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[PWGJE] process functions for on-the-fly simulatioons #14610

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process functions for on-the-fly simulatioons
jaimenorman Jan 23, 2026
cca0c76
formatting
jaimenorman Jan 23, 2026
9aec7e9
histogram fix
jaimenorman Jan 23, 2026
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34 changes: 32 additions & 2 deletions PWGJE/Tasks/jetHadronRecoil.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -103,7 +103,7 @@
0.027, 0.03, 0.033, 0.036, 0.039, 0.042, 0.045, 0.048, 0.051, 0.054,
0.057, 0.06, 0.063, 0.066, 0.069, 0.072, 0.075, 0.078, 0.081, 0.084,
0.087, 0.09, 0.093, 0.096, 0.099, 0.102, 0.105, 0.108, 0.111, 0.114,
0.117, 0.12, 0.123, 0.126, 0.129, 0.132, 0.135, 0.138, 0.141, 0.144,

Check failure on line 106 in PWGJE/Tasks/jetHadronRecoil.cxx

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[pdg/explicit-mass] 

Avoid hard-coded particle masses. Use o2::constants::physics::Mass... instead.
0.147, 0.15, 0.153, 0.156, 0.159, 0.162, 0.165, 0.168, 0.171, 0.174,
0.177, 0.18, 0.183, 0.186, 0.189, 0.192, 0.195, 0.198, 0.201, 0.204,
0.207, 0.21, 0.213, 0.216, 0.219, 0.222, 0.225, 0.228, 0.231, 0.234,
Expand Down Expand Up @@ -143,7 +143,7 @@

registry.add("hZvtxSelected", "Z vertex position;Z_{vtx};entries", {HistType::kTH1F, {{80, -20, 20}}}, doSumw);

if (doprocessData || doprocessDataWithRhoSubtraction || doprocessMCD || doprocessMCDWithRhoSubtraction || doprocessMCDWeighted || doprocessMCDWeightedWithRhoSubtraction || doprocessMCP || doprocessMCPWeighted) {
if (doprocessData || doprocessDataWithRhoSubtraction || doprocessMCD || doprocessMCDWithRhoSubtraction || doprocessMCDWeighted || doprocessMCDWeightedWithRhoSubtraction || doprocessMCP || doprocessMCPWeighted || doprocessMCPOnTheFly || doprocessMCPOnTheFlyWeighted) {
registry.add("hNtrig", "number of triggers;trigger type;entries", {HistType::kTH1F, {{2, 0, 2}}}, doSumw);
registry.add("hSignalTriggersPtHard", "Signal triggers vs PtHard", {HistType::kTH1F, {pThatAxis}}, doSumw);
registry.add("hReferenceTriggersPtHard", "Reference triggers vs PtHard", {HistType::kTH1F, {pThatAxis}}, doSumw);
Expand Down Expand Up @@ -186,7 +186,7 @@
registry.add("hPtTrackMatchedToCollisions", "Track p_{T};p_{T};entries", {HistType::kTH1F, {{200, 0, 200}}}, doSumw);
}

if (doprocessMCP || doprocessMCPWeighted) {
if (doprocessMCP || doprocessMCPWeighted || doprocessMCPOnTheFly || doprocessMCPOnTheFlyWeighted) {
registry.add("hPartvsJets", "comparing leading particles and jets;p_{T,part};p_{T,jet};#hat{p}", {HistType::kTH3F, {{200, 0, 200}, {500, -100, 400}, {195, 5, 200}}}, doSumw);
registry.add("hPtPart", "Particle p_{T};p_{T};entries", {HistType::kTH1F, {{200, 0, 200}}}, doSumw);
registry.add("hEtaPart", "Particle #eta;#eta;entries", {HistType::kTH1F, {{100, -1.0, 1.0}}}, doSumw);
Expand Down Expand Up @@ -284,7 +284,7 @@
for (double shift = 0.0; shift <= 2.0; shift += 0.1) {
registry.fill(HIST("hRhoReferenceShift"), rho + shift, shift, weight);
}
registry.fill(HIST("hReferenceTriggersPtHard"), ptTT / pTHat, weight);

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
}
}
for (const auto& jet : jets) {
Expand Down Expand Up @@ -319,31 +319,31 @@
if (std::abs(dphi - o2::constants::math::PI) < 0.6) {
registry.fill(HIST("hDeltaRpTSignal"), jet.pt() - (rho * jet.area()), dR, weight);
registry.fill(HIST("hDeltaRSignal"), dR, weight);
}

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
registry.fill(HIST("hDeltaRpTDPhiSignal"), jet.pt() - (rho * jet.area()), dphi, dR, weight);
registry.fill(HIST("hSignalPtDPhi"), dphi, jet.pt() - (rho * jet.area()), weight);
if (std::abs(dphi - o2::constants::math::PI) < 0.6) {
registry.fill(HIST("hSignalPt"), jet.pt() - (rho * jet.area()), weight);
registry.fill(HIST("hSignalPtHard"), jet.pt() - (rho * jet.area()), ptTT / pTHat, weight);
}

