[u/mrichter/AliRoot.git] / PYTHIA6 / AliGenPythiaPlus.h

#ifndef ALIGENPYTHIAPLUS_H
#define ALIGENPYTHIAPLUS_H
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */


/* $Id$ */

//
// Generator using the TPythia interface (via AliPythia)
// to generate pp collisions.
// Using SetNuclei() also nuclear modifications to the structure functions
// can be taken into account. This makes, of course, only sense for the
// generation of the products of hard processes (heavy flavor, jets ...)
//
// andreas.morsch@cern.ch
//

#include "AliGenMC.h"
#include "AliPythia.h"

class AliPythiaBase;
class TParticle;
class AliGenPythiaEventHeader;
class AliGenEventHeader;
class AliStack;
class AliRunLoader;

class AliGenPythiaPlus : public AliGenMC
{
 public:

    typedef enum {kFlavorSelection, kParentSelection} StackFillOpt_t;
    typedef enum {kCountAll, kCountParents, kCountTrackables} CountMode_t;
    typedef enum {kCluster, kCell} JetRecMode_t;
	  
    AliGenPythiaPlus();
    AliGenPythiaPlus(AliPythiaBase* pythia);
    virtual ~AliGenPythiaPlus();
    virtual void    Generate();
    virtual void    Init();
    // Range of events to be printed
    virtual void    SetEventListRange(Int_t eventFirst=-1, Int_t eventLast=-1);
    // Select process type
    virtual void    SetProcess(Process_t proc = kPyCharm) {fProcess = proc;}
    // Select structure function
    virtual void    SetStrucFunc(StrucFunc_t func =  kCTEQ5L) {fStrucFunc = func;}
    // Select pt of hard scattering 
    virtual void    SetPtHard(Float_t ptmin = 0, Float_t ptmax = 1.e10)
	{fPtHardMin = ptmin; fPtHardMax = ptmax; }
    // y of hard scattering
    virtual void    SetYHard(Float_t ymin = -1.e10, Float_t ymax = 1.e10)
	{fYHardMin = ymin; fYHardMax = ymax; }
    // Set initial and final state gluon radiation
    virtual void    SetGluonRadiation(Int_t iIn, Int_t iFin)
	{fGinit = iIn; fGfinal = iFin;}
    // Intrinsic kT
    virtual void    SetPtKick(Float_t kt = 1.)
	{fPtKick = kt;}
    // Use the Pythia 6.3 new multiple interations scenario
    virtual void    UseNewMultipleInteractionsScenario() {fNewMIS = kTRUE;}
    // Switch off heavy flavors
    virtual void    SwitchHFOff() {fHFoff = kTRUE;}
    // Set centre of mass energy
    virtual void    SetEnergyCMS(Float_t energy = 5500) {fEnergyCMS = energy;}
    // Treat protons as inside nuclei with mass numbers a1 and a2
    virtual void    SetNuclei(Int_t a1, Int_t a2);
    //
    // Trigger options
    //
    // Energy range for jet trigger
    virtual void    SetJetEtRange(Float_t etmin = 0., Float_t etmax = 1.e4)
	{fEtMinJet = etmin; fEtMaxJet = etmax;}
    // Eta range for jet trigger
    virtual void    SetJetEtaRange(Float_t etamin = -20., Float_t etamax = 20.)
	{fEtaMinJet = etamin; fEtaMaxJet = etamax;}
    // Phi range for jet trigger
    virtual void    SetJetPhiRange(Float_t phimin = 0., Float_t phimax = 360.)
	{fPhiMinJet = TMath::Pi()*phimin/180.; fPhiMaxJet = TMath::Pi()*phimax/180.;}
    // Jet reconstruction mode; default is cone algorithm
    virtual void    SetJetReconstructionMode(Int_t mode = kCell) {fJetReconstruction = mode;}
    // Eta range for gamma trigger 
    virtual void    SetGammaEtaRange(Float_t etamin = -20., Float_t etamax = 20.)
	{fEtaMinGamma = etamin; fEtaMaxGamma = etamax;}
