Skip to content

[PWGCF] Fix PID logic for sigma plus #13788

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
ariedel-cern merged 2 commits into from
Nov 13, 2025
Merged

[PWGCF] Fix PID logic for sigma plus #13788

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
40e3dc9
Fix: PID logic for sigma plus builder
Nov 10, 2025
31f6672
Fix: PID logic for sigma plus
Nov 11, 2025
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
12 changes: 7 additions & 5 deletions PWGCF/Femto/Core/kinkBuilder.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -88,7 +88,7 @@ struct ConfSigmaPlusBits : o2::framework::ConfigurableGroup {
std::string prefix = std::string("SigmaPlusBits");
KINK_DEFAULT_BITS
o2::framework::Configurable<std::vector<float>> chaDauTpcProton{"chaDauTpcProton", {5.f}, "Maximum |nsigma_Proton| TPC for charged daughter tracks"};
o2::framework::Configurable<std::vector<float>> chaDauTpctofProton{"chaDauTpctofProton", {5.f}, "Maximum combined |nsigma_Proton| (TPC+TOF) for charged daughter tracks"};
o2::framework::Configurable<std::vector<float>> chaDauTofProton{"chaDauTofProton", {5.f}, "Maximum combined |nsigma_Proton| (TPC+TOF) for charged daughter tracks"};
o2::framework::Configurable<float> pidThres{"pidThres", 0.75f, "Momentum threshold for using TOF/combined pid for daughter tracks (GeV/c)"};
};

Expand Down Expand Up @@ -146,7 +146,7 @@ enum KinkSeles {

kChaDaughTpcPion,
kChaDaughTpcProton,
kChaDaughTpctofProton,
kChaDaughTofProton,

kAlphaAPMin,
kAlphaAPMax,
Expand All @@ -167,7 +167,7 @@ const std::unordered_map<KinkSeles, std::string> kinkSelsToStrings = {
{kMothDcaPvMax, "mothDcaPvMax"},
{kChaDaughTpcPion, "chaDauTpcPion"},
{kChaDaughTpcProton, "chaDauTpcProton"},
{kChaDaughTpctofProton, "chaDauTpctofProton"},
{kChaDaughTofProton, "chaDauTofProton"},
{kAlphaAPMin, "alphaAPMin"},
{kAlphaAPMax, "alphaAPMax"},
{kQtAPMin, "qtAPMin"},
Expand Down Expand Up @@ -205,7 +205,7 @@ class KinkSelection : public BaseSelection<float, o2::aod::femtodatatypes::KinkM
mMassSigmaPlusUpperLimit = filter.massMaxSigmaPlus.value;
mPidThreshold = config.pidThres.value;
this->addSelection(config.chaDauTpcProton.value, kChaDaughTpcProton, limits::kAbsUpperLimit, true, true);
this->addSelection(config.chaDauTpctofProton.value, kChaDaughTpctofProton, limits::kUpperLimit, true, true);
this->addSelection(config.chaDauTofProton.value, kChaDaughTofProton, limits::kUpperLimit, true, true);
}

this->addSelection(config.kinkTopoDcaMax.value, kKinkTopoDcaMax, limits::kUpperLimit, true, true);
Expand Down Expand Up @@ -279,7 +279,9 @@ class KinkSelection : public BaseSelection<float, o2::aod::femtodatatypes::KinkM
this->evaluateObservable(kChaDaughTpcProton, chaDaughter.tpcNSigmaPr());
} else {
if (chaDaughter.hasTOF()) {
this->evaluateObservable(kChaDaughTpctofProton, std::hypot(chaDaughter.tpcNSigmaPr(), chaDaughter.tofNSigmaPr()));
this->evaluateObservable(kChaDaughTofProton, std::abs(chaDaughter.tofNSigmaPr()));
} else {
this->evaluateObservable(kChaDaughTofProton, 999.f);
}
}
}
Expand Down
Loading