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ff6aba1e | 1 | // Implementation of the interface for THBTprocessor |
2 | // which is a wrapper itself to Fortran | |
3 | // program "HBT processor" written by Lanny Ray | |
4 | // Author: Piotr Krzysztof Skowronski <Piotr.Skowronski@cern.ch> | |
5 | // | |
2b9786f4 | 6 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
7 | * See cxx source for full Copyright notice */ | |
8 | ||
9 | /* $Id$ */ | |
10 | ||
ff6aba1e | 11 | #ifndef ALIGENHBTPROCESSOR_H |
12 | #define ALIGENHBTPROCESSOR_H | |
2b9786f4 | 13 | |
116cbefd | 14 | #include <TPDGCode.h> |
15 | ||
2b9786f4 | 16 | #include "AliGenerator.h" |
20dddfab | 17 | |
18 | class THBTprocessor; | |
19 | class TClonesArray; | |
2b9786f4 | 20 | |
21 | enum {kHBTPMaxParticleTypes = 50}; | |
22 | ||
20dddfab | 23 | class AliGenHBTprocessor : public AliGenerator |
24 | { | |
25 | //Wrapper class for THBTProcessor | |
ff6aba1e | 26 | //which is a wrapper itself to Fortran |
27 | //program "HBT processor" written by Lanny Ray | |
20dddfab | 28 | // |
29 | //Piotr.Skowronski@cern.ch | |
2b9786f4 | 30 | |
31 | public: | |
32 | AliGenHBTprocessor(); | |
20dddfab | 33 | AliGenHBTprocessor(const AliGenHBTprocessor& in); |
2b9786f4 | 34 | virtual ~AliGenHBTprocessor(); |
35 | ||
36 | virtual void Init(); | |
37 | virtual void Generate(); | |
ff6aba1e | 38 | virtual void GetParticles(TClonesArray * particles) const; |
20dddfab | 39 | Int_t IdFromPDG(Int_t pdg) const; |
40 | Int_t PDGFromId(Int_t id) const; | |
2b9786f4 | 41 | |
20dddfab | 42 | Int_t GetHbtPStatusCode(Int_t part) const; |
43 | void SetHbtPStatusCode(Int_t hbtstatcode, Int_t part); | |
2b9786f4 | 44 | /************* S E T T E R S ******************/ |
45 | ||
46 | virtual void SetTrackRejectionFactor(Float_t trf = 1.0); | |
47 | ||
48 | virtual void SetRefControl(Int_t rc =2); | |
49 | virtual void SetPIDs(Int_t pid1 = kPiPlus,Int_t pid2 = kPiMinus); //PDG Codes of particles to be processed, default \\Pi^{+} and \\Pi^{-} | |
50 | virtual void SetNPIDtypes(Int_t npidt = 2); //Number ofparticle types to be processed | |
51 | virtual void SetDeltap(Float_t deltp = 0.1); //maximum range for random momentum shifts in GeV/c; | |
52 | //px,py,pz independent; Default = 0.1 GeV/c. | |
20dddfab | 53 | virtual void SetMaxIterations(Int_t maxiter = 50);// |
2b9786f4 | 54 | virtual void SetDelChi(Float_t dc = 0.1); |
55 | virtual void SetIRand(Int_t irnd = 76564) ; | |
56 | ||
57 | virtual void SetLambda(Float_t lam = 0.6); | |
58 | virtual void SetR1d(Float_t r = 7.0) ; | |
59 | virtual void SetRSide(Float_t rs = 6.0); | |
60 | virtual void SetROut(Float_t ro = 7.0) ; | |
61 | virtual void SetRLong(Float_t rl = 4.0) ; | |
62 | virtual void SetRPerp(Float_t rp = 6.0); | |
63 | virtual void SetRParallel(Float_t rprl = 4.0); | |
64 | virtual void SetR0(Float_t r0 = 4.0) ; | |
65 | virtual void SetQ0(Float_t q0 = 9.0) ; | |
66 | virtual void SetSwitch1D(Int_t s1d = 3); | |
67 | virtual void SetSwitch3D(Int_t s3d = 0) ; | |
68 | virtual void SetSwitchType(Int_t st = 3); | |
