[u/mrichter/AliRoot.git] / PYTHIA6 / AliPythia.h

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

/* $Id$ */

#include <TPythia6.h>
#include <AliRndm.h>
#include <AliStructFuncType.h>
typedef enum
{kPyCharm, kPyBeauty, kPyCharmUnforced, kPyBeautyUnforced,
 kPyJpsi, kPyJpsiChi, kPyMb, kPyMbNonDiffr, kPyJets, kPyDirectGamma,
 kPyCharmPbMNR, kPyD0PbMNR, kPyBeautyPbMNR}
Process_t;
/*
typedef enum
{
    kDOSet1     = 1006,
    kGRVLO      = 5005,
    kGRVHO      = 5006,
    kMRSDminus  = 3031,
    kMRSD0      = 3030,
    kMRSG       = 3041,
    kCTEQ2pM    = 4024,
    kCTEQ4L     = 4032,
    kCTEQ4M     = 4034,
    kMRSTcgLO   = 3072,
    kCTEQ5L     = 4046,
    kGRVLO98    = 5012
}
StrucFunc_t;
*/
class AliPythia : public TPythia6, public AliRndm
{

 public:
    virtual ~AliPythia(){;}
    // convert to compressed code and print result (for debugging only)
    virtual Int_t CheckedLuComp(Int_t kf);
    // Pythia initialisation for selected processes
    virtual void ProcInit
	(Process_t process, Float_t energy, StrucFunc_t strucfunc);
    // treat protons as inside nuclei
    virtual void  SetNuclei(Int_t a1, Int_t a2);
    // Print particle properties
    virtual void PrintParticles();
    virtual void ResetDecayTable();
    virtual void SetDecayTable();
    virtual void Pycell(Int_t& nclus);
    virtual void Pyclus(Int_t& nclus);
    // return instance of the singleton
    static  AliPythia* Instance();

 protected:
    Process_t     fProcess;           // Process type
    Float_t       fEcms;              // Centre of mass energy
    StrucFunc_t   fStrucFunc;         // Structure function
    Int_t         fDefMDCY[501];      //  ! Default decay switches per particle
    Int_t         fDefMDME[2001];     //  ! Default decay switches per mode
    static AliPythia*    fgAliPythia; // Pointer to single instance
 private: 
    AliPythia();

    ClassDef(AliPythia,1) //ALICE UI to PYTHIA
};

#endif
Commit	Line	Data
8d2cd130	1	#ifndef ALIPYTHIA_H
	2	#define ALIPYTHIA_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
	8	#include <TPythia6.h>
	9	#include <AliRndm.h>
	10	#include <AliStructFuncType.h>
	11	typedef enum
	12	{kPyCharm, kPyBeauty, kPyCharmUnforced, kPyBeautyUnforced,
	13	kPyJpsi, kPyJpsiChi, kPyMb, kPyMbNonDiffr, kPyJets, kPyDirectGamma,
	14	kPyCharmPbMNR, kPyD0PbMNR, kPyBeautyPbMNR}
	15	Process_t;
	16	/*
	17	typedef enum
	18	{
	19	kDOSet1 = 1006,
	20	kGRVLO = 5005,
	21	kGRVHO = 5006,
	22	kMRSDminus = 3031,
	23	kMRSD0 = 3030,
	24	kMRSG = 3041,
	25	kCTEQ2pM = 4024,
	26	kCTEQ4L = 4032,
	27	kCTEQ4M = 4034,
	28	kMRSTcgLO = 3072,
	29	kCTEQ5L = 4046,
	30	kGRVLO98 = 5012
	31	}
	32	StrucFunc_t;
	33	*/
	34	class AliPythia : public TPythia6, public AliRndm
	35	{
	36
	37	public:
	38	virtual ~AliPythia(){;}
	39	// convert to compressed code and print result (for debugging only)
	40	virtual Int_t CheckedLuComp(Int_t kf);
	41	// Pythia initialisation for selected processes
	42	virtual void ProcInit
	43	(Process_t process, Float_t energy, StrucFunc_t strucfunc);
	44	// treat protons as inside nuclei
	45	virtual void SetNuclei(Int_t a1, Int_t a2);
	46	// Print particle properties
	47	virtual void PrintParticles();
	48	virtual void ResetDecayTable();
	49	virtual void SetDecayTable();
	50	virtual void Pycell(Int_t& nclus);
	51	virtual void Pyclus(Int_t& nclus);
	52	// return instance of the singleton
	53	static AliPythia* Instance();
	54
	55	protected:
	56	Process_t fProcess; // Process type
	57	Float_t fEcms; // Centre of mass energy
	58	StrucFunc_t fStrucFunc; // Structure function
	59	Int_t fDefMDCY[501]; // ! Default decay switches per particle
	60	Int_t fDefMDME[2001]; // ! Default decay switches per mode
	61	static AliPythia* fgAliPythia; // Pointer to single instance
	62	private:
	63	AliPythia();
	64
65	ClassDef(AliPythia,1) //ALICE UI to PYTHIA
66	};
67
68	#endif
69
70
71