+++ /dev/null
-/**************************************************************************
- * Copyright(c) 1998-1999, 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, proviyaded 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 purapose. It is *
- * provided "as is" without express or implied warranty. *
- **************************************************************************/
-
-///////////////////////////////////////////////////////////////////////////
-// //
-// //
-// Analysis for identified charged hadron spectra. //
-// //
-// //
-///////////////////////////////////////////////////////////////////////////
-
-#include "Riostream.h"
-#include "TChain.h"
-#include "TTree.h"
-#include "TH1F.h"
-#include "TH2D.h"
-#include "TH3F.h"
-#include "TList.h"
-#include "TMath.h"
-#include "TCanvas.h"
-#include "TObjArray.h"
-#include "TF1.h"
-#include "TFile.h"
-
-#include "AliAnalysisTaskSE.h"
-#include "AliAnalysisManager.h"
-
-#include "AliHeader.h"
-#include "AliGenPythiaEventHeader.h"
-#include "AliGenCocktailEventHeader.h"
-
-#include "AliPID.h"
-#include "AliESDtrackCuts.h"
-#include "AliESDVertex.h"
-#include "AliESDEvent.h"
-#include "AliESDInputHandler.h"
-#include "AliESDtrack.h"
-#include "AliESDpid.h"
-#include "AliCentrality.h"
-#include "AliESDUtils.h"
-#include "AliMultiplicity.h"
-
-#include "AliMCEventHandler.h"
-#include "AliMCEvent.h"
-#include "AliStack.h"
-
-#include "AliLog.h"
-
-#include "AliAnalysisCombinedHadronSpectra.h"
-
-
-ClassImp(AliAnalysisCombinedHadronSpectra)
-
-//________________________________________________________________________
-AliAnalysisCombinedHadronSpectra::AliAnalysisCombinedHadronSpectra()
- : AliAnalysisTaskSE("TaskChargedHadron"), fESD(0), fListHist(0), fESDtrackCuts(0),fESDTrackCutsMult(0),fESDpid(0),
- fMCtrue(0),
- fOnlyQA(0),
- fUseHBTmultiplicity(0),
- fUseTPConlyTracks(0),
- fSaveMotherPDG(0),
- fSmallTHnSparse(0),
- fTPCnSigmaCutLow(0),
- fTPCnSigmaCutHigh(0),
- fRapidityCutLow(0),
- fRapidityCutHigh(0),
- fEvenDCAbinning(0),
- fAlephParameters(),
- fHistRealTracks(0),
- fHistMCparticles(0),
- fHistPidQA(0),
- fHistMult(0),
- fHistCentrality(0)
-{
- // default Constructor
- /* fast compilation test
- gSystem->Load("libANALYSIS");
- gSystem->Load("libANALYSISalice");
- .L /d/alice09/akalweit/train/trunk/akalweit_hadronSpectra/AliAnalysisCombinedHadronSpectra.cxx++
- */
-}
-
-
-//________________________________________________________________________
-AliAnalysisCombinedHadronSpectra::AliAnalysisCombinedHadronSpectra(const char *name)
- : AliAnalysisTaskSE(name), fESD(0), fListHist(0), fESDtrackCuts(0),fESDTrackCutsMult(0),fESDpid(0),
- fMCtrue(0),
- fOnlyQA(0),
- fUseHBTmultiplicity(0),
- fUseTPConlyTracks(0),
- fSaveMotherPDG(0),
- fSmallTHnSparse(0),
- fTPCnSigmaCutLow(0),
- fTPCnSigmaCutHigh(0),
- fRapidityCutLow(0),
- fRapidityCutHigh(0),
- fEvenDCAbinning(0),
- fAlephParameters(),
- fHistRealTracks(0),
- fHistMCparticles(0),
- fHistPidQA(0),
- fHistMult(0),
- fHistCentrality(0)
- {
- //
- // standard constructur which should be used
- //
- Printf("*** CONSTRUCTOR CALLED ****");
- //
- fMCtrue = kTRUE;
- fOnlyQA = kFALSE;
- fUseHBTmultiplicity = kTRUE;
- fUseTPConlyTracks = kFALSE;
-
- fSmallTHnSparse = kFALSE;
- fTPCnSigmaCutLow = -3.;
- fTPCnSigmaCutHigh = 3.;
- fRapidityCutLow = -0.2;
- fRapidityCutHigh = 0.2;
- fEvenDCAbinning = kFALSE;
-
- /* real */
- fAlephParameters[0] = 0.0283086;
- fAlephParameters[1] = 2.63394e+01;
- fAlephParameters[2] = 5.04114e-11;
- fAlephParameters[3] = 2.12543e+00;
- fAlephParameters[4] = 4.88663e+00;
- //
- // initialize PID object
- //
- //fESDpid = new AliESDpid();
- //
- // create track cuts
- //
- fESDtrackCuts = new AliESDtrackCuts("AliESDtrackCuts","AliESDtrackCuts");
- //
- //Initialize();
- // Output slot #0 writes into a TList container
- DefineOutput(1, TList::Class());
-
-}
-
-
-//________________________________________________________________________
-void AliAnalysisCombinedHadronSpectra::Initialize()
-{
- //
- // updating parameters in case of changes
- //
- // 1. pid parameters
- //
- //fESDpid->GetTPCResponse().SetBetheBlochParameters(fAlephParameters[0],fAlephParameters[1],fAlephParameters[2],fAlephParameters[3],fAlephParameters[4]);