    // Phi range for gamma trigger
    virtual void    SetGammaPhiRange(Float_t phimin = 0., Float_t phimax = 360.)
	{fPhiMinGamma = TMath::Pi()*phimin/180.; fPhiMaxGamma = TMath::Pi()*phimax/180.;}
   // Select jets with fragmentation photon or pi0 going to PHOS or EMCAL
    virtual void  SetFragPhotonInCalo(Bool_t b)  {fFragPhotonInCalo = b;}
    virtual void  SetPi0InCalo       (Bool_t b)  {fPi0InCalo    = b;}
    virtual void  SetPhotonInCalo(Bool_t b)      {fPhotonInCalo = b;}
    virtual void  SetCheckPHOS (Bool_t b)        {fCheckPHOS    = b;}
    virtual void  SetCheckEMCAL(Bool_t b)        {fCheckEMCAL   = b;}
    virtual void  SetFragPhotonInEMCAL(Bool_t b) {fCheckEMCAL   = b; fFragPhotonInCalo = b;}
    virtual void  SetFragPhotonInPHOS(Bool_t b)  {fCheckPHOS    = b; fFragPhotonInCalo = b;}
    virtual void  SetPi0InEMCAL(Bool_t b)        {fCheckEMCAL   = b; fPi0InCalo        = b;}
    virtual void  SetPi0InPHOS(Bool_t b)         {fCheckPHOS    = b; fPi0InCalo        = b;}
    virtual void  SetPhotonInEMCAL(Bool_t b)     {fCheckEMCAL   = b; fPhotonInCalo     = b;}
    virtual void  SetPhotonInPHOS(Bool_t b)      {fCheckPHOS    = b; fPhotonInCalo     = b;}
    virtual void  SetPhotonInPHOSeta(Bool_t b)   {fCheckPHOSeta = b; fPhotonInCalo     = b;}
    virtual void  SetFragPhotonOrPi0MinPt(Float_t pt)      {fFragPhotonOrPi0MinPt = pt;}
    virtual void  SetPhotonMinPt(Float_t pt)     {fPhotonMinPt = pt;}
    // Trigger and rotate event 
    void RotatePhi(Int_t iphcand, Bool_t& okdd);
    // Trigger on a single particle
    virtual void    SetTriggerParticle(Int_t particle = 0, Float_t etamax = 0.9) 
	{fTriggerParticle = particle; fTriggerEta = etamax;}
    //
    // Heavy flavor options
    //
    // Set option for feed down from higher family
    virtual void SetFeedDownHigherFamily(Bool_t opt) {
	fFeedDownOpt = opt;
    }
    // Set option for selecting particles kept in stack according to flavor
    // or to parent selection
    virtual void SetStackFillOpt(StackFillOpt_t opt) {
	fStackFillOpt = opt;
    }
    // Set fragmentation option
    virtual void SetFragmentation(Bool_t opt) {
	fFragmentation = opt;
    }
    // Set counting mode
    virtual void SetCountMode(CountMode_t mode) {
	fCountMode = mode;
    }
    //
    // Quenching
    //
    // Set quenching mode 0 = no, 1 = AM, 2 = IL
    virtual void SetQuench(Int_t flag = 0) {fQuench = flag;}
    virtual void SetHadronisation(Int_t flag = 1) {fHadronisation = flag;}
    virtual void SetReadFromFile(const Text_t *filname) {fFileName = filname;  fReadFromFile = 1;}    

    //
    // Pile-up
    //
    // Get interaction rate for pileup studies
    virtual void    SetInteractionRate(Float_t rate,Float_t timewindow = 90.e-6);
    virtual Float_t GetInteractionRate() const {return fInteractionRate;}
    // Get cross section of process
    virtual Float_t GetXsection() const {return fXsection;}
    // Get triggered jets
    void GetJets(Int_t& njets, Int_t& ntrig, Float_t jets[4][10]);
    void RecJetsUA1(Int_t& njets, Float_t jets[4][50]);
    void SetPycellParameters(Float_t etamax = 2., Int_t neta = 274, Int_t nphi = 432,
			     Float_t thresh = 0., Float_t etseed = 4.,
			     Float_t minet = 10., Float_t r = 1.);
    
