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");
161 TPC->SetSecLows(1, -1, -1, -1, -1, -1);
162 TPC->SetSecUps(25, 26, 48, -1, -1, -1, -1, -1, -1, -1, -1, -1);
167 //=================== TOF parameters ============================
168 AliTOF *TOF = new AliTOFv2("TOF","normal TOF");
172 //=================== RICH parameters ===========================
174 AliRICH *RICH = new AliRICHv0("RICH","normal RICH");
176 RICH->SetSMAXAR(0.03);
180 // Default Segmentation
181 AliRICHsegmentationV0* RsegV0 = new AliRICHsegmentationV0;
182 RsegV0->SetPADSIZ(.8, .8);
183 RsegV0->SetDAnod(0.8/3);
185 AliRICHresponseV0* Rresponse0 = new AliRICHresponseV0;
186 AliRICHresponseCkv* RresponseCkv = new AliRICHresponseCkv;
188 //------------------------Chambers 0-6 ----------------------------
189 for (Int_t i=0; i<7; i++) {
190 RICH->SetSegmentationModel(i, 1, RsegV0);
191 RICH->SetResponseModel(i, mip , Rresponse0);
192 RICH->SetResponseModel(i, cerenkov, RresponseCkv);
193 RICH->Chamber(i).SetRSIGM(5.);
194 RICH->Chamber(i).SetMUCHSP(43.);
195 RICH->Chamber(i).SetMUSIGM(0.18, 0.18);
196 RICH->Chamber(i).SetMAXADC( 1024);
197 RICH->Chamber(i).SetSqrtKx3(0.77459667);
198 RICH->Chamber(i).SetKx2(0.962);
199 RICH->Chamber(i).SetKx4(0.379);
200 RICH->Chamber(i).SetSqrtKy3(0.77459667);
201 RICH->Chamber(i).SetKy2(0.962);
202 RICH->Chamber(i).SetKy4(0.379);
203 RICH->Chamber(i).SetPitch(0.25);
209 //=================== ZDC parameters ============================
211 AliZDC *ZDC = new AliZDCv1("ZDC","normal ZDC");
215 //=================== CASTOR parameters ============================
217 AliCASTOR *CASTOR = new AliCASTORv1("CASTOR","normal CASTOR");
221 //=================== TRD parameters ============================
223 AliTRD *TRD = new AliTRDv0("TRD","TRD version 0");
224 // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2)
230 //=================== FMD parameters ============================
232 AliFMD *FMD = new AliFMDv1("FMD","normal FMD");
236 //=================== MUON parameters ===========================
238 AliMUON *MUON = new AliMUONv0("MUON","normal MUON");
240 MUON->SetSMAXAR(0.03);
245 // First define the number of planes that are segmented (1 or 2) by a call
247 // Then chose for each chamber (chamber plane) the segmentation
248 // and response model.
249 // They should be equal for the two chambers of each station. In a future
250 // version this will be enforced.
255 // Default Segmentation
256 AliMUONsegmentationV0* segV0 = new AliMUONsegmentationV0;
258 AliMUONresponseV0* response0 = new AliMUONresponseV0;
259 response0->SetSqrtKx3(0.761577);
260 response0->SetKx2(0.972655);
261 response0->SetKx4(0.3841);
262 response0->SetSqrtKy3(0.714143);
263 response0->SetKy2(1.0099);
264 response0->SetKy4(0.403);
265 response0->SetPitch(0.25);
266 response0->SetRSIGM(10.);
267 response0->SetMUCHSP(5.);
268 response0->SetMUSIGM(0.18, 0.18);
269 response0->SetMAXADC( 1024);
270 //--------------------------------------------------------
271 // Configuration for Chamber TC1/2 (Station 1) ----------
272 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
273 Float_t rseg[4]={17.5, 55.2, 71.3, 95.5};
274 Int_t nseg[4]={4, 4, 2, 1};
278 MUON->SetNsec(chamber-1,2);
280 AliMUONsegmentationV01 *seg11=new AliMUONsegmentationV01;
281 seg11->SetSegRadii(rseg);
282 seg11->SetPADSIZ(3.048, 0.508);
283 seg11->SetPadDivision(nseg);
284 MUON->SetSegmentationModel(chamber-1, 1, seg11);
286 AliMUONsegmentationV01 *seg12=new AliMUONsegmentationV01;
287 seg12->SetSegRadii(rseg);
288 seg12->SetPADSIZ(2.032, 0.762);
289 seg12->SetPadDivision(nseg);
291 MUON->SetSegmentationModel(chamber-1, 2, seg12);
295 MUON->SetNsec(chamber-1,2);
296 MUON->SetSegmentationModel(chamber-1, 1, seg11);
297 MUON->SetSegmentationModel(chamber-1, 2, seg12);
301 MUON->SetResponseModel(0, response0);
302 MUON->SetResponseModel(1, response0);
