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Fast Neutron Cross Section Measurements Progress Report
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Book Synopsis Fast Neutron Cross Section Measurements . Progress Report by :
Download or read book Fast Neutron Cross Section Measurements . Progress Report written by and published by . This book was released on 1991 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this report, we outline the progress achieved in two distinct under the DOE-sponsored cross section project: the initial results obtained from the pulsed 14 MeV neutron facility, and a cooperative effort with Argonne National Laboratory in the measurement of fast neutron cross sections in yttrium. In the 14 MeV neutron laboratory, this year has seen the maturation of the project into one in which initial scattering measurements are now underway. We have improved the accelerator and ion source in several significant ways, so that neutron intensities have now been proven to be adequate for our series of elastic scattering angular distribution measurements outlined in our initial proposal of two years ago. We have successfully tested all components of the time-of-flight spectrometer and recorded initial neutron spectra from the ring targets that we have obtained for our first angular distribution measurements. Examples of the time-of-flight spectra that have been obtained are given later in this report. At the present time, the accelerator is operating with the highest degree of reliability that we have experienced since installing the pulsing system. Improvements made over the past year have not only increased the available neutron intensity, but also increased our capability to deal with inevitable component failures that require repair or replacement. The measurements carried out in conjunction with Argonne have contributed significantly to the available database on fast neutron interactions in yttrium. Results indicate that the cross section for the 89 Y(n, p)89Sr reaction is substantially higher than represented in ENDF/B-VI.
Book Synopsis Absolute Measurement of Neutron Cross Sections. Progress Report by :
Download or read book Absolute Measurement of Neutron Cross Sections. Progress Report written by and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The procedures and status of the absolute measurement of the neutron capture cross sections for 115In and 232Th are described. Work on the 239Pu fission fragment anisotropy and absolute measurement of the fast neutron fission cross section for 233U are briefly described. Progress in establishing the 14 MeV neutron measurements at the facility are discussed. (WHK).
Book Synopsis (Fast Neutron Cross Section Measurements). by :
Download or read book (Fast Neutron Cross Section Measurements). written by and published by . This book was released on 1991 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this report, we outline the progress achieved in two distinct under the DOE-sponsored cross section project: the initial results obtained from the pulsed 14 MeV neutron facility, and a cooperative effort with Argonne National Laboratory in the measurement of fast neutron cross sections in yttrium. In the 14 MeV neutron laboratory, this year has seen the maturation of the project into one in which initial scattering measurements are now underway. We have improved the accelerator and ion source in several significant ways, so that neutron intensities have now been proven to be adequate for our series of elastic scattering angular distribution measurements outlined in our initial proposal of two years ago. We have successfully tested all components of the time-of-flight spectrometer and recorded initial neutron spectra from the ring targets that we have obtained for our first angular distribution measurements. Examples of the time-of-flight spectra that have been obtained are given later in this report. At the present time, the accelerator is operating with the highest degree of reliability that we have experienced since installing the pulsing system. Improvements made over the past year have not only increased the available neutron intensity, but also increased our capability to deal with inevitable component failures that require repair or replacement. The measurements carried out in conjunction with Argonne have contributed significantly to the available database on fast neutron interactions in yttrium. Results indicate that the cross section for the 89 Y(n, p)89Sr reaction is substantially higher than represented in ENDF/B-VI.
Book Synopsis Conference on Neutron Cross Section Technology by : P. B. Hemmig
Download or read book Conference on Neutron Cross Section Technology written by P. B. Hemmig and published by . This book was released on 1966 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neutron Cross Sections and Technology by : David T. Goldman
Download or read book Neutron Cross Sections and Technology written by David T. Goldman and published by . This book was released on 1968 with total page 680 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fast Neutron Cross Section Measurements. Final Technical Report, March 1, 1987--September 30, 1995 by :
Download or read book Fast Neutron Cross Section Measurements. Final Technical Report, March 1, 1987--September 30, 1995 written by and published by . This book was released on 1997 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt: The time-of-flight technique was used with the ring scattering geometry in a laboratory with low neutron scattering background to measure the angular distributions of the cross sections for elastic and inelastic scattering of 14 MeV neutrons in natural chromium, iron, nickel, and niobium. Specifically for inelastic scattering included were: the 1.43 MeV and 4.56 MeV levels of 52Cr, the 0.85 MeV level, and (2.94-3.12) MeV and (4.46-4.51) MeV level groups of 56Fe, the 1.33 MeV level of 6°Ni combined with the 1.45 MeV level of 58Ni, and the 4.48 MeV level of 58Ni. Pulses of neutrons with time width of 0.9-1.1 ns were produced via the 3H(d, n)4He reaction in a 150 keV Cockcroft-Walton linear accelerator, with average intensities of 9x108 n/s. The energy of the incident neutrons was between 14.75 MeV (at 16°) and 13.48 MeV (at 160°). High purity scattering ring samples were used. The scattering angles ranged from (almost equal to)16° to (almost equal to)150°, for iron, chromium, and nickel, and from (almost equal to)16° to (almost equal to)160° for niobium, with a typical step of (almost equal to)10°. High purity ring samples were used.
