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考虑了不同入射能量的质子和中子轰击W、Pb靶 ,利用SHIELD程序系统 ,研究了我国未来可能使用的靶体的辐射损伤截面、原子位移截面和原子位移率 ,并同Wechsler的研究结果进行了比较。同时 ,对 1 6GeV的质子沿中心轴线入射长 60cm、直径 2 0cm厚铅靶在不同部位引起的辐射损伤进行了研究 ,得到合理的结果。
Considering the proton and neutron bombardment of W and Pb targets with different incident energies, the SHIELD program system is used to study the radiation damage cross section, atomic displacement cross section and atomic displacement rate of the target that may be used in China in the future and carry out the same results as Wechsler’s research A In the meantime, the radiation damage caused by the proton of 16GeV along the central axis of 60cm in diameter and the 20cm diameter of lead target in different parts was studied, and the reasonable results were obtained.