Class for Breit-Wigner resonance shape. More...

#include <BreitWigner.h>

Inheritance diagram for BreitWigner:

Public Member Functions
	BreitWigner (double mass=-1, double w=-1)

virtual void	setParameters (const ParticleTableEntry &entry) override

std::shared_ptr< RealParameter >	width ()
	Get width.

const std::shared_ptr < RealParameter >	width () const
	Get width (const)

virtual bool	consistent () const override
	Check consistency of object.

Public Member Functions inherited from MassShapeWithNominalMass
	MassShapeWithNominalMass (double m=-1)

std::shared_ptr< RealParameter >	mass ()
	Get mass.

const std::shared_ptr < RealParameter >	mass () const
	Get mass (const)

Public Member Functions inherited from MassShape
	MassShape ()
	Constructor.

virtual const std::complex < double >	value (const DataPoint &d, const std::shared_ptr< ParticleCombination > &pc) const overridefinal

virtual void	calculate (DataPartition &D) const overridefinal

Resonance *	resonance () const
	get raw pointer to owning resonance

virtual void	updateCalculationStatus (StatusManager &D) const overridefinal
	update the calculationStatus for a DataPartition

const Model *	model () const override
	get raw pointer to Model through resonance

virtual void	checkDecayChannel (const DecayChannel &c) const
	Check if a DecayChannel is valid for this MassShape; will throw if invalid.

Public Member Functions inherited from RecalculableAmplitudeComponent
	RecalculableAmplitudeComponent (const ParticleCombinationEqualTo &equal)

virtual const bool	validFor (const std::shared_ptr< ParticleCombination > &pc) const override

virtual const VariableStatus	status () const override
	calls variable_status on parameters of object

Public Member Functions inherited from RecalculableDataAccessor
	RecalculableDataAccessor (const ParticleCombinationEqualTo &equal)

void	setParameterFlagsToUnchanged ()
	set VariableStatus of all Parameters to unchanged (or leave fixed)

const ParameterSet &	parameters () const

Public Member Functions inherited from DataAccessor
	DataAccessor (const ParticleCombinationEqualTo &equal)

const ParticleCombinationEqualTo &	equal () const

int	index () const

unsigned	symmetrizationIndex (const std::shared_ptr< ParticleCombination > &c) const

const ParticleCombinationMap < unsigned > &	symmetrizationIndices () const

const unsigned	nSymmetrizationIndices () const

void	printParticleCombinations () const
	print ParticleCombination map

const CachedValueSet &	CachedValues () const

const unsigned	size () const

const bool	requiresStorage () const

bool	consistent () const
	Check consistency of object.

Protected Member Functions
virtual void	calculateT (DataPartition &D, const std::shared_ptr< ParticleCombination > &pc, unsigned si) const override

Protected Member Functions inherited from MassShape
virtual void	setResonance (Resonance *r)
	Set raw pointer to owning Resonance.

virtual void	addDecayChannel (std::shared_ptr< DecayChannel > c)

std::shared_ptr < ComplexCachedValue >	T ()
	access cached dynamic amplitude

const std::shared_ptr < ComplexCachedValue >	T () const
	access cached dynamic amplitude (const)

Protected Member Functions inherited from RecalculableDataAccessor
virtual void	registerWithModel () override
	register with Model

void	addParameter (std::shared_ptr< ParameterBase > p)
	add a parameter for evaluating variableStatus

Protected Member Functions inherited from DataAccessor
void	addCachedValue (std::shared_ptr< CachedValue > c)
	add CachedValue

virtual void	addParticleCombination (std::shared_ptr< ParticleCombination > pc)
	add ParticleCombination to SymmetrizationIndices_

virtual void	pruneSymmetrizationIndices ()
	prune SymmetrizationIndices_ to only contain ParticleCombination's tracing back up the ISP

void	setIndex (size_t i)
	set storage index used in DataPoint. Must be unique.

Private Attributes
std::shared_ptr< RealParameter >	Width_
	Width [GeV].

Additional Inherited Members
Public Attributes inherited from DataAccessor
friend	Model
	grant friend status to Model to access CachedValues_

friend	CachedValue
	grant friend status to CachedValue to call addCachedValue

Detailed Description

Class for Breit-Wigner resonance shape.

Author: Daniel Greenwald

Amplitude is 1 / (mass^2 - s - i*mass*width)

Constructor & Destructor Documentation

BreitWigner	(	double	mass = `-1`,
		double	w = `-1`
	)

Constructor

Parameters

mass	Mass of resonance [GeV]
width	Width of resonance [GeV]

Member Function Documentation

void calculateT	(	DataPartition &	D,
		const std::shared_ptr< ParticleCombination > &	pc,
		unsigned	si
	)		const

overrideprotectedvirtual

Calculate dynamic amplitude T for and store in each DataPoint in DataPartition

Parameters

D	DataPartition to calculate on
pc	ParticleCombination to calculate for
si	SymmetrizationIndec to calculate for

Implements MassShape.

Reimplemented in RelativisticBreitWigner.

void setParameters ( const ParticleTableEntry & entry )

overridevirtual

Set parameters from ParticleTableEntry

Parameters

entry ParticleTableEntry containing information to create mass shape object

Reimplemented from MassShapeWithNominalMass.

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

/home/dgreenw/work/belle/YAP/include/BreitWigner.h
/home/dgreenw/work/belle/YAP/src/BreitWigner.cxx

Public Member Functions

Protected Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation