+++ /dev/null
-/**************************************************************************
- * Contributors are not mentioned at all. *
- * *
- * 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. *
- **************************************************************************/
-//
-//-----------------------------------------------------------------
-// AliAnalysisTaskHelium3Pi class
-//-----------------------------------------------------------------
-
-
-class TTree;
-class TParticle;
-class TVector3;
-
-#include "AliAnalysisManager.h"
-#include <AliMCEventHandler.h>
-#include <AliMCEvent.h>
-#include <AliStack.h>
-
-class AliESDVertex;
-class AliAODVertex;
-class AliESDv0;
-class AliAODv0;
-class AliCascadeVertexer;
-
-#include <iostream>
-#include "AliAnalysisTaskSE.h"
-#include "TList.h"
-#include "TH1.h"
-#include "TH2.h"
-#include "TH3.h"
-#include "TNtuple.h"
-#include "TGraph.h"
-#include "TCutG.h"
-#include "TF1.h"
-#include "TCanvas.h"
-#include "TMath.h"
-#include "TChain.h"
-#include "Riostream.h"
-#include "AliLog.h"
-#include "AliCascadeVertexer.h"
-#include "AliESDEvent.h"
-#include "AliESDtrack.h"
-#include "AliExternalTrackParam.h"
-#include "AliAODEvent.h"
-#include "AliInputEventHandler.h"
-#include "AliESDcascade.h"
-#include "AliAODcascade.h"
-#include "AliAnalysisTaskHelium3Pi.h"
-#include "AliESDtrackCuts.h"
-#include "AliCentrality.h"
-#include "TString.h"
-#include <TDatime.h>
-#include <TRandom3.h>
-#include <TLorentzVector.h>
-//#include <AliVTrack.h>
-
-const Int_t AliAnalysisTaskHelium3Pi::fgNrot = 15;
-
-ClassImp(AliAnalysisTaskHelium3Pi)
-
-//________________________________________________________________________
-AliAnalysisTaskHelium3Pi::AliAnalysisTaskHelium3Pi()
-: AliAnalysisTaskSE(),
- fAnalysisType("ESD"),
- fCollidingSystems(0),
- fESDtrackCuts(0),
- fDataType("REAL"),
- fListHist(0),
- fHistEventMultiplicity(0),
- fHistTrackMultiplicity(0),
- fHistTrackMultiplicityCent(0),
- fHistTrackMultiplicitySemiCent(0),
- fHistTrackMultiplicityMB(0),
- fHistTrackMultiplicityPVCent(0),
- fHistTrackMultiplicityPVSemiCent(0),
- fHistTrackMultiplicityPVMB(0),
- fhBB(0),
- fhTOF(0),
- fhMassTOF(0),
- fhBBPions(0),
- fhBBHe(0),
- fhNaPos(0),
- fhNaNeg(0),
- fBetavsTPCsignalPos(0),
- fBetavsTPCsignalNeg(0),
- fNtuple1(0),
- trunNumber(0),
- tbunchcross(0),
- torbit(0),
- tperiod(0),
- teventtype(0),
- tTrackNumber(0),
- tpercentile(0),
- txPrimaryVertex(0),
- tyPrimaryVertex(0),
- tzPrimaryVertex(0),
- txSecondaryVertex(0),
- tySecondaryVertex(0),
- tzSecondaryVertex(0),
- tdcaTracks(0),
- tCosPointingAngle(0),
- tDCAV0toPrimaryVertex(0),
- tHeSign(0),
- tHepInTPC(0),
- tHeTPCsignal(0),
- tDcaHeToPrimVertex(0),
- tHeEta(0),
- tmomHex(0),
- tmomHey(0),
- tmomHez(0),
- tmomHeAtSVx(0),
- tmomHeAtSVy(0),
- tmomHeAtSVz(0),
- tHeTPCNcls(0),
- tHeimpactXY(0),
- tHeimpactZ(0),
- tHeITSClusterMap(0),
- tIsHeITSRefit(0),
- tPionSign(0),
- tPionpInTPC(0),
- tPionTPCsignal(0),
- tDcaPionToPrimVertex(0),
- tPionEta(0),
- tmomPionx(0),
- tmomPiony(0),
- tmomPionz(0),
- tmomNegPionAtSVx(0),
- tmomNegPionAtSVy(0),
- tmomNegPionAtSVz(0),
- tPionTPCNcls(0),
- tPionimpactXY(0),
- tPionimpactZ(0),
- tPionITSClusterMap(0),
- tIsPiITSRefit(0),
- txn(0),
- txp(0),
- tchi2He(0),
- tchi2Pi(0),
- fNtuple4(0),
- tHelrunNumber(0),
- tHelBCNumber(0),
- tHelOrbitNumber(0),
- tHelPeriodNumber(0),
- tHeleventtype(0),
- tHelisHeITSrefit(0),
- tHelpercentile(0),
- tHelSign(0),
- tHelpinTPC(0),
- tHelGetTPCsignal(0),
- tHelPx(0),
- tHelPy(0),
- tHelPz(0),
- tHelEta(0),
- tHelisTOF(0),
- tHelpoutTPC(0),
- tHeltimeTOF(0),
- tHeltrackLenghtTOF(0),
- tHelimpactXY(0),
- tHelimpactZ(0),
- tHelmapITS(0),
- tHelTPCNcls(0),
- tHelTRDsignal(0),
- tHelxPrimaryVertex(0),
- tHelyPrimaryVertex(0),
- tHelzPrimaryVertex(0),
- tHelchi2PerClusterTPC(0),
- fPIDResponse(0)
-
-{
- // Dummy Constructor
-
- // printf("Dummy Constructor");
-
- fESDtrackCuts = new AliESDtrackCuts("fESDtrackCuts");
- fESDtrackCuts->SetRequireITSStandAlone(kFALSE);
- fESDtrackCuts->SetRequireITSPureStandAlone(kFALSE);
-
- fESDtrackCuts->SetRequireTPCRefit(kTRUE);
- fESDtrackCuts->SetAcceptKinkDaughters(kFALSE);
- fESDtrackCuts->SetMinNClustersTPC(60);
- fESDtrackCuts->SetMaxChi2PerClusterTPC(5);
- fESDtrackCuts->SetEtaRange(-0.9,0.9);
-
-}
-
-//________________________________________________________________________
