Class for defining the LASS resonance model. More...

#include <LauLASSRes.hh>

Inheritance diagram for LauLASSRes:

Public Member Functions
	LauLASSRes (TString resName, Double_t resMass, Double_t resWidth, Int_t resSpin, Int_t resCharge, Int_t resPairAmpInt, const LauDaughters *daughters)
	Constructor. More...

virtual	~LauLASSRes ()
	Destructor. More...

virtual void	initialise ()
	Initialise the model. More...

virtual LauAbsResonance::LauResonanceModel	getResonanceModel () const
	Get the resonance model type. More...

virtual Double_t	getEffectiveRange ()
	Get the effective range parameter. More...

virtual Double_t	getScatteringLength ()
	Get the scattering length range parameter. More...

virtual Double_t	getBackgroundMag ()
	Get the background magnitude. More...

virtual Double_t	getResonanceMag ()
	Get the resonance magnitude. More...

virtual Double_t	getBackgroundPhase ()
	Get the background phase. More...

virtual Double_t	getResonancePhase ()
	Get the resonance phase. More...

virtual Double_t	getCutOff ()
	Get the cut off parameter. More...

virtual void	setEffectiveRange (Double_t r)
	Set the effective range parameter. More...

virtual void	setScatteringLength (Double_t a)
	Set the scattering length parameter. More...

virtual void	setBackgroundMag (Double_t B)
	Set the background magnitude. More...

virtual void	setResonanceMag (Double_t R)
	Set the resonance magnitude. More...

virtual void	setBackgroundPhase (Double_t phiB)
	Set the background phase. More...

virtual void	setResonancePhase (Double_t phiR)
	Set the resonance phase. More...

virtual void	setCutOff (Double_t cutOff)
	Set the cut off parameter. More...

virtual void	setResonanceParameter (const TString &name, const Double_t value)
	Set value of a resonance parameter. More...

Public Member Functions inherited from LauAbsResonance
	LauAbsResonance (const TString &resName, Double_t resMass, Double_t resWidth, Int_t resSpin, Int_t resCharge, Int_t resPairAmpInt, const LauDaughters *daughters)
	Constructor. More...

virtual	~LauAbsResonance ()
	Destructor. More...

virtual LauComplex	amplitude (const LauKinematics *kinematics)
	Calculate the complex amplitude. More...

const TString &	getResonanceName () const
	Get the name of the resonance. More...

Int_t	getPairInt () const
	Get the integer to identify which DP axis the resonance belongs to. More...

Int_t	getSpin () const
	Get the spin of the resonance. More...

Int_t	getCharge () const
	Get the charge of the resonance. More...

Double_t	getMass () const
	Get the mass of the resonance. More...

Double_t	getWidth () const
	Get the width of the resonance. More...

Bool_t	flipHelicity () const
	Get the helicity flip flag. More...

void	flipHelicity (Bool_t boolean)
	Set the helicity flip flag. More...

Bool_t	ignoreMomenta () const
	Get the ignore momenta flag. More...

void	ignoreMomenta (Bool_t boolean)
	Set the ignore p_ and q_ flag. More...

void	changeResonance (const Double_t newMass, const Double_t newWidth, const Int_t newSpin)
	Allow the mass, width and spin of the resonance to be changed. More...

virtual void	setBarrierRadii (const Double_t resRadius, const Double_t parRadius, const BarrierType type)
	Set the form factor model and parameters. More...

Protected Member Functions
virtual LauComplex	resAmp (Double_t mass, Double_t spinTerm)
	Complex resonant amplitude. More...

Protected Member Functions inherited from LauAbsResonance
TString	getNameParent () const
	Get the name of the parent particle. More...

TString	getNameDaug1 () const
	Get the name of the first daughter of the resonance. More...

TString	getNameDaug2 () const
	Get the name of the second daughter of the resonance. More...

TString	getNameBachelor () const
	Get the name of the daughter that does not originate form the resonance. More...

Double_t	getMassParent () const
	Get the parent particle mass. More...

Double_t	getMassDaug1 () const
	Get the mass of daughter 1. More...

Double_t	getMassDaug2 () const
	Get the mass of daughter 2. More...

Double_t	getMassBachelor () const
	Get the mass of the bachelor daughter. More...

Int_t	getChargeParent () const
	Get the Charge of the parent particle. More...

Int_t	getChargeDaug1 () const
	Get the charge of daughter 1. More...

Int_t	getChargeDaug2 () const
	Get the charge of daughter 2. More...

Int_t	getChargeBachelor () const
	Get the charge of the bachelor daughter. More...

