Erlangen 2018 – wissenschaftliches Programm

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MS: Fachverband Massenspektrometrie

MS 10: Poster 2

MS 10.5: Poster

Donnerstag, 8. März 2018, 16:15–18:15, Orangerie

Commissioning and First Experiments with TITAN’s Multiple-Reflection Time-of-Flight Isobar Separator and Mass Spectrometer — •S. Beck^1,4, C. Hornung¹, S. Ayet^1,4, M.P. Reiter^1,2, J. Bergmann¹, T. Dickel^1,4, J. Dilling^2,3, A. Finlay^2,3, H. Geissel^1,4, F. Greiner¹, C. Jesch¹, A.A. Kwiatkowski², E. Leistenschneider^2,3, W.R. Plaß^1,4, C. Scheidenberger^1,4, D. Short², C. Will¹, M. Yavor⁵, and the TITAN collaboration² — ¹Justus-Liebig-Universität, Gießen — ²TRIUMF, Vancouver — ³University of British Columbia, Vancouver — ⁴GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt — ⁵Russian Academy of Sciences, St. Petersburg

Exotic nuclei can be produced with very high rates at the ISOL facility ISAC at TRIUMF (Vancouver, Canada). TRIUMF’s Ion Trap for Atomic and Nuclear Science (TITAN) is a multiple ion-trap system for high-precision mass measurements and in-trap decay spectroscopy. Recently a Multi-Reflection Time-of-Flight Mass Separator and Spectrometer (MR-TOF-MS) has been installed and commissioned at TITAN. It is based on an established concept tested at the FRS Ion-Catcher at GSI. The ion of interest can be spatially separated from isobaric contaminations with mass-selective dynamic re-trapping. Furthermore, the device is well suited to perform high precision mass measurements, particularly for short-lived isotopes produced at low rate.

High-precision mass measurements of neutron-rich titanium isotopes were performed by the MR-TOF-MS to probe the existence of the N=32 sub-shell closure above calcium.