Available Technology

Real-Time Gamma-Ray Signature Identifier

Gamma ray spectrometry for the identification of nuclear materials is valuable to homeland security. Identifying unknown sources, which may or may not be shielded, during radiation surveys requires full gamma-ray spectrum analysis including peaks and Compton scattering. This type of analysis would be laborious and time-consuming if all possible combinations of source and geometry data were tabulated and compared to an unknown measurement.
Patent Abstract: 
LLNL scientists have developed an approach for full spectrum analysis during gamma ray spectrometry using a spectral library signature created from a large amount of spectral data. The signature can be compared to unknown spectral measurements for the identification of previously unknown nuclear material.
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