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Tracking the collision mutltiplicity #453

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Merged
victor-gonzalez merged 1 commit into from
Jan 17, 2022
Merged

Tracking the collision mutltiplicity #453

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14 changes: 13 additions & 1 deletion PWGCF/TableProducer/dptdptfilter.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -77,6 +77,8 @@ TH1F* fhCentMultB = nullptr;
TH1F* fhCentMultA = nullptr;
TH1F* fhVertexZB = nullptr;
TH1F* fhVertexZA = nullptr;
TH1F* fhMultB = nullptr;
TH1F* fhMultA = nullptr;
TH1F* fhPB = nullptr;
TH1F* fhPA[kDptDptNoOfSpecies] = {nullptr};
TH1F* fhPtB = nullptr;
Expand Down Expand Up @@ -430,10 +432,14 @@ struct DptDptFilter {
if (fSystem > kPbp) {
fhCentMultB = new TH1F("CentralityB", "Centrality before cut; centrality (%)", 100, 0, 100);
fhCentMultA = new TH1F("CentralityA", "Centrality; centrality (%)", 100, 0, 100);
fhMultB = new TH1F("V0MB", "V0 Multiplicity before cut;V0 Multiplicity;Collisions", 4001, -0.5, 4000.5);
fhMultA = new TH1F("V0MA", "V0 Multiplicity;V0 Multiplicity;Collisions", 4001, -0.5, 4000.5);
} else {
/* for pp, pPb and Pbp systems use multiplicity instead */
fhCentMultB = new TH1F("MultiplicityB", "Multiplicity before cut; multiplicity (%)", 100, 0, 100);
fhCentMultA = new TH1F("MultiplicityA", "Multiplicity; multiplicity (%)", 100, 0, 100);
fhMultB = new TH1F("V0MB", "V0 Multiplicity before cut;V0 Multiplicity;Collisions", 601, -0.5, 600.5);
fhMultA = new TH1F("V0MA", "V0 Multiplicity;V0 Multiplicity;Collisions", 601, -0.5, 600.5);
}

fhVertexZB = new TH1F("VertexZB", "Vertex Z; z_{vtx}", 60, -15, 15);
Expand Down Expand Up @@ -476,6 +482,8 @@ struct DptDptFilter {
/* add the hstograms to the output list */
fOutputList->Add(fhCentMultB);
fOutputList->Add(fhCentMultA);
fOutputList->Add(fhMultB);
fOutputList->Add(fhMultA);
fOutputList->Add(fhVertexZB);
fOutputList->Add(fhVertexZA);
fOutputList->Add(fhPB);
Expand Down Expand Up @@ -726,7 +734,7 @@ void DptDptFilter::filterParticles(ParticleListObject const& particles, MCCollis
}

template <typename TrackListObject>
void DptDptFilter::filterTracks(TrackListObject const& ftracks, int colix)
void DptDptFilter::filterTracks(TrackListObject const&, int)
{
LOGF(fatal, "Track filtering not implemented for the passed track table");
}
Expand Down Expand Up @@ -806,13 +814,17 @@ void DptDptFilter::processReconstructed(CollisionObject const& collision, Tracks

LOGF(DPTDPTFILTERLOGCOLLISIONS, "DptDptFilterTask::processReconstructed(). New collision with %d tracks", ftracks.size());

float mult = extractMultiplicity(collision);

fhCentMultB->Fill(passedcent);
fhMultB->Fill(mult);
fhVertexZB->Fill(collision.posZ());
bool acceptedevent = false;
float centormult = passedcent;
if (IsEvtSelected(collision, centormult)) {
acceptedevent = true;
fhCentMultA->Fill(centormult);
fhMultA->Fill(mult);
fhVertexZA->Fill(collision.posZ());
acceptedcollisions(collision.bcId(), collision.posZ(), acceptedevent, centormult);

Expand Down
43 changes: 36 additions & 7 deletions PWGCF/TableProducer/dptdptfilter.h
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@
#include "Framework/AnalysisTask.h"
#include "Framework/AnalysisDataModel.h"
#include "Common/DataModel/EventSelection.h"
#include "Common/DataModel/Multiplicity.h"
#include "Common/DataModel/Centrality.h"
#include "Common/DataModel/TrackSelectionTables.h"
#include "Common/Core/TrackSelection.h"
Expand All @@ -25,10 +26,10 @@ namespace o2
{
namespace aod
{
using CollisionsEvSelCent = soa::Join<aod::Collisions, aod::EvSels, aod::CentV0Ms>;
using CollisionEvSelCent = soa::Join<aod::Collisions, aod::EvSels, aod::CentV0Ms>::iterator;
using CollisionsEvSel = soa::Join<aod::Collisions, aod::EvSels>;
using CollisionEvSel = soa::Join<aod::Collisions, aod::EvSels>::iterator;
using CollisionsEvSelCent = soa::Join<aod::Collisions, aod::Mults, aod::EvSels, aod::CentV0Ms>;
using CollisionEvSelCent = soa::Join<aod::Collisions, aod::Mults, aod::EvSels, aod::CentV0Ms>::iterator;
using CollisionsEvSel = soa::Join<aod::Collisions, aod::Mults, aod::EvSels>;
using CollisionEvSel = soa::Join<aod::Collisions, aod::Mults, aod::EvSels>::iterator;
using TrackData = soa::Join<aod::Tracks, aod::TracksCov, aod::TracksExtra, aod::TracksExtended, aod::TrackSelection>::iterator;
} // namespace aod
namespace analysis
Expand Down Expand Up @@ -196,7 +197,7 @@ inline bool triggerSelectionReco(CollisionObject const& collision)

/// \brief Trigger selection by default: unknow subscribed collision table
template <typename CollisionObject>
inline bool triggerSelection(CollisionObject const& collision)
inline bool triggerSelection(CollisionObject const&)
{
LOGF(fatal, "Trigger selection not implemented for this kind of collisions");
return false;
Expand Down Expand Up @@ -232,11 +233,39 @@ inline bool triggerSelection<soa::Join<aod::CollisionsEvSelCent, aod::McCollisio

/// \brief Trigger selection for generator level collison table
template <>
inline bool triggerSelection<aod::McCollision>(aod::McCollision const& collision)
inline bool triggerSelection<aod::McCollision>(aod::McCollision const&)
{
return true;
}

//////////////////////////////////////////////////////////////////////////////////
/// Multiplicity extraction
//////////////////////////////////////////////////////////////////////////////////

/// \brief Extract the collision multiplicity from the event selection information
template <typename CollisionObject>
inline float extractMultiplicity(CollisionObject const& collision)
{
float mult = 0.0;
switch (fSystem) {
case kpp:
case kpPb:
case kPbp:
case kPbPb:
case kXeXe:
/* for the time being let's extract V0M */
mult = collision.multV0M();
break;
case kppRun3:
/* for the time being let's extract T0M */
mult = collision.multT0M();
break;
default:
break;
}
return mult;
}

//////////////////////////////////////////////////////////////////////////////////
/// Centrality selection
//////////////////////////////////////////////////////////////////////////////////
Expand Down Expand Up @@ -277,7 +306,7 @@ inline bool centralitySelectionNoMult(CollisionObject collision, float& centmult

/// \brief Centrality selection by default: unknown subscribed collision table
template <typename CollisionObject>
inline bool centralitySelection(CollisionObject const& collision, float& centmult)
inline bool centralitySelection(CollisionObject const&, float&)
{
LOGF(fatal, "Centrality selection not implemented for this kind of collisions");
return false;
Expand Down