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Clusters and Covalently Bound Nuclear molecules

机译:簇和共价结合的核分子

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摘要

Nuclear clustering based on α particles and strongly bound substructures with N = Z has been studied for many decades. Of particular interest are excited states close to the decay thresholds into substructures, as described by the Ikeda diagram. This diagram can be extended to neutron-rich nuclei; in these cases strongly deformed isomeric states consisting of clusters and loosely bound neutrons will appear. A possible approach to describe these states is to use explicitly molecular concepts, with neutrons in covalent binding orbits. Examples for molecular structure in beryllium isotopes and in other neutron-rich light nuclei (carbon and neon) are discussed.
机译:数十年来,已经研究了基于α粒子和N = Z的强结合子结构的核簇。如池田图所描述的,特别令人感兴趣的是接近衰减阈值进入子结构的激发态。该图可以扩展到富中子核。在这些情况下,将出现由团簇和松散结合的中子组成的强烈变形的异构态。描述这些状态的一种可能方法是明确使用分子概念,将中子置于共价结合轨道中。讨论了铍同位素和其他富中子的轻核(碳和氖)中分子结构的例子。

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