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[PWGLF] few more QA and a small check #12659

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Merged
romainschotter merged 2 commits into from
Aug 21, 2025
Merged

[PWGLF] few more QA and a small check #12659

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fb43714
detailed QA plots separately for lambda and antilambda
Aug 18, 2025
22788a8
added a small check
Aug 20, 2025
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69 changes: 53 additions & 16 deletions PWGLF/Tasks/Strangeness/lambdapolsp.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -58,7 +58,7 @@
#include <cmath>
#include <cstdlib>
#include <deque>
#include <iostream>

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[include-iostream] 

Do not include iostream. Use O2 logging instead.
#include <iterator>
#include <set> // <<< CHANGED: for dedup sets
#include <string>
Expand Down Expand Up @@ -206,7 +206,11 @@
ConfigurableAxis axisDca{"axisDca", {100, -5, 5}, "dca axis"};
ConfigurableAxis axisLT{"axisLT", {50, 0, 50}, "lifetime axis"};
ConfigurableAxis axisCR{"axisCR", {40, 0, 200}, "CR axis"};
ConfigurableAxis axisnsig{"axisnsig", {100, -10, 10}, "nsigma axis"};
ConfigurableAxis axispt{"axispt", {100, 0, 10}, "pt axis"};
Configurable<bool> filldist{"filldist", true, "fill topo distr"};
Configurable<float> lowmasscut{"lowmasscut", 1.11, "low mass cut"};
Configurable<float> highmasscut{"highmasscut", 1.12, "high mass cut"};
} distGrp;

RCTFlagsChecker rctChecker;
Expand Down Expand Up @@ -399,15 +403,29 @@
}

if (distGrp.filldist) {
histos.add("hcosine", "hcosine", HistType::kTH1D, {distGrp.axisCosine}, true);
histos.add("hdcabwv0daugh", "hdcabwv0daugh", HistType::kTH1D, {distGrp.axisDca}, true);
histos.add("hlifetime", "hlifetime", HistType::kTH1D, {distGrp.axisLT}, true);
histos.add("hradius", "hradius", HistType::kTH1D, {distGrp.axisRadius}, true);
histos.add("hcosinelambda", "hcosinelambda", HistType::kTH1D, {distGrp.axisCosine}, true);
histos.add("hdcabwv0daughlambda", "hdcabwv0daughlambda", HistType::kTH1D, {distGrp.axisDca}, true);
histos.add("hlifetimelambda", "hlifetimelambda", HistType::kTH1D, {distGrp.axisLT}, true);
histos.add("hradiuslambda", "hradiuslambda", HistType::kTH1D, {distGrp.axisRadius}, true);
histos.add("hdcaposlambda", "hdcaposlambda", HistType::kTH1D, {distGrp.axisDca}, true);
histos.add("hdcaneglambda", "hdcaneglambda", HistType::kTH1D, {distGrp.axisDca}, true);
histos.add("htpcCRlambda", "htpcCRlambda", HistType::kTH1D, {distGrp.axisCR}, true);
histos.add("htpcposlambda", "htpcposlambda", HistType::kTH1D, {distGrp.axisnsig}, true);
histos.add("htpcneglambda", "htpcneglambda", HistType::kTH1D, {distGrp.axisnsig}, true);
histos.add("hptposlambda", "hptposlambda", HistType::kTH1D, {distGrp.axispt}, true);
histos.add("hptneglambda", "hptneglambda", HistType::kTH1D, {distGrp.axispt}, true);

