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");
91 //=================== ITS parameters ============================
93 // EUCLID is a flag to output (=1) both geometry and media to two ASCII files
94 // (called by default ITSgeometry.euc and ITSgeometry.tme) in a format
95 // understandable to the CAD system EUCLID. The default (=0) means that you
96 // dont want to use this facility.
98 AliITS *ITS = new AliITSv3("ITS","normal ITS");
103 //============================ TPC parameters ================================
104 // --- This allows the user to specify sectors for the SLOW (TPC geometry 2)
105 // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper)
106 // --- sectors are specified, any value other than that requires at least one
107 // --- sector (lower or upper)to be specified!
108 // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0)
109 // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0)
110 // --- SecLows - number of lower sectors specified (up to 6)
111 // --- SecUps - number of upper sectors specified (up to 12)
112 // --- Sens - sensitive strips for the Slow Simulator !!!
113 // --- This does NOT work if all S or L-sectors are specified, i.e.
114 // --- if SecAL or SecAU < 0
117 //-----------------------------------------------------------------------------
119 AliTPC *TPC = new AliTPCv1("TPC","Normal TPC");
122 TPC->SetSecLows(1, -1, -1, -1, -1, -1);
123 TPC->SetSecUps(25, 26, 48, -1, -1, -1, -1, -1, -1, -1, -1, -1);
128 //=================== TOF parameters ============================
129 AliTOF *TOF = new AliTOFv2("TOF","normal TOF");
133 //=================== RICH parameters ===========================
136 AliRICH *RICH = new AliRICHv1("RICH","normal RICH");
144 //=================== ZDC parameters ============================
146 AliZDC *ZDC = new AliZDCv1("ZDC","normal ZDC");
150 //=================== CASTOR parameters ============================
152 AliCASTOR *CASTOR = new AliCASTORv1("CASTOR","normal CASTOR");
156 //=================== TRD parameters ============================
158 AliTRD *TRD = new AliTRDv2("TRD","TRD version 2");
159 // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2)
161 // Define the sensitive parts of the detector
162 //TRD->SetSensPlane(3);
163 //TRD->SetSensChamber(2);
164 //TRD->SetSensSector(5);
169 //=================== ABSO parameters ============================
170 AliABSO *ABSO = new AliABSO("ABSO","Muon Absorber");
174 //=================== DIPO parameters ============================
176 AliDIPO *DIPO = new AliDIPOv2("DIPO","Dipole version 2");
180 //=================== HALL parameters ============================
182 AliHALL *HALL = new AliHALL("HALL","Alice Hall");
187 //=================== FRAME parameters ============================
188 AliFRAME *FRAME = new AliFRAMEv1("FRAME","Space Frame");
192 //=================== SHIL parameters ============================
194 AliSHIL *SHIL = new AliSHIL("SHIL","Shielding");
199 //=================== PIPE parameters ============================
201 AliPIPE *PIPE = new AliPIPEv0("PIPE","Beam Pipe");
206 //=================== FMD parameters ============================
208 AliFMD *FMD = new AliFMDv1("FMD","normal FMD");
212 //=================== MUON parameters ===========================
214 AliMUON *MUON = new AliMUONv0("MUON","normal MUON");
216 MUON->SetSMAXAR(0.03);
221 // First define the number of planes that are segmented (1 or 2) by a call
223 // Then chose for each chamber (chamber plane) the segmentation
224 // and response model.
225 // They should be equal for the two chambers of each station. In a future
226 // version this will be enforced.
