Strong coupling effects in proton scattering from ⁸He

Mackintosh, R. S. and Keeley, N. (2010). Strong coupling effects in proton scattering from ⁸He. Physical Review C, 81(3) pp. 1–15.

DOI: https://doi.org/10.1103/PhysRevC.81.034612

Abstract

We present dynamic polarization potentials (DPPs), due to both neutron and neutron-pair pickup coupled reaction channels, contributing to the proton-nucleus interaction for the case of ⁸He at 15.66 MeV/nucleon, 25 MeV/nucleon and 61.3 MeV/nucleon. The available elastic scattering and transfer data were fitted in coupled reaction channels (CRC) calculations that allowed full inter-partition couplings. In addition, the contributions with various different combinations of coupled reaction channels were considered; we show that this can throw light on the non-locality of the underlying DPP, for which we determine the local and L-independent equivalent.

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