Impact Parameter

  • The track selection for isolation calculation is: pT>1GeV. |do|<10mm |z0|<10mm nHitSi>=4


Muon Track collection in ESD

  • Rec::TrackParticleContainer
family Staco Muid
MS MuonboyMuonSpectroOnlyTrackParticles MooreTrackParticles
MS extrap MuonboyTrackParticles MuidExtrTrackParticles
CB StacoTrackParticles MuidCombTrackParticles
Tag MuTagTrackParticles MuTagIMOTrackParticles  
Extra   MuGirlRefittedTrackParticles

  • Trk::TrackContainer
family Staco Muid
MS ConvertedMBoyMuonSpectroOnlyTracks MooreTracks
MS extrap ConvertedMBoyTracks MuidExtrapolatedTracks
CB ConvertedStacoTracks ConvertedMuIdCBTracks
Tag ConvertedMuTagTracks MuTagIMOTracks  
Extra   MuGirlRefittedTracks

* MuonContainer

family Staco Muid Calo LowBeta
no overlap StacoMuonCollection MuidMuonCollection CaloMuonCollection MuGirlLowBetaCollection
with overlap StacoESDMuonCollection MuidESDMuonCollection CaloESDMuonCollection  

Muon identification

Muon Combined Performance

  • ATL-COM-PHYS-2010-101: Identification of muon candidates in pp collisions at sqrt(s)=900 GeV with the ATLAS detector by Orestano, D ; Liebig
  • Fabio Cerutti, MAFT studies on Fall 2009 cosmics talk Feb 24 2010
    • muon tracking efficiency, muon resolution


  • 25-Oct-2010: Study of muon momentum smearing and estimation of WW detection sensitivity by YANG, Haijun
  • July 29, 2010: Z Boson Selection and Performance by M. Schott
  • October 25, 2010: Muon Performance based on Z Bosons with L = 7.1pb−1 by M.Schott

Efficiency measurement

Background Study

  • Marcel Raas: Charge asymmetry W+/W- pdf
  • d0/sigma(d0) with respect to primary vertex
  • chi2_ID, chi2_combined for kink identification
  • (E_ID - E_MS - E_param) / sigma_total for decay in flight and other source of fakes
  • Efficiency: tag and probe from J/psi, Upsilon
  • Cosmic Veto Mar 3 2010
    • Estimate cosmic contamination is compatible to Z' search
    • Using TRT timing
    • Nectarios Benekos Cosmic filter tools pdf
      • Use MDT, RPC, TileCal, TRT timing for veto

MuID collection

Ntuple and Data

7TeV Muon Study

  • Feb 24 MCP in Atlas Week
    • Introduction talks about the plan for 7 TeV minBias muon - Wolfgang Liebig
    • Inclusive muon composition at 7 TeV - Oliver Kortner studied pi/k/b/c component of inclusive muon.
      how about punch through and sail through?
    • Susumu Oda:Apr 6 describes details of good event selection

900 GeV minBias muon study

  • MCP on Mar 9 2010
    • three studies show Data/MC comparison, David Adams, Matthew King, Jianbei Liu

-- ShihChiehHsu - 15 Jul 2009

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Topic revision: r14 - 2011-05-17 - ShihChiehHsu
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