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)
80 //=================== Alice BODY parameters =============================
81 AliBODY *BODY = new AliBODY("BODY","Alice envelop");
85 //=================== MAG parameters ============================
86 // --- Start with Magnet since detector layouts may be depending ---
87 // --- on the selected Magnet dimensions ---
88 AliMAG *MAG = new AliMAG("MAG","Magnet");
93 //=================== ABSO parameters ============================
94 AliABSO *ABSO = new AliABSO("ABSO","Muon Absorber");
98 //=================== DIPO parameters ============================
100 AliDIPO *DIPO = new AliDIPOv2("DIPO","Dipole version 2");
104 //=================== HALL parameters ============================
106 AliHALL *HALL = new AliHALL("HALL","Alice Hall");
111 //=================== FRAME parameters ============================
113 AliFRAME *FRAME = new AliFRAMEv0("FRAME","Space Frame");
117 //=================== SHIL parameters ============================
119 AliSHIL *SHIL = new AliSHIL("SHIL","Shielding");
124 //=================== PIPE parameters ============================
126 AliPIPE *PIPE = new AliPIPEv0("PIPE","Beam Pipe");
131 //=================== ITS parameters ============================
133 // EUCLID is a flag to output (=1) both geometry and media to two ASCII files
134 // (called by default ITSgeometry.euc and ITSgeometry.tme) in a format
135 // understandable to the CAD system EUCLID. The default (=0) means that you
136 // dont want to use this facility.
138 AliITS *ITS = new AliITSv3("ITS","normal ITS");
143 //============================ TPC parameters ================================
144 // --- This allows the user to specify sectors for the SLOW (TPC geometry 2)
145 // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper)
146 // --- sectors are specified, any value other than that requires at least one
147 // --- sector (lower or upper)to be specified!
148 // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0)
149 // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0)
150 // --- SecLows - number of lower sectors specified (up to 6)
151 // --- SecUps - number of upper sectors specified (up to 12)
152 // --- Sens - sensitive strips for the Slow Simulator !!!
153 // --- This does NOT work if all S or L-sectors are specified, i.e.
154 // --- if SecAL or SecAU < 0
157 //-----------------------------------------------------------------------------
159 AliTPC *TPC = new AliTPCv1("TPC","Normal TPC");
160 AliTPCD *paramd = TPC->GetDigParam();
161 AliTPCParam *param = &(paramd->GetParam());
163 // Set geometrical parameters
165 param->SetSectorAngles(40.,0.,20.,10.);
166 param->SetInnerRadiusLow(83.7);
167 param->SetInnerRadiusUp(132.9);
168 param->SetOuterRadiusLow(146.9);
169 param->SetOuterRadiusUp(249.4);
170 param->SetInSecLowEdge(81.6);
171 param->SetInSecUpEdge(135.);
172 param->SetOuSecLowEdge(144.2);
173 param->SetOuSecUpEdge(252.1);
175 param->SetDeadZone(1.15);
180 TPC->SetGasMixt(2,20,10,-1,0.9,0.1,0.);
183 TPC->SetSecLows(0, -1, -1, -1, -1, -1);
184 TPC->SetSecUps(18, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1);
189 //=================== TOF parameters ============================
190 AliTOF *TOF = new AliTOFv2("TOF","normal TOF");
194 //=================== RICH parameters ===========================
196 AliRICH *RICH = new AliRICHv0("RICH","normal RICH");
198 RICH->SetSMAXAR(0.03);
202 // Default Segmentation
203 AliRICHsegmentationV0* RsegV0 = new AliRICHsegmentationV0;
204 RsegV0->SetPADSIZ(.8, .8);
205 RsegV0->SetDAnod(0.8/3);
207 AliRICHresponseV0* Rresponse0 = new AliRICHresponseV0;
