Class for defining the rho-omega resonance mixing model. More...

#include <LauRhoOmegaMix.hh>

Inheritance diagram for LauRhoOmegaMix:

Public Member Functions
	LauRhoOmegaMix (LauResonanceInfo resInfo, const LauAbsResonance::LauResonanceModel resType, const Int_t resPairAmpInt, const LauDaughters daughters)
	Constructor. More...

virtual	~LauRhoOmegaMix ()
	Destructor. More...

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

void	initialiseRho ()
	Initialise the rho resonance. More...

void	initialiseOmega ()
	Initialise the omega resonance. More...

virtual LauComplex	amplitude (const LauKinematics *kinematics)
	Get the complex dynamical amplitude. 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...

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	setmOmegaValue (const Double_t mOmega)
	Set the omega pole mass parameter. More...

Double_t	getmOmegaValue () const
	Get the omega pole mass parameter value. More...

Bool_t	fixmOmegaValue () const
	Fix the omega pole mass parameter value. More...

void	setwOmegaValue (const Double_t wOmega)
	Set the omega pole width parameter. More...

Double_t	getwOmegaValue () const
	Get the omega pole width parameter value. More...

Bool_t	fixwOmegaValue () const
	Fix the omega pole width parameter value. More...

void	setmagBValue (const Double_t magB)
	Set the omega B magnitude mixing parameter. More...

Double_t	getmagBValue () const
	Get the omega B magnitude mixing parameter. More...

Bool_t	fixmagBValue () const
	Fix the omega B magnitude mixing parameter value. More...

void	setphiBValue (const Double_t phiB)
	Set the omega B phase mixing parameter. More...

Double_t	getphiBValue () const
	Get the omega B phase mixing parameter. More...

Bool_t	fixphiBValue () const
	Fix the omega B phase mixing parameter value. More...

void	setdeltaValue (const Double_t delta)
	Set the omega mixing parameter delta. More...

Double_t	getdeltaValue () const
	Get the omega mixing parameter delta. More...

Bool_t	fixdeltaValue () const
	Fix the omega mixing parameter delta value. More...

virtual LauComplex	resAmp (Double_t mass, Double_t spinTerm)
	This is not called, amplitude is used directly instead. More...

void	checkDaughterTypes () const
	Check that both daughters are the same type of particle. 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
	LauRhoOmegaMix (const LauRhoOmegaMix &rhs)
	Copy constructor (not implemented) More...

LauRhoOmegaMix &	operator= (const LauRhoOmegaMix &rhs)
	Copy assignment operator (not implemented) More...

Private Attributes
LauAbsResonance::LauResonanceModel	model_
	The model to use. More...

Double_t	rhoMass_
	Previous value of the pole mass of the rho resonance. More...

Double_t	rhoResRadius_
	Previous value of the barrier radius of the rho resonance. More...

Double_t	rhoParRadius_
	Previous value of the parents barrier radius of the rho resonance. More...

LauParameter *	mOmega_
	Pole mass of the omega contribution. More...

Double_t	mOmega0_
	Initial default value of the omega pole mass from LauResonanceMaker. More...

Double_t	mOmegaCur_
	Current value of the omega pole mass (floating or fixed) More...

LauParameter *	wOmega_
	Pole width of the omega contribution. More...

Double_t	wOmega0_
	Initial default value of the omega pole width from LauResonanceMaker. More...

Double_t	wOmegaCur_
	Current value of the omega pole mass (floating or fixed) More...

LauParameter *	magB_
	B magnitude parameter of the omega mixing contribution. More...

LauParameter *	phiB_
	B phase parameter of the omega mixing contribution. More...

LauParameter *	delta_
	delta parameter of the omega mixing contribution More...

Bool_t	useDenom_
	Boolean to specify if we want to use the denominator factor. More...

Bool_t	doneFirstInit_
	Boolean to specify if we have performed the first initialisation. More...

LauAbsResonance *	rhoRes_
	Pointer to the rho (or first) resonance lineshape. More...

LauAbsResonance *	omegaRes_
	Pointer to the omega (second) resonance lineshape. 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, 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 rho-omega resonance mixing model.

Formulae from Paul Rensing thesis, SLAC Report 421 and Bill Dunwoodie's note http://www.slac.stanford.edu/~wmd/omega-rho_mixing/omega-rho_mixing.note

Definition at line 50 of file LauRhoOmegaMix.hh.

Constructor & Destructor Documentation

LauRhoOmegaMix::LauRhoOmegaMix	(	LauResonanceInfo *	resInfo,
		const LauAbsResonance::LauResonanceModel	resType,
		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]	resType	the model of the resonance
[in]	resPairAmpInt	the number of the daughter not produced by the resonance
[in]	daughters	the daughter particles

Definition at line 42 of file LauRhoOmegaMix.cc.

