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
The in-plane and out-of-plane emissions of light charged particles and intermediate mass fragments were measured for ^(40)Ar+^(159)Tb collisions at 30 MeV/nucleon.An in-plane enhancement was observed for mid-rapidity ...The in-plane and out-of-plane emissions of light charged particles and intermediate mass fragments were measured for ^(40)Ar+^(159)Tb collisions at 30 MeV/nucleon.An in-plane enhancement was observed for mid-rapidity light particles and fragments,indicating that a rotational effect exists in this reaction system.This enhancement increased with mass for light particles with Z≤2,but became nearly constant values for fragments with Z≥3.This enhancement was observed to increase strongly with increasing impact parameter.展开更多
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.
基金Supported by the Science Foundation of the Chinese Academy of Sciences。
文摘The in-plane and out-of-plane emissions of light charged particles and intermediate mass fragments were measured for ^(40)Ar+^(159)Tb collisions at 30 MeV/nucleon.An in-plane enhancement was observed for mid-rapidity light particles and fragments,indicating that a rotational effect exists in this reaction system.This enhancement increased with mass for light particles with Z≤2,but became nearly constant values for fragments with Z≥3.This enhancement was observed to increase strongly with increasing impact parameter.
