#include <AliStack.h>
#include <AliHeader.h>
#include <AliGenEventHeader.h>
-#include <../PYTHIA6/AliGenPythiaEventHeader.h>
-#include <../EVGEN/AliGenCocktailEventHeader.h>
+#include <../STEER/AliGenPythiaEventHeader.h>
+#include <../STEER/AliGenCocktailEventHeader.h>
-#include "esdTrackCuts/AliESDtrackCuts.h"
+#include "AliESDtrackCuts.h"
#include "AliPWG0Helper.h"
-#include "AliPWG0depHelper.h"
#include "dNdEta/AlidNdEtaCorrection.h"
ClassImp(AlidNdEtaSystematicsSelector)
printf("Running AlidNdEtaSystematicsSelector with options %s\n", option.Data());
+ // Options: secondaries particle-composition sigma-vertex vertexreco triggerbias
+
if (option.Contains("secondaries"))
{
fSecondaries = new TH2F("fSecondaries", "fSecondaries;Case;N", 8, 0.5, 8.5, 2001, -0.5, 2000.5);
return kFALSE;
}
- TObjArray* list = fEsdTrackCuts->GetAcceptedTracks(fESD);
-
- if (fMultiplicityMode == 1 && list->GetEntries() > 20 ||
- fMultiplicityMode == 2 && list->GetEntries() < 40)
- {
- delete list;
- list = 0;
- return kTRUE;
- }
-
- if (fdNdEtaCorrectionSpecies[0])
- FillCorrectionMaps(list);
-
- if (fSecondaries)
- FillSecondaries();
-
- if (fSigmaVertex)
- FillSigmaVertex();
-
+ // --------------------------------------------------------------
+ // related to events:
+ //
// stuff for vertex reconstruction correction systematics
Bool_t vertexRecoStudy = kFALSE;
Bool_t triggerBiasStudy = kFALSE;
- if (fdNdEtaCorrectionVertexReco[0]) vertexRecoStudy = kTRUE;
+ if (fdNdEtaCorrectionVertexReco[0]) vertexRecoStudy = kTRUE;
if (fdNdEtaCorrectionTriggerBias[0]) triggerBiasStudy = kTRUE;
- if (vertexRecoStudy || triggerBiasStudy) {
- AliHeader* header = GetHeader();
- if (!header) {
- AliDebug(AliLog::kError, "Header not available");
- return kFALSE;
- }
-
- // getting process information
- Int_t processtype = AliPWG0depHelper::GetPythiaEventProcessType(header);
-
- AliDebug(AliLog::kInfo, Form("Pythia process type %d.",processtype));
-
- // can only read pythia headers, either directly or from cocktalil header
- AliGenEventHeader* genHeader = (AliGenEventHeader*)(header->GenEventHeader());
-
- if (!genHeader) {
- AliDebug(AliLog::kError, "Gen header not available");
- return kFALSE;
- }
-
- // get the MC vertex
- TArrayF vtxMC(3);
- genHeader->PrimaryVertex(vtxMC);
-
- Int_t nGoodTracks = list->GetEntries();
-
- Bool_t eventTriggered = AliPWG0Helper::IsEventTriggered(fESD);
- Bool_t vertexReconstructed = AliPWG0Helper::IsVertexReconstructed(fESD);
-
- // non diffractive
- if (processtype!=92 && processtype!=93 && processtype!=94) {
- if (triggerBiasStudy) fdNdEtaCorrectionTriggerBias[0]->FillEventAll(vtxMC[2], nGoodTracks);
-
- if (eventTriggered) {
- if (triggerBiasStudy) fdNdEtaCorrectionTriggerBias[0]->FillEventWithTrigger(vtxMC[2], nGoodTracks);
