FCCAnalyses::VertexingUtils Namespace Reference

Vertexing utilities. More...

Classes
struct	FCCAnalysesV0
	Structure to keep useful information that is related to the V0. More...
struct	FCCAnalysesVertex
	Structure to keep useful track information that is related to the vertex. More...
struct	FCCAnalysesVertexMC
	Structure to keep useful track information that is related to the vertex. More...
struct	selTracks
	Selection of particles based on the d0 / z0 significances of the associated track. More...

Functions
TVectorD	XPtoPar (TVector3 x, TVector3 p, Double_t Q)
	from delphes: returns track state parameters (delphes convention) for a given vertex (x), momentum (p) and charge
TVector3	ParToP (TVectorD Par)
	from delphes: returns the momentum corresponding to a given track state
ROOT::VecOps::RVec< edm4hep::ReconstructedParticleData >	SelPrimaryTracks (ROOT::VecOps::RVec< int > recind, ROOT::VecOps::RVec< int > mcind, ROOT::VecOps::RVec< edm4hep::ReconstructedParticleData > reco, ROOT::VecOps::RVec< edm4hep::MCParticleData > mc, TVector3 MC_EventPrimaryVertex)
	Selection of primary particles :
int	get_Nvertex (ROOT::VecOps::RVec< FCCAnalysesVertex > TheVertexColl)
	Retrieve the number of reconstructed vertices from the collection of vertex object.
FCCAnalysesVertex	get_FCCAnalysesVertex (ROOT::VecOps::RVec< FCCAnalysesVertex > TheVertexColl, int index)
	Retrieve a single FCCAnalyses vertex from the collection of vertex object.
edm4hep::VertexData	get_VertexData (FCCAnalysesVertex TheVertex)
	Retrieve the edm4hep::VertexData from the vertex object.
ROOT::VecOps::RVec< edm4hep::VertexData >	get_VertexData (ROOT::VecOps::RVec< FCCAnalysesVertex > TheVertexColl)
	Retrieve a vector of edm4hep::VertexData from the collection of vertex object.
edm4hep::VertexData	get_VertexData (ROOT::VecOps::RVec< FCCAnalysesVertex > TheVertexColl, int index)
	Retrieve a edm4hep::VertexData from the collection of vertex object at a given index.
int	get_VertexNtrk (FCCAnalysesVertex TheVertex)
	Retrieve the number of tracks from FCCAnalysesVertex.
ROOT::VecOps::RVec< int >	get_VertexNtrk (ROOT::VecOps::RVec< FCCAnalysesVertex > vertices)
ROOT::VecOps::RVec< int >	get_VertexRecoInd (FCCAnalysesVertex TheVertex)
	Retrieve the tracks indices from FCCAnalysesVertex.
ROOT::VecOps::RVec< int >	get_VertexRecoParticlesInd (FCCAnalysesVertex TheVertex, const ROOT::VecOps::RVec< edm4hep::ReconstructedParticleData > &reco)
	Retrieve the indices of the tracks fitted to that vertex, but now in the collection of RecoParticles.
int	get_nTracks (ROOT::VecOps::RVec< edm4hep::TrackState > tracks)
	Return the number of tracks in a given track collection.
bool	compare_Tracks (const edm4hep::TrackState &tr1, const edm4hep::TrackState &tr2)
	compare two track states
ROOT::VecOps::RVec< FCCAnalysesVertex >	get_all_vertices (FCCAnalysesVertex PV, ROOT::VecOps::RVec< FCCAnalysesVertex > SV)
	functions used for SV reconstruction
ROOT::VecOps::RVec< FCCAnalysesVertex >	get_all_vertices (FCCAnalysesVertex PV, ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > > SV)
double	get_invM_pairs (FCCAnalysesVertex vertex, double m1=0.13957039, double m2=0.13957039)
	returns the invariant mass of a two-track vertex CAUTION: m1 -> mass of first track, m2 -> mass of second track by default both pions
ROOT::VecOps::RVec< double >	get_invM_pairs (ROOT::VecOps::RVec< FCCAnalysesVertex > vertices, double m1=0.13957039, double m2=0.13957039)
double	get_invM (FCCAnalysesVertex vertex)
	returns the invariant mass of a vertex assuming all tracks to be pions
ROOT::VecOps::RVec< double >	get_invM (ROOT::VecOps::RVec< FCCAnalysesVertex > vertices)
	returns the invariant mass of a vector of vertices assuming all tracks to be pions
double	get_PV2V0angle (FCCAnalysesVertex V0, FCCAnalysesVertex PV)
	returns the cos of the angle b/n V0 candidate's (or any vtx's) momentum & PV to V0 (vtx) displacement vector
double	get_PV2vtx_angle (ROOT::VecOps::RVec< edm4hep::TrackState > tracks, FCCAnalysesVertex vtx, FCCAnalysesVertex PV)
	returns cos of the angle b/n track (that form the vtx) momentum sum & PV to vtx displacement vector
double	get_trackE (edm4hep::TrackState track)
	returns a track's energy assuming the track to be a pion
int	get_n_SV (FCCAnalysesV0 SV)
	V0 Reconstruction Return the number of reconstructed V0s.
