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Laura++  v2r2
A maximum likelihood fitting package for performing Dalitz-plot analysis.
LauBelleSymNR.hh
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1 
2 // Copyright University of Warwick 2004 - 2013.
3 // Distributed under the Boost Software License, Version 1.0.
4 // (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
5 
6 // Authors:
7 // Thomas Latham
8 // John Back
9 // Paul Harrison
10 
22 #ifndef LAU_BELLE_SYM_NR
23 #define LAU_BELLE_SYM_NR
24 
25 #include "TString.h"
26 
27 #include "LauComplex.hh"
28 #include "LauAbsResonance.hh"
29 
30 class LauKinematics;
31 
32 
34 
35  public:
37 
47  LauBelleSymNR(const TString& resName, const LauAbsResonance::LauResonanceModel resType,
48  const Double_t resMass, const Double_t resWidth,
49  const Int_t resSpin, const Int_t resCharge,
50  const Int_t resPairAmpInt, const LauDaughters* daughters);
51 
53  virtual ~LauBelleSymNR();
54 
56  virtual void initialise();
57 
59 
63  virtual LauComplex amplitude(const LauKinematics* kinematics);
64 
66 
70 
72 
76  virtual void setResonanceParameter(const TString& name, const Double_t value);
77 
78  protected:
80 
83  virtual void setAlpha(Double_t alpha) {alpha_ = alpha;}
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86 
89  virtual Double_t getAlpha() {return alpha_;}
90 
92  virtual LauComplex resAmp(Double_t mass, Double_t spinTerm);
93 
94  private:
96  Double_t alpha_;
97 
100 
101  ClassDef(LauBelleSymNR,0) // Belle Non-resonant model
102 
103 };
104 
105 #endif
virtual void setAlpha(Double_t alpha)
Set the parameter alpha, the effective range.
Class that defines the particular 3-body decay under study.
Definition: LauDaughters.hh:33
virtual LauComplex resAmp(Double_t mass, Double_t spinTerm)
This is not called, amplitude is used directly instead.
virtual ~LauBelleSymNR()
Destructor.
virtual LauAbsResonance::LauResonanceModel getResonanceModel() const
Get the resonance model type.
File containing declaration of LauComplex class.
virtual Double_t getAlpha()
Get the effective range parameter.
virtual LauComplex amplitude(const LauKinematics *kinematics)
Get the complex dynamical amplitude.
LauResonanceModel
Define the allowed resonance types.
Class for defining the symmetric Belle Non Resonant model.
Abstract class for defining type for resonance amplitude models (Breit-Wigner, Flatte etc...
File containing declaration of LauAbsResonance class.
LauBelleSymNR(const TString &resName, const LauAbsResonance::LauResonanceModel resType, const Double_t resMass, const Double_t resWidth, const Int_t resSpin, const Int_t resCharge, const Int_t resPairAmpInt, const LauDaughters *daughters)
Constructor.
Class for defining a complex number.
Definition: LauComplex.hh:47
Class for calculating 3-body kinematic quantities.
virtual void initialise()
Initialise.
LauAbsResonance::LauResonanceModel model_
The model to use.
Double_t alpha_
Define the range parameter.
virtual void setResonanceParameter(const TString &name, const Double_t value)
Set value of the various parameters.