Fusion probability in heavy-ion collisions by a dinuclear-system model
Fusion probability in heavy-ion collisions by a dinuclear-system model
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DOI：
10.1209/epl/i2003-00622-0
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发表时间：
2003-12
期刊：
影响因子：
1.8
通讯作者：
Wenfei Li;N. Wang;J. F. Li;H. Xu;W. Zuo;E. Zhao;Jie Li;W. Scheid
中科院分区：
文献类型：
--
作者：
Wenfei Li;N. Wang;J. F. Li;H. Xu;W. Zuo;E. Zhao;Jie Li;W. Scheid
在重离子碰撞形成的双核系统中，由于扩散过程中包含结构效应的驱动力与质量不对称性不成线性关系，因此通过数值求解主方程来描述两个接触核之间的核子交换。相对运动被处理为与核子交换耦合。在强阻尼反应过程中，类弹核和类靶核之间的质量组合的所有通道都可能打开，并且只有一小部分质量分布几率对超重核的复合核形成有贡献.
In the dinuclear system formed in heavy-ion collisions the nucleon exchange between two touching nuclei is described by solving the Master Equation numerically since the driving force, which contains structure effects, is not linear with mass asymmetry in the diffusion process. The relative motion is treated to couple with the nucleon exchange. All channels of every mass combination between the projectile-like and the target-like may open, and a small fraction of mass distribution probability is found to contribute to the compound nuclear formation of a super heavy nucleus in the very strongly damped reaction process.