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ion-source

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PM21 Recent Developments Of The EXCYT Radioactive Beam Diagnostics diagnostics, ion, isotope-production, monitoring 143
 
  • L. Cosentino, P. Finocchiaro
    INFN-LNS, Laboratori Nazionali del Sud, Catania, Italy
  The EXCYT radioactive beam facility at LNS, based on the ISOL (Isotope Separator On Line) technique, will start producing its first radioactive beams during 2004. We are setting up a suitable high sensitivity diagnostics, in order to guarantee a real time monitoring of the beam parameters (transversal profiles, ion composition and current), offering also the capability to perform the beam imaging at very low beam energy (50 keV). For this purpose, a simple technique based on the use of a thin CsI(Tl) scintillating plate that does not require any amplification system inside the beam pipe, has been employed. Tests performed with stable beams have shown a current sensitivity well below 105 pps, a value that can be improved by adopting a more suitable lens and an intensified and cooled CCD camera.