From d616170a841e8b1ee1a1e5a3a4a8aa00dbae1c3d Mon Sep 17 00:00:00 2001 From: miedema-11 <1260971129@qq.com> Date: Thu, 2 Apr 2026 12:52:23 +0800 Subject: [PATCH 1/4] add event consistency flag --- PWGUD/Tasks/flowCumulantsUpc.cxx | 96 +++++++++++++++++++++----------- 1 file changed, 63 insertions(+), 33 deletions(-) diff --git a/PWGUD/Tasks/flowCumulantsUpc.cxx b/PWGUD/Tasks/flowCumulantsUpc.cxx index ad75ae1a3c3..49ef99e88e4 100644 --- a/PWGUD/Tasks/flowCumulantsUpc.cxx +++ b/PWGUD/Tasks/flowCumulantsUpc.cxx @@ -14,51 +14,41 @@ /// \since Mar/2025 /// \brief jira: , task to measure flow observables with cumulant method +#include "FlowContainer.h" +#include "GFW.h" +#include "GFWCumulant.h" +#include "GFWPowerArray.h" +#include "GFWWeights.h" + #include "PWGUD/Core/SGSelector.h" +#include "PWGUD/DataModel/SGTables.h" #include "PWGUD/DataModel/UDTables.h" -// -#include "PWGCF/GenericFramework/Core/FlowContainer.h" -#include "PWGCF/GenericFramework/Core/GFW.h" -#include "PWGCF/GenericFramework/Core/GFWWeights.h" #include "Common/CCDB/ctpRateFetcher.h" #include "Common/Core/RecoDecay.h" #include "Common/Core/TrackSelection.h" #include "Common/Core/TrackSelectionDefaults.h" - +#include "Common/DataModel/Centrality.h" +#include "Common/DataModel/EventSelection.h" +#include "Common/DataModel/Multiplicity.h" +#include "Common/DataModel/TrackSelectionTables.h" + +#include "Framework/ASoAHelpers.h" +#include "Framework/AnalysisTask.h" +#include "Framework/HistogramRegistry.h" +#include "Framework/RunningWorkflowInfo.h" +#include "Framework/runDataProcessing.h" #include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include + +#include "TList.h" +#include "TVector3.h" #include -#include -#include -#include #include #include #include -#include - -#include - -#include #include -#include #include -#include #include #include #include @@ -125,9 +115,17 @@ 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 +215,14 @@ 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 +954,7 @@ 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 +970,8 @@ 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 +997,17 @@ 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); @@ -1018,6 +1030,24 @@ struct FlowCumulantsUpc { } 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++) { fillFC(corrconfigs.at(l_ind), independent, lRandom); From 913605ee5cae54f8762f56482ae9ab1849e5128b Mon Sep 17 00:00:00 2001 From: miedema-11 <1260971129@qq.com> Date: Thu, 2 Apr 2026 17:33:37 +0800 Subject: [PATCH 2/4] add event consistency flag --- PWGUD/Tasks/flowCumulantsUpc.cxx | 54 +++++++++++++++++++------------- 1 file changed, 32 insertions(+), 22 deletions(-) diff --git a/PWGUD/Tasks/flowCumulantsUpc.cxx b/PWGUD/Tasks/flowCumulantsUpc.cxx index 49ef99e88e4..9624c1a5c86 100644 --- a/PWGUD/Tasks/flowCumulantsUpc.cxx +++ b/PWGUD/Tasks/flowCumulantsUpc.cxx @@ -14,41 +14,51 @@ /// \since Mar/2025 /// \brief jira: , task to measure flow observables with cumulant method -#include "FlowContainer.h" -#include "GFW.h" -#include "GFWCumulant.h" -#include "GFWPowerArray.h" -#include "GFWWeights.h" - #include "PWGUD/Core/SGSelector.h" -#include "PWGUD/DataModel/SGTables.h" #include "PWGUD/DataModel/UDTables.h" +// +#include "PWGCF/GenericFramework/Core/FlowContainer.h" +#include "PWGCF/GenericFramework/Core/GFW.h" +#include "PWGCF/GenericFramework/Core/GFWWeights.h" #include "Common/CCDB/ctpRateFetcher.h" #include "Common/Core/RecoDecay.h" #include "Common/Core/TrackSelection.h" #include "Common/Core/TrackSelectionDefaults.h" -#include "Common/DataModel/Centrality.h" -#include "Common/DataModel/EventSelection.h" -#include "Common/DataModel/Multiplicity.h" -#include "Common/DataModel/TrackSelectionTables.h" - -#include "Framework/ASoAHelpers.h" -#include "Framework/AnalysisTask.h" -#include "Framework/HistogramRegistry.h" -#include "Framework/RunningWorkflowInfo.h" -#include "Framework/runDataProcessing.h" -#include -#include "TList.h" -#include "TVector3.h" +#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 #include +#include #include #include #include @@ -116,6 +126,7 @@ struct FlowCumulantsUpc { 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"}; @@ -222,6 +233,7 @@ struct FlowCumulantsUpc { registry.get(HIST("hEventCount"))->GetXaxis()->SetBinLabel(4, "after pt selection"); registry.get(HIST("hEventCount"))->GetXaxis()->SetBinLabel(5, "after occupancy"); 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"); @@ -1007,7 +1019,6 @@ struct FlowCumulantsUpc { if (eta > consistentEventVector[4] && eta < consistentEventVector[5]) acceptedTracks.nPos += 