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ZMuMuIsolationAnalyzer.cc
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22 #include "TH1.h"
23 #include "TH2.h"
24 #include "TMath.h"
25 #include <vector>
26 #include <string>
27 #include <iostream>
28 #include <sstream>
29 
30 using namespace edm;
31 using namespace std;
32 using namespace reco;
33 using namespace isodeposit;
34 
36 public:
38 private:
39  virtual void analyze(const edm::Event& event, const edm::EventSetup& setup) override;
40  virtual void endJob() override;
42  double dRVeto;
43  double dRTrk, dREcal, dRHcal;
44  double ptThreshold, etEcalThreshold, etHcalThreshold;
45  double alpha, beta;
46  double pt, eta;
47  double iso_cut;
48 
49  TH1F * h_IsoZ_tk,* h_IsoW_tk,* h_IsoOther_tk ;
50  TH1F * h_IsoZ_ecal,* h_IsoW_ecal,* h_IsoOther_ecal ;
51  TH1F * h_IsoZ_hcal,* h_IsoW_hcal,* h_IsoOther_hcal ;
52  TH1F * IsoZ,* IsoW,* IsoOther ;
53  TH1F * TkrPt,* EcalEt,* HcalEt ;
54  TH1F * EcalEtZ, * HcalEtZ;
55 
56  TH1F * Z_eta,* W_eta,* Other_eta;
57  TH1F * Z_eta_postSelection,* W_eta_postSelection,* Other_eta_postSelection;
58  TH1F * Z_pt,* W_pt,* Other_pt;
59  TH1F * Z_pt_postSelection,* W_pt_postSelection,* Other_pt_postSelection;
60 
61  enum MuTag { muFromZ, muFromW, muFromOther };
62  template<typename T>
63  MuTag muTag(const T & mu) const;
64  void Deposits(const pat::IsoDeposit* isodep, double dR_max, TH1F* hist);
65  void histo(TH1F* hist, const char* cx, const char* cy) const;
66 };
67 
68 template<typename T>
70  GenParticleRef p = mu.genParticleRef();
71  if(p.isNull()){
72  // cout<<"genParticleRef is null "<<endl;
73  return muFromOther;
74 }
75  int sizem = p->numberOfMothers();
76  if(sizem != 1) {
77  //cout<<"number of mothers !=1 "<<endl;
78  return muFromOther;
79  }
80  const Candidate * moth1 = p->mother();
81  if(moth1 == 0) {
82  return muFromOther;
83  //cout<<"no mother "<<endl;
84  }
85  int pdgId1 = moth1->pdgId();
86  if(abs(pdgId1)!=13){
87  return muFromOther;
88  //cout<<"mother is not a muon"<<endl;
89  }
90  const Candidate * moth2 = moth1->mother();
91  if(moth2 == 0) {
92  return muFromOther;
93  //cout<<"no mother "<<endl;
94 }
95  int pdgId2 = moth2->pdgId();
96  if(pdgId2 == 23) {
97  //cout<<" muon from Z"<<endl;
98  return muFromZ;
99  }
100  if(abs(pdgId2)==24) return muFromW;
101  else {
102  //cout<<" muon from other"<<endl;
103  return muFromOther;
104  }
105 }
106 
107 void ZMuMuIsolationAnalyzer::Deposits(const pat::IsoDeposit* isodep,double dR_max,TH1F* hist){
108  for(IsoDeposit::const_iterator it= isodep->begin(); it!= isodep->end(); ++it){
109  if(it->dR()<dR_max) {
110  double theta= 2*(TMath::ATan(TMath::Exp(-(it->eta() ) ) ) );
111  // double theta= 2;
112  hist->Fill(it->value()/TMath::Sin(theta));
113  }
114  }
115 }
116 
117 void ZMuMuIsolationAnalyzer::histo(TH1F* hist, const char* cx, const char*cy) const{
