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.

Eyes on the Sun: Naked thallium-205 ion decay reveals history over millions of years
The first author of the publication Dr. Ragandeep Singh Sidhu at the Experimental Storage Ring ESR at GSI/FAIR.
The Sun, the essential engine that sustains life on Earth, generates its tremendous energy through the process of nuclear fusion. At the same time it releases a continuous stream of neutrinos— particles that serve as messengers of its internal dynamics. Although modern neutrino detectors unveil the Sun’s present behavior, significant questions linger about its stability over periods of millions of years—a timeframe that spans ...
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Brilliant progress: First tank section of the new Alvarez successfully copper-plated
New tank section
After a successful test phase, the new electroplating facility at GSI/FAIR has now completed its first order: A new-generation Alvarez tank section was successfully copper plated. The state-of-the-art facility impresses with its exceptionally large pools and was recently commissioned after three years of construction. The baths are among the largest of their kind in the world and are specially designed to coat large components. The plating system is capable of coating large components, such as…
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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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