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Neutron detection using Poisson distribution comparison independent of count rate based on correlation signals

Patent ·
OSTI ID:1471674
;
Embodiments are directed to comparison-based methods of conditionally assessing the excess in correlation of an unknown neutron count measurement compared to the correlation present in a data defined as background, and to providing a technical definition of excess correlation intended to properly handle the measured excess correlation. The degree of correlation between an unknown source and background can be used to prevent masking of neutron count data for the source by background radiation.
Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC52-07NA27344
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA)
Patent Number(s):
10,061,041
Application Number:
14/298,406
OSTI ID:
1471674
Country of Publication:
United States
Language:
English

References (2)

Correlation Analysis with Neutron Count Distributions in Randomly or Signal Triggered Time Intervals for Assay of Special Fissile Materials journal February 1985
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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