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A: Atomphysik

A 12: Posters Thursday (Ion/Atom/Molecule/Surface Scattering)

A 12.6: Poster

Donnerstag, 5. April 2001, 12:30–15:00, AT3

Projectile electron loss in ultrarelativistic collisions with neutral targets — •Carsten Müller, Norbert Grün, and Alexander Voitkiv — Institut für theoretische Physik II der Justus-Liebig-Universität Gießen

The electron loss cross section for hydrogen-like projectiles in ultrarelativistic collisions (160 GeV/u) with neutral atomic targets has been calculated both in the first order of perturbation theory and in an eikonal approximation which is exact in the ultrarelativistic limit γ → ∞. The results show the relative importance of nonperturbative effects in different collision systems.