Elastic alpha-scattering of 112Sn and 124Sn at astrophysically relevant energies

Details Elastic alpha-scattering of 112Sn and 124Sn at astrophysically relevant energies Elastic alpha-scattering of 112Sn and 124Sn at astrophysically relevant energies

2005-05-27

arxiv.org/abs/astro-ph/0505556v1

Phys.Rev. C71 (2005) 065802

Astronomy and Astrophysics

Astrophysics

20 pages, 10 figures, accepted for publication in Phys. Rev. C

Scientific paper

10.1103/PhysRevC.71.065802

The cross sections for the elastic scattering reactions {112,124}Sn(a,a){112,124}Sn at energies above and below the Coulomb barrier are presented and compared to predictions for global alpha-nucleus potentials. The high precision of the new data allows a study of the global alpha-nucleus potentials at both the proton and neutron-rich sides of an isotopic chain. In addition, local alpha-nucleus potentials have been extracted for both nuclei, and used to reproduce elastic scattering data at higher energies. Predictions from the capture cross section of the reaction 112Sn(a,g)116Te at astrophysically relevant energies are presented and compared to experimental data.

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