-AliAnalysisTaskHelium3Pi::AliAnalysisTaskHelium3Pi(const char *name)
-: AliAnalysisTaskSE(name),
- fAnalysisType("ESD"),
- fCollidingSystems(0),
- fESDtrackCuts(0),
- fDataType("REAL"),
- fListHist(0),
- fHistEventMultiplicity(0),
- fHistTrackMultiplicity(0),
- fHistTrackMultiplicityCent(0),
- fHistTrackMultiplicitySemiCent(0),
- fHistTrackMultiplicityMB(0),
- fHistTrackMultiplicityPVCent(0),
- fHistTrackMultiplicityPVSemiCent(0),
- fHistTrackMultiplicityPVMB(0),
- fhBB(0),
- fhTOF(0),
- fhMassTOF(0),
- fhBBPions(0),
- fhBBHe(0),
- fhNaPos(0),
- fhNaNeg(0),
- fBetavsTPCsignalPos(0),
- fBetavsTPCsignalNeg(0),
- fNtuple1(0),
- trunNumber(0),
- tbunchcross(0),
- torbit(0),
- tperiod(0),
- teventtype(0),
- tTrackNumber(0),
- tpercentile(0),
- txPrimaryVertex(0),
- tyPrimaryVertex(0),
- tzPrimaryVertex(0),
- txSecondaryVertex(0),
- tySecondaryVertex(0),
- tzSecondaryVertex(0),
- tdcaTracks(0),
- tCosPointingAngle(0),
- tDCAV0toPrimaryVertex(0),
- tHeSign(0),
- tHepInTPC(0),
- tHeTPCsignal(0),
- tDcaHeToPrimVertex(0),
- tHeEta(0),
- tmomHex(0),
- tmomHey(0),
- tmomHez(0),
- tmomHeAtSVx(0),
- tmomHeAtSVy(0),
- tmomHeAtSVz(0),
- tHeTPCNcls(0),
- tHeimpactXY(0),
- tHeimpactZ(0),
- tHeITSClusterMap(0),
- tIsHeITSRefit(0),
- tPionSign(0),
- tPionpInTPC(0),
- tPionTPCsignal(0),
- tDcaPionToPrimVertex(0),
- tPionEta(0),
- tmomPionx(0),
- tmomPiony(0),
- tmomPionz(0),
- tmomNegPionAtSVx(0),
- tmomNegPionAtSVy(0),
- tmomNegPionAtSVz(0),
- tPionTPCNcls(0),
- tPionimpactXY(0),
- tPionimpactZ(0),
- tPionITSClusterMap(0),
- tIsPiITSRefit(0),
- txn(0),
- txp(0),
- tchi2He(0),
- tchi2Pi(0),
- fNtuple4(0),
- tHelrunNumber(0),
- tHelBCNumber(0),
- tHelOrbitNumber(0),
- tHelPeriodNumber(0),
- tHeleventtype(0),
- tHelisHeITSrefit(0),
- tHelpercentile(0),
- tHelSign(0),
- tHelpinTPC(0),
- tHelGetTPCsignal(0),
- tHelPx(0),
- tHelPy(0),
- tHelPz(0),
- tHelEta(0),
- tHelisTOF(0),
- tHelpoutTPC(0),
- tHeltimeTOF(0),
- tHeltrackLenghtTOF(0),
- tHelimpactXY(0),
- tHelimpactZ(0),
- tHelmapITS(0),
- tHelTPCNcls(0),
- tHelTRDsignal(0),
- tHelxPrimaryVertex(0),
- tHelyPrimaryVertex(0),
- tHelzPrimaryVertex(0),
- tHelchi2PerClusterTPC(0),
- fPIDResponse(0)
-{
-
- // Define input and output slots here
- // Input slot #0 works with a TChain
- //DefineInput(0, TChain::Class());
- // Output slot #0 writes into a TList container ()
-
- DefineInput(0, TChain::Class());
-
- DefineOutput(1, TList::Class());
- DefineOutput(2, TTree::Class());
- DefineOutput(3, TTree::Class());
-
- fESDtrackCuts = new AliESDtrackCuts("fESDtrackCuts");
- fESDtrackCuts->SetRequireITSStandAlone(kFALSE);
- fESDtrackCuts->SetRequireITSPureStandAlone(kFALSE);
-
- fESDtrackCuts->SetRequireTPCRefit(kTRUE);
- fESDtrackCuts->SetAcceptKinkDaughters(kFALSE);
- fESDtrackCuts->SetMinNClustersTPC(60);
- fESDtrackCuts->SetMaxChi2PerClusterTPC(5);
- fESDtrackCuts->SetEtaRange(-0.9,0.9);
-
-}
-//_______________________________________________________
-AliAnalysisTaskHelium3Pi::~AliAnalysisTaskHelium3Pi()
-{
- // Destructor
- if (fListHist) {
- delete fListHist;
- fListHist = 0;
- }
-
- if (fESDtrackCuts) delete fESDtrackCuts;
- if(fNtuple1) delete fNtuple1;
- if(fNtuple4) delete fNtuple4;
-}
-//=================DEFINITION BETHE BLOCH==============================
-
-Double_t AliAnalysisTaskHelium3Pi::BetheBloch(Double_t betaGamma,Double_t charge,Bool_t isPbPb) {
-
- Double_t kp1, kp2, kp3, kp4, kp5;
-
- if(isPbPb){
-
- // pass1 2011
- kp1 = 4.7*charge*charge;
- kp2 = 8.98482806165147636e+00;
- kp3 = 1.54000000000000005e-05;
- kp4 = 2.30445734159456084e+00;
- kp5 = 2.25624744086878559e+00;
-
- }
-
- else{
-
- // to be defined ...
- //pass1 2011
- kp1 = 4.7*charge*charge;
- kp2 = 8.98482806165147636e+00;
- kp3 = 1.54000000000000005e-05;
- kp4 = 2.30445734159456084e+00;
- kp5 = 2.25624744086878559e+00;
-
- }
-
- Double_t beta = betaGamma / TMath::Sqrt(1.0 + betaGamma * betaGamma);
-
- Double_t aa = TMath::Power(beta, kp4);
- Double_t bb = TMath::Power(1.0 / betaGamma, kp5);
-
- bb = TMath::Log(kp3 + bb);
-
- Double_t out = (kp2 - aa - bb) * kp1 / aa;
-
- return out;
-
-}
-
-//==================DEFINITION OF OUTPUT OBJECTS==============================
-
-void AliAnalysisTaskHelium3Pi::UserCreateOutputObjects()
-{
-
- fListHist = new TList();
- fListHist->SetOwner(); // IMPORTANT!
