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Stau relic density at the Big-Bang nucleosynthesis era consistent with the abundance of the light element nuclei in the coannihilation scenario.
https://sucra.repo.nii.ac.jp/records/13773
https://sucra.repo.nii.ac.jp/records/13773a32061b2-f73d-4b1d-9b60-bddc26cfa1e6
名前 / ファイル | ライセンス | アクション |
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A1003473.pdf (249.9 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2010-03-02 | |||||
タイトル | ||||||
タイトル | Stau relic density at the Big-Bang nucleosynthesis era consistent with the abundance of the light element nuclei in the coannihilation scenario. | |||||
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 |
Jittoh, Toshifumi
× Jittoh, Toshifumi× Kohri, Kazunori× 小池, 正史× 佐藤, 丈 |
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著者 ローマ字 | ||||||
Jittoh, Toshifumi | ||||||
著者 ローマ字 | ||||||
Kohri, Kazunori | ||||||
著者 ローマ字 | ||||||
Koike, Masafumi | ||||||
著者 ローマ字 | ||||||
Sato, Jo | ||||||
著者 ローマ字 | ||||||
Shimomura, Takashi | ||||||
著者 ローマ字 | ||||||
Yamanaka, Masato | ||||||
著者 所属 | ||||||
埼玉大学大学院理工学研究科物質科学部門 | ||||||
著者 所属 | ||||||
著者 所属 | ||||||
埼玉大学大学院理工学研究科物質科学部門 | ||||||
著者 所属 | ||||||
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) | ||||||
Department of Physics, Saitama University | ||||||
著者 所属(別言語) | ||||||
Physics Department, Lancaster University | ||||||
著者 所属(別言語) | ||||||
Department of Physics, Saitama University | ||||||
著者 所属(別言語) | ||||||
Department of Physics, Saitama University | ||||||
著者 所属(別言語) | ||||||
Departament de Fisica Theorica and IFIC, Universitat de V alencia-CSIC | ||||||
著者 所属(別言語) | ||||||
Institute for Cosmic Ray Research, University of Tokyo | ||||||
書誌情報 | p. 1-9, 発行日 2010 | |||||
年月次 | ||||||
2010-1 | ||||||
識別番号 その他 | ||||||
内容記述タイプ | Other | |||||
内容記述 | arXiv:1001.1217v2 [hep-ph] | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We calculate the relic density of stau at the beginning of the Big-Bang Nucleosynthesis (BBN) era in the coannihilation scenario of minimal supersymmetric standard model (MSSM). In this scenario, stau can be long-lived and form bound states with nuclei. We put constraints on the parameter space of MSSM by connecting the calculation of the relic density of stau to the observation of the light elements abundance, which strongly depends on the relic density of stau. Consistency between the theoretical prediction and the observational result, both of the dark matter abundance and the light elements abundance, requires the mass difference between the lighter stau and the lightest neutralino to be around 100MeV, the stau mass to be 300 -- 400 GeV, and the mixing angle of the left and right-handed staus to be $sintheta_{tau} = (0.65 textrm{--} 1)$. | |||||
版 | ||||||
[著者版] | ||||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
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 | 2010-03-02 | |||||
日付タイプ | Created | |||||
アイテムID | ||||||
A1003473 |