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fe4da5cc | 1 | #ifndef AliGenPythia_H |
2 | #define AliGenPythia_H | |
3da30618 | 3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | /* $Id$ */ | |
7 | ||
fe4da5cc | 8 | ///////////////////////////////////////////////////////// |
9 | // Manager and hits classes for set:MUON version 0 // | |
10 | ///////////////////////////////////////////////////////// | |
11 | #include "AliGenerator.h" | |
12 | #include "TNamed.h" | |
13 | #include "TF1.h" | |
14 | #include "TArrayF.h" | |
15 | #include "TTree.h" | |
16 | #include "AliPythia.h" | |
17 | #include "TArrayI.h" | |
1578254f | 18 | #include "TParticle.h" |
fe4da5cc | 19 | |
20 | class AliGenPythia : public AliGenerator | |
21 | { | |
22 | protected: | |
23 | Process_t fProcess; | |
24 | StrucFunc_t fStrucFunc; | |
25 | Decay_t fForceDecay; | |
26 | Float_t fEnergyCMS; | |
27 | Float_t fKineBias; | |
28 | Int_t fTrials; | |
29 | TArrayI fParentSelect; | |
30 | TArrayI fChildSelect; | |
31 | Float_t fXsection; | |
32 | AliPythia *fPythia; | |
33 | Float_t fPtHardMin; | |
34 | Float_t fPtHardMax; | |
35 | ||
36 | private: | |
37 | // check if particle is selected as parent particle | |
38 | Bool_t ParentSelected(Int_t ip); | |
39 | // check if particle is selected as child particle | |
40 | Bool_t ChildSelected(Int_t ip); | |
41 | // all kinematic selection cuts go here | |
1578254f | 42 | Bool_t KinematicSelection(TParticle *particle); |
fe4da5cc | 43 | // adjust the weight from kinematic cuts |
44 | void AdjustWeights(); | |
45 | public: | |
46 | AliGenPythia(); | |
47 | AliGenPythia(Int_t npart); | |
48 | virtual ~AliGenPythia(); | |
49 | virtual void Generate(); | |
50 | virtual void Init(); | |
51 | // select process type | |
52 | virtual void SetProcess(Process_t proc=charm) {fProcess=proc;} | |
53 | // select structure function | |
54 | virtual void SetStrucFunc(StrucFunc_t func=GRV_HO) {fStrucFunc=func;} | |
55 | // select pt of hard scattering | |
56 | virtual void SetPtHard(Float_t ptmin=0, Float_t ptmax=1.e10) | |
57 | {fPtHardMin=ptmin; fPtHardMax=ptmax; } | |
58 | // set centre of mass energy | |
59 | virtual void SetEnergyCMS(Float_t energy=5500) {fEnergyCMS=energy;} | |
60 | // force decay type | |
61 | virtual void ForceDecay(Decay_t decay=semimuonic) {fForceDecay=decay;} | |
62 | // get cross section of process | |
63 | virtual Float_t GetXsection() {return fXsection;} | |
a8228d85 | 64 | // Check PDG code |
65 | virtual Int_t CheckPDGCode(Int_t pdgcode); | |
66 | ||
fe4da5cc | 67 | ClassDef(AliGenPythia,1) |
68 | }; | |
69 | #endif | |
70 | ||
71 | ||
72 | ||
73 | ||
74 |