【摘要】 用阈探测器中子活化法测量了５０ＭｅＶ／ｕ(１８)离子轰击Ｂｅ、Ｃｕ、Ａｕ厚靶出射中子的注量率分布，并利用中子注量率对剂量当量率的转换因子，得到了重离子实验靶区的中子剂量当量率分布。更多还原

【Abstract】 Fluence rate distributions of neutrons emitted from intermediate energyreactions of 50MeV/u~12C-ion on thick Be, Cu and An targets have been measuredwith the threshold detectors. The neutron dose equivalent rate distributions in theheavy ion accelerator target area were obtained by using the conversion factors forneutron fluence rate to neutron dose equivalent rate.更多还原