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6a45631b | 1 | #if !defined(__CINT__) || defined(__MAKECINT__) |
2 | #include <Riostream.h> | |
9bb2665f | 3 | #include <TPDGCode.h> |
6a45631b | 4 | #include <TRandom.h> |
5 | #include <TSystem.h> | |
6 | #include <TVirtualMC.h> | |
7 | #include <TGeant3.h> | |
8 | #include "STEER/AliRunLoader.h" | |
9 | #include "STEER/AliRun.h" | |
10 | #include "STEER/AliConfig.h" | |
11 | #include "PYTHIA6/AliDecayerPythia.h" | |
12 | #include "EVGEN/AliGenCocktail.h" | |
13 | #include "EVGEN/AliGenFixed.h" | |
14 | #include "EVGEN/AliGenBox.h" | |
15 | #include "EVGEN/AliGenScan.h" | |
16 | #include "EVGEN/AliGenHIJINGpara.h" | |
17 | #include "THijing/AliGenHijing.h" | |
18 | #include "PYTHIA6/AliGenPythia.h" | |
19 | #include "THerwig/AliGenHerwig.h" | |
20 | #include "TIsajet/AliGenIsajet.h" | |
21 | #include "TDPMjet/AliGenDPMjet.h" | |
22 | #include "EVGEN/AliGenParam.h" | |
23 | #include "EVGEN/AliGenMUONlib.h" | |
24 | #include "EVGEN/AliGenPHOSlib.h" | |
25 | #include "EVGEN/AliGenGSIlib.h" | |
26 | #include "EVGEN/AliGenFLUKAsource.h" | |
27 | #include "EVGEN/AliGenExtFile.h" | |
28 | #include "EVGEN/AliGenHalo.h" | |
29 | #include "EVGEN/AliGenReaderTreeK.h" | |
30 | #include "STRUCT/AliBODY.h" | |
31 | #include "STRUCT/AliMAG.h" | |
32 | ||
33 | #endif | |
34 | ||
35 | enum gentype_t {hijing, hijingParam, gun, box, pythia, herwig, | |
36 | param1, param2, param3, param4, | |
37 | cocktail, fluka, halo, ntuple, scan, isajet, dpmjet}; | |
38 | ||
39 | gentype_t gentype = dpmjet; | |
40 | ||
41 | Int_t ntracks=1; | |
42 | ||
43 | void Config() | |
44 | { | |
45 | ||
46 | // Set Random Number seed | |
47 | gRandom->SetSeed(12345); //Set 0 to use the current time | |
48 | cout<<"Seed for random number generation= "<<gRandom->GetSeed()<<endl; | |
49 | ||
50 | ||
51 | // libraries required by geant321 | |
52 | #if defined(__CINT__) | |
53 | gSystem->Load("libgeant321"); | |
54 | #endif | |
55 | gSystem->Load("libherwig.so"); | |
56 | gSystem->Load("libTHerwig.so"); | |
57 | gSystem->Load("libisajet.so"); | |
58 | gSystem->Load("libTIsajet.so"); | |
59 | gSystem->Load("libdpmjet.so"); | |
60 | gSystem->Load("libTDPMjet.so"); | |
61 | ||
62 | new TGeant3TGeo("C++ Interface to Geant3"); | |
63 | ||
64 | //======================================================================= | |
65 | // Create the output file | |
66 | ||
67 | AliRunLoader* rl=0x0; | |
68 | ||
69 | cout<<"Config.C: Creating Run Loader ..."<<endl; | |
70 | rl = AliRunLoader::Open("galice.root", | |
71 | AliConfig::GetDefaultEventFolderName(), | |
72 | "recreate"); | |
73 | if (rl == 0x0) | |
74 | { | |
75 | gAlice->Fatal("Config.C","Can not instatiate the Run Loader"); | |
76 | return; | |
77 | } | |
78 | rl->SetCompressionLevel(2); | |
79 | rl->SetNumberOfEventsPerFile(100); | |
80 | gAlice->SetRunLoader(rl); | |
81 | ||
82 | // | |
83 | // Set External decayer | |
84 | AliDecayer* decayer = new AliDecayerPythia(); | |
85 | decayer->SetForceDecay(kAll); | |
86 | decayer->Init(); | |
87 | gMC->SetExternalDecayer(decayer); | |
