Status and New Data of the Geochemical Determination of the pp-Neutrino Flux by LOREX
Figure 4
Part of the accelerator facility of GSI, relevant for the proposed measurement of the bound-beta half-life of bare ions. A beam of ions, accelerated in the synchrotron SIS to an energy of some 100 A MeV, hits the production target (Be) of the fragment separator FRS, where a plenty of highly-charged ions will be generated by nuclear reactions. With the aid of an appropriate setting of the FRS magnets and by exploiting the -dependent stopping power in a degrader placed in the symmetry point of the FRS (black triangle), only bare ions can pass through small slits at the end of the FRS. Those ions will be stored in the experimental storage ring (ESR) and accumulated by repeated injections until a number of at least 106 ions will be reached. After the application of electron cooling, the ions are circulating in the ring for a couple of hours, where a few of them will decay to hydrogen-like by bound-state decay.
