#include <TVector3.h>
#include <TChain.h>
#include <TFile.h>
+#include <TH1D.h>
#include <TH2F.h>
#include <TH3F.h>
#include <TParticle.h>
fOption(opt),
fAnalysisMode(AliPWG0Helper::kSPD),
fTrigger(AliPWG0Helper::kMB1),
+ fDeltaPhiCut(-1),
fReadMC(kFALSE),
fUseMCVertex(kFALSE),
fMultiplicity(0),
fSystSkipParticles(kFALSE),
fSelectProcessType(0),
fParticleSpecies(0),
+ fdNdpT(0),
fPtSpectrum(0),
fOutput(0)
{
// Constructor. Initialization of pointers
//
- for (Int_t i = 0; i<4; i++)
+ for (Int_t i = 0; i<8; i++)
fParticleCorrection[i] = 0;
// Define input and output slots here
Printf("ERROR: Could not read tree from input slot 0");
} else {
// Disable all branches and enable only the needed ones
+ /*
tree->SetBranchStatus("*", 0);
tree->SetBranchStatus("AliESDHeader*", 1);
//AliESDtrackCuts::EnableNeededBranches(tree);
tree->SetBranchStatus("Tracks*", 1);
}
+ */
AliESDInputHandler *esdH = dynamic_cast<AliESDInputHandler*> (AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler());
fMultiplicity = new AliMultiplicityCorrection("Multiplicity", "Multiplicity");
fOutput->Add(fMultiplicity);
+
+ fdNdpT = new TH1F("fdNdpT", "fdNdpT", 1000, 0, 10);
+ fdNdpT->Sumw2();
+ fOutput->Add(fdNdpT);
if (fOption.Contains("skip-particles"))
{
}
if (fOption.Contains("particle-efficiency"))
- for (Int_t i = 0; i<4; i++)
+ for (Int_t i = 0; i<8; i++)
{
fParticleCorrection[i] = new AliCorrection(Form("correction_%d", i), Form("correction_%d", i));
fOutput->Add(fParticleCorrection[i]);
TString subStr(fOption(fOption.Index("pt-spectrum")+17, 3));
TString histName(Form("ptspectrum_%s", subStr.Data()));
AliInfo(Form("Pt-Spectrum modification. Using %s.", histName.Data()));
- fPtSpectrum = (TH1*) file->Get(histName);
- if (!fPtSpectrum)
- AliError("Histogram not found");
+ fPtSpectrum = (TH1D*) file->Get(histName);
+ if (!fPtSpectrum)
+ AliError("Histogram not found");
}
else
AliError("Could not open ptspectrum_fit.root. Pt Spectrum study could not be enabled.");
-
- if (fPtSpectrum)
- AliInfo("WARNING: Systematic study enabled. Pt spectrum will be modified");
}
if (fOption.Contains("pt-spectrum-func"))
{
if (fPtSpectrum)
{
- Printf("Using function from input list for systematic p_t study");
+ Printf("Using function for systematic p_t study");
}
else
{
- fPtSpectrum = new TH1F("fPtSpectrum", "fPtSpectrum", 1, 0, 100);
+ Printf("ERROR: Could not find function for systematic p_t study");
+ fPtSpectrum = new TH1D("fPtSpectrum", "fPtSpectrum", 1, 0, 100);
fPtSpectrum->SetBinContent(1, 1);
}
-
- if (fPtSpectrum)
- AliInfo("WARNING: Systematic study enabled. Pt spectrum will be modified");
}
+ if (fPtSpectrum)
+ Printf("WARNING: Systematic study enabled. Pt spectrum will be modified");
+
if (fOption.Contains("particle-species")) {
fParticleSpecies = new TNtuple("fParticleSpecies", "fParticleSpecies", "vtx:Pi_True:K_True:p_True:o_True:Pi_Rec:K_Rec:p_Rec:o_Rec:nolabel:doublePrim:doubleCount");
fOutput->Add(fParticleSpecies);
return;
}
- Bool_t eventTriggered = AliPWG0Helper::IsEventTriggered(fESD->GetTriggerMask(), fTrigger);
+ Bool_t eventTriggered = AliPWG0Helper::IsEventTriggered(fESD, fTrigger);
const AliESDVertex* vtxESD = AliPWG0Helper::GetVertex(fESD, fAnalysisMode);
Bool_t eventVertex = (vtxESD != 0);
// post the data already here
PostData(0, fOutput);
-
+
//const Float_t kPtCut = 0.3;
// create list of (label, eta) tuples
{
//printf("%d %f %f %f\n", i, mult->GetTheta(i), mult->GetPhi(i), mult->GetDeltaPhi(i));
- // This removes non-tracklets in PDC06 data. Very bad solution. New solution is implemented for newer data. Keeping this for compatibility.
- if (mult->GetDeltaPhi(i) < -1000)
+ Float_t deltaPhi = mult->GetDeltaPhi(i);
+
+ if (fDeltaPhiCut > 0 && TMath::Abs(deltaPhi) > fDeltaPhiCut)
continue;
etaArr[inputCount] = mult->GetEta(i);
- // TODO add second label array
- labelArr[inputCount] = mult->GetLabel(i, 0);
+ if (mult->GetLabel(i, 0) == mult->GetLabel(i, 1))
+ {
+ labelArr[inputCount] = mult->GetLabel(i, 0);
+ }
+ else
+ labelArr[inputCount] = -1;
+
++inputCount;
}
}
return;
}
- // get multiplicity from ESD tracks
- TObjArray* list = fEsdTrackCuts->GetAcceptedTracks(fESD, (fAnalysisMode == AliPWG0Helper::kTPC));
- Int_t nGoodTracks = list->GetEntries();
-
- labelArr = new Int_t[nGoodTracks];
- etaArr = new Float_t[nGoodTracks];
-
- // loop over esd tracks
- for (Int_t i=0; i<nGoodTracks; i++)
+ if (vtxESD)
{
- AliESDtrack* esdTrack = dynamic_cast<AliESDtrack*> (list->At(i));
- if (!esdTrack)
+ // get multiplicity from ESD tracks
+ TObjArray* list = fEsdTrackCuts->GetAcceptedTracks(fESD, (fAnalysisMode == AliPWG0Helper::kTPC));
+ Int_t nGoodTracks = list->GetEntries();
+
+ labelArr = new Int_t[nGoodTracks];
+ etaArr = new Float_t[nGoodTracks];
+
+ // loop over esd tracks
+ for (Int_t i=0; i<nGoodTracks; i++)
{
- AliDebug(AliLog::kError, Form("ERROR: Could not retrieve track %d.", i));
- continue;
+ AliESDtrack* esdTrack = dynamic_cast<AliESDtrack*> (list->At(i));
+ if (!esdTrack)
+ {
+ AliDebug(AliLog::kError, Form("ERROR: Could not retrieve track %d.", i));
+ continue;
+ }
+
+ etaArr[inputCount] = esdTrack->Eta();
+ labelArr[inputCount] = TMath::Abs(esdTrack->GetLabel());
+ ++inputCount;
}
-
- etaArr[inputCount] = esdTrack->Eta();
- labelArr[inputCount] = TMath::Abs(esdTrack->GetLabel());
- ++inputCount;
+
+ delete list;
}
-
- delete list;
}
// eta range for nMCTracksSpecies, nESDTracksSpecies
case AliPWG0Helper::kInvalid: break;
case AliPWG0Helper::kTPC:
case AliPWG0Helper::kTPCITS:
- etaRange = 0.9; break;
- case AliPWG0Helper::kSPD: etaRange = 2.0; break;
+ etaRange = 1.0; break;
+ case AliPWG0Helper::kSPD: etaRange = 1.0; break;
}
if (!fReadMC) // Processing of ESD information
if (eventTriggered && eventVertex)
{
Int_t nESDTracks05 = 0;
- Int_t nESDTracks09 = 0;
+ Int_t nESDTracks10 = 0;
Int_t nESDTracks15 = 0;
Int_t nESDTracks20 = 0;
if (TMath::Abs(eta) < 0.5)
nESDTracks05++;
- if (TMath::Abs(eta) < 0.9)
- nESDTracks09++;
+ if (TMath::Abs(eta) < 1.0)
+ nESDTracks10++;
if (TMath::Abs(eta) < 1.5)
nESDTracks15++;
nESDTracks20++;
}
- fMultiplicity->FillMeasured(vtx[2], nESDTracks05, nESDTracks09, nESDTracks15, nESDTracks20);
+ fMultiplicity->FillMeasured(vtx[2], nESDTracks05, nESDTracks10, nESDTracks15, nESDTracks20);
}
}
else if (fReadMC) // Processing of MC information
AliDebug(AliLog::kError, "Stack not available");
return;
}
