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The Design, Build and Test of a Digital Analyzer for Mixed Radiation Fields.

Research output: Contribution to journalJournal article


  • M. J. Joyce
  • M. D. Aspinall
  • F. D. Cave
  • K. Georgopoulos
  • Z. Jarrah
<mark>Journal publication date</mark>14/10/2010
<mark>Journal</mark>IEEE Transactions on Nuclear Science
Issue number5
Number of pages6
Pages (from-to)2625-2630
<mark>Original language</mark>English


The design, build and test of a digital analyzer for mixed radiation fields is described. This instrument has been developed to provide portable, real-time discrimination of hard mixed fields comprising both neutrons and γ rays with energies typically above 0.5 MeV. The instrument in its standard form comprises a sensor head and a system unit, and affords the flexibility to provide processed data in the form of the traditional scatter-plot representation separating neutron and γ -ray components, or the full, sampled pulse data itself. The instrument has been tested with an americium-beryllium source in three different shielding arrangements to replicate the case in which there are only neutrons, only γ rays and where both neutrons and γ -rays are present. The instrument is observed to return consistent results.