- if (vertexRecoStudy) fdNdEtaCorrectionVertexReco[0]->FillEventWithTrigger(vtxMC[2], nGoodTracks);
-
- if (vertexReconstructed)
- if (vertexRecoStudy) fdNdEtaCorrectionVertexReco[0]->FillEventWithTriggerWithReconstructedVertex(vtxMC[2], nGoodTracks);
- }
- }
-
- // single diffractive
- if (processtype==92 || processtype==93) {
- if (triggerBiasStudy) fdNdEtaCorrectionTriggerBias[1]->FillEventAll(vtxMC[2], nGoodTracks);
-
- if (eventTriggered) {
- if (triggerBiasStudy) fdNdEtaCorrectionTriggerBias[1]->FillEventWithTrigger(vtxMC[2], nGoodTracks);
- if (vertexRecoStudy) fdNdEtaCorrectionVertexReco[1]->FillEventWithTrigger(vtxMC[2], nGoodTracks);
-
- if (vertexReconstructed)
- if (vertexRecoStudy) fdNdEtaCorrectionVertexReco[1]->FillEventWithTriggerWithReconstructedVertex(vtxMC[2], nGoodTracks);
- }
- }
-
- // double diffractive
- if (processtype==94) {
- if (triggerBiasStudy) fdNdEtaCorrectionTriggerBias[2]->FillEventAll(vtxMC[2], nGoodTracks);
-
- if (eventTriggered) {
- if (triggerBiasStudy) fdNdEtaCorrectionTriggerBias[2]->FillEventWithTrigger(vtxMC[2], nGoodTracks);
- if (vertexRecoStudy) fdNdEtaCorrectionVertexReco[2]->FillEventWithTrigger(vtxMC[2], nGoodTracks);
-
- if (vertexReconstructed)
- if (vertexRecoStudy) fdNdEtaCorrectionVertexReco[2]->FillEventWithTriggerWithReconstructedVertex(vtxMC[2], nGoodTracks);
- }
- }
- }
-
- delete list;
- list = 0;
-
- return kTRUE;
-}
-
-void AlidNdEtaSystematicsSelector::FillCorrectionMaps(TObjArray* listOfTracks)
-{
- // fills the correction maps for different particle species
-
- // TODO fix the use of the FillParticle* functions
-
- AliStack* stack = GetStack();
AliHeader* header = GetHeader();
+ if (!header) {
+ AliDebug(AliLog::kError, "Header not available");
+ return kFALSE;
+ }
+
+ // getting process information
+ Int_t processtype = AliPWG0Helper::GetEventProcessType(header);
- Bool_t vertexReconstructed = AliPWG0Helper::IsVertexReconstructed(fESD);
- Bool_t eventTriggered = AliPWG0Helper::IsEventTriggered(fESD);
-
+ // can only read pythia headers, either directly or from cocktalil header
+ AliGenEventHeader* genHeader = (AliGenEventHeader*)(header->GenEventHeader());
+
+ if (!genHeader) {
+ AliDebug(AliLog::kError, "Gen header not available");
+ return kFALSE;
+ }
+
// get the MC vertex
- AliGenEventHeader* genHeader = header->GenEventHeader();
-
TArrayF vtxMC(3);
genHeader->PrimaryVertex(vtxMC);
+
+ TObjArray* listOfTracks = fEsdTrackCuts->GetAcceptedTracks(fESD);
+ Int_t nGoodTracks = listOfTracks->GetEntries();
+
+ Bool_t eventTriggered = AliPWG0Helper::IsEventTriggered(fESD);
+ Bool_t vertexReconstructed = AliPWG0Helper::IsVertexReconstructed(fESD);
+
+ // non diffractive
+ if (processtype == AliPWG0Helper::kND) {
+ // NB: passing the wrong process type here (1), since the process type is defined by the index in the array (here non-diffractive) // ???? CKB ???
