diff --git a/PWGUD/Tasks/CMakeLists.txt b/PWGUD/Tasks/CMakeLists.txt index ab54549251c..bf1c0e7be72 100644 --- a/PWGUD/Tasks/CMakeLists.txt +++ b/PWGUD/Tasks/CMakeLists.txt @@ -251,7 +251,7 @@ o2physics_add_dpl_workflow(flow-cumulants-upc o2physics_add_dpl_workflow(flow-correlations-upc SOURCES flowCorrelationsUpc.cxx - PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::AnalysisCore O2Physics::AnalysisCCDB O2Physics::PWGCFCore + PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::AnalysisCore O2Physics::AnalysisCCDB O2Physics::GFWCore O2Physics::PWGCFCore COMPONENT_NAME Analysis) o2physics_add_dpl_workflow(flow-mc-upc diff --git a/PWGUD/Tasks/flowCorrelationsUpc.cxx b/PWGUD/Tasks/flowCorrelationsUpc.cxx index 6bd5736ee48..71dc0c59029 100644 --- a/PWGUD/Tasks/flowCorrelationsUpc.cxx +++ b/PWGUD/Tasks/flowCorrelationsUpc.cxx @@ -15,11 +15,17 @@ /// copied from Thor Jensen (thor.kjaersgaard.jensen@cern.ch) and Debojit Sarkar (debojit.sarkar@cern.ch) #include "PWGCF/Core/CorrelationContainer.h" +#include "PWGCF/GenericFramework/Core/GFW.h" +#include "PWGCF/GenericFramework/Core/GFWWeights.h" #include "PWGUD/Core/SGSelector.h" #include "PWGUD/DataModel/UDTables.h" +#include "Common/CCDB/ctpRateFetcher.h" #include "Common/Core/RecoDecay.h" +#include "Common/Core/TrackSelection.h" +#include "Common/Core/TrackSelectionDefaults.h" +#include #include #include #include @@ -31,14 +37,33 @@ #include #include #include +#include #include +#include +#include +#include +#include +#include +#include +#include #include #include +#include + +#include + +#include +#include #include #include #include +#include +#include +#include +#include +#include #include namespace o2::aod @@ -128,17 +153,20 @@ struct FlowCorrelationsUpc { O2_DEFINE_CONFIGURABLE(cfgCutMerging, float, 0.02, "Merging cut on track merge") O2_DEFINE_CONFIGURABLE(cfgRadiusLow, float, 0.8, "Low radius for merging cut") O2_DEFINE_CONFIGURABLE(cfgRadiusHigh, float, 2.5, "High radius for merging cut") - O2_DEFINE_CONFIGURABLE(cfgIsGoodItsLayers, bool, false, "whether choose itslayers") - O2_DEFINE_CONFIGURABLE(cfgGapSide, int, 1, "0: gapside A;1:C") - O2_DEFINE_CONFIGURABLE(cfgGapSideMerge, bool, false, "whether merge A and C side together") O2_DEFINE_CONFIGURABLE(cfgDcaxy, bool, true, "choose dcaxy") O2_DEFINE_CONFIGURABLE(cfgDcaz, bool, false, "choose dcaz") O2_DEFINE_CONFIGURABLE(cfgDcazCut, float, 10.0, "dcaz cut") - O2_DEFINE_CONFIGURABLE(cfgItsClusterSize, unsigned int, 5, "ITS cluster size") O2_DEFINE_CONFIGURABLE(cfgMaxTPCChi2NCl, int, 4, "tpcchi2") - O2_DEFINE_CONFIGURABLE(cfgEvSelOccupancy, bool, true, "Occupancy cut") + O2_DEFINE_CONFIGURABLE(cfgCutOccupancy, bool, true, "Occupancy cut") O2_DEFINE_CONFIGURABLE(cfgCutOccupancyHigh, int, 1000, "High cut on TPC occupancy") O2_DEFINE_CONFIGURABLE(cfgCutOccupancyLow, int, 0, "Low cut on TPC occupancy") + O2_DEFINE_CONFIGURABLE(cfgCutTPCCrossedRows, float, 70.0f, "minimum number of crossed TPC Rows") + O2_DEFINE_CONFIGURABLE(cfgCutTPCclu, float, 50.0f, "minimum number of found TPC clusters") + O2_DEFINE_CONFIGURABLE(cfgCutITSclu, float, 5.0f, "minimum number of ITS clusters") + O2_DEFINE_CONFIGURABLE(cfgGlobalTrack, bool, true, "require TPC+ITS track") + O2_DEFINE_CONFIGURABLE(cfgUseNchCorrected, bool, true, "use corrected Nch for X axis") + O2_DEFINE_CONFIGURABLE(cfgEfficiency, std::string, "", "CCDB path to efficiency object") + O2_DEFINE_CONFIGURABLE(cfgUseEventWeights, bool, false, "Use event weights for mixed event") ConfigurableAxis axisVertex{"axisVertex", {10, -10, 10}, "vertex axis for histograms"}; ConfigurableAxis axisEta{"axisEta", {40, -1., 1.