Abstract
SPIRAL1 at GANIL is a facility dedicated to the production of radioactive ion beams (RIBs) and their post-acceleration. A major upgrade allowed this facility to produce RIBs of condensable elements. It does so by using both a hot 1+ ion source and an ECR Charge Breeder where the latter is used to increase the ion charge state for post-acceleration. The SPIRAL1 team is pursuing R&D on both fronts in order to expand the offer of RIBs. Several 1+ sources have been or will be tested in 2023: (1) MonoNaKe, a surface ion source, is being modified to ionize short-lived lithium isotopes (2) TULIP, dedicated to ionize short lived fusion-evaporation residues has been tested online for the second time (3) the FEBIAD source has produced radioactive Cr ions for the first time. The SPIRAL1 Charge Breeder (SP1CB) is now fitted with a fixed frequency amplifier (Klystron) and a variable frequency amplifier (travelling wave tube). Using one amplifier, the other, or both, enables several heating modes, giving better control on the charge state distribution at the output of SP1CB.
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