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Laura++  3.6.0
A maximum likelihood fitting package for performing Dalitz-plot analysis.

Class for defining an alternative rescattering model. More...

#include <LauRescattering2Res.hh>

Inheritance diagram for LauRescattering2Res:
LauAbsResonance

Public Member Functions

 LauRescattering2Res (LauResonanceInfo *resInfo, const Int_t resPairAmpInt, const LauDaughters *daughters)
 Constructor. More...
 
virtual ~LauRescattering2Res ()
 Destructor.
 
virtual void initialise ()
 Initialise the model.
 
virtual LauAbsResonance::LauResonanceModel getResonanceModel () const
 Get the resonance model type. More...
 
virtual void setResonanceParameter (const TString &name, const Double_t value)
 Set value of a resonance parameter. More...
 
virtual void floatResonanceParameter (const TString &name)
 Allow the various parameters to float in the fit. More...
 
virtual LauParametergetResonanceParameter (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, const Int_t resSpin)
 Constructor (for use by K-matrix components) More...
 
virtual ~LauAbsResonance ()
 Destructor.
 
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...
 
LauParametergetMassPar ()
 Get the mass parameter of the resonance. More...
 
LauParametergetWidthPar ()
 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.
 
Bool_t fixResRadius () const
 Get the status of resonance barrier radius (fixed or released)
 
Bool_t fixParRadius () const
 Get the status of parent barrier radius (fixed or released)
 
Double_t getResRadius () const
 Get the radius of the resonance barrier factor.
 
Double_t getParRadius () const
 Get the radius of the parent barrier factor.
 

Protected Member Functions

virtual LauComplex resAmp (Double_t mass, Double_t spinTerm)
 This is not meant to be called.
 
Double_t pn (const Double_t x, const Double_t n) const
 
Double_t x (const Double_t sqr_t, const Int_t i) const
 
Double_t phi00 (const Double_t sqr_t, const Int_t i) const
 
Double_t g00 (const Double_t sqr_t, const Int_t i) const
 
void setB1Parameter (const Double_t B1)
 
void setB2Parameter (const Double_t B2)
 
void setB3Parameter (const Double_t B3)
 
void setC1Parameter (const Double_t C1)
 
void setC2Parameter (const Double_t C2)
 
void setC3Parameter (const Double_t C3)
 
void setC4Parameter (const Double_t C4)
 
void setC5Parameter (const Double_t C5)
 
void setD0Parameter (const Double_t D0)
 
void setD1Parameter (const Double_t D1)
 
void setD2Parameter (const Double_t D2)
 
void setD3Parameter (const Double_t D3)
 
void setF1Parameter (const Double_t F1)
 
void setF2Parameter (const Double_t F2)
 
void setF3Parameter (const Double_t F3)
 
void setF4Parameter (const Double_t F4)
 
Double_t getB1Parameter () const
 
Bool_t fixB1Parameter () const
 
Double_t getB2Parameter () const
 
Bool_t fixB2Parameter () const
 
Double_t getB3Parameter () const
 
Bool_t fixB3Parameter () const
 
Double_t getC1Parameter () const
 
Bool_t fixC1Parameter () const
 
Double_t getC2Parameter () const
 
Bool_t fixC2Parameter () const
 
Double_t getC3Parameter () const
 
Bool_t fixC3Parameter () const
 
Double_t getC4Parameter () const
 
Bool_t fixC4Parameter () const
 
Double_t getC5Parameter () const
 
Bool_t fixC5Parameter () const
 
Double_t getD0Parameter () const
 
Bool_t fixD0Parameter () const
 
Double_t getD1Parameter () const
 
Bool_t fixD1Parameter () const
 
Double_t getD2Parameter () const
 
Bool_t fixD2Parameter () const
 
Double_t getD3Parameter () const
 
Bool_t fixD3Parameter () const
 
Double_t getF1Parameter () const
 
Bool_t fixF1Parameter () const
 
Double_t getF2Parameter () const
 
Bool_t fixF2Parameter () const
 
Double_t getF3Parameter () const
 
Bool_t fixF3Parameter () const
 
Double_t getF4Parameter () const
 
Bool_t fixF4Parameter () const
 
- Protected Member Functions inherited from LauAbsResonance
TString getNameParent () const
 Get the name of the parent particle.
 
TString getNameDaug1 () const
 Get the name of the first daughter of the resonance.
 
TString getNameDaug2 () const
 Get the name of the second daughter of the resonance.
 
TString getNameBachelor () const
 Get the name of the daughter that does not originate form the resonance.
 
Double_t getMassParent () const
 Get the parent particle mass.
 
Double_t getMassDaug1 () const
 Get the mass of daughter 1.
 
