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

Research output: Contribution to journalJournal article

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  • A. Maksimchuk
  • A. Raymond
  • F. Yu
  • G. M. Petrov
  • F. Dollar
  • L. Willingale
  • C. Zulick
  • J. Davis
  • K. Krushelnick
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Article number191117
<mark>Journal publication date</mark>13/05/2013
<mark>Journal</mark>Applied Physics Letters
Issue number19
Volume102
Number of pages5
<mark>State</mark>Published
<mark>Original language</mark>English

Abstract

Experiments on the interaction of an ultra-short pulse laser with heavy-water, ice-covered copper targets, at an intensity of 2 x 10(19) W/cm(2), were performed demonstrating the generation of a "pure" deuteron beam with a divergence of 20 degrees, maximum energy of 8 MeV, and a total of 3 x 10(11) deuterons with energy above 1 MeV-equivalent to a conversion efficiency of 1.5% +/- 0.2%. Subsequent experiments on irradiation of a B-10 sample with deuterons and neutron generation from d-d reactions in a pitcher-catcher geometry, resulted in the production of similar to 10(6) atoms of the positron emitter C-11 and a neutron flux of (4 +/- 1) x 10(5) neutrons/sterad, respectively. (C) 2013 AIP Publishing LLC.