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Hadron masses and decay constants with Wilson quarks at β=5.85 and 6.0
http://hdl.handle.net/2241/88540
http://hdl.handle.net/2241/885409035393b-c8e9-40c7-b169-4fc81510b40f
名前 / ファイル | ライセンス | アクション |
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PRD_53-11.pdf (460.5 kB)
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Item type | Journal Article(1) | |||||
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公開日 | 2007-04-02 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Hadron masses and decay constants with Wilson quarks at β=5.85 and 6.0 | |||||
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 |
岩崎, 洋一
× 岩崎, 洋一× Kanaya, K.× Yoshie, T.× Hoshino, T.× Shirakawa, T.× Oyanagi, Y.× Ichii, S.× Kawai, T. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We present results of a high statistics calculation of hadron masses and meson decay constants in the quenched approximation to lattice QCD with Wilson quarks at β=5.85 and 6.0 on 24^3×54 lattices. We analyze the data paying attention in particular to the systematic errors due to the choice of fitting range and due to the contamination from excited states. We find that the systematic errors for the hadron masses with quarks lighter than the strange quark amount to 1 to 2 times the statistical errors. When the lattice scale is fixed from the ρ meson mass, the masses of the Ω- baryon and the φ meson at two β's agree with experiment within about one standard deviation. On the other hand, the central value of the nucleon mass at β=6.0 (5.85) is larger than its experimental value by about 15% (20%) and that of the Δ mass by about 15% (4%): Even when the systematic errors are included, the baryon masses at β=6.0 do not agree with experiment. Vector meson decay constants at two values of β agree well with each other and are consistent with experiment for a wide range of the quark mass, when we use current renormalization constants determined nonperturbatively by numerical simulations. The pion decay constant agrees with experiment albeit with large errors. Results for the masses of excited states of the ρ meson and the nucleon are also presented. | |||||
言語 | en | |||||
書誌情報 |
en : Physical review D 巻 53, 号 11, p. 6443-6464, 発行日 1996-06 |
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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 | |||||
PubMed番号 | ||||||
識別子タイプ | PMID | |||||
関連識別子 | 10019929 | |||||
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.53.6443 | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | (c)1996 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/2241/88540 | |||||
識別子タイプ | HDL |