4 new AliGeant3("C++ Interface to Geant3");
6 //=======================================================================
7 // Create the output file
9 TFile *rootfile = new TFile("galice.root","recreate");
10 rootfile->SetCompressionLevel(2);
11 TGeant3 *geant3 = (TGeant3*)gMC;
13 //=======================================================================
14 // ******* GEANT STEERING parameters FOR ALICE SIMULATION *******
15 geant3->SetTRIG(1); //Number of events to be processed
16 geant3->SetSWIT(4,10);
17 geant3->SetDEBU(0,0,1);
18 //geant3->SetSWIT(2,2);
29 geant3->SetHADR(1); //Select pure GEANH (HADR 1) or GEANH/NUCRIN (HADR 3)
33 geant3->SetAUTO(1); //Select automatic STMIN etc... calc. (AUTO 1) or manual (AUTO 0)
34 geant3->SetABAN(0); //Restore 3.16 behaviour for abandoned tracks
35 geant3->SetOPTI(2); //Select optimisation level for GEANT geometry searches (0,1,2)
36 geant3->SetERAN(5.e-7);
38 Float_t cut = 1.e-3; // 1MeV cut by default
39 Float_t tofmax = 1.e10;
40 // GAM ELEC NHAD CHAD MUON EBREM MUHAB EDEL MUDEL MUPA TOFMAX
41 geant3->SetCUTS(cut,cut, cut, cut, cut, cut, cut, cut, cut, cut, tofmax);
43 //=======================================================================
44 // ************* STEERING parameters FOR ALICE SIMULATION **************
45 // --- Specify event type to be tracked through the ALICE setup
46 // --- All positions are in cm, angles in degrees, and P and E in GeV
47 AliGenHIJINGpara *gener = new AliGenHIJINGpara(50);
48 gener->SetMomentumRange(0,999);
49 gener->SetPhiRange(0,360);
50 gener->SetThetaRange(10,170);
51 gener->SetOrigin(0,0,0); //vertex position
52 gener->SetSigma(0,0,0); //Sigma in (X,Y,Z) (cm) on IP position
55 // Activate this line if you want the vertex smearing to happen
58 //gener->SetVertexSmear(perTrack);
60 gAlice->SetField(-999,2); //Specify maximum magnetic field in Tesla (neg. ==> default field)
82 //=================== Alice BODY parameters =============================
83 AliBODY *BODY = new AliBODY("BODY","Alice envelop");
87 //=================== MAG parameters ============================
88 // --- Start with Magnet since detector layouts may be depending ---
89 // --- on the selected Magnet dimensions ---
90 AliMAG *MAG = new AliMAG("MAG","Magnet");
95 //=================== ABSO parameters ============================
96 AliABSO *ABSO = new AliABSOv0("ABSO","Muon Absorber");
100 //=================== DIPO parameters ============================
102 AliDIPO *DIPO = new AliDIPOv2("DIPO","Dipole version 2");
106 //=================== HALL parameters ============================
108 AliHALL *HALL = new AliHALL("HALL","Alice Hall");
113 //=================== FRAME parameters ============================
115 AliFRAME *FRAME = new AliFRAMEv0("FRAME","Space Frame");
120 //=================== SHIL parameters ============================
122 AliSHIL *SHIL = new AliSHILv0("SHIL","Shielding");
127 //=================== PIPE parameters ============================
129 AliPIPE *PIPE = new AliPIPEv0("PIPE","Beam Pipe");
134 //=================== ITS parameters ============================
136 // EUCLID is a flag to output (=1) both geometry and media to two ASCII files
137 // (called by default ITSgeometry.euc and ITSgeometry.tme) in a format
138 // understandable to the CAD system EUCLID. The default (=0) means that you
139 // dont want to use this facility.
141 AliITS *ITS = new AliITSv5("ITS","normal ITS");
147 //============================ TPC parameters ================================
148 // --- This allows the user to specify sectors for the SLOW (TPC geometry 2)
149 // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper)
150 // --- sectors are specified, any value other than that requires at least one
151 // --- sector (lower or upper)to be specified!
152 // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0)
153 // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0)
154 // --- SecLows - number of lower sectors specified (up to 6)
155 // --- SecUps - number of upper sectors specified (up to 12)
156 // --- Sens - sensitive strips for the Slow Simulator !!!
