Final-state interaction in inclusive electromagnetic nuclear processes. [500 MeV]

Journal Article · Wed Oct 01 04:00:00 EDT 1980 · Phys. Rev., C; (United States)

DOI:https://doi.org/10.1103/PhysRevC.22.1680· OSTI ID:5119967

Horikawa, Y; Lenz, F; Mukhopadhyay, N C

The problem of nucleon final-state interaction in inclusive electromagnetic reactions is discussed within an optical potential description for the outgoing nucleon. The formalism accounts for both the loss of flux in the primary one-nucleon removal channel and the excitation of the multinucleon ones. Thereby a crucial difficulty encountered in the distorted-wave Born-approximation treatments of inclusive processes is eliminated. The calculation has been applied to the (e,e') reaction at the Stanford kinematics of 500 MeV incident energy and 60/sup 0/ scattering angle. As a result of nucleon final-state interaction, the peak intensities are reduced by 5--10 %; about half of the (e,e') reaction is found to correspond to multinucleon removal. In contrast to the good agreement of the calculation with the Stanford data, severe discrepancies are obtained if applied to the recent Saclay data for incident energies around 400 MeV. The limitations of our approach are explored by considering processes at relatively low momentum transfers: low-energy electron scattering and radiative pion capture.

• Research Organization: Swiss Institute for Nuclear Research (SIN), 5234 Villigen, Switzerland
• OSTI ID: 5119967
• Journal Information: Phys. Rev., C; (United States), Journal Name: Phys. Rev., C; (United States) Vol. 22:4; ISSN PRVCA
• Country of Publication: United States
• Language: English

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73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ANGULAR DISTRIBUTION
BORN APPROXIMATION
CAPTURE
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DIFFERENTIAL CROSS SECTIONS
DIRECT REACTIONS
DISTRIBUTION
DWBA
ELECTROMAGNETIC FORM FACTORS
ELECTRON REACTIONS
ENERGY RANGE
FINAL-STATE INTERACTIONS
FORM FACTORS
FUNCTIONS
GREEN FUNCTION
HADRON REACTIONS
INCLUSIVE INTERACTIONS
INELASTIC SCATTERING
INTERACTIONS
KNOCK-OUT REACTIONS
LEPTON REACTIONS
MATRICES
MESON REACTIONS
MEV RANGE
MEV RANGE 100-1000
NUCLEAR REACTIONS
OPTICAL MODELS
PARTICLE INTERACTIONS
PARTICLE PROPERTIES
PION REACTIONS
PROTON SPECTRA
S MATRIX
SCATTERING
SPECTRA