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Phys. Rev. C 71, 014605 (2005) [10 pages]

Polarization transfer in 4He(e⃗,e'p⃗) and 16O(e⃗,e'p⃗) in a relativistic Glauber model

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P. Lava, J. Ryckebusch, and B. Van Overmeire
Department of Subatomic and Radiation Physics, Ghent University, Proeftuinstraat 86, B-9000 Gent, Belgium

S. Strauch
Department of Physics, The George Washington University, Washington, D.C. 20052

Received 30 July 2004; published 20 January 2005

Polarization-transfer components for 4He(e⃗,e'p⃗)3H and 16O(e⃗,e'p⃗)15N are computed within the relativistic multiple-scattering Glauber approximation (RMSGA). The RMSGA framework adopts relativistic single-particle wave functions and electron-nucleon couplings. The predictions closely match those of a relativistic plane-wave model indicating the smallness of the final-state interactions for polarization-transfer components. Also short-range correlations play a modest role for the studied observables, as long as small proton missing momenta are probed in quasielastic kinematics. The predictions with free and various parametrizations for the medium-modified electromagnetic form factors are compared to the world data.

© 2005 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.71.014605
DOI:
10.1103/PhysRevC.71.014605
PACS:
25.30.Dh, 13.40.Gp, 24.10.Jv, 24.70.+s