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7b4ede57 1//
2// Configuration for the first physics production 2008
3//
4
5// One can use the configuration macro in compiled mode by
6// root [0] gSystem->Load("libgeant321");
7// root [0] gSystem->SetIncludePath("-I$ROOTSYS/include -I$ALICE_ROOT/include\
8// -I$ALICE_ROOT -I$ALICE/geant3/TGeant3");
9// root [0] .x grun.C(1,"Config.C++")
10
11#if !defined(__CINT__) || defined(__MAKECINT__)
12#include <Riostream.h>
13#include <TRandom.h>
14#include <TDatime.h>
15#include <TSystem.h>
16#include <TVirtualMC.h>
17#include <TGeant3TGeo.h>
18#include "STEER/AliRunLoader.h"
19#include "STEER/AliRun.h"
20#include "STEER/AliConfig.h"
21#include "PYTHIA6/AliDecayerPythia.h"
22#include "PYTHIA6/AliGenPythia.h"
23#include "TDPMjet/AliGenDPMjet.h"
24#include "STEER/AliMagFCheb.h"
25#include "STRUCT/AliBODY.h"
26#include "STRUCT/AliMAG.h"
27#include "STRUCT/AliABSOv3.h"
28#include "STRUCT/AliDIPOv3.h"
29#include "STRUCT/AliHALLv3.h"
30#include "STRUCT/AliFRAMEv2.h"
31#include "STRUCT/AliSHILv3.h"
32#include "STRUCT/AliPIPEv3.h"
3a5fcc75 33#include "ITS/AliITSv11.h"
7b4ede57 34#include "TPC/AliTPCv2.h"
35#include "TOF/AliTOFv6T0.h"
36#include "HMPID/AliHMPIDv3.h"
37#include "ZDC/AliZDCv3.h"
38#include "TRD/AliTRDv1.h"
39#include "TRD/AliTRDgeometry.h"
40#include "FMD/AliFMDv1.h"
41#include "MUON/AliMUONv1.h"
42#include "PHOS/AliPHOSv1.h"
43#include "PHOS/AliPHOSSimParam.h"
44#include "PMD/AliPMDv1.h"
45#include "T0/AliT0v1.h"
46#include "EMCAL/AliEMCALv2.h"
47#include "ACORDE/AliACORDEv1.h"
48#include "VZERO/AliVZEROv7.h"
49#endif
50
51
52enum PDC06Proc_t
53{
54 kPythia6, kPythia6D6T, kPhojet, kRunMax
55};
56
57const char * pprRunName[] = {
58 "kPythia6", "kPythia6D6T", "kPhojet"
59};
60
61enum Mag_t
62{
63 kNoField, k5kG, kFieldMax
64};
65
66const char * pprField[] = {
67 "kNoField", "k5kG"
68};
69
70//--- Functions ---
71class AliGenPythia;
72AliGenerator *MbPythia();
73AliGenerator *MbPythiaTuneD6T();
74AliGenerator *MbPhojet();
75void ProcessEnvironmentVars();
76
77// Geterator, field, beam energy
78static PDC06Proc_t proc = kPhojet;
79static Mag_t mag = k5kG;
80static Float_t energy = 10000; // energy in CMS
81//========================//
82// Set Random Number seed //
83//========================//
84TDatime dt;
85static UInt_t seed = dt.Get();
86
87// Comment line
88static TString comment;
89
6fc4916d 90void Config()
7b4ede57 91{
92
93
94 // Get settings from environment variables
95 ProcessEnvironmentVars();
96
97 gRandom->SetSeed(seed);
98 cerr<<"Seed for random number generation= "<<seed<<endl;
99
100 // Libraries required by geant321
101#if defined(__CINT__)
102 gSystem->Load("liblhapdf"); // Parton density functions
103 gSystem->Load("libEGPythia6"); // TGenerator interface
104 if (proc != kPythia6D6T) {
105 gSystem->Load("libpythia6"); // Pythia 6.2
106 } else {
107 gSystem->Load("libqpythia"); // Pythia 6.4
108 }
109 gSystem->Load("libAliPythia6"); // ALICE specific implementations
110 gSystem->Load("libgeant321");
111#endif
112
113 new TGeant3TGeo("C++ Interface to Geant3");
114
115 //=======================================================================
116 // Create the output file
117
118
119 AliRunLoader* rl=0x0;
120
121 cout<<"Config.C: Creating Run Loader ..."<<endl;
122 rl = AliRunLoader::Open("galice.root",
123 AliConfig::GetDefaultEventFolderName(),
124 "recreate");
125 if (rl == 0x0)
126 {
127 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
128 return;
129 }
130 rl->SetCompressionLevel(2);