-
- if(! fHistEventMultiplicity ){
- fHistEventMultiplicity = new TH1F( "fHistEventMultiplicity" , "Nb of Events" , 12 , -0.5, 11.5);
- fHistEventMultiplicity->GetXaxis()->SetBinLabel(1 ,"All Events");
- fHistEventMultiplicity->GetXaxis()->SetBinLabel(2 ,"Events w/PV");
- fHistEventMultiplicity->GetXaxis()->SetBinLabel(3 ,"Events w/|Vz|<10cm");
- fHistEventMultiplicity->GetXaxis()->SetBinLabel(4 ,"Central Events");
- fHistEventMultiplicity->GetXaxis()->SetBinLabel(5 ,"SemiCentral Events");
- fHistEventMultiplicity->GetXaxis()->SetBinLabel(6 ,"MB Events");
- fHistEventMultiplicity->GetXaxis()->SetBinLabel(7 ,"Central Events w/|Vz|<10cm");
- fHistEventMultiplicity->GetXaxis()->SetBinLabel(8 ,"SemiCentral Events w/|Vz|<10cm");
- fHistEventMultiplicity->GetXaxis()->SetBinLabel(9 ,"MB Events w/|Vz|<10cm");
- fHistEventMultiplicity->GetXaxis()->SetBinLabel(10,"Any Events");
- fHistEventMultiplicity->GetXaxis()->SetBinLabel(11,"Any Events w/|Vz|<10cm");
-
- fListHist->Add(fHistEventMultiplicity);
- }
-
- if(! fHistTrackMultiplicity ){
- fHistTrackMultiplicity = new TH2F( "fHistTrackMultiplicity" , "Nb of Tracks", 2500,0, 25000,210,-1,104);
- fHistTrackMultiplicity->GetXaxis()->SetTitle("Number of tracks");
- fHistTrackMultiplicity->GetYaxis()->SetTitle("Percentile");
- fListHist->Add(fHistTrackMultiplicity);
- }
-
- if(! fHistTrackMultiplicityCent ){
- fHistTrackMultiplicityCent = new TH2F( "fHistTrackMultiplicityCent", "Nb of Tracks Central Events", 2500,0, 25000,210,-1,104 );
- fHistTrackMultiplicityCent->GetXaxis()->SetTitle("Number of tracks");
- fHistTrackMultiplicityCent->GetYaxis()->SetTitle("Percentile");
- fListHist->Add(fHistTrackMultiplicityCent);
- }
-
- if(! fHistTrackMultiplicitySemiCent ){
- fHistTrackMultiplicitySemiCent = new TH2F( "fHistTrackMultiplicitySemiCent" , "Nb of Tracks SemiCentral Events", 2500,0, 25000 ,210,-1,104);
- fHistTrackMultiplicitySemiCent->GetXaxis()->SetTitle("Number of tracks");
- fHistTrackMultiplicitySemiCent->GetYaxis()->SetTitle("Percentile");
- fListHist->Add(fHistTrackMultiplicitySemiCent);
- }
-
- if(! fHistTrackMultiplicityMB ){
- fHistTrackMultiplicityMB = new TH2F( "fHistTrackMultiplicityMB" , "Nb of Tracks MBral Events", 2500,0, 25000,210,-1,104 );
- fHistTrackMultiplicityMB->GetXaxis()->SetTitle("Number of tracks");
- fHistTrackMultiplicityMB->GetYaxis()->SetTitle("Percentile");
- fListHist->Add(fHistTrackMultiplicityMB);
- }
-
- if(! fHistTrackMultiplicityPVCent ){
- fHistTrackMultiplicityPVCent = new TH2F( "fHistTrackMultiplicityPVCent" , "Nb of Tracks Central Events", 2500,0, 25000,210,-1,104 );
- fHistTrackMultiplicityPVCent->GetXaxis()->SetTitle("Number of tracks");
- fHistTrackMultiplicityPVCent->GetYaxis()->SetTitle("Percentile");
- fListHist->Add(fHistTrackMultiplicityPVCent);
- }
-
- if(! fHistTrackMultiplicityPVSemiCent ){
- fHistTrackMultiplicityPVSemiCent = new TH2F( "fHistTrackMultiplicityPVSemiCent" , "Nb of Tracks SemiCentral Events", 2500,0, 25000 ,210,-1,104);
- fHistTrackMultiplicityPVSemiCent->GetXaxis()->SetTitle("Number of tracks");
- fHistTrackMultiplicityPVSemiCent->GetYaxis()->SetTitle("Percentile");
- fListHist->Add(fHistTrackMultiplicityPVSemiCent);
- }
-
- if(! fHistTrackMultiplicityPVMB ){
- fHistTrackMultiplicityPVMB = new TH2F( "fHistTrackMultiplicityPVMB" , "Nb of Tracks MBral Events", 2500,0, 25000,210,-1,104 );
- fHistTrackMultiplicityPVMB->GetXaxis()->SetTitle("Number of tracks");
- fHistTrackMultiplicityPVMB->GetYaxis()->SetTitle("Percentile");
- fListHist->Add(fHistTrackMultiplicityPVMB);
- }
-
- if(! fhBB ){
- fhBB = new TH2F( "fhBB" , "BetheBlochTPC" , 120,-6,6,150,0,1500);
- fhBB->GetXaxis()->SetTitle("p/z (GeV/#it{c})");
- fhBB->GetYaxis()->SetTitle("TPC Signal");
- fListHist->Add(fhBB);
- }
-
- if(! fhTOF ){
- fhTOF = new TH2F( "fhTOF" , "Scatter Plot TOF" , 120,-6,6,100,0,1.2);
- fhTOF->GetXaxis()->SetTitle("p/z (GeV/#it{c})");
- fhTOF->GetYaxis()->SetTitle("#beta");
- fListHist->Add(fhTOF);
- }
-
- if(! fhMassTOF){
- fhMassTOF=new TH1F ("fhMassTOF","Particle Mass - TOF", 300,0 ,5);
- fhMassTOF->GetXaxis()->SetTitle("Mass (GeV/#it{c}^{2})");
- fListHist->Add(fhMassTOF);
- }
-
- if(! fhBBPions ){
- fhBBPions = new TH2F( "fhBBPions" , "Bethe-Bloch TPC Pions" , 120,-6,6,150,0,1500);
- fhBBPions->GetXaxis()->SetTitle("p/z (GeV/#it{c})");
- fhBBPions->GetYaxis()->SetTitle("TPC Signal");
- fListHist->Add(fhBBPions);
- }
-
- if(! fhBBHe ){
- fhBBHe = new TH2F( "fhBBHe" , "Bethe-Bloch TPC He" , 120,-6,6,150,0,1500);
- fhBBHe->GetXaxis()->SetTitle("p/z (GeV/#it{c})");
- fhBBHe->GetYaxis()->SetTitle("TPC Signal");
- fListHist->Add(fhBBHe);
- }
-
- if(! fhNaPos ){
- fhNaPos = new TH2F( "fhNaPos" , "Distribution Pos" , 500,0,5,40,-10,10);
- fhNaPos->GetXaxis()->SetTitle("p/z (GeV/#it{c})");
- fhNaPos->GetYaxis()->SetTitle("(TPCSignal-bbtheo)/bbtheo (He)");
