Relativistic versus Nonrelativistic Optical Potentials in A(e,e'p)B Reactions

Details Relativistic versus Nonrelativistic Optical Potentials in A(e,e'p)B Reactions Relativistic versus Nonrelativistic Optical Potentials in A(e,e'p)B Reactions

1993-12-07

arxiv.org/abs/nucl-th/9312003v2

Phys.Rev.C51:3246-3255,1995

Physics

Nuclear Physics

Nuclear Theory

Added one new figure, the formalism section has been enlarged and the list of references updated. Added one appendix. This ver

Scientific paper

10.1103/PhysRevC.51.3246

We investigate the role of relativistic and nonrelativistic optical potentials used in the analysis of ($e,e'p$) data. We find that the relativistic calculations produce smaller ($e,e'p$) cross sections even in the case in which both relativistic and nonrelativistic optical potentials fit equally well the elastic proton--nucleus scattering data. Compared to the nonrelativistic impulse approximation, this effect is due to a depletion in the nuclear interior of the relativistic nucleon current, which should be taken into account in the nonrelativistic treatment by a proper redefinition of the effective current operator.

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