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class TPythia8: public TGenerator


TPythia8

TPythia is an interface class to C++ version of Pythia 8.1
event generators, written by T.Sjostrand.

The user is assumed to be familiar with the Pythia package.
This class includes only a basic interface to Pythia8. Because Pythia8 is
also written in C++, its functions/classes can be called directly from a
compiled C++ script.
To call Pythia functions not available in this interface a dictionary must
be generated.
see $ROOTSYS/tutorials/pythia/pythia8.C for an example of use from CINT.




 |                                                                                    |
 |  *------------------------------------------------------------------------------*  |
 |  |                                                                              |  |
 |  |                                                                              |  |
 |  |   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                                      |  |
 |  |                                                                              |  |
 |  |                                                                              |  |
 |  *------------------------------------------------------------------------------*  |
 |                                                                                    |
 *------------------------------------------------------------------------------------*

Function Members (Methods)

public:
TPythia8()
TPythia8(const char* xmlDir)
TPythia8(const TPythia8&)
virtual~TPythia8()
voidTObject::AbstractMethod(const char* method) const
virtual voidTObject::AppendPad(Option_t* option = "")
virtual voidTGenerator::Browse(TBrowser* b)
static TClass*Class()
virtual const char*TObject::ClassName() const
virtual voidTNamed::Clear(Option_t* option = "")
virtual TObject*TNamed::Clone(const char* newname = "") const
virtual Int_tTNamed::Compare(const TObject* obj) const
virtual voidTNamed::Copy(TObject& named) const
virtual voidTObject::Delete(Option_t* option = "")MENU
virtual Int_tTGenerator::DistancetoPrimitive(Int_t px, Int_t py)
virtual voidTGenerator::Draw(Option_t* option = "")
virtual voidTObject::DrawClass() constMENU
virtual TObject*TObject::DrawClone(Option_t* option = "") constMENU
virtual voidTObject::Dump() constMENU
virtual voidTObject::Error(const char* method, const char* msgfmt) const
voidEventListing() const
virtual voidTObject::Execute(const char* method, const char* params, Int_t* error = 0)
virtual voidTObject::Execute(TMethod* method, TObjArray* params, Int_t* error = 0)
virtual voidTGenerator::ExecuteEvent(Int_t event, Int_t px, Int_t py)
virtual voidTObject::Fatal(const char* method, const char* msgfmt) const
virtual voidTNamed::FillBuffer(char*& buffer)
virtual TObject*TObject::FindObject(const char* name) const
virtual TObject*TObject::FindObject(const TObject* obj) const
virtual voidGenerateEvent()
virtual Option_t*TObject::GetDrawOption() const
static Long_tTObject::GetDtorOnly()
virtual const char*TObject::GetIconName() const
virtual TObjArray*TGenerator::GetListOfParticles() const
Int_tGetN() const
virtual const char*TNamed::GetName() const
Int_tTGenerator::GetNumberOfParticles() const
virtual char*TObject::GetObjectInfo(Int_t px, Int_t py) const
static Bool_tTObject::GetObjectStat()
virtual Option_t*TObject::GetOption() const
virtual Double_tTGenerator::GetParameter(const char*) const
virtual TParticle*TGenerator::GetParticle(Int_t i) const
virtual TObjArray*TGenerator::GetPrimaries(Option_t* option = "")
Float_tTGenerator::GetPtCut() const
virtual const char*TNamed::GetTitle() const
virtual UInt_tTObject::GetUniqueID() const
virtual Bool_tTObject::HandleTimer(TTimer* timer)
virtual ULong_tTNamed::Hash() const
virtual TObjArray*ImportParticles(Option_t* option = "")
virtual Int_tImportParticles(TClonesArray* particles, Option_t* option = "")
virtual voidTObject::Info(const char* method, const char* msgfmt) const
virtual Bool_tTObject::InheritsFrom(const char* classname) const
virtual Bool_tTObject::InheritsFrom(const TClass* cl) const
Bool_tInitialize(Int_t idAin, Int_t idBin, Double_t ecms)
virtual voidTObject::Inspect() constMENU
static TPythia8*Instance()
voidTObject::InvertBit(UInt_t f)
virtual TClass*IsA() const
virtual Bool_tTObject::IsEqual(const TObject* obj) const
virtual Bool_tTObject::IsFolder() const
Bool_tTObject::IsOnHeap() const
virtual Bool_tTNamed::IsSortable() const
Bool_tTObject::IsZombie() const
virtual voidTNamed::ls(Option_t* option = "") const
voidTObject::MayNotUse(const char* method) const
virtual Bool_tTObject::Notify()
static voidTObject::operator delete(void* ptr)
static voidTObject::operator delete(void* ptr, void* vp)
static voidTObject::operator delete[](void* ptr)
static voidTObject::operator delete[](void* ptr, void* vp)
void*TObject::operator new(size_t sz)
void*TObject::operator new(size_t sz, void* vp)
void*TObject::operator new[](size_t sz)
void*TObject::operator new[](size_t sz, void* vp)
virtual voidTGenerator::Paint(Option_t* option = "")
virtual voidTObject::Pop()
virtual voidTNamed::Print(Option_t* option = "") const
voidPrintStatistics() const
Pythia8::Pythia*Pythia8()
virtual Int_tTObject::Read(const char* name)
voidReadConfigFile(const char* string) const
voidReadString(const char* string) const
virtual voidTObject::RecursiveRemove(TObject* obj)
voidTObject::ResetBit(UInt_t f)
virtual voidTObject::SaveAs(const char* filename = "", Option_t* option = "") constMENU
virtual voidTObject::SavePrimitive(basic_ostream<char,char_traits<char> >& out, Option_t* option = "")
voidTObject::SetBit(UInt_t f)
voidTObject::SetBit(UInt_t f, Bool_t set)
virtual voidTObject::SetDrawOption(Option_t* option = "")MENU
static voidTObject::SetDtorOnly(void* obj)
virtual voidTNamed::SetName(const char* name)MENU
virtual voidTNamed::SetNameTitle(const char* name, const char* title)
static voidTObject::SetObjectStat(Bool_t stat)
virtual voidTGenerator::SetParameter(const char*, Double_t)
virtual voidTGenerator::SetPtCut(Float_t ptcut = 0)MENU
virtual voidTNamed::SetTitle(const char* title = "")MENU
virtual voidTObject::SetUniqueID(UInt_t uid)
virtual voidTGenerator::SetViewRadius(Float_t rbox = 1000)MENU
virtual voidTGenerator::SetViewRange(Float_t xmin = -10000, Float_t ymin = -10000, Float_t zmin = -10000, Float_t xmax = 10000, Float_t ymax = 10000, Float_t zmax = 10000)MENU
virtual voidShowMembers(TMemberInspector& insp, char* parent)
virtual voidTGenerator::ShowNeutrons(Bool_t show = 1)MENU
virtual Int_tTNamed::Sizeof() const
virtual voidStreamer(TBuffer& b)
voidStreamerNVirtual(TBuffer& b)
virtual voidTObject::SysError(const char* method, const char* msgfmt) const
Bool_tTObject::TestBit(UInt_t f) const
Int_tTObject::TestBits(UInt_t f) const
virtual voidTObject::UseCurrentStyle()
virtual voidTObject::Warning(const char* method, const char* msgfmt) const
virtual Int_tTObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0)
virtual Int_tTObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0) const
protected:
virtual voidTObject::DoError(int level, const char* location, const char* fmt, va_list va) const
voidTObject::MakeZombie()
TGenerator&TGenerator::operator=(const TGenerator& tg)

