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comparison of two overlay versions |
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comparison with no overlay version |
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There are very noticeable outliers in the TkrDigiLayer and TkrDigiTower plots. I'm not sure what should be special in the overlays for Layers 7 and 17 or Towers 0 and 8? Calibration mismatch? The overlays are derived from data, but the system tests use ideal calibrations. (Nope. From Leon: the overlay events are type 0, where the specific calibration info is removed.)
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Note that the system tests pass all events, and there is no filtering or trigger criteria applied to the digi distributions.
v17r7 overlay vs no overlay | v17r15 vs no overlay |
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The overall level of digis is reduced for the later GR versions compared to v17r7. I think most some of this for the ACD should be because of the updates to exclude sub-threshold ACD tiles for PT events. The ACD hit status bits were added to ACDOverlay in v17r10.
A change in v17r13 is the handling of merging overlays into empty events, pure overlays. This should reduce the general level of digis.
Additional Overlay tests?
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The system tests do not pick up calibrations from the database and . They default to ideal calibrations, i.e. calibration flavor = "ideal".
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