Boron Lined Neutron Detector Measurements
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Boron Lined Neutron Detector Measurements
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Author :
language : en
Publisher:
Release Date : 2009
Boron Lined Neutron Detector Measurements written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
Radiation portal monitors used for interdiction of illicit materials at borders include highly sensitive neutron detection systems. The main reason for having neutron detection capability is to detect fission neutrons from plutonium. The currently deployed radiation portal monitors (RPMs) from Ludlum and Science Applications International Corporation (SAIC) use neutron detectors based upon 3He-filled gas proportional counters, which are the most common large neutron detector. There is a declining supply of 3He in the world, and thus, methods to reduce the use of this gas in RPMs with minimal changes to the current system designs and sensitivity to cargo-borne neutrons are being investigated. Four technologies have been identified as being currently commercially available, potential alternative neutron detectors to replace the use of 3He in RPMs. Reported here are the results of tests of a newly designed boron-lined proportional counter option. This testing measured the neutron detection efficiency and gamma ray rejection capabilities of a system manufactured by Reuter Stokes.
Boron Lined Multichamber And Conventional Neutron Proportional Counter Tests
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Author :
language : en
Publisher:
Release Date : 2010
Boron Lined Multichamber And Conventional Neutron Proportional Counter Tests written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
Radiation portal monitors used for interdiction of illicit materials at borders include highly sensitive neutron detection systems. The main reason for having neutron detection capability is to detect fission neutrons from plutonium. The currently deployed radiation portal monitors (RPMs) from Ludlum and Science Applications International Corporation (SAIC) use neutron detectors based upon 3He-filled gas proportional counters, which are the most common large neutron detector. There is a declining supply of 3He in the world, and thus, methods to reduce the use of this gas in RPMs with minimal changes to the current system designs and sensitivity to cargo-borne neutrons are being investigated. Four technologies have been identified as being currently commercially available, potential alternative neutron detectors to replace the use of 3He in RPMs. These technologies are: 1) Boron trifluoride (BF3)-filled proportional counters, 2) Boron-lined proportional counters, 3) Lithium-loaded glass fibers, and 4) Coated non-scintillating plastic fibers. In addition, a few other companies have detector technologies that might be competitive in the near term as an alternative technology. Reported here are the results of tests of a boron-lined, multichamber proportional counter manufactured by LND, Inc. Also reported are results obtained with an earlier design of conventional, boron-lined, proportional counters from LND. This testing measured the required performance for neutron detection efficiency and gamma-ray rejection capabilities of the detectors.
Full Scale Coated Fiber Neutron Detector Measurements
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Author :
language : en
Publisher:
Release Date : 2010
Full Scale Coated Fiber Neutron Detector Measurements written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
Radiation portal monitors used for interdiction of illicit materials at borders include highly sensitive neutron detection systems. The main reason for having neutron detection capability is to detect fission neutrons from plutonium. The currently deployed radiation portal monitors (RPMs) from Ludlum and Science Applications International Corporation (SAIC) use neutron detectors based upon 3He-filled gas proportional counters, which are the most common large neutron detector. There is a declining supply of 3He in the world, and thus, methods to reduce the use of this gas in RPMs with minimal changes to the current system designs and sensitivity to cargo-borne neutrons are being investigated. Four technologies have been identified as being currently commercially available, potential alternative neutron detectors to replace the use of 3He in RPMs. These technologies are: 1) Boron trifluoride (BF3)-filled proportional counters, 2) Boron-lined proportional counters, 3) Lithium-loaded glass fibers, and 4) Coated non-scintillating plastic fibers. Reported here are the results of tests of the full-scale 6Li/ZnS(Ag)-coated non-scintillating plastic fibers option. This testing measured the required performance for neutron detection efficiency and gamma ray rejection capabilities of a system manufactured by Innovative American Technology (IAT) and Saint Gobain, and is a follow-up report to an earlier one on a smaller prototype system.
Boron Lined Multitube Neutron Proportional Counter Test
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Author :
language : en
Publisher:
Release Date : 2010
Boron Lined Multitube Neutron Proportional Counter Test written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
Radiation portal monitors used for interdiction of illicit materials at borders include highly sensitive neutron detection systems. The main reason for having neutron detection capability is to detect fission neutrons from plutonium. The currently deployed radiation portal monitors (RPMs) from Ludlum and Science Applications International Corporation (SAIC) use neutron detectors based upon 3He-filled gas proportional counters, which are the most common large neutron detector. There is a declining supply of 3He in the world, and thus, methods to reduce the use of this gas in RPMs with minimal changes to the current system designs and sensitivity to cargo-borne neutrons are being investigated. Four technologies have been identified as being currently commercially available, potential alternative neutron detectors to replace the use of 3He in RPMs. These technologies are: 1) Boron trifluoride (BF3)-filled proportional counters, 2) Boron-lined proportional counters, 3) Lithium-loaded glass fibers, and 4) Coated non-scintillating plastic fibers. In addition, a few other companies have detector technologies that might be competitive in the near term as an alternative technology. Reported here are the results of tests of a boron-lined,?multitube? proportional counter manufactured by Centronic Ltd. (Surry, U.K. and Houston, TX). This testing measured the required performance for neutron detection efficiency and gamma-ray rejection capabilities of the detector.
Literature Search On Neutron Detectors
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Author : Frances L. Sachs
language : en
Publisher:
Release Date : 1951
Literature Search On Neutron Detectors written by Frances L. Sachs and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1951 with Neutrons categories.
Evaluation Of A Boron Lined Neutron Detector
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Author : B. M. Van der Ende
language : en
Publisher:
Release Date : 2014
Evaluation Of A Boron Lined Neutron Detector written by B. M. Van der Ende and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
Measurement Of Neutron Flux And Spectra For Physical And Biological Applications
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Author : National Committee on Radiation Protection and Measurements (U.S.)
language : en
Publisher:
Release Date : 1960
Measurement Of Neutron Flux And Spectra For Physical And Biological Applications written by National Committee on Radiation Protection and Measurements (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with Neutrons categories.
Summary Of Neutron Measurement Methods
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Author : Herman Lunden Miller
language : en
Publisher:
Release Date : 1962
Summary Of Neutron Measurement Methods written by Herman Lunden Miller and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Gamma rays categories.
The Absolute Measurement Of Thermal Neutron Density
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Author : H. L. Anderson
language : en
Publisher:
Release Date : 1947
The Absolute Measurement Of Thermal Neutron Density written by H. L. Anderson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1947 with Boron trifluoride categories.
A Thermal Neutron Velocity Selector And Its Application To The Measurements Of The Cross Section Of Boron
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Author : Enrico Fermi
language : en
Publisher:
Release Date : 1947
A Thermal Neutron Velocity Selector And Its Application To The Measurements Of The Cross Section Of Boron written by Enrico Fermi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1947 with Boron categories.