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Merged
SwatiSaha-1997 merged 1 commit into from
May 3, 2026
+127 −10
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[PWGCF] Added process MC generated #16074

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137 changes: 127 additions & 10 deletions PWGCF/EbyEFluctuations/Tasks/v0ptHadPiKaProt.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -36,7 +36,7 @@
#include <Framework/runDataProcessing.h>
#include <ReconstructionDataFormats/PID.h>

#include "TDatabasePDG.h"

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[pdg/database] 

Do not use TDatabasePDG directly. Use o2::constants::physics::Mass... or Service<o2::framework::O2DatabasePDG> instead.
#include <TComplex.h>
#include <TF1.h>
#include <TH2.h>
Expand Down Expand Up @@ -166,6 +166,7 @@
TF1* fPtDepDCAz = nullptr;

O2_DEFINE_CONFIGURABLE(cfgUseSmallIonAdditionalEventCut, bool, true, "Use additional event cut on mult correlations for small ions")
O2_DEFINE_CONFIGURABLE(cfgUseSmallIonAdditionalEventCutInMC, bool, false, "Use additional event cut on mult correlations for small ions while using MC generated")
O2_DEFINE_CONFIGURABLE(cfgEvSelMultCorrelation, bool, true, "Multiplicity correlation cut")
O2_DEFINE_CONFIGURABLE(cfgEvSelV0AT0ACut, bool, true, "V0A T0A 5 sigma cut")
struct : ConfigurableGroup {
Expand Down Expand Up @@ -229,6 +230,9 @@

using MyMCRecCollisions = soa::Filtered<soa::Join<aod::Collisions, aod::EvSels, aod::CentFV0As, aod::CentFT0Ms, aod::CentFT0As, aod::CentFT0Cs, aod::Mults, aod::McCollisionLabels>>;
using MyMCTracks = soa::Filtered<soa::Join<aod::Tracks, aod::TracksExtra, aod::TracksDCA, aod::TrackSelection, aod::McTrackLabels, aod::pidTPCFullPr, aod::pidTOFFullPr, aod::pidTPCFullKa, aod::pidTOFFullKa, aod::pidTPCFullPi, aod::pidTOFFullPi, aod::pidTPCFullEl, aod::pidTOFFullEl>>;
using EventCandidatesMC = soa::Join<aod::Collisions, aod::EvSels, aod::McCollisionLabels, aod::CentFT0Cs, aod::CentFT0Ms, aod::CentFT0As, aod::CentFV0As, aod::Mults>;

Preslice<MyMCTracks> perCollision = aod::track::collisionId;
Preslice<aod::McParticles> perMcCollision = aod::mcparticle::mcCollisionId;

std::array<float, 6> tofNsigmaCut;
Expand Down Expand Up @@ -357,9 +361,9 @@
histos.add("h2DnsigmaPionTofVsPtAfterCut", "2D hist of nSigmaTOF vs. pT (pion)", kTH2F, {ptAxis, nSigmaAxis});
histos.add("h2DnsigmaKaonTofVsPtAfterCut", "2D hist of nSigmaTOF vs. pT (kaon)", kTH2F, {ptAxis, nSigmaAxis});
histos.add("h2DnsigmaProtonTofVsPtAfterCut", "2D hist of nSigmaTOF vs. pT (proton)", kTH2F, {ptAxis, nSigmaAxis});
histos.add("h2DnsigmaPionTpcVsTofAfterCut", "2D hist of nSigmaTPC vs. nSigmaTOF (pion)", kTH2F, {nSigmaAxis, nSigmaAxis});
histos.add("h2DnsigmaKaonTpcVsTofAfterCut", "2D hist of nSigmaTPC vs. nSigmaTOF (kaon)", kTH2F, {nSigmaAxis, nSigmaAxis});
histos.add("h2DnsigmaProtonTpcVsTofAfterCut", "2D hist of nSigmaTPC vs. nSigmaTOF (proton)", kTH2F, {nSigmaAxis, nSigmaAxis});
histos.add("h2DnsigmaPionTpcVsTofAfterCut", "3D hist of nSigmaTPC vs. nSigmaTOF (pion)", kTH3F, {ptAxis, nSigmaAxis, nSigmaAxis});
histos.add("h2DnsigmaKaonTpcVsTofAfterCut", "3D hist of nSigmaTPC vs. nSigmaTOF (kaon)", kTH3F, {ptAxis, nSigmaAxis, nSigmaAxis});
histos.add("h2DnsigmaProtonTpcVsTofAfterCut", "3D hist of nSigmaTPC vs. nSigmaTOF (proton)", kTH3F, {ptAxis, nSigmaAxis, nSigmaAxis});

