(E,E'P) REACTION AND THE TRANSITION TO THE EIKONAL REGIME

The reliability of the models describing the final-state interactions in (e,e'p) scattering at high proton energies is an important issue in view of the experiments planned at CEBAF. One of the most popular app roaches adopted, the Glauber method, involves the linearization of the wave equation for the ejected proton traveling through the residual n ucleus. We have studied the consequences of such an assumption for the case of the C-12(e,e'p)B-11 reaction at high proton momenta by compa ring the results with the predictions obtained when the second-order d ifferential equation for the proton wave is solved exactly for each pa rtial wave. We find that the two methods give well-correlated angular distributions for momenta in the range 1-4 GeV/c, i.e., for kinematics relevant to the transition to the eikonal regime.