231 // Default Segmentation
232 AliMUONsegmentationV0* segV0 = new AliMUONsegmentationV0;
234 AliMUONresponseV0* response0 = new AliMUONresponseV0;
235 response0->SetSqrtKx3(0.761577);
236 response0->SetKx2(0.972655);
237 response0->SetKx4(0.3841);
238 response0->SetSqrtKy3(0.714143);
239 response0->SetKy2(1.0099);
240 response0->SetKy4(0.403);
241 response0->SetPitch(0.25);
242 response0->SetRSIGM(10.);
243 response0->SetMUCHSP(5.);
244 response0->SetMUSIGM(0.18, 0.18);
245 response0->SetMAXADC( 1024);
246 //--------------------------------------------------------
247 // Configuration for Chamber TC1/2 (Station 1) ----------
248 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
249 Float_t rseg[4]={17.5, 55.2, 71.3, 95.5};
250 Int_t nseg[4]={4, 4, 2, 1};
254 MUON->SetNsec(chamber-1,2);
256 AliMUONsegmentationV01 *seg11=new AliMUONsegmentationV01;
257 seg11->SetSegRadii(rseg);
258 seg11->SetPADSIZ(3.048, 0.508);
259 seg11->SetPadDivision(nseg);
260 MUON->SetSegmentationModel(chamber-1, 1, seg11);
262 AliMUONsegmentationV01 *seg12=new AliMUONsegmentationV01;
263 seg12->SetSegRadii(rseg);
264 seg12->SetPADSIZ(2.032, 0.762);
265 seg12->SetPadDivision(nseg);
267 MUON->SetSegmentationModel(chamber-1, 2, seg12);
271 MUON->SetNsec(chamber-1,2);
272 MUON->SetSegmentationModel(chamber-1, 1, seg11);
273 MUON->SetSegmentationModel(chamber-1, 2, seg12);
277 MUON->SetResponseModel(0, response0);
278 MUON->SetResponseModel(1, response0);
280 //--------------------------------------------------------
281 // Configuration for Chamber TC3/4 -----------------------
282 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
285 MUON->SetNsec(chamber-1,1);
286 AliMUONsegmentationV0 *seg34=new AliMUONsegmentationV0;
287 seg34->SetDAnod(0.51/3.);
289 MUON->SetSegmentationModel(chamber-1, 1, seg34);
290 MUON->SetResponseModel(chamber-1, response0);
293 MUON->SetNsec(chamber-1,1);
294 MUON->SetSegmentationModel(chamber-1, 1, seg34);
295 MUON->SetResponseModel(chamber-1, response0);
299 MUON->SetPADSIZ(station, 1, 0.75, 0.51);
300 MUON->SetMUCHSP(station, 5.);
301 MUON->SetMUSIGM(station, 0.18, 0.18);
302 MUON->SetRSIGM(station, 10.);
303 MUON->SetMAXADC(station, 1024);
306 //--------------------------------------------------------
307 // Configuration for Chamber TC5/6 -----------------------
308 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
310 seg5 = new AliMUONsegmentationV1;
311 AliMUONresponseV0* response5 = new AliMUONresponseV0;
313 response5->SetSqrtKx3(0.78740079);
314 response5->SetKx2(0.95237319); // 0.5 * kPI * (1- 0.5*sqrtky3 )
315 response5->SetKx4(0.37480633); // 0.25/TMath::ATan(sqrtkx3)
317 response5->SetSqrtKy3(0.74161985);
318 response5->SetKy2(0.98832946);
319 response5->SetKy4(0.39177817);
320 response5->SetPitch(0.325);
321 response5->SetRSIGM(10.);
322 response5->SetMUCHSP(5.);
323 response5->SetMUSIGM( 0.4, 0.4);
324 response5->SetMAXADC( 1024);
327 MUON->SetNsec(chamber-1,1);
328 MUON->SetSegmentationModel(chamber-1, 1, seg5);
329 MUON->SetResponseModel(chamber-1, response5);
332 MUON->SetNsec(chamber-1,1);
333 MUON->SetSegmentationModel(chamber-1, 1, seg5);
334 MUON->SetResponseModel(chamber-1, response5);
338 MUON->SetPADSIZ(station, 1, 0.975, 0.55);
341 //--------------------------------------------------------
342 // Configuration for Chamber TC7/8/9/10-------------------
343 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
346 MUON->SetNsec(chamber-1,1);
347 AliMUONsegmentationV0 *seg78=new AliMUONsegmentationV0;
348 seg78->SetDAnod(0.51/3.);
350 MUON->SetSegmentationModel(chamber-1, 1, seg78);
351 MUON->SetResponseModel(chamber-1, response0);
354 MUON->SetNsec(chamber-1,1);
355 MUON->SetSegmentationModel(chamber-1, 1, seg78);
356 MUON->SetResponseModel(chamber-1, response0);
360 MUON->SetPADSIZ(station, 1, 0.75, 0.5);
363 MUON->SetNsec(chamber-1,1);
364 AliMUONsegmentationV0 *seg910=new AliMUONsegmentationV0;
365 seg910->SetDAnod(0.51/3.);
367 MUON->SetSegmentationModel(chamber-1, 1, seg910);
368 MUON->SetResponseModel(chamber-1, response0);
371 MUON->SetNsec(chamber-1,1);
372 MUON->SetSegmentationModel(chamber-1, 1, seg910);
373 MUON->SetResponseModel(chamber-1, response0);
377 MUON->SetPADSIZ(station, 1, 0.75, 0.5);
380 MUON->SetNsec(chamber-1,1);
381 AliMUONsegmentationV0 *seg1112=new AliMUONsegmentationV0;
382 seg1112->SetDAnod(0.51/3.);
384 MUON->SetSegmentationModel(chamber-1, 1, seg1112);
385 MUON->SetResponseModel(chamber-1, response0);
388 MUON->SetNsec(chamber-1,1);
389 MUON->SetSegmentationModel(chamber-1, 1, seg1112);
390 MUON->SetResponseModel(chamber-1, response0);
394 MUON->SetPADSIZ(station, 1, 0.75, 0.5);
397 MUON->SetNsec(chamber-1,1);
398 AliMUONsegmentationV0 *seg1314=new AliMUONsegmentationV0;
399 seg1314->SetDAnod(0.51/3.);
401 MUON->SetSegmentationModel(chamber-1, 1, seg1314);
402 MUON->SetResponseModel(chamber-1, response0);
405 MUON->SetNsec(chamber-1,1);
406 MUON->SetSegmentationModel(chamber-1, 1, seg1314);
407 MUON->SetResponseModel(chamber-1, response0);
411 MUON->SetPADSIZ(station, 1, 0.75, 0.5);
415 //=================== PHOS parameters ===========================
417 AliPHOS *PHOS = new AliPHOSv1("PHOS","normal PHOS");
418 // * PHOSflags: YES: X<>0 NO: X=0
419 // * PHOSflags(1) : -----X Create branch for TObjArray of AliPHOSCradle
420 // * ----X- Create file (ftn03 on HP-UX) with list of SHAKER particles (7Mb/event)
