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Implemented collision-track association to the table-maker and table-reader workflows#4585

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Merged
iarsene merged 6 commits into from
Feb 7, 2024
Merged

Implemented collision-track association to the table-maker and table-reader workflows #4585

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bb17dda
Squashed commit of the following:
Feb 6, 2024
1bf932c
small fix
Feb 7, 2024
40612c4
Comment out unused variables, for the macOS-arm test
Feb 7, 2024
65acdbd
clang fixes
Feb 7, 2024
fea6ed4
fix more macOS-arm errors
Feb 7, 2024
9579c47
more macOS-arm fixes
Feb 7, 2024
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10 changes: 0 additions & 10 deletions PWGDQ/Core/HistogramManager.cxx
View file
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Original file line numberDiff line numberDiff line change
Expand Up@@ -110,8 +110,6 @@ void HistogramManager::AddHistClass(const char* histClass)
fMainList->Add(hList);
std::list<std::vector<int>> varList;
fVariablesMap[histClass] = varList;
cout << "Adding histogram class " << histClass << endl;
cout << "Variable map size :: " << fVariablesMap.size() << endl;
}

//_________________________________________________________________
Expand DownExpand Up@@ -181,8 +179,6 @@ void HistogramManager::AddHistogram(const char* histClass, const char* hname, co
varVector.push_back(varT); // variable used for profiling in case of TProfile3D
std::list varList = fVariablesMap[histClass];
varList.push_back(varVector);
cout << "Adding histogram " << hname << endl;
cout << "size of array :: " << varList.size() << endl;
fVariablesMap[histClass] = varList;

// create and configure histograms according to required options
Expand DownExpand Up@@ -380,8 +376,6 @@ void HistogramManager::AddHistogram(const char* histClass, const char* hname, co
varVector.push_back(varT); // variable used for profiling in case of TProfile3D
std::list varList = fVariablesMap[histClass];
varList.push_back(varVector);
cout << "Adding histogram " << hname << endl;
cout << "size of array :: " << varList.size() << endl;
fVariablesMap[histClass] = varList;

TH1* h = nullptr;
Expand DownExpand Up@@ -548,8 +542,6 @@ void HistogramManager::AddHistogram(const char* histClass, const char* hname, co
}
std::list varList = fVariablesMap[histClass];
varList.push_back(varVector);
cout << "Adding histogram " << hname << endl;
cout << "size of array :: " << varList.size() << endl;
fVariablesMap[histClass] = varList;

uint32_t nbins = 1;
Expand DownExpand Up@@ -627,8 +619,6 @@ void HistogramManager::AddHistogram(const char* histClass, const char* hname, co
}
std::list varList = fVariablesMap[histClass];
varList.push_back(varVector);
cout << "Adding histogram " << hname << endl;
cout << "size of array :: " << varList.size() << endl;
fVariablesMap[histClass] = varList;

// get the min and max for each axis
Expand Down
76 changes: 42 additions & 34 deletions PWGDQ/Core/HistogramsLibrary.cxx
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Original file line numberDiff line numberDiff line change
Expand Up@@ -759,40 +759,48 @@ void o2::aod::dqhistograms::DefineHistograms(HistogramManager* hm, const char* h
}
}

