Relativistic predictions of spin observables for exclusive proton knockout reactions
G. C. Hillhouse, J. Mano, S. M. Wyngaardt, B. I. S. van der Ventel, T. Noro, K. Hatanaka
Abstract
Within the framework of the relativistic distorted wave impulse approximation (DWIA), we investigate the sensitivity of complete sets of polarization transfer observables for exclusive proton knockout from the 3s1/2, 2d3/2 and 2d5/2 states in 208Pb, at an incident laboratory kinetic energy of 202 MeV, and for coincident coplanar scattering angles (28.0, -54.6), to different distorting optical potentials, finite-range (FR) versus zero-range (ZR) approximations to the DWIA, as well as medium-modified meson-nucleon coupling constants and meson masses. Results are also compared to the nonrelativistic DWIA predictions based on the Schrödinger equation.
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