Skip to content

Fix indices in case of no mother in HF embedding generator #2498

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
stefanopolitano merged 1 commit into from
Oct 8, 2026
Merged

Fix indices in case of no mother in HF embedding generator #2498

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
20 changes: 10 additions & 10 deletions MC/config/PWGHF/external/generator/generator_pythia8_embed_hf.C
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -280,7 +280,7 @@ Bool_t importParticles() override

/// Establish if this particle comes from charm or beauty
/// If not, ignore this particle and increase the number of discarded particles from the pp event
if(!(nEvsHF == 0 && iPart < 1) && !isFromCharmOrBeauty(iPart, particlesHfEvent)) {
if(!isFromCharmOrBeauty(iPart, particlesHfEvent)) {
continue;
}
/// if we arrive here, then the current particle is from charm or beauty, keep it!
Expand Down Expand Up @@ -319,8 +319,8 @@ Bool_t importParticles() override
if(idLastMother != idFirstMotherOrig) {
idLastMother = findKey(mapHfParticles, idLastMother);
if(idLastMother < 0) {
// second mother not found, we set it to 0
idLastMother = 0;
// second mother not found, we set it to -1
idLastMother = -1;
}
} else {
/// idLastMother is equal to idFirstMother
Expand Down Expand Up @@ -352,10 +352,10 @@ Bool_t importParticles() override
foundAnyMother = true;
}
}
// set last mother to 0 if no mother has been found so far
// set last mother to -1 if no mother has been found so far
if (!foundAnyMother) {
idLastMother = 0;
idFirstMother = 0;
idLastMother = -1;
idFirstMother = -1;
}
}

Expand All @@ -364,10 +364,10 @@ Bool_t importParticles() override
idLastDaughter = findKey(mapHfParticles, idLastDaughter);

/// adjust the particle mother and daughter indices
particle.SetFirstMother((idFirstMother > 0) ? idFirstMother + offset : idFirstMother);
particle.SetLastMother((idLastMother > 0) ? idLastMother + offset : idLastMother);
particle.SetFirstDaughter((idFirstDaughter > 0) ? idFirstDaughter + offset : idFirstDaughter);
particle.SetLastDaughter((idLastDaughter > 0) ? idLastDaughter + offset : idLastDaughter);
particle.SetFirstMother((idFirstMother >= 0) ? idFirstMother + offset : idFirstMother);
particle.SetLastMother((idLastMother >= 0) ? idLastMother + offset : idLastMother);
particle.SetFirstDaughter((idFirstDaughter >= 0) ? idFirstDaughter + offset : idFirstDaughter);
particle.SetLastDaughter((idLastDaughter >= 0) ? idLastDaughter + offset : idLastDaughter);

/// copy inside this.mParticles from mGeneratorEvHF.mParticles, i.e. the particles generated in mGeneratorEvHF
mParticles.push_back(particle);
Expand Down
Loading