Download or read book Thermal Neutron Capture Cross Sections of Tellurium Isotopes written by and published by . This book was released on 2004 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: New values for thermal neutron capture cross sections of the tellurium isotopes 122Te, 124Te, 125Te, 126Te, 128Te, and 130Te are reported. These values are based on a combination of newly determined partial g-ray cross sections obtained from experiments on targets contained natural Te and gamma intensities per capture of individual Te isotopes. Isomeric ratios for the thermal neutron capture on the even tellurium isotopes are also given.
Download or read book Thermal Neutron Capture Cross Sections of Isotopes written by H. Pomerance and published by . This book was released on 1952 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Thermal Neutron Cross Sections for Elements and Isotopes H Bi written by Katharine Way and published by . This book was released on 1948 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Thermal Neutron Activation Cross Sections written by L. Seren and published by . This book was released on 1944 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Neutron Capture Cross Sections and the S process written by and published by . This book was released on 1967 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Neutron Cross Sections of Tellurium written by Clifford J. Heindl and published by . This book was released on 1959 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Thermal Neutron Absorption Cross Sections for Separated Isotopes written by H. S. Pomerance and published by . This book was released on 1948 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Determination of Neutron Capture Cross Sections and Resonance Parameters for Vanadium and the Isotopes of Tellurium Progress Report June 1 1975 November 30 1975 written by and published by . This book was released on 1975 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Analysis of $sup 51$V(n, $gamma$) data taken at the forty-meter flight station at the Oak Ridge Electron Accelerator has been essentially completed over the neutron energy (laboratory) range 2.5-100 keV. Resonance parameters for some seventy-five resonances have been extracted. In particular, radiative widths not previously measured have been obtained for many resonances above 50 keV. Data analysis will be continued at least up to neutron energy 150 keV. As part of our continuing study of mass-dependent behavior of resonance parameters, a continuing interest in the astrophysical applications of (n, $gamma$) cross sections, and as a test of recent modifications to our analysis computer codes, data analysis (begun before the initiation of this contract) of $sup 205$Tl (n, $gamma$) and $sup 205$Tl (n, x) data was continued. This work is now essentially completed over the neutron energy range 2.5-100 keV. Departures from predictions of the statistical model for the resonance parameters have been observed. After considerable effort, it has been concluded that the Denison computer system is not adequate for certain aspects of the required data analysis. Alternate approaches to enable data analysis to be done during the academic year at Denison are being considered. The analysis of the Te(n, $gamma$) data is barely under way and will be the primary focus of efforts over the coming year. However, the tellurium (n, $gamma$) data (for mass numbers 122, 124, 125, 126, 128 and 130) have been processed from the time-of-flight form to effective cross section and a normalization to a recent natural tellurium (n, $gamma$) measurement has been completed. (auth).
Download or read book Determination of Neutron Cross Sections and Resonance Parameters for Vanadium the Stable Thallium Isotopes and the Stable Tellurium Isotopes Progress Report October 1 1976 October 31 1977 written by and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The analysis of the neutron capture cross section data for 51V + n has now been completed up to 215 keV. Using a few neutron widths and spin and parity assignments from the literature, the capture data has yielded estimates of radiative widths for 45 s-wave resonances and capture areas for 139 resonances. Of particular interest is the very large s-wave radiative widths for this reaction and the rather broad distribution of radiative widths. A paper describing these results is included with this report. The analysis of the neutron capture cross sections for the reaction 2°5Tl(n, .gamma.) is presently being extended to incident neutron energy 115 keV. The study of the scattered-beam sensitivity of the total energy detectors at the ORELA capture facility continues. This small but troublesome effect has now been parameterized, but the errors to be assigned to the parameterization are not yet well defined. However, in obtaining additional data for the parameterization, a series of 2°8Pb(n, .gamma.) cross section measurements were made. The analysis of these data led to results important in understanding stellar nucleosynthesis and are reported in a paper included with this report. the analysis of the Te(n, .gamma.) data proceeds methodically but slowly.