// Analysis profiles

Expand Down Expand Up @@ -403,6 +407,12 @@
histos.add("Prof_XY_weighted", "", {HistType::kTProfile2D, {centAxis, noAxis}});
histos.add("Prof_XYZ_weighted_had", "", {HistType::kTProfile2D, {centAxis, ptAxis}});
histos.add("Prof_Z_weighted_had", "", {HistType::kTProfile2D, {centAxis, ptAxis}});
histos.add("Prof_XYZ_weighted_pi", "", {HistType::kTProfile2D, {centAxis, ptAxis}});
histos.add("Prof_Z_weighted_pi", "", {HistType::kTProfile2D, {centAxis, ptAxis}});
histos.add("Prof_XYZ_weighted_ka", "", {HistType::kTProfile2D, {centAxis, ptAxis}});
histos.add("Prof_Z_weighted_ka", "", {HistType::kTProfile2D, {centAxis, ptAxis}});
histos.add("Prof_XYZ_weighted_prot", "", {HistType::kTProfile2D, {centAxis, ptAxis}});
histos.add("Prof_Z_weighted_prot", "", {HistType::kTProfile2D, {centAxis, ptAxis}});
}

// initial array
Expand Down Expand Up @@ -503,6 +513,10 @@
histos.add("MCGenerated/hPtEtaPhiPion", "MC charged pions' pt, eta, phi", kTH3D, {ptAxis, {100, 0., o2::constants::math::TwoPI}, {100, -2.01, 2.01}});
histos.add("MCGenerated/hPtEtaPhiKaon", "MC charged kaons' pt, eta, phi", kTH3D, {ptAxis, {100, 0., o2::constants::math::TwoPI}, {100, -2.01, 2.01}});
histos.add("MCGenerated/hPtEtaPhiProton", "MC charged protons' pt, eta, phi", kTH3D, {ptAxis, {100, 0., o2::constants::math::TwoPI}, {100, -2.01, 2.01}});
histos.add("MCGenerated/hPtEtaPhiCharged_gen", "MC charged particles' pt, eta, phi in the generated process", kTH3D, {ptAxis, {100, 0., o2::constants::math::TwoPI}, {100, -2.01, 2.01}});
histos.add("MCGenerated/hPtEtaPhiPion_gen", "MC charged pions' pt, eta, phi in the generated process", kTH3D, {ptAxis, {100, 0., o2::constants::math::TwoPI}, {100, -2.01, 2.01}});
histos.add("MCGenerated/hPtEtaPhiKaon_gen", "MC charged kaons' pt, eta, phi in the generated process", kTH3D, {ptAxis, {100, 0., o2::constants::math::TwoPI}, {100, -2.01, 2.01}});
histos.add("MCGenerated/hPtEtaPhiProton_gen", "MC charged protons' pt, eta, phi in the generated process", kTH3D, {ptAxis, {100, 0., o2::constants::math::TwoPI}, {100, -2.01, 2.01}});

histos.add("MCReconstructed/hPtEtaPhiChargedParticle", "MC reconstructed charged particles' pt, eta, phi", kTH3D, {ptAxis, {100, 0., o2::constants::math::TwoPI}, {100, -2.01, 2.01}});
histos.add("MCReconstructed/hPtEtaPhiChargedTrack", "MC reconstructed charged tracks' pt, eta, phi", kTH3D, {ptAxis, {100, 0., o2::constants::math::TwoPI}, {100, -2.01, 2.01}});
Expand Down Expand Up @@ -927,6 +941,109 @@
return ptweight;
}

void processMCGen(aod::McCollision const& mcCollision, aod::McParticles const& mcParticles, const soa::SmallGroups<EventCandidatesMC>& collisions, MyMCTracks const& tracks)
{
histos.fill(HIST("MCGenerated/hMC"), 0.5);
if (std::abs(mcCollision.posZ()) < cfgCutVertex) {
histos.fill(HIST("MCGenerated/hMC"), 1.5);
}
auto cent = 0;

int nchInel = 0;
for (const auto& mcParticle : mcParticles) {
auto pdgcode = std::abs(mcParticle.pdgCode());
if (mcParticle.isPhysicalPrimary() && (pdgcode == PDG_t::kPiPlus || pdgcode == PDG_t::kKPlus || pdgcode == PDG_t::kProton || pdgcode == PDG_t::kElectron || pdgcode == PDG_t::kMuonMinus)) {
if (std::abs(mcParticle.eta()) < 1.0) {
nchInel = nchInel + 1;
}
}
}
if (nchInel > 0 && std::abs(mcCollision.posZ()) < cfgCutVertex)
histos.fill(HIST("MCGenerated/hMC"), 2.5);
std::vector<int64_t> selectedEvents(collisions.size());
int nevts = 0;

