Ring Accelerator (IMAGE) Helmholtz Association Caption The GSI accelerator facility was used to study the treatment possibilities for cardiac arrhythmia with ions. Credit Photo: A. Zschau, GSI Helmholtzzentrum für Schwerionenforschung Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.