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8d2cd130 1#ifndef ALIGENPYTHIA_H
2#define ALIGENPYTHIA_H
3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
cf57b268 6
8d2cd130 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
22class AliPythia;
23class TParticle;
e5c87a3d 24class AliGenPythiaEventHeader;
cf57b268 25class AliGenEventHeader;
32d6ef7d 26class AliStack;
5fa4b20b 27class AliRunLoader;
1058d9df 28class TObjArray;
5fa4b20b 29
8d2cd130 30class AliGenPythia : public AliGenMC
31{
32 public:
33
06956108 34 typedef enum {kFlavorSelection, kParentSelection, kHeavyFlavor} StackFillOpt_t;
8d2cd130 35 typedef enum {kCountAll, kCountParents, kCountTrackables} CountMode_t;
36 typedef enum {kCluster, kCell} JetRecMode_t;
37
38 AliGenPythia();
39 AliGenPythia(Int_t npart);
8d2cd130 40 virtual ~AliGenPythia();
41 virtual void Generate();
42 virtual void Init();
90a236ce 43 // Range of events to be printed
8d2cd130 44 virtual void SetEventListRange(Int_t eventFirst=-1, Int_t eventLast=-1);
90a236ce 45 // Select process type
8d2cd130 46 virtual void SetProcess(Process_t proc = kPyCharm) {fProcess = proc;}
f6a15f5c 47 virtual void SetTune(Int_t itune) {fItune = itune;}
20e47f08 48
90a236ce 49 // Select structure function
fa49ba58 50 virtual void SetStrucFunc(StrucFunc_t func = kCTEQ5L) {fStrucFunc = func;}
90a236ce 51 // Select pt of hard scattering
8d2cd130 52 virtual void SetPtHard(Float_t ptmin = 0, Float_t ptmax = 1.e10)
53 {fPtHardMin = ptmin; fPtHardMax = ptmax; }
90a236ce 54 // y of hard scattering
8d2cd130 55 virtual void SetYHard(Float_t ymin = -1.e10, Float_t ymax = 1.e10)
56 {fYHardMin = ymin; fYHardMax = ymax; }
57 // Set initial and final state gluon radiation
58 virtual void SetGluonRadiation(Int_t iIn, Int_t iFin)
59 {fGinit = iIn; fGfinal = iFin;}
036662e5 60 virtual void SetColorReconnectionOff(Int_t iflag=0){fCRoff=iflag;}
61 // Intrinsic kT
8d2cd130 62 virtual void SetPtKick(Float_t kt = 1.)
63 {fPtKick = kt;}
beac474c 64 // Use the Pythia 6.3 new multiple interations scenario
65 virtual void UseNewMultipleInteractionsScenario() {fNewMIS = kTRUE;}
66 // Switch off heavy flavors
67 virtual void SwitchHFOff() {fHFoff = kTRUE;}
90a236ce 68 // Set centre of mass energy
8d2cd130 69 virtual void SetEnergyCMS(Float_t energy = 5500) {fEnergyCMS = energy;}
90a236ce 70 // Treat protons as inside nuclei with mass numbers a1 and a2
20e47f08 71 virtual void SetNuclei(Int_t a1, Int_t a2, Int_t pdfset = 0);
e28ccdaf 72 // Set colliding nuclei ("p","n",...)
73 virtual void SetCollisionSystem(TString projectile, TString target) { fProjectile = projectile; fTarget = target; }
66f02a7f 74 virtual void SetNuclearPDF(Int_t pdf) {fNucPdf = pdf;}
fb355e51 75 virtual void SetUseNuclearPDF(Bool_t val) {fUseNuclearPDF = val;}
76 virtual void SetUseLorentzBoost(Bool_t val) {fUseLorentzBoost = val;}
90a236ce 77 //
78 // Trigger options
79 //
80 // Energy range for jet trigger
8d2cd130 81 virtual void SetJetEtRange(Float_t etmin = 0., Float_t etmax = 1.e4)
82 {fEtMinJet = etmin; fEtMaxJet = etmax;}
90a236ce 83 // Eta range for jet trigger
8d2cd130 84 virtual void SetJetEtaRange(Float_t etamin = -20., Float_t etamax = 20.)
