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[PWGCF] FemtoUniverse v0 task -- implemented strangenessTOF for V0 analysis #13552

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Merged
prchakra merged 1 commit into from
Oct 25, 2025
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[PWGCF] FemtoUniverse v0 task -- implemented strangenessTOF for V0 analysis #13552

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79 changes: 60 additions & 19 deletions PWGCF/FemtoUniverse/TableProducer/femtoUniverseProducerTask.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -55,7 +55,7 @@
#include <CCDB/BasicCCDBManager.h>

#include "Math/Vector4D.h"
#include "TLorentzVector.h"

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[root/lorentz-vector] 

Do not use the TLorentzVector legacy class. Use std::array with RecoDecay methods or the ROOT::Math::LorentzVector template instead.
#include "TMath.h"
#include <TPDGCode.h>

Expand Down Expand Up @@ -465,7 +465,7 @@
{
static const o2::track::PID pids[] = {o2::track::PID::Proton, o2::track::PID::Pion, o2::track::PID::Kaon};
aod::femtouniverseparticle::CutContainerType mask = 0u;
for (UInt_t i = 0; i < 3; ++i) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
if (isNSigmaTPC(trackCuts.getNsigmaTPC(track, pids[i])))
mask |= (1u << i);
if (isNSigmaTOF(track.p(), trackCuts.getNsigmaTOF(track, pids[i]), track.hasTOF()))
Expand All @@ -479,14 +479,39 @@
}

template <class T>
using hasStrangeTOF = decltype(std::declval<T&>().tofNSigmaXiLaPi());
using hasStrangeTOFinV0 = decltype(std::declval<T&>().tofNSigmaLaPr());

/// bitmask to save strangeness TOF for V0 analysis
template <typename V0Type>
aod::femtouniverseparticle::CutContainerType PIDStrangeTOFBitmaskV0(const V0Type& v0)
{
aod::femtouniverseparticle::CutContainerType mask = 0u;
if constexpr (std::experimental::is_detected<hasStrangeTOFinV0, V0Type>::value) {
if (v0.tofNSigmaLaPr() < ConfPIDBitmask.confNsigmaTOFParticleChild)
mask |= (1u);
if (v0.tofNSigmaLaPi() < ConfPIDBitmask.confNsigmaTOFParticleChild)
mask |= (2u);
if (v0.tofNSigmaALaPr() < ConfPIDBitmask.confNsigmaTOFParticleChild)
mask |= (4u);
if (v0.tofNSigmaALaPi() < ConfPIDBitmask.confNsigmaTOFParticleChild)
mask |= (8u);
if (v0.tofNSigmaK0PiPlus() < ConfPIDBitmask.confNsigmaTOFParticleChild)
mask |= (16u);
if (v0.tofNSigmaK0PiMinus() < ConfPIDBitmask.confNsigmaTOFParticleChild)
mask |= (32u);
}
return mask;
}

template <class T>
using hasStrangeTOFinCasc = decltype(std::declval<T&>().tofNSigmaXiLaPi());

