************************************************************** * * Paper : Diffractive Electroproduction of rho and phi Mesons * at HERA, DESY 09-093 * Reac : GAMMA* P --> RHO0 P( or Y) * Caption : |t| dependence of the ratio R = sigmaL / sigmaT of the * longitudinal to transverse cross sections for rho meson * production, for 2.5