Determination Of Neutron Capture Cross Sections And Resonance Parameters For Vanadium And The Isotopes Of Tellurium Progress Report June 1 1975 November 30 1975 PDF Download
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Release | : 1975 |
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Download Determination of Neutron Capture Cross Sections and Resonance Parameters for Vanadium and the Isotopes of Tellurium. Progress Report, June 1, 1975--November 30, 1975 Book in PDF, ePub and Kindle
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).
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Total Pages | : 912 |
Release | : 1976-04 |
Genre | : Nuclear energy |
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Author | : United States. Energy Research and Development Administration |
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Total Pages | : 772 |
Release | : 1976 |
Genre | : Medicine |
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Author | : United States. Energy Research and Development Administration. Technical Information Center |
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Total Pages | : 588 |
Release | : 1976 |
Genre | : Force and energy |
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Author | : Valentine Korah |
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Total Pages | : 2354 |
Release | : 1994 |
Genre | : Antitrust law |
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Author | : United States. Energy Research and Development Administration |
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Total Pages | : 780 |
Release | : 1976 |
Genre | : Power resources |
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Total Pages | : 256 |
Release | : 1976 |
Genre | : Science |
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Total Pages | : 870 |
Release | : 1976 |
Genre | : Government reports announcements & index |
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Release | : 1976 |
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Download Determination of Neutron Cross Sections and Resonance Parameters for Vanadium, the Stable Thallium Isotopes, and the Stable Tellurium Isotopes. Progress Report, December 1, 1975--September 30, 1976 Book in PDF, ePub and Kindle
The analysis of both capture and total cross section data for /sup 205/Tl + n has been completed up to 100 keV and 250 keV for capture and total respectively. The earlier reported dependence of average total radiative width on parity has been confirmed. A sharp increase in the neutron single particle strength is observed at 50 keV. This behavior of the reduced widths is interpreted in terms of intermediate structure. The V(n, .gamma.) analysis is essentially complete up to 125 keV incident neutron energy, and a paper is in preparation. Considerable effort has been expended to estimate the sensitivity of the capture detection system to neutrons scattered and subsequently captured in the detector environs. This work has already yielded much needed information about the capture facility at ORELA and will be continued. No new information is reported for the Te(n, .gamma.) project.
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Total Pages | : 1522 |
Release | : 1976 |
Genre | : Science |
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