Discovery of the W particle

xantox, 29 December 2006 in Gallery

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Discovery of the W particle at CERN proton-antiproton collider (1982)1. The proton-antiproton collision creates a W particle which then decays into an high-energy electron, emitted at a wide angle from the beam (indicated by the arrow at the bottom-right) and an invisible neutrino whose presence is deduced by the missing energy of the electron.

Discovery of the W particle at CERN proton-antiproton collider (1982)

Click image to zoom2


  1. C. Rubbia. Experimental observation of the intermediate vector bosons W+, W- and Z0. Nobel lecture, 8 december 1984 []
  2. © CERN []

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