157 // --- This does NOT work if all S or L-sectors are specified, i.e.
158 // --- if SecAL or SecAU < 0
161 //-----------------------------------------------------------------------------
163 gROOT->LoadMacro("SetTPCParam.C");
164 AliTPCParam *param = SetTPCParam();
165 AliTPC *TPC = new AliTPCv1("TPC","Normal TPC"); //v1 is default
166 TPC->SetParam(param); // pass the parameter object to the TPC
170 TPC->SetGasMixt(2,20,10,-1,0.9,0.1,0.);
173 TPC->SetSecLows(1, 2, 3, 19, 20, 21);
174 TPC->SetSecUps(37, 38, 39, 37+18, 38+18, 39+18, -1, -1, -1, -1, -1, -1);
177 if (TPC->IsVersion()==1) param->Write(param->GetTitle());
181 //=================== TOF parameters ============================
182 AliTOF *TOF = new AliTOFv1("TOF","normal TOF");
186 //=================== RICH parameters ===========================
187 AliRICH *RICH = new AliRICHv0("RICH","normal RICH");
191 // Default Segmentation
192 AliRICHSegmentationV0* SegmentationV0 = new AliRICHSegmentationV0;
194 // Segmentation parameters
195 SegmentationV0->SetPadSize(0.84,0.80);
196 SegmentationV0->SetDAnod(0.84/2);
198 // Geometry parameters
199 AliRICHGeometry* GeometryV0 = new AliRICHGeometryV0;
200 GeometryV0->SetGapThickness(7.6);
201 GeometryV0->SetProximityGapThickness(.4);
202 GeometryV0->SetQuartzLength(131);
203 GeometryV0->SetQuartzWidth(126.2);
204 GeometryV0->SetQuartzThickness(.5);
205 GeometryV0->SetOuterFreonLength(131);
206 GeometryV0->SetOuterFreonWidth(40.3);
207 GeometryV0->SetInnerFreonLength(131);
208 GeometryV0->SetInnerFreonWidth(40.3);
209 GeometryV0->SetFreonThickness(1);
211 // Response parameters
212 AliRICHResponseV0* Rresponse0 = new AliRICHResponseV0;
213 Rresponse0->SetSigmaIntegration(5.);
214 Rresponse0->SetChargeSlope(41.);
215 Rresponse0->SetChargeSpread(0.18, 0.18);
216 Rresponse0->SetMaxAdc(1024);
217 Rresponse0->SetAlphaFeedback(0.05);
218 Rresponse0->SetEIonisation(26.e-9);
219 Rresponse0->SetSqrtKx3(0.77459667);
220 Rresponse0->SetKx2(0.962);
221 Rresponse0->SetKx4(0.379);
222 Rresponse0->SetSqrtKy3(0.77459667);
223 Rresponse0->SetKy2(0.962);
224 Rresponse0->SetKy4(0.379);
225 Rresponse0->SetPitch(0.25);
228 for (Int_t i=0; i<7; i++) {
229 RICH->SetGeometryModel(i,GeometryV0);
230 RICH->SetSegmentationModel(i, SegmentationV0);
231 RICH->SetResponseModel(i, Rresponse0);
238 //=================== ZDC parameters ============================
240 AliZDC *ZDC = new AliZDCv1("ZDC","normal ZDC");
244 //=================== CASTOR parameters ============================
246 AliCASTOR *CASTOR = new AliCASTORv1("CASTOR","normal CASTOR");
250 //=================== TRD parameters ============================
252 AliTRD *TRD = new AliTRDv1("TRD","TRD version 0");
253 // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2)
258 //=================== FMD parameters ============================
260 AliFMD *FMD = new AliFMDv1("FMD","normal FMD");
264 //=================== MUON parameters ===========================
266 AliMUON *MUON = new AliMUONv0("MUON","normal MUON");
268 MUON->SetMaxStepGas(0.1);
269 MUON->SetMaxStepAlu(0.1);
273 // First define the number of planes that are segmented (1 or 2) by a call
275 // Then chose for each chamber (chamber plane) the segmentation
276 // and response model.
277 // They should be equal for the two chambers of each station. In a future
278 // version this will be enforced.
