Mainz 2017 – scientific programme
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MS: Fachverband Massenspektrometrie
MS 1: Precision Mass Spectrometry and Fundamental Applications I
MS 1.6: Talk
Monday, March 6, 2017, 16:15–16:30, RW 2
Status report on the on-line coupling of the TRIGA-TRAP experiment to the research reactor TRIGA Mainz — •Jessica Grund1,2,3, Klaus Blaum4, Michael Block2,3,5, Stanislav Chenmarev4, Christoph E. Düllmann1,2,3,5, Klaus Eberhardt1,2,3, Jacques J. W. van de Laar1,2,3, Steffen Lohse2,3, Szilard Nagy4, Pascal Naubereit6, Fabian Schneider2,3, and Klaus Wendt1,2 — 1PRISMA Cluster of Excellence, Johannes Gutenberg-Universität, Mainz — 2Institut für Kernchemie, Johannes Gutenberg-Universität, Mainz — 3Helmholtz-Institut Mainz, Mainz — 4Max-Planck-Institut für Kernphysik, Heidelberg — 5GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt — 6Institut für Physik, Johannes Gutenberg-Universität, Mainz
Experimental data on ground-state properties of exotic nuclei are of interest for nuclear structure studies and allow testing the predictive power of nuclear mass models. Besides off-line measurements on long-lived transuranium isotopes, high-precision mass measurements on short lived nuclides can be performed at TRIGA-TRAP, thanks to the on-line coupling to the research reactor TRIGA Mainz. Neutron rich nuclides are produced by neutron-induced fission of U-235 inside the reactor, extracted by an aerosol-based gas-jet system and guided through a skimmer system to a high-temperature surface ion source. To improve the ionization efficiency, a new ion source has been successfully implemented in collaboration with JAEA/Tokai. An overview of the current status and latest results on the performance will be presented.