-
+
AliHeader* header = mcEvent->Header();
if (!header)
{
vtx[2] = vtxMC[2];
}
+
+ // get process information
+ AliPWG0Helper::MCProcessType processType = AliPWG0Helper::GetEventProcessType(header);
Bool_t processEvent = kTRUE;
if (fSelectProcessType > 0)
{
- // getting process information; NB: this only works for Pythia
- Int_t processtype = AliPWG0Helper::GetEventProcessType(header);
-
processEvent = kFALSE;
// non diffractive
- if (fSelectProcessType == 1 && processtype == AliPWG0Helper::kND )
+ if (fSelectProcessType == 1 && processType == AliPWG0Helper::kND)
processEvent = kTRUE;
// single diffractive
- if (fSelectProcessType == 2 && processtype == AliPWG0Helper::kSD )
+ if (fSelectProcessType == 2 && processType == AliPWG0Helper::kSD)
processEvent = kTRUE;
// double diffractive
- if (fSelectProcessType == 3 && processtype == AliPWG0Helper::kDD )
+ if (fSelectProcessType == 3 && processType == AliPWG0Helper::kDD)
processEvent = kTRUE;
if (!processEvent)
- AliDebug(AliLog::kDebug, Form("Skipping this event, because it is not of the requested process type (%d)", processtype));
+ Printf("Skipping this event, because it is not of the requested process type (%d)", (Int_t) processType);
}
- // systematic study: 10% lower efficiency
- if (fSystSkipParticles && (gRandom->Uniform() < 0.1))
- processEvent = kFALSE;
-
if (processEvent)
{
// get the MC vertex
// tracks in different eta ranges
Int_t nMCTracks05 = 0;
- Int_t nMCTracks09 = 0;
+ Int_t nMCTracks10 = 0;
Int_t nMCTracks15 = 0;
Int_t nMCTracks20 = 0;
Int_t nMCTracksAll = 0;
if (TMath::Abs(particle->Eta()) < 0.5)
nMCTracks05 += particleWeight;
- if (TMath::Abs(particle->Eta()) < 0.9)
- nMCTracks09 += particleWeight;
+ if (TMath::Abs(particle->Eta()) < 1.0)
+ nMCTracks10 += particleWeight;
if (TMath::Abs(particle->Eta()) < 1.5)
nMCTracks15 += particleWeight;
nMCTracks20 += particleWeight;
nMCTracksAll += particleWeight;
+
+ if (particle->Pt() > 0 && TMath::Abs(particle->Eta()) < 1.0)
+ fdNdpT->Fill(particle->Pt(), 1.0 / particle->Pt());
if (fParticleCorrection[0] || fParticleSpecies)
{
}
} // end of mc particle
- fMultiplicity->FillGenerated(vtxMC[2], eventTriggered, eventVertex, (Int_t) nMCTracks05, (Int_t) nMCTracks09, (Int_t) nMCTracks15, (Int_t) nMCTracks20, (Int_t) nMCTracksAll);
+ fMultiplicity->FillGenerated(vtxMC[2], eventTriggered, eventVertex, processType, (Int_t) nMCTracks05, (Int_t) nMCTracks10, (Int_t) nMCTracks15, (Int_t) nMCTracks20, (Int_t) nMCTracksAll);
if (eventTriggered && eventVertex)
{
Int_t nESDTracks05 = 0;
- Int_t nESDTracks09 = 0;
+ Int_t nESDTracks10 = 0;
Int_t nESDTracks15 = 0;
Int_t nESDTracks20 = 0;
for (Int_t i=0; i<nPrim; i++)
foundPrimaries[i] = kFALSE;
+ Bool_t* foundPrimaries2 = new Bool_t[nPrim]; // to prevent double counting
