Hamburg 2009 – scientific programme
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MS: Fachverband Massenspektrometrie
MS 1: Präzisionsmassenspektrometrie, Ionenfallen, FT-IZR-MS, Moleküle, Cluster I
MS 1.6: Talk
Monday, March 2, 2009, 12:30–12:45, VMP 8 R05
Penning trap mass measurements and laser spectroscopy on neutron-rich fission products extracted from the research reactor TRIGA-Mainz — •Martin Eibach1, Klaus Blaum2, Klaus Eberhardt5, Frank Herfurth4, Jens Ketelaer1, Jochen Ketter1, Konstantin Knuth1, Szilard Nagy2, Wilfried Nörtershäuser5, and Christian Smorra3,5 — 1Institut für Physik, Universität Mainz, D-55128 Mainz — 2Max-Planck-Institut für Kernphysik, D-69117 Heidelberg — 3Physikalisches Institut, Universität Heidelberg, D-69120 Heidelberg — 4GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt — 5Institut für Kernchemie, Universität Mainz, D-55128 Mainz
TRIGA-SPEC is a setup for Penning trap mass spectrometry and collinear laser spectroscopy on short-lived neutron-rich nuclides located at the research reactor TRIGA-Mainz. It is dedicated to the determination of nuclear ground-state properties like masses and charge-radii[1]. The nuclides are produced by neutron-induced fission of an actinide target located in a target chamber near the reactor core. It is required to extract the nuclides fast and with high efficiency from the target chamber in order to make precision experiments on short-living species with half-lives in the order of 1s. To this end, they are flushed out with a helium gas jet containing carbon aerosols and transported through a skimmer region to an ECR ion source. The characterisation of the carbon aerosol generator and the verification of transported fission products will be presented.
[1] J. Ketelaer et al., Nucl. Instr. Meth. A 594 (2008) 162