#include <fun4all_coresoftware/blob/master/offline/packages/KFParticle_sPHENIX/KFParticle_eventReconstruction.h>

Inheritance diagram for KFParticle_eventReconstruction:

Collaboration diagram for KFParticle_eventReconstruction:

Public Member Functions
	KFParticle_eventReconstruction ()
	KFParticle constructor.

virtual	~KFParticle_eventReconstruction ()

void	createDecay (PHCompositeNode *topNode, std::vector< KFParticle > &selectedMother, std::vector< KFParticle > &selectedVertex, std::vector< std::vector< KFParticle >> &selectedDaughters, std::vector< std::vector< KFParticle >> &selectedIntermediates, int &nPVs, int &multiplicity)

void	buildBasicChain (std::vector< KFParticle > &selectedMotherBasic, std::vector< KFParticle > &selectedVertexBasic, std::vector< std::vector< KFParticle >> &selectedDaughtersBasic, const std::vector< KFParticle > &daughterParticlesBasic, const std::vector< int > &goodTrackIndexBasic, const std::vector< KFParticle > &primaryVerticesBasic)
	Used to reconstruct simple decays with no intermediate states.

void	buildChain (std::vector< KFParticle > &selectedMotherAdv, std::vector< KFParticle > &selectedVertexAdv, std::vector< std::vector< KFParticle >> &selectedDaughtersAdv, std::vector< std::vector< KFParticle >> &selectedIntermediatesAdv, const std::vector< KFParticle > &daughterParticlesAdv, const std::vector< int > &goodTrackIndexAdv, const std::vector< KFParticle > &primaryVerticesAdv)
	Used to reconstruct more complicated decays with up to four intermediate states.

void	getCandidateDecay (std::vector< KFParticle > &selectedMotherCand, std::vector< KFParticle > &selectedVertexCand, std::vector< std::vector< KFParticle >> &selectedDaughtersCand, std::vector< KFParticle > daughterParticlesCand, std::vector< std::vector< int >> goodTracksThatMeetCand, std::vector< KFParticle > primaryVerticesCand, int n_track_start, int n_track_stop, bool isIntermediate, int intermediateNumber, bool constrainMass)
	Basic building block for event reconstruction and selection.

int	selectBestCombination (bool PVconstraint, bool isAnInterMother, std::vector< KFParticle > possibleCandidates, std::vector< KFParticle > possibleVertex)
	Method to chose best candidate from a selection of common SV's.

KFParticle	createFakePV ()

Public Member Functions inherited from KFParticle_Tools
	KFParticle_Tools ()
	KFParticle constructor.

virtual	~KFParticle_Tools ()

KFParticle	makeVertex (PHCompositeNode *topNode)

std::vector< KFParticle >	makeAllPrimaryVertices (PHCompositeNode *topNode, std::string vertexMapName)

KFParticle	makeParticle (PHCompositeNode *topNode)
	Return a KFPTrack from track vector and covariance matrix. No mass or vertex constraints.

std::vector< KFParticle >	makeAllDaughterParticles (PHCompositeNode *topNode)

int	getTracksFromVertex (PHCompositeNode *topNode, KFParticle vertex, std::string vertexMapName)

bool	isGoodTrack (KFParticle particle, const std::vector< KFParticle > primaryVertices)

int	calcMinIP (KFParticle track, std::vector< KFParticle > PVs, float &minimumIP, float &minimumIPchi2)

std::vector< int >	findAllGoodTracks (std::vector< KFParticle > daughterParticles, std::vector< KFParticle > primaryVertices)

std::vector< std::vector< int > >	findTwoProngs (std::vector< KFParticle > daughterParticles, std::vector< int > goodTrackIndex, int nTracks)

std::vector< std::vector< int > >	findNProngs (std::vector< KFParticle > daughterParticles, std::vector< int > goodTrackIndex, std::vector< std::vector< int >> goodTracksThatMeet, int nRequiredTracks, unsigned int nProngs)

std::vector< std::vector< int > >	appendTracksToIntermediates (KFParticle intermediateResonances[], std::vector< KFParticle > daughterParticles, std::vector< int > goodTrackIndex, int num_remaining_tracks)

float	eventDIRA (KFParticle particle, KFParticle vertex)
	Calculates the cosine of the angle betweent the flight direction and momentum.

float	flightDistanceChi2 (KFParticle particle, KFParticle vertex)

std::tuple< KFParticle, bool >	buildMother (KFParticle vDaughters[], std::string daughterOrder[], bool isIntermediate, int intermediateNumber, int nTracks, bool constrainMass, float required_vertexID)

void	constrainToVertex (KFParticle &particle, bool &goodCandidate, KFParticle &vertex)

std::tuple< KFParticle, bool >	getCombination (KFParticle vDaughters[], std::string daughterOrder[], KFParticle vertex, bool constrain_to_vertex, bool isIntermediate, int intermediateNumber, int nTracks, bool constrainMass, float required_vertexID)

std::vector< std::vector < std::string > >	findUniqueDaughterCombinations (int start, int end)

double	calculateEllipsoidRadius (int posOrNeg, double sigma_ii, double sigma_jj, double sigma_ij)

float	calculateEllipsoidVolume (KFParticle particle)

float	calculateJT (KFParticle mother, KFParticle daughter)

bool	isInRange (float min, float value, float max)

void	identify (KFParticle particle)

Public Member Functions inherited from KFParticle_particleList
	KFParticle_particleList ()

virtual	~KFParticle_particleList ()

std::map< std::string, particle_pair >	getParticleList ()

float	returnPDGMass (const int pdgIndex)
	Return mother masses from KFParticleDatabase ( pdg.lbl.gov/2019/reviews/rpp2019-rev-monte-carlo-numbering.pdf )

Protected Attributes
bool	m_constrain_to_vertex

bool	m_constrain_int_mass

bool	m_use_fake_pv

Protected Attributes inherited from KFParticle_Tools
std::string	m_mother_name_Tools

int	m_num_intermediate_states = -1

std::vector< int >	m_num_tracks_from_intermediate

std::vector< std::string >	m_daughter_name

std::vector< int >	m_daughter_charge

int	m_num_tracks = -1

bool	m_has_intermediates

std::vector< std::string >	m_intermediate_name

std::vector< int >	m_intermediate_charge

std::vector< std::pair< float, float > >	m_intermediate_mass_range

std::vector< float >	m_intermediate_min_pt

std::vector< float >	m_intermediate_min_dira

std::vector< float >	m_intermediate_min_fdchi2

std::vector< float >	m_intermediate_min_ip

std::vector< float >	m_intermediate_max_ip

std::vector< float >	m_intermediate_min_ipchi2

std::vector< float >	m_intermediate_max_ipchi2

float	m_min_mass = -1

float	m_max_mass = -1

float	m_min_decayTime = -1

float	m_max_decayTime = FLT_MAX

float	m_min_decayLength = -1

float	m_max_decayLength = FLT_MAX

float	m_track_pt = -1

float	m_track_ptchi2 = FLT_MAX

float	m_track_ip = -1

float	m_track_ipchi2 = -1

float	m_track_chi2ndof = FLT_MAX

float	m_comb_DCA = FLT_MAX

float	m_vertex_chi2ndof = FLT_MAX

float	m_fdchi2 = -1

float	m_dira_min = -1

float	m_dira_max = 1

float	m_mother_pt = -1

float	m_mother_ipchi2 = FLT_MAX

float	m_mva_cut_value = -1

bool	m_get_charge_conjugate = true

bool	m_allowZeroMassTracks = false

std::string	m_vtx_map_node_name

std::string	m_trk_map_node_name

SvtxVertexMap *	m_dst_vertexmap = nullptr

SvtxTrackMap *	m_dst_trackmap = nullptr

SvtxVertex *	m_dst_vertex = nullptr

SvtxTrack *	m_dst_track = nullptr

Additional Inherited Members
Protected Member Functions inherited from KFParticle_MVA
	KFParticle_MVA ()

virtual	~KFParticle_MVA ()

std::tuple< TMVA::Reader *, std::vector< Float_t > >	initMVA ()

Float_t	evaluateMVA (TMVA::Reader *reader, std::vector< Float_t > reader_floats, KFParticle particle, KFPVertex vertex)

Detailed Description

Definition at line 33 of file KFParticle_eventReconstruction.h.

