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Fix MC association + add debug histos #999

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Merged
njacazio merged 1 commit into from
Jul 15, 2022
Merged

Fix MC association + add debug histos #999

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72 changes: 68 additions & 4 deletions PWGLF/Tasks/v0cascadesqa.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -97,6 +97,14 @@ struct v0cascadesQA {
HistogramRegistry histos_Casc{
"histos-Casc",
{
{"PassSelections", "PassSelections", {HistType::kTH1F, {{30, 0.f, 30.f}}}},
{"PDGCodeNeg", "PDGCodeNeg", {HistType::kTH1F, {{3500, 0.f, 3500.f}}}},
{"PDGCodePos", "PDGCodePos", {HistType::kTH1F, {{3500, 0.f, 3500.f}}}},
{"PDGCodeBach", "PDGCodeBach", {HistType::kTH1F, {{3500, 0.f, 3500.f}}}},
{"PDGCodeMotherOfBach", "PDGCodeMotherOfBach", {HistType::kTH1F, {{3500, 0.f, 3500.f}}}},
{"PDGCodeMotherOfPos", "PDGCodeMotherOfPos", {HistType::kTH1F, {{3500, 0.f, 3500.f}}}},
{"PDGCodeMotherOfNeg", "PDGCodeMotherOfNeg", {HistType::kTH1F, {{3500, 0.f, 3500.f}}}},
{"PDGCodeMotherOfV0", "PDGCodeMotherOfV0", {HistType::kTH1F, {{3500, 0.f, 3500.f}}}},
{"XiProgSelections", "XiProgSelections", {HistType::kTH2F, {{30, 0.5f, 30.5f}, {2, -2, 2}}}},
{"OmegaProgSelections", "OmegaProgSelections", {HistType::kTH2F, {{30, 0.5f, 30.5f}, {2, -2, 2}}}},
{"CascCosPA", "CascCosPA", {HistType::kTH2F, {{200, 0.9f, 1.0f}, {2, -2, 2}}}},
Expand Down Expand Up @@ -273,7 +281,9 @@ struct v0cascadesQA {
for (auto& particleDauOfNeg0 : particleMotherOfNeg.daughters_as<aod::McParticles>()) {
for (auto& particleDauOfNeg1 : particleMotherOfNeg.daughters_as<aod::McParticles>()) {

bool MomIsPrimary = particleMotherOfNeg.isPhysicalPrimary();
bool MomIsPrimary = false;
if (particleMotherOfNeg.isPhysicalPrimary())
MomIsPrimary = true;

bool isK0sV0 = (MomIsPrimary && particleMotherOfNeg == particleMotherOfPos && particleMotherOfNeg.pdgCode() == 310) &&
((particleDauOfNeg0.pdgCode() == 211 && particleDauOfNeg1.pdgCode() == -211) ||
Expand Down Expand Up @@ -418,6 +428,9 @@ struct v0cascadesQA {
void processMcCascade(aod::Collision const& collision, aod::CascDataExt const& Cascades, aod::V0sLinked const&, aod::V0Datas const& fullV0s, MyTracksMC const& tracks, aod::McParticles const& mcParticles)
{
for (auto& casc : Cascades) {

histos_Casc.fill(HIST("PassSelections"), 0.5);

if (casc.v0radius() > Casc_v0radius &&
casc.cascradius() > Casc_cascradius &&
casc.v0cosPA(collision.posX(), collision.posY(), collision.posZ()) > Casc_v0cospa &&
Expand All @@ -426,37 +439,84 @@ struct v0cascadesQA {
TMath::Abs(casc.dcapostopv()) > Casc_dcapostopv && TMath::Abs(casc.dcanegtopv()) > Casc_dcanegtopv && TMath::Abs(casc.dcabachtopv()) > Casc_dcabachtopv &&
casc.dcaV0daughters() < Casc_dcav0dau && casc.dcacascdaughters() < Casc_dcacascdau) {

histos_Casc.fill(HIST("PassSelections"), 1.5);

auto v0index = casc.v0_as<o2::aod::V0sLinked>();
if (!(v0index.has_v0Data())) {
continue; // skip those cascades for which V0 doesn't exist
}
auto v0 = v0index.v0Data(); // de-reference index to correct v0data in case it exists

histos_Casc.fill(HIST("PassSelections"), 2.5);

auto reconegtrack = v0.negTrack_as<MyTracksMC>();
auto recopostrack = v0.posTrack_as<MyTracksMC>();
if (!reconegtrack.has_mcParticle() || !recopostrack.has_mcParticle()) {
continue;
}

auto mcnegtrack = reconegtrack.mcParticle_as<aod::McParticles>();
auto mcpostrack = recopostrack.mcParticle_as<aod::McParticles>();
if (!mcnegtrack.has_mothers() || !mcpostrack.has_mothers()) {
continue;
}

histos_Casc.fill(HIST("PassSelections"), 3.5);

auto recobachelor = casc.bachelor_as<MyTracksMC>();
if (!recobachelor.has_mcParticle()) {
continue;
}

