[u/mrichter/AliRoot.git] / EVGEN / AliGenHIJINGpara.h

#ifndef ALIGENHIJINGPARA_H
#define ALIGENHIJINGPARA_H
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

/* $Id$ */

// Parameterisation of pi and K, eta and pt distributions
// used for the ALICE TDRs.
// Author: andreas.morsch@cern.ch

#include "AliGenerator.h"
class TF1;
class AliDecayerPythia;

class AliGenHIJINGpara : public AliGenerator
{
 public:

  AliGenHIJINGpara();
  AliGenHIJINGpara(Int_t npart);
  AliGenHIJINGpara(const AliGenHIJINGpara &HIJINGpara);
     
  virtual ~AliGenHIJINGpara();
  virtual void SetCutVertexZ(Float_t cut=999999.) {fCutVertexZ = cut;}
  virtual void Generate();
  virtual void Init();
  AliGenHIJINGpara & operator=(const AliGenHIJINGpara & rhs);
  virtual void SetPtRange(Float_t ptmin = 0., Float_t ptmax=15.);
  virtual void SetPi0Decays(Bool_t flag = kFALSE) {fPi0Decays = flag;}
 private:
  void DecayPi0(Float_t* orig, Float_t * p);
 protected:
  Int_t   fNt;         // CurrentTrack;
  Float_t fCutVertexZ; // Vertex truncation
  Bool_t  fPi0Decays;  // Flag for pi0 decays
  TF1* fPtpi;          // Parametrised pt distribution for pi
  TF1* fPtka;          // Parametrised pt distribution for ka
  TF1* fETApic;        // Parametrised eta distribution for pi
  TF1* fETAkac;        // Parametrised eta distribution fro ka
  AliDecayerPythia  *fDecayer; // ! Pointer to pythia object for decays
  ClassDef(AliGenHIJINGpara,3) // Hijing parametrisation generator
};
#endif
Commit	Line	Data
790bbabf	1	#ifndef ALIGENHIJINGPARA_H
	2	#define ALIGENHIJINGPARA_H
	3	/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	4	* See cxx source for full Copyright notice */
	5
	6	/* $Id$ */
	7
675e9664	8	// Parameterisation of pi and K, eta and pt distributions
	9	// used for the ALICE TDRs.
	10	// Author: andreas.morsch@cern.ch
	11
790bbabf	12	#include "AliGenerator.h"
65fb704d	13	class TF1;
2067f62c	14	class AliDecayerPythia;
790bbabf	15
	16	class AliGenHIJINGpara : public AliGenerator
	17	{
	18	public:
	19
	20	AliGenHIJINGpara();
	21	AliGenHIJINGpara(Int_t npart);
	22	AliGenHIJINGpara(const AliGenHIJINGpara &HIJINGpara);
	23
	24	virtual ~AliGenHIJINGpara();
971816d4	25	virtual void SetCutVertexZ(Float_t cut=999999.) {fCutVertexZ = cut;}
790bbabf	26	virtual void Generate();
	27	virtual void Init();
	28	AliGenHIJINGpara & operator=(const AliGenHIJINGpara & rhs);
2067f62c	29	virtual void SetPtRange(Float_t ptmin = 0., Float_t ptmax=15.);
	30	virtual void SetPi0Decays(Bool_t flag = kFALSE) {fPi0Decays = flag;}
	31	private:
	32	void DecayPi0(Float_t* orig, Float_t * p);
790bbabf	33	protected:
1e66857c	34	Int_t fNt; // CurrentTrack;
971816d4	35	Float_t fCutVertexZ; // Vertex truncation
2067f62c	36	Bool_t fPi0Decays; // Flag for pi0 decays
971816d4	37	TF1* fPtpi; // Parametrised pt distribution for pi
	38	TF1* fPtka; // Parametrised pt distribution for ka
	39	TF1* fETApic; // Parametrised eta distribution for pi
	40	TF1* fETAkac; // Parametrised eta distribution fro ka
2067f62c	41	AliDecayerPythia *fDecayer; // ! Pointer to pythia object for decays
14f9f6b4	42	ClassDef(AliGenHIJINGpara,3) // Hijing parametrisation generator
790bbabf	43	};
	44	#endif
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