208 AliRICHresponseCkv* RresponseCkv = new AliRICHresponseCkv;
210 //------------------------Chambers 0-6 ----------------------------
211 for (Int_t i=0; i<7; i++) {
212 RICH->SetSegmentationModel(i, 1, RsegV0);
213 RICH->SetResponseModel(i, mip , Rresponse0);
214 RICH->SetResponseModel(i, cerenkov, RresponseCkv);
215 RICH->Chamber(i).SetRSIGM(5.);
216 RICH->Chamber(i).SetMUCHSP(43.);
217 RICH->Chamber(i).SetMUSIGM(0.18, 0.18);
218 RICH->Chamber(i).SetMAXADC( 1024);
219 RICH->Chamber(i).SetSqrtKx3(0.77459667);
220 RICH->Chamber(i).SetKx2(0.962);
221 RICH->Chamber(i).SetKx4(0.379);
222 RICH->Chamber(i).SetSqrtKy3(0.77459667);
223 RICH->Chamber(i).SetKy2(0.962);
224 RICH->Chamber(i).SetKy4(0.379);
225 RICH->Chamber(i).SetPitch(0.25);
231 //=================== ZDC parameters ============================
233 AliZDC *ZDC = new AliZDCv1("ZDC","normal ZDC");
237 //=================== CASTOR parameters ============================
239 AliCASTOR *CASTOR = new AliCASTORv1("CASTOR","normal CASTOR");
243 //=================== TRD parameters ============================
245 AliTRD *TRD = new AliTRDv0("TRD","TRD version 0");
246 // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2)
252 //=================== FMD parameters ============================
254 AliFMD *FMD = new AliFMDv1("FMD","normal FMD");
258 //=================== MUON parameters ===========================
260 AliMUON *MUON = new AliMUONv0("MUON","normal MUON");
262 MUON->SetMaxStepGas(0.1);
263 MUON->SetMaxStepAlu(0.1);
267 // First define the number of planes that are segmented (1 or 2) by a call
269 // Then chose for each chamber (chamber plane) the segmentation
270 // and response model.
271 // They should be equal for the two chambers of each station. In a future
272 // version this will be enforced.
278 AliMUONresponseV0* response0 = new AliMUONresponseV0;
279 response0->SetSqrtKx3(0.7131);
280 response0->SetKx2(1.0107);
281 response0->SetKx4(0.4036);
282 response0->SetSqrtKy3(0.7642);
283 response0->SetKy2(0.9706);
284 response0->SetKy4(0.3831);
285 response0->SetPitch(0.25);
286 response0->SetSigmaIntegration(10.);
287 response0->SetChargeSlope(50);
288 response0->SetChargeSpread(0.18, 0.18);
289 response0->SetMaxAdc(4096);
290 //--------------------------------------------------------
291 // Configuration for Chamber TC1/2 (Station 1) ----------
292 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
293 // Float_t rseg1[4]={17.5, 55.2, 71.3, 95.5};
294 Float_t rseg1[4]={15.5, 55.2, 71.3, 95.5};
295 Int_t nseg1[4]={4, 4, 2, 1};
299 MUON->SetNsec(chamber-1,2);
301 AliMUONsegmentationV01 *seg11=new AliMUONsegmentationV01;
303 seg11->SetSegRadii(rseg1);
304 seg11->SetPADSIZ(3, 0.5);
305 seg11->SetDAnod(3.0/3./4);
306 seg11->SetPadDivision(nseg1);
308 MUON->SetSegmentationModel(chamber-1, 1, seg11);
310 AliMUONsegmentationV02 *seg12=new AliMUONsegmentationV02;
311 seg12->SetSegRadii(rseg1);
312 seg12->SetPADSIZ(0.75, 2.0);
313 seg12->SetDAnod(3.0/3./4);
314 seg12->SetPadDivision(nseg1);
316 MUON->SetSegmentationModel(chamber-1, 2, seg12);
318 MUON->SetResponseModel(chamber-1, response0);
323 MUON->SetNsec(chamber-1,2);
325 AliMUONsegmentationV01 *seg21=new AliMUONsegmentationV01;
326 seg21->SetSegRadii(rseg1);
327 seg21->SetPADSIZ(3, 0.5);
328 seg21->SetDAnod(3.0/3./4);
329 seg21->SetPadDivision(nseg1);
330 MUON->SetSegmentationModel(chamber-1, 1, seg21);
332 AliMUONsegmentationV02 *seg22=new AliMUONsegmentationV02;
333 seg22->SetSegRadii(rseg1);
334 seg22->SetPADSIZ(0.75, 2.);
335 seg22->SetDAnod(3.0/3./4);
336 seg22->SetPadDivision(nseg1);
337 MUON->SetSegmentationModel(chamber-1, 2, seg22);
339 MUON->SetResponseModel(chamber-1, response0);
341 //--------------------------------------------------------
342 // Configuration for Chamber TC3/4 -----------------------
343 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
344 // Float_t rseg2[4]={23.5, 47.1, 87.7, 122.5};
345 Float_t rseg2[4]={21.5, 47.1, 87.7, 122.5};
346 Int_t nseg2[4]={4, 4, 2, 1};
350 MUON->SetNsec(chamber-1,2);
352 AliMUONsegmentationV01 *seg31=new AliMUONsegmentationV01;
353 seg31->SetSegRadii(rseg2);
354 seg31->SetPADSIZ(3, 0.5);
355 seg31->SetDAnod(3.0/3./4);
356 seg31->SetPadDivision(nseg2);
357 MUON->SetSegmentationModel(chamber-1, 1, seg31);
359 AliMUONsegmentationV02 *seg32=new AliMUONsegmentationV02;
360 seg32->SetSegRadii(rseg2);
361 seg32->SetPADSIZ(0.75, 2.);
362 seg32->SetPadDivision(nseg2);
363 seg32->SetDAnod(3.0/3./4);
365 MUON->SetSegmentationModel(chamber-1, 2, seg32);
367 MUON->SetResponseModel(chamber-1, response0);
372 MUON->SetNsec(chamber-1,2);
374 AliMUONsegmentationV01 *seg41=new AliMUONsegmentationV01;
375 seg41->SetSegRadii(rseg2);
376 seg41->SetPADSIZ(3, 0.5);
377 seg41->SetDAnod(3.0/3./4);
378 seg41->SetPadDivision(nseg2);
379 MUON->SetSegmentationModel(chamber-1, 1, seg41);
381 AliMUONsegmentationV02 *seg42=new AliMUONsegmentationV02;
382 seg42->SetSegRadii(rseg2);
383 seg42->SetPADSIZ(0.75, 2.);
384 seg42->SetPadDivision(nseg2);
385 seg42->SetDAnod(3.0/3./4);
387 MUON->SetSegmentationModel(chamber-1, 2, seg42);
389 MUON->SetResponseModel(chamber-1, response0);
392 //--------------------------------------------------------
393 // Configuration for Chamber TC5/6 -----------------------
394 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
396 seg5 = new AliMUONsegmentationV1;
397 AliMUONresponseV0* response5 = new AliMUONresponseV0;
399 response5->SetSqrtKx3(0.78740079);
400 response5->SetKx2(0.95237319); // 0.5 * kPI * (1- 0.5*sqrtky3 )
401 response5->SetKx4(0.37480633); // 0.25/TMath::ATan(sqrtkx3)
403 response5->SetSqrtKy3(0.74161985);
404 response5->SetKy2(0.98832946);
405 response5->SetKy4(0.39177817);
406 response5->SetPitch(0.325);
407 response5->SetSigmaIntegration(10.);
408 response5->SetChargeSlope(50);
409 response5->SetChargeSpread(0.4, 0.4);
410 response5->SetMaxAdc(4096);
413 MUON->SetNsec(chamber-1,1);
414 MUON->SetSegmentationModel(chamber-1, 1, seg5);
415 MUON->SetResponseModel(chamber-1, response5);
418 MUON->SetNsec(chamber-1,1);
419 MUON->SetSegmentationModel(chamber-1, 1, seg5);
420 MUON->SetResponseModel(chamber-1, response5);
424 MUON->SetPADSIZ(station, 1, 0.975, 0.55);
429 MUON->SetNsec(chamber-1,2);
431 AliMUONsegmentationV0 *seg51=new AliMUONsegmentationV0;
432 seg51->SetPADSIZ(0.75, 0.5);
433 seg51->SetDAnod(3.0/3./4);
434 MUON->SetSegmentationModel(chamber-1, 1, seg51);
436 AliMUONsegmentationV0 *seg52=new AliMUONsegmentationV0;
437 seg52->SetPADSIZ(0.5,0.75);
438 seg52->SetDAnod(3.0/3./4);
439 MUON->SetSegmentationModel(chamber-1, 2, seg52);
441 MUON->SetResponseModel(chamber-1, response0);
445 MUON->SetNsec(chamber-1,2);
447 AliMUONsegmentationV0 *seg61=new AliMUONsegmentationV0;
448 seg61->SetPADSIZ(0.75, 0.5);
449 seg61->SetDAnod(3.0/3./4);
450 MUON->SetSegmentationModel(chamber-1, 1, seg61);
452 AliMUONsegmentationV0 *seg62=new AliMUONsegmentationV0;
453 seg62->SetPADSIZ(0.5,0.75);
454 seg62->SetDAnod(3.0/3./4);
455 MUON->SetSegmentationModel(chamber-1, 2, seg62);
457 MUON->SetResponseModel(chamber-1, response0);
459 //--------------------------------------------------------
460 // Configuration for Chamber TC7/8 (Station 4) ----------
461 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
