4 new TGeant3("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
45 AliGenHIJINGpara *gener = new AliGenHIJINGpara(50);
46 gener->SetMomentumRange(0,999);
47 gener->SetPhiRange(0,360);
48 gener->SetThetaRange(10,170);
49 gener->SetOrigin(0,0,0); //vertex position
50 gener->SetSigma(0,0,0); //Sigma in (X,Y,Z) (cm) on IP position
53 // Activate this line if you want the vertex smearing to happen
56 //gener->SetVertexSmear(perTrack);
58 gAlice->SetField(-999,2); //Specify maximum magnetic field in Tesla (neg. ==> default field)
79 //=================== Alice BODY parameters =============================
80 AliBODY *BODY = new AliBODY("BODY","Alice envelop");
84 //=================== MAG parameters ============================
85 // --- Start with Magnet since detector layouts may be depending ---
86 // --- on the selected Magnet dimensions ---
87 AliMAG *MAG = new AliMAG("MAG","Magnet");
92 //=================== ABSO parameters ============================
93 AliABSO *ABSO = new AliABSO("ABSO","Muon Absorber");
97 //=================== DIPO parameters ============================
99 AliDIPO *DIPO = new AliDIPOv2("DIPO","Dipole version 2");
103 //=================== HALL parameters ============================
105 AliHALL *HALL = new AliHALL("HALL","Alice Hall");
110 //=================== FRAME parameters ============================
112 AliFRAME *FRAME = new AliFRAMEv0("FRAME","Space Frame");
116 //=================== SHIL parameters ============================
118 AliSHIL *SHIL = new AliSHIL("SHIL","Shielding");
123 //=================== PIPE parameters ============================
125 AliPIPE *PIPE = new AliPIPEv0("PIPE","Beam Pipe");
130 //=================== ITS parameters ============================
132 // EUCLID is a flag to output (=1) both geometry and media to two ASCII files
133 // (called by default ITSgeometry.euc and ITSgeometry.tme) in a format
134 // understandable to the CAD system EUCLID. The default (=0) means that you
135 // dont want to use this facility.
137 AliITS *ITS = new AliITSv3("ITS","normal ITS");
142 //============================ TPC parameters ================================
143 // --- This allows the user to specify sectors for the SLOW (TPC geometry 2)
144 // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper)
145 // --- sectors are specified, any value other than that requires at least one
146 // --- sector (lower or upper)to be specified!
147 // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0)
148 // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0)
149 // --- SecLows - number of lower sectors specified (up to 6)
150 // --- SecUps - number of upper sectors specified (up to 12)
151 // --- Sens - sensitive strips for the Slow Simulator !!!
152 // --- This does NOT work if all S or L-sectors are specified, i.e.
153 // --- if SecAL or SecAU < 0
156 //-----------------------------------------------------------------------------
158 AliTPC *TPC = new AliTPCv1("TPC","Normal TPC");
159 AliTPCD *paramd = TPC->GetDigParam();
160 AliTPCParam *param = &(paramd->GetParam());
162 // Set geometrical parameters
164 param->SetSectorAngles(40.,0.,20.,10.);
165 param->SetInnerRadiusLow(83.7);
166 param->SetInnerRadiusUp(132.9);
167 param->SetOuterRadiusLow(146.9);
168 param->SetOuterRadiusUp(249.4);
169 param->SetInSecLowEdge(81.6);
170 param->SetInSecUpEdge(135.);
171 param->SetOuSecLowEdge(144.2);
172 param->SetOuSecUpEdge(252.1);
174 param->SetDeadZone(1.15);
179 TPC->SetGasMixt(2,20,10,-1,0.9,0.1,0.);
182 TPC->SetSecLows(0, -1, -1, -1, -1, -1);
183 TPC->SetSecUps(18, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1);
188 //=================== TOF parameters ============================
189 AliTOF *TOF = new AliTOFv2("TOF","normal TOF");
