Hannover 2020 – scientific programme
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MS: Fachverband Massenspektrometrie
MS 13: New Developments and Techniques
MS 13.3: Talk
Thursday, March 12, 2020, 15:45–16:00, f128
MELISSA: First Laser Ions and Recent Achievements — •Vadim Gadelshin1,2, Thomas E. Cocolios3, Kristof Dockx3, Charlotte Duchemin3,4, Valentin Fedosseev4, Roberto Formento Cavaier5, Ferid Haddad6,7, Laura Lambert4, Bruce Marsh4, Joao Pedro Ramos3,4, Annie Ringvall Moberg4,8, Thierry Stora4, Dominik Studer1, Felix Weber1, Shane Wilkins4, and Klaus Wendt1 — 1Johannes Gutenberg University Mainz — 2Ural Federal University, Russia — 3KU Leuven, Belgium — 4CERN, Switzerland — 5Advanced Accelerator Applications, A Novartis Company, Italy — 6GIP ARRONAX, France — 7SUBATECH, Nantes University, France — 8Gothenburg University, Sweden
In April 2019 the MEDICIS Laser Ion Source for Separator Assembly (MELISSA) was launched. It was designed and constructed to provide the highly purified isotope yield and to boost it at the CERN-MEDICIS facility, aimed for routine operation with regular collection of typically 500 MBq batches of non-conventional medical radionuclides. Meanwhile MELISSA became the major ion source in use for all collections in this operational year. Several production cycles of different rare-earth radioisotopes with high specific activity were accomplished, demonstrating their yield enhancement, improved isotopic purity, and opening an access to them for users.
In the talk, a report on the first MELISSA operation period is presented. Recent achievements and difficulties, discovered during the period, are considered. Results on Er, Tb, and Yb collections, foreseen refinements and future upgrades of the laser ion source are discussed.