Line data Source code
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 :
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 AliPythia;
23 : class TParticle;
24 : class AliGenPythiaEventHeader;
25 : class AliGenEventHeader;
26 : class AliStack;
27 : class AliRunLoader;
28 : class TObjArray;
29 :
30 : class AliGenPythia : public AliGenMC
31 : {
32 : public:
33 :
34 : typedef enum {kFlavorSelection, kParentSelection, kHeavyFlavor} StackFillOpt_t;
35 : typedef enum {kCountAll, kCountParents, kCountTrackables} CountMode_t;
36 : typedef enum {kCluster, kCell} JetRecMode_t;
37 :
38 : AliGenPythia();
39 : AliGenPythia(Int_t npart);
40 : virtual ~AliGenPythia();
41 : virtual void Generate();
42 : virtual void Init();
43 : // Range of events to be printed
44 : virtual void SetEventListRange(Int_t eventFirst=-1, Int_t eventLast=-1);
45 : // Select process type
46 0 : virtual void SetProcess(Process_t proc = kPyCharm) {fProcess = proc;}
47 0 : virtual void SetTune(Int_t itune) {fItune = itune;}
48 : virtual void SetSeed(UInt_t seed);
49 :
50 : // Select structure function
51 0 : virtual void SetStrucFunc(StrucFunc_t func = kCTEQ5L) {fStrucFunc = func;}
52 : // Rewieght pt, hard spectrum with pT/p0^n, set power n
53 0 : virtual void SetWeightPower(Float_t power = 0.) { fWeightPower = power; }
54 : // Select pt of hard scattering
55 : virtual void SetPtHard(Float_t ptmin = 0, Float_t ptmax = 1.e10)
56 0 : {fPtHardMin = ptmin; fPtHardMax = ptmax; }
57 : // y of hard scattering
58 : virtual void SetYHard(Float_t ymin = -1.e10, Float_t ymax = 1.e10)
59 0 : {fYHardMin = ymin; fYHardMax = ymax; }
60 : // Set initial and final state gluon radiation
61 : virtual void SetGluonRadiation(Int_t iIn, Int_t iFin)
62 0 : {fGinit = iIn; fGfinal = iFin;}
63 0 : virtual void SetColorReconnectionOff(Int_t iflag=0){fCRoff=iflag;}
64 : // Intrinsic kT
65 : virtual void SetPtKick(Float_t kt = 1.)
66 0 : {fPtKick = kt;}
67 : // Use the Pythia 6.3 new multiple interations scenario
68 0 : virtual void UseNewMultipleInteractionsScenario() {fNewMIS = kTRUE;}
69 : // Switch off heavy flavors
70 0 : virtual void SwitchHFOff() {fHFoff = kTRUE;}
71 : // Set centre of mass energy
72 0 : virtual void SetEnergyCMS(Float_t energy = 5500) {fEnergyCMS = energy;}
73 : // Treat protons as inside nuclei with mass numbers a1 and a2
74 : virtual void SetNuclei(Int_t a1, Int_t a2, Int_t pdfset = 0);
75 : // Set colliding nuclei ("p","n",...)
76 0 : virtual void SetCollisionSystem(TString projectile, TString target) { fProjectile = projectile; fTarget = target; }
77 0 : virtual void SetNuclearPDF(Int_t pdf) {fNucPdf = pdf;}
78 0 : virtual void SetUseNuclearPDF(Bool_t val) {fUseNuclearPDF = val;}
79 0 : virtual void SetUseLorentzBoost(Bool_t val) {fUseLorentzBoost = val;}
80 : //
81 : // Trigger options
82 : //
83 : // Energy range for jet trigger
84 : virtual void SetJetEtRange(Float_t etmin = 0., Float_t etmax = 1.e4)
85 0 : {fEtMinJet = etmin; fEtMaxJet = etmax;}
86 : // Eta range for jet trigger
87 : virtual void SetJetEtaRange(Float_t etamin = -20., Float_t etamax = 20.)
88 0 : {fEtaMinJet = etamin; fEtaMaxJet = etamax;}
89 : // Phi range for jet trigger
90 : virtual void SetJetPhiRange(Float_t phimin = 0., Float_t phimax = 360.)