85 {fEtaMinJet = etamin; fEtaMaxJet = etamax;}
90a236ce 86 // Phi range for jet trigger
8d2cd130 87 virtual void SetJetPhiRange(Float_t phimin = 0., Float_t phimax = 360.)
88 {fPhiMinJet = TMath::Pi()*phimin/180.; fPhiMaxJet = TMath::Pi()*phimax/180.;}
90a236ce 89 // Jet reconstruction mode; default is cone algorithm
90 virtual void SetJetReconstructionMode(Int_t mode = kCell) {fJetReconstruction = mode;}
91 // Eta range for gamma trigger
8d2cd130 92 virtual void SetGammaEtaRange(Float_t etamin = -20., Float_t etamax = 20.)
93 {fEtaMinGamma = etamin; fEtaMaxGamma = etamax;}
90a236ce 94 // Phi range for gamma trigger
8d2cd130 95 virtual void SetGammaPhiRange(Float_t phimin = 0., Float_t phimax = 360.)
96 {fPhiMinGamma = TMath::Pi()*phimin/180.; fPhiMaxGamma = TMath::Pi()*phimax/180.;}
40fe59d4 97
98 // Select events with fragmentation photon, decay photon, pi0 or eta going to PHOS or EMCAL and central barrel
e81f2bac 99 virtual Bool_t TriggerOnSelectedParticles(Int_t np);
40fe59d4 100
101 virtual void SetCheckPHOS (Bool_t b) {fCheckPHOS = b;}
102 virtual void SetCheckEMCAL (Bool_t b) {fCheckEMCAL = b;}
103 virtual void SetCheckBarrel (Bool_t b) {fCheckBarrel = b;}
104
105 //virtual void SetElectronInEMCAL (Bool_t b) {fEleInEMCAL = b;}
106 //virtual void SetPhotonInPHOS (Bool_t b) {fCheckPHOS = b; fPhotonInCalo = b;} // Not in use
700b9416 107
40fe59d4 108 virtual void SetFragPhotonInCalo (Bool_t b) { fFragPhotonInCalo = b;}
109 virtual void SetFragPhotonInBarrel(Bool_t b) {fCheckBarrel = b; fFragPhotonInCalo = b;}
110 virtual void SetFragPhotonInEMCAL (Bool_t b) {fCheckEMCAL = b; fFragPhotonInCalo = b;}
111 virtual void SetFragPhotonInPHOS (Bool_t b) {fCheckPHOS = b; fFragPhotonInCalo = b;}
112
113 virtual void SetHadronInCalo (Bool_t b) { fHadronInCalo = b;}
114 virtual void SetHadronInBarrel (Bool_t b) {fCheckBarrel = b; fHadronInCalo = b;}
115 virtual void SetHadronInEMCAL (Bool_t b) {fCheckEMCAL = b; fHadronInCalo = b;}
116 virtual void SetHadronInPHOS (Bool_t b) {fCheckPHOS = b; fHadronInCalo = b;}
117
118 virtual void SetElectronInCalo (Bool_t b) { fEleInCalo = b;}
119 virtual void SetElectronInBarrel (Bool_t b) {fCheckBarrel = b; fEleInCalo = b;}
120 virtual void SetElectronInEMCAL (Bool_t b) {fCheckEMCAL = b; fEleInCalo = b;}
121 virtual void SetElectronInPHOS (Bool_t b) {fCheckPHOS = b; fEleInCalo = b;}
122
123 virtual void SetDecayPhotonInCalo (Bool_t d) {fDecayPhotonInCalo = d;}