Data Members

protected:
TStringTNamed::fNameobject identifier
Int_tfNumberOfParticles! Number of particles
TObjArray*TGenerator::fParticles->static container of the primary particles
Float_tTGenerator::fPtCut!Pt cut. Do not show primaries below
Pythia8::Pythia*fPythia! The pythia8 instance
Bool_tTGenerator::fShowNeutrons!display neutrons if true
TStringTNamed::fTitleobject title
static TPythia8*fgInstance! singleton instance

Class Charts

Inheritance Inherited Members Includes Libraries
Class Charts

Function documentation

TPythia8()
 Constructor
TPythia8(const char *xmlDir)
 Constructor with an xmlDir (eg "../xmldoc"
~TPythia8()
 Destructor
TPythia8* Instance()
 Return an instance of TPythia8
Bool_t Initialize(Int_t idAin, Int_t idBin, Double_t ecms)
 Initialization
void GenerateEvent()
 Generate the next event
Int_t ImportParticles(TClonesArray* particles, Option_t* option = "")
 Import particles from Pythia stack
TObjArray* ImportParticles(Option_t* option = "")
 Import particles from Pythia stack
Int_t GetN() const
 Initialization
void ReadString(const char* string) const
 Configuration
void ReadConfigFile(const char* string) const
 Configuration
void PrintStatistics() const
 Print end of run statistics
void EventListing() const
 Event listing
void AddParticlesToPdgDataBase()
 Add some pythia specific particle code to the data base
TPythia8()