284 AliMUONresponseV0* response0 = new AliMUONresponseV0;
285 response0->SetSqrtKx3(0.7131);
286 response0->SetKx2(1.0107);
287 response0->SetKx4(0.4036);
288 response0->SetSqrtKy3(0.7642);
289 response0->SetKy2(0.9706);
290 response0->SetKy4(0.3831);
291 response0->SetPitch(0.25);
292 response0->SetSigmaIntegration(10.);
293 response0->SetChargeSlope(50);
294 response0->SetChargeSpread(0.18, 0.18);
295 response0->SetMaxAdc(4096);
296 //--------------------------------------------------------
297 // Configuration for Chamber TC1/2 (Station 1) ----------
298 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
299 // Float_t rseg1[4]={17.5, 55.2, 71.3, 95.5};
300 Float_t rseg1[4]={15.5, 55.2, 71.3, 95.5};
301 Int_t nseg1[4]={4, 4, 2, 1};
305 MUON->SetNsec(chamber-1,2);
307 AliMUONsegmentationV01 *seg11=new AliMUONsegmentationV01;
309 seg11->SetSegRadii(rseg1);
310 seg11->SetPADSIZ(3, 0.5);
311 seg11->SetDAnod(3.0/3./4);
312 seg11->SetPadDivision(nseg1);
314 MUON->SetSegmentationModel(chamber-1, 1, seg11);
316 AliMUONsegmentationV02 *seg12=new AliMUONsegmentationV02;
317 seg12->SetSegRadii(rseg1);
318 seg12->SetPADSIZ(0.75, 2.0);
319 seg12->SetDAnod(3.0/3./4);
320 seg12->SetPadDivision(nseg1);
322 MUON->SetSegmentationModel(chamber-1, 2, seg12);
324 MUON->SetResponseModel(chamber-1, response0);
329 MUON->SetNsec(chamber-1,2);
331 AliMUONsegmentationV01 *seg21=new AliMUONsegmentationV01;
332 seg21->SetSegRadii(rseg1);
333 seg21->SetPADSIZ(3, 0.5);
334 seg21->SetDAnod(3.0/3./4);
335 seg21->SetPadDivision(nseg1);
336 MUON->SetSegmentationModel(chamber-1, 1, seg21);
338 AliMUONsegmentationV02 *seg22=new AliMUONsegmentationV02;
339 seg22->SetSegRadii(rseg1);
340 seg22->SetPADSIZ(0.75, 2.);
341 seg22->SetDAnod(3.0/3./4);
342 seg22->SetPadDivision(nseg1);
343 MUON->SetSegmentationModel(chamber-1, 2, seg22);
345 MUON->SetResponseModel(chamber-1, response0);
347 //--------------------------------------------------------
348 // Configuration for Chamber TC3/4 -----------------------
349 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
350 // Float_t rseg2[4]={23.5, 47.1, 87.7, 122.5};
351 Float_t rseg2[4]={21.5, 47.1, 87.7, 122.5};
352 Int_t nseg2[4]={4, 4, 2, 1};
356 MUON->SetNsec(chamber-1,2);
358 AliMUONsegmentationV01 *seg31=new AliMUONsegmentationV01;
359 seg31->SetSegRadii(rseg2);
360 seg31->SetPADSIZ(3, 0.5);
361 seg31->SetDAnod(3.0/3./4);
362 seg31->SetPadDivision(nseg2);
363 MUON->SetSegmentationModel(chamber-1, 1, seg31);
365 AliMUONsegmentationV02 *seg32=new AliMUONsegmentationV02;
366 seg32->SetSegRadii(rseg2);
367 seg32->SetPADSIZ(0.75, 2.);
368 seg32->SetPadDivision(nseg2);
369 seg32->SetDAnod(3.0/3./4);
371 MUON->SetSegmentationModel(chamber-1, 2, seg32);
373 MUON->SetResponseModel(chamber-1, response0);
378 MUON->SetNsec(chamber-1,2);
380 AliMUONsegmentationV01 *seg41=new AliMUONsegmentationV01;
381 seg41->SetSegRadii(rseg2);
382 seg41->SetPADSIZ(3, 0.5);
383 seg41->SetDAnod(3.0/3./4);
384 seg41->SetPadDivision(nseg2);
385 MUON->SetSegmentationModel(chamber-1, 1, seg41);
387 AliMUONsegmentationV02 *seg42=new AliMUONsegmentationV02;
