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[PWGLF] additional event selection to produce double phi table and ad…
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…d angular distance between phi pairs in analysis task (AliceO2Group#9134)
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@skundu692
skundu692 authored Dec 26, 2024
1 parent b8923b6 commit cd0470e
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Showing 2 changed files with 39 additions and 37 deletions.
13 changes: 9 additions & 4 deletions PWGLF/TableProducer/Resonances/doublephitable.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,8 @@ struct doublephitable {

// events
Configurable<float> cfgCutVertex{"cfgCutVertex", 10.0f, "Accepted z-vertex range"};
Configurable<float> cfgCutCentralityMax{"cfgCutCentralityMax", 0.0f, "Accepted maximum Centrality"};
Configurable<float> cfgCutCentralityMin{"cfgCutCentralityMin", 100.0f, "Accepted minimum Centrality"};
// track
Configurable<bool> useGlobalTrack{"useGlobalTrack", true, "use Global track"};
Configurable<float> cfgCutTOFBeta{"cfgCutTOFBeta", 0.0, "cut TOF beta"};
Expand All @@ -74,13 +76,16 @@ struct doublephitable {
Configurable<double> cfgDeepAngle{"cfgDeepAngle", 0.04, "Deep Angle cut value"};
ConfigurableAxis configThnAxisInvMass{"configThnAxisInvMass", {120, 0.98, 1.1}, "#it{M} (GeV/#it{c}^{2})"};
ConfigurableAxis configThnAxisPt{"configThnAxisPt", {100, 0.0, 10.}, "#it{p}_{T} (GeV/#it{c})"};
Configurable<float> minPhiMass{"minPhiMass", 1.01, "Minimum phi mass"};
Configurable<float> maxPhiMass{"maxPhiMass", 1.03, "Maximum phi mass"};

Filter collisionFilter = nabs(aod::collision::posZ) < cfgCutVertex;
Filter centralityFilter = (nabs(aod::cent::centFT0C) < cfgCutCentralityMax && nabs(aod::cent::centFT0C) > cfgCutCentralityMin);
Filter acceptanceFilter = (nabs(aod::track::eta) < cfgCutEta && nabs(aod::track::pt) > cfgCutPT);
Filter DCAcutFilter = (nabs(aod::track::dcaXY) < cfgCutDCAxy) && (nabs(aod::track::dcaZ) < cfgCutDCAz);
Filter PIDcutFilter = nabs(aod::pidtpc::tpcNSigmaKa) < nsigmaCutTPC;

using EventCandidates = soa::Filtered<soa::Join<aod::Collisions, aod::EvSels, aod::Mults>>;
using EventCandidates = soa::Filtered<soa::Join<aod::Collisions, aod::EvSels, aod::Mults, aod::CentFT0Cs>>;
using TrackCandidates = soa::Filtered<soa::Join<aod::Tracks, aod::TracksExtra, aod::TracksDCA, aod::TrackSelection, aod::pidTOFbeta, aod::pidTPCFullKa, aod::pidTOFFullKa>>;

