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[PWGHF] Improve tasks for B to JPsi analyses #16500

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[PWGHF] Improve tasks for B to JPsi analyses #16500

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8a66b1b
Fix Bs table creation
fchinu Jun 1, 2026
27e3828
Fix J/Psi mass selection
fchinu Jun 1, 2026
e7295f8
Add configurables to use J/Psi PDG mass instead of reconstructed one
fchinu Jun 2, 2026
c720496
Let CTAD deduce types
fchinu Jun 3, 2026
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77 changes: 56 additions & 21 deletions PWGHF/Core/HfHelper.h
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Original file line number Diff line number Diff line change
Expand Up @@ -172,9 +172,18 @@ struct HfHelper {
}

template <typename T>
static auto invMassBplusToJpsiK(const T& candidate)
static auto invMassBplusToJpsiK(const T& candidate, const bool useJpsiPdgMass)
{
return candidate.m(std::array{o2::constants::physics::MassMuon, o2::constants::physics::MassMuon, o2::constants::physics::MassKPlus});
auto const pVecMuPos = candidate.pVectorProng0();
auto const pVecMuNeg = candidate.pVectorProng1();
auto const pVecKa = candidate.pVectorProng2();
if (useJpsiPdgMass) {
return RecoDecay::m(std::array{RecoDecay::pVec(pVecMuPos, pVecMuNeg), pVecKa},
std::array{o2::constants::physics::MassJPsi, o2::constants::physics::MassKPlus});
}
// Do not use PDG mass for J/psi
return RecoDecay::m(std::array{pVecMuPos, pVecMuNeg, pVecKa},
std::array{o2::constants::physics::MassMuon, o2::constants::physics::MassMuon, o2::constants::physics::MassKPlus});
}

template <typename T>
Expand Down Expand Up @@ -684,9 +693,27 @@ struct HfHelper {
}

template <typename T>
static auto invMassBsToJpsiPhi(const T& candidate)
static auto invMassBsToJpsiPhi(const T& candidate, const bool useJpsiPdgMass, const bool usePhiPdgMass)
{
return candidate.m(std::array{o2::constants::physics::MassMuon, o2::constants::physics::MassMuon, o2::constants::physics::MassKPlus, o2::constants::physics::MassKPlus});
auto const pVecMuPos = candidate.pVectorProng0();
auto const pVecMuNeg = candidate.pVectorProng1();
auto const pVecKaPos = candidate.pVectorProng2();
auto const pVecKaNeg = candidate.pVectorProng3();
if (useJpsiPdgMass && usePhiPdgMass) {
return RecoDecay::m(std::array{RecoDecay::pVec(pVecMuPos, pVecMuNeg), RecoDecay::pVec(pVecKaPos, pVecKaNeg)},
std::array{o2::constants::physics::MassJPsi, o2::constants::physics::MassPhi});
}
if (useJpsiPdgMass && !usePhiPdgMass) {
return RecoDecay::m(std::array{RecoDecay::pVec(pVecMuPos, pVecMuNeg), pVecKaPos, pVecKaNeg},
std::array{o2::constants::physics::MassJPsi, o2::constants::physics::MassKPlus, o2::constants::physics::MassKPlus});
}
if (!useJpsiPdgMass && usePhiPdgMass) {
return RecoDecay::m(std::array{pVecMuPos, pVecMuNeg, RecoDecay::pVec(pVecKaPos, pVecKaNeg)},
std::array{o2::constants::physics::MassMuon, o2::constants::physics::MassMuon, o2::constants::physics::MassPhi});
}
// Do not use PDG mass for either J/psi or phi
return RecoDecay::m(std::array{pVecMuPos, pVecMuNeg, pVecKaPos, pVecKaNeg},
std::array{o2::constants::physics::MassMuon, o2::constants::physics::MassMuon, o2::constants::physics::MassKPlus, o2::constants::physics::MassKPlus});
}

