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Run 17 TPC T0
Updated on Thu, 2017-04-13 13:15. Originally created by genevb on 2017-04-13 10:51.
First look, using prompt TPC hits in the file st_physics_18063014_raw_2000009. With significant pile-up, I had to fit for background+signal and used the form: p0 + p1*z + p2*exp(p3*(z-p4)*(z-p4)). I report in this table the prompt peak z position values of p4:
Below are the hit z distributions and fits used to determine these values. The values from east and west are no longer symmetric with the New TPC alignment, and are within half a millimeter (0.05 cm) of what was found for You do not have access to view this node, so I think all is as expected and there is no reason to alter the T0s for Run 17.
-Gene
Prompt peak z positions [cm] | East | West |
---|---|---|
Outer sectors | -209.590 ± 0.007 | 209.187 ± 0.007 |
Inner sectors | -209.396 ± 0.010 | 208.977 ± 0.010 |
Below are the hit z distributions and fits used to determine these values. The values from east and west are no longer symmetric with the New TPC alignment, and are within half a millimeter (0.05 cm) of what was found for You do not have access to view this node, so I think all is as expected and there is no reason to alter the T0s for Run 17.
Hit z distributions [cm] | East | West |
---|---|---|
Outer sectors | ||
Inner sectors |
-Gene
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