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 ===========================
188 AliRICH *RICH = new AliRICHv0("RICH","normal RICH");
190 RICH->SetSMAXAR(0.03);
194 // Default Segmentation
195 AliRICHsegmentationV0* RsegV0 = new AliRICHsegmentationV0;
196 RsegV0->SetPADSIZ(.8, .8);
197 RsegV0->SetDAnod(0.8/3);
199 AliRICHresponseV0* Rresponse0 = new AliRICHresponseV0;
200 AliRICHresponseCkv* RresponseCkv = new AliRICHresponseCkv;
202 //------------------------Chambers 0-6 ----------------------------
203 for (Int_t i=0; i<7; i++) {
204 RICH->SetSegmentationModel(i, 1, RsegV0);
205 RICH->SetResponseModel(i, mip , Rresponse0);
206 RICH->SetResponseModel(i, cerenkov, RresponseCkv);
207 RICH->Chamber(i).SetRSIGM(5.);
208 RICH->Chamber(i).SetMUCHSP(43.);
209 RICH->Chamber(i).SetMUSIGM(0.18, 0.18);
210 RICH->Chamber(i).SetMAXADC( 1024);
211 RICH->Chamber(i).SetSqrtKx3(0.77459667);
212 RICH->Chamber(i).SetKx2(0.962);
213 RICH->Chamber(i).SetKx4(0.379);
214 RICH->Chamber(i).SetSqrtKy3(0.77459667);
215 RICH->Chamber(i).SetKy2(0.962);
216 RICH->Chamber(i).SetKy4(0.379);
217 RICH->Chamber(i).SetPitch(0.25);
223 //=================== ZDC parameters ============================
225 AliZDC *ZDC = new AliZDCv1("ZDC","normal ZDC");
229 //=================== CASTOR parameters ============================
231 AliCASTOR *CASTOR = new AliCASTORv1("CASTOR","normal CASTOR");
235 //=================== TRD parameters ============================
237 AliTRD *TRD = new AliTRDv1("TRD","TRD version 0");
238 // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2)
243 //=================== FMD parameters ============================
245 AliFMD *FMD = new AliFMDv1("FMD","normal FMD");
249 //=================== MUON parameters ===========================
251 AliMUON *MUON = new AliMUONv0("MUON","normal MUON");
253 MUON->SetMaxStepGas(0.1);
254 MUON->SetMaxStepAlu(0.1);
258 // First define the number of planes that are segmented (1 or 2) by a call
260 // Then chose for each chamber (chamber plane) the segmentation
261 // and response model.
262 // They should be equal for the two chambers of each station. In a future
263 // version this will be enforced.
269 AliMUONresponseV0* response0 = new AliMUONresponseV0;
270 response0->SetSqrtKx3(0.7131);
271 response0->SetKx2(1.0107);
272 response0->SetKx4(0.4036);
273 response0->SetSqrtKy3(0.7642);
274 response0->SetKy2(0.9706);
275 response0->SetKy4(0.3831);
276 response0->SetPitch(0.25);
277 response0->SetSigmaIntegration(10.);
278 response0->SetChargeSlope(50);
279 response0->SetChargeSpread(0.18, 0.18);
280 response0->SetMaxAdc(4096);
281 //--------------------------------------------------------
282 // Configuration for Chamber TC1/2 (Station 1) ----------
283 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
284 // Float_t rseg1[4]={17.5, 55.2, 71.3, 95.5};
285 Float_t rseg1[4]={15.5, 55.2, 71.3, 95.5};
286 Int_t nseg1[4]={4, 4, 2, 1};
290 MUON->SetNsec(chamber-1,2);
292 AliMUONsegmentationV01 *seg11=new AliMUONsegmentationV01;
294 seg11->SetSegRadii(rseg1);
295 seg11->SetPADSIZ(3, 0.5);
296 seg11->SetDAnod(3.0/3./4);
297 seg11->SetPadDivision(nseg1);
299 MUON->SetSegmentationModel(chamber-1, 1, seg11);
301 AliMUONsegmentationV02 *seg12=new AliMUONsegmentationV02;
302 seg12->SetSegRadii(rseg1);
303 seg12->SetPADSIZ(0.75, 2.0);
304 seg12->SetDAnod(3.0/3./4);
305 seg12->SetPadDivision(nseg1);
307 MUON->SetSegmentationModel(chamber-1, 2, seg12);
309 MUON->SetResponseModel(chamber-1, response0);
314 MUON->SetNsec(chamber-1,2);
316 AliMUONsegmentationV01 *seg21=new AliMUONsegmentationV01;
317 seg21->SetSegRadii(rseg1);
318 seg21->SetPADSIZ(3, 0.5);
319 seg21->SetDAnod(3.0/3./4);
320 seg21->SetPadDivision(nseg1);
321 MUON->SetSegmentationModel(chamber-1, 1, seg21);
323 AliMUONsegmentationV02 *seg22=new AliMUONsegmentationV02;
