Skip to content

[PWGCF] lambda R2 correlation update for on the fly MC #18415

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
wenyaCern merged 1 commit into from
Oct 22, 2026
Merged

[PWGCF] lambda R2 correlation update for on the fly MC #18415

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
29 changes: 28 additions & 1 deletion PWGCF/TwoParticleCorrelations/Tasks/lambdaR2Correlation.cxx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -926,7 +926,34 @@ struct LambdaTableProducer {

void processMCGen(aod::McCollisions::iterator const& mcCollision, aod::McParticles const& mcParticles)
{
fillLambdaMcGenTables(mcCollision, mcParticles);
// Fill McGen Collision Table
lambdaMCGenCollisionTable(cent, mcCollision.posX(), mcCollision.posY(), mcCollision.posZ());

// initialize track objects
ParticleType partType = kLambda;

// Loop over MC particles
for (auto const& mcpart : mcParticles) {
// Check for Primary Lambda/Anti-Lambda
if (mcpart.isPhysicalPrimary() && mcpart.pdgCode() == kLambda0) {
partType = kLambda;
} else if (mcpart.isPhysicalPrimary() && mcpart.pdgCode() == kLambda0Bar) {
partType = kAntiLambda;
} else {
continue;
}

// Kinematic selection
if (mcpart.pt() <= cLambdaMinPt || mcpart.pt() >= cLambdaMaxPt || std::abs(mcpart.y()) >= cLambdaRapCut) {
continue;
}

histos.fill(HIST("Tracks/h1f_lambda_info"), kGenTotAccLambda);

// Fill table
lambdaMCGenTrackTable(lambdaMCGenCollisionTable.lastIndex(), mcpart.pt(), mcpart.eta(), mcpart.phi(), mcpart.y(), mcpart.px(), mcpart.py(), mcpart.pz(), RecoDecay::m(mcpart.p(), mcpart.e()),
-1, -1, (int8_t)partType, 1.);
}
}

PROCESS_SWITCH(LambdaTableProducer, processMCGen, "Process for MC Gen", false);
Expand Down
Loading