W particle decay in D-zero detector

W particle decay in D-zero detector

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Credit: FERMILAB/SCIENCE PHOTO LIBRARY

Caption: Production and decay of a W particle in the D0 (D-zero) detector at Fermi National Accelerator Laboratory (Fermilab) near Chicago. The computer display shows D0 in cross-section, outlined in black. A proton and antiproton, accelerated in Fermilab's Tevatron collider, annihilate at centre to produce a jet of particles (coloured blocks pointing down) and a recoiling W, which lives too briefly to be seen but reveals itself by its decay into an electron (red block at right) & a neutrino (the pink line shows its path towards the top). The positive and negative W particles are carriers of the weak nuclear force & members of the family of elementary particles called gauge bosons.

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Keywords: computer screen, d nought, d zero, d-zero detector, d0, d0 detector, electronic display, electroweak theory, fermi national accelerator lab, fermilab, force-carrying particles, gauge bosons, high-energy physics, particle physics research, subatomic particles, the particle odyssey, w particle, weak nuclear force

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