tune of W-algo prior to APS
The following changes has been made to the W-algo before APS (January 2009).
The resulting W-alg version is B5.2
- restore cut on 1st hit Rxy (was accidentally dropped when we moved to use only prim tracks)
- allow for sector & run dependence of Rin & Rout (study for all TPC sectors in attachment A=Rin, B=Rout)
- change the first & last hit Rxy cut to be run dependent (see attachment C), change default last hit Rxy to 160 cm (was 170 cm)
- apply the following exceptions for Rin=90cm, Rout=160cm cut
TPC sector | Fills | runs | new cut value |
---|---|---|---|
4 | F10465 onward | R1009089 onward | Rin=125cm |
11 | F10415 onward | R10083013 onward | Rin=125 cm |
15 | F10455 - F10463 | R10088096-100912 | Rin=125 cm |
5 | F10508 onward | R100980112 onward | Rout=140cm |
6 | all pp500 data | all runs | Rout=140cm |
20 | F10494-F10517 | R10095120-1009978 | Rout=140cm |
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