Abstract
Results of activation Doppler measurements on the U{sup 238} (n,{gamma}) and U{sup 235} (n, fission) reactions in the FR0 and MSCA fast critical assemblies have been compared with theoretical values. The study covers neutron spectra with median fission energies from 50 to 240 keV. The calculated Doppler effect in U{sup 238} in the FR0 cores is 20 - 35 % lower than the measured values. The sensitivity of the theoretical result with regard to changes in cross sections and neutron spectrum has been studied. The theoretical value for U{sup 235} (FR0 core 5) is 4 times higher than the measured one. The report includes a brief description of the DORIX-2 method of calculating effective resonance cross sections appropriate to activation Doppler measurements. References to the cross section data used for the comparisons are also given.
Citation Formats
Haeggblom, H, and Tiren, L I.
A Comparison of Theoretical and Experimental Values of the Activation Doppler Effect in Some Fast Reactor Spectra.
Sweden: N. p.,
1968.
Web.
Haeggblom, H, & Tiren, L I.
A Comparison of Theoretical and Experimental Values of the Activation Doppler Effect in Some Fast Reactor Spectra.
Sweden.
Haeggblom, H, and Tiren, L I.
1968.
"A Comparison of Theoretical and Experimental Values of the Activation Doppler Effect in Some Fast Reactor Spectra."
Sweden.
@misc{etde_20956265,
title = {A Comparison of Theoretical and Experimental Values of the Activation Doppler Effect in Some Fast Reactor Spectra}
author = {Haeggblom, H, and Tiren, L I}
abstractNote = {Results of activation Doppler measurements on the U{sup 238} (n,{gamma}) and U{sup 235} (n, fission) reactions in the FR0 and MSCA fast critical assemblies have been compared with theoretical values. The study covers neutron spectra with median fission energies from 50 to 240 keV. The calculated Doppler effect in U{sup 238} in the FR0 cores is 20 - 35 % lower than the measured values. The sensitivity of the theoretical result with regard to changes in cross sections and neutron spectrum has been studied. The theoretical value for U{sup 235} (FR0 core 5) is 4 times higher than the measured one. The report includes a brief description of the DORIX-2 method of calculating effective resonance cross sections appropriate to activation Doppler measurements. References to the cross section data used for the comparisons are also given.}
place = {Sweden}
year = {1968}
month = {Aug}
}
title = {A Comparison of Theoretical and Experimental Values of the Activation Doppler Effect in Some Fast Reactor Spectra}
author = {Haeggblom, H, and Tiren, L I}
abstractNote = {Results of activation Doppler measurements on the U{sup 238} (n,{gamma}) and U{sup 235} (n, fission) reactions in the FR0 and MSCA fast critical assemblies have been compared with theoretical values. The study covers neutron spectra with median fission energies from 50 to 240 keV. The calculated Doppler effect in U{sup 238} in the FR0 cores is 20 - 35 % lower than the measured values. The sensitivity of the theoretical result with regard to changes in cross sections and neutron spectrum has been studied. The theoretical value for U{sup 235} (FR0 core 5) is 4 times higher than the measured one. The report includes a brief description of the DORIX-2 method of calculating effective resonance cross sections appropriate to activation Doppler measurements. References to the cross section data used for the comparisons are also given.}
place = {Sweden}
year = {1968}
month = {Aug}
}