Physics
Scientific paper
Aug 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993jqsrt..50..227m&link_type=abstract
Journal of Quantitative Spectroscopy & Radiative Transfer (ISSN 0022-4073), vol. 50, no. 2, p. 227-232.
Physics
3
Atomic Recombination, Charge Transfer, Continuous Radiation, Helium Plasma, Ion Recombination, Radiative Transfer, Atomic Collisions, Electromagnetic Radiation, Emission Spectra, Plasma Temperature
Scientific paper
Radiative recombination and radiative charge exchange in symmetrical He(+) + He collisions are considered using a semiclassical adiabatic model of collisions in low-temperature plasmas. The reaction channels are assumed to be uncoupled, and the corresponding total and partial spectral coefficients for the spontaneous continuous electromagnetic emission are calculated for helium-plasma temperatures below 3 x 10 exp 4 K. The results are compared with the similar spectral densities for electron-ion and electron-atom scattering. It is found that, in a wide range of physical conditions, radiative processes involving ion-atom collisions should be taken into account in the analysis of the continuum radiation from helium plasmas.
Dimitrievic M. S.
Ermolaev A. M.
Mihajlov Anatolij A.
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