Double_t	getQ () const
	Get the current value of the daughter momentum in the resonance rest frame. More...

Double_t	getP () const
	Get the current value of the bachelor momentum in the resonance rest frame. More...

Double_t	getPstar () const
	Get the current value of the bachelor momentum in the parent rest frame. More...

Double_t	getParBWRadius () const
	Get the radius of the centrifugal barrier for the parent decay. More...

Double_t	getResBWRadius () const
	Get the radius of the centrifugal barrier for the resonance decay. More...

BarrierType	getBarrierType () const
	Get the form factor model. More...

const LauDaughters *	getDaughters () const
	Access the daughters object. More...

Private Attributes
Double_t	q0_
	Decay momentum of either daughter in the resonance rest frame. More...

Double_t	mDaugSum_
	Sum of the daughter masses. More...

Double_t	mDaugSumSq_
	Square of mDaugSum. More...

Double_t	mDaugDiff_
	Difference between the daughter masses. More...

Double_t	mDaugDiffSq_
	Square of mDaugDiff. More...

Double_t	resMassSq_
	Square of the resonance mass. More...

Double_t	r_
	LASS effective range parameter. More...

Double_t	a_
	LASS scattering length parameter. More...

Double_t	B_
	LASS background magnitude. More...

Double_t	R_
	LASS resonance magnitude. More...

Double_t	phiB_
	LASS background phase. More...

Double_t	phiR_
	LASS resonance phase. More...

Double_t	cutOff_
	LASS cut off parameter. More...

Additional Inherited Members
Public Types inherited from LauAbsResonance
enum	LauResonanceModel { BW, RelBW, GS, Flatte, Sigma, Kappa, Dabba, LASS, LASS_BW, LASS_NR, KMatrix, FlatNR, NRModel, BelleNR, PowerLawNR, BelleSymNR, TaylorNR, PolNR }
	Define the allowed resonance types. More...

enum	BarrierType { BWBarrier, BWPrimeBarrier, ExpBarrier }
	Define the allowed types of barrier factors. More...

Detailed Description

Class for defining the LASS resonance model.

Class for defining the LASS resonance model, which includes a resonant part, plus an effective range term. This class is the coherent sum of the two.

Definition at line 31 of file LauLASSRes.hh.

Constructor & Destructor Documentation

LauLASSRes::LauLASSRes	(	TString	resName,
		Double_t	resMass,
		Double_t	resWidth,
		Int_t	resSpin,
		Int_t	resCharge,
		Int_t	resPairAmpInt,
		const LauDaughters *	daughters
	)

Constructor.

Parameters

[in]	resName	the name of the resonance
[in]	resMass	the mass of the resonance
[in]	resWidth	the width of the resonance
[in]	resSpin	the spin of the resonance
[in]	resCharge	the charge of the resonance
[in]	resPairAmpInt	the number of the daughter not produced by the resonance
[in]	daughters	the daughter particles

Definition at line 23 of file LauLASSRes.cc.

LauLASSRes::~LauLASSRes ( )

virtual

Destructor.

Definition at line 50 of file LauLASSRes.cc.

Member Function Documentation

virtual Double_t LauLASSRes::getBackgroundMag ( )

inlinevirtual

Get the background magnitude.

Returns: the background magnitude

Definition at line 74 of file LauLASSRes.hh.

virtual Double_t LauLASSRes::getBackgroundPhase ( )

inlinevirtual

Get the background phase.

Returns: the backgorund phase

Definition at line 84 of file LauLASSRes.hh.

virtual Double_t LauLASSRes::getCutOff ( )

inlinevirtual

Get the cut off parameter.

Returns: the cut off parameter

Definition at line 94 of file LauLASSRes.hh.

virtual Double_t LauLASSRes::getEffectiveRange ( )

inlinevirtual

Get the effective range parameter.

Returns: the effective range parameter

Definition at line 64 of file LauLASSRes.hh.

virtual Double_t LauLASSRes::getResonanceMag ( )

inlinevirtual

Get the resonance magnitude.

Returns: the resonance magnitude

Definition at line 79 of file LauLASSRes.hh.

virtual LauAbsResonance::LauResonanceModel LauLASSRes::getResonanceModel ( ) const

inlinevirtual

Get the resonance model type.

Returns: the resonance model type

Implements LauAbsResonance.

Definition at line 58 of file LauLASSRes.hh.

virtual Double_t LauLASSRes::getResonancePhase ( )

inlinevirtual

Get the resonance phase.

