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Title: High efficiency proportional neutron detector with solid liner internal structures

Patent ·
OSTI ID:1149999
; ;

A tube-style neutron detector, a panel-style neutron detector incorporating a plurality of tube-style neutron detectors, and a panel-style neutron detector including a plurality of anode wires are provided. A plurality of channels is provided in a neutron detector such that each channel has an inner surface of a coating layer including a neutron-absorbing material. A wire anode is provided at end of each channel so that electrons generated by a charged daughter particle generated by a neutron are collected to detect a neutron-matter interaction. Moderator units can be incorporated into a neutron detector to provide improved detection efficiencies and/or to determine neutron energy spectrum. Gas-based proportional response from the neutron detectors can be employed for special nuclear material (SNM) detection. This neutron detector can provide similar performance to .sup.3He-based detectors without requiring .sup.3He and without containing toxic, flammable, or high-pressure materials.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-00OR22725
Assignee:
UT-Battelle, LLC (Oak Ridge, TN)
Patent Number(s):
8,796,634
Application Number:
13/408,343
OSTI ID:
1149999
Country of Publication:
United States
Language:
English

References (2)

New cathode design boron lined proportional counters for neutron area monitoring application
  • Dighe, Priyamvada M.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 575, Issue 3, p. 461-465 https://doi.org/10.1016/j.nima.2007.03.013
journal June 2007
Boron-lined proportional counters with improved neutron sensitivity
  • Dighe, P. M.; Prasad, D. N.; Prasad, K. R.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 496, Issue 1, p. 154-161 https://doi.org/10.1016/S0168-9002(02)01635-2
journal January 2003

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Related Subjects

46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY