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Berlin 2005 – scientific programme

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A: Atomphysik

A 11: Ion-Atom/Molecule Collisions, Exotic Atoms

A 11.2: Fachvortrag

Monday, March 7, 2005, 16:45–17:00, HU 3075

Slowing-down-experiments with (40-300)MeV/u 58Ni-ions — •R. Knöbel1, F. Attallah2, K. H. Behr2, V. Chichkine2, S. Elisseev1, H. Geissel1,2, H. Hausmann2, B. Kindler2, B. Lommel2, M. Maier1,2, G. Münzenberg2, N. Nankov1,2, T. Ohtsubo2, M. Portillo2, G. Savard3, C. Scheidenberger1,2, K. Sümmerer2, H. Weick1,2, and M. Winkler1,21II. Physikalisches Institut, Justus-Liebig-Universität Gießen, Heinrich-Buff-Ring 16, D-35392 Gießen, Germany — 2Gesellschaft für Schwerionenforschung, Planckstrasse 1, D-64291 Darmstadt, Germany — 3Physics Division, Argonne National Laboratory, 9700 South Cass Ave, Argonne, IL 60439, USA

New experimental results of 58Ni-ions slowed down in matter at the FRS at GSI will be presented. The measurements were performed at projectile energies of 300MeV/u, 100MeV/u, 70MeV/u and 50MeV/u. The ions penetrate through various target materials (Be, C, Al, Cu, Ag, Au) of different thicknesses. Measured charge-state distributions, stopping power and energy straggling will be shown. The experimental results are compared with calculations employing different theoretical models.

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