Title

Calculation of rate constants for vibrational and rotational excitation of the H+(3) ion by electron impact

Authors

Authors

V. Kokoouline; A. Faure; J. Tennyson;C. H. Greene

Comments

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Abbreviated Journal Title

Mon. Not. Roy. Astron. Soc.

Keywords

molecular data; molecular processes; plasmas; ISM: molecules; RYDBERG STATE DYNAMICS; QUANTUM-DEFECT THEORY; DISSOCIATIVE; RECOMBINATION; ROVIBRATIONAL TRANSITIONS; INTERSTELLAR H-3(+); MOLECULAR-IONS; H-3+; SPECTROSCOPY; ATMOSPHERE; COLLISIONS; Astronomy & Astrophysics

Abstract

We present theoretical thermally averaged rate constants for vibrational and rotational (de-)excitation of the H+(3) ion by electron impact. The constants are calculated using the multichannel quantum-defect approach. The calculation includes processes that involve a change |delta J| < 2 in the rotational angular momentum J of H+(3). The rate constants are calculated for states with J < 5 for rotational transitions of the H+(3) ground vibrational level. The thermal rates for transitions among the lowest eight vibrational levels are also presented, averaged over the rotational structure of the vibrational levels. The conditions for producing non-thermal rotational and vibrational distributions of H+(3) in astrophysical environments are discussed.

Journal Title

Monthly Notices of the Royal Astronomical Society

Volume

405

Issue/Number

2

Publication Date

1-1-2010

Document Type

Article

Language

English

First Page

1195

Last Page

1202

WOS Identifier

WOS:000278677800034

ISSN

0035-8711

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