69 | virtual void SetSwitchCoherence(Int_t sc = 0); | |
70 | virtual void SetSwitchCoulomb(Int_t scol = 2); | |
71 | virtual void SetSwitchFermiBose(Int_t sfb = 1); | |
72 | ||
73 | virtual void SetMomentumRange(Float_t pmin=0, Float_t pmax=0); //Dummy method | |
74 | virtual void SetPtRange(Float_t ptmin = 0.1, Float_t ptmax = 0.98); | |
75 | virtual void SetPxRange(Float_t pxmin = -1.0, Float_t pxmax = 1.0); | |
76 | virtual void SetPyRange(Float_t pymin = -1.0, Float_t pymax = 1.0); | |
77 | virtual void SetPzRange(Float_t pzmin = -3.6, Float_t pzmax = 3.6); | |
78 | ||
79 | virtual void SetPhiRange(Float_t phimin = 0.0, Float_t phimax = 360.0);//Angle in degrees | |
80 | //coherent with AliGenCocktail | |
81 | //incohernet with AliGenerator | |
82 | virtual void SetEtaRange(Float_t etamin = -1.5, Float_t etamax = 1.5);//Pseudorapidity | |
4c90f2a0 | 83 | void SetThetaRange(Float_t thetamin = 0, Float_t thetamax = 180); //Azimuthal angle, override AliGenerator method |
84 | //which uses this, core fortran HBTProcessor uses Eta (pseudorapidity) | |
85 | //so these methods has to be synchronized | |
86 | ||
2b9786f4 | 87 | virtual void SetNPtBins(Int_t nptbin = 50); |
88 | virtual void SetNPhiBins(Int_t nphibin = 50); | |
89 | virtual void SetNEtaBins(Int_t netabin = 50); | |
90 | virtual void SetNPxBins(Int_t npxbin = 20); | |
91 | virtual void SetNPyBins(Int_t npybin = 20); | |
92 | virtual void SetNPzBins(Int_t npzbin = 70); | |
93 | ||
94 | ||
95 | virtual void SetNBins1DFineMesh(Int_t n = 10); | |
96 | virtual void SetBinSize1DFineMesh(Float_t x=0.01); | |
97 | ||
98 | virtual void SetNBins1DCoarseMesh(Int_t n =2 ); | |
99 | virtual void SetBinSize1DCoarseMesh(Float_t x=0.05); | |
100 | ||
101 | virtual void SetNBins3DFineMesh(Int_t n = 8); | |
102 | virtual void SetBinSize3DFineMesh(Float_t x=0.01); | |
103 | ||
104 | virtual void SetNBins3DCoarseMesh(Int_t n = 2); | |
105 | virtual void SetBinSize3DCoarseMesh(Float_t x=0.08); | |
106 | ||
107 | virtual void SetNBins3DFineProjectMesh(Int_t n =3 ); | |
108 | /***********************************************************************/ | |
109 | /* * * * * * * P R O T E C T E D A R E A * * * * * * * * * * * */ | |
110 | /***********************************************************************/ | |
111 | protected: | |
112 | ||
113 | THBTprocessor * fHBTprocessor; //pointer to generator (TGenerator) | |
114 | Int_t **fHbtPStatCodes; //! hbtp status codes of particles | |
115 | Int_t fNPDGCodes; //! Number of defined particles | |
116 | Int_t fPDGCode[kHBTPMaxParticleTypes]; //! PDG codes (for conversion PDG<->Geant) | |
117 | void DefineParticles(); //initiates array with PDG codes | |
118 | void InitStatusCodes(); //Initiates status codes (allocates memory and sets everything to zero) | |
119 | void CleanStatusCodes(); //deletes array with status codes | |
120 | /********** P A R A M E T E R S OF THE GENERATOR****************/ | |
121 | ||
122 | Float_t fTrackRejectionFactor; //variates in range 0.0 <-> 1.0 | |
