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7b7936e9 | 1 | // This class provides an interface between the HYDJET++ Monte-Carlo model |
2 | // and AliRoot (by inheriting from the AliGenMC class). | |
3 | // This class uses the TUHKMgen class (which inherits from TGenerator) to | |
4 | // transmit parameters and receive output from the model. | |
5 | ||
b1c2e580 | 6 | #ifndef ALIGENUHKM_H |
7 | #define ALIGENUHKM_H | |
8 | ||
9 | #include "AliGenMC.h" | |
10 | #include <TString.h> | |
b1c2e580 | 11 | #include "TUHKMgen.h" |
3fa37a65 | 12 | #ifndef INITIALSTATEHYDJET_H |
b1c2e580 | 13 | #include "InitialStateHydjet.h" |
14 | #endif | |
7b7936e9 | 15 | #include "TParticle.h" |
b1c2e580 | 16 | |
17 | #include <string> | |
18 | using namespace std; | |
19 | ||
b1c2e580 | 20 | |
21 | class AliGenUHKM : public AliGenMC | |
22 | { | |
7b7936e9 | 23 | protected: |
24 | Int_t fTrials; // Number of trials | |
25 | TUHKMgen *fUHKMgen; // UHKM | |
26 | ||
27 | InitialParamsHydjet_t fHydjetParams; // list of parameters for the initial state | |
28 | // details for the PDG database | |
29 | Char_t fParticleFilename[256]; // particle list filename | |
30 | Char_t fDecayFilename[256]; // decay table filename | |
31 | Int_t fStableFlagPDG[500]; // array of PDG codes flagged | |
32 | Bool_t fStableFlagStatus[500]; // array of decay flag status | |
33 | Int_t fStableFlagged; // number of toggled decay flags | |
34 | ||
35 | void SetAllParameters(); | |
36 | void CheckPDGTable(); | |
37 | ||
38 | private: | |
39 | void Copy(TObject &rhs) const; | |
40 | AliGenUHKM(const AliGenUHKM&); | |
41 | AliGenUHKM & operator = (const AliGenUHKM &); | |
42 | ||
b1c2e580 | 43 | public: |
44 | AliGenUHKM(); | |
45 | AliGenUHKM(Int_t npart); | |
46 | ||
47 | virtual ~AliGenUHKM(); | |
48 | virtual void Generate(); | |
49 | virtual void Init(); | |
50 | // virtual void AddHeader(AliGenEventHeader* header); | |
7b7936e9 | 51 | |
b1c2e580 | 52 | // Setters |
53 | // set reasonable default parameters suited for central Au+Au collisions at RHIC(200GeV) | |
54 | void SetAllParametersRHIC(); | |
55 | // set reasonable default parameters suited for central Pb+Pb collisions at LHC(5.5TeV) | |
56 | void SetAllParametersLHC(); | |
7b7936e9 | 57 | |
b1c2e580 | 58 | void SetEcms(Double_t value) {fHydjetParams.fSqrtS = value;} // CMS energy per nucleon [GeV] (<2.24 given temperature and ch pot are used) |
59 | void SetAw(Double_t value) {fHydjetParams.fAw = value;} // nuclei mass number | |
60 | void SetBmin(Double_t value) {fHydjetParams.fBmin = value;} // Minimum impact parameter | |
61 | void SetBmax(Double_t value) {fHydjetParams.fBmax = value;} // Maximum impact parameter | |
62 | void SetChFrzTemperature(Double_t value) {fHydjetParams.fT = value;} // Temperature for the chemical freezeout [GeV] | |
63 | void SetMuB(Double_t value) {fHydjetParams.fMuB = value;} // Baryonic chemical potential [GeV] | |
64 | void SetMuS(Double_t value) {fHydjetParams.fMuS = value;} // Strangeness chemical potential [GeV] | |
65 | void SetMuQ(Double_t value) {fHydjetParams.fMuI3 = value;} // Isospin chemical potential [GeV] | |
