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Measurement Of Transport And Inelastic Scattering Cross Sections For Fast Neutrons
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Book Synopsis Measurement of Transport and Inelastic Scattering Cross Sections for Fast Neutrons by : Henry Herman Barschall
Download or read book Measurement of Transport and Inelastic Scattering Cross Sections for Fast Neutrons written by Henry Herman Barschall and published by . This book was released on 1946 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of Transport and Inelastic Scattering Cross Section for Fast Neutrons by :
Download or read book Measurement of Transport and Inelastic Scattering Cross Section for Fast Neutrons written by and published by . This book was released on 1946 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Note on the Small-Angle Elastic Scattering of Fast Neutrons from C, N, and O. by : William P. Bucher
Download or read book A Note on the Small-Angle Elastic Scattering of Fast Neutrons from C, N, and O. written by William P. Bucher and published by . This book was released on 1971 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: The calculation of neutron transport in air requires an accurate knowledge of the neutron cross sections for nitrogen and oxygen. Existing direct measurement of the total elastic cross section for nitrogen is in marked disagreement with the value deduced by taking the difference between the total cross section and the sum of all partial non-elastic cross sections. This discrepancy in the available data indicates an error in the total-elastic measurement of 30% or in the total non-elastic cross section of 50%. A technique to measure differential cross sections for the small-angle (3 degrees to 15 degrees) scattering of fast neutrons has been developed and applied to a study of the scattering of 7.55 and 9.5 MeV neutrons from N, O, and C. Preliminary analysis of measurements obtained thus far show that the forward angle elastic scattering in nitrogen (theta
Book Synopsis Inelastic Cross Sections for Fission Spectrum Neutrons by : Hans Albrecht Bethe
Download or read book Inelastic Cross Sections for Fission Spectrum Neutrons written by Hans Albrecht Bethe and published by . This book was released on 1955 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neutron Cross Sections and Related Measurements by :
Download or read book Neutron Cross Sections and Related Measurements written by and published by . This book was released on 1966 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Transport Analysis of Measured Neutron Leakage Spectra from Spheres as Tests of Evaluated High-energy Cross Sections by : Donald Bogart
Download or read book Transport Analysis of Measured Neutron Leakage Spectra from Spheres as Tests of Evaluated High-energy Cross Sections written by Donald Bogart and published by . This book was released on 1973 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Status of Experimental Neutron Cross Sections for Energies Between 0.5 and 14.5 Mev by : Robert J. Howerton
Download or read book The Status of Experimental Neutron Cross Sections for Energies Between 0.5 and 14.5 Mev written by Robert J. Howerton and published by . This book was released on 1958 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fast-neutron Scattering from Elemental Mo, Sn, Sb, and Te by : A. B. Smith
Download or read book Fast-neutron Scattering from Elemental Mo, Sn, Sb, and Te written by A. B. Smith and published by . This book was released on 1966 with total page 38 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.
Book Synopsis Neutron Cross Sections by : Donald J. Hughes
Download or read book Neutron Cross Sections written by Donald J. Hughes and published by Elsevier. This book was released on 2016-01-22 with total page 193 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neutron Cross Sections presents the principles of cross-section measurement and use, as well as sufficient theory so that the general behavior of cross sections is made understandable. This compilation is a direct result of experiences connected with the collection and evaluation of cross-section data during the past eight years at ""Sigma Centre"", Brookhaven National Laboratory. Here, experimental results received from laboratories throughout the world are carefully evaluated and compiled in the curves and tables of the large volume Neutron Cross Sections, The most recent version of the compilation, known as BNL 325, appeared 1 July 1955, and Supplement 1 to BNL 325 was published on 1 January 1957. The compilation itself consists almost completely of cross sections at specific energies, shown in the form of curves or tables, with only brief explanatory texts. The text opens with discussions of the general properties of cross sections and principles of nuclear structure that are important to the understanding of cross-section behavior. Separate chapters follow that describe specific techniques for measuring cross sections along with experimental results involving fast neutrons, resonance neutrons, resonances in fissionable materials, and thermal neutrons.
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 732 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fast-neutron Scattering from Tantalum, Rhenium, and Platinum by :
Download or read book Fast-neutron Scattering from Tantalum, Rhenium, and Platinum written by and published by . This book was released on 1967 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: The scattering of neutrons with energies of less than or approximately 1.5 MeV from tantalum, rhenium, and platinum was studied experimentally. Elastic and inelastic neutron-scattering angular distributions were determined at incident neutron-energy intervals of less than or approximately 20 keV throughout th range 0.3 to 1.5 MeV. Time-of-flight measurements were made concurrently at eight or more scattering angles between 25 and 155 degrees with sufficient scattered neutron-energy resolution to separate the elastic scattered component from most inelastic scattered neutron groups. Differential inelastic scattering cross sections were observed corresponding to the excitation of various states. The experimental results were compared with calculations based upon the optical model and the Hauser-Feshbach formula inclusive of corrections for resonance-width fluctuations. The experimentally observed level structure is discussed in the context of single-particle and rotational states of deformed nuclei.
Book Synopsis Small-Angle Elastic Scattering of 7.55 and 9.50 MeV Neutrons from C, N, and O. by : William P. Bucher
Download or read book Small-Angle Elastic Scattering of 7.55 and 9.50 MeV Neutrons from C, N, and O. written by William P. Bucher and published by . This book was released on 1971 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt: The calculation of neutron transport in air requires an accurate knowledge of the neutron cross sections for nitrogen and oxygen. Existing direct measurements of the total elastic cross section for nitrogen in the energy range from 6 to 10 MeV are in marked disagreement with the value deduced by taking the difference between the total cross section and the sum of all partial non-elastic cross sections. This discrepancy in the data previously available indicates an error in the total elastic measurement of approximately 30 percent or a 50 percent error in the total non-elastic cross section. A technique to measure differential cross sections for the small-angle (2 degrees to 15 degrees) scattering of fast neutrons has been developed and applied to a study of the scattering of 7.55 and 9.50 MeV neutrons from C, N, and O. The results obtained for nitrogen at 7.55 MeV yield differential cross sections 20 percent to 40 percent higher (at forward angles) than would be inferred from previous measurements and shows that at least 25 percent of the missing cross section should be assigned to the total elastic cross section. (Author).
Book Synopsis Predictions of Fast Neutron Scattering Data with a Diffuse Surface Potential Well by : J. Robert Beyster
Download or read book Predictions of Fast Neutron Scattering Data with a Diffuse Surface Potential Well written by J. Robert Beyster and published by . This book was released on 1957 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Elastic and Inelastic Neutron Cross Sections by : Devereux L. Kavanagh
Download or read book Elastic and Inelastic Neutron Cross Sections written by Devereux L. Kavanagh and published by . This book was released on 1958 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fast Neutron Scattering from Ta181 by : A. B. Smith
Download or read book Fast Neutron Scattering from Ta181 written by A. B. Smith and published by . This book was released on 1963 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: The spectrum of neutrons scattered from tantalum-181 was measured at incident neutron energies ranging from 0.3 to 1.5 Mev. Time-of-flight techniques were employed to resolve the elastically and the inelastically scattered components. The magnitudes of the differential elastic cross sections and of the inelastic excitation functions were determined relative to the known elastic scattering cross section of carbon. The experimental results were compared with those obtained in previous measurements and a qualitative comparison was made with theoretical calculations.
Book Synopsis Fast Neutron Data by : Herman Feshbach
Download or read book Fast Neutron Data written by Herman Feshbach and published by . This book was released on 1950 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
