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1 | #if !defined(__CINT__) || defined(__MAKECINT__) | |
2 | #include <Riostream.h> | |
3 | #include <TRandom.h> | |
4 | #include <TSystem.h> | |
5 | #include <TVirtualMC.h> | |
6 | #include <TGeant3.h> | |
7 | #include "STEER/AliRunLoader.h" | |
8 | #include "STEER/AliRun.h" | |
9 | #include "STEER/AliConfig.h" | |
10 | #include "PYTHIA6/AliDecayerPythia.h" | |
11 | #include "EVGEN/AliGenCocktail.h" | |
12 | #include "EVGEN/AliGenFixed.h" | |
13 | #include "EVGEN/AliGenBox.h" | |
14 | #include "EVGEN/AliGenScan.h" | |
15 | #include "EVGEN/AliGenHIJINGpara.h" | |
16 | #include "THijing/AliGenHijing.h" | |
17 | #include "PYTHIA6/AliGenPythia.h" | |
18 | #include "THerwig/AliGenHerwig.h" | |
19 | #include "EVGEN/AliGenParam.h" | |
20 | #include "EVGEN/AliGenMUONlib.h" | |
21 | #include "EVGEN/AliGenPHOSlib.h" | |
22 | #include "EVGEN/AliGenGSIlib.h" | |
23 | #include "EVGEN/AliGenFLUKAsource.h" | |
24 | #include "EVGEN/AliGenExtFile.h" | |
25 | #include "EVGEN/AliGenHalo.h" | |
26 | #include "EVGEN/AliGenReaderTreeK.h" | |
27 | #include "STRUCT/AliBODY.h" | |
28 | #include "STRUCT/AliMAG.h" | |
29 | #endif | |
30 | ||
31 | enum gentype_t {hijing, hijingParam, gun, box, pythia, herwig, mcatnlo, | |
32 | param1, param2, param3, param4, | |
33 | cocktail, fluka, halo, ntuple, scan}; | |
34 | ||
35 | gentype_t gentype = mcatnlo; | |
36 | ||
37 | Int_t ntracks=1; | |
38 | ||
39 | void Config() | |
40 | { | |
41 | ||
42 | // Set Random Number seed | |
43 | gRandom->SetSeed(12345); //Set 0 to use the current time | |
44 | cout<<"Seed for random number generation= "<<gRandom->GetSeed()<<endl; | |
45 | ||
46 | ||
47 | // libraries required by geant321 | |
48 | #if defined(__CINT__) | |
49 | gSystem->Load("libgeant321"); | |
50 | #endif | |
51 | ||
52 | new TGeant3TGeo("C++ Interface to Geant3"); | |
53 | ||
54 | //======================================================================= | |
55 | // Create the output file | |
56 | ||
57 | AliRunLoader* rl=0x0; | |
58 | ||
59 | cout<<"Config.C: Creating Run Loader ..."<<endl; | |
60 | rl = AliRunLoader::Open("galice.root", | |
61 | AliConfig::GetDefaultEventFolderName(), | |
62 | "recreate"); | |
63 | if (rl == 0x0) | |
64 | { | |
65 | gAlice->Fatal("Config.C","Can not instatiate the Run Loader"); | |
66 | return; | |
67 | } | |
68 | rl->SetCompressionLevel(2); | |
69 | rl->SetNumberOfEventsPerFile(3); | |
70 | gAlice->SetRunLoader(rl); | |
71 | ||
72 | // | |
73 | // Set External decayer | |
74 | AliDecayer* decayer = new AliDecayerPythia(); | |
75 | decayer->SetForceDecay(kAll); | |
76 | decayer->Init(); | |
77 | gMC->SetExternalDecayer(decayer); | |
78 | ||
79 | ||
80 | // | |
81 | //======================================================================= | |
82 | // ************* STEERING parameters FOR ALICE SIMULATION ************** | |
83 | // --- Specify event type to be tracked through the ALICE setup | |
84 | // --- All positions are in cm, angles in degrees, and P and E in GeV | |
85 | ||
86 | ||
87 | gMC->SetProcess("DCAY",1); | |
