+++ /dev/null
-/**************************************************************************
- * Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. *
- * *
- * Author: The ALICE Off-line Project. *
- * Contributors are mentioned in the code where appropriate. *
- * *
- * Permission to use, copy, modify and distribute this software and its *
- * documentation strictly for non-commercial purposes is hereby granted *
- * without fee, provided that the above copyright notice appears in all *
- * copies and that both the copyright notice and this permission notice *
- * appear in the supporting documentation. The authors make no claims *
- * about the suitability of this software for any purpose. It is *
- * provided "as is" without express or implied warranty. *
- **************************************************************************/
-
-/* $Id$ */
-
-//-----------------------------------------------------------------------
-// Class for HF corrections as a function of many variables
-// 6 Steps introduced: MC, MC Acc, Reco, Reco Acc, Reco Acc + ITS Cl,
-// Reco Acc + ITS Cl + PPR cuts
-// 13 variables used: pt, y, cosThetaStar, ptPi, ptK, ct,
-// dca, d0Pi, d0K, d0Pixd0K, cosPointingAngle, phi, z
-//
-//-----------------------------------------------------------------------
-// Author : C. Zampolli, CERN
-//-----------------------------------------------------------------------
-//-----------------------------------------------------------------------
-// Base class for HF Unfolding (pt and eta)
-// correlation matrix filled at Acceptance and PPR level
-// Author: A.Grelli , Utrecht - agrelli@uu.nl
-//-----------------------------------------------------------------------
-#include <TCanvas.h>
-#include <TParticle.h>
-#include <TDatabasePDG.h>
-#include <TH1I.h>
-#include <TStyle.h>
-#include <TFile.h>
-
-#include "AliCFHeavyFlavourTaskMultiVarMultiStep.h"
-#include "AliStack.h"
-#include "AliMCEvent.h"
-#include "AliCFManager.h"
-#include "AliCFContainer.h"
-#include "AliLog.h"
-#include "AliAnalysisManager.h"
-#include "AliAODHandler.h"
-#include "AliAODEvent.h"
-#include "AliAODRecoDecay.h"
-#include "AliAODRecoDecayHF.h"
-#include "AliAODRecoDecayHF2Prong.h"
-#include "AliAODMCParticle.h"
-#include "AliAODMCHeader.h"
-#include "AliESDtrack.h"
-#include "AliRDHFCutsD0toKpi.h"
-#include "TChain.h"
-#include "THnSparse.h"
-#include "TH2D.h"
-#include "AliAnalysisDataSlot.h"
-#include "AliAnalysisDataContainer.h"
-
-//__________________________________________________________________________
-AliCFHeavyFlavourTaskMultiVarMultiStep::AliCFHeavyFlavourTaskMultiVarMultiStep() :
- AliAnalysisTaskSE(),
- fPDG(0),
- fCFManager(0x0),
- fHistEventsProcessed(0x0),
- fCorrelation(0x0),
- fCountMC(0),
- fCountAcc(0),
- fCountVertex(0),
- fCountRefit(0),
- fCountReco(0),
- fCountRecoAcc(0),
- fCountRecoITSClusters(0),
- fCountRecoPPR(0),
- fCountRecoPID(0),
- fEvents(0),
- fFillFromGenerated(kFALSE),
- fMinITSClusters(5),
- fAcceptanceUnf(kTRUE),
- fKeepD0fromB(kFALSE),
- fKeepD0fromBOnly(kFALSE),
- fCuts(0),
- fUseWeight(kFALSE),
- fUseFlatPtWeight(kFALSE),
- fUseZWeight(kFALSE),
- fWeight(1.),
- fSign(2)
-{
- //
- //Default ctor
- //
-}
-//___________________________________________________________________________
-AliCFHeavyFlavourTaskMultiVarMultiStep::AliCFHeavyFlavourTaskMultiVarMultiStep(const Char_t* name, AliRDHFCutsD0toKpi* cuts) :
- AliAnalysisTaskSE(name),
- fPDG(0),
- fCFManager(0x0),
- fHistEventsProcessed(0x0),
- fCorrelation(0x0),
- fCountMC(0),
- fCountAcc(0),
- fCountVertex(0),
- fCountRefit(0),
- fCountReco(0),
- fCountRecoAcc(0),
- fCountRecoITSClusters(0),
- fCountRecoPPR(0),
- fCountRecoPID(0),
- fEvents(0),
- fFillFromGenerated(kFALSE),
- fMinITSClusters(5),
- fAcceptanceUnf(kTRUE),
- fKeepD0fromB(kFALSE),
- fKeepD0fromBOnly(kFALSE),
- fCuts(cuts),
- fUseWeight(kFALSE),
- fUseFlatPtWeight(kFALSE),
- fUseZWeight(kFALSE),
- fWeight(1.),
- fSign(2)
-{
- //
- // Constructor. Initialization of Inputs and Outputs
- //
- Info("AliCFHeavyFlavourTaskMultiVarMultiStep","Calling Constructor");
- /*
- DefineInput(0) and DefineOutput(0)
- are taken care of by AliAnalysisTaskSE constructor
- */
- DefineOutput(1,TH1I::Class());
- DefineOutput(2,AliCFContainer::Class());
- DefineOutput(3,THnSparseD::Class());
- DefineOutput(4,AliRDHFCutsD0toKpi::Class());
-
- fCuts->PrintAll();
-}
-
-//___________________________________________________________________________
-AliCFHeavyFlavourTaskMultiVarMultiStep& AliCFHeavyFlavourTaskMultiVarMultiStep::operator=(const AliCFHeavyFlavourTaskMultiVarMultiStep& c)
-{
- //
- // Assignment operator
- //
- if (this!=&c) {
- AliAnalysisTaskSE::operator=(c) ;
- fPDG = c.fPDG;
- fCFManager = c.fCFManager;
- fHistEventsProcessed = c.fHistEventsProcessed;
- fCuts = c.fCuts;
- }
- return *this;
-}
-
-//___________________________________________________________________________
-AliCFHeavyFlavourTaskMultiVarMultiStep::AliCFHeavyFlavourTaskMultiVarMultiStep(const AliCFHeavyFlavourTaskMultiVarMultiStep& c) :
- AliAnalysisTaskSE(c),
- fPDG(c.fPDG),
- fCFManager(c.fCFManager),
- fHistEventsProcessed(c.fHistEventsProcessed),
- fCorrelation(c.fCorrelation),
- fCountMC(c.fCountMC),
- fCountAcc(c.fCountAcc),
- fCountVertex(c.fCountVertex),
- fCountRefit(c.fCountRefit),
- fCountReco(c.fCountReco),
- fCountRecoAcc(c.fCountRecoAcc),
- fCountRecoITSClusters(c.fCountRecoITSClusters),
- fCountRecoPPR(c.fCountRecoPPR),
- fCountRecoPID(c.fCountRecoPID),
- fEvents(c.fEvents),
- fFillFromGenerated(c.fFillFromGenerated),
- fMinITSClusters(c.fMinITSClusters),
- fAcceptanceUnf(c.fAcceptanceUnf),
- fKeepD0fromB(c.fKeepD0fromB),
- fKeepD0fromBOnly(c.fKeepD0fromBOnly),
- fCuts(c.fCuts),
- fUseWeight(c.fUseWeight),
- fUseFlatPtWeight(c.fUseFlatPtWeight),
- fUseZWeight(c.fUseZWeight),
- fWeight(c.fWeight),
- fSign(c.fSign)
-{
- //
- // Copy Constructor
- //
-}
-
-//___________________________________________________________________________
-AliCFHeavyFlavourTaskMultiVarMultiStep::~AliCFHeavyFlavourTaskMultiVarMultiStep() {
- //
- //destructor
- //
- if (fCFManager) delete fCFManager ;
- if (fHistEventsProcessed) delete fHistEventsProcessed ;
- if (fCorrelation) delete fCorrelation ;
- // if (fCuts) delete fCuts ;
-}
-
-//________________________________________________________________________
-void AliCFHeavyFlavourTaskMultiVarMultiStep::Init(){
-
- //
- // Initialization
- //
-
- if(fDebug > 1) printf("AliCFHeavyFlavourTaskMultiVarMultiStep::Init() \n");
-
- if(fUseWeight && fUseZWeight) AliFatal("Can not use at the same time pt and z-vtx weights, please choose");
-
- fMinITSClusters = fCuts->GetTrackCuts()->GetMinNClustersITS();
- AliRDHFCutsD0toKpi* copyfCuts=new AliRDHFCutsD0toKpi(*fCuts);
- const char* nameoutput=GetOutputSlot(4)->GetContainer()->GetName();
- copyfCuts->SetName(nameoutput);
- // Post the data
- PostData(4,copyfCuts);
-
- return;
-}
-
-//_________________________________________________
-void AliCFHeavyFlavourTaskMultiVarMultiStep::UserExec(Option_t *)
-{
- //
- // Main loop function
- //
-
- PostData(1,fHistEventsProcessed) ;
- PostData(2,fCFManager->GetParticleContainer()) ;
- PostData(3,fCorrelation) ;
-
- AliESDtrackCuts* trackCuts = fCuts->GetTrackCuts(); // track cuts
-
- if (fFillFromGenerated){
- AliWarning("Flag to fill container with generated value ON ---> dca, d0pi, d0K, d0xd0, cosPointingAngle will be set as dummy!");
- }
-
- if (!fInputEvent) {
- Error("UserExec","NO EVENT FOUND!");
- return;
- }
-
- // check that the fKeepD0fromB flag is set to true when the fKeepD0fromBOnly flag is true
- if(fKeepD0fromBOnly) {
- fKeepD0fromB=true;
- if(fEvents<2) AliInfo(Form("Both fKeepD0fromB and fKeepD0fromBOnly flags are true, looking _ONLY_ at D0 FROM B"));
- }
-
- AliAODEvent* aodEvent = dynamic_cast<AliAODEvent*>(fInputEvent);
-
- TClonesArray *arrayD0toKpi=0;
-
- if(!aodEvent && AODEvent() && IsStandardAOD()) {
- // In case there is an AOD handler writing a standard AOD, use the AOD
- // event in memory rather than the input (ESD) event.