template <typename T>
Expand Down Expand Up @@ -905,14 +932,18 @@ struct HfHelper {
/// \param candBp B+ candidate
/// \param cuts B+ candidate selection per pT bin
/// \param binsPt pT bin limits
/// \param useJpsiPdgMass Use PDG mass for J/psi when calculating Bs candidate mass
/// \return true if candidate passes all selections
template <typename T1, typename T2, typename T3>
static bool selectionBplusToJpsiKTopol(const T1& candBp, const T2& cuts, const T3& binsPt)
static bool selectionBplusToJpsiKTopol(const T1& candBp, const T2& cuts, const T3& binsPt, const bool useJpsiPdgMass)
{
auto ptCandBp = candBp.pt();
auto mCandBp = invMassBplusToJpsiK(candBp);
auto ptJpsi = RecoDecay::pt(candBp.pxProng0(), candBp.pyProng0());
auto ptKa = RecoDecay::pt(candBp.pxProng1(), candBp.pyProng1());
auto mCandBp = invMassBplusToJpsiK(candBp, useJpsiPdgMass);
auto const pVecMu0 = candBp.pVectorProng0();
auto const pVecMu1 = candBp.pVectorProng1();
auto const pVecKa = candBp.pVectorProng2();
auto ptJpsi = RecoDecay::pt(pVecMu0, pVecMu1);
auto ptKa = RecoDecay::pt(pVecKa);
auto candJpsi = candBp.jpsi();
float pseudoPropDecLen = candBp.decayLengthXY() * mCandBp / ptCandBp;

Expand All @@ -937,7 +968,7 @@ struct HfHelper {
}

// J/Psi mass
if (std::abs(candJpsi.m() - o2::constants::physics::MassJPsi) < cuts->get(binPt, "DeltaM J/Psi")) {
if (std::abs(candJpsi.m() - o2::constants::physics::MassJPsi) > cuts->get(binPt, "DeltaM J/Psi")) {
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return false;
}

Expand Down Expand Up @@ -1088,20 +1119,24 @@ struct HfHelper {

// Apply topological cuts as defined in SelectorCuts.h
/// \param candBs Bs candidate
/// \param candKa0 kaon candidate 0 (phi daughter)
/// \param candKa1 kaon candidate 1 (phi daughter)
/// \param cuts Bs candidate selection per pT bin
/// \param binsPt pT bin limits
/// \param useJpsiPdgMass Use PDG mass for J/psi when calculating Bs candidate mass
/// \param usePhiPdgMass Use PDG mass for phi when calculating Bs candidate mass
/// \return true if candidate passes all selections
template <typename T1, typename T2, typename T3, typename T4, typename T5>
static bool selectionBsToJpsiPhiTopol(const T1& candBs, const T2& candKa0, const T3& candKa1, const T4& cuts, const T5& binsPt)
template <typename T1, typename T2, typename T3>
static bool selectionBsToJpsiPhiTopol(const T1& candBs, const T2& cuts, const T3& binsPt, const bool useJpsiPdgMass, const bool usePhiPdgMass)
{
auto ptCandBs = candBs.pt();
auto mCandBs = invMassBsToJpsiPhi(candBs);
std::array<float, 3> pVecKa0 = candKa0.pVector();
std::array<float, 3> pVecKa1 = candKa1.pVector();
auto mCandBs = invMassBsToJpsiPhi(candBs, useJpsiPdgMass, usePhiPdgMass);
auto const pVecMu0 = candBs.pVectorProng0();
auto const pVecMu1 = candBs.pVectorProng1();
auto const pVecKa0 = candBs.pVectorProng2();
auto const pVecKa1 = candBs.pVectorProng3();
auto mCandPhi = RecoDecay::m(std::array{pVecKa0, pVecKa1}, std::array{o2::constants::physics::MassKPlus, o2::constants::physics::MassKPlus});
auto ptJpsi = RecoDecay::pt(candBs.pxProng0(), candBs.pyProng0());
auto ptJpsi = RecoDecay::pt(pVecMu0, pVecMu1);
auto ptKa0 = RecoDecay::pt(pVecKa0);
auto ptKa1 = RecoDecay::pt(pVecKa1);
auto candJpsi = candBs.jpsi();
float pseudoPropDecLen = candBs.decayLengthXY() * mCandBs / ptCandBs;

Expand All @@ -1116,8 +1151,8 @@ struct HfHelper {
}

// kaon pt
if (candKa0.pt() < cuts->get(binPt, "pT K") &&
candKa1.pt() < cuts->get(binPt, "pT K")) {
if (ptKa0 < cuts->get(binPt, "pT K") &&
ptKa1 < cuts->get(binPt, "pT K")) {
return false;
}

Expand All @@ -1127,12 +1162,12 @@ struct HfHelper {
}

// phi mass
if (std::abs(mCandPhi - o2::constants::physics::MassPhi) < cuts->get(binPt, "DeltaM phi")) {
if (std::abs(mCandPhi - o2::constants::physics::MassPhi) > cuts->get(binPt, "DeltaM phi")) {
return false;
}