ROOT::VecOps::RVec< TVector3 >	get_position_SV (FCCAnalysesV0 SV)
	Return the vertex position of all reconstructed V0s (in mm)
ROOT::VecOps::RVec< int >	get_pdg_V0 (FCCAnalysesV0 V0)
	Return the PDG IDs of all reconstructed V0s.
ROOT::VecOps::RVec< double >	get_invM_V0 (FCCAnalysesV0 V0)
	Return the invariant masses of all reconstructed V0s.
ROOT::VecOps::RVec< TVector3 >	get_p_SV (FCCAnalysesV0 SV)
	Return the momentum of all reconstructed V0s.
ROOT::VecOps::RVec< double >	get_chi2_SV (FCCAnalysesV0 SV)
	Return chi2 of all reconstructed V0s.
int	get_n_SV (ROOT::VecOps::RVec< FCCAnalysesVertex > vertices)
	Passing a vector of FCCAnalysesVertex instead of FCCAnalysesV0 Return the number of reconstructed SVs.
ROOT::VecOps::RVec< TVector3 >	get_p_SV (ROOT::VecOps::RVec< FCCAnalysesVertex > vertices)
	Return the momentum of all reconstructed vertices (or V0.vtx)
ROOT::VecOps::RVec< TVector3 >	get_position_SV (ROOT::VecOps::RVec< FCCAnalysesVertex > vertices)
	Return the vertex position of all reconstructed SVs (in mm)
ROOT::VecOps::RVec< double >	get_pMag_SV (ROOT::VecOps::RVec< FCCAnalysesVertex > vertices)
	Return the momentum magnitude of all reconstructed vertices (or V0.vtx)
ROOT::VecOps::RVec< double >	get_chi2_SV (ROOT::VecOps::RVec< FCCAnalysesVertex > vertices)
	Return chi2 of all reconstructed vertices (or V0.vtx)
ROOT::VecOps::RVec< double >	get_norm_chi2_SV (ROOT::VecOps::RVec< FCCAnalysesVertex > vertices)
	Return normalised chi2 of all reconstructed vertices (or V0.vtx)
ROOT::VecOps::RVec< int >	get_nDOF_SV (ROOT::VecOps::RVec< FCCAnalysesVertex > vertices)
	Return no of DOF of all reconstructed vertices (or V0.vtx)
ROOT::VecOps::RVec< double >	get_theta_SV (ROOT::VecOps::RVec< FCCAnalysesVertex > vertices)
	Return polar angle (theta) of all reconstructed vertices (or V0.vtx)
ROOT::VecOps::RVec< double >	get_phi_SV (ROOT::VecOps::RVec< FCCAnalysesVertex > vertices)
	Return azimuthal angle (phi) of all reconstructed vertices (or V0.vtx)
ROOT::VecOps::RVec< double >	get_relTheta_SV (ROOT::VecOps::RVec< FCCAnalysesVertex > vertices, ROOT::VecOps::RVec< int > nSV_jet, ROOT::VecOps::RVec< fastjet::PseudoJet > jets)
	Return polar angle (theta) of all reconstructed vertices wrt jets (or V0.vtx)
ROOT::VecOps::RVec< double >	get_relPhi_SV (ROOT::VecOps::RVec< FCCAnalysesVertex > vertices, ROOT::VecOps::RVec< int > nSV_jet, ROOT::VecOps::RVec< fastjet::PseudoJet > jets)
	Return azimuthal angle (phi) of all reconstructed vertices wrt jets (or V0.vtx)
ROOT::VecOps::RVec< double >	get_pointingangle_SV (ROOT::VecOps::RVec< FCCAnalysesVertex > vertices, FCCAnalysesVertex PV)
	Return the pointing angle of all reconstructed vertices (or V0.vtx)
ROOT::VecOps::RVec< double >	get_dxy_SV (ROOT::VecOps::RVec< FCCAnalysesVertex > vertices, FCCAnalysesVertex PV)
	Return the distances of all reconstructed vertices from PV in xy plane [mm] (or V0.vtx)
ROOT::VecOps::RVec< double >	get_d3d_SV (ROOT::VecOps::RVec< FCCAnalysesVertex > vertices, FCCAnalysesVertex PV)
	Return the distances of all reconstructed vertices from PV in 3D [mm] (or V0.vtx)
ROOT::VecOps::RVec< double >	get_d3d_SV_obj (ROOT::VecOps::RVec< FCCAnalysesVertex > vertices, TVector3 location)
	Return the distances of all reconstructed verteces from given TVector3d object in 3D [mm] (or V0.vtx)
ROOT::VecOps::RVec< double >	get_d3d_SV_obj (ROOT::VecOps::RVec< FCCAnalysesVertex > vertices, edm4hep::Vector3d location)
	Return the distances of all reconstructed verteces from given edm4hep::Vector3d object in 3D [mm] (or V0.vtx)
ROOT::VecOps::RVec< double >	get_dR_SV_obj (ROOT::VecOps::RVec< FCCAnalysesVertex > vertices, TVector3 location)
	Return the distance in R of all reconstructed verteces from given TVector3d object in 3D [mm] (or V0.vtx)
ROOT::VecOps::RVec< double >	get_dR_SV_obj (ROOT::VecOps::RVec< FCCAnalysesVertex > vertices, edm4hep::Vector3d location)
	Return the distances in R of all reconstructed verteces from given edm4hep::Vector3d object in 3D [mm] (or V0.vtx)
ROOT::VecOps::RVec< FCCAnalysesVertex >	get_all_SVs (ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > > vertices)
	For get_SV_jets ///.
int	get_n_SV (ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > > vertices)
	Return the total number of reconstructed SVs.
