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. Geissel^1,2, H. Hausmann², B. Kindler², B. Lommel², M. Maier^1,2, G. Münzenberg², N. Nankov^1,2, T. Ohtsubo², M. Portillo², G. Savard³, C. Scheidenberger^1,2, K. Sümmerer², H. Weick^1,2, and M. Winkler^1,2 — ¹II. 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.