118  hist->GetXaxis()->SetTitle(cx);
119  hist->GetYaxis()->SetTitle(cy);
120  hist->GetXaxis()->SetTitleOffset(1);
121  hist->GetYaxis()->SetTitleOffset(1.2);
122  hist->GetXaxis()->SetTitleSize(0.04);
123  hist->GetYaxis()->SetTitleSize(0.04);
124  hist->GetXaxis()->SetLabelSize(0.03);
125  hist->GetYaxis()->SetLabelSize(0.03);
126 }
127 
129  srcToken(consumes<CandidateView>(pset.getParameter<InputTag>("src"))),
130  dRVeto(pset.getUntrackedParameter<double>("veto")),
131  dRTrk(pset.getUntrackedParameter<double>("deltaRTrk")),
132  dREcal(pset.getUntrackedParameter<double>("deltaREcal")),
133  dRHcal(pset.getUntrackedParameter<double>("deltaRHcal")),
134  ptThreshold(pset.getUntrackedParameter<double>("ptThreshold")),
135  etEcalThreshold(pset.getUntrackedParameter<double>("etEcalThreshold")),
136  etHcalThreshold(pset.getUntrackedParameter<double>("etHcalThreshold")),
137  alpha(pset.getUntrackedParameter<double>("alpha")),
138  beta(pset.getUntrackedParameter<double>("beta")),
139  pt(pset.getUntrackedParameter<double>("pt")),
140  eta(pset.getUntrackedParameter<double>("eta")),
141  iso_cut(pset.getUntrackedParameter<double>("isoCut")) {
143  std::ostringstream str1,str2,str3,str4,str5,str6,str7,str8,str9,str10,n_tracks;
144  str1 << "muons from Z with p_{t} > " << ptThreshold << " GeV/c"<<" and #Delta R < "<<dRTrk;
145  str2 << "muons from W with p_{t} > " << ptThreshold << " GeV/c"<<" and #Delta R < "<<dRTrk;
146  str3 << "muons from Others with p_{t} > " << ptThreshold << " GeV/c"<<" and #Delta R < "<<dRTrk;
147  str4 << "muons from Z with p_{t} > " << ptThreshold << " GeV/c"<<" and #Delta R < "<<dRTrk<<" (alpha = "<<alpha<<" , "<<"beta = "<<beta<<" )";
148  str5 << "muons from W with p_{t} > " << ptThreshold << " GeV/c"<<" and #Delta R < "<<dRTrk<<" (alpha = "<<alpha<<" , "<<"beta = "<<beta<<" )";
149  str6 << "muons from Other with p_{t} > " << ptThreshold << " GeV/c"<<" and #Delta R < "<<dRTrk<<" (alpha = "<<alpha<<" , "<<"beta = "<<beta<<" )";
150  n_tracks <<"Number of tracks for muon with p_{t} > " << ptThreshold <<" and #Delta R < "<<dRTrk<< " GeV/c";
151  str7<<"Isolation Vs p_{t} with p_{t} > " << ptThreshold << " GeV/c"<<" and #Delta R < "<<dRTrk<<"(Tracker)";
152  str8<<"Isolation Vs p_{t} with p_{t} > " << ptThreshold << " GeV/c"<<" and #Delta R < "<<dRTrk<<"(Ecal)";
153  str9<<"Isolation Vs p_{t} with p_{t} > " << ptThreshold << " GeV/c"<<" and #Delta R < "<<dRTrk<<"(Hcal)";
154  str10<<"Isolation Vs p_{t} with p_{t} > " << ptThreshold << " GeV/c"<<" and #Delta R < "<<dRTrk<<" (alpha = "<<alpha<<" , "<<"beta = "<<beta<<" )";
155  h_IsoZ_tk = fs->make<TH1F>("ZIso_Tk",str1.str().c_str(),100,0.,20.);
156  h_IsoW_tk = fs->make<TH1F>("WIso_Tk",str2.str().c_str(),100,0.,20.);
157  h_IsoOther_tk = fs->make<TH1F>("otherIso_Tk",str3.str().c_str(),100,0.,20.);