388 seg42->SetSegRadii(rseg2);
389 seg42->SetPADSIZ(0.75, 2.);
390 seg42->SetPadDivision(nseg2);
391 seg42->SetDAnod(3.0/3./4);
393 MUON->SetSegmentationModel(chamber-1, 2, seg42);
395 MUON->SetResponseModel(chamber-1, response0);
398 //--------------------------------------------------------
399 // Configuration for Chamber TC5/6 -----------------------
400 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
402 seg5 = new AliMUONsegmentationV1;
403 AliMUONresponseV0* response5 = new AliMUONresponseV0;
405 response5->SetSqrtKx3(0.78740079);
406 response5->SetKx2(0.95237319); // 0.5 * kPI * (1- 0.5*sqrtky3 )
407 response5->SetKx4(0.37480633); // 0.25/TMath::ATan(sqrtkx3)
409 response5->SetSqrtKy3(0.74161985);
410 response5->SetKy2(0.98832946);
411 response5->SetKy4(0.39177817);
412 response5->SetPitch(0.325);
413 response5->SetSigmaIntegration(10.);
414 response5->SetChargeSlope(50);
415 response5->SetChargeSpread(0.4, 0.4);
416 response5->SetMaxAdc(4096);
419 MUON->SetNsec(chamber-1,1);
420 MUON->SetSegmentationModel(chamber-1, 1, seg5);
421 MUON->SetResponseModel(chamber-1, response5);
424 MUON->SetNsec(chamber-1,1);
425 MUON->SetSegmentationModel(chamber-1, 1, seg5);
426 MUON->SetResponseModel(chamber-1, response5);
430 MUON->SetPADSIZ(station, 1, 0.975, 0.55);
435 MUON->SetNsec(chamber-1,2);
437 AliMUONsegmentationV0 *seg51=new AliMUONsegmentationV0;
438 seg51->SetPADSIZ(0.75, 0.5);
439 seg51->SetDAnod(3.0/3./4);
440 MUON->SetSegmentationModel(chamber-1, 1, seg51);
442 AliMUONsegmentationV0 *seg52=new AliMUONsegmentationV0;
443 seg52->SetPADSIZ(0.5,0.75);
444 seg52->SetDAnod(3.0/3./4);
445 MUON->SetSegmentationModel(chamber-1, 2, seg52);
447 MUON->SetResponseModel(chamber-1, response0);
451 MUON->SetNsec(chamber-1,2);
453 AliMUONsegmentationV0 *seg61=new AliMUONsegmentationV0;
454 seg61->SetPADSIZ(0.75, 0.5);
455 seg61->SetDAnod(3.0/3./4);
456 MUON->SetSegmentationModel(chamber-1, 1, seg61);
458 AliMUONsegmentationV0 *seg62=new AliMUONsegmentationV0;
459 seg62->SetPADSIZ(0.5,0.75);
460 seg62->SetDAnod(3.0/3./4);
461 MUON->SetSegmentationModel(chamber-1, 2, seg62);
463 MUON->SetResponseModel(chamber-1, response0);
465 //--------------------------------------------------------
466 // Configuration for Chamber TC7/8 (Station 4) ----------
467 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
469 Int_t nseg4[4]={4, 4, 2, 1};
473 MUON->SetNsec(chamber-1,2);
475 AliMUONsegmentationV04 *seg71=new AliMUONsegmentationV04;
476 seg71->SetPADSIZ(10.,0.5);
477 seg71->SetDAnod(0.25);
478 seg71->SetPadDivision(nseg4);
479 MUON->SetSegmentationModel(chamber-1, 1, seg71);
481 AliMUONsegmentationV05 *seg72=new AliMUONsegmentationV05;
482 seg72->SetPADSIZ(1,10);
483 seg72->SetDAnod(0.25);
484 seg72->SetPadDivision(nseg4);
485 MUON->SetSegmentationModel(chamber-1, 2, seg72);
487 MUON->SetResponseModel(chamber-1, response0);
491 MUON->SetNsec(chamber-1,2);
492 AliMUONsegmentationV04 *seg81=new AliMUONsegmentationV04;
493 seg81->SetPADSIZ(10., 0.5);
494 seg81->SetPadDivision(nseg4);
495 seg81->SetDAnod(0.25);