    // Getters
    virtual Process_t    GetProcess() const {return fProcess;}
    virtual StrucFunc_t  GetStrucFunc() const {return fStrucFunc;}
    virtual void         GetPtHard(Float_t& ptmin, Float_t& ptmax) const
	{ptmin = fPtHardMin; ptmax = fPtHardMax;}
    virtual Float_t      GetEnergyCMS() const {return fEnergyCMS;}
    virtual void         GetNuclei(Int_t&  a1, Int_t& a2) const
	{a1 = fAProjectile; a2 = fATarget;}
    virtual void         GetJetEtRange(Float_t& etamin, Float_t& etamax) const
	{etamin = fEtaMinJet; etamax = fEtaMaxJet;}
    virtual void         GetJetPhiRange(Float_t& phimin, Float_t& phimax) const
	{phimin = fPhiMinJet*180./TMath::Pi(); phimax = fPhiMaxJet*180/TMath::Pi();}
    virtual void         GetGammaEtaRange(Float_t& etamin, Float_t& etamax) const
	{etamin = fEtaMinGamma; etamax = fEtaMaxGamma;}
    virtual void         GetGammaPhiRange(Float_t& phimin, Float_t& phimax) const
	{phimin = fPhiMinGamma*180./TMath::Pi(); phimax = fPhiMaxGamma*180./TMath::Pi();}
    //
    Bool_t IsInEMCAL(Float_t phi, Float_t eta);
    Bool_t IsInPHOS(Float_t phi, Float_t eta);
    //
    virtual void FinishRun();
    Bool_t CheckTrigger(TParticle* jet1, TParticle* jet2);
    //Used in some processes to selected child properties
    Bool_t CheckKinematicsOnChild();
    void     GetSubEventTime();

 protected:
    // adjust the weight from kinematic cuts
    void     AdjustWeights() const;
    Int_t    GenerateMB();
    void     MakeHeader();    
    void     GeneratePileup();
    AliPythiaBase *fPythia;         //!Pythia 
    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 for current event
    Int_t       fTrialsRun;         //!Number of trials for run
    Float_t     fQ;                 //Mean Q
    Float_t     fX1;                //Mean x1
    Float_t     fX2;                //Mean x2
    Float_t     fEventTime;         //Time of the subevent
    Float_t     fInteractionRate;   //Interaction rate (set by user)
    Float_t     fTimeWindow;        //Time window for pileup events (set by user)
    Int_t       fCurSubEvent;       //Index of the current sub-event
    TArrayF     *fEventsTime;       //Subevents time for pileup
    Int_t       fNev;               //Number of events 
    Int_t       fFlavorSelect;      //Heavy Flavor Selection
    Float_t     fXsection;          //Cross-section
    Float_t     fPtHardMin;         //lower pT-hard cut 
    Float_t     fPtHardMax;         //higher pT-hard cut
    Float_t     fYHardMin;          //lower  y-hard cut 
    Float_t     fYHardMax;          //higher y-hard cut
    Int_t       fGinit;             //initial state gluon radiation
    Int_t       fGfinal;            //final state gluon radiation
    Int_t       fHadronisation;     //hadronisation
    Int_t       fNpartons;          //Number of partons before hadronisation
    Int_t       fReadFromFile;      //read partons from file
    Int_t       fQuench;            //Flag for quenching
    Float_t     fPtKick;            //Transverse momentum kick
    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
    Float_t     fEtMinJet;          //Minimum et of triggered Jet
    Float_t     fEtMaxJet;          //Maximum et of triggered Jet
    Float_t     fEtaMinJet;         //Minimum eta of triggered Jet
    Float_t     fEtaMaxJet;         //Maximum eta of triggered Jet
    Float_t     fPhiMinJet;         //Minimum phi of triggered Jet
    Float_t     fPhiMaxJet;         //Maximum phi of triggered Jet
    Int_t       fJetReconstruction; //Jet Reconstruction mode 
    Float_t     fEtaMinGamma;       // Minimum eta of triggered gamma
    Float_t     fEtaMaxGamma;       // Maximum eta of triggered gamma
    Float_t     fPhiMinGamma;       // Minimum phi of triggered gamma
    Float_t     fPhiMaxGamma;       // Maximum phi of triggered gamma
    Float_t     fPycellEtaMax;      // Max. eta for Pycell 
    Int_t       fPycellNEta;        // Number of eta bins for Pycell 
    Int_t       fPycellNPhi;        // Number of phi bins for Pycell
    Float_t	fPycellThreshold;   // Pycell threshold
    Float_t 	fPycellEtSeed;      // Pycell seed
    Float_t	fPycellMinEtJet;    // Pycell min. jet et
    Float_t	fPycellMaxRadius;   // Pycell cone radius
    StackFillOpt_t fStackFillOpt;   // Stack filling with all particles with
                                    // that flavour or only with selected
                                    // parents and their decays
    Bool_t fFeedDownOpt;            // Option to set feed down from higher
                                    // quark families (e.g. b->c)
    Bool_t  fFragmentation;         // Option to activate fragmentation by Pythia
    Bool_t  fSetNuclei;             // Flag indicating that SetNuclei has been called
    Bool_t  fNewMIS;                // Flag for the new multipple interactions scenario
    Bool_t  fHFoff;                 // Flag for switching heafy flavor production off
    Int_t   fTriggerParticle;       // Trigger on this particle ...
    Float_t fTriggerEta;            // .. within |eta| < fTriggerEta
    CountMode_t fCountMode;         // Options for counting when the event will be finished.     
    // fCountMode = kCountAll         --> All particles that end up in the
    //                                    stack are counted
    // fCountMode = kCountParents     --> Only selected parents are counted
    // fCountMode = kCountTrackabless --> Only particles flagged for tracking
    //                                     are counted
    //
    //