88 | ||
89 | ||
90 | // | |
91 | //======================================================================= | |
92 | // ************* STEERING parameters FOR ALICE SIMULATION ************** | |
93 | // --- Specify event type to be tracked through the ALICE setup | |
94 | // --- All positions are in cm, angles in degrees, and P and E in GeV | |
95 | ||
96 | ||
97 | gMC->SetProcess("DCAY",1); | |
98 | gMC->SetProcess("PAIR",1); | |
99 | gMC->SetProcess("COMP",1); | |
100 | gMC->SetProcess("PHOT",1); | |
101 | gMC->SetProcess("PFIS",0); | |
102 | gMC->SetProcess("DRAY",0); | |
103 | gMC->SetProcess("ANNI",1); | |
104 | gMC->SetProcess("BREM",1); | |
105 | gMC->SetProcess("MUNU",1); | |
106 | gMC->SetProcess("CKOV",1); | |
107 | gMC->SetProcess("HADR",1); | |
108 | gMC->SetProcess("LOSS",2); | |
109 | gMC->SetProcess("MULS",1); | |
110 | gMC->SetProcess("RAYL",1); | |
111 | ||
112 | Float_t cut = 1.e-3; // 1MeV cut by default | |
113 | Float_t tofmax = 1.e10; | |
114 | ||
115 | gMC->SetCut("CUTGAM", cut); | |
116 | gMC->SetCut("CUTELE", cut); | |
117 | gMC->SetCut("CUTNEU", cut); | |
118 | gMC->SetCut("CUTHAD", cut); | |
119 | gMC->SetCut("CUTMUO", cut); | |
120 | gMC->SetCut("BCUTE", cut); | |
121 | gMC->SetCut("BCUTM", cut); | |
122 | gMC->SetCut("DCUTE", cut); | |
123 | gMC->SetCut("DCUTM", cut); | |
124 | gMC->SetCut("PPCUTM", cut); | |
125 | gMC->SetCut("TOFMAX", tofmax); | |
126 | ||
127 | ||
128 | AliGenerator * gGener = 0x0; | |
129 | switch(gentype) | |
130 | { | |
131 | case gun: | |
132 | //********************************************* | |
133 | // Example for Fixed Particle Gun | |
134 | //********************************************* | |
135 | { | |
136 | AliGenFixed *gener = new AliGenFixed(ntracks); | |
137 | gener->SetMomentum(50); | |
138 | gener->SetPhi(180.); | |
139 | gener->SetTheta(5.); | |
140 | gener->SetOrigin(0,0,0); //vertex position | |
9bb2665f | 141 | gener->SetPart(kNeutron); |
6a45631b | 142 | gGener = gener; |
143 | } | |
144 | break; | |
145 | case box: | |
146 | //********************************************* | |
147 | // Example for Moving Particle Gun * | |
148 | //********************************************* | |
149 | { | |
150 | AliGenBox *gener = new AliGenBox(ntracks); | |
151 | gener->SetMomentumRange(3,4); | |
152 | gener->SetPhiRange(0,360); | |
153 | gener->SetThetaRange(90, 180. ); | |
154 | gener->SetOrigin(0,0,0); | |
155 | //vertex position | |
156 | gener->SetSigma(0,0,0); //Sigma in (X,Y,Z) (cm) on IP position | |
9bb2665f | 157 | gener->SetPart(kMuonPlus); |
6a45631b | 158 | gGener = gener; |
159 | } | |
160 | break; | |
161 | case scan: | |
162 | //********************************************* | |
163 | // Scanning on a grid * | |
164 | //********************************************* | |
165 | { | |
166 | AliGenScan *gener = new AliGenScan(-1); | |
167 | gener->SetMomentumRange(4,4); | |
168 | gener->SetPhiRange(0,360); | |
169 | gener->SetThetaRange(9,9); | |
170 | //vertex position | |
171 | gener->SetSigma(6,6,0); //Sigma in (X,Y,Z) (cm) on IP position | |