124 virtual void SetDecayPhotonInBarrel(Bool_t d) {fDecayPhotonInCalo = d; fCheckBarrel = d;}
125 virtual void SetDecayPhotonInEMCAL(Bool_t d) {fDecayPhotonInCalo = d; fCheckEMCAL = d;}
126 virtual void SetDecayPhotonInPHOS (Bool_t d) {fDecayPhotonInCalo = d; fCheckPHOS = d;}
127
128 virtual void SetPi0InCalo (Bool_t b, Bool_t f = kFALSE) {fPi0InCalo = b; fForceNeutralMeson2PhotonDecay = f;}
129 virtual void SetPi0InBarrel (Bool_t b, Bool_t f = kFALSE) {fPi0InCalo = b; fForceNeutralMeson2PhotonDecay = f; fCheckBarrel= b; }
130 virtual void SetPi0InEMCAL (Bool_t b, Bool_t f = kFALSE) {fPi0InCalo = b; fForceNeutralMeson2PhotonDecay = f; fCheckEMCAL = b; }
131 virtual void SetPi0InPHOS (Bool_t b, Bool_t f = kFALSE) {fPi0InCalo = b; fForceNeutralMeson2PhotonDecay = f; fCheckPHOS = b; }
132
133 virtual void SetEtaInCalo (Bool_t b, Bool_t f = kFALSE) {fEtaInCalo = b; fForceNeutralMeson2PhotonDecay = f;}
134 virtual void SetEtaInBarrel (Bool_t b, Bool_t f = kFALSE) {fEtaInCalo = b; fForceNeutralMeson2PhotonDecay = f; fCheckBarrel= b; }
135 virtual void SetEtaInEMCAL (Bool_t b, Bool_t f = kFALSE) {fEtaInCalo = b; fForceNeutralMeson2PhotonDecay = f; fCheckEMCAL = b; }
136 virtual void SetEtaInPHOS (Bool_t b, Bool_t f = kFALSE) {fEtaInCalo = b; fForceNeutralMeson2PhotonDecay = f; fCheckPHOS = b; }
137
138 virtual void SetPi0PhotonDecayInBarrel(Bool_t b, Bool_t f = kFALSE) {fPi0InCalo = b; fDecayPhotonInCalo = b; fForceNeutralMeson2PhotonDecay = f; fCheckBarrel = b; }
139 virtual void SetPi0PhotonDecayInEMCAL (Bool_t b, Bool_t f = kFALSE) {fPi0InCalo = b; fDecayPhotonInCalo = b; fForceNeutralMeson2PhotonDecay = f; fCheckEMCAL = b; }
140 virtual void SetPi0PhotonDecayInPHOS (Bool_t b, Bool_t f = kFALSE) {fPi0InCalo = b; fDecayPhotonInCalo = b; fForceNeutralMeson2PhotonDecay = f; fCheckPHOS = b; }
141
142 virtual void SetEtaPhotonDecayInBarrel(Bool_t b, Bool_t f = kFALSE) {fEtaInCalo = b; fDecayPhotonInCalo = b; fForceNeutralMeson2PhotonDecay = f; fCheckBarrel = b; }
143 virtual void SetEtaPhotonDecayInEMCAL (Bool_t b, Bool_t f = kFALSE) {fEtaInCalo = b; fDecayPhotonInCalo = b; fForceNeutralMeson2PhotonDecay = f; fCheckEMCAL = b; }
144 virtual void SetEtaPhotonDecayInPHOS (Bool_t b, Bool_t f = kFALSE) {fEtaInCalo = b; fDecayPhotonInCalo = b; fForceNeutralMeson2PhotonDecay = f; fCheckPHOS = b; }
145
146
700b9416 147 // Trigger on a minimum multiplicity
38112f3f 148 virtual void SetTriggerChargedMultiplicity(Int_t multiplicity, Float_t etamax = 0, Float_t ptmin = -1.)