496 MUON->SetSegmentationModel(chamber-1, 1, seg81);
498 AliMUONsegmentationV05 *seg82=new AliMUONsegmentationV05;
499 seg82->SetPADSIZ(1, 10);
500 seg82->SetPadDivision(nseg4);
501 seg82->SetDAnod(0.25);
502 MUON->SetSegmentationModel(chamber-1, 2, seg82);
504 MUON->SetResponseModel(chamber-1, response0);
505 //--------------------------------------------------------
506 // Configuration for Chamber TC9/10 (Station 5) ---------
507 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
510 MUON->SetNsec(chamber-1,2);
512 AliMUONsegmentationV04 *seg91=new AliMUONsegmentationV04;
513 seg91->SetPADSIZ(10.,0.5);
514 seg91->SetDAnod(0.25);
515 seg91->SetPadDivision(nseg4);
516 MUON->SetSegmentationModel(chamber-1, 1, seg91);
518 AliMUONsegmentationV05 *seg92=new AliMUONsegmentationV05;
519 seg92->SetPADSIZ(1,10);
520 seg92->SetDAnod(0.25);
521 seg92->SetPadDivision(nseg4);
523 MUON->SetSegmentationModel(chamber-1, 2, seg92);
525 MUON->SetResponseModel(chamber-1, response0);
529 MUON->SetNsec(chamber-1,2);
530 AliMUONsegmentationV04 *seg101=new AliMUONsegmentationV04;
531 seg101->SetPADSIZ(10., 0.5);
532 seg101->SetPadDivision(nseg4);
533 seg101->SetDAnod(0.25);
534 MUON->SetSegmentationModel(chamber-1, 1, seg101);
536 AliMUONsegmentationV05 *seg102=new AliMUONsegmentationV05;
537 seg102->SetPADSIZ(1,10);
538 seg102->SetPadDivision(nseg4);
539 seg102->SetDAnod(0.25);
540 MUON->SetSegmentationModel(chamber-1, 2, seg102);
542 MUON->SetResponseModel(chamber-1, response0);
543 //--------------------------------------------------------
544 // Configuration for Trigger staions ---------------------
545 // (not yet used/implemented) ----------------------------
546 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
549 MUON->SetNsec(chamber-1,1);
550 AliMUONsegmentationV0 *seg1112=new AliMUONsegmentationV0;
551 seg1112->SetDAnod(0.51/3.);
553 MUON->SetSegmentationModel(chamber-1, 1, seg1112);
554 MUON->SetResponseModel(chamber-1, response0);
557 MUON->SetNsec(chamber-1,1);
558 MUON->SetSegmentationModel(chamber-1, 1, seg1112);
559 MUON->SetResponseModel(chamber-1, response0);
563 MUON->SetPADSIZ(station, 1, 0.75, 0.5);
566 MUON->SetNsec(chamber-1,1);
567 AliMUONsegmentationV0 *seg1314=new AliMUONsegmentationV0;
568 seg1314->SetDAnod(0.51/3.);
570 MUON->SetSegmentationModel(chamber-1, 1, seg1314);
571 MUON->SetResponseModel(chamber-1, response0);
574 MUON->SetNsec(chamber-1,1);
575 MUON->SetSegmentationModel(chamber-1, 1, seg1314);
576 MUON->SetResponseModel(chamber-1, response0);
580 MUON->SetPADSIZ(station, 1, 0.75, 0.5);
583 //=================== PHOS parameters ===========================
586 AliPHOS *PHOS = new AliPHOSv0("PHOS","GPS2");
591 //=================== PMD parameters ============================
593 AliPMD *PMD = new AliPMDv0("PMD","normal PMD");
594 PMD->SetPAR(1., 1., 0.8, 0.02);
595 PMD->SetIN(6., 18., -580., 27., 27.);
596 PMD->SetGEO(0.0, 0.2, 4.);
597 PMD->SetPadSize(0.8, 1.0, 1.0, 1.5);
602 //=================== START parameters ============================
603 AliSTART *START = new AliSTARTv0("START","START Detector");