ant::analysis::utils::KinFitter Class Reference

#include <KinFitter.h>

Inheritance diagram for ant::analysis::utils::KinFitter:

Collaboration diagram for ant::analysis::utils::KinFitter:

Classes
struct	BeamE_t
struct	Target_t

Public Member Functions
	KinFitter (UncertaintyModelPtr uncertainty_model=nullptr, bool fit_Z_vertex=false, const APLCON::Fit_Settings_t &settings=DefaultSettings)
	KinFitter applies energy-momentum constraint to proton/photons using incoming beam. More...
void	SetZVertexSigma (double sigma)
bool	IsZVertexFitEnabled () const noexcept
bool	IsZVertexUnmeasured () const
void	SetTarget (double length, double center=0.)
TParticlePtr	GetFittedProton () const
TParticleList	GetFittedPhotons () const
double	GetFittedBeamE () const
TParticlePtr	GetFittedBeamParticle () const
double	GetFittedZVertex () const
double	GetBeamEPull () const
double	GetZVertexPull () const
std::vector< FitParticle >	GetFitParticles () const
APLCON::Result_t	DoFit (double ebeam, const TParticlePtr &proton, const TParticleList &photons)
void	SetUncertaintyModel (const UncertaintyModelPtr &uncertainty_model)

Protected Types
using	Proton_t = FitParticle
using	Photons_t = std::vector< FitParticle >

Protected Member Functions
void	PrepareFit (double ebeam, const TParticlePtr &proton, const TParticleList &photons)
double	CalcZVertexStartingPoint () const
Protected Member Functions inherited from ant::analysis::utils::Fitter
	Fitter ()=default

Static Protected Member Functions
static std::array< double, 4 >	constraintEnergyMomentum (const BeamE_t &beam, const Proton_t &proton, const Photons_t &photons, const Z_Vertex_t &)

Protected Attributes
BeamE_t	BeamE
Proton_t	Proton
Photons_t	Photons
Z_Vertex_t	Z_Vertex
Target_t	Target
APLCON::Fitter< BeamE_t, Proton_t, Photons_t, Z_Vertex_t >	aplcon

Additional Inherited Members
Static Public Attributes inherited from ant::analysis::utils::Fitter
static const APLCON::Fit_Settings_t	DefaultSettings

Member Typedef Documentation

Photons_t

using ant::analysis::utils::KinFitter::Photons_t = std::vector<FitParticle>

protected

Proton_t

using ant::analysis::utils::KinFitter::Proton_t = FitParticle

protected

Constructor & Destructor Documentation

KinFitter()

KinFitter::KinFitter ( UncertaintyModelPtr  uncertainty_model = nullptr, bool  fit_Z_vertex = false, const APLCON::Fit_Settings_t &  settings = DefaultSettings  )

explicit

KinFitter applies energy-momentum constraint to proton/photons using incoming beam.

Parameters

uncertainty_model	model to obtain uncertainties
settings	tune the underlying APLCON fitter

Member Function Documentation

CalcZVertexStartingPoint()

double KinFitter::CalcZVertexStartingPoint ( ) const

protected

constraintEnergyMomentum()

std::array< double, 4 > KinFitter::constraintEnergyMomentum ( const BeamE_t &  beam, const Proton_t &  proton, const Photons_t &  photons, const Z_Vertex_t &    )

staticprotected

DoFit()

APLCON::Result_t KinFitter::DoFit	(	double	ebeam,
		const TParticlePtr &	proton,
		const TParticleList &	photons
	)

GetBeamEPull()

double KinFitter::GetBeamEPull

(

)

const

GetFitParticles()

std::vector< Fitter::FitParticle > KinFitter::GetFitParticles

(

)

const

GetFittedBeamE()

double KinFitter::GetFittedBeamE

(

)

const

GetFittedBeamParticle()

TParticlePtr KinFitter::GetFittedBeamParticle

(

)

const

GetFittedPhotons()

TParticleList KinFitter::GetFittedPhotons

(

)

const

GetFittedProton()

TParticlePtr KinFitter::GetFittedProton

(

)

const

GetFittedZVertex()

double KinFitter::GetFittedZVertex

(

)

const

GetZVertexPull()

double KinFitter::GetZVertexPull

(

)

const

IsZVertexFitEnabled()

bool KinFitter::IsZVertexFitEnabled ( ) const

noexcept

IsZVertexUnmeasured()

bool KinFitter::IsZVertexUnmeasured

(

)

const

PrepareFit()

void KinFitter::PrepareFit ( double  ebeam, const TParticlePtr &  proton, const TParticleList &  photons  )

protected

SetTarget()

void KinFitter::SetTarget	(	double	length,
		double	center = 0.
	)

SetUncertaintyModel()

void ant::analysis::utils::KinFitter::SetUncertaintyModel ( const UncertaintyModelPtr &  uncertainty_model )

inline

SetZVertexSigma()

void KinFitter::SetZVertexSigma

(

double

sigma

)

Member Data Documentation

aplcon

APLCON::Fitter<BeamE_t, Proton_t, Photons_t, Z_Vertex_t> ant::analysis::utils::KinFitter::aplcon

protected

BeamE

BeamE_t ant::analysis::utils::KinFitter::BeamE

protected

Photons

Photons_t ant::analysis::utils::KinFitter::Photons

protected

Proton

Proton_t ant::analysis::utils::KinFitter::Proton

protected

Target

Target_t ant::analysis::utils::KinFitter::Target

protected

Z_Vertex

Z_Vertex_t ant::analysis::utils::KinFitter::Z_Vertex

protected

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

• src/analysis/utils/fitter/KinFitter.h
• src/analysis/utils/fitter/KinFitter.cc