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HK: Physik der Hadronen und Kerne

HK 35: Postersitzung / Elektromagnetische und hadronische Proben

HK 35.11: Poster

Mittwoch, 24. März 1999, 10:15–12:00, Foyer

Lepton pair production from photon induced reactions — •E.L. Bratkovskaya, M. Effenberger, and U. Mosel — Institut für Theoretische Physik, Universität Giessen

The dynamical study of e⁺e⁻ production in γ A reactions at MAMI and CEBAF energies has been performed on the basis of the BUU transport approach. Different scenarios of in-medium modifications of vector mesons are investigated. The possibilities for the experimental observation of in-medium effects in γ A reactions are discussed.

Supported by DFG and GSI Darmstadt