Check failure on line 328 in PWGJE/Tasks/jetHadronRecoil.cxx

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
}
if (!isSigCol) {
if (std::abs(dphi - o2::constants::math::PI) < 0.6) {
registry.fill(HIST("hDeltaRpTReference"), jet.pt() - (rhoReference * jet.area()), dR, weight);
registry.fill(HIST("hDeltaRReference"), dR, weight);
}

Check failure on line 334 in PWGJE/Tasks/jetHadronRecoil.cxx

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
registry.fill(HIST("hDeltaRpTDPhiReference"), jet.pt() - (rhoReference * jet.area()), dphi, dR, weight);
for (double shift = 0.0; shift <= 2.0; shift += 0.1) {
registry.fill(HIST("hDeltaRpTDPhiReferenceShifts"), jet.pt() - ((rho + shift) * jet.area()), dphi, dR, shift, weight);
}
registry.fill(HIST("hReferencePtDPhi"), dphi, jet.pt() - (rhoReference * jet.area()), weight);

Check failure on line 339 in PWGJE/Tasks/jetHadronRecoil.cxx

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
for (double shift = 0.0; shift <= 2.0; shift += 0.1) {
registry.fill(HIST("hReferencePtDPhiShifts"), dphi, jet.pt() - ((rho + shift) * jet.area()), shift, weight);
}
if (std::abs(dphi - o2::constants::math::PI) < 0.6) {

Check failure on line 343 in PWGJE/Tasks/jetHadronRecoil.cxx

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
registry.fill(HIST("hReferencePt"), jet.pt() - (rhoReference * jet.area()), weight);
registry.fill(HIST("hReferencePtHard"), jet.pt() - (rhoReference * jet.area()), ptTT / pTHat, weight);
}

Check failure on line 346 in PWGJE/Tasks/jetHadronRecoil.cxx

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
}
}
}
Expand Down Expand Up @@ -426,7 +426,7 @@
for (double shift = 0.0; shift <= 2.0; shift += 0.1) {
registry.fill(HIST("hRhoReferenceShift"), rho + shift, shift, weight);
}
registry.fill(HIST("hReferenceTriggersPtHard"), ptTT / pTHat, weight);

Check failure on line 429 in PWGJE/Tasks/jetHadronRecoil.cxx

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
}
}
for (const auto& jet : jets) {
Expand Down Expand Up @@ -923,6 +923,36 @@
}
PROCESS_SWITCH(JetHadronRecoil, processMCPWeighted, "process MC particle level with event weights", false);

void processMCPOnTheFly(aod::JetMcCollision const& mccollision,
soa::Filtered<soa::Join<aod::ChargedMCParticleLevelJets, aod::ChargedMCParticleLevelJetConstituents>> const& jets,
soa::Filtered<aod::JetParticles> const& particles)
{
if (std::abs(mccollision.posZ()) > vertexZCut) {
return;
}
if (mccollision.ptHard() < pTHatMinEvent) {
return;
}
registry.fill(HIST("hZvtxSelected"), mccollision.posZ());
fillMCPHistograms(jets, particles, 1.0, mccollision.ptHard());
}
PROCESS_SWITCH(JetHadronRecoil, processMCPOnTheFly, "process MC particle level for on-the-fly simulations", false);

void processMCPOnTheFlyWeighted(aod::JetMcCollision const& mccollision,
soa::Filtered<soa::Join<aod::ChargedMCParticleLevelJets, aod::ChargedMCParticleLevelJetConstituents>> const& jets,
soa::Filtered<aod::JetParticles> const& particles)
{
if (std::abs(mccollision.posZ()) > vertexZCut) {
return;
}
if (mccollision.ptHard() < pTHatMinEvent) {
return;
}
registry.fill(HIST("hZvtxSelected"), mccollision.posZ(), mccollision.weight());
fillMCPHistograms(jets, particles, mccollision.weight(), mccollision.ptHard());
}
PROCESS_SWITCH(JetHadronRecoil, processMCPOnTheFlyWeighted, "process MC particle level for on-the-fly simulations with event weights", false);

void processJetsMCPMCDMatched(aod::JetMcCollisions::iterator const& mccollision,
soa::SmallGroups<aod::JetCollisionsMCD> const& collisions,
soa::Filtered<soa::Join<aod::ChargedMCDetectorLevelJets, aod::ChargedMCDetectorLevelJetConstituents, aod::ChargedMCDetectorLevelJetsMatchedToChargedMCParticleLevelJets>> const& mcdjets,
Expand Down Expand Up @@ -1145,7 +1175,7 @@
registry.fill(HIST("hZvtxSelected"), mccollision.posZ(), mccollision.weight());
fillRecoilJetMatchedHistograms(mcdjets, mcpjets, tracks, particles, mccollision.weight(), mccollision.rho(), mccollision.ptHard());
}
PROCESS_SWITCH(JetHadronRecoil, processRecoilJetsMCPMCDMatchedWeightedWithRhoSubtraction, "process MC matched with event weights (recoil jets) and rho subtraction", false);

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.

template <typename T, typename X>
double getWTAaxisDifference(T const& jet, X const& /*tracks or particles*/)
Expand Down
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