Heidelberg 2015 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 13: Precision spectroscopy of atoms and ions II (with Q)

A 13.2: Vortrag

Dienstag, 24. März 2015, 11:30–11:45, M/HS1

Laser spectroscopy of the heaviest elements at GSI — •Premaditya Chhetri1, MIchael Block2,3, Harmut Backe4, Peter Kunz5, Fritz-Peter Heßberger2,3, Mustapha Laatiaoui2, Werner Lauth4, Felix Lautenschläger1, Sebastian Raeder7, Thomas Walther1, and Calvin Wraith61TU Darmstadt, Darmstadt — 2Helmholtzinstitut Mainz, Mainz — 3GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt — 4JGU Mainz, Mainz — 5TRIUMF, Vancouver, Canada — 6University of Liverpool, Liverpool, United Kindom — 7KU Leuven, Leuven, Belgium

Laser spectroscopy of the heaviest elements allows the study of the evolution of relativistic effects on their atomic structure. In addition, nuclear properties such as spins and nuclear moments can be obtained. In our experiments at the GSI we exploit the Radiation Detected Resonance Ionization Spectroscopy in a buffer-gas filled stopping cell and use a two step photoionization process to search for the 1P1 level in 254No. Yb, a chemical homolog of No, can be produced at a higher rate and is used for optimizing the system. In this talk a general overview of our experimental setup and some results from a recent online experiment on 155Yb will be presented.

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DPG-Physik > DPG-Verhandlungen > 2015 > Heidelberg