- aodEvent = dynamic_cast<AliAODEvent*> (AODEvent());
- // in this case the braches in the deltaAOD (AliAOD.VertexingHF.root)
- // have to taken from the AOD event hold by the AliAODExtension
- AliAODHandler* aodHandler = (AliAODHandler*)
- ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
- if(aodHandler->GetExtensions()) {
- AliAODExtension *ext = (AliAODExtension*)aodHandler->GetExtensions()->FindObject("AliAOD.VertexingHF.root");
- AliAODEvent *aodFromExt = ext->GetAOD();
- arrayD0toKpi=(TClonesArray*)aodFromExt->GetList()->FindObject("D0toKpi");
- }
- } else {
- arrayD0toKpi=(TClonesArray*)aodEvent->GetList()->FindObject("D0toKpi");
- }
-
-
- if (!arrayD0toKpi) {
- AliError("Could not find array of HF vertices");
- return;
- }
-
- // fix for temporary bug in ESDfilter
- // the AODs with null vertex pointer didn't pass the PhysSel
- if(!aodEvent->GetPrimaryVertex() || TMath::Abs(aodEvent->GetMagneticField())<0.001) return;
-
- fEvents++;
-
- fCFManager->SetRecEventInfo(aodEvent);
- fCFManager->SetMCEventInfo(aodEvent);
-
- // MC-event selection
- Double_t containerInput[13] ;
- Double_t containerInputMC[13] ;
-
- //loop on the MC event
-
- TClonesArray* mcArray = dynamic_cast<TClonesArray*>(aodEvent->FindListObject(AliAODMCParticle::StdBranchName()));
- if (!mcArray) {
- AliError("Could not find Monte-Carlo in AOD");
- return;
- }
- Int_t icountMC = 0;
- Int_t icountAcc = 0;
- Int_t icountReco = 0;
- Int_t icountVertex = 0;
- Int_t icountRefit = 0;
- Int_t icountRecoAcc = 0;
- Int_t icountRecoITSClusters = 0;
- Int_t icountRecoPPR = 0;
- Int_t icountRecoPID = 0;
-
- AliAODMCHeader *mcHeader = dynamic_cast<AliAODMCHeader*>(aodEvent->GetList()->FindObject(AliAODMCHeader::StdBranchName()));
- if (!mcHeader) {
- AliError("Could not find MC Header in AOD");
- return;
- }
-
- Int_t cquarks = 0;
-
- // AOD primary vertex
- AliAODVertex *vtx1 = (AliAODVertex*)aodEvent->GetPrimaryVertex();
- if(!vtx1) {
- AliError("There is no primary vertex !");
- return;
- }
- Double_t zPrimVertex = vtx1->GetZ();
- Double_t zMCVertex = mcHeader->GetVtxZ();
- Int_t runnumber = aodEvent->GetRunNumber();
- if(fUseZWeight) fWeight = GetZWeight(zMCVertex,runnumber);
- Bool_t vtxFlag = kTRUE;
- TString title=vtx1->GetTitle();
- if(!title.Contains("VertexerTracks")) vtxFlag=kFALSE;
-
- for (Int_t iPart=0; iPart<mcArray->GetEntriesFast(); iPart++) {
- AliAODMCParticle* mcPart = dynamic_cast<AliAODMCParticle*>(mcArray->At(iPart));
- if (!mcPart) {
- AliWarning("Particle not found in tree, skipping");
- continue;
- }
- if (mcPart->GetPdgCode() == 4) cquarks++;
- if (mcPart->GetPdgCode() == -4) cquarks++;
-
- // check the MC-level cuts
-
- if (!fCFManager->CheckParticleCuts(0, mcPart)) continue; // 0 stands for MC level
- Int_t pdgGranma = CheckOrigin(mcPart, mcArray);
- Int_t abspdgGranma = TMath::Abs(pdgGranma);
- if ((abspdgGranma > 500 && abspdgGranma < 600) || (abspdgGranma > 5000 && abspdgGranma < 6000)) {
- AliDebug(2,Form("Particle has a b-meson, or b-baryon mother (pdg code mother = %d )--> not coming from a c-quark, skipping...", pdgGranma));
- if (!fKeepD0fromB) continue; // skipping particles that don't come from c quark
- }
- else { if(fKeepD0fromBOnly) continue; } // skipping particles that don't come from b quark
-
- // if (TMath::Abs(pdgGranma)!=4) {
-
- // fill the container for Gen-level selection
- Double_t vectorMC[7] = {9999.,9999.,9999.,9999.,9999.,9999.,9999.};
-
- if (GetGeneratedValuesFromMCParticle(mcPart, mcArray, vectorMC)){
- containerInputMC[0] = vectorMC[0];
- containerInputMC[1] = vectorMC[1] ;
- containerInputMC[2] = vectorMC[2] ;
- containerInputMC[3] = vectorMC[3] ;
- containerInputMC[4] = vectorMC[4] ;
- containerInputMC[5] = vectorMC[5] ; // in micron
- containerInputMC[6] = 0.; // dummy value, meaningless in MC, in micron
- containerInputMC[7] = 0.; // dummy value, meaningless in MC, in micron
- containerInputMC[8] = 0.; // dummy value, meaningless in MC, in micron
- containerInputMC[9] = -100000.; // dummy value, meaningless in MC, in micron^2
- containerInputMC[10] = 1.01; // dummy value, meaningless in MC
- containerInputMC[11] = vectorMC[6]; // dummy value, meaningless in MC
- containerInputMC[12] = zMCVertex; // z of reconstructed of primary vertex
- if (fUseWeight) fWeight = GetWeight(vectorMC[0]); // setting the weight according to the function defined in AliCFHeavyFlavourTaskMultiVarMultiStep::GetWeight(Float_t pt)
- AliDebug(3,Form("weight = %f",fWeight));
- if (!fCuts->IsInFiducialAcceptance(vectorMC[0],vectorMC[1])) continue;
- if (TMath::Abs(vectorMC[1]) < 0.5) {
- fCFManager->GetParticleContainer()->Fill(containerInputMC,kStepGeneratedLimAcc,fWeight);
- }
- fCFManager->GetParticleContainer()->Fill(containerInputMC,kStepGenerated,fWeight);
- icountMC++;
-
- // check the MC-Acceptance level cuts
- // since standard CF functions are not applicable, using Kine Cuts on daughters
-
- Int_t daughter0 = mcPart->GetDaughter(0);
- Int_t daughter1 = mcPart->GetDaughter(1);
- AliDebug(2, Form("daughter0 = %d and daughter1 = %d",daughter0,daughter1));
- if (daughter0 == 0 || daughter1 == 0) {
- AliDebug(2, "Error! the D0 MC doesn't have correct daughters!! But it should have, this check was already done...");
- }
- if (TMath::Abs(daughter1 - daughter0) != 1) {
- AliDebug(2, "The D0 MC doesn't come from a 2-prong decay, but it should be, this check was already done...");
- }
- AliAODMCParticle* mcPartDaughter0 = dynamic_cast<AliAODMCParticle*>(mcArray->At(daughter0));
- AliAODMCParticle* mcPartDaughter1 = dynamic_cast<AliAODMCParticle*>(mcArray->At(daughter1));
- if (!mcPartDaughter0 || !mcPartDaughter1) {
- AliWarning("At least one Daughter Particle not found in tree, but it should be, this check was already done...");
- continue;
- }
- Double_t eta0 = mcPartDaughter0->Eta();
- Double_t eta1 = mcPartDaughter1->Eta();
- Double_t y0 = mcPartDaughter0->Y();
- Double_t y1 = mcPartDaughter1->Y();
- Double_t pt0 = mcPartDaughter0->Pt();
- Double_t pt1 = mcPartDaughter1->Pt();
- AliDebug(2, Form("Daughter 0: eta = %f, y = %f, pt = %f", eta0, y0, pt0));
- AliDebug(2, Form("Daughter 1: eta = %f, y = %f, pt = %f", eta1, y1, pt1));
- Bool_t daught0inAcceptance = (TMath::Abs(eta0) < 0.9 && pt0 > 0.1);
- Bool_t daught1inAcceptance = (TMath::Abs(eta1) < 0.9 && pt1 > 0.1);
- if (daught0inAcceptance && daught1inAcceptance) {
- // checking whether the cuts implemented in the CF are equivalent - simply a cross-check
- AliDebug(2, "Daughter particles in acceptance");
- if (!fCFManager->CheckParticleCuts(1, mcPartDaughter0)) {
