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High-energy-density matter research at GSI Darmstadt using intense heavy ion beams

Published online by Cambridge University Press:  12 February 2003

N.A. TAHIR ,
A. SHUTOV ,
D. VARENTSOV ,
D.H.H. HOFFMANN ,
P. SPILLER ,
I. LOMONOSOV ,
J. WIESER ,
J. JACOBY  and
V.E. FORTOV
N.A. TAHIR
Affiliation:
Institut für Theoretische Physik, Universität Frankfurt, 60054 Frankfurt, Germany
A. SHUTOV
Affiliation:
Institute for Problems in Chemical Physics, Chernogolovka, Russia
D. VARENTSOV
Affiliation:
Institut für Kernphysik, TU Darmstadt, 64289 Darmstadt, Germany
D.H.H. HOFFMANN
Affiliation:
Institut für Kernphysik, TU Darmstadt, 64289 Darmstadt, Germany Gesellschaft für Schwerionenforschung, 64291 Darmstadt, Germany
P. SPILLER
Affiliation:
Gesellschaft für Schwerionenforschung, 64291 Darmstadt, Germany
I. LOMONOSOV
Affiliation:
Institute for Problems in Chemical Physics, Chernogolovka, Russia
J. WIESER
Affiliation:
Gesellschaft für Schwerionenforschung, 64291 Darmstadt, Germany
J. JACOBY
Affiliation:
Gesellschaft für Schwerionenforschung, 64291 Darmstadt, Germany
V.E. FORTOV
Affiliation:
Institute for Problems in Chemical Physics, Chernogolovka, Russia
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Abstract

This paper presents two-dimensional numerical simulations of heating of matter with intense heavy ion beams. It has been shown that it is very advantageous to irradiate the target with two different beams simultaneously, a main high intensity bunched beam of a heavy element like uranium and an unbunched low intensity beam of a lighter element like argon. The main beam is used to heat the target while the second beam is used as a diagnostic tool.

Influence of the shape of the focal spot on compression and heating of matter has also been studied using an elliptic focal spot with an ellipticity of 1.5 (semimajor axis is along y-axis and is 1.5 times the semiminor axis which is along x-axis). It has been found that the temporal behavior of the development of density, pressure, and temperature profiles along different directions is quite different, which is not the case with a circular focal spot.

Keywords

Beam parametersHigh-energy-densityIntense heavy ion beamsIrradiatePulse duration
Type
Research Article
Information
Laser and Particle Beams , Volume 20 , Issue 3 , July 2002 , pp. 393 - 397
Copyright
© 2002 Cambridge University Press

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