ROOT::VecOps::RVec< int >	get_n_SV_jets (ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > > vertices)
	Return the number of reconstructed SVs per jet.
std::vector< std::vector< edm4hep::TrackState > >	get_tracksInJets (ROOT::VecOps::RVec< edm4hep::ReconstructedParticleData > recoparticles, ROOT::VecOps::RVec< edm4hep::TrackState > thetracks, ROOT::VecOps::RVec< fastjet::PseudoJet > jets, std::vector< std::vector< int > > jet_consti)
	Return the tracks separated by jets.
ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > >	get_svInJets (ROOT::VecOps::RVec< FCCAnalysesVertex > vertices, ROOT::VecOps::RVec< int > nSV_jet)
	Return V0s separated by jets.
ROOT::VecOps::RVec< ROOT::VecOps::RVec< double > >	get_invM (ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > > vertices)
ROOT::VecOps::RVec< ROOT::VecOps::RVec< TVector3 > >	get_p_SV (ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > > vertices)
ROOT::VecOps::RVec< ROOT::VecOps::RVec< double > >	get_pMag_SV (ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > > vertices)
ROOT::VecOps::RVec< ROOT::VecOps::RVec< int > >	get_VertexNtrk (ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > > vertices)
ROOT::VecOps::RVec< ROOT::VecOps::RVec< double > >	get_chi2_SV (ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > > vertices)
ROOT::VecOps::RVec< ROOT::VecOps::RVec< double > >	get_norm_chi2_SV (ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > > vertices)
ROOT::VecOps::RVec< ROOT::VecOps::RVec< int > >	get_nDOF_SV (ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > > vertices)
ROOT::VecOps::RVec< ROOT::VecOps::RVec< double > >	get_theta_SV (ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > > vertices)
ROOT::VecOps::RVec< ROOT::VecOps::RVec< double > >	get_phi_SV (ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > > vertices)
ROOT::VecOps::RVec< ROOT::VecOps::RVec< double > >	get_relTheta_SV (ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > > vertices, ROOT::VecOps::RVec< fastjet::PseudoJet > jets)
ROOT::VecOps::RVec< ROOT::VecOps::RVec< double > >	get_relPhi_SV (ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > > vertices, ROOT::VecOps::RVec< fastjet::PseudoJet > jets)
ROOT::VecOps::RVec< ROOT::VecOps::RVec< double > >	get_pointingangle_SV (ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > > vertices, FCCAnalysesVertex PV)
ROOT::VecOps::RVec< ROOT::VecOps::RVec< double > >	get_dxy_SV (ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > > vertices, FCCAnalysesVertex PV)
ROOT::VecOps::RVec< ROOT::VecOps::RVec< double > >	get_d3d_SV (ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > > vertices, FCCAnalysesVertex PV)
ROOT::VecOps::RVec< ROOT::VecOps::RVec< int > >	get_pdg_V0 (ROOT::VecOps::RVec< int > pdg, ROOT::VecOps::RVec< int > nSV_jet)
ROOT::VecOps::RVec< ROOT::VecOps::RVec< double > >	get_invM_V0 (ROOT::VecOps::RVec< double > invM, ROOT::VecOps::RVec< int > nSV_jet)
ROOT::VecOps::RVec< ROOT::VecOps::RVec< TVector3 > >	get_position_SV (ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > > vertices)
	Return the vertex position of all reconstructed SVs (in mm)
float	get_trackMom (edm4hep::TrackState &atrack)
TVectorD	Edm4hep2Delphes_TrackParam (const TVectorD &param, bool Units_mm)
	convert track parameters, from edm4hep to delphes conventions
TVectorD	Delphes2Edm4hep_TrackParam (const TVectorD &param, bool Units_mm)
	convert track parameters, from delphes to edm4hep conventions
TMatrixDSym	Edm4hep2Delphes_TrackCovMatrix (const std::array< float, 21 > &covMatrix, bool Units_mm)
	convert track covariance matrix, from edm4hep to delphes conventions
std::array< float, 21 >	Delphes2Edm4hep_TrackCovMatrix (const TMatrixDSym &cov, bool Units_mm)
	convert track covariance matrix, from delphes to edm4hep conventions
TVectorD	get_trackParam (edm4hep::TrackState &atrack, bool Units_mm=false)
	— Internal methods needed by the code of Franco B:
TMatrixDSym	get_trackCov (const edm4hep::TrackState &atrack, bool Units_mm=false)
TVectorD	ParToACTS (TVectorD Par)
TMatrixDSym	CovToACTS (TMatrixDSym Cov, TVectorD Par)
ROOT::VecOps::RVec< double >	get_relTheta_SV (ROOT::VecOps::RVec< FCCAnalysesVertex > vertices, fastjet::PseudoJet jet)
ROOT::VecOps::RVec< double >	get_relPhi_SV (ROOT::VecOps::RVec< FCCAnalysesVertex > vertices, fastjet::PseudoJet jet)

