diff --git a/PWGUD/Tasks/CMakeLists.txt b/PWGUD/Tasks/CMakeLists.txt index d8aa575b906..ab54549251c 100644 --- a/PWGUD/Tasks/CMakeLists.txt +++ b/PWGUD/Tasks/CMakeLists.txt @@ -254,6 +254,11 @@ o2physics_add_dpl_workflow(flow-correlations-upc PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::AnalysisCore O2Physics::AnalysisCCDB O2Physics::PWGCFCore COMPONENT_NAME Analysis) +o2physics_add_dpl_workflow(flow-mc-upc + SOURCES flowMcUpc.cxx + PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::AnalysisCore O2Physics::AnalysisCCDB O2Physics::GFWCore + COMPONENT_NAME Analysis) + o2physics_add_dpl_workflow(analysis-mc-dpm-jet-sg-v3 SOURCES analysisMCDPMJetSGv3.cxx PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::AnalysisCore @@ -272,4 +277,4 @@ o2physics_add_dpl_workflow(sg-exclusive-jpsi-midrapidity o2physics_add_dpl_workflow(fitbit-mapping SOURCES upcTestFITBitMapping.cxx PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::AnalysisCore - COMPONENT_NAME Analysis) \ No newline at end of file + COMPONENT_NAME Analysis) diff --git a/PWGUD/Tasks/flowCumulantsUpc.cxx b/PWGUD/Tasks/flowCumulantsUpc.cxx index ad75ae1a3c3..9624c1a5c86 100644 --- a/PWGUD/Tasks/flowCumulantsUpc.cxx +++ b/PWGUD/Tasks/flowCumulantsUpc.cxx @@ -125,9 +125,18 @@ struct FlowCumulantsUpc { 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(cfgConsistentEventFlag, int, 0, "Flag to select consistent events - 0: off, 1: v2{2} gap calculable, 2: v2{4} full calculable, 4: v2{4} gap calculable, 8: v2{4} 3sub calculable") + Configurable> cfgUserDefineGFWCorr{"cfgUserDefineGFWCorr", std::vector{"refN02 {2} refP02 {-2}", "refN12 {2} refP12 {-2}"}, "User defined GFW CorrelatorConfig"}; Configurable> cfgUserDefineGFWName{"cfgUserDefineGFWName", std::vector{"Ch02Gap22", "Ch12Gap22"}, "User defined GFW Name"}; Configurable> cfgRunRemoveList{"cfgRunRemoveList", std::vector{-1}, "excluded run numbers"}; + Configurable> cfgConsistentEventVector{"cfgConsistentEventVector", std::vector{-0.8, -0.5, -0.4, 0.4, 0.5, 0.8}, "eta regions: left(min,max), mid(min,max), right(min,max)"}; + struct AcceptedTracks { + int nNeg; + int nMid; + int nPos; + int nFull; + }; ConfigurableAxis axisPtHist{"axisPtHist", {100, 0., 10.}, "pt axis for histograms"}; ConfigurableAxis axisPt{"axisPt", {VARIABLE_WIDTH, 0.2, 0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.55, 0.6, 0.65, 0.7, 0.75, 0.8, 0.85, 0.9, 0.95, 1, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2, 2.2, 2.4, 2.6, 2.8, 3, 3.5, 4, 5, 6, 8, 10}, "pt axis for histograms"}; @@ -217,13 +226,15 @@ struct FlowCumulantsUpc { // Add some output objects to the histogram registry // Event QA - registry.add("hEventCount", "Number of Event;; Count", {HistType::kTH1D, {{5, 0, 5}}}); + registry.add("hEventCount", "Number of Event;; Count", {HistType::kTH1D, {{6, 0, 6}}}); registry.get(HIST("hEventCount"))->GetXaxis()->SetBinLabel(1, "Filtered event"); registry.get(HIST("hEventCount"))->GetXaxis()->SetBinLabel(2, "after gapside selection"); registry.get(HIST("hEventCount"))->GetXaxis()->SetBinLabel(3, "after its selection"); registry.get(HIST("hEventCount"))->GetXaxis()->SetBinLabel(4, "after pt selection"); registry.get(HIST("hEventCount"))->GetXaxis()->SetBinLabel(5, "after occupancy"); - registry.add("hTrackCount", "Number of tracks;; Count", {HistType::kTH1D, {{5, 0, 5}}}); + registry.get(HIST("hEventCount"))->GetXaxis()->SetBinLabel(6, "after consistency check"); + + registry.add("hTrackCount", "Number of tracks;; Count", {HistType::kTH1D, {{7, 0, 7}}}); registry.get(HIST("hTrackCount"))->GetXaxis()->SetBinLabel(1, "after event selection"); registry.get(HIST("hTrackCount"))->GetXaxis()->SetBinLabel(2, "PVContributor"); registry.get(HIST("hTrackCount"))->GetXaxis()->SetBinLabel(3, "dcaz"); @@ -955,7 +966,7 @@ struct FlowCumulantsUpc { registry.fill(HIST("hMult"), tracks.size()); registry.fill(HIST("hCent"), cent); fGFW->Clear(); - if (cfgIfVertex && abs(vtxz) > cfgCutVertex) { + if (cfgIfVertex && std::abs(vtxz) > cfgCutVertex) { return; } registry.fill(HIST("hEventCount"), 