High-Resolution γ-Ray Radiography Produced by a Laser-Plasma Driven Electron Source

Abstract : An electron beam from a laser-plasma accelerator is converted into a γ-ray source using bremsstrahlung radiation in a dense material. The γ-ray beam has a pointlike source size because it is generated by a high quality electron beam with a small source size and a low divergence. Using this γ-ray source, the radiography of complex and dense objects with submillimeter resolution is performed. It is the first evidence of a γ-ray source size of a few hundreds micrometers produced with laser-driven accelerators. This size is consistent with results from Monte Carlo simulations.
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https://hal-polytechnique.archives-ouvertes.fr/hal-00508751
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Submitted on : Thursday, August 5, 2010 - 2:50:11 PM
Last modification on : Wednesday, July 3, 2019 - 10:48:02 AM

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Yannick Glinec, Jérôme Faure, L.Le Dain, S. Darbon, T. Hosokai, et al.. High-Resolution γ-Ray Radiography Produced by a Laser-Plasma Driven Electron Source. Physical Review Letters, American Physical Society, 2005, 94 (2), pp.025003. ⟨10.1103/PhysRevLett.94.025003⟩. ⟨hal-00508751⟩

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