正则热力学模型的扩展:包含超核
Extending the canonical thermodynamic model: inclusion of hypernuclei
摘要:
正则热力学模型经常被用来描述由中子和质子组成的热核物质的分解。这种物质是在中能重离子碰撞中形成的。在这里,我们扩展的方法,包括,除了中子和质子,λ粒子。这使我们能够包括在中能重离子碰撞中超核的产生。我们可以很容易地预测产生的超核的平均质量数和不同超核的相对截面值。在这个阶段还没有尝试计算绝对横截面,因此需要进行更详细的工作。
英文摘要:
The canonical thermodynamic model has been used frequently to describe the disassembly of hot nuclear matter consisting of neutrons and protons. Such matter is formed in intermediate energy heavy ion collisions. Here we extend the method to include, in addition to neutrons and protons, lambda particles. This allows us to include productions of hypernuclei in intermediate energy heavy ion collisions. We can easily predict average mass number of hypernuclei produced and values of relative cross-sections of different hypernuclei. Computation of absolute cross-section was not attempted at this stage and will require much more detailed work.
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