463 Int_t nseg4[4]={4, 4, 2, 1};
467 MUON->SetNsec(chamber-1,2);
469 AliMUONsegmentationV04 *seg71=new AliMUONsegmentationV04;
470 seg71->SetPADSIZ(10.,0.5);
471 seg71->SetDAnod(0.25);
472 seg71->SetPadDivision(nseg4);
473 MUON->SetSegmentationModel(chamber-1, 1, seg71);
475 AliMUONsegmentationV05 *seg72=new AliMUONsegmentationV05;
476 seg72->SetPADSIZ(1,10);
477 seg72->SetDAnod(0.25);
478 seg72->SetPadDivision(nseg4);
479 MUON->SetSegmentationModel(chamber-1, 2, seg72);
481 MUON->SetResponseModel(chamber-1, response0);
485 MUON->SetNsec(chamber-1,2);
486 AliMUONsegmentationV04 *seg81=new AliMUONsegmentationV04;
487 seg81->SetPADSIZ(10., 0.5);
488 seg81->SetPadDivision(nseg4);
489 seg81->SetDAnod(0.25);
490 MUON->SetSegmentationModel(chamber-1, 1, seg81);
492 AliMUONsegmentationV05 *seg82=new AliMUONsegmentationV05;
493 seg82->SetPADSIZ(1, 10);
494 seg82->SetPadDivision(nseg4);
495 seg82->SetDAnod(0.25);
496 MUON->SetSegmentationModel(chamber-1, 2, seg82);
498 MUON->SetResponseModel(chamber-1, response0);
499 //--------------------------------------------------------
500 // Configuration for Chamber TC9/10 (Station 5) ---------
501 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
504 MUON->SetNsec(chamber-1,2);
506 AliMUONsegmentationV04 *seg91=new AliMUONsegmentationV04;
507 seg91->SetPADSIZ(10.,0.5);
508 seg91->SetDAnod(0.25);
509 seg91->SetPadDivision(nseg4);
510 MUON->SetSegmentationModel(chamber-1, 1, seg91);
512 AliMUONsegmentationV05 *seg92=new AliMUONsegmentationV05;
513 seg92->SetPADSIZ(1,10);
514 seg92->SetDAnod(0.25);
515 seg92->SetPadDivision(nseg4);
517 MUON->SetSegmentationModel(chamber-1, 2, seg92);
519 MUON->SetResponseModel(chamber-1, response0);
523 MUON->SetNsec(chamber-1,2);
524 AliMUONsegmentationV04 *seg101=new AliMUONsegmentationV04;
525 seg101->SetPADSIZ(10., 0.5);
526 seg101->SetPadDivision(nseg4);
527 seg101->SetDAnod(0.25);
528 MUON->SetSegmentationModel(chamber-1, 1, seg101);
530 AliMUONsegmentationV05 *seg102=new AliMUONsegmentationV05;
531 seg102->SetPADSIZ(1,10);
532 seg102->SetPadDivision(nseg4);
533 seg102->SetDAnod(0.25);
534 MUON->SetSegmentationModel(chamber-1, 2, seg102);
536 MUON->SetResponseModel(chamber-1, response0);
537 //--------------------------------------------------------
538 // Configuration for Trigger staions ---------------------
539 // (not yet used/implemented) ----------------------------
540 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
543 MUON->SetNsec(chamber-1,1);
544 AliMUONsegmentationV0 *seg1112=new AliMUONsegmentationV0;
545 seg1112->SetDAnod(0.51/3.);
547 MUON->SetSegmentationModel(chamber-1, 1, seg1112);
548 MUON->SetResponseModel(chamber-1, response0);
551 MUON->SetNsec(chamber-1,1);
552 MUON->SetSegmentationModel(chamber-1, 1, seg1112);
553 MUON->SetResponseModel(chamber-1, response0);
557 MUON->SetPADSIZ(station, 1, 0.75, 0.5);
560 MUON->SetNsec(chamber-1,1);
561 AliMUONsegmentationV0 *seg1314=new AliMUONsegmentationV0;
562 seg1314->SetDAnod(0.51/3.);
564 MUON->SetSegmentationModel(chamber-1, 1, seg1314);
565 MUON->SetResponseModel(chamber-1, response0);
568 MUON->SetNsec(chamber-1,1);
569 MUON->SetSegmentationModel(chamber-1, 1, seg1314);
570 MUON->SetResponseModel(chamber-1, response0);
574 MUON->SetPADSIZ(station, 1, 0.75, 0.5);
578 //=================== PHOS parameters ===========================
580 AliPHOS *PHOS = new AliPHOSv1("PHOS","normal PHOS");
581 // * PHOSflags: YES: X<>0 NO: X=0
582 // * PHOSflags(1) : -----X Create branch for TObjArray of AliPHOSCradle
583 // * ----X- Create file (ftn03 on HP-UX) with list of SHAKER particles (7Mb/event)
