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Title Subthreshold neutron interrogator for detection of radioactive materials
Creator/Author Evans, M.L. ; Menlove, H.O. ; Baker, M.P.
Publication Date1980 May 06
OSTI IdentifierOSTI ID: 5114987
Report Number(s)US 4201912
Resource TypePatent
Resource RelationPat. File: Filed date 3 Oct 1978; PAT-APPL-948,266
Subject050200 -- Nuclear Fuels-- Exploration-- (-1987) ;400101 -- Activation, Nuclear Reaction, Radiometric & Radiochemical Procedures; ;FISSIONABLE MATERIALS-- NUCLEAR REACTION ANALYSIS; FAST NEUTRONS;NEUTRON DETECTION;NEUTRON REACTIONS;PROPORTIONAL COUNTERS;SCINTILLATION COUNTING
Related SubjectBARYON REACTIONS;BARYONS;CHEMICAL ANALYSIS;COUNTING TECHNIQUES;DETECTION;ELEMENTARY PARTICLES;FERMIONS;HADRON REACTIONS;HADRONS;MATERIALS;MEASURING INSTRUMENTS;NEUTRONS;NUCLEAR REACTIONS;NUCLEON REACTIONS;NUCLEONS;RADIATION DETECTION;RADIATION DETECTORS
Description/Abstract A device is described for detecting fissionable material such as uranium in low concentrations by interrogating with photoneutrons at energy levels below 500 keV, and typically about 26 keV.^Induced fast neutrons having energies above 500 keV by the interrogated fissionable material are detected by a liquid scintillator or recoil proportional counter which is sensitive to the induced fast neutrons.^Since the induced fast neutrons are proportional to the concentration of fissionable material, detection of induced fast neutrons indicate concentration of the fissionable material.
Country of PublicationUnited States
LanguageEnglish
FormatPages: 6
RightsDept. of Energy
System Entry Date2001 May 13

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