3.5); @@ -971,6 +982,8 @@ struct FlowCumulantsUpc { if (cfgUseNch) { independent = static_cast(tracks.size()); } + AcceptedTracks acceptedTracks{0, 0, 0, 0}; + std::vector consistentEventVector = cfgConsistentEventVector; for (const auto& track : tracks) { registry.fill(HIST("hChi2prTPCcls"), track.tpcChi2NCl()); @@ -996,6 +1009,16 @@ struct FlowCumulantsUpc { continue; } registry.fill(HIST("hPt"), track.pt()); + + if (cfgConsistentEventFlag && consistentEventVector.size() == 6) { // o2-linter: disable=magic-number (size match) + acceptedTracks.nFull += 1; + if (eta > consistentEventVector[0] && eta < consistentEventVector[1]) + acceptedTracks.nNeg += 1; + if (eta > consistentEventVector[2] && eta < consistentEventVector[3]) + acceptedTracks.nMid += 1; + if (eta > consistentEventVector[4] && eta < consistentEventVector[5]) + acceptedTracks.nPos += 1; + } if (withinPtRef) { registry.fill(HIST("hPhi"), phi); registry.fill(HIST("hPhiWeighted"), phi, wacc); @@ -1017,6 +1040,23 @@ struct FlowCumulantsUpc { registry.fill(HIST("hEtaNch2D"), eta, tracks.size()); } registry.fill(HIST("hTrackCorrection2d"), tracks.size(), nTracksCorrected); + if (cfgConsistentEventFlag) { + if (cfgConsistentEventFlag & 1) { + if (!acceptedTracks.nPos || !acceptedTracks.nNeg) + return; + } else if (cfgConsistentEventFlag & 2) { + if (acceptedTracks.nFull < 4) // o2-linter: disable=magic-number (at least four tracks in full acceptance) + return; + } else if (cfgConsistentEventFlag & 4) { + if (acceptedTracks.nPos < 2 || acceptedTracks.nNeg < 2) // o2-linter: disable=magic-number (at least two tracks in each subevent) + return; + } + if (cfgConsistentEventFlag & 8) { + if (acceptedTracks.nPos < 2 || acceptedTracks.nMid < 2 || acceptedTracks.nNeg < 2) // o2-linter: disable=magic-number (at least two tracks in all three subevents) + return; + } + } + registry.fill(HIST("hEventCount"), 5.5); // Filling Flow Container for (uint l_ind = 0; l_ind < corrconfigs.size(); l_ind++) { diff --git a/PWGUD/Tasks/flowMcUpc.cxx b/PWGUD/Tasks/flowMcUpc.cxx new file mode 100644 index 00000000000..f7814b80ecf --- /dev/null +++ b/PWGUD/Tasks/flowMcUpc.cxx @@ -0,0 +1,193 @@ +// Copyright 2019-2020 CERN and copyright holders of ALICE O2. +// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders. +// All rights not expressly granted are reserved. +// +// This software is distributed under the terms of the GNU General Public +// License v3 (GPL Version 3), copied verbatim in the file "COPYING". +// +// In applying this license CERN does not waive the privileges and immunities +// granted to it by virtue of its status as an Intergovernmental Organization +// or submit itself to any jurisdiction. + +/// \file flowMcUpc.cxx +/// \author Zhiyong Lu (zhiyong.lu@cern.ch), Yongxi Du (yongxi.du@cern.ch) +/// \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" +#include "Common/Core/TrackSelection.h" +#include "Common/Core/TrackSelectionDefaults.h" +#include "Common/Core/trackUtilities.h" +#include "Common/DataModel/TrackSelectionTables.h" + +#include "Framework/ASoAHelpers.h" +#include "Framework/AnalysisDataModel.h" +#include "Framework/AnalysisTask.h" +#include "Framework/HistogramRegistry.h" +#include "Framework/RunningWorkflowInfo.h" +#include "Framework/runDataProcessing.h" +#include "ReconstructionDataFormats/Track.h" +#include + +#include +#include +#include +#include + +#include +#include + +using namespace o2; +using namespace o2::framework; +using namespace o2::framework::expressions; + +#define O2_DEFINE_CONFIGURABLE(NAME, TYPE, DEFAULT, HELP) Configurable NAME{#NAME, DEFAULT, HELP}; + +struct FlowMcUpc { + HistogramRegistry histos{"Histos", {}, OutputObjHandlingPolicy::AnalysisObject}; + + Configurable minB{"minB", 0.0f, "min impact parameter"}; + Configurable maxB{"maxB", 20.0f, "max impact parameter"}; + O2_DEFINE_CONFIGURABLE(cfgCutVertex, float, 10.0f, "Accepted z-vertex range") + O2_DEFINE_CONFIGURABLE(cfgCutEta, float, 0.8f, "Eta range for