EvtDsToEtappipi0.hh

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#ifndef EVTDSTOETAPPIPI0_HH
#define EVTDSTOETAPPIPI0_HH
 
#include "../EvtGenBase/EvtDecayProb.hh"
#include "TComplex.h"
 
class EvtParticle;
 
class EvtDsToEtappipi0 : public EvtDecayProb {
 
public:
  EvtDsToEtappipi0() {}
  virtual ~EvtDsToEtappipi0();
 
  void          getName( std::string& name );
  EvtDecayBase* clone();
 
  void init();
  void initProbMax();
  void decay( EvtParticle* p );
 
private:
  void Com_Multi( double a1[2], double a2[2], double res[2] );
  void Com_Divide( double a1[2], double a2[2], double res[2] );
  void calt1( double daug1[4], double daug2[4], double t1[4] );
  void calt2( double daug1[4], double daug2[4], double t2[4][4] );
  void propagatorRBW( double mass2, double mass, double width, double sa, double sb, double sc,
                      double r2, int l, double prop[2] );
  void propagatorGS( double mass2, double mass, double width, double sa, double sb, double sc,
                     double r2, double prop[2] );
  void PiPiSWASS( double sa, double sb, double sc, double prop[2] );
  void Flatte_rhoab( double sa, double sb, double rho[2] );
  void propagator980( double mass, double sx, double* sb, double prop[2] );
  void calEva( double* Pic, double* Pi01, double* Pi02, double* mass1, double* width1,
               double* amp, double* phase, int* g0, int* spin, int* modetype, int nstates,
               double& Result );
  double SCADot( double a1[4], double a2[4] );
  double barrier( int l, double sa, double sb, double sc, double r, double mass );
  double wid( double mass2, double mass, double sa, double sb, double sc, double r2, int l );
  double widl1( double mass2, double mass, double sa, double sb, double sc, double r2 );
  double DDalitz( double P1[4], double P2[4], double P3[4], int Ang, double mass );
 
  int    modetype[6];
  double mass[6];
  double width[6];
  double rho[6];
  double phi[6];
  double spin[6];
 
  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 meta;
  double ma0;
  double Ga0;
  double GS1;
  double GS2;
  double GS3;
  double GS4;
  int    G[4][4];
};
 
#endif