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The measurements of neutron Fermi Age for selected Nuclear Reactor shielding materials using the Indium foil technique
Iraqi Journal of Physics
The Neutron Fermi Age, t, and the neutron slowing down density, q (r, t) , have been measured for some materials such as Graphite and Iron by using gamma spectrometry system UCS-30 with NaI (Tl) detector. This technique was applied for Graphite and Iron materials by using Indium foils covered by Cadmium and the measurements done at the Indium resonance of 1.46 eV. These materials are exposed to a plane 241Am/Be neutron source with recent activity 38 mCi. The measurements of the Fermi Age weredoi:10.30723/ijp.v11i22.349 fatcat:wtba2gcukfftzmngm52n73nfuq