Abstract

The total ($p, n$) reaction cross section for $^{55}\mathrm{Mn}$ has been measured as a function of proton energy in the energy range 1.35 to 5.42 MeV with fine resolution (\ensuremath{\sim}5 keV). Several strong isobaric analog resonances have been located in the excitation function. The excitation function, averaged over a 200 keV energy interval has been compared with the optical model, Hauser-Feshbach, and Hauser-Feshbach-Moldauer calculations. The strong isobaric analog resonance at ${E}_{p}\ensuremath{\sim}1.54$ MeV has been shape analyzed to extract the proton width ${\ensuremath{\Gamma}}_{p}$, the spreading width $W$, the spectroscopic factor, and the reduced normalization.NUCLEAR REACTIONS $^{55}\mathrm{Mn}(p, n)$, ${E}_{p}=1.35\ensuremath{-}5.42$ MeV; measured $\ensuremath{\sigma}(E)$; optical model and Hauser-Feshbach analysis, isobaric analog resonance analysis.

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