EvtDsToEtapipi0.hh

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#ifndef EVTDSTOETAPIPI0_HH 
#define EVTDSTOETAPIPI0_HH
 
#include "EvtGenBase/EvtDecayProb.hh"
#include "TComplex.h"
 
class EvtParticle;
 
class EvtDsToEtapipi0:public  EvtDecayProb  {
 
public:
   EvtDsToEtapipi0() {}
   virtual ~EvtDsToEtapipi0();
 
   void getName(std::string& name);
   EvtDecayBase* clone();
 
   void init();
   void initProbMax();
   void decay(EvtParticle *p);
 
private:
   Double_t calDalEva(Double_t P1[], Double_t P2[], Double_t P3[]);
   TComplex Spin_factor(Double_t P1[], Double_t P2[], Double_t P3[], Int_t spin, Int_t flag);
   void Com_Multi(double a1[2], double a2[2], double res[2]);
   void Com_Divide(double a1[2], double a2[2], double res[2]);
   double SCADot(double a1[4], double a2[4]);
   double barrierNeo(int l, double sa, double sb, double sc, double r, double mR);
   void calt1(double daug1[4], double daug2[4], double t1[4]);
   void calt2(double daug1[4], double daug2[4], double t2[4][4]);
   double wid(double mass, double sa, double sb, double sc, double r, int l);
   void  Flatte_rhoab(double sa, double sb, double sc, double rho[2]);
   TComplex Flatte_rhoab(Double_t sa, Double_t sb, Double_t sc);
   TComplex propagatorRBW(Double_t mass, Double_t width, Double_t sa, Double_t sb, Double_t sc, Double_t r, Int_t l);
 
   double mass[4];
   double width[4];
   double rho[24];
   double phi[24];
   double mD;
   double mDs;
   double rRes;
   double rD;
   double metap;
   double mkstr;
   double mk0;
   double mass_Kaon;
   double mass_Pion;
   double mass_Pi0;
   double math_pi;
   double mrho;
   double Grho;
   double ma0;
   double Ga0;
   double meta;
   int G[4][4];
};
 
#endif