- #1
touqra
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I was looking at this event display from CDF on their discovery of ZZ production. Why is lepton 1 having an ambiguity of either an electron or muon ?
http://fcdfwww.fnal.gov/physics/ewk/2007/ZZ/evd/r211311_e233113.html
http://fcdfwww.fnal.gov/physics/ewk/2007/ZZ/evd/r211311_e233113.html
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