Integrated neutron-gamma radiation detector with adaptively...

Details Integrated neutron-gamma radiation detector with adaptively... Integrated neutron-gamma radiation detector with adaptively...

2007-12-03

2009-12-01

Hannaher, Constantine (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Neutron responsive means

C250S36100C, C250S370050, C250S367000

Reexamination Certificate

active

07626178

ABSTRACT:
An integrated radiation detector having a pulse-mode operating photosensor optically coupled to a gamma sensing element and a neutron sensing element is disclosed. The detector includes pulse shape and processing electronics package that uses an analog to digital converter (ADC) and a charge to digital converter (QDC) to determine scintillation decay times and classify radiation interactions by radiation type. The pulse shape and processing electronics package determines a maximum gamma energy from the spectrum associated with gamma rays detected by the gamma sensing element to adaptively select a gamma threshold for the neutron sensing element. A light pulse attributed to the neutron sensing element is a valid neutron event when the amplitude of the light pulse is above the gamma threshold.

REFERENCES:
patent: 4829185 (1989-05-01), Kerff
patent: 2005/0023479 (2005-02-01), Grodzins
patent: 2006/0138340 (2006-06-01), Ianakiev et al.
patent: 2007/0029493 (2007-02-01), Kniss et al.
patent: 2007/0272874 (2007-11-01), Grodzins

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