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[PWGDQ] update AcrossTFMixing for polarization #16932

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[PWGDQ] update AcrossTFMixing for polarization #16932

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20 changes: 20 additions & 0 deletions PWGDQ/Core/VarManager.h
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Original file line number Diff line number Diff line change
Expand Up @@ -1874,9 +1874,9 @@
}
if constexpr ((fillMap & MuonCov) > 0 || (fillMap & ReducedMuonCov) > 0) {
o2::dataformats::GlobalFwdTrack propmuon = PropagateMuon(muontrack, collision);
double px = propmuon.getP() * sin(M_PI / 2 - atan(mfttrack.tgl())) * cos(mfttrack.phi());

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double py = propmuon.getP() * sin(M_PI / 2 - atan(mfttrack.tgl())) * sin(mfttrack.phi());

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double pz = propmuon.getP() * cos(M_PI / 2 - atan(mfttrack.tgl()));

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double pt = std::sqrt(std::pow(px, 2) + std::pow(py, 2));
auto mftprop = o2::aod::fwdtrackutils::getTrackParCovFwdShift(mfttrack, fgzShiftFwd);
values[kX] = mftprop.getX();
Expand Down Expand Up @@ -4450,6 +4450,26 @@
values[kEta] = v12.Eta();
values[kPhi] = v12.Phi() > 0 ? v12.Phi() : v12.Phi() + 2. * M_PI;
values[kRap] = -v12.Rapidity();

if (fgUsedVars[kCosThetaStarRandom] || fgUsedVars[kCosThetaStarFT0C]) {
ROOT::Math::Boost boostv12{v12.BoostToCM()};
ROOT::Math::XYZVectorF v_CM{(boostv12(v1).Vect()).Unit()};

if (fgUsedVars[kCosThetaStarRandom]) {
// Randomize the event plane angle to check the unpolarized contribution
ROOT::Math::XYZVector zaxisRandom = ROOT::Math::XYZVector(TMath::Cos(values[kRandomPsi2]), TMath::Sin(values[kRandomPsi2]), 0).Unit();
values[kCosThetaStarRandom] = v_CM.Dot(zaxisRandom);
values[kCos2ThetaStarRandom] = values[kCosThetaStarRandom] * values[kCosThetaStarRandom];
}

if (fgUsedVars[kCosThetaStarFT0C]) {
// event plane angle from FT0C
ROOT::Math::XYZVector zaxisFT0C = ROOT::Math::XYZVector(TMath::Cos(values[kPsi2C]), TMath::Sin(values[kPsi2C]), 0).Unit();
values[kCosThetaStarFT0C] = v_CM.Dot(zaxisFT0C);
values[kAbsCosThetaStarFT0C] = std::abs(values[kCosThetaStarFT0C]);
values[kCos2ThetaStarFT0C] = values[kCosThetaStarFT0C] * values[kCosThetaStarFT0C];
}
}
}

template <int pairType, typename T1, typename T2>
Expand Down Expand Up @@ -4945,13 +4965,13 @@
values[kVertexingLxyErr] = (KFPV.GetCovariance(0) + KFGeoTwoProng.GetCovariance(0)) * dxPair2PV * dxPair2PV + (KFPV.GetCovariance(2) + KFGeoTwoProng.GetCovariance(2)) * dyPair2PV * dyPair2PV + 2 * ((KFPV.GetCovariance(1) + KFGeoTwoProng.GetCovariance(1)) * dxPair2PV * dyPair2PV);
values[kVertexingLzErr] = (KFPV.GetCovariance(5) + KFGeoTwoProng.GetCovariance(5)) * dzPair2PV * dzPair2PV;
values[kVertexingLxyzErr] = (KFPV.GetCovariance(0) + KFGeoTwoProng.GetCovariance(0)) * dxPair2PV * dxPair2PV + (KFPV.GetCovariance(2) + KFGeoTwoProng.GetCovariance(2)) * dyPair2PV * dyPair2PV + (KFPV.GetCovariance(5) + KFGeoTwoProng.GetCovariance(5)) * dzPair2PV * dzPair2PV + 2 * ((KFPV.GetCovariance(1) + KFGeoTwoProng.GetCovariance(1)) * dxPair2PV * dyPair2PV + (KFPV.GetCovariance(3) + KFGeoTwoProng.GetCovariance(3)) * dxPair2PV * dzPair2PV + (KFPV.GetCovariance(4) + KFGeoTwoProng.GetCovariance(4)) * dyPair2PV * dzPair2PV);
if (fabs(values[kVertexingLxy]) < 1.e-8f)

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values[kVertexingLxy] = 1.e-8f;
values[kVertexingLxyErr] = values[kVertexingLxyErr] < 0. ? 1.e8f : std::sqrt(values[kVertexingLxyErr]) / values[kVertexingLxy];
if (fabs(values[kVertexingLz]) < 1.e-8f)

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values[kVertexingLz] = 1.e-8f;
values[kVertexingLzErr] = values[kVertexingLzErr] < 0. ? 1.e8f : std::sqrt(values[kVertexingLzErr]) / values[kVertexingLz];
if (fabs(values[kVertexingLxyz]) < 1.e-8f)

