SPIRaL: a radioactive ion beam facility at GANIL

The SPIRaL project makes use of the very high intensity ion beams soon available at GANIL (over 1013 pps at 95 MeV/u from He to Ar) to produce radioactive nuclei by the ISOL method. The facility will consist of a production target situated close to an ECRIS specially designed for this purpose, a very low energy beam line, a k=265 compact cyclotron as postaccelerator (2 to 20 MeV/u according to the Q/A factor), a medium energy beam line transferring the radioactive beams into the existing experimental looms through the α spectrometer. The whole facility will be installed at the end of the existing machine