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Title: Detection system for high-resolution gamma radiation spectroscopy with neutron time-of-flight filtering

Abstract

A .gamma.-radiation detection system that includes at least one semiconductor detector such as HPGe-Detector, a position-sensitive .alpha.-Detector, a TOF Controller, and a Digitizer/Integrator. The Digitizer/Integrator starts to process the energy signals of a .gamma.-radiation sent from the HPGe-Detector instantly when the HPGe-Detector detects the .gamma.-radiation. Subsequently, it is determined whether a coincidence exists between the .alpha.-particles and .gamma.-radiation signal, based on a determination of the time-of-flight of neutrons obtained from the .alpha.-Detector and the HPGe-Detector. If it is determined that the time-of-flight falls within a predetermined coincidence window, the Digitizer/Integrator is allowed to continue and complete the energy signal processing. If, however, there is no coincidence, the Digitizer/Integrator is instructed to be clear and reset its operation instantly.

Inventors:
; ;
Issue Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1166754
Patent Number(s):
8,921,801
Application Number:
13/343,294
Assignee:
Brookhaven Science Associates, LLC (Upton, NY)
DOE Contract Number:  
AC02-98CH10886
Resource Type:
Patent
Resource Relation:
Patent File Date: 2012 Jan 04
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY

Citation Formats

Dioszegi, Istvan, Salwen, Cynthia, and Vanier, Peter. Detection system for high-resolution gamma radiation spectroscopy with neutron time-of-flight filtering. United States: N. p., 2014. Web.
Dioszegi, Istvan, Salwen, Cynthia, & Vanier, Peter. Detection system for high-resolution gamma radiation spectroscopy with neutron time-of-flight filtering. United States.
Dioszegi, Istvan, Salwen, Cynthia, and Vanier, Peter. Tue . "Detection system for high-resolution gamma radiation spectroscopy with neutron time-of-flight filtering". United States. https://www.osti.gov/servlets/purl/1166754.
@article{osti_1166754,
title = {Detection system for high-resolution gamma radiation spectroscopy with neutron time-of-flight filtering},
author = {Dioszegi, Istvan and Salwen, Cynthia and Vanier, Peter},
abstractNote = {A .gamma.-radiation detection system that includes at least one semiconductor detector such as HPGe-Detector, a position-sensitive .alpha.-Detector, a TOF Controller, and a Digitizer/Integrator. The Digitizer/Integrator starts to process the energy signals of a .gamma.-radiation sent from the HPGe-Detector instantly when the HPGe-Detector detects the .gamma.-radiation. Subsequently, it is determined whether a coincidence exists between the .alpha.-particles and .gamma.-radiation signal, based on a determination of the time-of-flight of neutrons obtained from the .alpha.-Detector and the HPGe-Detector. If it is determined that the time-of-flight falls within a predetermined coincidence window, the Digitizer/Integrator is allowed to continue and complete the energy signal processing. If, however, there is no coincidence, the Digitizer/Integrator is instructed to be clear and reset its operation instantly.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2014},
month = {12}
}

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Works referenced in this record:

Gamma-ray imaging with a coaxial HPGe detector
journal, November 2005

  • Niedermayr, T.; Vetter, K.; Mihailescu, L.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 553, Issue 3, p. 501-511
  • DOI: 10.1016/j.nima.2005.07.017

Measurement of 14 MeV neutron-induced prompt gamma-ray spectra from 15 elements found in cargo containers
journal, April 2008