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Laura++  v3r3
A maximum likelihood fitting package for performing Dalitz-plot analysis.

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

#include <LauDabbaRes.hh>

Inheritance diagram for LauDabbaRes:
LauAbsResonance

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 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)
 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...
 
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. 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...
 
LauBlattWeisskopfFactorgetParBWFactor ()
 Get the centrifugal barrier for the parent decay. More...
 
const LauBlattWeisskopfFactorgetParBWFactor () const
 
LauBlattWeisskopfFactorgetResBWFactor ()
 Get the centrifugal barrier for the resonance decay. More...
 
const LauBlattWeisskopfFactorgetResBWFactor () const
 
LauResonanceInfogetResInfo () const
 Access the resonance info object. More...
 
const LauDaughtersgetDaughters () 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...
 
LauDabbaResoperator= (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...
 
LauParameterb_
 Constant factor. More...
 
LauParameteralpha_
 Constant factor. More...
 
LauParameterbeta_
 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,
  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 31 of file LauDabbaRes.hh.

Constructor & Destructor Documentation

LauDabbaRes::LauDabbaRes ( 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 25 of file LauDabbaRes.cc.

LauDabbaRes::~LauDabbaRes ( )
virtual

Destructor.

Definition at line 68 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 94 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 127 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 133 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 121 of file LauDabbaRes.hh.

void LauDabbaRes::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 191 of file LauDabbaRes.cc.

Double_t LauDabbaRes::getAlphaValue ( ) const
inlineprotected

Get the alpha parameter value.

Returns
value of the alpha parameter

Definition at line 109 of file LauDabbaRes.hh.

Double_t LauDabbaRes::getBetaValue ( ) const
inlineprotected

Get the beta parameter value.

Returns
value of the beta parameter

Definition at line 115 of file LauDabbaRes.hh.

Double_t LauDabbaRes::getBValue ( ) const
inlineprotected

Get the b parameter value.

Returns
value of the b parameter

Definition at line 103 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 152 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 52 of file LauDabbaRes.hh.

LauParameter * LauDabbaRes::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 219 of file LauDabbaRes.cc.

void LauDabbaRes::initialise ( )
virtual

Initialise the model.

Implements LauAbsResonance.

Definition at line 72 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]massappropriate invariant mass for the resonance
[in]spinTermspin term

Implements LauAbsResonance.

Definition at line 113 of file LauDabbaRes.cc.

void LauDabbaRes::setAlphaValue ( const Double_t  alpha)
protected

Set the alpha parameter.

Parameters
[in]alphanew value for alpha parameter

Definition at line 240 of file LauDabbaRes.cc.

void LauDabbaRes::setBetaValue ( const Double_t  beta)
protected

Set the beta parameter.

Parameters
[in]betanew value for beta parameter

Definition at line 247 of file LauDabbaRes.cc.

void LauDabbaRes::setBValue ( const Double_t  b)
protected

Set the b parameter.

Parameters
[in]bnew value for b parameter

Definition at line 233 of file LauDabbaRes.cc.

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

Set value of the various parameters.

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

Reimplemented from LauAbsResonance.

Definition at line 171 of file LauDabbaRes.cc.

Member Data Documentation

LauParameter* LauDabbaRes::alpha_
private

Constant factor.

Definition at line 160 of file LauDabbaRes.hh.

LauParameter* LauDabbaRes::b_
private

Constant factor.

Definition at line 158 of file LauDabbaRes.hh.

LauParameter* LauDabbaRes::beta_
private

Constant factor.

Definition at line 162 of file LauDabbaRes.hh.

Double_t LauDabbaRes::mSumSq_
private

Defined as mD + mPi all squared.

Definition at line 153 of file LauDabbaRes.hh.

Double_t LauDabbaRes::sAdler_
private

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

Definition at line 155 of file LauDabbaRes.hh.


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