Dresden 2011 – wissenschaftliches Programm
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MS: Fachverband Massenspektrometrie
MS 4: Precision Mass Spectrometry and Fundamental Applications
MS 4.6: Vortrag
Dienstag, 15. März 2011, 12:15–12:30, GÖR 229
Online coupling and beam preparation for the TRIGA-SPEC experiment — •Thomas Beyer1,2, Klaus Blaum1,2, Martin Eibach1,3, Nadja Frömmgen3, Christopher Geppert3,5, Alexey Gonschior3, Jens Ketelaer2, Jörg Krämer3, Szilard Nagy2,5, Dennis Neidherr2, Wilfried Nörtershäuser3,5, Dennis Renisch2,4, Christian Smorra1,3, and the Triga-Spec Collaboration2,4,5,6 — 1Physikalisches Institut, Universität Heidelberg, 69120 Heidelberg — 2Max-Planck-Institut für Kernphysik, 69117 Heidelberg — 3Institut für Kernchemie, Universität Mainz, 55128 Mainz — 4Institut für Physik, Universität Mainz, 55128 Mainz — 5GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt — 6CSNSM, Université de Paris Sud, 91495 Orsay, France
Precise experimental data of the ground-state properties of short-lived nuclides are required to test the predictive power of nuclear mass models and to support nucleosythesis calculations of the astrophysical r-process. Besides the measurement of these properties with high precision, the creation and preparation of the nuclides of interest is one of the biggest challenges in this field of physics. For the TRIGA-SPEC experiment located at the TRIGA reactor in Mainz, nuclides of the neutron-rich side of the nuclear chart can be created by neutron-induced fission of an actinoide target inside the reactor. The online coupling is going to be realized with an aerosol-loaded gas-jet system, an ion source, a separator magnet, and an RFQ quadrupole for ion beam cooling and bunching. An overview of the online coupling and the ion beam preparation will be presented.