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Persistent URL http://purl.org/net/epubs/work/36996
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Record Id 36996
Title Proton radiography of a laser-driven implosion
Abstract Protons accelerated by a picosecond laser pulse have been used to radiograph a 500 mu m diameter capsule, imploded with 300 J of laser light in 6 symmetrically incident beams of wavelength 1.054 mu m and pulse length 1 ns. Point projection proton backlighting was used to characterize the density gradients at discrete times through the implosion. Asymmetries were diagnosed both during the early and stagnation stages of the implosion. Comparison with analytic scattering theory and simple Monte Carlo simulations were consistent with a 3 +/- 1 g/cm(3) core with diameter 85 +/- 10 mu m. Scaling simulations show that protons > 50 MeV are required to diagnose asymmetry in ignition scale conditions.
Organisation CCLRC , CLF
Keywords CLF 2006-2007
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Language English (EN)
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Journal Article Phys Rev Lett 97, no. 4 (2006): 045001. doi:10.1103/PhysRevLett.97.045001 2006
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