193 //=================== RICH parameters ===========================
195 AliRICH *RICH = new AliRICHv0("RICH","normal RICH");
197 RICH->SetSMAXAR(0.03);
201 // Default Segmentation
202 AliRICHsegmentationV0* RsegV0 = new AliRICHsegmentationV0;
203 RsegV0->SetPADSIZ(.8, .8);
204 RsegV0->SetDAnod(0.8/3);
206 AliRICHresponseV0* Rresponse0 = new AliRICHresponseV0;
207 AliRICHresponseCkv* RresponseCkv = new AliRICHresponseCkv;
209 //------------------------Chambers 0-6 ----------------------------
210 for (Int_t i=0; i<7; i++) {
211 RICH->SetSegmentationModel(i, 1, RsegV0);
212 RICH->SetResponseModel(i, mip , Rresponse0);
213 RICH->SetResponseModel(i, cerenkov, RresponseCkv);
214 RICH->Chamber(i).SetRSIGM(5.);
215 RICH->Chamber(i).SetMUCHSP(43.);
216 RICH->Chamber(i).SetMUSIGM(0.18, 0.18);
217 RICH->Chamber(i).SetMAXADC( 1024);
218 RICH->Chamber(i).SetSqrtKx3(0.77459667);
219 RICH->Chamber(i).SetKx2(0.962);
220 RICH->Chamber(i).SetKx4(0.379);
221 RICH->Chamber(i).SetSqrtKy3(0.77459667);
222 RICH->Chamber(i).SetKy2(0.962);
223 RICH->Chamber(i).SetKy4(0.379);
224 RICH->Chamber(i).SetPitch(0.25);
230 //=================== ZDC parameters ============================
232 AliZDC *ZDC = new AliZDCv1("ZDC","normal ZDC");
236 //=================== CASTOR parameters ============================
238 AliCASTOR *CASTOR = new AliCASTORv1("CASTOR","normal CASTOR");
242 //=================== TRD parameters ============================
244 AliTRD *TRD = new AliTRDv0("TRD","TRD version 0");
245 // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2)
251 //=================== FMD parameters ============================
253 AliFMD *FMD = new AliFMDv1("FMD","normal FMD");
257 //=================== MUON parameters ===========================
259 AliMUON *MUON = new AliMUONv0("MUON","normal MUON");
261 MUON->SetSMAXAR(0.03);
266 // First define the number of planes that are segmented (1 or 2) by a call
268 // Then chose for each chamber (chamber plane) the segmentation
269 // and response model.
270 // They should be equal for the two chambers of each station. In a future
271 // version this will be enforced.
276 // Default Segmentation
277 AliMUONsegmentationV0* segV0 = new AliMUONsegmentationV0;
279 AliMUONresponseV0* response0 = new AliMUONresponseV0;
280 response0->SetSqrtKx3(0.761577);
281 response0->SetKx2(0.972655);
282 response0->SetKx4(0.3841);
283 response0->SetSqrtKy3(0.714143);
284 response0->SetKy2(1.0099);
285 response0->SetKy4(0.403);
286 response0->SetPitch(0.25);
287 response0->SetRSIGM(10.);
288 response0->SetMUCHSP(5.);
289 response0->SetMUSIGM(0.18, 0.18);
290 response0->SetMAXADC( 1024);
291 //--------------------------------------------------------
292 // Configuration for Chamber TC1/2 (Station 1) ----------
293 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
294 Float_t rseg[4]={17.5, 55.2, 71.3, 95.5};
295 Int_t nseg[4]={4, 4, 2, 1};
299 MUON->SetNsec(chamber-1,2);
301 AliMUONsegmentationV01 *seg11=new AliMUONsegmentationV01;
302 seg11->SetSegRadii(rseg);
303 seg11->SetPADSIZ(3.048, 0.508);
304 seg11->SetPadDivision(nseg);
305 MUON->SetSegmentationModel(chamber-1, 1, seg11);
307 AliMUONsegmentationV01 *seg12=new AliMUONsegmentationV01;
308 seg12->SetSegRadii(rseg);
309 seg12->SetPADSIZ(2.032, 0.762);
310 seg12->SetPadDivision(nseg);
312 MUON->SetSegmentationModel(chamber-1, 2, seg12);
316 MUON->SetNsec(chamber-1,2);
317 MUON->SetSegmentationModel(chamber-1, 1, seg11);
318 MUON->SetSegmentationModel(chamber-1, 2, seg12);
322 MUON->SetResponseModel(0, response0);
323 MUON->SetResponseModel(1, response0);
325 //--------------------------------------------------------
326 // Configuration for Chamber TC3/4 -----------------------
327 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