View newest version in sPHENIX GitHub at line 33 of file KFParticle_eventReconstruction.h

Constructor & Destructor Documentation

KFParticle_eventReconstruction::KFParticle_eventReconstruction ( )

KFParticle constructor.

Definition at line 48 of file KFParticle_eventReconstruction.cc.

View newest version in sPHENIX GitHub at line 48 of file KFParticle_eventReconstruction.cc

virtual KFParticle_eventReconstruction::~KFParticle_eventReconstruction ( )

inlinevirtual

Definition at line 38 of file KFParticle_eventReconstruction.h.

View newest version in sPHENIX GitHub at line 38 of file KFParticle_eventReconstruction.h

Member Function Documentation

void KFParticle_eventReconstruction::buildBasicChain	(	std::vector< KFParticle > &	selectedMotherBasic,
		std::vector< KFParticle > &	selectedVertexBasic,
		std::vector< std::vector< KFParticle >> &	selectedDaughtersBasic,
		const std::vector< KFParticle > &	daughterParticlesBasic,
		const std::vector< int > &	goodTrackIndexBasic,
		const std::vector< KFParticle > &	primaryVerticesBasic
	)

Used to reconstruct simple decays with no intermediate states.

Definition at line 83 of file KFParticle_eventReconstruction.cc.

View newest version in sPHENIX GitHub at line 83 of file KFParticle_eventReconstruction.cc

References KFParticle_Tools::findNProngs(), KFParticle_Tools::findTwoProngs(), getCandidateDecay(), KFParticle_Tools::m_num_tracks, and p.

Referenced by createDecay().

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void KFParticle_eventReconstruction::buildChain	(	std::vector< KFParticle > &	selectedMotherAdv,
		std::vector< KFParticle > &	selectedVertexAdv,
		std::vector< std::vector< KFParticle >> &	selectedDaughtersAdv,
		std::vector< std::vector< KFParticle >> &	selectedIntermediatesAdv,
		const std::vector< KFParticle > &	daughterParticlesAdv,
		const std::vector< int > &	goodTrackIndexAdv,
		const std::vector< KFParticle > &	primaryVerticesAdv
	)

Used to reconstruct more complicated decays with up to four intermediate states.

Definition at line 100 of file KFParticle_eventReconstruction.cc.

View newest version in sPHENIX GitHub at line 100 of file KFParticle_eventReconstruction.cc

References KFParticle_Tools::appendTracksToIntermediates(), c, d, KFParticle_Tools::findNProngs(), KFParticle_Tools::findTwoProngs(), KFParticle_Tools::findUniqueDaughterCombinations(), getCandidateDecay(), KFParticle_Tools::getCombination(), it, k, Acts::UnitConstants::m, m_constrain_int_mass, m_constrain_to_vertex, KFParticle_Tools::m_daughter_charge, KFParticle_Tools::m_daughter_name, KFParticle_Tools::m_intermediate_charge, KFParticle_Tools::m_intermediate_name, KFParticle_Tools::m_num_intermediate_states, KFParticle_Tools::m_num_tracks, KFParticle_Tools::m_num_tracks_from_intermediate, n, p, selectBestCombination(), and vector().

Referenced by createDecay().

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void KFParticle_eventReconstruction::createDecay	(	PHCompositeNode *	topNode,
		std::vector< KFParticle > &	selectedMother,
		std::vector< KFParticle > &	selectedVertex,
		std::vector< std::vector< KFParticle >> &	selectedDaughters,
		std::vector< std::vector< KFParticle >> &	selectedIntermediates,
		int &	nPVs,
		int &	multiplicity
	)

Starts the reconstruction chain

Parameters

selectedMother	Input a vector and it will be filled with any mother candidates
selectedVertex	Input a vector and it will be filled with the production vertex associated to your mother
selectedDaughters	Input a vector and it will be filled with any tracks associated to your mother
selectedIntermediates	Input a vector and it will be filled with any intermediate states associated to your mother

Definition at line 55 of file KFParticle_eventReconstruction.cc.