- fListHist->Add(fhNaPos);
- }
-
- if(! fhNaNeg ){
- fhNaNeg = new TH2F( "fhNaNeg" , "Distribution Neg" , 500,0,5,40,-10,10);
- fhNaNeg->GetXaxis()->SetTitle("p/z (GeV/#it{c})");
- fhNaNeg->GetYaxis()->SetTitle("(TPCSignal-bbtheo)/bbtheo (He)");
- fListHist->Add(fhNaNeg);
- }
-
- if(! fBetavsTPCsignalPos ){
- fBetavsTPCsignalPos = new TH2F("fBetavsTPCsignalPos","fBetavsTPCsignalPos",100,0,1.2,150,0,1500);
- fBetavsTPCsignalPos->GetXaxis()->SetTitle("#beta");
- fBetavsTPCsignalPos->GetYaxis()->SetTitle("TPC Signal");
- fListHist->Add(fBetavsTPCsignalPos);
- }
-
- if(! fBetavsTPCsignalNeg ){
- fBetavsTPCsignalNeg = new TH2F("fBetavsTPCsignalNeg","fBetavsTPCsignalNeg",100,0,1.2,150,0,1500);
- fBetavsTPCsignalNeg->GetXaxis()->SetTitle("#beta");
- fBetavsTPCsignalNeg->GetYaxis()->SetTitle("TPC Signal");
- fListHist->Add(fBetavsTPCsignalNeg);
- }
-
-
-
- if(! fNtuple1 ) {
-
- fNtuple1 = new TTree("fNtuple1","fNtuple1");
-
- fNtuple1->Branch("trunNumber" ,&trunNumber ,"trunNumber/F");
- fNtuple1->Branch("tbunchcross" ,&tbunchcross ,"tbunchcross/F");
- fNtuple1->Branch("torbit" ,&torbit ,"torbit/F");
- fNtuple1->Branch("tperiod" ,&tperiod ,"tperiod/F");
- fNtuple1->Branch("teventtype" ,&teventtype ,"teventtype/F");
- fNtuple1->Branch("tTrackNumber" ,&tTrackNumber ,"tTrackNumber/F");
- fNtuple1->Branch("tpercentile" ,&tpercentile ,"tpercentile/F") ;
- fNtuple1->Branch("txPrimaryVertex" ,&txPrimaryVertex ,"txPrimaryVertex/F");
- fNtuple1->Branch("tyPrimaryVertex" ,&tyPrimaryVertex ,"tyPrimaryVertex/F");
- fNtuple1->Branch("tzPrimaryVertex" ,&tzPrimaryVertex ,"tzPrimaryVertex/F");
- fNtuple1->Branch("txSecondaryVertex" ,&txSecondaryVertex ,"txSecondaryVertex/F");
- fNtuple1->Branch("tySecondaryVertex" ,&tySecondaryVertex ,"tySecondaryVertex/F");
- fNtuple1->Branch("tzSecondaryVertex" ,&tzSecondaryVertex ,"tzSecondaryVertex/F");
- fNtuple1->Branch("tdcaTracks" ,&tdcaTracks ,"tdcaTracks/F");
- fNtuple1->Branch("tCosPointingAngle" ,&tCosPointingAngle ,"tCosPointingAngle/F");
- fNtuple1->Branch("tDCAV0toPrimaryVertex",&tDCAV0toPrimaryVertex,"tDCAV0toPrimaryVertex/F");
- fNtuple1->Branch("tHeSign" ,&tHeSign ,"tHeSign/F");
- fNtuple1->Branch("tHepInTPC" ,&tHepInTPC ,"tHepInTPC/F");
- fNtuple1->Branch("tHeTPCsignal" ,&tHeTPCsignal ,"tHeTPCsignal/F");
- fNtuple1->Branch("tDcaHeToPrimVertex" ,&tDcaHeToPrimVertex ,"tDcaHeToPrimVertex/F");
- fNtuple1->Branch("tHeEta" ,&tHeEta ,"tHeEta/F");
- fNtuple1->Branch("tmomHex" ,&tmomHex ,"tmomHex/F");
- fNtuple1->Branch("tmomHey" ,&tmomHey ,"tmomHey/F");
- fNtuple1->Branch("tmomHez" ,&tmomHez ,"tmomHez/F");
- fNtuple1->Branch("tmomHeAtSVx" ,&tmomHeAtSVx ,"tmomHeAtSVx/F");
- fNtuple1->Branch("tmomHeAtSVy" ,&tmomHeAtSVy ,"tmomHeAtSVy/F");
- fNtuple1->Branch("tmomHeAtSVz" ,&tmomHeAtSVz ,"tmomHeAtSVz/F");
- fNtuple1->Branch("tHeTPCNcls" ,&tHeTPCNcls ,"tHeTPCNcls/F");
- fNtuple1->Branch("tHeimpactXY" ,&tHeimpactXY ,"tHeimpactXY/F");
- fNtuple1->Branch("tHeimpactZ" ,&tHeimpactZ ,"tHeimpactZ/F");
- fNtuple1->Branch("tHeITSClusterMap" ,&tHeITSClusterMap ,"tHeITSClusterMap/F");
- fNtuple1->Branch("tIsHeITSRefit" ,&tIsHeITSRefit ,"tIsHeITSRefit/F");
- fNtuple1->Branch("tPionSign" ,&tPionSign ,"tPionSign/F");
- fNtuple1->Branch("tPionpInTPC" ,&tPionpInTPC ,"tPionpInTPC/F");
- fNtuple1->Branch("tPionTPCsignal" ,&tPionTPCsignal ,"tPionTPCsignal/F");
- fNtuple1->Branch("tDcaPionToPrimVertex" ,&tDcaPionToPrimVertex ,"tDcaPionToPrimVertex/F");
- fNtuple1->Branch("tPionEta" ,&tPionEta ,"tPionEta/F");
- fNtuple1->Branch("tmomPionx" ,&tmomPionx ,"tmomPionx/F");
- fNtuple1->Branch("tmomPiony" ,&tmomPiony ,"tmomPiony/F");
- fNtuple1->Branch("tmomPionz" ,&tmomPionz ,"tmomPionz/F");
- fNtuple1->Branch("tmomNegPionAtSVx" ,&tmomNegPionAtSVx ,"tmomNegPionAtSVx/F");
- fNtuple1->Branch("tmomNegPionAtSVy" ,&tmomNegPionAtSVy ,"tmomNegPionAtSVy/F");
- fNtuple1->Branch("tmomNegPionAtSVz" ,&tmomNegPionAtSVz ,"tmomNegPionAtSVz/F");
- fNtuple1->Branch("tPionTPCNcls" ,&tPionTPCNcls ,"tPionTPCNcls/F");
- fNtuple1->Branch("tPionimpactXY" ,&tPionimpactXY ,"tPionimpactXY/F");
- fNtuple1->Branch("tPionimpactZ" ,&tPionimpactZ ,"tPionimpactZ/F");
- fNtuple1->Branch("tPionITSClusterMap" ,&tPionITSClusterMap ,"tPionITSClusterMap/F");
- fNtuple1->Branch("tIsPiITSRefit" ,&tIsPiITSRefit ,"tIsPiITSRefit/F");
- fNtuple1->Branch("txn" ,&txn ,"txn/F");
- fNtuple1->Branch("txp" ,&txp ,"txp/F");
- fNtuple1->Branch("tchi2He" ,&tchi2He ,"tchi2He/F");
- fNtuple1->Branch("tchi2Pi" ,&tchi2Pi ,"tchi2Pi/F");
-
- }
-
- if(! fNtuple4 ) {
-
- fNtuple4 = new TTree("fNtuple4","fNtuple4");
-
- fNtuple4->Branch("tHelrunNumber" ,&tHelrunNumber ,"tHelrunNumber/F");
- fNtuple4->Branch("tHelBCNumber" ,&tHelBCNumber ,"tHelBCNumber/F");
- fNtuple4->Branch("tHelOrbitNumber" ,&tHelOrbitNumber ,"tHelOrbitNumber/F");
