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Göttingen 1997 – scientific programme

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HK: Hadronen und Kerne

HK 15: Elektromagnetisch wechselwirkende Sonden II

HK 15.2: Talk

Monday, March 24, 1997, 17:30–17:45, HS G

Correlations and relativistic effects in (e,ep) reactions — •S. Ulrych and H. Müther — Institut für Theoretische Physik
Universität Tübingen, Auf der Morgenstelle 14, D-72076 Tübingen

We investigate the influence of correlations and medium effects in (e,ep) reactions in a relativistic framework and compare them to results derived within a nonrelativistic formalism. The nuclear current is evaluated between bound and scattering states obtained from a Dirac Brueckner Hartree-Fock calculation in finite nuclei. Cross-sections and response functions for 16O and 40Ca are calculated. The results are compared to a nonrelativistic reduction, where the influence of the medium, included in the effective mass, is neglected and a nonrelativistic current operator is used.

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