Analytical estimates of proton acceleration in laser-produced turbulent plasmas
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With the advent of high power lasers, new opportunities have opened up for simulating astrophysical processes in the laboratory. We show that 2nd-order Fermi acceleration can be directly investigated at the National Ignition Facility, Livermore. This requires measuring the momentum-space diffusion of 3 MeV protons produced within a turbulent plasma generated by a laser. Treating Fermi acceleration as a biased diffusion process, we show analytically that a measurable broadening of the initial proton distribution is then expected for particles exiting the plasma.
Originalsprog | Engelsk |
---|---|
Artikelnummer | 905840608 |
Tidsskrift | Journal of Plasma Physics |
Vol/bind | 84 |
Udgave nummer | 6 |
Antal sider | 12 |
ISSN | 0022-3778 |
DOI | |
Status | Udgivet - 19 nov. 2018 |
- astro-ph.HE, physics.plasm-ph
Forskningsområder
Links
- https://arxiv.org/pdf/1808.04356.pdf
Indsendt manuskript
ID: 201992733