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Dissociative recombination of BeH+ in the interstellar medium

Published online by Cambridge University Press:  13 February 2013

S. Niyonzima ,
F. Lique ,
K. Chakrabarti ,
Å. Larson ,
A.E. Orel  and
I.F. Schneider
S. Niyonzima
Affiliation:
LOMC-UMR 6294, CNRS-Université du Havre, 76058 Le Havre, France Département de Physique, Faculté des Sciences, Université du Burundi, 2700 Bujumbura-Burundi
F. Lique
Affiliation:
LOMC-UMR 6294, CNRS-Université du Havre, 76058 Le Havre, France
K. Chakrabarti
Affiliation:
LOMC-UMR 6294, CNRS-Université du Havre, 76058 Le Havre, France Dept. of Mathematics, Scottich Church College, 1&3 Urquhart Sq., Kolkata 700006, India
Å. Larson
Affiliation:
Dept. of Physics, Stockholm University, AlbaNova University Center, 106 91 Stockholm, Sweden
A.E. Orel
Affiliation:
Dept. of Chemical Engineering and Materials Science, University of California, Davis, California 95616, USA
I.F. Schneider
Affiliation:
LOMC-UMR 6294, CNRS-Université du Havre, 76058 Le Havre, France

Abstract

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We report a theoretical study of dissociative recombination (DR) of BeH+ by low energy electron impact, using previously computed molecular data as input for a Multichannel Quantum Defect Theory (MQDT) approach. Three electronic symmetries of BeH, 2Π, 2Σ+, and 2Δ have been included in the calculations. We present cross sections and thermal rate coefficients ready to be used in the modelling of the BeH+ abundance in the interstellar medium and stellar atmosphere.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 58: ECLA - European Conference on Laboratory Astrophysics , 2012 , pp. 291 - 294
Copyright
© The Author(s) 2013

References

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