The 144Sm-α optical potential at astrophysically relevant energies derived from 144Sm(α,α)144Sm elastic scattering
Abstract
For the determination of the 144Sm-α optical potential we measured the angular distribution of 144Sm(α,α)144Sm scattering at the energy Elab = 20 MeV with high accuracy. Using the known systematics of α-nucleus optical potentials we are able to derive the 144Sm-α optical potential at the astrophysically relevant energy Ec.m. = 9.5 MeV with very limited uncertainties.
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