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Merged
skundu692 merged 17 commits into from
Apr 30, 2025
Merged

[PWGLF] Add wrong sign background #11035

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8281156
Add new variable in THnSparse
skundu692 Apr 14, 2025
d702f82
Merge branch 'master' of https://github.com/AliceO2Group/O2Physics in…
skundu692 Apr 17, 2025
3faf128
Add deep angle information
skundu692 Apr 17, 2025
88b072c
Merge branch 'master' of https://github.com/AliceO2Group/O2Physics in…
skundu692 Apr 22, 2025
1fc5843
Optimized PID selection
skundu692 Apr 22, 2025
e59b85f
Add delta mass variable
skundu692 Apr 22, 2025
d62372a
Merge branch 'master' of https://github.com/AliceO2Group/O2Physics in…
skundu692 Apr 23, 2025
d114165
Fix bug related to daughter index
skundu692 Apr 23, 2025
64dbb89
Merge branch 'master' of https://github.com/AliceO2Group/O2Physics in…
skundu692 Apr 24, 2025
c29d245
Add strangeness helper in filter and fix daughter index check
skundu692 Apr 24, 2025
c07f7a2
Merge branch 'master' of https://github.com/AliceO2Group/O2Physics in…
skundu692 Apr 28, 2025
c6da28f
Fix indexing issue of BC
skundu692 Apr 28, 2025
84894ae
Remove unuse variable
skundu692 Apr 28, 2025
9730f54
Merge branch 'master' of https://github.com/AliceO2Group/O2Physics in…
skundu692 Apr 29, 2025
cfa3e43
Add new process function to optimize double phi selection
skundu692 Apr 29, 2025
70da5e8
Merge branch 'master' of https://github.com/AliceO2Group/O2Physics in…
skundu692 Apr 30, 2025
da13db5
Add wrong sign background
skundu692 Apr 30, 2025
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79 changes: 56 additions & 23 deletions PWGLF/Tasks/Resonances/doublephimeson.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,7 @@
#include <Math/Vector3D.h>
#include <TMath.h>
#include <fairlogger/Logger.h>
#include <iostream>

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[include-iostream] 

Do not include iostream. Use O2 logging instead.
#include <iterator>
#include <string>
#include <vector>
Expand Down Expand Up @@ -89,6 +89,7 @@
const AxisSpec thnAxisNumPhi{configThnAxisNumPhi, "Number of phi meson"};

histos.add("SEMassUnlike", "SEMassUnlike", HistType::kTHnSparseF, {thnAxisInvMass, thnAxisPt, thnAxisDeltaR, thnAxisCosTheta, thnAxisInvMassDeltaPhi, thnAxisNumPhi});
histos.add("SEMassLike", "SEMassLike", HistType::kTHnSparseF, {thnAxisInvMass, thnAxisPt, thnAxisDeltaR, thnAxisCosTheta, thnAxisInvMassDeltaPhi, thnAxisNumPhi});
histos.add("MEMassUnlike", "MEMassUnlike", HistType::kTHnSparseF, {thnAxisInvMass, thnAxisPt, thnAxisDeltaR, thnAxisCosTheta, thnAxisInvMassDeltaPhi});
}

Expand Down Expand Up @@ -125,7 +126,7 @@
pz2 = candidate2.Pz();
p1 = candidate1.P();
p2 = candidate2.P();
angle = TMath::ACos((pt1 * pt2 + pz1 * pz2) / (p1 * p2));

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[root/entity] 

Replace ROOT entities with equivalents from standard C++ or from O2.
return angle;
}

Expand All @@ -139,7 +140,7 @@
pz2 = candidate2.Pz();
p1 = candidate1.P();
p2 = candidate2.P();
angle = TMath::ACos((pt1 * pt2 + pz1 * pz2) / (p1 * p2));

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[root/entity] 

Replace ROOT entities with equivalents from standard C++ or from O2.
return angle;
}

Expand All @@ -157,7 +158,7 @@
const ROOT::Math::Boost boostPRF = ROOT::Math::Boost(-betax, -betay, -betaz);
daughterCMS = boostPRF(daughter);
threeVecDauCM = daughterCMS.Vect();
float cosThetaStar = TMath::Abs(threeVecDauCM.Dot(threeVecMother) / std::sqrt(threeVecMother.Mag2()) / std::sqrt(threeVecDauCM.Mag2()));

