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Measurement Of Neutron Flux Spectra In A Tungsten Benchmark By Neutron Foil Activation Method
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Book Synopsis Measurement of Neutron Flux Spectra in a Tungsten Benchmark by Neutron Foil Activation Method by : Cezar Ciprian Negoita
Download or read book Measurement of Neutron Flux Spectra in a Tungsten Benchmark by Neutron Foil Activation Method written by Cezar Ciprian Negoita and published by . This book was released on 2004 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of Neutron Flux Spectra in a Tungsten Benchmark by Neutron Foil Activation Method by :
Download or read book Measurement of Neutron Flux Spectra in a Tungsten Benchmark by Neutron Foil Activation Method written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Committee on Radiation Protection and Measurements (U.S.) Publisher : ISBN 13 : Total Pages :104 pages Book Rating :4.:/5 (37 download)
Book Synopsis Measurement of Neutron Flux and Spectra for Physical and Biological Applications by : National Committee on Radiation Protection and Measurements (U.S.)
Download or read book Measurement of Neutron Flux and Spectra for Physical and Biological Applications written by National Committee on Radiation Protection and Measurements (U.S.) and published by . This book was released on 1960 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A High-energy Neutron Flux Spectra Measurement Method for the Spallation Neutron Source by : Nicholas Patrick Luciano
Download or read book A High-energy Neutron Flux Spectra Measurement Method for the Spallation Neutron Source written by Nicholas Patrick Luciano and published by . This book was released on 2012 with total page 157 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goal of this work was to develop a foil activation method to measure high-energy (1--120 MeV) neutron flux spectra at the Spallation Neutron Source by researching the scientific literature, assembling an experimental apparatus, performing experiments, analyzing the results, and refining the technique based on experience. The primary motivation for this work is to provide a benchmark for the neutron source term used in target station and shielding simulations Two sets of foil irradiations were performed, one at the ARCS beamline and one at the POWGEN beamline. The gamma radiation of the foil activation products was measured with a high purity germanium gamma-ray spectrometer, and the product reaction rates during irradiation were quantified. Corrections, such as self-shielding factors, were applied to the measurements to account for particular effects. The corrected measurement data, along with calculated response functions and an initial guess spectrum, were input to the MAXED neutron spectrum unfolding computer code. MAXED uses the maximum entropy method to unfold an output spectrum that is the minimally modied guess spectrum consistent with the measurement data. The foil irradiation and subsequent analysis from the ARCS spectrum produced a reasonable neutron spectrum, which noticeably differed from the initial guess spectrum. This measurement is regarded as consistent, but yet unverified. The gamma-ray spectrum of the foil irradiation at the POWGEN beamline showed no high-energy activation. This is regarded as an experimental error, and no conclusions can be drawn about the high-energy neutron spectrum. Future foil irradiations are planned to verify and expand the neutron spectrum measurements.
Book Synopsis Neutron Flux Spectra Determination by Foil Activation, Volume I.n Advanced Foil Activation Method of Determining Neutron Flux Spectra Or Radiation Effects Studies by : W. N. McElroy
Download or read book Neutron Flux Spectra Determination by Foil Activation, Volume I.n Advanced Foil Activation Method of Determining Neutron Flux Spectra Or Radiation Effects Studies written by W. N. McElroy and published by . This book was released on 1965 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: The qualitative aspects of the activation technique of neutron flux spectral determination are well known. The quantitative aspects are not so well known. In part, the failure of correlation and subsequent understanding of neutron radiation effect studies is attributed to a lack of adequate knowledge about the form of neutron environments. An Advanced Activation Method of Neutron Flux Spectral Determination based on the use of updated and more accurate cross section data and activation measurements is presented. This method will permit the definition of neutron flux spectral forms with increased accuracy for radiation effect studies. The results of error analysis studies on methods of foil activity data reduction and requirements on the accuracy of activation detector cross section data and activity measurements are presented and discussed. The appendixes of this volume contain tabulated data that are necessary for the performance of Step I of the advanced method of foil activation data reduction. Volume II of this report presents and discusses the updated evaluated cross section data. Volume III discusses the computer code required for the performance of Step II of the advanced method. Volume IV presents the results of Tory II-C flux spectral measurements using the advanced method of data reduction. (Author).
Book Synopsis Reactor Dosimetry State Of The Art 2008 - Proceedings Of The 13th International Symposium by : Wim Voorbraak
Download or read book Reactor Dosimetry State Of The Art 2008 - Proceedings Of The 13th International Symposium written by Wim Voorbraak and published by World Scientific. This book was released on 2009-08-19 with total page 761 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives the state of the art in the field of reactor dosimetry as applied in nuclear power plants and research reactors. Surveillance programs are presented for nuclear power plants in Europe, including Russia and Ukraine, USA, Argentina and Korea. New cross-section measurements from most of the European, American and Japanese research reactors are reported. The latest developments in computer code development for radiation transport and shielding calculations, and radiation measurement techniques are also highlighted.
Book Synopsis Neutron Flux Spectra Determination by Foil Activation. Volume Ii. Experiental and Evaluated Cross Section Library of Selected Reactions by : R. C. Barrall
Download or read book Neutron Flux Spectra Determination by Foil Activation. Volume Ii. Experiental and Evaluated Cross Section Library of Selected Reactions written by R. C. Barrall and published by . This book was released on 1965 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: A survey was made of nuclear reactions which may be used in measuring neutron flux spectra and fluence. An important application of these data is the determination of neutron flux spectra and fluence for application to radiation effects studies (including dose to tissue). Published microscopic cross section data for 28 reactions have been compiled and are shown graphically. The evaluation of the microscopic data is shown by a line through the data. A tabulation of the evaluated cross section library is provided. Measured values of the resonance integral for selected reactions are reviewed and compared with resonance integrals calculated using the evaluated cross section library. The effects of 0.508, 1.016, and 2.032 mm thick cadmium are discussed. Average cross sections for boron-10 covered foils are calculated. The average cross sections of the 28 reactions in a fission spectrum is calculated. (Author).
