INFLUENCE OF THE EMITTER COULOMB FIELD ON 2-PROTON CORRELATION-FUNCTIONS

The experimental two-proton correlation functions measured in Ar-36 Sc-45, at 80 MeV/nucleon have been compared with predictions of a new three-body quantum model which includes the Coulomb interaction of the particles with their emitter. For a realistic charge of the source, i ts Coulomb field strongly influences the shape of the correlation func tion leading to a significant reduction of the source radius deduced i n the two-body approximation. The differences in the shape of the corr elation function observed between the data and theoretical results hig hlight the limits of a static picture of the source and the importance of dynamical correlations.