简单介绍了兰州-北京-吉森合作组对合成超重核的重离子反应进行的初步研究.研究的重点是熔合阶段的反应机制.在原有双核模型的基础上做了一些改进,把耗散相对运动过程与核子转移过程耦合起来,从更微观的角度来描写双核系统向全熔合复合核的演化.在双核过程中的每一步求解主方程,不对驱动势做谐振子近似.同时,还探讨了原子核形变与相对取向对驱动势的影响,存活几率与复合核蒸发中子的奇偶效应,以及入射道中原子核非弹性激发对俘获截面的影响等.
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