Berlin 2005 – scientific programme
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MS: Massenspektrometrie
MS 9: Pr
äzisions-MS kurzlebiger Nuklide 2
MS 9.5: Talk
Monday, March 7, 2005, 17:15–17:30, HU Senatssaal
A new detection technique for mass spectrometry on radionuclides — •R. Ferrer1, K. Blaum1,2, M. Block2, F. Herfurth2, H.-J. Kluge2, C. Kozhuharov2, G. Marx3, M. Mukherjee2, W. Quint2, S. Rahaman2, S. Stahl1, C. Weber1,2, and and the SHIPTRAP Collaboration.2 — 1Institute of Physics, Johannes Gutenberg-University, D-55099 Mainz — 2GSI, D-64291 Darmstadt — 3Institute of Physics, Ernst-Moritz-Arndt-University, D-17487 Greifswald
One of the main scientific goals of the SHIPTRAP experiment at GSI is mass spectrometry on heavy transuranium nuclides produced at the velocity filter SHIP. Nowadays the destructive time-of-flight-ICR (Ion Cyclotron Resonance) method is exclusively used for the mass determination of radionuclides in a Penning trap. Since the production rate for the nuclides of interest at SHIP is extremely low, the non-destructive and highly-sensitive Fourier Transform FT-ICR technique will be employed. It enables measurements even on single ions. First experimental tests and specification measurements with the cryogenic trap system will be performed off-line using stable cesium ions. For the future commissioning of the setup and the comparison of both detection schemes a detector tandem consisting of a microchannel plate and a channeltron will be used. In this contribution the detection techniques, the experimental goals as well as first results will be presented