[u/mrichter/AliRoot.git] / EVGEN / 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>

typedef enum
{kPyCharm, kPyBeauty, kPyCharmUnforced, kPyBeautyUnforced, kPyJpsi, kPyJpsiChi, kPyMb, kPyJets, kPyDirectGamma}
Process_t;

typedef enum
{
    kDO_Set_1=1006,
    kGRV_LO=5005,
    kGRV_HO=5006,
    kMRS_D_minus=3031,
    kMRS_D0=3030,
    kMRS_G=3041,
    kCTEQ_2pM=4024,
    kCTEQ_4M=4034
}
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();
    // 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[2000];     //  ! 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
f87cfe57	1	#ifndef ALIPYTHIA_H
f87cfe57	2	#define ALIPYTHIA_H
3da30618	3	/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	4	* See cxx source for full Copyright notice */
	5
	6	/* $Id$ */
fe4da5cc	7
95b811fe	8	#include <TPythia6.h>
3356c022	9	#include <AliRndm.h>
f1a48a38	10
	11	typedef enum
	12	{kPyCharm, kPyBeauty, kPyCharmUnforced, kPyBeautyUnforced, kPyJpsi, kPyJpsiChi, kPyMb, kPyJets, kPyDirectGamma}
	13	Process_t;
	14
	15	typedef enum
	16	{
	17	kDO_Set_1=1006,
	18	kGRV_LO=5005,
	19	kGRV_HO=5006,
	20	kMRS_D_minus=3031,
	21	kMRS_D0=3030,
	22	kMRS_G=3041,
	23	kCTEQ_2pM=4024,
	24	kCTEQ_4M=4034
	25	}
	26	StrucFunc_t;
fe4da5cc	27
3356c022	28	class AliPythia : public TPythia6, public AliRndm
fe4da5cc	29	{
f1a48a38	30
fe4da5cc	31	public:
75c6d54e	32	virtual ~AliPythia(){;}
fe4da5cc	33	// convert to compressed code and print result (for debugging only)
f87cfe57	34	virtual Int_t CheckedLuComp(Int_t kf);
fe4da5cc	35	// Pythia initialisation for selected processes
	36	virtual void ProcInit
	37	(Process_t process, Float_t energy, StrucFunc_t strucfunc);
811826d8	38	// treat protons as inside nuclei
811826d8	39	virtual void SetNuclei(Int_t a1, Int_t a2);
14ee1cd0	40	// Print particle properties
	41	virtual void PrintParticles();
	42	virtual void ResetDecayTable();
	43	virtual void SetDecayTable();
811826d8	44	// return instance of the singleton
95b811fe	45	static AliPythia* Instance();
95b811fe	46
f87cfe57	47	protected:
95b811fe	48	Process_t fProcess; // Process type
	49	Float_t fEcms; // Centre of mass energy
	50	StrucFunc_t fStrucFunc; // Structure function
14ee1cd0	51	Int_t fDefMDCY[501]; // ! Default decay switches per particle
14ee1cd0	52	Int_t fDefMDME[2000]; // ! Default decay switches per mode
95b811fe	53	static AliPythia* fgAliPythia; // Pointer to single instance
	54	private:
	55	AliPythia();
f87cfe57	56
3356c022	57	ClassDef(AliPythia,1) //ALICE UI to PYTHIA
fe4da5cc	58	};
	59
	60	#endif
	61
	62
	63