Paul Scherrer Institute

The Paul Scherrer Institute (PSI) is an multi-disciplinary research institute. It was established in 1988 by merging in 1960 established EIR (Eidgenössisches Institut für Reaktorforschung) and in 1968 established SIN (Schweizerisches Institut für Nuklearphysik).

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1988 - 1960 - 1968

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The PSI is a multi-disciplinary research centre for natural sciences and technology. In national and international collaboration with universities, other research institutes and industry, PSI is active in solid state physics, materials sciences, elementary particle physics, life sciences, nuclear and non-nuclear energy research, and energy-related ecology.

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It is the largest Swiss national research institute with about 1,200 (year 2004) members of staff, and is the only one of its kind in Switzerland.

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Besides numerous (smaller scale) research fields (wind, solar power, biology, chemistry, nano-technology, ...)

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the PSI also runs several Particle accelerators. 590MeV Cyclotron, with its 72MeV companion

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Particle accelerator - Cyclotron

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pre-accelerator, is one of them. At present (2004), it delivers up to 2mA proton beam, which is the world record

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for the proton cyclotrons. It drives the Spallation-neutron-source complex. The latest built (in 2001) is

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Spallation - Neutron

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the Synchrotron Light Source (SLS), 2.4GeV electron Storage-ring. It is one of the world's best in electron beam brilliance and stability.

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Synchrotron - Electron - Storage-ring

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The proton accelerator is driving the Tumor-therapy medical research project, too. The excelent and promising results has led to installation of the new, compact Supracondacting proton accelerator

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Tumor-therapy - Supracondacting

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(Project Proscan). It has been developed in a collaboration with

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industry. The goal is to provide the hospital-sutable proton-tumor-therapy device.

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