158  h_IsoZ_ecal = fs->make<TH1F>("ZIso_ecal",str1.str().c_str(),100,0.,20.);
159  h_IsoW_ecal = fs->make<TH1F>("WIso_ecal",str2.str().c_str(),100,0.,20.);
160  h_IsoOther_ecal = fs->make<TH1F>("otherIso_ecal",str3.str().c_str(),100,0.,20.);
161  h_IsoZ_hcal = fs->make<TH1F>("ZIso_hcal",str1.str().c_str(),100,0.,20.);
162  h_IsoW_hcal = fs->make<TH1F>("WIso_hcal",str2.str().c_str(),100,0.,20.);
163  h_IsoOther_hcal = fs->make<TH1F>("otherIso_hcal",str3.str().c_str(),100,0.,20.);
164  IsoZ = fs->make<TH1F>("ZIso",str4.str().c_str(),100,0.,20.);
165  IsoW = fs->make<TH1F>("WIso",str5.str().c_str(),100,0.,20.);
166  IsoOther = fs->make<TH1F>("otherIso",str6.str().c_str(),100,0.,20.);
167 
168 
169  Z_eta = fs->make<TH1F>("Z_eta","#eta distribution for muons coming from Z",40,-eta,eta);
170  W_eta = fs->make<TH1F>("W_eta","#eta distribution for muons coming from W",40,-eta,eta);
171  Other_eta = fs->make<TH1F>("Other_eta","#eta distribution for muons coming from other",40,-eta,eta);
172  Z_eta_postSelection = fs->make<TH1F>("Z_eta_postSelection","#eta distribution for muons coming from Z after iso selection",40,-eta,eta);
173  W_eta_postSelection = fs->make<TH1F>("W_eta_postSelection","#eta distribution for muons coming from W after iso selection",40,-eta,eta);
174  Other_eta_postSelection = fs->make<TH1F>("Other_eta_postSelection","#eta distribution for muons coming from other after iso selection",40,-eta,eta);
175 
176  Z_pt = fs->make<TH1F>("Z_pt","p_{T} distribution for muons coming from Z",40,pt,150.);
177  W_pt = fs->make<TH1F>("W_pt","p_{T} distribution for muons coming from W",40,pt,150.);
178  Other_pt = fs->make<TH1F>("Other_pt","p_{T} distribution for muons coming from other",40,pt,150.);
179  Z_pt_postSelection = fs->make<TH1F>("Z_pt_postSelection","p_{T} distribution for muons coming from Z after iso selection",40,pt,150.);
180  W_pt_postSelection = fs->make<TH1F>("W_pt_postSelection","p_{t} distribution for muons coming from W after iso selection",40,pt,150.);
181  Other_pt_postSelection = fs->make<TH1F>("Other_pt_postSelection","p_{t} distribution for muons coming from other after iso selection",40,pt,150.);
182 
183 
184  TkrPt = fs->make<TH1F>("TkrPt","IsoDeposit p distribution in the Tracker",100,0.,10.);
185  EcalEt = fs->make<TH1F>("EcalEt","IsoDeposit E distribution in the Ecal",100,0.,5.);
186  HcalEt = fs->make<TH1F>("HcalEt","IsoDeposit E distribution in the Hcal",100,0.,5.);
187 
188  EcalEtZ = fs->make<TH1F>("VetoEcalEt"," #Sigma E_{T} deposited in veto cone in the Ecal",100,0.,10.);
189  HcalEtZ = fs->make<TH1F>("VetoHcalEt"," #Sigma E_{T} deposited in veto cone in the Hcal",100,0.,10.);
190 }
191 
193  Handle<CandidateView> dimuons;
194  event.getByToken(srcToken,dimuons);
195 
196  for(unsigned int i=0; i < dimuons->size(); ++ i ) {
197  const Candidate & zmm = (* dimuons)[i];
