Workshop on Astrophysical Opacities

Radiative association of $^{36}$Ar$^{+}$ and $^{38}$Ar$^{+}$ with hydrogen

Not scheduled

1d

Fetzer Center, Putney Auditorium (Western Michigan University Kalamazoo, MI, USA)

Poster presentations Molecular Opacities

Speaker

Dr Moncef Bouledroua (Département de Médecine and Laboratoire de Physique des Rayonnements, Badji Mokhtar University, Annaba, Algeria)

Description

In a recent paper [Barlow *et al.*, Science **342,** 1343 (2013)], the ArH$^{+}$ ionic system has been detected in the Crab Nebula. We accordingly propose to examine in this work the radiative association of the argon ions $^{36}$Ar$^{+}$ and $^{38}$Ar$^{+}$ with atomic hydrogen and calculate the related temperature-dependent rate coefficients. To do so, we have to construct the transition dipole moments and the potential-energy curves via which both Ar$^{+}$ and H species approach each other. The corresponding data points are borrowed from the most recent and reliable calculations of Stolyarov and Child [PCCP **7,** 2259 (2005)]. Once the curves are constructed, the rate coefficients are computed quantum mechanically and analyzed in the temperature range $1-10000$ K.