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[PWGLF] Add files via uploadLocal polarization of Lambda induced by jets in Run3 pp collisions at 13.6 TeV #13997

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Merged
romainschotter merged 1 commit into from
Nov 27, 2025
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[PWGLF] Add files via uploadLocal polarization of Lambda induced by jets in Run3 pp collisions at 13.6 TeV #13997

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52 changes: 42 additions & 10 deletions PWGLF/Tasks/Strangeness/lambdaJetpolarization.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -49,7 +49,7 @@
#include <fastjet/tools/Subtractor.hh>

#include <cmath>
#include <iostream>

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[include-iostream] 

Do not include iostream. Use O2 logging instead.
#include <string>
#include <vector>

Expand Down Expand Up @@ -303,10 +303,29 @@
registryData.add("hprotonThetaInV0", "hprotonThetaInV0", kTH1F, {axisTheta});
registryData.add("hprotonThetaInJetV0", "hprotonThetaInJetV0", kTH1F, {axisTheta});

registryData.add("TH2FLambdaMassPhiInJet", "TH2FLambdaMassPhiInJet", kTH2F, {{200, -TMath::Pi(), TMath::Pi()}, {200, 0.9, 1.2}});
registryData.add("TH2FprotonCosThetaInJetV0", "TH2FprotonCosThetaInJetV0", kTH2F, {{200, 0.9, 1.2}, {200, -1.0, 1.0}});
registryData.add("TProfile1DprotonCosThetaInJetV0", "TProfile1DprotonCosThetaInJetV0", {HistType::kTProfile, {{200, -1.0, 1.0}}});
registryData.add("TProfile2DprotonCosThetaInJetV0", "TProfile2DprotonCosThetaInJetV0", kTProfile2D, {TProfile2DaxisMass, axisPhi});
registryData.add("LambdaQA/TH2FLambdaMassPhiInJet", "TH2FLambdaMassPhiInJet", kTH2F, {{200, -TMath::Pi(), TMath::Pi()}, {200, 0.9, 1.2}});

// Lab frame measures
registryData.add("LambdaQA/TH2FprotonCosThetaInLab", "TH2FprotonCosThetaInLab", kTH2F, {{200, 0.9, 1.2}, {200, -1.0, 1.0}});
registryData.add("LambdaQA/TProfile1DprotonCosThetaInLab", "TProfile1DprotonCosThetaInLab", {HistType::kTProfile, {{200, 0.9, 1.2}}});
registryData.add("LambdaQA/TProfile1DprotonCos2ThetaInLab", "TProfile1DprotonCos2ThetaInLab", {HistType::kTProfile, {{200, 0.9, 1.2}}});

// V0(Lambda) frame messages
registryData.add("LambdaQA/TH2FprotonCosThetaInV0", "TH2FprotonCosThetaInV0", kTH2F, {{200, 0.9, 1.2}, {200, -1.0, 1.0}});
registryData.add("LambdaQA/TProfile1DprotonCosThetaInV0", "TProfile1DprotonCosThetaInV0", {HistType::kTProfile, {{200, 0.9, 1.2}}});
registryData.add("LambdaQA/TProfile1DprotonCos2ThetaInV0", "TProfile1DprotonCos2ThetaInV0", {HistType::kTProfile, {{200, 0.9, 1.2}}});

// jet frame messages
registryData.add("LambdaQA/TH2FprotonCosThetaInJet", "TH2FprotonCosThetaInJet", kTH2F, {{200, 0.9, 1.2}, {200, -1.0, 1.0}});
registryData.add("LambdaQA/TProfile1DprotonCosThetaInJet", "TProfile1DprotonCosThetaInJet", {HistType::kTProfile, {{200, 0.9, 1.2}}});
registryData.add("LambdaQA/TProfile1DprotonCos2ThetaInJet", "TProfile1DprotonCos2ThetaInJet", {HistType::kTProfile, {{200, 0.9, 1.2}}});

// Jet-V0 frame messages
registryData.add("LambdaQA/TH2FprotonCosThetaInJetV0", "TH2FprotonCosThetaInJetV0", kTH2F, {{200, 0.9, 1.2}, {200, -1.0, 1.0}});
registryData.add("LambdaQA/TProfile1DprotonCosThetaInJetV0", "TProfile1DprotonCosThetaInJetV0", {HistType::kTProfile, {{200, 0.9, 1.2}}});
registryData.add("LambdaQA/TProfile1DprotonCos2ThetaInJetV0", "TProfile1DprotonCos2ThetaInJetV0", {HistType::kTProfile, {{200, 0.9, 1.2}}});
registryData.add("LambdaQA/TProfile2DprotonCosThetaInJetV0", "TProfile2DprotonCosThetaInJetV0", kTProfile2D, {TProfile2DaxisMass, axisPhi});
registryData.add("LambdaQA/TProfile2DprotonCos2ThetaInJetV0", "TProfile2DprotonCos2ThetaInJetV0", kTProfile2D, {TProfile2DaxisMass, axisPhi});

registryData.add("hNEvents", "hNEvents", {HistType::kTH1D, {{10, 0.f, 10.f}}});
registryData.get<TH1>(HIST("hNEvents"))->GetXaxis()->SetBinLabel(1, "all");
Expand Down Expand Up @@ -350,8 +369,8 @@

TMatrixD LorentzTransInV0frame(double ELambda, double Lambdapx, double Lambdapy, double Lambdapz)
{
double PLambda = sqrt(Lambdapx * Lambdapx + Lambdapy * Lambdapy + Lambdapz * Lambdapz);

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[std-prefix] 

Use std:: prefix for names from the std namespace.
double LambdaMass = sqrt(ELambda * ELambda - PLambda * PLambda);

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[std-prefix] 

Use std:: prefix for names from the std namespace.
double Alpha = 1 / (LambdaMass * (ELambda + LambdaMass));
TMatrixD matrixLabToLambda(4, 4);
matrixLabToLambda(0, 0) = ELambda / LambdaMass;
Expand Down Expand Up @@ -1282,7 +1301,6 @@
}
double protonsinPhiInJetV0frame = 0;
double AntiprotonsinPhiInJetV0frame = 0;
cout << maxJetpx << endl;
for (const auto& candidate : fullV0s) {
const auto& pos = candidate.posTrack_as<StrHadronDaughterTracks>();
const auto& neg = candidate.negTrack_as<StrHadronDaughterTracks>();
Expand All @@ -1298,9 +1316,9 @@
registryData.fill(HIST("protonQA/V0protonpyInLab"), pos.py());
registryData.fill(HIST("protonQA/V0protonpzInLab"), pos.pz());

double PLambda = sqrt(candidate.px() * candidate.px() + candidate.py() * candidate.py() + candidate.pz() * candidate.pz());

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[std-prefix] 

Use std:: prefix for names from the std namespace.
double ELambda = sqrt(candidate.mLambda() * candidate.mLambda() + PLambda * PLambda);

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[std-prefix] 

Use std:: prefix for names from the std namespace.
double protonE = sqrt(massPr * massPr + pos.px() * pos.px() + pos.py() * pos.py() + pos.pz() * pos.pz());

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[std-prefix] 

Use std:: prefix for names from the std namespace.

TMatrixD pLabJet(4, 1);
pLabJet(0, 0) = maxJetE;
Expand All @@ -1322,8 +1340,8 @@

TMatrixD lambdaInJet(4, 1);
lambdaInJet = MyTMatrixTranslationToJet(maxJetpx, maxJetpy, maxJetpz, candidate.px(), candidate.py(), candidate.pz()) * pLabV0;
double cosThetaLambdaInJet = lambdaInJet(3, 0) / sqrt(lambdaInJet(1, 0) * lambdaInJet(1, 0) + lambdaInJet(2, 0) * lambdaInJet(2, 0) + lambdaInJet(3, 0) * lambdaInJet(3, 0));

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[std-prefix] 

Use std:: prefix for names from the std namespace.
double lambdasinphiInJet = lambdaInJet(2, 0) / sqrt(lambdaInJet(1, 0) * lambdaInJet(1, 0) + lambdaInJet(2, 0) * lambdaInJet(2, 0));

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[std-prefix] 

Use std:: prefix for names from the std namespace.
registryData.fill(HIST("TProfile2DLambdaMassDeltaTheta"), TMath::ACos(cosThetaLambdaInJet), candidate.mLambda(), lambdasinphiInJet);
registryData.fill(HIST("TProfile1DLambdasinphiInJet"), TMath::ACos(cosThetaLambdaInJet), lambdasinphiInJet);

Expand All @@ -1342,8 +1360,8 @@
pLabproton(1, 0) = pos.px();
pLabproton(2, 0) = pos.py();
pLabproton(3, 0) = pos.pz();
double protonsinPhiInLab = pLabproton(2, 0) / sqrt(pLabproton(1, 0) * pLabproton(1, 0) + pLabproton(2, 0) * pLabproton(2, 0));

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[std-prefix] 

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double protoncosthetaInLab = pLabproton(3, 0) / sqrt(pLabproton(1, 0) * pLabproton(1, 0) + pLabproton(2, 0) * pLabproton(2, 0) + pLabproton(3, 0) * pLabproton(3, 0));

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[std-prefix] 

Use std:: prefix for names from the std namespace.
double protonPtInLab = sqrt(pLabproton(1, 0) * pLabproton(1, 0) + pLabproton(2, 0) * pLabproton(2, 0));
double protonPInLab = sqrt(pLabproton(1, 0) * pLabproton(1, 0) + pLabproton(2, 0) * pLabproton(2, 0) + pLabproton(3, 0) * pLabproton(3, 0));
double protonsinThetaInLab = protonPtInLab / protonPInLab;
Expand Down Expand Up @@ -1699,7 +1717,6 @@
}
double protonsinPhiInJetV0frame = 0;
double AntiprotonsinPhiInJetV0frame = 0;
cout << maxJetpx << endl;
for (const auto& candidate : fullV0s) {
const auto& pos = candidate.posTrack_as<StrHadronDaughterTracks>();
const auto& neg = candidate.negTrack_as<StrHadronDaughterTracks>();
Expand Down Expand Up @@ -1740,7 +1757,7 @@
TMatrixD lambdaInJet(4, 1);
lambdaInJet = TMatrixTranslationToJet(maxJetpx, maxJetpy, maxJetpz, candidate.px(), candidate.py(), candidate.pz()) * pLabV0;

registryData.fill(HIST("TH2FLambdaMassPhiInJet"), TMath::ATan2(lambdaInJet(2, 0), lambdaInJet(1, 0)), candidate.mLambda());
registryData.fill(HIST("LambdaQA/TH2FLambdaMassPhiInJet"), TMath::ATan2(lambdaInJet(2, 0), lambdaInJet(1, 0)), candidate.mLambda());

registryData.fill(HIST("V0pxInJetframe"), lambdaInJet(1, 0));
registryData.fill(HIST("V0pyInJetframe"), lambdaInJet(2, 0));
Expand Down Expand Up @@ -1892,14 +1909,29 @@
double protonCosThetaInLab = pLabproton(3, 0) / sqrt(pLabproton(1, 0) * pLabproton(1, 0) + pLabproton(2, 0) * pLabproton(2, 0) + pLabproton(3, 0) * pLabproton(3, 0)); // cos(theta) of lambda in lab frame
double protonCosThetaInV0frame = protonInV0(3, 0) / sqrt(protonInV0(1, 0) * protonInV0(1, 0) + protonInV0(2, 0) * protonInV0(2, 0) + protonInV0(3, 0) * protonInV0(3, 0)); // cos(theta) of lambda in V0 frame
double protonCosThetaInJetV0frame = protonCosThetainJetV0;
double protonCosThetaInJet = protonInJet(3, 0) / sqrt(protonInJet(1, 0) * protonInJet(1, 0) + protonInJet(2, 0) * protonInJet(2, 0) + protonInJet(3, 0) * protonInJet(3, 0)); // cos(theta) of lambda in Jet frame

registryData.fill(HIST("hprotonThetaInLab"), TMath::ACos(protonCosThetaInLab));
registryData.fill(HIST("hprotonThetaInV0"), TMath::ACos(protonCosThetaInV0frame));
registryData.fill(HIST("hprotonThetaInJetV0"), TMath::ACos(protonCosThetaInJetV0frame));

registryData.fill(HIST("TH2FprotonCosThetaInJetV0"), candidate.mLambda(), protonCosThetaInJetV0frame);
registryData.fill(HIST("TProfile1DprotonCosThetaInJetV0"), candidate.mLambda(), protonCosThetaInJetV0frame);
registryData.fill(HIST("TProfile2DprotonCosThetaInJetV0"), candidate.mLambda(), TMath::ATan2(lambdaInJet(2, 0), lambdaInJet(1, 0)), protonCosThetaInJetV0frame);
registryData.fill(HIST("LambdaQA/TH2FprotonCosThetaInLab"), candidate.mLambda(), protonCosThetaInLab);
registryData.fill(HIST("LambdaQA/TProfile1DprotonCosThetaInLab"), candidate.mLambda(), protonCosThetaInLab);
registryData.fill(HIST("LambdaQA/TProfile1DprotonCos2ThetaInLab"), candidate.mLambda(), protonCosThetaInLab * protonCosThetaInLab);

registryData.fill(HIST("LambdaQA/TH2FprotonCosThetaInV0"), candidate.mLambda(), protonCosThetaInV0frame);
registryData.fill(HIST("LambdaQA/TProfile1DprotonCosThetaInV0"), candidate.mLambda(), protonCosThetaInV0frame);
registryData.fill(HIST("LambdaQA/TProfile1DprotonCos2ThetaInV0"), candidate.mLambda(), protonCosThetaInV0frame * protonCosThetaInV0frame);

registryData.fill(HIST("LambdaQA/TH2FprotonCosThetaInJet"), candidate.mLambda(), protonCosThetaInJet);
registryData.fill(HIST("LambdaQA/TProfile1DprotonCosThetaInJet"), candidate.mLambda(), protonCosThetaInJet);
registryData.fill(HIST("LambdaQA/TProfile1DprotonCos2ThetaInJet"), candidate.mLambda(), protonCosThetaInJet * protonCosThetaInJet);

registryData.fill(HIST("LambdaQA/TH2FprotonCosThetaInJetV0"), candidate.mLambda(), protonCosThetaInJetV0frame);
registryData.fill(HIST("LambdaQA/TProfile1DprotonCosThetaInJetV0"), candidate.mLambda(), protonCosThetaInJetV0frame);
registryData.fill(HIST("LambdaQA/TProfile1DprotonCos2ThetaInJetV0"), candidate.mLambda(), protonCosThetaInJetV0frame * protonCosThetaInJetV0frame);
registryData.fill(HIST("LambdaQA/TProfile2DprotonCosThetaInJetV0"), candidate.mLambda(), TMath::ATan2(lambdaInJet(2, 0), lambdaInJet(1, 0)), protonCosThetaInJetV0frame);
registryData.fill(HIST("LambdaQA/TProfile2DprotonCos2ThetaInJetV0"), candidate.mLambda(), TMath::ATan2(lambdaInJet(2, 0), lambdaInJet(1, 0)), protonCosThetaInJetV0frame * protonCosThetaInJetV0frame);
}
if (registryDataAcceptV0AntiLambda(candidate, pos, neg, collision)) {
registryData.fill(HIST("hMassAntiLambda"), candidate.mAntiLambda());
Expand Down
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