tracks") + O2_DEFINE_CONFIGURABLE(cfgPtCutMin, float, 0.1f, "Minimal pT for tracks") + O2_DEFINE_CONFIGURABLE(cfgPtCutMax, float, 1000.0f, "Maximal pT for tracks") + O2_DEFINE_CONFIGURABLE(cfgCutDCAxy, float, 0.2f, "DCAxy cut for tracks") + O2_DEFINE_CONFIGURABLE(cfgDcaxy, bool, true, "choose dcaxy") + + ConfigurableAxis axisB{"axisB", {100, 0.0f, 20.0f}, ""}; + ConfigurableAxis axisPt{"axisPt", {VARIABLE_WIDTH, 0.0f, 0.1f, 0.2f, 0.3f, 0.4f, 0.5f, 0.6f, 0.7f, 0.8f, 0.9f, 1.0f, 1.1f, 1.2f, 1.3f, 1.4f, 1.5f, 1.6f, 1.7f, 1.8f, 1.9f, 2.0f, 2.2f, 2.4f, 2.6f, 2.8f, 3.0f, 3.2f, 3.4f, 3.6f, 3.8f, 4.0f, 4.4f, 4.8f, 5.2f, 5.6f, 6.0f, 6.5f, 7.0f, 7.5f, 8.0f, 9.0f, 10.0f, 11.0f, 12.0f}, "pt axis"}; + // Connect to ccdb + Service ccdb; + Configurable ccdbUrl{"ccdbUrl", "http://alice-ccdb.cern.ch", "url of the ccdb repository"}; + + double epsilon = 1e-6; + + using McParticles = soa::Join; + + void init(InitContext&) + { + 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); + + const AxisSpec axisVertex{20, -10, 10, "Vtxz (cm)"}; + const AxisSpec axisEta{20, -1., 1., "#eta"}; + const AxisSpec axisCounter{1, 0, +1, ""}; + // QA histograms + 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("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}}); + histos.add("hPtReco", "Monte Carlo Reco Global; pT (GeV/c);", {HistType::kTH1D, {axisPt}}); + histos.add("hEtaPtVtxzMCReco", "Monte Carlo Global; #eta; p_{T} (GeV/c); V_{z} (cm);", {HistType::kTH3D, {axisEta, axisPt, axisVertex}}); + } + + // template + // bool eventSelected(TCollision collision) + // { + // return true; + // } + + template + bool trackSelected(TTrack track) + { + auto momentum = std::array{track.px(), track.py(), track.pz()}; + double pt = RecoDecay::pt(momentum); + if (pt < cfgPtCutMin || pt > cfgPtCutMax) { + return false; + } + double dcaLimit = 0.0105 + 0.035 / std::pow(pt, 1.1); + if (cfgDcaxy && !(std::fabs(track.dcaXY()) < dcaLimit)) { + return false; + } + return true; + } + + void processMCTrue(aod::UDMcCollisions::iterator const& mcCollision, McParticles const& mcParticles, aod::BCs const& bcs) + { + if (bcs.size() == 0) { + return; + } + 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); + + for (auto const& mcParticle : mcParticles) { + auto momentum = std::array{mcParticle.px(), mcParticle.py(), mcParticle.pz()}; + double pt = RecoDecay::pt(momentum); + // double phi = RecoDecay::phi(momentum); + double eta = RecoDecay::eta(momentum); + // focus on bulk: e, mu, pi, k, p + int pdgCode = std::abs(mcParticle.pdgCode()); + if (pdgCode != PDG_t::kElectron && pdgCode != PDG_t::kMuonMinus && pdgCode != PDG_t::kPiPlus && pdgCode != kKPlus && pdgCode != PDG_t::kProton) + continue; + + if (!mcParticle.isPhysicalPrimary()) + continue; + // if (std::fabs(mcParticle.eta()) > cfgCutEta) // main acceptance + // continue; + + 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; + + void processReco(MCRecoCollisions::iterator const& collision, MCRecoTracks const& tracks) + { + 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(); + + for (const auto& track : tracks) { + auto momentum = std::array{track.px(), track.py(), track.pz()}; + double pt = RecoDecay::pt(momentum); + // double phi = RecoDecay::phi(momentum); + double eta = RecoDecay::eta(momentum); + if (!trackSelected(track) || (!track.has_udMcParticle())) + continue; + auto mcParticle = track.udMcParticle(); + int pdgCode = std::abs(mcParticle.pdgCode()); + if (pdgCode != PDG_t::kElectron && pdgCode != PDG_t::kMuonMinus && pdgCode != PDG_t::kPiPlus && pdgCode != kKPlus && pdgCode != PDG_t::kProton) + continue; + // if (std::fabs(mcParticle.eta()) > cfgCutEta) // main acceptance + // continue; + if (!mcParticle.isPhysicalPrimary()) + continue; + + histos.fill(HIST("hPtReco"), pt); + histos.fill(HIST("hEtaPtVtxzMCReco"), eta, pt, vtxz); + } + } + PROCESS_SWITCH(FlowMcUpc, processReco, "process reconstructed information", true); +}; + +WorkflowSpec defineDataProcessing(ConfigContext const& cfgc) +{ + return WorkflowSpec{ + adaptAnalysisTask(cfgc)}; +}