Energy deposition in the ECAL for 8 GeV electrons during dark photon processes and inclusive background interactions. (IMAGE)
Caption
In dark photon events, the deposited energy in the ECAL typically falls below 4 GeV, with energy decreasing as the dark photon mass increases. Conversely, inclusive background processes exhibit substantially higher energy deposition within the ECAL. The total energy measured in the ECAL serves as one of the primary features for distinguishing dark photon signals from background events
Credit
Li Shu
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License
CC BY-NC