+ for (Int_t i=0; i<nPrim; i++)
+ foundPrimaries2[i] = kFALSE;
+
Bool_t* foundTracks = new Bool_t[nMCPart]; // to prevent double counting
for (Int_t i=0; i<nMCPart; i++)
foundTracks[i] = kFALSE;
Int_t particleWeight = 1;
+ // systematic study: 5% lower efficiency
+ if (fSystSkipParticles && (gRandom->Uniform() < 0.05))
+ continue;
+
// in case of systematic study, weight according to the change of the pt spectrum
if (fPtSpectrum)
{
if (TMath::Abs(eta) < 0.5)
nESDTracks05 += particleWeight;
- if (TMath::Abs(eta) < 0.9)
- nESDTracks09 += particleWeight;
+ if (TMath::Abs(eta) < 1.0)
+ nESDTracks10 += particleWeight;
if (TMath::Abs(eta) < 1.5)
nESDTracks15 += particleWeight;
nESDTracks20 += particleWeight;
- if (fParticleCorrection[0] || fParticleSpecies)
+ if (fParticleSpecies)
{
Int_t motherLabel = -1;
TParticle* mother = 0;
// count tracks that did not have a label
if (TMath::Abs(eta) < etaRange)
nESDTracksSpecies[4]++;
- continue;
}
-
- // get particle type (pion, proton, kaon, other)
- Int_t id = -1;
- switch (TMath::Abs(mother->GetPdgCode()))
+ else
{
- case 211: id = 0; break;
- case 321: id = 1; break;
- case 2212: id = 2; break;
- default: id = 3; break;
+ // get particle type (pion, proton, kaon, other) of mother
+ Int_t idMother = -1;
+ switch (TMath::Abs(mother->GetPdgCode()))
+ {
+ case 211: idMother = 0; break;
+ case 321: idMother = 1; break;
+ case 2212: idMother = 2; break;
+ default: idMother = 3; break;
+ }
+
+ // double counting is ok for particle ratio study
+ if (TMath::Abs(eta) < etaRange)
+ nESDTracksSpecies[idMother]++;
+
+ // double counting is not ok for efficiency study
+
+ // check if we already counted this particle, this way distinguishes double counted particles (bug/artefact in tracking) or double counted primaries due to secondaries (physics)
+ if (foundTracks[label])
+ {
+ if (TMath::Abs(eta) < etaRange)
+ nESDTracksSpecies[6]++;
+ }
+ else
+ {
+ foundTracks[label] = kTRUE;
+
+ // particle (primary) already counted?
+ if (foundPrimaries[motherLabel])
+ {
+ if (TMath::Abs(eta) < etaRange)
+ nESDTracksSpecies[5]++;
+ }
+ else
+ foundPrimaries[motherLabel] = kTRUE;
+ }
}
+ }
+
+ if (fParticleCorrection[0])
+ {
+ if (label >= 0 && stack->IsPhysicalPrimary(label))
+ {
+ TParticle* particle = stack->Particle(label);
- // double counting is ok for particle ratio study
- if (TMath::Abs(eta) < etaRange)
- nESDTracksSpecies[id]++;
+ // get particle type (pion, proton, kaon, other)
+ Int_t id = -1;
+ switch (TMath::Abs(particle->GetPdgCode()))
+ {
+ case 211: id = 0; break;
+ case 321: id = 1; break;
+ case 2212: id = 2; break;
+ default: id = 3; break;
+ }
- // double counting is not ok for efficiency study
+ // todo check if values are not completely off??