198  const Candidate * dau0 = zmm.daughter(0);
199  const Candidate * dau1 = zmm.daughter(1);
200  const pat::Muon & mu0 = dynamic_cast<const pat::Muon &>(*dau0->masterClone());
201  const pat::GenericParticle & mu1 = dynamic_cast<const pat::GenericParticle &>(*dau1->masterClone());
202 
203  const pat::IsoDeposit * muTrackIso =mu0.isoDeposit(pat::TrackIso);
204  const pat::IsoDeposit * tkTrackIso =mu1.isoDeposit(pat::TrackIso);
205  const pat::IsoDeposit * muEcalIso =mu0.isoDeposit(pat::EcalIso);
206  const pat::IsoDeposit * tkEcalIso =mu1.isoDeposit(pat::EcalIso);
207  const pat::IsoDeposit * muHcalIso =mu0.isoDeposit(pat::HcalIso);
208  const pat::IsoDeposit * tkHcalIso =mu1.isoDeposit(pat::HcalIso);
209 
210 
211  if(mu0.pt() > pt && mu1.pt() > pt && abs(mu0.eta()) < eta && abs(mu1.eta()) < eta){
212 
213  Direction muDir = Direction(mu0.eta(),mu0.phi());
214  Direction tkDir = Direction(mu1.eta(),mu1.phi());
215 
216  IsoDeposit::AbsVetos vetos_mu;
217  vetos_mu.push_back(new ConeVeto( muDir, dRVeto ));
218  vetos_mu.push_back(new ThresholdVeto( ptThreshold ));
219 
221  vetos_tk.push_back(new ConeVeto( tkDir, dRVeto ));
222  vetos_tk.push_back(new ThresholdVeto( ptThreshold ));
223 
224  reco::IsoDeposit::AbsVetos vetos_mu_ecal;
225  vetos_mu_ecal.push_back(new ConeVeto( muDir, 0. ));
226  vetos_mu_ecal.push_back(new ThresholdVeto( etEcalThreshold ));
227 
228  reco::IsoDeposit::AbsVetos vetos_tk_ecal;
229  vetos_tk_ecal.push_back(new ConeVeto( tkDir, 0. ));
230  vetos_tk_ecal.push_back(new ThresholdVeto( etEcalThreshold ));
231 
232  reco::IsoDeposit::AbsVetos vetos_mu_hcal;
233  vetos_mu_hcal.push_back(new ConeVeto( muDir, 0. ));
234  vetos_mu_hcal.push_back(new ThresholdVeto( etHcalThreshold ));
235 
236  reco::IsoDeposit::AbsVetos vetos_tk_hcal;
237  vetos_tk_hcal.push_back(new ConeVeto( tkDir, 0. ));
238  vetos_tk_hcal.push_back(new ThresholdVeto( etHcalThreshold ));
239  MuTag tag_mu = muTag(mu0);
240  MuTag tag_track = muTag(mu1);
241 
242  double Tk_isovalue = TMath::Max(muTrackIso->sumWithin(dRTrk,vetos_mu),tkTrackIso->sumWithin(dRTrk, vetos_tk));
243  double Ecal_isovalue = TMath::Max(muEcalIso->sumWithin(dREcal,vetos_mu_ecal),tkEcalIso->sumWithin(dREcal, vetos_tk_ecal));
244  double Hcal_isovalue = TMath::Max(muHcalIso->sumWithin(dRHcal,vetos_mu_hcal),tkHcalIso->sumWithin(dRHcal, vetos_tk_hcal));
245  EcalEtZ->Fill(muEcalIso->candEnergy());
246  EcalEtZ->Fill(tkEcalIso->candEnergy());
247  HcalEtZ->Fill(muHcalIso->candEnergy());
248  HcalEtZ->Fill(tkHcalIso->candEnergy());
249 
250  double iso_value0 = alpha*((0.5*(1+beta)* muEcalIso->sumWithin(dREcal,vetos_mu_ecal) ) + (0.5*(1-beta)*muHcalIso->sumWithin(dRHcal,vetos_mu_hcal) ) ) +(1-alpha)*muTrackIso->sumWithin(dRTrk,vetos_mu);
