High-resolution collinear fast-ion-beam-laser spectroscopy has been applied to investigate the optical isotope shifts for transition 4f^(4)5d^(6)K_(11/2)-(24445)°_(11/2) of NdⅡ.From the measured optical isotope ...High-resolution collinear fast-ion-beam-laser spectroscopy has been applied to investigate the optical isotope shifts for transition 4f^(4)5d^(6)K_(11/2)-(24445)°_(11/2) of NdⅡ.From the measured optical isotope shifts,changes in mean-square nuclear charge radiiδ(r^(2))(fm^(2))among five even-even neodymium isotopes have been deduced:(142,144)0.282,(144,146)0.242,(146,148)0.274,(148,150)0.404.The results are in good agreement with experimental data from electronic x-ray spectroscopy and combined optical and x-ray spectroscopy.展开更多
Atomic spectra of singly ionized neodymium have been measured by collinear fast-ion-beam laser spectroscopy.The resonant spectra in the lines of 568.9,570.8,572.7,and 574.1 nm in NdH were obtained and the optical shif...Atomic spectra of singly ionized neodymium have been measured by collinear fast-ion-beam laser spectroscopy.The resonant spectra in the lines of 568.9,570.8,572.7,and 574.1 nm in NdH were obtained and the optical shifts were determined.We obtained the optical shifts of all the five even isotopes(142-150)in Nd IL The accuracy of our results was improved by one order of magnitude compared with other published results.展开更多
基金Supported by the National Climbing Project of Chinathe National Natural Science Foundation of China under Grant No.19774016the Doctoral Research Funds of the State Education Commission of China under Grant No.9424626。
文摘High-resolution collinear fast-ion-beam-laser spectroscopy has been applied to investigate the optical isotope shifts for transition 4f^(4)5d^(6)K_(11/2)-(24445)°_(11/2) of NdⅡ.From the measured optical isotope shifts,changes in mean-square nuclear charge radiiδ(r^(2))(fm^(2))among five even-even neodymium isotopes have been deduced:(142,144)0.282,(144,146)0.242,(146,148)0.274,(148,150)0.404.The results are in good agreement with experimental data from electronic x-ray spectroscopy and combined optical and x-ray spectroscopy.
基金Supported by the National Natural Science Foundation of China under Grant No.19774016.
文摘Atomic spectra of singly ionized neodymium have been measured by collinear fast-ion-beam laser spectroscopy.The resonant spectra in the lines of 568.9,570.8,572.7,and 574.1 nm in NdH were obtained and the optical shifts were determined.We obtained the optical shifts of all the five even isotopes(142-150)in Nd IL The accuracy of our results was improved by one order of magnitude compared with other published results.
