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Cross Sections of the 169Tm(n,γ) Reaction from 2.6 keV to 2 MeV

R. L. Macklin, D. M. Drake, J. J. Malanify, E. D. Arthur, P. G. Young

Nuclear Science and Engineering / Volume 82 / Number 2 / October 1982 / Pages 143-150

Technical Paper / dx.doi.org/10.13182/NSE82-A28697

Neutron capture cross sections have been measured for 169Tm from 3 to 2000 keV at the Oak Ridge Electron Linear Accelerator 40-m station. The data were analyzed for individual resonance parameters up to 4.2 keV. Average strength functions have been deduced. Compound nucleus calculations, made with deformed optical model parameters, agree with experimental cross sections. Our cross sections for lower neutron energies tend to be somewhat less than those from earlier measurements.