[u/mrichter/AliRoot.git] / TEvtGen / AliDecayerEvtGen.h

#ifndef ALIDECAYEREVTGEN_H
#define ALIDECAYEREVTGEN_H
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */
///////////////////////////////////////////////////////////////////////////
//  Implementation of AliDecayer using EvtGen package. It inherits       //
//  from AliDecayer.                                                     //
//                                                                       //
//  Contact: Giuseppe.Bruno@ba.infn.it  &  Fiorella.Fionda@ba.infn.it    //
///////////////////////////////////////////////////////////////////////////


#include "AliDecayer.h"

class EvtGen;
class EvtRandomEngine;
class EvtStdHep;
class TLorentzVector;
class TClonesArray;

class AliDecayerEvtGen : public AliDecayer
{
 public:
  AliDecayerEvtGen();
  AliDecayerEvtGen(const AliDecayerEvtGen &decayer);
  virtual ~AliDecayerEvtGen();
  virtual void  Init();
  virtual void  Decay(Int_t ipart, TLorentzVector *p);
  virtual Int_t ImportParticles(TClonesArray *particles);
  virtual void    SetForceDecay(Decay_t decay) {fDecay=decay;}
  virtual void    SetForceDecay(Int_t decay){SetForceDecay((Decay_t) decay);}
  virtual void    ForceDecay();
  virtual Float_t GetPartialBranchingRatio(Int_t ipart);
  virtual Float_t GetLifetime(Int_t kf);
  Char_t*           GetDecayTablePath() {return fDecayTablePath;} 
  virtual void    ReadDecayTable();
  Bool_t SetDecayTablePath(Char_t *path);
   
  private:
  void  Copy(TObject &decayer) const;
  AliDecayerEvtGen &operator=(const AliDecayerEvtGen &decayer) 
      {decayer.Copy(*this);return(*this);}

  protected:
  EvtRandomEngine *fRandomEngine;  //!pointer to EvtRandomEngine to generate random number   
  EvtGen *fGenerator;              //!pointer to EvtGen class interface 
  EvtStdHep *fEvtstdhep;           //!pointer to EvtGen common block
  Char_t *fDecayTablePath;         //!pointer to decay table path
  Char_t *fParticleTablePath;      //!pointer to particle table path
  Decay_t     fDecay;  	           // Forced decay case		

  ClassDef(AliDecayerEvtGen,0)  //AliDecayer implementation using EvtGen 
};

//converts from mm/c to s
const Double_t kconv=0.001/2.999792458e8;

#endif
Commit	Line	Data
	1	#ifndef ALIDECAYEREVTGEN_H
	2	#define ALIDECAYEREVTGEN_H
	3	/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	4	* See cxx source for full Copyright notice */
	5	///////////////////////////////////////////////////////////////////////////
	6	// Implementation of AliDecayer using EvtGen package. It inherits //
	7	// from AliDecayer. //
	8	// //
	9	// Contact: Giuseppe.Bruno@ba.infn.it & Fiorella.Fionda@ba.infn.it //
	10	///////////////////////////////////////////////////////////////////////////
	11
	12
	13	#include "AliDecayer.h"
	14
	15	class EvtGen;
	16	class EvtRandomEngine;
	17	class EvtStdHep;
	18	class TLorentzVector;
	19	class TClonesArray;
	20
	21	class AliDecayerEvtGen : public AliDecayer
	22	{
	23	public:
	24	AliDecayerEvtGen();
	25	AliDecayerEvtGen(const AliDecayerEvtGen &decayer);
	26	virtual ~AliDecayerEvtGen();
	27	virtual void Init();
	28	virtual void Decay(Int_t ipart, TLorentzVector *p);
	29	virtual Int_t ImportParticles(TClonesArray *particles);
	30	virtual void SetForceDecay(Decay_t decay) {fDecay=decay;}
	31	virtual void SetForceDecay(Int_t decay){SetForceDecay((Decay_t) decay);}
	32	virtual void ForceDecay();
	33	virtual Float_t GetPartialBranchingRatio(Int_t ipart);
	34	virtual Float_t GetLifetime(Int_t kf);
	35	Char_t* GetDecayTablePath() {return fDecayTablePath;}
	36	virtual void ReadDecayTable();
	37	Bool_t SetDecayTablePath(Char_t *path);
	38
	39	private:
	40	void Copy(TObject &decayer) const;
	41	AliDecayerEvtGen &operator=(const AliDecayerEvtGen &decayer)
	42	{decayer.Copy(this);return(this);}
	43
	44	protected:
	45	EvtRandomEngine *fRandomEngine; //!pointer to EvtRandomEngine to generate random number
	46	EvtGen *fGenerator; //!pointer to EvtGen class interface
	47	EvtStdHep *fEvtstdhep; //!pointer to EvtGen common block
	48	Char_t *fDecayTablePath; //!pointer to decay table path
	49	Char_t *fParticleTablePath; //!pointer to particle table path
	50	Decay_t fDecay; // Forced decay case
	51
	52	ClassDef(AliDecayerEvtGen,0) //AliDecayer implementation using EvtGen
	53	};
	54
	55	//converts from mm/c to s
	56	const Double_t kconv=0.001/2.999792458e8;
	57
	58	#endif
	59
	60