Berlin 2014 – wissenschaftliches Programm
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MS: Fachverband Massenspektrometrie
MS 3: Precision Mass Spectrometry 2
MS 3.2: Vortrag
Montag, 17. März 2014, 17:00–17:15, DO24 1.205
Recent Developments of the MR-TOF-MS for the LEB of the Super-FRS — •Samuel Ayet San Andres1, Julian Bergmann2, Timo Dickel1,2, Jens Ebert2, Hans Geissel1,2, Christine Hornung2, Christian Jesch2, Johannes Lang2, Christian Lotze2, Wolfgang Plass1,2, Pascal Reiter2, Ann-Katrin Rink2, Christoph Scheidenberger1,2, Johan Siebring3, Alexander Pikhtelev4, Matti Werner1, and Mikhail Yavor5 — 1GSI Darmstadt — 2JLU Gießen — 3KVI - University of Groningen — 4IPCP RAS Chernogolovka — 5IAI RAS St. Petersburg
A multiple-reflection time-of-flight mass spectrometer (MR-TOF-MS) is being currently tested and improved at the FRS Ion Catcher facility. This MR-TOF-MS will be used at the LEB of the Super-FRS facility to provide a low energy isobarically clean beam to other experiments, as a diagnostic tool for the cryogenic stopping cell of the Low-Energy Branch (LEB) and as a mass spectrometer for the most short-lived nuclides. Understanding the influence of many parameters in such a complex system, as well as getting new instrumental developments in order to maximize the performance of the system is an important and continuous task. Most recent improvements of the system are: increase of the kinetic energy of the ions in the analysis path, optimization of ion optics and an upgrade in the electronics. Also, a dedicated data acquisition software for high quality online analysis and a full remote control software of the system were developed. The current status of the system, the latest developments of the system and a systematic characterization of the device will be presented.