Lifetimes and g-factors of the HFS states in H-like and Li-like bismuth
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Lifetimes and g-factors of the HFS states in H-like and Li-like bismuth

Volker Hannen,Jonas Vollbrecht,Zoran Andelkovic,Carsten Brandau,Andreas Dax,Wolfgang Geithner,Christopher Geppert,Christian Gorges,Michael Hammen,Simon Kaufmann,Kristian König,Yu. A. Litvinov,Matthias Lochmann,Bernhard Maaß,Johann Meisner,Tobias Murböck,Rodolfo Sánchez,Matthias Schmidt,Stefan Schmidt,Markus Steck,Thomas Stöhlker,Richard C. Thompson,Christian Trageser,Johannes Ullmann,Christian Weinheimer,Wilfried Nörtershäuser,Yury A Litvinov,Tobias Murboeck,Wilfried Noertershaeuser;Volker Hannen;Jonas Vollbrecht;Zoran Andelkovic;Carsten Brandau;Andreas Dax;Wolfgang Geithner;Christopher Geppert;Christian Gorges;Michael Hammen;Simon Kaufmann;Kristian König;Yu. A. Litvinov;Matthias Lochmann;Bernhard Maaß;Johann Meisner;Tobias Murböck;Rodolfo Sánchez;Matthias Schmidt;Stefan Schmidt;Markus Steck;Thomas Stöhlker;Richard C. Thompson;Christian Trageser;Johannes Ullmann;Christian Weinheimer;Wilfried Nörtershäuser;Yury A Litvinov;Tobias Murboeck;Wilfried Noertershaeuser;
journal of physics b: atomic, molecular and optical physics 2019 Vol. 52 pp. 085003-
223
noertershaeuser2019journallifetimes

Abstract

The LIBELLE experiment performed at the experimental storage ring (ESR) at the GSI Helmholtz Center for Heavy Ion Research in Darmstadt, Germany, has successfully determined the ground state hyperfine (HFS) splittings in hydrogen-like (209Bi82+) and lithium-like (209Bi80+) bismuth. The study of HFS transitions in highly charged ions enables precision tests of QED in extreme electric and magnetic fields otherwise not attainable in laboratory experiments. Besides the transition wavelengths the time resolved detection of fluorescence photons following the excitation of the ions by a pulsed laser system also allows to extract lifetimes of the upper HFS levels and g-factors of the bound 1s and 2s electrons for both charge states. While the lifetime of the upper HFS state in 209Bi82+ has already been measured in earlier experiments, an experimental value for lifetime of this state in 209Bi80+ is reported for the first time in this work.

Keywords

bismuth experimental lifetime transitions charge extreme hfs states 209bi80 209bi82

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DOI:
10.1088/1361-6455/ab0ef0
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https://sciprofiles.com/publication/view/527bb56de...

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