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[PWGLF] Added histograms for FV0 Mult vs Flattenicity #9876

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njacazio merged 1 commit into from
Feb 11, 2025
Merged

[PWGLF] Added histograms for FV0 Mult vs Flattenicity #9876

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143 changes: 77 additions & 66 deletions PWGLF/Tasks/Strangeness/lambdak0sflattenicity.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -134,42 +134,42 @@ struct Lambdak0sflattenicity {
Configurable<bool> flattenicityforLossCorrRec{"flattenicityforLossCorrRec", true,
"Flattenicity from Rec Tracks are used for Signal and Event loss calculations"};
// Common Configurable parameters for V0 selection
Configurable<float> v0settingDcav0dau{"v0settingDcav0dau", 1,
"DCA V0 Daughters"};
Configurable<float> v0settingDcapostopv{"v0settingDcapostopv", 0.06,
"DCA Pos To PV"};
Configurable<float> v0settingDcanegtopv{"v0settingDcanegtopv", 0.06,
"DCA Neg To PV"};
Configurable<float> v0settingRapidity{"v0settingRapidity", 0.5,
"V0 rapidity cut"};
Configurable<float> v0setting_dcav0dau{"v0setting_dcav0dau", 1,
"DCA V0 Daughters"};
Configurable<float> v0setting_dcapostopv{"v0setting_dcapostopv", 0.06,
"DCA Pos To PV"};
Configurable<float> v0setting_dcanegtopv{"v0setting_dcanegtopv", 0.06,
"DCA Neg To PV"};
Configurable<float> v0setting_rapidity{"v0setting_rapidity", 0.5,
"V0 rapidity cut"};

// Configurable parameters for V0 selection for KOs
Configurable<double> v0settingCospaK0s{"v0settingCospaK0s", 0.97,
"V0 CosPA for K0s"};
Configurable<float> v0settingRadiusK0s{"v0settingRadiusK0s", 0.5,
"v0radius for K0s"};
Configurable<float> v0settingctauK0s{"v0settingctauK0s", 20,
"v0ctau for K0s"};
Configurable<float> v0settingMassRejectionK0s{"v0settingMassRejectionK0s", 0.005,
"Competing Mass Rejection cut for K0s"};
Configurable<double> v0setting_cospaK0s{"v0setting_cospaK0s", 0.97,
"V0 CosPA for K0s"};
Configurable<float> v0setting_radiusK0s{"v0setting_radiusK0s", 0.5,
"v0radius for K0s"};
Configurable<float> v0setting_ctauK0s{"v0setting_ctauK0s", 20,
"v0ctau for K0s"};
Configurable<float> v0setting_massrejectionK0s{"v0setting_massrejectionK0s", 0.005,
"Competing Mass Rejection cut for K0s"};

// Configurable parameters for V0 selection for Lambda
Configurable<double> v0settingCospaLambda{"v0settingCospaLambda", 0.995,
"V0 CosPA for Lambda"};
Configurable<float> v0settingRadiusLambda{"v0settingRadiusLambda", 0.5,
"v0radius for Lambda"};
Configurable<float> v0settingctauLambda{"v0settingctauLambda", 30,
"v0ctau for Lambda"};
Configurable<float> v0settingMassRejectionLambda{"v0settingMassRejectionLambda", 0.01,
"Competing Mass Rejection cut for Lambda"};
Configurable<double> v0setting_cospaLambda{"v0setting_cospaLambda", 0.995,
"V0 CosPA for Lambda"};
Configurable<float> v0setting_radiusLambda{"v0setting_radiusLambda", 0.5,
"v0radius for Lambda"};
Configurable<float> v0setting_ctauLambda{"v0setting_ctauLambda", 30,
"v0ctau for Lambda"};
Configurable<float> v0setting_massrejectionLambda{"v0setting_massrejectionLambda", 0.01,
"Competing Mass Rejection cut for Lambda"};

// Configurable parameters for PID selection
Configurable<float> nSigmaTPCPion{"nSigmaTPCPion", 5, "nSigmaTPCPion"};
Configurable<float> nSigmaTPCProton{"nSigmaTPCProton", 5, "nSigmaTPCProton"};

// Configurable<float> v0daughter_etacut{"V0DaughterEtaCut", 0.8,
// "V0DaughterEtaCut"};
Configurable<float> v0etacut{"v0etacut", 0.8, "v0etacut"};
// Configurable<float> v0etacut{"v0etacut", 0.8, "v0etacut"};

