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[PWGLF] correcting mass2 plots for primary only #17141

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jtanwar2212 wants to merge 9 commits into from
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[PWGLF] correcting mass2 plots for primary only #17141

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e3dd8bd
Modify track settings and DCA parameters for proton
jtanwar2212 Jul 16, 2026
9e9fd82
Set default values for member variables
jtanwar2212 Jul 16, 2026
898812d
Format code for consistency in nucleitpcpbpb.cxx
jtanwar2212 Jul 16, 2026
5315c1b
Add mass²/z² plots for MC
jtanwar2212 Jul 16, 2026
536b78a
Please consider the following formatting changes
alibuild Jul 16, 2026
9923be5
Merge pull request #8 from alibuild/alibot-cleanup-17084
jtanwar2212 Jul 16, 2026
add5c6a
Merge branch 'AliceO2Group:master' into master
jtanwar2212 Jul 20, 2026
83aa59a
Merge branch 'AliceO2Group:master' into master
jtanwar2212 Jul 21, 2026
6f6ce7a
Add Delta Pt histograms for particles and anti-particles
jtanwar2212 Jul 21, 2026
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28 changes: 14 additions & 14 deletions PWGLF/Tasks/Nuspex/nucleitpcpbpb.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/Nuspex/nucleitpcpbpb.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 @@ -921,6 +921,19 @@
histos.fill(HIST("dcaXY"), ptReco, track.dcaXY());
histos.fill(HIST("dcaZ"), ptReco, track.dcaZ());
histos.fill(HIST("Tpcsignal"), getRigidity(track) * track.sign(), track.tpcSignal());
// Delta Pt histograms
float ptGen = matchedMCParticle.pt();
float deltaPt = ptReco - ptGen;

if (pdg == -particlePdgCodes.at(i)) { // Anti-particle
histomc.fill(HIST("histDeltaPtVsPtGenanti"), ptReco, deltaPt);
histomc.fill(HIST("histPIDtrackanti"), ptReco, track.pidForTracking());
}

if (pdg == particlePdgCodes.at(i) && decayType == 0) { // Particle
histomc.fill(HIST("histDeltaPtVsPtGen"), ptReco, deltaPt);
histomc.fill(HIST("histPIDtrack"), ptReco, track.pidForTracking());
}

// Fill mass²/z² for MC - separate for particles and anti-particles
if (track.hasTOF()) {
Expand All @@ -940,7 +953,7 @@
}
}

if (!skipHe4) {
if (!skipHe4 && decayType == 0) {
if (pdg > 0) {
histomc.fill(HIST("hMassVsPtMC"), ptReco, massSquareOverChargeSquare, collision.centFT0C());
} else {
Expand All @@ -949,19 +962,6 @@
}
}
}

// Delta Pt histograms
float ptGen = matchedMCParticle.pt();
float deltaPt = ptReco - ptGen;

if (pdg == -particlePdgCodes.at(i)) { // Anti-particle
histomc.fill(HIST("histDeltaPtVsPtGenanti"), ptReco, deltaPt);
histomc.fill(HIST("histPIDtrackanti"), ptReco, track.pidForTracking());
}
if (pdg == particlePdgCodes.at(i)) { // Particle
histomc.fill(HIST("histDeltaPtVsPtGen"), ptReco, deltaPt);
histomc.fill(HIST("histPIDtrack"), ptReco, track.pidForTracking());
}
}
}
break; // Found the matching collision, break out of collision loop
Expand Down Expand Up @@ -1131,7 +1131,7 @@
// ---- Primary particles ----
decayType = 0;
if (matchedMCParticle.has_mothers()) {
for (auto& motherparticle : matchedMCParticle.mothers_as<aod::McParticles>()) {

Check failure on line 1134 in PWGLF/Tasks/Nuspex/nucleitpcpbpb.cxx

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
if (std::find(hfMothCodes.begin(), hfMothCodes.end(), std::abs(motherparticle.pdgCode())) != hfMothCodes.end()) {
decayType = 1;
break;
Expand All @@ -1146,7 +1146,7 @@
decayType = 1;

// Check if it's from HF decay
for (auto& motherparticle : matchedMCParticle.mothers_as<aod::McParticles>()) {

Check failure on line 1149 in PWGLF/Tasks/Nuspex/nucleitpcpbpb.cxx

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
if (std::find(hfMothCodes.begin(), hfMothCodes.end(), std::abs(motherparticle.pdgCode())) != hfMothCodes.end()) {
break;
}
Expand All @@ -1169,7 +1169,7 @@
if (matchedMCParticle.isPhysicalPrimary()) {
histomc.fill(HIST("DCAxy_vs_pT_primary"), ptDCA, track.dcaXY(), collision.centFT0C());
}
if (decayType == 2) { // Transport/Material

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
histomc.fill(HIST("DCAxy_vs_pT_transport"), ptDCA, track.dcaXY(), collision.centFT0C());
} else if (decayType == 1) { // Weak decay (including HF)
histomc.fill(HIST("DCAxy_vs_pT_weakdecay"), ptDCA, track.dcaXY(), collision.centFT0C());
Expand Down
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