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Commit | Line | Data |
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f4417773 | 1 | enum gentype_t {hijing, hijingParam, gun, box, pythia, |
11a136ef | 2 | param1, param2, param3, param4, |
395b2e02 | 3 | cocktail, fluka, halo, ntuple, scan, doublescan}; |
916c29ab | 4 | |
11a136ef | 5 | gentype_t gentype=param4; |
916c29ab | 6 | |
916c29ab | 7 | ntracks=1; |
8 | ||
9 | void Config() | |
10 | { | |
11 | ||
b9d0a01d | 12 | new TGeant3("C++ Interface to Geant3"); |
916c29ab | 13 | |
14 | //======================================================================= | |
15 | // Create the output file | |
16 | ||
17 | TFile *rootfile = new TFile("galice.root","recreate"); | |
18 | rootfile->SetCompressionLevel(2); | |
19 | TGeant3 *geant3 = (TGeant3*)gMC; | |
20 | ||
11a136ef | 21 | // |
22 | // Set External decayer | |
23 | AliDecayer* decayer = new AliDecayerPythia(); | |
24 | decayer->SetForceDecay(kAll); | |
25 | decayer->Init(); | |
26 | gMC->SetExternalDecayer(decayer); | |
27 | ||
916c29ab | 28 | //======================================================================= |
29 | // ******* GEANT STEERING parameters FOR ALICE SIMULATION ******* | |
30 | geant3->SetTRIG(1); //Number of events to be processed | |
31 | geant3->SetSWIT(4,10); | |
32 | geant3->SetDEBU(0,0,1); | |
33 | //geant3->SetSWIT(2,2); | |
34 | geant3->SetDCAY(1); | |
35 | geant3->SetPAIR(1); | |
36 | geant3->SetCOMP(1); | |
37 | geant3->SetPHOT(1); | |
38 | geant3->SetPFIS(0); | |
39 | geant3->SetDRAY(0); | |
40 | geant3->SetANNI(1); | |
41 | geant3->SetBREM(1); | |
42 | geant3->SetMUNU(1); | |
43 | geant3->SetCKOV(1); | |
44 | geant3->SetHADR(1); //Select pure GEANH (HADR 1) or GEANH/NUCRIN (HADR 3) | |
45 | geant3->SetLOSS(2); | |
46 | geant3->SetMULS(1); | |
47 | geant3->SetRAYL(1); | |
48 | geant3->SetAUTO(1); //Select automatic STMIN etc... calc. (AUTO 1) or manual (AUTO 0) | |
49 | geant3->SetABAN(0); //Restore 3.16 behaviour for abandoned tracks | |
50 | geant3->SetOPTI(2); //Select optimisation level for GEANT geometry searches (0,1,2) | |
51 | Float_t cut = 1.e-3; // 1MeV cut by default | |
52 | Float_t tofmax = 1.e10; | |
53 | // GAM ELEC NHAD CHAD MUON EBREM MUHAB EDEL MUDEL MUPA TOFMAX | |
54 | geant3->SetCUTS(cut,cut, cut, cut, cut, cut, cut, cut, cut, cut, tofmax); | |
55 | // | |
56 | //======================================================================= | |
57 | // ************* STEERING parameters FOR ALICE SIMULATION ************** | |
58 | // --- Specify event type to be tracked through the ALICE setup | |
59 | // --- All positions are in cm, angles in degrees, and P and E in GeV | |
60 | ||
61 | switch(gentype) | |
62 | { | |
63 | case gun: | |
64 | //********************************************* | |
65 | // Example for Fixed Particle Gun | |
66 | //********************************************* | |
67 | AliGenFixed *gener = new AliGenFixed(ntracks); | |
68 | gener->SetMomentum(50); | |
69 | gener->SetPhi(180.); | |
70 | gener->SetTheta(5.); | |
71 | gener->SetOrigin(0,0,0); //vertex position | |
72 | gener->SetPart(13); //GEANT particle type | |
73 | break; | |
74 | case box: | |
75 | //********************************************* | |
76 | // Example for Moving Particle Gun * | |
77 | //********************************************* | |
78 | AliGenBox *gener = new AliGenBox(ntracks); | |
79 | gener->SetMomentumRange(3,4); | |
80 | gener->SetPhiRange(0,360); | |
81 | gener->SetThetaRange(90, 180. ); | |
82 | gener->SetOrigin(0,0,0); | |
83 | //vertex position | |
84 | gener->SetSigma(0,0,0); //Sigma in (X,Y,Z) (cm) on IP position | |
85 | gener->SetPart(5); //GEANT particle type | |
