Abstract
A natural nickel sample was used at the GELINA (Geel Electron LINear Accelerator) neutron source of the European Commission, Joint Research Centre, Geel to measure the neutron inelastic cross sections. The GAINS (Gamma Array for Inelastic Neutron Scattering) spectrometer was employed to detect the emitted γ rays while a 235U fission chamber monitored the neutron flux. We report the preliminary production cross sections corresponding to the first transitions in 58,60Ni in comparison with previously reported data and with TALYS 1.9 calculations performed using the default input parameters.
Highlights
A natural nickel sample was used at the GELINA (Geel Electron LINear Accelerator) neutron source of the European Commission, Joint Research Centre, Geel to measure the neutron inelastic cross sections
Very precise and reliable neutron inelastic scattering data on structural materials of nuclear reactors is very important for the design and development of these facilities
LINear Accelerator) neutron source [9,10,11] opperated by EC-JRC (European Commission, Joint Research Centre) Geel
Summary
Very precise and reliable neutron inelastic scattering data on structural materials of nuclear reactors is very important for the design and development of these facilities. Our main purpose was to measure the γ-production cross sections of the most important transitions in all the stable isotopes of natural nickel and to calculate (where possible) level and total inelastic cross sections. This paper will present and discuss preliminary results of the γproduction cross sections of the first transitions in 58Ni (Eγ=1454.28 keV) and in 60Ni (Eγ=1332.50 keV). A full publication reporting the production cross section of the other observed transitions is foreseen. For the reported transitions only Voss et al [7] measured cross sections in an extended incident energy range. We will emphasize on the comparison between our results and those of Ref. [7]
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