形变对从氧到钙原子核质心修正能的影响
Deformation effect on the center-of-mass correction energy in nuclei ranging from Oxygen to Calcium
摘要:
微观质心(c.m.)本文用球形变和轴形变的相对论平均场(RMF)模型和有效相互作用PK1系统地计算了从氧核到钙核的修正能。显微镜下的C. M修正能强烈地依赖于同位旋以及形变,并且偏离唯象的修正能。通过与球面RMF计算的比较,详细讨论了变形效应。研究发现,直接和交换条件的c.m.修正能量与原子核的密度分布密切相关,并且在变形的情况下被抑制。
英文摘要:
The microscopic center-of-mass (c.m.) correction energies for nuclei ranging from Oxygen to Calcium are systematically calculated by both spherical and axially deformed relativistic mean-field (RMF) models with the effective interaction PK1. The microscopic c.m. correction energies strongly depend on the isospin as well as deformation and deviate from the phenomenological ones. The deformation effect is discussed in detail by comparing the deformed with the spherical RMF calculation. It is found that the direct and exchange terms of the c.m. correction energies are strongly correlated with the density distribution of nuclei and are suppressed in the deformed case.
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