摘要
用实验粒子多次通过位垒的方法计算重核熔合与裂变过程中的熔合几率和裂变速率 ,结果发现位垒附近存在着一种强烈的回流现象 .研究还表明当鞍点后势变得平滑 ,则回流变大 .这种效应降低了以往所用的实验粒子首次通过位垒方法得到的熔合几率和裂变速率 。
The passing probability of nuclear fusion and the fission rate at the saddle point is calculated by an improved scheme with test particle muti passing over the saddle point,where a strong back streaming effect around the saddle is found and considered.It is also found that the back streaming becomes stronger if the post saddle barrier gets smoother.Fusion probability and fission rate,which are simulated usually via test particle first passing over the saddle model,are decreased by the back streaming effect.
出处
《高能物理与核物理》
CSCD
北大核心
2004年第8期854-858,共5页
High Energy Physics and Nuclear Physics
基金
国家自然科学基金 (10 0 75 0 0 7
10 2 3 5 0 2 0 )
教育部跨世纪优秀人才项目资助~~