    AliGenPythiaEventHeader* fHeader;  //! Event header
    AliRunLoader*            fRL;      //! Run Loader
    const Text_t* fFileName;           //! Name of file to read from


    Bool_t fFragPhotonInCalo; // Option to ask for Fragmentation Photon in calorimeters acceptance
    Bool_t fPi0InCalo;        // Option to ask for Pi0 in calorimeters acceptance
    Bool_t fPhotonInCalo;     // Option to ask for Decay Photon in calorimeter acceptance
    Bool_t fCheckEMCAL;       // Option to ask for FragPhoton or Pi0 in calorimeters EMCAL acceptance
    Bool_t fCheckPHOS;        // Option to ask for FragPhoton or Pi0 in calorimeters PHOS acceptance
    Bool_t fCheckPHOSeta;     // Option to ask for PHOS eta acceptance
    Float_t fFragPhotonOrPi0MinPt; // Minimum momentum of Fragmentation Photon or Pi0
    Float_t fPhotonMinPt;          // Minimum momentum of Photon 
    //Calorimeters eta-phi acceptance 
    Float_t fPHOSMinPhi;           // Minimum phi PHOS
    Float_t fPHOSMaxPhi;           // Maximum phi PHOS
    Float_t fPHOSEta;              // Minimum eta PHOS
    Float_t fEMCALMinPhi;          // Minimum phi EMCAL
    Float_t fEMCALMaxPhi;          // Maximum phi EMCAL
    Float_t fEMCALEta;             // Maximum eta EMCAL

 private:
    AliGenPythiaPlus(const AliGenPythiaPlus &Pythia);
    AliGenPythiaPlus & operator=(const AliGenPythiaPlus & rhs);