- //
- // 2. track cuts
- //
- /*
- fESDtrackCuts->SetMaxCovDiagonalElements(2, 2, 0.5, 0.5, 2); // BEWARE STANDARD VALUES ARE: 2, 2, 0.5, 0.5, 2
- fESDtrackCuts->SetMaxNsigmaToVertex(3);
- fESDtrackCuts->SetRequireSigmaToVertex(kTRUE);
- fESDtrackCuts->SetAcceptKinkDaughters(kFALSE);
- fESDtrackCuts->SetMinNClustersTPC(70);
- fESDtrackCuts->SetMaxChi2PerClusterTPC(4);
- fESDtrackCuts->SetMaxDCAToVertexXY(3);
- fESDtrackCuts->SetMaxDCAToVertexZ(3);
- fESDtrackCuts->SetRequireTPCRefit(kTRUE);
- fESDtrackCuts->SetRequireITSRefit(kTRUE);
- fESDtrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD, AliESDtrackCuts::kAny); //TEMPORARY <-> REMOVE
- fESDtrackCuts->SetMinNClustersITS(3);
- */
- //fESDtrackCuts = AliESDtrackCuts::GetStandardITSTPCTrackCuts2010(kTRUE); // kTRUE = sel. primaries --> patch for the moment, do TFractionFitter later
-
-
- if (!fUseTPConlyTracks) {
- fESDtrackCuts = AliESDtrackCuts::GetStandardITSTPCTrackCuts2010(kFALSE);
- fESDtrackCuts->SetMaxDCAToVertexXY(3);
- fESDtrackCuts->SetMaxDCAToVertexZ(2);
- fESDtrackCuts->SetEtaRange(-0.9,0.9);
- }
- else {
- //fESDtrackCuts = AliESDtrackCuts::GetStandardTPCOnlyTrackCuts();
- fESDtrackCuts->SetMinNClustersTPC(70);
- fESDtrackCuts->SetMaxChi2PerClusterTPC(4);
- fESDtrackCuts->SetAcceptKinkDaughters(kFALSE);
- fESDtrackCuts->SetRequireTPCRefit(kFALSE);
-
- fESDtrackCuts->SetMaxDCAToVertexXY(15);
- fESDtrackCuts->SetMaxDCAToVertexZ(6);
- fESDtrackCuts->SetDCAToVertex2D(kFALSE);
- fESDtrackCuts->SetRequireSigmaToVertex(kFALSE);
-
- fESDtrackCuts->SetEtaRange(-0.9,0.9);
- }
- //
- //
- //
- //
- fESDTrackCutsMult = AliESDtrackCuts::GetStandardITSTPCTrackCuts2010(kTRUE);
- fESDTrackCutsMult->SetEtaRange(-1.2,+1.2);
- fESDTrackCutsMult->SetPtRange(0.15,1e10);
-
-}
-
-
-//________________________________________________________________________
-void AliAnalysisCombinedHadronSpectra::UserCreateOutputObjects()
-{
- // Create histograms
- // Called once
- fListHist = new TList();
- fListHist->SetOwner(kTRUE);
- //
- const Int_t kPtBins = 35;
- const Int_t kMultBins = 11;
-
- Int_t kDcaBinsTemp = 76;
- if (fEvenDCAbinning) kDcaBinsTemp = 150;
- const Int_t kDcaBins = (const Int_t) kDcaBinsTemp;
-
- const Float_t kDcaBinsTPConlyFactor = 5; //need to change binning of DCA plot for tpconly
- // sort pT-bins ..
- Double_t binsPt[77] = {0., 0.05, 0.1, 0.15, 0.2, 0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.55, 0.6, 0.65, 0.7, 0.75, 0.8, 0.85, 0.9, 0.95, 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2.0, 2.2, 2.4, 2.6, 2.8, 3.0};
-
- Double_t binsDca[77] = {-3,-2.85,-2.7,-2.55,-2.4,-2.25,-2.1,-1.95,-1.8,-1.65,-1.5,-1.35,-1.2,-1.05,-0.9,-0.75,-0.6,-0.45,-0.3,-0.285,-0.27,-0.255,-0.24,-0.225,-0.21,-0.195,-0.18,-0.165,-0.15,-0.135,-0.12,-0.105,-0.09,-0.075,-0.06,-0.045,-0.03,-0.015,0,0.015,0.03,0.045,0.06,0.075,0.09,0.105,0.12,0.135,0.15,0.165,0.18,0.195,0.21,0.225,0.24,0.255,0.27,0.285,0.3,0.45,0.6,0.75,0.9,1.05,1.2,1.35,1.5,1.65,1.8,1.95,2.1,2.25,2.4,2.55,2.7,2.85,3};
-
- // DCA bins borders get multiplied by constant factor for TPConlyTracks
- Double_t binsDcaTPConly[77];
- for (Int_t i = 0; i< 77; i++) {
- binsDcaTPConly[i] = kDcaBinsTPConlyFactor * binsDca[i];
- }
-
- //
- // create the histograms with all necessary information --> it is filled 4x for each particle assumption
- //
- // (0.) assumed particle: 0. pion, 1. kaon, 2. proton, 3. deuteron
- // (1.) multiplicity or centrality -- number of accepted ESD tracks per events (deprecated), but now classes from 1 to 10, 0: Min. Bias
- // (2.) pT
- // (3.) sign
- // (4.) rapidity --> filled 4x
- // (5.) pull TPC dEx --> filled 4x
- // (6.) has valid TOF pid signal
- // (7.) nsigma TOF --> filled 4x
- // (8..) dca_xy
- // (9.) CODE -- only MC 0-generated, 1-true rec. primaries, 2-misident prim, 3-second weak, 4-second material, 5-misident sec, 6-sec. K0, 7-sec. lambda, 8-sec sigma+
- //
-
- //dimensions of standard THnSparse
- // 0, 1, 2, 3, 4, 5, 6, 7, 8
- Int_t binsHistReal[9] = { 3, kMultBins, kPtBins, 2, 10, 50, 2, 80, kDcaBins};
- Double_t xminHistReal[9] = {-0.5, -0.5, 0, -2, -0.5, -5, -0.5, -8, -3};