auto bachelor = recobachelor.mcParticle_as<aod::McParticles>();

histos_Casc.fill(HIST("PassSelections"), 4.5);

for (auto& particleMotherOfBach : bachelor.mothers_as<aod::McParticles>()) {
for (auto& particleMotherOfNeg : mcnegtrack.mothers_as<aod::McParticles>()) {
for (auto& particleMotherOfPos : mcpostrack.mothers_as<aod::McParticles>()) {
for (auto& particleMotherOfV0 : particleMotherOfNeg.mothers_as<aod::McParticles>()) {

bool MomOfBachIsPrimary = particleMotherOfBach.isPhysicalPrimary();
bool MomOfNegIsPrimary = particleMotherOfNeg.isPhysicalPrimary();
bool MomOfPosIsPrimary = particleMotherOfPos.isPhysicalPrimary();
histos_Casc.fill(HIST("PDGCodeNeg"), TMath::Abs(mcnegtrack.pdgCode()));
histos_Casc.fill(HIST("PDGCodePos"), TMath::Abs(mcpostrack.pdgCode()));
histos_Casc.fill(HIST("PDGCodeBach"), TMath::Abs(bachelor.pdgCode()));
histos_Casc.fill(HIST("PDGCodeMotherOfNeg"), TMath::Abs(particleMotherOfNeg.pdgCode()));
histos_Casc.fill(HIST("PDGCodeMotherOfPos"), TMath::Abs(particleMotherOfPos.pdgCode()));
histos_Casc.fill(HIST("PDGCodeMotherOfV0"), TMath::Abs(particleMotherOfV0.pdgCode()));
histos_Casc.fill(HIST("PDGCodeMotherOfBach"), TMath::Abs(particleMotherOfBach.pdgCode()));

bool MomOfBachIsPrimary = false;
if (particleMotherOfBach.isPhysicalPrimary())
MomOfBachIsPrimary = true;
bool MomOfNegIsPrimary = false;
if (particleMotherOfNeg.isPhysicalPrimary())
MomOfNegIsPrimary = true;
bool MomOfPosIsPrimary = false;
if (particleMotherOfPos.isPhysicalPrimary())
MomOfPosIsPrimary = true;

// Cross check on efficiencies - XiMinus
if (MomOfBachIsPrimary && !(MomOfNegIsPrimary) && !(MomOfPosIsPrimary)) {
histos_Casc.fill(HIST("PassSelections"), 5.5);
if ((particleMotherOfNeg == particleMotherOfPos) && (particleMotherOfV0 == particleMotherOfBach)) {
histos_Casc.fill(HIST("PassSelections"), 6.5);
if (particleMotherOfBach.pdgCode() == 3312) {
histos_Casc.fill(HIST("PassSelections"), 7.5);
if (bachelor.pdgCode() == -211) {
histos_Casc.fill(HIST("PassSelections"), 8.5);
if (particleMotherOfNeg.pdgCode() == 3122) {
histos_Casc.fill(HIST("PassSelections"), 9.5);
if (mcnegtrack.pdgCode() == -211) {
histos_Casc.fill(HIST("PassSelections"), 10.5);
if (mcpostrack.pdgCode() == 2212) {
histos_Casc.fill(HIST("PassSelections"), 11.5);
}
}
}
}
}
}
}

bool isXiMinusCascade = (MomOfBachIsPrimary && !(MomOfNegIsPrimary) && !(MomOfPosIsPrimary) &&
(particleMotherOfNeg == particleMotherOfPos) && (particleMotherOfV0 == particleMotherOfBach) &&
Expand All @@ -483,24 +543,28 @@ struct v0cascadesQA {
(mcnegtrack.pdgCode() == -2212) && (mcpostrack.pdgCode() == 211));

if (isXiMinusCascade) {
histos_Casc.fill(HIST("PassSelections"), 12.5);
if (TMath::Abs(casc.yXi()) < 0.5) {
histos_Casc.fill(HIST("InvMassXiMinusTrue"), casc.pt(), casc.mXi());
}
}

if (isOmegaMinusCascade) {
histos_Casc.fill(HIST("PassSelections"), 13.5);
if (TMath::Abs(casc.yOmega()) < 0.5) {
histos_Casc.fill(HIST("InvMassOmegaMinusTrue"), casc.pt(), casc.mOmega());
}
}

if (isXiPlusCascade) {
histos_Casc.fill(HIST("PassSelections"), 14.5);
if (TMath::Abs(casc.yXi()) < 0.5) {
histos_Casc.fill(HIST("InvMassXiPlusTrue"), casc.pt(), casc.mXi());
}
}

if (isOmegaPlusCascade) {
histos_Casc.fill(HIST("PassSelections"), 15.5);
if (TMath::Abs(casc.yOmega()) < 0.5) {
histos_Casc.fill(HIST("InvMassOmegaPlusTrue"), casc.pt(), casc.mOmega());
}
Expand Down