Thermal Neutron Spectrum Measurement By Foil Activation

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Thermal Neutron Spectrum Measurement By Foil Activation

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Author : Higino Herrera Ibarra
language : en
Publisher:
Release Date : 1966

Thermal Neutron Spectrum Measurement By Foil Activation written by Higino Herrera Ibarra and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Neutrons categories.

Thermal Neutron Spectrum Measurements By Foil Activation

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Author : Stanford University. Department of Mechanical Engineering. Nuclear Engineering Division
language : en
Publisher:
Release Date : 1967

Thermal Neutron Spectrum Measurements By Foil Activation written by Stanford University. Department of Mechanical Engineering. Nuclear Engineering Division and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with categories.

The Measurement Of Thermal Neutron Spectra In Heterogeneous Lattices By Foil Activation

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Author : Gregg Woodford Dixon
language : en
Publisher:
Release Date : 1970

The Measurement Of Thermal Neutron Spectra In Heterogeneous Lattices By Foil Activation written by Gregg Woodford Dixon and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Lattices categories.

Foils

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Author : W. C. Morgan
language : en
Publisher:
Release Date : 1964

Foils written by W. C. Morgan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with Graphite categories.

Measurement Of Neutron Spectrum Age And Diffusion Length In Concrete

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Author : Gene M. Lim
language : en
Publisher:
Release Date : 1967

Measurement Of Neutron Spectrum Age And Diffusion Length In Concrete written by Gene M. Lim and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with categories.

Activation foil detectors were used to measure the fast-neutron spectrum, slowing-down age, and thermal-diffusion length in concrete. The neutron source was a uranium fission plate placed in the graphite thermal column of the University of Virginia Reactor. Experimental concrete slabs were placed in the concrete biological shield of the reactor so that the medium was essentially infinite in the lateral direction. Indium, magnesium, and aluminum threshold foils were used to map the fast flux; indium, gold, tungsten, and manganese resonance foils to measure the neutron age; and indium and gold foils to measure the thermal neutron distribution. The fast spectrum retains essentially the fission shape with a slight dip in the 3- to 5-MeV range. The measured ages are essentially the same, l49 cm to the indium, gold, and tungsten resonances and 126 sq cm to the manganese resonances. The thermal diffusion length was measured as 6.0 plus or minus 0.5 cm. (Author).

Neutron Spectrum Determinations At Low Flux Levels

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Author : Paul Kruger
language : en
Publisher:
Release Date : 1960

Neutron Spectrum Determinations At Low Flux Levels written by Paul Kruger and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with Gamma rays categories.

Neutron flux measurements have been made (1)2 of low-level neutron sources present in several types of neutron-producing facilities. The flux levels or distribution of thermal, epithermal, and fast neutrons have been measured in radioisotope sources, spent fuel element gamma irradiation facilities, and electron linear accelerators. Sensitivities greater than 1 neutron per sq cm per sec have been achieved for thermal neutrons. Neutron flux measurements may be made by several methods (2). Foil activation (3) is a convenient and simple technique. The foils containing materials of known cross-section are exposed to the neutrons, and the flux determinations are made by measurement of the induced activities in the irradiated foils. This technique is widely used for measuring neutron fluxes and spectra in nuclear reactors and critical facilities where the neutron fluxes are large (106 to 1014 neutrons per sq cm per sec). To measure neutron fluxes of smaller magnitude, such as those found in isotope sources, gamma irradiation facilities, or outside reactor shielding (1⁄4106 neutrons per sq cm per sec), special foil dosimetry techniques or counting methods are required to obtain sufficient sensitivity for the radioactivity measurements. The theoretical and experimental considerations for neutron detectors of high sensitivity and several programs in which these detectors were used are discussed.

Measurement Of Neutron Flux Spectra In A Tungsten Benchmark By Neutron Foil Activation Method

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Author : Cezar Ciprian Negoita
language : en
Publisher:
Release Date : 2004

Measurement Of Neutron Flux Spectra In A Tungsten Benchmark By Neutron Foil Activation Method written by Cezar Ciprian Negoita and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.

The Energy Spectrum Of Leakage Neutrons From A Homogeneous Reactor

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Author : R. C. Rohr
language : en
Publisher:
Release Date : 1951

The Energy Spectrum Of Leakage Neutrons From A Homogeneous Reactor written by R. C. Rohr and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1951 with Indium categories.

Proceedings Of The Brookhaven Conference On Neutron Thermalization Experimental Aspects Of Transient And Asymptotic Phenomena

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Author : Brookhaven National Laboratory
language : en
Publisher:
Release Date : 1962

Proceedings Of The Brookhaven Conference On Neutron Thermalization Experimental Aspects Of Transient And Asymptotic Phenomena written by Brookhaven National Laboratory and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Neutrons 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.