Alpha-Clustering and Alpha Condensate in Nuclei
| Project/Area Number |
21540283
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Particle/Nuclear/Cosmic ray/Astro physics
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| Research Institution | Kanto Gakuin University |
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Principal Investigator |
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| Co-Investigator(Renkei-kenkyūsha) |
FUNAKI Yasuro 理化学研究所, ストレンジネス核物理研究室, 協力研究員 (00435679)
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| Project Period (FY) |
2009 – 2011
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| Project Status |
Completed (Fiscal Year 2011)
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| Budget Amount *help |
¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2011: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2010: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2009: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
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| Keywords | クラスター構造 / アルファ凝縮状態 / アイソスカラー型電磁単極子遷移 / アイソスカラー型単極子励起 / 強度関数 / 平均場理論 / Bayman-Bohr定理 / 酸素16核 / 基底状態相関 / クラスターガス状態 / α凝縮的状態 / ホイル類似構造 / クラスター模型 / モノポール遷移強度 / 11Bの3番目の3/2-状態 / 11Bの2番目の1/2+状態 / 13Cの1/2-状態と1/2+状態 / α粒子 / ボーズ凝縮 / α凝縮 / ホイル類似状態 / 一体密度関数 / トライトン |
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| Research Abstract |
Alpha-particle condensate is a novel state in nuclei. The possibility of their existences has been theoretically explored in ^<16> O,^<11> B, and ^<13> C. It was found that they appear around 4alpha, 2alpha+triton, and 3alpha+neutron breakup thresholds, respectively. Isoscalar monopole transition strengths are very useful to search for cluster states in light nuclei, and we have clarified the mechanism of why the cluster states are relatively strongly populated from the mean-field-like ground state through the isoscalr monopole transition.
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Report
(4 results)
Research Products
(84 results)
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[Journal Article] Alpha clustering and condensation in ^<16> O2010
Author(s)
Y. Funaki, T. Yamada, H. Horiuchi, G. Ropke, P. Schuck, and A. Tohsaki
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Journal Title
Proceedings of the International Symposium on Forefronts of Researches in Exotic Nuclear Structures(Niigata2010)
Volume: 25巻
Issue: 21n23
Pages: 1939-1942
DOI
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Peer Reviewed
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[Journal Article] Cluster structures in hypernuclei2010
Author(s)
T.Yamada
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Journal Title
Proceedings of the 12th International Conference on Nuclear Reaction Mechanisms, Varenna, Italy, June 15-19, 2009, Eds., F.Cerutti, A.Ferrari, the CERN Proceedings series
Volume: 1
Pages: 107-114
Related Report
Peer Reviewed
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[Book] 基礎物理2010
Author(s)
杉本徹、山田泰一、伊藤悦朗
Total Pages
213
Publisher
東京教学社
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