88 | gMC->SetProcess("PAIR",1); | |
89 | gMC->SetProcess("COMP",1); | |
90 | gMC->SetProcess("PHOT",1); | |
91 | gMC->SetProcess("PFIS",0); | |
92 | gMC->SetProcess("DRAY",0); | |
93 | gMC->SetProcess("ANNI",1); | |
94 | gMC->SetProcess("BREM",1); | |
95 | gMC->SetProcess("MUNU",1); | |
96 | gMC->SetProcess("CKOV",1); | |
97 | gMC->SetProcess("HADR",1); | |
98 | gMC->SetProcess("LOSS",2); | |
99 | gMC->SetProcess("MULS",1); | |
100 | gMC->SetProcess("RAYL",1); | |
101 | ||
102 | Float_t cut = 1.e-3; // 1MeV cut by default | |
103 | Float_t tofmax = 1.e10; | |
104 | ||
105 | gMC->SetCut("CUTGAM", cut); | |
106 | gMC->SetCut("CUTELE", cut); | |
107 | gMC->SetCut("CUTNEU", cut); | |
108 | gMC->SetCut("CUTHAD", cut); | |
109 | gMC->SetCut("CUTMUO", cut); | |
110 | gMC->SetCut("BCUTE", cut); | |
111 | gMC->SetCut("BCUTM", cut); | |
112 | gMC->SetCut("DCUTE", cut); | |
113 | gMC->SetCut("DCUTM", cut); | |
114 | gMC->SetCut("PPCUTM", cut); | |
115 | gMC->SetCut("TOFMAX", tofmax); | |
116 | ||
117 | ||
118 | AliGenerator * gGener = 0x0; | |
119 | switch(gentype) | |
120 | { | |
121 | case gun: | |
122 | //********************************************* | |
123 | // Example for Fixed Particle Gun | |
124 | //********************************************* | |
125 | { | |
126 | AliGenFixed *gener = new AliGenFixed(ntracks); | |
127 | gener->SetMomentum(50); | |
128 | gener->SetPhi(180.); | |
129 | gener->SetTheta(5.); | |
130 | gener->SetOrigin(0,0,0); //vertex position | |
131 | gener->SetPart(kNeutron); | |
132 | gGener = gener; | |
133 | } | |
134 | break; | |
135 | case box: | |
136 | //********************************************* | |
137 | // Example for Moving Particle Gun * | |
138 | //********************************************* | |
139 | { | |
140 | AliGenBox *gener = new AliGenBox(ntracks); | |
141 | gener->SetMomentumRange(3,4); | |
142 | gener->SetPhiRange(0,360); | |
143 | gener->SetThetaRange(90, 180. ); | |
144 | gener->SetOrigin(0,0,0); | |
145 | //vertex position | |
146 | gener->SetSigma(0,0,0); //Sigma in (X,Y,Z) (cm) on IP position | |
147 | gener->SetPart(kMuonPlus); | |
148 | gGener = gener; | |
149 | } | |
150 | break; | |
151 | case scan: | |
152 | //********************************************* | |
153 | // Scanning on a grid * | |
154 | //********************************************* | |
155 | { | |
156 | AliGenScan *gener = new AliGenScan(-1); | |
157 | gener->SetMomentumRange(4,4); | |
158 | gener->SetPhiRange(0,360); | |
159 | gener->SetThetaRange(9,9); | |
160 | //vertex position | |
161 | gener->SetSigma(6,6,0); //Sigma in (X,Y,Z) (cm) on IP position | |
162 | gener->SetPart(kMuonPlus); | |
163 | gener->SetRange(20, -100, 100, 20, -100, 100, 1, 500, 500); | |
164 | gGener = gener; | |
165 | } | |
166 | break; | |
167 | ||
168 | case hijingParam: | |
169 | { | |
170 | AliGenHIJINGpara *gener = new AliGenHIJINGpara(ntracks); | |
171 | gener->SetMomentumRange(0,999); | |
172 | gener->SetPhiRange(0,360); | |
173 | gener->SetThetaRange(2,10); | |
174 | gener->SetOrigin(0,0,0); //vertex position | |
175 | gener->SetSigma(0,0,0); //Sigma in (X,Y,Z) (cm) on IP position | |
176 | gGener = gener; | |
177 | } | |
178 | break; | |
179 | case hijing: | |
180 | { | |
181 | AliGenHijing *gener = new AliGenHijing(-1); | |
182 | // centre of mass energy | |
183 | gener->SetEnergyCMS(5500); | |
184 | // reference frame | |
185 | gener->SetReferenceFrame("CMS "); | |
186 | // projectile | |
187 | gener->SetProjectile("A ", 208, 82); | |
188 | gener->SetTarget ("A ", 208, 82); | |
189 | // impact parameter range | |
190 | gener->SetImpactParameterRange(0, 3.); | |
191 | // evaluate cross section before run | |
192 | gener->SetEvaluate(0); | |
193 | // tell hijing to keep the full parent child chain | |
194 | gener->KeepFullEvent(); | |
195 | // enable jet quenching | |
196 | gener->SetJetQuenching(1); | |
197 | // enable shadowing | |
198 | gener->SetShadowing(1); | |
199 | // neutral pion and heavy particle decays switched off | |
200 | gener->SetDecaysOff(1); | |
201 | // trigger | |
202 | gener->SetTrigger(0); | |
203 | // kinematic selection | |
204 | gener->SetSelectAll(0); | |
205 | // momentum range | |
206 | gener->SetMomentumRange(0,999); | |
207 | // phi range | |
208 | gener->SetPhiRange(0.,360.); | |
209 | // theta range | |
210 | gener->SetThetaRange(0,180.); | |
211 | // select flavor (0: no, 4: charm+beauty, 5:beauty) | |
212 | gener->SetFlavor(0); | |
213 | // | |
214 | gener->SetOrigin(0., 0.0 ,0); | |
215 | gener->SetSigma(0,0,5.3); | |
216 | gener->SetVertexSmear(kPerEvent); | |
217 | // no tracking | |
218 | gener->SetTrackingFlag(0); | |
219 | gGener = gener; | |
220 | } | |
221 | break; | |
222 | ||
223 | case pythia: | |
224 | //******************************************** | |
225 | // Example for Charm Production with Pythia * | |
226 | //******************************************** | |
227 | { | |
228 | AliGenPythia *gener = new AliGenPythia(-1); | |
229 | // final state kinematic cuts | |
230 | gener->SetMomentumRange(0,999); | |
231 | gener->SetPhiRange(0. ,360.); | |
232 | gener->SetThetaRange(0., 180.); | |
233 | gener->SetYRange(-10,10); | |
234 | gener->SetPtRange(0,100); | |
235 | // vertex position and smearing | |
236 | gener->SetOrigin(0,0,0); // vertex position | |
237 | gener->SetVertexSmear(kPerEvent); | |
238 | gener->SetSigma(0,0,5.6); // Sigma in (X,Y,Z) (cm) on IP position | |
239 | // Structure function. See the list in EVGEN/AliStructFuncType.h | |
240 | gener->SetStrucFunc(kGRVHO); | |
241 | // Select corection for nuclear structure functions | |
242 | // gener->SetNuclei(208,208); | |
243 | // | |
244 | // Process type. See the list in PYTHIA6/AliPythia.h | |
245 | gener->SetProcess(kPyBeauty); | |
246 | // | |
247 | // Pt transfer of the hard scattering | |
248 | gener->SetPtHard(0.,5.); | |
249 | // Decay type (semielectronic, semimuonic, nodecay) | |
250 | gener->SetForceDecay(kSemiElectronic); | |
251 | // Centre of mass energy | |
252 | gener->SetEnergyCMS(5500.); | |
253 | // No Tracking | |
254 | gener->SetTrackingFlag(0); | |
255 | gGener = gener; | |
256 | } | |
257 | break; | |
258 | ||
