LauBelleSymNR.hh

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// Copyright University of Warwick 2004 - 2013.
// 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_BELLE_SYM_NR
#define LAU_BELLE_SYM_NR

#include "TString.h"

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

class LauKinematics;


class LauBelleSymNR : public LauAbsResonance {

        public:

                LauBelleSymNR(const TString& resName, Double_t resMass, Double_t resWidth,
                                Int_t resSpin, Int_t resCharge, Int_t resPairAmpInt,
                                const LauDaughters* daughters);
                
                virtual ~LauBelleSymNR();

                virtual void initialise() {return;}


                void initialise(Bool_t symmetricalDP, Double_t alpha, const TString& shape);


                virtual LauComplex amplitude(const LauKinematics* kinematics);


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


                virtual void setAlpha(Double_t alpha) {alpha_ = alpha;}


                virtual Double_t getAlpha() {return alpha_;}

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

        private:
                Double_t alpha_;

                Bool_t initialised_;

                Int_t shapeNo_;

                ClassDef(LauBelleSymNR,0) // Belle Non-resonant model

};

#endif