Abstract
Total neutron cross section measurements have been made on metallic samples of Ti, Zr, and Hf with the MTR crystal spectrometer. The Ti cross section was measured in the energy region 0.025 to 45 ev and values of 4.19 ± 0.04 b and 6.09 ± 0.13 b were obtained for the bound atom scattering and 2200 meters/sec absorption cross sections. The Zr cross section was measured in the energy region 0.02 to 78 ev and a value of 6.40 ± 0.07 b was obtained for the bound atom scattering cross section. The Hf cross section was measured from 0.04 to 3.5 ev and a value of 102 ± 3 b for the 2200 m/sec absorption cross section is reported. Energy values of 1.095 ± 0.005 ev and 2.378 ± 0.016 ev were determined for the peak cross sections of the first two Hf resonances. Values of σ0 = 6030 ± 80 b, Γ = 0.068 ± 0.001 ev and gΓn = 0.163 ± 0.003 mv were obtained for the 1.095 ev resonance.
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