- AliDebug(2,"Inconsistency with CF cut for daughter 0!");
- }
- if (!fCFManager->CheckParticleCuts(1, mcPartDaughter1)) {
- AliDebug(2,"Inconsistency with CF cut for daughter 1!");
- }
- fCFManager->GetParticleContainer()->Fill(containerInputMC,kStepAcceptance,fWeight);
- icountAcc++;
-
- // check on the vertex
- if (fCuts->IsEventSelected(aodEvent)){
- AliDebug(2,"Vertex cut passed\n");
- // filling the container if the vertex is ok
- fCFManager->GetParticleContainer()->Fill(containerInputMC,kStepVertex,fWeight) ;
- icountVertex++;
- // check on the kTPCrefit and kITSrefit conditions of the daughters
- Bool_t refitFlag = kTRUE;
- if (trackCuts->GetRequireTPCRefit() || trackCuts->GetRequireITSRefit()){
- Int_t foundDaughters = 0;
- for (Int_t iaod =0; iaod<aodEvent->GetNumberOfTracks(); iaod++){
- AliAODTrack *track = (AliAODTrack*)aodEvent->GetTrack(iaod);
- if(track->GetStatus()&AliESDtrack::kITSpureSA) continue;
- if ((track->GetLabel() == daughter0) || (track->GetLabel() == daughter1)) {
- foundDaughters++;
- if (trackCuts->GetRequireTPCRefit()) {
- if(!(track->GetStatus()&AliESDtrack::kTPCrefit)){
- refitFlag = kFALSE;
- break;
- }
- }
- if (trackCuts->GetRequireITSRefit()) {
- if(!(track->GetStatus()&AliESDtrack::kITSrefit)){
- refitFlag = kFALSE;
- break;
- }
- }
- }
- if (foundDaughters == 2){ // both daughters have been checked
- break;
- }
- }
- if (foundDaughters != 2) refitFlag = kFALSE;
- }
- if (refitFlag){
- AliDebug(3,"Refit cut passed\n");
- fCFManager->GetParticleContainer()->Fill(containerInputMC,kStepRefit,fWeight);
- icountRefit++;
- }
- else{
- AliDebug(3,"Refit cut not passed\n");
- }
- }
- else{
- AliDebug(3,"Vertex cut not passed\n");
- }
- }
- else{
- AliDebug(3,"Acceptance cut not passed\n");
- }
- }
- else {
- AliDebug(3,"Problems in filling the container");
- continue;
- }
- }
-
- if (cquarks<2) AliDebug(2,Form("Event found with %d c-quarks", cquarks));
-
- AliDebug(2,Form("Found %i MC particles that are D0!!",icountMC));
- AliDebug(2,Form("Found %i MC particles that are D0 and satisfy Acc cuts!!",icountAcc));
- AliDebug(2,Form("Found %i MC particles that are D0 and satisfy Vertex cuts!!",icountVertex));
- AliDebug(2,Form("Found %i MC particles that are D0 and satisfy Refit cuts!!",icountRefit));
-
- // Now go to rec level
- fCountMC += icountMC;
- fCountAcc += icountAcc;
-
- AliDebug(2, Form("Found %d vertices",arrayD0toKpi->GetEntriesFast()));
-
- Int_t pdgDgD0toKpi[2]={321,211};
- Int_t isD0D0bar=1;// 1 for D0, 2 for D0bar, to be used for the PPR and PID selection steps
-
- for (Int_t iD0toKpi = 0; iD0toKpi<arrayD0toKpi->GetEntriesFast(); iD0toKpi++) {
-
- AliAODRecoDecayHF2Prong* d0tokpi = (AliAODRecoDecayHF2Prong*)arrayD0toKpi->At(iD0toKpi);
- if(!d0tokpi) continue;
- Bool_t unsetvtx=kFALSE;
- if(!d0tokpi->GetOwnPrimaryVtx()) {
- d0tokpi->SetOwnPrimaryVtx(vtx1); // needed to compute all variables
- unsetvtx=kTRUE;
- }
-
- // find associated MC particle
- Int_t mcLabel = d0tokpi->MatchToMC(421,mcArray,2,pdgDgD0toKpi) ;
- if (mcLabel == -1)
- {
- AliDebug(2,"No MC particle found");
- continue;
- }
- else {
- AliAODMCParticle* mcVtxHF = (AliAODMCParticle*)mcArray->At(mcLabel);
- if (!mcVtxHF) {
- AliWarning("Could not find associated MC in AOD MC tree");
- continue;
- }
-
- if (mcVtxHF->GetPdgCode() == 421){ // particle is D0
- if (fSign == 1){ // I ask for D0bar only
- AliDebug(2,"particle is D0, I ask for D0bar only");
- continue;
- }
- else{
- isD0D0bar=1;
- }
- }
- else if (mcVtxHF->GetPdgCode()== -421){ // particle is D0bar
- if (fSign == 0){ // I ask for D0 only
- AliDebug(2,"particle is D0bar, I ask for D0 only");
- continue;
- }
- else{
- isD0D0bar=2;
- }
- }
- else continue;
-
- // check whether the daughters have kTPCrefit and kITSrefit set
- AliAODTrack *track0 = (AliAODTrack*)d0tokpi->GetDaughter(0);
- AliAODTrack *track1 = (AliAODTrack*)d0tokpi->GetDaughter(1);
- if( !track0 || !track1 ) {
- AliWarning("Could not find associated MC daughter tracks in AOD MC tree");
- continue;
- }
- if ((trackCuts->GetRequireTPCRefit() && (!(track0->GetStatus()&AliESDtrack::kTPCrefit) || !(track1->GetStatus()&AliESDtrack::kTPCrefit))) ||
- (trackCuts->GetRequireITSRefit() && (!(track0->GetStatus()&AliESDtrack::kITSrefit) || !(track1->GetStatus()&AliESDtrack::kITSrefit)))){
- // skipping if at least one daughter does not have kTPCrefit or kITSrefit, if they were required
- continue;
- }
-
- // check on the vertex -- could be moved outside the loop on the reconstructed D0...
- if(!fCuts->IsEventSelected(aodEvent)) {
- // skipping cause vertex is not ok
- continue;
- }
-
- const Double_t d0tokpiCuts[9] = {0.3,999999.,1.1,0.,0.,999999.,999999.,999999.,0.};
- Int_t okD0, okD0bar;
- if (!(d0tokpi->SelectD0(&d0tokpiCuts[0],okD0,okD0bar))){
- // skipping candidate
- continue;
- }
-
- // check if associated MC v0 passes the cuts
- if (!fCFManager->CheckParticleCuts(0 ,mcVtxHF)) { // 0 stands for MC
- AliDebug(2, "Skipping the particles due to cuts");
- continue;
- }
- Int_t pdgGranma = CheckOrigin(mcVtxHF, mcArray);
- Int_t abspdgGranma = TMath::Abs(pdgGranma);
- if ((abspdgGranma > 500 && abspdgGranma < 600) || (abspdgGranma > 5000 && abspdgGranma < 6000)) {
- AliDebug(2,Form("At Reco level, from MC info: Particle has a b-meson, or b-baryon mother (pdg code mother = %d )--> not coming from a c-quark, skipping...", pdgGranma));
- if (!fKeepD0fromB) continue; // skipping particles that don't come from c quark
- }
- else { if(fKeepD0fromBOnly) continue; } // skipping particles that don't come from b quark
-
- // fill the container...
- Double_t pt = d0tokpi->Pt();
- Double_t rapidity = d0tokpi->YD0();
- Double_t invMass=0.;
- Double_t cosThetaStar = 9999.;
- Double_t pTpi = 0.;
- Double_t pTK = 0.;
- Double_t dca = d0tokpi->GetDCA();
- Double_t d0pi = 0.;
- Double_t d0K = 0.;
- Double_t d0xd0 = d0tokpi->Prodd0d0();
- Double_t cosPointingAngle = d0tokpi->CosPointingAngle();
- Double_t phi = d0tokpi->Phi();
- Int_t pdgCode = mcVtxHF->GetPdgCode();
- if (pdgCode > 0){
- cosThetaStar = d0tokpi->CosThetaStarD0();
- pTpi = d0tokpi->PtProng(0);
- pTK = d0tokpi->PtProng(1);
- d0pi = d0tokpi->Getd0Prong(0);
- d0K = d0tokpi->Getd0Prong(1);
- invMass=d0tokpi->InvMassD0();
- }
- else {
- cosThetaStar = d0tokpi->CosThetaStarD0bar();
- pTpi = d0tokpi->PtProng(1);
- pTK = d0tokpi->PtProng(0);
- d0pi = d0tokpi->Getd0Prong(1);
- d0K = d0tokpi->Getd0Prong(0);
- invMass=d0tokpi->InvMassD0bar();
- }
-
- Double_t cT = d0tokpi->CtD0();
-
- if (!fFillFromGenerated){
- // ...either with reconstructed values....