9bb2665f | 172 | gener->SetPart(kMuonPlus); |
6a45631b | 173 | gener->SetRange(20, -100, 100, 20, -100, 100, 1, 500, 500); |
174 | gGener = gener; | |
175 | } | |
176 | break; | |
177 | ||
178 | case hijingParam: | |
179 | { | |
180 | AliGenHIJINGpara *gener = new AliGenHIJINGpara(ntracks); | |
181 | gener->SetMomentumRange(0,999); | |
182 | gener->SetPhiRange(0,360); | |
183 | gener->SetThetaRange(2,10); | |
184 | gener->SetOrigin(0,0,0); //vertex position | |
185 | gener->SetSigma(0,0,0); //Sigma in (X,Y,Z) (cm) on IP position | |
186 | gGener = gener; | |
187 | } | |
188 | break; | |
189 | case hijing: | |
190 | { | |
191 | AliGenHijing *gener = new AliGenHijing(-1); | |
192 | // centre of mass energy | |
193 | gener->SetEnergyCMS(5500); | |
194 | // reference frame | |
195 | gener->SetReferenceFrame("CMS "); | |
196 | // projectile | |
197 | gener->SetProjectile("A ", 208, 82); | |
198 | gener->SetTarget ("A ", 208, 82); | |
199 | // impact parameter range | |
200 | gener->SetImpactParameterRange(0, 3.); | |
201 | // evaluate cross section before run | |
202 | gener->SetEvaluate(0); | |
203 | // tell hijing to keep the full parent child chain | |
204 | gener->KeepFullEvent(); | |
205 | // enable jet quenching | |
206 | gener->SetJetQuenching(1); | |
207 | // enable shadowing | |
208 | gener->SetShadowing(1); | |
209 | // neutral pion and heavy particle decays switched off | |
210 | gener->SetDecaysOff(1); | |
211 | // trigger | |
212 | gener->SetTrigger(0); | |
213 | // kinematic selection | |
214 | gener->SetSelectAll(0); | |
215 | // momentum range | |
216 | gener->SetMomentumRange(0,999); | |
217 | // phi range | |
218 | gener->SetPhiRange(0.,360.); | |
219 | // theta range | |
220 | gener->SetThetaRange(0,180.); | |
221 | // select flavor (0: no, 4: charm+beauty, 5:beauty) | |
222 | gener->SetFlavor(0); | |
223 | // | |
224 | gener->SetOrigin(0., 0.0 ,0); | |
225 | gener->SetSigma(0,0,5.3); | |
226 | gener->SetVertexSmear(kPerEvent); | |
227 | // no tracking | |
228 | gener->SetTrackingFlag(0); | |
229 | gGener = gener; | |
230 | } | |
231 | break; | |
232 | ||
233 | case pythia: | |
234 | //******************************************** | |
235 | // Example for Charm Production with Pythia * | |
236 | //******************************************** | |
237 | { | |
238 | AliGenPythia *gener = new AliGenPythia(-1); | |
239 | // final state kinematic cuts | |
240 | gener->SetMomentumRange(0,999); | |
241 | gener->SetPhiRange(0. ,360.); | |
242 | gener->SetThetaRange(0., 180.); | |
243 | gener->SetYRange(-10,10); | |
244 | gener->SetPtRange(0,100); | |
245 | // vertex position and smearing | |
246 | gener->SetOrigin(0,0,0); // vertex position | |
247 | gener->SetVertexSmear(kPerEvent); | |
248 | gener->SetSigma(0,0,5.6); // Sigma in (X,Y,Z) (cm) on IP position | |
249 | // Structure function. See the list in EVGEN/AliStructFuncType.h | |
250 | gener->SetStrucFunc(kGRVHO); | |
251 | // Select corection for nuclear structure functions | |
252 | // gener->SetNuclei(208,208); | |
253 | // | |
254 | // Process type. See the list in PYTHIA6/AliPythia.h | |
