Abstract

Excitation functions for the 54Fe(p, γ) 55Co reaction have been recorded in the energy region E p = 1100–1760 keV. The decay schemes and branching ratios of ten resonances have been investigated. Angular distributions of primary γ-rays have been measured for three resonances to establish resonance spins. Resonance strengths for six resonances and gamma widths for three resonances have been determined. The isobaric analogues of the ground ( J π = 7 2 −) and 1919 keV J π = 3 2 −) states of the parent nucleus 55Fe have been identified at 4722 and 6712 keV respectively in 55Co. The Coulomb displacement energies of the observed analogue pairs (0–4722 keV) and (1919–6712 keV) have been obtained. The strengths of the possible analogue-antianalogue transitions for the proton capture state at E p = 1679 keV have also been determined.

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