Double_t getMassDaug2 () const
 Get the mass of daughter 2.
 
Double_t getMassBachelor () const
 Get the mass of the bachelor daughter.
 
Int_t getChargeParent () const
 Get the Charge of the parent particle.
 
Int_t getChargeDaug1 () const
 Get the charge of daughter 1.
 
Int_t getChargeDaug2 () const
 Get the charge of daughter 2.
 
Int_t getChargeBachelor () const
 Get the charge of the bachelor daughter.
 
Double_t getQ () const
 Get the current value of the daughter momentum in the resonance rest frame.
 
Double_t getP () const
 Get the current value of the bachelor momentum in the resonance rest frame.
 
Double_t getPstar () const
 Get the current value of the bachelor momentum in the parent rest frame.
 
Double_t getCovFactor () const
 Get the current value of the full spin-dependent covariant factor.
 
LauBlattWeisskopfFactorgetParBWFactor ()
 Get the centrifugal barrier for the parent decay.
 
const LauBlattWeisskopfFactorgetParBWFactor () const
 Get the centrifugal barrier for the parent decay.
 
LauBlattWeisskopfFactorgetResBWFactor ()
 Get the centrifugal barrier for the resonance decay.
 
const LauBlattWeisskopfFactorgetResBWFactor () const
 Get the centrifugal barrier for the resonance decay.
 
LauResonanceInfogetResInfo () const
 Access the resonance info object.
 
const LauDaughtersgetDaughters () const
 Access the daughters object.
 
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.
 
void addFloatingParameter (LauParameter *param)
 Add parameter to the list of floating parameters. More...
 
std::vector< LauParameter * > & getParameters ()
 Access the list of floating parameters.
 

Private Member Functions

 LauRescattering2Res (const LauRescattering2Res &rhs)
 Copy constructor (not implemented)
 
LauRescattering2Resoperator= (const LauRescattering2Res &rhs)
 Copy assignment operator (not implemented)
 

Private Attributes

LauParameterB1_
 Parameter.
 
LauParameterB2_
 
LauParameterB3_
 
LauParameterC1_
 
LauParameterC2_
 
LauParameterC3_
 
LauParameterC4_
 
LauParameterC5_
 
LauParameterD0_
 
LauParameterD1_
 
LauParameterD2_
 
LauParameterD3_
 
LauParameterF1_
 
LauParameterF2_
 
LauParameterF3_
 
LauParameterF4_
 
Double_t sqr_tmin [3]
 
Double_t sqr_tmax [3]
 
Double_t B0_
 
Double_t C0_
 
Double_t F0_
 

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 an alternative rescattering model.

Model for pipi SWave proposed by J.Schechter as used by Cleo (PRD76,01200(2007) to replace the sigma and f0(980) contributions.

Definition at line 45 of file LauRescattering2Res.hh.

Constructor & Destructor Documentation

◆ LauRescattering2Res()

LauRescattering2Res::LauRescattering2Res ( LauResonanceInfo resInfo,
const Int_t  resPairAmpInt,
const LauDaughters daughters 
)

Constructor.

Parameters
[in]resInfothe object containing information on the resonance name, mass, width, spin, charge, etc.
[in]resPairAmpIntthe number of the daughter not produced by the resonance
[in]daughtersthe daughter particles

Definition at line 36 of file LauRescattering2Res.cc.

Member Function Documentation

◆ floatResonanceParameter()

void LauRescattering2Res::floatResonanceParameter ( const TString &  name)
virtual

Allow the various parameters to float in the fit.

Parameters
[in]namethe name of the parameter to be floated

Reimplemented from LauAbsResonance.

Definition at line 453 of file LauRescattering2Res.cc.

◆ getFloatingParameters()

const std::vector< LauParameter * > & LauRescattering2Res::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 318 of file LauRescattering2Res.cc.

◆ getResonanceModel()

virtual LauAbsResonance::LauResonanceModel LauRescattering2Res::getResonanceModel ( ) const
inlinevirtual

Get the resonance model type.

Returns
the resonance model type

Implements LauAbsResonance.

Definition at line 68 of file LauRescattering2Res.hh.

◆ getResonanceParameter()

LauParameter * LauRescattering2Res::getResonanceParameter ( const TString &  name)
virtual

Access the given resonance parameter.

Parameters
[in]namethe name of the parameter
Returns
the corresponding parameter

Reimplemented from LauAbsResonance.

Definition at line 589 of file LauRescattering2Res.cc.

◆ setResonanceParameter()

void LauRescattering2Res::setResonanceParameter ( const TString &  name,
const Double_t  value 
)
virtual

Set value of a resonance parameter.

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

Reimplemented from LauAbsResonance.

Definition at line 380 of file LauRescattering2Res.cc.


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