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 Float_t cut = 1.e-3; // 1MeV cut by default
37 Float_t tofmax = 1.e10;
38 // GAM ELEC NHAD CHAD MUON EBREM MUHAB EDEL MUDEL MUPA TOFMAX
39 geant3->SetCUTS(cut,cut, cut, cut, cut, cut, cut, cut, cut, cut, tofmax);
41 //=======================================================================
42 // ************* STEERING parameters FOR ALICE SIMULATION **************
43 // --- Specify event type to be tracked through the ALICE setup
44 // --- All positions are in cm, angles in degrees, and P and E in GeV
47 AliGenHIJINGpara *gener = new AliGenHIJINGpara(100);
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
57 //*********************************************
58 // Scanning on a grid *
59 //*********************************************
60 AliGenDoubleScan *gener = new AliGenDoubleScan(-1);
61 gener->SetMomentumRange(4,4);
62 gener->SetPhiRange(60,120);
63 gener->SetThetaRange(65,90);
65 gener->SetSigma(3,3,3); //Sigma in (X,Y,Z) (cm) on IP position
67 gener->SetRange(10, 0, 2*3.84, 1, 2.5, 2.5, 10, 0, 8);
68 gener->SetDistance(0.00005);
72 // Activate this line if you want the vertex smearing to happen
75 //gener->SetVertexSmear(perTrack);
78 gAlice->SetField(-999,2); //Specify maximum magnetic field in Tesla (neg. ==> default field)
100 //=================== Alice BODY parameters =============================
101 AliBODY *BODY = new AliBODY("BODY","Alice envelop");
105 //=================== MAG parameters ============================
106 // --- Start with Magnet since detector layouts may be depending ---
107 // --- on the selected Magnet dimensions ---
108 AliMAG *MAG = new AliMAG("MAG","Magnet");
113 //=================== ABSO parameters ============================
114 AliABSO *ABSO = new AliABSOv0("ABSO","Muon Absorber");
118 //=================== DIPO parameters ============================
120 AliDIPO *DIPO = new AliDIPOv2("DIPO","Dipole version 2");
124 //=================== HALL parameters ============================
126 AliHALL *HALL = new AliHALL("HALL","Alice Hall");
131 //=================== FRAME parameters ============================
133 AliFRAME *FRAME = new AliFRAMEv0("FRAME","Space Frame");
138 //=================== SHIL parameters ============================
140 AliSHIL *SHIL = new AliSHILv0("SHIL","Shielding");
145 //=================== PIPE parameters ============================
147 AliPIPE *PIPE = new AliPIPEv0("PIPE","Beam Pipe");
152 //=================== ITS parameters ============================
154 // EUCLID is a flag to output (=1) both geometry and media to two ASCII files
155 // (called by default ITSgeometry.euc and ITSgeometry.tme) in a format
156 // understandable to the CAD system EUCLID. The default (=0) means that you
157 // dont want to use this facility.
159 AliITS *ITS = new AliITSv5("ITS","normal ITS");
165 //============================ TPC parameters ================================
166 // --- This allows the user to specify sectors for the SLOW (TPC geometry 2)
167 // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper)
168 // --- sectors are specified, any value other than that requires at least one
169 // --- sector (lower or upper)to be specified!
170 // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0)
171 // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0)
172 // --- SecLows - number of lower sectors specified (up to 6)
173 // --- SecUps - number of upper sectors specified (up to 12)
174 // --- Sens - sensitive strips for the Slow Simulator !!!
175 // --- This does NOT work if all S or L-sectors are specified, i.e.