91 0 : {fPhiMinJet = TMath::Pi()*phimin/180.; fPhiMaxJet = TMath::Pi()*phimax/180.;}
92 : // Jet reconstruction mode; default is cone algorithm
93 0 : virtual void SetJetReconstructionMode(Int_t mode = kCell) {fJetReconstruction = mode;}
94 : // Eta range for gamma trigger
95 : virtual void SetGammaEtaRange(Float_t etamin = -20., Float_t etamax = 20.)
96 0 : {fEtaMinGamma = etamin; fEtaMaxGamma = etamax;}
97 : // Phi range for gamma trigger
98 : virtual void SetGammaPhiRange(Float_t phimin = 0., Float_t phimax = 360.)
99 0 : {fPhiMinGamma = TMath::Pi()*phimin/180.; fPhiMaxGamma = TMath::Pi()*phimax/180.;}
100 : // Y range for heavy quark trigger
101 : virtual void SetHeavyQuarkYRange(Float_t ymin=-20., Float_t ymax=20.){
102 0 : fYMinHQ = ymin; fYMaxHQ=ymax; fUseYCutHQ=kTRUE;
103 0 : }
104 :
105 : // Select events with fragmentation photon, decay photon, pi0 or eta going to PHOS or EMCAL and central barrel
106 : virtual Bool_t TriggerOnSelectedParticles(Int_t np);
107 :
108 0 : virtual void SetCheckPHOS (Bool_t b) {fCheckPHOS = b;}
109 0 : virtual void SetCheckEMCAL (Bool_t b) {fCheckEMCAL = b;}
110 0 : virtual void SetCheckBarrel (Bool_t b) {fCheckBarrel = b;}
111 :
112 : //virtual void SetElectronInEMCAL (Bool_t b) {fEleInEMCAL = b;}
113 : //virtual void SetPhotonInPHOS (Bool_t b) {fCheckPHOS = b; fPhotonInCalo = b;} // Not in use
114 :
115 0 : virtual void SetFragPhotonInCalo (Bool_t b) { fFragPhotonInCalo = b;}
116 0 : virtual void SetFragPhotonInBarrel(Bool_t b) {fCheckBarrel = b; fFragPhotonInCalo = b;}
117 0 : virtual void SetFragPhotonInEMCAL (Bool_t b) {fCheckEMCAL = b; fFragPhotonInCalo = b;}
118 0 : virtual void SetFragPhotonInPHOS (Bool_t b) {fCheckPHOS = b; fFragPhotonInCalo = b;}
119 :
120 0 : virtual void SetHadronInCalo (Bool_t b) { fHadronInCalo = b;}
121 0 : virtual void SetHadronInBarrel (Bool_t b) {fCheckBarrel = b; fHadronInCalo = b;}
122 0 : virtual void SetHadronInEMCAL (Bool_t b) {fCheckEMCAL = b; fHadronInCalo = b;}
123 0 : virtual void SetHadronInPHOS (Bool_t b) {fCheckPHOS = b; fHadronInCalo = b;}
124 :
125 0 : virtual void SetElectronInCalo (Bool_t b) { fEleInCalo = b;}
126 0 : virtual void SetElectronInBarrel (Bool_t b) {fCheckBarrel = b; fEleInCalo = b;}
127 0 : virtual void SetElectronInEMCAL (Bool_t b) {fCheckEMCAL = b; fEleInCalo = b;}
128 0 : virtual void SetElectronInPHOS (Bool_t b) {fCheckPHOS = b; fEleInCalo = b;}
129 :
130 0 : virtual void SetDecayPhotonInCalo (Bool_t d) {fDecayPhotonInCalo = d;}
131 0 : virtual void SetDecayPhotonInBarrel(Bool_t d) {fDecayPhotonInCalo = d; fCheckBarrel = d;}
132 0 : virtual void SetDecayPhotonInEMCAL(Bool_t d) {fDecayPhotonInCalo = d; fCheckEMCAL = d;}
