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Adding event generator for e+e- pair production
[u/mrichter/AliRoot.git] / macros / Config_pp.C
CommitLineData
9f3659af 1enum PprRun_t
2{
3 test50, kPythia,
4 kParam_8000, kParam_4000, kParam_2000,
5 kHijing_cent1, kHijing_cent2,
6 kHijing_per1, kHijing_per2, kHijing_per3, kHijing_per4, kHijing_per5,
7 kHijing_jj25, kHijing_jj50, kHijing_jj75, kHijing_jj100, kHijing_jj125,
8 kHijing_gj25, kHijing_gj50, kHijing_gj75, kHijing_gj100, kHijing_gj125
9};
10
11enum PprGeo_t
12{
13 kHoles, kNoHoles
14};
15
16enum PprRad_t
17{
18 kGluonRadiation, kNoGluonRadiation
19};
20
21
22// This part for configuration
23static PprRun_t run = kPythia;
24static PprGeo_t geo = kNoHoles;
25static PprRad_t rad = kGluonRadiation;
26// Comment line
27static TString comment;
28
29
30
31
ae6e6d18 32void Config()
33{
ae6e6d18 34
9f3659af 35 // 7-DEC-2000 09:00
36 // Switch on Transition adiation simulation. 6/12/00 18:00
37 // iZDC=1 7/12/00 09:00
38 // ThetaRange is (0., 180.). It was (0.28,179.72) 7/12/00 09:00
39 // Theta range given through pseudorapidity limits 22/6/2001
ae6e6d18 40
9f3659af 41 // Set Random Number seed
42 // gRandom->SetSeed(12345);
ae6e6d18 43
ae6e6d18 44
ae6e6d18 45
9f3659af 46/*
47 // TEMPORARY TO BE ELIMINATED WHEN RUNNING WITH ALIEN
48 TDatime dt;
49 UInt_t curtime=dt.Get();
50 UInt_t procid=gSystem->GetPid();
51 UInt_t seed=curtime-procid;
52
53 gRandom->SetSeed(seed);
54 cerr<<"Seed for random number generation= "<<seed<<endl;
55 // END OF TEMPORARY
56*/
ae6e6d18 57
b9d0a01d 58 new TGeant3("C++ Interface to Geant3");
ae6e6d18 59
9f3659af 60 if (!gSystem->Getenv("CONFIG_FILE"))
61 {
62 TFile *rootfile = new TFile("galice.root", "recreate");
63
64 rootfile->SetCompressionLevel(2);
65 }
66
67 TGeant3 *geant3 = (TGeant3 *) gMC;
68
69 //
70 // Set External decayer
71 AliDecayer *decayer = new AliDecayerPythia();
72
73 decayer->SetForceDecay(kAll);
74 decayer->Init();
75 gMC->SetExternalDecayer(decayer);
76 //
77 //
78 //=======================================================================
79 // ******* GEANT STEERING parameters FOR ALICE SIMULATION *******
80 geant3->SetTRIG(1); //Number of events to be processed
81 geant3->SetSWIT(4, 10);
82 geant3->SetDEBU(0, 0, 1);
83 //geant3->SetSWIT(2,2);
84 geant3->SetDCAY(1);
85 geant3->SetPAIR(1);
86 geant3->SetCOMP(1);
87 geant3->SetPHOT(1);
88 geant3->SetPFIS(0);
89 geant3->SetDRAY(0);
90 geant3->SetANNI(1);
91 geant3->SetBREM(1);
92 geant3->SetMUNU(1);
93 geant3->SetCKOV(1);
94 geant3->SetHADR(1); //Select pure GEANH (HADR 1) or GEANH/NUCRIN (HADR 3)
95 geant3->SetLOSS(2);
96 geant3->SetMULS(1);
97 geant3->SetRAYL(1);
98 geant3->SetAUTO(1); //Select automatic STMIN etc... calc. (AUTO 1) or manual (AUTO 0)
99 geant3->SetABAN(0); //Restore 3.16 behaviour for abandoned tracks
100 geant3->SetOPTI(2); //Select optimisation level for GEANT geometry searches (0,1,2)
101 geant3->SetERAN(5.e-7);
102
103 Float_t cut = 1.e-3; // 1MeV cut by default
104 Float_t tofmax = 1.e10;
105
106 // GAM ELEC NHAD CHAD MUON EBREM MUHAB EDEL MUDEL MUPA TOFMAX
107 geant3->SetCUTS(cut, cut, cut, cut, cut, cut, cut, cut, cut, cut,
108 tofmax);
109 //
110 //=======================================================================
111 // ************* STEERING parameters FOR ALICE SIMULATION **************
112 // --- Specify event type to be tracked through the ALICE setup
113 // --- All positions are in cm, angles in degrees, and P and E in GeV
114
115
116 // Generator Configuration
117 gAlice->SetDebug(1);
118 AliGenerator* gener = GeneratorFactory(run);
119 gener->SetOrigin(0, 0, 0); // vertex position
120 gener->SetSigma(0, 0, 5.3); // Sigma in (X,Y,Z) (cm) on IP position
121 gener->SetCutVertexZ(1.); // Truncate at 1 sigma
122 gener->SetVertexSmear(kPerEvent);
123 gener->SetTrackingFlag(1);
124 gener->Init();
125
126 if (rad == kGluonRadiation)
ae6e6d18 127 {
9f3659af 128 comment = comment.Append(" | Gluon Radiation On");
129
130 } else {
131 comment = comment.Append(" | Gluon Radiation Off");
132 }
133
134 if (geo == kHoles)
ae6e6d18 135 {
9f3659af 136 comment = comment.Append(" | Holes for PHOS/RICH");
137
138 } else {
139 comment = comment.Append(" | No holes for PHOS/RICH");
ae6e6d18 140 }
ae6e6d18 141
9f3659af 142 printf("\n \n Comment: %s \n \n", (char*) comment);
ae6e6d18 143
9f3659af 144
145 // Field (L3 0.4 T)
146
147 AliMagFCM* field = new AliMagFCM(
148 "Map2","$(ALICE_ROOT)/data/field01.dat", 2, 1., 10.);
149 field->SetSolenoidField(4.);
150 gAlice->SetField(field);
151
152
153 //
154 Int_t iABSO = 1;
b9d0a01d 155 Int_t iCRT = 1;
9f3659af 156 Int_t iDIPO = 1;
157 Int_t iFMD = 1;
158 Int_t iFRAME = 1;
159 Int_t iHALL = 1;
160 Int_t iITS = 1;
161 Int_t iMAG = 1;
162 Int_t iMUON = 1;
163 Int_t iPHOS = 1;
164 Int_t iPIPE = 1;
165 Int_t iPMD = 1;
166 Int_t iRICH = 1;
167 Int_t iSHIL = 1;
168 Int_t iSTART = 1;
169 Int_t iTOF = 1;
170 Int_t iTPC = 1;
171 Int_t iTRD = 1;
172 Int_t iZDC = 1;
173 Int_t iEMCAL = 0;
174
175 //=================== Alice BODY parameters =============================
176 AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
177
178
179 if (iMAG)
ae6e6d18 180 {
9f3659af 181 //=================== MAG parameters ============================
182 // --- Start with Magnet since detector layouts may be depending ---
183 // --- on the selected Magnet dimensions ---
184 AliMAG *MAG = new AliMAG("MAG", "Magnet");
ae6e6d18 185 }
186
187
9f3659af 188 if (iABSO)
ae6e6d18 189 {
9f3659af 190 //=================== ABSO parameters ============================
191 AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber");
ae6e6d18 192 }
193
9f3659af 194 if (iDIPO)
ae6e6d18 195 {
9f3659af 196 //=================== DIPO parameters ============================
ae6e6d18 197
9f3659af 198 AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2");
ae6e6d18 199 }
200
9f3659af 201 if (iHALL)
ae6e6d18 202 {
9f3659af 203 //=================== HALL parameters ============================
ae6e6d18 204
9f3659af 205 AliHALL *HALL = new AliHALL("HALL", "Alice Hall");
ae6e6d18 206 }
207
208
9f3659af 209 if (iFRAME)
ae6e6d18 210 {
9f3659af 211 //=================== FRAME parameters ============================
212
213 AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
214 if (geo == kHoles) {
215 FRAME->SetHoles(1);
216 } else {
217 FRAME->SetHoles(0);
218 }
ae6e6d18 219 }
220
9f3659af 221 if (iSHIL)
ae6e6d18 222 {
9f3659af 223 //=================== SHIL parameters ============================
ae6e6d18 224
e0559846 225 AliSHIL *SHIL = new AliSHILv2("SHIL", "Shielding");
ae6e6d18 226 }
227
228
9f3659af 229 if (iPIPE)
ae6e6d18 230 {
9f3659af 231 //=================== PIPE parameters ============================
ae6e6d18 232
9f3659af 233 AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe");
ae6e6d18 234 }
235
236 if(iITS) {
237
9f3659af 238 //=================== ITS parameters ============================
ae6e6d18 239 //
240 // As the innermost detector in ALICE, the Inner Tracking System "impacts" on
241 // almost all other detectors. This involves the fact that the ITS geometry
242 // still has several options to be followed in parallel in order to determine
243 // the best set-up which minimizes the induced background. All the geometries
244 // available to date are described in the following. Read carefully the comments
245 // and use the default version (the only one uncommented) unless you are making
246 // comparisons and you know what you are doing. In this case just uncomment the
247 // ITS geometry you want to use and run Aliroot.
248 //
249 // Detailed geometries:
250 //
251 //
252 //AliITS *ITS = new AliITSv5symm("ITS","Updated ITS TDR detailed version with symmetric services");
253 //
254 //AliITS *ITS = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services");
255 //
256 AliITSvPPRasymm *ITS = new AliITSvPPRasymm("ITS","New ITS PPR detailed version with asymmetric services");
9f3659af 257 ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer
258 ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer
259 // ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer
260 ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300]
261 ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300]
262 ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300]
263 ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300]
264 ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
265 ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon
ae6e6d18 266 //
267 //AliITSvPPRsymm *ITS = new AliITSvPPRsymm("ITS","New ITS PPR detailed version with symmetric services");
268 //ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer
269 //ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer
270 //ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRsymm2.det"); // don't touch this parameter if you're not an ITS developer
9f3659af 271 //ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300]
272 //ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300]
273 //ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300]
274 //ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300]
ae6e6d18 275 //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
276 //ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon
277 //
278 //
279 // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful
280 // for reconstruction !):
281 //
282 //
283 //AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services");
284 //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
285 //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
286 //
287 //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services");
288 //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
289 //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
290 //
291 //
292 //
293 // Geant3 <-> EUCLID conversion
294 // ============================
295 //
296 // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and
297 // media to two ASCII files (called by default ITSgeometry.euc and
298 // ITSgeometry.tme) in a format understandable to the CAD system EUCLID.
299 // The default (=0) means that you dont want to use this facility.
300 //
301 ITS->SetEUCLID(0);
302 }
303
304
9f3659af 305 if (iTPC)
ae6e6d18 306 {
9f3659af 307 //============================ TPC parameters ================================
308 // --- This allows the user to specify sectors for the SLOW (TPC geometry 2)
309 // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper)
310 // --- sectors are specified, any value other than that requires at least one
311 // --- sector (lower or upper)to be specified!
312 // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0)
313 // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0)
314 // --- SecLows - number of lower sectors specified (up to 6)
315 // --- SecUps - number of upper sectors specified (up to 12)
316 // --- Sens - sensitive strips for the Slow Simulator !!!
317 // --- This does NOT work if all S or L-sectors are specified, i.e.
318 // --- if SecAL or SecAU < 0
319 //
320 //
321 //-----------------------------------------------------------------------------
322
323 // gROOT->LoadMacro("SetTPCParam.C");
324 // AliTPCParam *param = SetTPCParam();
325 AliTPC *TPC = new AliTPCv2("TPC", "Default");
326
327 // All sectors included
328 TPC->SetSecAL(-1);
329 TPC->SetSecAU(-1);
ae6e6d18 330
331 }
332
9f3659af 333 if (iTOF) {
334 if (geo == kHoles) {
335 //=================== TOF parameters ============================
336 AliTOF *TOF = new AliTOFv2FHoles("TOF", "TOF with Holes");
337 } else {
338 AliTOF *TOF = new AliTOFv4("TOF", "normal TOF");
339 }
340 }
ae6e6d18 341
9f3659af 342 if (iRICH)
ae6e6d18 343 {
9f3659af 344 //=================== RICH parameters ===========================
345 AliRICH *RICH = new AliRICHv1("RICH", "normal RICH");
ae6e6d18 346
347 }
348
349
9f3659af 350 if (iZDC)
ae6e6d18 351 {
9f3659af 352 //=================== ZDC parameters ============================
ae6e6d18 353
9f3659af 354 AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC");
ae6e6d18 355 }
356
b9d0a01d 357 if (iCRT)
ae6e6d18 358 {
b9d0a01d 359 //=================== CRT parameters ============================
ae6e6d18 360
b9d0a01d 361 AliCRT *CRT = new AliCRTv1("CRT", "normal CRT");
ae6e6d18 362 }
363
9f3659af 364 if (iTRD)
ae6e6d18 365 {
9f3659af 366 //=================== TRD parameters ============================
367
368 AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
369
370 // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2)
371 TRD->SetGasMix(1);
372 if (geo == kHoles) {
373 // With hole in front of PHOS
374 TRD->SetPHOShole();
375 // With hole in front of RICH
376 TRD->SetRICHhole();
377 }
378 // Switch on TR
379 AliTRDsim *TRDsim = TRD->CreateTR();
ae6e6d18 380 }
381
9f3659af 382 if (iFMD)
ae6e6d18 383 {
9f3659af 384 //=================== FMD parameters ============================
ae6e6d18 385
9f3659af 386 AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
387 FMD->SetRingsSi1(256);
388 FMD->SetRingsSi2(64);
389 FMD->SetSectorsSi1(20);
390 FMD->SetSectorsSi2(24);
ae6e6d18 391 }
392
9f3659af 393 if (iMUON)
ae6e6d18 394 {
9f3659af 395 //=================== MUON parameters ===========================
ae6e6d18 396
9f3659af 397 AliMUON *MUON = new AliMUONv1("MUON", "default");
ae6e6d18 398 }
9f3659af 399 //=================== PHOS parameters ===========================
ae6e6d18 400
9f3659af 401 if (iPHOS)
ae6e6d18 402 {
9f3659af 403 AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP");
ae6e6d18 404 }
405
406
9f3659af 407 if (iPMD)
ae6e6d18 408 {
9f3659af 409 //=================== PMD parameters ============================
410 AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
411 PMD->SetPAR(1., 1., 0.8, 0.02);
412 PMD->SetIN(6., 18., -580., 27., 27.);
413 PMD->SetGEO(0.0, 0.2, 4.);
414 PMD->SetPadSize(0.8, 1.0, 1.0, 1.5);
ae6e6d18 415 }
9f3659af 416
417 if (iEMCAL!=0 && iRICH==0)
9757d28c 418 {
9f3659af 419 //=================== START parameters ============================
420 AliEMCAL *EMCAL = new AliEMCALv1("EMCAL", "EMCALArch1a");
9757d28c 421 }
ae6e6d18 422
9f3659af 423 if (iSTART)
ae6e6d18 424 {
9f3659af 425 //=================== START parameters ============================
426 AliSTART *START = new AliSTARTv1("START", "START Detector");
ae6e6d18 427 }
428
429
430}
9f3659af 431
432Float_t EtaToTheta(Float_t arg){
433 return (180./TMath::Pi())*2.*atan(exp(-arg));
434}
435
436
437
438AliGenerator* GeneratorFactory(PprRun_t run) {
439 Int_t isw = 3;
440 if (rad == kNoGluonRadiation) isw = 0;
441
442
443 switch (run) {
444 case test50:
445 comment = comment.Append(":HIJINGparam test 50 particles");
446 AliGenHIJINGpara *gener = new AliGenHIJINGpara(50);
447 gener->SetMomentumRange(0, 999999.);
448 gener->SetPhiRange(-180., 180.);
449 // Set pseudorapidity range from -8 to 8.
450 Float_t thmin = EtaToTheta(8); // theta min. <---> eta max
451 Float_t thmax = EtaToTheta(-8); // theta max. <---> eta min
452 gener->SetThetaRange(thmin,thmax);
453 break;
454 case kPythia:
455 comment = comment.Append(":Pythia p-p @ 14 TeV");
456 AliGenPythia *gener = new AliGenPythia(-1);
457 gener->SetMomentumRange(0,999999);
458 gener->SetPhiRange(-180,180);
459 gener->SetThetaRange(0., 180.);
460 gener->SetYRange(-12,12);
461 gener->SetPtRange(0,1000);
462 gener->SetStrucFunc(kCTEQ_4L);
463 gener->SetProcess(kPyMb);
464 gener->SetEnergyCMS(14000.);
465 break;
466 case kParam_8000:
467 comment = comment.Append(":HIJINGparam N=8000");
468 AliGenHIJINGpara *gener = new AliGenHIJINGpara(86030);
469 gener->SetMomentumRange(0, 999999.);
470 gener->SetPhiRange(-180., 180.);
471 // Set pseudorapidity range from -8 to 8.
472 Float_t thmin = EtaToTheta(8); // theta min. <---> eta max
473 Float_t thmax = EtaToTheta(-8); // theta max. <---> eta min
474 gener->SetThetaRange(thmin,thmax);
475 break;
476 case kParam_4000:
477 comment = comment.Append("HIJINGparam N=4000");
478 AliGenHIJINGpara *gener = new AliGenHIJINGpara(43015);
479 gener->SetMomentumRange(0, 999999.);
480 gener->SetPhiRange(-180., 180.);
481 // Set pseudorapidity range from -8 to 8.
482 Float_t thmin = EtaToTheta(8); // theta min. <---> eta max
483 Float_t thmax = EtaToTheta(-8); // theta max. <---> eta min
484 gener->SetThetaRange(thmin,thmax);
485 break;
486 case kParam_2000:
487 comment = comment.Append("HIJINGparam N=2000");
488 AliGenHIJINGpara *gener = new AliGenHIJINGpara(21507);
489 gener->SetMomentumRange(0, 999999.);
490 gener->SetPhiRange(-180., 180.);
491 // Set pseudorapidity range from -8 to 8.
492 Float_t thmin = EtaToTheta(8); // theta min. <---> eta max
493 Float_t thmax = EtaToTheta(-8); // theta max. <---> eta min
494 gener->SetThetaRange(thmin,thmax);
495 break;
496 //
497 // Hijing Central
498 //
499 case kHijing_cent1:
500 comment = comment.Append("HIJING cent1");
501 AliGenHijing *gener = HijingStandard();
502 // impact parameter range
503 gener->SetImpactParameterRange(0., 5.);
504 break;
505 case kHijing_cent2:
506 comment = comment.Append("HIJING cent2");
507 AliGenHijing *gener = HijingStandard();
508 // impact parameter range
509 gener->SetImpactParameterRange(0., 2.);
510 break;
511 //
512 // Hijing Peripheral
513 //
514 case kHijing_per1:
515 comment = comment.Append("HIJING per1");
516 AliGenHijing *gener = HijingStandard();
517 // impact parameter range
518 gener->SetImpactParameterRange(5., 8.6);
519 break;
520 case kHijing_per2:
521 comment = comment.Append("HIJING per2");
522 AliGenHijing *gener = HijingStandard();
523 // impact parameter range
524 gener->SetImpactParameterRange(8.6, 11.2);
525 break;
526 case kHijing_per3:
527 comment = comment.Append("HIJING per3");
528 AliGenHijing *gener = HijingStandard();
529 // impact parameter range
530 gener->SetImpactParameterRange(11.2, 13.2);
531 break;
532 case kHijing_per4:
533 comment = comment.Append("HIJING per4");
534 AliGenHijing *gener = HijingStandard();
535 // impact parameter range
536 gener->SetImpactParameterRange(13.2, 15.);
537 break;
538 case kHijing_per5:
539 comment = comment.Append("HIJING per5");
540 AliGenHijing *gener = HijingStandard();
541 // impact parameter range
542 gener->SetImpactParameterRange(15., 100.);
543 break;
544 //
545 // Jet-Jet
546 //
547 case kHijing_jj25:
548 comment = comment.Append("HIJING Jet 25 GeV");
549 AliGenHijing *gener = HijingStandard();
550 // impact parameter range
551 gener->SetImpactParameterRange(0., 5.);
552 // trigger
553 gener->SetTrigger(1);
554 gener->SetPtMinJet(25.);
555 gener->SetRadiation(isw);
556 break;
557 case kHijing_jj50:
558 comment = comment.Append("HIJING Jet 50 GeV");
559 AliGenHijing *gener = HijingStandard();
560 // impact parameter range
561 gener->SetImpactParameterRange(0., 5.);
562 // trigger
563 gener->SetTrigger(1);
564 gener->SetPtMinJet(50.);
565 gener->SetRadiation(isw);
566 break;
567 case kHijing_jj75:
568 comment = comment.Append("HIJING Jet 75 GeV");
569 AliGenHijing *gener = HijingStandard();
570 // impact parameter range
571 gener->SetImpactParameterRange(0., 5.);
572 // trigger
573 gener->SetTrigger(1);
574 gener->SetPtMinJet(75.);
575 gener->SetRadiation(isw);
576 break;
577 case kHijing_jj100:
578 comment = comment.Append("HIJING Jet 100 GeV");
579 AliGenHijing *gener = HijingStandard();
580 // impact parameter range
581 gener->SetImpactParameterRange(0., 5.);
582 // trigger
583 gener->SetTrigger(1);
584 gener->SetPtMinJet(100.);
585 gener->SetRadiation(isw);
586 break;
587 case kHijing_jj125:
588 comment = comment.Append("HIJING Jet 125 GeV");
589 AliGenHijing *gener = HijingStandard();
590 // impact parameter range
591 gener->SetImpactParameterRange(0., 5.);
592 // trigger
593 gener->SetTrigger(1);
594 gener->SetPtMinJet(125.);
595 gener->SetRadiation(isw);
596 break;
597 //
598 // Gamma-Jet
599 //
600 case kHijing_gj25:
601 comment = comment.Append("HIJING Gamma 25 GeV");
602 AliGenHijing *gener = HijingStandard();
603 // impact parameter range
604 gener->SetImpactParameterRange(0., 5.);
605 // trigger
606 gener->SetTrigger(2);
607 gener->SetPtMinJet(25.);
608 gener->SetRadiation(isw);
609 break;
610 case kHijing_gj50:
611 comment = comment.Append("HIJING Gamma 50 GeV");
612 AliGenHijing *gener = HijingStandard();
613 // impact parameter range
614 gener->SetImpactParameterRange(0., 5.);
615 // trigger
616 gener->SetTrigger(2);
617 gener->SetPtMinJet(50.);
618 gener->SetRadiation(isw);
619 break;
620 case kHijing_gj75:
621 comment = comment.Append("HIJING Gamma 75 GeV");
622 AliGenHijing *gener = HijingStandard();
623 // impact parameter range
624 gener->SetImpactParameterRange(0., 5.);
625 // trigger
626 gener->SetTrigger(2);
627 gener->SetPtMinJet(75.);
628 gener->SetRadiation(isw);
629 break;
630 case kHijing_gj100:
631 comment = comment.Append("HIJING Gamma 100 GeV");
632 AliGenHijing *gener = HijingStandard();
633 // impact parameter range
634 gener->SetImpactParameterRange(0., 5.);
635 // trigger
636 gener->SetTrigger(2);
637 gener->SetPtMinJet(100.);
638 gener->SetRadiation(isw);
639 break;
640 case kHijing_gj125:
641 comment = comment.Append("HIJING Gamma 125 GeV");
642 AliGenHijing *gener = HijingStandard();
643 // impact parameter range
644 gener->SetImpactParameterRange(0., 5.);
645 // trigger
646 gener->SetTrigger(2);
647 gener->SetPtMinJet(125.);
648 gener->SetRadiation(isw);
649 break;
650 }
651 return gener;
652}
653
654AliGenHijing* HijingStandard()
655{
656 AliGenHijing *gener = new AliGenHijing(-1);
657 // centre of mass energy
658 gener->SetEnergyCMS(5500.);
659 // reference frame
660 gener->SetReferenceFrame("CMS");
661 // projectile
662 gener->SetProjectile("A", 208, 82);
663 gener->SetTarget ("A", 208, 82);
664 // tell hijing to keep the full parent child chain
665 gener->KeepFullEvent();
666 // enable jet quenching
667 gener->SetJetQuenching(1);
668 // enable shadowing
669 gener->SetShadowing(1);
670 // neutral pion and heavy particle decays switched off
671 gener->SetDecaysOff(1);
672 // Don't track spectators
673 gener->SetSpectators(0);
674 // kinematic selection
675 gener->SetSelectAll(0);
676 return gener;
677}
678