Overview

  • high electron identification with shower shape
  • electron ID cuts
    • # of cluster > 100
    • # of ITS ; 3
    • -1<nSigma<3
    • TPC, ITS refit
    • TPC cluster ratio ; 0.6
    • SPD hits ; kAny
    • Centrality ; 0-10%

Shower shape

  • E/p vs. Shower Shape (pT>10 GeV/c)
Pic_Eop_ShowerCorr.png
  • Shower shapes with different E/p cut
    • E/p>0.9 (red) --- electron candidate
    • E/p<0.9 (blue) --- hadrons
Pic_Eop_Shower.png

E/p

  • E/p distribution with/without M20 cut
Pic_Eop_M20cut.png
  • E/p distribution with M20
Pic_Eop_EMCEGA0_10.png

Raw electrons

Pic_Raw_ele.png Pic_trigComp_0528.png Pic_Ince_0528.png
  • plots are updated on May 28th (event count wasn't correct)

Presentation

https://indico.cern.ch/getFile.py/access?contribId=0&resId=0&materialId=slides&confId=190895

/Users/shingo/WRK/Dayana/2012/05/10/Electrons_PbPb_20_20120508-0942
/Users/shingo/WRK/Dayana/2012/05/10/Electrons_PbPb_20_20120508-0942-cent
LEGO train20

-- ShingoSakai - 18-May-2012

Topic attachments
I Attachment History Action Size DateSorted ascending Who Comment
PNGpng Pic_EopBGsubnSig35noM20_fit.png r1 manage 24.5 K 2012-05-21 - 14:10 Ssakai  
PNGpng Pic_Eop_EMCEGA0_10.png r1 manage 23.2 K 2012-05-22 - 12:13 Ssakai  
PNGpng Pic_Eop_M20cut.png r1 manage 27.2 K 2012-05-22 - 12:13 Ssakai  
PNGpng Pic_Eop_Shower.png r1 manage 20.5 K 2012-05-22 - 12:14 Ssakai  
PNGpng Pic_Eop_ShowerCorr.png r1 manage 26.8 K 2012-05-22 - 12:12 Ssakai  
PNGpng Pic_Ince.png r1 manage 10.6 K 2012-05-22 - 12:17 Ssakai  
PNGpng Pic_Raw_ele.png r1 manage 7.2 K 2012-05-22 - 12:15 Ssakai  
PNGpng Pic_trigComp.png r1 manage 20.5 K 2012-05-22 - 12:16 Ssakai  
PNGpng Pic_Ince_0528.png r1 manage 10.6 K 2012-05-28 - 07:58 Ssakai  
PNGpng Pic_trigComp_0528.png r1 manage 20.9 K 2012-05-28 - 07:59 Ssakai  
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Topic revision: r5 - 2014-06-09 - ShingoSakai
 
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