On the calculation of superstatistics ionization rates of neutral Hélium

Fadhila Khalfaoui, Samia Dilmi and Abdelmalek Boumali

Physica A: Statistical Mechanics and its Applications, 2022, vol. 596, issue C

Abstract: Electron-impact ionization (EII) can be important in dynamic systems where atoms are suddenly exposed to higher electron temperatures. EII can also have a significant effect on the charge state distribution for plasmas with a non-thermal electron energy distribution. In this paper, we present the effects of hot electrons on the calculation of ionization rates for neutral Helium using superstatistics. We also exchange the distribution function with the effective Boltzmann factor of superstatistics. The ionization rates of neutral Helium are obtained from cross sections obtained by FAC code, are weighted by a non-maxwellian distribution function. The results are compared to those reported by Kato. et. al. We note that non-maxwellian energy distribution for different fractions of hot electrons showed the effects of these rates on the fractions of hot electrons and the forms of ionization rates.

Keywords: Ionization rate; Steady-state plasmas; Boltzmann factor; Superstatistics; Code FAC; Non-maxwellian distribution (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:596:y:2022:i:c:s0378437122001911

DOI: 10.1016/j.physa.2022.127193

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