BtoCharmDecayVertexMerger.cc File Reference

#include "FWCore/Framework/interface/stream/EDProducer.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/Utilities/interface/InputTag.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "DataFormats/BTauReco/interface/ParticleMasses.h"
#include "DataFormats/Candidate/interface/VertexCompositePtrCandidate.h"
#include "DataFormats/Common/interface/Handle.h"
#include "DataFormats/TrackReco/interface/Track.h"
#include "DataFormats/TrackReco/interface/TrackFwd.h"
#include "DataFormats/VertexReco/interface/Vertex.h"
#include "DataFormats/VertexReco/interface/VertexFwd.h"
#include "RecoVertex/VertexTools/interface/VertexDistance3D.h"
#include "RecoBTag/SecondaryVertex/interface/SecondaryVertex.h"
#include "DataFormats/GeometryVector/interface/VectorUtil.h"
#include <algorithm>

Go to the source code of this file.

Classes
class	BtoCharmDecayVertexMergerT< VTX >
struct	BtoCharmDecayVertexMergerT< VTX >::VertexProxy

Typedefs
typedef BtoCharmDecayVertexMergerT < reco::Vertex >	BtoCharmDecayVertexMerger
typedef BtoCharmDecayVertexMergerT < reco::VertexCompositePtrCandidate >	CandidateBtoCharmDecayVertexMerger

Functions
static const edm::ParameterSetDescriptionFillerPluginFactory::PMaker < edm::ParameterSetDescriptionFiller < BtoCharmDecayVertexMerger > >	s_filler__LINE__ ("BtoCharmDecayVertexMerger")
static const edm::MakerPluginFactory::PMaker < edm::WorkerMaker < BtoCharmDecayVertexMerger > >	s_maker__LINE__ ("BtoCharmDecayVertexMerger")
reco::Candidate::LorentzVector	vtxP4 (const reco::VertexCompositePtrCandidate &vtx)

Typedef Documentation

typedef BtoCharmDecayVertexMergerT<reco::Vertex> BtoCharmDecayVertexMerger

Definition at line 360 of file BtoCharmDecayVertexMerger.cc.

typedef BtoCharmDecayVertexMergerT<reco::VertexCompositePtrCandidate> CandidateBtoCharmDecayVertexMerger

Definition at line 361 of file BtoCharmDecayVertexMerger.cc.

Function Documentation

static const edm::ParameterSetDescriptionFillerPluginFactory::PMaker< edm::ParameterSetDescriptionFiller< CandidateBtoCharmDecayVertexMerger > > s_filler__LINE__ ( "BtoCharmDecayVertexMerger"  )

static

static const edm::MakerPluginFactory::PMaker< edm::WorkerMaker< CandidateBtoCharmDecayVertexMerger > > s_maker__LINE__ ( "BtoCharmDecayVertexMerger"  )

static

reco::Candidate::LorentzVector vtxP4

(

const reco::VertexCompositePtrCandidate &

vtx

)

Definition at line 25 of file BtoCharmDecayVertexMerger.cc.

References reco::CompositePtrCandidate::daughterPtrVector(), reco::ParticleMasses::piPlus, HLT_FULL_cff::track, and tracks.

Referenced by BtoCharmDecayVertexMergerT< VTX >::buildVertexProxy(), and BtoCharmDecayVertexMergerT< VTX >::resolveBtoDchain().

                                                                             {
  reco::Candidate::LorentzVector sum;
  const std::vector<reco::CandidatePtr> &tracks = vtx.daughterPtrVector();

  for (std::vector<reco::CandidatePtr>::const_iterator track = tracks.begin(); track != tracks.end(); ++track) {
    ROOT::Math::LorentzVector<ROOT::Math::PxPyPzM4D<double>> vec;
    vec.SetPx((*track)->px());
    vec.SetPy((*track)->py());
    vec.SetPz((*track)->pz());
    vec.SetM(reco::ParticleMasses::piPlus);
    sum += vec;
  }
  return sum;
}