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[PWGLF] added phi v1 and costhetastar for SA #11592

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Merged
dmallick2 merged 1 commit into from
Jun 18, 2025
Merged

[PWGLF] added phi v1 and costhetastar for SA #11592

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115 changes: 68 additions & 47 deletions PWGLF/Tasks/Resonances/kstarpbpb.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -10,50 +10,51 @@
// or submit itself to any jurisdiction.
// sourav.kundu@cern.ch , sarjeeta.gami@cern.ch

#include <TH1F.h>
#include "PWGLF/DataModel/EPCalibrationTables.h"
#include "PWGMM/Mult/DataModel/Index.h" // for Particles2Tracks table

#include "Common/Core/TrackSelection.h"
#include "Common/Core/trackUtilities.h"
#include "Common/DataModel/Centrality.h"
#include "Common/DataModel/EventSelection.h"
#include "Common/DataModel/Multiplicity.h"
#include "Common/DataModel/PIDResponse.h"
#include "Common/DataModel/PIDResponseITS.h"
#include "Common/DataModel/TrackSelectionTables.h"

#include "CCDB/BasicCCDBManager.h"
#include "CCDB/CcdbApi.h"
#include "CommonConstants/PhysicsConstants.h"
#include "DataFormatsParameters/GRPMagField.h"
#include "DataFormatsParameters/GRPObject.h"
#include "Framework/ASoAHelpers.h"
#include "Framework/AnalysisDataModel.h"
#include "Framework/AnalysisTask.h"
#include "Framework/HistogramRegistry.h"
#include "Framework/StepTHn.h"
#include "Framework/runDataProcessing.h"
#include "ReconstructionDataFormats/Track.h"

#include "Math/GenVector/Boost.h"
#include "Math/Vector3D.h"
#include "Math/Vector4D.h"
#include "TF1.h"
#include "TRandom3.h"
#include <TDirectory.h>
#include <TFile.h>
#include <TH1F.h>
#include <TH2F.h>
#include <THn.h>
#include <TLorentzVector.h>
#include <TMath.h>
#include <TObjArray.h>
#include <TFile.h>
#include <TH2F.h>
#include <TLorentzVector.h>
#include <TPDGCode.h>
#include <cmath>

#include <array>
#include <cmath>
#include <cstdlib>
#include <vector>
#include <string>

#include "TRandom3.h"
#include "Math/Vector3D.h"
#include "Math/Vector4D.h"
#include "Math/GenVector/Boost.h"
#include "TF1.h"

#include "PWGLF/DataModel/EPCalibrationTables.h"
#include "Framework/runDataProcessing.h"
#include "Framework/AnalysisTask.h"
#include "Framework/AnalysisDataModel.h"
#include "Framework/HistogramRegistry.h"
#include "Framework/StepTHn.h"
#include "Common/DataModel/PIDResponse.h"
#include "Common/DataModel/Multiplicity.h"
#include "Common/DataModel/Centrality.h"
#include "Common/DataModel/TrackSelectionTables.h"
#include "Common/DataModel/EventSelection.h"
#include "Common/Core/trackUtilities.h"
#include "CommonConstants/PhysicsConstants.h"
#include "Common/Core/TrackSelection.h"
#include "Framework/ASoAHelpers.h"
#include "ReconstructionDataFormats/Track.h"
#include "DataFormatsParameters/GRPObject.h"
#include "DataFormatsParameters/GRPMagField.h"
#include "CCDB/BasicCCDBManager.h"
#include "CCDB/CcdbApi.h"
#include "Common/DataModel/PIDResponseITS.h"
#include "PWGMM/Mult/DataModel/Index.h" // for Particles2Tracks table
#include <vector>

using namespace o2;
using namespace o2::framework;
Expand Down Expand Up @@ -101,6 +102,7 @@
Configurable<float> cfgCutDCAxy{"cfgCutDCAxy", 2.0f, "DCAxy range for tracks"};
Configurable<float> cfgCutDCAz{"cfgCutDCAz", 2.0f, "DCAz range for tracks"};
Configurable<bool> useGlobalTrack{"useGlobalTrack", true, "use Global track"};
Configurable<bool> usepolar{"usepolar", true, "flag to fill type of SA"};
Configurable<float> nsigmaCutTOF{"nsigmacutTOF", 3.0, "Value of the TOF Nsigma cut"};
Configurable<float> nsigmaCutTPC{"nsigmacutTPC", 3.0, "Value of the TPC Nsigma cut"};
Configurable<bool> isTOFOnly{"isTOFOnly", false, "use TOF only PID"};
Expand Down Expand Up @@ -159,8 +161,8 @@
Preslice<TrackMCRecTable> perCollision = aod::track::collisionId;

