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Electroweak fermion triangle loop contributions to the muon anomalous magnetic moment revisited
http://hdl.handle.net/10131/00013389
http://hdl.handle.net/10131/00013389ef59bcd2-1c50-40b6-8216-2494070d3be9
名前 / ファイル | ライセンス | アクション |
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PAPER-ptaa099.pdf (162.4 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-09-28 | |||||
タイトル | ||||||
タイトル | Electroweak fermion triangle loop contributions to the muon anomalous magnetic moment revisited | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | B50 Electromagnetic processes and properties, B57 Standard Model, Theoretical Particle Physics | |||||
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 |
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著者所属 | ||||||
Department of Physics, Faculty of Engineering, Yokohama National University | ||||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The contribution to the muon anomalous magnetic moment from the fermion triangle loop diagrams connected to the muon line by a photon and a Z boson is re-analyzed in both the unitary gauge and the ’t Hooft–Feynman gauge. With use of the anomalous axial-vector Ward identity, it is shown that the calculation in the unitary gauge exactly coincides with the one in the ’t Hooft–Feynman gauge. The part which arises from the ordinary axial-vector Ward identity corresponds to the contribution of the neutral Goldstone boson. For the top-quark contribution, the one-parameter integral form is obtained up to the order of m^2_μ/m^2_Z. The results are compared with those obtained by the asymptotic expansion method. | |||||
書誌情報 |
Progress of Theoretical and Experimental Physics 巻 2020, 号 9, p. 093B06, 発行日 2020-09-20 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2050-3911 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1093/ptep/ptaa099 | |||||
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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 | Oxford University Press | |||||
関係URI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1093/ptep/ptaa099 | |||||
関連名称 | https://doi.org/10.1093/ptep/ptaa099 |