Hannover 2016 – scientific programme
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MS: Fachverband Massenspektrometrie
MS 3: Ion Traps, Ion Storage Rings, Molecules, Clusters, Decays and Reactions
MS 3.4: Talk
Monday, February 29, 2016, 16:15–16:30, f128
A Novel Laser Ablation Ion Source for Multiple-Reflection Time-of-Flight Mass Spectrometry — •Florian Greiner1, Christine Hornung1, Samuel Ayet San Andrés1,2, Timo Dickel1,2, Jens Ebert1, Hans Geissel1,2, Emma Haettner2, Ivan Miskun1, Wolfgang Plass1,2, Moritz Pascal Reiter1, Ann-Kathrin Rink1, and Christoph Scheidenberger1,2 — 1JLU Giessen, Germany — 2GSI, Darmstadt, Germany
At the FRS Ion Catcher, projectile and fission fragments are produced at relativistic energies, separated in the fragment separator FRS, thermalized in a gas-filled cryogenic stopping cell, extracted and transported to a multiple-reflection time-of-flight mass spectrometer (MR-TOF-MS). The MR-TOF-MS can be used for high precision mass measurements, isobar and isomer separation and for diagnostics purposes. For the calibration and for systematic studies of the MR-TOF-MS a novel laser ablation carbon cluster ion source (LACCI) has been designed, built and commissioned. This source produces ions over a broad mass range as well as isobaric calibrants It can be operated at a repetition frequency of 100 Hz in order to be compatible with the high repetition rate of the MR-TOF-MS, and . Due to an x-y-movable table the source can run stably for a long time (∼ days) and targets can be changed without opening the system. The LACCI setup also contains a thermal alkali ion source, a channeltron detector and an RFQ mass filter. It will be coupled to the FRS Ion Catcher beamline via an electrically switchable RFQ switchyard.