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.

On the same place where the groundbreaking ceremony was held a few years ago, a decisive step has now been reached: The structural work for the SIS100 is completed.
It is a central part of the future accelerator center FAIR, currently being built in international collaboration at the GSI Helmholtzzentrum in Darmstadt, and at the same time the heart of one of the largest construction projects for research worldwide: the large underground FAIR ring accelerator SIS100 on the northern FAIR construction site with a circumference of 1,100 meters. On the same place where the groundbreaking ceremony was held a few years ago, representing the start of the building…



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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