Installing UA1 detector, CERN

Installing UA1 detector, CERN

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Caption: View of the installation of the Central Detector in the huge UA1 detector at CERN, the particle physics laboratory outside Geneva. UA1 detects particles created in proton/antiproton collisions in the Super- Proton-Synchrotron (SPS) accelerator. The Central Detector is a gas-filled cylinder strung across with thousands of fine wires; its surface is covered with electronic circuits to amplify the tiny signals from the wires. In 1983, UA1 discovered the W and Z particles, the mediat- ors of the weak force. The discovery provided important confirmation of "electroweak" theory & earned the 1986 Nobel prize in physics for Carlo Rubbia, the Italian leader of the UA1 team.

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Keywords: cern, detector, european centre for, geneva, nuclear research, particle physics laboratory, switzerland, ua1 detector

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