Abstract
High-energy γ-rays following neutron capture at thermal energies and at the 1.46, 3.86, 9.12, 12.1, 23.0, 39.9 and (46.3+48.6) eV resonances in natural In are examined. Details of the level structure of 116In are deduced and the partial radiation widths of primary transitions determined. The neutron separation energy is found to be 6781±3 keV. Strength functions are derived E1 and M1 transitions. The E1 strength is found to remain constant and the M1 strength to decrease with γ-ray energy from 5.2 to 6.7 MeV.
Published Version
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