Abstract
The excitation function for the reaction 56Fe(p, γ) 57Co has been measured in the energy region E p = 1200–3000 keV. The p = 1248,1262 and 1267 keV resonances have been studied. The J π values have been determined as 3 2 − for these resonances, which are believed to form the split analogue of the 14keV state in 57Fe. Gamma-ray branching ratios and resonance strengths of all above mentioned resonances have been studied. The M1 transition strengths to the corresponding antianalogue states have been measured and compared with theoretical predictions. The reaction Q-value and the Coulomb displacement energy are given. The absence of the isobaric analogue resonance corresponding to the ground state in 57Fe is discussed as a result of the present study.
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