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An ATLAS double Z candidate

This event may not be a Higgs but a Higgs might look similar to this in ATLAS. One possible Higgs decay mode produces two Z bosons...and one decay mode for a Z boson produces two muons. Here we see four muons indicated by the reconstructed red line tracks. Using momentum data for the right combination of pairs of muon tracks, physicists can calculate two masses close to that of the Z.

Credit: ATLAS Experiment© 2011 CERN

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Taken on August 24, 2011