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[PWGCF] FemtoUniverse v0cascade task -- implemented bitmask and CPR in v0-cascade task #12595

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Merged
prchakra merged 1 commit into from
Aug 16, 2025
Merged

[PWGCF] FemtoUniverse v0cascade task -- implemented bitmask and CPR in v0-cascade task #12595

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66 changes: 60 additions & 6 deletions PWGCF/FemtoUniverse/Core/FemtoUniverseDetaDphiStar.h
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Original file line number Diff line number Diff line change
Expand Up @@ -75,13 +75,13 @@
histdetadpiqlcmsmixed = mHistogramRegistry->add<TH3>((dirName + static_cast<std::string>(HistNamesMixed[1][7])).c_str(), "; #it{q}_{LCMS}; #Delta #eta; #Delta #phi", kTH3F, {{100, 0.0, 0.5}, {100, -0.15, 0.15}, {100, -0.15, 0.15}});

if (plotForEveryRadii) {
for (int i = 0; i < 9; i++) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
histdetadpiRadii[0][i] = mHistogramRegistryQA->add<TH2>((dirName + static_cast<std::string>(HistNamesRadii[0][i])).c_str(), "; #Delta #eta; #Delta #phi", kTH2F, {{100, -0.15, 0.15}, {100, -0.15, 0.15}});
}
}
}
if constexpr (kPartOneType == o2::aod::femtouniverseparticle::ParticleType::kTrack && kPartTwoType == o2::aod::femtouniverseparticle::ParticleType::kV0) {
for (int i = 0; i < 2; i++) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
std::string dirName = static_cast<std::string>(DirNames[1]);
histdetadpisame[i][0] = mHistogramRegistry->add<TH2>((dirName + static_cast<std::string>(HistNamesSame[0][i])).c_str(), "; #Delta #eta; #Delta #phi", kTH2F, {{100, -0.15, 0.15}, {100, -0.15, 0.15}});
histdetadpisame[i][1] = mHistogramRegistry->add<TH2>((dirName + static_cast<std::string>(HistNamesSame[1][i])).c_str(), "; #Delta #eta; #Delta #phi", kTH2F, {{100, -0.15, 0.15}, {100, -0.15, 0.15}});
Expand All @@ -89,7 +89,7 @@
histdetadpimixed[i][1] = mHistogramRegistry->add<TH2>((dirName + static_cast<std::string>(HistNamesMixed[1][i])).c_str(), "; #Delta #eta; #Delta #phi", kTH2F, {{100, -0.15, 0.15}, {100, -0.15, 0.15}});

if (plotForEveryRadii) {
for (int j = 0; j < 9; j++) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
histdetadpiRadii[i][j] = mHistogramRegistryQA->add<TH2>((dirName + static_cast<std::string>(HistNamesRadii[i][j])).c_str(), "; #Delta #eta; #Delta #phi", kTH2F, {{100, -0.15, 0.15}, {100, -0.15, 0.15}});
}
}
Expand All @@ -97,22 +97,22 @@
}
if constexpr (kPartOneType == o2::aod::femtouniverseparticle::ParticleType::kV0 && kPartTwoType == o2::aod::femtouniverseparticle::ParticleType::kV0) {
/// V0-V0 combination
for (int k = 0; k < 2; k++) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
std::string dirName = static_cast<std::string>(DirNames[2]);
histdetadpisame[k][0] = mHistogramRegistry->add<TH2>((dirName + static_cast<std::string>(HistNamesSame[0][k])).c_str(), "; #Delta #eta; #Delta #phi", kTH2F, {{100, -0.15, 0.15}, {100, -0.15, 0.15}});
histdetadpisame[k][1] = mHistogramRegistry->add<TH2>((dirName + static_cast<std::string>(HistNamesSame[1][k])).c_str(), "; #Delta #eta; #Delta #phi", kTH2F, {{100, -0.15, 0.15}, {100, -0.15, 0.15}});
histdetadpimixed[k][0] = mHistogramRegistry->add<TH2>((dirName + static_cast<std::string>(HistNamesMixed[0][k])).c_str(), "; #Delta #eta; #Delta #phi", kTH2F, {{100, -0.15, 0.15}, {100, -0.15, 0.15}});
histdetadpimixed[k][1] = mHistogramRegistry->add<TH2>((dirName + static_cast<std::string>(HistNamesMixed[1][k])).c_str(), "; #Delta #eta; #Delta #phi", kTH2F, {{100, -0.15, 0.15}, {100, -0.15, 0.15}});
if (plotForEveryRadii) {
for (int l = 0; l < 9; l++) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
histdetadpiRadii[k][l] = mHistogramRegistryQA->add<TH2>((dirName + static_cast<std::string>(HistNamesRadii[k][l])).c_str(), "; #Delta #eta; #Delta #phi", kTH2F, {{100, -0.15, 0.15}, {100, -0.15, 0.15}});
}
}
}
}
if constexpr (kPartOneType == o2::aod::femtouniverseparticle::ParticleType::kCascade && kPartTwoType == o2::aod::femtouniverseparticle::ParticleType::kCascade) {
/// Xi-Xi and Omega-Omega combination
/// Cascade-Cascade combination
for (int k = 0; k < 7; k++) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
std::string dirName = static_cast<std::string>(DirNames[5]);
histdetadpisame[k][0] = mHistogramRegistry->add<TH2>((dirName + static_cast<std::string>(HistNamesSame[0][k])).c_str(), "; #Delta #eta; #Delta #phi", kTH2F, {{100, -0.15, 0.15}, {100, -0.15, 0.15}});
histdetadpisame[k][1] = mHistogramRegistry->add<TH2>((dirName + static_cast<std::string>(HistNamesSame[1][k])).c_str(), "; #Delta #eta; #Delta #phi", kTH2F, {{100, -0.15, 0.15}, {100, -0.15, 0.15}});
Expand All @@ -126,7 +126,7 @@
}
}
if constexpr (kPartOneType == o2::aod::femtouniverseparticle::ParticleType::kTrack && kPartTwoType == o2::aod::femtouniverseparticle::ParticleType::kCascade) {
/// Track-Xi and Track-Omega combination
/// Track-Cascade combination
for (int k = 0; k < 3; k++) {
std::string dirName = static_cast<std::string>(DirNames[6]);
histdetadpisame[k][0] = mHistogramRegistry->add<TH2>((dirName + static_cast<std::string>(HistNamesSame[0][k])).c_str(), "; #Delta #eta; #Delta #phi", kTH2F, {{100, -0.15, 0.15}, {100, -0.15, 0.15}});
Expand All @@ -140,6 +140,21 @@
}
}
}
if constexpr (kPartOneType == o2::aod::femtouniverseparticle::ParticleType::kV0 && kPartTwoType == o2::aod::femtouniverseparticle::ParticleType::kCascade) {
/// V0-Cascade combination
for (int k = 0; k < 3; k++) {
std::string dirName = static_cast<std::string>(DirNames[7]);
histdetadpisame[k][0] = mHistogramRegistry->add<TH2>((dirName + static_cast<std::string>(HistNamesSame[0][k])).c_str(), "; #Delta #eta; #Delta #phi", kTH2F, {{100, -0.15, 0.15}, {100, -0.15, 0.15}});
histdetadpisame[k][1] = mHistogramRegistry->add<TH2>((dirName + static_cast<std::string>(HistNamesSame[1][k])).c_str(), "; #Delta #eta; #Delta #phi", kTH2F, {{100, -0.15, 0.15}, {100, -0.15, 0.15}});
histdetadpimixed[k][0] = mHistogramRegistry->add<TH2>((dirName + static_cast<std::string>(HistNamesMixed[0][k])).c_str(), "; #Delta #eta; #Delta #phi", kTH2F, {{100, -0.15, 0.15}, {100, -0.15, 0.15}});
histdetadpimixed[k][1] = mHistogramRegistry->add<TH2>((dirName + static_cast<std::string>(HistNamesMixed[1][k])).c_str(), "; #Delta #eta; #Delta #phi", kTH2F, {{100, -0.15, 0.15}, {100, -0.15, 0.15}});
if (plotForEveryRadii) {
for (int l = 0; l < 9; l++) {
histdetadpiRadii[k][l] = mHistogramRegistryQA->add<TH2>((dirName + static_cast<std::string>(HistNamesRadii[k][l])).c_str(), "; #Delta #eta; #Delta #phi", kTH2F, {{100, -0.15, 0.15}, {100, -0.15, 0.15}});
}
}
}
}
if constexpr (kPartOneType == o2::aod::femtouniverseparticle::ParticleType::kTrack && kPartTwoType == o2::aod::femtouniverseparticle::ParticleType::kPhi) {
for (int i = 0; i < 2; i++) {
std::string dirName = static_cast<std::string>(DirNames[3]);
Expand Down Expand Up @@ -219,7 +234,6 @@
bool pass = false;
for (int i = 0; i < 2; i++) {
auto indexOfDaughter = (ChosenEventType == femto_universe_container::EventType::mixed ? part2.globalIndex() : part2.index()) - 2 + i;
// auto indexOfDaughter = part2.globalIndex() - 2 + i;
auto daughter = particles.begin() + indexOfDaughter;
auto deta = part1.eta() - daughter.eta();
auto dphiAvg = averagePhiStar(part1, *daughter, i);
Expand Down Expand Up @@ -284,7 +298,7 @@
return pass;

} else if constexpr (kPartOneType == o2::aod::femtouniverseparticle::ParticleType::kCascade && kPartTwoType == o2::aod::femtouniverseparticle::ParticleType::kCascade) {
/// Xi-Xi and Omega-Omega combination
/// Cascade-Cascade combination
if (part1.partType() != o2::aod::femtouniverseparticle::ParticleType::kCascade || part2.partType() != o2::aod::femtouniverseparticle::ParticleType::kCascade) {
LOG(fatal) << "FemtoUniverseDetaDphiStar: passed arguments don't agree with FemtoUniverseDetaDphiStar instantiation! Please provide kCascade,kCascade candidates.";
return false;
Expand Down Expand Up @@ -324,7 +338,7 @@
return pass;

} else if constexpr (kPartOneType == o2::aod::femtouniverseparticle::ParticleType::kTrack && kPartTwoType == o2::aod::femtouniverseparticle::ParticleType::kCascade) {
/// Track-Xi and Track-Omega combination
/// Track-Cascade combination
if (part1.partType() != o2::aod::femtouniverseparticle::ParticleType::kTrack || part2.partType() != o2::aod::femtouniverseparticle::ParticleType::kCascade) {
LOG(fatal) << "FemtoUniverseDetaDphiStar: passed arguments don't agree with FemtoUniverseDetaDphiStar instantiation! Please provide kTrack,kCascade candidates.";
return false;
Expand Down Expand Up @@ -360,6 +374,46 @@
}
return pass;

} else if constexpr (kPartOneType == o2::aod::femtouniverseparticle::ParticleType::kV0 && kPartTwoType == o2::aod::femtouniverseparticle::ParticleType::kCascade) {
/// V0-Cascade combination
if (part1.partType() != o2::aod::femtouniverseparticle::ParticleType::kV0 || part2.partType() != o2::aod::femtouniverseparticle::ParticleType::kCascade) {
LOG(fatal) << "FemtoUniverseDetaDphiStar: passed arguments don't agree with FemtoUniverseDetaDphiStar instantiation! Please provide kV0,kCascade candidates.";
return false;
}

bool pass = false;
static constexpr int V0CascChildTable[][2] = {{-1, -1}, {-1, -2}, {-1, -3}, {-2, -1}, {-2, -2}, {-2, -3}};
for (int i = 0; i < 3; i++) {
auto indexOfDaughterV0 = (ChosenEventType == femto_universe_container::EventType::mixed ? part1.globalIndex() : part1.index()) + V0CascChildTable[i][0];
auto indexOfDaughterCasc = (ChosenEventType == femto_universe_container::EventType::mixed ? part2.globalIndex() : part2.index()) + V0CascChildTable[i][1];
auto daughterV0 = particles.begin() + indexOfDaughterV0;
auto daughterCasc = particles.begin() + indexOfDaughterCasc;
if (isSameSignCPR && (daughterV0.mAntiLambda() != daughterCasc.mAntiLambda())) // mAntiLambda() is used here as sign getter
continue;
auto deta = daughterV0.eta() - daughterCasc.eta();
auto dphiAvg = averagePhiStar(*daughterV0, *daughterCasc, i);
if (ChosenEventType == femto_universe_container::EventType::same) {
histdetadpisame[i][0]->Fill(deta, dphiAvg);
} else if (ChosenEventType == femto_universe_container::EventType::mixed) {
histdetadpimixed[i][0]->Fill(deta, dphiAvg);
} else {
LOG(fatal) << "FemtoUniverseDetaDphiStar: passed arguments don't agree with FemtoUniverseDetaDphiStar's type of events! Please provide same or mixed.";
}

if ((dphiAvg > cutDeltaPhiStarMin) && (dphiAvg < cutDeltaPhiStarMax) && (deta > cutDeltaEtaMin) && (deta < cutDeltaEtaMax)) {
pass = true;
} else {
if (ChosenEventType == femto_universe_container::EventType::same) {
histdetadpisame[i][1]->Fill(deta, dphiAvg);
} else if (ChosenEventType == femto_universe_container::EventType::mixed) {
histdetadpimixed[i][1]->Fill(deta, dphiAvg);
} else {
LOG(fatal) << "FemtoUniverseDetaDphiStar: passed arguments don't agree with FemtoUniverseDetaDphiStar's type of events! Please provide same or mixed.";
}
}
}
return pass;

} else if constexpr (kPartOneType == o2::aod::femtouniverseparticle::ParticleType::kTrack && kPartTwoType == o2::aod::femtouniverseparticle::ParticleType::kD0) {
/// Track-D0 combination
// check if provided particles are in agreement with the class instantiation
Expand Down Expand Up @@ -432,13 +486,13 @@
}

// REMOVING THE "RING" -- CALCULATING THE INVARIANT MASS
TLorentzVector part1Vec;

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[root/lorentz-vector] 

Do not use the TLorentzVector legacy class. Use std::array with RecoDecay methods or the ROOT::Math::LorentzVector template instead.
TLorentzVector part2Vec;

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[root/lorentz-vector] 

Do not use the TLorentzVector legacy class. Use std::array with RecoDecay methods or the ROOT::Math::LorentzVector template instead.
float mMassOne = o2::constants::physics::MassKPlus;
float mMassTwo = o2::constants::physics::MassKMinus;
part1Vec.SetPtEtaPhiM(part1.pt(), part1.eta(), part1.phi(), mMassOne);
part2Vec.SetPtEtaPhiM(daughter.pt(), daughter.eta(), daughter.phi(), mMassTwo);
TLorentzVector sumVec(part1Vec);

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[root/lorentz-vector] 

Do not use the TLorentzVector legacy class. Use std::array with RecoDecay methods or the ROOT::Math::LorentzVector template instead.
sumVec += part2Vec;
float phiM = sumVec.M();
if ((phiM > cutPhiInvMassLow) && (phiM < cutPhiInvMassHigh)) {
Expand Down Expand Up @@ -586,7 +640,7 @@
private:
HistogramRegistry* mHistogramRegistry = nullptr; ///< For main output
HistogramRegistry* mHistogramRegistryQA = nullptr; ///< For QA output
static constexpr std::string_view DirNames[7] = {"kTrack_kTrack/", "kTrack_kV0/", "kV0_kV0/", "kTrack_kPhi/", "kTrack_kD0/", "kCascade_kCascade/", "kTrack_kCascade/"};
static constexpr std::string_view DirNames[8] = {"kTrack_kTrack/", "kTrack_kV0/", "kV0_kV0/", "kTrack_kPhi/", "kTrack_kD0/", "kCascade_kCascade/", "kTrack_kCascade/", "kV0_kCascade/"};

static constexpr std::string_view HistNamesSame[2][8] = {{"detadphidetadphi0BeforeSame_0", "detadphidetadphi0BeforeSame_1", "detadphidetadphi0BeforeSame_2",
"detadphidetadphi0BeforeSame_3", "detadphidetadphi0BeforeSame_4", "detadphidetadphi0BeforeSame_5",
Expand Down Expand Up @@ -730,7 +784,7 @@
dphi = 0;
}
dphi = TVector2::Phi_mpi_pi(dphi);
distance = 2 * TMath::Sin(TMath::Abs(dphi) * 0.5) * TmpRadiiTPC[i];

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[root/entity] 

Replace ROOT entities with equivalents from standard C++ or from O2.
if (distance < maxdist) {
badpoints++;
}
Expand Down
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