Folding model with three-body force

Abstract

A folding model for the nucleon-nucleus interaction potential involving a three-body force is presented. Well known models for the nuclear two-body density have been used to derive, under the zero-range approximation, an expression for the two-body effective interaction which includes the three-body force contribution as an additional density dependence. The roles of the centre of mass and Pauli pair correlations in shaping the density dependence of the two-body effective interaction are discussed.