86 | break; | |
87 | case scan: | |
88 | //********************************************* | |
89 | // Scanning on a grid * | |
90 | //********************************************* | |
91 | AliGenScan *gener = new AliGenScan(-1); | |
92 | gener->SetMomentumRange(4,4); | |
93 | gener->SetPhiRange(0,360); | |
94 | gener->SetThetaRange(9,9); | |
95 | //vertex position | |
96 | gener->SetSigma(6,6,0); //Sigma in (X,Y,Z) (cm) on IP position | |
97 | gener->SetPart(5); | |
98 | gener->SetRange(20, -100, 100, 20, -100, 100, 1, 500, 500); | |
99 | break; | |
100 | ||
50ea53d9 | 101 | case hijingParam: |
916c29ab | 102 | AliGenHIJINGpara *gener = new AliGenHIJINGpara(ntracks); |
103 | gener->SetMomentumRange(0,999); | |
104 | gener->SetPhiRange(0,360); | |
105 | gener->SetThetaRange(2,10); | |
106 | gener->SetOrigin(0,0,0); //vertex position | |
107 | gener->SetSigma(0,0,0); //Sigma in (X,Y,Z) (cm) on IP position | |
108 | break; | |
50ea53d9 | 109 | case hijing: |
50ea53d9 | 110 | AliGenHijing *gener = new AliGenHijing(-1); |
111 | // centre of mass energy | |
112 | gener->SetEnergyCMS(5500); | |
113 | // reference frame | |
114 | gener->SetReferenceFrame("CMS "); | |
115 | // projectile | |
116 | gener->SetProjectile("A ", 208, 82); | |
117 | gener->SetTarget ("A ", 208, 82); | |
118 | // impact parameter range | |
119 | gener->SetImpactParameterRange(0, 3.); | |
120 | // evaluate cross section before run | |
121 | gener->SetEvaluate(1); | |
122 | // tell hijing to keep the full parent child chain | |
123 | gener->KeepFullEvent(); | |
124 | // enable jet quenching | |
125 | gener->SetJetQuenching(1); | |
126 | // enable shadowing | |
127 | gener->SetShadowing(1); | |
128 | // neutral pion and heavy particle decays switched off | |
129 | gener->SetDecaysOff(1); | |
130 | // trigger | |
131 | gener->SetTrigger(0); | |
132 | // kinematic selection | |
133 | gener->SetSelectAll(0); | |
134 | // momentum range | |
135 | gener->SetMomentumRange(0,999); | |
136 | // phi range | |
137 | gener->SetPhiRange(-180,180); | |
138 | // theta range | |
139 | gener->SetThetaRange(0,180.); | |
140 | // select flavor (0: no, 4: charm+beauty, 5:beauty) | |
141 | gener->SetFlavor(4); | |
142 | // | |
143 | gener->SetOrigin(0., 0.0 ,0); | |
144 | gener->SetSigma(0,0,5.3); | |
aee8290b | 145 | gener->SetVertexSmear(kPerEvent); |
50ea53d9 | 146 | // no tracking |
147 | gener->SetTrackingFlag(0); | |
d6249ec3 | 148 | break; |
149 | ||
916c29ab | 150 | case pythia: |
151 | //******************************************** | |
152 | // Example for Charm Production with Pythia * | |
153 | //******************************************** | |
e417bd32 | 154 | AliGenPythia *gener = new AliGenPythia(-1); |
155 | // final state kinematic cuts | |
916c29ab | 156 | gener->SetMomentumRange(0,999); |
e417bd32 | 157 | gener->SetPhiRange(-180,180); |
916c29ab | 158 | gener->SetThetaRange(0., 180.); |
159 | gener->SetYRange(-10,10); | |
160 | gener->SetPtRange(0,100); | |
e417bd32 | 161 | // vertex position and smearing |
162 | gener->SetOrigin(0,0,0); // vertex position | |
163 | gener->SetVertexSmear(kPerEvent); | |
164 | gener->SetSigma(0,0,5.6); // Sigma in (X,Y,Z) (cm) on IP position | |
165 | // Structure function | |
166 | // DO_Set_1 | |
167 | // GRV_LO | |
168 | // GRV_HO | |
169 | // MRS_D_minus | |
170 | // MRS_D0 | |
171 | // MRS_G | |
172 | // CTEQ_2pM | |
173 | // CTEQ_4M | |
11a136ef | 174 | gener->SetStrucFunc(kGRV_HO); |
e417bd32 | 175 | // Select corection for nuclear structure functions |
176 | // gener->SetNuclei(208,208); | |
177 | // | |
178 | // Process type | |
179 | // charm, beauty, charm_unforced, beauty_unforced, jpsi, jpsi_chi, mb | |
