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Numerical modeling of heavy ion induced stress waves in solid targets

Published online by Cambridge University Press:  17 December 2007

N. A. Tahir*
Affiliation:
Gesellschaft für Schwerionenforschung, Darmstadt, Germany
V. Kim
Affiliation:
Institute for Problems of Chemical Physics, Chernogolovka, Russia
A. Matvechev
Affiliation:
Institute for Problems of Chemical Physics, Chernogolovka, Russia
A. Ostrik
Affiliation:
Institute for Problems of Chemical Physics, Chernogolovka, Russia
I. V. Lomonosov
Affiliation:
Institute for Problems of Chemical Physics, Chernogolovka, Russia
A. R. Piriz
Affiliation:
E.T.S.I. Industriales, Universidad de Castilla-La Mancha, Ciudad Real, Spain
J.J. Lopez Cela
Affiliation:
E.T.S.I. Industriales, Universidad de Castilla-La Mancha, Ciudad Real, Spain
D.H.H. Hoffmann
Affiliation:
Institut für Kernphysik, Technische Universität Darmstadt, Germany Gesellschaft für Schwerionenforschung, Darmstadt, Germany
*
Address correspondence and reprint requests to: N. A. Tahir, Gesellschaft für Schwerionenforschung Darmstadt, Planckstrasse 1, 64291 Darmstadt, Germany. E-mail: n.tahir@gsi.de

Abstract

This paper presents numerical simulations of thermodynamic and hydrodynamic response for solid targets that are irradiated with strongly bunched, highly focused, intense beams of energetic uranium ions. The main purpose of this work is to study the behavior of thermal stress waves induced in such targets by the incident ion beam. These theoretical studies will complement the experimental investigations that will be carried out in the near future at the Gesellschaft für Schwerionenforschung (GSI) plasma physics experimental area. These experiments will be performed using the existing heavy ion synchrotron, SIS18, which delivers 4 × 109 uranium ions in a single bunch with a length of about 125 ns. Other time structures, for example, a pulse that consists of a series of bunches, are also possible. The particle energy is on the order of 400 MeV/u and the beam can be focused to sub millimeter radius. This information concerning material response under intense beam loading will have important implications on designing a viable production target for the superconducting fragment separator, Super-FRS, which is going to be constructed at the future facility for antiproton and ion research (FAIR), Darmstadt, Germany, for the production and separation of exotic nuclei.

Type
Research Article
Copyright
Copyright © Cambridge University Press 2007

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References

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