Effects of symmetry energy and effective k-mass splitting on central Ru-96(Zr-96)+Zr-96(Ru-96) collisions at 50 to 400 MeV/nucleon
Effects of symmetry energy and effective k-mass splitting on central Ru-96(Zr-96)+Zr-96(Ru-96) collisions at 50 to 400 MeV/nucleon
复制标题
对称能和有效 k 质量分裂对 50 至 400 MeV/核子中心 Ru-96(Zr-96) Zr-96(Ru-96) 碰撞的影响
DOI：
10.1103/physrevc.96.024601
复制
发表时间：
2017
影响因子：
3.1
通讯作者：
Zhang Feng-Shou
中科院分区：
文献类型：
--
作者：
Su Jun;Zhu Long;Huang Ching-Yuan;Xie Wen-Jie;Zhang Feng-Shou
本文采用与同位旋相关的量子分子动力学模型，结合统计衰变程序gemini，研究了50 - 400 MeV/核子中心碰撞中弹靶间的同位旋混合.四组参数，这提供了不同的对称性能量和有效质量分裂的密度依赖性，应用在模型中。在相同的有效质量劈裂下，计算表明软对称能比硬对称能更容易发生同位旋混合。在相似的对称能范围内的计算表明，在~（10）C时，同位旋混合更可能发生。随着入射能量的增加，有效质量分裂对同位旋混合的影响逐渐增强，而对称能对同位旋混合的影响在不同入射能量下基本相同。
The isospin mixing between projectile and target in centralcollisions at 50 to 400 MeV/nucleon is investigated within the isospin-dependent quantum molecular dynamics model in combination with the statistical decay codegemini. Four groups of parameters, which provide different density dependences of symmetry energy and effective-mass splitting, are applied in the model. Calculations within the same effective-mass splittings show that the isospin mixing is more likely to take place for soft symmetry energy than hard symmetry energy. Calculations within similar symmetry energies show that the isospin mixing is more likely to take place forthan. Significantly, the effects of effective-mass splitting on the isospin mixing become stronger with increasing incident energies, while those of symmetry energy are similar at different incident energies.