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Title: Electron impact excitation cross sections in F-like selenium
Authors: Guo-Xin, C. 
Ong, P.P. 
Issue Date: Sep-1998
Citation: Guo-Xin, C.,Ong, P.P. (1998-09). Electron impact excitation cross sections in F-like selenium. Atomic Data and Nuclear Data Tables 70 (1) : 93-117. ScholarBank@NUS Repository.
Abstract: Cross sections for excitation induced by electron collision between low-lying 1s22s22p5and 1s22s2p6states of F-like selenium and from these states to singly excited states with the excited electron occupying theMshell have been calculated by relativistic distorted-wave Born procedures. The GRASP2code was used for the atomic structure calculations. The continuum orbitals for the construction of continuum states were computed in the distorted-wave approximation, in which the distorted-wave potential used was the spherically averaged potential of the nucleus plus the potential of the bound electrons of the bound state. The cross sections for excitations were computed first by a 133-level multiconfiguration Dirac-Fock (MCDF) configuration expansion and then by a 279-level MCDF configuration expansion. The latter procedure, which also took into account contributions from all the participating singly excitedN-shell states, was found to be necessary for improved accuracy. The cross section data should be a useful reference in the development of x-ray lasers and other related fields involving highly stripped ions. © 1998 Academic Press.
Source Title: Atomic Data and Nuclear Data Tables
ISSN: 0092640X
DOI: 10.1006/adnd.1998.0787
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