149 {fTriggerMultiplicity = multiplicity; fTriggerMultiplicityEta = etamax;
150 fTriggerMultiplicityPtMin = ptmin;}
440c2873 151
152 // Trigger on a minimum multiplicity for a given eta range
153 virtual void SetTriggerMultiplicityEtaRange(Int_t multiplicity, Float_t etamin = 0., Float_t etamax = 0., Float_t ptmin = -1.)
154 {fTriggerMultiplicity = multiplicity; fTriggerMultiplicityEtaMin = etamin; fTriggerMultiplicityEtaMax = etamax;
155 fTriggerMultiplicityPtMin = ptmin;}
156
43e3b80a 157 // Calorimeters acceptance
158 // Set Phi in degrees, and Eta coverage, should not be negative
40fe59d4 159 virtual void SetBarrelAcceptance(Float_t deta) {fTriggerEta = deta ;}
160 virtual void SetEMCALAcceptance (Float_t phimin, Float_t phimax, Float_t deta) {fEMCALMinPhi = phimin ; fEMCALMaxPhi = phimax ; fEMCALEta = deta ; }
161 virtual void SetPHOSAcceptance (Float_t phimin, Float_t phimax, Float_t deta) {fPHOSMinPhi = phimin ; fPHOSMaxPhi = phimax ; fPHOSEta = deta ; }
162 virtual void SetRotateParticleInPHOSeta(Bool_t b) {fCheckPHOSeta = b;}
163
43e3b80a 164 virtual void SetTriggerParticleMinPt(Float_t pt) {fTriggerParticleMinPt = pt;}
40fe59d4 165// virtual void SetPhotonMinPt(Float_t pt) {fPhotonMinPt = pt;}
166// virtual void SetElectronMinPt(Float_t pt) {fElectronMinPt = pt;}
90a236ce 167 // Trigger and rotate event
40fe59d4 168 void RotatePhi(Bool_t& okdd);
169
170 // Trigger on a single particle (not related to calorimeter trigger above)
2591bd0e 171 virtual void SetTriggerParticle(Int_t particle = 0, Float_t etamax = 0.9, Float_t ptmin = -1, Float_t ptmax = 1000)
1f0caa6a 172 {fTriggerParticle = particle; fTriggerEta = etamax; fTriggerEtaMin = etamax; fTriggerMinPt = ptmin; fTriggerMaxPt = ptmax;}
173 virtual void SetTriggerParticle(Int_t particle, Float_t etamin, Float_t etamax, Float_t ptmin, Float_t ptmax)
174 {fTriggerParticle = particle; fTriggerEtaMin = etamin, fTriggerEta = etamax; fTriggerMinPt = ptmin; fTriggerMaxPt = ptmax;}
2591bd0e 175
90a236ce 176 //
177 // Heavy flavor options
178 //
8d2cd130 179 // Set option for feed down from higher family
180 virtual void SetFeedDownHigherFamily(Bool_t opt) {
90a236ce 181 fFeedDownOpt = opt;
8d2cd130 182 }
183 // Set option for selecting particles kept in stack according to flavor
184 // or to parent selection
185 virtual void SetStackFillOpt(StackFillOpt_t opt) {
90a236ce 186 fStackFillOpt = opt;
8d2cd130 187 }
188 // Set fragmentation option
c125238c 189 virtual void SetFragmentation(Bool_t opt) {
90a236ce 190 fFragmentation = opt;
8d2cd130 191 }
192 // Set counting mode
c125238c 193 virtual void SetCountMode(CountMode_t mode) {
90a236ce 194 fCountMode = mode;
8d2cd130 195 }
90a236ce 196 //
197 // Quenching
198 //
cd07c39b 199 // Set quenching mode 0 = no, 1 = AM, 2 = IL, 3 = NA, 4 = ACS
7ea3ea5b 200 virtual void SetQuench(Int_t flag = 0) {fQuench = flag;}
cd07c39b 201 // Set transport coefficient.
