LauDabbaRes Class Reference

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

#include <LauDabbaRes.hh>

Inheritance diagram for LauDabbaRes:

Public Member Functions
	LauDabbaRes (LauResonanceInfo *resInfo, const 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...
virtual void	floatResonanceParameter (const TString &name)
	Allow the various parameters to float in the fit. More...
virtual LauParameter *	getResonanceParameter (const TString &name)
	Access the given resonance parameter. More...
virtual const std::vector < LauParameter * > &	getFloatingParameters ()
	Retrieve the resonance parameters, e.g. so that they can be loaded into a fit. More...
Public Member Functions inherited from LauAbsResonance
	LauAbsResonance (LauResonanceInfo *resInfo, const Int_t resPairAmpInt, const LauDaughters *daughters)
	Constructor (for use by standard resonances) More...
	LauAbsResonance (const TString &resName, const Int_t resPairAmpInt, const LauDaughters *daughters)
	Constructor (for use by K-matrix components) More...
virtual	~LauAbsResonance ()
	Destructor. More...
virtual LauComplex	amplitude (const LauKinematics *kinematics)
	Calculate the complex amplitude. More...
LauSpinType	getSpinType () const
	Get the spin type. More...
const TString &	getResonanceName () const
	Get the name of the resonance. More...
const TString &	getSanitisedName () 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...
LauParameter *	getMassPar ()
	Get the mass parameter of the resonance. More...
LauParameter *	getWidthPar ()
	Get the width parameter of the resonance. More...
virtual Bool_t	preSymmetrised () const
	Is the amplitude pre-symmetrised? More...
Bool_t	flipHelicity () const
	Get the helicity flip flag. More...
void	flipHelicity (const Bool_t boolean)
	Set the helicity flip flag. More...
Bool_t	ignoreMomenta () const
	Get the ignore momenta flag. More...
void	ignoreMomenta (const Bool_t boolean)
	Set the ignore momenta flag. More...
Bool_t	ignoreSpin () const
	Get the ignore spin flag. More...
void	ignoreSpin (const Bool_t boolean)
	Set the ignore spin flag. More...
Bool_t	ignoreBarrierScaling () const
	Get the ignore barrier factor scaling flag. More...
void	ignoreBarrierScaling (const Bool_t boolean)
	Set the ignore barrier factor scaling 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...
void	changeBWBarrierRadii (const Double_t resRadius, const Double_t parRadius)
	Allow the Blatt-Weisskopf radius for the resonance and parent factors to be changed. More...
void	fixMass (const Bool_t parFixed)
	Fix or release the resonance mass. More...
void	fixWidth (const Bool_t parFixed)
	Fix or release the resonance width. More...
Bool_t	fixMass () const
	Get the status of resonance mass (fixed or released) More...
Bool_t	fixWidth () const
	Get the status of resonance width (fixed or released) More...
void	setSpinType (const LauSpinType spinType)
	Set the spin formalism to be used. More...
void	setBarrierRadii (LauBlattWeisskopfFactor *resFactor, LauBlattWeisskopfFactor *parFactor)
	Set the form factor model and parameters. More...
void	fixBarrierRadii (const Bool_t fixResRadius, const Bool_t fixParRadius)
	Fix or release the Blatt-Weisskopf barrier radii. More...
Bool_t	fixResRadius () const
	Get the status of resonance barrier radius (fixed or released) More...
Bool_t	fixParRadius () const
	Get the status of parent barrier radius (fixed or released) More...
Double_t	getResRadius () const
	Get the radius of the resonance barrier factor. More...
Double_t	getParRadius () const
	Get the radius of the parent barrier factor. More...

