3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
10 #include <AliStructFuncType.h>
11 #include "PythiaProcesses.h"
14 class AliQuenchingWeights;
16 class AliPythia : public TPythia6, public AliRndm
20 virtual ~AliPythia(){;}
21 // convert to compressed code and print result (for debugging only)
22 virtual Int_t CheckedLuComp(Int_t kf);
23 // Pythia initialisation for selected processes
25 (Process_t process, Float_t energy, StrucFunc_t strucfunc);
26 // treat protons as inside nuclei
27 virtual void SetNuclei(Int_t a1, Int_t a2, Int_t pdf);
28 // Print particle properties
29 virtual void PrintParticles();
30 virtual void ResetDecayTable();
31 virtual void SetDecayTable();
32 virtual void Pyevnw();
33 virtual void Pycell(Int_t& nclus);
34 virtual void Pyclus(Int_t& nclus);
35 virtual void Pyshow(Int_t ip1, Int_t ip2, Double_t qmax);
36 virtual void Pyshowq(Int_t ip1, Int_t ip2, Double_t qmax);
37 virtual void Pyrobo(Int_t imi, Int_t ima, Double_t the, Double_t phi, Double_t bex, Double_t bey, Double_t bez);
38 virtual void Pytune(Int_t itune);
39 virtual void InitQuenching(Float_t bmin, Float_t bmax, Float_t k, Int_t iECMethod, Float_t zmax = 0.97, Int_t ngmax = 30);
40 virtual void SetPyquenParameters(Double_t t0, Double_t tau0, Int_t nf, Int_t iengl, Int_t iangl);
41 virtual void Pyquen(Double_t a, Int_t ibf, Double_t b);
42 virtual void GetQuenchingParameters(Double_t& xp, Double_t& yp, Double_t z[4]);
43 // return instance of the singleton
44 static AliPythia* Instance();
45 virtual void Quench();
46 // Assignment Operator
47 AliPythia & operator=(const AliPythia & rhs);
48 void Copy(TObject&) const;
50 Process_t fProcess; // Process type
51 Float_t fEcms; // Centre of mass energy
52 StrucFunc_t fStrucFunc; // Structure function
53 Int_t fDefMDCY[501]; // ! Default decay switches per particle
54 Int_t fDefMDME[2001]; // ! Default decay switches per mode
55 Double_t fZQuench[4]; // ! Quenching fractions for this even
56 Double_t fXJet; // ! Jet production point X
57 Double_t fYJet; // ! Jet production point Y
58 Int_t fNGmax; // Maximum number of radiated gluons in quenching
59 Float_t fZmax; // Maximum energy loss in quenching
60 AliFastGlauber* fGlauber; // ! The Glauber model
61 AliQuenchingWeights* fQuenchingWeights; // ! The Quenching Weights model
62 static AliPythia* fgAliPythia; // Pointer to single instance
65 AliPythia(const AliPythia& pythia);
66 void ConfigHeavyFlavor();
68 ClassDef(AliPythia,1) //ALICE UI to PYTHIA