- containerInput[0] = pt;
- containerInput[1] = rapidity;
- containerInput[2] = cosThetaStar;
- containerInput[3] = pTpi;
- containerInput[4] = pTK;
- containerInput[5] = cT*1.E4; // in micron
- containerInput[6] = dca*1.E4; // in micron
- containerInput[7] = d0pi*1.E4; // in micron
- containerInput[8] = d0K*1.E4; // in micron
- containerInput[9] = d0xd0*1.E8; // in micron^2
- containerInput[10] = cosPointingAngle; // in micron
- containerInput[11] = phi;
- containerInput[12] = zPrimVertex; // z of reconstructed of primary vertex
- }
- else {
- // ... or with generated values
- Double_t vectorMC[7] = {9999.,9999.,9999.,9999.,9999.,9999.,9999.};
- if (GetGeneratedValuesFromMCParticle(mcVtxHF, mcArray, vectorMC)){
- containerInput[0] = vectorMC[0];
- containerInput[1] = vectorMC[1] ;
- containerInput[2] = vectorMC[2] ;
- containerInput[3] = vectorMC[3] ;
- containerInput[4] = vectorMC[4] ;
- containerInput[5] = vectorMC[5] ; // in micron
- containerInput[6] = 0.; // dummy value, meaningless in MC, in micron
- containerInput[7] = 0.; // dummy value, meaningless in MC, in micron
- containerInput[8] = 0.; // dummy value, meaningless in MC, in micron
- containerInput[9] = 100000.; // dummy value, meaningless in MC, in micron^2
- containerInput[10] = 1.01; // dummy value, meaningless in MC
- containerInput[11] = vectorMC[6];
- containerInput[12] = zMCVertex; // z of reconstructed of primary vertex
- }
- else {
- AliDebug(3,"Problems in filling the container");
- continue;
- }
- }
-
- if (!fCuts->IsInFiducialAcceptance(containerInput[0],containerInput[1])) continue; // fiducial region
-
- AliDebug(2, Form("Filling the container with pt = %f, rapidity = %f, cosThetaStar = %f, pTpi = %f, pTK = %f, cT = %f", containerInput[0], containerInput[1], containerInput[2], containerInput[3], containerInput[4], containerInput[5]));
- icountReco++;
- AliDebug(2,Form("%d: filling RECO step\n",iD0toKpi));
- fCFManager->GetParticleContainer()->Fill(containerInput,kStepReconstructed,fWeight) ;
-
- // cut in acceptance
- Float_t etaCutMin, etaCutMax, ptCutMin, ptCutMax;
- trackCuts->GetEtaRange(etaCutMin,etaCutMax);
- trackCuts->GetPtRange(ptCutMin,ptCutMax);
- Bool_t acceptanceProng0 = (d0tokpi->EtaProng(0)>etaCutMin && d0tokpi->EtaProng(0)<etaCutMax && d0tokpi->PtProng(0) > ptCutMin && d0tokpi->PtProng(0) < ptCutMax);
- Bool_t acceptanceProng1 = (d0tokpi->EtaProng(1)>etaCutMin && d0tokpi->EtaProng(1)<etaCutMax && d0tokpi->PtProng(1) > ptCutMin && d0tokpi->PtProng(1) < ptCutMax);
- if (acceptanceProng0 && acceptanceProng1) {
- AliDebug(2,"D0 reco daughters in acceptance");
- fCFManager->GetParticleContainer()->Fill(containerInput,kStepRecoAcceptance,fWeight) ;
- icountRecoAcc++;
-
- if(fAcceptanceUnf){
-
- Double_t fill[4]; //fill response matrix
-
- // dimensions 0&1 : pt,eta (Rec)
-
- fill[0] = pt ;
- fill[1] = rapidity;
-
- // dimensions 2&3 : pt,eta (MC)
-
- fill[2] = mcVtxHF->Pt();
- fill[3] = mcVtxHF->Y();
-
- fCorrelation->Fill(fill);
-
- }
-
- // cut on the min n. of clusters in ITS
- if (fCuts->IsSelected(d0tokpi,AliRDHFCuts::kTracks)){
- fCFManager->GetParticleContainer()->Fill(containerInput,kStepRecoITSClusters) ;
- icountRecoITSClusters++;
- AliDebug(2,Form("pT = %f, dca = %f, cosThetaStar = %f, pTpi = %f, pTK = %f, d0pi = %f, d0K = %f, d0xd0 = %f, cosPointingAngle = %f", pt, dca, cosThetaStar,pTpi, pTK, d0pi*1E4, d0K*1E4, d0xd0*1E8, cosPointingAngle));
-
- // setting the use of the PID cut when applying the selection to FALSE - whatever it was. Keeping track of the original value
- Bool_t iscutusingpid=fCuts->GetIsUsePID();
- Int_t isselcuts=-1,isselpid=-1;
- fCuts->SetUsePID(kFALSE);
- //Bool_t origFlag = fCuts->GetIsPrimaryWithoutDaughters();
- //fCuts->SetRemoveDaughtersFromPrim(kFALSE);
- isselcuts = fCuts->IsSelected(d0tokpi,AliRDHFCuts::kCandidate,aodEvent);
- //fCuts->SetRemoveDaughtersFromPrim(origFlag);
- fCuts->SetUsePID(iscutusingpid); // restoring usage of the PID from the cuts object
- if (isselcuts == 3 || isselcuts == isD0D0bar){
- AliDebug(2,"Particle passed PPR cuts (actually cuts for D0 analysis!)");
- fCFManager->GetParticleContainer()->Fill(containerInput,kStepRecoPPR,fWeight) ;
- icountRecoPPR++;
-
- if(!fAcceptanceUnf){ // unfolding
-
- Double_t fill[4]; //fill response matrix
-
- // dimensions 0&1 : pt,eta (Rec)
-
- fill[0] = pt ;
- fill[1] = rapidity;
-
- // dimensions 2&3 : pt,eta (MC)
-
- fill[2] = mcVtxHF->Pt();
- fill[3] = mcVtxHF->Y();
-
- fCorrelation->Fill(fill);
-
- }
-
- isselpid = fCuts->IsSelected(d0tokpi,AliRDHFCuts::kPID);
- if((fCuts->CombineSelectionLevels(3,isselcuts,isselpid)==isD0D0bar)||(fCuts->CombineSelectionLevels(3,isselcuts,isselpid)==3)){
- AliDebug(2,"Particle passed PID cuts");
- fCFManager->GetParticleContainer()->Fill(containerInput,kStepRecoPID,fWeight) ;
- icountRecoPID++;
- }
- }
- }
- }
- }
- if(unsetvtx) d0tokpi->UnsetOwnPrimaryVtx();
- } // end loop on D0->Kpi
-
- AliDebug(2, Form("Found %i Reco particles that are D0!!",icountReco));
-
- fCountReco+= icountReco;
- fCountVertex+= icountVertex;
- fCountRefit+= icountRefit;
- fCountRecoAcc+= icountRecoAcc;
- fCountRecoITSClusters+= icountRecoITSClusters;
- fCountRecoPPR+= icountRecoPPR;
- fCountRecoPID+= icountRecoPID;
-
- fHistEventsProcessed->Fill(0);
- /* PostData(0) is taken care of by AliAnalysisTaskSE */
- //PostData(1,fHistEventsProcessed) ;
- //PostData(2,fCFManager->GetParticleContainer()) ;
- //PostData(3,fCorrelation) ;
-}
-
-
-//___________________________________________________________________________
-void AliCFHeavyFlavourTaskMultiVarMultiStep::Terminate(Option_t*)
-{
- // The Terminate() function is the last function to be called during
- // a query. It always runs on the client, it can be used to present
- // the results graphically or save the results to file.
-
- AliAnalysisTaskSE::Terminate();
-
- AliInfo(Form("Found %i MC particles that are D0 in MC, in %d events",fCountMC,fEvents));
- AliInfo(Form("Found %i MC particles that are D0 in MC and satisfy Acc cuts, in %d events",fCountAcc,fEvents));
- AliInfo(Form("Found %i MC particles that are D0 in MC and satisfy Acc cuts, and satisfy Vertex requirement in %d events",fCountVertex,fEvents));
- AliInfo(Form("Found %i MC particles that are D0 in MC and satisfy Acc cuts, and satisfy ITS+TPC refit requirementin %d events",fCountRefit,fEvents));
- AliInfo(Form("Found %i reco D0 that are decaying in K+pi, in %d events",fCountReco,fEvents));
- AliInfo(Form("Among the above, found %i reco D0 that are decaying in K+pi and are in the requested acceptance, in %d events",fCountRecoAcc,fEvents));
- AliInfo(Form("Among the above, found %i reco D0 that are decaying in K+pi and have at least %d clusters in ITS, in %d events",fCountRecoITSClusters,fMinITSClusters,fEvents));
- AliInfo(Form("Among the above, found %i reco D0 that are decaying in K+pi and satisfy PPR cuts, in %d events",fCountRecoPPR,fEvents));
- AliInfo(Form("Among the above, found %i reco D0 that are decaying in K+pi and satisfy PID cuts, in %d events",fCountRecoPID,fEvents));
-
- // draw some example plots....
