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


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GSI Helmholtzzentrum für Schwerionenforschung

GSI Helmholtzzentrum für Schwerionenforschung operates a unique large-scale 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.

Photo: G. Otto, GSI Helmholtzzentrum für Schwerionenforschung
The construction of the FAIR accelerator facility is picking up speed. The preparatory work has now commenced for linking the existing accelerator systems of GSI Helmholtzzentrum für Schwerionenforschung to the new FAIR facility, which will take place later on. An important milestone here is the erection of two approximately 100-meter-long retaining walls that are up to eight meters tall. These walls are being built near GSI’s SIS18 accelerator ring, which will connect to the FAIR facility.

Photo: Christian Grau for GSI
Unravel the secrets regarding the structure and development of the universe. Visit the experimentation facility that was the first to create the new element darmstadtium, which is named after the city of Darmstadt. See the accelerator experts in the main control room at work and have talks with international scientists. Examine the treatment place where a new radiation treatment was developed to combat cancer. Explore the construction site, where the unique particle accelerator facility FAIR...

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...