[u/mrichter/AliRoot.git] / PYTHIA6 / TPythia8.h

// @(#)root/pythia8:$Name$:$Id$
// Author: Andreas Morsch   27/10/2007

/*************************************************************************
 * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/

#ifndef PYTHIA_TPythia8
#define PYTHIA_TPythia8

////////////////////////////////////////////////////////////////////////////////
//                                                                            //
// TPythia8                                                                   //
//                                                                            //
// TPythia is an interface class to C++ version of Pythia 8.1                 //
// event generators, written by T.Sjostrand.                                  //
////////////////////////////////////////////////////////////////////////////////
/*
*------------------------------------------------------------------------------------*
 |                                                                                    |
 |  *------------------------------------------------------------------------------*  |
 |  |                                                                              |  |
 |  |                                                                              |  |
 |  |   PPP   Y   Y  TTTTT  H   H  III    A      Welcome to the Lund Monte Carlo!  |  |
 |  |   P  P   Y Y     T    H   H   I    A A     This is PYTHIA version 8.100      |  |
 |  |   PPP     Y      T    HHHHH   I   AAAAA    Last date of change: 20 Oct 2007  |  |
 |  |   P       Y      T    H   H   I   A   A                                      |  |
 |  |   P       Y      T    H   H  III  A   A    Now is 27 Oct 2007 at 18:26:53    |  |
 |  |                                                                              |  |
 |  |   Main author: Torbjorn Sjostrand; CERN/PH, CH-1211 Geneva, Switzerland,     |  |
 |  |     and Department of Theoretical Physics, Lund University, Lund, Sweden;    |  |
 |  |     phone: + 41 - 22 - 767 82 27; e-mail: torbjorn@thep.lu.se                |  |
 |  |   Author: Stephen Mrenna; Computing Division, Simulations Group,             |  |
 |  |     Fermi National Accelerator Laboratory, MS 234, Batavia, IL 60510, USA;   |  |
 |  |     phone: + 1 - 630 - 840 - 2556; e-mail: mrenna@fnal.gov                   |  |
 |  |   Author: Peter Skands; CERN/PH, CH-1211 Geneva, Switzerland,                |  |
 |  |     and Theoretical Physics Department,                                      |  |
 |  |     Fermi National Accelerator Laboratory, MS 106, Batavia, IL 60510, USA;   |  |
 |  |     phone: + 41 - 22 - 767 24 59; e-mail: skands@fnal.gov                    |  |
 |  |                                                                              |  |
 |  |   The main program reference is the 'Brief Introduction to PYTHIA 8.1',      |  |
 |  |   T. Sjostrand, S. Mrenna and P. Skands, arXiv:0710.3820                     |  |
 |  |                                                                              |  |
 |  |   The main physics reference is the 'PYTHIA 6.4 Physics and Manual',         |  |
 |  |   T. Sjostrand, S. Mrenna and P. Skands, JHEP05 (2006) 026 [hep-ph/0603175]. |  |
 |  |                                                                              |  |
 |  |   An archive of program versions and documentation is found on the web:      |  |
 |  |   http://www.thep.lu.se/~torbjorn/Pythia.html                                |  |
 |  |                                                                              |  |
 |  |   This program is released under the GNU General Public Licence version 2.   |  |
 |  |   Please respect the MCnet Guidelines for Event Generator Authors and Users. |  |
 |  |                                                                              |  |
 |  |   Disclaimer: this program comes without any guarantees.                     |  |
 |  |   Beware of errors and use common sense when interpreting results.           |  |
 |  |                                                                              |  |
 |  |   Copyright (C) 2007 Torbjorn Sjostrand                                      |  |
 |  |                                                                              |  |
 |  |                                                                              |  |
 |  *------------------------------------------------------------------------------*  |
 |                                                                                    |
 *------------------------------------------------------------------------------------*
*/


#include <TGenerator.h>
#include "Pythia.h"


class Pythia;
class TClonesArray;
class TObjArray;

class TPythia8 : public TGenerator
{
 protected:
    static  TPythia8       *fgInstance;             //! singleton instance
    Pythia8::Pythia        *fPythia;                //! The pythia instance
    Int_t                   fNumberOfParticles;     //! Number of particles
public:
   TPythia8();
   virtual ~TPythia8();
   static TPythia8        *Instance();
   Pythia8::Pythia        *Pythia8() {return fPythia;}
   //
   // Interface
   virtual void            GenerateEvent();
   virtual Int_t           ImportParticles(TClonesArray *particles, Option_t *option="");
   virtual TObjArray      *ImportParticles(Option_t *option="");
   //
   // Others
   void                    ReadString(char* string) const;
   Bool_t                  Initialize(Int_t  idAin, Int_t idBin, Double_t ecms);
   void                    PrintStatistics()        const;
   void                    EventListing()           const;
   Int_t                   GetN()                   const;
 private:
   void                    AddParticlesToPdgDataBase();
   //   
   ClassDef(TPythia8, 1)   // TGenerator implementation of Pythia8
};

