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");
146 //============================ TPC parameters ================================
147 // --- This allows the user to specify sectors for the SLOW (TPC geometry 2)
148 // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper)
149 // --- sectors are specified, any value other than that requires at least one
150 // --- sector (lower or upper)to be specified!
151 // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0)
152 // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0)
153 // --- SecLows - number of lower sectors specified (up to 6)
154 // --- SecUps - number of upper sectors specified (up to 12)
155 // --- Sens - sensitive strips for the Slow Simulator !!!
156 // --- This does NOT work if all S or L-sectors are specified, i.e.
157 // --- if SecAL or SecAU < 0
160 //-----------------------------------------------------------------------------
162 AliTPC *TPC = new AliTPCv1("TPC","Normal TPC");
163 AliTPCD *paramd = TPC->GetDigParam();
164 AliTPCParam *param = &(paramd->GetParam());
166 // Set geometrical parameters
168 param->SetSectorAngles(20.,10.,20.,10.);
169 param->SetInnerRadiusLow(83.9);
170 param->SetInnerRadiusUp(141.3);
171 param->SetOuterRadiusLow(146.9);
172 param->SetOuterRadiusUp(249.4);
173 param->SetInSecLowEdge(81.6);
174 param->SetInSecUpEdge(143.6);
175 param->SetOuSecLowEdge(144.2);
176 param->SetOuSecUpEdge(252.1);
178 param->SetDeadZone(1.15);
179 param->SetPadLength(2.0);
180 param->SetPadWidth(0.3);
181 param->SetPadPitchLength(2.05);
182 param->SetPadPitchWidth(0.35);
185 if (TPC->IsVersion() != 2) paramd->Write("Param1");
189 TPC->SetGasMixt(2,20,10,-1,0.9,0.1,0.);
192 // Meaningless with versions other than 2
193 TPC->SetSecLows(1, 2, 3, 1+18, 2+18, 3+18);
194 TPC->SetSecUps(1+36, 2+36, 3+36, 1+38+18, 2+38+18, 3+38+18, -1,-1,-1,-1,-1,-1);
199 //=================== TOF parameters ============================
200 AliTOF *TOF = new AliTOFv1("TOF","normal TOF");
204 //=================== RICH parameters ===========================
206 AliRICH *RICH = new AliRICHv0("RICH","normal RICH");
208 RICH->SetSMAXAR(0.03);
212 // Default Segmentation
213 AliRICHsegmentationV0* RsegV0 = new AliRICHsegmentationV0;
214 RsegV0->SetPADSIZ(.8, .8);
215 RsegV0->SetDAnod(0.8/3);
217 AliRICHresponseV0* Rresponse0 = new AliRICHresponseV0;
218 AliRICHresponseCkv* RresponseCkv = new AliRICHresponseCkv;
220 //------------------------Chambers 0-6 ----------------------------
221 for (Int_t i=0; i<7; i++) {
222 RICH->SetSegmentationModel(i, 1, RsegV0);
223 RICH->SetResponseModel(i, mip , Rresponse0);
224 RICH->SetResponseModel(i, cerenkov, RresponseCkv);
225 RICH->Chamber(i).SetRSIGM(5.);
226 RICH->Chamber(i).SetMUCHSP(43.);
227 RICH->Chamber(i).SetMUSIGM(0.18, 0.18);
228 RICH->Chamber(i).SetMAXADC( 1024);
229 RICH->Chamber(i).SetSqrtKx3(0.77459667);
230 RICH->Chamber(i).SetKx2(0.962);
231 RICH->Chamber(i).SetKx4(0.379);
232 RICH->Chamber(i).SetSqrtKy3(0.77459667);
233 RICH->Chamber(i).SetKy2(0.962);
234 RICH->Chamber(i).SetKy4(0.379);
235 RICH->Chamber(i).SetPitch(0.25);
241 //=================== ZDC parameters ============================
243 AliZDC *ZDC = new AliZDCv1("ZDC","normal ZDC");
247 //=================== CASTOR parameters ============================
249 AliCASTOR *CASTOR = new AliCASTORv1("CASTOR","normal CASTOR");
253 //=================== TRD parameters ============================
255 AliTRD *TRD = new AliTRDv1("TRD","TRD version 0");
256 // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2)
261 //=================== FMD parameters ============================
263 AliFMD *FMD = new AliFMDv1("FMD","normal FMD");
267 //=================== MUON parameters ===========================
269 AliMUON *MUON = new AliMUONv0("MUON","normal MUON");
271 MUON->SetMaxStepGas(0.1);
272 MUON->SetMaxStepAlu(0.1);
276 // First define the number of planes that are segmented (1 or 2) by a call
278 // Then chose for each chamber (chamber plane) the segmentation
279 // and response model.
