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Possible solution to the Li-7 problem by the long lived stau
https://sucra.repo.nii.ac.jp/records/13120
https://sucra.repo.nii.ac.jp/records/13120efd8d0b4-0342-47ee-83a9-2fb53a05d79c
名前 / ファイル | ライセンス | アクション |
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A1002426.pdf (323.6 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2008-02-05 | |||||
タイトル | ||||||
タイトル | Possible solution to the Li-7 problem by the long lived stau | |||||
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× Shimomura, Takashi× Yamanaka, Masato |
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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, Joe | ||||||
著者 ローマ字 | ||||||
Shimomura, Takashi | ||||||
著者 ローマ字 | ||||||
Yamanaka, Masato | ||||||
著者 所属 | ||||||
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) | ||||||
著者 所属(別言語) | ||||||
著者 所属(別言語) | ||||||
Graduate School of Science and Engineering, Saitama University | ||||||
著者 所属(別言語) | ||||||
Graduate School of Science and Engineering, Saitama University | ||||||
書誌情報 |
PHYSICAL REVIEW D 巻 76, 号 12, p. 125023-1-125023-7, 発行日 2007 |
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年月次 | ||||||
2007-12 | ||||||
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 | 15507998 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Modification of standard big-bang nucleosynthesis is considered in the minimal supersymmetric standard model to resolve the excessive theoretical prediction of the abundance of primordial lithium 7. We focus on the stau as a next-lightest superparticle, which is long lived due to its small mass difference with the lightest superparticle. It provides a number of additional decay processes of Li-7 and Be-7. A particularly important process is the internal conversion in the stau-nucleus bound state, which destroys the Li-7 and Be-7 effectively. We show that the modification can lead to a prediction consistent with the observed abundance of Li-7. | |||||
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 | 2008-02-05 | |||||
日付タイプ | Created | |||||
アイテムID | ||||||
A1002426 |