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Please consider the following formatting changes to #4324 #218

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Jan 15, 2024
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Please consider the following formatting changes to #4324 #218

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63 changes: 34 additions & 29 deletions PWGLF/Tasks/derivedlambdakzeroanalysis.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -68,10 +68,10 @@ struct derivedlambdakzeroanalysis {
Configurable<float> dcanegtopv{"dcanegtopv", .1, "min DCA Neg To PV (cm)"};
Configurable<float> dcapostopv{"dcapostopv", .1, "min DCA Pos To PV (cm)"};
Configurable<float> v0radius{"v0radius", 5.0, "minimum V0 radius (cm)"};

// PID (TPC)
Configurable<float> TpcPidNsigmaCut{"TpcPidNsigmaCut", 5, "TpcPidNsigmaCut"};

Configurable<bool> doQA{"doQA", true, "do topological variable QA histograms"};
Configurable<float> massWindowQA{"massWindowQA", 0.005f, "mass window for QA plots"};

Expand Down Expand Up @@ -109,8 +109,8 @@ struct derivedlambdakzeroanalysis {
histos.add("h3dMassAntiLambda", "h3dMassAntiLambda", kTH3F, {axisCentrality, axisPt, axisLambdaMass});

// QA histograms if requested
if(doQA){
// initialize for K0short...
if (doQA) {
// initialize for K0short...
histos.add("K0Short/h3dPosDCAxy", "h3dPosDCAxy", kTH3F, {axisCentrality, axisPt, axisDCAtoPV});
histos.add("K0Short/h3dNegDCAxy", "h3dNegDCAxy", kTH3F, {axisCentrality, axisPt, axisDCAtoPV});
histos.add("K0Short/h3dDCADaughters", "h3dDCADaughters", kTH3F, {axisCentrality, axisPt, axisDCAdau});
Expand All @@ -124,44 +124,46 @@ struct derivedlambdakzeroanalysis {
}

template <typename TV0>
bool compatibleTPC( TV0 v0, int sp){
bool compatibleTPC(TV0 v0, int sp)
{
float pidPos = TMath::Abs(v0.template posTrackExtra_as<dauTracks>().tpcNSigmaPi());
float pidNeg = TMath::Abs(v0.template negTrackExtra_as<dauTracks>().tpcNSigmaPi());

if(sp==spLambda)
if (sp == spLambda)
pidPos = TMath::Abs(v0.template posTrackExtra_as<dauTracks>().tpcNSigmaPr());
if(sp==spAntiLambda)
if (sp == spAntiLambda)
pidNeg = TMath::Abs(v0.template negTrackExtra_as<dauTracks>().tpcNSigmaPr());

if(pidPos<TpcPidNsigmaCut && pidNeg<TpcPidNsigmaCut)
return true;
if (pidPos < TpcPidNsigmaCut && pidNeg < TpcPidNsigmaCut)
return true;

// if not, then not
// if not, then not
return false;
}

template <typename TV0>
void fillQAHistograms( TV0 v0, int sp, float centrality){
void fillQAHistograms(TV0 v0, int sp, float centrality)
{
float massRef = o2::constants::physics::MassKaonNeutral;

if(sp!=spK0Short)
if (sp != spK0Short)
massRef = o2::constants::physics::MassLambda;

if( std::abs(v0.mK0Short()-massRef) < massWindowQA && sp == spK0Short){
if (std::abs(v0.mK0Short() - massRef) < massWindowQA && sp == spK0Short) {
histos.fill(HIST("K0Short/h3dPosDCAxy"), centrality, v0.pt(), v0.dcapostopv());
histos.fill(HIST("K0Short/h3dNegDCAxy"), centrality, v0.pt(), v0.dcanegtopv());
histos.fill(HIST("K0Short/h3dDCADaughters"), centrality, v0.pt(), v0.dcaV0daughters());
histos.fill(HIST("K0Short/h3dPointingAngle"), centrality, v0.pt(), TMath::ACos(v0.v0cosPA()));
histos.fill(HIST("K0Short/h3dV0Radius"), centrality, v0.pt(), v0.v0radius());
}
if( std::abs(v0.mLambda()-massRef) < massWindowQA && sp == spLambda){
if (std::abs(v0.mLambda() - massRef) < massWindowQA && sp == spLambda) {
histos.fill(HIST("Lambda/h3dPosDCAxy"), centrality, v0.pt(), v0.dcapostopv());
histos.fill(HIST("Lambda/h3dNegDCAxy"), centrality, v0.pt(), v0.dcanegtopv());
histos.fill(HIST("Lambda/h3dDCADaughters"), centrality, v0.pt(), v0.dcaV0daughters());
histos.fill(HIST("Lambda/h3dPointingAngle"), centrality, v0.pt(), TMath::ACos(v0.v0cosPA()));
histos.fill(HIST("Lambda/h3dV0Radius"), centrality, v0.pt(), v0.v0radius());
}
if( std::abs(v0.mAntiLambda()-massRef) < massWindowQA && sp == spAntiLambda){
if (std::abs(v0.mAntiLambda() - massRef) < massWindowQA && sp == spAntiLambda) {
histos.fill(HIST("AntiLambda/h3dPosDCAxy"), centrality, v0.pt(), v0.dcapostopv());
histos.fill(HIST("AntiLambda/h3dNegDCAxy"), centrality, v0.pt(), v0.dcanegtopv());
histos.fill(HIST("AntiLambda/h3dDCADaughters"), centrality, v0.pt(), v0.dcaV0daughters());
Expand All @@ -170,54 +172,57 @@ struct derivedlambdakzeroanalysis {
}
}

