3 papers
physics.atm-clus2025
Dissociative recombination of NeH+ with low-energy electrons: Multichannel quantum defect theory including non-adiabatic couplings
Riyad Hassaine, Janos Zsolt Mezei, Dahbia Talbi +2
Theoretical investigation of the dissociative recombination (DR) of NeH+ with low-energy electrons in the regime where the process occurs without direct potential energy curve cros…
astro-ph.IM2025
Electron impact ro-vibrational transitions and dissociative recombination of H2+ and HD+: Rate coefficients and astrophysical implications
Riyad Hassaine, Emerance Djuissi, Nicolina Pop +11
Context. Molecular hydrogen and its cation H+2 are among the first species formed in the early Universe, and play a key role in the thermal and chemical evolution of the primordial…
astro-ph.IM2025
Theoretical study of the excited states of NeH and of their non-adiabiatic couplings: a preliminary for the modeling of the dissociative recombination of NeH+
R. Hassaine, D. Talbi, R. P. Brady +3
Potential energy curves and matrix elements of radial non-adiabatic couplings of 2Σ+ and 2Π states of the NeH molecule are calculated using the electronic structure package MOLPRO,…