Abstract

Photon emission following slow ion-atom collisions has been observed for the collision systems He q+ + He( q = 1,2) at the energy 10 keV q −1. In particular relative photon emission cross sections for the 1 s 2 1 S 0−1s n p 1 P 1 series in neutral helium are reported for both charges of the incoming helium ion. The work has been performed at the Uppsala University ECR ion source facility.

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