Detailed Description

Vertexing utilities.

Function Documentation

compare_Tracks()

bool FCCAnalyses::VertexingUtils::compare_Tracks	(	const edm4hep::TrackState &	tr1,
		const edm4hep::TrackState &	tr2
	)

compare two track states

CovToACTS()

TMatrixDSym FCCAnalyses::VertexingUtils::CovToACTS	(	TMatrixDSym	Cov,
		TVectorD	Par
	)

Delphes2Edm4hep_TrackCovMatrix()

std::array< float, 21 > FCCAnalyses::VertexingUtils::Delphes2Edm4hep_TrackCovMatrix	(	const TMatrixDSym &	cov,
		bool	Units_mm
	)

convert track covariance matrix, from delphes to edm4hep conventions

Delphes2Edm4hep_TrackParam()

TVectorD FCCAnalyses::VertexingUtils::Delphes2Edm4hep_TrackParam	(	const TVectorD &	param,
		bool	Units_mm
	)

convert track parameters, from delphes to edm4hep conventions

Edm4hep2Delphes_TrackCovMatrix()

TMatrixDSym FCCAnalyses::VertexingUtils::Edm4hep2Delphes_TrackCovMatrix	(	const std::array< float, 21 > &	covMatrix,
		bool	Units_mm
	)

convert track covariance matrix, from edm4hep to delphes conventions

Edm4hep2Delphes_TrackParam()

TVectorD FCCAnalyses::VertexingUtils::Edm4hep2Delphes_TrackParam	(	const TVectorD &	param,
		bool	Units_mm
	)

convert track parameters, from edm4hep to delphes conventions

get_all_SVs()

ROOT::VecOps::RVec< FCCAnalysesVertex > FCCAnalyses::VertexingUtils::get_all_SVs

(

ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > >

vertices

)

For get_SV_jets ///.

Return the number of reconstructed SVs

get_all_vertices() [1/2]

ROOT::VecOps::RVec< FCCAnalysesVertex > FCCAnalyses::VertexingUtils::get_all_vertices	(	FCCAnalysesVertex	PV,
		ROOT::VecOps::RVec< FCCAnalysesVertex >	SV
	)

functions used for SV reconstruction

returns a vector of all vertices (PV and SVs), e.g to use in myUtils::get_Vertex_d2PV first entry: PV, all subsequent entries: SVs

get_all_vertices() [2/2]

ROOT::VecOps::RVec< FCCAnalysesVertex > FCCAnalyses::VertexingUtils::get_all_vertices	(	FCCAnalysesVertex	PV,
		ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > >	SV
	)

get_chi2_SV() [1/3]

ROOT::VecOps::RVec< double > FCCAnalyses::VertexingUtils::get_chi2_SV

(

FCCAnalysesV0

SV

)

Return chi2 of all reconstructed V0s.

get_chi2_SV() [2/3]

ROOT::VecOps::RVec< double > FCCAnalyses::VertexingUtils::get_chi2_SV

(

ROOT::VecOps::RVec< FCCAnalysesVertex >

vertices

)

Return chi2 of all reconstructed vertices (or V0.vtx)

get_chi2_SV() [3/3]

ROOT::VecOps::RVec< ROOT::VecOps::RVec< double > > FCCAnalyses::VertexingUtils::get_chi2_SV

(

ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > >

vertices

)

get_d3d_SV() [1/2]

ROOT::VecOps::RVec< double > FCCAnalyses::VertexingUtils::get_d3d_SV	(	ROOT::VecOps::RVec< FCCAnalysesVertex >	vertices,
		FCCAnalysesVertex	PV
	)