if (groupStr.Contains("dilepton-hadron-mass")) {
hm->AddHistogram(histClass, "Mass_Dilepton", "", false, 125, 0.0, 5.0, VarManager::kPairMassDau);
hm->AddHistogram(histClass, "Mass_Hadron", "", false, 125, 0.0, 5.0, VarManager::kMassDau);
hm->AddHistogram(histClass, "Mass_Dilepton_Mass_Hadron", "", false, 125, 0.0, 5.0, VarManager::kPairMassDau, 125, 0.0, 5.0, VarManager::kMassDau);
hm->AddHistogram(histClass, "Pt_Dilepton", "", false, 120, 0.0, 30.0, VarManager::kPairPtDau);
hm->AddHistogram(histClass, "Pt_Track", "", false, 120, 0.0, 30.0, VarManager::kPt);
hm->AddHistogram(histClass, "Mass", "", false, 750, 0.0, 30.0, VarManager::kPairMass);
hm->AddHistogram(histClass, "Pt", "", false, 750, 0.0, 30.0, VarManager::kPairPt);
hm->AddHistogram(histClass, "Mass_Pt", "", false, 40, 0.0, 20.0, VarManager::kPairMass, 40, 0.0, 20.0, VarManager::kPairPt);
hm->AddHistogram(histClass, "Pt_Dilepton__Pt", "", false, 40, 0.0, 20.0, VarManager::kPairPtDau, 40, 0.0, 20.0, VarManager::kPairPt);
hm->AddHistogram(histClass, "Pt_Track__Pt", "", false, 40, 0.0, 20.0, VarManager::kPt, 40, 0.0, 20.0, VarManager::kPairPt);
hm->AddHistogram(histClass, "UsedKF", "", false, 2, -0.5, 1.5, VarManager::kUsedKF);
hm->AddHistogram(histClass, "KFMass", "", false, 750, 0.0, 30.0, VarManager::kKFMass);
hm->AddHistogram(histClass, "Lz", "", false, 1000, -2.0, 2.0, VarManager::kVertexingLz);
hm->AddHistogram(histClass, "Lxy", "", false, 1000, -2.0, 2.0, VarManager::kVertexingLxy);
hm->AddHistogram(histClass, "Lxyz", "", false, 1000, -2.0, 2.0, VarManager::kVertexingLxyz);
hm->AddHistogram(histClass, "Tauz", "", false, 4000, -0.01, 0.01, VarManager::kVertexingTauz);
hm->AddHistogram(histClass, "Tauxy", "", false, 4000, -0.01, 0.01, VarManager::kVertexingTauxy);
hm->AddHistogram(histClass, "LxyzErr", "", false, 100, 0.0, 10.0, VarManager::kVertexingLxyzErr);
hm->AddHistogram(histClass, "LzErr", "", false, 100, 0.0, 10.0, VarManager::kVertexingLzErr);
hm->AddHistogram(histClass, "TauzErr", "", false, 100, 0.0, 10.0, VarManager::kVertexingTauzErr);
hm->AddHistogram(histClass, "VtxingProcCode", "", false, 10, 0.0, 10.0, VarManager::kVertexingProcCode);
hm->AddHistogram(histClass, "VtxingChi2PCA", "", false, 100, 0.0, 10.0, VarManager::kVertexingChi2PCA);
hm->AddHistogram(histClass, "LzProj", "", false, 1000, -2.0, 2.0, VarManager::kVertexingLzProjected);
hm->AddHistogram(histClass, "LxyProj", "", false, 1000, -2.0, 2.0, VarManager::kVertexingLxyProjected);
hm->AddHistogram(histClass, "LxyzProj", "", false, 1000, -2.0, 2.0, VarManager::kVertexingLxyzProjected);
hm->AddHistogram(histClass, "TauzProj", "", false, 4000, -0.5, 0.5, VarManager::kVertexingTauzProjected);
hm->AddHistogram(histClass, "TauxyProj", "", false, 4000, -0.5, 0.5, VarManager::kVertexingTauxyProjected);
hm->AddHistogram(histClass, "CosPointingAngle", "", false, 100, 0.0, 1.0, VarManager::kCosPointingAngle);
}

