Dominant deuteron acceleration with a high-intensity laser for isotope production and neutron generation

Maksimchuk, A.; Raymond, A.; Yu, F.; Petrov, G. M.; Dollar, F.; Willingale, L.; Zulick, C.; Davis, J.; Krushelnick, K.
May 2013
Applied Physics Letters;5/13/2013, Vol. 102 Issue 19, p191117
Academic Journal
Experiments on the interaction of an ultra-short pulse laser with heavy-water, ice-covered copper targets, at an intensity of 2×1019 W/cm2, were performed demonstrating the generation of a 'pure' deuteron beam with a divergence of 20°, maximum energy of 8 MeV, and a total of 3×1011 deuterons with energy above 1 MeV-equivalent to a conversion efficiency of 1.5% ± 0.2%. Subsequent experiments on irradiation of a 10B sample with deuterons and neutron generation from d-d reactions in a pitcher-catcher geometry, resulted in the production of ∼106 atoms of the positron emitter 11C and a neutron flux of (4±1)×105 neutrons/sterad, respectively.


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