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reco::PFDisplacedVertex Class Reference

Block of elements. More...

#include <PFDisplacedVertex.h>

Inheritance diagram for reco::PFDisplacedVertex:
reco::Vertex

Public Types

enum  M_Hypo {
  M_CUSTOM, M_MASSLESS, M_PION, M_KAON,
  M_LAMBDA
}
 Mass hypothesis enum. More...
 
typedef std::pair
< PFTrackHitInfo,
PFTrackHitInfo
PFTrackHitFullInfo
 
typedef std::pair< unsigned
int, unsigned int > 
PFTrackHitInfo
 Information on the distance between track's hits and the Vertex. More...
 
enum  VertexTrackType { T_NOT_FROM_VERTEX, T_TO_VERTEX, T_FROM_VERTEX, T_MERGED }
 
enum  VertexType {
  ANY = 0, FAKE = 1, LOOPER = 2, NUCL = 10,
  NUCL_LOOSE = 11, NUCL_KINK = 12, CONVERSION = 20, CONVERSION_LOOSE = 21,
  CONVERTED_BREMM = 22, K0_DECAY = 30, LAMBDA_DECAY = 31, LAMBDABAR_DECAY = 32,
  KPLUS_DECAY = 40, KMINUS_DECAY = 41, KPLUS_DECAY_LOOSE = 42, KMINUS_DECAY_LOOSE = 43,
  BSM_VERTEX = 100
}
 
- Public Types inherited from reco::Vertex
enum  { dimension = 3 }
 error matrix dimension More...
 
enum  { size = dimension * ( dimension + 1 ) / 2 }
 matix size More...
 
typedef math::Error< dimension >
::type 
CovarianceMatrix
 covariance error matrix (3x3) More...
 
typedef math::Error< dimension >
::type 
Error
 covariance error matrix (3x3) More...
 
typedef unsigned int index
 index type More...
 
typedef math::XYZPoint Point
 point in the space More...
 
typedef std::vector
< TrackBaseRef >
::const_iterator 
trackRef_iterator
 The iteratator for the vector<TrackRef> More...
 

Public Member Functions

void addElement (const TrackBaseRef &r, const Track &refTrack, const PFTrackHitFullInfo &hitInfo, VertexTrackType trackType=T_NOT_FROM_VERTEX, float w=1.0)
 Add a new track to the vertex. More...
 
const double angle_io () const
 
void calcKinematics ()
 
void cleanTracks ()
 Clean the tracks collection and all the associated collections. More...
 
void Dump (std::ostream &out=std::cout) const
 cout function More...
 
bool isBSM () const
 
bool isConv () const
 
bool isConv_Loose () const
 
bool isConvertedBremm () const
 
bool isFake () const
 
const bool isIncomingTrack (const reco::TrackBaseRef &originalTrack) const
 Is primary or merged track. More...
 
bool isK0 () const
 
bool isKminus () const
 
bool isKminus_Loose () const
 
bool isKplus () const
 
bool isKplus_Loose () const
 
bool isLambda () const
 
bool isLambdaBar () const
 
bool isLooper () const
 
const bool isMergedTrack (const reco::TrackBaseRef &originalTrack) const
 Is a secondary track was identified. More...
 
bool isNucl () const
 
bool isNucl_Kink () const
 
bool isNucl_Loose () const
 
const bool isOutgoingTrack (const reco::TrackBaseRef &originalTrack) const
 Is secondary track. More...
 
const bool isPrimaryTrack (const reco::TrackBaseRef &originalTrack) const
 Is a primary track was identified. More...
 
const bool isSecondaryTrack (const reco::TrackBaseRef &originalTrack) const
 Is a secondary track was identified. More...
 
const bool isThereMergedTracks () const
 If a merged track was identified. More...
 
const bool isThereNotFromVertexTracks () const
 If there is a track which was not identified. More...
 
const bool isTherePrimaryTracks () const
 --—— Provide useful information --—— /// More...
 
const bool isThereSecondaryTracks () const
 If a secondary track was identified. More...
 
std::string nameVertexType () const
 
const int nMergedTracks () const
 Number of merged tracks was identified. More...
 
const int nNotFromVertexTracks () const
 Number of tracks which was not identified. More...
 
const int nPrimaryTracks () const
 Number of primary tracks was identified. More...
 
const int nSecondaryTracks () const
 Number of secondary tracks was identified. More...
 
const int nTracks () const
 Number of tracks. More...
 
