Characterization of 7Li(p, n) 7Be neutron yields from laser produced ion beams for fast neutron radiography

K. L. Lancaster, S. Karsch, H. Habara, F. N. Beg, E. L. Clark, R. Freeman, M. H. Key, J. A. King, R. Kodama, K. Krushelnick, K. W.D. Ledingham, P. McKenna, C. D. Murphy, P. A. Norreys, R. Stephens, C. Stöeckl, Y. Toyama, M. S. Wei, M. Zepf

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The VULCAN laser was used for investigating 7Li(p,n) 7Be reactions with the help of Cu and CH primary and LiF secondary targets. CR-39 plastic track detector measured the neutron yield which was 3×10 19 Wcm -2 for CH primary targets and up to 2×10 8 sr -1 for Cu primary targets. At various angles, the angular distribution of neutrons was measured that indicated a relatively anisotropic distribution of neutrons over 180°. The reactions were found to be fficient for neutron radiography on high repetition, table-top lasers.

Original languageEnglish
Pages (from-to)3404-3408
Number of pages5
JournalPhysics of Plasmas
Issue number7
Publication statusPublished - 1 Jul 2004


  • tracking devices
  • lasers
  • targets
  • laser produced plasmas
  • beam plasma interactions
  • Beryllium
  • Lithium
  • electromagnetic wave attenuation
  • error analysis
  • imaging systems
  • laser beam effects
  • proton beams


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