Utility for the track selection - used in various calibration modules. More...

#include <TrackSelector.h>

Collaboration diagram for TrackSelector:

[legend]

Public Types
enum	EType { c_undefined = 0, c_dimuon = 1, c_bhabha = 2, c_cosmics = 3 }
	enumerators for possible data sample types (skims)

Public Member Functions
	TrackSelector ()
	Default constructor.

	TrackSelector (const std::string &sampleName)
	Useful constructor. More...

void	setMinMomentum (double minMomentum)
	Sets momentum cut (used for "cosmics" only) More...

void	setDeltaEcms (double deltaEcms)
	Sets cut on c.m.s. More...

void	setCutOnPOCA (double dr, double dz)
	Sets cut on point of closest approach to (0, 0, 0) More...

void	setCutOnLocalZ (double minZ, double maxZ)
	Sets cut on local z coordinate (module frame) of the track extrapolated to TOP. More...

const std::string &	getSampleName () const
	Returns sample name. More...

double	getMinMomentum () const
	Returns momentum cut. More...

double	getDeltaEcms () const
	Returns c.m.s. More...

double	getDr () const
	Returns POCA cut in r. More...

double	getDz () const
	Returns POCA cut in z. More...

double	getMinZ () const
	Returns cut on local z. More...

double	getMaxZ () const
	Returns cut on local z. More...

const Const::ChargedStable &	getChargedStable () const
	Returns track hypothesis.

const TVector3 &	getPOCAPosition () const
	Returns position of POCA of the track in last isSelected call. More...

const TVector3 &	getPOCAMomentum () const
	Returns momentum vector at POCA of the track in last isSelected call. More...

double	getCMSEnergy () const
	Returns c.m.s energy of the track in last isSelected call. More...

const TVector3 &	getLocalPosition () const
	Returns position at TOP in local frame of the track in last isSelected call. More...

const TVector3 &	getLocalMomentum () const
	Returns momentum at TOP in local frame of the track in last isSelected call. More...

bool	isSelected (const TOPtrack &track) const
	Returns selection status. More...

Private Attributes
EType	m_sampleType = c_undefined
	data sample (skim) type

std::string	m_sampleName
	data sample (skim) name

double	m_minMomentum = 0
	minimal track momentum if sample is "cosmics"

double	m_deltaEcms = 0
	c.m.s energy window for "dimuon" or "bhabha"

double	m_dr = 0
	cut on POCA in r

double	m_dz = 0
	cut on POCA in z

double	m_minZ = 0
	minimal local z of extrapolated hit

double	m_maxZ = 0
	maximal local z of extrapolated hit

Const::ChargedStable	m_chargedStable = Const::muon
	track hypothesis

TVector3	m_pocaPosition
	position of POCA

TVector3	m_pocaMomentum
	momentum at POCA

double	m_cmsEnergy = 0
	c.m.s. More...

TVector3	m_localPosition
	position at TOP in local (module) frame

TVector3	m_localMomentum
	momentum at TOP in local (module) frame

Detailed Description

Utility for the track selection - used in various calibration modules.

Definition at line 37 of file TrackSelector.h.

Constructor & Destructor Documentation

◆ TrackSelector()

TrackSelector ( const std::string & sampleName )

explicit

Useful constructor.

Parameters

sampleName data sample name, one of dimuon, bhabha or cosmics

Definition at line 34 of file TrackSelector.cc.

                                           {
         m_sampleType = c_cosmics;
         m_chargedStable = Const::muon;
       } else {
         m_sampleType = c_undefined;
         m_sampleName = "undefined";
         B2ERROR("TOP::TrackSelector: unknown data sample."
                 << LogVar("name", sampleName));
       }
     }
  
     bool TrackSelector::isSelected(const TOPtrack& trk) const
     {
  
       if (m_sampleType == c_undefined) {
         B2ERROR("TOP::TrackSelector: sample type is undefined, default constructor used");
         return false;
       }

Member Function Documentation

◆ getCMSEnergy()

double getCMSEnergy ( ) const

inline

Returns c.m.s energy of the track in last isSelected call.

Returns: c.m.s. energy if track is selected, otherwise undefined

Definition at line 160 of file TrackSelector.h.

164 {return m_localMomentum;}

◆ getDeltaEcms()

double getDeltaEcms ( ) const

inline

Returns c.m.s.

energy cut

Returns: size of the energy window

Definition at line 113 of file TrackSelector.h.