304 //--------------------------------------------------------
305 // Configuration for Chamber TC3/4 -----------------------
306 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
309 MUON->SetNsec(chamber-1,1);
310 AliMUONsegmentationV0 *seg34=new AliMUONsegmentationV0;
311 seg34->SetDAnod(0.51/3.);
313 MUON->SetSegmentationModel(chamber-1, 1, seg34);
314 MUON->SetResponseModel(chamber-1, response0);
317 MUON->SetNsec(chamber-1,1);
318 MUON->SetSegmentationModel(chamber-1, 1, seg34);
319 MUON->SetResponseModel(chamber-1, response0);
323 MUON->SetPADSIZ(station, 1, 0.75, 0.51);
324 MUON->SetMUCHSP(station, 5.);
325 MUON->SetMUSIGM(station, 0.18, 0.18);
326 MUON->SetRSIGM(station, 10.);
327 MUON->SetMAXADC(station, 1024);
330 //--------------------------------------------------------
331 // Configuration for Chamber TC5/6 -----------------------
332 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
334 seg5 = new AliMUONsegmentationV1;
335 AliMUONresponseV0* response5 = new AliMUONresponseV0;
337 response5->SetSqrtKx3(0.78740079);
338 response5->SetKx2(0.95237319); // 0.5 * kPI * (1- 0.5*sqrtky3 )
339 response5->SetKx4(0.37480633); // 0.25/TMath::ATan(sqrtkx3)
341 response5->SetSqrtKy3(0.74161985);
342 response5->SetKy2(0.98832946);
343 response5->SetKy4(0.39177817);
344 response5->SetPitch(0.325);
345 response5->SetRSIGM(10.);
346 response5->SetMUCHSP(5.);
347 response5->SetMUSIGM( 0.4, 0.4);
348 response5->SetMAXADC( 1024);
351 MUON->SetNsec(chamber-1,1);
352 MUON->SetSegmentationModel(chamber-1, 1, seg5);
353 MUON->SetResponseModel(chamber-1, response5);
356 MUON->SetNsec(chamber-1,1);
357 MUON->SetSegmentationModel(chamber-1, 1, seg5);
358 MUON->SetResponseModel(chamber-1, response5);
362 MUON->SetPADSIZ(station, 1, 0.975, 0.55);
365 //--------------------------------------------------------
366 // Configuration for Chamber TC7/8/9/10-------------------
367 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
370 MUON->SetNsec(chamber-1,1);
371 AliMUONsegmentationV0 *seg78=new AliMUONsegmentationV0;
372 seg78->SetDAnod(0.51/3.);
374 MUON->SetSegmentationModel(chamber-1, 1, seg78);
375 MUON->SetResponseModel(chamber-1, response0);
378 MUON->SetNsec(chamber-1,1);
379 MUON->SetSegmentationModel(chamber-1, 1, seg78);
380 MUON->SetResponseModel(chamber-1, response0);
384 MUON->SetPADSIZ(station, 1, 0.75, 0.5);
387 MUON->SetNsec(chamber-1,1);
388 AliMUONsegmentationV0 *seg910=new AliMUONsegmentationV0;
389 seg910->SetDAnod(0.51/3.);
391 MUON->SetSegmentationModel(chamber-1, 1, seg910);
392 MUON->SetResponseModel(chamber-1, response0);
395 MUON->SetNsec(chamber-1,1);
396 MUON->SetSegmentationModel(chamber-1, 1, seg910);
397 MUON->SetResponseModel(chamber-1, response0);
401 MUON->SetPADSIZ(station, 1, 0.75, 0.5);
404 MUON->SetNsec(chamber-1,1);
405 AliMUONsegmentationV0 *seg1112=new AliMUONsegmentationV0;
406 seg1112->SetDAnod(0.51/3.);
408 MUON->SetSegmentationModel(chamber-1, 1, seg1112);
409 MUON->SetResponseModel(chamber-1, response0);
412 MUON->SetNsec(chamber-1,1);
413 MUON->SetSegmentationModel(chamber-1, 1, seg1112);
414 MUON->SetResponseModel(chamber-1, response0);
418 MUON->SetPADSIZ(station, 1, 0.75, 0.5);
421 MUON->SetNsec(chamber-1,1);
422 AliMUONsegmentationV0 *seg1314=new AliMUONsegmentationV0;
423 seg1314->SetDAnod(0.51/3.);
425 MUON->SetSegmentationModel(chamber-1, 1, seg1314);
426 MUON->SetResponseModel(chamber-1, response0);
429 MUON->SetNsec(chamber-1,1);
430 MUON->SetSegmentationModel(chamber-1, 1, seg1314);
431 MUON->SetResponseModel(chamber-1, response0);
435 MUON->SetPADSIZ(station, 1, 0.75, 0.5);
439 //=================== PHOS parameters ===========================
441 AliPHOS *PHOS = new AliPHOSv1("PHOS","normal PHOS");
442 // * PHOSflags: YES: X<>0 NO: X=0
443 // * PHOSflags(1) : -----X Create branch for TObjArray of AliPHOSCradle
444 // * ----X- Create file (ftn03 on HP-UX) with list of SHAKER particles (7Mb/event)
