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首页> 外文期刊>Physical review, C >Hoyle-analog state in C-13 studied with antisymmetrized molecular dynamics
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Hoyle-analog state in C-13 studied with antisymmetrized molecular dynamics

机译：C-13中的Hoyle-模拟状态采用防勘测分子动力学研究

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摘要

The cluster states in C-13 are investigated by antisymmetrized molecular dynamics. By investigating the spectroscopic factors, the cluster configurations of the excited states are discussed. It is found that the 1/2(2)(+) state is dominantly composed of the 12C(0(2)(+)) circle times s(1/2) configuration and can be regarded as a Hoyle-analog state. On the other hand, the p-wave states (3/2(-) and 1/2(-)) do not have such structure, because of the coupling with other configurations. The isoscalar monopole and dipole transition strengths from the ground to the excited states are also studied. It is shown that the excited 1/2(-) states have strong isoscalar monopole transition strengths consistent with the observation. On the other hand, the excited 1/2(+) states unexpectedly have weak isoscalar dipole transitions except for the 1/2(1)(+) state. It is discussed that the suppression of the dipole transition is attributed to the property of the dipole operator.
机译：通过防敏化分子动力学研究C-13中的聚类状态。 通过研究光谱因素，讨论了激发态的集群配置。 发现1/2（2）（+）状态由12C（0（2）（+））圆时S（1/2）配置构成，并且可以被视为Hoyle-模拟状态。 另一方面，由于与其他配置的耦合，P波状态（3/2（ - ）和1/2（ - ））没有这种结构。 还研究了从地面到激发态的伊索塔族单极和偶极转变强度。 结果表明，激发的1/2（ - ）态具有与观察结果一致的强烈的isoscalar monopole转变强度。 另一方面，兴奋的1/2（+）状态意外地具有除了1/2（1）（+）状态之外的弱isoscalar偶极转换。 讨论了偶极转换的抑制归因于偶极算子的属性。

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