Accès ouvert déclaré 2009 article

COMPACT, TUNABLE COMPTON SCATTERING GAMMA-RAY SOURCES

Frederic V. Hartemann, F. Albert, G. G. Anderson, S. G. Anderson, Andrew J. Bayramian, Shawn M. Betts, T.S. Chu, R.R. Cross, Chris A. Ebbers, Sophie Fisher, D J Gibson, A. S. Ladran, Roark A. Marsh, Mike J. Messerly, Kim Leslie O'Neill, V. A. Semenov, Miro Y. Shverdin, C. W. Siders, D. P. McNabb, C J Barty, A.E. Vlieks, Erik N. Jongewaard, Sami G. Tantawi, Tor O. Raubenheimer

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Le résumé fourni par la source

Recent progress in accelerator physics and laser technology have enabled the development of a new class of gamma-ray light sources based on Compton scattering between a high-brightness, relativistic electron beam and a high intensity laser pulse produced via chirped-pulse amplification (CPA). A precision, tunable gamma-ray source driven by a compact, high-gradient X-band linac is currently under development at LLNL. High-brightness, relativistic electron bunches produced by the linac interact with a Joule-class, 10 ps laser pulse to generate tunable {gamma}-rays in the 0.5-2.5 MeV photon energy range via Compton scattering. The source will be used to excite nuclear resonance fluorescence lines in various isotopes; applications include homeland security, stockpile science and surveillance, nuclear fuel assay, and waste imaging and assay. The source design, key parameters, and current status are presented.

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Les sujets associés

Nuclear Physics and ApplicationsLaser-Plasma Interactions and DiagnosticsRadiation Detection and Scintillator Technologies

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