Abstract
We are studying the use of 0.1 - 1.0 GeV laser-accelerated electron beams as active interrogation probes for long-standoff radiography or nuclear activation of concealed special nuclear material. Use of beams in this energy range is largely unexplored, but such beams could provide notable advantages over lower-energy beams and x-rays. High- energy laser-accelerated electrons exhibit large penetration range through air and solids, and low beam divergence for both direct beams and secondary Bremsstrahlung x-rays. We present laboratory measurements of radiography and activation, using the high-power Diocles laser system at the University of Nebraska, as well as MCNP and GEANT Monte Carlo simulation results used to aid experiment design and interpretation.
Original language | English (US) |
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Pages (from-to) | 638-642 |
Number of pages | 5 |
Journal | AIP Conference Proceedings |
Volume | 1099 |
DOIs | |
State | Published - 2009 |
Event | 20th International Conference on the Application of Accelerators in Research and Industry, CAARI 2008 - Fort Worth, TX, United States Duration: Aug 10 2008 → Aug 15 2008 |
Keywords
- Active interrogation
- Laser wakefield accelerators
- Nuclear activation
- Particle beam radiography
ASJC Scopus subject areas
- General Physics and Astronomy