[PWGUD] MC analysis for flow #15626
+242
−4
There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change | ||||
|---|---|---|---|---|---|---|
| @@ -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 <CCDB/BasicCCDBManager.h> | ||||||
|
|
||||||
| #include <TF1.h> | ||||||
|
Collaborator
There was a problem hiding this comment. I don't see any mention of |
||||||
| #include <TPDGCode.h> | ||||||
| #include <TProfile.h> | ||||||
| #include <TRandom3.h> | ||||||
|
|
||||||
| #include <string> | ||||||
| #include <vector> | ||||||
|
|
||||||
| using namespace o2; | ||||||
| using namespace o2::framework; | ||||||
| using namespace o2::framework::expressions; | ||||||
|
|
||||||
| #define O2_DEFINE_CONFIGURABLE(NAME, TYPE, DEFAULT, HELP) Configurable<TYPE> NAME{#NAME, DEFAULT, HELP}; | ||||||
|
|
||||||
| struct FlowMcUpc { | ||||||
| HistogramRegistry histos{"Histos", {}, OutputObjHandlingPolicy::AnalysisObject}; | ||||||
|
|
||||||
| Configurable<float> minB{"minB", 0.0f, "min impact parameter"}; | ||||||
| Configurable<float> 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::BasicCCDBManager> ccdb; | ||||||
| Configurable<std::string> ccdbUrl{"ccdbUrl", "http://alice-ccdb.cern.ch", "url of the ccdb repository"}; | ||||||
|
|
||||||
| double epsilon = 1e-6; | ||||||
|
|
||||||
| using McParticles = soa::Join<aod::UDMcParticles, aod::UDMcTrackLabels>; | ||||||
|
|
||||||
| void init(InitContext&) | ||||||
| { | ||||||
| ccdb->setURL(ccdbUrl.value); | ||||||
| ccdb->setCaching(true); | ||||||
| auto now = std::chrono::duration_cast<std::chrono::milliseconds>(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<TH1>("mcEventCounter", "Monte Carlo Truth EventCounter", HistType::kTH1F, {{5, 0, 5}}); | ||||||
| histos.add<TH1>("RecoProcessEventCounter", "Reconstruction EventCounter", HistType::kTH1F, {{5, 0, 5}}); | ||||||
| histos.add<TH1>("hImpactParameter", "hImpactParameter", HistType::kTH1D, {axisB}); | ||||||
|
|
||||||
| histos.add<TH1>("hPtMCGen", "Monte Carlo Truth; pT (GeV/c);", {HistType::kTH1D, {axisPt}}); | ||||||
| histos.add<TH3>("hEtaPtVtxzMCGen", "Monte Carlo Truth; #eta; p_{T} (GeV/c); V_{z} (cm);", {HistType::kTH3D, {axisEta, axisPt, axisVertex}}); | ||||||
| histos.add<TH1>("hPtReco", "Monte Carlo Reco Global; pT (GeV/c);", {HistType::kTH1D, {axisPt}}); | ||||||
| histos.add<TH3>("hEtaPtVtxzMCReco", "Monte Carlo Global; #eta; p_{T} (GeV/c); V_{z} (cm);", {HistType::kTH3D, {axisEta, axisPt, axisVertex}}); | ||||||
| } | ||||||
|
|
||||||
| // template <typename TCollision> | ||||||
| // bool eventSelected(TCollision collision) | ||||||
| // { | ||||||
| // return true; | ||||||
| // } | ||||||
|
|
||||||
| template <typename TTrack> | ||||||
| bool trackSelected(TTrack track) | ||||||
|
|
||||||
| { | ||||||
| auto momentum = std::array<double, 3>{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<double, 3>{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) | ||||||
|
Collaborator
There was a problem hiding this comment.
Suggested change
|
||||||
| 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<aod::UDTracks, aod::UDTracksPID, aod::UDTracksExtra, aod::UDTracksFlags, aod::UDTracksDCA, aod::UDMcTrackLabels>; | ||||||
| using MCRecoCollisions = soa::Join<aod::UDCollisions, aod::SGCollisions, aod::UDCollisionSelExtras, aod::UDCollisionsSels, aod::UDZdcsReduced, aod::UDMcCollsLabels>; | ||||||
|
|
||||||
| 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<double, 3>{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<FlowMcUpc>(cfgc)}; | ||||||
| } | ||||||
Oops, something went wrong.
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Wrong format.