131 rl->SetNumberOfEventsPerFile(1000);
132 gAlice->SetRunLoader(rl);
133 // gAlice->SetGeometryFromFile("geometry.root");
134 // gAlice->SetGeometryFromCDB();
135
136 // Set the trigger configuration: proton-proton
137 AliSimulation::Instance()->SetTriggerConfig("p-p");
138
139 //
140 //=======================================================================
141 // ************* STEERING parameters FOR ALICE SIMULATION **************
142 // --- Specify event type to be tracked through the ALICE setup
143 // --- All positions are in cm, angles in degrees, and P and E in GeV
144
145
146 gMC->SetProcess("DCAY",1);
147 gMC->SetProcess("PAIR",1);
148 gMC->SetProcess("COMP",1);
149 gMC->SetProcess("PHOT",1);
150 gMC->SetProcess("PFIS",0);
151 gMC->SetProcess("DRAY",0);
152 gMC->SetProcess("ANNI",1);
153 gMC->SetProcess("BREM",1);
154 gMC->SetProcess("MUNU",1);
155 gMC->SetProcess("CKOV",1);
156 gMC->SetProcess("HADR",1);
157 gMC->SetProcess("LOSS",2);
158 gMC->SetProcess("MULS",1);
159 gMC->SetProcess("RAYL",1);
160
161 Float_t cut = 1.e-3; // 1MeV cut by default
162 Float_t tofmax = 1.e10;
163
164 gMC->SetCut("CUTGAM", cut);
165 gMC->SetCut("CUTELE", cut);
166 gMC->SetCut("CUTNEU", cut);
167 gMC->SetCut("CUTHAD", cut);
168 gMC->SetCut("CUTMUO", cut);
169 gMC->SetCut("BCUTE", cut);
170 gMC->SetCut("BCUTM", cut);
171 gMC->SetCut("DCUTE", cut);
172 gMC->SetCut("DCUTM", cut);
173 gMC->SetCut("PPCUTM", cut);
174 gMC->SetCut("TOFMAX", tofmax);
175
176
177
178
179 //======================//
180 // Set External decayer //
181 //======================//
182 TVirtualMCDecayer* decayer = new AliDecayerPythia();
183 decayer->SetForceDecay(kAll);
184 decayer->Init();
185 gMC->SetExternalDecayer(decayer);
186
187 //=========================//
188 // Generator Configuration //
189 //=========================//
190 AliGenerator* gener = 0x0;
191
192 if (proc == kPythia6) {
193 gener = MbPythia();
194 } else if (proc == kPythia6D6T) {
195 gener = MbPythiaTuneD6T();
196 } else if (proc == kPhojet) {
197 gener = MbPhojet();
198 }
199
200
201
202 // PRIMARY VERTEX
203 //
204 gener->SetOrigin(0., 0., 0.); // vertex position
205 //
206 //
207 // Size of the interaction diamond
208 // Longitudinal
209 Float_t sigmaz = 5.4 / TMath::Sqrt(2.); // [cm]
210 if (energy == 900)
211 sigmaz = 10.5 / TMath::Sqrt(2.); // [cm]
212 //
213 // Transverse
214 Float_t betast = 10; // beta* [m]
215 Float_t eps = 3.75e-6; // emittance [m]
216 Float_t gamma = energy / 2.0 / 0.938272; // relativistic gamma [1]
217 Float_t sigmaxy = TMath::Sqrt(eps * betast / gamma) / TMath::Sqrt(2.) * 100.; // [cm]
218 printf("\n \n Diamond size x-y: %10.3e z: %10.3e\n \n", sigmaxy, sigmaz);
219
220 gener->SetSigma(sigmaxy, sigmaxy, sigmaz); // Sigma in (X,Y,Z) (cm) on IP position
221 gener->SetCutVertexZ(3.); // Truncate at 3 sigma
222 gener->SetVertexSmear(kPerEvent);
223
224 gener->Init();
225
226 // FIELD
227 //
228 AliMagF* field = 0x0;
229 if (mag == kNoField) {
230 comment = comment.Append(" | L3 field 0.0 T");
231 field = new AliMagF("Maps","Maps", 0., 0., AliMagF::k5kGUniform,AliMagF::kBeamTypepp, energy/2.0);
232 } else if (mag == k5kG) {
233 comment = comment.Append(" | L3 field 0.5 T");
234 field = new AliMagF("Maps","Maps", -1., -1., AliMagF::k5kG, AliMagF::kBeamTypepp, energy/2.0);
235 }
236 printf("\n \n Comment: %s \n \n", comment.Data());
237
238 TGeoGlobalMagField::Instance()->SetField(field);
239
240 rl->CdGAFile();
241
242 Int_t iABSO = 1;
243 Int_t iACORDE= 0;
244 Int_t iDIPO = 1;
245 Int_t iEMCAL = 1;
246 Int_t iFMD = 1;