if (groupStr.Contains("dilepton-hadron-correlation")) {
hm->AddHistogram(histClass, "DeltaEta_DeltaPhi", "", false, 20, -2.0, 2.0, VarManager::kDeltaEta, 50, -8.0, 8.0, VarManager::kDeltaPhi);
hm->AddHistogram(histClass, "DeltaEta_DeltaPhiSym", "", false, 20, -2.0, 2.0, VarManager::kDeltaEta, 50, -8.0, 8.0, VarManager::kDeltaPhiSym);
if (groupStr.Contains("dilepton-track")) {
if (subGroupStr.Contains("mixedevent")) { // for mixed event
hm->AddHistogram(histClass, "Mass_Pt", "", false, 40, 0.0, 20.0, VarManager::kPairMass, 40, 0.0, 20.0, VarManager::kPairPt);
hm->AddHistogram(histClass, "Mass", "", false, 750, 0.0, 30.0, VarManager::kPairMass);
hm->AddHistogram(histClass, "Pt", "", false, 750, 0.0, 30.0, VarManager::kPairPt);
}
if (subGroupStr.Contains("invmass")) {
hm->AddHistogram(histClass, "Mass_Dilepton", "", false, 125, 0.0, 5.0, VarManager::kPairMassDau);
hm->AddHistogram(histClass, "Mass_Hadron", "", false, 125, 0.0, 5.0, VarManager::kMassDau);
hm->AddHistogram(histClass, "Mass_Dilepton_Mass_Hadron", "", false, 125, 0.0, 5.0, VarManager::kPairMassDau, 125, 0.0, 5.0, VarManager::kMassDau);
hm->AddHistogram(histClass, "Pt_Dilepton", "", false, 120, 0.0, 30.0, VarManager::kPairPtDau);
hm->AddHistogram(histClass, "Pt_Track", "", false, 120, 0.0, 30.0, VarManager::kPt);
hm->AddHistogram(histClass, "Mass", "", false, 750, 0.0, 30.0, VarManager::kPairMass);
hm->AddHistogram(histClass, "Pt", "", false, 750, 0.0, 30.0, VarManager::kPairPt);
hm->AddHistogram(histClass, "Mass_Pt", "", false, 40, 0.0, 20.0, VarManager::kPairMass, 40, 0.0, 20.0, VarManager::kPairPt);
hm->AddHistogram(histClass, "Pt_Dilepton__Pt", "", false, 40, 0.0, 20.0, VarManager::kPairPtDau, 40, 0.0, 20.0, VarManager::kPairPt);
hm->AddHistogram(histClass, "Pt_Track__Pt", "", false, 40, 0.0, 20.0, VarManager::kPt, 40, 0.0, 20.0, VarManager::kPairPt);
}
if (subGroupStr.Contains("vertexing")) {
hm->AddHistogram(histClass, "UsedKF", "", false, 2, -0.5, 1.5, VarManager::kUsedKF);
hm->AddHistogram(histClass, "KFMass", "", false, 750, 0.0, 30.0, VarManager::kKFMass);
hm->AddHistogram(histClass, "Lz", "", false, 1000, -2.0, 2.0, VarManager::kVertexingLz);
hm->AddHistogram(histClass, "Lxy", "", false, 1000, -2.0, 2.0, VarManager::kVertexingLxy);
hm->AddHistogram(histClass, "Lxyz", "", false, 1000, -2.0, 2.0, VarManager::kVertexingLxyz);
hm->AddHistogram(histClass, "Tauz", "", false, 4000, -0.01, 0.01, VarManager::kVertexingTauz);
hm->AddHistogram(histClass, "Tauxy", "", false, 4000, -0.01, 0.01, VarManager::kVertexingTauxy);
hm->AddHistogram(histClass, "LxyzErr", "", false, 100, 0.0, 10.0, VarManager::kVertexingLxyzErr);
hm->AddHistogram(histClass, "LzErr", "", false, 100, 0.0, 10.0, VarManager::kVertexingLzErr);
hm->AddHistogram(histClass, "TauzErr", "", false, 100, 0.0, 10.0, VarManager::kVertexingTauzErr);
hm->AddHistogram(histClass, "VtxingProcCode", "", false, 10, 0.0, 10.0, VarManager::kVertexingProcCode);
hm->AddHistogram(histClass, "VtxingChi2PCA", "", false, 100, 0.0, 10.0, VarManager::kVertexingChi2PCA);
hm->AddHistogram(histClass, "LzProj", "", false, 1000, -2.0, 2.0, VarManager::kVertexingLzProjected);
hm->AddHistogram(histClass, "LxyProj", "", false, 1000, -2.0, 2.0, VarManager::kVertexingLxyProjected);
hm->AddHistogram(histClass, "LxyzProj", "", false, 1000, -2.0, 2.0, VarManager::kVertexingLxyzProjected);
hm->AddHistogram(histClass, "TauzProj", "", false, 4000, -0.5, 0.5, VarManager::kVertexingTauzProjected);
hm->AddHistogram(histClass, "TauxyProj", "", false, 4000, -0.5, 0.5, VarManager::kVertexingTauxyProjected);
hm->AddHistogram(histClass, "CosPointingAngle", "", false, 100, 0.0, 1.0, VarManager::kCosPointingAngle);
}
if (subGroupStr.Contains("correlation")) {
hm->AddHistogram(histClass, "DeltaEta_DeltaPhi", "", false, 20, -2.0, 2.0, VarManager::kDeltaEta, 50, -8.0, 8.0, VarManager::kDeltaPhi);
hm->AddHistogram(histClass, "DeltaEta_DeltaPhiSym", "", false, 20, -2.0, 2.0, VarManager::kDeltaEta, 50, -8.0, 8.0, VarManager::kDeltaPhiSym);
}
}

if (groupStr.Contains("dilepton-hadron-array-correlation")) {
Expand Down
91 changes: 61 additions & 30 deletions PWGDQ/Core/VarManager.h
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Original file line numberDiff line numberDiff line change
Expand Up@@ -37,7 +37,6 @@
#include "Math/GenVector/Boost.h"

