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The design, build and test of a digital analyzer for mixed radiation fields.

Research output: Contribution to conferenceConference paper


  • M. J. Joyce
  • M. D. Aspinall
  • F. D. Cave
  • K. Georgopoulos
  • Z. Jarrah
  • Dora Merelli (Editor)
Publication date2009
Original languageEnglish


ConferenceANIMMA 2009 : 2009 1st International Conference on Advancements in Nuclear Instrumentation, Measurement Methods and Their Applications
CityMarseille, France


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.

Bibliographic note

ISBN 9781424452071