Returns: the resonance phase

Definition at line 89 of file LauLASSRes.hh.

virtual Double_t LauLASSRes::getScatteringLength ( )

inlinevirtual

Get the scattering length range parameter.

Returns: the scattering length parameter

Definition at line 69 of file LauLASSRes.hh.

void LauLASSRes::initialise ( )

virtual

Initialise the model.

Implements LauAbsResonance.

Definition at line 54 of file LauLASSRes.cc.

LauComplex LauLASSRes::resAmp	(	Double_t	mass,
		Double_t	spinTerm
	)

protectedvirtual

Complex resonant amplitude.

Parameters

[in]	mass	appropriate invariant mass for the resonance
[in]	spinTerm	Zemach spin term

Implements LauAbsResonance.

Definition at line 82 of file LauLASSRes.cc.

virtual void LauLASSRes::setBackgroundMag ( Double_t B )

inlinevirtual

Set the background magnitude.

Parameters

[in] B the background magnitude

Definition at line 110 of file LauLASSRes.hh.

virtual void LauLASSRes::setBackgroundPhase ( Double_t phiB )

inlinevirtual

Set the background phase.

Parameters

[in] phiB the background phase

Definition at line 120 of file LauLASSRes.hh.

virtual void LauLASSRes::setCutOff ( Double_t cutOff )

inlinevirtual

Set the cut off parameter.

Parameters

[in] cutOff the cut off parameter

Definition at line 130 of file LauLASSRes.hh.

virtual void LauLASSRes::setEffectiveRange ( Double_t r )

inlinevirtual

Set the effective range parameter.

Parameters

[in] r the effective range parameter

Definition at line 100 of file LauLASSRes.hh.

virtual void LauLASSRes::setResonanceMag ( Double_t R )

inlinevirtual

Set the resonance magnitude.

Parameters

[in] R the resonance magnitude

Definition at line 115 of file LauLASSRes.hh.

void LauLASSRes::setResonanceParameter	(	const TString &	name,
		const Double_t	value
	)

virtual

Set value of a resonance parameter.

Parameters

[in]	name	the name of the parameter to be changed
[in]	value	the new parameter value

Reimplemented from LauAbsResonance.

Definition at line 166 of file LauLASSRes.cc.

virtual void LauLASSRes::setResonancePhase ( Double_t phiR )

inlinevirtual

Set the resonance phase.

Parameters

[in] phiR the resonance phase

Definition at line 125 of file LauLASSRes.hh.

virtual void LauLASSRes::setScatteringLength ( Double_t a )

inlinevirtual

Set the scattering length parameter.

Parameters

[in] a the scattering length parameter

Definition at line 105 of file LauLASSRes.hh.

Member Data Documentation

Double_t LauLASSRes::a_

private

LASS scattering length parameter.

Definition at line 163 of file LauLASSRes.hh.

Double_t LauLASSRes::B_

private

LASS background magnitude.

Definition at line 165 of file LauLASSRes.hh.

Double_t LauLASSRes::cutOff_

private

LASS cut off parameter.

Definition at line 173 of file LauLASSRes.hh.

Double_t LauLASSRes::mDaugDiff_

private

Difference between the daughter masses.

Definition at line 155 of file LauLASSRes.hh.

Double_t LauLASSRes::mDaugDiffSq_

private

Square of mDaugDiff.

Definition at line 157 of file LauLASSRes.hh.

Double_t LauLASSRes::mDaugSum_

private

Sum of the daughter masses.

Definition at line 151 of file LauLASSRes.hh.

Double_t LauLASSRes::mDaugSumSq_

private

Square of mDaugSum.

Definition at line 153 of file LauLASSRes.hh.

Double_t LauLASSRes::phiB_

private

LASS background phase.

Definition at line 169 of file LauLASSRes.hh.

Double_t LauLASSRes::phiR_

private

LASS resonance phase.

Definition at line 171 of file LauLASSRes.hh.

Double_t LauLASSRes::q0_

private

Decay momentum of either daughter in the resonance rest frame.

Definition at line 149 of file LauLASSRes.hh.

Double_t LauLASSRes::r_

private

LASS effective range parameter.

Definition at line 161 of file LauLASSRes.hh.

Double_t LauLASSRes::R_

private

LASS resonance magnitude.

Definition at line 167 of file LauLASSRes.hh.

Double_t LauLASSRes::resMassSq_

private

Square of the resonance mass.

Definition at line 159 of file LauLASSRes.hh.

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

inc/LauLASSRes.hh
src/LauLASSRes.cc

Public Member Functions

Protected Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation