Dissociative recombination of molecular ions in the He–Ne plasma. Partial rate constants of atoms formation in the 2p53d and 2p54d configurations


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A spectroscopic study of population processes was carried out for states of the neon atom of the 2p53d configuration in the discharge afterglow in helium with a small admixture of neon ([Ne]/[He] ≈ 10–5) at a pressure of 38 Torr. Based on the comparative analysis of time dependences of the spectral line intensities of the Ne I 2p53d → 2p53d and 2p54d → 2p53d transitions and ratio of ion densities [Ne2+ ]/[HeNe+], it has been found that the formation of excited Ne(2p53d) atoms in the afterglow caused by two dissociative recombination processes: HeNe+ + e → Ne(2p53d) + Ne and Ne2+ + e → Ne(2p53d) + Ne. Distributions of population fluxes of the 2p53d levels \(\Gamma _{3{d_t}}^{HeN{e^ + }}\) and \(\Gamma _{3{d_t}}^{Ne_2^ + }\)—were obtained for each of these processes.

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V. Ivanov

St. Petersburg State University

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俄罗斯联邦, St. Petersburg, 198504

A. Petrovskaya

St. Petersburg State University

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俄罗斯联邦, St. Petersburg, 198504

Yu. Skoblo

St. Petersburg State University

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俄罗斯联邦, St. Petersburg, 198504

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