- Double_t xmaxHistReal[9] = { 2.5, 10.5, 3, 2, 0.5, 5, 1.5, 8, 3};
-
- //dimensions of small THnSparse
- // 0, 1, 2, 3, 4, 5, 6
- Int_t binsHistRealSm[7] = { 3, kMultBins, kPtBins, 2, /* 10, 50,*/ 2, 80, kDcaBins};
- Double_t xminHistRealSm[7] = {-0.5, -0.5, 0, -2, /* -0.5, -5,*/ -0.5, -8, -3};
- Double_t xmaxHistRealSm[7] = { 2.5, 10.5, 3, 2, /* 0.5, 5,*/ 1.5, 8, 3};
-
- if (!fSmallTHnSparse) fHistRealTracks = new THnSparseF("fHistRealTracks","real tracks",9,binsHistReal,xminHistReal,xmaxHistReal);
- else fHistRealTracks = new THnSparseF("fHistRealTracks","real tracks",7,binsHistRealSm,xminHistRealSm,xmaxHistRealSm);
- //
- fHistRealTracks->GetAxis(2)->Set(kPtBins, binsPt);
-
- //different DCAxy binning for TPConlyTracks
-
- Int_t dcaAxisNumber = 8;
- if (fSmallTHnSparse) dcaAxisNumber = 6;
-
- if (!fUseTPConlyTracks){
- if (fEvenDCAbinning) fHistRealTracks->GetAxis(dcaAxisNumber)->Set(kDcaBins,-3.,3.);
- else fHistRealTracks->GetAxis(dcaAxisNumber)->Set(kDcaBins, binsDca);
- }
- else {
- if (fEvenDCAbinning) fHistRealTracks->GetAxis(dcaAxisNumber)->Set(kDcaBins,-15.,15.);
- else fHistRealTracks->GetAxis(dcaAxisNumber)->Set(kDcaBins, binsDcaTPConly);
- }
- fListHist->Add(fHistRealTracks);
- //
- // 0.ptot,1.tpcSig,2.hasTOF, 3. assumed part., 4. nclDedx, 5. nSigmaTPC (4x), 6. nSigmaTOF (4x), 7. centrality
- fHistPidQA = new TH3D("fHistPidQA","PID QA",500,0.1,10,1000,0,1000,2,-2,2);
- BinLogAxis(fHistPidQA);
- fListHist->Add(fHistPidQA);
-
- // dimensions of standard THnSparse
- // 0, 1, 2, 3, 4, 5, 6, 7, 8., 9.
- Int_t binsHistMC[10] = { 3, kMultBins, kPtBins, 2, 10, 50, 2, 80, kDcaBins, 6};
- Double_t xminHistMC[10] = {-0.5, -0.5, 0, -2, -0.5, -5, -0.5, -8, -3, -0.5};
- Double_t xmaxHistMC[10] = { 2.5, 10.5, 3, 2, 0.5, 5, 1.5, 8, 3, 5.5};
-
- //dimensions of small THnSparse
- // 0, 1, 2, 3, 4, 5, 6., 7.
- Int_t binsHistMCSm[8] = { 3, kMultBins, kPtBins, 2, /* 10, 50,*/ 2, 80, kDcaBins, 6};
- Double_t xminHistMCSm[8] = {-0.5, -0.5, 0, -2, /* -0.5, -5,*/ -0.5, -8, -3, -0.5};
- Double_t xmaxHistMCSm[8] = { 2.5, 10.5, 3, 2, /* 0.5, 5,*/ 1.5, 8, 3, 5.5};
-
- //different binning for CODE axis, if we want to save motherPDG
- if (fSaveMotherPDG) {
- binsHistMC[9] = 9;
- xmaxHistMC[9] = 8.5;
- binsHistMCSm[7] = 9;
- xmaxHistMCSm[7] = 8.5;
- }
-
-
- if (!fSmallTHnSparse) fHistMCparticles = new THnSparseF("fHistMCparticles","MC histogram",10,binsHistMC,xminHistMC,xmaxHistMC);
- else fHistMCparticles = new THnSparseF("fHistMCparticles","MC histogram",8,binsHistMCSm,xminHistMCSm,xmaxHistMCSm);
-
-
- fHistMCparticles->GetAxis(2)->Set(kPtBins, binsPt);
-
- /*
- //different DCAxy binning for TPConlyTracks
- if (!fEvenDCAbinning){
- if (!fUseTPConlyTracks) fHistMCparticles->GetAxis(dcaAxisNumber)->Set(kDcaBins, binsDca);
- else fHistMCparticles->GetAxis(dcaAxisNumber)->Set(kDcaBins, binsDcaTPConly);
- }
- */
-
- if (!fUseTPConlyTracks){
- if (fEvenDCAbinning) fHistMCparticles->GetAxis(dcaAxisNumber)->Set(kDcaBins,-3.,3.);
- else fHistMCparticles->GetAxis(dcaAxisNumber)->Set(kDcaBins, binsDca);
- }
- else {
- if (fEvenDCAbinning) fHistMCparticles->GetAxis(dcaAxisNumber)->Set(kDcaBins,-15.,15.);
- else fHistMCparticles->GetAxis(dcaAxisNumber)->Set(kDcaBins, binsDcaTPConly);
- }
-
-
-
- fListHist->Add(fHistMCparticles);
- //
- fHistMult = new TH2D("fHistMult", "control histogram to count number of events", 502, -2.5, 499.5,4,-0.5,3.5);
- fHistCentrality = new TH1D("fHistCentrality", "control histogram to count number of events", 22, -1.5, 20.5);
- fListHist->Add(fHistMult);
- fListHist->Add(fHistCentrality);
-
-}
-
-//________________________________________________________________________
-void AliAnalysisCombinedHadronSpectra::UserExec(Option_t *)
-{
- //
- // main event loop
- //
- if (!fESDpid) fESDpid = ((AliESDInputHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->GetESDpid();
- if (!fESDpid) {
- fESDpid = new AliESDpid(); // HACK FOR MC PBPB --> PLEASE REMOVE AS SOON AS POSSIBLE
- fESDpid->GetTPCResponse().SetBetheBlochParameters(1.28778e+00/50., 3.13539e+01, TMath::Exp(-3.16327e+01), 1.87901e+00, 6.41583e+00);
- }
- //AliLog::SetGlobalLogLevel(AliLog::kError);
- //
- // Check Monte Carlo information and other access first:
- //
