W particle decay in UA1 detector, CERN

W particle decay in UA1 detector, CERN

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Caption: W particle decay in the UA1 detector at the CERN particle physics laboratory, Geneva. The W is one of the "carrier" particles which mediate the weak force. A proton & antiproton have collided & annihilated into pure energy in CERN's SPS collider. The energy rematerialises as a number of particles which include a W; the W is not visible because it immediately decays into other partic- les. In this computer display the UA1 detector is outlined in red. The signature of the W particle is a high-energy electron (blue track at bottom), a neutrino (arrowed track drawn in by the computer), & two jets of lower-energy particles (yellow & red) produced in the original collision. (Run 6059, Event 1010)

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Keywords: cern, computer screen, electron, electronic display, electroweak theory, gauge particle, particle physics research, salt, uai detector, w particle, weak nuclear force

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