e+e- pair production from nucleon targets in the resonance region

We present consistent theoretical descriptions of the $\pi N\to e^{+}{e}^{-}N$ and $\gamma N\to e^{+}{e}^{-}N$ reactions on proton and neutron targets for total center of mass energies $\sqrt{s}$ ranging between 1.50 GeV and 1.75 GeV. These reactions are complementary to study the coupling of low-lying baryon resonances to vector meson-nucleon channels. We show in particular how the resonant structure of the amplitudes for both processes generates specific and large quantum interferences between $\rho$- and $\omega$-meson decays into $e^{+}{e}^{-}$ pairs. Data on the $\pi N\to e^{+}{e}^{-}N$ and $\gamma N\to e^{+}{e}^{-}N$ reactions are expected in the near future from the HADES program at GSI and from dilepton studies with CLAS at JLab.