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Title: Gamma ray spectroscopy employing divalent europium-doped alkaline earth halides and digital readout for accurate histogramming

Patent ·
OSTI ID:1237855
; ; ;

According to one embodiment, a scintillator radiation detector system includes a scintillator, and a processing device for processing pulse traces corresponding to light pulses from the scintillator, where the processing device is configured to: process each pulse trace over at least two temporal windows and to use pulse digitization to improve energy resolution of the system. According to another embodiment, a scintillator radiation detector system includes a processing device configured to: fit digitized scintillation waveforms to an algorithm, perform a direct integration of fit parameters, process multiple integration windows for each digitized scintillation waveform to determine a correction factor, and apply the correction factor to each digitized scintillation waveform.

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
Patent Number(s):
9,255,995
Application Number:
14/525,112
OSTI ID:
1237855
Resource Relation:
Patent File Date: 2014 Oct 27
Country of Publication:
United States
Language:
English

References (14)

Potentials of Digitally Sampling Scintillation Pulses in Timing Determination in PET journal October 2009
Europium Activated Strontium Iodide Scintillators patent March 1968
Digital peak detector for radiation detection systems patent October 2002
Method and apparatus for improving resolution in spectrometers processing output steps from non-ideal signal sources patent July 2003
Method and apparatus for improving resolution in spectrometers processing output steps from non-ideal signal sources patent June 2006
Cesium and lithium-containing quaternary compound scintillators patent February 2010
Gamma ray spectroscopy employing divalent europium-doped alkaline earth halides and digital readout for accurate histogramming patent November 2014
Method and apparatus for the detection of neutrons and gamma rays patent-application December 2004
Scintillator crystals, method for making same, use thereof patent-application September 2006
Pulse shape discrimination method and apparatus for high-sensitivity radioisotope identification with an integrated neutron-gamma radiation detector patent-application December 2007
Method for Energy Calculation and Pileup Determination for Continuously Sampled Nuclear Pulse Processing patent-application March 2009
Barium Iodide and Strontium Iodide Crystals and Scintillators Implementing the Same patent-application February 2010
Strontium Halide Scintillators, Devices and Methods patent-application October 2010
Radiation detection system including a plurality of scintillators having different light yields and method of using the same patent-application August 2011

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