255 | gener->SetProcess(kPyBeauty); | |
256 | // | |
257 | // Pt transfer of the hard scattering | |
258 | gener->SetPtHard(0.,5.); | |
259 | // Decay type (semielectronic, semimuonic, nodecay) | |
260 | gener->SetForceDecay(kSemiElectronic); | |
261 | // Centre of mass energy | |
262 | gener->SetEnergyCMS(5500.); | |
263 | // No Tracking | |
264 | gener->SetTrackingFlag(0); | |
265 | gGener = gener; | |
266 | } | |
267 | break; | |
268 | ||
269 | case herwig: | |
270 | //******************************************** | |
271 | // Example for Charm Production with Pythia * | |
272 | //******************************************** | |
273 | { | |
274 | AliGenHerwig *gener = new AliGenHerwig(-1); | |
275 | // final state kinematic cuts | |
276 | gener->SetMomentumRange(0,7000); | |
277 | gener->SetPhiRange(0. ,360.); | |
278 | gener->SetThetaRange(0., 180.); | |
279 | gener->SetYRange(-10,10); | |
280 | gener->SetPtRange(0,7000); | |
281 | // vertex position and smearing | |
282 | gener->SetOrigin(0,0,0); // vertex position | |
283 | gener->SetVertexSmear(kPerEvent); | |
284 | gener->SetSigma(0,0,5.6); // Sigma in (X,Y,Z) (cm) on IP position | |
285 | // Beam momenta | |
286 | gener->SetBeamMomenta(7000,7000); | |
287 | // Beams | |
288 | gener->SetProjectile("P"); | |
289 | gener->SetTarget("P"); | |
290 | // Structure function | |
291 | gener->SetStrucFunc(kGRVHO); | |
292 | // Hard scatering | |
293 | gener->SetPtHardMin(200); | |
294 | gener->SetPtRMS(20); | |
295 | // Min bias | |
296 | gener->SetProcess(8000); | |
297 | // No Tracking | |
298 | gener->SetTrackingFlag(0); | |
299 | gGener = gener; | |
300 | } | |
301 | break; | |
302 | case isajet: | |
303 | AliGenIsajet *gener = new AliGenIsajet(-1); | |
304 | gGener = gener; | |
305 | break; | |
306 | case dpmjet: | |
307 | AliGenDPMjet *gener = new AliGenDPMjet(-1); | |
308 | //kDpmSingleDiffr, kDpmDoubleDiffr, kDpmDiffr, kDpmNonDiffr | |
309 | gener->SetProcess(kDpmMb); | |
310 | gGener = gener; | |
311 | break; | |
312 | ||
313 | ||
314 | ||
315 | case param1: | |
316 | //******************************************************* | |
317 | // Example for J/psi Production from Parameterisation | |
318 | // using default library (AliMUONlib) | |
319 | //******************************************************* | |
320 | { | |
321 | AliGenParam *gener = | |
322 | new AliGenParam(ntracks, AliGenMUONlib::kUpsilon); | |
323 | gener->SetMomentumRange(0,999); | |
324 | gener->SetPtRange(0,999); | |
325 | gener->SetPhiRange(0. , 360.); | |
326 | gener->SetYRange(2.5,4); | |
327 | gener->SetCutOnChild(1); | |
328 | gener->SetChildThetaRange(2,9); | |
329 | gener->SetOrigin(0,0,0); //vertex position | |
330 | gener->SetSigma(0,0,5.3); //Sigma in (X,Y,Z) (cm) on IP position | |
331 | gener->SetForceDecay(kDiMuon); | |
332 | gener->SetTrackingFlag(0); | |
333 | gGener = gener; | |
334 | } | |
335 | break; | |
336 | ||
337 | case param2: | |
338 | //******************************************************* | |
339 | // Example for Omega Production from Parameterisation | |
