Mainz 2017 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 53: Poster: Quantum Optics and Photonics III

Q 53.29: Poster

Thursday, March 9, 2017, 17:00–19:00, P OG2

ATLIX - probing the wave nature of antiprotons — •Simon Müller¹, Andrea Demetrio¹, Pierre Lansonneur², Patrick Nedelec², and Markus K. Oberthaler¹ — ¹Kirchhoff-Institut für Physik, Im Neuenheimer Feld 227, 69120 Heidelberg, Germany — ²Institut de Physique Nucléaire de Lyon, CNRS/IN2P3, 69622 Villeurbanne, France

The wave behavior of particles is a well accepted and experimentally verified phenomenon. It has been shown for several different species, ranging from electrons to very large organic molecules. Antimatter is expected to show the same behaviour, but experiments on the topic are still in progress. Here we present the current developments in the ATLIX project (Antiproton Talbot-Lau Interferometry eXperiment) where the defined goal is the realization of an antiproton interferometer at the CERN Antiproton Decelerator facility (AD).

The interferometer consists of three material gratings with nanometric periodicity and is planned to be suitable for antiprotons with energy up to 10 keV. A first prototype of the experiment is being carried out in Heidelberg with protons and neutral hydrogen in the 500 eV - 2 keV range. The results of these preliminary experiments will be presented.