Abstract
The 62Ni(p, γ) 63Cu reaction has been studied in the proton energy range E p = 1.9–2.4 MeV. Using a three-crystal pair spectrometer, γ-ray spectra of primary transitions have been measured throughout this proton energy interval in steps of about 4 keV. An average γ-ray spectrum was formed by adding all the individual spectra after proper adjustment as a result of the alterations in proton energy. From the average intensities of the primary γ-rays the γ-ray strength function for energies between 5 and 8 MeV was deduced. It was found that the values of the γ-ray strength function, in the region investigated, display a much steeper slope than the giant dipole resonance predicts.
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