The single-electron detachment cross sections of Cu^(-) in collision with He have been measured in the range of 10-30keV by a growth rate method. The typical value of the cross section is 7.63×10-16 cm^(2) at an ...The single-electron detachment cross sections of Cu^(-) in collision with He have been measured in the range of 10-30keV by a growth rate method. The typical value of the cross section is 7.63×10-16 cm^(2) at an energy of 20 keV. The experimental uncertainty of the results is about ±8%.展开更多
基金Supported by the National Natural Science Foundation of China under Grant No.19874015。
文摘The single-electron detachment cross sections of Cu^(-) in collision with He have been measured in the range of 10-30keV by a growth rate method. The typical value of the cross section is 7.63×10-16 cm^(2) at an energy of 20 keV. The experimental uncertainty of the results is about ±8%.