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[root/entity] 

Replace ROOT entities with equivalents from standard C++ or from O2.
return cosThetaStar;
}

Expand Down Expand Up @@ -194,7 +195,7 @@
}
}
if (TOFHit == 1) {
if (TMath::Sqrt((nsigmaTPC * nsigmaTPC + nsigmaTOF * nsigmaTOF) / 2.0) < cutNsigmaTOF) {

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[root/entity] 

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return true;
}
}
Expand All @@ -208,7 +209,7 @@
}
if (ptcand >= 0.5) {
if (TOFHit == 1) {
if (nsigmaTPC > cutMinNsigmaTPC && nsigmaTPC < cutNsigmaTPC && TMath::Abs(nsigmaTOF) < cutNsigmaTOF) {

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[root/entity] 

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return true;
}
}
Expand Down Expand Up @@ -245,7 +246,7 @@
}
}
if (TOFHit == 1) {
if (TMath::Sqrt((nsigmaTPC * nsigmaTPC + nsigmaTOF * nsigmaTOF) / 2.0) < cutNsigmaTOF) {

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[root/entity] 

Replace ROOT entities with equivalents from standard C++ or from O2.
return true;
}
}
Expand All @@ -264,7 +265,7 @@
}
}
if (TOFHit == 1) {
if (TMath::Sqrt((nsigmaTPC * nsigmaTPC + nsigmaTOF * nsigmaTOF) / 2.0) < cutNsigmaTOF) {

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[root/entity] 

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return true;
}
}
Expand All @@ -274,9 +275,10 @@
}

TLorentzVector exotic, Phid1, Phid2;
TLorentzVector exoticlike, Phi1kaonplus, Phi1kaonminus, Phi2kaonplus, Phi2kaonminus, Phid1like, Phid2like;
// TLorentzVector exoticRot, Phid1Rot;

void process(aod::RedPhiEvents::iterator const& collision, aod::PhiTracks const& phitracks)
void processSE(aod::RedPhiEvents::iterator const& collision, aod::PhiTracks const& phitracks)
{
if (additionalEvsel && (collision.numPos() < 2 || collision.numNeg() < 2)) {
return;
Expand All @@ -286,8 +288,8 @@
if (phitrackd1.phiMass() < minPhiMass || phitrackd1.phiMass() > maxPhiMass) {
continue;
}
auto kaonplusd1pt = TMath::Sqrt(phitrackd1.phid1Px() * phitrackd1.phid1Px() + phitrackd1.phid1Py() * phitrackd1.phid1Py());

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[root/entity] 

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auto kaonminusd1pt = TMath::Sqrt(phitrackd1.phid2Px() * phitrackd1.phid2Px() + phitrackd1.phid2Py() * phitrackd1.phid2Py());