}, "eta axis for histograms"}; @@ -163,10 +191,27 @@ struct FlowCorrelationsUpc { Configurable cfgCutFT0A{"cfgCutFT0A", 150., "FT0A threshold"}; Configurable cfgCutFT0C{"cfgCutFT0C", 50., "FT0C threshold"}; Configurable cfgCutZDC{"cfgCutZDC", 10., "ZDC threshold"}; + ConfigurableAxis axisIndependent{"axisIndependent", {VARIABLE_WIDTH, 0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60}, "X axis for histograms"}; + ConfigurableAxis axisNch{"axisNch", {300, 0, 300}, "N_{ch}"}; + + // Corrections + TH3D* mEfficiency = nullptr; + bool correctionsLoaded = false; // make the filters and cuts. Filter trackFilter = (aod::udtrack::isPVContributor == true); - Filter collisionFilter = ((aod::udcollision::gapSide == (uint8_t)1 || aod::udcollision::gapSide == (uint8_t)0) && (cfgIfVertex == false || aod::collision::posZ < cfgZVtxCut) && (aod::udcollision::occupancyInTime > 0 && aod::udcollision::occupancyInTime < cfgCutOccupancyHigh) && (aod::flowcorrupc::truegapside == 1 || aod::flowcorrupc::truegapside == 0)); + Filter collisionFilter = ((aod::udcollision::gapSide == (uint8_t)1 || aod::udcollision::gapSide == (uint8_t)0) && (cfgIfVertex == false || aod::collision::posZ < cfgZVtxCut) && (!cfgCutOccupancy || (aod::udcollision::occupancyInTime > 0 && aod::udcollision::occupancyInTime < cfgCutOccupancyHigh)) && (aod::flowcorrupc::truegapside == 1 || aod::flowcorrupc::truegapside == 0)); + + // Connect to ccdb + Service ccdb; + Configurable ccdbUrl{"ccdbUrl", "http://alice-ccdb.cern.ch", "url of the ccdb repository"}; + + OutputObj fWeights{GFWWeights("weights")}; + + TAxis* fPtAxis = nullptr; + int lastRunNumber = -1; + std::vector runNumbers; // map of TH3 histograms for all runs + std::vector efficiencyCache; using UdTracks = soa::Filtered>; using UdTracksFull = soa::Filtered>; @@ -181,31 +226,42 @@ struct FlowCorrelationsUpc { void init(InitContext&) { - LOG(info) << "cfgGapSide = " << cfgGapSide; - LOG(info) << "cfgGapSide value type: " << typeid(cfgGapSide).name(); LOGF(info, "Starting init"); + ccdb->setURL(ccdbUrl.value); + ccdb->setCaching(true); + auto now = std::chrono::duration_cast(std::chrono::system_clock::now().time_since_epoch()).count(); + ccdb->setCreatedNotAfter(now); // Make histograms to check the distributions after cuts - registry.add("deltaEta_deltaPhi_same", "", {HistType::kTH2D, {axisDeltaPhi, axisDeltaEta}}); // check to see the delta eta and delta phi distribution - registry.add("deltaEta_deltaPhi_mixed", "", {HistType::kTH2D, {axisDeltaPhi, axisDeltaEta}}); registry.add("Phi", "Phi", {HistType::kTH1D, {axisPhi}}); registry.add("Eta", "Eta", {HistType::kTH1D, {axisEta}}); registry.add("pT", "pT", {HistType::kTH1D, {axisPtTrigger}}); registry.add("Nch", "N_{ch}", {HistType::kTH1D, {axisMultiplicity}}); registry.add("zVtx", "zVtx", {HistType::kTH1D, {axisVertex}}); - registry.add("Nch_vs_zVtx", "Nch vs zVtx", {HistType::kTH2D, {axisVertex, axisMultiplicity}}); - registry.add("Nch_same", "Nch same event", {HistType::kTH1D, {axisMultiplicity}}); - registry.add("Nch_mixed", "Nch mixed event", {HistType::kTH1D, {axisMultiplicity}}); + registry.add("EtaCorrected", "Eta corrected", {HistType::kTH1D, {axisEta}}); + registry.add("pTCorrected", "pT corrected", {HistType::kTH1D, {axisPtTrigger}}); - registry.add("Trig_hist", "", {HistType::kTHnSparseF, {{axisSample, axisVertex, axisPtTrigger}}}); + registry.add("Trig_hist", "", {HistType::kTHnSparseF, {{axisSample, axisVertex, axisIndependent, axisPtTrigger}}}); - registry.add("eventcount_same", "bin", {HistType::kTH1F, {{10, 0, 10, "bin"}}}); // histogram to see how many events are in the same and mixed event - registry.add("eventcount_mixed", "bin", {HistType::kTH1F, {{10, 0, 10, "bin"}}}); // histogram to see how many events are in the same and mixed event + registry.add("eventcont", "bin", {HistType::kTH1F, {{10, 0, 10, "bin"}}}); // histogram to see how many events are in the same and mixed event + registry.add("deltaEta_deltaPhi_same", "deltaeta-deltaphi", {HistType::kTH2D, {axisDeltaEta, axisDeltaPhi}}); // histogram to check the delta eta and delta phi distribution + registry.add("deltaEta_deltaPhi_mixed", "deltaeta-deltaphi", {HistType::kTH2D, {axisDeltaEta, axisDeltaPhi}}); // histogram to check the delta eta and delta phi distribution + registry.add("Nch_raw_vs_independent", "Raw vs Independent", {HistType::kTH2D, {axisMultiplicity, axisIndependent}}); - registry.add("trackcount_same", "bin", {HistType::kTH1F, {{10, 0, 10, "bin"}}}); // histogram to see how many tracks are in the same and mixed event - registry.add("trackcount_mixed", "bin", {HistType::kTH1F, {{10, 0, 10, "bin"}}}); // histogram to see how many tracks are in the same and mixed event + // if (doprocessSim) { + // registry.add("eventCounterMC", "Number of MC Events;; Count", {HistType::kTH1D, {{5, 0, 5}}}); + // registry.add("hVtxZMC", "Vexter Z distribution (MC)", {HistType::kTH1D, {axisVertex}}); + // registry.add("hMultMC", "Multiplicity distribution (MC)", {HistType::kTH1D, {{3000, 0.5, 3000.5}}}); + // registry.add("numberOfTracksMC", "Number of MC tracks;; Count", {HistType::kTH1D, {{3000, 0.5, 3000.5}}}); + // } + + o2::framework::AxisSpec axis = axisPtTrigger; + int nPtBins = axis.binEdges.size() - 1; + double* ptBins = &(axis.binEdges)[0]; + fPtAxis = new TAxis(nPtBins, ptBins); std::vector corrAxis = {{axisSample, "Sample"}, {axisVertex, "z-vtx (cm)"}, + {axisIndependent, "Independent (N_{ch} corrected)"}, {axisPtTrigger, "p_{T} (GeV/c)"}, {axisPtAssoc, "p_{T} (GeV/c)"}, {axisDeltaPhi, "#Delta#varphi (rad)"}, @@ -256,6 +312,9 @@ struct FlowCorrelationsUpc { if (track.pt() < cfgPtCutMin || track.pt() > cfgPtCutMax) { return false; } + if (cfgGlobalTrack && !(track.hasITS() && track.hasTPC())) { + return false; + } // registry.fill(HIST("hTrackCount"), 1.5); if (cfgDcaz && !(std::fabs(track.dcaZ()) < cfgDcazCut)) { return false; @@ -266,46 +325,132 @@ struct FlowCorrelationsUpc { return false; } // registry.fill(HIST("hTrackCount"), 3.5); - if (track.itsClusterSizes() <= cfgItsClusterSize) { + if (track.itsNCls() <= cfgCutITSclu) { return false; } // registry.fill(HIST("hTrackCount"), 4.5); if (track.tpcChi2NCl() >= cfgMaxTPCChi2NCl) { return false; } + if (track.tpcNClsCrossedRows() < cfgCutTPCCrossedRows) { + return false; + } + auto tpcClu = track.tpcNClsFindable() - track.tpcNClsFindableMinusFound(); + if (tpcClu < cfgCutTPCclu) { + return false; + } // registry.fill(HIST("hTrackCount"), 5.5); return true; } + void loadCorrections(uint64_t timestamp) + { + if (correctionsLoaded) { + return; + } + if (cfgEfficiency.value.empty() == false) { + mEfficiency = ccdb->getForTimeStamp(cfgEfficiency, timestamp); + if (mEfficiency == nullptr) { + LOGF(fatal, "Could not load efficiency histogram for trigger particles from %s", cfgEfficiency.value.c_str()); + } + LOGF(info, "Loaded efficiency histogram from %s (%p)", cfgEfficiency.value.c_str(), (void*)mEfficiency); + } + correctionsLoaded = true; + } + + bool getEfficiencyCorrection(float& weight_nue, float eta, float pt, float posZ) + { + float eff = 1.; + if (mEfficiency) { + int etaBin = mEfficiency->GetXaxis()->FindBin(eta); + int ptBin = mEfficiency->GetYaxis()->FindBin(pt); + int zBin = mEfficiency->GetZaxis()->FindBin(posZ); + eff = mEfficiency->GetBinContent(etaBin, ptBin, zBin); + } else { + eff = 1.0; + } + if (eff <= 0) + return false; + weight_nue = 1. / eff; + return true; + } + + bool setCurrentParticleWeights(float& weight_nue, float& weight_nua, float