247 Int_t iFRAME = 1;
248 Int_t iHALL = 1;
249 Int_t iITS = 1;
250 Int_t iMAG = 1;
251 Int_t iMUON = 1;
252 Int_t iPHOS = 1;
253 Int_t iPIPE = 1;
254 Int_t iPMD = 1;
255 Int_t iHMPID = 1;
256 Int_t iSHIL = 1;
257 Int_t iT0 = 1;
258 Int_t iTOF = 1;
259 Int_t iTPC = 1;
260 Int_t iTRD = 1;
261 Int_t iVZERO = 1;
262 Int_t iZDC = 1;
263
264
265 //=================== Alice BODY parameters =============================
266 AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
267
268
269 if (iMAG)
270 {
271 //=================== MAG parameters ============================
272 // --- Start with Magnet since detector layouts may be depending ---
273 // --- on the selected Magnet dimensions ---
274 AliMAG *MAG = new AliMAG("MAG", "Magnet");
275 }
276
277
278 if (iABSO)
279 {
280 //=================== ABSO parameters ============================
281 AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber");
282 }
283
284 if (iDIPO)
285 {
286 //=================== DIPO parameters ============================
287
288 AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3");
289 }
290
291 if (iHALL)
292 {
293 //=================== HALL parameters ============================
294
295 AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall");
296 }
297
298
299 if (iFRAME)
300 {
301 //=================== FRAME parameters ============================
302
303 AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
304 FRAME->SetHoles(1);
305 }
306
307 if (iSHIL)
308 {
309 //=================== SHIL parameters ============================
310
311 AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3");
312 }
313
314
315 if (iPIPE)
316 {
317 //=================== PIPE parameters ============================
318
319 AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe");
320 }
321
322 if (iITS)
323 {
324 //=================== ITS parameters ============================
325
3a5fcc75 326 AliITS *ITS = new AliITSv11("ITS","ITS v11");
7b4ede57 327 }
328
329 if (iTPC)
330 {
331 //============================ TPC parameters =====================
332
333 AliTPC *TPC = new AliTPCv2("TPC", "Default");
334 }
335
336
337 if (iTOF) {
338 //=================== TOF parameters ============================
339
340 AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF");
341 }
342
343
344 if (iHMPID)
345 {
346 //=================== HMPID parameters ===========================
347
348 AliHMPID *HMPID = new AliHMPIDv3("HMPID", "normal HMPID");
349
350 }
351
352
353 if (iZDC)
354 {
355 //=================== ZDC parameters ============================
356
357 AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC");
358 }
359
360 if (iTRD)
361 {
362 //=================== TRD parameters ============================
363
364 AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
365 AliTRDgeometry *geoTRD = TRD->GetGeometry();
02bbffe1 366 // Partial geometry: modules at 0,1,7,8,9,10,11,15,16,17
7b4ede57 367 // starting at 3h in positive direction
368 geoTRD->SetSMstatus(2,0);
369 geoTRD->SetSMstatus(3,0);
370 geoTRD->SetSMstatus(4,0);
371 geoTRD->SetSMstatus(5,0);
372 geoTRD->SetSMstatus(6,0);
373 geoTRD->SetSMstatus(12,0);
374 geoTRD->SetSMstatus(13,0);
375 geoTRD->SetSMstatus(14,0);
376 }
377
378 if (iFMD)
379 {
380 //=================== FMD parameters ============================
381
382 AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
383 }
384
385 if (iMUON)
386 {
387 //=================== MUON parameters ===========================
388 // New MUONv1 version (geometry defined via builders)
389
