Corrected bug in the TPC geometry, thanks to Ivana Hrivnacova
[u/mrichter/AliRoot.git] / EVGEN / AliGenPythia.h
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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
20class 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
886b6f73 61 virtual void SetForceDecay(Decay_t decay=semimuonic) {fForceDecay=decay;}
fe4da5cc 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
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