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[PWGLF] Added PDG checks for Kstar and Phi daughters #16048

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[PWGLF] Added PDG checks for Kstar and Phi daughters #16048

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99 changes: 87 additions & 12 deletions PWGLF/Tasks/QC/mcParticlePrediction.cxx
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// Copyright 2019-2020 CERN and copyright holders of ALICE O2.

Check failure on line 1 in PWGLF/Tasks/QC/mcParticlePrediction.cxx

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[name/workflow-file] 

Name of a workflow file must match the name of the main struct in it (without the PWG prefix). (Class implementation files should be in "Core" directories.)
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
Expand Down Expand Up @@ -41,6 +41,7 @@

#include <TH1.h>
#include <TH2.h>
#include <TPDGCode.h>
#include <TParticlePDG.h>
#include <TString.h>

Expand Down Expand Up @@ -446,6 +447,9 @@
return nMult;
}

int noOfDaughters = 2;
float rapidityMother = 0.5;

void process(aod::McCollision const& mcCollision,
aod::McParticles const& mcParticles)
{
Expand All @@ -455,7 +459,7 @@
}

histos.fill(HIST("collisions/generated"), 1);
if (std::abs(mcCollision.posZ()) > 10.f) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
return;
}
histos.fill(HIST("collisions/generated"), 2);
Expand Down Expand Up @@ -493,34 +497,105 @@
continue;
}

if (!particle.isPhysicalPrimary()) {
continue;
}
// if (!particle.isPhysicalPrimary()) {
// continue;
// }

TParticlePDG* p = pdgDB->GetParticle(particle.pdgCode());
if (p) {
if (std::abs(p->Charge()) > 1e-3) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
histos.fill(HIST("particles/eta/charged"), particle.eta());
} else {
histos.fill(HIST("particles/eta/neutral"), particle.eta());
}
}

if (std::abs(particle.y()) > 0.5) {
if (std::abs(particle.y()) >= rapidityMother) {
continue;
}

histos.fill(HIST("particles/vtx/x"), particle.vx());
histos.fill(HIST("particles/vtx/y"), particle.vy());
histos.fill(HIST("particles/vtx/z"), particle.vz() - mcCollision.posZ());
if (particle.pdgCode() == o2::constants::physics::kK0Star892) {
auto kDaughters = particle.daughters_as<aod::McParticles>();
if (kDaughters.size() != noOfDaughters) {
continue;
}

auto passkaon = false;
auto passpion = false;
for (const auto& kCurrentDaughter : kDaughters) {
if (!kCurrentDaughter.isPhysicalPrimary()) {
continue;
}

if (std::abs(kCurrentDaughter.pdgCode()) == PDG_t::kKPlus) {
passkaon = true;
} else if (std::abs(kCurrentDaughter.pdgCode()) == PDG_t::kPiPlus) {
passpion = true;
}
}
if (passkaon && passpion) {
histos.fill(HIST("particles/vtx/x"), particle.vx());
histos.fill(HIST("particles/vtx/y"), particle.vy());
histos.fill(HIST("particles/vtx/z"), particle.vz() - mcCollision.posZ());

histos.fill(HIST("particles/yields"), id);
for (int i = 0; i < Estimators::nEstimators; i++) {
if (!enabledEstimatorsArray[i]) {
continue;
}
hpt[i][id]->Fill(particle.pt(), nMult[i]);
hyield[i][id]->Fill(nMult[i]);
}
}
} else if (particle.pdgCode() == o2::constants::physics::kPhi) {
auto kDaughters = particle.daughters_as<aod::McParticles>();
if (kDaughters.size() != noOfDaughters) {
continue;
}

histos.fill(HIST("particles/yields"), id);
for (int i = 0; i < Estimators::nEstimators; i++) {
if (!enabledEstimatorsArray[i]) {
auto passkaonPos = false;
auto passkaonNeg = false;
for (const auto& kCurrentDaughter : kDaughters) {
if (!kCurrentDaughter.isPhysicalPrimary()) {
continue;
}

if (kCurrentDaughter.pdgCode() == PDG_t::kKPlus) {
passkaonPos = true;
} else if (kCurrentDaughter.pdgCode() == PDG_t::kKMinus) {
passkaonNeg = true;
}
}
if (passkaonPos && passkaonNeg) {
histos.fill(HIST("particles/vtx/x"), particle.vx());
histos.fill(HIST("particles/vtx/y"), particle.vy());
histos.fill(HIST("particles/vtx/z"), particle.vz() - mcCollision.posZ());

histos.fill(HIST("particles/yields"), id);
for (int i = 0; i < Estimators::nEstimators; i++) {
if (!enabledEstimatorsArray[i]) {
continue;
}
hpt[i][id]->Fill(particle.pt(), nMult[i]);
hyield[i][id]->Fill(nMult[i]);
}
}
} else {
if (!particle.isPhysicalPrimary()) {
continue;
}
hpt[i][id]->Fill(particle.pt(), nMult[i]);
hyield[i][id]->Fill(nMult[i]);
histos.fill(HIST("particles/vtx/x"), particle.vx());
histos.fill(HIST("particles/vtx/y"), particle.vy());
histos.fill(HIST("particles/vtx/z"), particle.vz() - mcCollision.posZ());

histos.fill(HIST("particles/yields"), id);
for (int i = 0; i < Estimators::nEstimators; i++) {
if (!enabledEstimatorsArray[i]) {
continue;
}
hpt[i][id]->Fill(particle.pt(), nMult[i]);
hyield[i][id]->Fill(nMult[i]);
}
}
}
}
Expand Down Expand Up @@ -672,10 +747,10 @@
float nMultRecoMCBC[Estimators::nEstimators] = {0};
if (mcBC.has_ft0()) {
const auto& ft0 = mcBC.ft0();
for (auto amplitude : ft0.amplitudeA()) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
nMultRecoMCBC[Estimators::FT0A] += amplitude;
}
for (auto amplitude : ft0.amplitudeC()) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
nMultRecoMCBC[Estimators::FT0C] += amplitude;
}
nMultRecoMCBC[Estimators::FT0AC] = nMultRecoMCBC[Estimators::FT0A] + nMultRecoMCBC[Estimators::FT0C];
Expand Down
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