133 0 : virtual void SetDecayPhotonInPHOS (Bool_t d) {fDecayPhotonInCalo = d; fCheckPHOS = d;}
134 :
135 0 : virtual void SetPi0InCalo (Bool_t b, Bool_t f = kFALSE) {fPi0InCalo = b; fForceNeutralMeson2PhotonDecay = f;}
136 0 : virtual void SetPi0InBarrel (Bool_t b, Bool_t f = kFALSE) {fPi0InCalo = b; fForceNeutralMeson2PhotonDecay = f; fCheckBarrel= b; }
137 0 : virtual void SetPi0InEMCAL (Bool_t b, Bool_t f = kFALSE) {fPi0InCalo = b; fForceNeutralMeson2PhotonDecay = f; fCheckEMCAL = b; }
138 0 : virtual void SetPi0InPHOS (Bool_t b, Bool_t f = kFALSE) {fPi0InCalo = b; fForceNeutralMeson2PhotonDecay = f; fCheckPHOS = b; }
139 :
140 0 : virtual void SetEtaInCalo (Bool_t b, Bool_t f = kFALSE) {fEtaInCalo = b; fForceNeutralMeson2PhotonDecay = f;}
141 0 : virtual void SetEtaInBarrel (Bool_t b, Bool_t f = kFALSE) {fEtaInCalo = b; fForceNeutralMeson2PhotonDecay = f; fCheckBarrel= b; }
142 0 : virtual void SetEtaInEMCAL (Bool_t b, Bool_t f = kFALSE) {fEtaInCalo = b; fForceNeutralMeson2PhotonDecay = f; fCheckEMCAL = b; }
143 0 : virtual void SetEtaInPHOS (Bool_t b, Bool_t f = kFALSE) {fEtaInCalo = b; fForceNeutralMeson2PhotonDecay = f; fCheckPHOS = b; }
144 :
145 0 : virtual void SetPi0PhotonDecayInBarrel(Bool_t b, Bool_t f = kFALSE) {fPi0InCalo = b; fDecayPhotonInCalo = b; fForceNeutralMeson2PhotonDecay = f; fCheckBarrel = b; }
146 0 : virtual void SetPi0PhotonDecayInEMCAL (Bool_t b, Bool_t f = kFALSE) {fPi0InCalo = b; fDecayPhotonInCalo = b; fForceNeutralMeson2PhotonDecay = f; fCheckEMCAL = b; }
147 0 : virtual void SetPi0PhotonDecayInPHOS (Bool_t b, Bool_t f = kFALSE) {fPi0InCalo = b; fDecayPhotonInCalo = b; fForceNeutralMeson2PhotonDecay = f; fCheckPHOS = b; }
148 :
149 0 : virtual void SetEtaPhotonDecayInBarrel(Bool_t b, Bool_t f = kFALSE) {fEtaInCalo = b; fDecayPhotonInCalo = b; fForceNeutralMeson2PhotonDecay = f; fCheckBarrel = b; }
150 0 : virtual void SetEtaPhotonDecayInEMCAL (Bool_t b, Bool_t f = kFALSE) {fEtaInCalo = b; fDecayPhotonInCalo = b; fForceNeutralMeson2PhotonDecay = f; fCheckEMCAL = b; }
151 0 : virtual void SetEtaPhotonDecayInPHOS (Bool_t b, Bool_t f = kFALSE) {fEtaInCalo = b; fDecayPhotonInCalo = b; fForceNeutralMeson2PhotonDecay = f; fCheckPHOS = b; }
152 :
153 :
154 : // Trigger on a minimum multiplicity
155 : virtual void SetTriggerChargedMultiplicity(Int_t multiplicity, Float_t etamax = 0, Float_t ptmin = -1.)
156 0 : {fTriggerMultiplicity = multiplicity; fTriggerMultiplicityEta = etamax;
157 0 : fTriggerMultiplicityPtMin = ptmin;}
158 :
159 : // Trigger on a minimum multiplicity for a given eta range
160 : virtual void SetTriggerMultiplicityEtaRange(Int_t multiplicity, Float_t etamin = 0., Float_t etamax = 0., Float_t ptmin = -1.)