280 // They should be equal for the two chambers of each station. In a future
281 // version this will be enforced.
287 AliMUONresponseV0* response0 = new AliMUONresponseV0;
288 response0->SetSqrtKx3(0.7131);
289 response0->SetKx2(1.0107);
290 response0->SetKx4(0.4036);
291 response0->SetSqrtKy3(0.7642);
292 response0->SetKy2(0.9706);
293 response0->SetKy4(0.3831);
294 response0->SetPitch(0.25);
295 response0->SetSigmaIntegration(10.);
296 response0->SetChargeSlope(50);
297 response0->SetChargeSpread(0.18, 0.18);
298 response0->SetMaxAdc(4096);
299 //--------------------------------------------------------
300 // Configuration for Chamber TC1/2 (Station 1) ----------
301 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
302 // Float_t rseg1[4]={17.5, 55.2, 71.3, 95.5};
303 Float_t rseg1[4]={15.5, 55.2, 71.3, 95.5};
304 Int_t nseg1[4]={4, 4, 2, 1};
308 MUON->SetNsec(chamber-1,2);
310 AliMUONsegmentationV01 *seg11=new AliMUONsegmentationV01;
312 seg11->SetSegRadii(rseg1);
313 seg11->SetPADSIZ(3, 0.5);
314 seg11->SetDAnod(3.0/3./4);
315 seg11->SetPadDivision(nseg1);
317 MUON->SetSegmentationModel(chamber-1, 1, seg11);
319 AliMUONsegmentationV02 *seg12=new AliMUONsegmentationV02;
320 seg12->SetSegRadii(rseg1);
321 seg12->SetPADSIZ(0.75, 2.0);
322 seg12->SetDAnod(3.0/3./4);
323 seg12->SetPadDivision(nseg1);
325 MUON->SetSegmentationModel(chamber-1, 2, seg12);
327 MUON->SetResponseModel(chamber-1, response0);
332 MUON->SetNsec(chamber-1,2);
334 AliMUONsegmentationV01 *seg21=new AliMUONsegmentationV01;
335 seg21->SetSegRadii(rseg1);
336 seg21->SetPADSIZ(3, 0.5);
337 seg21->SetDAnod(3.0/3./4);
338 seg21->SetPadDivision(nseg1);
339 MUON->SetSegmentationModel(chamber-1, 1, seg21);
341 AliMUONsegmentationV02 *seg22=new AliMUONsegmentationV02;
342 seg22->SetSegRadii(rseg1);
343 seg22->SetPADSIZ(0.75, 2.);
344 seg22->SetDAnod(3.0/3./4);
345 seg22->SetPadDivision(nseg1);
346 MUON->SetSegmentationModel(chamber-1, 2, seg22);
348 MUON->SetResponseModel(chamber-1, response0);
350 //--------------------------------------------------------
351 // Configuration for Chamber TC3/4 -----------------------
352 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
353 // Float_t rseg2[4]={23.5, 47.1, 87.7, 122.5};
354 Float_t rseg2[4]={21.5, 47.1, 87.7, 122.5};
355 Int_t nseg2[4]={4, 4, 2, 1};
359 MUON->SetNsec(chamber-1,2);
361 AliMUONsegmentationV01 *seg31=new AliMUONsegmentationV01;
362 seg31->SetSegRadii(rseg2);
363 seg31->SetPADSIZ(3, 0.5);
364 seg31->SetDAnod(3.0/3./4);
365 seg31->SetPadDivision(nseg2);
366 MUON->SetSegmentationModel(chamber-1, 1, seg31);
368 AliMUONsegmentationV02 *seg32=new AliMUONsegmentationV02;
369 seg32->SetSegRadii(rseg2);
370 seg32->SetPADSIZ(0.75, 2.);
371 seg32->SetPadDivision(nseg2);
372 seg32->SetDAnod(3.0/3./4);
374 MUON->SetSegmentationModel(chamber-1, 2, seg32);
376 MUON->SetResponseModel(chamber-1, response0);
381 MUON->SetNsec(chamber-1,2);
383 AliMUONsegmentationV01 *seg41=new AliMUONsegmentationV01;
384 seg41->SetSegRadii(rseg2);
385 seg41->SetPADSIZ(3, 0.5);
386 seg41->SetDAnod(3.0/3./4);
387 seg41->SetPadDivision(nseg2);