-
- // AliCFContainer *cont= dynamic_cast<AliCFContainer*> (GetOutputData(2));
- AliCFContainer *cont= dynamic_cast<AliCFContainer*> (GetOutputData(2));
- if(!cont) {
- printf("CONTAINER NOT FOUND\n");
- return;
- }
- // projecting the containers to obtain histograms
- // first argument = variable, second argument = step
-
- // MC-level
- TH1D* h00 = cont->ShowProjection(0,0) ; // pt
- TH1D* h10 = cont->ShowProjection(1,0) ; // rapidity
- TH1D* h20 = cont->ShowProjection(2,0) ; // cosThetaStar
- TH1D* h30 = cont->ShowProjection(3,0) ; // pTpi
- TH1D* h40 = cont->ShowProjection(4,0) ; // pTK
- TH1D* h50 = cont->ShowProjection(5,0) ; // cT
- TH1D* h60 = cont->ShowProjection(6,0) ; // dca
- TH1D* h70 = cont->ShowProjection(7,0) ; // d0pi
- TH1D* h80 = cont->ShowProjection(8,0) ; // d0K
- TH1D* h90 = cont->ShowProjection(9,0) ; // d0xd0
- TH1D* h100 = cont->ShowProjection(10,0) ; // cosPointingAngle
- TH1D* h110 = cont->ShowProjection(11,0) ; // phi
-
- // MC-Acceptance level
- TH1D* h01 = cont->ShowProjection(0,1) ; // pt
- TH1D* h11 = cont->ShowProjection(1,1) ; // rapidity
- TH1D* h21 = cont->ShowProjection(2,1) ; // cosThetaStar
- TH1D* h31 = cont->ShowProjection(3,1) ; // pTpi
- TH1D* h41 = cont->ShowProjection(4,1) ; // pTK
- TH1D* h51 = cont->ShowProjection(5,1) ; // cT
- TH1D* h61 = cont->ShowProjection(6,1) ; // dca
- TH1D* h71 = cont->ShowProjection(7,1) ; // d0pi
- TH1D* h81 = cont->ShowProjection(8,1) ; // d0K
- TH1D* h91 = cont->ShowProjection(9,1) ; // d0xd0
- TH1D* h101 = cont->ShowProjection(10,1) ; // cosPointingAngle
- TH1D* h111 = cont->ShowProjection(11,1) ; // phi
-
- // Reco-level
- TH1D* h04 = cont->ShowProjection(0,4) ; // pt
- TH1D* h14 = cont->ShowProjection(1,4) ; // rapidity
- TH1D* h24 = cont->ShowProjection(2,4) ; // cosThetaStar
- TH1D* h34 = cont->ShowProjection(3,4) ; // pTpi
- TH1D* h44 = cont->ShowProjection(4,4) ; // pTK
- TH1D* h54 = cont->ShowProjection(5,4) ; // cT
- TH1D* h64 = cont->ShowProjection(6,4) ; // dca
- TH1D* h74 = cont->ShowProjection(7,4) ; // d0pi
- TH1D* h84 = cont->ShowProjection(8,4) ; // d0K
- TH1D* h94 = cont->ShowProjection(9,4) ; // d0xd0
- TH1D* h104 = cont->ShowProjection(10,4) ; // cosPointingAngle
- TH1D* h114 = cont->ShowProjection(11,4) ; // phi
-
- h00->SetTitle("pT_D0 (GeV/c)");
- h10->SetTitle("rapidity");
- h20->SetTitle("cosThetaStar");
- h30->SetTitle("pT_pi (GeV/c)");
- h40->SetTitle("pT_K (Gev/c)");
- h50->SetTitle("cT (#mum)");
- h60->SetTitle("dca (#mum)");
- h70->SetTitle("d0_pi (#mum)");
- h80->SetTitle("d0_K (#mum)");
- h90->SetTitle("d0xd0 (#mum^2)");
- h100->SetTitle("cosPointingAngle");
- h100->SetTitle("phi (rad)");
-
- h00->GetXaxis()->SetTitle("pT_D0 (GeV/c)");
- h10->GetXaxis()->SetTitle("rapidity");
- h20->GetXaxis()->SetTitle("cosThetaStar");
- h30->GetXaxis()->SetTitle("pT_pi (GeV/c)");
- h40->GetXaxis()->SetTitle("pT_K (Gev/c)");
- h50->GetXaxis()->SetTitle("cT (#mum)");
- h60->GetXaxis()->SetTitle("dca (#mum)");
- h70->GetXaxis()->SetTitle("d0_pi (#mum)");
- h80->GetXaxis()->SetTitle("d0_K (#mum)");
- h90->GetXaxis()->SetTitle("d0xd0 (#mum^2)");
- h100->GetXaxis()->SetTitle("cosPointingAngle");
- h110->GetXaxis()->SetTitle("phi (rad)");
-
- h01->SetTitle("pT_D0 (GeV/c)");
- h11->SetTitle("rapidity");
- h21->SetTitle("cosThetaStar");
- h31->SetTitle("pT_pi (GeV/c)");
- h41->SetTitle("pT_K (Gev/c)");
- h51->SetTitle("cT (#mum)");
- h61->SetTitle("dca (#mum)");
- h71->SetTitle("d0_pi (#mum)");
- h81->SetTitle("d0_K (#mum)");
- h91->SetTitle("d0xd0 (#mum^2)");
- h101->SetTitle("cosPointingAngle");
- h111->GetXaxis()->SetTitle("phi (rad)");
-
- h01->GetXaxis()->SetTitle("pT_D0 (GeV/c)");
- h11->GetXaxis()->SetTitle("rapidity");
- h21->GetXaxis()->SetTitle("cosThetaStar");
- h31->GetXaxis()->SetTitle("pT_pi (GeV/c)");
- h41->GetXaxis()->SetTitle("pT_K (Gev/c)");
- h51->GetXaxis()->SetTitle("cT (#mum)");
- h61->GetXaxis()->SetTitle("dca (#mum)");
- h71->GetXaxis()->SetTitle("d0_pi (#mum)");
- h81->GetXaxis()->SetTitle("d0_K (#mum)");
- h91->GetXaxis()->SetTitle("d0xd0 (#mum^2)");
- h101->GetXaxis()->SetTitle("cosPointingAngle");
- h111->GetXaxis()->SetTitle("phi (rad)");
-
- h04->SetTitle("pT_D0 (GeV/c)");
- h14->SetTitle("rapidity");
- h24->SetTitle("cosThetaStar");
- h34->SetTitle("pT_pi (GeV/c)");
- h44->SetTitle("pT_K (Gev/c)");
- h54->SetTitle("cT (#mum)");
- h64->SetTitle("dca (#mum)");
- h74->SetTitle("d0_pi (#mum)");
- h84->SetTitle("d0_K (#mum)");
- h94->SetTitle("d0xd0 (#mum^2)");
- h104->SetTitle("cosPointingAngle");
- h114->GetXaxis()->SetTitle("phi (rad)");
-
- h04->GetXaxis()->SetTitle("pT_D0 (GeV/c)");
- h14->GetXaxis()->SetTitle("rapidity");
- h24->GetXaxis()->SetTitle("cosThetaStar");
- h34->GetXaxis()->SetTitle("pT_pi (GeV/c)");
- h44->GetXaxis()->SetTitle("pT_K (Gev/c)");
- h54->GetXaxis()->SetTitle("cT (#mum)");
- h64->GetXaxis()->SetTitle("dca (#mum)");
- h74->GetXaxis()->SetTitle("d0_pi (#mum)");
- h84->GetXaxis()->SetTitle("d0_K (#mum)");
- h94->GetXaxis()->SetTitle("d0xd0 (#mum^2)");
- h104->GetXaxis()->SetTitle("cosPointingAngle");
- h114->GetXaxis()->SetTitle("phi (rad)");
-
- Double_t max0 = h00->GetMaximum();
- Double_t max1 = h10->GetMaximum();
- Double_t max2 = h20->GetMaximum();
- Double_t max3 = h30->GetMaximum();
- Double_t max4 = h40->GetMaximum();
- Double_t max5 = h50->GetMaximum();
- Double_t max6 = h60->GetMaximum();
- Double_t max7 = h70->GetMaximum();
- Double_t max8 = h80->GetMaximum();
- Double_t max9 = h90->GetMaximum();
- Double_t max10 = h100->GetMaximum();
- Double_t max11 = h110->GetMaximum();
-
- h00->GetYaxis()->SetRangeUser(0,max0*1.2);
- h10->GetYaxis()->SetRangeUser(0,max1*1.2);
- h20->GetYaxis()->SetRangeUser(0,max2*1.2);
- h30->GetYaxis()->SetRangeUser(0,max3*1.2);
- h40->GetYaxis()->SetRangeUser(0,max4*1.2);
- h50->GetYaxis()->SetRangeUser(0,max5*1.2);
- h60->GetYaxis()->SetRangeUser(0,max6*1.2);
- h70->GetYaxis()->SetRangeUser(0,max7*1.2);
- h80->GetYaxis()->SetRangeUser(0,max8*1.2);
- h90->GetYaxis()->SetRangeUser(0,max9*1.2);
- h100->GetYaxis()->SetRangeUser(0,max10*1.2);
- h110->GetYaxis()->SetRangeUser(0,max11*1.2);
-
- h01->GetYaxis()->SetRangeUser(0,max0*1.2);
- h11->GetYaxis()->SetRangeUser(0,max1*1.2);
- h21->GetYaxis()->SetRangeUser(0,max2*1.2);
- h31->GetYaxis()->SetRangeUser(0,max3*1.2);
- h41->GetYaxis()->SetRangeUser(0,max4*1.2);
- h51->GetYaxis()->SetRangeUser(0,max5*1.2);
- h61->GetYaxis()->SetRangeUser(0,max6*1.2);
- h71->GetYaxis()->SetRangeUser(0,max7*1.2);
- h81->GetYaxis()->SetRangeUser(0,max8*1.2);
- h91->GetYaxis()->SetRangeUser(0,max9*1.2);
- h101->GetYaxis()->SetRangeUser(0,max10*1.2);
- h111->GetYaxis()->SetRangeUser(0,max11*1.2);
-
- h00->SetMarkerStyle(20);
- h10->SetMarkerStyle(24);
- h20->SetMarkerStyle(21);
- h30->SetMarkerStyle(25);
- h40->SetMarkerStyle(27);
- h50->SetMarkerStyle(28);
- h60->SetMarkerStyle(20);
- h70->SetMarkerStyle(24);
- h80->SetMarkerStyle(21);
- h90->SetMarkerStyle(25);