Book Synopsis Generalized Foil Activation Method of Determining Neutron Flux-spectra for Radiation Effects Studies by : William Nordell McElroy
Download or read book Generalized Foil Activation Method of Determining Neutron Flux-spectra for Radiation Effects Studies written by William Nordell McElroy and published by . This book was released on 1965 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Computer-automated Iterative Method for Neutron Flux Spectra Determination by Foil Activation. Volume Ii. Sand Ii (spectrum Analysis by Neutron Detectors Ii) and Associated Codes by : S. Berg
Download or read book A Computer-automated Iterative Method for Neutron Flux Spectra Determination by Foil Activation. Volume Ii. Sand Ii (spectrum Analysis by Neutron Detectors Ii) and Associated Codes written by S. Berg and published by . This book was released on 1967 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Computer-automated Iterative Method for Neutron Flux Spectra Determination by Foil Activation. Volume 1. a Study of the Iterative Method by : W. N. McElroy
Download or read book A Computer-automated Iterative Method for Neutron Flux Spectra Determination by Foil Activation. Volume 1. a Study of the Iterative Method written by W. N. McElroy and published by . This book was released on 1967 with total page 125 pages. Available in PDF, EPUB and Kindle. Book excerpt: A multiple foil activation iterative method has been developed to determine neutron flux spectra. A computer code (SAND II) has been written which provides a 'best fit' neutron differential flux spectrum for a given input set of infinitely dilute foil activities. The results of experimental and analytical studies for a wide variety of neutron environments strongly suggest that, in addition to determining neutron flux spectra, the multiple foil activation iterative method can be helpful in (1) the validation and improvement of calculational techniques used to predict flux spectra; (2) upgrading of confidence in neutron spectrometer measurements; (3) determining the reliability of foil activity measurements methods; (4) assessing material scattering/ absorption effects; and (5) examining current foil detector cross section evaluations to provide guidance for re-evaluation for these data, and eventual 'unfolding' of the absolute differential form of cross sections for any foil reactions producing a detectable product.
Book Synopsis A Computer-automated Iterative Method for Neutron Flux Spectra Determination by Foil Activation. Volume Iv. Reference Spectrum Library for Sand Ii by : W. N. McElroy
Download or read book A Computer-automated Iterative Method for Neutron Flux Spectra Determination by Foil Activation. Volume Iv. Reference Spectrum Library for Sand Ii written by W. N. McElroy and published by . This book was released on 1967 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Method for Determining Neutron Flux Spectra from Activation Measurements by : Sven R. Hartmann (1/Lt. USAF.)
Download or read book A Method for Determining Neutron Flux Spectra from Activation Measurements written by Sven R. Hartmann (1/Lt. USAF.) and published by . This book was released on 1957 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Computer-automated Iterative Method for Neutron Flux Spectra Determination by Foil Activation. Volume Iii. Reference Cross Section Library for Sand Ii by : W. N. McElroy
Download or read book A Computer-automated Iterative Method for Neutron Flux Spectra Determination by Foil Activation. Volume Iii. Reference Cross Section Library for Sand Ii written by W. N. McElroy and published by . This book was released on 1967 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Two-plate Method of Measuring Fast Neutron Energy Spectra when the Direction of the Incident Neutrons Cannot be Determined by : John E. Evans
Download or read book The Two-plate Method of Measuring Fast Neutron Energy Spectra when the Direction of the Incident Neutrons Cannot be Determined written by John E. Evans and published by . This book was released on 1952 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of High-energy Neutron Fluxes and Spectra Around the J-PARC Mercury Spallation Neutron Target Using Multi-foil Activation Method by :
Download or read book Measurement of High-energy Neutron Fluxes and Spectra Around the J-PARC Mercury Spallation Neutron Target Using Multi-foil Activation Method written by and published by . This book was released on 2016 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis TUD/FNG Measurement of Neutron and Photon Flux Spectra in the FNG Tungsten Assembly by : K. Seidel
Download or read book TUD/FNG Measurement of Neutron and Photon Flux Spectra in the FNG Tungsten Assembly written by K. Seidel and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neutron Field Measurements in Phantom with Foil Activation Methods by : Victor V. Verbinski
Download or read book Neutron Field Measurements in Phantom with Foil Activation Methods written by Victor V. Verbinski and published by . This book was released on 1986 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt: The threshold neutron-foil spectrometry method, utilizing the SAND II spectrum unfolding code, was evaluated by carrying out a measurement in the standard fission source facility, simultaneous with six (6) in-phantom measurements of neutron spectra. The foil spectrometry was done with the full set of threshold foils, mid-thorax in ER1, where a 2 in. lead wall separated reactor and phantom. A five-foil set was utilized for the phantom mid-head and phantom hip measurements in ER1, as well as for mid-thorax, mid-head and hip in ER2, free field. Calculations of the mid-thorax and mid-head spectra in ER1 and ER2 were carried out, with the source term normalized to nickel foil activations at the reactor entrance window. A simple 5-foil perturbation method for neutron dosimetry, utilizing hand calculations, was developed and evaluated for the ER1 and ER2 spectra. It appears to be the order of 6 percent accurate versus 3-4 percent for SAND II, which utilizes the best (calculated) a prior data available for spectral shape information. Keywords: Dosimetry; Neutron measurements; Radiation effects(humans); Threshold foil.
