Editorial use only. This image may not be used to state or imply endorsement by CERN of any product, activity or service Simon Van der Meer (born 1925
Editorial use only. This image may not be used to state or imply endorsement by CERN of any product, activity or service Simon Van der Meer (born 1925), Dutch particle physicist, at CERN (the European particle physics laboratory) near Geneva, Switzerland. In the early 1970s Van der Meer invented a technique for storing and concentrating antiprotons so that they would form a dense beam. This method, called stochastic cooling, was used in CERN's antiproton accumulator, from which antiprotons were injected into the super-proton-synchrotron (SPS) accelerator and collided with protons. Experiments in the SPS lead to the 1983 discovery of the W and Z particles, the mediators of the weak nuclear force, for which Van der Meer shared the 1984 Nobel Prize for physics with Carlo Rubbia.
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