phi, float eta, float pt, float vtxz) + { + float eff = 1.; + if (mEfficiency) + eff = mEfficiency->GetBinContent(mEfficiency->FindBin(pt)); + else + eff = 1.0; + if (eff == 0) + return false; + weight_nue = 1. / eff; + weight_nua = 1.; // Set to 1 as NUA weight is not being used + return true; + } + // fill multiple histograms template - void fillYield(TCollision collision, TTracks tracks) // function to fill the yield and etaphi histograms. + void fillYield(TCollision collision, TTracks tracks, int runNumber, float vtxz) // function to fill the yield and etaphi histograms. { registry.fill(HIST("Nch"), tracks.size()); registry.fill(HIST("zVtx"), collision.posZ()); for (auto const& track1 : tracks) { - auto momentum1 = std::array{track1.px(), track1.py(), track1.pz()}; - registry.fill(HIST("Phi"), RecoDecay::phi(momentum1)); - registry.fill(HIST("Eta"), RecoDecay::eta(momentum1)); - registry.fill(HIST("pT"), track1.pt()); + if (!trackSelected(track1)) + continue; + auto momentum = std::array{track1.px(), track1.py(), track1.pz()}; + double pt = RecoDecay::pt(momentum); + double phi = RecoDecay::phi(momentum); + double eta = RecoDecay::eta(momentum); + float weff = 1.; + if (!getEfficiencyCorrection(weff, eta, pt, vtxz)) + continue; + + registry.fill(HIST("Phi"), phi); + registry.fill(HIST("Eta"), eta); + registry.fill(HIST("pT"), pt); + registry.fill(HIST("EtaCorrected"), eta, weff); + registry.fill(HIST("pTCorrected"), pt, weff); } } template - void fillCorrelations(TTracks tracks1, TTracks tracks2, float posZ, int system, int runnum) // function to fill the Output functions (sparse) and the delta eta and delta phi histograms + void fillCorrelations(TTracks tracks1, TTracks tracks2, float posZ, int system, int runnum, float vtxz, float eventWeight, double independent) // function to fill the Output functions (sparse) and the delta eta and delta phi histograms { + if (mEfficiency) { + efficiencyCache.clear(); + efficiencyCache.reserve(static_cast(tracks2.size())); + for (const auto& track2 : tracks2) { + auto momentum = std::array{track2.px(), track2.py(), track2.pz()}; + double pt = RecoDecay::pt(momentum); + double eta = RecoDecay::eta(momentum); + float weff = 1.; + getEfficiencyCorrection(weff, eta, pt, vtxz); + efficiencyCache.push_back(weff); + } + } + int fSampleIndex = gRandom->Uniform(0, cfgSampleSize); // loop over all tracks for (auto const& track1 : tracks1) { - if (!trackSelected(track1)) continue; + auto momentum = std::array{track1.px(), track1.py(), track1.pz()}; + double pt1 = RecoDecay::pt(momentum); + double phi1 = RecoDecay::phi(momentum); + double eta1 = RecoDecay::eta(momentum); + + // 计算track1的权重 + float weff1 = 1., wacc1 = 1.; + if (!setCurrentParticleWeights(weff1, wacc1, phi1, eta1, pt1, vtxz)) + continue; + if (system == SameEvent) { - registry.fill(HIST("Trig_hist"), fSampleIndex, posZ, track1.pt()); + registry.fill(HIST("Trig_hist"), fSampleIndex, posZ, independent, pt1, eventWeight * weff1 * wacc1); } for (auto const& track2 : tracks2) { @@ -313,24 +458,34 @@ struct FlowCorrelationsUpc { continue; if (track1.globalIndex() == track2.globalIndex()) - continue; // For pt-differential correlations, skip if the trigger and associate are the same track - if (system == SameEvent && track1.pt() <= track2.pt()) - continue; // Without pt-differential correlations, skip if the trigger pt is less than the associate pt - - auto momentum1 = std::array{track1.px(), track1.py(), track1.pz()}; - auto momentum2 = std::array{track2.px(), track2.py(), track2.pz()}; - double phi1 = RecoDecay::phi(momentum1); - double phi2 = RecoDecay::phi(momentum2); + continue; + if (system == SameEvent && cfgUsePtOrder && pt1 <= track2.pt()) + continue; + if (system == MixedEvent && cfgUsePtOrderInMixEvent && pt1 <= track2.pt()) + continue; + + auto momentum = std::array{track2.px(), track2.py(), track2.pz()}; + double pt2 = RecoDecay::pt(momentum); + double phi2 = RecoDecay::phi(momentum); + double eta2 = RecoDecay::eta(momentum); + + float weff2 = 1., wacc2 = 1.; + if (mEfficiency) { + weff2 = efficiencyCache[track2.filteredIndex()]; + } else { + getEfficiencyCorrection(weff2, eta2, pt2, vtxz); + } + float deltaPhi = RecoDecay::constrainAngle(phi1 - phi2, -PIHalf); - float deltaEta = RecoDecay::eta(momentum1) - RecoDecay::eta(momentum2); + float deltaEta = eta1 - eta2; - if (std::abs(deltaEta) < cfgCutMerging) { + float weight = eventWeight * weff1 * weff2 * wacc1 * wacc2; + // Merging cut + if (std::abs(deltaEta) < cfgCutMerging) { double dPhiStarHigh = getDPhiStar(track1, track2, cfgRadiusHigh, runnum, phi1, phi2); double dPhiStarLow = getDPhiStar(track1, track2, cfgRadiusLow, runnum, phi1, phi2); - const double kLimit = 3.0 * cfgCutMerging; - bool bIsBelow = false; if (std::abs(dPhiStarLow) < kLimit || std::abs(dPhiStarHigh) < kLimit || dPhiStarLow * dPhiStarHigh < 0) { @@ -346,13 +501,13 @@ struct FlowCorrelationsUpc { } } - // fill the right sparse and histograms + // fill the right sparse and histograms with weights if (system == SameEvent) { - same->getPairHist()->Fill(step, fSampleIndex, posZ, track1.pt(), track2.pt(), deltaPhi, deltaEta); - registry.fill(HIST("deltaEta_deltaPhi_same"), deltaPhi, deltaEta); + same->getPairHist()->Fill(step, fSampleIndex, posZ, independent, pt1, pt2, deltaPhi, deltaEta, weight); + registry.fill(HIST("deltaEta_deltaPhi_same"), deltaPhi, deltaEta, weight); } else if (system == MixedEvent) { - mixed->getPairHist()->Fill(step, fSampleIndex, posZ, track1.pt(), track2.pt(), deltaPhi, deltaEta); - registry.fill(HIST("deltaEta_deltaPhi_mixed"), deltaPhi, deltaEta); + mixed->getPairHist()->Fill(step, fSampleIndex, posZ, independent, pt1, pt2, deltaPhi, deltaEta, weight); + registry.fill(HIST("deltaEta_deltaPhi_mixed"), deltaPhi, deltaEta, weight); } } } @@ -364,13 +519,48 @@ struct FlowCorrelationsUpc { if (tracks.size() < cfgMinMult || tracks.size() > cfgMaxMult) { return; } - registry.fill(HIST("eventcount_same"), 3.5); - int runIndex = collision.runNumber(); - // registry.fill(HIST("eventcount"), SameEvent); // because its same event i put it in the 1 bin - registry.fill(HIST("Nch_vs_zVtx"), collision.posZ(), tracks.size()); - fillYield(collision, tracks); - fillCorrelations(tracks, tracks, collision.posZ(), SameEvent, runIndex); // fill the SE histogram and Sparse + float vtxz = collision.posZ(); + auto currentRunNumber = collision.runNumber(); + auto runDuration = ccdb->getRunDuration(currentRunNumber); + + loadCorrections(runDuration.first); + + registry.fill(HIST("eventcont"), 3.5); + + //-----------independent--------------- + double nTracksRaw = 0.; + double nTracksCorrected = 0.; + + for (const auto& track : tracks) { + if (!trackSelected(track)) + continue; + + auto momentum = std::array{track.px(), track.py(), track.pz()}; + double pt = RecoDecay::pt(momentum); + double eta = RecoDecay::eta(momentum); + + nTracksRaw += 1.; + + if (cfgUseNchCorrected) { + float weff = 1.; + if (getEfficiencyCorrection(weff, eta, pt, vtxz)) { + nTracksCorrected += weff; + } + } + } + registry.fill(HIST("Nch_raw_vs_independent"), nTracksRaw, nTracksCorrected); + + double independent = nTracksRaw; + if (cfgUseNchCorrected) { + independent = nTracksCorrected; + } + + fillYield(collision, tracks, currentRunNumber, vtxz); + + fillCorrelations( + tracks, tracks, collision.posZ(), SameEvent, + currentRunNumber, vtxz, 