202 void SetQhat(Float_t qhat) {fQhat = qhat;}
203 //Set initial medium length.
204 void SetLength(Float_t length) {fLength = length;}
66b8652c 205 //set parameters for pyquen afterburner
206 virtual void SetPyquenPar(Float_t t0=1., Float_t tau0=0.1, Int_t nf=0,Int_t iengl=0, Int_t iangl=3)
207 {fpyquenT = t0; fpyquenTau = tau0; fpyquenNf=nf;fpyquenEloss=iengl;fpyquenAngle=iangl;}
5fa4b20b 208 virtual void SetHadronisation(Int_t flag = 1) {fHadronisation = flag;}
03358a32 209 virtual void SetPatchOmegaDalitz(Int_t flag = 1) {fPatchOmegaDalitz = flag;}
d7d0c637 210 virtual void SetDecayerExodus(Int_t flag = 1) {fDecayerExodus = flag;}
777e69b0 211 virtual void SetReadFromFile(const Text_t *filname) {fkFileName = filname; fReadFromFile = 1;}
64da86aa 212 virtual void SetReadLHEF(const Text_t *filename) {fkNameLHEF = filename; fReadLHEF = 1;}
90a236ce 213
214 //
215 // Pile-up
216 //
217 // Get interaction rate for pileup studies
9d7108a7 218 virtual void SetInteractionRate(Float_t rate,Float_t timewindow = 90.e-6);
219 virtual Float_t GetInteractionRate() const {return fInteractionRate;}
8d2cd130 220 // get cross section of process
221 virtual Float_t GetXsection() const {return fXsection;}
222 // get triggered jets
7184e472 223 void GetJets(Int_t& njets, Int_t& ntrig, Float_t jets[4][10]);
014a9521 224 void RecJetsUA1(Int_t& njets, Float_t jets[4][50]);
592f8307 225 void SetPycellParameters(Float_t etamax = 2., Int_t neta = 274, Int_t nphi = 432,
226 Float_t thresh = 0., Float_t etseed = 4.,
227 Float_t minet = 10., Float_t r = 1.);
228
1058d9df 229 void LoadEvent(AliStack* stack, Int_t flag = 0, Int_t reHadr = 0);
c2fc9d31 230 void LoadEvent(const TObjArray* stack, Int_t flag = 0, Int_t reHadr = 0);
8d2cd130 231 // Getters
7184e472 232 virtual Process_t GetProcess() const {return fProcess;}
233 virtual StrucFunc_t GetStrucFunc() const {return fStrucFunc;}
234 virtual void GetPtHard(Float_t& ptmin, Float_t& ptmax) const
35346e8d 235 {ptmin = fPtHardMin; ptmax = fPtHardMax;}
7184e472 236 virtual void GetNuclei(Int_t& a1, Int_t& a2) const
1a626d4e 237 {a1 = fAProjectile; a2 = fATarget;}
7184e472 238 virtual void GetJetEtRange(Float_t& etamin, Float_t& etamax) const
8d2cd130 239 {etamin = fEtaMinJet; etamax = fEtaMaxJet;}
7184e472 240 virtual void GetJetPhiRange(Float_t& phimin, Float_t& phimax) const
8d2cd130 241 {phimin = fPhiMinJet*180./TMath::Pi(); phimax = fPhiMaxJet*180/TMath::Pi();}
7184e472 242 virtual void GetGammaEtaRange(Float_t& etamin, Float_t& etamax) const
8d2cd130 243 {etamin = fEtaMinGamma; etamax = fEtaMaxGamma;}
7184e472 244 virtual void GetGammaPhiRange(Float_t& phimin, Float_t& phimax) const
8d2cd130 245 {phimin = fPhiMinGamma*180./TMath::Pi(); phimax = fPhiMaxGamma*180./TMath::Pi();}
246 //
e81f2bac 247 Bool_t CheckDetectorAcceptance(Float_t phi, Float_t eta, Int_t iparticle);
248 Bool_t IsInEMCAL (Float_t phi, Float_t eta) const;
