Shielded source detection and activity correction system

Details Shielded source detection and activity correction system Shielded source detection and activity correction system

2011-02-15

2011-02-15

Porta, David P (Department: 2884)

Radiant energy

Calibration or standardization methods

Reexamination Certificate

active

07888631

ABSTRACT:
The method of analyzing the measured radiation spectra to estimate the identified nuclide activities using a designated efficiency calibration based on average expected geometry and using spectral characteristics to flag significant shielding that would otherwise skew said nuclide activities (FIG.5). And providing an estimation of activity correction factor or attenuation factor for each affected nuclide (200).

REFERENCES:
patent: 5076993 (1991-12-01), Sawa et al.
patent: 6448564 (2002-09-01), Johnson et al.
patent: 7462837 (2008-12-01), Russ
patent: 2003/0165213 (2003-09-01), Maglich
Canberra Industries, Inc., Optional Genie-VMS Peak Search Programs, 2001, p. 1.

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