The new accelerator facility FAIR is under construction at GSI. Learn more.


GSI is member of


Funded by




GSI Helmholtzzentrum für Schwerionenforschung

The goal of the scientific research conducted at GSI Helmholtzzentrum für Schwerionenforschung is to reach a better understanding of the structure and behavior of the world that surrounds us.


About us

GSI operates a worldwide unique large-scale accelerator facility for heavy ions and currently employs about 1,400 people. In addition approximately 1.000 researchers from universities and other research institutes around the world use the facility for their experiments.

GSI is a limited liability company (Ger. GmbH). Associates are the German Federal Government (90 per cent), the State of Hessen (8 per cent), the State of Rhineland-Palatinate (1 per cent) and the Free State of Thuringia (1 per cent). They are represented in the board of directors by the Federal Ministry of Education and Research and the respective Ministries. GSI is a member of the Helmholtz Association, Germany's largest research organisation.

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