249 Bool_t IsInPHOS (Float_t phi, Float_t eta, Int_t iparticle) ;
250 Bool_t IsInBarrel(Float_t eta) const;
06956108 251 Bool_t IsFromHeavyFlavor(Int_t ipart);
ec2c406e 252 //
8d2cd130 253 virtual void FinishRun();
c2fc9d31 254 Bool_t CheckTrigger(const TParticle* jet1, const TParticle* jet2);
0f6ee828 255 //Used in some processes to selected child properties
aea21c57 256 Bool_t CheckKinematicsOnChild();
9d7108a7 257 void GetSubEventTime();
dbd64db6 258
800be8b7 259 void SetTuneForDiff(Bool_t a=kTRUE) {fkTuneForDiff=a;}
1cf66fc9 260 AliDecayer * GetDecayer(){return fDecayer;}
800be8b7 261
8d2cd130 262 protected:
263 // adjust the weight from kinematic cuts
7184e472 264 void AdjustWeights() const;
f913ec4f 265 Int_t GenerateMB();
266 void MakeHeader();
9d7108a7 267 void GeneratePileup();
8d2cd130 268 Process_t fProcess; //Process type
efe3b1cd 269 Int_t fItune; // Pythia tune > 6.4
8d2cd130 270 StrucFunc_t fStrucFunc; //Structure Function
8d2cd130 271 Float_t fKineBias; //!Bias from kinematic selection
272 Int_t fTrials; //!Number of trials for current event
273 Int_t fTrialsRun; //!Number of trials for run
274 Float_t fQ; //Mean Q
275 Float_t fX1; //Mean x1
276 Float_t fX2; //Mean x2
f913ec4f 277 Float_t fEventTime; //Time of the subevent
278 Float_t fInteractionRate; //Interaction rate (set by user)
9d7108a7 279 Float_t fTimeWindow; //Time window for pileup events (set by user)
280 Int_t fCurSubEvent; //Index of the current sub-event
281 TArrayF *fEventsTime; //Subevents time for pileup
8d2cd130 282 Int_t fNev; //Number of events
283 Int_t fFlavorSelect; //Heavy Flavor Selection
284 Float_t fXsection; //Cross-section
285 AliPythia *fPythia; //!Pythia
286 Float_t fPtHardMin; //lower pT-hard cut
287 Float_t fPtHardMax; //higher pT-hard cut
288 Float_t fYHardMin; //lower y-hard cut
289 Float_t fYHardMax; //higher y-hard cut
8d2cd130 290 Int_t fGinit; //initial state gluon radiation
291 Int_t fGfinal; //final state gluon radiation
036662e5 292 Int_t fCRoff; //color reconnection off in the pythia6 annealying model
5fa4b20b 293 Int_t fHadronisation; //hadronisation
03358a32 294 Bool_t fPatchOmegaDalitz; //flag for omega dalitz decay patch
d7d0c637 295 Bool_t fDecayerExodus; //flag for exodus decayer
5fa4b20b 296 Int_t fNpartons; //Number of partons before hadronisation
297 Int_t fReadFromFile; //read partons from file
64da86aa 298 Int_t fReadLHEF; //read lhef file
7ea3ea5b 299 Int_t fQuench; //Flag for quenching
cd07c39b 300 Float_t fQhat; //Transport coefficient (GeV^2/fm)
301 Float_t fLength; //Medium length (fm)
66b8652c 302 Float_t fpyquenT; //Pyquen initial temperature
303 Float_t fpyquenTau; //Pyquen initial proper time
304 Int_t fpyquenNf; //Pyquen number of flavours into the game
305 Int_t fpyquenEloss; //Pyquen type of energy loss
306 Int_t fpyquenAngle; //Pyquen radiation angle for gluons
