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An interesting feature in the CalTrackAngle suggests that some non-negligible number of events have their cluster direction mis-aligned with the tracker track by 90 degrees. This comes from the fact that when a single crystal is hit crystal in the calorimeter, the CAL axis is set to (0,0,0). When dotted into the TKR direction and taking the arccosine, you are left with 1.57...
CalTrackAngle |
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