Abstract
The SCRIT (Self-Confining Radioactive-Isotope Ion Target) electron scattering facility has been constructed at the RIKEN RI Beam Factory. In the commissioning experiment, the ion-trapping properties of the SCRIT system were studied using stable ions. By using an electron spectrometer, the momentum transfer distribution of the electron elastic scattering of $^{132}$Xe was measured at 150, 200, and 300~MeV, and the charge density distribution was deduced. During the measurements, a luminosity of $1.8 \times$10$^{27}$~cm$^{-2}$s$^{-1}$ was achieved with a 250-mA electron beam and only 10$^8$ trapped ions. Production of RIs has begun in an electron-beam-driven RI separator, and developments are underway to increase the production rate of short-lived nuclei. Soon, measurements of electron elastic scattering by short-lived nuclei will be performed.
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