Classes for event generation with pythia8

[u/mrichter/AliRoot.git] / PYTHIA6 / AliPythia8.h

diff --git a/PYTHIA6/AliPythia8.h b/PYTHIA6/AliPythia8.h
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+++ b/PYTHIA6/AliPythia8.h
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+#ifndef ALIPYTHIA8_H
+#define ALIPYTHIA8_H
+/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * See cxx source for full Copyright notice                               */
+
+/* $Id: AliPythia.h,v 1.22 2007/10/09 08:43:24 morsch Exp $ */
+
+#include <TPythia8.h>
+#include "../../pythia8100/include/Analysis.h"
+#include <AliPythiaBase.h>
+
+class AliStack;
+class AliPythia8 : public TPythia8, public AliPythiaBase
+{
+
+ public:
+    AliPythia8();
+    AliPythia8(const AliPythia8& pythia);
+    virtual ~AliPythia8() {;}
+    virtual Int_t Version() {return (8);}
+    // convert to compressed code and print result (for debugging only)
+    virtual Int_t CheckedLuComp(Int_t /*kf*/) {return -1;}
+    // Pythia initialisation for selected processes
+    virtual void  ProcInit (Process_t process, Float_t energy, StrucFunc_t strucfunc);
+    virtual void  GenerateEvent();
+    virtual void  GenerateMIEvent();
+    virtual void  HadronizeEvent();
+    virtual Int_t GetNumberOfParticles() {return GetN();}
+    virtual void  SetNumberOfParticles(Int_t i);
+    virtual void  EditEventList(Int_t i);
+    virtual void  PrintStatistics();
+    virtual void  EventListing();    
+    virtual Int_t GetParticles(TClonesArray *particles) {return ImportParticles(particles, "All");}
+    // Treat protons as inside nuclei
+    virtual void  SetNuclei(Int_t a1, Int_t a2);
+    // Print particle properties
+    virtual void PrintParticles();
+    // Reset the decay table
+    virtual void ResetDecayTable();
+    //
+    // Common Physics Configuration
+    virtual void SetPtHardRange(Float_t ptmin, Float_t ptmax);
+    virtual void SetYHardRange(Float_t ymin, Float_t ymax);
+    virtual void SetFragmentation(Int_t flag);
+    virtual void SetInitialAndFinalStateRadiation(Int_t flag1, Int_t flag2);
+    virtual void SetIntrinsicKt(Float_t kt);
+    virtual void SwitchHFOff();
+    virtual void SetPycellParameters(Float_t etamax, Int_t neta, Int_t nphi,
+                                    Float_t thresh, Float_t etseed, Float_t minet, Float_t r);
+    virtual void GetJet(Int_t i, Float_t& px, Float_t& py, Float_t& pz, Float_t& e);
+    virtual void ModifiedSplitting();
+    virtual void InitQuenching(Float_t bmin, Float_t bmax, Float_t k,
+                              Int_t iECMethod, Float_t zmax = 0.97,
+                              Int_t ngmax = 30);
+    virtual void SwitchHadronisationOff();
+    virtual void SwitchHadronisationOn();
+    //
+    // Common Getters
+    virtual void    GetXandQ(Float_t& x1, Float_t& x2, Float_t& q);
+    virtual Float_t GetXSection();
+    virtual Float_t GetPtHard();
+    //
+    //
+    virtual void  SetDecayTable();
+    virtual void  Pystat(Int_t /*i*/){;}
+    virtual void  Pylist(Int_t /*i*/){;}
+    virtual Int_t ProcessCode();
+    virtual void  Pycell(Int_t& nclus);
+    virtual void  Pyclus(Int_t& nclus);
+    virtual void  Pyshow(Int_t /*ip1*/, Int_t /*ip2*/, Double_t /*qmax*/) {;}
+    virtual void  Pyrobo(Int_t /*imi*/, Int_t /*ima*/, Double_t /*the*/,
+                        Double_t /*phi*/, Double_t /*bex*/, Double_t /*bey*/, Double_t /*bez*/) {;}
+    static  AliPythia8* Instance();
+    virtual void Quench() {;}
+    // Assignment Operator
+    AliPythia8 & operator=(const AliPythia8 & rhs);
+    void Copy(TObject&) const;
+    //
+    // Not yet implemented
+    //
+    virtual void Pyquen(Double_t, Int_t, Double_t);
+    virtual void Pyexec() {;}
+    virtual void GetQuenchingParameters(Double_t& xp, Double_t& yp, Double_t z[4]);
+    virtual void LoadEvent(AliStack* stack, Int_t flag, Int_t reHadr);
+    virtual void ConfigHeavyFlavor();
+    virtual void AtlasTuning();
+ 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
+    Double_t              fZQuench[4];        //  ! Quenching fractions for this even
+    Pythia8::CellJet      fCellJet;           //  ! Cell jet object
+    Float_t               fEtSeed;            //  ! Et seed for cell jets 
+    Float_t               fMinEtJet;          //  ! Min jet et 
+    Float_t               fRJet;              //  ! Radius for cell jets
+    Pythia8::ClusterJet   fClusterJet;        //  ! Cluster jet object
+    Float_t               fYScale;            //  ! cut-off joining scale
+    Float_t               fPtScale;           //  ! cut-off joining scale
+    Int_t                 fNJetMin;           //  ! min. number of jets
+    Int_t                 fNJetMax;           //  ! max. number of jets
+    static AliPythia8*    fgAliPythia8;       //    Pointer to single instance
+
+    ClassDef(AliPythia8, 1) //ALICE UI to PYTHIA8
+};
+
+#endif
+
+
+
+
+