340 | // specifying library. | |
341 | //******************************************************* | |
342 | { | |
343 | AliGenParam *gener = new AliGenParam(1000,new AliGenPHOSlib(), | |
344 | AliGenPHOSlib::kOmega); | |
345 | gener->SetWeighting(kNonAnalog); | |
346 | gener->SetForceDecay(kNoDecay); | |
347 | gener->SetPtRange(0,100); | |
348 | gener->SetThetaRange(45,135); | |
349 | gener->SetTrackingFlag(0); | |
350 | gGener = gener; | |
351 | } | |
352 | break; | |
353 | ||
354 | case param3: | |
355 | //******************************************************* | |
356 | // Example for Upsilon Production from Parameterisation | |
357 | // specifying library. | |
358 | // GSI style | |
359 | //******************************************************* | |
360 | { | |
361 | AliGenParam *gener = new AliGenParam(1000,new AliGenGSIlib(), | |
362 | AliGenGSIlib::kUpsilon, "MUON"); | |
363 | gener->SetMomentumRange(0,999); | |
364 | gener->SetPtRange(0,999); | |
365 | gener->SetPhiRange(0., 360.); | |
366 | gener->SetYRange(2.5,4); | |
367 | gener->SetCutOnChild(1); | |
368 | gener->SetChildThetaRange(2,9); | |
369 | gener->SetOrigin(0,0,0); //vertex position | |
370 | gener->SetSigma(0,0,5.3); //Sigma in (X,Y,Z) (cm) on IP position | |
371 | gener->SetForceDecay(kDiMuon); | |
372 | gener->SetTrackingFlag(0); | |
373 | gGener = gener; | |
374 | } | |
375 | break; | |
376 | ||
377 | case param4: | |
378 | //******************************************************* | |
379 | // Example for Omega Production from Parameterisation | |
380 | // specifying library. | |
381 | // The alternative way. | |
382 | //******************************************************* | |
383 | { | |
384 | AliGenLib* Lib=new AliGenPHOSlib(); | |
385 | Int_t iOmega = AliGenPHOSlib::kOmega; | |
386 | AliGenParam *gener = new AliGenParam(50, iOmega, | |
387 | Lib->GetPt(iOmega, ""), | |
388 | Lib->GetY (iOmega, ""), | |
389 | Lib->GetIp(iOmega, "")); | |
390 | gener->SetPtRange(0,999); | |
391 | gener->SetWeighting(kNonAnalog); | |
392 | gener->SetForceDecay(kNoDecay); | |
393 | gener->SetTrackingFlag(0); | |
394 | gGener = gener; | |
395 | } | |
396 | break; | |
397 | ||
398 | case fluka: | |
399 | //******************************************************* | |
400 | // Example for a FLUKA Boundary Source * | |
401 | //******************************************************* | |
402 | { | |
403 | AliGenFLUKAsource *gener = new AliGenFLUKAsource(-1); | |
404 | gener->SetFileName("$(ALICE_ROOT)/data/all32.root"); | |
405 | gener->SetPartFlag(9); | |
406 | gener->SetAgeMax(1.e-5); | |
407 | // 31.7 events | |
408 | gener->SetFraction(0.0315); | |
409 | // gener->SetFraction(0.75*0.0315); | |
410 | rl->CdGAFile(); | |
411 | // gener->SetPartFlag(10); | |
412 | gener->SetMomentumRange(0,999); | |
413 | gener->SetPhiRange(0.,360.); | |
414 | gener->SetThetaRange(0., 180.); | |
415 | gener->SetAgeMax(1.e-5); | |
416 | ||
417 | // 31.7 events | |
418 | // gener->SetFraction(0.0315); | |
419 | gGener = gener; | |
420 | } | |
421 | break; | |
422 | ||
423 | case ntuple: | |
