Natural chromium and $sup 52$Cr neutron elastic and inelastic scattering cross sections from 4.07 to 8.56 MeV

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Measured neutron elastic and inelastic scattering cross sections for natural chromium between 4.07 and 8.56 MeV and for /sup 52/Cr between 6.44 and 8.56 MeV are presented and compared with the elasti c differertial cross sections of Holmqvist and Wiedling and with ENDF/B MAT 1121. The elastic scattering differertial cross sections are in fair agreemert with those of Holmqvist and Wiedling. The angle-integrated differertial elastic scattering cross sections are systematically higher by as much as 17% than those of Holmqvist and Wiedling above 4.6 MeV, a situation simtlar to that found in comparing the two sets of data for other … continued below

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45 pages

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Kinney, W. E. & Perey, F. G. January 1, 1974.

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Measured neutron elastic and inelastic scattering cross sections for natural chromium between 4.07 and 8.56 MeV and for /sup 52/Cr between 6.44 and 8.56 MeV are presented and compared with the elasti c differertial cross sections of Holmqvist and Wiedling and with ENDF/B MAT 1121. The elastic scattering differertial cross sections are in fair agreemert with those of Holmqvist and Wiedling. The angle-integrated differertial elastic scattering cross sections are systematically higher by as much as 17% than those of Holmqvist and Wiedling above 4.6 MeV, a situation simtlar to that found in comparing the two sets of data for other elemerts. The ENDF/B III MAT 1121 elastic angnlar distributions are found to be in poor agreement with experimental results from 4 to 8.5 MeV, though the ENDF/B III MAT 1121 angleintegrated differenti al elastic scattering cross sections agree within experimental uncertainties with the results over this energy range. An evaporation model of inelastic scattering is found to be of questionable validity if applied to levels in the residual,nucleus of excitation energy less than 6 MeV. (auth)

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45 pages

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  • Other Information: Orig. Receipt Date: 30-JUN-74

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  • January 1, 1974

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Kinney, W. E. & Perey, F. G. Natural chromium and $sup 52$Cr neutron elastic and inelastic scattering cross sections from 4.07 to 8.56 MeV, report, January 1, 1974; Oak Ridge, Tennessee. (https://digital.library.unt.edu/ark:/67531/metadc1017536/: accessed April 25, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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