    ClassDef(AliGenPythiaPlus, 1) // AliGenerator interface to Pythia
};
#endif
Commit	Line	Data
39d810c8	1	#ifndef ALIGENPYTHIAPLUS_H
	2	#define ALIGENPYTHIAPLUS_H
	3	/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	4	* See cxx source for full Copyright notice */
	5
	6
	7	/* $Id$ */
	8
	9	//
	10	// Generator using the TPythia interface (via AliPythia)
	11	// to generate pp collisions.
	12	// Using SetNuclei() also nuclear modifications to the structure functions
	13	// can be taken into account. This makes, of course, only sense for the
	14	// generation of the products of hard processes (heavy flavor, jets ...)
	15	//
	16	// andreas.morsch@cern.ch
	17	//
	18
	19	#include "AliGenMC.h"
	20	#include "AliPythia.h"
	21
	22	class AliPythiaBase;
	23	class TParticle;
	24	class AliGenPythiaEventHeader;
	25	class AliGenEventHeader;
	26	class AliStack;
	27	class AliRunLoader;
	28
	29	class AliGenPythiaPlus : public AliGenMC
	30	{
	31	public:
	32
	33	typedef enum {kFlavorSelection, kParentSelection} StackFillOpt_t;
	34	typedef enum {kCountAll, kCountParents, kCountTrackables} CountMode_t;
	35	typedef enum {kCluster, kCell} JetRecMode_t;
	36
	37	AliGenPythiaPlus();
	38	AliGenPythiaPlus(AliPythiaBase* pythia);
	39	virtual ~AliGenPythiaPlus();
	40	virtual void Generate();
	41	virtual void Init();
	42	// Range of events to be printed
	43	virtual void SetEventListRange(Int_t eventFirst=-1, Int_t eventLast=-1);
	44	// Select process type
	45	virtual void SetProcess(Process_t proc = kPyCharm) {fProcess = proc;}
	46	// Select structure function
	47	virtual void SetStrucFunc(StrucFunc_t func = kCTEQ5L) {fStrucFunc = func;}
	48	// Select pt of hard scattering
	49	virtual void SetPtHard(Float_t ptmin = 0, Float_t ptmax = 1.e10)
	50	{fPtHardMin = ptmin; fPtHardMax = ptmax; }
	51	// y of hard scattering
	52	virtual void SetYHard(Float_t ymin = -1.e10, Float_t ymax = 1.e10)
	53	{fYHardMin = ymin; fYHardMax = ymax; }
	54	// Set initial and final state gluon radiation
	55	virtual void SetGluonRadiation(Int_t iIn, Int_t iFin)
	56	{fGinit = iIn; fGfinal = iFin;}
	57	// Intrinsic kT
	58	virtual void SetPtKick(Float_t kt = 1.)
	59	{fPtKick = kt;}
	60	// Use the Pythia 6.3 new multiple interations scenario
	61	virtual void UseNewMultipleInteractionsScenario() {fNewMIS = kTRUE;}
	62	// Switch off heavy flavors
	63	virtual void SwitchHFOff() {fHFoff = kTRUE;}
	64	// Set centre of mass energy
65	virtual void SetEnergyCMS(Float_t energy = 5500) {fEnergyCMS = energy;}
66	// Treat protons as inside nuclei with mass numbers a1 and a2
67	virtual void SetNuclei(Int_t a1, Int_t a2);
68	//
69	// Trigger options
70	//
71	// Energy range for jet trigger
72	virtual void SetJetEtRange(Float_t etmin = 0., Float_t etmax = 1.e4)
73	{fEtMinJet = etmin; fEtMaxJet = etmax;}
74	// Eta range for jet trigger
75	virtual void SetJetEtaRange(Float_t etamin = -20., Float_t etamax = 20.)
76	{fEtaMinJet = etamin; fEtaMaxJet = etamax;}
77	// Phi range for jet trigger
78	virtual void SetJetPhiRange(Float_t phimin = 0., Float_t phimax = 360.)
79	{fPhiMinJet = TMath::Pi()phimin/180.; fPhiMaxJet = TMath::Pi()phimax/180.;}
80	// Jet reconstruction mode; default is cone algorithm
81	virtual void SetJetReconstructionMode(Int_t mode = kCell) {fJetReconstruction = mode;}