- // check if we already counted this particle, this way distinguishes double counted particles (bug/artefact in tracking) or double counted primaries due to secondaries (physics)
- if (foundTracks[label])
+ // particle (primary) already counted?
+ if (!foundPrimaries2[label])
+ {
+ foundPrimaries2[label] = kTRUE;
+ fParticleCorrection[id]->GetTrackCorrection()->FillMeas(vtxMC[2], particle->Eta(), particle->Pt());
+ }
+ }
+ }
+ }
+
+ if (fParticleCorrection[0])
+ {
+ // if the particle decays/stops before this radius we do not see it
+ // 8cm larger than SPD layer 2
+ // 123cm TPC radius where a track has about 50 clusters (cut limit)
+ const Float_t endRadius = (fAnalysisMode == AliPWG0Helper::kSPD) ? 8. : 123;
+
+ // loop over all primaries that have not been found
+ for (Int_t i=0; i<nPrim; i++)
+ {
+ // already found
+ if (foundPrimaries2[i])
+ continue;
+
+ TParticle* particle = 0;
+ TClonesArray* trackrefs = 0;
+ mcEvent->GetParticleAndTR(i, particle, trackrefs);
+
+ // true primary and charged
+ if (!AliPWG0Helper::IsPrimaryCharged(particle, nPrim))
+ continue;
+
+ //skip particles with larger |eta| than 3, to keep the log clean, is anyway not included in correction map
+ if (TMath::Abs(particle->Eta()) > 3)
+ continue;
+
+ // skipping checking of process type of daughter: Neither kPBrem, kPDeltaRay nor kPCerenkov should appear in the event generation
+
+ // get particle type (pion, proton, kaon, other)
+ Int_t id = -1;
+ switch (TMath::Abs(particle->GetPdgCode()))
{
- if (TMath::Abs(eta) < etaRange)
- nESDTracksSpecies[6]++;
+ case 211: id = 4; break;
+ case 321: id = 5; break;
+ case 2212: id = 6; break;
+ default: id = 7; break;
+ }
+
+ if (!fParticleCorrection[id])
+ continue;
+
+ // get last track reference
+ AliTrackReference* trackref = dynamic_cast<AliTrackReference*> (trackrefs->Last());
+
+ if (!trackref)
+ {
+ Printf("ERROR: Could not get trackref of %d (count %d)", i, trackrefs->GetEntries());
+ particle->Print();
continue;
}
- foundTracks[label] = kTRUE;
-
- // particle (primary) already counted?
- if (foundPrimaries[motherLabel])
+
+ // particle in tracking volume long enough...
+ if (trackref->R() > endRadius)
+ continue;
+
+ if (particle->GetLastDaughter() >= 0)
{
- if (TMath::Abs(eta) < etaRange)
- nESDTracksSpecies[5]++;
+ Int_t uID = stack->Particle(particle->GetLastDaughter())->GetUniqueID();
+ //if (uID != kPBrem && uID != kPDeltaRay && uID < kPCerenkov)
+ if (uID == kPDecay)
+ {
+ // decayed
+
+ Printf("Particle %d (%s) decayed at %f, daugher uniqueID: %d:", i, particle->GetName(), trackref->R(), uID);
+ particle->Print();
+ Printf("Daughers:");
+ for (Int_t d = particle->GetFirstDaughter(); d <= particle->GetLastDaughter(); d++)
+ stack->Particle(d)->Print();
+ Printf("");
+
+ fParticleCorrection[id]->GetTrackCorrection()->FillGene(vtxMC[2], particle->Eta(), particle->Pt());
+ continue;
+ }
+ }
+
+ if (trackref->DetectorId() == -1)
+ {
+ // stopped
+ Printf("Particle %d stopped at %f:", i, trackref->R());
