Abstract
We have measured excitation functions for the 20Ne(α, α′)20Ne and 23Na(p, α)20Ne reactions in the energy ranges corresponding to, respectively, 17.85-21.67 and 19.35-20.65 MeV of excitation in 24Mg, that is in the region of the sub-Coulomb resonances in 24Mg observed in the 12C + 12C reactions. By using statistical analysis techniques we have determined the energies of possible quasibound states in 24Mg responsible for the deviations from the average trends in the above excitation functions and compared them to the energies of known sub-Coulomb resonances in 24Mg. The comparison speaks in favour of interpreting the simple structures associated with the resonances as alpha-like configurations in the 24Mg continuum.
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