330 MUON->SetNsec(chamber-1,1);
331 AliMUONsegmentationV0 *seg34=new AliMUONsegmentationV0;
332 seg34->SetDAnod(0.51/3.);
334 MUON->SetSegmentationModel(chamber-1, 1, seg34);
335 MUON->SetResponseModel(chamber-1, response0);
338 MUON->SetNsec(chamber-1,1);
339 MUON->SetSegmentationModel(chamber-1, 1, seg34);
340 MUON->SetResponseModel(chamber-1, response0);
344 MUON->SetPADSIZ(station, 1, 0.75, 0.51);
345 MUON->SetMUCHSP(station, 5.);
346 MUON->SetMUSIGM(station, 0.18, 0.18);
347 MUON->SetRSIGM(station, 10.);
348 MUON->SetMAXADC(station, 1024);
351 //--------------------------------------------------------
352 // Configuration for Chamber TC5/6 -----------------------
353 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
355 seg5 = new AliMUONsegmentationV1;
356 AliMUONresponseV0* response5 = new AliMUONresponseV0;
358 response5->SetSqrtKx3(0.78740079);
359 response5->SetKx2(0.95237319); // 0.5 * kPI * (1- 0.5*sqrtky3 )
360 response5->SetKx4(0.37480633); // 0.25/TMath::ATan(sqrtkx3)
362 response5->SetSqrtKy3(0.74161985);
363 response5->SetKy2(0.98832946);
364 response5->SetKy4(0.39177817);
365 response5->SetPitch(0.325);
366 response5->SetRSIGM(10.);
367 response5->SetMUCHSP(5.);
368 response5->SetMUSIGM( 0.4, 0.4);
369 response5->SetMAXADC( 1024);
372 MUON->SetNsec(chamber-1,1);
373 MUON->SetSegmentationModel(chamber-1, 1, seg5);
374 MUON->SetResponseModel(chamber-1, response5);
377 MUON->SetNsec(chamber-1,1);
378 MUON->SetSegmentationModel(chamber-1, 1, seg5);
379 MUON->SetResponseModel(chamber-1, response5);
383 MUON->SetPADSIZ(station, 1, 0.975, 0.55);
386 //--------------------------------------------------------
387 // Configuration for Chamber TC7/8/9/10-------------------
388 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
391 MUON->SetNsec(chamber-1,1);
392 AliMUONsegmentationV0 *seg78=new AliMUONsegmentationV0;
393 seg78->SetDAnod(0.51/3.);
395 MUON->SetSegmentationModel(chamber-1, 1, seg78);
396 MUON->SetResponseModel(chamber-1, response0);
399 MUON->SetNsec(chamber-1,1);
400 MUON->SetSegmentationModel(chamber-1, 1, seg78);
401 MUON->SetResponseModel(chamber-1, response0);
405 MUON->SetPADSIZ(station, 1, 0.75, 0.5);
408 MUON->SetNsec(chamber-1,1);
409 AliMUONsegmentationV0 *seg910=new AliMUONsegmentationV0;
410 seg910->SetDAnod(0.51/3.);
412 MUON->SetSegmentationModel(chamber-1, 1, seg910);
413 MUON->SetResponseModel(chamber-1, response0);
416 MUON->SetNsec(chamber-1,1);
417 MUON->SetSegmentationModel(chamber-1, 1, seg910);
418 MUON->SetResponseModel(chamber-1, response0);
422 MUON->SetPADSIZ(station, 1, 0.75, 0.5);
425 MUON->SetNsec(chamber-1,1);
426 AliMUONsegmentationV0 *seg1112=new AliMUONsegmentationV0;
427 seg1112->SetDAnod(0.51/3.);
429 MUON->SetSegmentationModel(chamber-1, 1, seg1112);
430 MUON->SetResponseModel(chamber-1, response0);
433 MUON->SetNsec(chamber-1,1);
434 MUON->SetSegmentationModel(chamber-1, 1, seg1112);
435 MUON->SetResponseModel(chamber-1, response0);
439 MUON->SetPADSIZ(station, 1, 0.75, 0.5);
442 MUON->SetNsec(chamber-1,1);
443 AliMUONsegmentationV0 *seg1314=new AliMUONsegmentationV0;
444 seg1314->SetDAnod(0.51/3.);
446 MUON->SetSegmentationModel(chamber-1, 1, seg1314);
447 MUON->SetResponseModel(chamber-1, response0);
450 MUON->SetNsec(chamber-1,1);
451 MUON->SetSegmentationModel(chamber-1, 1, seg1314);
452 MUON->SetResponseModel(chamber-1, response0);
456 MUON->SetPADSIZ(station, 1, 0.75, 0.5);
460 //=================== PHOS parameters ===========================
462 AliPHOS *PHOS = new AliPHOSv1("PHOS","normal PHOS");
463 // * PHOSflags: YES: X<>0 NO: X=0
464 // * PHOSflags(1) : -----X Create branch for TObjArray of AliPHOSCradle
465 // * ----X- Create file (ftn03 on HP-UX) with list of SHAKER particles (7Mb/event)