// J/Psi mass
if (std::abs(candJpsi.m() - o2::constants::physics::MassJPsi) < cuts->get(binPt, "DeltaM J/Psi")) {
if (std::abs(candJpsi.m() - o2::constants::physics::MassJPsi) > cuts->get(binPt, "DeltaM J/Psi")) {
return false;
}

Expand Down
4 changes: 2 additions & 2 deletions PWGHF/D2H/TableProducer/candidateCreatorBToJpsiReduced.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -343,9 +343,9 @@ struct HfCandidateCreatorBToJpsiReduced {
errorDecayLength, errorDecayLengthXY,
chi2PCA,
pVecDauPos[0], pVecDauPos[1], pVecDauPos[2],
pVecDauNeg[0], pVecDauNeg[1], pVecDauPos[2],
pVecDauNeg[0], pVecDauNeg[1], pVecDauNeg[2],
pVecTrackLf0[0], pVecTrackLf0[1], pVecTrackLf0[2],
pVecTrackLf1[0], pVecTrackLf1[1], pVecTrackLf0[2],
pVecTrackLf1[0], pVecTrackLf1[1], pVecTrackLf1[2],
dcaDauPos.getY(), dcaDauNeg.getY(), dcaTrackLf0.getY(), dcaTrackLf1.getY(),
std::sqrt(dcaDauPos.getSigmaY2()), std::sqrt(dcaDauNeg.getSigmaY2()), std::sqrt(dcaTrackLf0.getSigmaY2()), std::sqrt(dcaTrackLf1.getSigmaY2()));
rowCandidateBsProngs(candJpsi.globalIndex(), trackLf0.globalIndex(), trackLf1.globalIndex());
Expand Down
29 changes: 16 additions & 13 deletions PWGHF/D2H/Tasks/taskBplusToJpsiKReduced.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -141,7 +141,6 @@ DECLARE_SOA_TABLE(HfRedCandBpLites, "AOD", "HFREDCANDBPLITE", //! Table with som
hf_cand_bplustojpsik_lite::PtJpsi,
hf_cand_bplustojpsik_lite::ImpactParameterJpsiDauPos,
hf_cand_bplustojpsik_lite::ImpactParameterJpsiDauNeg,
hf_cand_bplustojpsik_lite::ImpactParameterLfTrack0,
// Jpsi daughter features
hf_cand_bplustojpsik_lite::ItsNClsJpsiDauPos,
hf_cand_bplustojpsik_lite::TpcNClsCrossedRowsJpsiDauPos,
Expand All @@ -155,6 +154,7 @@ DECLARE_SOA_TABLE(HfRedCandBpLites, "AOD", "HFREDCANDBPLITE", //! Table with som
hf_cand_bplustojpsik_lite::AbsEtaJpsiDauNeg,
// kaon features
hf_cand_bplustojpsik_lite::PtBach,
hf_cand_bplustojpsik_lite::ImpactParameterLfTrack0,
hf_cand_bplustojpsik_lite::ItsNClsLfTrack0,
hf_cand_bplustojpsik_lite::TpcNClsCrossedRowsLfTrack0,
hf_cand_bplustojpsik_lite::ItsChi2NClLfTrack0,
Expand Down Expand Up @@ -207,6 +207,7 @@ struct HfTaskBplusToJpsiKReduced {
Configurable<bool> fillBackground{"fillBackground", false, "Flag to enable filling of background histograms/sparses/tree (only MC)"};
Configurable<float> downSampleBkgFactor{"downSampleBkgFactor", 1., "Fraction of background candidates to keep for ML trainings"};
Configurable<float> ptMaxForDownSample{"ptMaxForDownSample", 10., "Maximum pt for the application of the downsampling factor"};
Configurable<bool> useJpsiPdgMass{"useJpsiPdgMass", true, "Whether to use J/Psi PDG mass for B+ candidate mass evaluation or to use the invariant mass of the two prongs"};
// topological cuts
Configurable<std::vector<double>> binsPt{"binsPt", std::vector<double>{hf_cuts_bplus_to_jpsi_k::vecBinsPt}, "pT bin limits"};
Configurable<LabeledArray<double>> cuts{"cuts", {hf_cuts_bplus_to_jpsi_k::Cuts[0], hf_cuts_bplus_to_jpsi_k::NBinsPt, hf_cuts_bplus_to_jpsi_k::NCutVars, hf_cuts_bplus_to_jpsi_k::labelsPt, hf_cuts_bplus_to_jpsi_k::labelsCutVar}, "B+ candidate selection per pT bin"};
Expand Down Expand Up @@ -339,11 +340,13 @@ struct HfTaskBplusToJpsiKReduced {
aod::HfRedBach0Tracks const&)
{
auto ptCandBplus = candidate.pt();
auto invMassBplus = HfHelper::invMassBplusToJpsiK(candidate);
auto invMassBplus = HfHelper::invMassBplusToJpsiK(candidate, useJpsiPdgMass);
auto candJpsi = candidate.template jpsi_as<aod::HfRedJpsis>();
auto candKa = candidate.template bachKa_as<aod::HfRedBach0Tracks>();
auto ptJpsi = candidate.ptProng0();
auto invMassJpsi = candJpsi.m();
auto const pVecMu0 = candidate.pVectorProng0();
auto const pVecMu1 = candidate.pVectorProng1();
auto ptJpsi = RecoDecay::pt(pVecMu0, pVecMu1);
auto invMassJpsi = RecoDecay::m(std::array{pVecMu0, pVecMu1}, std::array{o2::constants::physics::MassMuonPlus, o2::constants::physics::MassMuonMinus});
uint8_t statusBplus = 0;

