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[PWGHF] Add mini tree for 2-prong masses in Ds task #17061

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Merged
fgrosa merged 4 commits into from
Jul 14, 2026
+60 −3
Merged

[PWGHF] Add mini tree for 2-prong masses in Ds task #17061

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9206688
Add mini tree for 2-prong masses in Ds task
fgrosa Jul 14, 2026
c1a766d
Add missing namespace
fgrosa Jul 14, 2026
8547d42
Remove variable from table filling
fgrosa Jul 14, 2026
7f4430c
Add missing namespace
fgrosa Jul 14, 2026
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24 changes: 24 additions & 0 deletions PWGHF/Core/HfHelper.h
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Original file line number Diff line number Diff line change
Expand Up @@ -271,6 +271,30 @@ struct HfHelper {
return RecoDecay::m(std::array{candidate.pVectorProng1(), candidate.pVectorProng2()}, std::array{o2::constants::physics::MassKPlus, o2::constants::physics::MassKPlus});
}

template <typename T>
static auto massKFirstPiPairDsToKKPi(const T& candidate)
{
return RecoDecay::m(std::array{candidate.pVectorProng0(), candidate.pVectorProng2()}, std::array{o2::constants::physics::MassKPlus, o2::constants::physics::MassPiPlus});
}

template <typename T>
static auto massKFirstPiPairDsToPiKK(const T& candidate)
{
return RecoDecay::m(std::array{candidate.pVectorProng0(), candidate.pVectorProng2()}, std::array{o2::constants::physics::MassPiPlus, o2::constants::physics::MassKPlus});
}

template <typename T>
static auto massKSecondPiPairDsToKKPi(const T& candidate)
{
return RecoDecay::m(std::array{candidate.pVectorProng1(), candidate.pVectorProng2()}, std::array{o2::constants::physics::MassKPlus, o2::constants::physics::MassPiPlus});
}

template <typename T>
static auto massKSecondPiPairDsToPiKK(const T& candidate)
{
return RecoDecay::m(std::array{candidate.pVectorProng0(), candidate.pVectorProng1()}, std::array{o2::constants::physics::MassPiPlus, o2::constants::physics::MassKPlus});
}

template <typename T>
static auto deltaMassPhiDsToKKPi(const T& candidate)
{
Expand Down
39 changes: 36 additions & 3 deletions PWGHF/D2H/Tasks/taskDs.cxx
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Expand Up @@ -98,7 +98,10 @@ namespace o2::aod
namespace hf_cand_ds_mini
{
DECLARE_SOA_COLUMN(Pt, pt, float); //! Transverse momentum of D-meson candidate (GeV/c)
DECLARE_SOA_COLUMN(M, m, float); //! Invariant mass of D-meson candidates (GeV/c)
DECLARE_SOA_COLUMN(M, m, float); //! Invariant mass of D-meson candidates (GeV/c2)
DECLARE_SOA_COLUMN(MassKaKa, massKaKa, float); //! Invariant mass of kaon pairs (GeV/c2)
DECLARE_SOA_COLUMN(MassKaFirstPi, massKaFirstPi, float); //! Invariant mass of kaon(first) pion (GeV/c2)
DECLARE_SOA_COLUMN(MassKaSecondPi, massKaSecondPi, float); //! Invariant mass of kaon(second) pion (GeV/c2)
DECLARE_SOA_COLUMN(Centrality, centrality, float); //! Centrality of collision
DECLARE_SOA_COLUMN(ImpactParameter, impactParameter, float); //! Impact parameter of D-meson candidate
DECLARE_SOA_COLUMN(ImpactParameterMc, impactParameterMc, float); //! Generated impact parameter of D-meson candidate
Expand All @@ -114,6 +117,11 @@ DECLARE_SOA_TABLE(HfCandDsMinis, "AOD", "HFDSMINI", //! Table with few Ds proper
hf_cand_ds_mini::Pt,
hf_cand_ds_mini::Centrality);

DECLARE_SOA_TABLE(HfCandDsMassMinis, "AOD", "HFDSMASSMINI", //! Table with Ds 2-prong masses
hf_cand_ds_mini::MassKaKa,
hf_cand_ds_mini::MassKaFirstPi,
hf_cand_ds_mini::MassKaSecondPi);