◆ getDr()

double getDr ( ) const

inline

Returns POCA cut in r.

Returns: maximal radius in x-y plane

Definition at line 119 of file TrackSelector.h.

◆ getDz()

double getDz ( ) const

inline

Returns POCA cut in z.

Returns: cut in z coordinate (|z| < dz/2)

Definition at line 125 of file TrackSelector.h.

◆ getLocalMomentum()

const TVector3& getLocalMomentum ( ) const

inline

Returns momentum at TOP in local frame of the track in last isSelected call.

Returns: momentum vector in local frame if track is selected, otherwise undefined

Definition at line 172 of file TrackSelector.h.

◆ getLocalPosition()

const TVector3& getLocalPosition ( ) const

inline

Returns position at TOP in local frame of the track in last isSelected call.

Returns: position in local frame if track is selected, otherwise undefined

Definition at line 166 of file TrackSelector.h.

◆ getMaxZ()

double getMaxZ ( ) const

inline

Returns cut on local z.

Returns: maximal local z of extrapolated hit

Definition at line 137 of file TrackSelector.h.

◆ getMinMomentum()

double getMinMomentum ( ) const

inline

Returns momentum cut.

Returns: minimal momentum

Definition at line 107 of file TrackSelector.h.

◆ getMinZ()

double getMinZ ( ) const

inline

Returns cut on local z.

Returns: minimal local z of extrapolated hit

Definition at line 131 of file TrackSelector.h.

◆ getPOCAMomentum()

const TVector3& getPOCAMomentum ( ) const

inline

Returns momentum vector at POCA of the track in last isSelected call.

Returns: momentum vector if track is selected, otherwise undefined

Definition at line 154 of file TrackSelector.h.

◆ getPOCAPosition()

const TVector3& getPOCAPosition ( ) const

inline

Returns position of POCA of the track in last isSelected call.

Returns: POCA if track is selected, otherwise undefined

Definition at line 148 of file TrackSelector.h.

◆ getSampleName()

const std::string& getSampleName ( ) const

inline

Returns sample name.

Returns: sample name

Definition at line 101 of file TrackSelector.h.

◆ isSelected()

bool isSelected ( const TOPtrack & track ) const

Returns selection status.

Parameters

track track extrapolated to TOP

Returns: true if track passes selection criteria

Definition at line 53 of file TrackSelector.cc.

◆ setCutOnLocalZ()

void setCutOnLocalZ	(	double	minZ,
		double	maxZ
	)

inline

Sets cut on local z coordinate (module frame) of the track extrapolated to TOP.

Parameters

minZ	minimal z
maxZ	maximal z

Definition at line 91 of file TrackSelector.h.

◆ setCutOnPOCA()

void setCutOnPOCA	(	double	dr,
		double	dz
	)

inline

Sets cut on point of closest approach to (0, 0, 0)

Parameters

dr	maximal radius in x-y plane
dz	cut in z coordinate (\|z\| < dz/2)

Definition at line 80 of file TrackSelector.h.

◆ setDeltaEcms()

void setDeltaEcms ( double deltaEcms )

inline

Sets cut on c.m.s.

energy (used for "dimuon" and "bhabha")

Parameters

deltaEcms size of energy window

Definition at line 73 of file TrackSelector.h.

◆ setMinMomentum()

void setMinMomentum ( double minMomentum )

inline

Sets momentum cut (used for "cosmics" only)

Parameters

minMomentum minimal track momentum

Definition at line 67 of file TrackSelector.h.

Member Data Documentation

◆ m_cmsEnergy

double m_cmsEnergy = 0

mutableprivate

c.m.s.

energy of track

Definition at line 196 of file TrackSelector.h.

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

top/utilities/include/TrackSelector.h
top/utilities/src/TrackSelector.cc

Public Types

Public Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ TrackSelector()

Member Function Documentation

◆ getCMSEnergy()

◆ getDeltaEcms()

◆ getDr()

◆ getDz()

◆ getLocalMomentum()

◆ getLocalPosition()

◆ getMaxZ()

◆ getMinMomentum()

◆ getMinZ()

◆ getPOCAMomentum()

◆ getPOCAPosition()

◆ getSampleName()

◆ isSelected()

◆ setCutOnLocalZ()

◆ setCutOnPOCA()

◆ setDeltaEcms()

◆ setMinMomentum()

Member Data Documentation

◆ m_cmsEnergy