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alpha alpha(2)(s) corrections to the first moment of the polarized virtual photon structure function g(1)(gamma)(x, Q(2), P-2)
http://hdl.handle.net/10131/1308
http://hdl.handle.net/10131/1308773825a3-ac84-4abc-8c68-687f72abccd3
名前 / ファイル | ライセンス | アクション |
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PRD7309.pdf (232.1 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2007-08-09 | |||||
タイトル | ||||||
タイトル | alpha alpha(2)(s) corrections to the first moment of the polarized virtual photon structure function g(1)(gamma)(x, Q(2), P-2) | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Sasaki, Ken
× Sasaki, Ken× Ueda, T.× Uematsu, T. |
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著者(ヨミ) | ||||||
識別子Scheme | WEKO | |||||
識別子 | 15855 | |||||
姓名 | ササキ, ケン | |||||
著者別名 | ||||||
識別子Scheme | WEKO | |||||
識別子 | 15856 | |||||
姓名 | 佐々木, 賢 | |||||
著者所属 | ||||||
Yokohama Natl Univ, Fac Engn, Dept Phys, Yokohama, Kanagawa 2408501, Japan | ||||||
著者所属 | ||||||
Kyoto Univ, Grad Sch Sci, Dept Phys, Kyoto 6068501, Japan | ||||||
著者所属 | ||||||
横浜国立大学大学院工学研究院知的構造の創生部門物理科学と知の創造分野 | ||||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We present the next-to-next-to-leading order (alpha alpha(2)(s)) corrections to the first moment of the polarized virtual photon structure function g(1)(gamma)(x,Q(2),P-2) in the kinematical region Lambda P-2 <<(2)<< Q(2), where -Q(2)(-P-2) is the mass squared of the probe (target) photon and Lambda is the QCD scale parameter. In order to evaluate the three-loop-level photon matrix element of the flavor singlet axial current, we resort to the Adler-Bardeen theorem for the axial anomaly and we calculate in effect the two-loop diagrams for the photon matrix element of the gluon operator. The alpha alpha(2)(s) corrections are found to be about 3% of the sum of the leading order (alpha) and the next-to-leading order (alpha alpha(s)) contributions, when Q(2)=30 similar to 100 GeV2 and P-2=3 GeV2, and the number of active quark flavors n(f) is three to five. | |||||
書誌情報 |
Physical Review D 巻 73, 号 9, p. 094024, 発行日 2006-05 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 15507998 | |||||
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 | 10.1103/PhysRevD.73.094024 | |||||
権利 | ||||||
権利情報 | Copyright (2006) by the American Physical Society. | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
出版者 | American Physical Society |