[u/mrichter/AliRoot.git] / TEvtGen / EvtGenModels / EvtTauHadnu.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/EvtTauHadnu.hh
//
// Description:
//
// Modification history:
//
//  Lange Oct 26, 2002 Created
//
//------------------------------------------------------------------------

#ifndef EVTTAUHADNUKS_HH
#define EVTTAUHADNUKS_HH

#include "EvtGenBase/EvtDecayAmp.hh"

class EvtParticle;

class EvtTauHadnu : public  EvtDecayAmp  {

public:
  
  EvtTauHadnu() {}
  virtual ~EvtTauHadnu();

  std::string getName();
  EvtDecayBase* clone();

  void initProbMax();
  void init();
  void decay(EvtParticle *p); 

private:
  double _beta;
  double  _mRho;
  double  _gammaRho;
  double  _mRhopr;
  double  _gammaRhopr;
  double _mA1;
  double _gammaA1;

  double gFunc(double m2,int dupD);
  EvtComplex Fpi( double s, double xm1, double xm2 );
  EvtComplex BW( double s, double m, double gamma, double xm1, double xm2 );
  
};

#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/EvtTauHadnu.hh
	12	//
	13	// Description:
	14	//
	15	// Modification history:
	16	//
	17	// Lange Oct 26, 2002 Created
	18	//
	19	//------------------------------------------------------------------------
	20
	21	#ifndef EVTTAUHADNUKS_HH
	22	#define EVTTAUHADNUKS_HH
	23
	24	#include "EvtGenBase/EvtDecayAmp.hh"
	25
	26	class EvtParticle;
	27
	28	class EvtTauHadnu : public EvtDecayAmp {
	29
	30	public:
	31
	32	EvtTauHadnu() {}
	33	virtual ~EvtTauHadnu();
	34
	35	std::string getName();
	36	EvtDecayBase* clone();
	37
	38	void initProbMax();
	39	void init();
	40	void decay(EvtParticle *p);
	41
	42	private:
	43	double _beta;
	44	double _mRho;
	45	double _gammaRho;
	46	double _mRhopr;
	47	double _gammaRhopr;
	48	double _mA1;
	49	double _gammaA1;
	50
	51	double gFunc(double m2,int dupD);
	52	EvtComplex Fpi( double s, double xm1, double xm2 );
	53	EvtComplex BW( double s, double m, double gamma, double xm1, double xm2 );
	54
	55	};
	56
	57	#endif