Darmstadt 2008 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 30: Precision spectroscopy III

A 30.2: Vortrag

Freitag, 14. März 2008, 14:15–14:30, 3C

Frequency Measurements on the 2S-3S Transition of Lithium-7 and Lithium-6 — •Sánchez A. Rodolfo M.¹, Noerterhaeuser Wilfried^1,2, Andjelkovic Zoran², Ewald Guido¹, Geppert Christopher¹, Kluge Juergen¹, Kraemer Joerg², Nothhelfer Matthias², Tiedemann Dirk², Winters Danyal³, and Zakova Monika² — ¹GSI mbH, Planckstr. 1, 64291 Darmstadt — ²Institut für Kernchemie, Universität Mainz, Fritz-Straßmann-Weg 2, 55128 Mainz — ³Institut für Kernphysik, Universität Münster, Wilhelm-Klemm-Straße 9, 48149 Münster

We report on the absolute frequency measurement of the 2S - 3S two-photon transition of lithium-7 and -6 by employing a frequency comb. The values we obtained in this measurement are a factor ten times better than the last reported ones. We also discuss how a detailed description of the line profile is necessary in order improve the measured values.