+ if (triggerBiasStudy) fdNdEtaCorrectionTriggerBias[0]->FillEvent(vtxMC[2], nGoodTracks, eventTriggered, vertexReconstructed, 1);
+ if (vertexRecoStudy) fdNdEtaCorrectionVertexReco[0] ->FillEvent(vtxMC[2], nGoodTracks, eventTriggered, vertexReconstructed, 1);
+ }
+
+ // single diffractive
+ if (processtype == AliPWG0Helper::kSD) {
+ if (triggerBiasStudy) fdNdEtaCorrectionTriggerBias[1]->FillEvent(vtxMC[2], nGoodTracks, eventTriggered, vertexReconstructed, 1);
+ if (vertexRecoStudy) fdNdEtaCorrectionVertexReco[1] ->FillEvent(vtxMC[2], nGoodTracks, eventTriggered, vertexReconstructed, 1);
+ }
+
+ // double diffractive
+ if (processtype==AliPWG0Helper::kDD) {
+ if (triggerBiasStudy) fdNdEtaCorrectionTriggerBias[2]->FillEvent(vtxMC[2], nGoodTracks, eventTriggered, vertexReconstructed, 1);
+ if (vertexRecoStudy) fdNdEtaCorrectionVertexReco[2] ->FillEvent(vtxMC[2], nGoodTracks, eventTriggered, vertexReconstructed, 1);
+ }
+
+ for (Int_t i=0; i<4; ++i) {
+ if (fdNdEtaCorrectionSpecies[i])
+ fdNdEtaCorrectionSpecies[i]->FillEvent(vtxMC[2], nGoodTracks, eventTriggered, vertexReconstructed, 1);
+ }
+
+ // --------------------------------------------------------------
+ // MC particle loop
+ //
- // loop over mc particles
Int_t nPrim = stack->GetNprimary();
for (Int_t iMc = 0; iMc < nPrim; ++iMc)
{
TParticle* particle = stack->Particle(iMc);
-
+
if (!particle)
{
AliDebug(AliLog::kError, Form("UNEXPECTED: particle with label %d not found in stack (mc loop).", iMc));
if (AliPWG0Helper::IsPrimaryCharged(particle, nPrim) == kFALSE)
continue;
-
+
if (SignOK(particle->GetPDG()) == kFALSE)
continue;
-
+
Float_t eta = particle->Eta();
Float_t pt = particle->Pt();
-
+
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;
}
- if (vertexReconstructed && eventTriggered)
- {
- fdNdEtaCorrectionSpecies[id]->FillParticleVertex(vtxMC[2], eta, pt);
+ if (eventTriggered & vertexReconstructed) {
+ if (fdNdEtaCorrectionSpecies[id])
+ fdNdEtaCorrectionSpecies[id]->FillMCParticle(vtxMC[2], eta, pt, eventTriggered, vertexReconstructed, 1);
//if (pt < 0.1)
- fPIDParticles->Fill(particle->GetPdgCode());
+ if (fPIDParticles)
+ fPIDParticles->Fill(particle->GetPdgCode());
+ }
+
+ // non diffractive
+ if (processtype==AliPWG0Helper::kND) {
+ if (triggerBiasStudy) fdNdEtaCorrectionTriggerBias[0]->FillMCParticle(vtxMC[2], eta, pt, eventTriggered, vertexReconstructed, 1);
+ if (vertexRecoStudy) fdNdEtaCorrectionVertexReco[0] ->FillMCParticle(vtxMC[2], eta, pt, eventTriggered, vertexReconstructed, 1);
+ }
+ // single diffractive
+ if (processtype==AliPWG0Helper::kSD) {
+ if (triggerBiasStudy) fdNdEtaCorrectionTriggerBias[1]->FillMCParticle(vtxMC[2], eta, pt, eventTriggered, vertexReconstructed, 1);
+ if (vertexRecoStudy) fdNdEtaCorrectionVertexReco[1] ->FillMCParticle(vtxMC[2], eta, pt, eventTriggered, vertexReconstructed, 1);
+ }
+ // double diffractive
+ if (processtype==AliPWG0Helper::kDD) {
+ if (triggerBiasStudy) fdNdEtaCorrectionTriggerBias[2]->FillMCParticle(vtxMC[2], eta, pt, eventTriggered, vertexReconstructed, 1);
+ if (vertexRecoStudy) fdNdEtaCorrectionVertexReco[2] ->FillMCParticle(vtxMC[2], eta, pt, eventTriggered, vertexReconstructed, 1);
}
- //fdNdEtaCorrectionSpecies[id]->FillParticleAllEvents(eta, pt);
- //if (eventTriggered)
- // fdNdEtaCorrectionSpecies[id]->FillParticleWhenEventTriggered(eta, pt);
}// end of mc particle
+
+ // --------------------------------------------------------------