424 | //******************************************************* | |
425 | // Example for reading from a external file * | |
426 | //******************************************************* | |
427 | { | |
428 | AliGenExtFile *gener = new AliGenExtFile(-1); | |
429 | gener->SetVertexSmear(kPerEvent); | |
430 | gener->SetTrackingFlag(1); | |
431 | ||
432 | AliGenReaderTreeK * reader = new AliGenReaderTreeK(); | |
433 | reader->SetFileName("$(ALICE_ROOT)/data/dtujet93.root"); | |
434 | gener->SetReader(reader); | |
435 | gGener = gener; | |
436 | } | |
437 | break; | |
438 | ||
439 | case halo: | |
440 | //******************************************************* | |
441 | // Example for Tunnel Halo Source * | |
442 | //******************************************************* | |
443 | { | |
444 | AliGenHalo *gener = new AliGenHalo(ntracks); | |
445 | gener->SetFileName("/h1/morsch/marsip/marsip5.mu"); | |
446 | gGener = gener; | |
447 | } | |
448 | break; | |
449 | ||
450 | case cocktail: | |
451 | //******************************************************* | |
452 | // Example for a Cocktail * | |
453 | //******************************************************* | |
454 | { | |
455 | AliGenCocktail *gener = new AliGenCocktail(); | |
456 | ||
457 | gener->SetPhiRange(0,360); | |
458 | gener->SetYRange(2.5,4); | |
459 | gener->SetThetaRange(2,9); | |
460 | gener->SetPtRange(0,10); | |
461 | gener->SetOrigin(0,0,0); //vertex position | |
462 | gener->SetSigma(0,0,0); //Sigma in (X,Y,Z) (cm) on IP position | |
463 | gener->SetMomentumRange(0,999); | |
464 | ||
465 | AliGenParam *jpsi = new AliGenParam(1,AliGenMUONlib::kJpsi); | |
466 | jpsi->SetForceDecay(kDiMuon); | |
467 | jpsi->SetCutOnChild(1); | |
468 | ||
469 | ||
470 | AliGenFLUKAsource *bg = new AliGenFLUKAsource(-1); | |
471 | bg->AddFile("$(ALICE_ROOT)/data/all32.root"); | |
472 | rl->CdGAFile(); | |
473 | bg->SetPartFlag(9); | |
474 | bg->SetAgeMax(1.e-5); | |
475 | // 31.7 events | |
476 | // gener->SetFraction(0.0315); | |
477 | bg->SetFraction(0.01*0.0315); | |
478 | ||
479 | gener->AddGenerator(jpsi,"J/Psi", 1); | |
480 | gener->AddGenerator(bg,"Background",1); | |
481 | ||
482 | gGener = gener; | |
483 | } | |
484 | break; | |
485 | } | |
486 | ||
487 | // Activate this line if you want the vertex smearing to happen | |
488 | // track by track | |
489 | // | |
490 | // gener->SetVertexSmear(kPerTrack); | |
491 | ||
492 | gGener->Init(); | |
493 | ||
494 | gAlice->SetField(-999,2); //Specify maximum magnetic field in Tesla (neg. ==> default field) | |
495 | ||
496 | Int_t iMAG=1; | |
497 | rl->CdGAFile(); | |
498 | ||
499 | //=================== Alice BODY parameters ============================= | |
500 | AliBODY *BODY = new AliBODY("BODY","Alice envelop"); | |
501 | ||
502 | ||
503 | if(iMAG) { | |
504 | //=================== MAG parameters ============================ | |
505 | // --- Start with Magnet since detector layouts may be depending --- | |
506 | // --- on the selected Magnet dimensions --- | |
507 | AliMAG *MAG = new AliMAG("MAG","Magnet"); | |
508 | } | |
509 | } |