Elastic Electroproduction of $\rh0$ and $J/\Psi$ Mesons at large $Q^2$ at HERA

S. Aid

The total cross sections for the elastic electroproduction of $\rh0$ and $J/\Psi$ mesons for $Q^2$ $>$ 8 GeV${}^2$ and $<W>\simeq 90$ GeV/c${}^2$ are measured at HERA with the H1 detect…