Feynman Graphs and Generalized Eikonal Approach to High Energy Knock-Out Processes

Details Feynman Graphs and Generalized Eikonal Approach to High Energy Knock-Out Processes Feynman Graphs and Generalized Eikonal Approach to High Energy Knock-Out Processes

1996-03-14

arxiv.org/abs/nucl-th/9603018v3

Phys.Rev.C56:1124-1137,1997

Physics

Nuclear Physics

Nuclear Theory

24 pages, LaTex, two Latex and two ps figures, uses FEYNMAN.tex and psfig.sty. Revisied version to appear in Phys. Rev. C

Scientific paper

10.1103/PhysRevC.56.1124

The cross section of hard semi-exclusive $A(e,e'N)(A-1)$ reactions for fixed missing energy and momentum is calculated within the eikonal approximation. Relativistic dynamics and kinematics of high energy processes are unambiguously accounted for by using the analysis of appropriate Feynman diagrams. A significant dependence of the final state interactions on the missing energy is found, which is important for interpretation of forthcoming color transparency experiments. A new, more stringent kinematic restriction on the region where the contribution of short-range nucleon correlations is enhanced in semi-exclusive knock-out processes is derived. It is also demonstrated that the use of light-cone variables leads to a considerable simplification of the description of high-energy knock-out reactions.

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