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Merged
ArkaprabhaSaha001 merged 1 commit into from
Sep 17, 2025
Merged

Please consider the following formatting changes to #13018 #1

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74 changes: 42 additions & 32 deletions PWGLF/Tasks/Nuspex/Antinucleitask.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -15,31 +15,35 @@
///
/// \brief An analysis task to select and analyze anti-nuclei events and tracks.

#include "Framework/runDataProcessing.h"
#include "Framework/AnalysisTask.h"
#include "Framework/HistogramRegistry.h"
#include "Framework/AnalysisDataModel.h"
#include <TParameter.h>
#include <cmath>
#include "Common/DataModel/EventSelection.h"
#include "Common/Core/PID/TPCPIDResponse.h"
#include "Common/Core/TrackSelection.h"
#include "Common/Core/TrackSelectionDefaults.h"
#include "Common/DataModel/Centrality.h"
#include "Common/DataModel/EventSelection.h"
#include "Common/DataModel/PIDResponse.h"
#include "Common/Core/PID/TPCPIDResponse.h"
#include "Common/DataModel/TrackSelectionTables.h"
#include "Common/DataModel/Centrality.h"

#include "DataFormatsTPC/BetheBlochAleph.h"
#include "Framework/AnalysisDataModel.h"
#include "Framework/AnalysisTask.h"
#include "Framework/HistogramRegistry.h"
#include "Framework/runDataProcessing.h"

#include <TParameter.h>

#include <cmath>

using namespace o2;
using namespace o2::framework;
using CollisionWithEvSel = soa::Join<aod::Collisions, aod::EvSels, aod::CentFT0Cs>;
using TotalTracks = soa::Join<aod::Tracks, aod::TracksExtra, aod::TracksDCA, aod::pidTOFDe>;

namespace {
static const std::vector<std::string> particleName{"d"};
namespace
{
static const std::vector<std::string> particleName{"d"};
static const double kBetheBlochDefault[6]{-1.e32, -1.e32, -1.e32, -1.e32, -1.e32, -1.e32};
static const std::vector<std::string> betheBlochParNames{"p0", "p1", "p2", "p3", "p4", "resolution"};
}
} // namespace

struct Antinucleitask {
// Histogram registry: for holding histograms
Expand All @@ -55,7 +59,7 @@ struct Antinucleitask {
Configurable<LabeledArray<double>> cfgBetheBlochParams{"cfgBetheBlochParams", {kBetheBlochDefault, 1, 6, particleName, betheBlochParNames}, "TPC Bethe-Bloch parameterisation for deuteron"};

void init(InitContext const&)
{ // Defining the Histogram Axes
{ // Defining the Histogram Axes
ConfigurableAxis etaAxis{"etaAxis", {16, -0.8, +0.8}, "#eta"};
ConfigurableAxis phiAxis{"phiAxis", {70, 0.f, 7.f}, "#phi"};
ConfigurableAxis zVtxAxis{"zVtxAxis", {100, -20.f, 20.f}, "Primary Vertex z (cm)"};
Expand All @@ -64,11 +68,10 @@ struct Antinucleitask {
ConfigurableAxis centAxis{"centAxis", {100, 0, 100.0f}, "Centrality"};
ConfigurableAxis momAxis{"momAxis", {5.e2, 0.f, 5.f}, "momentum axis binning"};
ConfigurableAxis tpcAxis{"tpcAxis", {4.e2, 0.f, 4.e3f}, "tpc signal axis binning"};


// Creating histograms
histos.add("RawzVtx", "RawzVtx", kTH1F, {{zVtxAxis, "Primary Vertex z (cm)"}});
histos.add("zVtx", "zVtx", kTH1F,{{zVtxAxis, "Primary Vertex z (cm)"}});
histos.add("zVtx", "zVtx", kTH1F, {{zVtxAxis, "Primary Vertex z (cm)"}});
histos.add("RawEta", "RawEta", kTH1F, {{etaAxis, "#eta"}});
histos.add("Eta", "Eta", kTH1F, {{etaAxis, "#eta"}});
histos.add("RawPhi", "RawPhi", kTH1F, {{phiAxis, "#phi (rad)"}});
Expand All @@ -80,21 +83,28 @@ struct Antinucleitask {
histos.add("tpcNSigma", "tpcNSigma", kTH3F, {{centAxis, "Centrality"}, {ptAxis, "#it{p}_{T} (GeV/#it{c})"}, {NSigmaAxis, "N_{#sigma}"}});
histos.add("RawtofNSigma", "RawtofNSigma", kTH3F, {{centAxis, "Centrality"}, {ptAxis, "#it{p}_{T} (GeV/#it{c})"}, {NSigmaAxis, "N_{#sigma}"}});
histos.add("tofNSigma", "tofNSigma", kTH3F, {{centAxis, "Centrality"}, {ptAxis, "#it{p}_{T} (GeV/#it{c})"}, {NSigmaAxis, "N_{#sigma}"}});

}

//Function to apply track cuts
// Function to apply track cuts
template <typename T>
bool isGoodTrack(const T& track)
{
if (track.eta() > 0.8f) return false;
if (track.tpcNClsFound() < mtrackNclusTPCcut) return false;
if (track.tpcNClsCrossedRows() < 70) return false;
if (track.itsNCls() < mtrackNclusITScut) return false;
if (track.tpcChi2NCl() > mChi2TPC) return false;
if (track.itsChi2NCl() > mChi2ITS) return false;
if (std::abs(track.dcaXY()) > mtrackDCAxy) return false;
if (std::abs(track.dcaZ()) > mtrackDCAz) return false;
if (track.eta() > 0.8f)
return false;
if (track.tpcNClsFound() < mtrackNclusTPCcut)
return false;
if (track.tpcNClsCrossedRows() < 70)
return false;
if (track.itsNCls() < mtrackNclusITScut)
return false;
if (track.tpcChi2NCl() > mChi2TPC)
return false;
if (track.itsChi2NCl() > mChi2ITS)
return false;
if (std::abs(track.dcaXY()) > mtrackDCAxy)
return false;
if (std::abs(track.dcaZ()) > mtrackDCAz)
return false;

return true;
}
Expand Down Expand Up @@ -132,21 +142,20 @@ struct Antinucleitask {
histos.fill(HIST("RawPt"), pt);
histos.fill(HIST("RawtpcNSigma"), collision.centFT0C(), pt, tpcNSigmaDeuteron);
histos.fill(HIST("RawtofNSigma"), collision.centFT0C(), pt, track.tofNSigmaDe());

// If the track is good, fill the "after cuts" histograms.
if (isGoodTrack(track)) {
histos.fill(HIST("Eta"), track.eta());
histos.fill(HIST("Phi"), track.phi());
histos.fill(HIST("Pt"), pt);

histos.fill(HIST("tpcNSigma"), collision.centFT0C(), pt, tpcNSigmaDeuteron);

histos.fill(HIST("TpcSignal"), track.tpcInnerParam(), track.tpcSignal());

if (std::abs(tpcNSigmaDeuteron)< 3.f) {
histos.fill(HIST("tofNSigma"), collision.centFT0C(), pt, track.tofNSigmaDe());
}

if (std::abs(tpcNSigmaDeuteron) < 3.f) {
histos.fill(HIST("tofNSigma"), collision.centFT0C(), pt, track.tofNSigmaDe());
}
}
}
}
Expand All @@ -158,4 +167,5 @@ WorkflowSpec defineDataProcessing(ConfigContext const& cfgc)
{
return WorkflowSpec{
adaptAnalysisTask<Antinucleitask>(cfgc)};
}
}