- h100->SetMarkerStyle(27);
- h110->SetMarkerStyle(28);
-
- h00->SetMarkerColor(2);
- h10->SetMarkerColor(2);
- h20->SetMarkerColor(2);
- h30->SetMarkerColor(2);
- h40->SetMarkerColor(2);
- h50->SetMarkerColor(2);
- h60->SetMarkerColor(2);
- h70->SetMarkerColor(2);
- h80->SetMarkerColor(2);
- h90->SetMarkerColor(2);
- h100->SetMarkerColor(2);
- h110->SetMarkerColor(2);
-
- h01->SetMarkerStyle(20) ;
- h11->SetMarkerStyle(24) ;
- h21->SetMarkerStyle(21) ;
- h31->SetMarkerStyle(25) ;
- h41->SetMarkerStyle(27) ;
- h51->SetMarkerStyle(28) ;
- h61->SetMarkerStyle(20);
- h71->SetMarkerStyle(24);
- h81->SetMarkerStyle(21);
- h91->SetMarkerStyle(25);
- h101->SetMarkerStyle(27);
- h111->SetMarkerStyle(28);
-
- h01->SetMarkerColor(8);
- h11->SetMarkerColor(8);
- h21->SetMarkerColor(8);
- h31->SetMarkerColor(8);
- h41->SetMarkerColor(8);
- h51->SetMarkerColor(8);
- h61->SetMarkerColor(8);
- h71->SetMarkerColor(8);
- h81->SetMarkerColor(8);
- h91->SetMarkerColor(8);
- h101->SetMarkerColor(8);
- h111->SetMarkerColor(8);
-
- h04->SetMarkerStyle(20) ;
- h14->SetMarkerStyle(24) ;
- h24->SetMarkerStyle(21) ;
- h34->SetMarkerStyle(25) ;
- h44->SetMarkerStyle(27) ;
- h54->SetMarkerStyle(28) ;
- h64->SetMarkerStyle(20);
- h74->SetMarkerStyle(24);
- h84->SetMarkerStyle(21);
- h94->SetMarkerStyle(25);
- h104->SetMarkerStyle(27);
- h114->SetMarkerStyle(28);
-
- h04->SetMarkerColor(4);
- h14->SetMarkerColor(4);
- h24->SetMarkerColor(4);
- h34->SetMarkerColor(4);
- h44->SetMarkerColor(4);
- h54->SetMarkerColor(4);
- h64->SetMarkerColor(4);
- h74->SetMarkerColor(4);
- h84->SetMarkerColor(4);
- h94->SetMarkerColor(4);
- h104->SetMarkerColor(4);
- h114->SetMarkerColor(4);
-
- gStyle->SetCanvasColor(0);
- gStyle->SetFrameFillColor(0);
- gStyle->SetTitleFillColor(0);
- gStyle->SetStatColor(0);
-
- // drawing in 2 separate canvas for a matter of clearity
- TCanvas * c1 =new TCanvas("c1","pT, rapidiy, cosThetaStar",1100,1600);
- c1->Divide(3,3);
-
- c1->cd(1);
- h00->Draw("p");
- c1->cd(1);
- c1->cd(2);
- h01->Draw("p");
- c1->cd(2);
- c1->cd(3);
- h04->Draw("p");
- c1->cd(3);
- c1->cd(4);
- h10->Draw("p");
- c1->cd(4);
- c1->cd(5);
- h11->Draw("p");
- c1->cd(5);
- c1->cd(6);
- h14->Draw("p");
- c1->cd(6);
- c1->cd(7);
- h20->Draw("p");
- c1->cd(7);
- c1->cd(8);
- h21->Draw("p");
- c1->cd(8);
- c1->cd(9);
- h24->Draw("p");
- c1->cd(9);
- c1->cd();
-
- TCanvas * c2 =new TCanvas("c2","pTpi, pTK, cT",1100,1600);
- c2->Divide(3,3);
- c2->cd(1);
- h30->Draw("p");
- c2->cd(1);
- c2->cd(2);
- h31->Draw("p");
- c2->cd(2);
- c2->cd(3);
- h34->Draw("p");
- c2->cd(3);
- c2->cd(4);
- h40->Draw("p");
- c2->cd(4);
- c2->cd(5);
- h41->Draw("p");
- c2->cd(5);
- c2->cd(6);
- h44->Draw("p");
- c2->cd(6);
- c2->cd(7);
- h50->Draw("p");
- c2->cd(7);
- c2->cd(8);
- h51->Draw("p");
- c2->cd(8);
- c2->cd(9);
- h54->Draw("p");
- c2->cd(9);
- c2->cd();
-
- TCanvas * c3 =new TCanvas("c3","dca, d0pi, d0K",1100,1600);
- c3->Divide(3,3);
- c3->cd(1);
- h60->Draw("p");
- c3->cd(1);
- c3->cd(2);
- h61->Draw("p");
- c3->cd(2);
- c3->cd(3);
- h64->Draw("p");
- c3->cd(3);
- c3->cd(4);
- h70->Draw("p");
- c3->cd(4);
- c3->cd(5);
- h71->Draw("p");
- c3->cd(5);
- c3->cd(6);
- h74->Draw("p");
- c3->cd(6);
- c3->cd(7);
- h80->Draw("p");
- c3->cd(7);
- c3->cd(8);
- h81->Draw("p");
- c3->cd(8);
- c3->cd(9);
- h84->Draw("p");
- c3->cd(9);
- c3->cd();
-
- TCanvas * c4 =new TCanvas("c4","d0xd0, cosPointingAngle, phi",1100,1600);
- c4->Divide(3,3);
- c4->cd(1);
- h90->Draw("p");
- c4->cd(1);
- c4->cd(2);
- h91->Draw("p");
- c4->cd(2);
- c4->cd(3);
- h94->Draw("p");
- c4->cd(3);
- c4->cd(4);
- h100->Draw("p");
- c4->cd(4);
- c4->cd(5);
- h101->Draw("p");
- c4->cd(5);
- c4->cd(6);
- h104->Draw("p");
- c4->cd(6);
- c4->cd(7);
- h110->Draw("p");
- c4->cd(7);
- c4->cd(8);
- h111->Draw("p");
- c4->cd(8);
- c4->cd(9);
- h114->Draw("p");
- c4->cd(9);
- c4->cd();
-
- THnSparseD* hcorr = dynamic_cast<THnSparseD*> (GetOutputData(3));
-
- TH2D* corr1 =hcorr->Projection(0,2);
- TH2D* corr2 = hcorr->Projection(1,3);
-
- TCanvas * c7 =new TCanvas("c7","",800,400);
- c7->Divide(2,1);
- c7->cd(1);
- corr1->Draw("text");
- c7->cd(2);
- corr2->Draw("text");
-
-
- TString projectionFilename="CFtaskHFprojection";
- if(fKeepD0fromBOnly) projectionFilename+="_KeepD0fromBOnly";
- else if(fKeepD0fromB) projectionFilename+="_KeepD0fromB";
- projectionFilename+=".root";
- TFile* fileProjection = new TFile(projectionFilename.Data(),"RECREATE");
-
- corr1->Write();
- corr2->Write();
- h00->Write("pT_D0_step0");
- h10->Write("rapidity_step0");
- h20->Write("cosThetaStar_step0");
- h30->Write("pT_pi_step0");
- h40->Write("pT_K_step0");
- h50->Write("cT_step0");
- h60->Write("dca_step0");
- h70->Write("d0_pi_step0");
- h80->Write("d0_K_step0");
- h90->Write("d0xd0_step0");
- h100->Write("cosPointingAngle_step0");
- h110->Write("phi_step0");
-
- h01->Write("pT_D0_step1");
- h11->Write("rapidity_step1");
- h21->Write("cosThetaStar_step1");
- h31->Write("pT_pi_step1");
- h41->Write("pT_K_step1");
- h51->Write("cT_step1");
- h61->Write("dca_step1");
- h71->Write("d0_pi_step1");
- h81->Write("d0_K_step1");
- h91->Write("d0xd0_step1");
- h101->Write("cosPointingAngle_step1");
- h111->Write("phi_step1");
-
- h04->Write("pT_D0_step2");
- h14->Write("rapidity_step2");
- h24->Write("cosThetaStar_step2");
- h34->Write("pT_pi_step2");
- h44->Write("pT_K_step2");
- h54->Write("cT_step2");
- h64->Write("dca_step2");
- h74->Write("d0_pi_step2");
- h80->Write("d0_K_step2");
- h94->Write("d0xd0_step2");
- h104->Write("cosPointingAngle_step2");
- h114->Write("phi_step2");
-
- fileProjection->Close();
-
-
-
- /*
- c1->SaveAs("Plots/pT_rapidity_cosThetaStar.eps");
- c2->SaveAs("Plots/pTpi_pTK_cT.eps");
- c3->SaveAs("Plots/dca_d0pi_d0TK.eps");
- c4->SaveAs("Plots/d0xd0_cosPointingAngle.eps");
-
- c1->SaveAs("Plots/pT_rapidity_cosThetaStar.gif");
- c2->SaveAs("Plots/pTpi_pTK_cT.gif");
- c3->SaveAs("Plots/dca_d0pi_d0TK.gif");
- c4->SaveAs("Plots/d0xd0_cosPointingAngle.gif");
- */
-}
-
-//___________________________________________________________________________
-void AliCFHeavyFlavourTaskMultiVarMultiStep::UserCreateOutputObjects() {
- //HERE ONE CAN CREATE OUTPUT OBJECTS, IN PARTICULAR IF THE OBJECT PARAMETERS DON'T NEED
- //TO BE SET BEFORE THE EXECUTION OF THE TASK
- //
- Info("UserCreateOutputObjects","CreateOutputObjects of task %s\n", GetName());
-
- //slot #1
- OpenFile(1);
- fHistEventsProcessed = new TH1I("CFHFchist0","",1,0,1) ;
-}
-
-//___________________________________________________________________________
-Double_t AliCFHeavyFlavourTaskMultiVarMultiStep::CosThetaStar(const AliAODMCParticle* mcPart, const AliAODMCParticle* mcPartDaughter0, const AliAODMCParticle* mcPartDaughter1) const {
-
- //
- // to calculate cos(ThetaStar) for generated particle
- // using the K, since mcPartDaughter0 and mcPartDaughter1 always correspond to K and pi respectively
- // (see where the function is called)
- //
-
- Int_t pdgvtx = mcPart->GetPdgCode();
- /* if (pdgvtx > 0) { // setting as the first daughter always the kaon, to be used to calculate cos(ThetaStar)
- Int_t pdgprong0 = TMath::Abs(mcPartDaughter0->GetPdgCode());
- Int_t pdgprong1 = TMath::Abs(mcPartDaughter1->GetPdgCode());
- AliInfo(Form("D0, with pdgprong0 = %d, pdgprong1 = %d",pdgprong0,pdgprong1));
- AliDebug(2,"This is a D0");
- AliAODMCParticle* mcPartdummy = mcPartDaughter0;
- mcPartDaughter0 = mcPartDaughter1;
- mcPartDaughter1 = mcPartdummy;
- }
- else{
- AliInfo("D0bar");
- }
- */
- Int_t pdgprong0 = TMath::Abs(mcPartDaughter0->GetPdgCode());
- Int_t pdgprong1 = TMath::Abs(mcPartDaughter1->GetPdgCode());
- if (pdgvtx > 0) { // setting as the first daughter always the kaon, to be used to calculate cos(ThetaStar)
- AliDebug(2,"D0");
- }
- else{
- AliDebug(2,"D0bar");
- }
- if (pdgprong0 == 211){
- AliDebug(2,Form("pdgprong0 = %d, pdgprong1 = %d, switching...",pdgprong0,pdgprong1));
- const AliAODMCParticle* mcPartdummy = mcPartDaughter0;
- mcPartDaughter0 = mcPartDaughter1;
- mcPartDaughter1 = mcPartdummy;
- pdgprong0 = TMath::Abs(mcPartDaughter0->GetPdgCode());
- pdgprong1 = TMath::Abs(mcPartDaughter1->GetPdgCode());
- }
-
- AliDebug(2,Form("After checking, pdgprong0 = %d, pdgprong1 = %d",pdgprong0,pdgprong1));
- Double_t massvtx = TDatabasePDG::Instance()->GetParticle(TMath::Abs(pdgvtx))->Mass();
- Double_t massp[2];
- massp[0] = TDatabasePDG::Instance()->GetParticle(pdgprong0)->Mass();
- massp[1] = TDatabasePDG::Instance()->GetParticle(pdgprong1)->Mass();
-
- Double_t pStar = TMath::Sqrt(TMath::Power(massvtx*massvtx-massp[0]*massp[0]-massp[1]*massp[1],2.)-4.*massp[0]*massp[0]*massp[1]*massp[1])/(2.*massvtx);
-
- Double_t px = mcPartDaughter0->Px()+mcPartDaughter1->Px();
- Double_t py = mcPartDaughter0->Py()+mcPartDaughter1->Py();
- Double_t pz = mcPartDaughter0->Pz()+mcPartDaughter1->Pz();
- Double_t p = TMath::Sqrt(px*px+py*py+pz*pz);
- Double_t e = TMath::Sqrt(massvtx*massvtx+p*p);
- Double_t beta = p/e;
- Double_t gamma = e/massvtx;
- TVector3 mom(mcPartDaughter0->Px(),mcPartDaughter0->Py(),mcPartDaughter0->Pz());
- TVector3 momTot(mcPartDaughter0->Px()+mcPartDaughter1->Px(),mcPartDaughter0->Py()+mcPartDaughter1->Py(),mcPartDaughter0->Pz()+mcPartDaughter1->Pz());
-
- Double_t qlprong = mom.Dot(momTot)/momTot.Mag(); // analog to AliAODRecoDecay::QlProng(0)
-
- AliDebug(2,Form("pStar = %f, beta = %f, gamma = %f, qlprong = %f, massp[0] = %f", pStar, beta, gamma, qlprong, massp[0]));
- Double_t cts = (qlprong/gamma-beta*TMath::Sqrt(pStar*pStar+massp[0]*massp[0]))/pStar;
- AliDebug(2,Form("cts = %f", cts));
- return cts;
-}
-//___________________________________________________________________________
-Double_t AliCFHeavyFlavourTaskMultiVarMultiStep::CT(const AliAODMCParticle* mcPart, const AliAODMCParticle* mcPartDaughter0, const AliAODMCParticle* mcPartDaughter1) const {
-
- //
- // to calculate cT for generated particle
- //
-
- Double_t xmcPart[3] = {0,0,0};
- Double_t xdaughter0[3] = {0,0,0};
- Double_t xdaughter1[3] = {0,0,0};
- mcPart->XvYvZv(xmcPart); // cm
- mcPartDaughter0->XvYvZv(xdaughter0); // cm
- mcPartDaughter1->XvYvZv(xdaughter1); //cm
- Double_t prodVtxD0 = TMath::Sqrt(xmcPart[0]*xmcPart[0]+
- xmcPart[1]*xmcPart[1]+
- xmcPart[2]*xmcPart[2]);
- Double_t prodVtxDaughter0 = TMath::Sqrt(xdaughter0[0]*xdaughter0[0]+
- xdaughter0[1]*xdaughter0[1]+
- xdaughter0[2]*xdaughter0[2]);
- Double_t prodVtxDaughter1 = TMath::Sqrt(xdaughter1[0]*xdaughter1[0]+
- xdaughter1[1]*xdaughter1[1]+
- xdaughter1[2]*xdaughter1[2]);
-
- AliDebug(2, Form("D0: x = %f, y = %f, z = %f, production vertex distance = %f (cm), %f (micron)", xmcPart[0], xmcPart[1], xmcPart[2], prodVtxD0, prodVtxD0*1.E4));
- AliDebug(2, Form("Daughter0: x = %f, y = %f, z = %f, production vertex distance = %f (cm) %f (micron)", xdaughter0[0], xdaughter0[1], xdaughter0[2], prodVtxDaughter0, prodVtxDaughter0*1E4));
- AliDebug(2, Form("Daughter1: x = %f, y = %f, z = %f, production vertex distance = %f (cm) %f (micron)", xdaughter1[0], xdaughter1[1], xdaughter1[2], prodVtxDaughter1, prodVtxDaughter1*1.E4));
-
- Double_t cT0 = TMath::Sqrt((xdaughter0[0]-xmcPart[0])*(xdaughter0[0]-xmcPart[0])+
- (xdaughter0[1]-xmcPart[1])*(xdaughter0[1]-xmcPart[1])+
- (xdaughter0[2]-xmcPart[2])*(xdaughter0[2]-xmcPart[2]));
-
- Double_t cT1 = TMath::Sqrt((xdaughter1[0]-xmcPart[0])*(xdaughter1[0]-xmcPart[0])+
- (xdaughter1[1]-xmcPart[1])*(xdaughter1[1]-xmcPart[1])+
- (xdaughter1[2]-xmcPart[2])*(xdaughter1[2]-xmcPart[2]));
-
- if ((cT0 - cT1)>1E-5) {
- AliWarning(Form("cT from daughter 0 (%f) different from cT from daughter 1 (%f)! Using cT from daughter 0, but PLEASE, CHECK....",cT0,cT1));
- }
-
- // calculating cT from cT0
-
- Double_t mass = TDatabasePDG::Instance()->GetParticle(mcPart->GetPdgCode())->Mass(); // mcPart->GetPdgCode() should return +/- 421 for the D0/D0bar
- Double_t p = mcPart-> P();
- Double_t cT = cT0*mass/p;
- AliDebug(2, Form("cT from daughter 0 = %f (micron)", cT0*1E4));
- AliDebug(2, Form("cT from daughter 1 = %f (micron)", cT1*1E4));
- AliDebug(2, Form("cT (with mass = %f and p = %f) = %f (micron)", mass, p, cT*1E4));
- return cT;
-}
-//________________________________________________________________________________
-Bool_t AliCFHeavyFlavourTaskMultiVarMultiStep::GetGeneratedValuesFromMCParticle(AliAODMCParticle* mcPart, const TClonesArray* mcArray, Double_t* vectorMC) const {
-
- //
- // collecting all the necessary info (pt, y, cosThetaStar, ptPi, ptKa, cT) from MC particle
- //
-
- Bool_t isOk = kFALSE;
-
- // check whether the D0 decays in pi+K
- // to be added!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- // could use a cut in the CF, but not clear how to define a TDecayChannel
- // implemented for the time being as a cut on the number of daughters - see later when
- // getting the daughters
-
- // getting the daughters
- Int_t daughter0 = mcPart->GetDaughter(0);
- Int_t daughter1 = mcPart->GetDaughter(1);
- AliDebug(2, Form("daughter0 = %d and daughter1 = %d",daughter0,daughter1));
- if (daughter0 == 0 || daughter1 == 0) {
- AliDebug(2, "Error! the D0 MC doesn't have correct daughters!!");
- return isOk;
- }
- if (TMath::Abs(daughter1 - daughter0) != 1) {
- AliDebug(2, "The D0 MC doesn't come from a 2-prong decay, skipping!!");
- return isOk;
- }
- AliAODMCParticle* mcPartDaughter0 = dynamic_cast<AliAODMCParticle*>(mcArray->At(daughter0));
- AliAODMCParticle* mcPartDaughter1 = dynamic_cast<AliAODMCParticle*>(mcArray->At(daughter1));
- if (!mcPartDaughter0 || !mcPartDaughter1) {
- AliWarning("At least one Daughter Particle not found in tree, skipping");
- return isOk;
- }
- if (!(TMath::Abs(mcPartDaughter0->GetPdgCode())==321 &&
- TMath::Abs(mcPartDaughter1->GetPdgCode())==211) &&
- !(TMath::Abs(mcPartDaughter0->GetPdgCode())==211 &&
- TMath::Abs(mcPartDaughter1->GetPdgCode())==321)) {
