/coar/version/c_970fb48d4fbd8a85

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2025-02-21 04:20:55.991066

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Pion decay constant for the Kogut-Susskind quark action in quenched lattice QCD

× JLQCD, Collaboration

× Aoki, Sinya

× Fukugita, Masataka

× Hashimoto, Shoji

× Ishikawa, Ken-Ichi

× Ishizuka, Naruhito

× Iwasaki, Yoichi

× Kanaya, Kazuyuki

× Kaneko, Takashi

× Kaya, Shogo

× Kuramashi, Yoshinobu

× Okawa, Masanori

× Onogi, Tetsuya

× Tominaga, Shin-ichi

× Tsutsui, Naoto

× Ukawa, Akira

× Yamada, Norikazu

× Yoshie, Tomoteru

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