11a136ef | 180 | gener->SetProcess(kPyBeauty); |
e417bd32 | 181 | // |
182 | // Pt transfer of the hard scattering | |
183 | gener->SetPtHard(0.,5.); | |
184 | // Decay type (semielectronic, semimuonic, nodecay) | |
11a136ef | 185 | gener->SetForceDecay(kSemiElectronic); |
e417bd32 | 186 | // Centre of mass energy |
916c29ab | 187 | gener->SetEnergyCMS(5500.); |
e417bd32 | 188 | // No Tracking |
189 | gener->SetTrackingFlag(0); | |
190 | break; | |
395b2e02 | 191 | |
192 | case param1: | |
916c29ab | 193 | //******************************************************* |
395b2e02 | 194 | // Example for J/psi Production from Parameterisation |
195 | // using default library (AliMUONlib) | |
916c29ab | 196 | //******************************************************* |
395b2e02 | 197 | AliGenParam *gener = |
11a136ef | 198 | new AliGenParam(ntracks, AliGenMUONlib::kUpsilon); |
916c29ab | 199 | gener->SetMomentumRange(0,999); |
395b2e02 | 200 | gener->SetPtRange(0,999); |
201 | gener->SetPhiRange(-180, 180); | |
916c29ab | 202 | gener->SetYRange(2.5,4); |
395b2e02 | 203 | gener->SetCutOnChild(1); |
204 | gener->SetChildThetaRange(2,9); | |
916c29ab | 205 | gener->SetOrigin(0,0,0); //vertex position |
395b2e02 | 206 | gener->SetSigma(0,0,5.3); //Sigma in (X,Y,Z) (cm) on IP position |
11a136ef | 207 | gener->SetForceDecay(kDiMuon); |
395b2e02 | 208 | gener->SetTrackingFlag(0); |
209 | break; | |
210 | ||
211 | case param2: | |
212 | //******************************************************* | |
213 | // Example for Omega Production from Parameterisation | |
214 | // specifying library. | |
215 | //******************************************************* | |
11a136ef | 216 | AliGenParam *gener = new AliGenParam(1000,new AliGenPHOSlib(), |
217 | AliGenPHOSlib::kOmega); | |
218 | gener->SetWeighting(kNonAnalog); | |
219 | gener->SetForceDecay(kNoDecay); | |
395b2e02 | 220 | gener->SetPtRange(0,100); |
221 | gener->SetThetaRange(45,135); | |
222 | gener->SetTrackingFlag(0); | |
223 | break; | |
224 | ||
225 | case param3: | |
226 | //******************************************************* | |
227 | // Example for Upsilon Production from Parameterisation | |
228 | // specifying library. | |
229 | // GSI style | |
230 | //******************************************************* | |
11a136ef | 231 | AliGenParam *gener = new AliGenParam(1000,new AliGenGSIlib(), |
232 | AliGenGSIlib::kUpsilon, "MUON"); | |
395b2e02 | 233 | gener->SetMomentumRange(0,999); |
234 | gener->SetPtRange(0,999); | |
235 | gener->SetPhiRange(-180, 180); | |
236 | gener->SetYRange(2.5,4); | |
916c29ab | 237 | gener->SetCutOnChild(1); |
395b2e02 | 238 | gener->SetChildThetaRange(2,9); |
239 | gener->SetOrigin(0,0,0); //vertex position | |
240 | gener->SetSigma(0,0,5.3); //Sigma in (X,Y,Z) (cm) on IP position | |
11a136ef | 241 | gener->SetForceDecay(kDiMuon); |
395b2e02 | 242 | gener->SetTrackingFlag(0); |
243 | break; | |
244 | ||
245 | case param4: | |
246 | //******************************************************* | |
247 | // Example for Omega Production from Parameterisation | |
248 | // specifying library. | |
249 | // The alternative way. | |
250 | //******************************************************* | |
251 | AliGenLib* Lib=new AliGenPHOSlib(); | |
11a136ef | 252 | Int_t iOmega = AliGenPHOSlib::kOmega; |
253 | AliGenParam *gener = new AliGenParam(50, iOmega, | |
254 | Lib->GetPt(iOmega, ""), | |
255 | Lib->GetY (iOmega, ""), | |
256 | Lib->GetIp(iOmega, "")); | |
257 | gener->SetWeighting(kNonAnalog); | |
258 | gener->SetForceDecay(kNoDecay); | |
395b2e02 | 259 | gener->SetTrackingFlag(0); |
916c29ab | 260 | break; |
261 | ||
262 | case fluka: | |
263 | //******************************************************* | |
264 | // Example for a FLUKA Boundary Source * | |
265 | //******************************************************* | |
266 | AliGenFLUKAsource *gener = new AliGenFLUKAsource(-1); | |
1aa4f403 | 267 | gener->SetFileName("$(ALICE_ROOT)/data/all32.root"); |
916c29ab | 268 | gener->SetPartFlag(9); |
269 | gener->SetAgeMax(1.e-5); | |
270 | // 31.7 events | |
271 | gener->SetFraction(0.0315); | |
272 | // gener->SetFraction(0.75*0.0315); | |
273 | rootfile->cd(); | |
274 | // gener->SetPartFlag(10); | |
275 | gener->SetMomentumRange(0,999); | |
276 | gener->SetPhiRange(0,360); | |
277 | gener->SetThetaRange(0., 180.); | |
278 | gener->SetAgeMax(1.e-5); | |
279 | ||
280 | // 31.7 events | |
281 | // gener->SetFraction(0.0315); | |
282 | break; | |
283 | ||
284 | case ntuple: | |
285 | //******************************************************* | |
286 | // Example for reading from a external file * | |
287 | //******************************************************* | |
288 | AliGenExtFile *gener = new AliGenExtFile(-1); | |
289 | gener->SetFileName("$(ALICE_ROOT)/data/dtujet93.root"); | |
aee8290b | 290 | gener->SetVertexSmear(kPerEvent); |
916c29ab | 291 | gener->SetTrackingFlag(1); |
292 | break; | |
293 | ||
294 | case halo: | |
295 | //******************************************************* | |
296 | // Example for Tunnel Halo Source * | |
297 | //******************************************************* | |
298 | AliGenHalo *gener = new AliGenHalo(ntracks); | |
299 | gener->SetFileName("/h1/morsch/marsip/marsip5.mu"); | |
300 | break; | |
301 | ||
302 | case cocktail: | |
303 | //******************************************************* | |
304 | // Example for a Cocktail * | |
305 | //******************************************************* | |
306 | ||
307 | AliGenCocktail *gener = new AliGenCocktail(); | |
308 | ||
309 | gener->SetPhiRange(0,360); | |
310 | gener->SetYRange(2.5,4); | |
311 | gener->SetThetaRange(2,9); | |
312 | gener->SetPtRange(0,10); | |
313 | gener->SetOrigin(0,0,0); //vertex position | |
314 | gener->SetSigma(0,0,0); //Sigma in (X,Y,Z) (cm) on IP position | |
315 | gener->SetMomentumRange(0,999); | |
316 | ||
317 | AliGenParam *jpsi = new AliGenParam(1,jpsi_p); | |
3e7b17bf | 318 | jpsi->SetForceDecay(dimuon); |
916c29ab | 319 | jpsi->SetCutOnChild(1); |
320 | ||
321 | ||
322 | AliGenFLUKAsource *bg = new AliGenFLUKAsource(-1); | |
323 | bg->AddFile("$(ALICE_ROOT)/data/all32.root"); | |
324 | rootfile->cd(); | |
325 | bg->SetPartFlag(9); | |
326 | bg->SetAgeMax(1.e-5); | |
327 | // 31.7 events | |
328 | // gener->SetFraction(0.0315); | |
329 | bg->SetFraction(0.01*0.0315); | |
330 | ||
331 | gener->AddGenerator(jpsi,"J/Psi", 1); | |
332 | gener->AddGenerator(bg,"Background",1); | |
333 | ||
334 | break; | |
335 | } | |
336 | ||
337 | // Activate this line if you want the vertex smearing to happen | |
338 | // track by track | |
339 | // | |
aee8290b | 340 | // gener->SetVertexSmear(kPerTrack); |
916c29ab | 341 | |
342 | gener->Init(); | |
343 | ||
344 | gAlice->SetField(-999,2); //Specify maximum magnetic field in Tesla (neg. ==> default field) | |
345 | ||
346 | Int_t iMAG=1; | |
916c29ab | 347 | |
348 | //=================== Alice BODY parameters ============================= | |
349 | AliBODY *BODY = new AliBODY("BODY","Alice envelop"); | |
350 | ||
351 | ||
352 | if(iMAG) { | |
353 | //=================== MAG parameters ============================ | |
354 | // --- Start with Magnet since detector layouts may be depending --- | |
355 | // --- on the selected Magnet dimensions --- | |
356 | AliMAG *MAG = new AliMAG("MAG","Magnet"); | |
357 | } | |
916c29ab | 358 | } |