82	// Eta range for gamma trigger
83	virtual void SetGammaEtaRange(Float_t etamin = -20., Float_t etamax = 20.)
84	{fEtaMinGamma = etamin; fEtaMaxGamma = etamax;}
85	// Phi range for gamma trigger
86	virtual void SetGammaPhiRange(Float_t phimin = 0., Float_t phimax = 360.)
87	{fPhiMinGamma = TMath::Pi()phimin/180.; fPhiMaxGamma = TMath::Pi()phimax/180.;}
88	// Select jets with fragmentation photon or pi0 going to PHOS or EMCAL
89	virtual void SetFragPhotonInCalo(Bool_t b) {fFragPhotonInCalo = b;}
90	virtual void SetPi0InCalo (Bool_t b) {fPi0InCalo = b;}
91	virtual void SetPhotonInCalo(Bool_t b) {fPhotonInCalo = b;}
92	virtual void SetCheckPHOS (Bool_t b) {fCheckPHOS = b;}
93	virtual void SetCheckEMCAL(Bool_t b) {fCheckEMCAL = b;}
94	virtual void SetFragPhotonInEMCAL(Bool_t b) {fCheckEMCAL = b; fFragPhotonInCalo = b;}
95	virtual void SetFragPhotonInPHOS(Bool_t b) {fCheckPHOS = b; fFragPhotonInCalo = b;}
96	virtual void SetPi0InEMCAL(Bool_t b) {fCheckEMCAL = b; fPi0InCalo = b;}
97	virtual void SetPi0InPHOS(Bool_t b) {fCheckPHOS = b; fPi0InCalo = b;}
98	virtual void SetPhotonInEMCAL(Bool_t b) {fCheckEMCAL = b; fPhotonInCalo = b;}
99	virtual void SetPhotonInPHOS(Bool_t b) {fCheckPHOS = b; fPhotonInCalo = b;}
100	virtual void SetPhotonInPHOSeta(Bool_t b) {fCheckPHOSeta = b; fPhotonInCalo = b;}
101	virtual void SetFragPhotonOrPi0MinPt(Float_t pt) {fFragPhotonOrPi0MinPt = pt;}
102	virtual void SetPhotonMinPt(Float_t pt) {fPhotonMinPt = pt;}
103	// Trigger and rotate event
104	void RotatePhi(Int_t iphcand, Bool_t& okdd);
105	// Trigger on a single particle
106	virtual void SetTriggerParticle(Int_t particle = 0, Float_t etamax = 0.9)
107	{fTriggerParticle = particle; fTriggerEta = etamax;}
108	//
109	// Heavy flavor options
110	//
111	// Set option for feed down from higher family
112	virtual void SetFeedDownHigherFamily(Bool_t opt) {
113	fFeedDownOpt = opt;
114	}
115	// Set option for selecting particles kept in stack according to flavor
116	// or to parent selection
117	virtual void SetStackFillOpt(StackFillOpt_t opt) {
118	fStackFillOpt = opt;
119	}
120	// Set fragmentation option
121	virtual void SetFragmentation(Bool_t opt) {
122	fFragmentation = opt;
123	}
124	// Set counting mode
125	virtual void SetCountMode(CountMode_t mode) {
126	fCountMode = mode;
127	}
128	//
129	// Quenching
130	//
131	// Set quenching mode 0 = no, 1 = AM, 2 = IL
132	virtual void SetQuench(Int_t flag = 0) {fQuench = flag;}
133	virtual void SetHadronisation(Int_t flag = 1) {fHadronisation = flag;}
134	virtual void SetReadFromFile(const Text_t *filname) {fFileName = filname; fReadFromFile = 1;}
135
136	//
137	// Pile-up
138	//
139	// Get interaction rate for pileup studies
140	virtual void SetInteractionRate(Float_t rate,Float_t timewindow = 90.e-6);
141	virtual Float_t GetInteractionRate() const {return fInteractionRate;}
142	// Get cross section of process
143	virtual Float_t GetXsection() const {return fXsection;}
144	// Get triggered jets
145	void GetJets(Int_t& njets, Int_t& ntrig, Float_t jets[4][10]);
146	void RecJetsUA1(Int_t& njets, Float_t jets[4][50]);
147	void SetPycellParameters(Float_t etamax = 2., Int_t neta = 274, Int_t nphi = 432,
148	Float_t thresh = 0., Float_t etseed = 4.,