#include "Framework/DataTypes.h"
// #include "MCHTracking/TrackExtrap.h"
#include "TGeoGlobalMagField.h"
#include "Field/MagneticField.h"
#include "ReconstructionDataFormats/Track.h"
Expand All@@ -46,6 +45,8 @@
#include "Common/CCDB/EventSelectionParams.h"
#include "Common/CCDB/TriggerAliases.h"
#include "ReconstructionDataFormats/DCA.h"
#include "DetectorsBase/Propagator.h"
#include "Common/Core/trackUtilities.h"

#include "Math/SMatrix.h"
#include "ReconstructionDataFormats/TrackFwd.h"
Expand DownExpand Up@@ -340,7 +341,6 @@ class VarManager : public TObject
kMuonC1Pt2Phi,
kMuonC1Pt2Tgl,
kMuonC1Pt21Pt2,
kNMuonTrackVariables,
kMuonTrackType,
kMuonDCAx,
kMuonDCAy,
Expand All@@ -349,6 +349,7 @@ class VarManager : public TObject
kMftNClusters,
kMftClusterSize,
kMftMeanClusterSize,
kNMuonTrackVariables,

// MC particle variables
kMCPdgCode,
Expand DownExpand Up@@ -416,7 +417,6 @@ class VarManager : public TObject
kPsi2C,
kCos2DeltaPhi,
kCos3DeltaPhi,
kNPairVariables,
kDeltaPtotTracks,
kVertexingLxyOverErr,
kVertexingLzOverErr,
Expand All@@ -432,6 +432,7 @@ class VarManager : public TObject
kKFChi2OverNDFGeo,
kKFNContributorsPV,
kKFCosPA,
kNPairVariables,

// Candidate-track correlation variables
kPairMass,
Expand DownExpand Up@@ -629,6 +630,8 @@ class VarManager : public TObject
static void FillEvent(T const& event, float* values = nullptr);
template <uint32_t fillMap, typename T>
static void FillTrack(T const& track, float* values = nullptr);
template <uint32_t fillMap, typename T, typename C>
static void FillTrackCollision(T const& track, C const& collision, float* values = nullptr);
template <typename U, typename T>
static void FillTrackMC(const U& mcStack, T const& track, float* values = nullptr);
template <uint32_t fillMap, typename T1, typename T2, typename C>
Expand DownExpand Up@@ -726,7 +729,7 @@ class VarManager : public TObject
VarManager& operator=(const VarManager& c);
VarManager(const VarManager& c);

ClassDef(VarManager, 2)
ClassDefNV(VarManager, 3)
};

template <typename T, typename U, typename V>
Expand DownExpand Up@@ -856,8 +859,10 @@ void VarManager::FillPropagateMuon(const T& muon, const C& collision, float* val
if (!values) {
values = fgValues;
}
if constexpr ((fillMap & MuonCov) > 0) {

if constexpr ((fillMap & MuonCov) > 0 || (fillMap & ReducedMuonCov) > 0) {
o2::dataformats::GlobalFwdTrack propmuon = PropagateMuon(muon, collision);