- AliDebug(2, "The D0 MC doesn't come from a Kpi decay, skipping!!");
- return isOk;
- }
-
- Double_t vtx1[3] = {0,0,0}; // primary vertex
- Double_t vtx2daughter0[3] = {0,0,0}; // secondary vertex from daughter 0
- Double_t vtx2daughter1[3] = {0,0,0}; // secondary vertex from daughter 1
- mcPart->XvYvZv(vtx1); // cm
- // getting vertex from daughters
- mcPartDaughter0->XvYvZv(vtx2daughter0); // cm
- mcPartDaughter1->XvYvZv(vtx2daughter1); //cm
- if (vtx2daughter0[0] != vtx2daughter1[0] && vtx2daughter0[1] != vtx2daughter1[1] && vtx2daughter0[2] != vtx2daughter1[2]) {
- AliError("Daughters have different secondary vertex, skipping the track");
- return isOk;
- }
- Int_t nprongs = 2;
- Short_t charge = 0;
- // always instantiate the AliAODRecoDecay with the positive daughter first, the negative second
- AliAODMCParticle* positiveDaugh = mcPartDaughter0;
- AliAODMCParticle* negativeDaugh = mcPartDaughter1;
- if (mcPartDaughter0->GetPdgCode()<0 && mcPartDaughter1->GetPdgCode()>0){
- // inverting in case the positive daughter is the second one
- positiveDaugh = mcPartDaughter1;
- negativeDaugh = mcPartDaughter0;
- }
- // getting the momentum from the daughters
- Double_t px[2] = {positiveDaugh->Px(), negativeDaugh->Px()};
- Double_t py[2] = {positiveDaugh->Py(), negativeDaugh->Py()};
- Double_t pz[2] = {positiveDaugh->Pz(), negativeDaugh->Pz()};
-
- Double_t d0[2] = {0.,0.};
-
- AliAODRecoDecayHF* decay = new AliAODRecoDecayHF(vtx1,vtx2daughter0,nprongs,charge,px,py,pz,d0);
-
- Double_t cosThetaStar = 0.;
- Double_t cosThetaStarD0 = 0.;
- Double_t cosThetaStarD0bar = 0.;
- cosThetaStarD0 = decay->CosThetaStar(1,421,211,321);
- cosThetaStarD0bar = decay->CosThetaStar(0,421,321,211);
- if (mcPart->GetPdgCode() == 421){ // D0
- AliDebug(3, Form("D0, with pdgprong0 = %d, pdgprong1 = %d",mcPartDaughter0->GetPdgCode(),mcPartDaughter1->GetPdgCode()));
- cosThetaStar = cosThetaStarD0;
- }
- else if (mcPart->GetPdgCode() == -421){ // D0bar{
- AliDebug(3, Form("D0bar, with pdgprong0 = %d, pdgprong1 = %d",mcPartDaughter0->GetPdgCode(),mcPartDaughter1->GetPdgCode()));
- cosThetaStar = cosThetaStarD0bar;
- }
- else{
- AliWarning("There are problems!! particle was expected to be either a D0 or a D0bar, check...");
- return vectorMC;
- }
- if (cosThetaStar < -1 || cosThetaStar > 1) {
- AliWarning("Invalid value for cosine Theta star, returning");
- return isOk;
- }
-
- // calculate cos(Theta*) according to the method implemented herein
-
- Double_t cts = 9999.;
- cts = CosThetaStar(mcPart, mcPartDaughter0, mcPartDaughter1);
- if (cts < -1 || cts > 1) {
- AliWarning("Invalid value for cosine Theta star from AliCFHeavyFlavourTaskMultiVarMultiStep method");
- }
- if (TMath::Abs(cts - cosThetaStar)>0.001) {
- AliError(Form("cosThetaStar automatically calculated different from that manually calculated!!! cosThetaStar = %f, cosThetaStar = %f", cosThetaStar,cts));
- }
-
- Double_t cT = decay->Ct(421);
-
- // calculate cT from the method implemented herein
- Double_t cT1 = 0.;
- cT1 = CT(mcPart, mcPartDaughter0, mcPartDaughter1);
-
- if (TMath::Abs(cT1 - cT)>0.001) {
- AliError(Form("cT automatically calculated different from that manually calculated!!! cT = %f, cT1 = %f",cT,cT1));
- }
-
- // get the pT of the daughters
-
- Double_t pTpi = 0.;
- Double_t pTK = 0.;
-
- if (TMath::Abs(mcPartDaughter0->GetPdgCode()) == 211) {
- pTpi = mcPartDaughter0->Pt();
- pTK = mcPartDaughter1->Pt();
- }
- else {
- pTpi = mcPartDaughter1->Pt();
- pTK = mcPartDaughter0->Pt();
- }
-
- vectorMC[0] = mcPart->Pt();
- vectorMC[1] = mcPart->Y() ;
- vectorMC[2] = cosThetaStar ;
- vectorMC[3] = pTpi ;
- vectorMC[4] = pTK ;
- vectorMC[5] = cT*1.E4 ; // in micron
- vectorMC[6] = mcPart->Phi() ;
- isOk = kTRUE;
- return isOk;
-}
-//_________________________________________________________________________________________________
-Int_t AliCFHeavyFlavourTaskMultiVarMultiStep::CheckOrigin(const AliAODMCParticle* mcPart, const TClonesArray* mcArray)const{
-
- //
- // checking whether the very mother of the D0 is a charm or a bottom quark
- //
-
- Int_t pdgGranma = 0;
- Int_t mother = 0;
- mother = mcPart->GetMother();
- Int_t istep = 0;
- while (mother >0 ){
- istep++;
- AliDebug(2,Form("mother at step %d = %d", istep, mother));
- AliAODMCParticle* mcGranma = dynamic_cast<AliAODMCParticle*>(mcArray->At(mother));
- if(!mcGranma) break;
- pdgGranma = mcGranma->GetPdgCode();
- AliDebug(2,Form("Pdg mother at step %d = %d", istep, pdgGranma));
- Int_t abspdgGranma = TMath::Abs(pdgGranma);
- if ((abspdgGranma > 500 && abspdgGranma < 600) || (abspdgGranma > 5000 && abspdgGranma < 6000)) {
- break;
- }
- mother = mcGranma->GetMother();
- }
- return pdgGranma;
-}
-//__________________________________________________________________________________________________
-Double_t AliCFHeavyFlavourTaskMultiVarMultiStep::GetWeight(Float_t pt){
-
- //
- // calculating the weight to fill the container
- //
-
- // FNOLL central:
- // p0 = 1.63297e-01 --> 0.322643
- // p1 = 2.96275e+00
- // p2 = 2.30301e+00
- // p3 = 2.50000e+00
-
- // PYTHIA
- // p0 = 1.85906e-01 --> 0.36609
- // p1 = 1.94635e+00
- // p2 = 1.40463e+00
- // p3 = 2.50000e+00
-
- Double_t func1[4] = {0.322643,2.96275,2.30301,2.5};
- Double_t func2[4] = {0.36609,1.94635,1.40463,2.5};
-
- Double_t dndptFunc1 = DodNdptFit(pt,func1);
- if(fUseFlatPtWeight) dndptFunc1 = 1./30.;
- Double_t dndptFunc2 = DodNdptFit(pt,func2);
- AliDebug(2,Form("pt = %f, FONLL = %f, Pythia = %f, ratio = %f",pt,dndptFunc1,dndptFunc2,dndptFunc1/dndptFunc2));
- return dndptFunc1/dndptFunc2;
-}
-
-//__________________________________________________________________________________________________
-Double_t AliCFHeavyFlavourTaskMultiVarMultiStep::DodNdptFit(Float_t pt, const Double_t* par)const{
-
- //
- // calculating dNdpt
- //
-
- Double_t denom = TMath::Power((pt/par[1]), par[3] );
- Double_t dNdpt = par[0]*pt/TMath::Power(1.+denom, par[2]);
-
- return dNdpt;
-}
-
-//__________________________________________________________________________________________________
-Double_t AliCFHeavyFlavourTaskMultiVarMultiStep::GetZWeight(Float_t z, Int_t runnumber){
-
- if(runnumber>146824 || runnumber<146803) return 1.0;
-
- Double_t func1[3] = {1.0, 0., 6.5 };
- Double_t func2[3] = {1.0, 0., 5.5 };
-
- Double_t dzFunc1 = DodzShape(z,func1);
- Double_t dzFunc2 = DodzShape(z,func2);
-
- return dzFunc1/dzFunc2;
-}
-
-//__________________________________________________________________________________________________
-Double_t AliCFHeavyFlavourTaskMultiVarMultiStep::DodzShape(Float_t z, const Double_t* par) const{
-
- //
- // Gaussian z-vtx shape
- //
- //gaussian = [0]/TMath::Sqrt(2.*TMath::Pi())/[2]*exp[-(x-[1])*(x-[1])/(2*[2]*[2])]
-
- Double_t value = par[0]/TMath::Sqrt(2.*TMath::Pi())/par[2]*TMath::Exp(-(z-par[1])*(z-par[1])/2./par[2]/par[2]);
-
- return value;
-}
git://git.uio.no / u / mrichter / AliRoot.git / commitdiff