#endif
Commit	Line	Data
391ecabb	1	// @(#)root/pythia8:$Name$:$Id$
	2	// Author: Andreas Morsch 27/10/2007
	3
	4	/*************************************************************************
	5	* Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
	6	* All rights reserved. *
	7	* *
	8	* For the licensing terms see $ROOTSYS/LICENSE. *
	9	* For the list of contributors see $ROOTSYS/README/CREDITS. *
	10	*************************************************************************/
	11
	12	#ifndef PYTHIA_TPythia8
	13	#define PYTHIA_TPythia8
	14
	15	////////////////////////////////////////////////////////////////////////////////
	16	// //
	17	// TPythia8 //
	18	// //
	19	// TPythia is an interface class to C++ version of Pythia 8.1 //
	20	// event generators, written by T.Sjostrand. //
	21	////////////////////////////////////////////////////////////////////////////////
	22	/*
	23	------------------------------------------------------------------------------------
	24	\| \|
	25	\| ------------------------------------------------------------------------------ \|
	26	\| \| \| \|
	27	\| \| \| \|
	28	\| \| PPP Y Y TTTTT H H III A Welcome to the Lund Monte Carlo! \| \|
	29	\| \| P P Y Y T H H I A A This is PYTHIA version 8.100 \| \|
	30	\| \| PPP Y T HHHHH I AAAAA Last date of change: 20 Oct 2007 \| \|
	31	\| \| P Y T H H I A A \| \|
	32	\| \| P Y T H H III A A Now is 27 Oct 2007 at 18:26:53 \| \|
	33	\| \| \| \|
	34	\| \| Main author: Torbjorn Sjostrand; CERN/PH, CH-1211 Geneva, Switzerland, \| \|
	35	\| \| and Department of Theoretical Physics, Lund University, Lund, Sweden; \| \|
	36	\| \| phone: + 41 - 22 - 767 82 27; e-mail: torbjorn@thep.lu.se \| \|
	37	\| \| Author: Stephen Mrenna; Computing Division, Simulations Group, \| \|
	38	\| \| Fermi National Accelerator Laboratory, MS 234, Batavia, IL 60510, USA; \| \|
	39	\| \| phone: + 1 - 630 - 840 - 2556; e-mail: mrenna@fnal.gov \| \|
	40	\| \| Author: Peter Skands; CERN/PH, CH-1211 Geneva, Switzerland, \| \|
	41	\| \| and Theoretical Physics Department, \| \|
	42	\| \| Fermi National Accelerator Laboratory, MS 106, Batavia, IL 60510, USA; \| \|
	43	\| \| phone: + 41 - 22 - 767 24 59; e-mail: skands@fnal.gov \| \|
	44	\| \| \| \|
	45	\| \| The main program reference is the 'Brief Introduction to PYTHIA 8.1', \| \|
	46	\| \| T. Sjostrand, S. Mrenna and P. Skands, arXiv:0710.3820 \| \|
	47	\| \| \| \|
	48	\| \| The main physics reference is the 'PYTHIA 6.4 Physics and Manual', \| \|
	49	\| \| T. Sjostrand, S. Mrenna and P. Skands, JHEP05 (2006) 026 [hep-ph/0603175]. \| \|
	50	\| \| \| \|
	51	\| \| An archive of program versions and documentation is found on the web: \| \|
	52	\| \| http://www.thep.lu.se/~torbjorn/Pythia.html \| \|
	53	\| \| \| \|
	54	\| \| This program is released under the GNU General Public Licence version 2. \| \|
	55	\| \| Please respect the MCnet Guidelines for Event Generator Authors and Users. \| \|
	56	\| \| \| \|
	57	\| \| Disclaimer: this program comes without any guarantees. \| \|
	58	\| \| Beware of errors and use common sense when interpreting results. \| \|
	59	\| \| \| \|
	60	\| \| Copyright (C) 2007 Torbjorn Sjostrand \| \|
	61	\| \| \| \|
	62	\| \| \| \|
	63	\| ------------------------------------------------------------------------------ \|
	64	\| \|
65	------------------------------------------------------------------------------------
66	*/
67
68
69
70	#include <TGenerator.h>
71	#include "Pythia.h"
72
73
74	class Pythia;
75	class TClonesArray;
76	class TObjArray;
77
78	class TPythia8 : public TGenerator
79	{
80	protected:
81	static TPythia8 *fgInstance; //! singleton instance
82	Pythia8::Pythia *fPythia; //! The pythia instance
83	Int_t fNumberOfParticles; //! Number of particles
84	public:
85	TPythia8();
86	virtual ~TPythia8();
87	static TPythia8 *Instance();
88	Pythia8::Pythia *Pythia8() {return fPythia;}
89	//
90	// Interface
91	virtual void GenerateEvent();
92	virtual Int_t ImportParticles(TClonesArray particles, Option_t option="");
93	virtual TObjArray ImportParticles(Option_t option="");
94	//
95	// Others
96	void ReadString(char* string) const;
97	Bool_t Initialize(Int_t idAin, Int_t idBin, Double_t ecms);
98	void PrintStatistics() const;
99	void EventListing() const;
100	Int_t GetN() const;
101	private:
102	void AddParticlesToPdgDataBase();
103	//
104	ClassDef(TPythia8, 1) // TGenerator implementation of Pythia8
105	};
106
107	#endif