The GSI oscillation mystery

Abstract

In this talk, a short discussion of the GSI anomaly is given. We discuss the physics involved using a comparison with pion decay, and explain why the observed oscillations cannot be caused by standard neutrino mixing.

Comments: 3 pages, 1 figure; part of the proceedings of the "International School of Nuclear Physics, 31st Course, 'Neutrinos in Cosmology, in Astro-, Particle- and Nuclear Physics' " in Erice, Italy, 16 - 24 September 2009