+ // ESD track loop
+ //
+
+ if (fMultiplicityMode == 1 && listOfTracks->GetEntries() > 20 ||
+ fMultiplicityMode == 2 && listOfTracks->GetEntries() < 40)
+ {
+ delete listOfTracks;
+ listOfTracks = 0;
+ return kTRUE;
+ }
+
// loop over esd tracks
TIterator* iter = listOfTracks->MakeIterator();
TObject* obj = 0;
{
AliESDtrack* esdTrack = dynamic_cast<AliESDtrack*> (obj);
if (!esdTrack)
- continue;
+ continue;
// using the properties of the mc particle
Int_t label = TMath::Abs(esdTrack->GetLabel());
continue;
}
- TParticle* mother = particle;
- // find primary particle that created this particle
- while (label >= nPrim)
- {
- //printf("Particle %d (pdg %d) is not a primary. Let's check its mother %d\n", label, mother->GetPdgCode(), mother->GetMother(0));
-
- if (mother->GetMother(0) == -1)
- {
- AliDebug(AliLog::kError, Form("UNEXPECTED: Could not find mother of secondary particle %d.", label));
- mother = 0;
- break;
- }
-
- label = mother->GetMother(0);
+ Float_t eta = particle->Eta();
+ Float_t pt = particle->Pt();
+
+ // non diffractive
+ if (processtype==AliPWG0Helper::kND) {
+ if (triggerBiasStudy) fdNdEtaCorrectionTriggerBias[0]->FillTrackedParticle(vtxMC[2], eta, pt);
+ if (vertexRecoStudy) fdNdEtaCorrectionVertexReco[0] ->FillTrackedParticle(vtxMC[2], eta, pt);
+ }
+
+ // single diffractive
+ if (processtype==AliPWG0Helper::kSD) {
+ if (triggerBiasStudy) fdNdEtaCorrectionTriggerBias[1]->FillTrackedParticle(vtxMC[2], eta, pt);
+ if (vertexRecoStudy) fdNdEtaCorrectionVertexReco[1] ->FillTrackedParticle(vtxMC[2], eta, pt);
+ }
- mother = stack->Particle(label);
- if (!mother)
- {
- AliDebug(AliLog::kError, Form("UNEXPECTED: particle with label %d not found in stack (find mother loop).", label));
- break;
- }
+ // double diffractive
+ if (processtype==AliPWG0Helper::kDD) {
+ if (triggerBiasStudy) fdNdEtaCorrectionTriggerBias[2]->FillTrackedParticle(vtxMC[2], eta, pt);
+ if (vertexRecoStudy) fdNdEtaCorrectionVertexReco[2] ->FillTrackedParticle(vtxMC[2], eta, pt);
}
+ // find primary particle that created this particle
+ TParticle* mother = AliPWG0Helper::FindPrimaryMother(stack, label);
if (!mother)
continue;
default: id = 3; break;
}
- if (vertexReconstructed && eventTriggered)
- {
- fdNdEtaCorrectionSpecies[id]->FillParticleTracked(vtxMC[2], particle->Eta(), particle->Pt());
- //if (particle->Pt() < 0.1)
- fPIDTracks->Fill(particle->GetPdgCode());
+ if (vertexReconstructed && eventTriggered) {
+ if (fdNdEtaCorrectionSpecies[id])
+ fdNdEtaCorrectionSpecies[id]->FillTrackedParticle(vtxMC[2], eta, pt);
+ //if (pt < 0.1)
+ if (fPIDTracks)
+ fPIDTracks->Fill(particle->GetPdgCode());
}
} // end of track loop
- Int_t nGoodTracks = listOfTracks->GetEntries();
-
- for (Int_t i=0; i<4; ++i)
- {
- fdNdEtaCorrectionSpecies[i]->FillEventAll(vtxMC[2], nGoodTracks);
- if (eventTriggered)
- {
- fdNdEtaCorrectionSpecies[i]->FillEventWithTrigger(vtxMC[2], nGoodTracks);
- if (vertexReconstructed)
- fdNdEtaCorrectionSpecies[i]->FillEventWithTriggerWithReconstructedVertex(vtxMC[2], nGoodTracks);
- }
- }
-
+
delete iter;
iter = 0;
+
+ if (fSecondaries)
+ FillSecondaries();
+
+ if (fSigmaVertex)
+ FillSigmaVertex();
+
+
+ delete listOfTracks;
+ listOfTracks = 0;
+
+ return kTRUE;
}
void AlidNdEtaSystematicsSelector::FillSecondaries()
{
// fills the secondary histograms
-
+
AliStack* stack = GetStack();
Int_t particlesPrimaries = 0;
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff