fNonStdFile(""),
fReplaceString1("B0"),
fReplaceString2("B%d"),
- fSubtraction(kRhoRecalc),
+ fSubtraction(k4Area),
fInJetArrayList(0x0),
fOutJetArrayList(0x0),
+ fh2CentvsRho(0x0),
+ fh2CentvsSigma(0x0),
+ fh2ShiftEta(0x0),
+ fh2ShiftPhi(0x0),
+ fh2ShiftEtaLeading(0x0),
+ fh2ShiftPhiLeading(0x0),
fHistList(0x0)
{
fNonStdFile(""),
fReplaceString1("B0"),
fReplaceString2("B%d"),
- fSubtraction(kRhoRecalc),
+ fSubtraction(k4Area),
fInJetArrayList(0x0),
fOutJetArrayList(0x0),
+ fh2CentvsRho(0x0),
+ fh2CentvsSigma(0x0),
+ fh2ShiftEta(0x0),
+ fh2ShiftPhi(0x0),
+ fh2ShiftEtaLeading(0x0),
+ fh2ShiftPhiLeading(0x0),
fHistList(0x0)
{
DefineOutput(1, TList::Class());
// Connect the AOD
if (fDebug > 1) printf("AnalysisTaskJetBackgroundSubtract::UserCreateOutputObjects() \n");
+
+
+
if(fNonStdFile.Length()!=0){
// case that we have an AOD extension we need to fetch the jets from the extended output
// we identifay the extension aod event by looking for the branchname
AliAODHandler *aodH = dynamic_cast<AliAODHandler*>(AliAnalysisManager::GetAnalysisManager()->GetOutputEventHandler());
- fAODExtension = aodH->GetExtension(fNonStdFile.Data());
+
+ fAODExtension = (aodH?aodH->GetExtension(fNonStdFile.Data()):0);
if(!fAODExtension){
if(fDebug>1)Printf("AODExtension found for %s",fNonStdFile.Data());
if(!fHistList)fHistList = new TList();
fHistList->SetOwner();
+ PostData(1, fHistList); // post data in any case once
for(int iJB = 0;iJB<fJBArray->GetEntries();iJB++){
TObjString *ostr = (TObjString*)fJBArray->At(iJB);
continue;
}
newName.ReplaceAll(fReplaceString1.Data(),Form(fReplaceString2.Data(),fSubtraction));
- TH2F *hTmp = new TH2F(Form("h2PtInPtOut_%d",iJB),Form(";%s p_{T}; %s p_{T}",oldName.Data(),newName.Data()),200,0,200.,200,0.,200.);
+ TH2F *hTmp = new TH2F(Form("h2PtInPtOut_%d",iJB),Form(";%s p_{T}; %s p_{T}",oldName.Data(),newName.Data()),200,0,200.,400,-200.,200.);
fHistList->Add(hTmp);
}
// Histogram booking, add som control histograms here
//
+
+ fh2CentvsRho = new TH2F("fh2CentvsRho","centrality vs background density",100,0.,100.,100,0.,150.);
+ fh2CentvsSigma = new TH2F("fh2CentvsSigma","centrality vs backgroun sigma",100,0.,100.,100,0.,150.);
+ fHistList->Add(fh2CentvsRho);
+ fHistList->Add(fh2CentvsSigma);
+
+ if(fSubtraction==k4Area){
+ fh2ShiftEta = new TH2F("fh2ShiftEta","extended correction Eta",100,-0.9,0.9,100,-0.9,0.9);
+ fh2ShiftPhi = new TH2F("fh2ShiftPhi","extended correction Phi",100,0.,6.5,100,0.,6.5);
+ fh2ShiftEtaLeading = new TH2F("fh2ShiftEtaLeading","extended correction Eta",100,-0.9,0.9,100,-0.9,0.9);
+ fh2ShiftPhiLeading = new TH2F("fh2ShiftPhiLeading","extended correction Phi",100,0.,6.5,100,0.,6.5);
+ fHistList->Add(fh2ShiftEta);
+ fHistList->Add(fh2ShiftPhi);
+ fHistList->Add(fh2ShiftEtaLeading);
+ fHistList->Add(fh2ShiftPhiLeading);
+ }
+
+
// =========== Switch on Sumw2 for all histos ===========
for (Int_t i=0; i<fHistList->GetEntries(); ++i) {
