HERA collider

HERA collider

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Caption: HERA particle collider. Technician climbing through a hatch at the HERA particle collider at DESY (Deutsch Elektronen Synchrotron). HERA (Hadron Electron Ring Accelerator) consists of a pair of accelerator rings mounted in a 6.3km circumference tunnel. The upper (cream-coloured) ring carries protons, whilst the lower (pink) ring carries electrons in the other direction. At four points on the ring the beams cross providing proton/electron collisions at an energy of 850 GeV. 100,000 of these collisions are produced every second. Four detectors (H1, ZEUS, Hermes & Hera-B) ) study these collisions. Photographed near Hamburg, Germany, in May 1999.

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Keywords: accelerator, collider, desy, deutsch elektronen synchrotron, german, germany, gluons research, hadron electron, hamburg, hatch, hera accelerator, hera at desy, hera ring tunnel, nuclear research, particle physics, particle physics laboratory, physicist, protons, quarks, ring tunnel, scientist, technician

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