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Precise determination of BK and light quark masses in quenched domain-wall QCD
http://hdl.handle.net/2241/101311
http://hdl.handle.net/2241/101311e516d7b5-4780-4364-a846-06ac86fe9b5d
名前 / ファイル | ライセンス | アクション |
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PRD_78-3.pdf (1.6 MB)
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Item type | Journal Article(1) | |||||
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公開日 | 2009-01-20 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Precise determination of BK and light quark masses in quenched domain-wall 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 |
Nakamura, Yousuke
× Nakamura, Yousuke× Aoki, Sinya× Taniguchi, Yusuke× Yoshie´, Tomoteru |
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著者別名 |
青木, 愼也
× 青木, 愼也× 谷口, 裕介× 吉江, 友照 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We calculate nonperturbative renormalization factors at hadronic scale for DeltaS=2 four-quark operators in quenched domain-wall QCD using the Schrodinger functional method. Combining them with the nonperturbative renormalization group running by the Alpha Collaboration, our result yields the fully nonperturbative renormalization factor, which converts the lattice bare BK to the renormalization group invariant (RGI) B^K. Applying this to the bare BK previously obtained by the CP-PACS Collaboration at a-1~=2,3,4 GeV, we obtain B^K=0.782(5)(7) [equivalent to BK[overline MS](NDR,2 GeV)=0.565(4)(5) by two-loop running] in the continuum limit, where the first error is statistical and the second is systematic due to the continuum extrapolation. Except the quenching error, the total error we have achieved is less than 2%, which is much smaller than the previous ones. Taking the same procedure, we obtain mu,dRGI=5.613(66) MeV and msRGI=147.1(17) MeV [equivalent to mu,d[overline MS](2 GeV)=4.026(48) MeV and ms[overline MS](2 GeV)=105.6(12) MeV by four-loop running] in the continuum limit. | |||||
言語 | en | |||||
書誌情報 |
en : Physical review D 巻 78, 号 3, p. 034502, 発行日 2008-08 |
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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.78.034502 | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | c 2008 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 | The American Physical Society | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2241/101311 | |||||
識別子タイプ | HDL |