Enhanced relativistic-electron-beam energy loss in warm dense aluminum

X. Vaisseau, A. Debayle, J. J. Honrubia, S. Hulin, A Morace, Ph. Nicolai, H. Sawada, B. Vauzour, D. Batani, F. N. Beg, J. R. Davies, R Fedosejevs, R. J. Gray, G E Kemp, S Kerr, K Li, A Link, P. McKenna, H S McLean, M MoDavid Neely, P K Patel, J Park, J Peebles, Y J Rhee, A Sorokovikova, V. T. Tikhonchuk, L. Volpe, M Wei, J. J. Santos

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Energy loss of relativistic electron beams in warm-dense aluminum is measured in the regime of ultra-high electron beam current density over 2x10^11 A/cm2 (time-averaged). The samples are heated by shock compression. Comparing to undriven cold-solid ones, the roles of the different initial resistivity and of the transient resistivity (upon target heating during electron transport) are directly highlighted by the experimental data, reproduced by a comprehensive set of simulations, describing the hydrodynamics of the shock compression, and electron beam generation and transport. We measured a 16% increase in electron resistive energy loss in warm-dense compared to cold-solid samples of identical areal mass.
Original languageEnglish
Article number095004
Number of pages6
JournalPhysical Review Letters
Early online date4 Mar 2015
Publication statusE-pub ahead of print - 4 Mar 2015


  • relativistic electron beams
  • energy loss
  • ultrahigh electron beam


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