histos.add("hcosineantilambda", "hcosineantilambda", HistType::kTH1D, {distGrp.axisCosine}, true);
histos.add("hdcabwv0daughantilambda", "hdcabwv0daughantilambda", HistType::kTH1D, {distGrp.axisDca}, true);
histos.add("hlifetimeantilambda", "hlifetimeantilambda", HistType::kTH1D, {distGrp.axisLT}, true);
histos.add("hradiusantilambda", "hradiusantilambda", HistType::kTH1D, {distGrp.axisRadius}, true);
histos.add("hdcaposantilambda", "hdcaposantilambda", HistType::kTH1D, {distGrp.axisDca}, true);
histos.add("hdcanegantilambda", "hdcanegantilambda", HistType::kTH1D, {distGrp.axisDca}, true);
histos.add("htpcCR", "htpcCR", HistType::kTH1D, {distGrp.axisCR}, true);
histos.add("htpcCRantilambda", "htpcCRantilambda", HistType::kTH1D, {distGrp.axisCR}, true);
histos.add("htpcposantilambda", "htpcposantilambda", HistType::kTH1D, {distGrp.axisnsig}, true);
histos.add("htpcnegantilambda", "htpcnegantilambda", HistType::kTH1D, {distGrp.axisnsig}, true);
histos.add("hptposantilambda", "hptposantilambda", HistType::kTH1D, {distGrp.axispt}, true);
histos.add("hptnegantilambda", "hptnegantilambda", HistType::kTH1D, {distGrp.axispt}, true);
}

ccdb->setURL(cfgCcdbParam.cfgURL);
Expand All @@ -431,12 +449,12 @@
template <typename Collision, typename V0>
bool SelectionV0(Collision const& collision, V0 const& candidate)
{
if (TMath::Abs(candidate.dcav0topv()) > cMaxV0DCA) {

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[root/entity] 

Replace ROOT entities with equivalents from standard C++ or from O2.
return false;
}
const float pT = candidate.pt();
const float tranRad = candidate.v0radius();
const float dcaDaughv0 = TMath::Abs(candidate.dcaV0daughters());

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[root/entity] 

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const float cpav0 = candidate.v0cosPA();

float CtauLambda = candidate.distovertotmom(collision.posX(), collision.posY(), collision.posZ()) * massLambda;
Expand All @@ -459,16 +477,16 @@
if (tranRad > ConfV0TranRadV0Max) {
return false;
}
if (analyzeLambda && TMath::Abs(CtauLambda) > cMaxV0LifeTime) {

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[root/entity] 

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return false;
}
if (analyzeK0s && TMath::Abs(CtauK0s) > cMaxV0LifeTime) {

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return false;
}
if (analyzeLambda && TMath::Abs(candidate.yLambda()) > ConfV0Rap) {

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return false;
}
if (analyzeK0s && TMath::Abs(candidate.yK0Short()) > ConfV0Rap) {

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[root/entity] 

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return false;
}
return true;
Expand All @@ -494,10 +512,10 @@
return false;
}

if (pid == 0 && TMath::Abs(track.tpcNSigmaPr()) > ConfDaughPIDCuts) {

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[root/entity] 

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return false;
}
if (pid == 1 && TMath::Abs(track.tpcNSigmaPi()) > ConfDaughPIDCuts) {

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[root/entity] 

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return false;
}
if (pid == 0 && (candidate.positivept() < cfgDaughPrPt || candidate.negativept() < cfgDaughPiPt)) {
Expand All @@ -510,7 +528,7 @@
return false;
}

if (pid2 == 0 && (TMath::Abs(candidate.dcapostopv()) < cMinV0DCAPr || TMath::Abs(candidate.dcanegtopv()) < cMinV0DCAPi)) {

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return false;
}
if (pid2 == 1 && (TMath::Abs(candidate.dcapostopv()) < cMinV0DCAPi || TMath::Abs(candidate.dcanegtopv()) < cMinV0DCAPr)) {
Expand Down Expand Up @@ -1168,23 +1186,24 @@
}
} else {

if (distGrp.filldist) {
histos.fill(HIST("hcosine"), v0.v0cosPA());
histos.fill(HIST("hdcabwv0daugh"), v0.dcaV0daughters());
histos.fill(HIST("hlifetime"), TMath::Abs(v0.distovertotmom(collision.posX(), collision.posY(), collision.posZ()) * massLambda));
histos.fill(HIST("hradius"), v0.v0radius());
histos.fill(HIST("htpcCR"), postrack.tpcNClsCrossedRows());
}