- AliMCEventHandler* eventHandler = dynamic_cast<AliMCEventHandler*> (AliAnalysisManager::GetAnalysisManager()->GetMCtruthEventHandler());
- if (!eventHandler) {
- //Printf("ERROR: Could not retrieve MC event handler");
- fMCtrue = kFALSE;
- }
- //
- AliMCEvent* mcEvent = 0x0;
- AliStack* stack = 0x0;
- if (eventHandler) mcEvent = eventHandler->MCEvent();
- if (!mcEvent) {
- //Printf("ERROR: Could not retrieve MC event");
- if (fMCtrue) return;
- }
- if (fMCtrue) {
- stack = mcEvent->Stack();
- if (!stack) return;
- }
- //
- fESD = dynamic_cast<AliESDEvent*>( InputEvent() );
- if (!fESD) {
- //Printf("ERROR: fESD not available");
- return;
- }
-
- if (!fESDtrackCuts) {
- Printf("ERROR: fESDtrackCuts not available");
- return;
- }
- //
- // check if event is selected by physics selection class
- //
- Bool_t isSelected = kTRUE; // for reasons of backward compatibility --> check is now in AddTask macro
- /*
- Bool_t isSelected = kFALSE;
- isSelected = (((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & AliVEvent::kMB) == AliVEvent::kMB;
- */
- //
- // monitor vertex position
- //
- const AliESDVertex *vertex = fESD->GetPrimaryVertexTracks();
- if(vertex->GetNContributors()<1) {
- // SPD vertex
- vertex = fESD->GetPrimaryVertexSPD();
- if(vertex->GetNContributors()<1) vertex = 0x0;
- }
- //
- // small track loop to determine trigger Pt, multiplicity or centrality
- //
- Double_t triggerPt = 0;
- for (Int_t i=0;i<fESD->GetNumberOfTracks();++i) {
- AliESDtrack *track =fESD->GetTrack(i);
- if (!fESDTrackCutsMult->AcceptTrack(track)) continue;
- if (track->Pt() > triggerPt) triggerPt = track->Pt();
- }
- Int_t trackCounter = fESDTrackCutsMult->CountAcceptedTracks(fESD);
- //
- // 2nd multiplicity estimator SPD hits; replaces multiplicity from HBT
- //
- Float_t spdCorr = -1;
- const AliMultiplicity *mult = fESD->GetMultiplicity();
- Float_t nClusters[6]={0.0,0.0,0.0,0.0,0.0,0.0};
- for(Int_t ilay=0; ilay<6; ilay++) nClusters[ilay] = (Float_t)mult->GetNumberOfITSClusters(ilay);
- if (vertex) spdCorr = AliESDUtils::GetCorrSPD2(nClusters[1],vertex->GetZ());
- //
- Float_t centrality = -1;
- //
- // IMPORTANT CENTRALITY DEFINITION FOR pp
- //
- if (!fUseHBTmultiplicity) {
- // test binning to check if multiplicity-dependence is due to diffractive events being s
- if (trackCounter >= 0 && trackCounter <= 0) centrality = 0;
- if (trackCounter >= 1 && trackCounter <= 1) centrality = 1;
- if (trackCounter >= 2 && trackCounter <= 2) centrality = 2;
- if (trackCounter >= 3 && trackCounter <= 3) centrality = 3;
- if (trackCounter >= 4 && trackCounter <= 4) centrality = 4;
- if (trackCounter >= 5 && trackCounter <= 5) centrality = 5;
- // this was all the original bin 1 being [0..5]
- if (trackCounter >= 6 && trackCounter <= 9) centrality = 6;
- if (trackCounter >= 10 && trackCounter <= 14) centrality = 7;
- if (trackCounter >= 15 && trackCounter <= 22) centrality = 8;
- if (trackCounter >= 23 && trackCounter <= 32) centrality = 9;
- if (trackCounter >= 33 && trackCounter <= 42) centrality = 10;
- /*
- if (trackCounter >= 43 && trackCounter <= 52) centrality = 7
- if (trackCounter >= 53 && trackCounter <= 62) centrality = 8;
- if (trackCounter >= 63 && trackCounter <= 72) centrality = 9;
- if (trackCounter >= 73 && trackCounter <= 82) centrality = 10;
- */
- } else {
- if (spdCorr >= 0 && spdCorr <= 2) centrality = 0;
- if (spdCorr >= 3 && spdCorr <= 5) centrality = 1;
- if (spdCorr >= 6 && spdCorr <= 8) centrality = 2;
- if (spdCorr >= 9 && spdCorr <= 11) centrality = 3;
- if (spdCorr >= 12 && spdCorr <= 14) centrality = 4;
- if (spdCorr >= 15 && spdCorr <= 16) centrality = 5;
- // this was all the original bin 1 being [0..16]
- if (spdCorr >= 17 && spdCorr <= 30) centrality = 6;
- if (spdCorr >= 31 && spdCorr <= 45) centrality = 7;
- if (spdCorr >= 46 && spdCorr <= 68) centrality = 8;
- if (spdCorr >= 69 && spdCorr <= 97) centrality = 9;
- if (spdCorr >= 98) centrality = 10;
- /*
- if (spdCorr >= 17 && spdCorr <= 30) centrality = 2;
- if (spdCorr >= 31 && spdCorr <= 45) centrality = 3;
- if (spdCorr >= 46 && spdCorr <= 68) centrality = 4;
- if (spdCorr >= 69 && spdCorr <= 97) centrality = 5;
- if (spdCorr >= 98) centrality = 6;