SliceCache cache;
Expand Down Expand Up @@ -202,7 +207,7 @@ struct doublephitable {
KaonPlus = ROOT::Math::PxPyPzMVector(track1.px(), track1.py(), track1.pz(), massKa);
KaonMinus = ROOT::Math::PxPyPzMVector(track2.px(), track2.py(), track2.pz(), massKa);
PhiMesonMother = KaonPlus + KaonMinus;
if (PhiMesonMother.M() > 1.0 && PhiMesonMother.M() < 1.04) {
if (PhiMesonMother.M() > minPhiMass && PhiMesonMother.M() < maxPhiMass) {
numberPhi = numberPhi + 1;
ROOT::Math::PtEtaPhiMVector temp1(track1.pt(), track1.eta(), track1.phi(), massKa);
ROOT::Math::PtEtaPhiMVector temp2(track2.pt(), track2.eta(), track2.phi(), massKa);
Expand Down Expand Up @@ -241,11 +246,11 @@ struct doublephitable {
}
}
} // select collision
if (numberPhi >= 2) {
if (numberPhi > 1 && Npostrack > 1 && Nnegtrack > 1) {
keepEventDoublePhi = true;
}
qaRegistry.fill(HIST("hEventstat"), 0.5);
if (keepEventDoublePhi && numberPhi >= 2 && (phiresonance.size() == phiresonanced1.size()) && (phiresonance.size() == phiresonanced2.size())) {
if (keepEventDoublePhi && numberPhi > 1 && Npostrack > 1 && Nnegtrack > 1 && (phiresonance.size() == phiresonanced1.size()) && (phiresonance.size() == phiresonanced2.size())) {
qaRegistry.fill(HIST("hEventstat"), 1.5);
/////////// Fill collision table///////////////
redPhiEvents(bc.globalBC(), currentRunNumber, bc.timestamp(), collision.posZ(), collision.numContrib(), Npostrack, Nnegtrack);
Expand Down
63 changes: 30 additions & 33 deletions PWGLF/Tasks/Resonances/doublephimeson.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -56,7 +56,9 @@ struct doublephimeson {
ConfigurableAxis configThnAxisInvMass{"configThnAxisInvMass", {1500, 2.0, 3.5}, "#it{M} (GeV/#it{c}^{2})"};
ConfigurableAxis configThnAxisDaugherPt{"configThnAxisDaugherPt", {25, 0.0, 50.}, "#it{p}_{T} (GeV/#it{c})"};
ConfigurableAxis configThnAxisPt{"configThnAxisPt", {40, 0.0, 20.}, "#it{p}_{T} (GeV/#it{c})"};
ConfigurableAxis configThnAxisKstar{"configThnAxisKstar", {50, 0.0, 0.5}, "#it{k}^{*} (GeV/#it{c})"};
// ConfigurableAxis configThnAxisKstar{"configThnAxisKstar", {50, 0.0, 0.5}, "#it{k}^{*} (GeV/#it{c})"};
ConfigurableAxis configThnAxisDeltaR{"configThnAxisDeltaR", {200, 0.0, 2.0}, "#it{k}^{*} (GeV/#it{c})"};
ConfigurableAxis configThnAxisPhiMult{"configThnAxisPhiMult", {10, 0.5, 10.5}, "#Phi Multiplicity"};

// Initialize the ananlysis task
void init(o2::framework::InitContext&)
Expand All @@ -70,13 +72,13 @@ struct doublephimeson {
const AxisSpec thnAxisInvMass{configThnAxisInvMass, "#it{M} (GeV/#it{c}^{2})"};
const AxisSpec thnAxisDaughterPt{configThnAxisDaugherPt, "#it{p}_{T} (GeV/#it{c})"};
const AxisSpec thnAxisPt{configThnAxisPt, "#it{p}_{T} (GeV/#it{c})"};
const AxisSpec thnAxisKstar{configThnAxisKstar, "#it{k}^{*} (GeV/#it{c})"};
// const AxisSpec thnAxisKstar{configThnAxisKstar, "#it{k}^{*} (GeV/#it{c})"};
const AxisSpec thnAxisDeltaR{configThnAxisDeltaR, "#Delta R)"};
const AxisSpec thnAxisPhiMult{configThnAxisPhiMult, "#Phi Multiplicity)"};

histos.add("SEMassUnlike", "SEMassUnlike", HistType::kTHnSparseF, {thnAxisInvMass, thnAxisPt, thnAxisDaughterPt, thnAxisDaughterPt, thnAxisKstar});
histos.add("SEMassRot", "SEMassRot", HistType::kTHnSparseF, {thnAxisInvMass, thnAxisPt, thnAxisDaughterPt, thnAxisDaughterPt, thnAxisKstar});