259 | case herwig: | |
260 | //******************************************** | |
261 | // Example for Charm Production with Pythia * | |
262 | //******************************************** | |
263 | { | |
264 | AliGenHerwig *gener = new AliGenHerwig(-1); | |
265 | // final state kinematic cuts | |
266 | gener->SetMomentumRange(0,7000); | |
267 | gener->SetPhiRange(0. ,360.); | |
268 | gener->SetThetaRange(0., 180.); | |
269 | gener->SetYRange(-10,10); | |
270 | gener->SetPtRange(0,7000); | |
271 | // vertex position and smearing | |
272 | gener->SetOrigin(0,0,0); // vertex position | |
273 | gener->SetVertexSmear(kPerEvent); | |
274 | gener->SetSigma(0,0,5.6); // Sigma in (X,Y,Z) (cm) on IP position | |
275 | // Beam momenta | |
276 | gener->SetBeamMomenta(7000,7000); | |
277 | // Beams | |
278 | gener->SetProjectile("P"); | |
279 | gener->SetTarget("P"); | |
280 | // Structure function | |
281 | gener->SetStrucFunc(kGRVHO); | |
282 | // Hard scatering | |
283 | gener->SetPtHardMin(200); | |
284 | gener->SetPtRMS(20); | |
285 | // Min bias | |
286 | gener->SetProcess(8000); | |
287 | // No Tracking | |
288 | gener->SetTrackingFlag(0); | |
289 | gGener = gener; | |
290 | } | |
291 | break; | |
292 | ||
293 | case mcatnlo: | |
294 | { | |
295 | AliGenHerwig *gener = new AliGenHerwig(-1); | |
296 | gener->SetMomentumRange(0,7000); | |
297 | gener->SetPhiRange(0. ,360.); | |
298 | gener->SetThetaRange(0., 180.); | |
299 | gener->SetYRange(-10,10); | |
300 | gener->SetPtRange(0,7000); | |
301 | gener->SetOrigin(0,0,0); // vertex position | |
302 | gener->SetVertexSmear(kPerEvent); | |
303 | gener->SetSigma(0,0,5.6); // Sigma in (X,Y,Z) (cm) on IP position | |
304 | gener->SetBeamMomenta(7000,7000); | |
305 | gener->SetProjectile("P"); | |
306 | gener->SetTarget("P"); | |
307 | gener->SetStrucFunc(kCTEQ5M); | |
308 | gener->SetProcess(-1705); | |
309 | gener->SetHardProcessFile("sb.events"); | |
310 | gener->SetEventListRange(0,1); | |
311 | gener->SetTrackingFlag(0); | |
312 | gGener = gener; | |
313 | } | |
314 | break; | |
315 | ||
316 | case param1: | |
317 | //******************************************************* | |
318 | // Example for J/psi Production from Parameterisation | |
319 | // using default library (AliMUONlib) | |
320 | //******************************************************* | |
321 | { | |
322 | AliGenParam *gener = | |
323 | new AliGenParam(ntracks, AliGenMUONlib::kUpsilon); | |
324 | gener->SetMomentumRange(0,999); | |
325 | gener->SetPtRange(0,999); | |
326 | gener->SetPhiRange(0. , 360.); | |
327 | gener->SetYRange(2.5,4); | |
328 | gener->SetCutOnChild(1); | |
329 | gener->SetChildThetaRange(2,9); | |
330 | gener->SetOrigin(0,0,0); //vertex position | |
331 | gener->SetSigma(0,0,5.3); //Sigma in (X,Y,Z) (cm) on IP position | |
332 | gener->SetForceDecay(kDiMuon); | |
333 | gener->SetTrackingFlag(0); | |
334 | gGener = gener; | |
335 | } | |
336 | break; | |
337 | ||
338 | case param2: | |
339 | //******************************************************* | |
340 | // Example for Omega Production from Parameterisation | |
