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01.06.2010 | Honorary doctorate for Hans Geissel

GSI Helmholtzzentrum für Schwerionenforschung

Prof. Dr. Hans Geissel


Prof. Dr. Hans Geissel was awarded the honorary doctorate of the Chalmers University of Technology on May 22, 2010.

The honorary doctorate was awarded for his outstanding research, primarily within subatomic physics but also in atomic physics and applications within space research and tumor therapy. This research has a distinct engineering element as he has designed the fragment separator FRS, which is a necessary instrument to create the exotic atomic nuclei, one of the primary fields of research at GSI. Similar instruments are used at other world-leading facilities such as RIKEN (Tokyo, Japan), MSU (Michigan, USA) and in the future with the Super-FRS at FAIR. The most prominent research results have been achieved with stored ions and include precision mass measurements of very short-lived nuclides, the first experimental observation of atomically bound beta decay and the discovery of deeply bound pionic conditions in lead and tin isotopes. Thus, the first proof of the long-sought double-magic-nucleus 100-Sn was one of his research results. Linked to this award is the international recognition of the entire experimental program at the FRS.

Hans Geissel is head of the FRS group at the research facility GSI Helmholtzzentrum für Schwerionenforschung in Darmstadt, Germany and professor of physics at Justus-Liebig-Universität in Gießen. Besides this he is the project leader of the new Super-FRS separator, one of the central research instruments of the NuSTAR-Colloaboration at FAIR. He has collaborated closely for many years with the division of subatomic physics at the department of fundamental physics and also acted as an expert and supervisory resource for a number of PhD students at Chalmers who spend certain periods at GSI during the course of their research. To support young, promising researches he launched the "GSI Exotic Nuclei Community" (GENOC) together with coworkers.


Prof. Dr. Hans Geissel
GSI Helmholtzzentrum für Schwerionenforschung