An Evaluation Of Uranium 235 Neutron Cross Section Data For Energies Above 15 Kev PDF Download
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Total Pages | : 20 |
Release | : 1970 |
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Download An Evaluation of Uranium-235 Neutron Cross Section Data for Energies Above 15 Kev Book in PDF, ePub and Kindle
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Total Pages | : |
Release | : 1970 |
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Download AN EVALUATION OF 235U NEUTRON CROSS SECTION DATA FOR ENERGIES ABOVE 15 KeV. Book in PDF, ePub and Kindle
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Total Pages | : 88 |
Release | : 2000 |
Genre | : Cross sections (Nuclear physics) |
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Download Evaluation of Fission Cross Sections and Covariances 233U, 235U, 238U, 239Pu, 240Pu, and 241Pu Book in PDF, ePub and Kindle
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Total Pages | : 93 |
Release | : 1978 |
Genre | : Neutron cross sections |
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Download Evaluation of the 238U Neutron Cross Sections for Incident Neutron Energies Up to 4 KeV Book in PDF, ePub and Kindle
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Release | : 1988 |
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Download A New Resonance-region Evaluation of Neutron Cross Sections for U-235. [60-100, 450-500 EV]. Book in PDF, ePub and Kindle
This paper describes a multilevel resonance analysis of the 235U neutron cross sections in the resolved resonance energy region. 15 refs., 3 figs., 2 tabs.
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Release | : 1977 |
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Download U-235 Neutron Fission Cross Section from 0. 1 to 20. 0 MeV. Book in PDF, ePub and Kindle
The status of the U-235 fast neutron fission cross section is discussed based primarily on material contributed and considered at the NEANDC/NEACRP Specialists Meeting on Fast Neutron Fission Cross Sections held at Argonne National Laboratory in June 1976. However, some newer measurements and evaluations are discussed as well. Specifically, recent measurements at ANL over the energy range 0.2 to 8.2 MeV, using several BND's, are reported. Data from the last 10 years are found to be in good agreement with an evaluated average of these data. Suggested problem areas are investigated in terms of their actual significance. It is found that the presently suggested version of ENDF/B-V for the U-235 (n, f) cross section does not represent the data base well and a reconsideration is recommended.
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Release | : 1980 |
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Download Evaluation of 235U Neutron Cross Section and Gamma Ray Production Data for ENDF Book in PDF, ePub and Kindle
A discussion is given of the evaluation of neutron and gamma ray production cross sections of 235U from 10−5 eV to 20 MeV and the parts contributed by the author. All available new data are included in this evaluation, and the procedures adopted to assess the experimental data and adopt a set of recommended values are described. 22 figures, 10 tables.
Author | : International Atomic Energy Agency |
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Total Pages | : 140 |
Release | : 1973 |
Genre | : Science |
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Download Neutron Nuclear Data Evaluation Book in PDF, ePub and Kindle
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Release | : 2003 |
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Download NEUTRON TOTAL CROSS SECTIONS OF 235U FROM TRANSMISSION MEASUREMENTS IN THE ENERGY RANGE 2 KeV to 300 KeV AND STATISTICAL MODEL ANALYSIS OF THE DATA. Book in PDF, ePub and Kindle
The average[sup 235]U neutron total cross sections were obtained in the energy range 2 keV to 330 keV from high-resolution transmission measurements of a 0.033 atom/b sample. The experimental data were corrected for the contribution of isotope impurities and for resonance self-shielding effects in the sample. The results are in very good agreement with the experimental data of Poenitz et al. in the energy range 40 keV to 330 keV and are the only available accurate experimental data in the energy range 2 keV to 40 keV. ENDF/B-VI evaluated data are 1.7% larger. The SAMMY/FITACS code was used for a statistical model analysis of the total cross section, selected fission cross sections and[alpha] data in the energy range 2 keV to 200 keV. SAMMY/FITACS is an extended version of SAMMY which allows consistent analysis of the experimental data in the resolved and unresolved resonance region. The Reich-Moore resonance parameters were obtained from a SAMMY Bayesian fits of high resolution experimental neutron transmission and partial cross section data below 2.25 keV, and the corresponding average parameters and covariance data were used in the present work as input for the statistical model analysis of the high energy range of the experimental data. The result of the analysis shows that the average resonance parameters obtained from the analysis of the unresolved resonance region are consistent with those obtained in the resolved energy region. Another important result is that ENDF/B-VI capture cross section could be too small by more than 10% in the energy range 10 keV to 200 keV.
Author | : M. G. Sowerby |
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Total Pages | : 6 |
Release | : 1972 |
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Download The Simultaneous Evaluation of the Fission Cross-sections of U-235, Pu-239 and U-238 and the Capture Cross-section of U-238 in the Energy Range 100 EV to 20 MeV Book in PDF, ePub and Kindle