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Neutron capture cross sections of Gd148 and the decay of Gd149

M. G. Rios1,*, R. J. Casperson1,†, K. S. Krane1, and E. B. Norman2,‡

  • 1Department of Physics, Oregon State University, Corvallis, Oregon 97331, USA
  • 2Nuclear Science Division, Lawrence Berkeley Laboratory, Berkeley, California 94720, USA

  • *Present address: Advanstar Communications, Eugene, OR 99401.
  • †Present address: Department of Physics, Yale University, New Haven, CT 06520-8120.
  • ‡Present address: Lawrence Livermore National Laboratory, Livermore, CA 94550.
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Phys. Rev. C 74, 044302 – Published 4 October, 2006

DOI: https://doi.org/10.1103/PhysRevC.74.044302

Abstract

The thermal cross section and resonance integral were measured for radiative neutron capture by radioactive Gd148. The deduced values are σ=9600±900 b and I=28,200±2300. We also deduced upper limits for the n,p and n, α cross sections, respectively, 0.25 b and 13 b. The γ-ray spectrum from the decay of Gd149 was studied in singles mode at high resolution to verify the previously determined energies and intensities. From the latter measurements, new transitions are proposed and upper limits are deduced for previously reported transitions.

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Phys. Rev. C 74, 044302– Published 4 October, 2006
  • Received 12 September 2005

© 2006 American Physical Society

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