PESA::T2Vertex Class Reference

#include <T2Vertex.h>

Inheritance diagram for PESA::T2Vertex:

Collaboration diagram for PESA::T2Vertex:

Public Member Functions
	T2Vertex (const TrigVertex &vertex, const TrackCollection &tracks, const T2BeamSpot &beamSpot, double seedZ)
double	SumPt () const
double	SumPt2 () const
double	Mass () const
double	NDF () const
double	Qual () const
double	Chi2Prob () const
double	XZoom () const
double	YZoom () const
double	ZZoom () const
double	XY () const
double	Pull () const
unsigned	NTrksInVtx () const
unsigned	NTrks () const
double	X () const
double	Y () const
double	Z () const
double	Xerr () const
double	Yerr () const
double	Zerr () const

Private Attributes
double	m_SumPt
double	m_SumPt2
double	m_Mass
double	m_NDF
double	m_Qual
std::atomic< double >	m_Chi2Prob
double	m_XZoom
double	m_YZoom
double	m_ZZoom
double	m_XY
double	m_Pull
TrackCollection	m_tracks
unsigned	m_NTrks
double	m_X
double	m_Y
double	m_Z
double	m_Xerr
double	m_Yerr
double	m_Zerr

Detailed Description

Definition at line 86 of file T2Vertex.h.

Constructor & Destructor Documentation

T2Vertex()

PESA::T2Vertex::T2Vertex ( const TrigVertex & vertex, const TrackCollection & tracks, const T2BeamSpot & beamSpot, double seedZ )

inline

Definition at line 91 of file T2Vertex.h.

      : T2SimpleVertex( vertex )
      , m_SumPt   ( -1.                            ) // lazy evaluation
      , m_SumPt2  ( -1.                            )
      , m_Mass    ( vertex.mass()                  )
      , m_NDF     ( vertex.ndof()                  )
      , m_Qual    ( vertex.chi2() / vertex.ndof()  ) // FIXME: ndof==0 ?
      , m_Chi2Prob( -1.                            ) // lazy evaluation
      , m_XY      ( 0.                             )
      , m_Pull    ( vertex.z() - seedZ             ) // FIXME: that's not a pull
      , m_tracks  (tracks)
      {
        const double beamXatVtx =
          tiltedBeamPositionAtZPoint( Z(), beamSpot.posZ(), beamSpot.posX(), beamSpot.tiltX() );
        const double beamYatVtx =
          tiltedBeamPositionAtZPoint( Z(), beamSpot.posZ(), beamSpot.posY(), beamSpot.tiltY() );
 
        m_XZoom = X() - beamXatVtx;                                                        
        m_YZoom = Y() - beamYatVtx;                                                        
        m_ZZoom = Z() - beamSpot.posZ();
      }

Member Function Documentation

Chi2Prob()

double PESA::T2Vertex::Chi2Prob ( ) const

inline

Definition at line 135 of file T2Vertex.h.

{ if ( m_Chi2Prob < 0. ) m_Chi2Prob = vertexChi2Prob( *this ); return m_Chi2Prob; }

Mass()

double PESA::T2Vertex::Mass ( ) const

inline

Definition at line 132 of file T2Vertex.h.

{ return m_Mass    ; }

NDF()

double PESA::T2Vertex::NDF ( ) const

inline

Definition at line 133 of file T2Vertex.h.

{ return m_NDF     ; }

NTrks()

unsigned PESA::T2SimpleVertex::NTrks ( ) const

inlineinherited

Definition at line 66 of file T2Vertex.h.

{ return m_NTrks; }

NTrksInVtx()

unsigned PESA::T2Vertex::NTrksInVtx ( ) const

inline

Definition at line 142 of file T2Vertex.h.

{ return m_tracks.size(); }

Pull()

double PESA::T2Vertex::Pull ( ) const

inline

Definition at line 140 of file T2Vertex.h.

{ return m_Pull    ; }

Qual()

double PESA::T2Vertex::Qual ( ) const

inline

Definition at line 134 of file T2Vertex.h.

{ return m_Qual    ; }

SumPt()

double PESA::T2Vertex::SumPt ( ) const

inline

Definition at line 114 of file T2Vertex.h.

                              { 
      if ( m_SumPt  < 0. ) {
        return vertexSumPt ( m_tracks );
      }
      else {
        return m_SumPt;
      }
    }

SumPt2()

double PESA::T2Vertex::SumPt2 ( ) const

inline

Definition at line 123 of file T2Vertex.h.