 PFDisplacedVertex ()
 Default constructor. More...
 
 PFDisplacedVertex (reco::Vertex &)
 Constructor from the reco::Vertex. More...
 
const math::XYZVector primaryDirection () const
 Primary Direction. More...
 
const math::XYZTLorentzVector primaryMomentum (std::string massHypo="PI", bool useRefitted=true, double mass=0.0) const
 Momentum of primary or merged track calculated with a mass hypothesis. More...
 
const math::XYZTLorentzVector primaryMomentum (M_Hypo massHypo, bool useRefitted=true, double mass=0.0) const
 Momentum of primary or merged track calculated with a mass hypothesis. More...
 
const double primaryPt () const
 Momentum of primary or merged track calculated with a mass hypothesis. More...
 
const math::XYZTLorentzVector secondaryMomentum (std::string massHypo="PI", bool useRefitted=true, double mass=0.0) const
 
const math::XYZTLorentzVector secondaryMomentum (M_Hypo massHypo, bool useRefitted=true, double mass=0.0) const
 
const double secondaryPt () const
 
void setPrimaryDirection (const math::XYZPoint &pvtx)
 
void setVertexType (VertexType vertexType)
 Set the type of this vertex. More...
 
const int totalCharge () const
 Total Charge. More...
 
const PFTrackHitFullInfo trackHitFullInfo (const reco::TrackBaseRef &originalTrack) const
 
const std::vector
< PFTrackHitFullInfo
trackHitFullInfos () const
 
const std::vector
< VertexTrackType
trackTypes () const
 
VertexType vertexType ()
 Get the type of this vertex. More...
 
- Public Member Functions inherited from reco::Vertex
void add (const TrackBaseRef &r, float w=1.0)
 add a reference to a Track More...
 
void add (const TrackBaseRef &r, const Track &refTrack, float w=1.0)
 add the original a Track(reference) and the smoothed Track More...
 
double chi2 () const
 chi-squares More...
 
double covariance (int i, int j) const
 (i, j)-th element of error matrix, i, j = 0, ... 2 More...
 
CovarianceMatrix covariance () const
 return SMatrix More...
 
Error error () const
 return SMatrix More...
 
void fill (CovarianceMatrix &v) const
 fill SMatrix More...
 
bool hasRefittedTracks () const
 Checks whether refitted tracks are stored. More...
 
bool isFake () const
 
bool isValid () const
 Tells whether the vertex is valid. More...
 
double ndof () const
 
double normalizedChi2 () const
 chi-squared divided by n.d.o.f. More...
 
unsigned int nTracks (float minWeight=0.5) const
 Returns the number of tracks in the vertex with weight above minWeight. More...
 
TrackBaseRef originalTrack (const Track &refTrack) const
 
math::XYZTLorentzVectorD p4 (float mass=0.13957018, float minWeight=0.5) const
 Returns the four momentum of the sum of the tracks, assuming the given mass for the decay products. More...
 
const Pointposition () const
 position More...
 
Track refittedTrack (const TrackBaseRef &track) const
 
Track refittedTrack (const TrackRef &track) const
 
const std::vector< Track > & refittedTracks () const
 Returns the container of refitted tracks. More...
 
void removeTracks ()
 
trackRef_iterator tracks_begin () const
 first iterator over tracks More...
 
trackRef_iterator tracks_end () const
 last iterator over tracks More...
 
size_t tracksSize () const
 number of tracks More...
 
template<typename TREF >
float trackWeight (const TREF &r) const
 returns the weight with which a Track has contributed to the vertex-fit. More...
 
 Vertex ()
 
 Vertex (const Point &, const Error &)
 Constructor for a fake vertex. More...
 