176 // --- if SecAL or SecAU < 0
179 //-----------------------------------------------------------------------------
181 AliTPC *TPC = new AliTPCv1("TPC","Normal TPC");
182 AliTPCD *paramd = TPC->GetDigParam();
183 AliTPCParam *param = &(paramd->GetParam());
185 // Set geometrical parameters
187 param->SetSectorAngles(20.,10.,20.,10.);
188 param->SetInnerRadiusLow(83.9);
189 param->SetInnerRadiusUp(141.3);
190 param->SetOuterRadiusLow(146.9);
191 param->SetOuterRadiusUp(249.4);
192 param->SetInSecLowEdge(81.6);
193 param->SetInSecUpEdge(143.6);
194 param->SetOuSecLowEdge(144.2);
195 param->SetOuSecUpEdge(252.1);
197 param->SetDeadZone(1.15);
198 param->SetPadLength(2.0);
199 param->SetPadWidth(0.3);
200 param->SetPadPitchLength(2.05);
201 param->SetPadPitchWidth(0.35);
204 if (TPC->IsVersion() != 2) paramd->Write("Param1");
208 TPC->SetGasMixt(2,20,10,-1,0.9,0.1,0.);
211 // Meaningless with versions other than 2
212 TPC->SetSecLows(1, 2, 3, 1+18, 2+18, 3+18);
213 TPC->SetSecUps(1+36, 2+36, 3+36, 1+38+18, 2+38+18, 3+38+18, -1,-1,-1,-1,-1,-1);
218 //=================== TOF parameters ============================
219 AliTOF *TOF = new AliTOFv1("TOF","normal TOF");
223 //=================== RICH parameters ===========================
225 AliRICH *RICH = new AliRICHv0("RICH","normal RICH");
227 RICH->SetSMAXAR(0.03);
231 // Default Segmentation
232 AliRICHsegmentationV0* RsegV0 = new AliRICHsegmentationV0;
233 RsegV0->SetPADSIZ(.8, .8);
234 RsegV0->SetDAnod(0.8/3);
236 AliRICHresponseV0* Rresponse0 = new AliRICHresponseV0;
237 AliRICHresponseCkv* RresponseCkv = new AliRICHresponseCkv;
239 //------------------------Chambers 0-6 ----------------------------
240 for (Int_t i=0; i<7; i++) {
241 RICH->SetSegmentationModel(i, 1, RsegV0);
242 RICH->SetResponseModel(i, mip , Rresponse0);
243 RICH->SetResponseModel(i, cerenkov, RresponseCkv);
244 RICH->Chamber(i).SetRSIGM(5.);
245 RICH->Chamber(i).SetMUCHSP(43.);
246 RICH->Chamber(i).SetMUSIGM(0.18, 0.18);
247 RICH->Chamber(i).SetMAXADC( 1024);
248 RICH->Chamber(i).SetSqrtKx3(0.77459667);
249 RICH->Chamber(i).SetKx2(0.962);
250 RICH->Chamber(i).SetKx4(0.379);
251 RICH->Chamber(i).SetSqrtKy3(0.77459667);
252 RICH->Chamber(i).SetKy2(0.962);
253 RICH->Chamber(i).SetKy4(0.379);
254 RICH->Chamber(i).SetPitch(0.25);
260 //=================== ZDC parameters ============================
262 AliZDC *ZDC = new AliZDCv1("ZDC","normal ZDC");
266 //=================== CASTOR parameters ============================
268 AliCASTOR *CASTOR = new AliCASTORv1("CASTOR","normal CASTOR");
272 //=================== TRD parameters ============================
274 AliTRD *TRD = new AliTRDv1("TRD","TRD version 0");
275 // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2)
280 //=================== FMD parameters ============================
282 AliFMD *FMD = new AliFMDv1("FMD","normal FMD");
286 //=================== MUON parameters ===========================
288 AliMUON *MUON = new AliMUONv0("MUON","normal MUON");
290 MUON->SetMaxStepGas(0.1);
291 MUON->SetMaxStepAlu(0.1);
295 // First define the number of planes that are segmented (1 or 2) by a call
297 // Then chose for each chamber (chamber plane) the segmentation
298 // and response model.
299 // They should be equal for the two chambers of each station. In a future
300 // version this will be enforced.
