[u/mrichter/AliRoot.git] / TEvtGen / EvtGenModels / EvtISGW2FF.hh

//--------------------------------------------------------------------------
//
// Environment:
//      This software is part of the EvtGen package developed jointly
//      for the BaBar and CLEO collaborations.  If you use all or part
//      of it, please give an appropriate acknowledgement.
//
// Copyright Information: See EvtGen/COPYRIGHT
//      Copyright (C) 1998      Caltech, UCSB
//
// Module: EvtGen/EvtISGW2FF.hh
//
// Description:Form factor routines specific to EvtISGW2
//
// Modification history:
//
//    DJL/RYD     August 11, 1998         Module created
//
//------------------------------------------------------------------------

#ifndef EVTISGW2FF_HH
#define EVTISGW2FF_HH

#include "EvtGenBase/EvtSemiLeptonicFF.hh"

class EvtId;

class EvtISGW2FF : public EvtSemiLeptonicFF {

public:

  void getscalarff( EvtId parent, EvtId daught,
                       double t, double mass, double *fpf,
                       double *f0f );
  void getvectorff( EvtId parent, EvtId daught,
                       double t, double mass, double *a1f,
                       double *a2f, double *vf, double *a0f );
  void gettensorff( EvtId parent, EvtId daught,
                       double t, double mass, double *hf,
                       double *kf, double *bpf, double *bmf );

  void getbaryonff(EvtId, EvtId, double, double, double*, 
		   double*, double*, double*);


private:

    // getscalarff, getvectorff, and gettensorff call the
    // correct isgw2 form factor routine which computes 
    // form factors according to the ISGW2 paper.


  void EvtISGW2FF3S1( EvtId parent, EvtId daught, 
                       double t, double mass, double *ff, double *gf,
                       double *apf, double *amf);
  void EvtISGW2FF23S1( EvtId parent, EvtId daught,
                        double t, double mass,double *fpf, double *gpf,
                        double *app, double *apm);
  void EvtISGW2FF3P1( EvtId parent, EvtId daught, 
                       double t, double mass,double *lf, double *qf,
                       double *cpf, double *cmf);
  void EvtISGW2FF3P0( EvtId parent, EvtId daught, 
                       double t, double mass, double *upf, double *umf);
  void EvtISGW2FF1S0( EvtId parent, EvtId daught, 
		       double t, double mass,double *fpf, double *fmf);
  void EvtISGW2FF21S0( EvtId parent, EvtId daught,
                        double t, double mass, double *fppf, double *fpmf);
  void EvtISGW2FF3P2( EvtId parent, EvtId daught, 
                       double t, double mass, double *h, double *k,
                       double *bp, double *bm);
  void EvtISGW2FF1P1( EvtId parent, EvtId daught, 
                       double t, double mass, double *rf, double *vf,
                       double *spf, double *smf);

  double EvtGetas( double mass );
  double EvtGetas( double mass,double mass1  );
  double EvtGetGammaji( double z );

};

#endif
Commit	Line	Data
da0e9ce3	1	//--------------------------------------------------------------------------
	2	//
	3	// Environment:
	4	// This software is part of the EvtGen package developed jointly
	5	// for the BaBar and CLEO collaborations. If you use all or part
	6	// of it, please give an appropriate acknowledgement.
	7	//
	8	// Copyright Information: See EvtGen/COPYRIGHT
	9	// Copyright (C) 1998 Caltech, UCSB
	10	//
	11	// Module: EvtGen/EvtISGW2FF.hh
	12	//
	13	// Description:Form factor routines specific to EvtISGW2
	14	//
	15	// Modification history:
	16	//
	17	// DJL/RYD August 11, 1998 Module created
	18	//
	19	//------------------------------------------------------------------------
	20
	21	#ifndef EVTISGW2FF_HH
	22	#define EVTISGW2FF_HH
	23
	24	#include "EvtGenBase/EvtSemiLeptonicFF.hh"
	25
	26	class EvtId;
	27
	28	class EvtISGW2FF : public EvtSemiLeptonicFF {
	29
	30	public:
	31
	32	void getscalarff( EvtId parent, EvtId daught,
	33	double t, double mass, double *fpf,
	34	double *f0f );
	35	void getvectorff( EvtId parent, EvtId daught,
	36	double t, double mass, double *a1f,
	37	double a2f, double vf, double *a0f );
	38	void gettensorff( EvtId parent, EvtId daught,
	39	double t, double mass, double *hf,
	40	double kf, double bpf, double *bmf );
	41
	42	void getbaryonff(EvtId, EvtId, double, double, double*,
	43	double, double, double*);
	44
	45
	46	private:
	47
	48	// getscalarff, getvectorff, and gettensorff call the
	49	// correct isgw2 form factor routine which computes
	50	// form factors according to the ISGW2 paper.
	51
	52
	53	void EvtISGW2FF3S1( EvtId parent, EvtId daught,
	54	double t, double mass, double ff, double gf,
	55	double apf, double amf);
	56	void EvtISGW2FF23S1( EvtId parent, EvtId daught,
	57	double t, double mass,double fpf, double gpf,
	58	double app, double apm);
	59	void EvtISGW2FF3P1( EvtId parent, EvtId daught,
	60	double t, double mass,double lf, double qf,
	61	double cpf, double cmf);
	62	void EvtISGW2FF3P0( EvtId parent, EvtId daught,
	63	double t, double mass, double upf, double umf);
	64	void EvtISGW2FF1S0( EvtId parent, EvtId daught,
65	double t, double mass,double fpf, double fmf);
66	void EvtISGW2FF21S0( EvtId parent, EvtId daught,
67	double t, double mass, double fppf, double fpmf);
68	void EvtISGW2FF3P2( EvtId parent, EvtId daught,
69	double t, double mass, double h, double k,
70	double bp, double bm);
71	void EvtISGW2FF1P1( EvtId parent, EvtId daught,
72	double t, double mass, double rf, double vf,
73	double spf, double smf);
74
75	double EvtGetas( double mass );
76	double EvtGetas( double mass,double mass1 );
77	double EvtGetGammaji( double z );
78
79	};
80
81	#endif
82
83