DecayTree Class Reference

Class holding vectors of fixed and free amplitudes that define a decay tree. More...

#include <DecayTree.h>

Public Types
using	DaughterDecayTreeMap = std::map< unsigned, std::shared_ptr< DecayTree > >

Public Member Functions
	DecayTree (std::shared_ptr< FreeAmplitude > free_amp)
const std::complex< double >	dataIndependentAmplitude () const
const std::complex< double >	dataDependentAmplitude (const DataPoint &d) const
const std::complex< double >	dataDependentAmplitude (const DataPoint &d, const std::shared_ptr< ParticleCombination > &pc) const
const VariableStatus	dataDependentAmplitudeStatus () const
const std::shared_ptr < FreeAmplitude > &	freeAmplitude () const
const DaughterDecayTreeMap	daughterDecayTrees () const
std::shared_ptr< DecayingParticle >	decayingParticle () const
const Model *	model () const

Protected Member Functions
void	setDaughterDecayTree (unsigned i, std::shared_ptr< DecayTree > dt)
void	setDaughterSpinProjection (unsigned i, int two_m)
void	addAmplitudeComponent (const AmplitudeComponent &rda)
	Add an AmplitudeComponent.

Private Attributes
std::shared_ptr< FreeAmplitude >	FreeAmplitude_
	ComplexParameter of the free amplitude for the decay.
SpinProjectionVector	DaughtersTwoM_
	daughter spin projections
std::vector< const AmplitudeComponent * >	AmplitudeComponents_
	vector of AmplitudeComponent's
DaughterDecayTreeMap	DaughterDecayTrees_
	map of daughter index -> daughter DecayTree

Friends
class	DecayChannel
	grant friend status to DecayChannel to call addDataAccessor
class	DecayingParticle
	grant friend status to DecayingParticle to call addDataAccessor
class	Resonance
	grant friend status to Resonance to call addDataAccessor

Detailed Description

Class holding vectors of fixed and free amplitudes that define a decay tree.

Author

Johannes Rauch, Daniel Greenwald

Member Typedef Documentation

DaughterDecayTreeMap

key is daughter index, value is decay tree of daughter

Constructor & Destructor Documentation

DecayTree ( std::shared_ptr< FreeAmplitude >  free_amp )

explicit

Constructor

Parameters

two_M	(twice) the spin projection of the parent particle
two_m	array of (twice) the spin projections of the daughters
free_amp	shared_ptr to ComplexParameter for the free amplitude

Member Function Documentation

const std::complex< double > dataDependentAmplitude

(

const DataPoint &

d

)

const

Returns

product of all particle-combination-dependent amplitudes in this tree summing over particle combinations of DecayChannel inside FreeAmplitude

Parameters

d

DataPoint

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

Returns

product of all particle-combination-dependent amplitudes in this tree

Parameters

d	DataPoint
pc	shared_ptr<ParticleCombination>

const VariableStatus dataDependentAmplitudeStatus

(

)

const

Returns

VariableStatus of dataDependentAmplitude

const std::complex< double > dataIndependentAmplitude

(

)

const

Returns

product of all free amplitudes in this decay tree

const DaughterDecayTreeMap daughterDecayTrees ( ) const

inline

Returns

DaughterDecayTrees_

std::shared_ptr< DecayingParticle > decayingParticle

(

)

const

Returns

DecayingParticle

const std::shared_ptr<FreeAmplitude>& freeAmplitude ( ) const

inline

Returns

FreeAmplitude_

const Model * model

(

)

const

Returns

Model this DecayTree belongs to (via FreeAmplitude)

void setDaughterDecayTree ( unsigned  i, std::shared_ptr< DecayTree >  dt  )

protected

Set the DecayTree of the i'th daughter

Parameters

i	index of daughter to set decay tree for
dt	shared_ptr to DecayTree to set

void setDaughterSpinProjection ( unsigned  i, int  two_m  )

inlineprotected

set daughter spin projection

Parameters

two_m

(twice) the spin projection

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

• /home/dgreenw/work/belle/YAP/include/DecayTree.h
• /home/dgreenw/work/belle/YAP/src/DecayTree.cxx