We report the first experimental investigation of the photoionization cross-sec-tions of singlet excited ststes 3s5s^(1)S and 3s4d^(1)D in atomic magnesium,which can not be directly reached from the ground state.The m...We report the first experimental investigation of the photoionization cross-sec-tions of singlet excited ststes 3s5s^(1)S and 3s4d^(1)D in atomic magnesium,which can not be directly reached from the ground state.The measured absolute values areσ3s5s^(1)S(571.1nm)=(0.27±0.09)Mb andσ3s4d^(1)D(552.8nm)=(2.6±0.9)Mb.Theoretical calculations were given,which are in good agreement with the measured values.展开更多
基金Supported by the Science Foundation of the Chinese Academy of Sciences for Young Scientists。
文摘We report the first experimental investigation of the photoionization cross-sec-tions of singlet excited ststes 3s5s^(1)S and 3s4d^(1)D in atomic magnesium,which can not be directly reached from the ground state.The measured absolute values areσ3s5s^(1)S(571.1nm)=(0.27±0.09)Mb andσ3s4d^(1)D(552.8nm)=(2.6±0.9)Mb.Theoretical calculations were given,which are in good agreement with the measured values.