 Vertex (const Point &, const Error &, double chi2, double ndof, size_t size)
 constructor for a valid vertex, with all data More...
 
double x () const
 x coordinate More...
 
double xError () const
 error on x More...
 
double y () const
 y coordinate More...
 
double yError () const
 error on y More...
 
double z () const
 y coordinate More...
 
double zError () const
 error on z More...
 

Private Member Functions

const double getMass2 (M_Hypo, double) const
 Get the mass with a given hypothesis. More...
 
const bool isThereKindTracks (VertexTrackType) const
 ---—— TOOLS --------—— /// More...
 
const bool isTrack (size_t itrk, VertexTrackType T) const
 
const math::XYZTLorentzVector momentum (std::string, VertexTrackType, bool, double mass) const
 Common tool to calculate the momentum vector of tracks with a given Kind. More...
 
const math::XYZTLorentzVector momentum (M_Hypo massHypo, VertexTrackType, bool, double mass) const
 Common tool to calculate the momentum vector of tracks with a given Kind. More...
 
const int nKindTracks (VertexTrackType) const
 Common tool used to get the number of tracks of a given Kind. More...
 
const size_t trackPosition (const reco::TrackBaseRef &originalTrack) const
 

Private Attributes

math::XYZTLorentzVector defaultPrimaryMomentum_
 
math::XYZTLorentzVector defaultSecondaryMomentum_
 
math::XYZVector primaryDirection_
 
std::vector< PFTrackHitFullInfotrackHitFullInfos_
 Information on the distance between track's hits and the Vertex. More...
 
std::vector< VertexTrackTypetrackTypes_
 Types of the tracks associated to the vertex. More...
 
VertexType vertexType_
 --—— MEMBERS --—— /// More...
 

Detailed Description

Block of elements.

Author
Maxime Gouzevitch
Date
November 2009

A DisplacedVertex is an extension of Vector with some additionnal informations tracks's hit-vertex distances, tracks types and the expected vertex type.

Definition at line 24 of file PFDisplacedVertex.h.

Member Typedef Documentation

Definition at line 30 of file PFDisplacedVertex.h.

typedef std::pair<unsigned int, unsigned int> reco::PFDisplacedVertex::PFTrackHitInfo

Information on the distance between track's hits and the Vertex.

Definition at line 29 of file PFDisplacedVertex.h.

Member Enumeration Documentation

Mass hypothesis enum.

Enumerator
M_CUSTOM 
M_MASSLESS 
M_PION 
M_KAON 
M_LAMBDA 

Definition at line 33 of file PFDisplacedVertex.h.

Classification of tracks according to the position with respect to the Vertex. A Merged track is a track which has at least two hits before and two hits after the vertex. It may come from a primary track merged with a low quality secondary track.

Enumerator
T_NOT_FROM_VERTEX 
T_TO_VERTEX 
T_FROM_VERTEX 
T_MERGED 

Definition at line 46 of file PFDisplacedVertex.h.

Classification of vertex according to different parameters such as the Number of tracks, the invariant mass etc...

Enumerator
ANY 
FAKE 
LOOPER 
NUCL 
NUCL_LOOSE 
NUCL_KINK 
CONVERSION 
CONVERSION_LOOSE 
CONVERTED_BREMM 
K0_DECAY 
LAMBDA_DECAY 
LAMBDABAR_DECAY 
KPLUS_DECAY 
KMINUS_DECAY 
KPLUS_DECAY_LOOSE 
KMINUS_DECAY_LOOSE 
BSM_VERTEX 

Definition at line 55 of file PFDisplacedVertex.h.

Constructor & Destructor Documentation

PFDisplacedVertex::PFDisplacedVertex ( )

Default constructor.

Definition at line 9 of file PFDisplacedVertex.cc.

PFDisplacedVertex::PFDisplacedVertex ( reco::Vertex v)

Constructor from the reco::Vertex.

Definition at line 14 of file PFDisplacedVertex.cc.