1.0f, independent); } PROCESS_SWITCH(FlowCorrelationsUpc, processSame, "Process same event", true); @@ -384,24 +574,61 @@ struct FlowCorrelationsUpc { { auto getTracksSize = [&tracks, this](UDCollisionsFull::iterator const& collision) { auto associatedTracks = tracks.sliceByCached(o2::aod::udtrack::udCollisionId, collision.udCollisionId(), this->cache); - auto mult = associatedTracks.size(); return mult; }; using MixedBinning = FlexibleBinningPolicy, aod::collision::PosZ, decltype(getTracksSize)>; MixedBinning binningOnVtxAndMult{{getTracksSize}, {vtxMix, multMix}, true}; - // MixedBinning binningOnVtxAndMult{{vtxMix, multMix}, true}; // true is for 'ignore overflows' (true by default) auto tracksTuple = std::make_tuple(tracks); - SameKindPair pairs{binningOnVtxAndMult, cfgMinMixEventNum, -1, collisions, tracksTuple, &cache}; // -1 is the number of the bin to skip + SameKindPair pairs{binningOnVtxAndMult, cfgMinMixEventNum, -1, collisions, tracksTuple, &cache}; - for (auto const& [collision1, tracks1, collision2, tracks2] : pairs) { - // registry.fill(HIST("eventcount"), MixedEvent); // fill the mixed event in the 3 bin - if (tracks1.size() < cfgMinMult || tracks1.size() > cfgMaxMult || tracks2.size() < cfgMinMult || tracks2.size() > cfgMaxMult) { + for (auto it = pairs.begin(); it != pairs.end(); it++) { + auto& [collision1, tracks1, collision2, tracks2] = *it; + if (tracks1.size() < cfgMinMult || tracks1.size() > cfgMaxMult || + tracks2.size() < cfgMinMult || tracks2.size() > cfgMaxMult) { continue; } - registry.fill(HIST("eventcount_same"), 4.5); - fillCorrelations(tracks1, tracks2, collision1.posZ(), MixedEvent, collision1.runNumber()); // fill the ME histogram and Sparse + + auto runDuration1 = ccdb->getRunDuration(collision1.runNumber()); + loadCorrections(runDuration1.first); + + registry.fill(HIST("eventcont"), 4.5); + + double nTracksRaw = 0.; + double nTracksCorrected = 0.; + + for (const auto& track : tracks1) { + if (!trackSelected(track)) + continue; + + auto momentum = std::array{track.px(), track.py(), track.pz()}; + double pt = RecoDecay::pt(momentum); + double eta = RecoDecay::eta(momentum); + + nTracksRaw += 1.; + + if (cfgUseNchCorrected) { + float weff = 1.; + if (getEfficiencyCorrection(weff, eta, pt, collision1.posZ())) { + nTracksCorrected += weff; + } + } + } + + double independent = nTracksRaw; + if (cfgUseNchCorrected) { + independent = nTracksCorrected; + } + + float eventWeight = 1.0f; + if (cfgUseEventWeights) { + eventWeight = 1.0f / it.currentWindowNeighbours(); + } + + fillCorrelations( + tracks1, tracks2, collision1.posZ(), MixedEvent, + collision1.runNumber(), collision1.posZ(), eventWeight, independent); } } PROCESS_SWITCH(FlowCorrelationsUpc, processMixed, "Process mixed events", true); diff --git a/PWGUD/Tasks/flowMcUpc.cxx b/PWGUD/Tasks/flowMcUpc.cxx index a068b297d9f..7e171d3017a 100644 --- a/PWGUD/Tasks/flowMcUpc.cxx +++ b/PWGUD/Tasks/flowMcUpc.cxx @@ -14,7 +14,6 @@ /// \since Apr/2/2026 /// \brief flow efficiency analysis on UPC MC -#include "PWGUD/Core/SGSelector.h" #include "PWGUD/DataModel/UDTables.h" #include "Common/Core/RecoDecay.h" @@ -65,7 +64,7 @@ struct FlowMcUpc { double epsilon = 1e-6; - using McParts = soa::Join; + // using McParts = soa::Join; void init(InitContext&) { @@ -81,6 +80,8 @@ struct FlowMcUpc { histos.add("mcEventCounter", "Monte Carlo Truth EventCounter", HistType::kTH1F, {{5, 0, 5}}); histos.add("RecoProcessEventCounter", "Reconstruction EventCounter", HistType::kTH1F, {{5, 0, 5}}); histos.add("hImpactParameter", "hImpactParameter", HistType::kTH1D, {axisB}); + histos.add("RecoProcessTrackCounter", "Reconstruction TrackCounter", HistType::kTH1F, {{5, 0, 5}}); + histos.add("numberOfRecoCollisions", "numberOfRecoCollisions", kTH1F, {{100, -0.5f, 