1; } - if (withinPtRef) { registry.fill(HIST("hPhi"), phi); registry.fill(HIST("hPhiWeighted"), phi, wacc); @@ -1029,7 +1040,6 @@ 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) From 7290de79c16209828cb328e5dae0b34481debb6c Mon Sep 17 00:00:00 2001 From: miedema-11 <1260971129@qq.com> Date: Thu, 2 Apr 2026 21:19:02 +0800 Subject: [PATCH 3/4] MC analysis for flow --- PWGUD/Tasks/CMakeLists.txt | 7 +- PWGUD/Tasks/flowMcUpc.cxx | 193 +++++++++++++++++++++++++++++++++++++ 2 files changed, 199 insertions(+), 1 deletion(-) create mode 100644 PWGUD/Tasks/flowMcUpc.cxx 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/flowMcUpc.cxx b/PWGUD/Tasks/flowMcUpc.cxx new file mode 100644 index 00000000000..457367cf97d --- /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)}; +} From 9c3c8206f727db2f45132abd9f66029d9fbbcd18 Mon Sep 17 00:00:00 2001 From: miedema-11 <1260971129@qq.com> Date: Wed, 8 Apr 2026 14:32:14 +0800 Subject: [PATCH 4/4] use get track size --- PWGUD/Tasks/flowCorrelationsUpc.cxx | 9 ++++ PWGUD/Tasks/flowMcUpc.cxx | 77 ++++++++++++++++++++--------- 2 files changed, 64 insertions(+), 22 deletions(-) diff --git a/PWGUD/Tasks/flowCorrelationsUpc.cxx b/PWGUD/Tasks/flowCorrelationsUpc.cxx index 061eda25566..bebb14f1158 100644 --- a/PWGUD/Tasks/flowCorrelationsUpc.cxx +++ b/PWGUD/Tasks/flowCorrelationsUpc.cxx @@ -382,6 +382,15 @@ struct FlowCorrelationsUpc { // the process for filling the mixed events void processMixed(UDCollisionsFull const& collisions, UdTracksFull const& tracks) { + 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 diff --git a/PWGUD/Tasks/flowMcUpc.cxx b/PWGUD/Tasks/flowMcUpc.cxx index 457367cf97d..ffa9455d0dd 100644 --- a/PWGUD/Tasks/flowMcUpc.cxx +++ b/PWGUD/Tasks/flowMcUpc.cxx @@ -23,16 +23,17 @@ #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 +#include +#include +#include -#include #include #include #include @@ -43,6 +44,7 @@ using namespace o2; using namespace o2::framework; using namespace o2::framework::expressions; +using LorentzVectorM = ROOT::Math::LorentzVector>; #define O2_DEFINE_CONFIGURABLE(NAME, TYPE, DEFAULT, HELP) Configurable NAME{#NAME, DEFAULT, HELP}; @@ -96,10 +98,10 @@ struct FlowMcUpc { // } template - bool trackSelected(TTrack track) + bool trackSelected(TTrack const& track) { - auto momentum = std::array{track.px(), track.py(), track.pz()}; - double pt = RecoDecay::pt(momentum); + // auto momentum = std::array{track.px(), track.py(), track.pz()}; + double pt = track.pt(); if (pt < cfgPtCutMin || pt > cfgPtCutMax) { return false; } @@ -124,15 +126,28 @@ struct FlowMcUpc { 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 + // auto momentum = std::array{mcParticle.px(), mcParticle.py(), mcParticle.pz()}; + LorentzVectorM pMC(mcParticle.px(), mcParticle.py(), mcParticle.pz(), 0); // double phi = RecoDecay::phi(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) + if (pdgCode == PDG_t::kElectron) + pMC.SetM(o2::constants::physics::MassElectron); + else if (pdgCode == PDG_t::kMuonMinus) + pMC.SetM(o2::constants::physics::MassMuon); + else if (pdgCode == PDG_t::kPiPlus) + pMC.SetM(o2::constants::physics::MassPionCharged); + else if (pdgCode == PDG_t::kKPlus) + pMC.SetM(o2::constants::physics::MassKaonCharged); + else if (pdgCode == PDG_t::kProton) + pMC.SetM(o2::constants::physics::MassProton); + else continue; + double pt = pMC.Pt(); + double eta = pMC.Eta(); + + // 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(mcParticle.eta()) > cfgCutEta) // main acceptance @@ -164,16 +179,34 @@ struct FlowMcUpc { 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); + LorentzVectorM recoMC(track.px(), track.py(), track.pz(), 0); + // double phi = RecoDecay::phi(momentum); + // focus on bulk: e, mu, pi, k, p + // auto momentum = std::array{track.px(), track.py(), track.pz()}; + // double pt = track.pt(); + // double phi = RecoDecay::phi(momentum); + // double eta = track.eta(); 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) + if (pdgCode == PDG_t::kElectron) + recoMC.SetM(o2::constants::physics::MassElectron); + else if (pdgCode == PDG_t::kMuonMinus) + recoMC.SetM(o2::constants::physics::MassMuon); + else if (pdgCode == PDG_t::kPiPlus) + recoMC.SetM(o2::constants::physics::MassPionCharged); + else if (pdgCode == PDG_t::kKPlus) + recoMC.SetM(o2::constants::physics::MassKaonCharged); + else if (pdgCode == PDG_t::kProton) + recoMC.SetM(o2::constants::physics::MassProton); + else continue; + + 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(mcParticle.eta()) > cfgCutEta) // main acceptance // continue; if (!mcParticle.isPhysicalPrimary())