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Parameters of the 132 ev Neutron Resonance in Co53

A. P. Jain, R. E. Chrien, J. A. Moore, H. Palevsky

Nuclear Science and Engineering

Volume 17 / Number 3 / November 1963 / Pages 319-324


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An accurate determination of the parameters of the resonance excited by the interaction of 132 ev neutrons with the Co59 target nucleus has been made, using the fast choppers at Brookhaven National Laboratory in the United States and Chalk River Laboratory in Canada. Neutron transmission through thick and thin samples resulted in the following parameters: In addition, measurements of the resonance capture γ-ray intensity gave the value for the radiation width #x0413;γ = 0.40 ± 0.04 ev. based on the known thermal capture cross section of cobalt of 37.5 barns. The reduced and total resonance capture integrals are calculated from the above parameters to be 50.5 ± 5.5 and 67.C ± 5 5 barns, respectively. The above results are compared with previously determined resonance parameters and also with direct measurements of the total resonance capture integral.

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