Excitation into high-lying states in Li 3+ -H collisions

Aicha Ibaaz (1) , Rosa Esteban Hernandez (1) , Alain Dubois (1) , Nicolas Sisourat (1)

1 LCPMR - Laboratoire de Chimie Physique - Matière et Rayonnement

We have studied the excitation of atomic hydrogen by fully-stripped lithium ion impact in the intermediate energy range using a new and efficient implementation of the two-center atomic orbital approach with Gaussian-type orbitals. Partial and state-selective cross sections have been obtained for excitation up to H(6 h). A careful investigation of the convergence of the results with respect to the basis set has been performed which allows us to estimate the accuracy of the cross sections. Furthermore, our calculations provide an explanation for the discrepancies between previous calculations on this collision system.

Domaines: Physique [physics]

Aicha Ibaaz, Rosa Esteban Hernandez, Alain Dubois, Nicolas Sisourat. Excitation into high-lying states in Li 3+ -H collisions. Journal of Physics B: Atomic, Molecular and Optical Physics, 2016, 49 (8), pp.085202 ⟨10.1088/0953-4075/49/8/085202⟩. ⟨hal-01314829⟩