TH1 *h1 = dynamic_cast<TH1*>(fHistList->At(i));
if(fDebug&&evBkg)Printf("%s:%d Backgroundbranch %s found",(char*)__FILE__,__LINE__,fBackgroundBranch.Data());
}
- if(!evBkg&&(fSubtraction==kArea||fSubtraction==kRhoRecalc)){
+ if(!evBkg&&(fSubtraction==kArea||fSubtraction==kRhoRecalc||fSubtraction==k4Area)){
if(fDebug){
Printf("%s:%d Backgroundbranch %s not found",(char*)__FILE__,__LINE__,fBackgroundBranch.Data());
PrintAODContents();
// LOOP over all jet branches and subtract the background
Float_t rho = 0;
+ Float_t sigma=0.;
Double_t meanarea = 0;
- if(fSubtraction==kArea)rho = evBkg->GetBackground(2);
+ TLorentzVector backgroundv;
+ Float_t cent=0.;
+ if(fAODOut)cent = fAODOut->GetHeader()->GetCentrality();
+ if(evBkg)sigma=evBkg->GetSigma(1);
+
+ if(fSubtraction==kArea) rho = evBkg->GetBackground(1);
+ if(fSubtraction==k4Area){
+ rho = evBkg->GetBackground(0);
+ sigma=evBkg->GetSigma(0);
+ }
+
if(fSubtraction==kRhoRecalc){
- meanarea=evBkg->GetMeanarea(2);
+ meanarea=evBkg->GetMeanarea(1);
rho =RecalcRho(bkgClusters,meanarea);
}
- if(fSubtraction==kRhoRC)rho =RhoRC(bkgClustersRC);
+ if(fSubtraction==kRhoRC) rho=RhoRC(bkgClustersRC);
+ fh2CentvsRho->Fill(cent,rho);
+ fh2CentvsSigma->Fill(cent,sigma);
- for(int iJB = 0;iJB<fInJetArrayList->GetEntries();iJB++){
+ for(int iJB = 0;iJB<fInJetArrayList->GetEntries();iJB++){
TClonesArray* jarray = (TClonesArray*)fInJetArrayList->At(iJB);
TClonesArray* jarrayOut = (TClonesArray*)fOutJetArrayList->At(iJB);
if(!jarray||!jarrayOut){
- Printf("%s:%d Array not found %d: %p %p",(char*)__FILE__,__LINE__,iJB,jarray->GetName(),jarrayOut->GetName());
- continue;
- }
+ Printf("%s:%d Array not found %d: %p %p",(char*)__FILE__,__LINE__,iJB,jarray,jarrayOut);
+ continue;
+ }
TH2F* h2PtInOut = (TH2F*)fHistList->FindObject(Form("h2PtInPtOut_%d",iJB));
// loop over all jets
Int_t nOut = 0;
AliAODJet *jet = (AliAODJet*)jarray->At(i);
AliAODJet tmpNewJet(*jet);
Bool_t bAdd = false;
-
+
if(fSubtraction==kArea){
Double_t background = rho * jet->EffectiveAreaCharged();
}
if(ptSub<0){
// optionally rescale it and keep??
- bAdd = RescaleJetMomentum(&tmpNewJet,0.1);
- if(h2PtInOut)h2PtInOut->Fill(jet->Pt(),0.1);
+ bAdd = false; // RescaleJetMomentum(&tmpNewJet,0.1);
+ if(h2PtInOut)h2PtInOut->Fill(jet->Pt(),ptSub);
}
else{
bAdd = RescaleJetMomentum(&tmpNewJet,ptSub);
Printf("%s:%d Jet %d %3.3f %3.3f %3.3f %3.3f",(char*)__FILE__,__LINE__,i,jet->Pt(),ptSub,background,rho);}
if(ptSub<0){
// optionally rescale it and keep??
- bAdd = RescaleJetMomentum(&tmpNewJet,0.1);
- if(h2PtInOut)h2PtInOut->Fill(jet->Pt(),0.1);
+ bAdd = false;// RescaleJetMomentum(&tmpNewJet,0.1);
+ if(h2PtInOut)h2PtInOut->Fill(jet->Pt(),ptSub);
}
else{
bAdd = RescaleJetMomentum(&tmpNewJet,ptSub);
if(fDebug>2){ Printf("%s:%d Jet %d %3.3f %3.3f %3.3f %3.3f",(char*)__FILE__,__LINE__,i,jet->Pt(),ptSub,background,rho);}
if(ptSub<0){
// optionally rescale it and keep??