123 | //Describes the factor of particles rejected from the output. | |
124 | //Used only in case of low muliplicity particles e.g. lambdas. | |
125 | //Processor generates addisional particles and builds the | |
126 | //correletions on such a statistics. | |
127 | //At the end these particels are left in the event according | |
128 | //to this factor: 1==all particles are left | |
129 | // 0==all are removed | |
130 | Int_t fReferenceControl; //switch wether read reference histograms from file =1 | |
131 | // compute from input events =2 - default | |
132 | Int_t fPrintFull; // Full print out option - each event | |
133 | Int_t fPrintSectorData; // Print sector overflow diagnostics | |
134 | Int_t fNPidTypes; // # particle ID types to correlate | |
135 | Int_t fPid[2]; // Geant particle ID #s, max of 2 types | |
136 | Int_t fNevents ; // # events in input event text file | |
20dddfab | 137 | Int_t fSwitch1d; // Include 1D correlations |
138 | Int_t fSwitch3d; // Include 3D correlations | |
139 | Int_t fSwitchType ; // For like, unlike or both PID pairs | |
140 | Int_t fSwitchCoherence; // To include incoh/coher mixed source | |
141 | Int_t fSwitchCoulomb; // Coulomb correction selection options | |
142 | Int_t fSwitchFermiBose; // For fermions or bosons | |
2b9786f4 | 143 | |
2b9786f4 | 144 | // Counters: |
145 | ||
20dddfab | 146 | Int_t fEventLineCounter; // Input event text file line counter |
2b9786f4 | 147 | Int_t fMaxit; // Max # iterations in track adjustment |
148 | Int_t fIrand; // Random # starting seed (Def=12345) | |
2b9786f4 | 149 | // // line counter |
150 | ||
151 | // Correlation Model Parameters: | |
152 | ||
153 | Float_t fLambda; // Chaoticity parameter | |
20dddfab | 154 | Float_t fR1d; // Spherical source radius (fm) |
2b9786f4 | 155 | Float_t fRside; // 3D Bertsch-Pratt source 'side' R (fm) |
156 | Float_t fRout; // 3D Bertsch-Pratt source 'out' R (fm) | |
157 | Float_t fRlong; // 3D Bertsch-Pratt source 'long' R (fm) | |
158 | Float_t fRperp; // 3D YKP source transverse radius (fm) | |
159 | Float_t fRparallel; // 3D YKP source longitudinal radius(fm) | |
160 | Float_t fR0; // 3D YKP source emission time durat(fm) | |
161 | Float_t fQ0; // NA35 Coulomb parameter (GeV/c) or | |
162 | // // Coul radius for Pratt finite src (fm) | |
163 | ||
164 | // Search Control Parameters: | |
165 | ||
166 | ||
167 | Float_t fDeltap; // Max limit for x,y,z momt shifts(GeV/c) | |
168 | Float_t fDelchi; // Min% change in Chi-Sq to stop iterat. | |
169 | ||
170 | ||
2b9786f4 | 171 | // Particle Masses: |
172 | ||
2b9786f4 | 173 | |
174 | /********** M E S H ****************/ | |
175 | ||
176 | ||
20dddfab | 177 | Int_t fNPtBins; // # one-body pt bins |
178 | Int_t fNPhiBins; // # one-body phi bins | |
179 | Int_t fNEtaBins; // # one-body eta bins | |
2b9786f4 | 180 | |
20dddfab | 181 | Int_t fN1dFine; // # bins for 1D, Fine Mesh |
182 | Int_t fN1dCoarse; // # bins for 1D, Coarse Mesh | |
183 | Int_t fN1dTotal; // Total # bins for 1D | |
184 | Int_t fN3dFine ; // # bins for 3D, Fine Mesh | |
185 | Int_t fN3dCoarse; // # bins for 3D, Coarse Mesh | |
