v2 of inclusive electrons

Scope: PWG
PWG-HF (Heavy Flavour)
Energy
5.02 TeV
System
Pb-Pb
Figure Image
Figure image (.eps)
Figure image (.pdf)
Figure Caption

Inclusive electron v2

Detail description
  1. Data sample: LHC15o pass1 and LHC15o pass1 pidFix 
  2. Event cuts: 
  • Number of tracks > 2
  • Contributors of primary vertex (TRK) > 2
  • Contributors of SPD primary vertex > 1
  • |VTRK| z < 10 cm
  • dz = |VSPD −VTRK| zz   < 0.2 cm
  • dz / cov(zz)T RK + cov(zz)SPD  < 10
  • dz / cov(zz)T RK  < 20 

  3.Track cuts:page12image2648 page12image2808

  • filter mask: kTrkGlobalNoDCA
  • acceptance: |η| < 0.7 and 0◦ ≤ φ ≤ 360◦ 
  • ITS and TPC refit 
  • Min TPC clusters: 5 for pt<3 GeV/c and 3 for pt>=3 GeV/c
  • Min ITS clusters: 100
  • ITS layer: kFirst
  • DCAx,y: 2.4 cm
  • DCAz: 3.2 cm
  • TPC found clusters / findable TPC clusters > 0.6
  • Rejected kink candidates
  • pT interval: 1.5 ≤ pT < 8 GeV/c 

  4. Cluster cuts:

  • acceptance: |η| < 0.7 and 80◦ < φ < 187◦ 
  • Cell energy > 50 MeV
  • Cluster energy > 100 MeV
  • Min cells in cluster: 2
  • Min distance to bad channel: 2
  • Cluster time < 50 ns 
  • pT interval: 3 ≤ pT < 8 GeV/c 

  5. Tender used

  6. PID: ITS-TOF-TPC for pt < 3 GeV/c and TPC-EMCal for pt>= 3 GeV/c