99.5f}}); histos.add("hPtMCGen", "Monte Carlo Truth; pT (GeV/c);", {HistType::kTH1D, {axisPt}}); histos.add("hEtaPtVtxzMCGen", "Monte Carlo Truth; #eta; p_{T} (GeV/c); V_{z} (cm);", {HistType::kTH3D, {axisEta, axisPt, axisVertex}}); @@ -97,6 +98,10 @@ struct FlowMcUpc { template bool trackSelected(TTrack const& track) { + if (!track.hasTPC()) + return false; + if (!track.isPVContributor()) + return false; // auto momentum = std::array{track.px(), track.py(), track.pz()}; auto pt = track.pt(); if (pt < cfgPtCutMin || pt > cfgPtCutMax) { @@ -111,88 +116,112 @@ struct FlowMcUpc { PresliceUnsorted partPerMcCollision = aod::udmcparticle::udMcCollisionId; - void processMCTrue(aod::UDMcCollisions::iterator const& mcCollision, McParts const& mcParts, aod::BCs const& bcs) + void processMCTrue(aod::UDMcCollisions const& mcCollisions, aod::UDMcParticles const& mcParts, aod::BCs const& bcs) { if (bcs.size() == 0) { return; } - histos.fill(HIST("mcEventCounter"), 0.5); - float imp = mcCollision.impactParameter(); - float vtxz = mcCollision.posZ(); + for (const auto& mcCollision : mcCollisions) { + histos.fill(HIST("mcEventCounter"), 0.5); + float imp = mcCollision.impactParameter(); + float vtxz = mcCollision.posZ(); - if (imp >= minB && imp <= maxB) { - // event within range - histos.fill(HIST("hImpactParameter"), imp); + if (imp >= minB && imp <= maxB) { + // event within range + histos.fill(HIST("hImpactParameter"), imp); - auto const& tempParts = mcParts.sliceBy(partPerMcCollision, static_cast(mcCollision.globalIndex())); + auto const& tempParts = mcParts.sliceBy(partPerMcCollision, static_cast(mcCollision.globalIndex())); - for (auto const& mcParticle : tempParts) { - auto momentum = std::array{mcParticle.px(), mcParticle.py(), mcParticle.pz()}; - int pdgCode = std::abs(mcParticle.pdgCode()); + for (auto const& mcParticle : tempParts) { + auto momentum = std::array{mcParticle.px(), mcParticle.py(), mcParticle.pz()}; + int pdgCode = std::abs(mcParticle.pdgCode()); - double pt = RecoDecay::pt(momentum); - double eta = RecoDecay::eta(momentum); + double pt = RecoDecay::pt(momentum); + double eta = RecoDecay::eta(momentum); - if (pdgCode != PDG_t::kElectron && pdgCode != PDG_t::kMuonMinus && pdgCode != PDG_t::kPiPlus && pdgCode != PDG_t::kKPlus && pdgCode != PDG_t::kProton) - continue; + if (pdgCode != PDG_t::kElectron && pdgCode != PDG_t::kMuonMinus && pdgCode != PDG_t::kPiPlus && pdgCode != PDG_t::kKPlus && pdgCode != PDG_t::kProton) + continue; - if (!mcParticle.isPhysicalPrimary()) - continue; - if (std::fabs(eta) > cfgCutEta) // main acceptance - continue; + if (!mcParticle.isPhysicalPrimary()) + continue; + if (std::fabs(eta) > cfgCutEta) // main acceptance + continue; - histos.fill(HIST("hPtMCGen"), pt); - histos.fill(HIST("hEtaPtVtxzMCGen"), eta, pt, vtxz); + histos.fill(HIST("hPtMCGen"), pt); + histos.fill(HIST("hEtaPtVtxzMCGen"), eta, pt, vtxz); + } } } } PROCESS_SWITCH(FlowMcUpc, processMCTrue, "process pure simulation information", true); using MCRecoTracks = soa::Join; - using MCRecoCollisions = soa::Join; + using MCRecoCollisions = soa::Join; // PresliceUnsorted trackPerMcParticle = aod::udmctracklabel::udMcParticleId; Preslice trackPerCollision = aod::udtrack::udCollisionId; // sorted preslice used because the pair track-collision is already sorted in processDataSG function - void processReco(MCRecoCollisions::iterator const& collision, MCRecoTracks const& tracks) + void processReco(MCRecoCollisions const& collisions, MCRecoTracks const& tracks, aod::UDMcParticles const& mcParticles) { - histos.fill(HIST("RecoProcessEventCounter"), 0.5); - // if (!eventSelected(collision)) - // return; - histos.fill(HIST("RecoProcessEventCounter"), 