The $^3$He(e, e$'$d)p Reaction in q$ω$-constant Kinematics

Details The $^3$He(e, e$'$d)p Reaction in q$ω$-constant Kinematics The $^3$He(e, e$'$d)p Reaction in q$ω$-constant Kinematics

2002-01-21

arxiv.org/abs/nucl-ex/0201011v2

Nucl.Phys. A706 (2002) 403-417

Physics

Nuclear Physics

Nuclear Experiment

17 pages, 7 figures

Scientific paper

The cross section for the $^3$He(e, e$'$d)p reaction has been measured as a function of the missing momentum $p_m$ in q$\omega$ -constant kinematics at beam energies of 370 and 576 MeV for values of the three-momentum transfer $q$ of 412, 504 and 604 \mevc. The L(+TT), T and LT structure functions have been separated for $q$ = 412 and 504 \mevc. The data are compared to three-body Faddeev calculations, including meson-exchange currents (MEC), and to calculations based on a covariant diagrammatic expansion. The influence of final-state interactions and meson-exchange currents is discussed. The $p_m$-dependence of the data is reasonably well described by all calculations. However, the most advanced Faddeev calculations, which employ the AV18 nucleon-nucleon interaction and include MEC, overestimate the measured cross sections, especially the longitudinal part, and at the larger values of $q$. The diagrammatic approach gives a fair description of the cross section, but under(over)estimates the longitudinal (transverse) structure function.

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