e6fe9b82 307 Float_t fImpact; //Impact parameter for quenching simulation (q-pythia)
8d2cd130 308 Float_t fPtKick; //Transverse momentum kick
309 Bool_t fFullEvent; //!Write Full event if true
310 AliDecayer *fDecayer; //!Pointer to the decayer instance
311 Int_t fDebugEventFirst; //!First event to debug
312 Int_t fDebugEventLast; //!Last event to debug
313 Float_t fEtMinJet; //Minimum et of triggered Jet
314 Float_t fEtMaxJet; //Maximum et of triggered Jet
315 Float_t fEtaMinJet; //Minimum eta of triggered Jet
316 Float_t fEtaMaxJet; //Maximum eta of triggered Jet
317 Float_t fPhiMinJet; //Minimum phi of triggered Jet
318 Float_t fPhiMaxJet; //Maximum phi of triggered Jet
319 Int_t fJetReconstruction; //Jet Reconstruction mode
320 Float_t fEtaMinGamma; // Minimum eta of triggered gamma
321 Float_t fEtaMaxGamma; // Maximum eta of triggered gamma
322 Float_t fPhiMinGamma; // Minimum phi of triggered gamma
323 Float_t fPhiMaxGamma; // Maximum phi of triggered gamma
592f8307 324 Float_t fPycellEtaMax; // Max. eta for Pycell
325 Int_t fPycellNEta; // Number of eta bins for Pycell
326 Int_t fPycellNPhi; // Number of phi bins for Pycell
327 Float_t fPycellThreshold; // Pycell threshold
328 Float_t fPycellEtSeed; // Pycell seed
329 Float_t fPycellMinEtJet; // Pycell min. jet et
330 Float_t fPycellMaxRadius; // Pycell cone radius
8d2cd130 331 StackFillOpt_t fStackFillOpt; // Stack filling with all particles with
332 // that flavour or only with selected
333 // parents and their decays
334 Bool_t fFeedDownOpt; // Option to set feed down from higher
335 // quark families (e.g. b->c)
90a236ce 336 Bool_t fFragmentation; // Option to activate fragmentation by Pythia
337 Bool_t fSetNuclei; // Flag indicating that SetNuclei has been called
fb355e51 338 Bool_t fUseNuclearPDF; // flag if nuclear pdf should be applied
339 Bool_t fUseLorentzBoost; // flag if lorentz boost should be applied
90a236ce 340 Bool_t fNewMIS; // Flag for the new multipple interactions scenario
341 Bool_t fHFoff; // Flag for switching heafy flavor production off
20e47f08 342 Int_t fNucPdf; // Nuclear pdf 0: EKS98 1: EPS08
90a236ce 343 Int_t fTriggerParticle; // Trigger on this particle ...
344 Float_t fTriggerEta; // .. within |eta| < fTriggerEta
1f0caa6a 345 Float_t fTriggerEtaMin; // .. within fTriggerEtaMin < eta < fTriggerEta
2591bd0e 346 Float_t fTriggerMinPt; // .. within pt > fTriggerMinPt
347 Float_t fTriggerMaxPt; // .. within pt < fTriggerMaxPt
38112f3f 348 Int_t fTriggerMultiplicity; // Trigger on events with a minimum charged multiplicity
349 Float_t fTriggerMultiplicityEta; // in a given eta range
440c2873 350 Float_t fTriggerMultiplicityEtaMin; // in a given eta min
351 Float_t fTriggerMultiplicityEtaMax; // in a given eta max
38112f3f 352 Float_t fTriggerMultiplicityPtMin; // above this pT
90a236ce 353 CountMode_t fCountMode; // Options for counting when the event will be finished.
