Nuclear transparencies in relativistic A(e,e'p) models

Details Nuclear transparencies in relativistic A(e,e'p) models Nuclear transparencies in relativistic A(e,e'p) models

2004-01-20

arxiv.org/abs/nucl-th/0401041v1

Phys.Lett. B595 (2004) 177-186

Physics

Nuclear Physics

Nuclear Theory

15 pages, 4 figures

Scientific paper

10.1016/j.physletb.2004.04.088

Relativistic and unfactorized calculations for the nuclear transparency extracted from exclusive A(e,e'p) reactions for 0.3 \leq Q^2 \leq 10 (GeV/c)^2 are presented for the target nuclei C, Si, Fe and Pb. For Q^2 \geq 0.6 (GeV/c)^2, the transparency results are computed within the framework of the recently developed relativistic multiple-scattering Glauber approximation (RMSGA). The target-mass and Q^2 dependence of the RMSGA predictions are compared with relativistic distorted-wave impulse approximation (RDWIA) calculations. Despite the very different model assumptions underlying the treatment of the final-state interactions in the RMSGA and RDWIA frameworks, they predict comparable nuclear transparencies for kinematic regimes where both models are applicable.

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