HIGGS JETS
 

Study of b, b^  background and W to e- and neutrino

Diagnostic Plots

MC pt distribution of b and b^

MC eta distribution of b and b^

MC phi distribution of b and b^

MC R distribution of b and b^

Jets pt distribution

Jets eta distribution

Jets phi distribution
 

Reco effeciency studies

Mid point algorithm reconstructioning jets with R=0.5 cone

Searching within R=0.5 radius

Searching within R=0.5 radius allowing a single jet to be used only once.

Searching within R=0.5 radius after radiation

Searching within R=0.5 radius after radiation allowing a single jet to be used only once.

Searching within R=0.7 radius

Searching within R=0.7 radius allowing a single jet to be used only once.
 
 

Study of  Higgs decaying into b, b^ and W to e- and neutrino

Mid point algorithm reconstructing jets with R=0.5 cone

Pt distribution of the parton b, b^ before radiation

Pt distribution of the parton b, b^ after radiation
 
 

UIC group talk on 26SEP03

Jet reconstruction effeciency for the highest energy electron

Jet reconstruction removing bs that might be decaying into muons

Delta R plateau for 30GeV bs

Delta R plateau for 40GeV bs
 

04NOV03 - QCD inclusive

QCD inclusive pT>20 GeV R<0.60

QCD inclusive pT>20 GeV R<1.00

QCD inclusive efficiency vs. R - plateau curve

20FEB04 - Results

 Jets with EM objects inside are removed and bs that decayed into muons are removed

 -0.7 < eta < 0.7
 b & bbar Jet Reconstruction Efficiency before radiation search cone deltaR < 0.75
 QCD-inclusive jet reconstruction efficiency

Jet Reconstruction Efficiency before radiation / QCD Jet Reconstruction Efficiency
 Fitting function   tanh (x * p0 + p1)
 Central   -0.7 < eta < 0.7
 Mid     -1.6 < eta < -0.7  OR  0.7 < eta < 1.6
 Fwd      -2.5 < eta < -1.7 OR 1.7 < eta < 2.5

6MAR04 - D0 Note preparation

Reco_jet in ppt  pdf  ps formats

1st draft of unfinished D0 note

12APR04 - Z + jets
 

21JUN04 - Jet Eff L2 Veto

Jet eff in ppt  pdf  ps formats

Reco Jet Multiplicity after L2 veto

28JUN04

Delta R straight efficiency parton - cal jet

2JUL04

Reco Jet Mult. no L2 Veto pt Reco Jets > 25.0 GeV

9DEC04

Pass 2 data - DIEM skim

All jets pt > 20.0 GeV eta

All taggable jets pt > 20.0 GeV eta

All taggable jets pt >20.0 GeV detector eta

Eta distribution for all L1 cal towers et>2.0 for taggable jets

Eta distribution for all L2 EM objects et>4.0 for taggable jets

Eta distribution for all L2 Jet objects et>4.0 for taggable jets

Eta distribution for all L3 Jet objects for taggable jets

10DEC04

No quality cuts, with JES corrected, all jets

No quality cuts, with JES corrected, taggable jets

All quality cuts except L1 Confirmation

No L1 confirmation all jets, eta

No L1 confirmation taggable jets, eta

No L1 confirmation taggable detector eta for jets

13DEC04

Jet eta distribution - removed 8 groupings of runs

14DEC04

Pass 1 Jet eta distribution

Pass 1 Jet eta distribution - removed 8 groupings of runs

16DEC04

Compare Pass 1 no T42 corrections, JES 5.1 to JES 5.3

17DEC04

Compare Pass 1 no T42 corrections, JES 5.1 to JES 5.3 pt>25.0

20DEC04

Pass 2 scale factor 1.00 * Erf( 0.02852 * Z_pt + 0.2623)

Cal_jet_pt = 71/80 * Z_pt + 5.25

Straight Reco eff as a function of jet particle pt

p0 * Erf( p1 * x + p2 * x^(1/2) + p3 * x^(1/4)

Paramaters for CC, ICR, and FWD