A remeasurement of the 12C(α, γ0) excitation function in the vicinity of the 12.44 and 13.1 MeV levels of 16O

The excitation function of the ${}^{12}\text{C(α, γ}{}_0\text{)}$ reaction at θ = 90° has been remeasured for bombarding energies between 6.5 and 8.5 MeV. The measurement was made to resolve discrepancies apparent in earlier measurements relating to the absolute cross section, the location of the lower 1^? resonance near 7.05 MeV (¹⁶O excitation energy 12.44 MeV) and to the relative peak cross sections of this resonance and a second 1^? resonance at 7.88 MeV.