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Density Diagnostics of an Argon Plasma by Heavy Ion Beams and Spectroscopy

Published online by Cambridge University Press:  09 March 2009

H. Wetzler ,
W. Süss ,
C. Stöckl ,
A. Tauschwitz  and
D.H.H. Hoffmann
H. Wetzler
Affiliation:
TH-Darmstadt SchloBgartenstr. 7, D-64289 Darmstadt, Germany
W. Süss
Affiliation:
TH-Darmstadt SchloBgartenstr. 7, D-64289 Darmstadt, Germany
C. Stöckl
Affiliation:
TH-Darmstadt SchloBgartenstr. 7, D-64289 Darmstadt, Germany
A. Tauschwitz
Affiliation:
Universitat Erlangen, Erwin-Rommel-Str. 1, D-91085 Erlangen, Germany
D.H.H. Hoffmann
Affiliation:
Universitat Erlangen, Erwin-Rommel-Str. 1, D-91085 Erlangen, Germany
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Abstract

Experiments have been performed to investigate charge state and energy loss of 5.9-MeV/u uranium ions in a partially ionized dense argon plasma with 1017 ≤ ne ≤ 1019 cm−3 and 1 ≤ Te ≤ 10 eV. The charge state of the ions was found to be equal to the equilibrium charge state in cold gas. The energy loss offered a useful tool for plasma density diagnostics. Spectroscopic measurements using the electron collision broadening of ArII- and ArIII-lines in the visible and UV spectral region confirm this plasma density data.

Type
Research Article
Information
Laser and Particle Beams , Volume 15 , Issue 3 , September 1997 , pp. 449 - 459
Copyright
Copyright © Cambridge University Press 1997

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