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[PWGLF] modify delta phi distribution #14734

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Merged
skundu692 merged 3 commits into from
Feb 1, 2026
+10 −10
Merged

[PWGLF] modify delta phi distribution #14734

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89b898c
Add process function for systematic
skundu692 Jan 30, 2026
4c54c6a
modify delta phi distribution
skundu692 Feb 1, 2026
8f029d6
Fix clang issue
skundu692 Feb 1, 2026
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4 changes: 2 additions & 2 deletions PWGLF/Tasks/Resonances/f1protoncorrelation.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -943,12 +943,10 @@ struct f1protoncorrelation {
{
const float maxMomPi = maxMomentumPion;
const float maxMomK = maxMomentumKaon;

// const float pTofPiMin = momentumTOFPionMin;
// const float pTofPiMax = momentumTOFPionMax;
// const float pTofKMin = momentumTOFKaonMin;
// const float pTofKMax = momentumTOFKaonMax;

const float pTofP = momentumTOFProton;
const float pMaxP = momentumProtonMax;
const float pMinP = momentumProtonMin;
Expand Down Expand Up @@ -1075,10 +1073,12 @@ struct f1protoncorrelation {
{
const float maxMomPi = maxMomentumPion;
const float maxMomK = maxMomentumKaon;

// const float pTofPiMin = momentumTOFPionMin;
// const float pTofPiMax = momentumTOFPionMax;
// const float pTofKMin = momentumTOFKaonMin;
// const float pTofKMax = momentumTOFKaonMax;

const float pTofP = momentumTOFProton;
const float pMaxP = momentumProtonMax;
const float pMinP = momentumProtonMin;
Expand Down
16 changes: 8 additions & 8 deletions PWGLF/Tasks/Strangeness/lambdaspincorrderived.cxx
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Expand Up @@ -146,8 +146,8 @@ struct lambdaspincorrderived {
histos.add("hPtYSame", "hPtYSame", kTH2F, {{100, 0.0, 10.0}, {200, -1.0, 1.0}});
histos.add("hPtYMix", "hPtYMix", kTH2F, {{100, 0.0, 10.0}, {200, -1.0, 1.0}});
histos.add("hCentrality", "Centrality distribution", kTH1F, {{configThnAxisCentrality}});
histos.add("deltaPhiSame", "deltaPhiSame", HistType::kTH1D, {{72, 0.0, 2.0 * TMath::Pi()}}, true);
histos.add("deltaPhiMix", "deltaPhiMix", HistType::kTH1D, {{72, 0.0, 2.0 * TMath::Pi()}}, true);
histos.add("deltaPhiSame", "deltaPhiSame", HistType::kTH1D, {{72, -TMath::Pi(), TMath::Pi()}}, true);
histos.add("deltaPhiMix", "deltaPhiMix", HistType::kTH1D, {{72, -TMath::Pi(), TMath::Pi()}}, true);
histos.add("ptCent", "ptCent", HistType::kTH2D, {{100, 0.0, 10.0}, {8, 0.0, 80.0}}, true);
histos.add("etaCent", "etaCent", HistType::kTH2D, {{32, -0.8, 0.8}, {8, 0.0, 80.0}}, true);

Expand Down Expand Up @@ -377,7 +377,7 @@ struct lambdaspincorrderived {
double deta2 = particle2.Eta();

double deta_pair = std::abs(deta1 - deta2);
double dphi_pair = RecoDecay::constrainAngle(particle1.Phi() - particle2.Phi(), 0.0F, harmonicDphi);
double dphi_pair = RecoDecay::constrainAngle(particle1.Phi() - particle2.Phi(), -TMath::Pi(), harmonicDphi);

double deltaR = TMath::Sqrt(deta_pair * deta_pair + dphi_pair * dphi_pair);
double deltaRap = std::abs(particle1.Rapidity() - particle2.Rapidity());
Expand Down Expand Up @@ -536,7 +536,7 @@ struct lambdaspincorrderived {
}
proton2 = ROOT::Math::PtEtaPhiMVector(v02.protonPt(), v02.protonEta(), v02.protonPhi(), o2::constants::physics::MassProton);
lambda2 = ROOT::Math::PtEtaPhiMVector(v02.lambdaPt(), v02.lambdaEta(), v02.lambdaPhi(), v02.lambdaMass());
histos.fill(HIST("deltaPhiSame"), RecoDecay::constrainAngle(v0.lambdaPhi() - v02.lambdaPhi(), 0.0F, harmonicDphi));
histos.fill(HIST("deltaPhiSame"), RecoDecay::constrainAngle(v0.lambdaPhi() - v02.lambdaPhi(), -TMath::Pi(), harmonicDphi));
if (v0.v0Status() == 0 && v02.v0Status() == 0) {
fillHistograms(0, 0, lambda, lambda2, proton, proton2, 0, 1.0);
}
Expand Down Expand Up @@ -608,7 +608,7 @@ struct lambdaspincorrderived {
lambda = ROOT::Math::PtEtaPhiMVector(t3.lambdaPt(), t3.lambdaEta(), t3.lambdaPhi(), t3.lambdaMass());
proton2 = ROOT::Math::PtEtaPhiMVector(t2.protonPt(), t2.protonEta(), t2.protonPhi(), o2::constants::physics::MassProton);
lambda2 = ROOT::Math::PtEtaPhiMVector(t2.lambdaPt(), t2.lambdaEta(), t2.lambdaPhi(), t2.lambdaMass());
histos.fill(HIST("deltaPhiMix"), RecoDecay::constrainAngle(t3.lambdaPhi() - t2.lambdaPhi(), 0.0F, harmonicDphi));
histos.fill(HIST("deltaPhiMix"), RecoDecay::constrainAngle(t3.lambdaPhi() - t2.lambdaPhi(), -TMath::Pi(), harmonicDphi));
if (t3.v0Status() == 0 && t2.v0Status() == 0) {
fillHistograms(0, 0, lambda, lambda2, proton, proton2, 1, 1.0);
}
Expand Down Expand Up @@ -686,7 +686,7 @@ struct lambdaspincorrderived {
proton2 = ROOT::Math::PtEtaPhiMVector(t2.protonPt(), t2.protonEta(), t2.protonPhi(), o2::constants::physics::MassProton);
lambda2 = ROOT::Math::PtEtaPhiMVector(t2.lambdaPt(), t2.lambdaEta(), t2.lambdaPhi(), t2.lambdaMass());

float dPhi = std::fabs(RecoDecay::constrainAngle(lambda.Phi(), 0.0F, harmonic) - RecoDecay::constrainAngle(lambda2.Phi(), 0.0F, harmonic));
float dPhi = RecoDecay::constrainAngle(RecoDecay::constrainAngle(lambda.Phi(), 0.0F, harmonic) - RecoDecay::constrainAngle(lambda2.Phi(), 0.0, harmonic), -TMath::Pi(), harmonicDphi);
histos.fill(HIST("deltaPhiMix"), dPhi, invN);

if (t3.v0Status() == 0 && t2.v0Status() == 0) {
Expand Down Expand Up @@ -796,7 +796,7 @@ struct lambdaspincorrderived {
auto proton2 = ROOT::Math::PtEtaPhiMVector(t2.protonPt(), t2.protonEta(), t2.protonPhi(), o2::constants::physics::MassProton);
auto lambda2 = ROOT::Math::PtEtaPhiMVector(t2.lambdaPt(), t2.lambdaEta(), t2.lambdaPhi(), t2.lambdaMass());

const float dPhi = std::fabs(RecoDecay::constrainAngle(lambda.Phi(), 0.0F, harmonic) - RecoDecay::constrainAngle(lambda2.Phi(), 0.0F, harmonic));
const float dPhi = RecoDecay::constrainAngle(RecoDecay::constrainAngle(lambda.Phi(), 0.0F, harmonic) - RecoDecay::constrainAngle(lambda2.Phi(), 0.0F, harmonic), -TMath::Pi(), harmonicDphi);
histos.fill(HIST("deltaPhiMix"), dPhi, wBase);
fillHistograms(tX.v0Status(), t2.v0Status(), lambda, lambda2, proton, proton2, 1, wBase);
}
Expand Down Expand Up @@ -1030,7 +1030,7 @@ struct lambdaspincorrderived {
auto proton2 = ROOT::Math::PtEtaPhiMVector(t2.protonPt(), t2.protonEta(), t2.protonPhi(), o2::constants::physics::MassProton);
auto lambda2 = ROOT::Math::PtEtaPhiMVector(t2.lambdaPt(), t2.lambdaEta(), t2.lambdaPhi(), t2.lambdaMass());

const float dPhi = std::fabs(RecoDecay::constrainAngle(lambda.Phi() - lambda2.Phi(), 0.0F, harmonicDphi));
const float dPhi = RecoDecay::constrainAngle(RecoDecay::constrainAngle(lambda.Phi(), 0.0F, harmonic) - RecoDecay::constrainAngle(lambda2.Phi(), 0.0F, harmonic), -TMath::Pi(), harmonicDphi);
histos.fill(HIST("deltaPhiMix"), dPhi, wBase);
fillHistograms(tX.v0Status(), t2.v0Status(), lambda, lambda2, proton, proton2, 1, wBase);
}
Expand Down
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