values[kPt] = propmuon.getPt();
values[kX] = propmuon.getX();
values[kY] = propmuon.getY();
Expand DownExpand Up@@ -979,14 +984,14 @@ void VarManager::FillEvent(T const& event, float* values)
values[kVtxZ] = event.posZ();
values[kVtxNcontrib] = event.numContrib();
if (fgUsedVars[kIsSel8]) {
values[kIsSel8] = (event.tag() & (uint64_t(1) << o2::aod::evsel::kIsTriggerTVX)) > 0;
values[kIsSel8] = (event.selection_bit(o2::aod::evsel::kIsTriggerTVX) > 0);
}
if (fgUsedVars[kIsDoubleGap]) {
values[kIsDoubleGap] = (event.tag() & (uint64_t(1) << (56 + kDoubleGap))) > 0;
values[kIsDoubleGap] = (event.tag_bit(56 + kDoubleGap) > 0);
}
if (fgUsedVars[kIsSingleGap] || fgUsedVars[kIsSingleGapA] || fgUsedVars[kIsSingleGapC]) {
values[kIsSingleGapA] = (event.tag() & (uint64_t(1) << (56 + kSingleGapA))) > 0;
values[kIsSingleGapC] = (event.tag() & (uint64_t(1) << (56 + kSingleGapC))) > 0;
values[kIsSingleGapA] = (event.tag_bit(56 + kSingleGapA) > 0);
values[kIsSingleGapC] = (event.tag_bit(56 + kSingleGapC) > 0);
values[kIsSingleGap] = values[kIsSingleGapA] || values[kIsSingleGapC];
}
}
Expand All@@ -997,37 +1002,37 @@ void VarManager::FillEvent(T const& event, float* values)
values[kCentVZERO] = event.centRun2V0M();
values[kCentFT0C] = event.centFT0C();
if (fgUsedVars[kIsINT7]) {
values[kIsINT7] = (event.triggerAlias() & (uint32_t(1) << kINT7)) > 0;
values[kIsINT7] = (event.alias_bit(kINT7) > 0);
}
if (fgUsedVars[kIsEMC7]) {
values[kIsEMC7] = (event.triggerAlias() & (uint32_t(1) << kEMC7)) > 0;
values[kIsEMC7] = (event.alias_bit(kEMC7) > 0);
}
if (fgUsedVars[kIsINT7inMUON]) {
values[kIsINT7inMUON] = (event.triggerAlias() & (uint32_t(1) << kINT7inMUON)) > 0;
values[kIsINT7inMUON] = (event.alias_bit(kINT7inMUON) > 0);
}
if (fgUsedVars[kIsMuonSingleLowPt7]) {
values[kIsMuonSingleLowPt7] = (event.triggerAlias() & (uint32_t(1) << kMuonSingleLowPt7)) > 0;
values[kIsMuonSingleLowPt7] = (event.alias_bit(kMuonSingleLowPt7) > 0);
}
if (fgUsedVars[kIsMuonSingleHighPt7]) {
values[kIsMuonSingleHighPt7] = (event.triggerAlias() & (uint32_t(1) << kMuonSingleHighPt7)) > 0;
values[kIsMuonSingleHighPt7] = (event.alias_bit(kMuonSingleHighPt7) > 0);
}
if (fgUsedVars[kIsMuonUnlikeLowPt7]) {
values[kIsMuonUnlikeLowPt7] = (event.triggerAlias() & (uint32_t(1) << kMuonUnlikeLowPt7)) > 0;
values[kIsMuonUnlikeLowPt7] = (event.alias_bit(kMuonUnlikeLowPt7) > 0);
}
if (fgUsedVars[kIsMuonLikeLowPt7]) {
values[kIsMuonLikeLowPt7] = (event.triggerAlias() & (uint32_t(1) << kMuonLikeLowPt7)) > 0;
values[kIsMuonLikeLowPt7] = (event.alias_bit(kMuonLikeLowPt7) > 0);
}
if (fgUsedVars[kIsCUP8]) {
values[kIsCUP8] = (event.triggerAlias() & (uint32_t(1) << kCUP8)) > 0;
values[kIsCUP8] = (event.alias_bit(kCUP8) > 0);
}
if (fgUsedVars[kIsCUP9]) {
values[kIsCUP9] = (event.triggerAlias() & (uint32_t(1) << kCUP9)) > 0;
values[kIsCUP9] = (event.alias_bit(kCUP9) > 0);
}
if (fgUsedVars[kIsMUP10]) {
values[kIsMUP10] = (event.triggerAlias() & (uint32_t(1) << kMUP10)) > 0;
values[kIsMUP10] = (event.alias_bit(kMUP10) > 0);
}
if (fgUsedVars[kIsMUP11]) {
values[kIsMUP11] = (event.triggerAlias() & (uint32_t(1) << kMUP11)) > 0;
values[kIsMUP11] = (event.alias_bit(kMUP11) > 0);
}
}

