-#ifndef AliGenPythia_H
-#define AliGenPythia_H
-/////////////////////////////////////////////////////////
-// Manager and hits classes for set:MUON version 0 //
-/////////////////////////////////////////////////////////
-#include "AliGenerator.h"
-#include "TNamed.h"
-#include "TF1.h"
-#include "TArrayF.h"
-#include "TTree.h"
+#ifndef ALIGENPYTHIA_H
+#define ALIGENPYTHIA_H
+/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * See cxx source for full Copyright notice */
+
+/* $Id$ */
+
+
+#include "AliGenMC.h"
#include "AliPythia.h"
-#include "TArrayI.h"
-#include "TParticle.h"
+#include "TArrayF.h"
-class AliGenPythia : public AliGenerator
-{
- protected:
- Process_t fProcess;
- StrucFunc_t fStrucFunc;
- Decay_t fForceDecay;
- Float_t fEnergyCMS;
- Float_t fKineBias;
- Int_t fTrials;
- TArrayI fParentSelect;
- TArrayI fChildSelect;
- Float_t fXsection;
- AliPythia *fPythia;
- Float_t fPtHardMin;
- Float_t fPtHardMax;
+class AliPythia;
+class TParticle;
- private:
- // check if particle is selected as parent particle
- Bool_t ParentSelected(Int_t ip);
- // check if particle is selected as child particle
- Bool_t ChildSelected(Int_t ip);
- // all kinematic selection cuts go here
- Bool_t KinematicSelection(TParticle *particle);
- // adjust the weight from kinematic cuts
- void AdjustWeights();
+class AliGenPythia : public AliGenMC
+{
public:
AliGenPythia();
AliGenPythia(Int_t npart);
+ AliGenPythia(const AliGenPythia &Pythia);
virtual ~AliGenPythia();
virtual void Generate();
virtual void Init();
+ // set a cut on the Z coord. of the primary vertex (cm)
+ //
+ virtual void SetEventListRange(Int_t eventFirst=-1, Int_t eventLast=-1);
// select process type
- virtual void SetProcess(Process_t proc=charm) {fProcess=proc;}
+ virtual void SetProcess(Process_t proc = kPyCharm) {fProcess = proc;}
// select structure function
- virtual void SetStrucFunc(StrucFunc_t func=GRV_HO) {fStrucFunc=func;}
+ virtual void SetStrucFunc(StrucFunc_t func = kGRV_HO) {fStrucFunc = func;}
// select pt of hard scattering
- virtual void SetPtHard(Float_t ptmin=0, Float_t ptmax=1.e10)
- {fPtHardMin=ptmin; fPtHardMax=ptmax; }
+ virtual void SetPtHard(Float_t ptmin = 0, Float_t ptmax = 1.e10)
+ {fPtHardMin = ptmin; fPtHardMax = ptmax; }
// set centre of mass energy
- virtual void SetEnergyCMS(Float_t energy=5500) {fEnergyCMS=energy;}
- // force decay type
- virtual void ForceDecay(Decay_t decay=semimuonic) {fForceDecay=decay;}
+ virtual void SetEnergyCMS(Float_t energy = 5500) {fEnergyCMS = energy;}
+ // treat protons as inside nuclei
+ virtual void SetNuclei(Int_t a1, Int_t a2);
// get cross section of process
- virtual Float_t GetXsection() {return fXsection;}
- ClassDef(AliGenPythia,1)
+ virtual Float_t GetXsection() {return fXsection;}
+ virtual void FinishRun();
+
+ // Assignment Operator
+ AliGenPythia & operator=(const AliGenPythia & rhs);
+ private:
+ Int_t GenerateMB();
+ virtual void MakeHeader();
+ protected:
+ TClonesArray* fParticles; //Particle List
+
+ Process_t fProcess; //Process type
+ StrucFunc_t fStrucFunc; //Structure Function
+ Float_t fEnergyCMS; //Centre of mass energy
+ Float_t fKineBias; //!Bias from kinematic selection
+ Int_t fTrials; //!Number of trials
+ Int_t fFlavorSelect; //Heavy Flavor Selection
+ Float_t fXsection; //Cross-section
+ AliPythia *fPythia; //!Pythia
+ Float_t fPtHardMin; //lower pT-hard cut
+ Float_t fPtHardMax; //higher pT-hard cut
+ Int_t fNucA1; //mass number nucleus side 1
+ Int_t fNucA2; //mass number nucleus side 2
+ Bool_t fFullEvent; //!Write Full event if true
+ AliDecayer *fDecayer; //!Pointer to the decayer instance
+ Int_t fDebugEventFirst; //!First event to debug
+ Int_t fDebugEventLast; //!Last event to debug
+ private:
+ // adjust the weight from kinematic cuts
+ void AdjustWeights();
+
+ ClassDef(AliGenPythia,1) // AliGenerator interface to Pythia
};
#endif