Download or read book Capture Cross Sections for Fast Neutrons written by D. J. Hughes and published by . This book was released on 1949 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Determination of Neutron Cross Sections and Resonance Parameters for the Stable Tellurium Isotopes for Thallium 205 for the Osmium Isotopes and for Uranium 238 Progress Report March 1 1979 November 1 1979 Denison Univ Granville Ohio written by and published by . This book was released on 1979 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Measurements of neutron capture and total cross sections for 186Os, 187Os, and 188Os, neutron inelastic scattering cross sections for 187Os and 238U, and total cross sections for 32S + n are reported. This report is administrative in nature, with few data. 7 figures. (RWR).
Download or read book Determination of Neutron Cross Sections and Resonance Parameters for the Osmium Isotopes 186 187 and 188 2 5Tl 32S the Stable Tellurium Isotopes and of the 82 KeV Inelastic Cross Section for 238U Progress Report November 1 1979 September 30 1980 Denison Univ Granville Ohio written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Research relating to nuclear physics, astrophysics, and reactor technology was carried out. The nucleon-nuclear interaction was elucidated by demonstration of connection between the resonance structure revealed by high-energy-resolution neutron cross section measurements and the average nuclear potential. Measurements of the capture cross sections of the isotopes of osmium have made possible the most reliable estimate of the age of the chemical elements so far achieved. Finally, measurements were made of the 238U inelastic neutron scattering cross section near 82 keV (near the peak of the fast reactor neutron spectrum) and the capture cross sections of 1°1Ru, 1°3Rh and 1°5Pd isotopes, which, because of their high fission yields and large capture cross sections, are important poisons in fast reactors. This report is administrative in nature, and contains only isolated data.
Download or read book Neutron Cross Sections written by S Mughabghab and published by Elsevier. This book was released on 2012-12-02 with total page 847 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neutron Cross Sections, Volume 1: Neutron Resonance Parameters and Thermal Cross Sections, Part A represents the fourth edition of what was previously known as BNL-325, Neutron Cross Sections, Volume 1. This three-chapter book provides the extensive list of detailed individual resonance parameters for each isotope. The first chapter deals with the thermal cross sections and average resonance parameters, as well as the physics of thermal and resonance neutrons, with particular emphasis on evaluation methods. This chapter also includes tables of standards of capture cross sections and scattering lengths, and commonly used nuclear physics formulas. The second chapter covers the direct or valence capture and the Brink-Axel treatment of electric dipole radiation. These topics are followed by a discussion on spin-dependent scattering lengths that are of interest to solid state. The third chapter describes the Maxwellian 30-keV capture cross sections that are of importance to studies of nucleosynthesis and age of the universe. This chapter also examines the s- and p-wave average radiative widths and gamma-ray strength functions that are required in capture cross section measurements. This book will appeal to nuclear and astrophysicists.
Download or read book Thermal Neutron Capture Cross Sections of Natural Li and the Separated Isotope Li6 written by Norman Earl Banks and published by . This book was released on 1962 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Neutron Capture Cross Section of Erbium Isotopes written by Raymond F. Barnes and published by . This book was released on 1954 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book New Aspects in the Evaluation of Thermal Neutron Cross Sections written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Because of recent advances in experimental techniques, which improved the accuracies of thermal capture and scattering cross sections by an order of magnitude, a more stringent approach in the evaluation of the thermal constants is developed. In the present approach, the following aspects are introduced: (1) a consistency between thermal cross sections, coherent and incoherent scattering lengths, and neutron resonance parameters is achieved; (2) a consistency between the isotopic and element cross sections is sought; in addition, for each isotope, the requirement that the partial cross sections add up to the total is fulfilled; (3) where possible, charged particle data particularly derived from (d, p) reactions on light and medium weight isotopes are used in locating the positions and strengths of bound levels. Such a procedure is useful in the evaluation of the shape of the cross sections in the thermal region; and (4) the Lane-Lynn theory of direct capture is called upon to calculate thermal cross sections and check for consistencies for certain isotopes. Extensive examples to illustrate these procedures are presented.
Download or read book Thermal Neutron Capture Cross Sections of 68Ge and 148Gd written by Maribel Gómez Rios and published by . This book was released on 1999 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt:
