Hannover 2013 – scientific programme

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MS: Fachverband Massenspektrometrie

MS 6: Ion Storage Rings and Precision Mass Spectrometry

MS 6.2: Talk

Wednesday, March 20, 2013, 11:30–11:45, F 442

Online mass measurements with a Multiple-Reflection Time-of-Flight Mass Spectrometer (MR-TOF-MS) at the FRS Ion Catcher — •Jens Ebert¹, Timo Dickel^1,2, Wolfgang R. Plaß^1,2, Samuel Ayet², Peter Dendooven³, Alfredo Estrade², Fabio Farinon², Hans Geissel^1,2, Florian Greiner¹, Emma Haettner^1,2, Christian Jesch¹, Nasser Kalantar-Nayestanaki³, Ronja Knoebel^1,2, Jan Kurcewicz², Johannes Lang¹, Iain Moore⁴, Ivan Mukha², Chiara Nociforo², Martin Petrick¹, Marek Pfutzner², Stephane Pietri², Andrej Prochazka², Sivaji Purushothaman², Moritz P. Reiter¹, Ann-Kathrin Rink¹, Christoph Scheidenberger^1,2, Maya Takechi², Helmut Weick², John Winfield², Marcel Diwisch¹, and Mikhail I. Yavor⁵ — ¹JLU Giessen — ²GSI, Darmstadt — ³KVI, University of Groningen, Netherlands — ⁴University of Jyväskylä, Finland — ⁵Russian Academy of Sci., St. Petersburg

At the Low-Energy-Branch (LEB) of the Super-FRS at FAIR experiments with-slowed down exotic nuclei will be performed. The FRS Ion Catcher experiment at the FRS serves a test facility for the LEB. The relativistic ions are thermalized in a novel cryogenic stopping cell, extracted and transported to a MR-TOF-MS for high precision mass measurements or decay-spectroscopy. In summer 2012 direct mass measurements of U projectile fragments have been performed for the first time with a MR-TOF-MS, among then ²¹³Rn with a half-life of only 19.5 ns.