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Apr. 17 European Organisation For Nuclear Research CERN proton synchrotron Aerial view of the CERN nuclear research laboratories. At the left can be seen the 25-28 thousand million electron-volt (25-28 GeV) alternating gradient proton synchrotron, world's biggest atom-smasher. In the foreground the large experimental halls in which the high energy nuclear physics experiments are carried out and, to the rear of these, the huge ring building, 200 metres (656 feet) in diameter, embedded in the earth, in which protons are accelerated up to 99.94% of the speed of light. This machine is the joint venture realization of the twelve European founding Member States of CERN
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Accelerated Alternating Biggest Cern Diameter Electron-volt Embedded Experimental Experiments Founding Gradient Halls Joint Laboratories Proton Protons Realization Synchrotron Thousand Venture
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