8d2cd130 354 // fCountMode = kCountAll --> All particles that end up in the
355 // stack are counted
356 // fCountMode = kCountParents --> Only selected parents are counted
357 // fCountMode = kCountTrackabless --> Only particles flagged for tracking
358 // are counted
359 //
90a236ce 360 //
361
362 AliGenPythiaEventHeader* fHeader; //! Event header
363 AliRunLoader* fRL; //! Run Loader
777e69b0 364 const Text_t* fkFileName; //! Name of file to read from
64da86aa 365 const Text_t* fkNameLHEF; //! Name of lhef file to read from
90a236ce 366 Bool_t fFragPhotonInCalo; // Option to ask for Fragmentation Photon in calorimeters acceptance
43e3b80a 367 Bool_t fHadronInCalo; // Option to ask for hadron (not pi0) in calorimeters acceptance
90a236ce 368 Bool_t fPi0InCalo; // Option to ask for Pi0 in calorimeters acceptance
40fe59d4 369 Bool_t fEtaInCalo; // Option to ask for Eta in calorimeters acceptance
370 Bool_t fPhotonInCalo; // Option to ask for Photon in calorimeter acceptance (not in use)
371 Bool_t fDecayPhotonInCalo;// Option to ask for Decay Photon in calorimeter acceptance
372 Bool_t fForceNeutralMeson2PhotonDecay; // Option to ask for Pi0/Eta in calorimeters acceptance when decay into 2 photons
373 Bool_t fEleInCalo; // Option to ask for Electron in EMCAL acceptance
374 Bool_t fEleInEMCAL; // Option to ask for Electron in EMCAL acceptance (not in use)
375 Bool_t fCheckBarrel; // Option to ask for FragPhoton or Pi0 or Eta or gamma decays in central barrel acceptance
376 Bool_t fCheckEMCAL; // Option to ask for FragPhoton or Pi0 or Eta or gamma decays in calorimeters EMCAL acceptance
377 Bool_t fCheckPHOS; // Option to ask for FragPhoton or Pi0 or Eta or gamma decays in calorimeters PHOS acceptance
378 Bool_t fCheckPHOSeta; // Option to ask for rotate event particles in phi to have in PHOS acceptance a requested particle that previously had the good eta
379 Int_t fPHOSRotateCandidate; // Internal member to select the particle candidate to trigger the event phi rotation, to put it in PHOS phi acceptance
43e3b80a 380 Float_t fTriggerParticleMinPt; // Minimum momentum of Fragmentation Photon or Pi0 or other hadron
40fe59d4 381 Float_t fPhotonMinPt; // Minimum momentum of Photon (not in use)
382 Float_t fElectronMinPt; // Minimum momentum of Electron (not in use)
ec2c406e 383 //Calorimeters eta-phi acceptance
43e3b80a 384 Float_t fPHOSMinPhi; // Minimum phi PHOS, degrees
385 Float_t fPHOSMaxPhi; // Maximum phi PHOS, degrees
386 Float_t fPHOSEta; // Minimum eta PHOS, coverage delta eta
387 Float_t fEMCALMinPhi; // Minimum phi EMCAL, degrees
388 Float_t fEMCALMaxPhi; // Maximum phi EMCAL, degrees
389 Float_t fEMCALEta; // Maximum eta EMCAL, coverage delta eta
800be8b7 390
391 Bool_t fkTuneForDiff; // Pythia tune
392 Int_t fProcDiff;
93a2041b 393 private:
394 AliGenPythia(const AliGenPythia &Pythia);
395 AliGenPythia & operator=(const AliGenPythia & rhs);
396
800be8b7 397
398 Bool_t CheckDiffraction();
c5dfa3e4 399 Bool_t GetWeightsDiffraction(Double_t M, Double_t &Mmin, Double_t &Mmax,
400 Double_t &wSD, Double_t &wDD, Double_t &wND);
800be8b7 401
40fe59d4 402 ClassDef(AliGenPythia, 14) // AliGenerator interface to Pythia
8d2cd130 403};
404#endif
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