161 0 : {fTriggerMultiplicity = multiplicity; fTriggerMultiplicityEtaMin = etamin; fTriggerMultiplicityEtaMax = etamax;
162 0 : fTriggerMultiplicityPtMin = ptmin;}
163 :
164 : // Calorimeters acceptance
165 : // Set Phi in degrees, and Eta coverage, should not be negative
166 0 : virtual void SetBarrelAcceptance(Float_t deta) {fTriggerEta = deta ;}
167 0 : virtual void SetTriggerY(Float_t dy) {fTriggerY = dy;}
168 0 : virtual void SetEMCALAcceptance (Float_t phimin, Float_t phimax, Float_t deta) {fEMCALMinPhi = phimin ; fEMCALMaxPhi = phimax ; fEMCALEta = deta ; }
169 0 : virtual void SetPHOSAcceptance (Float_t phimin, Float_t phimax, Float_t deta) {fPHOSMinPhi = phimin ; fPHOSMaxPhi = phimax ; fPHOSEta = deta ; }
170 0 : virtual void SetRotateParticleInPHOSeta(Bool_t b) {fCheckPHOSeta = b;}
171 :
172 0 : virtual void SetTriggerParticleMinPt(Float_t pt) {fTriggerParticleMinPt = pt;}
173 : // virtual void SetPhotonMinPt(Float_t pt) {fPhotonMinPt = pt;}
174 : // virtual void SetElectronMinPt(Float_t pt) {fElectronMinPt = pt;}
175 : // Trigger and rotate event
176 : void RotatePhi(Bool_t& okdd);
177 :
178 : // Trigger on a single particle (not related to calorimeter trigger above)
179 : virtual void SetTriggerParticle(Int_t particle = 0, Float_t etamax = 0.9, Float_t ptmin = -1, Float_t ptmax = 1000)
180 0 : {fTriggerParticle = particle; fTriggerEta = etamax; fTriggerEtaMin = etamax; fTriggerMinPt = ptmin; fTriggerMaxPt = ptmax;}
181 : virtual void SetTriggerParticle(Int_t particle, Float_t etamin, Float_t etamax, Float_t ptmin, Float_t ptmax)
182 0 : {fTriggerParticle = particle; fTriggerEtaMin = etamin, fTriggerEta = etamax; fTriggerMinPt = ptmin; fTriggerMaxPt = ptmax;}
183 :
184 : //
185 : // Heavy flavor options
186 : //
187 : // Set option for feed down from higher family
188 : virtual void SetFeedDownHigherFamily(Bool_t opt) {
189 0 : fFeedDownOpt = opt;
190 0 : }
191 : // Set option for selecting particles kept in stack according to flavor
192 : // or to parent selection
193 : virtual void SetStackFillOpt(StackFillOpt_t opt) {
194 0 : fStackFillOpt = opt;
195 0 : }
196 : // Set fragmentation option
197 : virtual void SetFragmentation(Bool_t opt) {
198 0 : fFragmentation = opt;
199 0 : }
200 : // Set counting mode
201 : virtual void SetCountMode(CountMode_t mode) {
202 0 : fCountMode = mode;
203 0 : }
204 : //
205 : // Quenching
206 : //
207 : // Set quenching mode 0 = no, 1 = AM, 2 = IL, 3 = NA, 4 = ACS
208 0 : virtual void SetQuench(Int_t flag = 0) {fQuench = flag;}
209 : // Set transport coefficient.
210 0 : void SetQhat(Float_t qhat) {fQhat = qhat;}
211 : //Set initial medium length.
212 0 : void SetLength(Float_t length) {fLength = length;}
213 : //set parameters for pyquen afterburner
214 : virtual void SetPyquenPar(Float_t t0=1., Float_t tau0=0.1, Int_t nf=0,Int_t iengl=0, Int_t iangl=3)
215 0 : {fpyquenT = t0; fpyquenTau = tau0; fpyquenNf=nf;fpyquenEloss=iengl;fpyquenAngle=iangl;}
216 0 : virtual void SetHadronisation(Int_t flag = 1) {fHadronisation = flag;}
217 0 : virtual void SetPatchOmegaDalitz(Int_t flag = 1) {fPatchOmegaDalitz = flag;}
218 0 : virtual void SetDecayerExodus(Int_t flag = 1) {fDecayerExodus = flag;}
219 0 : virtual void SetReadFromFile(const Text_t *filname) {fkFileName = filname; fReadFromFile = 1;}
220 0 : virtual void SetReadLHEF(const Text_t *filename) {fkNameLHEF = filename; fReadLHEF = 1;}
221 :
222 : //
223 : // Pile-up
224 : //
225 : // Get interaction rate for pileup studies