Member Function Documentation

void PFDisplacedVertex::addElement ( const TrackBaseRef r,
const Track refTrack,
const PFTrackHitFullInfo hitInfo,
VertexTrackType  trackType = T_NOT_FROM_VERTEX,
float  w = 1.0 
)

Add a new track to the vertex.

Definition at line 20 of file PFDisplacedVertex.cc.

const double PFDisplacedVertex::angle_io ( ) const

Angle PrimaryVertex-DisplacedVertex (or primary track if there is) And secondary momentum

Definition at line 189 of file PFDisplacedVertex.cc.

void reco::PFDisplacedVertex::calcKinematics ( )
inline

Definition at line 223 of file PFDisplacedVertex.h.

void PFDisplacedVertex::cleanTracks ( )

Clean the tracks collection and all the associated collections.

Definition at line 29 of file PFDisplacedVertex.cc.

void PFDisplacedVertex::Dump ( std::ostream &  out = std::cout) const

cout function

Definition at line 241 of file PFDisplacedVertex.cc.

const double PFDisplacedVertex::getMass2 ( M_Hypo  massHypo,
double  mass 
) const
private

Get the mass with a given hypothesis.

Definition at line 221 of file PFDisplacedVertex.cc.

bool reco::PFDisplacedVertex::isBSM ( ) const
inline

Definition at line 266 of file PFDisplacedVertex.h.

bool reco::PFDisplacedVertex::isConv ( ) const
inline

Definition at line 256 of file PFDisplacedVertex.h.

bool reco::PFDisplacedVertex::isConv_Loose ( ) const
inline

Definition at line 257 of file PFDisplacedVertex.h.

bool reco::PFDisplacedVertex::isConvertedBremm ( ) const
inline

Definition at line 258 of file PFDisplacedVertex.h.

bool reco::PFDisplacedVertex::isFake ( ) const
inline

Definition at line 251 of file PFDisplacedVertex.h.

const bool reco::PFDisplacedVertex::isIncomingTrack ( const reco::TrackBaseRef originalTrack) const
inline

Is primary or merged track.

Definition at line 157 of file PFDisplacedVertex.h.

bool reco::PFDisplacedVertex::isK0 ( ) const
inline

Definition at line 259 of file PFDisplacedVertex.h.

bool reco::PFDisplacedVertex::isKminus ( ) const
inline

Definition at line 263 of file PFDisplacedVertex.h.

bool reco::PFDisplacedVertex::isKminus_Loose ( ) const
inline

Definition at line 265 of file PFDisplacedVertex.h.

bool reco::PFDisplacedVertex::isKplus ( ) const
inline

Definition at line 262 of file PFDisplacedVertex.h.

bool reco::PFDisplacedVertex::isKplus_Loose ( ) const
inline

Definition at line 264 of file PFDisplacedVertex.h.

bool reco::PFDisplacedVertex::isLambda ( ) const
inline

Definition at line 260 of file PFDisplacedVertex.h.

bool reco::PFDisplacedVertex::isLambdaBar ( ) const
inline

Definition at line 261 of file PFDisplacedVertex.h.

bool reco::PFDisplacedVertex::isLooper ( ) const
inline

Definition at line 252 of file PFDisplacedVertex.h.

const bool reco::PFDisplacedVertex::isMergedTrack ( const reco::TrackBaseRef originalTrack) const
inline

Is a secondary track was identified.

Definition at line 143 of file PFDisplacedVertex.h.

bool reco::PFDisplacedVertex::isNucl ( ) const
inline

Definition at line 253 of file PFDisplacedVertex.h.

bool reco::PFDisplacedVertex::isNucl_Kink ( ) const
inline

Definition at line 255 of file PFDisplacedVertex.h.

bool reco::PFDisplacedVertex::isNucl_Loose ( ) const
inline

Definition at line 254 of file PFDisplacedVertex.h.

const bool reco::PFDisplacedVertex::isOutgoingTrack ( const reco::TrackBaseRef originalTrack) const
inline

Is secondary track.

