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1 | #ifndef _AliPythia_H |
| 2 | #define _AliPythia_H |
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3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
| 4 | * See cxx source for full Copyright notice */ |
| 5 | |
| 6 | /* $Id$ */ |
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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; |
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23 | AliPythia(); |
| 24 | virtual ~AliPythia(){;} |
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25 | // convert to compressed code and print result (for debugging only) |
| 26 | virtual Int_t CheckedLuComp(Int_t kf) |
| 27 | { |
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28 | Int_t kc=Lucomp(kf); |
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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 | |
git://git.uio.no / u / mrichter / AliRoot.git / blame