- fNtuple4->Branch("tHelPeriodNumber" ,&tHelPeriodNumber ,"tHelPeriodNumber/F");
- fNtuple4->Branch("tHeleventtype" ,&tHeleventtype ,"tHeleventtype/F");
- fNtuple4->Branch("tHelisHeITSrefit" ,&tHelisHeITSrefit ,"tHelisHeITSrefit/F");
- fNtuple4->Branch("tHelpercentile" ,&tHelpercentile ,"tHelpercentile/F");
- fNtuple4->Branch("tHelSign" ,&tHelSign ,"tHelSign/F");
- fNtuple4->Branch("tHelpinTPC" ,&tHelpinTPC ,"tHelpinTPC/F");
- fNtuple4->Branch("tHelGetTPCsignal" ,&tHelGetTPCsignal ,"tHelGetTPCsignal/F");
- fNtuple4->Branch("tHelPx" ,&tHelPx ,"tHelPx/F");
- fNtuple4->Branch("tHelPy" ,&tHelPy ,"tHelPy/F");
- fNtuple4->Branch("tHelPz" ,&tHelPz ,"tHelPz/F");
- fNtuple4->Branch("tHelEta" ,&tHelEta ,"tHelEta/F");
- fNtuple4->Branch("tHelisTOF" ,&tHelisTOF ,"tHelisTOF/F");
- fNtuple4->Branch("tHelpoutTPC" ,&tHelpoutTPC ,"tHelpoutTPC/F");
- fNtuple4->Branch("tHeltimeTOF" ,&tHeltimeTOF ,"tHeltimeTOF/F");
- fNtuple4->Branch("tHeltrackLenghtTOF" ,&tHeltrackLenghtTOF ,"tHeltrackLenghtTOF/F");
- fNtuple4->Branch("tHelimpactXY" ,&tHelimpactXY ,"tHelimpactXY/F");
- fNtuple4->Branch("tHelimpactZ" ,&tHelimpactZ ,"tHelimpactZ/F");
- fNtuple4->Branch("tHelmapITS" ,&tHelmapITS ,"tHelmapITS/F");
- fNtuple4->Branch("tHelTPCNcls" ,&tHelTPCNcls ,"tHelTPCNcls/F");
- fNtuple4->Branch("tHelTRDsignal" ,&tHelTRDsignal ,"tHelTRDsignal/F");
- fNtuple4->Branch("tHelxPrimaryVertex" ,&tHelxPrimaryVertex ,"tHelxPrimaryVertex/F");
- fNtuple4->Branch("tHelyPrimaryVertex" ,&tHelyPrimaryVertex ,"tHelyPrimaryVertex/F");
- fNtuple4->Branch("tHelzPrimaryVertex" ,&tHelzPrimaryVertex ,"tHelzPrimaryVertex/F");
- fNtuple4->Branch("tHelchi2PerClusterTPC",&tHelchi2PerClusterTPC,"tHelchi2PerClusterTPC/F");
-
-
- }
-
- PostData(1, fListHist);
- PostData(2, fNtuple1);
- PostData(3, fNtuple4);
-}// end UserCreateOutputObjects
-
-
-//====================== USER EXEC ========================
-
-void AliAnalysisTaskHelium3Pi::UserExec(Option_t *)
-{
- //_______________________________________________________________________
-
- //!*********************!//
- //! Define variables !//
- //!*********************!//
-
- Double_t pinTPC=0.,poutTPC=0.,TPCSignal=0.;
- Double_t xPrimaryVertex=0.,yPrimaryVertex=0.,zPrimaryVertex=0.;
- Double_t massTOF=0.,timeTOF=0.,trackLenghtTOF=0.,betaTOF=0.;
-
- ULong_t status=0;
- // ULong_t statusT=0;
- ULong_t statusPi=0;
-
- Bool_t isTPC=kFALSE,isTOF=kFALSE,IsHeITSRefit=kFALSE,IsPiITSRefit=kFALSE ;
-
- Float_t nSigmaNegPion=0.;
-
- Double_t cutNSigma = 3;
- Double_t bbtheoM=0.,bbtheo=0.;
- Double_t zNathashaNeg=0;
- Double_t zNathashaPos=0;
- Double_t fPos[3]={0.,0.,0.};
- Double_t runNumber=0.;
- // Double_t evNumber=0.;
-
- Double_t BCNumber=0.;
- Double_t OrbitNumber=0.;
- Double_t PeriodNumber=0.;
-
- Double_t Helium3Mass = 2.80839;
- Double_t PionMass = 0.13957;
- // TLORENTZ vectors
-
- TLorentzVector vPion,vHelium,vSum;
-
- //!----------------------------------------------------------------
-
- //! A set of very loose parameters for cuts
-
- Double_t fgChi2max=33.; //! max chi2
- Double_t fgDNmin=0.05; //! min imp parameter for the 1st daughter = 500um
- Double_t fgDCAmax=1.0; //! max DCA between the daughter tracks in cm
- Double_t fgCPAmin=0.99; //! min cosine of V0's pointing angle
- // Double_t fgRmin=0.2; //! min radius of the fiducial volume //original
- Double_t fgRmin=0.1; //! min radius of the fiducial volume = 1 mm
- Double_t fgRmax=200.; //! max radius of the fiducial volume = 2 m
-
- //------------------------------------------
-
- // Main loop
- // Called for EACH event
-
- AliVEvent *event = InputEvent();
- if (!event) { Printf("ERROR: Could not retrieve event"); return; }
-
- Info("AliAnalysisTaskHelium3Pi","Starting UserExec");
-
- SetDataType("REAL");
-
- // create pointer to event
- AliESDEvent* lESDevent = dynamic_cast<AliESDEvent*>(event);
- if (!lESDevent) {
- AliError("Cannot get the ESD event");
- return;
- }
-
- fHistEventMultiplicity->Fill(0);
-
- Double_t lMagneticField=lESDevent->GetMagneticField();
- Int_t TrackNumber = -1;
-
-
- //*****************//
- //* Centrality *//
- //*****************//
-
- AliCentrality *centrality = lESDevent->GetCentrality();
- Float_t percentile=centrality->GetCentralityPercentile("V0M");
-
- TrackNumber = lESDevent->GetNumberOfTracks();
- if (TrackNumber<2) return;
-
- //****************************************
-
- // PID
-
- AliAnalysisManager *man=AliAnalysisManager::GetAnalysisManager();
- AliInputEventHandler* inputHandler = (AliInputEventHandler*) (man->GetInputEventHandler());
- fPIDResponse=inputHandler->GetPIDResponse(); // data member di tipo "const AliPIDResponse *fPIDResponse;"
- // cout<<"fPIDResponse "<<fPIDResponse<<endl;
- //===========================================
-
- Int_t eventtype=-99;
-
- Bool_t isSelectedCentral = (inputHandler->IsEventSelected() & AliVEvent::kCentral);
