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arXiv 2103.05375nucl-th
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~(36)Ar核光谱的总体特征

Gross features of the spectrum of the 36Ar nucleus

Gábor Riczu, József Cseh

摘要:

36 Ar原子核的光谱样本在不同的能量窗口中是已知的。除了基态区(GS)外,还观察到了超形变(SD)态,并且有一个很好的超形变(HD)态的候选者。它们以不同的反应填充。我们打算用统一的方法描述不同能量、形变和反应谱的总体特征。我们应用多组态动力学对称性(MUSY)。从以前的研究中形状异构体的SU(3)量子数为这种描述铺平了道路。MUSY将光谱的总体特征再现到合理的近似值。三个谷(GS,SD,HD)的能谱表明,多构型对称性是有效的一个很好的近似,不同的集群配置共存的形状异构体。

英文摘要:

Samples of the spectrum of the 36Ar nucleus are known in different energy windows. In addition to the ground state region (GS), the superdeformed (SD) state is observed, too, and there is a good candidate for the hyperdeformed (HD) one, as well. They are populated in different reactions. We intend to describe the gross features of the spectra of different energies, deformations and reactions in a unified way. We apply the multiconfigurational dynamical symmetry (MUSY). The SU(3) quantum numbers of the shape isomers from previous studies pave the way for this description. The MUSY reproduces the gross features of the spectra to a reasonable approximation. The energy spectrum of the three valleys (GS, SD, HD) indicates that the multiconfigurational symmetry is valid to a good approximation, and different cluster configurations coexist in the shape isomers.

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