Simulated Z particle event

Simulated Z particle event

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Caption: Computer simulation of a neutral Z particle "event" in the OPAL detector at CERN, the European centre for particle physics near Geneva. OPAL is one of 4 giant particle detectors at the LEP electron- positron collider. In the display, the green dots, yellow & purple boxes, & dark blue squares are "hits" recorded by the detector's various instruments. The computer derives from these "hits" the tracks (pale blue) of particles created in the electron-positron annihilation. The Z particle, one of the carriers of the weak nuclear force, will be produced in large quantities in LEP's extremely high-energy electron-positron collisions.

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Keywords: cern, collision, computer screen, electronic display, image, imagery, lep collider, opal detector, particle physics research, particles, simulation, track, tracks

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