Spin-Polarization Response Functions in High-Energy (e,e'p) Reactions

Details Spin-Polarization Response Functions in High-Energy (e,e'p) Reactions Spin-Polarization Response Functions in High-Energy (e,e'p) Reactions

1997-06-05

arxiv.org/abs/nucl-th/9706018v1

Phys.Rev.C56:3231-3241,1997

Physics

Nuclear Physics

Nuclear Theory

22 pages, Latex, figures available at ftp://ftp.krl.caltech.edu/pub/users/rseki/ito

Scientific paper

10.1103/PhysRevC.56.3231

Spin-polarization response functions are examined for high-energy $(\vec{e},e'\vec{p})$ reaction by computing the full 18 response functions for the proton kinetic energy $T_{p'}=$ 0.515 GeV and 3.179 GeV with an 16O target. The Dirac eikonal formalism is applied to account for the final-state interactions. The formalism is found to yield the response functions in good agreement with those calculated by the partial-wave expansion method at 0.515 GeV. We identify the response functions that depend on the spin-orbital potential in the final-state interactions, but not on the central potential. Dependence on the Dirac- or Pauli-type current of the nucleon is investigated in the helicity-dependent response functions, and the normal-component polarization of the knocked-out proton, $P_n$, is computed.

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