226 : virtual void SetInteractionRate(Float_t rate,Float_t timewindow = 90.e-6);
227 0 : virtual Float_t GetInteractionRate() const {return fInteractionRate;}
228 : // get cross section of process
229 0 : virtual Float_t GetXsection() const {return fXsection;}
230 : // get triggered jets
231 : void GetJets(Int_t& njets, Int_t& ntrig, Float_t jets[4][10]);
232 : void RecJetsUA1(Int_t& njets, Float_t jets[4][50]);
233 : void SetPycellParameters(Float_t etamax = 2., Int_t neta = 274, Int_t nphi = 432,
234 : Float_t thresh = 0., Float_t etseed = 4.,
235 : Float_t minet = 10., Float_t r = 1.);
236 :
237 : void LoadEvent(AliStack* stack, Int_t flag = 0, Int_t reHadr = 0);
238 : void LoadEvent(const TObjArray* stack, Int_t flag = 0, Int_t reHadr = 0);
239 : // Getters
240 0 : virtual Process_t GetProcess() const {return fProcess;}
241 0 : virtual StrucFunc_t GetStrucFunc() const {return fStrucFunc;}
242 : virtual void GetPtHard(Float_t& ptmin, Float_t& ptmax) const
243 0 : {ptmin = fPtHardMin; ptmax = fPtHardMax;}
244 : virtual void GetNuclei(Int_t& a1, Int_t& a2) const
245 0 : {a1 = fAProjectile; a2 = fATarget;}
246 : virtual void GetJetEtRange(Float_t& etamin, Float_t& etamax) const
247 0 : {etamin = fEtaMinJet; etamax = fEtaMaxJet;}
248 : virtual void GetJetPhiRange(Float_t& phimin, Float_t& phimax) const
249 0 : {phimin = fPhiMinJet*180./TMath::Pi(); phimax = fPhiMaxJet*180/TMath::Pi();}
250 : virtual void GetGammaEtaRange(Float_t& etamin, Float_t& etamax) const
251 0 : {etamin = fEtaMinGamma; etamax = fEtaMaxGamma;}
252 : virtual void GetGammaPhiRange(Float_t& phimin, Float_t& phimax) const
253 0 : {phimin = fPhiMinGamma*180./TMath::Pi(); phimax = fPhiMaxGamma*180./TMath::Pi();}
254 : //
255 : Bool_t CheckDetectorAcceptance(Float_t phi, Float_t eta, Int_t iparticle);
256 : Bool_t IsInEMCAL (Float_t phi, Float_t eta) const;
257 : Bool_t IsInPHOS (Float_t phi, Float_t eta, Int_t iparticle) ;
258 : Bool_t IsInBarrel(Float_t eta) const;
259 : Bool_t IsFromHeavyFlavor(Int_t ipart);
260 : //
261 : virtual void FinishRun();
262 : Bool_t CheckTrigger(const TParticle* jet1, const TParticle* jet2);
263 : //Used in some processes to selected child properties
264 : Bool_t CheckKinematicsOnChild();
265 : void GetSubEventTime();
266 :
267 0 : void SetTuneForDiff(Bool_t a=kTRUE) {fkTuneForDiff=a;}
268 0 : AliDecayer * GetDecayer(){return fDecayer;}
269 :
270 : protected:
271 : // adjust the weight from kinematic cuts
272 : void AdjustWeights() const;
273 : Int_t GenerateMB();
274 : void MakeHeader();
275 : void GeneratePileup();
276 : Process_t fProcess; //Process type
277 : Int_t fItune; // Pythia tune > 6.4
278 : StrucFunc_t fStrucFunc; //Structure Function
279 : Float_t fKineBias; //!Bias from kinematic selection
280 : Int_t fTrials; //!Number of trials for current event
281 : Int_t fTrialsRun; //!Number of trials for run
282 : Float_t fQ; //Mean Q
283 : Float_t fX1; //Mean x1
284 : Float_t fX2; //Mean x2
285 : Float_t fEventTime; //Time of the subevent
286 : Float_t fInteractionRate; //Interaction rate (set by user)
287 : Float_t fTimeWindow; //Time window for pileup events (set by user)
288 : Int_t fCurSubEvent; //Index of the current sub-event
289 : TArrayF *fEventsTime; //Subevents time for pileup
290 : Int_t fNev; //Number of events
291 : Int_t fFlavorSelect; //Heavy Flavor Selection
292 : Float_t fXsection; //Cross-section
293 : AliPythia *fPythia; //!Pythia
294 : Float_t fWeightPower; //power for cross section weights; 0 means no reweighting
