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root/cvsroot/UserCode/DGele/PhysicsTools/PatUtils/src/CaloJetSelector.cc
Revision: 1.1
Committed: Tue Oct 20 17:15:14 2009 UTC (15 years, 6 months ago) by dgele
Content type: text/plain
Branch: MAIN
Branch point for: ANA
Log Message:
Initial revision

File Contents

# User Rev Content
1 dgele 1.1
2     #include "PhysicsTools/PatUtils/interface/CaloJetSelector.h"
3     #include "DataFormats/Math/interface/deltaR.h"
4    
5     using pat::CaloJetSelector;
6    
7     //______________________________________________________________________________
8     const pat::ParticleStatus
9     CaloJetSelector::filter( //const unsigned int& index,
10     // const edm::View<reco::CaloJet>& Jets
11     const reco::CaloJet& Jet
12     ) const
13     {
14     ParticleStatus result = GOOD;
15    
16     ///Retrieve information
17     ///Pt Jet
18     if (Jet.p4().Pt()<config_.Ptmin) result = BAD;
19    
20     ///eta region
21     double eta = fabs(Jet.p4().Eta());
22     if (eta>config_.Etamax) result = BAD;
23    
24     ///electromagnetic fraction
25     double EMF = Jet.emEnergyFraction();
26     if (EMF<config_.EMFmin ||
27     EMF>config_.EMFmax ) result = BAD;
28    
29     ///(EMCalEnergyFraction + HadCalEnergyFraction) / (EMCalEnergyFraction - HadCalEnergyFraction)
30     double HadF = Jet.emEnergyFraction();
31     double EMvsHadF = 0.;
32     if (EMF-HadF!=0.) EMvsHadF = (EMF+HadF)/(EMF-HadF);
33     if (EMvsHadF<config_.EMvsHadFmin ||
34     EMvsHadF>config_.EMvsHadFmax ) result = BAD;
35    
36     //ratio Energy over Momentum (both from calorimeter)
37     //Useful? Both come from a lorentz-vector
38     //double EoverP = 0.;
39     //if (Jet.p4().P()!=0.) EoverP = Jet.energy() / Jet.p4().P();
40     //if (EoverP > config_.EoverPmax) result = BAD;
41    
42     ///n90: number of towers containing 90% of the jet's energy
43     double n90 = Jet.n90();
44     if (n90<config_.N90min ||
45     n90>config_.N90max ) result = BAD;
46    
47     ///Tower Number
48     std::vector<CaloTowerPtr> jetTowers = Jet.getCaloConstituents();
49     if (jetTowers.size()<config_.NCaloTowersmin ||
50     jetTowers.size()>config_.NCaloTowersmax ) result = BAD;
51    
52     //calculate tower related variables:
53     double MaxEnergyTower = 0., SumTowPt=0., SumTowPtR=0.;
54     for(std::vector<CaloTowerPtr>::const_iterator tow = jetTowers.begin(),
55     towend = jetTowers.end(); tow != towend; ++tow){
56    
57     SumTowPt += (*tow)->et();
58     SumTowPtR += (*tow)->et()*deltaR( Jet.p4().Eta(), Jet.p4().Phi(),
59     (*tow)->eta(), (*tow)->phi() );
60     if ( (*tow)->et() > MaxEnergyTower )
61     MaxEnergyTower = (*tow)->et();
62     }
63    
64     ///Highest Et Tower / Et Jet
65     double EtTowerMaxOverEtJet = 0.;
66     if (Jet.p4().Et()!=0.) EtTowerMaxOverEtJet = MaxEnergyTower /Jet.p4().Et();
67     if (EtTowerMaxOverEtJet < config_.HighestTowerOverJetmin ||
68     EtTowerMaxOverEtJet > config_.HighestTowerOverJetmax ) result = BAD;
69    
70     ///Sum(E Twr * DeltaR(Twr-Jet)) / Sum(E Twr)
71     double RWidth = 0.;
72     if (SumTowPt!=0.) RWidth = SumTowPtR /SumTowPt;
73     if (RWidth < config_.RWidthmin ||
74     RWidth > config_.RWidthmax ) result = BAD;
75    
76     ///Pt Jet / Towers Area
77     double PtJetoverArea = 0.;
78     if (Jet.towersArea() !=0.) PtJetoverArea = Jet.p4().Pt() / Jet.towersArea();
79     if (PtJetoverArea < config_.PtJetOverArea_min ||
80     PtJetoverArea > config_.PtJetOverArea_max ) result = BAD;
81    
82     ///Highest Et Tower / Towers Area
83     double PtToweroverArea = 0.;
84     if (Jet.towersArea() !=0.) PtToweroverArea = MaxEnergyTower / Jet.towersArea();
85     if (PtToweroverArea < config_.PtTowerOverArea_min ||
86     PtToweroverArea > config_.PtTowerOverArea_max ) result = BAD;
87    
88     return result;
89     }