论文标题

PT,HG和PB同位素的形状异构体,$ \ le $ 126

Shape isomers in Pt, Hg and Pb isotopes with N $\le$ 126

论文作者

Pomorski, Krzysztof, Nerlo-Pomorska, Bozena, Dobrowolski, Artur, Bartel, Johann, Petrache, Costel M.

论文摘要

在基于lubloscopic微镜模型中研究了基于lubloscopic微镜模型中的PT,Hg和Pb核的54个均匀同位素的变形 - 能量表面,该模型基于基于lublin-strop-drop-drop-drop-drop-drop-drop宏观能量的巨型显微镜模型,并从Yukawa-foldeed a yukawa-foldeed the yukawa-foldeed earted Attrop巨像型能量和壳体加上壳体式的探测器。一种新的,快速融合的傅里叶形状参数化用于描述核形状。研究了形状异构态在非轴向和高阶变形方面的稳定性。

Deformation-energy surfaces of 54 even-even isotopes of Pt, Hg and Pb nuclei with neutron numbers up to 126 are investigated within a macroscopic-microscopic model based on the Lublin-Strasbourg-Drop macroscopic energy and shell plus pairing-energy corrections obtained from a Yukawa-folded mean-field potential at the desired deformation. A new, rapidly converging Fourier shape parametrization is used to describe nuclear shapes. The stability of shape isomeric states with respect to non-axial and higher-order deformations is investigated.

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