Definition at line 164 of file PFDisplacedVertex.h.

const bool reco::PFDisplacedVertex::isPrimaryTrack ( const reco::TrackBaseRef originalTrack) const
inline

Is a primary track was identified.

Definition at line 129 of file PFDisplacedVertex.h.

const bool reco::PFDisplacedVertex::isSecondaryTrack ( const reco::TrackBaseRef originalTrack) const
inline

Is a secondary track was identified.

Definition at line 136 of file PFDisplacedVertex.h.

const bool PFDisplacedVertex::isThereKindTracks ( VertexTrackType  T) const
private

---—— TOOLS --------—— ///

Common tool used to know if there are tracks of a given Kind

Definition at line 39 of file PFDisplacedVertex.cc.

const bool reco::PFDisplacedVertex::isThereMergedTracks ( ) const
inline

If a merged track was identified.

Definition at line 114 of file PFDisplacedVertex.h.

const bool reco::PFDisplacedVertex::isThereNotFromVertexTracks ( ) const
inline

If there is a track which was not identified.

Definition at line 122 of file PFDisplacedVertex.h.

const bool reco::PFDisplacedVertex::isTherePrimaryTracks ( ) const
inline

--—— Provide useful information --—— ///

If a primary track was identified

Definition at line 110 of file PFDisplacedVertex.h.

const bool reco::PFDisplacedVertex::isThereSecondaryTracks ( ) const
inline

If a secondary track was identified.

Definition at line 118 of file PFDisplacedVertex.h.

const bool reco::PFDisplacedVertex::isTrack ( size_t  itrk,
VertexTrackType  T 
) const
inlineprivate

Definition at line 299 of file PFDisplacedVertex.h.

const math::XYZTLorentzVector reco::PFDisplacedVertex::momentum ( std::string  ,
VertexTrackType  ,
bool  ,
double  mass 
) const
private

Common tool to calculate the momentum vector of tracks with a given Kind.

const math::XYZTLorentzVector PFDisplacedVertex::momentum ( M_Hypo  massHypo,
VertexTrackType  T,
bool  useRefitted,
double  mass 
) const
private

Common tool to calculate the momentum vector of tracks with a given Kind.

Definition at line 130 of file PFDisplacedVertex.cc.

std::string PFDisplacedVertex::nameVertexType ( ) const

Definition at line 88 of file PFDisplacedVertex.cc.

const int PFDisplacedVertex::nKindTracks ( VertexTrackType  T) const
private

Common tool used to get the number of tracks of a given Kind.

Definition at line 48 of file PFDisplacedVertex.cc.

const int reco::PFDisplacedVertex::nMergedTracks ( ) const
inline

Number of merged tracks was identified.

Definition at line 176 of file PFDisplacedVertex.h.

const int reco::PFDisplacedVertex::nNotFromVertexTracks ( ) const
inline

Number of tracks which was not identified.

Definition at line 184 of file PFDisplacedVertex.h.

const int reco::PFDisplacedVertex::nPrimaryTracks ( ) const
inline

Number of primary tracks was identified.

Definition at line 172 of file PFDisplacedVertex.h.

const int reco::PFDisplacedVertex::nSecondaryTracks ( ) const
inline

Number of secondary tracks was identified.

Definition at line 180 of file PFDisplacedVertex.h.

const int reco::PFDisplacedVertex::nTracks ( ) const
inline

Number of tracks.

Definition at line 188 of file PFDisplacedVertex.h.

const math::XYZVector PFDisplacedVertex::primaryDirection ( ) const

Primary Direction.

Definition at line 202 of file PFDisplacedVertex.cc.

const math::XYZTLorentzVector reco::PFDisplacedVertex::primaryMomentum ( std::string  massHypo = "PI",
bool  useRefitted = true,
double  mass = 0.0 
) const
inline

Momentum of primary or merged track calculated with a mass hypothesis.

Definition at line 202 of file PFDisplacedVertex.h.

const math::XYZTLorentzVector reco::PFDisplacedVertex::primaryMomentum ( M_Hypo  massHypo,
bool  useRefitted = true,
double  mass = 0.0 
) const
inline

Momentum of primary or merged track calculated with a mass hypothesis.

