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  1. Accept all events, whether or not they triggered - so TriggerAlg.mask = 0 AND OnboardFilter.mask = 0
  2. Shut off Gaussian noise in the PMTs
  3. Shut off edge effects in the tiles

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Originally 3 runs failed due to NFS problems - they've since been re-run but I didn't included them ..I'd already started looking at the other 97 runs and was too lazy to toss them in. So in reality, this considers 4.85 million generated events which resulted in 1,213,381 3-in-a-row triggers
Out of those triggers 364 events showed no hits in the ACD - where hit was defined as 0.1 MIP.

I've since gone through all All the events were viewed in the event display to categorize them.
There are some classes of events that should be discarded:
95 completely missed the instrument, the trigger was the result of noise

Image Added

51 were CAL events that had backsplash which triggered the TKR and just didn't happen to hit a tile
2 hit the space-craft and interacted causing backsplash.
So that leaves us with 216 to consider.

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