GSI Helmholtzzentrum für Schwerionenforschung

GSI Helmholtzzentrum für Schwerionenforschung operates a unique accelerator for heavy ions. Researchers from around the world use this facility for experiments that help them make fascinating discoveries in basic research. In addition, they continually develop new and impressive applications.

Hessian State Parliament Member Sebastian Sommer visits GSI/FAIR
Hessian State Parliament Member Sebastian Sommer (CDU) (2nd from left) visited GSI/FAIR together with his Head of Office, Daniel Georgi (r.). They were welcomed by the GSI/FAIR management.
Hessian State Parliament Member Sebastian Sommer (CDU) visited GSI/FAIR together with his Head of Office, Daniel Georgi, to learn about the scientific activities and the construction progress of the international accelerator facility FAIR. The guests were welcomed by Prof. Dr. Thomas Nilsson, Scientific Managing Director of GSI and FAIR, Dr. Katharina Stummeyer, Administrative Managing Director of GSI and FAIR, Jörg Blaurock, Technical Managing Director of GSI and FAIR, as well as Dr. Ingo Peter…
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Mourning Peter Mulser
Professor Peter Mulser
We mourn the loss of our long-time colleague Professor Peter Mulser, who passed away on September 26, 2025, at the age of 88. Professor Mulser was Professor of Theoretical Physics at the Physics Department of Technical University Darmstadt from 1981 to 2001. He conducted research on high-intensity light-matter interaction at the Institute of Applied Physics and worked closely with the GSI/FAIR Plasma Physics group from the very beginning. He passed on his extensive knowledge to many students,…
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FAIR – the future accelerator facility

In the next few years the new international accelerator facility FAIR, one of the largest research projects worldwide, will be erected at GSI. At FAIR an unprecedented variety of experiments will be possible. Thereby physicists from all around the world will be able to gain new insights into the structure of matter and the evolution of the universe from the Big Bang to the present.
Learn more about FAIR: GSI about FAIR or FAIR web page

Cancer Treatment with Ion Beams

GSI is the birthplace of a new form of cancer treatment. This development was the result of many years of research in conjunction with GSI’s large ion-beam accelerator system. The advantage of this new treatment modality is that the ion beam selectively damages tumor tissues while sparing the surrounding healthy tissues. More...

The Creation of New Elements

Chemical elements are produced in stars and stellar explosions. Elements are the building blocks of all materials that surround us – including every atom of our bodies. The universe is also home to a large number of atoms that do not occur on earth. One of the key tasks of the researchers at GSI is to attempt to create previously unknown elements. More...



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