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Abstract Supplementing the optical model potential by a repulsive core Vc allows to model ALAS in alpha particle scattering. Motivated by recent discussions, an analytical soliton formfactor is used for Vc that may be interpreted as a ” storage for kinetic energy in compressed nuclear matter. Computed angular distributions agree nicely with experiment thus furnishing support for such a parameterization and the value for the two systems a I2C and a 160 respectively. |