Return the distances of all reconstructed vertices from PV in 3D [mm] (or V0.vtx)

get_d3d_SV() [2/2]

ROOT::VecOps::RVec< ROOT::VecOps::RVec< double > > FCCAnalyses::VertexingUtils::get_d3d_SV	(	ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > >	vertices,
		FCCAnalysesVertex	PV
	)

get_d3d_SV_obj() [1/2]

ROOT::VecOps::RVec< double > FCCAnalyses::VertexingUtils::get_d3d_SV_obj	(	ROOT::VecOps::RVec< FCCAnalysesVertex >	vertices,
		edm4hep::Vector3d	location
	)

Return the distances of all reconstructed verteces from given edm4hep::Vector3d object in 3D [mm] (or V0.vtx)

get_d3d_SV_obj() [2/2]

ROOT::VecOps::RVec< double > FCCAnalyses::VertexingUtils::get_d3d_SV_obj	(	ROOT::VecOps::RVec< FCCAnalysesVertex >	vertices,
		TVector3	location
	)

Return the distances of all reconstructed verteces from given TVector3d object in 3D [mm] (or V0.vtx)

get_dR_SV_obj() [1/2]

ROOT::VecOps::RVec< double > FCCAnalyses::VertexingUtils::get_dR_SV_obj	(	ROOT::VecOps::RVec< FCCAnalysesVertex >	vertices,
		edm4hep::Vector3d	location
	)

Return the distances in R of all reconstructed verteces from given edm4hep::Vector3d object in 3D [mm] (or V0.vtx)

get_dR_SV_obj() [2/2]

ROOT::VecOps::RVec< double > FCCAnalyses::VertexingUtils::get_dR_SV_obj	(	ROOT::VecOps::RVec< FCCAnalysesVertex >	vertices,
		TVector3	location
	)

Return the distance in R of all reconstructed verteces from given TVector3d object in 3D [mm] (or V0.vtx)

get_dxy_SV() [1/2]

ROOT::VecOps::RVec< double > FCCAnalyses::VertexingUtils::get_dxy_SV	(	ROOT::VecOps::RVec< FCCAnalysesVertex >	vertices,
		FCCAnalysesVertex	PV
	)

Return the distances of all reconstructed vertices from PV in xy plane [mm] (or V0.vtx)

get_dxy_SV() [2/2]

ROOT::VecOps::RVec< ROOT::VecOps::RVec< double > > FCCAnalyses::VertexingUtils::get_dxy_SV	(	ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > >	vertices,
		FCCAnalysesVertex	PV
	)

get_FCCAnalysesVertex()

FCCAnalysesVertex FCCAnalyses::VertexingUtils::get_FCCAnalysesVertex	(	ROOT::VecOps::RVec< FCCAnalysesVertex >	TheVertexColl,
		int	index
	)

Retrieve a single FCCAnalyses vertex from the collection of vertex object.

get_invM() [1/3]

double FCCAnalyses::VertexingUtils::get_invM

(

FCCAnalysesVertex

vertex

)

returns the invariant mass of a vertex assuming all tracks to be pions

get_invM() [2/3]

ROOT::VecOps::RVec< double > FCCAnalyses::VertexingUtils::get_invM

(

ROOT::VecOps::RVec< FCCAnalysesVertex >

vertices

)

returns the invariant mass of a vector of vertices assuming all tracks to be pions

get_invM() [3/3]

ROOT::VecOps::RVec< ROOT::VecOps::RVec< double > > FCCAnalyses::VertexingUtils::get_invM

(

ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > >

vertices

)

get_invM_pairs() [1/2]

double FCCAnalyses::VertexingUtils::get_invM_pairs	(	FCCAnalysesVertex	vertex,
		double	m1 = 0.13957039,
		double	m2 = 0.13957039
	)

returns the invariant mass of a two-track vertex CAUTION: m1 -> mass of first track, m2 -> mass of second track by default both pions

get_invM_pairs() [2/2]

ROOT::VecOps::RVec< double > FCCAnalyses::VertexingUtils::get_invM_pairs	(	ROOT::VecOps::RVec< FCCAnalysesVertex >	vertices,
		double	m1 = 0.13957039,
		double	m2 = 0.13957039
	)

get_invM_V0() [1/2]

ROOT::VecOps::RVec< double > FCCAnalyses::VertexingUtils::get_invM_V0

(

FCCAnalysesV0

V0

)

Return the invariant masses of all reconstructed V0s.

get_invM_V0() [2/2]

ROOT::VecOps::RVec< ROOT::VecOps::RVec< double > > FCCAnalyses::VertexingUtils::get_invM_V0	(	ROOT::VecOps::RVec< double >	invM,
		ROOT::VecOps::RVec< int >	nSV_jet
	)

get_n_SV() [1/3]

int FCCAnalyses::VertexingUtils::get_n_SV

(

FCCAnalysesV0

SV

)

