Electron scattering in the dip region |
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Authors: | P J Brussaard |
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Institution: | (1) R. J. Van de Graaff Laboratory, Utrecht University, P.O. Box 80.000, NL-3508 TA Utrecht, The Netherlands |
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Abstract: | Two-body exchange currents in the noninteracting relativistic Fermi gas model are taken into account with special emphasis put on the role of the delta-isobar to reproduce the transverse response function in the dip region. Due to a resonance behaviour relativistic two-body isobar currents are found to be important for a comparison with the experimental data. Real-pion production is studied within the same framework and the importance and physical implications of the energy dependence of the delta-isobar decay width are stressed. The contents of these lectures have been/will be published in M.J. Dekker, P.J. Brussaard, and J.A. Tjon: Phys. Rev. C49 (1994) 2650–2670 and Phys. Rev. C (1995).Lectures given at the Indian-Summer School on Electron Scattering of Nucleons and Nuclei, Prague (Czech Republic), September 1994. |
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