186 | Int_t fN3dTotal; // Total # bins for 3D | |
187 | Int_t fN3dFineProject; // # 3D fine mesh bins to sum over for | |
2b9786f4 | 188 | |
189 | // Momentum Space Sectors for Track Sorting: | |
190 | ||
20dddfab | 191 | Int_t fNPxBins; // # sector bins in px |
192 | Int_t fNPyBins; // # sector bins in py | |
193 | Int_t fNPzBins; // # sector bins in pz | |
194 | Int_t fNSectors; // Total # sectors in 3D momentum space | |
2b9786f4 | 195 | |
2b9786f4 | 196 | |
20dddfab | 197 | Float_t fPtBinSize ; // One-body pt bin size in (GeV/c) |
2b9786f4 | 198 | |
199 | ||
20dddfab | 200 | Float_t fPhiBinSize; // One-body phi bin size in (degrees) |
2b9786f4 | 201 | |
20dddfab | 202 | Float_t fEtaBinSize ; // One-body eta bin size |
ff6aba1e | 203 | Float_t fEtaMin; // One-body eta min |
204 | Float_t fEtaMax; // One-body eta max | |
2b9786f4 | 205 | // Two-Body Histograms and Correlation Mesh for 1D and 3D distributions: |
206 | // // projections onto single axis. | |
207 | ||
20dddfab | 208 | Float_t fBinsize1dFine; // Bin Size - 1D, Fine Mesh in (GeV/c) |
209 | Float_t fBinsize1dCoarse; // Bin Size - 1D, Coarse Mesh in (GeV/c) | |
210 | Float_t fQmid1d; // q (GeV/c) at fine-coarse mesh boundary | |
211 | Float_t fQmax1d; // Max q (GeV/c) for 1D distributions | |
212 | Float_t fBinsize3dFine; // Bin Size - 3D, Fine Mesh in (GeV/c) | |
213 | Float_t fBinsize3dCoarse; // Bin Size - 3D, Coarse Mesh in (GeV/c) | |
214 | Float_t fQmid3d; // q (GeV/c) at fine-coarse mesh boundary | |
215 | Float_t fQmax3d; // Max q (GeV/c) for 3D distributions | |
216 | ||
217 | Float_t fPxMin; // Sector range in px in GeV/c | |
218 | Float_t fPxMax; //--//-- | |
2b9786f4 | 219 | Float_t fDelpx; // Mom. space sector cell size - px(GeV/c) |
220 | ||
20dddfab | 221 | Float_t fPyMin; // Sector range in py in GeV/c |
222 | Float_t fPyMax; // --//-- | |
2b9786f4 | 223 | Float_t fDelpy; // Mom. space sector cell size - py(GeV/c) |
224 | ||
20dddfab | 225 | Float_t fPzMin; // Sector range in pz in GeV/c min |
226 | Float_t fPzMax; // Sector range in pz in GeV/c max | |
2b9786f4 | 227 | Float_t fDelpz; // Mom. space sector cell size - pz(GeV/c) |
228 | ||
4c90f2a0 | 229 | |
230 | /******* P R O T E C T E D M E T H O D S *****/ | |
ff6aba1e | 231 | private: |
4c90f2a0 | 232 | public: |
233 | //conveerts Eta (pseudorapidity) to etha(azimuthal angle). Returns radians | |
234 | static Double_t EtaToTheta(Double_t arg){return 2.*TMath::ATan(TMath::Exp(-arg));} | |
235 | //converts etha(azimuthal angle) to Eta (pseudorapidity). Argument in radians | |
236 | static Double_t ThetaToEta(Double_t arg); | |
237 | //converts Degrees To Radians | |
238 | static Double_t DegreesToRadians(Double_t arg){return arg*TMath::Pi()/180.;} | |
239 | //converts Radians To Degrees | |
240 | static Double_t RadiansToDegrees(Double_t arg){return arg*180./TMath::Pi();} | |
241 | ||
2b9786f4 | 242 | ClassDef(AliGenHBTprocessor,1) // Interface class for AliMevsim |
243 | ||
244 | }; | |
159ec319 | 245 | #include <Riostream.h> |
2b9786f4 | 246 | #endif |