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Persistent URL http://purl.org/net/epubs/work/17877546
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Record Id 17877546
Title Characterization of laser-driven proton beams from near-critical density targets using copper activation
Abstract Copper activation was used to characterize high-energy proton beam acceleration from near-critical density plasma targets. An enhancement was observed when decreasing the target density, which is indicative for an increased laser-accelerated hot electron density at the rear target-vacuum boundary. This is due to channel formation and collimation of the hot electrons inside the target. Particle-in-cell simulations support the experimental observations and show the correlation between channel depth and longitudinal electric field strength is directly correlated with the proton acceleration.
Organisation CLF , CI , STFC
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Language English (EN)
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Journal Article J Plasma Phys 81, no. 01 (2015): 365810102. doi:10.1017/S002237781400066X 2015