利用实验测量和Monte Carlo模拟的方法,研究了RIBLL的传输效率。分析了影响传输效率的主要因素,发现碎片的动量分布形式对传输效率的模拟结果有重要的影响。另外通过比较,发现大部分碎片传输效率的模拟结果稍大于实验测量结果,两者最大相差约几十倍,这可以帮助估算次级束流强度,指导实验设计。 Using the experimental measurement and Monte Carlo simulation method, the transmission efficiency of RIBLL was studied. The main factors influencing transmission efficiency are analyzed. It is found that the form of momentum distribution of fragments has an important influence on the simulation results of transmission efficiency. In addition, it is found that the simulation results of transmission efficiency of most debris are slightly larger than the experimental results. The maximum difference between them is several tens of times, which can help to estimate the secondary beam intensity and guide the experimental design.