V0 Reconstruction Return the number of reconstructed V0s.

get_n_SV() [2/3]

int FCCAnalyses::VertexingUtils::get_n_SV

(

ROOT::VecOps::RVec< FCCAnalysesVertex >

vertices

)

Passing a vector of FCCAnalysesVertex instead of FCCAnalysesV0 Return the number of reconstructed SVs.

get_n_SV() [3/3]

int FCCAnalyses::VertexingUtils::get_n_SV

(

ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > >

vertices

)

Return the total number of reconstructed SVs.

get_n_SV_jets()

ROOT::VecOps::RVec< int > FCCAnalyses::VertexingUtils::get_n_SV_jets

(

ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > >

vertices

)

Return the number of reconstructed SVs per jet.

get_nDOF_SV() [1/2]

ROOT::VecOps::RVec< int > FCCAnalyses::VertexingUtils::get_nDOF_SV

(

ROOT::VecOps::RVec< FCCAnalysesVertex >

vertices

)

Return no of DOF of all reconstructed vertices (or V0.vtx)

get_nDOF_SV() [2/2]

ROOT::VecOps::RVec< ROOT::VecOps::RVec< int > > FCCAnalyses::VertexingUtils::get_nDOF_SV

(

ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > >

vertices

)

get_norm_chi2_SV() [1/2]

ROOT::VecOps::RVec< double > FCCAnalyses::VertexingUtils::get_norm_chi2_SV

(

ROOT::VecOps::RVec< FCCAnalysesVertex >

vertices

)

Return normalised chi2 of all reconstructed vertices (or V0.vtx)

get_norm_chi2_SV() [2/2]

ROOT::VecOps::RVec< ROOT::VecOps::RVec< double > > FCCAnalyses::VertexingUtils::get_norm_chi2_SV

(

ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > >

vertices

)

get_nTracks()

int FCCAnalyses::VertexingUtils::get_nTracks

(

ROOT::VecOps::RVec< edm4hep::TrackState >

tracks

)

Return the number of tracks in a given track collection.

get_Nvertex()

int FCCAnalyses::VertexingUtils::get_Nvertex

(

ROOT::VecOps::RVec< FCCAnalysesVertex >

TheVertexColl

)

Retrieve the number of reconstructed vertices from the collection of vertex object.

get_p_SV() [1/3]

ROOT::VecOps::RVec< TVector3 > FCCAnalyses::VertexingUtils::get_p_SV

(

FCCAnalysesV0

SV

)

Return the momentum of all reconstructed V0s.

get_p_SV() [2/3]

ROOT::VecOps::RVec< TVector3 > FCCAnalyses::VertexingUtils::get_p_SV

(

ROOT::VecOps::RVec< FCCAnalysesVertex >

vertices

)

Return the momentum of all reconstructed vertices (or V0.vtx)

get_p_SV() [3/3]

ROOT::VecOps::RVec< ROOT::VecOps::RVec< TVector3 > > FCCAnalyses::VertexingUtils::get_p_SV

(

ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > >

vertices

)

get_pdg_V0() [1/2]

ROOT::VecOps::RVec< int > FCCAnalyses::VertexingUtils::get_pdg_V0

(

FCCAnalysesV0

V0

)

Return the PDG IDs of all reconstructed V0s.

get_pdg_V0() [2/2]

ROOT::VecOps::RVec< ROOT::VecOps::RVec< int > > FCCAnalyses::VertexingUtils::get_pdg_V0	(	ROOT::VecOps::RVec< int >	pdg,
		ROOT::VecOps::RVec< int >	nSV_jet
	)

get_phi_SV() [1/2]

ROOT::VecOps::RVec< double > FCCAnalyses::VertexingUtils::get_phi_SV

(

ROOT::VecOps::RVec< FCCAnalysesVertex >

vertices

)

Return azimuthal angle (phi) of all reconstructed vertices (or V0.vtx)

get_phi_SV() [2/2]

ROOT::VecOps::RVec< ROOT::VecOps::RVec< double > > FCCAnalyses::VertexingUtils::get_phi_SV

(

ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > >

vertices

)

get_pMag_SV() [1/2]

ROOT::VecOps::RVec< double > FCCAnalyses::VertexingUtils::get_pMag_SV

(

ROOT::VecOps::RVec< FCCAnalysesVertex >

vertices

)

Return the momentum magnitude of all reconstructed vertices (or V0.vtx)

get_pMag_SV() [2/2]

ROOT::VecOps::RVec< ROOT::VecOps::RVec< double > > FCCAnalyses::VertexingUtils::get_pMag_SV

(

ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > >

vertices

)

get_pointingangle_SV() [1/2]