                               { 
      if ( m_SumPt2  < 0. ) {
        return vertexSumPt2 ( m_tracks );
      }
      else {
        return m_SumPt2;
      }
    }

X()

double PESA::T2SimpleVertex::X ( ) const

inlineinherited

Definition at line 67 of file T2Vertex.h.

{ return m_X    ; }

Xerr()

double PESA::T2SimpleVertex::Xerr ( ) const

inlineinherited

Definition at line 70 of file T2Vertex.h.

{ return m_Xerr ; }

XY()

double PESA::T2Vertex::XY ( ) const

inline

Definition at line 139 of file T2Vertex.h.

{ return m_XY      ; }

XZoom()

double PESA::T2Vertex::XZoom ( ) const

inline

Definition at line 136 of file T2Vertex.h.

{ return m_XZoom   ; }

Y()

double PESA::T2SimpleVertex::Y ( ) const

inlineinherited

Definition at line 68 of file T2Vertex.h.

{ return m_Y    ; }

Yerr()

double PESA::T2SimpleVertex::Yerr ( ) const

inlineinherited

Definition at line 71 of file T2Vertex.h.

{ return m_Yerr ; }

YZoom()

double PESA::T2Vertex::YZoom ( ) const

inline

Definition at line 137 of file T2Vertex.h.

{ return m_YZoom   ; }

Z()

double PESA::T2SimpleVertex::Z ( ) const

inlineinherited

Definition at line 69 of file T2Vertex.h.

{ return m_Z    ; }

Zerr()

double PESA::T2SimpleVertex::Zerr ( ) const

inlineinherited

Definition at line 72 of file T2Vertex.h.

{ return m_Zerr ; }

ZZoom()

double PESA::T2Vertex::ZZoom ( ) const

inline

Definition at line 138 of file T2Vertex.h.

{ return m_ZZoom   ; }

Member Data Documentation

m_Chi2Prob

std::atomic<double> PESA::T2Vertex::m_Chi2Prob

mutableprivate

Definition at line 152 of file T2Vertex.h.

m_Mass

double PESA::T2Vertex::m_Mass

private

Definition at line 149 of file T2Vertex.h.

m_NDF

double PESA::T2Vertex::m_NDF

private

Definition at line 150 of file T2Vertex.h.

m_NTrks

unsigned PESA::T2SimpleVertex::m_NTrks

privateinherited

Definition at line 76 of file T2Vertex.h.

m_Pull

double PESA::T2Vertex::m_Pull

private

Definition at line 157 of file T2Vertex.h.

m_Qual

double PESA::T2Vertex::m_Qual

private

Definition at line 151 of file T2Vertex.h.

m_SumPt

double PESA::T2Vertex::m_SumPt

private

Definition at line 147 of file T2Vertex.h.

m_SumPt2

double PESA::T2Vertex::m_SumPt2

private

Definition at line 148 of file T2Vertex.h.

m_tracks

TrackCollection PESA::T2Vertex::m_tracks

private

Definition at line 159 of file T2Vertex.h.

m_X

double PESA::T2SimpleVertex::m_X

privateinherited

Definition at line 77 of file T2Vertex.h.

m_Xerr

double PESA::T2SimpleVertex::m_Xerr

privateinherited

Definition at line 80 of file T2Vertex.h.

m_XY

double PESA::T2Vertex::m_XY

private

Definition at line 156 of file T2Vertex.h.

m_XZoom

double PESA::T2Vertex::m_XZoom

private

Definition at line 153 of file T2Vertex.h.

m_Y

double PESA::T2SimpleVertex::m_Y

privateinherited

Definition at line 78 of file T2Vertex.h.

m_Yerr

double PESA::T2SimpleVertex::m_Yerr

privateinherited

Definition at line 81 of file T2Vertex.h.

m_YZoom

double PESA::T2Vertex::m_YZoom

private

Definition at line 154 of file T2Vertex.h.

m_Z

double PESA::T2SimpleVertex::m_Z

privateinherited

Definition at line 79 of file T2Vertex.h.

m_Zerr

double PESA::T2SimpleVertex::m_Zerr

privateinherited

Definition at line 82 of file T2Vertex.h.

m_ZZoom

double PESA::T2Vertex::m_ZZoom

private

Definition at line 155 of file T2Vertex.h.

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

• T2Vertex.h