Radiation Detection for Active Interrogation of HEU

Mihalczo, J.T.

Oak Ridge National Laboratory

关键词: Fission;    46 Instrumentation Related To Nuclear Science And Technology;    Resonance Fluorescence;    Neutrons;    Detection;   

DOI  :  10.2172/885764
RP-ID  :  ORNL/TM-2004/302
RP-ID  :  DE-AC05-00OR22725
RP-ID  :  885764

美国|英语

来源: UNT Digital Library

【 摘 要 】

This report briefly describes the neutrons and gamma rays emitted by active interrogation of HEU, briefly discusses measurement methods, briefly discusses sources and detectors relevant to detection of shielded HEU in Sealand containers, and lists the measurement possibilities for the various sources. All but one of the measurement methods detect radiation emitted by induced fission in the HEU; the exception utilizes nuclear resonance fluorescence. The brief descriptions are supplemented by references. This report presents some active interrogation possibilities but the status of understanding is not advanced enough to select particular methods. Additional research is needed to evaluate these possibilities.