585 PHOS->SetFlags(000001);
586 PHOS->SetRadius(460); //Distance from beam to PHOS crystals.
587 // (crystal_side_size,crystal_length,wrap_thikness,air_thikness,PIN_size,PIN length)
588 PHOS->SetCell(2.2, 18., 0.01, 0.01, 1., 0.1);
589 PHOS->SetCradleSize(104, 88, 4); // Nz (along beam), Nphi, Ncradles
590 PHOS->SetCradleA(0); //Angle between Cradles
591 PHOS->SetCPV(1., 2.); //CPV thikness, CPV-PHOS distance
593 // * PHOS extra parameters (contact Maxim Volkov volkov@mail.cern.ch)
594 // * 1. STE_THICK Steel cover thickness
595 // * 2. SUP_Y Crystal support height
596 // * 3. FTIU_THICK Thermo Insulating outer cover Upper plate thickness
597 // * 4. UFP_Y Upper Polystyrene Foam plate thickness
598 // * 5. TCB_THICK Thermo insulating Crystal Block wall thickness
599 // * 6. UCP_Y Upper Cooling Plate thickness
600 // * 7. ASP_Y Al Support Plate thickness
601 // * 8. TIP_Y Lower Thermo Insulating Plate thickness
602 // * 9. TXP_Y Lower Textolit Plate thickness
603 PHOS->SetExtra(0.001, 6.95, 4., 5., 2., 0.06, 10., 3., 1.);
604 PHOS->SetTextolitWall(209., 71., 250.); //Textolit Wall box dimentions
605 PHOS->SetInnerAir(206., 66., 244.); //Inner AIR volume dimensions
606 // * ===============================
607 // * 1. FTI_X Foam Thermo Insulating outer cover dimensions
610 // * 4. FTI_R Distance from IP to Foam Thermo Insulating top plate
611 PHOS->SetFoam(214.6, 80., 260., 467.);
612 // =================================
613 // *******************************************************************************
614 // * KINE 700 - SHAKER generator
615 // * KINE 700 x y z NDNDY YLIM PTLIM ChargeFlag
618 // * JPIC=JPRO=JKAC=JKA0=JRHO=JOME=JPHI=JPSI=JDRY=ChargeFlag
619 // * Int_t JWEI; // Unweighted generation
620 // * Int_t NDNDY; // Density of charged particles
621 // * Float_t YLIM; // Rapidity Limit
622 // * Float_t PTLIM; // Pt limit in GeV/c
623 // * Int_t JWEAK; // Disable weak decays
624 // * Int_t JPI0; // pi0 generation
625 // * Int_t JETA; // eta generation
626 // * Int_t JPIC; // pi+/- generation
627 // * Int_t JPRO; // proton generation
628 // * Int_t JKAC; // K+/- generation
629 // * Int_t JKA0; // K0 generation
630 // * Int_t JRHO; // rho generation
631 // * Int_t JOME; // omega generation
632 // * Int_t JPHI; // phi generation
633 // * Int_t JPSI; // J/psi generation
634 // * Int_t JDRY; // Drell-Yan generation
635 // * KINE 700 5. 175. 0. 800. 1.5 5. 1.
636 // *******************************************************************************
640 //=================== PMD parameters ============================
642 AliPMD *PMD = new AliPMDv0("PMD","normal PMD");
643 PMD->SetPAR(1., 1., 0.8, 0.02);
644 PMD->SetIN(6., 18., -580., 27., 27.);
645 PMD->SetGEO(0.0, 0.2, 4.);
646 PMD->SetPadSize(0.8, 1.0, 1.0, 1.5);
651 //=================== START parameters ============================
652 AliSTART *START = new AliSTARTv0("START","START Detector");