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[Data model] add expected times #13454

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Sep 2, 2024
Merged

[Data model] add expected times #13454

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261a629
[Data model] add expected times
njacazio Aug 29, 2024
cca8c18
Use physics constants
njacazio Aug 29, 2024
7d89a7f
Use std
njacazio Aug 29, 2024
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10 changes: 8 additions & 2 deletions Common/Constants/include/CommonConstants/PhysicsConstants.h
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Original file line number Diff line number Diff line change
Expand Up @@ -193,8 +193,14 @@ constexpr double MassLambda = MassLambda0;
constexpr double MassHyperhydrog4 = MassHyperHydrogen4;
constexpr double MassHyperhelium4 = MassHyperHelium4;

constexpr float LightSpeedCm2S = 299792458.e2; // C in cm/s
constexpr float LightSpeedCm2NS = LightSpeedCm2S * 1e-9; // C in cm/ns
// Light speed
constexpr float LightSpeedCm2S = 299792458.e2; // C in cm/s
constexpr float LightSpeedCm2NS = LightSpeedCm2S * 1e-9; // C in cm/ns
constexpr float LightSpeedCm2PS = LightSpeedCm2S * 1e-12; // C in cm/ps

// Light speed inverse
constexpr float invLightSpeedCm2PS = 1. / LightSpeedCm2PS; // 1/C in ps/cm

} // namespace o2::constants::physics

#endif
43 changes: 43 additions & 0 deletions Framework/Core/include/Framework/AnalysisDataModel.h
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Expand Up @@ -266,6 +266,41 @@ DECLARE_SOA_EXPRESSION_COLUMN(DetectorMap, detectorMap, uint8_t, //! Detector ma
ifnode(aod::track::trdPattern > (uint8_t)0, static_cast<uint8_t>(o2::aod::track::TRD), (uint8_t)0x0) |
ifnode((aod::track::tofChi2 >= 0.f) && (aod::track::tofExpMom > 0.f), static_cast<uint8_t>(o2::aod::track::TOF), (uint8_t)0x0));

DECLARE_SOA_DYNAMIC_COLUMN(TOFExpTime, tofExpTime, //! Expected time for the track to reach the TOF
[](float length, float tofExpMom, float mMassZSqared) -> float {
if (tofExpMom <= 0.f) {
return -999.f;
}
return length * std::sqrt((mMassZSqared) + (tofExpMom * tofExpMom)) / (o2::constants::physics::LightSpeedCm2PS * tofExpMom);
});

DECLARE_SOA_DYNAMIC_COLUMN(TOFExpTimePi, tofExpTimePi, //! Expected time for the track to reach the TOF under the pion hypothesis
[](float length, float tofExpMom) -> float {
if (tofExpMom <= 0.f) {
return -999.f;
}
constexpr float mMassZSqared = o2::constants::physics::MassPionCharged * o2::constants::physics::MassPionCharged;
return length * std::sqrt((mMassZSqared) + (tofExpMom * tofExpMom)) / (o2::constants::physics::LightSpeedCm2PS * tofExpMom);
});

DECLARE_SOA_DYNAMIC_COLUMN(TOFExpTimeKa, tofExpTimeKa, //! Expected time for the track to reach the TOF under the kaon hypothesis
[](float length, float tofExpMom) -> float {
if (tofExpMom <= 0.f) {
return -999.f;
}
constexpr float mMassZSqared = o2::constants::physics::MassKaonCharged * o2::constants::physics::MassKaonCharged;
return length * std::sqrt((mMassZSqared) + (tofExpMom * tofExpMom)) / (o2::constants::physics::LightSpeedCm2PS * tofExpMom);
});

DECLARE_SOA_DYNAMIC_COLUMN(TOFExpTimePr, tofExpTimePr, //! Expected time for the track to reach the TOF under the proton hypothesis
[](float length, float tofExpMom) -> float {
if (tofExpMom <= 0.f) {
return -999.f;
}
constexpr float mMassZSqared = o2::constants::physics::MassProton * o2::constants::physics::MassProton;
return length * std::sqrt((mMassZSqared) + (tofExpMom * tofExpMom)) / (o2::constants::physics::LightSpeedCm2PS * tofExpMom);
});

namespace v001
{
DECLARE_SOA_EXPRESSION_COLUMN(DetectorMap, detectorMap, uint8_t, //! Detector map version 1, see enum DetectorMapEnum
Expand Down Expand Up @@ -500,6 +535,10 @@ DECLARE_SOA_TABLE_FULL(StoredTracksExtra_000, "TracksExtra", "AOD", "TRACKEXTRA"
track::HasTRD<track::DetectorMap>, track::HasTOF<track::DetectorMap>,
track::TPCNClsFound<track::TPCNClsFindable, track::TPCNClsFindableMinusFound>,
track::TPCNClsCrossedRows<track::TPCNClsFindable, track::TPCNClsFindableMinusCrossedRows>,
track::TOFExpTime<track::Length, track::TOFExpMom>,
track::TOFExpTimePi<track::Length, track::TOFExpMom>,
track::TOFExpTimeKa<track::Length, track::TOFExpMom>,
track::TOFExpTimePr<track::Length, track::TOFExpMom>,
track::ITSNCls<track::ITSClusterMap>, track::ITSNClsInnerBarrel<track::ITSClusterMap>,
track::TPCCrossedRowsOverFindableCls<track::TPCNClsFindable, track::TPCNClsFindableMinusCrossedRows>,
track::TPCFoundOverFindableCls<track::TPCNClsFindable, track::TPCNClsFindableMinusFound>,
Expand All @@ -521,6 +560,10 @@ DECLARE_SOA_TABLE_FULL_VERSIONED(StoredTracksExtra_001, "TracksExtra", "AOD", "T
track::v001::ITSClusterMap<track::ITSClusterSizes>, track::v001::ITSNCls<track::ITSClusterSizes>, track::v001::ITSNClsInnerBarrel<track::ITSClusterSizes>,
track::v001::ITSClsSizeInLayer<track::ITSClusterSizes>,
track::v001::IsITSAfterburner<track::v001::DetectorMap, track::ITSChi2NCl>,
track::TOFExpTime<track::Length, track::TOFExpMom>,
track::TOFExpTimePi<track::Length, track::TOFExpMom>,
track::TOFExpTimeKa<track::Length, track::TOFExpMom>,
track::TOFExpTimePr<track::Length, track::TOFExpMom>,
track::TPCCrossedRowsOverFindableCls<track::TPCNClsFindable, track::TPCNClsFindableMinusCrossedRows>,
track::TPCFoundOverFindableCls<track::TPCNClsFindable, track::TPCNClsFindableMinusFound>,
track::TPCFractionSharedCls<track::TPCNClsShared, track::TPCNClsFindable, track::TPCNClsFindableMinusFound>,
Expand Down
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