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[PWGEM/Dilepton] update muon QA #10750

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Merged
dsekihat merged 1 commit into from
Apr 3, 2025
Merged

[PWGEM/Dilepton] update muon QA #10750

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4 changes: 2 additions & 2 deletions PWGEM/Dilepton/Core/SingleTrackQC.h
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Expand Up @@ -43,12 +43,12 @@
#include "PWGEM/Dilepton/Utils/PairUtilities.h"
#include "PWGEM/Dilepton/Utils/MlResponseDielectronSingleTrack.h"

using namespace o2;

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[using-directive] 

Do not put using directives at global scope in headers.
using namespace o2::aod;

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using namespace o2::framework;

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using namespace o2::framework::expressions;

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[using-directive] 

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using namespace o2::soa;

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using namespace o2::aod::pwgem::dilepton::utils::emtrackutil;

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using MyCollisions = soa::Join<aod::EMEvents, aod::EMEventsMult, aod::EMEventsCent>;
using MyCollision = MyCollisions::iterator;
Expand Down Expand Up @@ -212,7 +212,7 @@
if constexpr (pairtype == o2::aod::pwgem::dilepton::utils::pairutil::DileptonPairType::kDielectron) {
const AxisSpec axis_pt{ConfPtlBins, "p_{T,e} (GeV/c)"};
const AxisSpec axis_eta{20, -1.0, +1.0, "#eta_{e}"};
const AxisSpec axis_phi{36, 0.0, 2 * M_PI, "#varphi_{e} (rad.)"};

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[pi-multiple-fraction] 

Use multiples/fractions of PI defined in o2::constants::math.

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[external-pi] 

Use the PI constant (and its multiples and fractions) defined in o2::constants::math.
std::string dca_axis_title = "DCA_{e}^{3D} (#sigma)";
if (cfgDCAType == 1) {
dca_axis_title = "DCA_{e}^{XY} (#sigma)";
Expand Down Expand Up @@ -266,8 +266,8 @@
fRegistry.addClone("Track/positive/", "Track/negative/");
} else if constexpr (pairtype == o2::aod::pwgem::dilepton::utils::pairutil::DileptonPairType::kDimuon) {
const AxisSpec axis_pt{ConfPtlBins, "p_{T,#mu} (GeV/c)"};
const AxisSpec axis_eta{40, -5, -1, "#eta_{#mu}"};
const AxisSpec axis_phi{90, 0, 2 * M_PI, "#varphi_{#mu} (rad.)"};
const AxisSpec axis_eta{100, -6, -1, "#eta_{#mu}"};
const AxisSpec axis_phi{180, 0, 2 * M_PI, "#varphi_{#mu} (rad.)"};

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[external-pi] 

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const AxisSpec axis_dca{ConfDCABins, "DCA_{#mu}^{XY} (#sigma)"};

// track info
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4 changes: 2 additions & 2 deletions PWGEM/Dilepton/Core/SingleTrackQCMC.h
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Expand Up @@ -310,8 +310,8 @@ struct SingleTrackQCMC {
}
} else if constexpr (pairtype == o2::aod::pwgem::dilepton::utils::pairutil::DileptonPairType::kDimuon) {
const AxisSpec axis_pt{ConfPtlBins, "p_{T,#mu} (GeV/c)"};
const AxisSpec axis_eta{25, -4.5, -2.0, "#eta_{#mu}"};
const AxisSpec axis_phi{36, 0.0, 2 * M_PI, "#varphi_{#mu} (rad.)"};
const AxisSpec axis_eta{100, -6, -1, "#eta_{#mu}"};
const AxisSpec axis_phi{180, 0.0, 2 * M_PI, "#varphi_{#mu} (rad.)"};
const AxisSpec axis_dca{ConfDCABins, "DCA_{#mu}^{XY} (#sigma)"};
const AxisSpec axis_charge_gen{3, -1.5, +1.5, "true charge"};

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17 changes: 11 additions & 6 deletions PWGEM/Dilepton/Utils/EMTrackUtilities.h
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Expand Up @@ -59,13 +59,18 @@ float fwdDcaXYinSigma(T const& track)
float cXY = track.cXYatDCA();
float dcaX = track.fwdDcaX(); // in cm
float dcaY = track.fwdDcaY(); // in cm
float dcaXY = std::sqrt(dcaX * dcaX + dcaY * dcaY);
float dFdx = 2.f * dcaX / dcaXY;
float dFdy = 2.f * dcaY / dcaXY;
float sigma_dcaXY = std::sqrt(cXX * dFdx * dFdx + cYY * dFdy * dFdy + 2.f * cXY * dFdx * dFdy);
return dcaXY / sigma_dcaXY;

float det = cXX * cYY - cXY * cXY; // determinant
if (det < 0) {
return 999.f;
} else {
return std::sqrt(std::fabs((dcaX * dcaX * cYY + dcaY * dcaY * cXX - 2. * dcaX * dcaY * cXY) / det / 2.)); // dca xy in sigma
}
// float det = cXX * cYY - cXY * cXY; // determinant
// if (det < 0) {
// return 999.f;
// } else {
// return std::sqrt(std::fabs((dcaX * dcaX * cYY + dcaY * dcaY * cXX - 2. * dcaX * dcaY * cXY) / det / 2.)); // dca xy in sigma
// }
}
//_______________________________________________________________________
template <typename T>
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