Z Decaying to muons

The electron and positron beams collide in the centre of the detector
A Z particle is produced (at rest)
The Z particle immediately decays into two muons
Each muon leaves a charged track in the tracking chamber (red)
Muons do not leave very much energy in either the electromagnetic (green) or hadronic (yellow) calorimeters
The position where the the muons exit the detector is indicated by dedicated muon chambers (blue)

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