- Bool_t isSelectedSemiCentral = (inputHandler->IsEventSelected() & AliVEvent::kSemiCentral);
- Bool_t isSelectedMB = (inputHandler->IsEventSelected() & AliVEvent::kMB);
- Bool_t isSelectedAny = (inputHandler->IsEventSelected() & AliVEvent::kAny);
-
- if(isSelectedCentral){
- fHistEventMultiplicity->Fill(3);
- fHistTrackMultiplicityCent->Fill(TrackNumber,percentile);
- eventtype=1;
- }
-
- if(isSelectedSemiCentral){
- fHistEventMultiplicity->Fill(4);
- fHistTrackMultiplicitySemiCent->Fill(TrackNumber,percentile);
- eventtype=2;
- }
-
- if(isSelectedMB){
- fHistEventMultiplicity->Fill(5);
- fHistTrackMultiplicityMB->Fill(TrackNumber,percentile);
- eventtype=3;
- }
-
- if(!isSelectedCentral && !isSelectedSemiCentral && !isSelectedMB && isSelectedAny){
- fHistEventMultiplicity->Fill(9);
- fHistTrackMultiplicity->Fill(TrackNumber,percentile); //tracce per evento
- eventtype=4;
- }
-
- //if(isSelectedCentral || isSelectedSemiCentral || isSelectedMB || isSelectedAny){
- if(eventtype ==1 || eventtype ==2 || eventtype==3 || eventtype==4){
-
- // ANALISYS
-
- // Primary vertex cut
-
- const AliESDVertex *vtx = lESDevent->GetPrimaryVertexTracks();
-
- if(vtx->GetNContributors()<1) {
-
- // SPD vertex cut
- vtx = lESDevent->GetPrimaryVertexSPD();
-
- if(vtx->GetNContributors()<1) {
- Info("AliAnalysisTaskHelium3Pi","No good vertex, skip event");
- return; // NO GOOD VERTEX, SKIP EVENT
- }
- }
-
- fHistEventMultiplicity->Fill(1); // analyzed events with PV
-
- xPrimaryVertex=vtx->GetX();
- yPrimaryVertex=vtx->GetY();
- zPrimaryVertex=vtx->GetZ();
-
- if(TMath::Abs(zPrimaryVertex)>10) return;
-
- if(eventtype==1){
- fHistTrackMultiplicityPVCent->Fill(TrackNumber,percentile);
- fHistEventMultiplicity->Fill(6);
- }
-
- if(eventtype==2){
- fHistTrackMultiplicityPVSemiCent->Fill(TrackNumber,percentile);
- fHistEventMultiplicity->Fill(7);
- }
-
- if(eventtype==3){
- fHistTrackMultiplicityPVMB->Fill(TrackNumber,percentile);
- fHistEventMultiplicity->Fill(8);
- }
-
- if(eventtype==4){
- fHistEventMultiplicity->Fill(10);
- }
-
-
- fHistEventMultiplicity->Fill(2);
-
- //Find Pair candidates
-
- TArrayI PionsTPC(TrackNumber); //Neg pions
- Int_t nPionsTPC=0;
-
- TArrayI HeTPC(TrackNumber); //helium3
- Int_t nHeTPC=0;
-
- const Double_t speedOfLight = TMath::C()*1E2*1E-12; // cm/ps
-
- Float_t impactXY=-999, impactZ=-999;
- Float_t impactXYpi=-999, impactZpi=-999;
-
-
- //*************************************************************
-
- runNumber = lESDevent->GetRunNumber();
- BCNumber = lESDevent->GetBunchCrossNumber();
- OrbitNumber = lESDevent->GetOrbitNumber();
- PeriodNumber= lESDevent->GetPeriodNumber();
-
- //*************************************************************
-
- for (Int_t j=0; j<TrackNumber; j++) { //loop on tracks
-
- AliESDtrack *esdtrack=lESDevent->GetTrack(j);
- // AliVTrack* esdtrack= (AliVTrack *) fEvent->GetTrack(iT);
-
-
- if(!esdtrack) {
- AliError(Form("ERROR: Could not retrieve esdtrack %d",j));
- continue;
- }
-
- // ************** Track cuts ****************
-
- if (!fESDtrackCuts->AcceptTrack(esdtrack)) continue;
-
-
- status = (ULong_t)esdtrack->GetStatus();
- isTPC = (((status) & AliESDtrack::kTPCin) != 0);
- isTOF = ((((status) & AliESDtrack::kTOFout) != 0) && (((status) & AliESDtrack::kTIME) != 0));
-
- UInt_t mapITS=esdtrack->GetITSClusterMap();
-
- //----------------------------------------------
-
- //****** Cuts from AliV0Vertex.cxx *************
-
- Double_t d=esdtrack->GetD(xPrimaryVertex,yPrimaryVertex,lMagneticField);
- // if (TMath::Abs(d)<fgDPmin) continue;
- if (TMath::Abs(d)>fgRmax) continue;
-
- //---- (Usefull) Stuff
-
- TPCSignal=esdtrack->GetTPCsignal();
-
- if (TPCSignal<10)continue;
- if (TPCSignal>1000)continue;
-
- if(!isTPC)continue;
- if(!esdtrack->GetTPCInnerParam())continue;
-
- AliExternalTrackParam trackIn(*esdtrack->GetInnerParam());
- pinTPC= trackIn.GetP();
-
- //pinTPC= esdtrack->GetTPCMomentum();
-
- poutTPC=pinTPC;
-
-
- if((status) & (AliESDtrack::kITSrefit!=0)){
- fhBB->Fill(pinTPC*esdtrack->GetSign(),TPCSignal);
- }
-
- timeTOF=esdtrack->GetTOFsignal(); // ps
- trackLenghtTOF= esdtrack->GetIntegratedLength(); // cm
-
- if(isTOF){
-
- if(!esdtrack->GetOuterParam())continue;
-
- AliExternalTrackParam trackOut(*esdtrack->GetOuterParam());
-
- poutTPC = trackOut.GetP();
-
- betaTOF= (trackLenghtTOF/timeTOF)/2.99792458e-2;
-
- fhTOF->Fill(poutTPC*esdtrack->GetSign(),betaTOF);
-
- Double_t mass2=(poutTPC*poutTPC)*((((speedOfLight*speedOfLight)*(timeTOF*timeTOF))-(trackLenghtTOF*trackLenghtTOF))/(trackLenghtTOF*trackLenghtTOF));
- if(mass2>0) massTOF=TMath::Sqrt(mass2);
- fhMassTOF->Fill(massTOF);
-
- if(esdtrack->GetSign() < 0.)fBetavsTPCsignalNeg->Fill(betaTOF,TPCSignal);
- if(esdtrack->GetSign() > 0.)fBetavsTPCsignalPos->Fill(betaTOF,TPCSignal);
-
