Direct radiative recombination of electrons with atomic ions Cross sections and rate coefficients

Details Direct radiative recombination of electrons with atomic ions Cross sections and rate coefficients Direct radiative recombination of electrons with atomic ions Cross sections and rate coefficients

Jun 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983phrva..27.2913k&link_type=abstract

Physical Review A - General Physics, 3rd Series (ISSN 0556-2791), vol. 27, June 1983, p. 2913-2924. NSF-supported research.

Physics

General Physics

61

Atomic Recombination, Cross Sections, Electron-Ion Recombination, Radiative Recombination, Recombination Coefficient, Tokamak Devices, Bremsstrahlung, Electron Energy, Energy Dissipation, Kinetic Energy, Maxwell-Boltzmann Density Function, Reaction Kinetics, Toroidal Plasmas

Scientific paper

Scaling laws for direct radiative recombination (DRR) cross sections are found which allow the computation and characterization of rate coefficients for DRR of fast electrons with atomic ions of various ionic species. A general overview of the problem is given, and the study of DRR cross sections is extended to Fe and W. These data are used to examine scaling properties of the total cross sections considered as functions of the nuclear charge, ionic charge, incident kinetic energy, and the electron configuration of the initial ion. Using the scaling properties of this formula, the radiative recombination rate and the rate of loss of electron kinetic energy due to the recombination process are obtained. A method to calculate the radiated power rate with these procedures is described, and the validity of the power loss rate estimates for tokamak plasmas is discussed.

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