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[PWGLF] filled few topological variable distributions #12552

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Merged
romainschotter merged 2 commits into from
Aug 13, 2025
Merged

[PWGLF] filled few topological variable distributions #12552

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4cf1253
filled topological distributions
Aug 12, 2025
75e1a6c
corrected
Aug 12, 2025
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34 changes: 34 additions & 0 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 @@ -199,6 +199,14 @@
Configurable<int> nMix{"nMix", 5, "number of event mixing"};
} meGrp;

struct : ConfigurableGroup {
ConfigurableAxis axisCosine{"axisCosine", {100, 0, 1}, "cosine axis"};
ConfigurableAxis axisRadius{"axisRadius", {200, 0, 100}, "radius axis"};
ConfigurableAxis axisDca{"axisDca", {100, -5, 5}, "dca axis"};
ConfigurableAxis axisLT{"axisLT", {50, 0, 50}, "lifetime axis"};
Configurable<bool> filldist{"filldist", true, "fill topo distr"};
} distGrp;

RCTFlagsChecker rctChecker;

SliceCache cache;
Expand Down Expand Up @@ -388,6 +396,17 @@
// histos.add("hSparseAntiLambda_corr2b", "hSparseAntiLambda_corr2b", HistType::kTHnSparseF, runaxes, true);
}

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("hdcaposlambda", "hdcaposlambda", HistType::kTH1D, {distGrp.axisDca}, true);
histos.add("hdcaneglambda", "hdcaneglambda", HistType::kTH1D, {distGrp.axisDca}, true);
histos.add("hdcaposantilambda", "hdcaposantilambda", HistType::kTH1D, {distGrp.axisDca}, true);
histos.add("hdcanegantilambda", "hdcanegantilambda", HistType::kTH1D, {distGrp.axisDca}, true);
}

ccdb->setURL(cfgCcdbParam.cfgURL);
ccdbApi.init("http://alice-ccdb.cern.ch");
ccdb->setCaching(true);
Expand All @@ -409,12 +428,12 @@
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] 

Replace ROOT entities with equivalents from standard C++ or from O2.
const float cpav0 = candidate.v0cosPA();

float CtauLambda = candidate.distovertotmom(collision.posX(), collision.posY(), collision.posZ()) * massLambda;
Expand All @@ -437,16 +456,16 @@
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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[root/entity] 

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

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[root/entity] 

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

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[root/entity] 

Replace ROOT entities with equivalents from standard C++ or from O2.
return false;
}
return true;
Expand All @@ -471,10 +490,10 @@
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] 

Replace ROOT entities with equivalents from standard C++ or from O2.
return false;
}
if (pid == 0 && (candidate.positivept() < cfgDaughPrPt || candidate.negativept() < cfgDaughPiPt)) {
Expand All @@ -487,7 +506,7 @@
return false;
}

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

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[root/entity] 

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return false;
}
if (pid2 == 1 && (TMath::Abs(candidate.dcapostopv()) < cMinV0DCAPi || TMath::Abs(candidate.dcanegtopv()) < cMinV0DCAPr)) {
Expand Down Expand Up @@ -1132,12 +1151,23 @@
}
}
} 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());
}

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) {
histos.fill(HIST("hdcaposlambda"), v0.dcapostopv());
histos.fill(HIST("hdcaneglambda"), v0.dcanegtopv());
}
fillHistograms(taga, tagb, Lambda, Proton, psiZDCC, psiZDCA, psiZDC, centrality, v0.mLambda(), v0.pt(), v0.eta(), acvalue, 1.0);
}

Expand All @@ -1148,6 +1178,10 @@
int binx = accprofileAL->GetXaxis()->FindBin(v0.eta());
int biny = accprofileAL->GetYaxis()->FindBin(v0.pt());
double acvalue = accprofileAL->GetBinContent(binx, biny);
if (distGrp.filldist) {
histos.fill(HIST("hdcaposantilambda"), v0.dcapostopv());
histos.fill(HIST("hdcanegantilambda"), v0.dcanegtopv());
}
fillHistograms(taga, tagb, AntiLambda, AntiProton, psiZDCC, psiZDCA, psiZDC, centrality, v0.mAntiLambda(), v0.pt(), v0.eta(), acvalue, wgtvalue);
}
}
Expand Down
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