149	Float_t minet = 10., Float_t r = 1.);
150
151	// Getters
152	virtual Process_t GetProcess() const {return fProcess;}
153	virtual StrucFunc_t GetStrucFunc() const {return fStrucFunc;}
154	virtual void GetPtHard(Float_t& ptmin, Float_t& ptmax) const
155	{ptmin = fPtHardMin; ptmax = fPtHardMax;}
156	virtual Float_t GetEnergyCMS() const {return fEnergyCMS;}
157	virtual void GetNuclei(Int_t& a1, Int_t& a2) const
158	{a1 = fAProjectile; a2 = fATarget;}
159	virtual void GetJetEtRange(Float_t& etamin, Float_t& etamax) const
160	{etamin = fEtaMinJet; etamax = fEtaMaxJet;}
161	virtual void GetJetPhiRange(Float_t& phimin, Float_t& phimax) const
162	{phimin = fPhiMinJet180./TMath::Pi(); phimax = fPhiMaxJet180/TMath::Pi();}
163	virtual void GetGammaEtaRange(Float_t& etamin, Float_t& etamax) const
164	{etamin = fEtaMinGamma; etamax = fEtaMaxGamma;}
165	virtual void GetGammaPhiRange(Float_t& phimin, Float_t& phimax) const
166	{phimin = fPhiMinGamma180./TMath::Pi(); phimax = fPhiMaxGamma180./TMath::Pi();}
167	//
168	Bool_t IsInEMCAL(Float_t phi, Float_t eta);
169	Bool_t IsInPHOS(Float_t phi, Float_t eta);
170	//
171	virtual void FinishRun();
172	Bool_t CheckTrigger(TParticle* jet1, TParticle* jet2);
173	//Used in some processes to selected child properties
174	Bool_t CheckKinematicsOnChild();
175	void GetSubEventTime();
176
177	protected:
178	// adjust the weight from kinematic cuts
179	void AdjustWeights() const;
180	Int_t GenerateMB();
181	void MakeHeader();
182	void GeneratePileup();
183	AliPythiaBase *fPythia; //!Pythia
184	Process_t fProcess; //Process type
185	StrucFunc_t fStrucFunc; //Structure Function
186	Float_t fEnergyCMS; //Centre of mass energy
187	Float_t fKineBias; //!Bias from kinematic selection
188	Int_t fTrials; //!Number of trials for current event
189	Int_t fTrialsRun; //!Number of trials for run
190	Float_t fQ; //Mean Q
191	Float_t fX1; //Mean x1
192	Float_t fX2; //Mean x2
193	Float_t fEventTime; //Time of the subevent
194	Float_t fInteractionRate; //Interaction rate (set by user)
195	Float_t fTimeWindow; //Time window for pileup events (set by user)
196	Int_t fCurSubEvent; //Index of the current sub-event
197	TArrayF *fEventsTime; //Subevents time for pileup
198	Int_t fNev; //Number of events
199	Int_t fFlavorSelect; //Heavy Flavor Selection
200	Float_t fXsection; //Cross-section
201	Float_t fPtHardMin; //lower pT-hard cut
202	Float_t fPtHardMax; //higher pT-hard cut
203	Float_t fYHardMin; //lower y-hard cut
204	Float_t fYHardMax; //higher y-hard cut
205	Int_t fGinit; //initial state gluon radiation
206	Int_t fGfinal; //final state gluon radiation
207	Int_t fHadronisation; //hadronisation
208	Int_t fNpartons; //Number of partons before hadronisation
209	Int_t fReadFromFile; //read partons from file
210	Int_t fQuench; //Flag for quenching
211	Float_t fPtKick; //Transverse momentum kick
212	Bool_t fFullEvent; //!Write Full event if true
213	AliDecayer *fDecayer; //!Pointer to the decayer instance
214	Int_t fDebugEventFirst; //!First event to debug
215	Int_t fDebugEventLast; //!Last event to debug
216	Float_t fEtMinJet; //Minimum et of triggered Jet
217	Float_t fEtMaxJet; //Maximum et of triggered Jet
218	Float_t fEtaMinJet; //Minimum eta of triggered Jet