251  double iso_value1 = alpha*((0.5*(1+beta)* tkEcalIso->sumWithin(dREcal,vetos_tk_ecal) ) + (0.5*(1-beta)*tkHcalIso->sumWithin(dRHcal,vetos_tk_hcal) ) ) +(1-alpha)*tkTrackIso->sumWithin(dRTrk,vetos_tk);
252 
253  double iso_value=TMath::Max(iso_value0,iso_value1);
254 
255  if(tag_mu==muFromZ && tag_track==muFromZ){
256  h_IsoZ_tk->Fill(Tk_isovalue);
257  h_IsoZ_ecal->Fill(Ecal_isovalue);
258  h_IsoZ_hcal->Fill(Hcal_isovalue);
259  IsoZ->Fill(iso_value);
260 
261  Z_eta->Fill(mu0.eta());
262  Z_eta->Fill(mu1.eta());
263  Z_pt->Fill(mu0.pt());
264  Z_pt->Fill(mu1.pt());
265 
266  if(iso_value0<iso_cut) {
267  Z_pt_postSelection->Fill(mu0.pt());
268  Z_eta_postSelection->Fill(mu0.eta());
269  }
270  if(iso_value1<iso_cut){
271  Z_pt_postSelection->Fill(mu1.pt());
272  Z_eta_postSelection->Fill(mu1.eta());
273  }
274 
275  Deposits(muTrackIso,dRTrk,TkrPt);
276  Deposits(muEcalIso,dREcal,EcalEt);
277  Deposits(muHcalIso,dRHcal,HcalEt);
278  Deposits(tkTrackIso,dRTrk,TkrPt);
279  Deposits(tkEcalIso,dREcal,EcalEt);
280  Deposits(tkHcalIso,dRHcal,HcalEt);
281  }
282  if(tag_mu==muFromW || tag_track==muFromW){
283  h_IsoW_tk->Fill(Tk_isovalue);
284  h_IsoW_ecal->Fill(Ecal_isovalue);
285  h_IsoW_hcal->Fill(Hcal_isovalue);
286  IsoW->Fill(iso_value);
287 
288  W_eta->Fill(mu0.eta());
289  W_eta->Fill(mu1.eta());
290  W_pt->Fill(mu0.pt());
291  W_pt->Fill(mu1.pt());
292 
293  if(iso_value0<iso_cut) {
294  W_pt_postSelection->Fill(mu0.pt());
295  W_eta_postSelection->Fill(mu0.eta());
296  }
297  if(iso_value1<iso_cut) {
298  W_pt_postSelection->Fill(mu1.pt());
299  W_eta_postSelection->Fill(mu1.eta());
300  }
301 
302  Deposits(muTrackIso,dRTrk,TkrPt);
303  Deposits(muEcalIso,dREcal,EcalEt);
304  Deposits(muHcalIso,dRHcal,HcalEt);
305  Deposits(tkTrackIso,dRTrk,TkrPt);
306  Deposits(tkEcalIso,dREcal,EcalEt);
307  Deposits(tkHcalIso,dRHcal,HcalEt);
308  }
309  else{
310  h_IsoOther_tk->Fill(Tk_isovalue);
311  h_IsoOther_ecal->Fill(Ecal_isovalue);
312  h_IsoOther_hcal->Fill(Hcal_isovalue);
313  IsoOther->Fill(iso_value);
314 
315  Other_eta->Fill(mu0.eta());
316  Other_eta->Fill(mu1.eta());
317  Other_pt->Fill(mu0.pt());
318  Other_pt->Fill(mu1.pt());
319 
320  if(iso_value0<iso_cut) {
321  Other_pt_postSelection->Fill(mu0.pt());
322  Other_eta_postSelection->Fill(mu0.eta());
323  }
324  if(iso_value1<iso_cut) {
325  Other_pt_postSelection->Fill(mu1.pt());
326  Other_eta_postSelection->Fill(mu1.eta());
327  }
328 
329  Deposits(muTrackIso,dRTrk,TkrPt);
330  Deposits(muEcalIso,dREcal,EcalEt);
331  Deposits(muHcalIso,dRHcal,HcalEt);
332  Deposits(tkTrackIso,dRTrk,TkrPt);
333  Deposits(tkEcalIso,dREcal,EcalEt);
334  Deposits(tkHcalIso,dRHcal,HcalEt);
335  }
336  }
337  }
338 
339  histo(h_IsoZ_tk,"#Sigma p_{T}","Events");
340  histo(h_IsoW_tk,"#Sigma p_{T}","Events");
341  histo(h_IsoOther_tk,"#Sigma p_{T}","#Events");
342  histo(h_IsoZ_ecal,"#Sigma E_{t}","Events");
343  histo(h_IsoW_ecal,"#Sigma E_{t}","Events");