- bAdd = RescaleJetMomentum(&tmpNewJet,0.1);
- if(h2PtInOut)h2PtInOut->Fill(jet->Pt(),0.1);
+ bAdd = false; // RescaleJetMomentum(&tmpNewJet,0.1);
+ if(h2PtInOut)h2PtInOut->Fill(jet->Pt(),ptSub);
}
else{
bAdd = RescaleJetMomentum(&tmpNewJet,ptSub);
}//kRhoRC
- if(bAdd){
- AliAODJet *newJet = new ((*jarrayOut)[nOut++]) AliAODJet(tmpNewJet);
- // what about track references, clear for now...
- newJet->GetRefTracks()->Clear();
- }
-
-
-
+ else if(fSubtraction==k4Area&&jet->VectorAreaCharged()){
-
-
- }
+
+ backgroundv.SetPxPyPzE(rho*(jet->VectorAreaCharged())->Px(),rho*(jet->VectorAreaCharged())->Py(),rho*(jet->VectorAreaCharged())->Pz(),rho*(jet->VectorAreaCharged())->E());
+ if((backgroundv.E()>jet->E())&&(backgroundv.Pt()>jet->Pt())){
+
+ // optionally rescale it and keep??
+ bAdd = false; // RescaleJetMomentum(&tmpNewJet,0.1);
+ if(h2PtInOut)h2PtInOut->Fill(jet->Pt(),jet->Pt()-backgroundv.Pt());
+ }
+ else{
+ bAdd = RescaleJet4vector(&tmpNewJet,backgroundv);
+ }
+ // add background estimates to the new jet object
+ // allows to recover old p_T and rho...
+ tmpNewJet.SetBgEnergy(backgroundv.P(),0);
+
+ }//kArea4vector
- // subtract the background
-
- // remove jets??
- // sort jets...
- }
- PostData(1, fHistList);
+ if(bAdd){
+ AliAODJet *newJet = new ((*jarrayOut)[nOut++]) AliAODJet(tmpNewJet);
+ // what about track references, clear for now...
+ if(fSubtraction==k4Area){
+ if(h2PtInOut)h2PtInOut->Fill(jet->Pt(),jet->Pt()-newJet->Pt());
+ fh2ShiftEta->Fill(jet->Eta(),newJet->Eta());
+ fh2ShiftPhi->Fill(jet->Phi(),newJet->Phi());
+ if(i==0){fh2ShiftEtaLeading->Fill(jet->Eta(),newJet->Eta());
+ fh2ShiftPhiLeading->Fill(jet->Phi(),newJet->Phi());}}
+
+ // set the references
+ newJet->GetRefTracks()->Clear();
+ TRefArray *refs = jet->GetRefTracks();
+ for(Int_t ir=0;ir<refs->GetEntriesFast();ir++){
+ AliVParticle *vp = dynamic_cast<AliVParticle*>(refs->At(ir));
+ if(vp)newJet->AddTrack(vp);
+ }
+ }
+ }
+ if(jarrayOut)jarrayOut->Sort();
+ }
+
+ PostData(1, fHistList);
}
void AliAnalysisTaskJetBackgroundSubtract::Terminate(Option_t */*option*/)
Double_t mass = jet->M();
Double_t pNew = jet->P() * scale;
jet->SetPxPyPzE(scale*jet->Px(),scale*jet->Py(),scale*jet->Pz(),TMath::Sqrt(mass*mass+pNew*pNew));
+
+
+
return kTRUE;
}
+Bool_t AliAnalysisTaskJetBackgroundSubtract::RescaleJet4vector(AliAODJet *jet,TLorentzVector backgroundv){
+
+ if(backgroundv.Pt()<0.) return kFALSE;
+ jet->SetPxPyPzE(jet->Px()-backgroundv.Px(),jet->Py()-backgroundv.Py(),jet->Pz()-backgroundv.Pz(),jet->E()-backgroundv.E());
+
+ return kTRUE;
+}
+
+
+
+
+
+
+
+
Double_t AliAnalysisTaskJetBackgroundSubtract::RecalcRho(TClonesArray* bkgClusters,Double_t meanarea){
- Double_t ptarea=0.;
- Int_t count=0;
- Double_t rho=0.;
- const Double_t Rlimit2=0.8*0.8; //2*jet radius.
