Abstract: TARGET RESIDUES FROM THE INTERACTION OF GOLD WITH 8—24 MeV/NUCLEON 40Ar IONSSun Tongyu Li Wenxin Wu Dingqing Yin Xinmin Zhao Lili Zhang XiangQin Zhi Zheng Jiwen Liu Guoxing Jing Genmin Zhao Zhizheng(Institute of Modern Physics,the Chinese Academy of Sciences,Lanzhou 730000)ABSTRACTThe excitation functions and recoil characteristic of the target fragments have been studied from the interaction of gold with 82，121，162，200 and 242 MeV/nucleon 40Ar ions using nuclear chemical techniques.The possible formation mechanisms for various reaction residues are discussed on the basis of the recoil characteristic.Variation of the cross sections from heavy target residues with energies of 40Ar ions is indicated.Key words γSpectroscopy Excitation function Fission fragment Peripheral collision