Heidelberg 2015 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 35: Poster: Precision spectroscopy of atoms and ions (with Q)

A 35.29: Poster

Donnerstag, 26. März 2015, 17:00–19:00, C/Foyer

Angular Distribution of DR-Induced X-ray Transitions in Be-like Uranium — •Sergiy Trotsenko^1,2, Alexandre Gumberidze², Yong Gao³, Christophor Kozhuharov², Stephan Fritzsche^1,4, Andrey Surzhykov^1,4, Heinrich Beyer², Siegbert Hagmann^2,5, Pierre-Michel Hillenbrand², Nikolaos Petridis², Uwe Spillmann², Daniel Thorn^2,6,7, Günter Weber¹, and Thomas Stöhlker^1,2,4 — ¹Helmholtz-Institut Jena, Fröbelstieg 3, 07743 Jena, Germany — ²GSI Helmholtzzentrum für Schwerionenforschung GmbH, Planckstraße 1, 64291 Darmstadt, Germany — ³Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, China — ⁴Institut für Optik und Quantenelektronik, Friedrich-Schiller-Universität Jena, Max-Wien-Platz 1, 07743 Jena, Germany — ⁵Institut für Kernphysik, Universität Frankfurt, 60486 Frankfurt am Main, Germany — ⁶ExtreMe Matter Institute EMMI, GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, 64291 Darmstadt, Germany — ⁷FIAS Frankfurt Institute for Advanced Studies, Ruth-Moufang-Straße 1, 60438 Frankfurt am Main, Germany

X-rays following 116.15 MeV/u collisions of Li-like uranium with hydrogen target were measured at different observation angles with regard to the ion beam direction. From the measured experimental spectra combined with radiative electron capture calculations, we obtain angular distribution of characteristic x-rays following the resonance transfer and excitation. Our result shows a good qualitative agreement with theoretical predictions.