LauFlatteRes.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_FLATTE_RES
#define LAU_FLATTE_RES

#include "TString.h"

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


class LauFlatteRes : public LauAbsResonance {

        public:

                LauFlatteRes(LauResonanceInfo* resInfo, const Int_t resPairAmpInt, const LauDaughters* daughters);
                
                virtual ~LauFlatteRes();

                virtual void initialise();


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


                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:

                void setg1Parameter(const Double_t g1);


                void setg2Parameter(const Double_t g2);


                Double_t getg1Parameter() const {return (g1_!=0) ? g1_->unblindValue() : 0.0;}


                Double_t getg2Parameter() const {return (g2_!=0) ? g2_->unblindValue() : 0.0;}


                Double_t fixg1Parameter() const {return (g1_!=0) ? g1_->fixed() : kTRUE;}


                Double_t fixg2Parameter() const {return (g2_!=0) ? g2_->fixed() : kTRUE;}


                virtual LauComplex resAmp(Double_t mass, Double_t spinTerm);

        private:
                LauFlatteRes(const LauFlatteRes& rhs);

                LauFlatteRes& operator=(const LauFlatteRes& rhs);

                LauParameter* g1_; 
                LauParameter* g2_;

                Double_t mSumSq0_; 
                Double_t mSumSq1_; 
                Double_t mSumSq2_; 
                Double_t mSumSq3_;

                Bool_t useAdlerTerm_;

                Double_t sA_;

                ClassDef(LauFlatteRes,0)
};

#endif