Expand DownExpand Up@@ -1150,20 +1155,20 @@ void VarManager::FillTrack(T const& track, float* values)
values[kCharge] = track.sign();

if constexpr ((fillMap & ReducedTrack) > 0 && !((fillMap & Pair) > 0)) {
values[kIsGlobalTrack] = track.filteringFlags() & (uint64_t(1) << 0);
values[kIsGlobalTrackSDD] = track.filteringFlags() & (uint64_t(1) << 1);
values[kIsGlobalTrack] = track.filteringFlags_bit(0);
values[kIsGlobalTrackSDD] = track.filteringFlags_bit(1);
values[kIsAmbiguous] = track.isAmbiguous();

values[kIsLegFromGamma] = static_cast<bool>(track.filteringFlags() & (uint64_t(1) << 2));
values[kIsLegFromK0S] = static_cast<bool>(track.filteringFlags() & (uint64_t(1) << 3));
values[kIsLegFromLambda] = static_cast<bool>(track.filteringFlags() & (uint64_t(1) << 4));
values[kIsLegFromAntiLambda] = static_cast<bool>(track.filteringFlags() & (uint64_t(1) << 5));
values[kIsLegFromOmega] = static_cast<bool>(track.filteringFlags() & (uint64_t(1) << 6));
values[kIsLegFromGamma] = track.filteringFlags_bit(2);
values[kIsLegFromK0S] = track.filteringFlags_bit(3);
values[kIsLegFromLambda] = track.filteringFlags_bit(4);
values[kIsLegFromAntiLambda] = track.filteringFlags_bit(5);
values[kIsLegFromOmega] = track.filteringFlags_bit(6);

values[kIsProtonFromLambdaAndAntiLambda] = static_cast<bool>((values[kIsLegFromLambda] * track.sign() > 0) || (values[kIsLegFromAntiLambda] * (-track.sign()) > 0));

for (int i = 0; i < 8; i++) {
values[kIsDalitzLeg + i] = static_cast<bool>(track.filteringFlags() & (uint64_t(1) << (7 + i)));
values[kIsDalitzLeg + i] = track.filteringFlags_bit(7 + i);
}
}
}
Expand DownExpand Up@@ -1490,6 +1495,32 @@ void VarManager::FillTrack(T const& track, float* values)
FillTrackDerived(values);
}

template <uint32_t fillMap, typename T, typename C>
void VarManager::FillTrackCollision(T const& track, C const& collision, float* values)
{

if (!values) {
values = fgValues;
}
if constexpr ((fillMap & ReducedTrackBarrel) > 0 || (fillMap & TrackDCA) > 0) {
auto trackPar = getTrackPar(track);
std::array<float, 2> dca{1e10f, 1e10f};
trackPar.propagateParamToDCA({collision.posX(), collision.posY(), collision.posZ()}, fgMagField, &dca);

values[kTrackDCAxy] = dca[0];
values[kTrackDCAz] = dca[1];

if constexpr ((fillMap & ReducedTrackBarrelCov) > 0 || (fillMap & TrackCov) > 0) {
if (fgUsedVars[kTrackDCAsigXY]) {
values[kTrackDCAsigXY] = dca[0] / std::sqrt(track.cYY());
}
if (fgUsedVars[kTrackDCAsigZ]) {
values[kTrackDCAsigZ] = dca[1] / std::sqrt(track.cZZ());
}
}
}
}

template <typename U, typename T>
void VarManager::FillTrackMC(const U& mcStack, T const& track, float* values)
{
Expand DownExpand Up@@ -2122,14 +2153,14 @@ void VarManager::FillPairVertexing(C const& collision, T const& t1, T const& t2,
float xyz[3] = {0, 0, 0};
KFGeoTwoProng.GetFieldValue(xyz, B);
// TODO: find better soluton to handle cases where KF outputs negative variances
float covXX = 0.1;
/*float covXX = 0.1;
float covYY = 0.1;
if (KFGeoTwoProng.GetCovariance(0, 0) > 0) {
covXX = KFGeoTwoProng.GetCovariance(0, 0);
}
if (KFGeoTwoProng.GetCovariance(1, 1) > 0) {
covYY = KFGeoTwoProng.GetCovariance(0, 0);
}
}*/
pars1.propagateToVtxhelixWithMCS(KFGeoTwoProng.GetZ(), {KFGeoTwoProng.GetX(), KFGeoTwoProng.GetY()}, {KFGeoTwoProng.GetCovariance(0, 0), KFGeoTwoProng.GetCovariance(1, 1)}, B[2], x2x01);
pars2.propagateToVtxhelixWithMCS(KFGeoTwoProng.GetZ(), {KFGeoTwoProng.GetX(), KFGeoTwoProng.GetY()}, {KFGeoTwoProng.GetCovariance(0, 0), KFGeoTwoProng.GetCovariance(1, 1)}, B[2], x2x02);
v1 = {pars1.getPt(), pars1.getEta(), pars1.getPhi(), m1};
Expand Down
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