Evidence for the Onset of Color Transparency in ${\rho }^0$ Electroproduction off Nuclei

L. El Fassi, L. Zana, K. Hafidi +154

We have measured the nuclear transparency of the incoherent diffractive $A(e,e^{\prime }{\rho }^0)$ process in ${}^{12}$C and ${}^{56}$Fe targets relative to ${}^2$H using a 5 GeV electron beam. The nu…