+ particle->Print();
+ Printf("");
+
+ fParticleCorrection[id]->GetTrackCorrection()->FillMeas(vtxMC[2], particle->Eta(), particle->Pt());
continue;
}
- foundPrimaries[motherLabel] = kTRUE;
-
- if (fParticleCorrection[id])
- fParticleCorrection[id]->GetTrackCorrection()->FillMeas(vtxMC[2], mother->Eta(), mother->Pt());
+
+ Printf("Particle %d simply not tracked", i);
+ particle->Print();
+ Printf("");
}
}
-
+
delete[] foundTracks;
delete[] foundPrimaries;
+ delete[] foundPrimaries2;
- if ((Int_t) nMCTracks15 > 15 && nESDTracks15 <= 3)
+ if ((Int_t) nMCTracks15 > 10 && nESDTracks15 <= 3)
{
TTree* tree = dynamic_cast<TTree*> (GetInputData(0));
- printf("WARNING: Event %lld %s (vtx-z = %f) has %d generated and %d reconstructed...\n", tree->GetReadEntry(), tree->GetCurrentFile()->GetName(), vtxMC[2], nMCTracks15, nESDTracks15);
+ printf("WARNING: Event %lld %s (vtx-z = %f, recon: %f, contrib: %d, res: %f) has %d generated and %d reconstructed...\n", tree->GetReadEntry(), tree->GetCurrentFile()->GetName(), vtxMC[2], vtx[2], vtxESD->GetNContributors(), vtxESD->GetZRes(), nMCTracks15, nESDTracks15);
}
// fill response matrix using vtxMC (best guess)
- fMultiplicity->FillCorrection(vtxMC[2], nMCTracks05, nMCTracks09, nMCTracks15, nMCTracks20, nMCTracksAll, nESDTracks05, nESDTracks09, nESDTracks15, nESDTracks20);
+ fMultiplicity->FillCorrection(vtxMC[2], nMCTracks05, nMCTracks10, nMCTracks15, nMCTracks20, nMCTracksAll, nESDTracks05, nESDTracks10, nESDTracks15, nESDTracks20);
- fMultiplicity->FillMeasured(vtx[2], nESDTracks05, nESDTracks09, nESDTracks15, nESDTracks20);
+ fMultiplicity->FillMeasured(vtx[2], nESDTracks05, nESDTracks10, nESDTracks15, nESDTracks20);
if (fParticleSpecies)
fParticleSpecies->Fill(vtxMC[2], nMCTracksSpecies[0], nMCTracksSpecies[1], nMCTracksSpecies[2], nMCTracksSpecies[3], nESDTracksSpecies[0], nESDTracksSpecies[1], nESDTracksSpecies[2], nESDTracksSpecies[3], nESDTracksSpecies[4], nESDTracksSpecies[5], nESDTracksSpecies[6]);
}
}
- delete etaArr;
- delete labelArr;
+ if (etaArr)
+ delete[] etaArr;
+ if (labelArr)
+ delete[] labelArr;
}
void AliMultiplicityTask::Terminate(Option_t *)
}
fMultiplicity = dynamic_cast<AliMultiplicityCorrection*> (fOutput->FindObject("Multiplicity"));
- for (Int_t i = 0; i < 4; ++i)
+ for (Int_t i = 0; i < 8; ++i)
fParticleCorrection[i] = dynamic_cast<AliCorrection*> (fOutput->FindObject(Form("correction_%d", i)));
fParticleSpecies = dynamic_cast<TNtuple*> (fOutput->FindObject("fParticleSpecies"));
+
+ fdNdpT = dynamic_cast<TH1*> (fOutput->FindObject("fdNdpT"));
if (!fMultiplicity)
{
TFile* file = TFile::Open("multiplicity.root", "RECREATE");
fMultiplicity->SaveHistograms();
- for (Int_t i = 0; i < 4; ++i)
+ for (Int_t i = 0; i < 8; ++i)
if (fParticleCorrection[i])
fParticleCorrection[i]->SaveHistograms();
if (fParticleSpecies)
fParticleSpecies->Write();
+ if (fdNdpT)
+ fdNdpT->Write();
TObjString option(fOption);
option.Write();
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff