Freiburg 1999 – wissenschaftliches Programm

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HK: Physik der Hadronen und Kerne

HK 9: Theorie II

HK 9.9: Vortrag

Montag, 22. März 1999, 18:45–19:00, A

Vector meson exchange currents between constituent quarks — •Michael Schmid, Alfons Buchmann, Georg Wagner, and Amand Fässler — Institut für theoretische Physik, Universität Tübingen, D-72076, Tübingen

The constituent quark model is extended to include vector meson exchange (ρ, A1) beside the exchange of scalar mesons (π, σ) and gluons. The effect of the different exchange mechanisms on nucleon and Δ spectra and the electromagnetic properties of these baryons is investigated.