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HK: Fachverband Hadronen und Kerne

HK 17: Astroparticle Physics

HK 17.7: Talk

Monday, March 16, 2009, 18:45–19:00, H-ZO 70

The GSI Anomaly — •Hendrik Kienert — Max Planck Institut für Kernphysik, Heidelberg

Recently, an interesting experiment at the ESR facility of GSI Darmstadt has observed a non-exponential decay law for electron capture decays of certain heavy nuclei. Several controversial attempts have been made to explain this effect in terms of neutrino mixing. We briefly describe the experimental results, give an overview of the literature, and show that the effect cannot be due to neutrino mixing. We also briefly discuss alternative explanation attempts and their problems.