histos.add("MEMassUnlike", "MEMassUnlike", HistType::kTHnSparseF, {thnAxisInvMass, thnAxisPt, thnAxisDaughterPt, thnAxisDaughterPt, thnAxisKstar});
histos.add("MEMassRot", "MEMassRot", HistType::kTHnSparseF, {thnAxisInvMass, thnAxisPt, thnAxisDaughterPt, thnAxisDaughterPt, thnAxisKstar});
histos.add("SEMassUnlike", "SEMassUnlike", HistType::kTHnSparseF, {thnAxisInvMass, thnAxisPt, thnAxisDaughterPt, thnAxisDaughterPt, thnAxisDeltaR, thnAxisPhiMult});
histos.add("SEMassRot", "SEMassRot", HistType::kTHnSparseF, {thnAxisInvMass, thnAxisPt, thnAxisDaughterPt, thnAxisDaughterPt, thnAxisDeltaR, thnAxisPhiMult});
histos.add("MEMassUnlike", "MEMassUnlike", HistType::kTHnSparseF, {thnAxisInvMass, thnAxisPt, thnAxisDaughterPt, thnAxisDaughterPt, thnAxisDeltaR, thnAxisPhiMult});
}

// get kstar
Expand Down Expand Up @@ -189,6 +191,7 @@ struct doublephimeson {
if (additionalEvsel && (collision.numPos() < 2 || collision.numNeg() < 2)) {
return;
}
auto phimult = phitracks.size();
for (auto phitrackd1 : phitracks) {
if (phitrackd1.phiMass() < minPhiMass || phitrackd1.phiMass() > maxPhiMass) {
continue;
Expand Down Expand Up @@ -234,10 +237,11 @@ struct doublephimeson {
}
Phid2.SetXYZM(phitrackd2.phiPx(), phitrackd2.phiPy(), phitrackd2.phiPz(), phitrackd2.phiMass());
exotic = Phid1 + Phid2;
auto kstar = getkstar(Phid1, Phid2);
histos.fill(HIST("SEMassUnlike"), exotic.M(), exotic.Pt(), Phid1.Pt(), Phid2.Pt(), kstar);
// auto kstar = getkstar(Phid1, Phid2);
auto deltaR = TMath::Sqrt(TMath::Power(Phid1.Phi() - Phid2.Phi(), 2.0) + TMath::Power(Phid1.Eta() - Phid2.Eta(), 2.0));
histos.fill(HIST("SEMassUnlike"), exotic.M(), exotic.Pt(), Phid1.Pt(), Phid2.Pt(), deltaR, phimult);
if (fillRotation) {
for (int nrotbkg = 0; nrotbkg < 9; nrotbkg++) {
for (int nrotbkg = 0; nrotbkg < 5; nrotbkg++) {
auto anglestart = 5.0 * TMath::Pi() / 6.0;
auto angleend = 7.0 * TMath::Pi() / 6.0;
auto anglestep = (angleend - anglestart) / (1.0 * (9.0 - 1.0));
Expand All @@ -246,8 +250,9 @@ struct doublephimeson {
auto rotd1py = Phid1.Px() * std::sin(rotangle) + Phid1.Py() * std::cos(rotangle);
Phid1Rot.SetXYZM(rotd1px, rotd1py, Phid1.Pz(), Phid1.M());
exoticRot = Phid1Rot + Phid2;
auto kstar_rot = getkstar(Phid1Rot, Phid2);
histos.fill(HIST("SEMassRot"), exoticRot.M(), exoticRot.Pt(), Phid1Rot.Pt(), Phid2.Pt(), kstar_rot);
// auto kstar_rot = getkstar(Phid1Rot, Phid2);
auto deltaR_rot = TMath::Sqrt(TMath::Power(Phid1Rot.Phi() - Phid2.Phi(), 2.0) + TMath::Power(Phid1Rot.Eta() - Phid2.Eta(), 2.0));
histos.fill(HIST("SEMassRot"), exoticRot.M(), exoticRot.Pt(), Phid1Rot.Pt(), Phid2.Pt(), deltaR_rot, phimult);
}
}
}
Expand All @@ -266,26 +271,31 @@ struct doublephimeson {
if (collision1.index() == collision2.index()) {
continue;
}
if (additionalEvsel && (collision1.numPos() < 2 || collision1.numNeg() < 2)) {
continue;
}
if (additionalEvsel && (collision2.numPos() < 2 || collision2.numNeg() < 2)) {
continue;
}
auto phimult = tracks1.size();
for (auto& [phitrackd1, phitrackd2] : o2::soa::combinations(o2::soa::CombinationsFullIndexPolicy(tracks1, tracks2))) {
if (phitrackd1.phiMass() < minPhiMass || phitrackd1.phiMass() > maxPhiMass) {
continue;
}

