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Simon Van der Meer

Simon Van der Meer

H422/0011

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CERN / SCIENCE PHOTO LIBRARY CERN / SCIENCE PHOTO LIBRARY

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Editorial use only. This image may not be used to state or imply endorsement by CERN of any product, activity or service.

Caption

Simon Van der Meer (born 1925), Dutch physicist at CERN, the European particle physics laboratory outside Geneva. In the early 1970s, Van der Meer invented a technique for storing & concentrating antiprotons so that they would form a dense beam. This method, called stochastic cooling, is used in CERN's Antiproton Accumulator, from which antiprotons are injected into the Super-Proton- Synchrotron (SPS) accelerator & collided with protons. Use of the SPS as a proton-antiproton collider led to the 1983 discovery of the W & Z particles, the carriers of the weak force, for which Van der Meer shared the 1984 Nobel Prize for physics with Carlo Rubbia. Photo taken 1984.

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