Findings reveal discrepancies in theoretical predictions for alpha-induced reactions on cobalt isotopes, suggesting improvements in the computational model.
A comparative study of alpha-induced reactions on cobalt isotope with the predictions by COMPLET code is presented for nine excitation functions, 59Co(α,p5n)57Ni, 59Co (α,p6n)56Ni, 59Co(α,2pn)60Co, 59Co(α,3pn)59Fe, 59Co(α,αn)58Co, 59Co(α,α2n)57Co, 59Co(α,α3n)56Co, 59Co(α,2αn)54Mn, and 59Co(α,2α3n)52Mn. The experimental values were taken from the EXFOR data base. Theoretical cross-sections were calculated using initial exciton number n0 = 4 (4p0h) and level density parameter a (=ACN/10) globally. While several reactions showed excellent agreement with experimental data, others displayed a notable discrepancy. This is because of the limitations of the COMPLET code to take the alpha emission in a pre-equilibrium phase.
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Mekonen et al. (2025) studied this question.
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