- */
- }
- //
- Int_t rootS = fESD->GetBeamEnergy() < 1000 ? 0 : 1;
- if (fESD->GetEventSpecie() == 4) { // PbPb
- rootS = 2;
- AliCentrality *esdCentrality = fESD->GetCentrality();
- centrality = esdCentrality->GetCentralityClass10("V0M") + 1; // centrality percentile determined with V0
- if (TMath::Abs(centrality - 1) < 1e-5) {
- centrality = esdCentrality->GetCentralityClass5("V0M");
- }
- }
- Int_t nContributors = 0;
- if (fESD->GetPrimaryVertexTPC()) nContributors = fESD->GetPrimaryVertexTPC()->GetNContributors();
- //
- Int_t processtype = 0;
- Int_t processCode = 0;
- //
- // important change: fill generated only after vertex cut in case of heavy-ions
- //
- if (!vertex && fESD->GetEventSpecie() == 4) {
- fHistMult->Fill(-1, processCode);
- PostData(1, fListHist);
- return;
- } else {
- if (TMath::Abs(vertex->GetZ()) > 10 && fESD->GetEventSpecie() == 4) {
- fHistMult->Fill(-1, processCode);
- PostData(1, fListHist);
- return;
- }
- }
- //
- if (fMCtrue) {
- //
- //
- //
- AliHeader * header = mcEvent->Header();
- processtype = GetPythiaEventProcessType(header);
- // non diffractive
- if (processtype !=92 && processtype !=93 && processtype != 94) processCode = 1;
- // single diffractive
- if ((processtype == 92 || processtype == 93)) processCode = 2;
- // double diffractive
- if (processtype == 94) processCode = 3;
- //
- for(Int_t i = 0; i < stack->GetNtrack(); i++) {
- TParticle * trackMC = stack->Particle(i);
- Int_t pdg = trackMC->GetPdgCode();
- //
- Double_t xv = trackMC->Vx();
- Double_t yv = trackMC->Vy();
- Double_t zv = trackMC->Vz();
- Double_t dxy = 0;
- dxy = TMath::Sqrt(xv*xv + yv*yv); // so stupid to avoid warnings
- Double_t dz = 0;
- dz = TMath::Abs(zv); // so stupid to avoid warnings
- //
- // vertex cut - selection of primaries
- //
- //if (dxy > 3 || dz > 10) continue; // fixed cut at 3cm in r
- //
- if (!stack->IsPhysicalPrimary(i)) continue;
- //
- // fill MC histograms here...
- //
- Double_t rap = trackMC->Y();
- Double_t pT = trackMC->Pt();
- Int_t sign = pdg < 0 ? -1 : 1; // only works for charged pi,K,p !!
-// Double_t transMass = TMath::Sqrt(trackMC->Pt()*trackMC->Pt() + trackMC->GetMass()*trackMC->GetMass()) - trackMC->GetMass();
- //
- Int_t iPart = -1;
- if (TMath::Abs(pdg) == 211) iPart = 0; // select Pi+/Pi- only
- if (TMath::Abs(pdg) == 321) iPart = 1; // select K+/K- only
- if (TMath::Abs(pdg) == 2212) iPart = 2; // select p+/p- only
- if (iPart == -1) continue;
- //
-
- if (!fSmallTHnSparse){
- Double_t vecHistMC[10] = {static_cast<Double_t>(iPart), centrality, pT, static_cast<Double_t>(sign), rap, 0, 1, 0, dxy, 0};
- if (!fOnlyQA) fHistMCparticles->Fill(vecHistMC);
- }
- else{
- if (rap>fRapidityCutLow && rap<fRapidityCutHigh){
- Double_t vecHistMC[8] = {static_cast<Double_t>(iPart), centrality, pT, static_cast<Double_t>(sign), 1, 0, dxy, 0};
- if (!fOnlyQA) fHistMCparticles->Fill(vecHistMC);
- }
- }
- }
- }
- //
- if (!isSelected && !fOnlyQA) {
- PostData(1, fListHist);
- return;
- }
- //
- if (!vertex) {
- fHistMult->Fill(-1, processCode);
- PostData(1, fListHist);
- return;
- } else {
- if (TMath::Abs(vertex->GetZ()) > 10) {
- fHistMult->Fill(-1, processCode);
- PostData(1, fListHist);
- return;
- }
- }
- //
- // count events after physics selection and after vertex selection
- //
- //cout << "MULTIPLICITY " << trackCounter << " " << fESD->GetEventNumberInFile() <<endl;
- fHistMult->Fill(trackCounter, processCode);
- fHistCentrality->Fill(centrality);
-
-
- //***************************************************
- // track loop
- //***************************************************
- //const Float_t kNsigmaCut = 3;
- //const Float_t k2sigmaCorr = 1/(0.5*(TMath::Erf(kNsigmaCut/sqrt(2))-TMath::Erf(-kNsigmaCut/sqrt(2))))/*1/0.9545*/;
- //
- Float_t dca[2], cov[3]; // dca_xy, dca_z, sigma_xy, sigma_xy_z, sigma_z for the vertex cut
- //
- for (Int_t i=0;i<fESD->GetNumberOfTracks();++i) {
-
- AliESDtrack *track = 0;
- AliESDtrack *trackForTOF = 0; //normal track for all TOF information needed when using tpconly-tracks
-
- //normal tracks, if tpconly flag is set, use tpconlytracks
- if (!fUseTPConlyTracks){
- track =fESD->GetTrack(i);
- }
- else {