LauRhoOmegaMix::~LauRhoOmegaMix ( )

virtual

Destructor.

Definition at line 160 of file LauRhoOmegaMix.cc.

LauRhoOmegaMix::LauRhoOmegaMix ( const LauRhoOmegaMix & rhs )

private

Copy constructor (not implemented)

Member Function Documentation

LauComplex LauRhoOmegaMix::amplitude ( const LauKinematics * kinematics )

virtual

Get the complex dynamical amplitude.

Parameters

[in] kinematics the kinematic variables of the current event

Returns: the complex amplitude

Reimplemented from LauAbsResonance.

Definition at line 254 of file LauRhoOmegaMix.cc.

void LauRhoOmegaMix::checkDaughterTypes ( ) const

protected

Check that both daughters are the same type of particle.

Bool_t LauRhoOmegaMix::fixdeltaValue ( ) const

inlineprotected

Fix the omega mixing parameter delta value.

Returns: kTRUE if the omega mixing parameter delta is fixed, kFALSE otherwise

Definition at line 208 of file LauRhoOmegaMix.hh.

Bool_t LauRhoOmegaMix::fixmagBValue ( ) const

inlineprotected

Fix the omega B magnitude mixing parameter value.

Returns: kTRUE if the omega B magnitude mixing parameter is fixed, kFALSE otherwise

Definition at line 170 of file LauRhoOmegaMix.hh.

Bool_t LauRhoOmegaMix::fixmOmegaValue ( ) const

inlineprotected

Fix the omega pole mass parameter value.

Returns: kTRUE if the omega pole mass parameter is fixed, kFALSE otherwise

Definition at line 132 of file LauRhoOmegaMix.hh.

Bool_t LauRhoOmegaMix::fixphiBValue ( ) const

inlineprotected

Fix the omega B phase mixing parameter value.

Returns: kTRUE if the omega B phase mixing parameter is fixed, kFALSE otherwise

Definition at line 189 of file LauRhoOmegaMix.hh.

Bool_t LauRhoOmegaMix::fixwOmegaValue ( ) const

inlineprotected

Fix the omega pole width parameter value.

Returns: kTRUE if the omega pole width parameter is fixed, kFALSE otherwise

Definition at line 151 of file LauRhoOmegaMix.hh.

void LauRhoOmegaMix::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 405 of file LauRhoOmegaMix.cc.

Double_t LauRhoOmegaMix::getdeltaValue ( ) const

inlineprotected

Get the omega mixing parameter delta.

Returns: value of the omega mixing parameter delta

Definition at line 202 of file LauRhoOmegaMix.hh.

const std::vector< LauParameter * > & LauRhoOmegaMix::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 338 of file LauRhoOmegaMix.cc.

Double_t LauRhoOmegaMix::getmagBValue ( ) const

inlineprotected

Get the omega B magnitude mixing parameter.

Returns: value of the omega B magnitude mixing parameter

Definition at line 164 of file LauRhoOmegaMix.hh.

Double_t LauRhoOmegaMix::getmOmegaValue ( ) const

inlineprotected

Get the omega pole mass parameter value.

Returns: value of the omega pole mass parameter

Definition at line 126 of file LauRhoOmegaMix.hh.

Double_t LauRhoOmegaMix::getphiBValue ( ) const

inlineprotected

Get the omega B phase mixing parameter.

Returns: value of the omega B phase mixing parameter

Definition at line 183 of file LauRhoOmegaMix.hh.

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

inlinevirtual

Get the resonance model type.

Returns: the resonance model type

Implements LauAbsResonance.

Definition at line 86 of file LauRhoOmegaMix.hh.

LauParameter * LauRhoOmegaMix::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 446 of file LauRhoOmegaMix.cc.

Double_t LauRhoOmegaMix::getwOmegaValue ( ) const

inlineprotected

Get the omega pole width parameter value.

Returns: value of the omega pole width parameter

Definition at line 145 of file LauRhoOmegaMix.hh.

void LauRhoOmegaMix::initialise ( )

virtual

Initialise the model.

Implements LauAbsResonance.

Definition at line 164 of file LauRhoOmegaMix.cc.

void LauRhoOmegaMix::initialiseOmega ( )

Initialise the omega resonance.

Definition at line 188 of file LauRhoOmegaMix.cc.

void LauRhoOmegaMix::initialiseRho ( )

Initialise the rho resonance.

Definition at line 176 of file LauRhoOmegaMix.cc.

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

private

Copy assignment operator (not implemented)

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

protectedvirtual

This is not called, amplitude is used directly instead.

Implements LauAbsResonance.

Definition at line 331 of file LauRhoOmegaMix.cc.

void LauRhoOmegaMix::setdeltaValue ( const Double_t delta )

protected

Set the omega mixing parameter delta.

Parameters

[in] delta new value for the omega mixing parameter delta

Definition at line 488 of file LauRhoOmegaMix.cc.

void LauRhoOmegaMix::setmagBValue ( const Double_t magB )

protected

Set the omega B magnitude mixing parameter.

Parameters

[in] magB new value for the omega B magnitude mixing parameter

Definition at line 476 of file LauRhoOmegaMix.cc.

void LauRhoOmegaMix::setmOmegaValue ( const Double_t mOmega )

protected

Set the omega pole mass parameter.

Parameters

[in] mOmega new value for the omega mass parameter

Definition at line 464 of file LauRhoOmegaMix.cc.

void LauRhoOmegaMix::setphiBValue ( const Double_t phiB )

protected

Set the omega B phase mixing parameter.

Parameters

[in] phiB new value for the omega B phase mixing parameter

Definition at line 482 of file LauRhoOmegaMix.cc.

void LauRhoOmegaMix::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 381 of file LauRhoOmegaMix.cc.

void LauRhoOmegaMix::setwOmegaValue ( const Double_t wOmega )

protected

Set the omega pole width parameter.

Parameters

[in] wOmega new value for the omega width parameter

Definition at line 470 of file LauRhoOmegaMix.cc.

Member Data Documentation

LauParameter* LauRhoOmegaMix::delta_

private

delta parameter of the omega mixing contribution

Definition at line 261 of file LauRhoOmegaMix.hh.

Bool_t LauRhoOmegaMix::doneFirstInit_

private

Boolean to specify if we have performed the first initialisation.

Definition at line 267 of file LauRhoOmegaMix.hh.

LauParameter* LauRhoOmegaMix::magB_

private

B magnitude parameter of the omega mixing contribution.

Definition at line 255 of file LauRhoOmegaMix.hh.

LauAbsResonance::LauResonanceModel LauRhoOmegaMix::model_

private

The model to use.

Definition at line 225 of file LauRhoOmegaMix.hh.

Double_t LauRhoOmegaMix::mOmega0_

private

Initial default value of the omega pole mass from LauResonanceMaker.

Definition at line 240 of file LauRhoOmegaMix.hh.

LauParameter* LauRhoOmegaMix::mOmega_

private

Pole mass of the omega contribution.

Definition at line 237 of file LauRhoOmegaMix.hh.

Double_t LauRhoOmegaMix::mOmegaCur_

private

Current value of the omega pole mass (floating or fixed)

Definition at line 243 of file LauRhoOmegaMix.hh.

LauAbsResonance* LauRhoOmegaMix::omegaRes_

private

Pointer to the omega (second) resonance lineshape.

Definition at line 273 of file LauRhoOmegaMix.hh.

LauParameter* LauRhoOmegaMix::phiB_

private

B phase parameter of the omega mixing contribution.

Definition at line 258 of file LauRhoOmegaMix.hh.

Double_t LauRhoOmegaMix::rhoMass_

private

Previous value of the pole mass of the rho resonance.

Definition at line 228 of file LauRhoOmegaMix.hh.

Double_t LauRhoOmegaMix::rhoParRadius_

private

Previous value of the parents barrier radius of the rho resonance.

Definition at line 234 of file LauRhoOmegaMix.hh.

LauAbsResonance* LauRhoOmegaMix::rhoRes_

private

Pointer to the rho (or first) resonance lineshape.

Definition at line 270 of file LauRhoOmegaMix.hh.

Double_t LauRhoOmegaMix::rhoResRadius_

private

Previous value of the barrier radius of the rho resonance.

Definition at line 231 of file LauRhoOmegaMix.hh.

Bool_t LauRhoOmegaMix::useDenom_

private

Boolean to specify if we want to use the denominator factor.

Definition at line 264 of file LauRhoOmegaMix.hh.

Double_t LauRhoOmegaMix::wOmega0_

private

Initial default value of the omega pole width from LauResonanceMaker.

Definition at line 249 of file LauRhoOmegaMix.hh.

LauParameter* LauRhoOmegaMix::wOmega_

private

Pole width of the omega contribution.

Definition at line 246 of file LauRhoOmegaMix.hh.

Double_t LauRhoOmegaMix::wOmegaCur_

private

Current value of the omega pole mass (floating or fixed)

Definition at line 252 of file LauRhoOmegaMix.hh.

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

inc/LauRhoOmegaMix.hh
src/LauRhoOmegaMix.cc

Public Member Functions

Protected Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation