An analytical excitation model for an ionizing plasma

J.J.A.M. Mullen, van der, B. Sijde, van der, D.C. Schram

Research output: Contribution to journalArticleAcademicpeer-review

11 Citations (Scopus)


From an analytical model for the population of high-lying excited levels in ionizing plasmas it appears that the distribution is a superposition of the equilibrium (Saha) value and an overpopulation. This overpopulation takes the form of a Maxwell distribution for free electrons. Experiments for He II, Na I and Ar I confirm the general validity of the model.
Original languageEnglish
Pages (from-to)239-242
JournalPhysics Letters A
Issue number5
Publication statusPublished - 1983


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