341 | // specifying library. | |
342 | //******************************************************* | |
343 | { | |
344 | AliGenParam *gener = new AliGenParam(1000,new AliGenPHOSlib(), | |
345 | AliGenPHOSlib::kOmega); | |
346 | gener->SetWeighting(kNonAnalog); | |
347 | gener->SetForceDecay(kNoDecay); | |
348 | gener->SetPtRange(0,100); | |
349 | gener->SetThetaRange(45,135); | |
350 | gener->SetTrackingFlag(0); | |
351 | gGener = gener; | |
352 | } | |
353 | break; | |
354 | ||
355 | case param3: | |
356 | //******************************************************* | |
357 | // Example for Upsilon Production from Parameterisation | |
358 | // specifying library. | |
359 | // GSI style | |
360 | //******************************************************* | |
361 | { | |
362 | AliGenParam *gener = new AliGenParam(1000,new AliGenGSIlib(), | |
363 | AliGenGSIlib::kUpsilon, "MUON"); | |
364 | gener->SetMomentumRange(0,999); | |
365 | gener->SetPtRange(0,999); | |
366 | gener->SetPhiRange(0., 360.); | |
367 | gener->SetYRange(2.5,4); | |
368 | gener->SetCutOnChild(1); | |
369 | gener->SetChildThetaRange(2,9); | |
370 | gener->SetOrigin(0,0,0); //vertex position | |
371 | gener->SetSigma(0,0,5.3); //Sigma in (X,Y,Z) (cm) on IP position | |
372 | gener->SetForceDecay(kDiMuon); | |
373 | gener->SetTrackingFlag(0); | |
374 | gGener = gener; | |
375 | } | |
376 | break; | |
377 | ||
378 | case param4: | |
379 | //******************************************************* | |
380 | // Example for Omega Production from Parameterisation | |
381 | // specifying library. | |
382 | // The alternative way. | |
383 | //******************************************************* | |
384 | { | |
385 | AliGenLib* Lib=new AliGenPHOSlib(); | |
386 | Int_t iOmega = AliGenPHOSlib::kOmega; | |
387 | AliGenParam *gener = new AliGenParam(50, iOmega, | |
388 | Lib->GetPt(iOmega, ""), | |
389 | Lib->GetY (iOmega, ""), | |
390 | Lib->GetIp(iOmega, "")); | |
391 | gener->SetPtRange(0,999); | |
392 | gener->SetWeighting(kNonAnalog); | |
393 | gener->SetForceDecay(kNoDecay); | |
394 | gener->SetTrackingFlag(0); | |
395 | gGener = gener; | |
396 | } | |
397 | break; | |
398 | ||
399 | case fluka: | |
400 | //******************************************************* | |
401 | // Example for a FLUKA Boundary Source * | |
402 | //******************************************************* | |
403 | { | |
404 | AliGenFLUKAsource *gener = new AliGenFLUKAsource(-1); | |
405 | gener->SetFileName("$(ALICE_ROOT)/data/all32.root"); | |
406 | gener->SetPartFlag(9); | |
407 | gener->SetAgeMax(1.e-5); | |
408 | // 31.7 events | |
409 | gener->SetFraction(0.0315); | |
410 | // gener->SetFraction(0.75*0.0315); | |
411 | rl->CdGAFile(); | |
412 | // gener->SetPartFlag(10); | |
413 | gener->SetMomentumRange(0,999); | |
414 | gener->SetPhiRange(0.,360.); | |
415 | gener->SetThetaRange(0., 180.); | |
416 | gener->SetAgeMax(1.e-5); | |
417 | ||
418 | // 31.7 events | |
419 | // gener->SetFraction(0.0315); | |
420 | gGener = gener; | |
421 | } | |
422 | break; | |
423 | ||
424 | case ntuple: | |