// acceptance cuts for Flattenicity correlation
Configurable<float> cfgTrkEtaCut{"cfgTrkEtaCut", 0.8f,
Expand Down Expand Up @@ -270,6 +270,8 @@ struct Lambdak0sflattenicity {
rEventSelection.get<TH1>(HIST("hNEventsMCReco"))->GetXaxis()->SetBinLabel(2, "pass ev sel");
rEventSelection.get<TH1>(HIST("hNEventsMCReco"))->GetXaxis()->SetBinLabel(3, "INELgt0");
rEventSelection.get<TH1>(HIST("hNEventsMCReco"))->GetXaxis()->SetBinLabel(4, "check");
rEventSelection.add("hTrueFV0amplvsFlat", "TrueFV0MvsFlat", HistType::kTH2D,
{{500, -0.5, +499.5, "True Nch in FV0 region"}, flatAxis});
}
// K0s reconstruction
// Mass
Expand Down Expand Up @@ -427,6 +429,8 @@ struct Lambdak0sflattenicity {
{{50000, -0.5, 199999.5, "FT0C amplitudes"}});
rFlattenicity.add("hFT0A", "FT0A", HistType::kTH1D,
{{2000, -0.5, 1999.5, "FT0A amplitudes"}});
rFlattenicity.add("hFV0amplvsFlat", "FV0MvsFlat", HistType::kTH2D,
{{4000, -0.5, +49999.5, "FV0 amplitude"}, flatAxis});

// estimators
for (int iEe = 0; iEe < 8; ++iEe) {
Expand Down Expand Up @@ -503,12 +507,12 @@ struct Lambdak0sflattenicity {
"Both Data and MC set to false; try again with only one of "
"them set to false");
}
if ((doprocessRecMC && !doprocessGenMC) ||
(!doprocessRecMC && doprocessGenMC)) {
LOGF(fatal,
"MCRec and MCGen are set to opposite switches, try again "
"with both set to either true or false");
}
// if ((doprocessRecMC && !doprocessGenMC) ||
// (!doprocessRecMC && doprocessGenMC)) {
// LOGF(fatal,
// "MCRec and MCGen are set to opposite switches, try again "
// "with both set to either true or false");
// }
}

int getT0ASector(int iCh)
Expand Down Expand Up @@ -1126,6 +1130,8 @@ struct Lambdak0sflattenicity {
}
}
float finalflattenicity = estimator[2];
rFlattenicity.fill(HIST("hFV0amplvsFlat"), sumAmpFV0, estimator[2]);

if (flattenicityforanalysis == 1) {
finalflattenicity = estimator[4];
}
Expand All @@ -1142,6 +1148,8 @@ struct Lambdak0sflattenicity {
float flattenicity = -1;
float etamin, etamax, minphi, maxphi, dphi;
int isegment = 0, nsectors;
int multFV0 = 0;

for (const auto& mcParticle : mcParticles) {
if (!(mcParticle.isPhysicalPrimary() && mcParticle.pt() > 0)) {
continue;
Expand All @@ -1155,6 +1163,7 @@ struct Lambdak0sflattenicity {
float etap = mcParticle.eta();
float phip = mcParticle.phi();
isegment = 0;

for (int ieta = 0; ieta < 5; ieta++) {
etamax = kMaxEtaFV0 - ieta * kDetaFV0;
if (ieta == 0) {
Expand All @@ -1174,6 +1183,7 @@ struct Lambdak0sflattenicity {
dphi = std::abs(maxphi - minphi);
if (etap >= etamin && etap < etamax && phip >= minphi && phip < maxphi) {
rhoLatticeFV0AMC[isegment] += 1.0 / std::abs(dphi * kDetaFV0);
multFV0++;
}
isegment++;
}
Expand All @@ -1182,16 +1192,17 @@ struct Lambdak0sflattenicity {

flattenicity =
1.0 - getFlatenicity({rhoLatticeFV0AMC.data(), rhoLatticeFV0AMC.size()});
rEventSelection.fill(HIST("hTrueFV0amplvsFlat"), multFV0, estimator[2]);
return flattenicity;
}
// ====================== Flattenicity estimation ends =====================