int8_t flagMcMatchRec{0}, flagMcDecayChanRec{0}, flagWrongCollision{0};
Expand All @@ -356,7 +359,7 @@ struct HfTaskBplusToJpsiKReduced {
}

SETBIT(statusBplus, SelectionStep::RecoSkims);
if (HfHelper::selectionBplusToJpsiKTopol(candidate, cuts, binsPt)) {
if (HfHelper::selectionBplusToJpsiKTopol(candidate, cuts, binsPt, useJpsiPdgMass)) {
SETBIT(statusBplus, SelectionStep::RecoTopol);
} else if (selectionFlagBplus >= BIT(SelectionStep::RecoTopol) * 2 - 1) {
return;
Expand Down Expand Up @@ -391,17 +394,17 @@ struct HfTaskBplusToJpsiKReduced {
}

registry.fill(HIST("hMass"), invMassBplus, ptCandBplus);
registry.fill(HIST("hMassJpsi"), invMassJpsi, candidate.ptProng0());
registry.fill(HIST("hd0K"), candidate.impactParameter1(), candidate.ptProng1());
registry.fill(HIST("hMassJpsi"), invMassJpsi, ptJpsi);
registry.fill(HIST("hd0K"), candidate.impactParameter2(), candidate.ptProng2());
if constexpr (DoMc) {
if (isSignal) {
registry.fill(HIST("hMassRecSig"), invMassBplus, ptCandBplus);
registry.fill(HIST("hMassJpsiRecSig"), invMassJpsi, candidate.ptProng0());
registry.fill(HIST("hd0KRecSig"), candidate.impactParameter1(), candidate.ptProng1());
registry.fill(HIST("hMassJpsiRecSig"), invMassJpsi, ptJpsi);
registry.fill(HIST("hd0KRecSig"), candidate.impactParameter2(), candidate.ptProng2());
} else if (fillBackground) {
registry.fill(HIST("hMassRecBg"), invMassBplus, ptCandBplus);
registry.fill(HIST("hMassJpsiRecBg"), invMassJpsi, candidate.ptProng0());
registry.fill(HIST("hd0KRecBg"), candidate.impactParameter1(), candidate.ptProng1());
registry.fill(HIST("hMassJpsiRecBg"), invMassJpsi, ptJpsi);
registry.fill(HIST("hd0KRecBg"), candidate.impactParameter2(), candidate.ptProng2());
}
}

