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Patch in MuonBeamspotConstraintValueMapProducer for VertexException #45873

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Sep 8, 2024
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Patch in MuonBeamspotConstraintValueMapProducer for VertexException #45873

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20 changes: 12 additions & 8 deletions RecoMuon/GlobalTrackingTools/plugins/MuonBeamspotConstraintValueMapProducer.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -66,14 +66,18 @@ class MuonBeamspotConstraintValueMapProducer : public edm::global::EDProducer<>
// SingleTrackVertexConstraint uses the width for the constraint,
// not the error)
if ((BeamWidthXError / BeamWidthX < 0.3) && (BeamWidthYError / BeamWidthY < 0.3)) {
SingleTrackVertexConstraint::BTFtuple btft =
stvc.constrain(ttkb->build(muon.muonBestTrack()), *beamSpotHandle);
if (std::get<0>(btft)) {
const reco::Track& trkBS = std::get<1>(btft).track();
pts.push_back(trkBS.pt());
ptErrs.push_back(trkBS.ptError());
chi2s.push_back(std::get<2>(btft));
tbd = false;
try {
SingleTrackVertexConstraint::BTFtuple btft =
stvc.constrain(ttkb->build(muon.muonBestTrack()), *beamSpotHandle);
if (std::get<0>(btft)) {
const reco::Track& trkBS = std::get<1>(btft).track();
pts.push_back(trkBS.pt());
ptErrs.push_back(trkBS.ptError());
chi2s.push_back(std::get<2>(btft));
tbd = false;
}
} catch (const VertexException& exc) {
// Update failed; give up.
}
}
}
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