- TClonesArray* jarray=0;
-
- for(int iJB = 0;iJB<fInJetArrayList->GetEntries();iJB++){
- TObjString *ostr = (TObjString*)fInJetArrayList->At(iJB);
- TString jetref=ostr->GetString().Data();
- if(jetref.Contains("ANTIKT04")){
- jarray = (TClonesArray*)fInJetArrayList->At(iJB);}}
- if(jarray->GetEntries()>=2){
- AliAODJet *first = (AliAODJet*)(jarray->At(0));
- AliAODJet *second= (AliAODJet*)(jarray->At(1));
- for(Int_t k=0;k<bkgClusters->GetEntriesFast();k++){
- AliAODJet *clus = (AliAODJet*)(bkgClusters->At(k));
- if(TMath::Abs(clus->Eta())>0.5) continue;
- if((clus->EffectiveAreaCharged())<0.1*meanarea) continue;
- Double_t distance1=(first->Eta()-clus->Eta())*(first->Eta()-clus->Eta())+
- (first->Phi()-clus->Phi())*(first->Phi()-clus->Phi());
- Double_t distance2= (second->Eta()-clus->Eta())*(second->Eta()-clus->Eta())+
- (second->Phi()-clus->Phi())*(second->Phi()-clus->Phi());
- if((distance1<Rlimit2)||(distance2<Rlimit2)) continue;
- ptarea=ptarea+clus->Pt()/clus->EffectiveAreaCharged();
- count=count+1;}
- if(count!=0) rho=ptarea/count;
- }
- return rho;
+ Double_t ptarea=0.;
+ Int_t count=0;
+ Double_t rho=0.;
+ const Double_t Rlimit2=0.8*0.8; //2*jet radius.
+ TClonesArray* jarray=0;
+
+ for(int iJB = 0;iJB<fInJetArrayList->GetEntries();iJB++){
+ TObjString *ostr = (TObjString*)fInJetArrayList->At(iJB);
+ TString jetref=ostr->GetString().Data();
+ if(jetref.Contains("ANTIKT04")){
+ jarray = (TClonesArray*)fInJetArrayList->At(iJB);
+ }
+ }
+ if(!jarray)return rho;
+ if(jarray->GetEntries()>=2){
+ AliAODJet *first = (AliAODJet*)(jarray->At(0));
+ AliAODJet *second= (AliAODJet*)(jarray->At(1));
+ for(Int_t k=0;k<bkgClusters->GetEntriesFast();k++){
+ AliAODJet *clus = (AliAODJet*)(bkgClusters->At(k));
+ if(TMath::Abs(clus->Eta())>0.5) continue;
+ if((clus->EffectiveAreaCharged())<0.1*meanarea) continue;
+ Double_t distance1=(first->Eta()-clus->Eta())*(first->Eta()-clus->Eta())+
+ (first->Phi()-clus->Phi())*(first->Phi()-clus->Phi());
+ Double_t distance2= (second->Eta()-clus->Eta())*(second->Eta()-clus->Eta())+
+ (second->Phi()-clus->Phi())*(second->Phi()-clus->Phi());
+ if((distance1<Rlimit2)||(distance2<Rlimit2)) continue;
+ ptarea=ptarea+clus->Pt()/clus->EffectiveAreaCharged();
+ count=count+1;}
+ if(count!=0) rho=ptarea/count;
+ }
+ return rho;
}
Double_t AliAnalysisTaskJetBackgroundSubtract::RhoRC(TClonesArray* bkgClustersRC){
const Double_t Rlimit2=0.8*0.8; //2*jet radius.
TClonesArray* jarray=0;
for(int iJB = 0;iJB<fInJetArrayList->GetEntries();iJB++){
- TObjString *ostr = (TObjString*)fInJetArrayList->At(iJB);
- TString jetref=ostr->GetString().Data();
- if(jetref.Contains("ANTIKT04")){
- jarray = (TClonesArray*)fInJetArrayList->At(iJB);}}
+ TObjString *ostr = (TObjString*)fInJetArrayList->At(iJB);
+ TString jetref=ostr->GetString().Data();
+ if(jetref.Contains("ANTIKT04")){
+ jarray = (TClonesArray*)fInJetArrayList->At(iJB);
+ }
+ }
+ if(!jarray)return rho;
+
if(jarray->GetEntries()>=2){
AliAODJet *first = (AliAODJet*)(jarray->At(0));
AliAODJet *second=(AliAODJet*)(jarray->At(1));