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Heavy-ion beam focusing with a wall-stabilized plasma lens

Published online by Cambridge University Press:  09 March 2009

A. Tauschwitz ,
E. Boggasch ,
D.H.H. Hoffmann ,
J. Jacoby ,
U. Neuner ,
M. Stetter ,
S. Stöwe ,
R. Tkotz ,
M. De Magistris  and
W. Seelig
A. Tauschwitz
Affiliation:
Max-Planck-Institut für Quantenoptik(MPQ), 85740 Garching, Germany
E. Boggasch
Affiliation:
Max-Planck-Institut für Quantenoptik(MPQ), 85740 Garching, Germany
D.H.H. Hoffmann
Affiliation:
Gesellschaft für Schwerionenforschung (GSI), 64220 Darmstadt, Germany
J. Jacoby
Affiliation:
Gesellschaft für Schwerionenforschung (GSI), 64220 Darmstadt, Germany
U. Neuner
Affiliation:
Physikalisches Institut, Universität Erlangen, 91058 Erlangen, German
M. Stetter
Affiliation:
Physikalisches Institut, Universität Erlangen, 91058 Erlangen, German
S. Stöwe
Affiliation:
Physikalisches Institut, Universität Erlangen, 91058 Erlangen, German
R. Tkotz
Affiliation:
Physikalisches Institut, Universität Erlangen, 91058 Erlangen, German
M. De Magistris
Affiliation:
Dipartimento di Ingegneria Elettrica, Universita di Napoli, 80125 Napoli, Italy
W. Seelig
Affiliation:
Institut für Angewandte Physik, Technische Hochschule Darmstadt, 64289 Darmstadt, Germany
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Abstract

Focusing of heavy-ion beams is an important issue for ion beam-driven inertial confinement fusion. For the experimental program to investigate matter at high energy densities at GSI, the application of a plasma lens has attractive features compared to standard quadrupole lenses. A plasma lens using a wall-stabilized discharge has been systematically investigated and optimized for this purpose. Different lenses were tested in several runs at the GSI linear accelerator UNILAC and at the SIS-synchrotron. A remarkably high accuracy and reproducibility of the focusing were found. The focal spot size was mainly limited by the beam emittance. A summary of experimental results and important limitations of the focal spot size is given.

Type
Research Article
Information
Laser and Particle Beams , Volume 13 , Issue 2 , June 1995 , pp. 221 - 229
Copyright
Copyright © Cambridge University Press 1995

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