ROOT::VecOps::RVec< double > FCCAnalyses::VertexingUtils::get_pointingangle_SV	(	ROOT::VecOps::RVec< FCCAnalysesVertex >	vertices,
		FCCAnalysesVertex	PV
	)

Return the pointing angle of all reconstructed vertices (or V0.vtx)

get_pointingangle_SV() [2/2]

ROOT::VecOps::RVec< ROOT::VecOps::RVec< double > > FCCAnalyses::VertexingUtils::get_pointingangle_SV	(	ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > >	vertices,
		FCCAnalysesVertex	PV
	)

get_position_SV() [1/3]

ROOT::VecOps::RVec< TVector3 > FCCAnalyses::VertexingUtils::get_position_SV

(

FCCAnalysesV0

SV

)

Return the vertex position of all reconstructed V0s (in mm)

get_position_SV() [2/3]

ROOT::VecOps::RVec< TVector3 > FCCAnalyses::VertexingUtils::get_position_SV

(

ROOT::VecOps::RVec< FCCAnalysesVertex >

vertices

)

Return the vertex position of all reconstructed SVs (in mm)

get_position_SV() [3/3]

ROOT::VecOps::RVec< ROOT::VecOps::RVec< TVector3 > > FCCAnalyses::VertexingUtils::get_position_SV

(

ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > >

vertices

)

Return the vertex position of all reconstructed SVs (in mm)

get_PV2V0angle()

double FCCAnalyses::VertexingUtils::get_PV2V0angle	(	FCCAnalysesVertex	V0,
		FCCAnalysesVertex	PV
	)

returns the cos of the angle b/n V0 candidate's (or any vtx's) momentum & PV to V0 (vtx) displacement vector

get_PV2vtx_angle()

double FCCAnalyses::VertexingUtils::get_PV2vtx_angle	(	ROOT::VecOps::RVec< edm4hep::TrackState >	tracks,
		FCCAnalysesVertex	vtx,
		FCCAnalysesVertex	PV
	)

returns cos of the angle b/n track (that form the vtx) momentum sum & PV to vtx displacement vector

get_relPhi_SV() [1/3]

ROOT::VecOps::RVec< double > FCCAnalyses::VertexingUtils::get_relPhi_SV	(	ROOT::VecOps::RVec< FCCAnalysesVertex >	vertices,
		fastjet::PseudoJet	jet
	)

get_relPhi_SV() [2/3]

ROOT::VecOps::RVec< double > FCCAnalyses::VertexingUtils::get_relPhi_SV	(	ROOT::VecOps::RVec< FCCAnalysesVertex >	vertices,
		ROOT::VecOps::RVec< int >	nSV_jet,
		ROOT::VecOps::RVec< fastjet::PseudoJet >	jets
	)

Return azimuthal angle (phi) of all reconstructed vertices wrt jets (or V0.vtx)

get_relPhi_SV() [3/3]

ROOT::VecOps::RVec< ROOT::VecOps::RVec< double > > FCCAnalyses::VertexingUtils::get_relPhi_SV	(	ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > >	vertices,
		ROOT::VecOps::RVec< fastjet::PseudoJet >	jets
	)

get_relTheta_SV() [1/3]

ROOT::VecOps::RVec< double > FCCAnalyses::VertexingUtils::get_relTheta_SV	(	ROOT::VecOps::RVec< FCCAnalysesVertex >	vertices,
		fastjet::PseudoJet	jet
	)

get_relTheta_SV() [2/3]

ROOT::VecOps::RVec< double > FCCAnalyses::VertexingUtils::get_relTheta_SV	(	ROOT::VecOps::RVec< FCCAnalysesVertex >	vertices,
		ROOT::VecOps::RVec< int >	nSV_jet,
		ROOT::VecOps::RVec< fastjet::PseudoJet >	jets
	)

Return polar angle (theta) of all reconstructed vertices wrt jets (or V0.vtx)

get_relTheta_SV() [3/3]

ROOT::VecOps::RVec< ROOT::VecOps::RVec< double > > FCCAnalyses::VertexingUtils::get_relTheta_SV	(	ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > >	vertices,
		ROOT::VecOps::RVec< fastjet::PseudoJet >	jets
	)

get_svInJets()

ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > > FCCAnalyses::VertexingUtils::get_svInJets	(	ROOT::VecOps::RVec< FCCAnalysesVertex >	vertices,
		ROOT::VecOps::RVec< int >	nSV_jet
	)

Return V0s separated by jets.

get_theta_SV() [1/2]

ROOT::VecOps::RVec< double > FCCAnalyses::VertexingUtils::get_theta_SV

(

ROOT::VecOps::RVec< FCCAnalysesVertex >

vertices

)

Return polar angle (theta) of all reconstructed vertices (or V0.vtx)

get_theta_SV() [2/2]