295 : Float_t fPtHardMin; //lower pT-hard cut
296 : Float_t fPtHardMax; //higher pT-hard cut
297 : Float_t fYHardMin; //lower y-hard cut
298 : Float_t fYHardMax; //higher y-hard cut
299 : Int_t fGinit; //initial state gluon radiation
300 : Int_t fGfinal; //final state gluon radiation
301 : Int_t fCRoff; //color reconnection off in the pythia6 annealying model
302 : Int_t fHadronisation; //hadronisation
303 : Bool_t fPatchOmegaDalitz; //flag for omega dalitz decay patch
304 : Bool_t fDecayerExodus; //flag for exodus decayer
305 : Int_t fNpartons; //Number of partons before hadronisation
306 : Int_t fReadFromFile; //read partons from file
307 : Int_t fReadLHEF; //read lhef file
308 : Int_t fQuench; //Flag for quenching
309 : Float_t fQhat; //Transport coefficient (GeV^2/fm)
310 : Float_t fLength; //Medium length (fm)
311 : Float_t fpyquenT; //Pyquen initial temperature
312 : Float_t fpyquenTau; //Pyquen initial proper time
313 : Int_t fpyquenNf; //Pyquen number of flavours into the game
314 : Int_t fpyquenEloss; //Pyquen type of energy loss
315 : Int_t fpyquenAngle; //Pyquen radiation angle for gluons
316 : Float_t fImpact; //Impact parameter for quenching simulation (q-pythia)
317 : Float_t fPtKick; //Transverse momentum kick
318 : Bool_t fFullEvent; //!Write Full event if true
319 : AliDecayer *fDecayer; //!Pointer to the decayer instance
320 : Int_t fDebugEventFirst; //!First event to debug
321 : Int_t fDebugEventLast; //!Last event to debug
322 : Float_t fEtMinJet; //Minimum et of triggered Jet
323 : Float_t fEtMaxJet; //Maximum et of triggered Jet
324 : Float_t fEtaMinJet; //Minimum eta of triggered Jet
325 : Float_t fEtaMaxJet; //Maximum eta of triggered Jet
326 : Float_t fPhiMinJet; //Minimum phi of triggered Jet
327 : Float_t fPhiMaxJet; //Maximum phi of triggered Jet
328 : Int_t fJetReconstruction; //Jet Reconstruction mode
329 : Float_t fEtaMinGamma; // Minimum eta of triggered gamma
330 : Float_t fEtaMaxGamma; // Maximum eta of triggered gamma
331 : Float_t fPhiMinGamma; // Minimum phi of triggered gamma
332 : Float_t fPhiMaxGamma; // Maximum phi of triggered gamma
333 : Bool_t fUseYCutHQ; // siwtch for using y cut for heavy quarks
334 : Float_t fYMinHQ; // Minimum y of triggered heavy quarks
335 : Float_t fYMaxHQ; // Maximum y of triggered heavy quarks
336 : Float_t fPycellEtaMax; // Max. eta for Pycell
337 : Int_t fPycellNEta; // Number of eta bins for Pycell
338 : Int_t fPycellNPhi; // Number of phi bins for Pycell
339 : Float_t fPycellThreshold; // Pycell threshold
340 : Float_t fPycellEtSeed; // Pycell seed
341 : Float_t fPycellMinEtJet; // Pycell min. jet et
342 : Float_t fPycellMaxRadius; // Pycell cone radius
343 : StackFillOpt_t fStackFillOpt; // Stack filling with all particles with
344 : // that flavour or only with selected
345 : // parents and their decays
346 : Bool_t fFeedDownOpt; // Option to set feed down from higher
347 : // quark families (e.g. b->c)
348 : Bool_t fFragmentation; // Option to activate fragmentation by Pythia
349 : Bool_t fSetNuclei; // Flag indicating that SetNuclei has been called
350 : Bool_t fUseNuclearPDF; // flag if nuclear pdf should be applied
351 : Bool_t fUseLorentzBoost; // flag if lorentz boost should be applied
352 : Bool_t fNewMIS; // Flag for the new multipple interactions scenario
353 : Bool_t fHFoff; // Flag for switching heafy flavor production off
354 : Int_t fNucPdf; // Nuclear pdf 0: EKS98 1: EPS08
355 : Int_t fTriggerParticle; // Trigger on this particle ...
