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[PWGLF] added SA in polar angle and phi v1 #11537

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[PWGLF] added SA in polar angle and phi v1 #11537

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797c2fe
added SA in polar angle
Jun 10, 2025
2f66c33
added phi v1
Jun 10, 2025
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44 changes: 32 additions & 12 deletions PWGLF/Tasks/Resonances/kstarpbpb.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -101,6 +101,7 @@
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 +160,8 @@
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 +184,8 @@
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 +337,23 @@
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 +363,12 @@
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 +378,7 @@
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 +388,7 @@
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 +664,25 @@
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 +718,12 @@
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 +1218,15 @@
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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