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The idea behind de-ghosting the ACD focuses on the correspondents between these two channels. For in-time events where the PHA analysis measures more than 0.45 MIPs, the trigger veto should have ~always fired. However, for out-of-time events, the PHA can still be > 0.45 MIPs, but the trigger will have fired and reset. Thus, we can identify some ghost hits as having more than 0.45 MIPs but no trigger veto.
Basic Numbers
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Pure Ghost Sample
Data Set: Periodic GR-v19r4p1gr07
Pre-Filters: '(GltGemSummary&32) && CalEnergyRaw>5'
TotalEnergy vs. De-Ghosted TotalEnergy | TotalEnergy vs. De-ghosted TotalEnergy (Zoom) |
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