https://doi.org/10.1140/epjd/s10053-024-00847-1
Regular Article - Plasma Physics
Radiative recombination of an electron on two protons: oscillator strengths
1
Faculty of Exact and Natural Sciences, Tbilisi State University, Chavchavadze Avenue 3, 0179, Tbilisi, Georgia
2
School of Science and Technology, University of Georgia, Kostava Str. 77a, 0171, Tbilisi, Georgia
3
Doctoral School, Kutaisi International University, Youth Avenue, 5th Lane, 4600, Kutaisi, Georgia
Received:
30
January
2024
Accepted:
15
April
2024
Published online:
16
May
2024
The hydrogen molecular ion, 
, is considered in the fixed nuclei approximation. The oscillator strengths relevant to free-bound transitions in are presented as asymptotic expansions in an inverse power of the internuclear separation, which is assumed to be large. The asymptotic technique leads to an algebraic representation of the oscillator strengths, contrasting with numerical tables.
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© The Author(s), under exclusive licence to EDP Sciences, SIF and Springer-Verlag GmbH Germany, part of Springer Nature 2024. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