66 | void SetThFrzTemperature(Double_t value) {fHydjetParams.fThFO = value;} // Temperature for the thermal freezeout [GeV] | |
67 | void SetMuPionThermal(Double_t value) {fHydjetParams.fMu_th_pip = value;} // Chemical potential for pi+ at thermal freezeout [GeV] | |
68 | void SetSeed(Int_t value) {fHydjetParams.fSeed = value;} //parameter to set the random nuber seed (=0 the current time is used | |
69 | //to set the random generator seed, !=0 the value fSeed is | |
70 | //used to set the random generator seed and then the state of random | |
71 | //number generator in PYTHIA MRPY(1)=fSeed | |
72 | void SetTauB(Double_t value) {fHydjetParams.fTau = value;} // Proper time for the freeze-out hyper surface [fm/c] | |
73 | void SetSigmaTau(Double_t value) {fHydjetParams.fSigmaTau = value;} // Standard deviation for the proper time (emission duration) [fm/c] | |
74 | void SetRmaxB(Double_t value) {fHydjetParams.fR = value;} // Maximal transverse radius [fm] | |
75 | void SetYlMax(Double_t value) {fHydjetParams.fYlmax = value;} // Maximal fireball longitudinal rapidity | |
76 | void SetEtaRMax(Double_t value) {fHydjetParams.fUmax = value;} // Maximal transverse velocity | |
77 | void SetMomAsymmPar(Double_t value) {fHydjetParams.fDelta = value;} // Momentum asymmetry parameter | |
78 | void SetCoordAsymmPar(Double_t value) {fHydjetParams.fEpsilon = value;} // Coordinate asymmetry parameter | |
79 | ||
b1c2e580 | 80 | void SetEtaType(Int_t value) {fHydjetParams.fEtaType = value;} // flag to choose rapidity distribution, if fEtaType<=0, |
81 | //then uniform rapidity distribution in [-fYlmax,fYlmax] if fEtaType>0, | |
82 | //then Gaussian with dispertion = fYlmax | |
83 | void SetGammaS(Double_t value) {fHydjetParams.fCorrS = value;} // Strangeness suppression parameter (if gamma_s<=0 then it will be calculated) | |
84 | ||
85 | //PYQUEN parameters | |
86 | void SetPyquenNhsel(Int_t value) {fHydjetParams.fNhsel = value;} // Flag to choose the type of event to be generated | |
87 | // fNhsel = 0 --> UHKM fireball, no jets | |
88 | // fNhsel = 1 --> UHKM fireball, jets with no quenching | |
89 | // fNhsel = 2 --> UHKM fireball, jets with quenching | |
90 | // fNhsel = 3 --> no UHKM fireball, jets with no quenching | |
91 | // fNhsel = 4 --> no UHKM fireball, jets with quenching | |
92 | void SetPyquenShad(Int_t value) {fHydjetParams.fIshad = value;}//flag to switch on/off impact parameter dependent nuclear | |
93 | // shadowing for gluons and light sea quarks (u,d,s) (0: shadowing off, | |
94 | // 1: shadowing on for fAw=207, 197, 110, 40, default: 1 | |
95 | void SetPyquenPtmin(Double_t value) {fHydjetParams.fPtmin = value;} // Pyquen input parameter for minimum Pt of parton-parton scattering (5GeV<pt<500GeV) | |
96 | void SetPyquenT0(Double_t value) {fHydjetParams.fT0 = value;} //proper QGP formation tempereture | |
97 | void SetPyquenTau0(Double_t value) {fHydjetParams.fTau0 = value;} //proper QGP formation time in fm/c (0.01<fTau0<10) | |
98 | void SetPyquenNf(Int_t value) {fHydjetParams.fNf = value;} //number of active quark flavours N_f in QGP fNf=0, 1,2 or 3 | |
99 | void SetPyquenIenglu(Int_t value) {fHydjetParams.fIenglu = value;} // flag to fix type of in-medium partonic energy loss | |