View newest version in sPHENIX GitHub at line 55 of file KFParticle_eventReconstruction.cc

References buildBasicChain(), buildChain(), createFakePV(), KFParticle_Tools::findAllGoodTracks(), KFParticle_Tools::m_has_intermediates, m_use_fake_pv, KFParticle_Tools::m_vtx_map_node_name, KFParticle_Tools::makeAllDaughterParticles(), and KFParticle_Tools::makeAllPrimaryVertices().

Referenced by KFParticle_sPHENIX::process_event().

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KFParticle KFParticle_eventReconstruction::createFakePV ( )

Definition at line 395 of file KFParticle_eventReconstruction.cc.

View newest version in sPHENIX GitHub at line 395 of file KFParticle_eventReconstruction.cc

Referenced by createDecay().

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void KFParticle_eventReconstruction::getCandidateDecay	(	std::vector< KFParticle > &	selectedMotherCand,
		std::vector< KFParticle > &	selectedVertexCand,
		std::vector< std::vector< KFParticle >> &	selectedDaughtersCand,
		std::vector< KFParticle >	daughterParticlesCand,
		std::vector< std::vector< int >>	goodTracksThatMeetCand,
		std::vector< KFParticle >	primaryVerticesCand,
		int	n_track_start,
		int	n_track_stop,
		bool	isIntermediate,
		int	intermediateNumber,
		bool	constrainMass
	)

Basic building block for event reconstruction and selection.

Definition at line 281 of file KFParticle_eventReconstruction.cc.

View newest version in sPHENIX GitHub at line 281 of file KFParticle_eventReconstruction.cc

References KFParticle_Tools::calcMinIP(), KFParticle_Tools::findUniqueDaughterCombinations(), for(), KFParticle_Tools::getCombination(), KFParticle_Tools::isInRange(), m_constrain_to_vertex, KFParticle_Tools::m_daughter_charge, KFParticle_Tools::m_daughter_name, KFParticle_Tools::m_intermediate_max_ip, KFParticle_Tools::m_intermediate_max_ipchi2, KFParticle_Tools::m_intermediate_min_ip, KFParticle_Tools::m_intermediate_min_ipchi2, eicpy.verify::names, and selectBestCombination().

Referenced by buildBasicChain(), and buildChain().

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int KFParticle_eventReconstruction::selectBestCombination	(	bool	PVconstraint,
		bool	isAnInterMother,
		std::vector< KFParticle >	possibleCandidates,
		std::vector< KFParticle >	possibleVertex
	)

Method to chose best candidate from a selection of common SV's.

Definition at line 365 of file KFParticle_eventReconstruction.cc.

View newest version in sPHENIX GitHub at line 365 of file KFParticle_eventReconstruction.cc

Referenced by buildChain(), and getCandidateDecay().

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Member Data Documentation

bool KFParticle_eventReconstruction::m_constrain_int_mass

protected

Definition at line 89 of file KFParticle_eventReconstruction.h.

View newest version in sPHENIX GitHub at line 89 of file KFParticle_eventReconstruction.h

Referenced by buildChain(), and KFParticle_sPHENIX::constrainIntermediateMasses().

bool KFParticle_eventReconstruction::m_constrain_to_vertex

protected

Definition at line 88 of file KFParticle_eventReconstruction.h.

View newest version in sPHENIX GitHub at line 88 of file KFParticle_eventReconstruction.h

Referenced by buildChain(), KFParticle_sPHENIX::constrainToPrimaryVertex(), and getCandidateDecay().

bool KFParticle_eventReconstruction::m_use_fake_pv

protected

Definition at line 90 of file KFParticle_eventReconstruction.h.

View newest version in sPHENIX GitHub at line 90 of file KFParticle_eventReconstruction.h

Referenced by createDecay(), KFParticle_sPHENIX::process_event(), and KFParticle_sPHENIX::useFakePrimaryVertex().

The documentation for this class was generated from the following files:

fun4all_coresoftware/blob/master/offline/packages/KFParticle_sPHENIX/KFParticle_eventReconstruction.h
fun4all_coresoftware/blob/master/offline/packages/KFParticle_sPHENIX/KFParticle_eventReconstruction.cc

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation