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Z electron + Ï„ Jet Search. Joshua Swanson. Action Items. Pursue using a shrinking cone move analysis to 31X. Moved away from PF2PAT and now have this working and can easily switch between shrinking and fixed cone algorithms.

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z electron jet search

Z electron + τ Jet Search.

Joshua Swanson

Joshua Swanson

action items
Action Items
  • Pursue using a shrinking cone move analysis to 31X.
    • Moved away from PF2PAT and now have this working and can easily switch between shrinking and fixed cone algorithms.
  • Investigate relative isolation with a floor(1 GeV floor?) and a looser HCAL isolation cut.
  • Move toward completing physics analysis, Estimate Z->tautau cross section error.
  • Build Z->etau validation package for the tau group

Joshua Swanson

shrinking cone vs fixed cone s
Shrinking Cone vs. Fixed Cone τs
  • Discrimination:
    • Electron Rejection
    • Muon Rejection
    • Lead Track Finding
    • Isolation
    • Lead Track Pt
  • Shrinking Cone performs better as expected.

Joshua Swanson

electron track isolation
Electron Track Isolation
  • Track Isolation < 1 for Et<30
  • Track Isolation < 3-60/Et for Et>30

Joshua Swanson

electron ecal isolation
Electron ECAL Isolation
  • Ecal Isolation < 2 for Et < 30
  • Ecal Isolation < 3-30/Et for Et>30

Joshua Swanson

electron hcal isolation
Electron Hcal Isolation
  • Flat cut at 2.5?

Joshua Swanson