- track = fESDtrackCuts->GetTPCOnlyTrack(fESD,i);
- if (!track) continue;
- trackForTOF = fESD->GetTrack(i);
- }
- //
- if (!track->GetInnerParam()) {
- if (fUseTPConlyTracks) {delete track; track = 0;} //need to delete tpconlytrack
- continue;
- }
- Double_t ptot = track->GetInnerParam()->GetP(); // momentum for dEdx determination
- Double_t pT = track->Pt();
- track->GetImpactParameters(dca, cov);
- //
- //
- // cut for dead regions in the detector
- // if (track->Eta() > 0.1 && (track->Eta() < 0.2 && track->Phi() > 0.1 && track->Phi() < 0.1) continue;
- //
- // 2.a) apply some standard track cuts according to general recommendations
- //
- if (!fESDtrackCuts->AcceptTrack(track)) {
- if (fUseTPConlyTracks) {delete track; track = 0;} //need to delete tpconlytrack
- continue;
- }
-
- UInt_t status = 0;
- if (!fUseTPConlyTracks) status = track->GetStatus();
- else status = trackForTOF->GetStatus();
- Bool_t hasTOFout = status&AliESDtrack::kTOFout;
- Bool_t hasTOFtime = status&AliESDtrack::kTIME;
- Bool_t hasTOFpid = status&AliESDtrack::kTOFpid;
- Bool_t hasTOF = kFALSE;
- if (hasTOFout && hasTOFtime && hasTOFpid) hasTOF = kTRUE;
- Float_t length = 0.;
- if (!fUseTPConlyTracks) length = track->GetIntegratedLength();
- else length = trackForTOF->GetIntegratedLength();
-
- if (length < 350.) hasTOF = kFALSE;
- //
- // calculate rapidities and kinematics
- //
- //
- Double_t pvec[3];
- track->GetPxPyPz(pvec);
- Double_t energyPion = TMath::Sqrt(track->GetP()*track->GetP() + AliPID::ParticleMass(AliPID::kPion)*AliPID::ParticleMass(AliPID::kPion));
- Double_t energyKaon = TMath::Sqrt(track->GetP()*track->GetP() + AliPID::ParticleMass(AliPID::kKaon)*AliPID::ParticleMass(AliPID::kKaon));
- Double_t energyProton = TMath::Sqrt(track->GetP()*track->GetP() + AliPID::ParticleMass(AliPID::kProton)*AliPID::ParticleMass(AliPID::kProton));
- Double_t energyDeuteron = TMath::Sqrt(track->GetP()*track->GetP() + 4*AliPID::ParticleMass(AliPID::kProton)*AliPID::ParticleMass(AliPID::kProton));
- //
- Double_t rapPion = 0.5*TMath::Log((energyPion + pvec[2])/(energyPion - pvec[2]));
- Double_t rapKaon = 0.5*TMath::Log((energyKaon + pvec[2])/(energyKaon - pvec[2]));
- Double_t rapProton = 0.5*TMath::Log((energyProton + pvec[2])/(energyProton - pvec[2]));
- Double_t rapDeuteron = 0.5*TMath::Log((energyDeuteron + pvec[2])/(energyDeuteron - pvec[2]));
- //
-// Double_t transMassPion = TMath::Sqrt(track->Pt()*track->Pt() + AliPID::ParticleMass(AliPID::kPion)*AliPID::ParticleMass(AliPID::kPion)) - AliPID::ParticleMass(AliPID::kPion);
-// Double_t transMassKaon = TMath::Sqrt(track->Pt()*track->Pt() + AliPID::ParticleMass(AliPID::kKaon)*AliPID::ParticleMass(AliPID::kKaon)) - AliPID::ParticleMass(AliPID::kKaon);
- // Double_t transMassProton = TMath::Sqrt(track->Pt()*track->Pt() + AliPID::ParticleMass(AliPID::kProton)*AliPID::ParticleMass(AliPID::kProton)) - AliPID::ParticleMass(AliPID::kProton);
-// Double_t transMassDeuteron = TMath::Sqrt(track->Pt()*track->Pt() + 4*AliPID::ParticleMass(AliPID::kProton)*AliPID::ParticleMass(AliPID::kProton)) - 2*AliPID::ParticleMass(AliPID::kProton);
- //
- // 3. make the PID
- //
- Double_t sign = track->GetSign();
- Double_t tpcSignal = track->GetTPCsignal();
- //
- //
- // 3.a. calculate expected signals in nsigma
- //
- //
- // (0.) assumed particle: 0. pion, 1. kaon, 2. proton, 3. deuteron
- // (1.) multiplicity or centrality -- number of accepted ESD tracks per events (deprecated), but now classes from 1 to 10, 0: Min. Bias
- // (2.) pT
- // (3.) sign
- // (4.) rapidity --> filled 4x
- // (5.) pull TPC dEx --> filled 4x
- // (6.) has valid TOF pid signal
- // (7.) nsigma TOF --> filled 4x
- // (8..) dca_xy
- // (9.) CODE -- only MC 0-generated, 1-true rec. primaries, 2-misident, 3-second weak, 4-second material
- //
-// Double_t transMass[4] = {transMassPion,transMassKaon,transMassProton,transMassDeuteron};
- Double_t rap[4] = {rapPion,rapKaon,rapProton,rapDeuteron};
- Double_t pullsTPC[4] = {fESDpid->NumberOfSigmasTPC(track,AliPID::kPion),
- fESDpid->NumberOfSigmasTPC(track,AliPID::kKaon),
- fESDpid->NumberOfSigmasTPC(track,AliPID::kProton),
- 0}; // ASK FOR PUTTING THE DEUTERON TO AliPID !!!!!!!!!!!!!!
