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Nucleon strange quark content from two-flavor lattice QCD with exact chiral symmetry
http://hdl.handle.net/2241/113508
http://hdl.handle.net/2241/11350845fcc601-d3d7-4b8c-a854-d6525bedfb11
名前 / ファイル | ライセンス | アクション |
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PRD_83-11.pdf (576.0 kB)
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Item type | Journal Article(1) | |||||
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公開日 | 2011-07-11 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Nucleon strange quark content from two-flavor lattice QCD with exact chiral symmetry | |||||
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 |
Takeda, K.
× Takeda, K.× Aoki, S.× Hashimoto, S.× Kaneko, T.× Noaki, J.× Onogi, T. |
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著者別名 |
青木, 愼也
× 青木, 愼也 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The strange quark content of the nucleon <N | |||||
言語 | en | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | s? s | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | N> is calculated in dynamical lattice QCD employing the overlap fermion formulation. For this quantity, exact chiral symmetry guaranteed by the Ginsparg-Wilson relation is crucial to avoid large contamination due to a possible operator mixing with u? u+d? d. Gauge configurations are generated with two dynamical flavors on a 163×32 lattice at a lattice spacing a?0.12??fm. We directly calculate the relevant three-point function on the lattice including a disconnected strange quark loop utilizing the techniques of the all-to-all quark propagator and low-mode averaging. Our result fTs=ms<N | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | s? s | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | N>/MN=0.032(8)stat(22)sys, where ms and MN are strange quark and nucleon masses, is in good agreement with our previous indirect estimate using the Feynman-Hellmann theorem. | |||||
書誌情報 |
en : Physical review D 巻 83, 号 11, p. 114506, 発行日 2011-06 |
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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.83.114506 | |||||
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/2241/113508 | |||||
識別子タイプ | HDL |