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

#include <LauDabbaRes.hh>

Inheritance diagram for LauDabbaRes:

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

virtual	~LauDabbaRes ()
	Destructor. More...

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

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

virtual void	setResonanceParameter (const TString &name, const Double_t value)
	Set value of the various parameters. 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
void	setConstants (Double_t b, Double_t alpha, Double_t beta)
	Set the parameter values. More...

void	setBValue (const Double_t b)
	Set the b parameter. More...

void	setAlphaValue (const Double_t alpha)
	Set the alpha parameter. More...

void	setBetaValue (const Double_t beta)
	Set the beta parameter. More...

Double_t	getBValue () const
	Get the b parameter value. More...

Double_t	getAlphaValue () const
	Get the alpha parameter value. More...

Double_t	getBetaValue () const
	Get the beta parameter value. More...

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

void	checkDaughterTypes () const
	Check that the daughter particles are D and pi. 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	mSumSq_
	Defined as mD + mPi all squared. More...

Double_t	sAdler_
	Defined as mDmD - 0.5mPi*mPi. More...

Double_t	b_
	Constant factor. More...

Double_t	alpha_
	Constant factor. More...

Double_t	beta_
	Constant factor. 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 Dabba resonance model.

Class for defining the Dabba resonance model Formulae and data values from arXiv:0901.2217 - author D.V.Bugg

Definition at line 31 of file LauDabbaRes.hh.

Constructor & Destructor Documentation

LauDabbaRes::LauDabbaRes	(	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 31 of file LauDabbaRes.cc.

LauDabbaRes::~LauDabbaRes ( )

virtual

Destructor.

Definition at line 42 of file LauDabbaRes.cc.

Member Function Documentation

void LauDabbaRes::checkDaughterTypes ( ) const

protected

Check that the daughter particles are D and pi.

Definition at line 74 of file LauDabbaRes.cc.

Double_t LauDabbaRes::getAlphaValue ( ) const

inlineprotected

Get the alpha parameter value.

Returns: value of the alpha parameter

Definition at line 104 of file LauDabbaRes.hh.

Double_t LauDabbaRes::getBetaValue ( ) const

inlineprotected

Get the beta parameter value.

Returns: value of the beta parameter

Definition at line 110 of file LauDabbaRes.hh.

Double_t LauDabbaRes::getBValue ( ) const

inlineprotected

Get the b parameter value.

Returns: value of the b parameter

Definition at line 98 of file LauDabbaRes.hh.

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

inlinevirtual

Get the resonance model type.

Returns: the resonance model type

Implements LauAbsResonance.

Definition at line 58 of file LauDabbaRes.hh.

void LauDabbaRes::initialise ( )

virtual

Initialise the model.

Implements LauAbsResonance.

Definition at line 46 of file LauDabbaRes.cc.

LauComplex LauDabbaRes::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 93 of file LauDabbaRes.cc.

void LauDabbaRes::setAlphaValue ( const Double_t alpha )

inlineprotected

Set the alpha parameter.

Parameters

[in] alpha new value for alpha parameter

Definition at line 86 of file LauDabbaRes.hh.

void LauDabbaRes::setBetaValue ( const Double_t beta )

inlineprotected

Set the beta parameter.

Parameters

[in] beta new value for beta parameter

Definition at line 92 of file LauDabbaRes.hh.

void LauDabbaRes::setBValue ( const Double_t b )

inlineprotected

Set the b parameter.

Parameters

[in] b new value for b parameter

Definition at line 80 of file LauDabbaRes.hh.

void LauDabbaRes::setConstants	(	Double_t	b,
		Double_t	alpha,
		Double_t	beta
	)

protected

Set the parameter values.

Parameters

[in]	b	constant factor
[in]	alpha	constant factor
[in]	beta	constant factor

Definition at line 68 of file LauDabbaRes.cc.

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

virtual

Set value of the various parameters.

Parameters

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

Reimplemented from LauAbsResonance.

Definition at line 128 of file LauDabbaRes.cc.

Member Data Documentation

Double_t LauDabbaRes::alpha_

private

Constant factor.

Definition at line 130 of file LauDabbaRes.hh.

Double_t LauDabbaRes::b_

private

Constant factor.

Definition at line 128 of file LauDabbaRes.hh.

Double_t LauDabbaRes::beta_

private

Constant factor.

Definition at line 132 of file LauDabbaRes.hh.

Double_t LauDabbaRes::mSumSq_

private

Defined as mD + mPi all squared.

Definition at line 124 of file LauDabbaRes.hh.

Double_t LauDabbaRes::sAdler_

private

Defined as mD*mD - 0.5*mPi*mPi.

Definition at line 126 of file LauDabbaRes.hh.

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

inc/LauDabbaRes.hh
src/LauDabbaRes.cc

Public Member Functions

Protected Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation