LauNRAmplitude.hh

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// Copyright University of Warwick 2004 - 2014.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

// Authors:
// Thomas Latham
// John Back
// Paul Harrison

#ifndef LAU_NR_AMPLITUDE
#define LAU_NR_AMPLITUDE

#include "TString.h"

#include "LauAbsResonance.hh"
#include "LauComplex.hh"

class LauKinematics;


class LauNRAmplitude : public LauAbsResonance {

        public:

                LauNRAmplitude(LauResonanceInfo* resInfo, const Int_t resPairAmpInt, const LauDaughters* daughters);

                virtual ~LauNRAmplitude();

                virtual void initialise();


                virtual LauComplex amplitude(const LauKinematics* kinematics);


                virtual LauAbsResonance::LauResonanceModel getResonanceModel() const {return LauAbsResonance::NRModel;}


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


                virtual void floatResonanceParameter(const TString& name);


                virtual LauParameter* getResonanceParameter(const TString& name);


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

        protected:
                virtual LauComplex resAmp(Double_t mass, Double_t spinTerm);


                Double_t f(const Double_t s, const Double_t c, const Double_t p) const;


                void setdParameter(const Double_t d);


                void setc1Parameter(const Double_t c1);


                void setc2Parameter(const Double_t c2);


                void setp1Parameter(const Double_t p1);


                void setp2Parameter(const Double_t p2);


                Double_t getdParameter() const {return (d_!=0) ? d_->value() : 0.0;}


                Double_t getc1Parameter() const {return (c1_!=0) ? c1_->value() : 0.0;}


                Double_t getc2Parameter() const {return (c2_!=0) ? c2_->value() : 0.0;}


                Double_t getp1Parameter() const {return (p1_!=0) ? p1_->value() : 0.0;}


                Double_t getp2Parameter() const {return (p2_!=0) ? p2_->value() : 0.0;}


                Bool_t fixdParameter() const {return (d_!=0) ? d_->fixed() : kTRUE;}


                Bool_t fixc1Parameter() const {return (c1_!=0) ? c1_->fixed() : kTRUE;}


                Bool_t fixc2Parameter() const {return (c2_!=0) ? c2_->fixed() : kTRUE;}


                Bool_t fixp1Parameter() const {return (p1_!=0) ? p1_->fixed() : kTRUE;}


                Bool_t fixp2Parameter() const {return (p2_!=0) ? p2_->fixed() : kTRUE;}

        private:
                LauNRAmplitude(const LauNRAmplitude& rhs);

                LauNRAmplitude& operator=(const LauNRAmplitude& rhs);

                LauParameter* d_; 
                LauParameter* c1_; 
                LauParameter* c2_; 
                LauParameter* p1_; 
                LauParameter* p2_;

                ClassDef(LauNRAmplitude,0) // Non-resonant amplitude model
};

#endif