Protected Member Functions
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...
Bool_t	fixBValue () const
	Fix the b parameter value. More...
Bool_t	fixAlphaValue () const
	Fix the alpha parameter value. More...
Bool_t	fixBetaValue () const
	Fix 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	getCovFactor () const
	Get the current value of the full spin-dependent covariant factor. More...
LauBlattWeisskopfFactor *	getParBWFactor ()
	Get the centrifugal barrier for the parent decay. More...
const LauBlattWeisskopfFactor *	getParBWFactor () const
LauBlattWeisskopfFactor *	getResBWFactor ()
	Get the centrifugal barrier for the resonance decay. More...
const LauBlattWeisskopfFactor *	getResBWFactor () const
LauResonanceInfo *	getResInfo () const
	Access the resonance info object. More...
const LauDaughters *	getDaughters () const
	Access the daughters object. More...
Double_t	calcZemachSpinFactor (const Double_t pProd) const
	Calculate the amplitude spin term using the Zemach tensor formalism. More...
Double_t	calcCovSpinFactor (const Double_t pProd)
	Calculate the amplitude spin term using the covariant tensor formalism. More...
void	calcCovFactor (const Double_t erm)
	Calculate the spin-dependent covariant factor. More...
Double_t	calcLegendrePoly () const
	Calculate the Legendre polynomial for the spin factor. More...
Double_t	calcLegendrePoly (const Double_t cosHel)
	Calculate the Legendre polynomial for the spin factor (specifying the cosHel value) More...
void	clearFloatingParameters ()
	Clear list of floating parameters. More...
void	addFloatingParameter (LauParameter *param)
	Add parameter to the list of floating parameters. More...
std::vector< LauParameter * > &	getParameters ()
	Access the list of floating parameters. More...

Private Member Functions
	LauDabbaRes (const LauDabbaRes &rhs)
	Copy constructor (not implemented) More...
LauDabbaRes &	operator= (const LauDabbaRes &rhs)
	Copy assignment operator (not implemented) More...

Private Attributes
Double_t	mSumSq_
	Defined as mD + mPi all squared. More...
Double_t	sAdler_
	Defined as mD*mD - 0.5*mPi*mPi. More...
LauParameter *	b_
	Constant factor. More...
LauParameter *	alpha_
	Constant factor. More...
LauParameter *	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, EFKLLM, KMatrix,   FlatNR, NRModel, BelleNR, PowerLawNR,   BelleSymNR, BelleSymNRNoInter, TaylorNR, PolNR,   Pole, PolarFFNR, PolarFFSymNR, PolarFFSymNRNoInter,   Rescattering, Rescattering2, RescatteringNoInter, MIPW_MagPhase,   MIPW_RealImag, GaussIncoh, RhoOmegaMix_GS, RhoOmegaMix_RBW,   RhoOmegaMix_GS_1, RhoOmegaMix_RBW_1 }
	Define the allowed resonance types. More...
enum	LauSpinType { Zemach_P, Zemach_Pstar, Covariant, Legendre }
	Define the allowed spin formalisms. More...
Static Public Member Functions inherited from LauAbsResonance
static bool	isIncoherentModel (LauResonanceModel model)
	Is the resonance model incoherent? 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 45 of file LauDabbaRes.hh.

Constructor & Destructor Documentation

LauDabbaRes::LauDabbaRes	(	LauResonanceInfo *	resInfo,
		const Int_t	resPairAmpInt,
		const LauDaughters *	daughters
	)

Constructor.

Parameters

[in]	resInfo	the object containing information on the resonance name, mass, width, spin, charge, etc.
[in]	resPairAmpInt	the number of the daughter not produced by the resonance
[in]	daughters	the daughter particles

Definition at line 39 of file LauDabbaRes.cc.

LauDabbaRes::~LauDabbaRes ( )

virtual

Destructor.

Definition at line 82 of file LauDabbaRes.cc.

LauDabbaRes::LauDabbaRes ( const LauDabbaRes &  rhs )

private

Copy constructor (not implemented)

Member Function Documentation

void LauDabbaRes::checkDaughterTypes ( ) const

protected

Check that the daughter particles are D and pi.

Definition at line 108 of file LauDabbaRes.cc.

Bool_t LauDabbaRes::fixAlphaValue ( ) const

inlineprotected

Fix the alpha parameter value.

Returns

kTRUE if the alpha parameter is fixed, kFALSE otherwise

Definition at line 141 of file LauDabbaRes.hh.

