Neutron Cross Sections for Zirconium

Abstract
The inelastic neutron cross section for the excitation of the 930-kev level in zirconium has been measured as a function of neutron energy between 0.9 and 2.2 Mev. The de-excitation gamma radiation has been observed with a single-crystal NaI(Tl) spectrometer. Isotopic assignment of the observed level is still uncertain. The total cross section for zirconium has been measured for neutrons with energies between 0.7 and 1.2 Mev, using a hydrogen recoil counter in a good-geometry transmission experiment. Some correlation between inelastic and total cross sections has been observed.

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