[u/mrichter/AliRoot.git] / TPHIC / AliGenTPHIC.h

#ifndef ALIGENTPHIC_H
#define ALIGENTPHIC_H
/* Copyright(c) 1998-2003, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

/* $Id$ */
// Event generator of two-photon processes
// in ultra-peripheral ion collisions
// Author: Yuri.Kharlov@cern.ch
// 15 April 2003

#include "AliGenMC.h"
class TPHICgen;
class AliPythia;

//-------------------------------------------------------------
class AliGenTPHIC : public AliGenMC
{
public:
  AliGenTPHIC();
  virtual ~AliGenTPHIC();
  void Generate();
  void Init();
  void SetDebug(Int_t debug) {fDebug=debug;}
  void SetEventListRange(Int_t eventFirst=-1, Int_t eventLast=-1);

  // Setters for TPHIC initial parameters

  void SetProcess     (Int_t   proc  =2    );
  void SetBeamEnergy  (Float_t energy=3500.);
  void SetBeamZ       (Int_t   z     =20   );
  void SetBeamA       (Int_t   a     =40   );
  void SetYggRange    (Float_t ymin  =-7., Float_t ymax=7.);
  void SetMggRange    (Float_t mmin  = 2., Float_t mmax=20.);
  void SetNgridY      (Int_t   ny    = 20  );
  void SetNgridM      (Int_t   nm    =100  );
  void SetLumFunName  (TString name  ="lum_ca_2_20.dat"  );
  void SetLumFunFlag  (Int_t   flag  =-1   );
  void SetKfFermion   (Int_t   kf    = 13  );
  void SetKfOnium     (Int_t   kf    =441  );
  void SetMassOnium   (Float_t mass        );
  void SetGGwidthOnium(Float_t width       );
  void SetKfVmesons   (Int_t kf=113, Int_t kf2=113);

  // Getters of TPHIC output parameters

  Float_t GetGGmass              ();
  Float_t GetGGrapidity          ();
  Float_t GetG1mass              ();
  Float_t GetG2mass              ();
  TClonesArray*  GetParticleList ();
  TLorentzVector MomentumRecNucl1();
  TLorentzVector MomentumRecNucl2();
  Float_t GetXSectionCurrent     ();
  Float_t GetXSection            ();
  Float_t GetXSectionError       ();
 protected:
  TPHICgen     *fTPHICgen;          //!generator TPHIC17
  AliPythia    *fPythia;            //!generator PYTHIA6
  TClonesArray *fParticles;         // Particle  List
  Int_t         fEvent;             //!internal event number
  Int_t         fDebug;             //!debug level
  Int_t         fDebugEventFirst;   //!First event to debug
  Int_t         fDebugEventLast;    //!Last  event to debug

 private:
  AliGenTPHIC(const AliGenTPHIC & gen);
  AliGenTPHIC & operator=(const AliGenTPHIC & gen);

  ClassDef(AliGenTPHIC,1)     // Generator of 2-photon processes in ultra-peripheral collisions
};
#endif
Commit	Line	Data
0b5dd071	1	#ifndef ALIGENTPHIC_H
	2	#define ALIGENTPHIC_H
	3	/* Copyright(c) 1998-2003, ALICE Experiment at CERN, All rights reserved. *
	4	* See cxx source for full Copyright notice */
	5
	6	/* $Id$ */
	7	// Event generator of two-photon processes
	8	// in ultra-peripheral ion collisions
	9	// Author: Yuri.Kharlov@cern.ch
	10	// 15 April 2003
	11
	12	#include "AliGenMC.h"
	13	class TPHICgen;
	14	class AliPythia;
	15
	16	//-------------------------------------------------------------
	17	class AliGenTPHIC : public AliGenMC
	18	{
	19	public:
	20	AliGenTPHIC();
0b5dd071	21	virtual ~AliGenTPHIC();
	22	void Generate();
	23	void Init();
	24	void SetDebug(Int_t debug) {fDebug=debug;}
	25	void SetEventListRange(Int_t eventFirst=-1, Int_t eventLast=-1);
	26
	27	// Setters for TPHIC initial parameters
	28
	29	void SetProcess (Int_t proc =2 );
	30	void SetBeamEnergy (Float_t energy=3500.);
	31	void SetBeamZ (Int_t z =20 );
	32	void SetBeamA (Int_t a =40 );
	33	void SetYggRange (Float_t ymin =-7., Float_t ymax=7.);
	34	void SetMggRange (Float_t mmin = 2., Float_t mmax=20.);
	35	void SetNgridY (Int_t ny = 20 );
	36	void SetNgridM (Int_t nm =100 );
	37	void SetLumFunName (TString name ="lum_ca_2_20.dat" );
	38	void SetLumFunFlag (Int_t flag =-1 );
	39	void SetKfFermion (Int_t kf = 13 );
	40	void SetKfOnium (Int_t kf =441 );
	41	void SetMassOnium (Float_t mass );
	42	void SetGGwidthOnium(Float_t width );
	43	void SetKfVmesons (Int_t kf=113, Int_t kf2=113);
	44
	45	// Getters of TPHIC output parameters
	46
	47	Float_t GetGGmass ();
	48	Float_t GetGGrapidity ();
	49	Float_t GetG1mass ();
	50	Float_t GetG2mass ();
	51	TClonesArray* GetParticleList ();
	52	TLorentzVector MomentumRecNucl1();
	53	TLorentzVector MomentumRecNucl2();
	54	Float_t GetXSectionCurrent ();
	55	Float_t GetXSection ();
	56	Float_t GetXSectionError ();
a06bb94f	57	protected:
0b5dd071	58	TPHICgen *fTPHICgen; //!generator TPHIC17
	59	AliPythia *fPythia; //!generator PYTHIA6
	60	TClonesArray *fParticles; // Particle List
	61	Int_t fEvent; //!internal event number
	62	Int_t fDebug; //!debug level
	63	Int_t fDebugEventFirst; //!First event to debug
	64	Int_t fDebugEventLast; //!Last event to debug
93a2041b	65
	66	private:
	67	AliGenTPHIC(const AliGenTPHIC & gen);
	68	AliGenTPHIC & operator=(const AliGenTPHIC & gen);
	69
	70	ClassDef(AliGenTPHIC,1) // Generator of 2-photon processes in ultra-peripheral collisions
0b5dd071	71	};
0b5dd071	72	#endif