Expand Down Expand Up @@ -436,7 +439,6 @@ struct HfTaskBplusToJpsiKReduced {
ptJpsi,
candidate.impactParameter0(),
candidate.impactParameter1(),
candidate.impactParameter2(),
candJpsi.itsNClsDauPos(),
candJpsi.tpcNClsCrossedRowsDauPos(),
candJpsi.itsChi2NClDauPos(),
Expand All @@ -448,7 +450,8 @@ struct HfTaskBplusToJpsiKReduced {
candJpsi.tpcChi2NClDauNeg(),
absEta(candJpsi.tglDauNeg()),
// kaon features
candidate.ptProng1(),
candidate.ptProng2(),
candidate.impactParameter2(),
candKa.itsNCls(),
candKa.tpcNClsCrossedRows(),
candKa.itsChi2NCl(),
Expand Down
31 changes: 15 additions & 16 deletions PWGHF/D2H/Tasks/taskBsToJpsiPhiReduced.cxx
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Expand Up @@ -232,6 +232,8 @@ struct HfTaskBsToJpsiPhiReduced {
Configurable<bool> fillBackground{"fillBackground", false, "Flag to enable filling of background histograms/sparses/tree (only MC)"};
Configurable<float> downSampleBkgFactor{"downSampleBkgFactor", 1., "Fraction of background candidates to keep for ML trainings"};
Configurable<float> ptMaxForDownSample{"ptMaxForDownSample", 10., "Maximum pt for the application of the downsampling factor"};
Configurable<bool> useJpsiPdgMass{"useJpsiPdgMass", true, "Whether to use J/Psi PDG mass for B+ candidate mass evaluation or to use the invariant mass of the two prongs"};
Configurable<bool> usePhiPdgMass{"usePhiPdgMass", true, "Whether to use Phi PDG mass for B+ candidate mass evaluation or to use the invariant mass of the two prongs"};
// topological cuts
Configurable<std::vector<double>> binsPt{"binsPt", std::vector<double>{hf_cuts_bs_to_jpsi_phi::vecBinsPt}, "pT bin limits"};
Configurable<LabeledArray<double>> cuts{"cuts", {hf_cuts_bs_to_jpsi_phi::Cuts[0], hf_cuts_bs_to_jpsi_phi::NBinsPt, hf_cuts_bs_to_jpsi_phi::NCutVars, hf_cuts_bs_to_jpsi_phi::labelsPt, hf_cuts_bs_to_jpsi_phi::labelsCutVar}, "Bs candidate selection per pT bin"};
Expand Down Expand Up @@ -310,7 +312,6 @@ struct HfTaskBsToJpsiPhiReduced {
registry.add("hMass", bSCandTitle + "inv. mass J/#Psi K^{+} (GeV/#it{c}^{2});" + stringPt, {HistType::kTH2F, {axisMassBs, axisPtB}});
registry.add("hMassJpsi", bSCandTitle + "inv. mass #mu^{+}#mu^{#minus} (GeV/#it{c}^{2});" + stringPt, {HistType::kTH2F, {axisMassJpsi, axisPtJpsi}});
registry.add("hMassPhi", bSCandTitle + "inv. mass K^{+}K^{#minus} (GeV/#it{c}^{2});" + stringPt, {HistType::kTH2F, {axisMassPhi, axisPtPhi}});
registry.add("hd0K", bSCandTitle + "Kaon DCAxy to prim. vertex (cm);" + stringPt, {HistType::kTH2F, {axisImpactPar, axisPtKa}});

// histograms processMC
if (doprocessMc || doprocessMcWithBsMl) {
Expand All @@ -321,11 +322,9 @@ struct HfTaskBsToJpsiPhiReduced {
registry.add("hMassRecSig", bSCandMatch + "inv. mass J/#Psi K^{+} (GeV/#it{c}^{2}); B_{s}^{0} " + stringPt, {HistType::kTH2F, {axisMassBs, axisPtB}});
registry.add("hMassJpsiRecSig", bSCandMatch + "inv. mass #mu^{+}#mu^{#minus} (GeV/#it{c}^{2}); J/#Psi " + stringPt, {HistType::kTH2F, {axisMassJpsi, axisPtJpsi}});
registry.add("hMassPhiRecSig", bSCandMatch + "inv. mass K^{+}K^{#minus} (GeV/#it{c}^{2}); #phi " + stringPt, {HistType::kTH2F, {axisMassPhi, axisPtPhi}});
registry.add("hd0KRecSig", bSCandMatch + "Kaon DCAxy to prim. vertex (cm); K^{+} " + stringPt, {HistType::kTH2F, {axisImpactPar, axisPtKa}});
registry.add("hMassRecBg", bSCandUnmatch + "inv. mass J/#Psi K^{+} (GeV/#it{c}^{2}); B_{s}^{0} " + stringPt, {HistType::kTH2F, {axisMassBs, axisPtB}});
registry.add("hMassJpsiRecBg", bSCandUnmatch + "inv. mass #mu^{+}#mu^{#minus} (GeV/#it{c}^{2}); J/#Psi " + stringPt, {HistType::kTH2F, {axisMassJpsi, axisPtJpsi}});
registry.add("hMassPhiRecBg", bSCandMatch + "inv. mass K^{+}K^{#minus} (GeV/#it{c}^{2}); #phi " + stringPt, {HistType::kTH2F, {axisMassPhi, axisPtPhi}});
registry.add("hd0KRecBg", bSCandMatch + "Kaon DCAxy to prim. vertex (cm); K^{+} " + stringPt, {HistType::kTH2F, {axisImpactPar, axisPtKa}});
}

