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Hannover 2010 – scientific programme

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MS: Fachverband Massenspektrometrie

MS 8: Poster

MS 8.6: Poster

Thursday, March 11, 2010, 16:00–18:00, Lichthof

PENTATRAP: A cryogenic multi-Penning trap experiment for high-precision mass measurements on highly charged ions. — •Julia Repp1,2, Christine Böhm1,2, José Crespo López-Urrutia1, Sergey Eliseev1, Yuri Novikov5, David Pinegar1, Wolfgang Quint2,4, Andreas Rosa1,2, Christian Roux1,2, Sven Sturm3, Stefan Ulmer1,2,3, and Klaus Blaum1,21Max-Planck-Institut für Kernphysik, D-69117 Heidelberg — 2Ruprecht-Karls-Universität Heidelberg, D-69120 Heidelberg — 3Institut für Physik, Johannes Gutenberg-Universität Mainz, D-55099 Mainz — 4GSI Helmholtzzentrum für Schwerionenforschung, D-64291 Darmstadt — 5St. Petersburg Nuclear Physics Institute, Gatchina Russia

The PENTATRAP experiment is under construction at the Max-Planck-Institut für Kernphysik Heidelberg. It aims for high-precision mass measurements of stable, highly charged nuclides up to uranium with an accuracy of δ m/m≈10−11. Primary goals are for example tests of quantum electrodynamics and of electron correlations in the regime of extreme fields as well as neutrino oriented mass measurements on e.g. 163Ho. In order to achieve the desired accuracy, a setup of five cryogenic Penning traps including a dedicated detection system is designed. This setup will guarantee a fast ion exchange between a reference ion and an ion of interest as well as an observation of the magnetic field over the measurement time. The planned experimental setup as well as its present status will be presented.

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