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Predictions of mb/mt and mt in an asymptotically nonfree theory
https://sucra.repo.nii.ac.jp/records/13173
https://sucra.repo.nii.ac.jp/records/13173b2ef8da4-c78f-48e3-8df8-9ec57d6ca30d
名前 / ファイル | ライセンス | アクション |
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A1002504.pdf (160.2 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2008-03-26 | |||||
タイトル | ||||||
タイトル | Predictions of mb/mt and mt in an asymptotically nonfree theory | |||||
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 |
坂東, 昌子
× 坂東, 昌子× Onogi, Tetsuya× 佐藤, 丈× Takeuchi, Tatsu |
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著者 ローマ字 | ||||||
Bando, Masako | ||||||
著者 ローマ字 | ||||||
Onogi, Tetsuya | ||||||
著者 ローマ字 | ||||||
Sato, Joe | ||||||
著者 ローマ字 | ||||||
Takeuchi, Tatsu | ||||||
著者 所属 | ||||||
愛知大学 | ||||||
著者 所属 | ||||||
著者 所属 | ||||||
東京大学宇宙線研究所(現 : 埼玉大学大学院理工学研究科物質科学部門) | ||||||
著者 所属(別言語) | ||||||
Aichi University | ||||||
著者 所属(別言語) | ||||||
Department of Physics, Hiroshima University | ||||||
著者 所属(別言語) | ||||||
Institute for Cosmic Ray Research, The University of Tokyo(Present : Graduate School of Science and Engineering, Saitama University) | ||||||
著者 所属(別言語) | ||||||
CERN, TH Division | ||||||
書誌情報 |
PHYSICAL REVIEW D 巻 56, 号 3, p. 1589-1597, 発行日 1997 |
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年月次 | ||||||
1997-8 | ||||||
出版者名 | ||||||
出版者 | American Physical Society | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 05562821 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1103/PhysRevD.56.1589 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We discuss an extension of the minimal supersymmetric standard model with five generations of matter superfields. The extra generations are assumed to form a generation-mirror-generation pair (the fourth and antifourth generations) enabling the extra fermions to have SU(2)(L) x U(1)(Y)-invariant masses. Because of the contribution of the extra generations, all three running gauge couplings of SU(3)(C) x SU(2)(L) x U(1)(Y) become asymptotically nonfree while preserving gauge coupling unification at the grand unified theory (GUT) scale. We show that, due to the asymptotically nonfree character of the gauge couplings, (1) the top and bottom Yukawa couplings are strongly focused onto infrared fixed points as they are evolved down in scale making their values at mu = M-Z insensitiveto their initial Values at mu = M-GUT, (2) the model predicts R-b tau(M-Z) = Y-b/Y-tau\mu=MZ approximate to 1.8, which is consistent with the experimental value provided we take the ratio of Yukawa couplings at the GUT scale to be R-b tau(M-GUT) = Y-b/Y-tau\mu=MGUT=1/3, and (3) the t mass prediction comes out to be m(t) approximate to 180 GeV which is also consistent with experiment. | |||||
注記 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Copyright notice(c)1997 American Physical Society. All rights reserved. Publisher's version: http://link.aps.org/abstract/PRD/v56/p1589 |
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版 | ||||||
[出版社版] | ||||||
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 | |||||
資源タイプ | ||||||
内容記述タイプ | Other | |||||
内容記述 | text | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
作成日 | ||||||
日付 | 2008-03-26 | |||||
日付タイプ | Created | |||||
アイテムID | ||||||
A1002504 |