324 seg22->SetSegRadii(rseg1);
325 seg22->SetPADSIZ(0.75, 2.);
326 seg22->SetDAnod(3.0/3./4);
327 seg22->SetPadDivision(nseg1);
328 MUON->SetSegmentationModel(chamber-1, 2, seg22);
330 MUON->SetResponseModel(chamber-1, response0);
332 //--------------------------------------------------------
333 // Configuration for Chamber TC3/4 -----------------------
334 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
335 // Float_t rseg2[4]={23.5, 47.1, 87.7, 122.5};
336 Float_t rseg2[4]={21.5, 47.1, 87.7, 122.5};
337 Int_t nseg2[4]={4, 4, 2, 1};
341 MUON->SetNsec(chamber-1,2);
343 AliMUONsegmentationV01 *seg31=new AliMUONsegmentationV01;
344 seg31->SetSegRadii(rseg2);
345 seg31->SetPADSIZ(3, 0.5);
346 seg31->SetDAnod(3.0/3./4);
347 seg31->SetPadDivision(nseg2);
348 MUON->SetSegmentationModel(chamber-1, 1, seg31);
350 AliMUONsegmentationV02 *seg32=new AliMUONsegmentationV02;
351 seg32->SetSegRadii(rseg2);
352 seg32->SetPADSIZ(0.75, 2.);
353 seg32->SetPadDivision(nseg2);
354 seg32->SetDAnod(3.0/3./4);
356 MUON->SetSegmentationModel(chamber-1, 2, seg32);
358 MUON->SetResponseModel(chamber-1, response0);
363 MUON->SetNsec(chamber-1,2);
365 AliMUONsegmentationV01 *seg41=new AliMUONsegmentationV01;
366 seg41->SetSegRadii(rseg2);
367 seg41->SetPADSIZ(3, 0.5);
368 seg41->SetDAnod(3.0/3./4);
369 seg41->SetPadDivision(nseg2);
370 MUON->SetSegmentationModel(chamber-1, 1, seg41);
372 AliMUONsegmentationV02 *seg42=new AliMUONsegmentationV02;
373 seg42->SetSegRadii(rseg2);
374 seg42->SetPADSIZ(0.75, 2.);
375 seg42->SetPadDivision(nseg2);
376 seg42->SetDAnod(3.0/3./4);
378 MUON->SetSegmentationModel(chamber-1, 2, seg42);
380 MUON->SetResponseModel(chamber-1, response0);
383 //--------------------------------------------------------
384 // Configuration for Chamber TC5/6 -----------------------
385 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
387 seg5 = new AliMUONsegmentationV1;
388 AliMUONresponseV0* response5 = new AliMUONresponseV0;
390 response5->SetSqrtKx3(0.78740079);
391 response5->SetKx2(0.95237319); // 0.5 * kPI * (1- 0.5*sqrtky3 )
392 response5->SetKx4(0.37480633); // 0.25/TMath::ATan(sqrtkx3)
394 response5->SetSqrtKy3(0.74161985);
395 response5->SetKy2(0.98832946);
396 response5->SetKy4(0.39177817);
397 response5->SetPitch(0.325);
398 response5->SetSigmaIntegration(10.);
399 response5->SetChargeSlope(50);
400 response5->SetChargeSpread(0.4, 0.4);
401 response5->SetMaxAdc(4096);
404 MUON->SetNsec(chamber-1,1);
405 MUON->SetSegmentationModel(chamber-1, 1, seg5);
406 MUON->SetResponseModel(chamber-1, response5);
409 MUON->SetNsec(chamber-1,1);
410 MUON->SetSegmentationModel(chamber-1, 1, seg5);
411 MUON->SetResponseModel(chamber-1, response5);
415 MUON->SetPADSIZ(station, 1, 0.975, 0.55);
420 MUON->SetNsec(chamber-1,2);
422 AliMUONsegmentationV0 *seg51=new AliMUONsegmentationV0;
423 seg51->SetPADSIZ(0.75, 0.5);
424 seg51->SetDAnod(3.0/3./4);
425 MUON->SetSegmentationModel(chamber-1, 1, seg51);
427 AliMUONsegmentationV0 *seg52=new AliMUONsegmentationV0;
428 seg52->SetPADSIZ(0.5,0.75);
429 seg52->SetDAnod(3.0/3./4);
430 MUON->SetSegmentationModel(chamber-1, 2, seg52);
432 MUON->SetResponseModel(chamber-1, response0);
436 MUON->SetNsec(chamber-1,2);
438 AliMUONsegmentationV0 *seg61=new AliMUONsegmentationV0;
439 seg61->SetPADSIZ(0.75, 0.5);
440 seg61->SetDAnod(3.0/3./4);
441 MUON->SetSegmentationModel(chamber-1, 1, seg61);
443 AliMUONsegmentationV0 *seg62=new AliMUONsegmentationV0;
444 seg62->SetPADSIZ(0.5,0.75);
445 seg62->SetDAnod(3.0/3./4);
446 MUON->SetSegmentationModel(chamber-1, 2, seg62);
448 MUON->SetResponseModel(chamber-1, response0);
450 //--------------------------------------------------------
451 // Configuration for Chamber TC7/8 (Station 4) ----------
452 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
