Ve systematically study the decay properties of the K-shell excited F-like ions with 10≤Z≤36 based on the multiconfiguration Dirac-Fock method.The Breit interaction,the QED corrections and the nuclear finite mass ef...Ve systematically study the decay properties of the K-shell excited F-like ions with 10≤Z≤36 based on the multiconfiguration Dirac-Fock method.The Breit interaction,the QED corrections and the nuclear finite mass effects are also considered as perturbation.Auger transition rates,radiative,Auger and natural widths,as well as fluorescence and Auger yields for K-shell excited F-like ions are presented.It is shown by means of concrete figures that the decay properties change significantly with the increase of the atomic number Z;the Auger rate is overtaken at Z =30 by the radiative decay rate.Several fitting formulae for the radiative and Auger widths and the fluorescence yields have been evaluated which is expected to be useful in plasma analysis and plasma modeling.展开更多
Detailed theoretical calculations are performed for the 4f and 5p inner-shell excitations of W-W^(3+) ions using the multiconfiguration Hartree–Fock method in order to better understand the origin of the XUV photoabs...Detailed theoretical calculations are performed for the 4f and 5p inner-shell excitations of W-W^(3+) ions using the multiconfiguration Hartree–Fock method in order to better understand the origin of the XUV photoabsorption spectra of W atoms from the dual laser-produced plasma experiment(Costello et al.J.Phys.B 24(1991)5063 and the spectra of photon-induced single ionization of W^(q+) ions(q=1,2,3)(Müller et al.Phys.Scr.T1441(2011)014052)from photon-ions merged beam experiments,respectively.Two broad and strong resonances in the experimental spectra have also been theoretically identified mainly from 5p–5d resonance.The 4f–5d,6d and 5p–6d transitions also make a small contribution to each spectrum,which are superimposed on the 5p–5d transition arrays.Based on the assumption of a normalized Boltzmann distribution among the excited states,we succeed in reproducing spectra which are in good agreement with experiments.展开更多
基金Supported by the National Natural Science Foundation of China under Grant Nos 91126007,10964010 and 11064012.
文摘Ve systematically study the decay properties of the K-shell excited F-like ions with 10≤Z≤36 based on the multiconfiguration Dirac-Fock method.The Breit interaction,the QED corrections and the nuclear finite mass effects are also considered as perturbation.Auger transition rates,radiative,Auger and natural widths,as well as fluorescence and Auger yields for K-shell excited F-like ions are presented.It is shown by means of concrete figures that the decay properties change significantly with the increase of the atomic number Z;the Auger rate is overtaken at Z =30 by the radiative decay rate.Several fitting formulae for the radiative and Auger widths and the fluorescence yields have been evaluated which is expected to be useful in plasma analysis and plasma modeling.
基金Supported by the National Natural Science Foundation of China under Grant Nos 10875017,10876028,11064012,10964010,91126007.
文摘Detailed theoretical calculations are performed for the 4f and 5p inner-shell excitations of W-W^(3+) ions using the multiconfiguration Hartree–Fock method in order to better understand the origin of the XUV photoabsorption spectra of W atoms from the dual laser-produced plasma experiment(Costello et al.J.Phys.B 24(1991)5063 and the spectra of photon-induced single ionization of W^(q+) ions(q=1,2,3)(Müller et al.Phys.Scr.T1441(2011)014052)from photon-ions merged beam experiments,respectively.Two broad and strong resonances in the experimental spectra have also been theoretically identified mainly from 5p–5d resonance.The 4f–5d,6d and 5p–6d transitions also make a small contribution to each spectrum,which are superimposed on the 5p–5d transition arrays.Based on the assumption of a normalized Boltzmann distribution among the excited states,we succeed in reproducing spectra which are in good agreement with experiments.