for (const auto& collision : collisions) {
if (!collision.sel8() || std::abs(collision.mcCollision().posZ()) > cfgCutVertex) {
continue;
}
if (cfgUseGoodITSLayerAllCut && !(collision.selection_bit(o2::aod::evsel::kIsGoodITSLayersAll))) {
continue;
}
if (cfgEvSelkNoSameBunchPileup && !(collision.selection_bit(o2::aod::evsel::kNoSameBunchPileup))) {
continue;
}
if (cfgEvSelkNoITSROFrameBorder && !(collision.selection_bit(o2::aod::evsel::kNoITSROFrameBorder))) {
continue;
}
if (cfgEvSelkNoTimeFrameBorder && !(collision.selection_bit(o2::aod::evsel::kNoTimeFrameBorder))) {
continue;
}
if (cfgEvSelUseGoodZvtxFT0vsPV && !(collision.selection_bit(o2::aod::evsel::kIsGoodZvtxFT0vsPV))) {
continue;
}

// events with selection bits based on occupancy time pattern
if (cfgEvSelUseOcuppancyTimeCut && !(collision.selection_bit(o2::aod::evsel::kNoCollInTimeRangeStandard))) {
continue;
}

int occupancy = collision.trackOccupancyInTimeRange();
if (cfgEvSelSetOcuppancyRange && (occupancy < cfgMinOccupancy || occupancy > cfgMaxOccupancy)) {
continue;
}

auto rectrackspart = tracks.sliceBy(perCollision, collision.globalIndex());
cent = collision.centFT0C();
if (cfgUseSmallIonAdditionalEventCutInMC && !eventSelectedSmallion(collision, rectrackspart.size(), cent)) {
continue;
}

selectedEvents[nevts++] = collision.mcCollision_as<aod::McCollisions>().globalIndex();
}
selectedEvents.resize(nevts);
const auto evtReconstructedAndSelected = std::find(selectedEvents.begin(), selectedEvents.end(), mcCollision.globalIndex()) != selectedEvents.end();
histos.fill(HIST("MCGenerated/hMC"), 3.5);
if (!evtReconstructedAndSelected) { // Check that the event is reconstructed and that the reconstructed events pass the selection
return;
}
histos.fill(HIST("MCGenerated/hMC"), 4.5);
histos.fill(HIST("MCGenerated/hCentgen"), cent);

// creating phi, pt, eta dstribution of generted MC particles

// Generated track variables
for (const auto& mcParticle : mcParticles) {
if (!mcParticle.has_mcCollision())
continue;

// charged check
auto pdgEntry = TDatabasePDG::Instance()->GetParticle(mcParticle.pdgCode());

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[pdg/database] 

Do not use TDatabasePDG directly. Use o2::constants::physics::Mass... or Service<o2::framework::O2DatabasePDG> instead.
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if (!pdgEntry)
continue;
if (pdgEntry->Charge() == 0)
continue;

if (mcParticle.isPhysicalPrimary()) {
if ((mcParticle.pt() > cfgCutPtLower) && (mcParticle.pt() < cfgCutPtUpper) && (std::abs(mcParticle.eta()) < cfgCutEta)) {
histos.fill(HIST("MCGenerated/hPtEtaPhiCharged_gen"), mcParticle.pt(), mcParticle.eta(), mcParticle.phi());

auto pdgcode = std::abs(mcParticle.pdgCode());

if (pdgcode == PDG_t::kPiPlus)
histos.fill(HIST("MCGenerated/hPtEtaPhiPion_gen"), mcParticle.pt(), mcParticle.eta(), mcParticle.phi());

if (pdgcode == PDG_t::kKPlus)
histos.fill(HIST("MCGenerated/hPtEtaPhiKaon_gen"), mcParticle.pt(), mcParticle.eta(), mcParticle.phi());

if (pdgcode == PDG_t::kProton)
histos.fill(HIST("MCGenerated/hPtEtaPhiProton_gen"), mcParticle.pt(), mcParticle.eta(), mcParticle.phi());
}
}
} //! end particle loop
}
PROCESS_SWITCH(V0ptHadPiKaProt, processMCGen, "Process Monte-carlo generated data", false);

// process MC recosnstructed data
void processMCRec(MyMCRecCollisions::iterator const& collision, MyMCTracks const& tracks, aod::McCollisions const&, aod::McParticles const& mcParticles)
{
Expand Down Expand Up @@ -980,7 +1097,7 @@
continue;

