Theoretical study of charge exchange dynamics in He+ + NO collisions

Bene, Erika and Bacchus-Montabonel, Marie-Christine (2014) Theoretical study of charge exchange dynamics in He+ + NO collisions. EUROPEAN PHYSICAL JOURNAL D, 68 (6). ISSN 1434-6060

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Abstract

We investigate the charge transfer mechanism in the collisions of helium ions on nitric oxide using a molecular description framework with consideration of the orientation of the projectile toward the target. The anisotropy of the collision process has been analysed in detail in connection with the non-adiabatic interactions around avoided crossings. Potential energy curves, radial and rotational coupling matrix elements have been determined by means of ab initio quantum chemical methods. The collision dynamics is performed in the [1.-25.] keV collision energy range using a semiclassical approach, and the total electron transfer cross sections are analysed with regard to available experimental data.

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