306 AliMUONresponseV0* response0 = new AliMUONresponseV0;
307 response0->SetSqrtKx3(0.7131);
308 response0->SetKx2(1.0107);
309 response0->SetKx4(0.4036);
310 response0->SetSqrtKy3(0.7642);
311 response0->SetKy2(0.9706);
312 response0->SetKy4(0.3831);
313 response0->SetPitch(0.25);
314 response0->SetSigmaIntegration(10.);
315 response0->SetChargeSlope(50);
316 response0->SetChargeSpread(0.18, 0.18);
317 response0->SetMaxAdc(4096);
318 //--------------------------------------------------------
319 // Configuration for Chamber TC1/2 (Station 1) ----------
320 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
321 // Float_t rseg1[4]={17.5, 55.2, 71.3, 95.5};
322 Float_t rseg1[4]={15.5, 55.2, 71.3, 95.5};
323 Int_t nseg1[4]={4, 4, 2, 1};
327 MUON->SetNsec(chamber-1,2);
329 AliMUONsegmentationV01 *seg11=new AliMUONsegmentationV01;
331 seg11->SetSegRadii(rseg1);
332 seg11->SetPADSIZ(3, 0.5);
333 seg11->SetDAnod(3.0/3./4);
334 seg11->SetPadDivision(nseg1);
336 MUON->SetSegmentationModel(chamber-1, 1, seg11);
338 AliMUONsegmentationV02 *seg12=new AliMUONsegmentationV02;
339 seg12->SetSegRadii(rseg1);
340 seg12->SetPADSIZ(0.75, 2.0);
341 seg12->SetDAnod(3.0/3./4);
342 seg12->SetPadDivision(nseg1);
344 MUON->SetSegmentationModel(chamber-1, 2, seg12);
346 MUON->SetResponseModel(chamber-1, response0);
351 MUON->SetNsec(chamber-1,2);
353 AliMUONsegmentationV01 *seg21=new AliMUONsegmentationV01;
354 seg21->SetSegRadii(rseg1);
355 seg21->SetPADSIZ(3, 0.5);
356 seg21->SetDAnod(3.0/3./4);
357 seg21->SetPadDivision(nseg1);
358 MUON->SetSegmentationModel(chamber-1, 1, seg21);
360 AliMUONsegmentationV02 *seg22=new AliMUONsegmentationV02;
361 seg22->SetSegRadii(rseg1);
362 seg22->SetPADSIZ(0.75, 2.);
363 seg22->SetDAnod(3.0/3./4);
364 seg22->SetPadDivision(nseg1);
365 MUON->SetSegmentationModel(chamber-1, 2, seg22);
367 MUON->SetResponseModel(chamber-1, response0);
369 //--------------------------------------------------------
370 // Configuration for Chamber TC3/4 -----------------------
371 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
372 // Float_t rseg2[4]={23.5, 47.1, 87.7, 122.5};
373 Float_t rseg2[4]={21.5, 47.1, 87.7, 122.5};
374 Int_t nseg2[4]={4, 4, 2, 1};
378 MUON->SetNsec(chamber-1,2);
380 AliMUONsegmentationV01 *seg31=new AliMUONsegmentationV01;
381 seg31->SetSegRadii(rseg2);
382 seg31->SetPADSIZ(3, 0.5);
383 seg31->SetDAnod(3.0/3./4);
384 seg31->SetPadDivision(nseg2);
385 MUON->SetSegmentationModel(chamber-1, 1, seg31);
387 AliMUONsegmentationV02 *seg32=new AliMUONsegmentationV02;
388 seg32->SetSegRadii(rseg2);
389 seg32->SetPADSIZ(0.75, 2.);
390 seg32->SetPadDivision(nseg2);
391 seg32->SetDAnod(3.0/3./4);
393 MUON->SetSegmentationModel(chamber-1, 2, seg32);
395 MUON->SetResponseModel(chamber-1, response0);
400 MUON->SetNsec(chamber-1,2);
402 AliMUONsegmentationV01 *seg41=new AliMUONsegmentationV01;
403 seg41->SetSegRadii(rseg2);
404 seg41->SetPADSIZ(3, 0.5);
405 seg41->SetDAnod(3.0/3./4);
406 seg41->SetPadDivision(nseg2);
407 MUON->SetSegmentationModel(chamber-1, 1, seg41);
409 AliMUONsegmentationV02 *seg42=new AliMUONsegmentationV02;
410 seg42->SetSegRadii(rseg2);
411 seg42->SetPADSIZ(0.75, 2.);
412 seg42->SetPadDivision(nseg2);
413 seg42->SetDAnod(3.0/3./4);
415 MUON->SetSegmentationModel(chamber-1, 2, seg42);
417 MUON->SetResponseModel(chamber-1, response0);
420 //--------------------------------------------------------
421 // Configuration for Chamber TC5/6 -----------------------
422 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
424 seg5 = new AliMUONsegmentationV1;
425 AliMUONresponseV0* response5 = new AliMUONresponseV0;
427 response5->SetSqrtKx3(0.78740079);
428 response5->SetKx2(0.95237319); // 0.5 * kPI * (1- 0.5*sqrtky3 )
429 response5->SetKx4(0.37480633); // 0.25/TMath::ATan(sqrtkx3)
431 response5->SetSqrtKy3(0.74161985);
432 response5->SetKy2(0.98832946);
433 response5->SetKy4(0.39177817);
434 response5->SetPitch(0.325);
435 response5->SetSigmaIntegration(10.);
436 response5->SetChargeSlope(50);
437 response5->SetChargeSpread(0.4, 0.4);
438 response5->SetMaxAdc(4096);
441 MUON->SetNsec(chamber-1,1);
442 MUON->SetSegmentationModel(chamber-1, 1, seg5);
443 MUON->SetResponseModel(chamber-1, response5);
446 MUON->SetNsec(chamber-1,1);
447 MUON->SetSegmentationModel(chamber-1, 1, seg5);
448 MUON->SetResponseModel(chamber-1, response5);
452 MUON->SetPADSIZ(station, 1, 0.975, 0.55);
457 MUON->SetNsec(chamber-1,2);
459 AliMUONsegmentationV0 *seg51=new AliMUONsegmentationV0;
460 seg51->SetPADSIZ(0.75, 0.5);
461 seg51->SetDAnod(3.0/3./4);
462 MUON->SetSegmentationModel(chamber-1, 1, seg51);
464 AliMUONsegmentationV0 *seg52=new AliMUONsegmentationV0;
465 seg52->SetPADSIZ(0.5,0.75);
466 seg52->SetDAnod(3.0/3./4);
467 MUON->SetSegmentationModel(chamber-1, 2, seg52);
469 MUON->SetResponseModel(chamber-1, response0);
473 MUON->SetNsec(chamber-1,2);
475 AliMUONsegmentationV0 *seg61=new AliMUONsegmentationV0;
476 seg61->SetPADSIZ(0.75, 0.5);
477 seg61->SetDAnod(3.0/3./4);
478 MUON->SetSegmentationModel(chamber-1, 1, seg61);
480 AliMUONsegmentationV0 *seg62=new AliMUONsegmentationV0;
481 seg62->SetPADSIZ(0.5,0.75);
482 seg62->SetDAnod(3.0/3./4);
483 MUON->SetSegmentationModel(chamber-1, 2, seg62);
485 MUON->SetResponseModel(chamber-1, response0);
487 //--------------------------------------------------------
488 // Configuration for Chamber TC7/8 (Station 4) ----------
489 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
491 Int_t nseg4[4]={4, 4, 2, 1};
495 MUON->SetNsec(chamber-1,2);
497 AliMUONsegmentationV04 *seg71=new AliMUONsegmentationV04;
498 seg71->SetPADSIZ(10.,0.5);
499 seg71->SetDAnod(0.25);
500 seg71->SetPadDivision(nseg4);
501 MUON->SetSegmentationModel(chamber-1, 1, seg71);
503 AliMUONsegmentationV05 *seg72=new AliMUONsegmentationV05;
504 seg72->SetPADSIZ(1,10);
505 seg72->SetDAnod(0.25);
506 seg72->SetPadDivision(nseg4);
507 MUON->SetSegmentationModel(chamber-1, 2, seg72);
509 MUON->SetResponseModel(chamber-1, response0);
513 MUON->SetNsec(chamber-1,2);
514 AliMUONsegmentationV04 *seg81=new AliMUONsegmentationV04;
515 seg81->SetPADSIZ(10., 0.5);
516 seg81->SetPadDivision(nseg4);
517 seg81->SetDAnod(0.25);
518 MUON->SetSegmentationModel(chamber-1, 1, seg81);
