The 106Cd(α, α)106Cd elastic scattering in a wide energy range for γ process studies

Ornelas, Andrea and Kiss, Gábor Gyula and Mohr, Péter and Galaviz, D. and Fülöp, Zsolt and Gyürky, György and Máté, Zoltán and Somorjai, Endre (2015) The 106Cd(α, α)106Cd elastic scattering in a wide energy range for γ process studies. NUCLEAR PHYSICS A, 940. pp. 194-209. ISSN 0375-9474

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Abstract

Alpha elastic scattering angular distributions of the 106Cd(α, α)106Cd reaction were measured at three energies around the Coulomb barrier to provide a sensitive test for the α + nucleus optical potential parameter sets. Furthermore, the new high precision angular distributions, together with the data available from the literature were used to study the energy dependence of the locally optimized α + nucleus optical potential in a wide energy region ranging from ELab = 27.0 MeV down to 16.1 MeV. The potentials under study are a basic prerequisite for the prediction of α-induced reaction cross sections and thus, for the calculation of stellar reaction rates used for the astrophysical γ process. Therefore, statistical model predictions using as input the optical potentials discussed in the present work are compared to the available 106 Cd + alpha cross section data.

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