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values[kVertexingLxyz] = 1.e-8f;
values[kVertexingLxyzErr] = values[kVertexingLxyzErr] < 0. ? 1.e8f : std::sqrt(values[kVertexingLxyzErr]) / values[kVertexingLxyz];
values[kVertexingTauxy] = KFGeoTwoProng.GetPseudoProperDecayTime(KFPV, KFGeoTwoProng.GetMass()) / (o2::constants::physics::LightSpeedCm2NS);
Expand Down Expand Up @@ -5355,13 +5375,13 @@
values[kVertexingLxyErr] = (KFPV.GetCovariance(0) + KFGeoThreeProng.GetCovariance(0)) * dxTriplet2PV * dxTriplet2PV + (KFPV.GetCovariance(2) + KFGeoThreeProng.GetCovariance(2)) * dyTriplet2PV * dyTriplet2PV + 2 * ((KFPV.GetCovariance(1) + KFGeoThreeProng.GetCovariance(1)) * dxTriplet2PV * dyTriplet2PV);
values[kVertexingLzErr] = (KFPV.GetCovariance(5) + KFGeoThreeProng.GetCovariance(5)) * dzTriplet2PV * dzTriplet2PV;
values[kVertexingLxyzErr] = (KFPV.GetCovariance(0) + KFGeoThreeProng.GetCovariance(0)) * dxTriplet2PV * dxTriplet2PV + (KFPV.GetCovariance(2) + KFGeoThreeProng.GetCovariance(2)) * dyTriplet2PV * dyTriplet2PV + (KFPV.GetCovariance(5) + KFGeoThreeProng.GetCovariance(5)) * dzTriplet2PV * dzTriplet2PV + 2 * ((KFPV.GetCovariance(1) + KFGeoThreeProng.GetCovariance(1)) * dxTriplet2PV * dyTriplet2PV + (KFPV.GetCovariance(3) + KFGeoThreeProng.GetCovariance(3)) * dxTriplet2PV * dzTriplet2PV + (KFPV.GetCovariance(4) + KFGeoThreeProng.GetCovariance(4)) * dyTriplet2PV * dzTriplet2PV);
if (fabs(values[kVertexingLxy]) < 1.e-8f)

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values[kVertexingLxy] = 1.e-8f;
values[kVertexingLxyErr] = values[kVertexingLxyErr] < 0. ? 1.e8f : std::sqrt(values[kVertexingLxyErr]) / values[kVertexingLxy];
if (fabs(values[kVertexingLz]) < 1.e-8f)

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values[kVertexingLz] = 1.e-8f;
values[kVertexingLzErr] = values[kVertexingLzErr] < 0. ? 1.e8f : std::sqrt(values[kVertexingLzErr]) / values[kVertexingLz];
if (fabs(values[kVertexingLxyz]) < 1.e-8f)

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values[kVertexingLxyz] = 1.e-8f;
values[kVertexingLxyzErr] = values[kVertexingLxyzErr] < 0. ? 1.e8f : std::sqrt(values[kVertexingLxyzErr]) / values[kVertexingLxyz];

Expand Down Expand Up @@ -5612,7 +5632,7 @@
values[kVertexingLxyErr] = (KFPV.GetCovariance(0) + KFGeoThreeProng.GetCovariance(0)) * dxTriplet3PV * dxTriplet3PV + (KFPV.GetCovariance(2) + KFGeoThreeProng.GetCovariance(2)) * dyTriplet3PV * dyTriplet3PV + 2 * ((KFPV.GetCovariance(1) + KFGeoThreeProng.GetCovariance(1)) * dxTriplet3PV * dyTriplet3PV);
values[kVertexingLzErr] = (KFPV.GetCovariance(5) + KFGeoThreeProng.GetCovariance(5)) * dzTriplet3PV * dzTriplet3PV;
values[kVertexingLxyzErr] = (KFPV.GetCovariance(0) + KFGeoThreeProng.GetCovariance(0)) * dxTriplet3PV * dxTriplet3PV + (KFPV.GetCovariance(2) + KFGeoThreeProng.GetCovariance(2)) * dyTriplet3PV * dyTriplet3PV + (KFPV.GetCovariance(5) + KFGeoThreeProng.GetCovariance(5)) * dzTriplet3PV * dzTriplet3PV + 2 * ((KFPV.GetCovariance(1) + KFGeoThreeProng.GetCovariance(1)) * dxTriplet3PV * dyTriplet3PV + (KFPV.GetCovariance(3) + KFGeoThreeProng.GetCovariance(3)) * dxTriplet3PV * dzTriplet3PV + (KFPV.GetCovariance(4) + KFGeoThreeProng.GetCovariance(4)) * dyTriplet3PV * dzTriplet3PV);
if (fabs(values[kVertexingLxy]) < 1.e-8f)

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[std-prefix] 

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values[kVertexingLxy] = 1.e-8f;
values[kVertexingLxyErr] = values[kVertexingLxyErr] < 0. ? 1.e8f : std::sqrt(values[kVertexingLxyErr]) / values[kVertexingLxy];
if (fabs(values[kVertexingLz]) < 1.e-8f)
Expand Down
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