/// bitmask to save strangeness TOF for cascade analysis
template <typename CascType>
aod::femtouniverseparticle::CutContainerType PIDStrangeTOFBitmask(const CascType& casc)
aod::femtouniverseparticle::CutContainerType PIDStrangeTOFBitmaskCasc(const CascType& casc)
{
aod::femtouniverseparticle::CutContainerType mask = 0u;
if constexpr (std::experimental::is_detected<hasStrangeTOF, CascType>::value) {
if constexpr (std::experimental::is_detected<hasStrangeTOFinCasc, CascType>::value) {
if (casc.tofNSigmaXiLaPi() < ConfPIDBitmask.confNsigmaTOFParticleChild)
mask |= (1u);
if (casc.tofNSigmaXiLaPr() < ConfPIDBitmask.confNsigmaTOFParticleChild)
Expand Down Expand Up @@ -718,18 +743,34 @@
void fillDebugParticle(ParticleType const& particle)
{
if constexpr (isTrackOrV0) {
outputDebugParts(particle.sign(), (uint8_t)particle.tpcNClsFound(),
particle.tpcNClsFindable(),
(uint8_t)particle.tpcNClsCrossedRows(),
particle.tpcNClsShared(), particle.tpcFractionSharedCls(), particle.tpcInnerParam(),
particle.itsNCls(), particle.itsNClsInnerBarrel(),
particle.dcaXY(), particle.dcaZ(), particle.tpcSignal(),
particle.tpcNSigmaStoreEl(), particle.tpcNSigmaStorePi(),
particle.tpcNSigmaStoreKa(), particle.tpcNSigmaStorePr(),
particle.tpcNSigmaStoreDe(), particle.tofNSigmaStoreEl(),
particle.tofNSigmaStorePi(), particle.tofNSigmaStoreKa(),
particle.tofNSigmaStorePr(), particle.tofNSigmaStoreDe(),
-999., -999., -999., -999., -999., -999.);
if constexpr (std::experimental::is_detected<hasStrangeTOFinV0, ParticleType>::value) {
outputDebugParts(particle.sign(), (uint8_t)particle.tpcNClsFound(),
particle.tpcNClsFindable(),
(uint8_t)particle.tpcNClsCrossedRows(),
particle.tpcNClsShared(), particle.tpcFractionSharedCls(), particle.tpcInnerParam(),
particle.itsNCls(), particle.itsNClsInnerBarrel(),
particle.dcaXY(), particle.dcaZ(), particle.tpcSignal(),
particle.tpcNSigmaStoreEl(), particle.tpcNSigmaStorePi(),
particle.tpcNSigmaStoreKa(), particle.tpcNSigmaStorePr(),
particle.tpcNSigmaStoreDe(), particle.tofNSigmaStoreEl(),
particle.tofNSigmaStorePi(), particle.tofNSigmaStoreKa(),
particle.tofNSigmaStorePr(), particle.tofNSigmaStoreDe(),
particle.tofNSigmaLaPr(), particle.tofNSigmaLaPi(), particle.tofNSigmaALaPr(),
particle.tofNSigmaALaPi(), particle.tofNSigmaK0PiPlus(), particle.tofNSigmaK0PiMinus());
} else {
outputDebugParts(particle.sign(), (uint8_t)particle.tpcNClsFound(),
particle.tpcNClsFindable(),
(uint8_t)particle.tpcNClsCrossedRows(),
particle.tpcNClsShared(), particle.tpcFractionSharedCls(), particle.tpcInnerParam(),
particle.itsNCls(), particle.itsNClsInnerBarrel(),
particle.dcaXY(), particle.dcaZ(), particle.tpcSignal(),
particle.tpcNSigmaStoreEl(), particle.tpcNSigmaStorePi(),
particle.tpcNSigmaStoreKa(), particle.tpcNSigmaStorePr(),
particle.tpcNSigmaStoreDe(), particle.tofNSigmaStoreEl(),
particle.tofNSigmaStorePi(), particle.tofNSigmaStoreKa(),
particle.tofNSigmaStorePr(), particle.tofNSigmaStoreDe(),
-999., -999., -999., -999., -999., -999.);
}
} else if constexpr (isPhiOrD0) {
outputDebugParts(-999., -999., -999., -999., -999., -999., -999., -999., -999.,
-999., -999., -999., -999., -999., -999., -999., -999.,
Expand All @@ -738,7 +779,7 @@
-999., -999., -999.,
-999.); // QA for phi or D0/D0bar children
} else if constexpr (isCasc) {
if constexpr (std::experimental::is_detected<hasStrangeTOF, ParticleType>::value) {
if constexpr (std::experimental::is_detected<hasStrangeTOFinCasc, ParticleType>::value) {
outputDebugParts(-999., -999., -999., -999., -999., -999., -999., -999., -999.,
-999., -999., -999., -999., -999., -999., -999., particle.tofNSigmaXiLaPi(),
particle.tofNSigmaXiLaPr(), particle.tofNSigmaXiPi(), particle.tofNSigmaOmLaPi(),
Expand Down Expand Up @@ -955,8 +996,8 @@
phiOrigin = aod::femtouniverse_mc_particle::ParticleOriginMCTruth::kFake;
}

TLorentzVector part1Vec;

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[root/lorentz-vector] 

Do not use the TLorentzVector legacy class. Use std::array with RecoDecay methods or the ROOT::Math::LorentzVector template instead.
TLorentzVector part2Vec;

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[root/lorentz-vector] 

Do not use the TLorentzVector legacy class. Use std::array with RecoDecay methods or the ROOT::Math::LorentzVector template instead.

const auto mMassOne = o2::constants::physics::MassKPlus; // FIXME: Get from the PDG service of the common header
const auto mMassTwo = o2::constants::physics::MassKMinus; // FIXME: Get from the PDG service of the common header
Expand All @@ -964,7 +1005,7 @@
part1Vec.SetPtEtaPhiM(kaon1MC.pt(), kaon1MC.eta(), kaon1MC.phi(), mMassOne);
part2Vec.SetPtEtaPhiM(kaon2MC.pt(), kaon2MC.eta(), kaon2MC.phi(), mMassTwo);

TLorentzVector sumVec(part1Vec);

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[root/lorentz-vector] 

Do not use the TLorentzVector legacy class. Use std::array with RecoDecay methods or the ROOT::Math::LorentzVector template instead.
sumVec += part2Vec;

float phiEta = sumVec.Eta();
Expand Down Expand Up @@ -1277,7 +1318,7 @@
v0.phi(),
aod::femtouniverseparticle::ParticleType::kV0,
cutContainerV0.at(femto_universe_v0_selection::V0ContainerPosition::kV0),
0,
PIDStrangeTOFBitmaskV0(v0),
v0.v0cosPA(),
indexChildID,
v0.mLambda(),
Expand Down Expand Up @@ -1489,7 +1530,7 @@
casc.phi(),
aod::femtouniverseparticle::ParticleType::kCascade,
0,
PIDStrangeTOFBitmask(casc),
PIDStrangeTOFBitmaskCasc(casc),
0,
indexCascChildID,
casc.mXi(),
Expand Down Expand Up @@ -1951,8 +1992,8 @@
continue;
}

TLorentzVector part1Vec;

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[root/lorentz-vector] 

Do not use the TLorentzVector legacy class. Use std::array with RecoDecay methods or the ROOT::Math::LorentzVector template instead.
TLorentzVector part2Vec;

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[root/lorentz-vector] 

Do not use the TLorentzVector legacy class. Use std::array with RecoDecay methods or the ROOT::Math::LorentzVector template instead.

const auto mMassOne = o2::constants::physics::MassKPlus; // FIXME: Get from the PDG service of the common header
const auto mMassTwo = o2::constants::physics::MassKMinus; // FIXME: Get from the PDG service of the common header
Expand All @@ -1960,7 +2001,7 @@
part1Vec.SetPtEtaPhiM(p1.pt(), p1.eta(), p1.phi(), mMassOne);
part2Vec.SetPtEtaPhiM(p2.pt(), p2.eta(), p2.phi(), mMassTwo);

TLorentzVector sumVec(part1Vec);

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[root/lorentz-vector] 

Do not use the TLorentzVector legacy class. Use std::array with RecoDecay methods or the ROOT::Math::LorentzVector template instead.
sumVec += part2Vec;

float phiEta = sumVec.Eta();
Expand Down Expand Up @@ -2311,7 +2352,7 @@
void processTrackV0Cascade(aod::FemtoFullCollision const& col,
aod::BCsWithTimestamps const&,
soa::Filtered<aod::FemtoFullTracks> const& tracks,
o2::aod::V0Datas const& fullV0s,
soa::Join<o2::aod::V0Datas, o2::aod::V0TOFNSigmas> const& fullV0s,
soa::Join<o2::aod::CascDatas, o2::aod::CascTOFNSigmas> const& fullCascades)
{
getMagneticFieldTesla(col.bc_as<aod::BCsWithTimestamps>());
Expand Down
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