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题名: Breathing-like excited state of the Hoyle state in C-12
作者: Zhou, B ;  Tohsaki, A ;  Horiuchi, H ;  Ren, ZZ
刊名: PHYSICAL REVIEW C
出版日期: 2016
卷号: 94, 期号:4, 页码:44319
学科分类: Physics
DOI: http://dx.doi.org/10.1103/PhysRevC.94.044319
通讯作者: Zhou, B (reprint author), Hokkaido Univ, Inst Int Collaborat, Sapporo, Hokkaido 0600815, Japan. ;  Zhou, B (reprint author), Hokkaido Univ, Fac Sci, Sapporo, Hokkaido 0600810, Japan.
文章类型: Article
英文摘要: The existence of the 0(3)(+) and 0(4)(+) states around 10 MeV excitation energy in C-12 is confirmed by a fully microscopic 3 alpha cluster model. Firstly, a generator coordinate method (GCM) calculation is performed by superposing optimized 2 alpha + alpha Tohsaki-Horiuchi-Schuck-Ropke (THSR) wave functions with the radius-constraint method. The obtained two excited 0(+) states above the Hoyle state are consistent with the recently observed states by experiment. Secondly, a variational calculation using the single 2 alpha + alpha THSR wave function orthogonalized to the ground and Hoyle states is made and it also supports the existence of the 0(3)(+) state obtained by the GCM calculation. The analysis of the obtained 0(3)(+) state is made by studying its 2 alpha-alpha reduced width amplitude, its 2 alpha correlation function, and the large monopole matrix element between this state and the Hoyle state, which shows that this 0(3)(+) state is a breathing-like excited state of the Hoyle state. This character of the 0(3)(+) state is very different from the 0(4)(+) state which seems to have a bent-arm 3 alpha structure.
类目[WOS]: Physics, Nuclear
关键词[WOS]: RESONANCES
收录类别: SCI
项目资助者: National Natural Science Foundation of China [11535004, 11375086, 11120101005] ;  JSPS KAKENHI [16K05351]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21504
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Zhou, B,Tohsaki, A,Horiuchi, H,et al. Breathing-like excited state of the Hoyle state in C-12[J]. PHYSICAL REVIEW C,2016,94(4):44319.
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