DECLARE_SOA_TABLE(HfCandDsDlMinis, "AOD", "HFDSDLMINI", //! Table with decay length Ds properties
hf_cand_ds_mini::DecayLength,
hf_cand_ds_mini::DecayLengthXY,
Expand Down Expand Up @@ -142,6 +150,7 @@ concept HasDsMlInfo = requires(T candidate) {
/// Ds± analysis task
struct HfTaskDs {
Produces<aod::HfCandDsMinis> hfCandDsMinis;
Produces<aod::HfCandDsMassMinis> hfCandDsMassMinis;
Produces<aod::HfCandDsDlMinis> hfCandDsDlMinis;
Produces<aod::HfCandDsD0Minis> hfCandDsD0Minis;
Produces<aod::HfCandDsMcMinis> hfCandDsMcMinis;
Expand Down Expand Up @@ -592,10 +601,22 @@ struct HfTaskDs {
template <typename Coll, typename Cand>
void fillMiniTrees(const Cand& candidate, FinalState finalState)
{
auto mass = finalState == FinalState::KKPi ? HfHelper::invMassDsToKKPi(candidate) : HfHelper::invMassDsToPiKK(candidate);
float mass{-1.f}, massKaKa{-1.f}, massKaFirstPi{-1.f}, massKaSecondPi{-1.f};
if (finalState == FinalState::KKPi) {
mass = HfHelper::invMassDsToKKPi(candidate);
massKaKa = HfHelper::massKKPairDsToKKPi(candidate);
massKaFirstPi = HfHelper::massKFirstPiPairDsToKKPi(candidate);
massKaSecondPi = HfHelper::massKSecondPiPairDsToKKPi(candidate);
} else {
mass = HfHelper::invMassDsToPiKK(candidate);
massKaKa = HfHelper::massKKPairDsToPiKK(candidate);
massKaFirstPi = HfHelper::massKFirstPiPairDsToPiKK(candidate);
massKaSecondPi = HfHelper::massKSecondPiPairDsToPiKK(candidate);
}
auto pt = candidate.pt();

hfCandDsMinis(mass, pt, evaluateCentralityCand<Coll>(candidate));
hfCandDsMassMinis(massKaKa, massKaFirstPi, massKaSecondPi);
if (miniTrees.extendWithDecayLength) {
hfCandDsDlMinis(candidate.decayLength(), candidate.decayLengthXY(), candidate.decayLengthNormalised(), candidate.decayLengthXYNormalised());
}
Expand All @@ -607,10 +628,22 @@ struct HfTaskDs {
template <typename Coll, typename Cand>
void fillMiniTreesMc(const Cand& candidate, DataType dataType, FinalState finalState, const CandDsMcGen& mcParticles, int indexMother)
{
auto mass = finalState == FinalState::KKPi ? HfHelper::invMassDsToKKPi(candidate) : HfHelper::invMassDsToPiKK(candidate);
float mass{-1.f}, massKaKa{-1.f}, massKaFirstPi{-1.f}, massKaSecondPi{-1.f};
if (finalState == FinalState::KKPi) {
mass = HfHelper::invMassDsToKKPi(candidate);
massKaKa = HfHelper::massKKPairDsToKKPi(candidate);
massKaFirstPi = HfHelper::massKFirstPiPairDsToKKPi(candidate);
massKaSecondPi = HfHelper::massKSecondPiPairDsToKKPi(candidate);
} else {
mass = HfHelper::invMassDsToPiKK(candidate);
massKaKa = HfHelper::massKKPairDsToPiKK(candidate);
massKaFirstPi = HfHelper::massKFirstPiPairDsToPiKK(candidate);
massKaSecondPi = HfHelper::massKSecondPiPairDsToPiKK(candidate);
}
auto pt = candidate.pt();

hfCandDsMinis(mass, pt, evaluateCentralityCand<Coll>(candidate));
hfCandDsMassMinis(massKaKa, massKaFirstPi, massKaSecondPi);
if (miniTrees.extendWithDecayLength) {
hfCandDsDlMinis(candidate.decayLength(), candidate.decayLengthXY(), candidate.decayLengthNormalised(), candidate.decayLengthXYNormalised());
}
Expand Down
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