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T-matrix Approximation of the Stopping Power

Published online by Cambridge University Press:  09 March 2009

D.O. Gericke ,
M. Schlanges  and
W.D. Kraeft
D.O. Gericke
Affiliation:
Department of Physics, E.-M.-Arndt University, D-17487 Greifswald
M. Schlanges
Affiliation:
Department of Physics, E.-M.-Arndt University, D-17487 Greifswald
W.D. Kraeft
Affiliation:
Department of Physics, E.-M.-Arndt University, D-17487 Greifswald
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Abstract

An expression for the stopping power is derived in the quantum T-matrix approximation. The transport cross sections needed for a numerical evaluation are calculated using a scattering phase-shift analysis. Numerical results are given for the stopping power of an electron beam running into an electron gas. The temperature and density dependencies of the stopping power are discussed. Finally, dynamical screening is included in the weak coupling limit according to a kinetic equation proposed by H.A. Gould and H.E. DeWitt.

Type
Research Article
Information
Laser and Particle Beams , Volume 15 , Issue 4 , December 1997 , pp. 523 - 531
Copyright
Copyright © Cambridge University Press 1997

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References

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