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.


The cover of „Nature Reviews Clinical Oncology“.
It could become a powerful weapon in the fight against cancer and open up completely new possibilities for tumor therapy with charged particles. FLASH irradiation – the application of an ultra-high radiation dose in a very short time – is in strong focus worldwide and is being advanced with high expertise at GSI and FAIR. FLASH clinical implementation is one of the top 10 Breakthroughs of the Year 2022 according to “Physics Word”. In its December issue, the world’s leading high-impact journal…




View into the team's laser lab.
With a new method, the colour of pulsed high-power lasers can be freely adjusted over a comparatively large range. The method improves the application possibilities of such systems in industry and research.



"Longterm Dronelapse 2018-2021" wins first place in the "Hyperlapse" category at the Brazilian film festival "NO AR Drone Film Fest".



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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