Anomalies in weak decays of H-like ions

Abstract

We investigate the emergence of oscillations in the decay law of unstable systems. We discuss in particular the case of the so-called GSI anomaly seen in the electron capture decays of H-like ions and prove that such oscillations cannot be explained by neutrino oscillations. We then discuss how such anomalies could be intimately related to the decay law of unstable systems in the case in which their spectral function deviates from a Breit-Wigner shape.

6 pages. Based on the poster presentation given at the 18th International Conference 'Physics of Highly Charged Ions' HCI 2016, 11-16 September 2016, Kielce, Poland

References in corpus (6)

• Observation of Non-Exponential Orbital Electron Capture Decays of Hydrogen-Like ${}^{140}$Pr and ${}^{142}$Pm Ions
• On the spectral functions of scalar mesons
• High-resolution measurement of the time-modulated orbital electron capture and of the ${\beta }^{+}$ decay of hydrogen-like ${}^{142}$Pm${}^{60+}$ ions
• Rates of Processes with Coherent Production of Different Particles and the GSI Time Anomaly
• Search for Oscillation of the Electron-Capture Decay Probability of ${}^{142}$Pm
• The role of the next-to-leading order triangle-shaped diagram in two-body hadronic decays