PFDisplacedVertexHelper Class Reference

Displaced Vertex Finder Algorithm. More...

#include <PFDisplacedVertexHelper.h>

Classes
struct	TracksSelector
	Tool which store the information for the tracks selection. More...
struct	VertexIdentifier
	Tool which store the information for the vertex identification. More...

Public Member Functions
void	Dump (std::ostream &out=std::cout) const
reco::PFDisplacedVertex::VertexType	identifyVertex (const reco::PFDisplacedVertex &v) const
	Vertex identification tool. More...
bool	isTrackSelected (const reco::Track &trk, const reco::PFDisplacedVertex::VertexTrackType vertexTrackType) const
	Select tracks tool. More...
	PFDisplacedVertexHelper ()
math::XYZPoint	primaryVertex () const
	Set Vertex direction using the primary vertex. More...
void	setPrimaryVertex (edm::Handle< reco::VertexCollection > mainVertexHandle, edm::Handle< reco::BeamSpot > beamSpotHandle)
	Update the primary vertex information. More...
void	setTracksSelector (const edm::ParameterSet &ps)
	Set Tracks selector parameters. More...
void	setVertexIdentifier (const edm::ParameterSet &ps)
	Set Vertex identifier parameters. More...
	~PFDisplacedVertexHelper ()

Private Member Functions
bool	isKaonMass (const reco::PFDisplacedVertex &v) const
int	lambdaCP (const reco::PFDisplacedVertex &v) const
	Tools used to calculate quantities for vertex identification. More...

Private Attributes
math::XYZPoint	pvtx_
	Primary vertex information updated for each event. More...
TracksSelector	tracksSelector_
VertexIdentifier	vertexIdentifier_

Static Private Attributes
static const double	muon_mass2 = 0.106*0.106
static const double	pion_mass2 = 0.0194
	Masses2 taken from PDG. More...
static const double	proton_mass2 = 0.938*0.938

Detailed Description

Displaced Vertex Finder Algorithm.

Author

Maxime Gouzevitch

Date

October 2009

Definition at line 17 of file PFDisplacedVertexHelper.h.

Constructor & Destructor Documentation

PFDisplacedVertexHelper::PFDisplacedVertexHelper

(

)

Definition at line 19 of file PFDisplacedVertexHelper.cc.

PFDisplacedVertexHelper::~PFDisplacedVertexHelper

(

)

Definition at line 24 of file PFDisplacedVertexHelper.cc.

Member Function Documentation

void PFDisplacedVertexHelper::Dump

(

std::ostream &

out = std::cout

)

const

Definition at line 364 of file PFDisplacedVertexHelper.cc.

reco::PFDisplacedVertex::VertexType PFDisplacedVertexHelper::identifyVertex

(

const reco::PFDisplacedVertex &

v

)

const

Vertex identification tool.

Definition at line 94 of file PFDisplacedVertexHelper.cc.

bool PFDisplacedVertexHelper::isKaonMass ( const reco::PFDisplacedVertex &  v ) const

private

Definition at line 333 of file PFDisplacedVertexHelper.cc.

bool PFDisplacedVertexHelper::isTrackSelected	(	const reco::Track &	trk,
		const reco::PFDisplacedVertex::VertexTrackType	vertexTrackType
	)		const

Select tracks tool.

Definition at line 45 of file PFDisplacedVertexHelper.cc.

int PFDisplacedVertexHelper::lambdaCP ( const reco::PFDisplacedVertex &  v ) const

private

Tools used to calculate quantities for vertex identification.

Definition at line 246 of file PFDisplacedVertexHelper.cc.

math::XYZPoint PFDisplacedVertexHelper::primaryVertex ( ) const

inline

Set Vertex direction using the primary vertex.

Definition at line 47 of file PFDisplacedVertexHelper.h.

void PFDisplacedVertexHelper::setPrimaryVertex	(	edm::Handle< reco::VertexCollection >	mainVertexHandle,
		edm::Handle< reco::BeamSpot >	beamSpotHandle
	)

Update the primary vertex information.

Definition at line 26 of file PFDisplacedVertexHelper.cc.

void PFDisplacedVertexHelper::setTracksSelector ( const edm::ParameterSet &  ps )

inline

Set Tracks selector parameters.

Definition at line 25 of file PFDisplacedVertexHelper.h.

void PFDisplacedVertexHelper::setVertexIdentifier ( const edm::ParameterSet &  ps )

inline

Set Vertex identifier parameters.

Definition at line 30 of file PFDisplacedVertexHelper.h.

Member Data Documentation

const double PFDisplacedVertexHelper::muon_mass2 = 0.106*0.106

staticprivate

Definition at line 207 of file PFDisplacedVertexHelper.h.

const double PFDisplacedVertexHelper::pion_mass2 = 0.0194

staticprivate

Masses2 taken from PDG.

Definition at line 206 of file PFDisplacedVertexHelper.h.

const double PFDisplacedVertexHelper::proton_mass2 = 0.938*0.938

staticprivate

Definition at line 208 of file PFDisplacedVertexHelper.h.

math::XYZPoint PFDisplacedVertexHelper::pvtx_

private

Primary vertex information updated for each event.

Definition at line 203 of file PFDisplacedVertexHelper.h.

TracksSelector PFDisplacedVertexHelper::tracksSelector_

private

Definition at line 200 of file PFDisplacedVertexHelper.h.

VertexIdentifier PFDisplacedVertexHelper::vertexIdentifier_

private

Definition at line 201 of file PFDisplacedVertexHelper.h.