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You are here: GSI Wiki>FIRST Web>FirstPapers>FirstpaperSystematics (2014-12-01, AlessioSarti)
Systematics page
Reference data/MC sample
SVN revision 1600 was used to run against data and MC.- MC sample: prod v212 under lustre: single channels are masked.
- Data sample: prod v97 under lustre: single channels are masked.
- MC sample: prod v219
- Data sample: prov v106
Systematics table
| Check | Amount of change | Significance | MC sample | Data sample | Team | Notes |
|---|---|---|---|---|---|---|
| Subdetectors | ||||||
| TOF global position shift (x,y,z) | (1,3,10) cm | AV | ||||
| TOF Relative X position shift F/R | 1 cm | performed using default v212 ntuples | Production v103 (+1cm) and v104 (-1cm) | AV | Checked only on data. | |
| TOF Energy scale (For ZID? Eloss?) | AM | |||||
| TOF Single Channel slats | disable/enable | Resubimtted Full (prod v213) | Resubmitted full (prod v98) | AV | Modified inside TATactNtu {Raw,MC}.cxx the apply_singlechcal flag. | |
| TOF PEdestals within errors | AV | |||||
| TOF Threshold energy for efficiency | AV | |||||
| ALADIN position (xyz) | (10,10,5) cm | AV | ||||
| ALADIN current | 2% | AV | ||||
| VTX positioning | AM | |||||
| VTX reconstruction algorithms | Resubmitted full v216,v217 (change of tracking and vertexing algos) | Resubmitted full v101,v102 (change of tracking and vertexing algos) | AM | |||
| MUSIC position/tilt | AV | |||||
| Reconstruction | ||||||
| VTX-TOF scoring algorithm (charge/DeltaY) | Resubimtted Full (prod v214) | Resubmitted full (prod v99) | AM | |||
| VTX fragmentation checks | performed using default v212 ntuples | performed using default v97 ntuples | AM | |||
| Pileup checks | AM | |||||
| BM matching of vtx | Resubmitted Full (prod v215) | Resubmitted full (prod v100) | AM | |||
| Clustering: enabled/disabled | Resubimtted Full (prod v214). Clustering only is performed in prod v218. [to be debugged] Real clustering only implemented in prod v220. Tested inversion of Charge and DY weights in prod v221. | Resubmitted full (prod v99). Clustering only is performed in prod v105. [to be debugged] Real clustering only implemented in v107 Tested inversion of Charge and DY weights in prod v108. | AM | |||
| Using only F or R for reconstruction | AM | |||||
| PDFs modeling [fit level] | performed using default v212 ntuples | Performed using v97 ntuples. | ||||
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Topic revision: r8 - 2014-12-01, AlessioSarti
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