| | 1 | #ifndef _AliPythia_H |
| | 2 | #define _AliPythia_H |
| | 3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
| | 4 | * See cxx source for full Copyright notice */ |
| | 5 | |
| | 6 | /* $Id$ */ |
| | 7 | |
| | 8 | #include <TPythia.h> |
| | 9 | #include "GenTypeDefs.h" |
| | 10 | |
| | 11 | class AliPythia:public TPythia |
| | 12 | { |
| | 13 | protected: |
| | 14 | Process_t fProcess; |
| | 15 | Decay_t fDecay; |
| | 16 | Float_t fEcms; |
| | 17 | StrucFunc_t fStrucFunc; |
| | 18 | Int_t fGPCode[501][2]; |
| | 19 | Float_t fBraPart[501]; |
| | 20 | |
| | 21 | public: |
| | 22 | static Int_t fgInit; |
| | 23 | AliPythia(); |
| | 24 | virtual ~AliPythia(){;} |
| | 25 | // convert to compressed code and print result (for debugging only) |
| | 26 | virtual Int_t CheckedLuComp(Int_t kf) |
| | 27 | { |
| | 28 | Int_t kc=Lucomp(kf); |
| | 29 | printf("\n Lucomp kf,kc %d %d",kf,kc); |
| | 30 | return kc; |
| | 31 | } |
| | 32 | // entry to the corresponding lujet function |
| | 33 | virtual void Lu1Ent(int flag, int idpart, |
| | 34 | float mom, float theta,float phi); |
| | 35 | // Decay a Particle |
| | 36 | virtual void DecayParticle |
| | 37 | (Int_t idpart, Float_t mom, Float_t theta,Float_t phi); |
| | 38 | // |
| | 39 | // Pythia initialisation for selected processes |
| | 40 | virtual void ProcInit |
| | 41 | (Process_t process, Float_t energy, StrucFunc_t strucfunc); |
| | 42 | // |
| | 43 | // Count decay products |
| | 44 | virtual Int_t CountProducts(Int_t channel, Int_t particle); |
| | 45 | |
| | 46 | // |
| | 47 | // Force decay modes |
| | 48 | // |
| | 49 | // select type and multiplicity of the decay product |
| | 50 | virtual void ForceParticleDecay(Int_t particle,Int_t product,Int_t mult); |
| | 51 | // |
| | 52 | // force a particular decy-type |
| | 53 | virtual void ForceDecay(Decay_t decay); |
| | 54 | // don't force any decay |
| | 55 | virtual void AllowAllDecays(); |
| | 56 | |
| | 57 | // |
| | 58 | // Define heavy mesons to GEANT and make correspondance |
| | 59 | // GEANT - Pythia particle code |
| | 60 | virtual void DefineParticles(); |
| | 61 | // |
| | 62 | // Convert from Pythia to Geant particle code |
| | 63 | virtual Int_t GetGeantCode(Int_t kf); |
| | 64 | // |
| | 65 | // Get sum of branching ratios for forced decays |
| | 66 | virtual Float_t GetBraPart(Int_t kf); |
| | 67 | ClassDef(AliPythia,1) //ALICE UI to PYTHIA |
| | 68 | }; |
| | 69 | |
| | 70 | #endif |
| | 71 | |
| | 72 | |
| | 73 | |
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