1.5); - if (!collision.has_udMcCollision()) - return; - histos.fill(HIST("RecoProcessEventCounter"), 2.5); - if (tracks.size() < 1) - return; - histos.fill(HIST("RecoProcessEventCounter"), 3.5); - - float vtxz = collision.posZ(); - - auto const& tempTracks = tracks.sliceBy(trackPerCollision, static_cast(collision.globalIndex())); - - for (const auto& track : tempTracks) { - // focus on bulk: e, mu, pi, k, p - auto momentum = std::array{track.px(), track.py(), track.pz()}; - double pt = RecoDecay::pt(momentum); - double eta = RecoDecay::eta(momentum); - // double phi = RecoDecay::phi(momentum); - if (!trackSelected(track) || (!track.has_udMcParticle())) - continue; - auto mcParticle = track.udMcParticle(); - int pdgCode = std::abs(mcParticle.pdgCode()); - - // double pt = recoMC.Pt(); - // double eta = recoMC.Eta(); - if (pdgCode != PDG_t::kElectron && pdgCode != PDG_t::kMuonMinus && pdgCode != PDG_t::kPiPlus && pdgCode != PDG_t::kKPlus && pdgCode != PDG_t::kProton) - continue; - if (std::fabs(eta) > cfgCutEta) // main acceptance - continue; - if (!mcParticle.isPhysicalPrimary()) - continue; - - histos.fill(HIST("hPtReco"), pt); - histos.fill(HIST("hEtaPtVtxzMCReco"), eta, pt, vtxz); + histos.fill(HIST("numberOfRecoCollisions"), mcParticles.size()); // number of times coll was reco-ed + // std::cout << "process reco" << std::endl; + for (const auto& collision : collisions) { + Partition pvContributors = aod::udtrack::isPVContributor == true; + pvContributors.bindTable(tracks); + // std::cout << "collision loop" << std::endl; + histos.fill(HIST("RecoProcessEventCounter"), 0.5); + // if (!eventSelected(collision)) + // return; + histos.fill(HIST("RecoProcessEventCounter"), 1.5); + // if (!collision.has_udMcCollision()) + // return; + histos.fill(HIST("RecoProcessEventCounter"), 2.5); + histos.fill(HIST("RecoProcessEventCounter"), 3.5); + + float vtxz = collision.posZ(); + + // auto const& tempTracks = tracks.sliceBy(trackPerCollision, static_cast(collision.globalIndex())); + // std::cout << "sliced" << std::endl; + + for (const auto& track : tracks) { + histos.fill(HIST("RecoProcessTrackCounter"), 0.5); + // std::cout << "track loop" << std::endl; + // focus on bulk: e, mu, pi, k, p + auto momentum = std::array{track.px(), track.py(), track.pz()}; + double pt = RecoDecay::pt(momentum); + double eta = RecoDecay::eta(momentum); + // double phi = RecoDecay::phi(momentum); + if (!trackSelected(track) || (!track.has_udMcParticle())) + continue; + histos.fill(HIST("RecoProcessTrackCounter"), 1.5); + // std::cout << "track selected" << std::endl; + auto mcParticle = track.udMcParticle(); + // std::cout << "mc particle" << std::endl; + int pdgCode = std::abs(mcParticle.pdgCode()); + // std::cout << "pdg code" << std::endl; + + // double pt = recoMC.Pt(); + // double eta = recoMC.Eta(); + if (pdgCode != PDG_t::kElectron && pdgCode != PDG_t::kMuonMinus && pdgCode != PDG_t::kPiPlus && pdgCode != PDG_t::kKPlus && pdgCode != PDG_t::kProton) { + // std::cout << "pdg code not in list" << std::endl; + continue; + } + histos.fill(HIST("RecoProcessTrackCounter"), 2.5); + if (std::fabs(eta) > cfgCutEta) { + // std::cout << "cfgcuteta" << std::endl; + continue; + } // main acceptance + histos.fill(HIST("RecoProcessTrackCounter"), 3.5); + if (!mcParticle.isPhysicalPrimary()) { + // std::cout << "not physical primary" << std::endl; + continue; + } + histos.fill(HIST("RecoProcessTrackCounter"), 4.5); + + histos.fill(HIST("hPtReco"), pt); + histos.fill(HIST("hEtaPtVtxzMCReco"), eta, pt, vtxz); + // std::cout << "first loop end" << std::endl; + } } } PROCESS_SWITCH(FlowMcUpc, processReco, "process reconstructed information", true);