Relativistic high-current electron-beam stopping-power characterization in solids and plasmas: collisional versus resistive effects.

Vauzour, B. and Santos, J.J. and Debayle, Arnaud Philippe Henri and Hulin, S. and Schlenvoigt, H.-P. and Vaisseau, X. and Batani, D. and Baton, S. D. and Honrubia Checa, José Javier (2012). Relativistic high-current electron-beam stopping-power characterization in solids and plasmas: collisional versus resistive effects.. "Physical Review Letters", v. 109 (n. 25); pp.. ISSN 0031-9007. https://doi.org/10.1103/PhysRevLett.109.255002.

Description

Title: Relativistic high-current electron-beam stopping-power characterization in solids and plasmas: collisional versus resistive effects.
Author/s:
  • Vauzour, B.
  • Santos, J.J.
  • Debayle, Arnaud Philippe Henri
  • Hulin, S.
  • Schlenvoigt, H.-P.
  • Vaisseau, X.
  • Batani, D.
  • Baton, S. D.
  • Honrubia Checa, José Javier
Item Type: Article
Título de Revista/Publicación: Physical Review Letters
Date: 18 December 2012
ISSN: 0031-9007
Volume: 109
Subjects:
Faculty: E.T.S.I. Aeronáuticos (UPM)
Department: Física Aplicada a la Ingeniería Aeronáutica [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

We present experimental and numerical results on intense-laser-pulse-produced fast electron beams transport through aluminum samples, either solid or compressed and heated by laser-induced planar shock propagation. Thanks to absolute K� yield measurements and its very good agreement with results from numerical simulations, we quantify the collisional and resistive fast electron stopping powers: for electron current densities of � 8 � 1010 A=cm2 they reach 1:5 keV=�m and 0:8 keV=�m, respectively. For higher current densities up to 1012 A=cm2, numerical simulations show resistive and collisional energy losses at comparable levels. Analytical estimations predict the resistive stopping power will be kept on the level of 1 keV=�m for electron current densities of 1014 A=cm2, representative of the full-scale conditions in the fast ignition of inertially confined fusion targets.

More information

Item ID: 15401
DC Identifier: http://oa.upm.es/15401/
OAI Identifier: oai:oa.upm.es:15401
DOI: 10.1103/PhysRevLett.109.255002
Official URL: http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.109.255002
Deposited by: Memoria Investigacion
Deposited on: 07 Apr 2014 17:13
Last Modified: 21 Apr 2016 15:27
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