- Float_t time0 = fESDpid->GetTOFResponse().GetTimeZero();
- //fESDpid->GetTOFResponse().SetTimeResolution(130.);
- Double_t pullsTOF[4] ={0.,0.,0.,0.};
- if (!fUseTPConlyTracks) {
- pullsTOF[0] = fESDpid->NumberOfSigmasTOF(track,AliPID::kPion, time0);
- pullsTOF[1] = fESDpid->NumberOfSigmasTOF(track,AliPID::kKaon, time0);
- pullsTOF[2] = fESDpid->NumberOfSigmasTOF(track,AliPID::kProton, time0);
- pullsTOF[3] = 0; // ASK FOR PUTTING THE DEUTERON TO AliPID !!!!!!!!!!!!!!;
- }
- else {
- pullsTOF[0] = fESDpid->NumberOfSigmasTOF(trackForTOF,AliPID::kPion, time0);
- pullsTOF[1] = fESDpid->NumberOfSigmasTOF(trackForTOF,AliPID::kKaon, time0);
- pullsTOF[2] = fESDpid->NumberOfSigmasTOF(trackForTOF,AliPID::kProton, time0);
- pullsTOF[3] = 0; // ASK FOR PUTTING THE DEUTERON TO AliPID !!!!!!!!!!!!!!;
- }
-
- //
-// Double_t tpcQA[4] = {fESDpid->NumberOfSigmasTPC(track,AliPID::kElectron),
-// fESDpid->NumberOfSigmasTPC(track,AliPID::kPion),
-// fESDpid->NumberOfSigmasTPC(track,AliPID::kKaon),
-// fESDpid->NumberOfSigmasTPC(track,AliPID::kProton)};
-
- Double_t tofQA[4] = {0.,0.,0.,0.};
- if (!fUseTPConlyTracks) {
- tofQA[0] = fESDpid->NumberOfSigmasTOF(track,AliPID::kElectron, time0);
- tofQA[0] = fESDpid->NumberOfSigmasTOF(track,AliPID::kPion, time0);
- tofQA[0] = fESDpid->NumberOfSigmasTOF(track,AliPID::kKaon, time0);
- tofQA[0] = fESDpid->NumberOfSigmasTOF(track,AliPID::kProton, time0);
- }
- else{
- tofQA[0] = fESDpid->NumberOfSigmasTOF(trackForTOF,AliPID::kElectron, time0);
- tofQA[0] = fESDpid->NumberOfSigmasTOF(trackForTOF,AliPID::kPion, time0);
- tofQA[0] = fESDpid->NumberOfSigmasTOF(trackForTOF,AliPID::kKaon, time0);
- tofQA[0] = fESDpid->NumberOfSigmasTOF(trackForTOF,AliPID::kProton, time0);
- }
-
-
- //save information for every particle type // loop over assumed particle type
- for(Int_t iPart = 0; iPart < 3; iPart++) {
-
- if (!fSmallTHnSparse) {
- Double_t vecHistReal[9] = {static_cast<Double_t>(iPart), centrality, pT, static_cast<Double_t>(sign), rap[iPart], pullsTPC[iPart], static_cast<Double_t>(hasTOF), pullsTOF[iPart], dca[0]};
- if (!fOnlyQA) fHistRealTracks->Fill(vecHistReal);
- }
- else {
- if (pullsTPC[iPart]>fTPCnSigmaCutLow && pullsTPC[iPart]<fTPCnSigmaCutHigh && rap[iPart]>fRapidityCutLow && rap[iPart]<fRapidityCutHigh) {
- Double_t vecHistReal[7] = {static_cast<Double_t>(iPart), centrality, pT, static_cast<Double_t>(sign), static_cast<Double_t>(hasTOF), pullsTOF[iPart], dca[0]};
- if (!fOnlyQA) fHistRealTracks->Fill(vecHistReal);
- }
- }
-
-
- // using MC truth for precise efficiencies...
- //
- if (fMCtrue && !fOnlyQA) {
- Int_t code = 9; // code: 0-generated, 1-true rec. primaries, 2-misident, 3-second weak, 4-second material
- Int_t assumedPdg = 0;//2212(proton); 321(Kaon); 211(pion);
- Int_t motherCode = -1;
- if (iPart == 0) assumedPdg = 211;
- if (iPart == 1) assumedPdg = 321;
- if (iPart == 2) assumedPdg = 2212;
- //
- //
- TParticle *trackMC = stack->Particle(TMath::Abs(track->GetLabel()));
- Int_t pdg = TMath::Abs(trackMC->GetPdgCode());
- //
- if (pdg != assumedPdg && stack->IsPhysicalPrimary(TMath::Abs(track->GetLabel()))) code = 2;
- if (pdg != assumedPdg && stack->IsSecondaryFromWeakDecay(TMath::Abs(track->GetLabel()))) code = 5;
- if (pdg == assumedPdg && stack->IsPhysicalPrimary(TMath::Abs(track->GetLabel()))) code = 1;
- if (pdg == assumedPdg && stack->IsSecondaryFromWeakDecay(TMath::Abs(track->GetLabel()))) {
- code = 3;
- if (fSaveMotherPDG){
- TParticle *trackMother = stack->Particle(TMath::Abs(trackMC->GetFirstMother()));
- if (trackMother->GetPdgCode() == 310) motherCode = 6; //K0
- if (trackMother->GetPdgCode() == 3122) motherCode = 7; //Lambda
- if (trackMother->GetPdgCode() == 3222) motherCode = 8; //Sigma+
- }
- }
- if (pdg == assumedPdg && stack->IsSecondaryFromMaterial(TMath::Abs(track->GetLabel()))) code = 4;
-
- //
- // muons need special treatment, because they are indistinguishable from pions
- //
- if (iPart == 0 && pdg == 13 && stack->IsPhysicalPrimary(TMath::Abs(track->GetLabel()))) code = 1;
- if (iPart == 0 && pdg == 13 && stack->IsSecondaryFromWeakDecay(TMath::Abs(track->GetLabel()))) code = 3;
- //
- // check TOF mismatch on MC basis with TOF label
- //
- Int_t tofLabel[3];
- if (!fUseTPConlyTracks) track->GetTOFLabel(tofLabel);
- else trackForTOF->GetTOFLabel(tofLabel);
- if (TMath::Abs(track->GetLabel()) != TMath::Abs(tofLabel[0]) || tofLabel[1] > 0) hasTOF = kFALSE;
- //
- // IMPORTANT BIG PROBLEM HERE THE PROBABLILITY TO HAVE A PID SIGNAL MUST BE IN !!!!!!!!!!!!