Definition at line 218 of file PFDisplacedVertex.h.

const double reco::PFDisplacedVertex::primaryPt ( ) const
inline

Momentum of primary or merged track calculated with a mass hypothesis.

Definition at line 233 of file PFDisplacedVertex.h.

const math::XYZTLorentzVector reco::PFDisplacedVertex::secondaryMomentum ( std::string  massHypo = "PI",
bool  useRefitted = true,
double  mass = 0.0 
) const
inline

Momentum of secondary tracks calculated with a mass hypothesis. Some of those hypothesis are default: "PI" , "KAON", "LAMBDA", "MASSLESS", "CUSTOM" the value of custom shall be then provided in mass variable

Definition at line 196 of file PFDisplacedVertex.h.

const math::XYZTLorentzVector reco::PFDisplacedVertex::secondaryMomentum ( M_Hypo  massHypo,
bool  useRefitted = true,
double  mass = 0.0 
) const
inline

Momentum of secondary tracks calculated with a mass hypothesis. Some of those hypothesis are default: "PI" , "KAON", "LAMBDA", "MASSLESS", "CUSTOM" the value of custom shall be then provided in mass variable

Definition at line 212 of file PFDisplacedVertex.h.

const double reco::PFDisplacedVertex::secondaryPt ( ) const
inline

Definition at line 229 of file PFDisplacedVertex.h.

void PFDisplacedVertex::setPrimaryDirection ( const math::XYZPoint pvtx)

Estimate the direction of the vertex. This function produced a unitary vector. It is calculated the axis linking the primary vertex of the event pvtx to this vertex

Definition at line 78 of file PFDisplacedVertex.cc.

void reco::PFDisplacedVertex::setVertexType ( VertexType  vertexType)
inline

Set the type of this vertex.

Definition at line 91 of file PFDisplacedVertex.h.

const int PFDisplacedVertex::totalCharge ( ) const

Total Charge.

Definition at line 175 of file PFDisplacedVertex.cc.

const PFTrackHitFullInfo reco::PFDisplacedVertex::trackHitFullInfo ( const reco::TrackBaseRef originalTrack) const
inline

Definition at line 149 of file PFDisplacedVertex.h.

const std::vector< PFTrackHitFullInfo > reco::PFDisplacedVertex::trackHitFullInfos ( ) const
inline

Definition at line 100 of file PFDisplacedVertex.h.

const size_t PFDisplacedVertex::trackPosition ( const reco::TrackBaseRef originalTrack) const
private

Definition at line 56 of file PFDisplacedVertex.cc.

const std::vector<VertexTrackType> reco::PFDisplacedVertex::trackTypes ( ) const
inline

Definition at line 103 of file PFDisplacedVertex.h.

VertexType reco::PFDisplacedVertex::vertexType ( )
inline

Get the type of this vertex.

Definition at line 98 of file PFDisplacedVertex.h.

Member Data Documentation

math::XYZTLorentzVector reco::PFDisplacedVertex::defaultPrimaryMomentum_
private

Definition at line 317 of file PFDisplacedVertex.h.

math::XYZTLorentzVector reco::PFDisplacedVertex::defaultSecondaryMomentum_
private

Definition at line 318 of file PFDisplacedVertex.h.

math::XYZVector reco::PFDisplacedVertex::primaryDirection_
private

Definition at line 315 of file PFDisplacedVertex.h.

std::vector< PFTrackHitFullInfo > reco::PFDisplacedVertex::trackHitFullInfos_
private

Information on the distance between track's hits and the Vertex.

Definition at line 313 of file PFDisplacedVertex.h.

std::vector< VertexTrackType > reco::PFDisplacedVertex::trackTypes_
private

Types of the tracks associated to the vertex.

Definition at line 310 of file PFDisplacedVertex.h.

VertexType reco::PFDisplacedVertex::vertexType_
private

--—— MEMBERS --—— ///

This vertex type

Definition at line 307 of file PFDisplacedVertex.h.