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Enhanced energy loss of heavy ions passing a fully ionized hydrogen plasma

Published online by Cambridge University Press:  09 March 2009

R. Kowalewicz ,
E. Boggasch ,
D.H.H. Hoffmann ,
J. Jacoby ,
W. Laux ,
C. Stöckl ,
K. Weyrich  and
S. Miyamoto
R. Kowalewicz
Affiliation:
Department of Physics, University Erlangen-Nüremberg, Germany
E. Boggasch
Affiliation:
Department of Physics, University Erlangen-Nüremberg, Germany
D.H.H. Hoffmann
Affiliation:
Department of Physics, University Erlangen-Nüremberg, Germany
J. Jacoby
Affiliation:
Department of Physics, University Erlangen-Nüremberg, Germany
W. Laux
Affiliation:
Gesellschaft für Schwerionenforschung, Darmstadt, Germany
C. Stöckl
Affiliation:
Gesellschaft für Schwerionenforschung, Darmstadt, Germany
K. Weyrich
Affiliation:
Gesellschaft für Schwerionenforschung, Darmstadt, Germany
S. Miyamoto
Affiliation:
lnstitute of Laser Engineering, Osaka, Japan
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Abstract

Experiments are presented that demonstrate the high stopping power of fully ionized hydrogen plasma for low-energy heavy ions. A plasma with electron densities up to 7.1016 cm–3 at temperatures above 1 eV was created by an electrical discharge. In the described experiment, a stopping power of 1.08 GeV/(mg/cm2) was measured using singly charged krypton ions at 45–keV/u energy. The measured stopping power exceeds the corresponding value in cold hydrogen gas by a factor of 35. These measurements confirm the theoretical stopping power predictions close to the expected maximum in a fully ionized plasma.

Type
Research Article
Information
Laser and Particle Beams , Volume 14 , Issue 4 , December 1996 , pp. 599 - 604
Copyright
Copyright © Cambridge University Press 1996

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References

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