LEP particle collider at CERN
Numéro d’image : 11517697
| View of LEP,the Large Electron-Positron collider at CERN,the European centre for particle physics near Geneva. LEP accelerates electrons & positrons to an energy of 50 GeV. It is housed in a circular tunnel 100m underground & 27km in circumference. The particles travel in opposite directions inside a narrow aluminium pipe which passes through the large electromagnets seen in this picture. The brown & white magnets are dipoles that bend the particles around the ring; the blue magnets are quadrupoles that focus them in tight bunches. The particles collide at 4 points around the tunnel where their interactions are observed by 4 giant detectors. LEP starts operations in July 1989. Photo taken April 1989 | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Parker, David |
| Taille de l’image : | 4689 px × 3808 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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