Negative parity states of B11 and C11 and the similarity with C12

Negative parity states of B11 and C11 and the similarity with C12
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B11和C11的负宇称状态以及与C12的相似性

DOI:
10.1103/physrevc.75.024302
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发表时间:
2006
期刊:
影响因子:
3.1
通讯作者:
Y. Kanada
Y. Kanada
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Y. Kanada

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The negative parity states of {sup 11}B and {sup 11}C were studied based on the calculations of antisymmetrized molecular dynamics (AMD). The calculations reproduced well the experimental strengths of Gamov-Teller (GT), M1, and monopole transitions. We especially focused on the 3/2{sub 3}{sup -} and 5/2{sub 2}{sup -} states for which GT transition strengths were recently measured. The weak M1 and GT transitions for 3/2{sub 3}{sup -} in {sup 11}B and {sup 11}C are described by a well-developed cluster structure of 2{alpha}+t and 2{alpha}+{sup 3}He, respectively, while the strong transitions for 5/2{sub 2}{sup -} is characterized by an intrinsic spin excitation with no cluster structure. It was found that the 3/2{sub 3}{sup -} state is a dilute cluster state, and its features are similar to those of {sup 12}C(0{sub 2}{sup +}) which is considered to be a gas state of 3{alpha} clusters.
The negative parity states of {sup 11}B and {sup 11}C were studied based on the calculations of antisymmetrized molecular dynamics (AMD). The calculations reproduced well the experimental strengths of Gamov-Teller (GT), M1, and monopole transitions. We especially focused on the 3/2{sub 3}{sup -} and 5/2{sub 2}{sup -} states for which GT transition strengths were recently measured. The weak M1 and GT transitions for 3/2{sub 3}{sup -} in {sup 11}B and {sup 11}C are described by a well-developed cluster structure of 2{alpha}+t and 2{alpha}+{sup 3}He, respectively, while the strong transitions for 5/2{sub 2}{sup -} is characterized by an intrinsic spin excitation with no cluster structure. It was found that the 3/2{sub 3}{sup -} state is a dilute cluster state, and its features are similar to those of {sup 12}C(0{sub 2}{sup +}) which is considered to be a gas state of 3{alpha} clusters.
DOI: 10.1143/ptps.142.205
发表时间: 2001-03
影响因子: --
作者:
Y. Kanada-En’yo;H. Horiuchi
通讯作者: Y. Kanada-En’yo;H. Horiuchi
DOI: --
发表时间: 2004
期刊: Nucl.Phys.A 739
影响因子: --
作者:
H.Matsumura;Y.Suzuki
通讯作者: Y.Suzuki
反对称分子动力学:对原子核结构的新见解
DOI: --
发表时间: 2003
期刊: COMPTES RENDUS PHYSIQUE 4
影响因子: --
作者:
Y.Kanada-En'yo;M.Kimura;H.Horiuchi
通讯作者: H.Horiuchi