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Review of secondary and tertiary reactions, and neutron scattering as diagnostic techniques for inertial confinement fusion targets

Published online by Cambridge University Press:  09 March 2009

H. Azechi
Institute of Laser Engineering, Osaka University, 2–6 Yamada-oka, Suita, Osaka 566, Japan
M. D. Cable
Lawrence Livermore National Laboratory, P.O. Box 5508, Livermore, CA 94550, USA
R. O. Stapf
Institute of Laser Engineering, Osaka University, 2–6 Yamada-oka, Suita, Osaka 566, Japan


Fuel areal density, 〈ρR〉, is a fundamental quantity for ICF implosions. For current and future targets, areal densities are large enough that a variety of neutron based diagnostic techniques can be used to determine fuel 〈ρR〉. These include measurements based on the secondary production of DT neutrons from initially pure deuterium fuel and, for higher 〈ρR〉 values, techniques utilizing high energy tertiary neutrons or lower energy scattered neutrons. This paper describes these techniques and gives an overview of the current experimental status.

Research Article
Copyright © Cambridge University Press 1991

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