Excitation of the Resonance in the C (, ) Reaction
19886 pages
Published in:
- Phys.Rev.C 38 (1988) 2187-2192
Citations per year
Abstract: (APS)
The inclusive (e,e’) scattering from nuclei is studied with the assumption that the electromagnetic production of pions from the nucleon can be described by a model consisting of the conventional Born term and a Δ-excitation term. We show that the global features of the recent data of the inclusive C12(e,e’) reaction in the GeV energy region can be described by the following procedures: (1) the parameters of the constructed one-body and two-body current operators are fitted to the total cross sections of γN→πN, p(e,e’), and γd→np; (2) the medium effect on the Δ propagation is treated according to the information extracted from the Δ-hole model calculation. It is found that the two-body mechanism of Δ annihilation by the nuclear medium improves the fit to the data in the ‘‘dip’’ region. The predicted magnitudes in the Δ region are lower than the data, indicating the importance of more complicated multinucleon mechanisms.- ELECTRON LIGHT NUCLEUS: INCLUSIVE REACTION
- ELECTRON LIGHT NUCLEUS: INELASTIC SCATTERING
- INELASTIC SCATTERING: ELECTRON LIGHT NUCLEUS
- CARBON
- DIFFERENTIAL CROSS SECTION: ENERGY LOSS
- ENERGY LOSS: DIFFERENTIAL CROSS SECTION
- ANGULAR DEPENDENCE
- DELTA(1232): EFFECT
- APPROXIMATION: BORN
- NUMERICAL CALCULATIONS: INTERPRETATION OF EXPERIMENTS
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