Muon Isolation in 22X

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Muon Isolation in 22X. Adish Vartak. Monte Carlo samples used. /QCDpt80/Summer08_IDEAL_V11_redigi_v1/GEN-SIM-RECO /Zmumu/Summer08_IDEAL_V11_redigi_v2/GEN-SIM-RECO 100,000 events from each of the files have been used CMSSW 2_2_9 was used for the study. Tracker Isolation. - PowerPoint PPT Presentation

Text of Muon Isolation in 22X

Muon Isolation in 22X

Muon Isolation in 22XAdish VartakMonte Carlo samples used/QCDpt80/Summer08_IDEAL_V11_redigi_v1/GEN-SIM-RECO/Zmumu/Summer08_IDEAL_V11_redigi_v2/GEN-SIM-RECO100,000 events from each of the files have been usedCMSSW 2_2_9 was used for the studyTracker IsolationMuon from QCD sample15 GeV/c cut on reco muon PTMuon from the Drell Yan sample15 GeV/c cut on reco muon PTMC Truth matching:Gen pdgId * charge of reco muon = -13Gen muon status = 1Gen muon parent is ZR between gen and reco muon < 0.5PT/PT Gen between Gen and reco muon < 0.5

Track QualityCertain custom set of cuts were borrowed from Matts earlier study. I refer to these as custom cutsThere are built in quality flags in the reco Track objectloose, tight and highPurityMatts Custom Set of Cuts (New Quality Cuts)

Muon PT (without any cuts)

Muon PT for Drell Yan sample with MC Matching

Muon PT for Drell Yan sample with MC Matching and Pt > 15 cut

Muon PT for QCD sample with PT > 15 cut

Track PT without any cuts for Drell Yan Sample

Track PT for all tracks for QCD Sample

PT DefinitionOuter cone radius : 0.3Inner Cone radius : 0.015Tracks with no cuts, custom cuts and tight cuts have been consideredPT around Muons (no quality cuts)

PT around Muons (Custom cuts)

PT around Muons (Tight cut)

Normalized PT Integral (no cuts)

Normalized PT Integral (custom cuts)

Normalized PT Integral (tight cuts)

Efficiency Plots for Different Track Qualities

Inner Cone Variation (Custom Quality Cuts)

Outer Cone Variation (Custom Quality Cuts)