446 PHOS->SetFlags(000001);
447 PHOS->SetRadius(460); //Distance from beam to PHOS crystals.
448 // (crystal_side_size,crystal_length,wrap_thikness,air_thikness,PIN_size,PIN length)
449 PHOS->SetCell(2.2, 18., 0.01, 0.01, 1., 0.1);
450 PHOS->SetCradleSize(104, 88, 4); // Nz (along beam), Nphi, Ncradles
451 PHOS->SetCradleA(0); //Angle between Cradles
452 PHOS->SetCPV(1., 2.); //CPV thikness, CPV-PHOS distance
454 // * PHOS extra parameters (contact Maxim Volkov volkov@mail.cern.ch)
455 // * 1. STE_THICK Steel cover thickness
456 // * 2. SUP_Y Crystal support height
457 // * 3. FTIU_THICK Thermo Insulating outer cover Upper plate thickness
458 // * 4. UFP_Y Upper Polystyrene Foam plate thickness
459 // * 5. TCB_THICK Thermo insulating Crystal Block wall thickness
460 // * 6. UCP_Y Upper Cooling Plate thickness
461 // * 7. ASP_Y Al Support Plate thickness
462 // * 8. TIP_Y Lower Thermo Insulating Plate thickness
463 // * 9. TXP_Y Lower Textolit Plate thickness
464 PHOS->SetExtra(0.001, 6.95, 4., 5., 2., 0.06, 10., 3., 1.);
465 PHOS->SetTextolitWall(209., 71., 250.); //Textolit Wall box dimentions
466 PHOS->SetInnerAir(206., 66., 244.); //Inner AIR volume dimensions
467 // * ===============================
468 // * 1. FTI_X Foam Thermo Insulating outer cover dimensions
471 // * 4. FTI_R Distance from IP to Foam Thermo Insulating top plate
472 PHOS->SetFoam(214.6, 80., 260., 467.);
473 // =================================
474 // *******************************************************************************
475 // * KINE 700 - SHAKER generator
476 // * KINE 700 x y z NDNDY YLIM PTLIM ChargeFlag
479 // * JPIC=JPRO=JKAC=JKA0=JRHO=JOME=JPHI=JPSI=JDRY=ChargeFlag
480 // * Int_t JWEI; // Unweighted generation
481 // * Int_t NDNDY; // Density of charged particles
482 // * Float_t YLIM; // Rapidity Limit
483 // * Float_t PTLIM; // Pt limit in GeV/c
484 // * Int_t JWEAK; // Disable weak decays
485 // * Int_t JPI0; // pi0 generation
486 // * Int_t JETA; // eta generation
487 // * Int_t JPIC; // pi+/- generation
488 // * Int_t JPRO; // proton generation
489 // * Int_t JKAC; // K+/- generation
490 // * Int_t JKA0; // K0 generation
491 // * Int_t JRHO; // rho generation
492 // * Int_t JOME; // omega generation
493 // * Int_t JPHI; // phi generation
494 // * Int_t JPSI; // J/psi generation
495 // * Int_t JDRY; // Drell-Yan generation
496 // * KINE 700 5. 175. 0. 800. 1.5 5. 1.
497 // *******************************************************************************
501 //=================== PMD parameters ============================
503 AliPMD *PMD = new AliPMDv0("PMD","normal PMD");
504 PMD->SetPAR(1., 1., 0.8, 0.02);
505 PMD->SetIN(6., 18., -580., 27., 27.);
506 PMD->SetGEO(0.0, 0.2, 4.);
507 PMD->SetPadSize(0.8, 1.0, 1.0, 1.5);