SliceCache cache;
Partition<TrackCandidates> posTracks = aod::track::signed1Pt > cfgCutCharge;
Partition<TrackCandidates> negTracks = aod::track::signed1Pt < cfgCutCharge;
// Partition<TrackCandidates> posTracks = aod::track::signed1Pt > cfgCutCharge;
// Partition<TrackCandidates> negTracks = aod::track::signed1Pt < cfgCutCharge;

HistogramRegistry histos{"histos", {}, OutputObjHandlingPolicy::AnalysisObject};

Expand All @@ -183,8 +185,8 @@
AxisSpec resAxis = {6000, -30, 30, "Res"};
AxisSpec centAxis = {8, 0, 80, "V0M (%)"};
AxisSpec occupancyAxis = {occupancyBinning, "Occupancy"};
histos.add("hEvtSelInfo", "hEvtSelInfo", kTH1F, {{10, 0, 10.0}});
if (!fillSA) {
histos.add("hEvtSelInfo", "hEvtSelInfo", kTH1F, {{10, 0, 10.0}});
if (same) {
histos.add("hSparseV2SASameEvent_V2", "hSparseV2SASameEvent_V2", HistType::kTHnSparseF, {configThnAxisInvMass, configThnAxisPt, configThnAxisV2, configThnAxisCentrality});
}
Expand Down Expand Up @@ -336,23 +338,23 @@
bool selectionPIDNew(const T& candidate, int PID)
{
if (PID == 0) {
if (candidate.pt() < 0.5 && TMath::Abs(candidate.tpcNSigmaKa()) < nsigmaCutTPC) {

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return true;
}
if (candidate.pt() >= 0.5 && TMath::Abs(candidate.tpcNSigmaKa()) < nsigmaCutTPC && candidate.hasTOF() && TMath::Abs(candidate.tofNSigmaKa()) < nsigmaCutTOF && candidate.beta() > cfgCutTOFBeta) {

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return true;
}
if (candidate.pt() >= 0.5 && TMath::Abs(candidate.tpcNSigmaKa()) < nsigmaCutTPC && !candidate.hasTOF()) {

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return true;
}
} else if (PID == 1) {
if (candidate.pt() < 0.5 && TMath::Abs(candidate.tpcNSigmaPi()) < nsigmaCutTPC) {

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return true;
}
if (candidate.pt() >= 0.5 && TMath::Abs(candidate.tpcNSigmaPi()) < nsigmaCutTPC && candidate.hasTOF() && TMath::Abs(candidate.tofNSigmaPi()) < nsigmaCutTOF && candidate.beta() > cfgCutTOFBeta) {

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return true;
}
if (candidate.pt() >= 0.5 && TMath::Abs(candidate.tpcNSigmaPi()) < nsigmaCutTPC && !candidate.hasTOF()) {

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return true;
}
}
Expand All @@ -362,12 +364,12 @@
bool selectionPID2(const T& candidate, int PID)
{
if (PID == 0) {
if (candidate.hasTOF() && candidate.beta() > cfgCutTOFBeta && TMath::Abs(candidate.tofNSigmaKa()) < nsigmaCutTOF) {

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return true;
}
}
if (PID == 1) {
if (candidate.hasTOF() && candidate.beta() > cfgCutTOFBeta && TMath::Abs(candidate.tofNSigmaPi()) < nsigmaCutTOF) {

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return true;
}
}
Expand All @@ -377,7 +379,7 @@
bool selectionPID(const T& candidate, int PID)
{
if (PID == 0) {
if (!isNoTOF && !candidate.hasTOF() && TMath::Abs(candidate.tpcNSigmaKa()) < nsigmaCutTPC) {

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return true;
}
if (!isNoTOF && candidate.hasTOF() && ((candidate.tofNSigmaKa() * candidate.tofNSigmaKa()) + (candidate.tpcNSigmaKa() * candidate.tpcNSigmaKa())) < (nsigmaCutCombined * nsigmaCutCombined)) {
Expand All @@ -387,7 +389,7 @@
return true;
}
} else if (PID == 1) {
if (!isNoTOF && !candidate.hasTOF() && TMath::Abs(candidate.tpcNSigmaPi()) < nsigmaCutTPC) {

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return true;
}
if (!isNoTOF && candidate.hasTOF() && ((candidate.tofNSigmaPi() * candidate.tofNSigmaPi()) + (candidate.tpcNSigmaPi() * candidate.tpcNSigmaPi())) < (nsigmaCutCombined * nsigmaCutCombined)) {
Expand Down Expand Up @@ -663,15 +665,25 @@
threeVecDauCM = fourVecDauCM.Vect();
threeVecDauCMXY = ROOT::Math::XYZVector(threeVecDauCM.X(), threeVecDauCM.Y(), 0.);
eventplaneVec = ROOT::Math::XYZVector(std::cos(2.0 * psiFT0C), std::sin(2.0 * psiFT0C), 0);
eventplaneVecNorm = ROOT::Math::XYZVector(std::sin(2.0 * psiFT0C), -std::cos(2.0 * psiFT0C), 0);
auto cosPhistarminuspsi = GetPhiInRange(fourVecDauCM.Phi() - psiFT0C);
auto SA = TMath::Cos(2.0 * cosPhistarminuspsi);
auto cosThetaStar = eventplaneVecNorm.Dot(threeVecDauCM) / std::sqrt(threeVecDauCM.Mag2()) / std::sqrt(eventplaneVecNorm.Mag2());

if (track1Sign * track2Sign < 0)
histos.fill(HIST("hSparseSAvsrapsameunlike"), KstarMother.M(), KstarMother.Pt(), SA, KstarMother.Rapidity(), centrality);
else if (track1Sign * track2Sign > 0)
histos.fill(HIST("hSparseSAvsrapsamelike"), KstarMother.M(), KstarMother.Pt(), SA, KstarMother.Rapidity(), centrality);
if (track1Sign * track2Sign < 0) {
if (usepolar) {
histos.fill(HIST("hSparseSAvsrapsameunlike"), KstarMother.M(), KstarMother.Pt(), cosThetaStar, KstarMother.Rapidity(), centrality);
} else {
histos.fill(HIST("hSparseSAvsrapsameunlike"), KstarMother.M(), KstarMother.Pt(), SA, KstarMother.Rapidity(), centrality);
}
} else if (track1Sign * track2Sign > 0) {
if (usepolar) {
histos.fill(HIST("hSparseSAvsrapsamelike"), KstarMother.M(), KstarMother.Pt(), cosThetaStar, KstarMother.Rapidity(), centrality);
} else {
histos.fill(HIST("hSparseSAvsrapsamelike"), KstarMother.M(), KstarMother.Pt(), SA, KstarMother.Rapidity(), centrality);
}
}
}

if (fillRotation) {
for (int nrotbkg = 0; nrotbkg < nBkgRotations; nrotbkg++) {
auto anglestart = confMinRot;
Expand Down Expand Up @@ -707,8 +719,12 @@
threeVecDauCMXYrot = ROOT::Math::XYZVector(threeVecDauCMrot.X(), threeVecDauCMrot.Y(), 0.);
auto cosPhistarminuspsirot = GetPhiInRange(fourVecDauCMrot.Phi() - psiFT0C);
auto SArot = TMath::Cos(2.0 * cosPhistarminuspsirot);

histos.fill(HIST("hSparseSAvsraprot"), kstarrot.M(), kstarrot.Pt(), SArot, kstarrot.Rapidity(), centrality);
auto cosThetaStarrot = eventplaneVecNorm.Dot(threeVecDauCMrot) / std::sqrt(threeVecDauCMrot.Mag2()) / std::sqrt(eventplaneVecNorm.Mag2());
if (usepolar) {
histos.fill(HIST("hSparseSAvsraprot"), kstarrot.M(), kstarrot.Pt(), cosThetaStarrot, kstarrot.Rapidity(), centrality);
} else {
histos.fill(HIST("hSparseSAvsraprot"), kstarrot.M(), kstarrot.Pt(), SArot, kstarrot.Rapidity(), centrality);
}
}
}
}
Expand Down Expand Up @@ -1203,10 +1219,15 @@
threeVecDauCM = fourVecDauCM.Vect();
threeVecDauCMXY = ROOT::Math::XYZVector(threeVecDauCM.X(), threeVecDauCM.Y(), 0.);
eventplaneVec = ROOT::Math::XYZVector(std::cos(2.0 * psiFT0C), std::sin(2.0 * psiFT0C), 0);
eventplaneVecNorm = ROOT::Math::XYZVector(std::sin(2.0 * psiFT0C), -std::cos(2.0 * psiFT0C), 0);
auto cosPhistarminuspsi = GetPhiInRange(fourVecDauCM.Phi() - psiFT0C);
auto SA = TMath::Cos(2.0 * cosPhistarminuspsi);

histos.fill(HIST("hSparseSAvsrapmix"), KstarMother.M(), KstarMother.Pt(), SA, KstarMother.Rapidity(), centrality);
auto cosThetaStar = eventplaneVecNorm.Dot(threeVecDauCM) / std::sqrt(threeVecDauCM.Mag2()) / std::sqrt(eventplaneVecNorm.Mag2());
if (usepolar) {
histos.fill(HIST("hSparseSAvsrapmix"), KstarMother.M(), KstarMother.Pt(), cosThetaStar, KstarMother.Rapidity(), centrality);
} else {
histos.fill(HIST("hSparseSAvsrapmix"), KstarMother.M(), KstarMother.Pt(), SA, KstarMother.Rapidity(), centrality);
}
}
}
}
Expand Down
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