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Relativistic high-current electron-beam stopping-power characterization in solids and plasmas: collisional versus resistive effects
- Source :
- Physical Review Letters, ISSN 0031-9007, 2012-12-18, Vol. 109, No. 25, Physical Review Letters, Physical Review Letters, American Physical Society, 2012, 109 (25), Physical Review Letters, 2012, 109 (25), ⟨10.1103/PhysRevLett.109.255002⟩, Archivo Digital UPM, Universidad Politécnica de Madrid
- Publication Year :
- 2012
- Publisher :
- E.T.S.I. Aeronáuticos (UPM), 2012.
-
Abstract
- International audience; 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-alpha 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 approximate to 8 x 10(10) A/cm(2) they reach 1.5 keV/mu m and 0.8 keV/mu m, respectively. For higher current densities up to 10(12) A/cm(2), 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/mu m for electron current densities of 10(14) A/cm(2), representative of the full-scale conditions in the fast ignition of inertially confined fusion targets.
- Subjects :
- [PHYS]Physics [physics]
Nuclear reaction
Physics
Resistive touchscreen
General Physics and Astronomy
Física
Plasma
Electron
Stopping power
01 natural sciences
7. Clean energy
010305 fluids & plasmas
laser, plasmi, fusione nucleare, elettroni rapidi
Nucleosynthesis
0103 physical sciences
Cathode ray
Atomic physics
010306 general physics
Inertial confinement fusion
FIS/03 - FISICA DELLA MATERIA
ComputingMilieux_MISCELLANEOUS
Subjects
Details
- Language :
- English
- ISSN :
- 00319007 and 10797114
- Database :
- OpenAIRE
- Journal :
- Physical Review Letters, ISSN 0031-9007, 2012-12-18, Vol. 109, No. 25, Physical Review Letters, Physical Review Letters, American Physical Society, 2012, 109 (25), Physical Review Letters, 2012, 109 (25), ⟨10.1103/PhysRevLett.109.255002⟩, Archivo Digital UPM, Universidad Politécnica de Madrid
- Accession number :
- edsair.doi.dedup.....f1a1ad8108fe4a9342ec0f1eb5eed083