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1975 with total page 1146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Precision Neutron Cross Section Measurements in Support of the LMFBR Program. Progress Report for July 1, 1974--September 30, 1974 by :
Download or read book Precision Neutron Cross Section Measurements in Support of the LMFBR Program. Progress Report for July 1, 1974--September 30, 1974 written by and published by . This book was released on 1974 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Final Report of the Fast Neutron Data Project by : Bernard Taub Feld
Download or read book Final Report of the Fast Neutron Data Project written by Bernard Taub Feld and published by . This book was released on 1951 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Nuclear Engineering by : Dan Gabriel Cacuci
Download or read book Handbook of Nuclear Engineering written by Dan Gabriel Cacuci and published by Springer Science & Business Media. This book was released on 2010-09-14 with total page 3701 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is an authoritative compilation of information regarding methods and data used in all phases of nuclear engineering. Addressing nuclear engineers and scientists at all levels, this book provides a condensed reference on nuclear engineering since 1958.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1993 with total page 654 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Precision Neutron Cross Section Measurements in Support of the LMFBR Program. Progress Report, October 1, 1974--December 31, 1974 by :
Download or read book Precision Neutron Cross Section Measurements in Support of the LMFBR Program. Progress Report, October 1, 1974--December 31, 1974 written by and published by . This book was released on 1974 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fast Neutron Cross Section Measurement System and Results by : Dale W. Glasgow
Download or read book Fast Neutron Cross Section Measurement System and Results written by Dale W. Glasgow and published by . This book was released on 1973 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: A system has been designed and constructed for high accuracy neutron cross section measurements using pulsed beam time-of-flight techniques. The detection system has been used to obtain neutron scattering cross sections for Al, Si, Fe, Ni, and Co at 9.0 MeV incident neutron energy and to obtain a survey of neutron scattering by Carbon from 7 to 9 MeV incident energy. The cross sections have a normalization uncertainty or accuracy of about 5%, precision of 2-3% for strongly excited groups, and a precision of 5-10% for weakly excited groups. The report presents detailed design criteria for the detection system, and a description of detector shielding constructed for the measurements. It also contains a study of the data corrections which most strongly influence the accuracy of results. (Modified author abstract).
Book Synopsis Neutron Cross Section Measurements Using Pulsed Sources by :
Download or read book Neutron Cross Section Measurements Using Pulsed Sources written by and published by . This book was released on 1965 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Precision Neutron Cross Section Measurements in Support of the LMFBR Program. Annual Progress Report, 1 July 1974--30 June 1975 by :
Download or read book Precision Neutron Cross Section Measurements in Support of the LMFBR Program. Annual Progress Report, 1 July 1974--30 June 1975 written by and published by . This book was released on 1975 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement and Analysis of Neutron Cross Sections with the Oak Ridge Linear Accelerator Neutron Facility. Progress Report, April 1, 1980-March 31, 1981. [Physics Dept., SUNY Albany]. by :
Download or read book Measurement and Analysis of Neutron Cross Sections with the Oak Ridge Linear Accelerator Neutron Facility. Progress Report, April 1, 1980-March 31, 1981. [Physics Dept., SUNY Albany]. written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The research involved the measurement, analysis, and interpretation of high-resolution neutron total and capture cross sections in the neutron energy range of few eV to few hundred keV with many nuclei. The extensive measurements of total and capture cross section in many nuclei (64Zn, 66Zn, 67Zn, 68Zn, 7°Zn, 57Fe, 58Fe) have been analyzed with an R-matrix multilevel multichannel code for the total cross section and LSFIT code for the capture cross sections. The results of these analyses have been reported. The measurements of total and capture cross section in nuclei also provide valuable data for nucleosynthesis of elements, and a better understanding of the neutron interaction with nuclei. These measurements in certain nuclei are equally important for their application in the reactor design. Some effort was also spent in modifying various computer programs of data transfer, and area and shape analysis of neutron total cross section data. Research results are sketched, and references are given to completed papers.
Book Synopsis ERDA Energy Research Abstracts by : United States. Energy Research and Development Administration
Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration and published by . This book was released on with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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