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Stopping power for strong beam–plasma coupling

Published online by Cambridge University Press:  12 February 2003

D.O. GERICKE
D.O. GERICKE
Affiliation:
Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
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Abstract

A model for the stopping power for strong beam–plasma coupling is presented. The model calculates the stopping power through a T-matrix approach which correctly describes close binary collisions. A velocity-dependent screening length is used in the beam particle–plasma electron interaction to include dynamic screening effects. The model has the correct limiting behavior for low and high beam particle velocities and agrees well with simulation data up to very high coupling strengths. Compared to other theories, which include strong correlations and/or dynamic screening only approximately, a smaller energy loss has been found; this leads to a considerably longer stopping range.

Keywords

Dense plasmasHeavy ion fusionHighly charged beam ionsStopping power
Type
Research Article
Information
Laser and Particle Beams , Volume 20 , Issue 3 , July 2002 , pp. 471 - 474
Copyright
© 2002 Cambridge University Press

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