EPJ Web of Conf.
Volume 284, 202315th International Conference on Nuclear Data for Science and Technology (ND2022)
|Number of page(s)||4|
|Section||Integral Experiments and Validation|
|Published online||26 May 2023|
Use of nickel sphere and copper cube with 252Cf neutron source in the centre for test of nuclear data libraries ENDF/B-VII.1, ENDF/B-VIII.0, JEFF- 3.3, BROND- 3.1
1 Research Centre Rez, 250 68 Husinec - Rez, Czech Republic
2 Nuclear Safety Institute of the Russian Academy of Science, Moscow, Russia
* Corresponding author: firstname.lastname@example.org
Published online: 26 May 2023
The leakage neutron spectrum measurements have been done on benchmark spherical assembly-nickel sphere with a diameter of 50 cm and a copper cube (block) with dimensions of 49.5 x 49.5 x 48 cm3 in Research Centre Rez (RC Rez). The 252Cf neutron source was placed into the centre of nickel sphere and copper cube. The proton recoil method was used for the neutron spectrum measurement using spherical hydrogen proportional detectors (HPD) with pressure of 400 and 1000 kPa (diameter of detectors is 4 cm) and scintillation stilbene (ST) detector (diam. of 1 x 1 cm). The neutron energy range of spectrometer is from 0.04 MeV to 1.3 MeV for HPD and from 1 MeV to 12 MeV for ST. The adequate MCNP neutron spectrum calculations based on data libraries ENDF/B-VII.1, ENDF/B-VIII.0, JEFF-3.3, BROND-3.1 were done and compared with the experiment, i.e., calculation to experiment ratio C/E was determined.
© The Authors, published by EDP Sciences, 2023
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