454 Int_t nseg4[4]={4, 4, 2, 1};
458 MUON->SetNsec(chamber-1,2);
460 AliMUONsegmentationV04 *seg71=new AliMUONsegmentationV04;
461 seg71->SetPADSIZ(10.,0.5);
462 seg71->SetDAnod(0.25);
463 seg71->SetPadDivision(nseg4);
464 MUON->SetSegmentationModel(chamber-1, 1, seg71);
466 AliMUONsegmentationV05 *seg72=new AliMUONsegmentationV05;
467 seg72->SetPADSIZ(1,10);
468 seg72->SetDAnod(0.25);
469 seg72->SetPadDivision(nseg4);
470 MUON->SetSegmentationModel(chamber-1, 2, seg72);
472 MUON->SetResponseModel(chamber-1, response0);
476 MUON->SetNsec(chamber-1,2);
477 AliMUONsegmentationV04 *seg81=new AliMUONsegmentationV04;
478 seg81->SetPADSIZ(10., 0.5);
479 seg81->SetPadDivision(nseg4);
480 seg81->SetDAnod(0.25);
481 MUON->SetSegmentationModel(chamber-1, 1, seg81);
483 AliMUONsegmentationV05 *seg82=new AliMUONsegmentationV05;
484 seg82->SetPADSIZ(1, 10);
485 seg82->SetPadDivision(nseg4);
486 seg82->SetDAnod(0.25);
487 MUON->SetSegmentationModel(chamber-1, 2, seg82);
489 MUON->SetResponseModel(chamber-1, response0);
490 //--------------------------------------------------------
491 // Configuration for Chamber TC9/10 (Station 5) ---------
492 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
495 MUON->SetNsec(chamber-1,2);
497 AliMUONsegmentationV04 *seg91=new AliMUONsegmentationV04;
498 seg91->SetPADSIZ(10.,0.5);
499 seg91->SetDAnod(0.25);
500 seg91->SetPadDivision(nseg4);
501 MUON->SetSegmentationModel(chamber-1, 1, seg91);
503 AliMUONsegmentationV05 *seg92=new AliMUONsegmentationV05;
504 seg92->SetPADSIZ(1,10);
505 seg92->SetDAnod(0.25);
506 seg92->SetPadDivision(nseg4);
508 MUON->SetSegmentationModel(chamber-1, 2, seg92);
510 MUON->SetResponseModel(chamber-1, response0);
514 MUON->SetNsec(chamber-1,2);
515 AliMUONsegmentationV04 *seg101=new AliMUONsegmentationV04;
516 seg101->SetPADSIZ(10., 0.5);
517 seg101->SetPadDivision(nseg4);
518 seg101->SetDAnod(0.25);
519 MUON->SetSegmentationModel(chamber-1, 1, seg101);
521 AliMUONsegmentationV05 *seg102=new AliMUONsegmentationV05;
522 seg102->SetPADSIZ(1,10);
523 seg102->SetPadDivision(nseg4);
524 seg102->SetDAnod(0.25);
525 MUON->SetSegmentationModel(chamber-1, 2, seg102);
527 MUON->SetResponseModel(chamber-1, response0);
528 //--------------------------------------------------------
529 // Configuration for Trigger staions ---------------------
530 // (not yet used/implemented) ----------------------------
531 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
534 MUON->SetNsec(chamber-1,1);
535 AliMUONsegmentationV0 *seg1112=new AliMUONsegmentationV0;
536 seg1112->SetDAnod(0.51/3.);
538 MUON->SetSegmentationModel(chamber-1, 1, seg1112);
539 MUON->SetResponseModel(chamber-1, response0);
542 MUON->SetNsec(chamber-1,1);
543 MUON->SetSegmentationModel(chamber-1, 1, seg1112);
544 MUON->SetResponseModel(chamber-1, response0);
548 MUON->SetPADSIZ(station, 1, 0.75, 0.5);
551 MUON->SetNsec(chamber-1,1);
552 AliMUONsegmentationV0 *seg1314=new AliMUONsegmentationV0;
553 seg1314->SetDAnod(0.51/3.);
555 MUON->SetSegmentationModel(chamber-1, 1, seg1314);
556 MUON->SetResponseModel(chamber-1, response0);
559 MUON->SetNsec(chamber-1,1);
560 MUON->SetSegmentationModel(chamber-1, 1, seg1314);
561 MUON->SetResponseModel(chamber-1, response0);
565 MUON->SetPADSIZ(station, 1, 0.75, 0.5);
568 //=================== PHOS parameters ===========================
571 AliPHOS *PHOS = new AliPHOSv0("PHOS","GPS2");
576 //=================== PMD parameters ============================
578 AliPMD *PMD = new AliPMDv0("PMD","normal PMD");
579 PMD->SetPAR(1., 1., 0.8, 0.02);
580 PMD->SetIN(6., 18., -580., 27., 27.);
581 PMD->SetGEO(0.0, 0.2, 4.);
582 PMD->SetPadSize(0.8, 1.0, 1.0, 1.5);
587 //=================== START parameters ============================
588 AliSTART *START = new AliSTARTv0("START","START Detector");