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Twist correction notes, pp2009
The twist correction has been detailed in STAR notes and in blog entries (see Eric Hjort and Gene Van Buren's blogs).
2010 BTOW REPAIRS
Here is a summary of the repairs to BTOW during September and October of 2009.
1) Examine 4 sources of data to find problems:
Run 9 T0 differences between fields
T0-by-padrow calibrations were performed for Run 9 using run 10118050 for RFF and run 10184053 for FF.
Final APS W abstracts
a) Jan Balewski: Submitted to E14a
b) Justin Stevens: Submitted to E14a
c) Ross Corliss: Submitted to F16
d) Bernd Surrow: Submitted to F1
Looking at non-gaussianity in the vernier scan
The basic issue is that the vernier scan fit doesn't seem to agree with the rough calculation that comes from using the rates from the trigger details page.
W analysis task list (October 22, 2009)
W analysis task list
Note: Most recent version: W-analysis-tasks.pdf