- //
- if (!fSmallTHnSparse){
- Double_t vectorHistMC[10] = {static_cast<Double_t>(iPart), centrality, pT, static_cast<Double_t>(sign), rap[iPart], pullsTPC[iPart], static_cast<Double_t>(hasTOF), pullsTOF[iPart], dca[0], static_cast<Double_t>(code)};
- if (!fOnlyQA) {
- fHistMCparticles->Fill(vectorHistMC);
- if (motherCode != -1 && fSaveMotherPDG) { //if mother of weak decay is K0, lambda or sigma+ add track again with this information
- Double_t vectorHistMCmother[10] = {static_cast<Double_t>(iPart), centrality, pT, static_cast<Double_t>(sign), rap[iPart], pullsTPC[iPart], static_cast<Double_t>(hasTOF), pullsTOF[iPart], dca[0], static_cast<Double_t>(motherCode)};
- fHistMCparticles->Fill(vectorHistMCmother);
- }
- }
- }
- else{
- if (pullsTPC[iPart]>fTPCnSigmaCutLow && pullsTPC[iPart]<fTPCnSigmaCutHigh && rap[iPart]>fRapidityCutLow && rap[iPart]<fRapidityCutHigh) {
- // 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
- Double_t vectorHistMC[8] = {static_cast<Double_t>(iPart), centrality, pT, static_cast<Double_t>(sign), static_cast<Double_t>(hasTOF), pullsTOF[iPart], dca[0], static_cast<Double_t>(code)};
- if (!fOnlyQA) {
- fHistMCparticles->Fill(vectorHistMC);
- if (motherCode != -1 && fSaveMotherPDG) { //if mother of weak decay is K0, lambda or sigma+ add track again with this information
- Double_t vectorHistMCmother[8] = {static_cast<Double_t>(iPart), centrality, pT, static_cast<Double_t>(sign), static_cast<Double_t>(hasTOF), pullsTOF[iPart], dca[0], static_cast<Double_t>(motherCode)};
- fHistMCparticles->Fill(vectorHistMCmother);
- }
- }
- }
- }
- }
- //
- //
- Int_t tpcShared = track->GetTPCnclsS();
- if (TMath::Abs(track->Eta()) < 0.8 && iPart == 0 && tpcShared < 4) fHistPidQA->Fill(ptot,tpcSignal,sign);
- } // end loop over assumed particle type
-
- //need to delete tpconlytrack
- if (fUseTPConlyTracks){
- delete track;
- track = 0;
- }
-
- } // end of track loop
-
- // Post output data
- PostData(1, fListHist);
-
-}
-
-
-//________________________________________________________________________
-void AliAnalysisCombinedHadronSpectra::Terminate(Option_t *)
-{
- // Draw result to the screen
- // Called once at the end of the query
- Printf("*** CONSTRUCTOR CALLED ****");
-
-}
-
-
-//________________________________________________________________________
-Bool_t AliAnalysisCombinedHadronSpectra::SelectOnImpPar(AliESDtrack* t) {
- //
- // cut on transverse impact parameter // DEPRECATED
- //
- Float_t d0z0[2],covd0z0[3];
- t->GetImpactParameters(d0z0,covd0z0);
- Float_t sigma= 0.0050+0.0060/TMath::Power(t->Pt(),0.9);
- Float_t d0max = 7.*sigma;
- //
- Float_t sigmaZ = 0.0146+0.0070/TMath::Power(t->Pt(),1.114758);
- if (t->Pt() > 1) sigmaZ = 0.0216;
- Float_t d0maxZ = 5.*sigmaZ;
- //
- if(TMath::Abs(d0z0[0]) < d0max && TMath::Abs(d0z0[1]) < d0maxZ) return kTRUE;
- return kFALSE;
-}
-
-
-//________________________________________________________________________
-void AliAnalysisCombinedHadronSpectra::BinLogAxis(const TH1 *h) {
- //
- // Method for the correct logarithmic binning of histograms
- //
- TAxis *axis = const_cast<TAxis*>(h->GetXaxis());
- int bins = axis->GetNbins();
-
- Double_t from = axis->GetXmin();
- Double_t to = axis->GetXmax();
- Double_t *newBins = new Double_t[bins + 1];
-
- newBins[0] = from;
- Double_t factor = pow(to/from, 1./bins);
-
- for (int i = 1; i <= bins; i++) {
- newBins[i] = factor * newBins[i-1];
- }
- axis->Set(bins, newBins);
- delete [] newBins;
-
-}
-
-
-//________________________________________________________________________
-Int_t AliAnalysisCombinedHadronSpectra::GetPythiaEventProcessType(const AliHeader* aHeader, Bool_t adebug) const {
- //
- // get the process type of the event.
- //
-
- // can only read pythia headers, either directly or from cocktalil header
- AliGenPythiaEventHeader* pythiaGenHeader = dynamic_cast<AliGenPythiaEventHeader*>(aHeader->GenEventHeader());
-
- if (!pythiaGenHeader) {
-
- AliGenCocktailEventHeader* genCocktailHeader = dynamic_cast<AliGenCocktailEventHeader*>(aHeader->GenEventHeader());
- if (!genCocktailHeader) {
- //printf("AliAnalysisCombinedHadronSpectra::GetProcessType : Unknown header type (not Pythia or Cocktail). \n");
- return -1;
- }
-
- TList* headerList = genCocktailHeader->GetHeaders();
- if (!headerList) {
- return -1;
- }
-
- for (Int_t i=0; i<headerList->GetEntries(); i++) {
- pythiaGenHeader = dynamic_cast<AliGenPythiaEventHeader*>(headerList->At(i));
- if (pythiaGenHeader)
- break;
- }
-
- if (!pythiaGenHeader) {
- //printf("AliAnalysisCombinedHadronSpectra::GetProcessType : Could not find Pythia header. \n");
- return -1;
- }
- }
-
- if (adebug) {
- //printf("AliAnalysisCombinedHadronSpectra::GetProcessType : Pythia process type found: %d \n",pythiaGenHeader->ProcessType());
- }
-
- return pythiaGenHeader->ProcessType();
-}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff