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[PWGCF] FemtoUniverse: Add kT dependent closed-pair deta-dphi* cut #13634

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Merged
prchakra merged 1 commit into from
Nov 2, 2025
Merged

[PWGCF] FemtoUniverse: Add kT dependent closed-pair deta-dphi* cut #13634

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63 changes: 37 additions & 26 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 @@ -97,14 +97,14 @@
}
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}});
}
}
Expand All @@ -112,14 +112,14 @@
}
if constexpr (kPartOneType == o2::aod::femtouniverseparticle::ParticleType::kCascade && kPartTwoType == o2::aod::femtouniverseparticle::ParticleType::kCascade) {
/// 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}});
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}});
}
}
Expand Down Expand Up @@ -188,18 +188,22 @@
}

template <typename t1>
void init_kT(HistogramRegistry* registry, t1& ktbins)
void init_kT(HistogramRegistry* registry, t1& ktbins, std::vector<float> ldeltaphistarcutmin, std::vector<float> ldeltaphistarcutmax, std::vector<float> ldeltaetacutmin, std::vector<float> ldeltaetacutmax)
{
mHistogramRegistry = registry;
ktBins = ktbins;

cutDeltaPhiStarMaxVector = ldeltaphistarcutmax;
cutDeltaPhiStarMinVector = ldeltaphistarcutmin;
cutDeltaEtaMaxVector = ldeltaetacutmax;
cutDeltaEtaMinVector = ldeltaetacutmin;

if constexpr (kPartOneType == o2::aod::femtouniverseparticle::ParticleType::kTrack && kPartTwoType == o2::aod::femtouniverseparticle::ParticleType::kTrack) {
std::string dirName = static_cast<std::string>(DirNames[0]);
for (int j = 0; j < static_cast<int>(ktBins.size() - 1); j++) {
std::string histSuffixkT1 = std::to_string(static_cast<int>(ktBins[j] * 100.0));
std::string histSuffixkT2 = std::to_string(static_cast<int>(ktBins[j + 1] * 100.0));
std::string histFolderkT = "kT_" + histSuffixkT1 + "_" + histSuffixkT2 + "/";

histdetadphisamebeforekT[j] = mHistogramRegistry->add<TH2>((dirName + histFolderkT + "detadphidetadphiBeforeSame").c_str(), "; #Delta #eta; #Delta #phi", kTH2F, {{100, -0.15, 0.15}, {100, -0.15, 0.15}});
histdetadphimixedbeforekT[j] = mHistogramRegistry->add<TH2>((dirName + histFolderkT + "detadphidetadphiBeforeMixed").c_str(), "; #Delta #eta; #Delta #phi", kTH2F, {{100, -0.15, 0.15}, {100, -0.15, 0.15}});
histdetadphisameafterkT[j] = mHistogramRegistry->add<TH2>((dirName + histFolderkT + "detadphidetadphiAfterSame").c_str(), "; #Delta #eta; #Delta #phi", kTH2F, {{100, -0.15, 0.15}, {100, -0.15, 0.15}});
Expand Down Expand Up @@ -507,13 +511,13 @@
}

// 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 @@ -581,7 +585,6 @@
}
}

/// Check if pair is close or not
template <typename Part>
bool isClosePairFrac(Part const& part1, Part const& part2, float lmagfield, uint8_t ChosenEventType, bool IsDphiAvgOrDist, float DistMax, float FracMax, bool CircCut)
{
Expand Down Expand Up @@ -641,16 +644,17 @@
}
}

/// Templated function to access different kT directory and call addEventPair
/// \param part1 particle 1
/// \param part2 particle 2
/// \param ChosenEventType Same or Mixed evet type
/// \param maxl Maximum valie of L component of the spherical harmonics
/// \param multval Multiplicity value
/// \param ktval kT value
/// Check if pair is close or not
template <typename Part>
void kTdetadphi(Part const& part1, Part const& part2, uint8_t ChosenEventType, float ktval)
bool isClosePairkT(Part const& part1, Part const& part2, uint8_t ChosenEventType, float ktval, bool CircCut)
{
/// Track-Track combination
// check if provided particles are in agreement with the class instantiation
if (part1.partType() != o2::aod::femtouniverseparticle::ParticleType::kTrack || part2.partType() != o2::aod::femtouniverseparticle::ParticleType::kTrack) {
LOG(fatal) << "FemtoUniverseDetaDphiStar: passed arguments don't agree with FemtoUniverseDetaDphiStar instantiation! Please provide kTrack,kTrack candidates.";
return false;
}

int ktbinval = -1;
if (ktval >= ktBins[0] && ktval < ktBins[1]) {
ktbinval = 0;
Expand All @@ -660,22 +664,8 @@
ktbinval = 2;
} else if (ktval >= ktBins[3] && ktval < ktBins[4]) {
ktbinval = 3;
} else {
return;
}
isClosePairkT(part1, part2, ChosenEventType, ktbinval);
}

/// Check if pair is close or not
template <typename Part>
void isClosePairkT(Part const& part1, Part const& part2, uint8_t ChosenEventType, int ktbinval)
{
/// Track-Track combination
// check if provided particles are in agreement with the class instantiation
if (part1.partType() != o2::aod::femtouniverseparticle::ParticleType::kTrack || part2.partType() != o2::aod::femtouniverseparticle::ParticleType::kTrack) {
LOG(fatal) << "FemtoUniverseDetaDphiStar: passed arguments don't agree with FemtoUniverseDetaDphiStar instantiation! Please provide kTrack,kTrack candidates.";
return;
}
auto deta = part1.eta() - part2.eta();
auto dphiAvg = averagePhiStar(part1, part2, 0);
if (ChosenEventType == femto_universe_container::EventType::same) {
Expand All @@ -686,7 +676,7 @@
LOG(fatal) << "FemtoUniverseDetaDphiStar: passed arguments don't agree with FemtoUniverseDetaDphiStar's type of events! Please provide same or mixed.";
}

if (std::pow(dphiAvg, 2) / std::pow(cutDeltaPhiStarMax, 2) + std::pow(deta, 2) / std::pow(cutDeltaEtaMax, 2) > 1.) {
if (std::pow(dphiAvg, 2) / std::pow(cutDeltaPhiStarMaxVector[ktbinval], 2) + std::pow(deta, 2) / std::pow(cutDeltaEtaMaxVector[ktbinval], 2) > 1.) {
if (ChosenEventType == femto_universe_container::EventType::same) {
histdetadphisameafterkT[ktbinval]->Fill(deta, dphiAvg);
} else if (ChosenEventType == femto_universe_container::EventType::mixed) {
Expand All @@ -695,6 +685,21 @@
LOG(fatal) << "FemtoUniverseDetaDphiStar: passed arguments don't agree with FemtoUniverseDetaDphiStar's type of events! Please provide same or mixed.";
}
}

if (CircCut && (std::pow(dphiAvg, 2) / std::pow(cutDeltaPhiStarMaxVector[ktbinval], 2) + std::pow(deta, 2) / std::pow(cutDeltaEtaMaxVector[ktbinval], 2) < 1.)) {
return true;
} else if (!CircCut && (dphiAvg > cutDeltaPhiStarMinVector[ktbinval]) && (dphiAvg < cutDeltaPhiStarMaxVector[ktbinval]) && (deta > cutDeltaEtaMinVector[ktbinval]) && (deta < cutDeltaEtaMaxVector[ktbinval])) {
return true;
} else {
if (ChosenEventType == femto_universe_container::EventType::same) {
histdetadphisameafterkT[ktbinval]->Fill(deta, dphiAvg);
} else if (ChosenEventType == femto_universe_container::EventType::mixed) {
histdetadphimixedafterkT[ktbinval]->Fill(deta, dphiAvg);
} else {
LOG(fatal) << "FemtoUniverseDetaDphiStar: passed arguments don't agree with FemtoUniverseDetaDphiStar's type of events! Please provide same or mixed.";
}
return false;
}
}

/// Check if pair is close or not
Expand Down Expand Up @@ -770,6 +775,12 @@
float cutDeltaPhiStarMin;
float cutDeltaEtaMax;
float cutDeltaEtaMin;

std::vector<float> cutDeltaPhiStarMaxVector;
std::vector<float> cutDeltaPhiStarMinVector;
std::vector<float> cutDeltaEtaMaxVector;
std::vector<float> cutDeltaEtaMinVector;

float magfield;
bool plotForEveryRadii = false;
float cutPhiInvMassLow;
Expand Down
58 changes: 44 additions & 14 deletions PWGCF/FemtoUniverse/Tasks/femtoUniversePairTaskTrackTrackSpherHarMultKtExtended.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -84,9 +84,14 @@ struct femtoUniversePairTaskTrackTrackSpherHarMultKtExtended {
Configurable<bool> ConfIsCPR{"ConfIsCPR", true, "Close Pair Rejection"};
Configurable<bool> ConfCPRPlotPerRadii{"ConfCPRPlotPerRadii", false, "Plot CPR per radii"};
Configurable<float> ConfCPRdeltaPhiCutMax{"ConfCPRdeltaPhiCutMax", 0.0, "Delta Phi max cut for Close Pair Rejection"};
Configurable<float> ConfCPRdeltaPhiCutMin{"ConfCPRdeltaPhiCutMin", 0.0, "Delta Phi min cut for Close Pair Rejection"};
Configurable<float> ConfCPRdeltaEtaCutMax{"ConfCPRdeltaEtaCutMax", 0.0, "Delta Eta max cut for Close Pair Rejection"};
Configurable<float> ConfCPRdeltaEtaCutMin{"ConfCPRdeltaEtaCutMin", 0.0, "Delta Eta min cut for Close Pair Rejection"};
Configurable<float> ConfCPRdeltaPhiCutMin{"ConfCPRdeltaPhiCutMin", 0., "Delta Phi min cut for Close Pair Rejection"};
Configurable<float> ConfCPRdeltaEtaCutMax{"ConfCPRdeltaEtaCutMax", 0., "Delta Eta max cut for Close Pair Rejection"};
Configurable<float> ConfCPRdeltaEtaCutMin{"ConfCPRdeltaEtaCutMin", 0., "Delta Eta min cut for Close Pair Rejection"};
Configurable<std::vector<float>> ConfCPRdeltaPhiCutMaxVector{"ConfCPRdeltaPhiCutMaxVector", std::vector<float>{0.0, 0.0, 0.0, 0.0}, "Delta Phi max cut for Close Pair Rejection"};
Configurable<std::vector<float>> ConfCPRdeltaPhiCutMinVector{"ConfCPRdeltaPhiCutMinVector", std::vector<float>{0.0, 0.0, 0.0, 0.0}, "Delta Phi min cut for Close Pair Rejection"};
Configurable<std::vector<float>> ConfCPRdeltaEtaCutMaxVector{"ConfCPRdeltaEtaCutMaxVector", std::vector<float>{0.0, 0.0, 0.0, 0.0}, "Delta Eta max cut for Close Pair Rejection"};
Configurable<std::vector<float>> ConfCPRdeltaEtaCutMinVector{"ConfCPRdeltaEtaCutMinVector", std::vector<float>{0.0, 0.0, 0.0, 0.0}, "Delta Eta min cut for Close Pair Rejection"};
Configurable<bool> confIsCPRkT{"confIsCPRkT", true, "kT dependent deltaEta-deltaPhi cut for Close Pair Rejection"};
Configurable<float> ConfCPRChosenRadii{"ConfCPRChosenRadii", 0.80, "Delta Eta cut for Close Pair Rejection"};
Configurable<bool> confUseCCImCut{"confUseCCImCut", false, "Fill SH within specific quadrants of qout-qside"};
Configurable<bool> confUse1stand3rd{"confUse1stand3rd", false, "Use first and third quadrants of qout-qside"};
Expand All @@ -97,7 +102,7 @@ struct femtoUniversePairTaskTrackTrackSpherHarMultKtExtended {
// Filters for selecting particles (both p1 and p2)
Filter trackAdditionalfilter = (nabs(aod::femtouniverseparticle::eta) < twotracksconfigs.ConfEtaMax); // example filtering on configurable
using FilteredFemtoFullParticles = soa::Filtered<FemtoFullParticles>;
// using FilteredFemtoFullParticles = FemtoFullParticles; //if no filtering is applied uncomment this option
// using FilteredFemtoFullParticles = FemtoFullParticles; //if no filtering is applied uncomment this optionconfIsCPRkT
using FemtoRecoParticles = soa::Join<aod::FDParticles, aod::FDExtParticles, aod::FDMCLabels>;
using FilteredFemtoRecoParticles = soa::Filtered<FemtoRecoParticles>;

Expand Down Expand Up @@ -454,7 +459,7 @@ struct femtoUniversePairTaskTrackTrackSpherHarMultKtExtended {
pairCleaner.init(&qaRegistry);
if (twotracksconfigs.ConfIsCPR.value) {
pairCloseRejection.init(&resultRegistry, &qaRegistry, twotracksconfigs.ConfCPRdeltaPhiCutMin.value, twotracksconfigs.ConfCPRdeltaPhiCutMax.value, twotracksconfigs.ConfCPRdeltaEtaCutMin.value, twotracksconfigs.ConfCPRdeltaEtaCutMax.value, twotracksconfigs.ConfCPRChosenRadii.value, twotracksconfigs.ConfCPRPlotPerRadii.value);
pairCloseRejection.init_kT(&resultRegistry, ConfKtKstarBins);
pairCloseRejection.init_kT(&resultRegistry, ConfKtKstarBins, twotracksconfigs.ConfCPRdeltaPhiCutMaxVector, twotracksconfigs.ConfCPRdeltaPhiCutMinVector, twotracksconfigs.ConfCPRdeltaEtaCutMaxVector, twotracksconfigs.ConfCPRdeltaEtaCutMinVector);
}

vPIDPartOne = trackonefilter.ConfPIDPartOne.value;
Expand Down Expand Up @@ -520,14 +525,24 @@ struct femtoUniversePairTaskTrackTrackSpherHarMultKtExtended {
continue;
}

float kT = FemtoUniverseMath::getkT(p1, mass1, p2, mass2);
if (kT > ConfKtKstarBins.value.back() || kT < ConfKtKstarBins.value.front())
continue;

if (twotracksconfigs.ConfIsCPR.value) {
if (confCPRIsAtITS.value) {
if (pairCloseRejection.isClosePairAtITS(p1, p2, magFieldTesla, femto_universe_container::EventType::same)) {
continue;
}
} else {
if (pairCloseRejection.isClosePairFrac(p1, p2, magFieldTesla, femto_universe_container::EventType::same, confCPRDphiAvgOrDist, confCPRDistMax, confCPRFracMax, confIsCircularCut)) {
continue;
if (twotracksconfigs.confIsCPRkT) {
if (pairCloseRejection.isClosePairkT(p1, p2, femto_universe_container::EventType::same, kT, confIsCircularCut)) {
continue;
}
} else {
if (pairCloseRejection.isClosePairFrac(p1, p2, magFieldTesla, femto_universe_container::EventType::same, confCPRDphiAvgOrDist, confCPRDistMax, confCPRFracMax, confIsCircularCut)) {
continue;
}
}
}
}
Expand All @@ -536,7 +551,6 @@ struct femtoUniversePairTaskTrackTrackSpherHarMultKtExtended {
if (!pairCleaner.isCleanPair(p1, p2, parts)) {
continue;
}
float kT = FemtoUniverseMath::getkT(p1, mass1, p2, mass2);
sameEventMultCont.fillMultNumDen(p1, p2, femto_universe_sh_container::EventType::same, 2, multCol, kT, ConfIsIden);
}
} else {
Expand All @@ -551,15 +565,23 @@ struct femtoUniversePairTaskTrackTrackSpherHarMultKtExtended {
}

float kT = FemtoUniverseMath::getkT(p1, mass1, p2, mass2);
if (kT > ConfKtKstarBins.value.back() || kT < ConfKtKstarBins.value.front())
continue;

if (twotracksconfigs.ConfIsCPR.value) {
pairCloseRejection.kTdetadphi(p1, p2, femto_universe_container::EventType::same, kT);
if (confCPRIsAtITS.value) {
if (pairCloseRejection.isClosePairAtITS(p1, p2, magFieldTesla, femto_universe_container::EventType::same)) {
continue;
}
} else {
if (pairCloseRejection.isClosePairFrac(p1, p2, magFieldTesla, femto_universe_container::EventType::same, confCPRDphiAvgOrDist, confCPRDistMax, confCPRFracMax, confIsCircularCut)) {
continue;
if (twotracksconfigs.confIsCPRkT) {
if (pairCloseRejection.isClosePairkT(p1, p2, femto_universe_container::EventType::same, kT, confIsCircularCut)) {
continue;
}
} else {
if (pairCloseRejection.isClosePairFrac(p1, p2, magFieldTesla, femto_universe_container::EventType::same, confCPRDphiAvgOrDist, confCPRDistMax, confCPRFracMax, confIsCircularCut)) {
continue;
}
}
}
}
Expand Down Expand Up @@ -922,15 +944,23 @@ struct femtoUniversePairTaskTrackTrackSpherHarMultKtExtended {
}

float kT = FemtoUniverseMath::getkT(p1, mass1, p2, mass2);
if (kT > ConfKtKstarBins.value.back() || kT < ConfKtKstarBins.value.front())
continue;

if (twotracksconfigs.ConfIsCPR.value) {
pairCloseRejection.kTdetadphi(p1, p2, femto_universe_container::EventType::mixed, kT);
if (confCPRIsAtITS.value) {
if (pairCloseRejection.isClosePairAtITS(p1, p2, magFieldTesla, femto_universe_container::EventType::mixed)) {
continue;
}
} else {
if (pairCloseRejection.isClosePairFrac(p1, p2, magFieldTesla, femto_universe_container::EventType::mixed, confCPRDphiAvgOrDist, confCPRDistMax, confCPRFracMax, confIsCircularCut)) {
continue;
if (twotracksconfigs.confIsCPRkT) {
if (pairCloseRejection.isClosePairkT(p1, p2, femto_universe_container::EventType::mixed, kT, confIsCircularCut)) {
continue;
}
} else {
if (pairCloseRejection.isClosePairFrac(p1, p2, magFieldTesla, femto_universe_container::EventType::mixed, confCPRDphiAvgOrDist, confCPRDistMax, confCPRFracMax, confIsCircularCut)) {
continue;
}
}
}
}
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