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高温における巨大共鳴幅の振る舞い(原子核における散逸・拡散・揺らぎの理論,研究会報告)
https://sucra.repo.nii.ac.jp/records/14233
https://sucra.repo.nii.ac.jp/records/1423309644599-5c3b-43cc-84e3-6391d76f9896
名前 / ファイル | ライセンス | アクション |
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A1004265.pdf (369.8 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2010-03-16 | |||||
タイトル | ||||||
タイトル | 高温における巨大共鳴幅の振る舞い(原子核における散逸・拡散・揺らぎの理論,研究会報告) | |||||
言語 | ||||||
言語 | jpn | |||||
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 |
田辺, 孝哉
× 田辺, 孝哉 |
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著者 ローマ字 | ||||||
TANABE, Kosai | ||||||
著者 所属 | ||||||
埼玉大学教養部 | ||||||
著者 所属(別言語) | ||||||
Department of Physics, Saitama University | ||||||
書誌情報 |
素粒子論研究 en : Soryushiron Kenkyu 巻 90, 号 1, p. A42-A48, 発行日 1994 |
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年月次 | ||||||
1994-10 | ||||||
出版者名 | ||||||
出版者 | 素粒子論グループ 素粒子研究編集部 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 03711838 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The physical content of the giant resonance(GR) width is nivestigated based on the fully microscopic theory [i.e. the thermal RPA(TRPA) on top of the thermal HFB(THFB)]. The experimental FWHM is interpreted as the total width obtained by folding both strength distributions with the fragmentation width due to the p-h RPA states, Γ_f, and the spreading width due to the 2p-2h states, Γ^↓. In the high temperature limit, the temperature-dependence of these widths are estimated as Γ_f α(kT)^<-3/2> and Γ^↓ α(kT)^<-3/2>, which indicate that the saturation of the width takes place at moderately high tempetatures before the occurence of the motional narrowing of the GDR width expected at very high temperatures. Usefulness of the microscopic treatment is demonstrated also in the calculation of the anisotropy coefficient of gamma-ray angular distribution from the decay of the GDR built on the hot rotating nucleus. It is stressed that fluctuation of physical quantities can be correctly calculated within the framework of mean field approximation for microscopic theory. | |||||
注記 | ||||||
内容記述タイプ | Other | |||||
内容記述 | rights: 素粒子論グループ 素粒子研究編集部 rights: 本文データは学協会の許諾に基づきCiNiiから複製したものである relation: IsVersionOf:http://ci.nii.ac.jp/naid/110006413333/ |
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その他の言語 | ||||||
言語 | eng | |||||
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 | 2010-03-16 | |||||
日付タイプ | Created | |||||
アイテムID | ||||||
A1004265 |