390 AliMUON *MUON = new AliMUONv1("MUON", "default");
391 }
392
393 if (iPHOS)
394 {
395 //=================== PHOS parameters ===========================
396
397 AliPHOS *PHOS = new AliPHOSv1("PHOS", "noCPV_Modules123");
398 }
399
400
401 if (iPMD)
402 {
403 //=================== PMD parameters ============================
404
405 AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
406 }
407
408 if (iT0)
409 {
410 //=================== T0 parameters ============================
411 AliT0 *T0 = new AliT0v1("T0", "T0 Detector");
412 }
413
414 if (iEMCAL)
415 {
416 //=================== EMCAL parameters ============================
417
418 AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_COMPLETEV1");
419 }
420
421 if (iACORDE)
422 {
423 //=================== ACORDE parameters ============================
424
425 AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE");
426 }
427
428 if (iVZERO)
429 {
430 //=================== ACORDE parameters ============================
431
432 AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO");
433 }
434}
435//
436// PYTHIA
437//
438
439AliGenerator* MbPythia()
440{
441 comment = comment.Append(" pp at 14 TeV: Pythia low-pt");
442//
443// Pythia
444 AliGenPythia* pythia = new AliGenPythia(-1);
445 pythia->SetMomentumRange(0, 999999.);
446 pythia->SetThetaRange(0., 180.);
447 pythia->SetYRange(-12.,12.);
448 pythia->SetPtRange(0,1000.);
449 pythia->SetProcess(kPyMb);
450 pythia->SetEnergyCMS(energy);
451
452 return pythia;
453}
454
455AliGenerator* MbPythiaTuneD6T()
456{
457 comment = comment.Append(" pp at 14 TeV: Pythia low-pt");
458//
459// Pythia
460 AliGenPythia* pythia = new AliGenPythia(-1);
461 pythia->SetMomentumRange(0, 999999.);
462 pythia->SetThetaRange(0., 180.);
463 pythia->SetYRange(-12.,12.);
464 pythia->SetPtRange(0,1000.);
465 pythia->SetProcess(kPyMb);
466 pythia->SetEnergyCMS(energy);
467// Tune
468// 109 D6T : Rick Field's CDF Tune D6T (NB: needs CTEQ6L pdfs externally)
469 pythia->SetTune(109);
470 pythia->SetStrucFunc(kCTEQ6l);
471//
472 return pythia;
473}
474
475AliGenerator* MbPhojet()
476{
477 comment = comment.Append(" pp at 14 TeV: Pythia low-pt");
478//
479// DPMJET
480#if defined(__CINT__)
481 gSystem->Load("libdpmjet"); // Parton density functions
482 gSystem->Load("libTDPMjet"); // Parton density functions
483#endif
484 AliGenDPMjet* dpmjet = new AliGenDPMjet(-1);
485 dpmjet->SetMomentumRange(0, 999999.);
486 dpmjet->SetThetaRange(0., 180.);
487 dpmjet->SetYRange(-12.,12.);
488 dpmjet->SetPtRange(0,1000.);
489 dpmjet->SetProcess(kDpmMb);
490 dpmjet->SetEnergyCMS(energy);
491
492 return dpmjet;
493}
494
495void ProcessEnvironmentVars()
496{
497 // Run type
498 if (gSystem->Getenv("CONFIG_RUN_TYPE")) {
499 for (Int_t iRun = 0; iRun < kRunMax; iRun++) {
500 if (strcmp(gSystem->Getenv("CONFIG_RUN_TYPE"), pprRunName[iRun])==0) {
501 proc = (PDC06Proc_t)iRun;
502 cout<<"Run type set to "<<pprRunName[iRun]<<endl;
503 }
504 }
505 }
506
507 // Field
508 if (gSystem->Getenv("CONFIG_FIELD")) {
509 for (Int_t iField = 0; iField < kFieldMax; iField++) {
510 if (strcmp(gSystem->Getenv("CONFIG_FIELD"), pprField[iField])==0) {
511 mag = (Mag_t)iField;
512 cout<<"Field set to "<<pprField[iField]<<endl;
513 }
514 }
515 }
516
517 // Energy
518 if (gSystem->Getenv("CONFIG_ENERGY")) {
519 energy = atoi(gSystem->Getenv("CONFIG_ENERGY"));
520 cout<<"Energy set to "<<energy<<" GeV"<<endl;
521 }
522
523 // Random Number seed
524 if (gSystem->Getenv("CONFIG_SEED")) {
525 seed = atoi(gSystem->Getenv("CONFIG_SEED"));
526 }
527}