- }
-
- //pass2
-
- // bbtheo =BetheBloch((2*pinTPC)/3.,2,kTRUE); //! OK
- // bbtheoM=(1 - 0.08*5)*bbtheo; //! OK
- // bbtheoP=(1 + 0.08*5)*bbtheo; //! OK
-
-
- bbtheo = fPIDResponse->NumberOfSigmas((AliPIDResponse::EDetector)0,esdtrack,(AliPID::EParticleType) 7);
-
- if(esdtrack->GetSign()<0){
- zNathashaNeg=bbtheo;//(TPCSignal-bbtheo)/bbtheo;
- // cout<<"BBtheo 1 :"<<zNathashaNeg<<endl;
- fhNaNeg->Fill(pinTPC,zNathashaNeg);
- }
-
- if(esdtrack->GetSign() > 0.){
- zNathashaPos=bbtheo;//(TPCSignal-bbtheo)/bbtheo;
- fhNaPos->Fill(pinTPC,zNathashaPos);
- }
-
- nSigmaNegPion=TMath::Abs(fPIDResponse->NumberOfSigmasTPC(esdtrack,(AliPID::EParticleType) 2));
- //2 is pion
-
- if ( (nSigmaNegPion < cutNSigma)){
-
- // cout<<"Nsigma pi: "<<nSigmaNegPion<<endl;
-
- fhBBPions->Fill(pinTPC*esdtrack->GetSign(),TPCSignal);
-
- if(pinTPC<3.){
- PionsTPC[nPionsTPC++]=j;
- }
- }
-
- // nSigmaNegPion=(fPIDResponse->NumberOfSigmasTPC(esdtrack,(AliPID::EParticleType) 2));
-
- bbtheoM = TMath::Abs((fPIDResponse->NumberOfSigmasTPC(esdtrack,(AliPID::EParticleType) 7)));
-
- // if( TPCSignal > bbtheoM ) {
- // if( bbtheoM > -3.) {
- if( bbtheoM < 3.) {
-
- if(pinTPC>0.6){
-
- fhBBHe->Fill(pinTPC*esdtrack->GetSign(),TPCSignal);
- HeTPC[nHeTPC++]=j;
-
- Bool_t isHeITSrefit=((status) & (AliESDtrack::kITSrefit));
-
- esdtrack->GetImpactParameters(impactXY, impactZ);
-
- Int_t fIdxInt[200]; //dummy array
- Int_t nClustersTPC = esdtrack->GetTPCclusters(fIdxInt);
-
- Float_t chi2PerClusterTPC = esdtrack->GetTPCchi2()/(Float_t)(nClustersTPC);
-
- tHelrunNumber =(Float_t)runNumber;
- tHelBCNumber =(Float_t)BCNumber;
- tHelOrbitNumber =(Float_t)OrbitNumber;
- tHelPeriodNumber =(Float_t)PeriodNumber;
- tHeleventtype =(Float_t)eventtype;
- tHelisHeITSrefit =(Float_t)isHeITSrefit;
- tHelpercentile =(Float_t)percentile;
- tHelSign =(Float_t)esdtrack->GetSign();
- tHelpinTPC =(Float_t)pinTPC;
- tHelGetTPCsignal =(Float_t)esdtrack->GetTPCsignal();
- tHelPx =(Float_t)esdtrack->Px();
- tHelPy =(Float_t)esdtrack->Py();
- tHelPz =(Float_t)esdtrack->Pz();
- tHelEta =(Float_t)esdtrack->Eta();
- tHelisTOF =(Float_t)isTOF;
- tHelpoutTPC =(Float_t)poutTPC;
- tHeltimeTOF =(Float_t)timeTOF;
- tHeltrackLenghtTOF =(Float_t)trackLenghtTOF;
- tHelimpactXY =(Float_t)impactXY;
- tHelimpactZ =(Float_t)impactZ;
- tHelmapITS =(Float_t)mapITS;
- tHelTPCNcls =(Float_t)esdtrack->GetTPCNcls();
- tHelTRDsignal =(Float_t)esdtrack->GetTRDsignal();
- tHelxPrimaryVertex =(Float_t)xPrimaryVertex;
- tHelyPrimaryVertex =(Float_t)yPrimaryVertex;
- tHelzPrimaryVertex =(Float_t)zPrimaryVertex;
- tHelchi2PerClusterTPC =(Float_t)chi2PerClusterTPC;
-
- // fNtuple4->Fill();
- }
- }
- } //! track
-
- PionsTPC.Set(nPionsTPC);
- HeTPC.Set(nHeTPC);
-
- Double_t DcaHeToPrimVertex=0;
- Double_t DcaPionToPrimVertex=0;
-
- impactXY=-999, impactZ=-999;
- impactXYpi=-999, impactZpi=-999;
-
- // Track
-
- // Vettors for il PxPyPz
-
- Double_t momPionVett[3];
- for(Int_t i=0;i<3;i++)momPionVett[i]=0;
-
- Double_t momHeVett[3];
- for(Int_t i=0;i<3;i++)momHeVett[i]=0;
-
- //At SV
-
- Double_t momPionVettAt[3];
- for(Int_t i=0;i<3;i++)momPionVettAt[i]=0;
-
- Double_t momHeVettAt[3];
- for(Int_t i=0;i<3;i++)momHeVettAt[i]=0;
-
- //--------------- LOOP PAIRS ----------------
-
- for (Int_t k=0; k < nPionsTPC; k++) { //! Pions Loop
-
- DcaPionToPrimVertex=0.;
- DcaHeToPrimVertex=0;
-
- Int_t PionIdx=PionsTPC[k];
-
- AliESDtrack *PionTrack=lESDevent->GetTrack(PionIdx);
-
- statusPi = (ULong_t)PionTrack->GetStatus();
- // isTOFPi = ((((statusPi) & (AliESDtrack::kTOFout)) != 0) && (((statusPi) & (AliESDtrack::kTIME)) != 0));
- IsPiITSRefit = ((statusPi) & (AliESDtrack::kITSrefit));
-
- if (PionTrack)
- DcaPionToPrimVertex = TMath::Abs(PionTrack->GetD(xPrimaryVertex, yPrimaryVertex,lMagneticField)); //OK
-
- if(DcaPionToPrimVertex<0.2)continue;
-
- AliExternalTrackParam trackInPion(*PionTrack);
-
- for (Int_t i=0; i<nHeTPC; i++){ //! Helium Loop
-
- Int_t HeIdx=HeTPC[i];
-
- AliESDtrack *HeTrack=lESDevent->GetTrack(HeIdx);
-
- // statusT= (ULong_t)HeTrack->GetStatus();
- // isTOFHe = (((statusT & AliESDtrack::kTOFout) != 0) && ((statusT & AliESDtrack::kTIME) != 0));
- IsHeITSRefit = (status & AliESDtrack::kITSrefit);
-
- if (HeTrack)
- DcaHeToPrimVertex = TMath::Abs(HeTrack->GetD(xPrimaryVertex, yPrimaryVertex,lMagneticField)); //OK
-
- AliExternalTrackParam trackInHe(*HeTrack);
-
- if ( DcaPionToPrimVertex < fgDNmin) //OK
- if ( DcaHeToPrimVertex < fgDNmin) continue; //OK
-
- Double_t xn, xp;
- Double_t dca=0.;
-
- dca= PionTrack->GetDCA(HeTrack,lMagneticField,xn,xp); //!dca (Neg to Pos)
-
- if (dca > fgDCAmax) continue;
- if ((xn+xp) > 2*fgRmax) continue;
- if ((xn+xp) < 2*fgRmin) continue;
-
- //CORRECTION from AliV0Vertex
-
- Bool_t corrected=kFALSE;
- if ((trackInPion.GetX() > 3.) && (xn < 3.)) {