Bool_t LauDabbaRes::fixBetaValue ( ) const

inlineprotected

Fix the beta parameter value.

Returns

kTRUE if the beta parameter is fixed, kFALSE otherwise

Definition at line 147 of file LauDabbaRes.hh.

Bool_t LauDabbaRes::fixBValue ( ) const

inlineprotected

Fix the b parameter value.

Returns

kTRUE if the b parameter is fixed, kFALSE otherwise

Definition at line 135 of file LauDabbaRes.hh.

void LauDabbaRes::floatResonanceParameter ( const TString &  name )

virtual

Allow the various parameters to float in the fit.

Parameters

[in]

name

the name of the parameter to be floated

Reimplemented from LauAbsResonance.

Definition at line 205 of file LauDabbaRes.cc.

Double_t LauDabbaRes::getAlphaValue ( ) const

inlineprotected

Get the alpha parameter value.

Returns

value of the alpha parameter

Definition at line 123 of file LauDabbaRes.hh.

Double_t LauDabbaRes::getBetaValue ( ) const

inlineprotected

Get the beta parameter value.

Returns

value of the beta parameter

Definition at line 129 of file LauDabbaRes.hh.

Double_t LauDabbaRes::getBValue ( ) const

inlineprotected

Get the b parameter value.

Returns

value of the b parameter

Definition at line 117 of file LauDabbaRes.hh.

const std::vector< LauParameter * > & LauDabbaRes::getFloatingParameters ( )

virtual

Retrieve the resonance parameters, e.g. so that they can be loaded into a fit.

Returns

floating parameters of the resonance

Reimplemented from LauAbsResonance.

Definition at line 166 of file LauDabbaRes.cc.

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

inlinevirtual

Get the resonance model type.

Returns

the resonance model type

Implements LauAbsResonance.

Definition at line 66 of file LauDabbaRes.hh.

LauParameter * LauDabbaRes::getResonanceParameter ( const TString &  name )

virtual

Access the given resonance parameter.

Parameters

[in]

name

the name of the parameter

Returns

the corresponding parameter

Reimplemented from LauAbsResonance.

Definition at line 233 of file LauDabbaRes.cc.

void LauDabbaRes::initialise ( )

virtual

Initialise the model.

Implements LauAbsResonance.

Definition at line 86 of file LauDabbaRes.cc.

LauDabbaRes& LauDabbaRes::operator= ( const LauDabbaRes &  rhs )

private

Copy assignment operator (not implemented)

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

protectedvirtual

Complex resonant amplitude.

Parameters

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

Implements LauAbsResonance.

Definition at line 127 of file LauDabbaRes.cc.

void LauDabbaRes::setAlphaValue ( const Double_t  alpha )

protected

Set the alpha parameter.

Parameters

[in]

alpha

new value for alpha parameter

Definition at line 254 of file LauDabbaRes.cc.

void LauDabbaRes::setBetaValue ( const Double_t  beta )

protected

Set the beta parameter.

Parameters

[in]

beta

new value for beta parameter

Definition at line 261 of file LauDabbaRes.cc.

void LauDabbaRes::setBValue ( const Double_t  b )

protected

Set the b parameter.

Parameters

[in]

b

new value for b parameter

Definition at line 247 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 185 of file LauDabbaRes.cc.

Member Data Documentation

LauParameter* LauDabbaRes::alpha_

private

Constant factor.

Definition at line 174 of file LauDabbaRes.hh.

LauParameter* LauDabbaRes::b_

private

Constant factor.

Definition at line 172 of file LauDabbaRes.hh.

LauParameter* LauDabbaRes::beta_

private

Constant factor.

Definition at line 176 of file LauDabbaRes.hh.

Double_t LauDabbaRes::mSumSq_

private

Defined as mD + mPi all squared.

Definition at line 167 of file LauDabbaRes.hh.

Double_t LauDabbaRes::sAdler_

private

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

Definition at line 169 of file LauDabbaRes.hh.

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

• inc/LauDabbaRes.hh
• src/LauDabbaRes.cc