[u/mrichter/AliRoot.git] / TEvtGen / EvtGenModels / EvtPythia.hh

//--------------------------------------------------------------------------
//
// Environment:
//      This software is part of the EvtGen package developed jointly
//      for the BaBar and CLEO collaborations.  If you use all or part
//      of it, please give an appropriate acknowledgement.
//
// Copyright Information: See BelEvtGen/COPYRIGHT
//      Copyright (C) 1998      Caltech, UCSB
//
// Module: BelEvtGen/EvtJetSet.hh
//
// Description:
//
// Modification history:
//
//    DJL/RYD     August 11, 1998         Module created
//    RS          October 28, 2002        copied from JETSET module
//
//------------------------------------------------------------------------

#ifndef EVTPYTHIA_HH
#define EVTPYTHIA_HH

#include "EvtGenBase/EvtDecayIncoherent.hh"
#include "EvtGenBase/EvtParticle.hh"
#include <string>

#include <iosfwd>

typedef EvtDecayBase* EvtDecayBasePtr;

class EvtPythia:public  EvtDecayIncoherent  {

public:

  EvtPythia();
  virtual ~EvtPythia();
  
  std::string getName();
  EvtDecayBase* clone();
  void decay(EvtParticle *p); 
  
  std::string commandName();
  void command(std::string cmd);
  
  void init();
  
  void initProbMax();
  
  //initialize jetset; sets up decay table and
  //paramters. Static so it can be invoked from
  //from EvtJscont.
  static void pythiaInit(int f);
  static void pythiacont(double *,int *, int *,
			 double *,double *,double *,double *);
  
private:
  
  void store(EvtDecayBase* jsdecay);
  void fixPolarizations(EvtParticle* p);
  static void MakePythiaFile(char* fname);
  static void WritePythiaParticle(std::ofstream &outdec,EvtId ipar,EvtId iparname,int &first);
  static void WritePythiaEntryHeader(std::ofstream &outdec, int lundkc,
				     EvtId evtnum,std::string name,
				     int chg, int cchg, int spin2,double mass,
				     double width, double maxwidth,double ctau,
				     int stable,double rawbrfrsum);
  static bool diquark(int);
  static double NominalMass(int);
  static int njetsetdecays;
  static EvtDecayBasePtr* jetsetdecays;
  static int ntable;
  
  static int ncommand;
  static int lcommand;
  static std::string* commands;
};

#endif
Commit	Line	Data
da0e9ce3	1	//--------------------------------------------------------------------------
	2	//
	3	// Environment:
	4	// This software is part of the EvtGen package developed jointly
	5	// for the BaBar and CLEO collaborations. If you use all or part
	6	// of it, please give an appropriate acknowledgement.
	7	//
	8	// Copyright Information: See BelEvtGen/COPYRIGHT
	9	// Copyright (C) 1998 Caltech, UCSB
	10	//
	11	// Module: BelEvtGen/EvtJetSet.hh
	12	//
	13	// Description:
	14	//
	15	// Modification history:
	16	//
	17	// DJL/RYD August 11, 1998 Module created
	18	// RS October 28, 2002 copied from JETSET module
	19	//
	20	//------------------------------------------------------------------------
	21
	22	#ifndef EVTPYTHIA_HH
	23	#define EVTPYTHIA_HH
	24
	25	#include "EvtGenBase/EvtDecayIncoherent.hh"
	26	#include "EvtGenBase/EvtParticle.hh"
	27	#include <string>
	28
	29	#include <iosfwd>
	30
	31	typedef EvtDecayBase* EvtDecayBasePtr;
	32
	33	class EvtPythia:public EvtDecayIncoherent {
	34
	35	public:
	36
	37	EvtPythia();
	38	virtual ~EvtPythia();
	39
	40	std::string getName();
	41	EvtDecayBase* clone();
	42	void decay(EvtParticle *p);
	43
	44	std::string commandName();
	45	void command(std::string cmd);
	46
	47	void init();
	48
	49	void initProbMax();
	50
	51	//initialize jetset; sets up decay table and
	52	//paramters. Static so it can be invoked from
	53	//from EvtJscont.
	54	static void pythiaInit(int f);
	55	static void pythiacont(double ,int , int *,
	56	double ,double ,double ,double );
	57
	58	private:
	59
	60	void store(EvtDecayBase* jsdecay);
	61	void fixPolarizations(EvtParticle* p);
	62	static void MakePythiaFile(char* fname);
	63	static void WritePythiaParticle(std::ofstream &outdec,EvtId ipar,EvtId iparname,int &first);
	64	static void WritePythiaEntryHeader(std::ofstream &outdec, int lundkc,
65	EvtId evtnum,std::string name,
66	int chg, int cchg, int spin2,double mass,
67	double width, double maxwidth,double ctau,
68	int stable,double rawbrfrsum);
69	static bool diquark(int);
70	static double NominalMass(int);
71	static int njetsetdecays;
72	static EvtDecayBasePtr* jetsetdecays;
73	static int ntable;
74
75	static int ncommand;
76	static int lcommand;
77	static std::string* commands;
78	};
79
80	#endif
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