520 AliMUONsegmentationV05 *seg82=new AliMUONsegmentationV05;
521 seg82->SetPADSIZ(1, 10);
522 seg82->SetPadDivision(nseg4);
523 seg82->SetDAnod(0.25);
524 MUON->SetSegmentationModel(chamber-1, 2, seg82);
526 MUON->SetResponseModel(chamber-1, response0);
527 //--------------------------------------------------------
528 // Configuration for Chamber TC9/10 (Station 5) ---------
529 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
532 MUON->SetNsec(chamber-1,2);
534 AliMUONsegmentationV04 *seg91=new AliMUONsegmentationV04;
535 seg91->SetPADSIZ(10.,0.5);
536 seg91->SetDAnod(0.25);
537 seg91->SetPadDivision(nseg4);
538 MUON->SetSegmentationModel(chamber-1, 1, seg91);
540 AliMUONsegmentationV05 *seg92=new AliMUONsegmentationV05;
541 seg92->SetPADSIZ(1,10);
542 seg92->SetDAnod(0.25);
543 seg92->SetPadDivision(nseg4);
545 MUON->SetSegmentationModel(chamber-1, 2, seg92);
547 MUON->SetResponseModel(chamber-1, response0);
551 MUON->SetNsec(chamber-1,2);
552 AliMUONsegmentationV04 *seg101=new AliMUONsegmentationV04;
553 seg101->SetPADSIZ(10., 0.5);
554 seg101->SetPadDivision(nseg4);
555 seg101->SetDAnod(0.25);
556 MUON->SetSegmentationModel(chamber-1, 1, seg101);
558 AliMUONsegmentationV05 *seg102=new AliMUONsegmentationV05;
559 seg102->SetPADSIZ(1,10);
560 seg102->SetPadDivision(nseg4);
561 seg102->SetDAnod(0.25);
562 MUON->SetSegmentationModel(chamber-1, 2, seg102);
564 MUON->SetResponseModel(chamber-1, response0);
565 //--------------------------------------------------------
566 // Configuration for Trigger staions ---------------------
567 // (not yet used/implemented) ----------------------------
568 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
571 MUON->SetNsec(chamber-1,1);
572 AliMUONsegmentationV0 *seg1112=new AliMUONsegmentationV0;
573 seg1112->SetDAnod(0.51/3.);
575 MUON->SetSegmentationModel(chamber-1, 1, seg1112);
576 MUON->SetResponseModel(chamber-1, response0);
579 MUON->SetNsec(chamber-1,1);
580 MUON->SetSegmentationModel(chamber-1, 1, seg1112);
581 MUON->SetResponseModel(chamber-1, response0);
585 MUON->SetPADSIZ(station, 1, 0.75, 0.5);
588 MUON->SetNsec(chamber-1,1);
589 AliMUONsegmentationV0 *seg1314=new AliMUONsegmentationV0;
590 seg1314->SetDAnod(0.51/3.);
592 MUON->SetSegmentationModel(chamber-1, 1, seg1314);
593 MUON->SetResponseModel(chamber-1, response0);
596 MUON->SetNsec(chamber-1,1);
597 MUON->SetSegmentationModel(chamber-1, 1, seg1314);
598 MUON->SetResponseModel(chamber-1, response0);
602 MUON->SetPADSIZ(station, 1, 0.75, 0.5);
605 //=================== PHOS parameters ===========================
608 AliPHOS *PHOS = new AliPHOSv0("PHOS","normal PHOS");
609 AliPHOSGeometry *geom = new AliPHOSGeometry("default");
615 //=================== PMD parameters ============================
617 AliPMD *PMD = new AliPMDv0("PMD","normal PMD");
618 PMD->SetPAR(1., 1., 0.8, 0.02);
619 PMD->SetIN(6., 18., -580., 27., 27.);
620 PMD->SetGEO(0.0, 0.2, 4.);
621 PMD->SetPadSize(0.8, 1.0, 1.0, 1.5);
626 //=================== START parameters ============================
627 AliSTART *START = new AliSTARTv0("START","START Detector");