// charged check
auto pdgEntry = TDatabasePDG::Instance()->GetParticle(mcParticle.pdgCode());

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[pdg/database] 

Do not use TDatabasePDG directly. Use o2::constants::physics::Mass... or Service<o2::framework::O2DatabasePDG> instead.
if (!pdgEntry)
continue;
if (pdgEntry->Charge() == 0)
Expand Down Expand Up @@ -1082,17 +1199,17 @@
if (isPion) {
histos.fill(HIST("h2DnsigmaPionTpcVsPtAfterCut"), track.pt(), nSigmaTpcPi);
histos.fill(HIST("h2DnsigmaPionTofVsPtAfterCut"), track.pt(), nSigmaTofPi);
histos.fill(HIST("h2DnsigmaPionTpcVsTofAfterCut"), nSigmaTpcPi, nSigmaTofPi);
histos.fill(HIST("h2DnsigmaPionTpcVsTofAfterCut"), track.pt(), nSigmaTpcPi, nSigmaTofPi);
}
if (isKaon) {
histos.fill(HIST("h2DnsigmaKaonTpcVsPtAfterCut"), track.pt(), nSigmaTpcKa);
histos.fill(HIST("h2DnsigmaKaonTofVsPtAfterCut"), track.pt(), nSigmaTofKa);
histos.fill(HIST("h2DnsigmaKaonTpcVsTofAfterCut"), nSigmaTpcKa, nSigmaTofKa);
histos.fill(HIST("h2DnsigmaKaonTpcVsTofAfterCut"), track.pt(), nSigmaTpcKa, nSigmaTofKa);
}
if (isProton) {
histos.fill(HIST("h2DnsigmaProtonTpcVsPtAfterCut"), track.pt(), nSigmaTpcProt);
histos.fill(HIST("h2DnsigmaProtonTofVsPtAfterCut"), track.pt(), nSigmaTofProt);
histos.fill(HIST("h2DnsigmaProtonTpcVsTofAfterCut"), nSigmaTpcProt, nSigmaTofProt);
histos.fill(HIST("h2DnsigmaProtonTpcVsTofAfterCut"), track.pt(), nSigmaTpcProt, nSigmaTofProt);
}

auto pdgcodeRec = std::abs(particle.pdgCode());
Expand Down Expand Up @@ -1121,7 +1238,7 @@
}
} // end track loop
}
PROCESS_SWITCH(V0ptHadPiKaProt, processMCRec, "Process Monte-carlo data", false);
PROCESS_SWITCH(V0ptHadPiKaProt, processMCRec, "Process Monte-carlo reconstructed data", false);

// process Data
void processData(AodCollisions::iterator const& coll, aod::BCsWithTimestamps const&, AodTracks const& inputTracks)
Expand Down Expand Up @@ -1301,17 +1418,17 @@
if (isPion) {
histos.fill(HIST("h2DnsigmaPionTpcVsPtAfterCut"), trkPt, nSigmaTpcPi);
histos.fill(HIST("h2DnsigmaPionTofVsPtAfterCut"), trkPt, nSigmaTofPi);
histos.fill(HIST("h2DnsigmaPionTpcVsTofAfterCut"), nSigmaTpcPi, nSigmaTofPi);
histos.fill(HIST("h2DnsigmaPionTpcVsTofAfterCut"), trkPt, nSigmaTpcPi, nSigmaTofPi);
}
if (isKaon) {
histos.fill(HIST("h2DnsigmaKaonTpcVsPtAfterCut"), trkPt, nSigmaTpcKa);
histos.fill(HIST("h2DnsigmaKaonTofVsPtAfterCut"), trkPt, nSigmaTofKa);
histos.fill(HIST("h2DnsigmaKaonTpcVsTofAfterCut"), nSigmaTpcKa, nSigmaTofKa);
histos.fill(HIST("h2DnsigmaKaonTpcVsTofAfterCut"), trkPt, nSigmaTpcKa, nSigmaTofKa);
}
if (isProton) {
histos.fill(HIST("h2DnsigmaProtonTpcVsPtAfterCut"), trkPt, nSigmaTpcProt);
histos.fill(HIST("h2DnsigmaProtonTofVsPtAfterCut"), trkPt, nSigmaTofProt);
histos.fill(HIST("h2DnsigmaProtonTpcVsTofAfterCut"), nSigmaTpcProt, nSigmaTofProt);
histos.fill(HIST("h2DnsigmaProtonTpcVsTofAfterCut"), trkPt, nSigmaTpcProt, nSigmaTofProt);
}

if (track.sign() != 0) {
Expand Down
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