Top Quark Evidence
CDF (Collider Detector at Fermilab) events on screen possible top quark candidates. Evidence for the top quark. Computer display of particle tracks which provide strong evidence for the existence of the top quark. Top quarks are created in proton-antiproton collisions along with top anti-quarks. A top decays almost instantly into a bottom quark and a W boson. The W then decays into a quark-lepton pair. The magenta track has the highest momentum, and is a muon from a W decay. Green and yellow tracks are "jets" from other quark decays. The red arrow indicates "missing energy", normally due to one or more neutrinos. These tracks were detected by the D0 experiment at the Fermilab.
Size: 3750px × 3744px
Photo credit: © Photo Researchers / Alamy / Afripics
License: Licensed
Model Released: No
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