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Charge state of fast heavy ions in a hydrogen plasma

Journal Article · · Physical Review Letters; (United States)
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  1. Gesellschaft fuer Schwerionenforschung (GSI), Postfach 110552, D-6100 Darmstadt (Germany) Max-Planck-Institut fuer Quantenoptik (MPQ), D-8046 Garching (Germany) Lehrstuhl fuer Lasertechnik, Rheinisch-Westfaelische Technische Hochschule Aachen, D-5100 Aachen (Germany) Institute for Theoretical and Experimental Physics, 117259 Moscow (Russia)
We report the first charge-state measurements of fast heavy ions passing through a plasma target. The projectiles were [sup 40]Ar ions at an energy of 4.8 MeV/amu and [sup 129]Xe ions at an energy of 5.9 MeV/amu. The target was a 20-cm-long [ital Z] pinch discharge which provided fully ionized hydrogen plasma with free electron densities up to 1.5[times]10[sup 19] cm[sup [minus]3]. The measured charge-state distributions are in excellent agreement with theoretical calculations. For Xe ions an increase of the ion charge state in plasma over the charge state in cold gas was observed.
OSTI ID:
6988407
Journal Information:
Physical Review Letters; (United States), Journal Name: Physical Review Letters; (United States) Vol. 69:25; ISSN 0031-9007; ISSN PRLTAO
Country of Publication:
United States
Language:
English