if (doprocessDataWithBsMl || doprocessMcWithBsMl) {
Expand Down Expand Up @@ -371,14 +370,17 @@ struct HfTaskBsToJpsiPhiReduced {
aod::HfRedBach1Tracks const&)
{
auto ptCandBs = candidate.pt();
auto invMassBs = HfHelper::invMassBsToJpsiPhi(candidate);
auto invMassBs = HfHelper::invMassBsToJpsiPhi(candidate, useJpsiPdgMass, usePhiPdgMass);
auto candJpsi = candidate.template jpsi_as<aod::HfRedJpsis>();
auto candKa0 = candidate.template prong0Phi_as<aod::HfRedBach0Tracks>();
auto candKa1 = candidate.template prong1Phi_as<aod::HfRedBach1Tracks>();
std::array<float, 3> const pVecKa0 = {candKa0.px(), candKa0.py(), candKa0.pz()};
std::array<float, 3> const pVecKa1 = {candKa1.px(), candKa1.py(), candKa1.pz()};
auto ptJpsi = candidate.ptProng0();
auto invMassJpsi = candJpsi.m();
auto const pVecMu0 = candidate.pVectorProng0();
auto const pVecMu1 = candidate.pVectorProng1();
auto const pVecKa0 = candidate.pVectorProng2();
auto const pVecKa1 = candidate.pVectorProng3();
auto ptJpsi = RecoDecay::pt(pVecMu0, pVecMu1);
auto ptPhi = RecoDecay::pt(pVecKa0, pVecKa1);
auto invMassJpsi = RecoDecay::m(std::array{pVecMu0, pVecMu1}, std::array{o2::constants::physics::MassMuonPlus, o2::constants::physics::MassMuonMinus});
auto invMassPhi = RecoDecay::m(std::array{pVecKa0, pVecKa1}, std::array{o2::constants::physics::MassKPlus, o2::constants::physics::MassKPlus});
uint8_t statusBs = 0;

Expand All @@ -393,7 +395,7 @@ struct HfTaskBsToJpsiPhiReduced {
}

SETBIT(statusBs, SelectionStep::RecoSkims);
if (HfHelper::selectionBsToJpsiPhiTopol(candidate, candKa0, candKa1, cuts, binsPt)) {
if (HfHelper::selectionBsToJpsiPhiTopol(candidate, cuts, binsPt, useJpsiPdgMass, usePhiPdgMass)) {
SETBIT(statusBs, SelectionStep::RecoTopol);
} else if (selectionFlagBs >= BIT(SelectionStep::RecoTopol) * 2 - 1) {
return;
Expand Down Expand Up @@ -432,18 +434,15 @@ struct HfTaskBsToJpsiPhiReduced {
}

registry.fill(HIST("hMass"), invMassBs, ptCandBs);
registry.fill(HIST("hMassJpsi"), invMassJpsi, candidate.ptProng0());
registry.fill(HIST("hMassPhi"), invMassPhi, candidate.ptProng0());
registry.fill(HIST("hd0K"), candidate.impactParameter1(), candidate.ptProng1());
registry.fill(HIST("hMassJpsi"), invMassJpsi, ptJpsi);
registry.fill(HIST("hMassPhi"), invMassPhi, ptPhi);
if constexpr (DoMc) {
if (isSignal) {
registry.fill(HIST("hMassRecSig"), invMassBs, ptCandBs);
registry.fill(HIST("hMassJpsiRecSig"), invMassJpsi, candidate.ptProng0());
registry.fill(HIST("hd0KRecSig"), candidate.impactParameter1(), candidate.ptProng1());
registry.fill(HIST("hMassJpsiRecSig"), invMassJpsi, ptJpsi);
} else if (fillBackground) {
registry.fill(HIST("hMassRecBg"), invMassBs, ptCandBs);
registry.fill(HIST("hMassJpsiRecBg"), invMassJpsi, candidate.ptProng0());
registry.fill(HIST("hd0KRecBg"), candidate.impactParameter1(), candidate.ptProng1());
registry.fill(HIST("hMassJpsiRecBg"), invMassJpsi, ptJpsi);
}
}

Expand Down
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