The tunnel of the Super-Proton-Synchrotron (SPS) particle accelerator at CERN,the European particle physics laboratory outside Geneva. The SPS first accelerated protons in 1976,achieving energies of 400 GeV. Since 1981,the machine has also operated as a proton-antiproton collider,with the same magnets guiding protons and antiprotons around the ring in opposite directions. The accelerator forms an underground ring 7 km in circumference; it straddles the French/Swiss border. The photo was taken in 1976,shortly before the SPS began operating | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Cern |
Taille de l’image : | 4947 px × 3658 px |
Model Release : | Le droit n'est pas encore disponible. Merci de nous contacter avant utilisation. |
Property Release : | Non requis |
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