Electron impact excitation of Ca XX: collision strengths and rate coefficients
- 14 February 1992
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic, Molecular and Optical Physics
- Vol. 25 (3) , 751-771
- https://doi.org/10.1088/0953-4075/25/3/021
Abstract
Collision strengths for all transitions belonging to states up to the n=5 level of Ca XX are calculated in a wide electron energy range below 520 Ryd. These are obtained from the standard R-matrix program for all partial waves with Le=5.0-7.2 K.Keywords
This publication has 11 references indexed in Scilit:
- Electron impact excitation of Ne X: collision strengths and rate coefficientsPhysica Scripta, 1991
- Electron impact excitation of C VI: collision strengths and rate coefficientsJournal of Physics B: Atomic, Molecular and Optical Physics, 1991
- Electron collision strengths for all transitions among the n=1, 2, 3, 4 and 5 levels of He+Journal of Physics B: Atomic, Molecular and Optical Physics, 1991
- Electron collision cross sections at low energies for all transitions between the n=1, 2, 3, 4 and 5 levels of atomic hydrogenJournal of Physics B: Atomic, Molecular and Optical Physics, 1991
- R -matrix theory of electron scattering at intermediate energiesProceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences, 1987
- Collision strengths for the N = 2 excitation of hydrogenic ionsPhysics Letters A, 1983
- Radiative power loss from laboratory and astrophysical plasmas. I. Power loss from plasmas in steady-state ionisation balanceJournal of Physics B: Atomic and Molecular Physics, 1979
- A new version of the general program to calculate atomic continuum processes using the r-matrix methodComputer Physics Communications, 1978
- Radiation from a hot, thin plasma from 1 to 250 AThe Astrophysical Journal Supplement Series, 1976
- Electron scattering by complex atomsJournal of Physics B: Atomic and Molecular Physics, 1971