425 | //******************************************************* | |
426 | // Example for reading from a external file * | |
427 | //******************************************************* | |
428 | { | |
429 | AliGenExtFile *gener = new AliGenExtFile(-1); | |
430 | gener->SetVertexSmear(kPerEvent); | |
431 | gener->SetTrackingFlag(1); | |
432 | ||
433 | AliGenReaderTreeK * reader = new AliGenReaderTreeK(); | |
434 | reader->SetFileName("$(ALICE_ROOT)/data/dtujet93.root"); | |
435 | gener->SetReader(reader); | |
436 | gGener = gener; | |
437 | } | |
438 | break; | |
439 | ||
440 | case halo: | |
441 | //******************************************************* | |
442 | // Example for Tunnel Halo Source * | |
443 | //******************************************************* | |
444 | { | |
445 | AliGenHalo *gener = new AliGenHalo(ntracks); | |
446 | gener->SetFileName("/h1/morsch/marsip/marsip5.mu"); | |
447 | gGener = gener; | |
448 | } | |
449 | break; | |
450 | ||
451 | case cocktail: | |
452 | //******************************************************* | |
453 | // Example for a Cocktail * | |
454 | //******************************************************* | |
455 | { | |
456 | AliGenCocktail *gener = new AliGenCocktail(); | |
457 | ||
458 | gener->SetPhiRange(0,360); | |
459 | gener->SetYRange(2.5,4); | |
460 | gener->SetThetaRange(2,9); | |
461 | gener->SetPtRange(0,10); | |
462 | gener->SetOrigin(0,0,0); //vertex position | |
463 | gener->SetSigma(0,0,0); //Sigma in (X,Y,Z) (cm) on IP position | |
464 | gener->SetMomentumRange(0,999); | |
465 | ||
466 | AliGenParam *jpsi = new AliGenParam(1,AliGenMUONlib::kJpsi); | |
467 | jpsi->SetForceDecay(kDiMuon); | |
468 | jpsi->SetCutOnChild(1); | |
469 | ||
470 | ||
471 | AliGenFLUKAsource *bg = new AliGenFLUKAsource(-1); | |
472 | bg->AddFile("$(ALICE_ROOT)/data/all32.root"); | |
473 | rl->CdGAFile(); | |
474 | bg->SetPartFlag(9); | |
475 | bg->SetAgeMax(1.e-5); | |
476 | // 31.7 events | |
477 | // gener->SetFraction(0.0315); | |
478 | bg->SetFraction(0.01*0.0315); | |
479 | ||
480 | gener->AddGenerator(jpsi,"J/Psi", 1); | |
481 | gener->AddGenerator(bg,"Background",1); | |
482 | ||
483 | gGener = gener; | |
484 | } | |
485 | break; | |
486 | } | |
487 | ||
488 | // Activate this line if you want the vertex smearing to happen | |
489 | // track by track | |
490 | // | |
491 | // gener->SetVertexSmear(kPerTrack); | |
492 | ||
493 | gGener->Init(); | |
494 | ||
495 | gAlice->SetField(-999,2); //Specify maximum magnetic field in Tesla (neg. ==> default field) | |
496 | ||
497 | Int_t iMAG=1; | |
498 | rl->CdGAFile(); | |
499 | ||
500 | //=================== Alice BODY parameters ============================= | |
501 | AliBODY *BODY = new AliBODY("BODY","Alice envelop"); | |
502 | ||
503 | ||
504 | if(iMAG) { | |
505 | //=================== MAG parameters ============================ | |
506 | // --- Start with Magnet since detector layouts may be depending --- | |
507 | // --- on the selected Magnet dimensions --- | |
508 | AliMAG *MAG = new AliMAG("MAG","Magnet"); | |
509 | } | |
510 | } |