356 : Float_t fTriggerEta; // .. within |eta| < fTriggerEta
357 : Float_t fTriggerY; // .. within |y| < fTriggerEta
358 : Float_t fTriggerEtaMin; // .. within fTriggerEtaMin < eta < fTriggerEta
359 : Float_t fTriggerMinPt; // .. within pt > fTriggerMinPt
360 : Float_t fTriggerMaxPt; // .. within pt < fTriggerMaxPt
361 : Int_t fTriggerMultiplicity; // Trigger on events with a minimum charged multiplicity
362 : Float_t fTriggerMultiplicityEta; // in a given eta range
363 : Float_t fTriggerMultiplicityEtaMin; // in a given eta min
364 : Float_t fTriggerMultiplicityEtaMax; // in a given eta max
365 : Float_t fTriggerMultiplicityPtMin; // above this pT
366 : CountMode_t fCountMode; // Options for counting when the event will be finished.
367 : // fCountMode = kCountAll --> All particles that end up in the
368 : // stack are counted
369 : // fCountMode = kCountParents --> Only selected parents are counted
370 : // fCountMode = kCountTrackabless --> Only particles flagged for tracking
371 : // are counted
372 : //
373 : //
374 :
375 : AliGenPythiaEventHeader* fHeader; //! Event header
376 : AliRunLoader* fRL; //! Run Loader
377 : const Text_t* fkFileName; //! Name of file to read from
378 : const Text_t* fkNameLHEF; //! Name of lhef file to read from
379 : Bool_t fFragPhotonInCalo; // Option to ask for Fragmentation Photon in calorimeters acceptance
380 : Bool_t fHadronInCalo; // Option to ask for hadron (not pi0) in calorimeters acceptance
381 : Bool_t fPi0InCalo; // Option to ask for Pi0 in calorimeters acceptance
382 : Bool_t fEtaInCalo; // Option to ask for Eta in calorimeters acceptance
383 : Bool_t fPhotonInCalo; // Option to ask for Photon in calorimeter acceptance (not in use)
384 : Bool_t fDecayPhotonInCalo;// Option to ask for Decay Photon in calorimeter acceptance
385 : Bool_t fForceNeutralMeson2PhotonDecay; // Option to ask for Pi0/Eta in calorimeters acceptance when decay into 2 photons
386 : Bool_t fEleInCalo; // Option to ask for Electron in EMCAL acceptance
387 : Bool_t fEleInEMCAL; // Option to ask for Electron in EMCAL acceptance (not in use)
388 : Bool_t fCheckBarrel; // Option to ask for FragPhoton or Pi0 or Eta or gamma decays in central barrel acceptance
389 : Bool_t fCheckEMCAL; // Option to ask for FragPhoton or Pi0 or Eta or gamma decays in calorimeters EMCAL acceptance
390 : Bool_t fCheckPHOS; // Option to ask for FragPhoton or Pi0 or Eta or gamma decays in calorimeters PHOS acceptance
391 : 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
392 : Int_t fPHOSRotateCandidate; // Internal member to select the particle candidate to trigger the event phi rotation, to put it in PHOS phi acceptance
393 : Float_t fTriggerParticleMinPt; // Minimum momentum of Fragmentation Photon or Pi0 or other hadron
394 : Float_t fPhotonMinPt; // Minimum momentum of Photon (not in use)
395 : Float_t fElectronMinPt; // Minimum momentum of Electron (not in use)
396 : //Calorimeters eta-phi acceptance
397 : Float_t fPHOSMinPhi; // Minimum phi PHOS, degrees
398 : Float_t fPHOSMaxPhi; // Maximum phi PHOS, degrees
399 : Float_t fPHOSEta; // Minimum eta PHOS, coverage delta eta
400 : Float_t fEMCALMinPhi; // Minimum phi EMCAL, degrees
401 : Float_t fEMCALMaxPhi; // Maximum phi EMCAL, degrees
402 : Float_t fEMCALEta; // Maximum eta EMCAL, coverage delta eta
403 :
404 : Bool_t fkTuneForDiff; // Pythia tune
405 : Int_t fProcDiff;
406 : private:
407 : AliGenPythia(const AliGenPythia &Pythia);
408 : AliGenPythia & operator=(const AliGenPythia & rhs);
409 :
410 :
411 : Bool_t CheckDiffraction();
412 : Bool_t GetWeightsDiffraction(Double_t M, Double_t &Mmin, Double_t &Mmax,
413 : Double_t &wSD, Double_t &wDD, Double_t &wND);
414 :
415 2 : ClassDef(AliGenPythia, 15) // AliGenerator interface to Pythia
416 : };
417 : #endif
418 :
419 :
420 :
421 :
422 :
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