- //correct for the beam pipe material
- corrected=kTRUE;
- }
- if ((trackInHe.GetX() > 3.) && (xp < 3.)) {
- //correct for the beam pipe material
- corrected=kTRUE;
- }
- if (corrected) {
- dca=trackInPion.GetDCA(&trackInHe,lMagneticField,xn,xp);
- if (dca > fgDCAmax) continue;
- if ((xn+xp) > 2*fgRmax) continue;
- if ((xn+xp) < 2*fgRmin) continue;
- }
-
- //=============================================//
- // Make "V0" with found tracks //
- //=============================================//
-
- trackInPion.PropagateTo(xn,lMagneticField);
- trackInHe.PropagateTo(xp,lMagneticField);
-
- AliESDv0 vertex(trackInPion,PionIdx,trackInHe,HeIdx);
- if (vertex.GetChi2V0() > fgChi2max) continue;
-
- Float_t CosPointingAngle=vertex.GetV0CosineOfPointingAngle(xPrimaryVertex,yPrimaryVertex,zPrimaryVertex); //PointingAngle
- if (CosPointingAngle < fgCPAmin) continue;
-
- vertex.SetDcaV0Daughters(dca);
- vertex.SetV0CosineOfPointingAngle(CosPointingAngle);
-
- fPos[0]=vertex.Xv();
- fPos[1]=vertex.Yv();
- fPos[2]=vertex.Zv();
-
- HeTrack->PxPyPz(momHeVett);
- PionTrack->PxPyPz(momPionVett);
-
- Double_t raggio=TMath::Sqrt(fPos[0]*fPos[0]+fPos[1]*fPos[1]+fPos[2]*fPos[2]);
- HeTrack->GetPxPyPzAt(raggio,lMagneticField,momHeVettAt);
- PionTrack->GetPxPyPzAt(raggio,lMagneticField,momPionVettAt);
-
- //------------------------------------------------------------------------//
-
- HeTrack->GetImpactParameters(impactXY, impactZ);
-
- PionTrack->GetImpactParameters(impactXYpi, impactZpi);
-
- if(vertex.GetD(xPrimaryVertex,yPrimaryVertex,zPrimaryVertex)>3) continue;
-
- //salvo solo fino a 3.1 GeV/c2
-
- vHelium.SetXYZM(2*momHeVettAt[0],2*momHeVettAt[1],2*momHeVettAt[2],Helium3Mass);
- vPion.SetXYZM(momPionVettAt[0],momPionVettAt[1],momPionVettAt[2],PionMass);
- vSum=vHelium+vPion;
-
- if(vSum.M()>3.2)
- continue;
-
- Int_t fIdxInt[200]; //dummy array
- Int_t nClustersTPCHe = HeTrack->GetTPCclusters(fIdxInt);
- Int_t nClustersTPCPi = PionTrack->GetTPCclusters(fIdxInt);
-
- //----------------------------------------------------------------------//
-
- trunNumber =(Float_t)runNumber;
- tbunchcross =(Float_t)BCNumber;
- torbit =(Float_t)OrbitNumber;
- tperiod =(Float_t)PeriodNumber;
- teventtype =(Float_t)eventtype;
- tTrackNumber =(Float_t)TrackNumber;
- tpercentile =(Float_t)percentile;
- txPrimaryVertex =(Float_t)xPrimaryVertex; //PRIMARY
- tyPrimaryVertex =(Float_t)yPrimaryVertex;
- tzPrimaryVertex =(Float_t)zPrimaryVertex;
- txSecondaryVertex =(Float_t)fPos[0]; //SECONDARY
- tySecondaryVertex =(Float_t)fPos[1];
- tzSecondaryVertex =(Float_t)fPos[2];
- tdcaTracks =(Float_t)dca; //between 2 tracks
- tCosPointingAngle =(Float_t)CosPointingAngle; //cosPointingAngle da V0
- tDCAV0toPrimaryVertex =(Float_t)vertex.GetD(xPrimaryVertex,yPrimaryVertex,zPrimaryVertex);
- tHeSign =(Float_t)HeTrack->GetSign(); //He
- tHepInTPC =(Float_t)trackInHe.GetP();
- tHeTPCsignal =(Float_t)HeTrack->GetTPCsignal();
- tDcaHeToPrimVertex =(Float_t)DcaHeToPrimVertex;
- tHeEta =(Float_t)HeTrack->Eta();
- tmomHex =(Float_t)momHeVett[0];
- tmomHey =(Float_t)momHeVett[1];
- tmomHez =(Float_t)momHeVett[2];
- tmomHeAtSVx =(Float_t)momHeVettAt[0];
- tmomHeAtSVy =(Float_t)momHeVettAt[1];
- tmomHeAtSVz =(Float_t)momHeVettAt[2];
- tHeTPCNcls =(Float_t)HeTrack->GetTPCNcls();
- tHeimpactXY =(Float_t)impactXY;
- tHeimpactZ =(Float_t)impactZ;
- tHeITSClusterMap =(Float_t)HeTrack->GetITSClusterMap();
- tIsHeITSRefit =(Float_t)IsHeITSRefit;
- tPionSign =(Float_t)PionTrack->GetSign(); //Pion
- tPionpInTPC =(Float_t)trackInPion.GetP();
- tPionTPCsignal =(Float_t)PionTrack->GetTPCsignal();
- tDcaPionToPrimVertex =(Float_t)DcaPionToPrimVertex;
- tPionEta =(Float_t)PionTrack->Eta();
- tmomPionx =(Float_t)momPionVett[0];
- tmomPiony =(Float_t)momPionVett[1];
- tmomPionz =(Float_t)momPionVett[2];
- tmomNegPionAtSVx =(Float_t)momPionVettAt[0];
- tmomNegPionAtSVy =(Float_t)momPionVettAt[1];
- tmomNegPionAtSVz =(Float_t)momPionVettAt[2];
- tPionTPCNcls =(Float_t)PionTrack->GetTPCNcls();
- tPionimpactXY =(Float_t)impactXYpi;
- tPionimpactZ =(Float_t)impactZpi;
- tPionITSClusterMap =(Float_t)PionTrack->GetITSClusterMap();
- tIsPiITSRefit =(Float_t)IsPiITSRefit;
- txn =(Float_t)xn;
- txp =(Float_t)xp;
- tchi2He =(Float_t)HeTrack->GetTPCchi2()/(Float_t)(nClustersTPCHe);
- tchi2Pi =(Float_t)PionTrack->GetTPCchi2()/(Float_t)(nClustersTPCPi);
-
-
- fNtuple1->Fill();
- vertex.Delete();
- }// positive TPC
-
- } //negative tpc
-
- }
-
- PostData(1,fListHist);
- PostData(2,fNtuple1);
- PostData(3,fNtuple4);
-
-} //end userexec
-
-
-//________________________________________________________________________
-
-void AliAnalysisTaskHelium3Pi::Terminate(Option_t *)
-{
- // Draw result to the screen
- // Called once at the end of the query
-}
-
-
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff