TPC tracking accuracy (by Gene):
I sampled processed data from runs 10078077-10089004 and found that the TPC shows much work to be done, but it appears accurate to say things are controlled to the 1-2mm level.
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| GridLeak measure of gap in residuals between padrows 12 and 14 vs. z shows about a ~1mm variation over all z:
 Image Modified |
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| Signed DCA of straight up (|eta|<0.05) tracks vs. z shows about ~2mm distortions a z beyond +/-50cm:
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- Signed DCA of all "good" tracks has a mean of ~1mm, sigma of ~3mm:
BTOW QA, all runs (by Justin) | PDF |
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| name | pp500-prodQA-BTOW_EtaPhi.pdf |
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ETOW QA, all runs (by Justin) | PDF |
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| name | pp500-prodQA-ETOW_EtaPhi.pdf |
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