388 MUON->SetSegmentationModel(chamber-1, 1, seg41);
390 AliMUONsegmentationV02 *seg42=new AliMUONsegmentationV02;
391 seg42->SetSegRadii(rseg2);
392 seg42->SetPADSIZ(0.75, 2.);
393 seg42->SetPadDivision(nseg2);
394 seg42->SetDAnod(3.0/3./4);
396 MUON->SetSegmentationModel(chamber-1, 2, seg42);
398 MUON->SetResponseModel(chamber-1, response0);
401 //--------------------------------------------------------
402 // Configuration for Chamber TC5/6 -----------------------
403 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
405 seg5 = new AliMUONsegmentationV1;
406 AliMUONresponseV0* response5 = new AliMUONresponseV0;
408 response5->SetSqrtKx3(0.78740079);
409 response5->SetKx2(0.95237319); // 0.5 * kPI * (1- 0.5*sqrtky3 )
410 response5->SetKx4(0.37480633); // 0.25/TMath::ATan(sqrtkx3)
412 response5->SetSqrtKy3(0.74161985);
413 response5->SetKy2(0.98832946);
414 response5->SetKy4(0.39177817);
415 response5->SetPitch(0.325);
416 response5->SetSigmaIntegration(10.);
417 response5->SetChargeSlope(50);
418 response5->SetChargeSpread(0.4, 0.4);
419 response5->SetMaxAdc(4096);
422 MUON->SetNsec(chamber-1,1);
423 MUON->SetSegmentationModel(chamber-1, 1, seg5);
424 MUON->SetResponseModel(chamber-1, response5);
427 MUON->SetNsec(chamber-1,1);
428 MUON->SetSegmentationModel(chamber-1, 1, seg5);
429 MUON->SetResponseModel(chamber-1, response5);
433 MUON->SetPADSIZ(station, 1, 0.975, 0.55);
438 MUON->SetNsec(chamber-1,2);
440 AliMUONsegmentationV0 *seg51=new AliMUONsegmentationV0;
441 seg51->SetPADSIZ(0.75, 0.5);
442 seg51->SetDAnod(3.0/3./4);
443 MUON->SetSegmentationModel(chamber-1, 1, seg51);
445 AliMUONsegmentationV0 *seg52=new AliMUONsegmentationV0;
446 seg52->SetPADSIZ(0.5,0.75);
447 seg52->SetDAnod(3.0/3./4);
448 MUON->SetSegmentationModel(chamber-1, 2, seg52);
450 MUON->SetResponseModel(chamber-1, response0);
454 MUON->SetNsec(chamber-1,2);
456 AliMUONsegmentationV0 *seg61=new AliMUONsegmentationV0;
457 seg61->SetPADSIZ(0.75, 0.5);
458 seg61->SetDAnod(3.0/3./4);
459 MUON->SetSegmentationModel(chamber-1, 1, seg61);
461 AliMUONsegmentationV0 *seg62=new AliMUONsegmentationV0;
462 seg62->SetPADSIZ(0.5,0.75);
463 seg62->SetDAnod(3.0/3./4);
464 MUON->SetSegmentationModel(chamber-1, 2, seg62);
466 MUON->SetResponseModel(chamber-1, response0);
468 //--------------------------------------------------------
469 // Configuration for Chamber TC7/8 (Station 4) ----------
470 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
472 Int_t nseg4[4]={4, 4, 2, 1};
476 MUON->SetNsec(chamber-1,2);
478 AliMUONsegmentationV04 *seg71=new AliMUONsegmentationV04;
479 seg71->SetPADSIZ(10.,0.5);
480 seg71->SetDAnod(0.25);
481 seg71->SetPadDivision(nseg4);
482 MUON->SetSegmentationModel(chamber-1, 1, seg71);
484 AliMUONsegmentationV05 *seg72=new AliMUONsegmentationV05;
485 seg72->SetPADSIZ(1,10);
486 seg72->SetDAnod(0.25);
487 seg72->SetPadDivision(nseg4);
488 MUON->SetSegmentationModel(chamber-1, 2, seg72);
490 MUON->SetResponseModel(chamber-1, response0);
494 MUON->SetNsec(chamber-1,2);
495 AliMUONsegmentationV04 *seg81=new AliMUONsegmentationV04;
496 seg81->SetPADSIZ(10., 0.5);
497 seg81->SetPadDivision(nseg4);
