Abstract
A set of global [Formula: see text]He phenomenological optical model potential (OMP) parameters with incident energies up to 250[Formula: see text]MeV is obtained. They are based on a smooth, unique functional form for the energy dependence of the potential depths, and on physically constrained geometry parameters. The available experimental data including the reaction cross-sections and elastic scattering angular distributions from target [Formula: see text]Li to [Formula: see text]Bi are used. The global OMP parameters obtained for [Formula: see text]He are analyzed and used to calculate the reaction for [Formula: see text]He projectile. It is found that the present form of the global OMP can reproduce the experimental data for [Formula: see text]He and [Formula: see text]He projectiles.
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