Example Events Containing an Muon

Muons are the only type of particle that have a high probability of being able to pass through all the calorimeters and leave signals in the muon chambers. The signals the particle produces in the muon chambers are shown as the blue crosses and the light blue arrow in the following pictures.

Example Muon Number 1

End-On View of Event

Side View of Event

A particle that travels in a direction close to the axis of the cylinder passes out of the flat end of the cylinder. In order to identify such particles there are calorimeters and muon chambers also in this region of the detector, which we call the "end-cap". Here is an example of a muon in the end-cap region.

Example Muon Number 2

End-On View of Event

Side View of Event

Next take a look at some example events containing an electron.

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