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Fiber optic thermal/fast neutron and gamma ray scintillation detector

Patent ·
OSTI ID:918906
 [1];  [2]
  1. Knoxville, TN
  2. Oak Ridge, TN
+ Show Author Affiliations
A system for detecting fissile and fissionable material originating external to the system includes: a .sup.6Li loaded glass fiber scintillator for detecting thermal neutrons, x-rays and gamma rays; a fast scintillator for detecting fast neutrons, x-rays and gamma rays, the fast scintillator conjoined with the glass fiber scintillator such that the fast scintillator moderates fast neutrons prior to their detection as thermal neutrons by the glass fiber scintillator; and a coincidence detection system for processing the time distributions of arriving signals from the scintillators.
Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN
Sponsoring Organization:
United States Department of Energy
DOE Contract Number:
AC05-00OR22725
Assignee:
UT-Battelle LLC (Oak Ridge, TN)
Patent Number(s):
7,288,771
Application Number:
11/549,269
OSTI ID:
918906
Country of Publication:
United States
Language:
English

References (5)

Phoswich detectors for simultaneous counting of α-, β(γ)-rays and neutrons
  • Usuda, Shigekazu; Sakurai, Satoshi; Yasuda, Kenichiro
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 388, Issue 1-2, p. 193-198 https://doi.org/10.1016/S0168-9002(97)00327-6
journal March 1997
Development of a phoswich detector to detect neutrons and charged particles for space application journal June 1998
Recent developments in neutron detection journal April 2000
Scintillating-glass-fiber neutron sensors
  • Abel, K. H.; Arthur, R. J.; Bliss, M.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 353, Issue 1-3 https://doi.org/10.1016/0168-9002(94)91615-2
journal December 1994
Physical description of nuclear materials identification system (NMIS) signatures
  • Mihalczo, J. T.; Mullens, J. A.; Mattingly, J. K.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 450, Issue 2-3, p. 531-555 https://doi.org/10.1016/S0168-9002(00)00304-1
journal August 2000

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