Filter preFilterV0 = nabs(aod::v0data::dcapostopv) > dcapostopv&& nabs(aod::v0data::dcanegtopv) > dcanegtopv&& aod::v0data::dcaV0daughters < dcav0dau&& aod::v0data::v0cosPA > v0cospa;
Filter preFilterV0 = nabs(aod::v0data::dcapostopv) > dcapostopv&& nabs(aod::v0data::dcanegtopv) > dcanegtopv&& aod::v0data::dcaV0daughters<dcav0dau && aod::v0data::v0cosPA> v0cospa;

void process(soa::Join<aod::StraCollisions, aod::StraCents, aod::StraEvSels>::iterator const& collision, soa::Filtered<soa::Join<aod::V0Cores, aod::V0Extras>> const& fullV0s, dauTracks const&)
{
histos.fill(HIST("hEventSelection"), 0.5 /* all collisions */);
if (!collision.sel8()) {
if (!collision.sel8()) {
return;
}
histos.fill(HIST("hEventSelection"), 1.5 /* sel8 collisions */);

if (std::abs(collision.posZ()) > 10.f) {
if (std::abs(collision.posZ()) > 10.f) {
return;
}
histos.fill(HIST("hEventSelection"), 2.5 /* vertex-Z selected */);
histos.fill(HIST("hEventCentrality"), collision.centFT0C());

for (auto& v0 : fullV0s) {
if(std::abs(v0.negativeeta())>daughterEtaCut || std::abs(v0.positiveeta())>daughterEtaCut)
continue; //remove acceptance that's badly reproduced by MC
if (std::abs(v0.negativeeta()) > daughterEtaCut || std::abs(v0.positiveeta()) > daughterEtaCut)
continue; // remove acceptance that's badly reproduced by MC

if (v0.v0radius() > v0radius) {
// ___________________________________
//Analysis 1: Lambda
// Analysis 1: Lambda
if (TMath::Abs(v0.yLambda()) < rapidityCut) {
if (v0.distovertotmom(collision.posX(), collision.posY(), collision.posZ()) * o2::constants::physics::MassLambda0 < lifetimecut->get("lifetimecutLambda")) {
// Lambda daughter PID
if (compatibleTPC(v0,spLambda)) {
if (compatibleTPC(v0, spLambda)) {
histos.fill(HIST("h3dMassLambda"), collision.centFT0C(), v0.pt(), v0.mLambda());
if( doQA ) fillQAHistograms( v0, spLambda, collision.centFT0C());
}
if (doQA)
fillQAHistograms(v0, spLambda, collision.centFT0C());
}
// AntiLambda daughter PID
if (compatibleTPC(v0,spAntiLambda)) {
if (compatibleTPC(v0, spAntiLambda)) {
histos.fill(HIST("h3dMassAntiLambda"), collision.centFT0C(), v0.pt(), v0.mAntiLambda());
if( doQA ) fillQAHistograms( v0, spAntiLambda, collision.centFT0C() );
if (doQA)
fillQAHistograms(v0, spAntiLambda, collision.centFT0C());
}
}
}
// ___________________________________
// Analysis 2: K0Short
if (TMath::Abs(v0.yK0Short()) < rapidityCut) {
if (v0.distovertotmom(collision.posX(), collision.posY(), collision.posZ()) * o2::constants::physics::MassK0Short < lifetimecut->get("lifetimecutK0S")) {
if (compatibleTPC(v0,spK0Short)) {
if (compatibleTPC(v0, spK0Short)) {
histos.fill(HIST("h3dMassK0Short"), collision.centFT0C(), v0.pt(), v0.mK0Short());
if( doQA ) fillQAHistograms( v0, spK0Short, collision.centFT0C());
if (doQA)
fillQAHistograms(v0, spK0Short, collision.centFT0C());
}
}
}
} //end radius check
} // end radius check
}
}
};
Expand Down
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