LIST developments at IGISOL

The ion guide technique was developed in Jyv?skyl? during the early 1980's. In the ion guide the reaction recoil products are stopped and thermalized in high purity helium gas where they remain ionic due to high ionization potential of helium atoms. Different designs of ion guide exist for light-ion induced fusion reactions, for heavy-ion induced fusion and for proton induced fission. Although the IGISOL method is fast and universal it is chemically unselective and in many cases relatively inefficient. In order to address these deficiencies in the technique, a new laser ion source project, FURIOS (Fast Universal Resonant laser Ion Source), commenced in 2004. In addition, resonance ionization spectroscopy has been tested off – line within a sextupole ion beam guide.