核物质的粒子模型。

Pub Date : 1967-01-01 DOI:10.1143/JPSJ.23.1429

P. Bhattacharya, K. Khanna

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引用次数: 1

摘要

假定无限的核物质是由相等偶数的质子和中子组成的。核物质的表面区域被一个由强的短程排斥和弱的高斯形式的远程吸引组成的势相互作用的α粒子集合所取代。计算了核物质的能隙和粒子的有效质量。结果表明，能量gapΔ大于2 MeV，小于5 MeV。粒子的有效质量m*与自由粒子质量m之比总是大于1，其最大值略大于5。对于稳定的粒子集合，它必须是一个稀释的弱相互作用的集合。净相互作用必须是排斥性的，核密度应小于饱和极限。结果与以前的计算结果进行了比较。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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ALPHA-PARTICLE MODEL FOR NUCLEAR MATTER.

Infinite nuclear matter is assumed to be composed of an equal even number of protons and neutrons. The surface region of nuclear matter is replaced by an assembly of alpha-particles interacting through a potential composed of a strong short-range repulsion and a weak long-range attraction of the Gaussian form. The energy gap in nuclear matter and the effective mass of alpha particles have been calculated. The result shows that the energy gapΔ is more than 2 MeV but ≦5 MeV. The ratio of the effective mass m* to the free particle mass m of alpha-particles is always greater than unity and its maximum value is a little over 5. For an assembly of alpha-particles to be stable, it must be a dilute weakly interacting assembly. The net interaction must be repulsive and the nuclear density should be less than the saturation limit. The results have been compared with previous calculations.

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