WH, H->bb MICHAEL WRIGHT, UNIVERSITY OF GLASGOW. INTRODUCTION Optimize University of Glasgow WH analysis by comparing with LMU and Wisconsin MC cut flows.

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Presentation transcript:

WH, H->bb MICHAEL WRIGHT, UNIVERSITY OF GLASGOW

INTRODUCTION Optimize University of Glasgow WH analysis by comparing with LMU and Wisconsin MC cut flows. Compare cut flows with the new proposed baseline cuts from 05/04/2011 H->bb meeting. Data sets used: Wenu : mc10_7TeV PythiaWenu_no_filter.merge.NTUP_TOP.e574_s933_s946_r183 5_r1700_p406_tid256551_00 : NTUP_TOP _ root.2 Wmunu: mc10_7TeV PythiaWmunu_no_filter.merge.NTUP_TOP.e574_s933_s946_r18 31_r1700_p406_tid256552_00 : NTUP_TOP _ root.2 MICHAEL WRIGHT, H->BB, 11/04/2011 2

BASELINE CUTS WH, H->bb summer conf baseline cuts can be found here:  on on New proposed baseline cuts can be found on the Hbb Sharepoint. Main Changes Muons: |eta| < 2.4 from 2.5 pTtrk20/pT < 0.1 from pTtrk20 < 1.8GeV Electrons: |eta| < 2.47 incl. crack from 2.5 excl. crack MET: MET_RefFinal from MET_LocHadTopo Jet: |eta| < 4.5 from 2.5 Jet Cleaning only on Jets with pT > 20 GeV MICHAEL WRIGHT, H->BB, 11/04/2011 3

CUT FLOW COMPARISON MC Cut flow Wmunu Wenu ttbar SelectionWisconsinGlasgowWisconsinGlasgowWisconsinGlasgow Initial N Lep > Trigger Vertex MET Cleaning Lepton Veto MT MET Njet >= Njet = NBJet = NBJet =

NEW BASELINE CUT FLOW COMPARISON MICHAEL WRIGHT, H->BB, 11/04/ MC Cut flowWmunu SelectionGlasgow (New) Glasgow (old) Initial9998 Author7344 Eta Pt Pixel SCT SCT/Pixel Holes b-layer TRT Z0/d Isolation Mu-jet or Mu-el N Lep > Trigger Vertex MET Cleaning Lepton Veto MT MET Njet >= Njet = NBJet = 183 NBJet = 200

MICHAEL WRIGHT, H->BB, 11/04/ MC Cut flowWenu SelectionGlasgow (New) Glasgow (old) Initial9998 Author7984 IsEM checkOQ4461 Pt3750 Eta N Lep > Trigger Vertex MET Cleaning Lepton Veto MT MET Njet >= Njet = NBJet = 111 NBJet = 200