Full Scale Coated Fiber Neutron Detector Measurements
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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.
Coated Fiber Neutron Detector Test
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Author :
language : en
Publisher:
Release Date : 2009
Coated Fiber Neutron Detector 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 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. Reported here are the results of tests of the 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).
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.
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 Neutron flux categories.
Novel Neutron Detector For N N Scattering Length Measurement
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Author : Eva Wilcox
language : en
Publisher:
Release Date : 2005
Novel Neutron Detector For N N Scattering Length Measurement written by Eva Wilcox and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Crosstalk categories.
The neutron-neutron (n-n) scattering length is a fundamental parameter in nuclear physics; however, measurements are plagued with large uncertainties caused by neutron detector cross talk. Many experimentalists also rely upon computer code to calibrate their neutron detectors. Experiments give one of two different numbers but there is still no adequate explanation for this discrepancy. We have developed a new neutron detector expressly for the purpose of improving the n-n scattering length measurement. It offers two important advantages: 1) minimal cross talk and 2) high counting efficiency. We calibrated the detector from 1 MeV to 6 MeV at 1 MeV increments. We have shown that the computer code, MCNP, does not always give the correct detector efficiency, and that reliance upon this code for calibration could be a large factor for error in previous experiments. Preliminary tests show no cross talk between two like detectors and suggest that these detectors in a n-n scattering length measurement.
Elements Of Slow Neutron Scattering
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Author : J. M. Carpenter
language : en
Publisher: Cambridge University Press
Release Date : 2015-09-24
Elements Of Slow Neutron Scattering written by J. M. Carpenter and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-09-24 with Science categories.
This book provides a comprehensive and up-to-date introduction to the fundamental theory and applications of slow-neutron scattering.
Measurement And Detection Of Radiation
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Author : Nicholas Tsoulfanidis
language : en
Publisher: CRC Press
Release Date : 2015-04-24
Measurement And Detection Of Radiation written by Nicholas Tsoulfanidis and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-04-24 with Medical categories.
A Sound Introduction to Radiation Detection and Measurement for Newcomers to Nuclear Science and Engineering Since the publication of the bestselling third edition, there have been advances in the field of radiation detection, most notably in practical applications. Incorporating these important developments, Measurement and Detection of Radiation, Fourth Edition provides the most up-to-date and accessible introduction to radiation detector materials, systems, and applications. New to the Fourth Edition New chapters on nuclear forensics and nuclear medicine instrumentation, covering basic principles and applications as well as open-ended problems that encourage more in-depth research Updated references and bibliographies New and expanded problems As useful to students and nuclear professionals as its popular predecessors, this fourth edition continues to carefully explain the latest radiation detector technology and measurement techniques. It also discusses the correct ways to perform measurements and analyze results following current health physics procedures.
A Fiber Optic Neutron Detector For A Drive By Scenario
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Author : Harry S. Miley
language : en
Publisher:
Release Date : 1999
A Fiber Optic Neutron Detector For A Drive By Scenario written by Harry S. Miley and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with categories.
Efficiency And Spatial Resolution Measurements Of A Modular Neutron Detector In The Kinetic Energy Range 15 To 120 Mev
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Author : G. Betti
language : en
Publisher:
Release Date : 1975
Efficiency And Spatial Resolution Measurements Of A Modular Neutron Detector In The Kinetic Energy Range 15 To 120 Mev written by G. Betti and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with categories.