if (phitrackd2.phiMass() < minPhiMass || phitrackd2.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());
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 (!selectionPID(phitrackd1.phid1TPC(), phitrackd1.phid1TOF(), phitrackd1.phid1TOFHit(), strategyPID, kaonplusd1pt)) {
continue;
}
if (!selectionPID(phitrackd1.phid2TPC(), phitrackd1.phid2TOF(), phitrackd1.phid2TOFHit(), strategyPID, kaonminusd1pt)) {
continue;
}
Phid1.SetXYZM(phitrackd1.phiPx(), phitrackd1.phiPy(), phitrackd1.phiPz(), phitrackd1.phiMass());
if (phitrackd2.phiMass() < minPhiMass || phitrackd2.phiMass() > maxPhiMass) {
continue;
}
if (!selectionPID(phitrackd2.phid1TPC(), phitrackd2.phid1TOF(), phitrackd2.phid1TOFHit(), strategyPID, kaonplusd2pt)) {
continue;
}
Expand All @@ -294,22 +304,9 @@ struct doublephimeson {
}
Phid2.SetXYZM(phitrackd2.phiPx(), phitrackd2.phiPy(), phitrackd2.phiPz(), phitrackd2.phiMass());
exotic = Phid1 + Phid2;
auto kstar = getkstar(Phid1, Phid2);
histos.fill(HIST("MEMassUnlike"), exotic.M(), exotic.Pt(), Phid1.Pt(), Phid2.Pt(), kstar);
if (fillRotation) {
for (int nrotbkg = 0; nrotbkg < 9; nrotbkg++) {
auto anglestart = 5.0 * TMath::Pi() / 6.0;
auto angleend = 7.0 * TMath::Pi() / 6.0;
auto anglestep = (angleend - anglestart) / (1.0 * (9.0 - 1.0));
auto rotangle = anglestart + nrotbkg * anglestep;
auto rotd1px = Phid1.Px() * std::cos(rotangle) - Phid1.Py() * std::sin(rotangle);
auto rotd1py = Phid1.Px() * std::sin(rotangle) + Phid1.Py() * std::cos(rotangle);
Phid1Rot.SetXYZM(rotd1px, rotd1py, Phid1.Pz(), Phid1.M());
exoticRot = Phid1Rot + Phid2;
auto kstar_rot = getkstar(Phid1Rot, Phid2);
histos.fill(HIST("MEMassRot"), exoticRot.M(), exoticRot.Pt(), Phid1Rot.Pt(), Phid2.Pt(), kstar_rot);
}
}
// auto kstar = getkstar(Phid1, Phid2);
auto deltaR = TMath::Sqrt(TMath::Power(Phid1.Phi() - Phid2.Phi(), 2.0) + TMath::Power(Phid1.Eta() - Phid2.Eta(), 2.0));
histos.fill(HIST("MEMassUnlike"), exotic.M(), exotic.Pt(), Phid1.Pt(), Phid2.Pt(), deltaR, phimult);
}
}
}
Expand Down

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