Hannover 2013 – wissenschaftliches Programm
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MS: Fachverband Massenspektrometrie
MS 6: Ion Storage Rings and Precision Mass Spectrometry
MS 6.2: Vortrag
Mittwoch, 20. März 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 Dickel1,2, Wolfgang R. Plaß1,2, Samuel Ayet2, Peter Dendooven3, Alfredo Estrade2, Fabio Farinon2, Hans Geissel1,2, Florian Greiner1, Emma Haettner1,2, Christian Jesch1, Nasser Kalantar-Nayestanaki3, Ronja Knoebel1,2, 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 Scheidenberger1,2, 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.