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Persistent URL http://purl.org/net/epubs/work/66041
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Record Id 66041
Title Hole-boring radiation pressure acceleration as a basis for producing high-energy proton bunches
Abstract The production of high-energy protons by the 'hole-boring' radiation pressure acceleration (HB-RPA) mechanism of laser-driven ion acceleration is examined in the case where the plasma has a density less than a0nc in 2D. Previously this was examined in 1D (Robinson 2011 Phys. Plasmas 18 056701) and was motivated by previous predictions of the non-linear criterion for an ultra-intense laser pulse to penetrate a dense plasma. By reducing the density well below a0nc the proton energies achieved increases considerably, thus leading to proton energies >100 MeV at laser intensities close to current capabilities. The results show that good quality proton beams with proton energies >100 MeV can be obtained via HB-RPA using targets with densities in the range 12–20nc and laser intensities in the range 5 × 1021–3 × 1022 W cm?2.
Organisation CLF , STFC
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Language English (EN)
Type Details URI(s) Local file(s) Year
Journal Article Plasma Phys Contr F 54, no. 11 (2012): 115001. doi:10.1088/0741-3335/54/11/115001 2012
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