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if (kaonplusd1pt > maxKaonPt) {
continue;
}
Expand All @@ -303,9 +305,6 @@
phimult = phimult + 1;
}
for (auto phitrackd1 : phitracks) {
if (phitrackd1.phiMass() < minPhiMass || phitrackd1.phiMass() > maxPhiMass) {
continue;
}
auto kaonplusd1pt = TMath::Sqrt(phitrackd1.phid1Px() * phitrackd1.phid1Px() + phitrackd1.phid1Py() * phitrackd1.phid1Py());
auto kaonminusd1pt = TMath::Sqrt(phitrackd1.phid2Px() * phitrackd1.phid2Px() + phitrackd1.phid2Py() * phitrackd1.phid2Py());
if (kaonplusd1pt > maxKaonPt) {
Expand All @@ -326,14 +325,13 @@
histos.fill(HIST("hPhiMass"), Phid1.M(), Phid1.Pt());
auto phid1id = phitrackd1.index();
Phid1.SetXYZM(phitrackd1.phiPx(), phitrackd1.phiPy(), phitrackd1.phiPz(), phitrackd1.phiMass());
Phi1kaonplus.SetXYZM(phitrackd1.phid1Px(), phitrackd1.phid1Py(), phitrackd1.phid1Pz(), 0.493);
Phi1kaonminus.SetXYZM(phitrackd1.phid2Px(), phitrackd1.phid2Py(), phitrackd1.phid2Pz(), 0.493);
for (auto phitrackd2 : phitracks) {
auto phid2id = phitrackd2.index();
if (phid2id <= phid1id) {
continue;
}
if (phitrackd2.phiMass() < minPhiMass || phitrackd2.phiMass() > maxPhiMass) {
continue;
}
auto kaonplusd2pt = TMath::Sqrt(phitrackd2.phid1Px() * phitrackd2.phid1Px() + phitrackd2.phid1Py() * phitrackd2.phid1Py());
auto kaonminusd2pt = TMath::Sqrt(phitrackd2.phid2Px() * phitrackd2.phid2Px() + phitrackd2.phid2Py() * phitrackd2.phid2Py());
if (kaonplusd2pt > maxKaonPt) {
Expand All @@ -348,19 +346,37 @@
if (!selectionPID(phitrackd2.phid2TPC(), phitrackd2.phid2TOF(), phitrackd2.phid2TOFHit(), strategyPID2, kaonminusd2pt)) {
continue;
}
// if (phitrackd1.phid1Index() == phitrackd2.phid1Index()) {
// continue;
// }
// if (phitrackd1.phid2Index() == phitrackd2.phid2Index()) {
// continue;
// }
if (phitrackd1.phid1Index() == phitrackd2.phid1Index()) {
continue;
}
if (phitrackd1.phid2Index() == phitrackd2.phid2Index()) {
continue;
}
Phid2.SetXYZM(phitrackd2.phiPx(), phitrackd2.phiPy(), phitrackd2.phiPz(), phitrackd2.phiMass());
Phi2kaonplus.SetXYZM(phitrackd2.phid1Px(), phitrackd2.phid1Py(), phitrackd2.phid1Pz(), 0.493);
Phi2kaonminus.SetXYZM(phitrackd2.phid2Px(), phitrackd2.phid2Py(), phitrackd2.phid2Pz(), 0.493);

// Like
Phid1like = Phi1kaonplus + Phi2kaonplus;
Phid2like = Phi1kaonminus + Phi2kaonminus;
exoticlike = Phid1like + Phid2like;
auto deltaRlike = TMath::Sqrt(TMath::Power(Phid1like.Phi() - Phid2like.Phi(), 2.0) + TMath::Power(Phid1like.Eta() - Phid2like.Eta(), 2.0));
auto costhetalike = (Phid1like.Px() * Phid2like.Px() + Phid1like.Py() * Phid2like.Py() + Phid1like.Pz() * Phid2like.Pz()) / (Phid1like.P() * Phid2like.P());
auto deltamlike = TMath::Sqrt(TMath::Power(Phid1like.M() - 1.0192, 2.0) + TMath::Power(Phid2like.M() - 1.0192, 2.0));
if (!isDeep) {
histos.fill(HIST("SEMassLike"), exoticlike.M(), exoticlike.Pt(), deltaRlike, costhetalike, deltamlike, phimult);
}
if (isDeep) {
histos.fill(HIST("SEMassLike"), exoticlike.M(), exoticlike.Pt(), deltaRlike, deepangle(Phid1like, Phid2like), deltamlike, phimult);
}

// Unlike
if (phitrackd2.phiMass() < minPhiMass || phitrackd2.phiMass() > maxPhiMass) {
continue;
}
if (phitrackd1.phiMass() < minPhiMass || phitrackd1.phiMass() > maxPhiMass) {
continue;
}
exotic = Phid1 + Phid2;
if (exotic.M() < minExoticMass || exotic.M() > maxExoticMass) {
continue;
Expand All @@ -380,7 +396,7 @@
}
}
}