// Filters on V0s
// Cannot filter on dynamic columns, so we cut on DCA to PV and DCA between
// daughters only
Filter preFilterV0 = (nabs(aod::v0data::dcapostopv) > v0settingDcapostopv &&
nabs(aod::v0data::dcanegtopv) > v0settingDcanegtopv &&
aod::v0data::dcaV0daughters < v0settingDcav0dau);
Filter preFilterV0 = (nabs(aod::v0data::dcapostopv) > v0setting_dcapostopv &&
nabs(aod::v0data::dcanegtopv) > v0setting_dcanegtopv &&
aod::v0data::dcaV0daughters < v0setting_dcav0dau);

Filter trackFilter =
(nabs(aod::track::eta) < cfgTrkEtaCut && aod::track::pt > cfgTrkLowPtCut);
Expand Down Expand Up @@ -1255,15 +1266,15 @@ struct Lambdak0sflattenicity {

// Cut on dynamic columns for K0s

if (v0.v0cosPA() >= v0settingCospaK0s &&
v0.v0radius() >= v0settingRadiusK0s &&
if (v0.v0cosPA() >= v0setting_cospaK0s &&
v0.v0radius() >= v0setting_radiusK0s &&
std::abs(posDaughterTrack.tpcNSigmaPi()) <= nSigmaTPCPion &&
std::abs(negDaughterTrack.tpcNSigmaPi()) <= nSigmaTPCPion &&
ctauK0s < v0settingctauK0s &&
std::abs(v0.rapidity(0)) <= v0settingRapidity &&
std::abs(massLambda - pdgmassLambda) > v0settingMassRejectionK0s &&
ctauK0s < v0setting_ctauK0s &&
std::abs(v0.rapidity(0)) <= v0setting_rapidity &&
std::abs(massLambda - pdgmassLambda) > v0setting_massrejectionK0s &&
std::abs(massAntiLambda - pdgmassLambda) >
v0settingMassRejectionK0s) {
v0setting_massrejectionK0s) {

rKzeroShort.fill(HIST("hMassK0sSelected"), massK0s);
rKzeroShort.fill(HIST("hDCAV0DaughtersK0s"), v0.dcaV0daughters());
Expand All @@ -1286,13 +1297,13 @@ struct Lambdak0sflattenicity {
}

// Cut on dynamic columns for Lambda
if (v0.v0cosPA() >= v0settingCospaLambda &&
v0.v0radius() >= v0settingRadiusLambda &&
if (v0.v0cosPA() >= v0setting_cospaLambda &&
v0.v0radius() >= v0setting_radiusLambda &&
std::abs(posDaughterTrack.tpcNSigmaPr()) <= nSigmaTPCProton &&
std::abs(negDaughterTrack.tpcNSigmaPi()) <= nSigmaTPCPion &&
ctauLambda < v0settingctauLambda &&
std::abs(v0.rapidity(1)) <= v0settingRapidity &&
std::abs(massK0s - pdgmassK0s) > v0settingMassRejectionLambda) {
ctauLambda < v0setting_ctauLambda &&
std::abs(v0.rapidity(1)) <= v0setting_rapidity &&
std::abs(massK0s - pdgmassK0s) > v0setting_massrejectionLambda) {

rLambda.fill(HIST("hMassLambdaSelected"), massLambda);
rLambda.fill(HIST("hDCAV0DaughtersLambda"), v0.dcaV0daughters());
Expand All @@ -1315,13 +1326,13 @@ struct Lambdak0sflattenicity {
}

// Cut on dynamic columns for AntiLambda
if (v0.v0cosPA() >= v0settingCospaLambda &&
v0.v0radius() >= v0settingRadiusLambda &&
if (v0.v0cosPA() >= v0setting_cospaLambda &&
v0.v0radius() >= v0setting_radiusLambda &&
std::abs(posDaughterTrack.tpcNSigmaPi()) <= nSigmaTPCPion &&
std::abs(negDaughterTrack.tpcNSigmaPr()) <= nSigmaTPCProton &&
ctauAntiLambda < v0settingctauLambda &&
std::abs(v0.rapidity(2)) <= v0settingRapidity &&
std::abs(massK0s - pdgmassK0s) > v0settingMassRejectionLambda) {
ctauAntiLambda < v0setting_ctauLambda &&
std::abs(v0.rapidity(2)) <= v0setting_rapidity &&
std::abs(massK0s - pdgmassK0s) > v0setting_massrejectionLambda) {