344  histo(h_IsoOther_ecal,"#Sigma E_{t}","Events");
345  histo(h_IsoZ_hcal,"#Sigma E_{t}","Events");
346  histo(h_IsoW_hcal,"#Sigma E_{t}","Events");
347  histo(h_IsoOther_hcal,"#Sigma E_{t}","Events");
348  histo(TkrPt,"p ","");
349  histo(EcalEt,"E ","");
350  histo(HcalEt,"E ","");
351  histo(HcalEtZ,"E_{T}","");
352  histo(EcalEtZ,"E_{T}","");
353 }
354 
356 }
357 
359 
const double beta
virtual double pt() const final
transverse momentum
double candEnergy() const
Get energy or pT attached to cand trajectory.
Definition: IsoDeposit.h:136
float alpha
Definition: AMPTWrapper.h:95
virtual double eta() const final
momentum pseudorapidity
def analyze(function, filename, filter=None)
Definition: Profiling.py:11
#define DEFINE_FWK_MODULE(type)
Definition: MakerMacros.h:17
EDGetTokenT< CandidateView > srcToken
virtual const Candidate * daughter(size_type i) const =0
return daughter at a given position, i = 0, ... numberOfDaughters() - 1 (read only mode) ...
Geom::Theta< T > theta() const
def setup(process, global_tag, zero_tesla=False)
Definition: GeneralSetup.py:1
size_type size() const
virtual const Candidate * mother(size_type i=0) const =0
return pointer to mother
T * make(const Args &...args) const
make new ROOT object
Definition: TFileService.h:64
const IsoDeposit * isoDeposit(IsolationKeys key) const
Returns the IsoDeposit associated with some key, or a null pointer if it is not available.
virtual void endJob() override
const IsoDeposit * isoDeposit(IsolationKeys key) const
Returns the IsoDeposit associated with some key, or a null pointer if it is not available.
Definition: Lepton.h:165
double sumWithin(double coneSize, const AbsVetos &vetos=AbsVetos(), bool skipDepositVeto=false) const
Definition: IsoDeposit.cc:138
virtual double phi() const final
momentum azimuthal angle
Analysis-level Generic Particle class (e.g. for hadron or muon not fully reconstructed) ...
virtual int pdgId() const =0
PDG identifier.
Abs< T >::type abs(const T &t)
Definition: Abs.h:22
ZMuMuIsolationAnalyzer(const edm::ParameterSet &pset)
const int mu
Definition: Constants.h:22
void Deposits(const pat::IsoDeposit *isodep, double dR_max, TH1F *hist)
bool isNull() const
Checks for null.
Definition: Ref.h:249
const_iterator begin() const
Definition: IsoDeposit.h:163
T Max(T a, T b)
Definition: MathUtil.h:44
virtual const CandidateBaseRef & masterClone() const =0
fixed size matrix
HLT enums.
std::vector< AbsVeto * > AbsVetos
Definition: IsoDeposit.h:40
MuTag muTag(const T &mu) const
isodeposit::AbsVetos AbsVetos
Definition: IsoDeposit.h:51
const_iterator end() const
Definition: IsoDeposit.h:164
long double T
void histo(TH1F *hist, const char *cx, const char *cy) const
Analysis-level muon class.
Definition: Muon.h:49
Definition: event.py:1
virtual void analyze(const edm::Event &event, const edm::EventSetup &setup) override