What is DESY?

DESY is one of the world's leading accelerator centres and a member of the Helmholtz Association. DESY develops, builds and operates large particle accelerators used to investigate the structure of matter. DESY offers a broad research spectrum of international standing focusing on three main areas: accelerator development, construction and operation; photon science; particle and astroparticle physics.

Thanks to its expertise and worlwide unique diversity of excellent light sources, DESY is a very attractive venue for more than 3000 scientists from over 40 countries a year, and a sought-after partner in national and international cooperations and projects. The DESY research programme is not restricted to the facilities at its two locations in Hamburg and Zeuthen. DESY is closely involved in a number of major international projects, including the X-ray laser European XFEL in Hamburg and Schleswig-Holstein, the Large Hadron Collider LHC in Geneva, the neutrino telescope IceCube at the South Pole and the International Linear Collider ILC.

Whether it is in the development and construction of accelerators, in photon science, or in particle and astroparticle physics – DESY scores among the world’s best. Thanks to its expertise and its unique facilities, the research centre is one of the international pioneers in all three areas.

Light of the future

With PETRA III, DESY has built one of the best X-ray radiation sources in the world. As the most brilliant light source of its kind, PETRA III offers scientists from all over the world outstanding opportunities for experimentation, laying the foundation for the medicines and nanotechnology of tomorrow.

DESY also devises the light sources of the future: powerful free-electron lasers in the X-ray range.

On the basis of a new accelerator technology developed by DESY and its international partners, new light sources were created that are entering completely new territory by generating high-intensity ultrashort pulsed X-ray radiation with genuine laser properties. With this kind of radiation, scientists can for the first time observe processes in the nano cosmos in real time. They can, for instance, view “live broadcasts” of the formation and dissolution of chemical bonds.

That’s why there’s such a great demand for the FLASH free-electron laser at DESY. The expectations concerning the even bigger European XFEL X-ray laser, which is now being built in the Hamburg area, are correspondingly high. DESY is playing a key role regarding this new beacon for science. Among other things, it is building the heart of the facility – the accelerator, which is approximately two kilometres long.

The realm of the smallest particles

In the fields of high-energy and astroparticle physics, DESY is facing the challenges of the future, which are becoming increasingly global. The era of national accelerator facilities is now a thing of the past. The field is dominated by internationally oriented “world machines” such as the Large Hadron Collider LHC near Geneva. So it’s quite appropriate that the laboratory already has a long tradition if international cooperation across cultural and political boundaries.

At its two locations in Hamburg and Zeuthen, DESY is involved in a number of major facilities that are no longer supported by one country alone, but are implemented as international projects. For example, DESY is participating in the experiments at the LHC and computer centres are being built on the DESY campus to monitor the data taking and analysis. DESY is also playing a major role in the next future-oriented project in particle physics, the design study for the International Linear Collider, especially in the fields of accelerator and detector technology.

DESY researchers at the Zeuthen location are also active in astroparticle physics, in projects that include the international neutrino telescope IceCube at the South Pole and the development work for a future gamma-ray telescope facility, the Cherenkov Telescope Array CTA. With these two projects, the researchers are taking advantage of the fastest and most reliable messengers from the far reaches of the cosmos – high-energy neutrinos and gamma radiation – to investigate the early stages of the universe.

Cooperations of outstanding research

Originally founded as a centre for basic research, DESY has long since been influencing many application areas that are central to our modern society, and cooperating with industry and economy to further innovations. To this end, new centres of excellence are being set up on the DESY campus. One of them is the “Center for Free-Electron Laser Science” (CFEL), a novel cooperation between DESY, the Max Planck Society (MPG) and the University of Hamburg, aimed at investigating the potential of the new free-electron lasers. The “Centre for Structural Systems Biology” (CSSB) is an interdisciplinary centre for research into infectious diseases, set up by partners from various universities and research institutions in northern Germany.

Another important challenge for the future of our society is the promotion of young scientists, an activity in which DESY engages intensely in cooperation with universities. One example is the “Partnership for Innovation, Education and Research” (PIER), a collaboration with the University of Hamburg. Concentrating on four ground-breaking research fields, PIER aims to support young scientists, initiate joint research projects and simplify academic appointment procedures, in order to make Hamburg an even more attractive location for research.

Scientific domains

High Energy Physics

Light Source

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Deutsche Elektronen-Synchrotron DESY

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