MultiTrackVertexLinkKinematicConstraint Class Reference

#include <MultiTrackVertexLinkKinematicConstraint.h>

Inheritance diagram for MultiTrackVertexLinkKinematicConstraint:

Public Member Functions
virtual MultiTrackVertexLinkKinematicConstraint *	clone () const
	MultiTrackVertexLinkKinematicConstraint (GlobalPoint &ref)
virtual int	numberOfEquations () const
virtual AlgebraicMatrix	parametersDerivative (const std::vector< KinematicState > &states, const GlobalPoint &point) const
virtual AlgebraicMatrix	positionDerivative (const std::vector< KinematicState > &states, const GlobalPoint &point) const
virtual AlgebraicVector	value (const std::vector< KinematicState > &states, const GlobalPoint &point) const
Public Member Functions inherited from MultiTrackKinematicConstraint
	MultiTrackKinematicConstraint ()
virtual	~MultiTrackKinematicConstraint ()

Private Attributes
GlobalPoint	refPoint

Detailed Description

This is an specialized version of MultiTrackVertexLinkKinematicConstraint. It constraints the sum of 4-vectors combined at a secondary vertex to be in parallel to the vertex link after considering the helix bend of the summed vector when propagating to the primary vertex.

Lars Perchalla, Philip Sauerland, July 2010

Definition at line 17 of file MultiTrackVertexLinkKinematicConstraint.h.

Constructor & Destructor Documentation

MultiTrackVertexLinkKinematicConstraint::MultiTrackVertexLinkKinematicConstraint ( GlobalPoint &  ref )

inline

Definition at line 20 of file MultiTrackVertexLinkKinematicConstraint.h.

Referenced by clone().

                                                             :refPoint(ref)
    {}

Member Function Documentation

virtual MultiTrackVertexLinkKinematicConstraint* MultiTrackVertexLinkKinematicConstraint::clone ( void  ) const

inlinevirtual

Implements MultiTrackKinematicConstraint.

Definition at line 49 of file MultiTrackVertexLinkKinematicConstraint.h.

References MultiTrackVertexLinkKinematicConstraint().

    {
        return new MultiTrackVertexLinkKinematicConstraint(*this);
    }

int MultiTrackVertexLinkKinematicConstraint::numberOfEquations ( ) const

virtual

Number of equations per track used for the fit

Implements MultiTrackKinematicConstraint.

Definition at line 121 of file MultiTrackVertexLinkKinematicConstraint.cc.

AlgebraicMatrix MultiTrackVertexLinkKinematicConstraint::parametersDerivative ( const std::vector< KinematicState > &  states, const GlobalPoint &  point  ) const

virtual

Returns a matrix of derivatives of constraint equations w.r.t. particle parameters

Implements MultiTrackKinematicConstraint.

Definition at line 37 of file MultiTrackVertexLinkKinematicConstraint.cc.

AlgebraicMatrix MultiTrackVertexLinkKinematicConstraint::positionDerivative ( const std::vector< KinematicState > &  states, const GlobalPoint &  point  ) const

virtual

Returns a matrix of derivatives of constraint equations w.r.t. vertex position

Implements MultiTrackKinematicConstraint.

Definition at line 87 of file MultiTrackVertexLinkKinematicConstraint.cc.

AlgebraicVector MultiTrackVertexLinkKinematicConstraint::value ( const std::vector< KinematicState > &  states, const GlobalPoint &  point  ) const

virtual

Returns a vector of values of constraint equations at the point where the input particles are defined.

Implements MultiTrackKinematicConstraint.

Definition at line 4 of file MultiTrackVertexLinkKinematicConstraint.cc.

Member Data Documentation

GlobalPoint MultiTrackVertexLinkKinematicConstraint::refPoint

private

Definition at line 55 of file MultiTrackVertexLinkKinematicConstraint.h.