PROCESS_SWITCH(doublephimeson, processSE, "Process Same Event", false);
void processopti(aod::RedPhiEvents::iterator const& collision, aod::PhiTracks const& phitracks)
{
std::vector<ROOT::Math::PtEtaPhiMVector> exoticresonance, phiresonanced1, phiresonanced2;
Expand Down Expand Up @@ -414,9 +430,6 @@
phimult = phimult + 1;
}
for (auto phitrackd1 : phitracks) {
if (phitrackd1.phiMass() < minPhiMass || phitrackd1.phiMass() > maxPhiMass) {
continue;
}
auto kaonplusd1pt = TMath::Sqrt(phitrackd1.phid1Px() * phitrackd1.phid1Px() + phitrackd1.phid1Py() * phitrackd1.phid1Py());
auto kaonminusd1pt = TMath::Sqrt(phitrackd1.phid2Px() * phitrackd1.phid2Px() + phitrackd1.phid2Py() * phitrackd1.phid2Py());
if (kaonplusd1pt > maxKaonPt) {
Expand All @@ -437,14 +450,13 @@
histos.fill(HIST("hPhiMass"), Phid1.M(), Phid1.Pt());
auto phid1id = phitrackd1.index();
Phid1.SetXYZM(phitrackd1.phiPx(), phitrackd1.phiPy(), phitrackd1.phiPz(), phitrackd1.phiMass());
Phi1kaonplus.SetXYZM(phitrackd1.phid1Px(), phitrackd1.phid1Py(), phitrackd1.phid1Pz(), 0.493);
Phi1kaonminus.SetXYZM(phitrackd1.phid2Px(), phitrackd1.phid2Py(), phitrackd1.phid2Pz(), 0.493);
for (auto phitrackd2 : phitracks) {
auto phid2id = phitrackd2.index();
if (phid2id <= phid1id) {
continue;
}
if (phitrackd2.phiMass() < minPhiMass || phitrackd2.phiMass() > maxPhiMass) {
continue;
}
auto kaonplusd2pt = TMath::Sqrt(phitrackd2.phid1Px() * phitrackd2.phid1Px() + phitrackd2.phid1Py() * phitrackd2.phid1Py());
auto kaonminusd2pt = TMath::Sqrt(phitrackd2.phid2Px() * phitrackd2.phid2Px() + phitrackd2.phid2Py() * phitrackd2.phid2Py());
if (kaonplusd2pt > maxKaonPt) {
Expand All @@ -462,14 +474,35 @@
if ((phitrackd1.phid1Index() == phitrackd2.phid1Index()) || (phitrackd1.phid2Index() == phitrackd2.phid2Index())) {
continue;
}

Phid2.SetXYZM(phitrackd2.phiPx(), phitrackd2.phiPy(), phitrackd2.phiPz(), phitrackd2.phiMass());
exotic = Phid1 + Phid2;
Phi2kaonplus.SetXYZM(phitrackd2.phid1Px(), phitrackd2.phid1Py(), phitrackd2.phid1Pz(), 0.493);
Phi2kaonminus.SetXYZM(phitrackd2.phid2Px(), phitrackd2.phid2Py(), phitrackd2.phid2Pz(), 0.493);

// Like
Phid1like = Phi1kaonplus + Phi2kaonplus;
Phid2like = Phi1kaonminus + Phi2kaonminus;
exoticlike = Phid1like + Phid2like;
auto deltaRlike = TMath::Sqrt(TMath::Power(Phid1like.Phi() - Phid2like.Phi(), 2.0) + TMath::Power(Phid1like.Eta() - Phid2like.Eta(), 2.0));
auto costhetalike = (Phid1like.Px() * Phid2like.Px() + Phid1like.Py() * Phid2like.Py() + Phid1like.Pz() * Phid2like.Pz()) / (Phid1like.P() * Phid2like.P());
auto deltamlike = TMath::Sqrt(TMath::Power(Phid1like.M() - 1.0192, 2.0) + TMath::Power(Phid2like.M() - 1.0192, 2.0));
if (!isDeep) {
histos.fill(HIST("SEMassLike"), exoticlike.M(), exoticlike.Pt(), deltaRlike, costhetalike, deltamlike, phimult);
}
if (isDeep) {
histos.fill(HIST("SEMassLike"), exoticlike.M(), exoticlike.Pt(), deltaRlike, deepangle(Phid1like, Phid2like), deltamlike, phimult);
}

// unlike
if (phitrackd1.phiMass() < minPhiMass || phitrackd1.phiMass() > maxPhiMass) {
continue;
}
if (phitrackd2.phiMass() < minPhiMass || phitrackd2.phiMass() > maxPhiMass) {
continue;
}
exotic = Phid1 + Phid2;
if (exotic.M() < minExoticMass || exotic.M() > maxExoticMass) {
continue;
}

ROOT::Math::PtEtaPhiMVector temp1(exotic.Pt(), exotic.Eta(), exotic.Phi(), exotic.M());
ROOT::Math::PtEtaPhiMVector temp2(Phid1.Pt(), Phid1.Eta(), Phid1.Phi(), Phid1.M());
ROOT::Math::PtEtaPhiMVector temp3(Phid2.Pt(), Phid2.Eta(), Phid2.Phi(), Phid2.M());
Expand Down
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