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Abstract: The cross section for dissociative recombination of BeH^+ is calculated bysolution of the time-dependent Schrodinger equation in the local complexpotential approximation.
The effects of couplings between resonant states andthe Rydberg states converging to the ground state of the ion are studied.
Therelevant potentials, couplings and autoionization widths are extracted using abinitio electron scattering and structure calculations, followed by adiabatization procedure.
The calculated cross sections shows a sizablemagnitude at low energy, followed by a high-energy peak centered around 1 eV.The electronic couplings between the neutral states induce oscillations in thecross section.
Analytical forms for the cross sections at low collisionenergies are given.



Autor: J.
B.
Roos, M.
Larsson, AA.
Larson, A.
E Orel


Fuente: https://arxiv.org/



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