rAntiLambda.fill(HIST("hMassAntiLambdaSelected"), massAntiLambda);
rAntiLambda.fill(HIST("hDCAV0DaughtersAntiLambda"),
Expand Down Expand Up @@ -1421,15 +1432,15 @@ struct Lambdak0sflattenicity {
auto v0mcParticle = v0.mcParticle();
// Cut on dynamic columns for K0s

if (v0mcParticle.pdgCode() == 310 && v0.v0cosPA() >= v0settingCospaK0s &&
v0.v0radius() >= v0settingRadiusK0s &&
if (v0mcParticle.pdgCode() == 310 && v0.v0cosPA() >= v0setting_cospaK0s &&
v0.v0radius() >= v0setting_radiusK0s &&
std::abs(posDaughterTrack.tpcNSigmaPi()) <= nSigmaTPCPion &&
std::abs(negDaughterTrack.tpcNSigmaPi()) <= nSigmaTPCPion &&
ctauK0s < v0settingctauK0s &&
std::abs(v0.rapidity(0)) <= v0settingRapidity &&
std::abs(massLambda - pdgmassLambda) > v0settingMassRejectionK0s &&
ctauK0s < v0setting_ctauK0s &&
std::abs(v0.rapidity(0)) <= v0setting_rapidity &&
std::abs(massLambda - pdgmassLambda) > v0setting_massrejectionK0s &&
std::abs(massAntiLambda - pdgmassLambda) >
v0settingMassRejectionK0s) {
v0setting_massrejectionK0s) {

rKzeroShort.fill(HIST("hMassK0sSelected"), massK0s);
rKzeroShort.fill(HIST("hDCAV0DaughtersK0s"), v0.dcaV0daughters());
Expand All @@ -1453,13 +1464,13 @@ struct Lambdak0sflattenicity {

// Cut on dynamic columns for Lambda
if (v0mcParticle.pdgCode() == 3122 &&
v0.v0cosPA() >= v0settingCospaLambda &&
v0.v0radius() >= v0settingRadiusLambda &&
v0.v0cosPA() >= v0setting_cospaLambda &&
v0.v0radius() >= v0setting_radiusLambda &&
std::abs(posDaughterTrack.tpcNSigmaPr()) <= nSigmaTPCProton &&
std::abs(negDaughterTrack.tpcNSigmaPi()) <= nSigmaTPCPion &&
ctauLambda < v0settingctauLambda &&
std::abs(v0.rapidity(1)) <= v0settingRapidity &&
std::abs(massK0s - pdgmassK0s) > v0settingMassRejectionLambda) {
ctauLambda < v0setting_ctauLambda &&
std::abs(v0.rapidity(1)) <= v0setting_rapidity &&
std::abs(massK0s - pdgmassK0s) > v0setting_massrejectionLambda) {

rLambda.fill(HIST("hMassLambdaSelected"), massLambda);
rLambda.fill(HIST("hDCAV0DaughtersLambda"), v0.dcaV0daughters());
Expand All @@ -1483,13 +1494,13 @@ struct Lambdak0sflattenicity {

// Cut on dynamic columns for AntiLambda
if (v0mcParticle.pdgCode() == -3122 &&
v0.v0cosPA() >= v0settingCospaLambda &&
v0.v0radius() >= v0settingRadiusLambda &&
v0.v0cosPA() >= v0setting_cospaLambda &&
v0.v0radius() >= v0setting_radiusLambda &&
std::abs(posDaughterTrack.tpcNSigmaPi()) <= nSigmaTPCPion &&
std::abs(negDaughterTrack.tpcNSigmaPr()) <= nSigmaTPCProton &&
ctauAntiLambda < v0settingctauLambda &&
std::abs(v0.rapidity(2)) <= v0settingRapidity &&
std::abs(massK0s - pdgmassK0s) > v0settingMassRejectionLambda) {
ctauAntiLambda < v0setting_ctauLambda &&
std::abs(v0.rapidity(2)) <= v0setting_rapidity &&
std::abs(massK0s - pdgmassK0s) > v0setting_massrejectionLambda) {

rAntiLambda.fill(HIST("hMassAntiLambdaSelected"), massAntiLambda);
rAntiLambda.fill(HIST("hDCAV0DaughtersAntiLambda"),
Expand Down