ROOT::VecOps::RVec< ROOT::VecOps::RVec< double > > FCCAnalyses::VertexingUtils::get_theta_SV

(

ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > >

vertices

)

get_trackCov()

TMatrixDSym FCCAnalyses::VertexingUtils::get_trackCov	(	const edm4hep::TrackState &	atrack,
		bool	Units_mm = false
	)

get_trackE()

double FCCAnalyses::VertexingUtils::get_trackE

(

edm4hep::TrackState

track

)

returns a track's energy assuming the track to be a pion

get_trackMom()

float FCCAnalyses::VertexingUtils::get_trackMom

(

edm4hep::TrackState &

atrack

)

get_trackParam()

TVectorD FCCAnalyses::VertexingUtils::get_trackParam	(	edm4hep::TrackState &	atrack,
		bool	Units_mm = false
	)

— Internal methods needed by the code of Franco B:

get_tracksInJets()

std::vector< std::vector< edm4hep::TrackState > > FCCAnalyses::VertexingUtils::get_tracksInJets	(	ROOT::VecOps::RVec< edm4hep::ReconstructedParticleData >	recoparticles,
		ROOT::VecOps::RVec< edm4hep::TrackState >	thetracks,
		ROOT::VecOps::RVec< fastjet::PseudoJet >	jets,
		std::vector< std::vector< int > >	jet_consti
	)

Return the tracks separated by jets.

get_VertexData() [1/3]

edm4hep::VertexData FCCAnalyses::VertexingUtils::get_VertexData

(

FCCAnalysesVertex

TheVertex

)

Retrieve the edm4hep::VertexData from the vertex object.

get_VertexData() [2/3]

ROOT::VecOps::RVec< edm4hep::VertexData > FCCAnalyses::VertexingUtils::get_VertexData

(

ROOT::VecOps::RVec< FCCAnalysesVertex >

TheVertexColl

)

Retrieve a vector of edm4hep::VertexData from the collection of vertex object.

get_VertexData() [3/3]

edm4hep::VertexData FCCAnalyses::VertexingUtils::get_VertexData	(	ROOT::VecOps::RVec< FCCAnalysesVertex >	TheVertexColl,
		int	index
	)

Retrieve a edm4hep::VertexData from the collection of vertex object at a given index.

get_VertexNtrk() [1/3]

int FCCAnalyses::VertexingUtils::get_VertexNtrk

(

FCCAnalysesVertex

TheVertex

)

Retrieve the number of tracks from FCCAnalysesVertex.

get_VertexNtrk() [2/3]

ROOT::VecOps::RVec< int > FCCAnalyses::VertexingUtils::get_VertexNtrk

(

ROOT::VecOps::RVec< FCCAnalysesVertex >

vertices

)

get_VertexNtrk() [3/3]

ROOT::VecOps::RVec< ROOT::VecOps::RVec< int > > FCCAnalyses::VertexingUtils::get_VertexNtrk

(

ROOT::VecOps::RVec< ROOT::VecOps::RVec< FCCAnalysesVertex > >

vertices

)

get_VertexRecoInd()

ROOT::VecOps::RVec< int > FCCAnalyses::VertexingUtils::get_VertexRecoInd

(

FCCAnalysesVertex

TheVertex

)

Retrieve the tracks indices from FCCAnalysesVertex.

get_VertexRecoParticlesInd()

ROOT::VecOps::RVec< int > FCCAnalyses::VertexingUtils::get_VertexRecoParticlesInd	(	FCCAnalysesVertex	TheVertex,
		const ROOT::VecOps::RVec< edm4hep::ReconstructedParticleData > &	reco
	)

Retrieve the indices of the tracks fitted to that vertex, but now in the collection of RecoParticles.

ParToACTS()

TVectorD FCCAnalyses::VertexingUtils::ParToACTS

(

TVectorD

Par

)

ParToP()

TVector3 FCCAnalyses::VertexingUtils::ParToP

(

TVectorD

Par

)

from delphes: returns the momentum corresponding to a given track state

SelPrimaryTracks()

ROOT::VecOps::RVec< edm4hep::ReconstructedParticleData > FCCAnalyses::VertexingUtils::SelPrimaryTracks	(	ROOT::VecOps::RVec< int >	recind,
		ROOT::VecOps::RVec< int >	mcind,
		ROOT::VecOps::RVec< edm4hep::ReconstructedParticleData >	reco,
		ROOT::VecOps::RVec< edm4hep::MCParticleData >	mc,
		TVector3	MC_EventPrimaryVertex
	)

Selection of primary particles :

XPtoPar()

TVectorD FCCAnalyses::VertexingUtils::XPtoPar	(	TVector3	x,
		TVector3	p,
		Double_t	Q
	)

from delphes: returns track state parameters (delphes convention) for a given vertex (x), momentum (p) and charge