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.

New results from the ERC project BARB on image-guided tumor therapy
At the medicine cave at the GSI Helmholtzzentrum
Using radioactive ion beams and in‑beam PET, researchers at GSI/FAIR, in collaboration with the Ludwig Maximillian Universität (LMU) Munich, are working on a new generation of highly precise, adaptive particle therapy. Because tumors and surrounding organs can shift or change shape during the course of treatment, radiotherapy plans often need to be adapted in real time to keep delivering the dose safely and effectively to the tumor. A new study within the ERC project „BARB – Biomedical…
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Two Humboldt Award winners are conducting research at GSI/FAIR this year
from left: Dr. Peter Jacobs (Lawrence Berkeley National Laboratory, USA), Professor Yong-Zhong Qian (University of Minnesota, USA)
The GSI Helmholtzzentrum für Schwerionenforschung in Darmstadt and the future FAIR accelerator facility continue to attract world-leading scientists. This year, two winners of the prestigious Humboldt Research Award are conducting research at the Darmstadt site: Professor Yong-Zhong Qian (University of Minnesota, USA) was already on site, and Dr. Peter Jacobs (Lawrence Berkeley National Laboratory, USA) is expected to arrive in the second half of 2026.
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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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