BPHCompositeVertexSelect Class Reference

Inheritance diagram for BPHCompositeVertexSelect:

Public Member Functions
bool	accept (const pat::CompositeCandidate &cand, const reco::Vertex *pvtx=0) const override
	BPHCompositeVertexSelect (float probMin, float cosMin=-1.0, float sigMin=-1.0)
Public Member Functions inherited from BPHHistoSpecificDecay::CandidateSelect
virtual	~CandidateSelect ()

Private Attributes
float	cMin
float	pMin
float	sMin

Detailed Description

Definition at line 241 of file BPHHistoSpecificDecay.cc.

Constructor & Destructor Documentation

BPHCompositeVertexSelect::BPHCompositeVertexSelect ( float  probMin, float  cosMin = -1.0, float  sigMin = -1.0  )

inline

Definition at line 243 of file BPHHistoSpecificDecay.cc.

      : pMin(probMin), cMin(cosMin), sMin(sigMin) {}

Member Function Documentation

bool BPHCompositeVertexSelect::accept ( const pat::CompositeCandidate &  cand, const reco::Vertex *  pvtx = 0  ) const

inlineoverridevirtual

Implements BPHHistoSpecificDecay::CandidateSelect.

Definition at line 245 of file BPHHistoSpecificDecay.cc.

References reco::Vertex::chi2(), ChiSquaredProbability(), reco::Vertex::error(), EgHLTOffHistBins_cfi::mass, GlobalErrorBase< T, ErrorWeightType >::matrix(), reco::Vertex::ndof(), ALCARECOTkAlMinBias_cff::pMin, mathSSE::sqrt(), Measurement1D::value(), reco::Vertex::x(), and reco::Vertex::y().

Referenced by Vispa.Gui.BoxContentDialog.BoxContentDialog::apply(), Vispa.Plugins.ConfigEditor.ToolDialog.ToolDialog::apply(), and esMonitoring.FDJsonServer::handle_accept().

                                                                                                  {
    const reco::Vertex* svtx = BPHUserData::get<reco::Vertex>(cand, "vertex");
    if (svtx == nullptr)
      return false;
    if (pvtx == nullptr)
      return false;
    if (pMin > 0) {
      if (ChiSquaredProbability(svtx->chi2(), svtx->ndof()) < pMin)
        return false;
    }
    if ((cMin > 0) || (sMin > 0)) {
      TVector3 disp(svtx->x() - pvtx->x(), svtx->y() - pvtx->y(), 0);
      TVector3 cmom(cand.px(), cand.py(), 0);
      float cosAlpha = disp.Dot(cmom) / (disp.Perp() * cmom.Perp());
      if (cosAlpha < cMin)
        return false;
      if (sMin < 0)
        return true;
      float mass = cand.mass();
      AlgebraicVector3 vmom(cand.px(), cand.py(), 0);
      VertexDistanceXY vdistXY;
      Measurement1D distXY = vdistXY.distance(*svtx, *pvtx);
      double ctauPV = distXY.value() * cosAlpha * mass / cmom.Perp();
      GlobalError sve = svtx->error();
      GlobalError pve = pvtx->error();
      AlgebraicSymMatrix33 vXYe = sve.matrix() + pve.matrix();
      double ctauErrPV = sqrt(ROOT::Math::Similarity(vmom, vXYe)) * mass / cmom.Perp2();
      if ((ctauPV / ctauErrPV) < sMin)
        return false;
    }
    return true;
  }

Member Data Documentation

float BPHCompositeVertexSelect::cMin

private

Definition at line 280 of file BPHHistoSpecificDecay.cc.

float BPHCompositeVertexSelect::pMin

private

Definition at line 279 of file BPHHistoSpecificDecay.cc.

float BPHCompositeVertexSelect::sMin

private

Definition at line 281 of file BPHHistoSpecificDecay.cc.