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Persistent URL http://purl.org/net/epubs/work/41787
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Record Id 41787
Title Spectral control in proton acceleration with multiple
Abstract We address the question of whether multiple high intensity (>1018 Wcm−2) laser pulses (each O(100 fs)) can produce proton beams with a modified energy spectrum on irradiating a foil target. This has been studied in one dimension with both Vlasov and particle-in-cell codes. A reduction in the maximum proton energy, and the generation of spectral peaks, is observed. This is the first theoretical demonstration of spectral peak generation by purely optical means. The mechanism, which has been termed multiple pulse sheath acceleration, that produces these spectral peaks is described, and the same mechanism occurs in both sets of simulations.
Organisation CCLRC , CLF , CLF-HPL
Keywords laser-plasma , Physics , proton
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Language English (EN)
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Journal Article Plasma Phys Contr F 49 (2007): 373-384. doi:10.1088/0741-3335/49/4/002 2007