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MS: Fachverband Massenspektrometrie
MS 6: Posters II
MS 6.4: Poster
Mittwoch, 2. März 2016, 16:30–19:00, Empore Lichthof
Implementiation of a position-sensitive detector at TRIGA-TRAP for a phase-sensitive ion cyclotron resonance measurement — •Jacques J. W. van de Laar1,5, Klaus Blaum2, Michael Block1,3,4, Christoph E. Düllmann1,3,4,5, Klaus Eberhardt1,4, Jessica Grund1,5, Szilard Nagy2, Dennis Renisch1, Fabian Schneider1,6, and Klaus Wendt5,6 — 1Institut für Kernchemie, Johannes Gutenberg-Universität, Mainz, DE — 2Max-Planck-Institut für Kernphysik, Heidelberg, DE — 3GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, DE — 4Helmholtz-Institut Mainz, DE — 5PRISMA Cluster of Excellence, Johannes Gutenberg- Universität, Mainz, DE — 6Institut für Physik, Johannes Gutenberg- Universität, Mainz, DE
Experimental data of ground-state properties of exotic nuclei are important for nuclear structure studies and can test the reliability of nuclear mass models. The TRIGA-TRAP experiment is a double Penning-trap mass spectrometer to perform high-precision measurements on long-lived transuranium isotopes and neutron-rich radionuclides at the research reactor TRIGA Mainz. A novel phase-sensitive detection technique[1] based on the projection of the radial ion motion in the Penning trap onto a position-sensitive detector, the Phase- Imaging Ion-Cyclotron-Resonance (PI-ICR) technique, will be implemented at TRIGA-TRAP. This technique provides a gain of a factor of 40 in resolving power compared to the currently used method. The current status and first results will be resented. [1] S. Eliseev et al., Appl. Phys. B 114 (2014), 107-128