MEASUREMENT OF TOTAL CROSS SECTIONS OF CARBON AND URAN ON FILTERED NEUTRONS BEAMS OF 54 KEV AND 148 KEV AT DALAT NUCLEAR REACTOR
Abstract
Neutron filter technique is an effective tool to create the quasi-monoenergetic neutrons. Determination of total neutron cross sections and resonance parameters in the energy range from tens keV to hundreds keV is very important of the basic nuclear research, shielding, calculations and designs for fast reactors. A transmission neutron system using a proton-recoil counter of LND-281 has been established on the horizontal channel of No.4 at the Dalat Research Nuclear Reactor. Total neutron cross sections of C and U were measured on filtered neutron beams of 54 keV and 148 keV with the accuracy less than 2.5%. The obtained results are in good agreement with those of the other authors and evaluated data from ENDF/B-VII.
Keywords
Neutron filter technique; Total neutron cross section; Proton-recoil counter
DOI: http://dx.doi.org/10.37569/DalatUniversity.3.3&4.256(2013)
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