100 | //(0: radiative and collisional loss, 1: radiative loss only, 2: | |
101 | //collisional loss only) (default: 0); | |
102 | void SetPyquenIanglu(Int_t value) {fHydjetParams.fIanglu = value;} //flag to fix type of angular distribution of in-medium emitted | |
103 | //gluons (0: small-angular, 1: wide-angular, 2:collinear) (default: 0). | |
104 | ||
105 | ||
7b7936e9 | 106 | void SetPDGParticleFile(const Char_t *name) {strcpy(fParticleFilename, name);}//Set the filename containing the particle PDG info |
107 | void SetPDGDecayFile(const Char_t *name) {strcpy(fDecayFilename, name);} //Set the filename containing the PDG decay channels info | |
b1c2e580 | 108 | void SetPDGParticleStable(Int_t pdg, Bool_t value) { // Turn on/off the decay flag for a PDG particle |
109 | fStableFlagPDG[fStableFlagged] = pdg; | |
110 | fStableFlagStatus[fStableFlagged++] = value; | |
111 | } | |
b1c2e580 | 112 | |
113 | // Getters | |
7b7936e9 | 114 | Double_t GetEcms() const {return fHydjetParams.fSqrtS;} |
115 | Double_t GetAw() const {return fHydjetParams.fAw;} | |
116 | Double_t GetBmin() const {return fHydjetParams.fBmin;} | |
117 | Double_t GetBmax() const {return fHydjetParams.fBmax;} | |
118 | Double_t GetChFrzTemperature() const {return fHydjetParams.fT;} | |
119 | Double_t GetMuB() const {return fHydjetParams.fMuB;} | |
120 | Double_t GetMuS() const {return fHydjetParams.fMuS;} | |
121 | Double_t GetMuQ() const {return fHydjetParams.fMuI3;} | |
122 | Double_t GetThFrzTemperature() const {return fHydjetParams.fThFO;} | |
123 | Double_t GetMuPionThermal() const {return fHydjetParams.fMu_th_pip;} | |
124 | Int_t GetSeed() const {return fHydjetParams.fSeed;} | |
125 | Double_t GetTauB() const {return fHydjetParams.fTau;} | |
126 | Double_t GetSigmaTau() const {return fHydjetParams.fSigmaTau;} | |
127 | Double_t GetRmaxB() const {return fHydjetParams.fR;} | |
128 | Double_t GetYlMax() const {return fHydjetParams.fYlmax;} | |
129 | Double_t GetEtaRMax() const {return fHydjetParams.fUmax;} | |
130 | Double_t GetMomAsymmPar() const {return fHydjetParams.fDelta;} | |
131 | Double_t GetCoordAsymmPar() const {return fHydjetParams.fEpsilon;} | |
132 | Int_t GetEtaType() const {return fHydjetParams.fEtaType;} | |
133 | Double_t GetGammaS() const {return fHydjetParams.fCorrS;} | |
134 | Int_t GetPyquenNhsel() const {return fHydjetParams.fNhsel;} | |
135 | Int_t GetPyquenShad() const {return fHydjetParams.fIshad;} | |
136 | Double_t GetPyquenPtmin() const {return fHydjetParams.fPtmin;} | |
137 | Double_t GetPyquenT0() const {return fHydjetParams.fT0;} | |
138 | Double_t GetPyquenTau0() const {return fHydjetParams.fTau0;} | |
139 | Double_t GetPyquenNf() const {return fHydjetParams.fNf;} | |
140 | Double_t GetPyquenIenglu() const {return fHydjetParams.fIenglu;} | |
141 | Double_t GetPyquenIanglu() const {return fHydjetParams.fIanglu;} | |
142 | const Char_t* GetPDGParticleFile() const {return fParticleFilename;} | |
143 | const Char_t* GetPDGDecayFile() const {return fDecayFilename;} | |
786056a2 | 144 | |
b1c2e580 | 145 | ClassDef(AliGenUHKM, 6) // AliGenerator interface to UHKM |
146 | }; | |
147 | #endif | |
148 | ||
149 | ||
150 | ||
151 | ||
152 |