467 PHOS->SetFlags(000001);
468 PHOS->SetRadius(460); //Distance from beam to PHOS crystals.
469 // (crystal_side_size,crystal_length,wrap_thikness,air_thikness,PIN_size,PIN length)
470 PHOS->SetCell(2.2, 18., 0.01, 0.01, 1., 0.1);
471 PHOS->SetCradleSize(104, 88, 4); // Nz (along beam), Nphi, Ncradles
472 PHOS->SetCradleA(0); //Angle between Cradles
473 PHOS->SetCPV(1., 2.); //CPV thikness, CPV-PHOS distance
475 // * PHOS extra parameters (contact Maxim Volkov volkov@mail.cern.ch)
476 // * 1. STE_THICK Steel cover thickness
477 // * 2. SUP_Y Crystal support height
478 // * 3. FTIU_THICK Thermo Insulating outer cover Upper plate thickness
479 // * 4. UFP_Y Upper Polystyrene Foam plate thickness
480 // * 5. TCB_THICK Thermo insulating Crystal Block wall thickness
481 // * 6. UCP_Y Upper Cooling Plate thickness
482 // * 7. ASP_Y Al Support Plate thickness
483 // * 8. TIP_Y Lower Thermo Insulating Plate thickness
484 // * 9. TXP_Y Lower Textolit Plate thickness
485 PHOS->SetExtra(0.001, 6.95, 4., 5., 2., 0.06, 10., 3., 1.);
486 PHOS->SetTextolitWall(209., 71., 250.); //Textolit Wall box dimentions
487 PHOS->SetInnerAir(206., 66., 244.); //Inner AIR volume dimensions
488 // * ===============================
489 // * 1. FTI_X Foam Thermo Insulating outer cover dimensions
492 // * 4. FTI_R Distance from IP to Foam Thermo Insulating top plate
493 PHOS->SetFoam(214.6, 80., 260., 467.);
494 // =================================
495 // *******************************************************************************
496 // * KINE 700 - SHAKER generator
497 // * KINE 700 x y z NDNDY YLIM PTLIM ChargeFlag
500 // * JPIC=JPRO=JKAC=JKA0=JRHO=JOME=JPHI=JPSI=JDRY=ChargeFlag
501 // * Int_t JWEI; // Unweighted generation
502 // * Int_t NDNDY; // Density of charged particles
503 // * Float_t YLIM; // Rapidity Limit
504 // * Float_t PTLIM; // Pt limit in GeV/c
505 // * Int_t JWEAK; // Disable weak decays
506 // * Int_t JPI0; // pi0 generation
507 // * Int_t JETA; // eta generation
508 // * Int_t JPIC; // pi+/- generation
509 // * Int_t JPRO; // proton generation
510 // * Int_t JKAC; // K+/- generation
511 // * Int_t JKA0; // K0 generation
512 // * Int_t JRHO; // rho generation
513 // * Int_t JOME; // omega generation
514 // * Int_t JPHI; // phi generation
515 // * Int_t JPSI; // J/psi generation
516 // * Int_t JDRY; // Drell-Yan generation
517 // * KINE 700 5. 175. 0. 800. 1.5 5. 1.
518 // *******************************************************************************
522 //=================== PMD parameters ============================
524 AliPMD *PMD = new AliPMDv0("PMD","normal PMD");
525 PMD->SetPAR(1., 1., 0.8, 0.02);
526 PMD->SetIN(6., 18., -580., 27., 27.);
527 PMD->SetGEO(0.0, 0.2, 4.);
528 PMD->SetPadSize(0.8, 1.0, 1.0, 1.5);