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To probe CP violation in the leptonic sector using GeV energy neutrino beamsin current and future experiments using argon detectors, precise models of thecomplex underlying neutrino and antineutrino interactions are needed. TheE12-14-012 experiment at Jefferson Lab Hall A was designed to perform acombined analysis of inclusive and exclusive electron scatterings on both argon($N = 22$) and titanium ($Z = 22$) nuclei using GeV energy electron beams. Themeasurement on titanium nucleus provides essential information to understandthe neutrino scattering on argon, large contribution to which comes fromscattering off neutrons. Here we report the first experimental study ofelectron-titanium scattering as double differential cross section at beamenergy $E=2.222$ GeV and electron scattering angle $\theta = 15.541$ deg,measured over a broad range of energy transfer, spanning the kinematicalregions in which quasielastic scattering and delta production are the dominantreaction mechanisms. The data provide valuable new information needed todevelop accurate theoretical models of the electromagnetic and weak crosssections of these complex nuclei in the kinematic regime of interest toneutrino experiments.

First Measurement of the Ti$(e,e^\prime){\rm X}$ Cross Section at Jefferson Lab