219	Float_t fEtaMaxJet; //Maximum eta of triggered Jet
220	Float_t fPhiMinJet; //Minimum phi of triggered Jet
221	Float_t fPhiMaxJet; //Maximum phi of triggered Jet
222	Int_t fJetReconstruction; //Jet Reconstruction mode
223	Float_t fEtaMinGamma; // Minimum eta of triggered gamma
224	Float_t fEtaMaxGamma; // Maximum eta of triggered gamma
225	Float_t fPhiMinGamma; // Minimum phi of triggered gamma
226	Float_t fPhiMaxGamma; // Maximum phi of triggered gamma
227	Float_t fPycellEtaMax; // Max. eta for Pycell
228	Int_t fPycellNEta; // Number of eta bins for Pycell
229	Int_t fPycellNPhi; // Number of phi bins for Pycell
230	Float_t fPycellThreshold; // Pycell threshold
231	Float_t fPycellEtSeed; // Pycell seed
232	Float_t fPycellMinEtJet; // Pycell min. jet et
233	Float_t fPycellMaxRadius; // Pycell cone radius
234	StackFillOpt_t fStackFillOpt; // Stack filling with all particles with
235	// that flavour or only with selected
236	// parents and their decays
237	Bool_t fFeedDownOpt; // Option to set feed down from higher
238	// quark families (e.g. b->c)
239	Bool_t fFragmentation; // Option to activate fragmentation by Pythia
240	Bool_t fSetNuclei; // Flag indicating that SetNuclei has been called
241	Bool_t fNewMIS; // Flag for the new multipple interactions scenario
242	Bool_t fHFoff; // Flag for switching heafy flavor production off
243	Int_t fTriggerParticle; // Trigger on this particle ...
244	Float_t fTriggerEta; // .. within \|eta\| < fTriggerEta
245	CountMode_t fCountMode; // Options for counting when the event will be finished.
246	// fCountMode = kCountAll --> All particles that end up in the
247	// stack are counted
248	// fCountMode = kCountParents --> Only selected parents are counted
249	// fCountMode = kCountTrackabless --> Only particles flagged for tracking
250	// are counted
251	//
252	//
253
254	AliGenPythiaEventHeader* fHeader; //! Event header
255	AliRunLoader* fRL; //! Run Loader
256	const Text_t* fFileName; //! Name of file to read from
257
258
259	Bool_t fFragPhotonInCalo; // Option to ask for Fragmentation Photon in calorimeters acceptance
260	Bool_t fPi0InCalo; // Option to ask for Pi0 in calorimeters acceptance
261	Bool_t fPhotonInCalo; // Option to ask for Decay Photon in calorimeter acceptance
262	Bool_t fCheckEMCAL; // Option to ask for FragPhoton or Pi0 in calorimeters EMCAL acceptance
263	Bool_t fCheckPHOS; // Option to ask for FragPhoton or Pi0 in calorimeters PHOS acceptance
264	Bool_t fCheckPHOSeta; // Option to ask for PHOS eta acceptance
265	Float_t fFragPhotonOrPi0MinPt; // Minimum momentum of Fragmentation Photon or Pi0
266	Float_t fPhotonMinPt; // Minimum momentum of Photon
267	//Calorimeters eta-phi acceptance
268	Float_t fPHOSMinPhi; // Minimum phi PHOS
269	Float_t fPHOSMaxPhi; // Maximum phi PHOS
270	Float_t fPHOSEta; // Minimum eta PHOS
271	Float_t fEMCALMinPhi; // Minimum phi EMCAL
272	Float_t fEMCALMaxPhi; // Maximum phi EMCAL
273	Float_t fEMCALEta; // Maximum eta EMCAL
274
275	private:
276	AliGenPythiaPlus(const AliGenPythiaPlus &Pythia);
277	AliGenPythiaPlus & operator=(const AliGenPythiaPlus & rhs);
278
279	ClassDef(AliGenPythiaPlus, 1) // AliGenerator interface to Pythia
280	};
281	#endif
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