422 PHOS->SetFlags(000001);
423 PHOS->SetRadius(460); //Distance from beam to PHOS crystals.
424 // (crystal_side_size,crystal_length,wrap_thikness,air_thikness,PIN_size,PIN length)
425 PHOS->SetCell(2.2, 18., 0.01, 0.01, 1., 0.1);
426 PHOS->SetCradleSize(104, 88, 4); // Nz (along beam), Nphi, Ncradles
427 PHOS->SetCradleA(0); //Angle between Cradles
428 PHOS->SetCPV(1., 2.); //CPV thikness, CPV-PHOS distance
430 // * PHOS extra parameters (contact Maxim Volkov volkov@mail.cern.ch)
431 // * 1. STE_THICK Steel cover thickness
432 // * 2. SUP_Y Crystal support height
433 // * 3. FTIU_THICK Thermo Insulating outer cover Upper plate thickness
434 // * 4. UFP_Y Upper Polystyrene Foam plate thickness
435 // * 5. TCB_THICK Thermo insulating Crystal Block wall thickness
436 // * 6. UCP_Y Upper Cooling Plate thickness
437 // * 7. ASP_Y Al Support Plate thickness
438 // * 8. TIP_Y Lower Thermo Insulating Plate thickness
439 // * 9. TXP_Y Lower Textolit Plate thickness
440 PHOS->SetExtra(0.001, 6.95, 4., 5., 2., 0.06, 10., 3., 1.);
441 PHOS->SetTextolitWall(209., 71., 250.); //Textolit Wall box dimentions
442 PHOS->SetInnerAir(206., 66., 244.); //Inner AIR volume dimensions
443 // * ===============================
444 // * 1. FTI_X Foam Thermo Insulating outer cover dimensions
447 // * 4. FTI_R Distance from IP to Foam Thermo Insulating top plate
448 PHOS->SetFoam(214.6, 80., 260., 467.);
449 // =================================
450 // *******************************************************************************
451 // * KINE 700 - SHAKER generator
452 // * KINE 700 x y z NDNDY YLIM PTLIM ChargeFlag
455 // * JPIC=JPRO=JKAC=JKA0=JRHO=JOME=JPHI=JPSI=JDRY=ChargeFlag
456 // * Int_t JWEI; // Unweighted generation
457 // * Int_t NDNDY; // Density of charged particles
458 // * Float_t YLIM; // Rapidity Limit
459 // * Float_t PTLIM; // Pt limit in GeV/c
460 // * Int_t JWEAK; // Disable weak decays
461 // * Int_t JPI0; // pi0 generation
462 // * Int_t JETA; // eta generation
463 // * Int_t JPIC; // pi+/- generation
464 // * Int_t JPRO; // proton generation
465 // * Int_t JKAC; // K+/- generation
466 // * Int_t JKA0; // K0 generation
467 // * Int_t JRHO; // rho generation
468 // * Int_t JOME; // omega generation
469 // * Int_t JPHI; // phi generation
470 // * Int_t JPSI; // J/psi generation
471 // * Int_t JDRY; // Drell-Yan generation
472 // * KINE 700 5. 175. 0. 800. 1.5 5. 1.
473 // *******************************************************************************
477 //=================== PMD parameters ============================
479 AliPMD *PMD = new AliPMDv0("PMD","normal PMD");
480 PMD->SetPAR(1., 1., 0.8, 0.02);
481 PMD->SetIN(6., 18., -580., 27., 27.);
482 PMD->SetGEO(0.0, 0.2, 4.);
483 PMD->SetPadSize(0.8, 1.0, 1.0, 1.5);