if (LambdaTag) {
Lambda = Proton + AntiPion;
tagb = 0;
int binx = accprofileL->GetXaxis()->FindBin(v0.eta());
int biny = accprofileL->GetYaxis()->FindBin(v0.pt());
double acvalue = accprofileL->GetBinContent(binx, biny);
if (distGrp.filldist) {
if (distGrp.filldist && aLambdaTag == 0 && Lambda.M() > distGrp.lowmasscut && Lambda.M() < distGrp.highmasscut) {
histos.fill(HIST("hcosinelambda"), v0.v0cosPA());
histos.fill(HIST("hdcabwv0daughlambda"), v0.dcaV0daughters());
histos.fill(HIST("hlifetimelambda"), TMath::Abs(v0.distovertotmom(collision.posX(), collision.posY(), collision.posZ()) * massLambda));
histos.fill(HIST("hradiuslambda"), v0.v0radius());
histos.fill(HIST("htpcCRlambda"), postrack.tpcNClsCrossedRows());
histos.fill(HIST("hdcaposlambda"), v0.dcapostopv());
histos.fill(HIST("hdcaneglambda"), v0.dcanegtopv());
histos.fill(HIST("htpcposlambda"), postrack.tpcNSigmaPr());
histos.fill(HIST("htpcneglambda"), negtrack.tpcNSigmaPi());
histos.fill(HIST("hptposlambda"), Proton.Pt());
histos.fill(HIST("hptneglambda"), AntiPion.Pt());
}
fillHistograms(taga, tagb, Lambda, Proton, psiZDCC, psiZDCA, psiZDC, centrality, v0.mLambda(), v0.pt(), v0.eta(), acvalue, 1.0);
}
Expand All @@ -1196,9 +1215,18 @@
int binx = accprofileAL->GetXaxis()->FindBin(v0.eta());
int biny = accprofileAL->GetYaxis()->FindBin(v0.pt());
double acvalue = accprofileAL->GetBinContent(binx, biny);
if (distGrp.filldist) {
if (distGrp.filldist && LambdaTag == 0 && AntiLambda.M() > distGrp.lowmasscut && AntiLambda.M() < distGrp.highmasscut) {
histos.fill(HIST("hcosineantilambda"), v0.v0cosPA());
histos.fill(HIST("hdcabwv0daughantilambda"), v0.dcaV0daughters());
histos.fill(HIST("hlifetimeantilambda"), TMath::Abs(v0.distovertotmom(collision.posX(), collision.posY(), collision.posZ()) * massLambda));
histos.fill(HIST("hradiusantilambda"), v0.v0radius());
histos.fill(HIST("htpcCRantilambda"), postrack.tpcNClsCrossedRows());
histos.fill(HIST("hdcaposantilambda"), v0.dcapostopv());
histos.fill(HIST("hdcanegantilambda"), v0.dcanegtopv());
histos.fill(HIST("htpcposantilambda"), postrack.tpcNSigmaPi());
histos.fill(HIST("htpcnegantilambda"), negtrack.tpcNSigmaPr());
histos.fill(HIST("hptposantilambda"), Pion.Pt());
histos.fill(HIST("hptnegantilambda"), AntiProton.Pt());
}
fillHistograms(taga, tagb, AntiLambda, AntiProton, psiZDCC, psiZDCA, psiZDC, centrality, v0.mAntiLambda(), v0.pt(), v0.eta(), acvalue, wgtvalue);
}
Expand Down Expand Up @@ -1442,6 +1470,15 @@
}
}
} else {

int binxwgt;
double wgtvalue;
if (useyldwgt) {
binxwgt = hwgtAL->GetXaxis()->FindBin(v0.pt());
wgtvalue = hwgtAL->GetBinContent(binxwgt);
} else {
wgtvalue = 1.0;
}
if (analyzeLambda && LambdaTag) {
Lambda = Proton + AntiPion;
tagb = 0;
Expand All @@ -1460,7 +1497,7 @@
int biny = accprofileAL->GetYaxis()->FindBin(v0.pt());
double acvalue = accprofileAL->GetBinContent(binx, biny);
// double acvalue = 1.0;
fillHistograms(taga, tagb, AntiLambda, AntiProton, psiZDCC, psiZDCA, psiZDC, centrality, v0.mAntiLambda(), v0.pt(), v0.eta(), acvalue, 1.0);
fillHistograms(taga, tagb, AntiLambda, AntiProton, psiZDCC, psiZDCA, psiZDC, centrality, v0.mAntiLambda(), v0.pt(), v0.eta(), acvalue, wgtvalue);
}
}
}
Expand Down
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