Characterization of Li-7(p,n)Be-7 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. Stoeckl, Y. Toyama, M.S. Wei, Matthew Zepf

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112 Citations (Scopus)

Abstract

Investigations of Li-7(p,n)Be-7 reactions using Cu and CH primary and LiF secondary targets were performed using the VULCAN laser [C.N. Danson , J. Mod. Opt. 45, 1653 (1997)] with intensities up to 3x10(19) W cm(-2). The neutron yield was measured using CR-39 plastic track detector and the yield was up to 3x10(8) sr(-1) for CH primary targets and up to 2x10(8) sr(-1) for Cu primary targets. The angular distribution of neutrons was measured at various angles and revealed a relatively anisotropic neutron distribution over 180degrees that was greater than the error of measurement. It may be possible to exploit such reactions on high repetition, table-top lasers for neutron radiography. (C) 2004 American Institute of Physics.
Original languageEnglish
Pages (from-to)3404-3408
Number of pages5
JournalPhysics of Plasmas
Volume11
Issue number7
DOIs
Publication statusPublished - Jul 2004

ASJC Scopus subject areas

  • General Physics and Astronomy
  • Condensed Matter Physics

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