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Hannover 2016 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 39: Interaction with VUV and X-ray light

A 39.4: Vortrag

Freitag, 4. März 2016, 12:00–12:15, f303

Dynamical Control Of Nuclear Line Shapes — •Kilian P. Heeg1, Andreas Kaldun1, Patrick Reiser1, Stephan Goerttler1, Johann Haber2, Cornelius Strohm2, Hans-Christian Wille2, Rudolf Rüffer3, Christoph H. Keitel1, Ralf Röhlsberger2, Thomas Pfeifer1, and Jörg Evers11Max-Planck-Institut für Kernphysik, Heidelberg, Germany — 2Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany — 3ESRF-The European Synchrotron, Grenoble, France

Signatures in spectroscopy arise from the interference between the probing light and the field scattered by the sample. Imprinting relative phases to the two channels enables one to engineer the spectrum, e.g., by turning absorption lines into Fano profiles [1,2].

In this contribution, we report on recent experiments, in which we implemented the phase control by mechanically displacing a target of Mössbauer nuclei after its excitation with resonant x-rays.

[1] C. Ott et al., Science 340, 716 (2013).

[2] K. P. Heeg et al., Phys. Rev. Lett. 114, 207401 (2015).

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