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ρ meson decay in 2+1 flavor lattice QCD
http://hdl.handle.net/2241/114805
http://hdl.handle.net/2241/114805c50287f8-62a6-4938-a385-ac8183638c70
名前 / ファイル | ライセンス | アクション |
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PRD_84-09.pdf (769.7 kB)
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Item type | Journal Article(1) | |||||
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公開日 | 2012-01-12 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | ρ meson decay in 2+1 flavor 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.× Ishikawa, K-I.× Ishizuka, N.× Kanaya, K.× Kuramashi, Y.× Namekawa, Y.× Okawa, M.× Taniguchi, Y.× Ukawa, A.× Ukita, N.× Yamazaki, T.× Yoshie, T. |
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著者別名 |
青木, 愼也
× 青木, 愼也× 石塚, 成人× 金谷, 和至× 藏増, 嘉伸× 谷口, 裕介× 宇川, 彰× 吉江, 友照 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We perform a lattice QCD study of the ρ meson decay from the Nf=2+1 full QCD configurations generated with a renormalization group improved gauge action and a nonperturbatively O(a)-improved Wilson fermion action. The resonance parameters, the effective ρ→ππ coupling constant and the resonance mass, are estimated from the P-wave scattering phase shift for the isospin I=1 two-pion system. The finite size formulas are employed to calculate the phase shift from the energy on the lattice. Our calculations are carried out at two quark masses, mπ=410??MeV (mπ/mρ=0.46) and mπ=300??MeV (mπ/mρ=0.35), on a 323×64 (La=2.9??fm) lattice at the lattice spacing a=0.091??fm. We compare our results at these two quark masses with those given in the previous works using Nf=2 full QCD configurations and the experiment. | |||||
言語 | en | |||||
書誌情報 |
en : Physical review D 巻 84, 号 09, p. 094505, 発行日 2011-11 |
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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 | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1103/PhysRevD.84.094505 | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | c 2011 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/2241/114805 | |||||
識別子タイプ | HDL |