Electron-Scattering Determination of Isotopic Differences in the Charge Distributions ofTi46,48,50

Experimental results are presented on the scattering of 200- and 300-MeV electrons by ${\mathrm{Ti}}^{46}$, ${\mathrm{Ti}}^{48}$, and ${\mathrm{Ti}}^{50}$. These results, and their analysis in terms of charge distributions, complete an earlier investigation of calcium isotopes and ${\mathrm{Ti}}^{48}$. Isotopic differences in rms radii, in agreement with other measurements, are very small, but the actual differences in charge shapes as revealed by these experiments are considerable.