498 seg81->SetDAnod(0.25);
499 MUON->SetSegmentationModel(chamber-1, 1, seg81);
501 AliMUONsegmentationV05 *seg82=new AliMUONsegmentationV05;
502 seg82->SetPADSIZ(1, 10);
503 seg82->SetPadDivision(nseg4);
504 seg82->SetDAnod(0.25);
505 MUON->SetSegmentationModel(chamber-1, 2, seg82);
507 MUON->SetResponseModel(chamber-1, response0);
508 //--------------------------------------------------------
509 // Configuration for Chamber TC9/10 (Station 5) ---------
510 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
513 MUON->SetNsec(chamber-1,2);
515 AliMUONsegmentationV04 *seg91=new AliMUONsegmentationV04;
516 seg91->SetPADSIZ(10.,0.5);
517 seg91->SetDAnod(0.25);
518 seg91->SetPadDivision(nseg4);
519 MUON->SetSegmentationModel(chamber-1, 1, seg91);
521 AliMUONsegmentationV05 *seg92=new AliMUONsegmentationV05;
522 seg92->SetPADSIZ(1,10);
523 seg92->SetDAnod(0.25);
524 seg92->SetPadDivision(nseg4);
526 MUON->SetSegmentationModel(chamber-1, 2, seg92);
528 MUON->SetResponseModel(chamber-1, response0);
532 MUON->SetNsec(chamber-1,2);
533 AliMUONsegmentationV04 *seg101=new AliMUONsegmentationV04;
534 seg101->SetPADSIZ(10., 0.5);
535 seg101->SetPadDivision(nseg4);
536 seg101->SetDAnod(0.25);
537 MUON->SetSegmentationModel(chamber-1, 1, seg101);
539 AliMUONsegmentationV05 *seg102=new AliMUONsegmentationV05;
540 seg102->SetPADSIZ(1,10);
541 seg102->SetPadDivision(nseg4);
542 seg102->SetDAnod(0.25);
543 MUON->SetSegmentationModel(chamber-1, 2, seg102);
545 MUON->SetResponseModel(chamber-1, response0);
546 //--------------------------------------------------------
547 // Configuration for Trigger staions ---------------------
548 // (not yet used/implemented) ----------------------------
549 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
552 MUON->SetNsec(chamber-1,1);
553 AliMUONsegmentationV0 *seg1112=new AliMUONsegmentationV0;
554 seg1112->SetDAnod(0.51/3.);
556 MUON->SetSegmentationModel(chamber-1, 1, seg1112);
557 MUON->SetResponseModel(chamber-1, response0);
560 MUON->SetNsec(chamber-1,1);
561 MUON->SetSegmentationModel(chamber-1, 1, seg1112);
562 MUON->SetResponseModel(chamber-1, response0);
566 MUON->SetPADSIZ(station, 1, 0.75, 0.5);
569 MUON->SetNsec(chamber-1,1);
570 AliMUONsegmentationV0 *seg1314=new AliMUONsegmentationV0;
571 seg1314->SetDAnod(0.51/3.);
573 MUON->SetSegmentationModel(chamber-1, 1, seg1314);
574 MUON->SetResponseModel(chamber-1, response0);
577 MUON->SetNsec(chamber-1,1);
578 MUON->SetSegmentationModel(chamber-1, 1, seg1314);
579 MUON->SetResponseModel(chamber-1, response0);
583 MUON->SetPADSIZ(station, 1, 0.75, 0.5);
586 //=================== PHOS parameters ===========================
589 AliPHOS *PHOS = new AliPHOSv0("PHOS","GPS2");
594 //=================== PMD parameters ============================
596 AliPMD *PMD = new AliPMDv0("PMD","normal PMD");
597 PMD->SetPAR(1., 1., 0.8, 0.02);
598 PMD->SetIN(6., 18., -580., 27., 27.);
599 PMD->SetGEO(0.0, 0.2, 4.);
600 PMD->SetPadSize(0.8, 1.0, 1.0, 1.5);
605 //=================== START parameters ============================
606 AliSTART *START = new AliSTARTv0("START","START Detector");