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[PWGEM/Dilepton] fix B field in createResolutionMap.cxx #13424

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Merged
dsekihat merged 1 commit into from
Oct 17, 2025
Merged

[PWGEM/Dilepton] fix B field in createResolutionMap.cxx #13424

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12 changes: 7 additions & 5 deletions PWGEM/Dilepton/Tasks/createResolutionMap.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -298,10 +298,10 @@
}

// In case override, don't proceed, please - no CCDB access required
if (d_bz_input > -990) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
d_bz = d_bz_input;
o2::parameters::GRPMagField grpmag;
if (std::fabs(d_bz) > 1e-5) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
grpmag.setL3Current(30000.f / (d_bz / 5.0f));
}
o2::base::Propagator::initFieldFromGRP(&grpmag);
Expand All @@ -313,10 +313,8 @@
ccdb->get<TGeoManager>(geoPath);
}
o2::mch::TrackExtrap::setField();
const double centerMFT[3] = {0, 0, -61.4};
o2::field::MagneticField* field = static_cast<o2::field::MagneticField*>(TGeoGlobalMagField::Instance()->GetField());
mBzMFT = field->getBz(centerMFT); // Get field at centre of MFT
LOGF(info, "Bz at center of MFT = %f kZG", mBzMFT);
mBzMFT = d_bz;
LOGF(info, "Bz at center of MFT = %f kZG manually", mBzMFT);
}

auto run3grp_timestamp = bc.timestamp();
Expand Down Expand Up @@ -345,7 +343,6 @@
d_bz = std::lround(5.f * grpmag->getL3Current() / 30000.f);
LOG(info) << "Retrieved GRP for timestamp " << run3grp_timestamp << " with magnetic field of " << d_bz << " kZG";
}
mRunNumber = bc.runNumber();

// std::map<string, string> metadata;
// auto soreor = o2::ccdb::BasicCCDBManager::getRunDuration(ccdbApi, mRunNumber);
Expand All @@ -357,6 +354,11 @@
ccdb->get<TGeoManager>(geoPath);
}
o2::mch::TrackExtrap::setField();
const double centerMFT[3] = {0, 0, -61.4};
o2::field::MagneticField* field = static_cast<o2::field::MagneticField*>(TGeoGlobalMagField::Instance()->GetField());
mBzMFT = field->getBz(centerMFT); // Get field at centre of MFT
LOGF(info, "Bz at center of MFT = %f kZG", mBzMFT);
mRunNumber = bc.runNumber();
}

template <typename TCollision>
Expand Down Expand Up @@ -533,7 +535,7 @@
void fillMuon(TCollision const& collision, TMuon const& muon, TMFTTracksCov const& mftCovs, const float centrality)
{
auto mcparticle = muon.template mcParticle_as<aod::McParticles>();
if (std::abs(mcparticle.pdgCode()) != 13 || !(mcparticle.isPhysicalPrimary() || mcparticle.producedByGenerator())) {

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.
return;
}
if (cfg_require_true_mc_collision_association && mcparticle.mcCollisionId() != collision.mcCollisionId()) {
Expand Down Expand Up @@ -703,9 +705,9 @@
registry.fill(HIST("StandaloneMuon/hEtaPhi"), phi, eta);
registry.fill(HIST("StandaloneMuon/Ptgen_RelDeltaPt"), mcparticle.pt(), (mcparticle.pt() - pt) / mcparticle.pt());
registry.fill(HIST("StandaloneMuon/Ptgen_DeltaEta"), mcparticle.pt(), mcparticle.eta() - eta);
if (mcparticle.pdgCode() == -13) { // positive muon

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.
registry.fill(HIST("StandaloneMuon/Ptgen_DeltaPhi_Pos"), mcparticle.pt(), mcparticle.phi() - phi);
} else if (mcparticle.pdgCode() == 13) { // negative muon

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.
registry.fill(HIST("StandaloneMuon/Ptgen_DeltaPhi_Neg"), mcparticle.pt(), mcparticle.phi() - phi);
}
}
Expand All @@ -721,9 +723,9 @@
registry.fill(HIST("GlobalMuon/hEtaPhi"), phi, eta);
registry.fill(HIST("GlobalMuon/Ptgen_RelDeltaPt"), mcparticle.pt(), (mcparticle.pt() - pt) / mcparticle.pt());
registry.fill(HIST("GlobalMuon/Ptgen_DeltaEta"), mcparticle.pt(), mcparticle.eta() - eta);
if (mcparticle.pdgCode() == -13) { // positive muon

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.
registry.fill(HIST("GlobalMuon/Ptgen_DeltaPhi_Pos"), mcparticle.pt(), mcparticle.phi() - phi);
} else if (mcparticle.pdgCode() == 13) { // negative muon

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.
registry.fill(HIST("GlobalMuon/Ptgen_DeltaPhi_Neg"), mcparticle.pt(), mcparticle.phi() - phi);
}
}
Expand Down Expand Up @@ -809,7 +811,7 @@
}
const auto& mcparticle = track.template mcParticle_as<aod::McParticles>();

if (std::abs(mcparticle.pdgCode()) != 11 || !(mcparticle.isPhysicalPrimary() || mcparticle.producedByGenerator())) {

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.
return;
}
if (cfg_reject_fake_match_its_tpc && o2::aod::pwgem::dilepton::utils::mcutil::hasFakeMatchITSTPC(track)) {
Expand Down Expand Up @@ -853,9 +855,9 @@
registry.fill(HIST("Electron/hEtaPhi"), phi, eta);
registry.fill(HIST("Electron/Ptgen_RelDeltaPt"), mcparticle.pt(), (mcparticle.pt() - pt) / mcparticle.pt());
registry.fill(HIST("Electron/Ptgen_DeltaEta"), mcparticle.pt(), mcparticle.eta() - eta);
if (mcparticle.pdgCode() == -11) { // positron

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.
registry.fill(HIST("Electron/Ptgen_DeltaPhi_Pos"), mcparticle.pt(), mcparticle.phi() - phi);
} else if (mcparticle.pdgCode() == 11) { // electron

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[pdg/explicit-code] 

Avoid hard-coded PDG codes. Use named values from PDG_t or o2::constants::physics::Pdg instead.
registry.fill(HIST("Electron/Ptgen_DeltaPhi_Neg"), mcparticle.pt(), mcparticle.phi() - phi);
}
}
Expand Down
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