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jgrosseo merged 1 commit into from
Jan 14, 2021
Merged

Add histrogram register and track selection #5174

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84 changes: 55 additions & 29 deletions Analysis/Tasks/PWGLF/NucleiSpectraTask.cxx
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Expand Up @@ -7,54 +7,80 @@
// 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.
// O2 includes

#include "ReconstructionDataFormats/Track.h"
#include "Framework/runDataProcessing.h"
#include "Framework/AnalysisTask.h"
#include "Framework/AnalysisDataModel.h"

#include "Framework/ASoAHelpers.h"
#include "AnalysisDataModel/PID/PIDResponse.h"
#include "AnalysisDataModel/TrackSelectionTables.h"

// #include "AnalysisDataModel/EventSelection.h"
// #include "AnalysisDataModel/TrackSelectionTables.h"
// #include "AnalysisDataModel/Centrality.h"

#include "Framework/HistogramRegistry.h"

#include <TLorentzVector.h>

#include <TH1F.h>
#include <TH2F.h>
#include <cmath>

using namespace o2;
using namespace o2::framework;
using namespace o2::framework::expressions;

struct NucleiSpecraTask {

OutputObj<TH2F> hTPCsignal{TH2F("hTPCsignal", ";#it{p} (GeV/#it{c}); d#it{E} / d#it{X} (a. u.)", 600, 0., 3, 1400, 0, 1400)};
OutputObj<TH1F> hMomentum{TH1F("hMomentum", ";#it{p} (GeV/#it{c});", 600, 0., 3.)};
HistogramRegistry spectra{"spectra", {}, OutputObjHandlingPolicy::AnalysisObject, true, true};

Configurable<float> absEtaMax{"absEtaMax", 0.8, "pseudo-rapidity edges"};
Configurable<float> absYmax{"absYmax", 0.5, "rapidity edges"};
Configurable<float> beamRapidity{"yBeam", 0., "beam rapidity"};
Configurable<float> chi2TPCperNDF{"chi2TPCperNDF", 4., "chi2 per NDF in TPC"};
Configurable<float> foundFractionTPC{"foundFractionTPC", 0., "TPC clusters / TPC crossed rows"};
Configurable<int> recPointsTPC{"recPointsTPC", 0, "clusters in TPC"};
Configurable<int> signalClustersTPC{"signalClustersTPC", 70, "clusters with PID in TPC"};
Configurable<float> minEnergyLoss{"minEnergyLoss", 0., "energy loss in TPC"};
Configurable<int> recPointsITS{"recPointsITS", 2, "number of ITS points"};
Configurable<int> recPointsITSInnerBarrel{"recPointsITSInnerBarrel", 1, "number of points in ITS Inner Barrel"};
void init(o2::framework::InitContext&)
{
std::vector<double> ptBinning = {0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.8, 2.0, 2.2, 2.4, 2.8, 3.2, 3.6, 4., 5.};
std::vector<double> centBinning = {0., 1., 5., 10., 20., 30., 40., 50., 70., 100.};

AxisSpec ptAxis = {ptBinning, "#it{p}_{T} (GeV/#it{c})"};
AxisSpec centAxis = {centBinning, "V0M (%)"};

spectra.add("fTPCsignal", "Specific energy loss", HistType::kTH2F, {{600, 0., 3, "#it{p} (GeV/#it{c})"}, {1400, 0, 1400, "d#it{E} / d#it{X} (a. u.)"}});

spectra.add("fTPCcounts", "n-sigma TPC", HistType::kTH2F, {ptAxis, {200, -5, 5, "n#sigma_{d} (a. u.)"}});
}

Filter etaFilter = aod::track::eta > -1 * absEtaMax&& aod::track::eta < absEtaMax;
Filter chi2Filter = aod::track::tpcChi2NCl < chi2TPCperNDF;
Configurable<float> yMin{"yMin", -0.5, "Maximum rapidity"};
Configurable<float> yMax{"yMax", 0.5, "Minimum rapidity"};
Configurable<float> yBeam{"yBeam", 0., "Beam rapidity"};

void process(soa::Filtered<soa::Join<aod::Tracks, aod::TracksExtra>> const& tracks)
Configurable<float> cfgCutVertex{"cfgCutVertex", 10.0f, "Accepted z-vertex range"};
Configurable<float> cfgCutEta{"cfgCutEta", 0.8f, "Eta range for tracks"};
Configurable<float> nsigmacut{"nsigmacut", 3, "Value of the Nsigma cut"};

Filter collisionFilter = nabs(aod::collision::posZ) < cfgCutVertex;
Filter trackFilter = (nabs(aod::track::eta) < cfgCutEta) && (aod::track::isGlobalTrack == (uint8_t) true);

using TrackCandidates = soa::Filtered<soa::Join<aod::Tracks, aod::TracksExtra, aod::pidRespTPC, aod::pidRespTOF, aod::pidRespTOFbeta, aod::TrackSelection>>;

void process(/*soa::Join<aod::Collisions, aod::EvSels, aod::Cents> aod::Collisions::iterator const& col, */ TrackCandidates const& tracks)
{
for (auto& track : tracks) {
// Part not covered by filters
if (track.tpcNClsFound() < recPointsTPC) {
continue;
}
if (track.itsNCls() < recPointsITS) {
continue;
}
if (track.itsNClsInnerBarrel() < recPointsITSInnerBarrel) {
/*
if (!col.alias()[kINT7])
return;
if (!col.sel7())
return;

fMultiplicity->Fill(col.centV0M());
*/
for (auto track : tracks) {

TLorentzVector cutVector{};
cutVector.SetPtEtaPhiM(track.pt(), track.eta(), track.phi(), constants::physics::MassDeuteron);
if (cutVector.Rapidity() < yMin + yBeam || cutVector.Rapidity() > yMax + yBeam) {
continue;
}

hTPCsignal->Fill(track.tpcInnerParam(), track.tpcSignal());
hMomentum->Fill(track.p());
spectra.fill(HIST("fTPCsignal"), track.p(), track.tpcSignal());
spectra.fill(HIST("fTPCcounts"), fabs(track.pt()), track.tpcNSigmaDe());
}
}
};
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