1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
17 ///////////////////////////////////////////////////////////////////////
19 // AliZDCv4 --- new ZDC geometry //
20 // with both ZDC arms geometry implemented //
22 ///////////////////////////////////////////////////////////////////////
24 // --- Standard libraries
32 #include <TVirtualMC.h>
33 #include <TGeoManager.h>
34 #include <TGeoMatrix.h>
37 #include <TGeoShape.h>
38 #include <TGeoScaledShape.h>
39 #include <TGeoCompositeShape.h>
40 #include <TParticle.h>
42 // --- AliRoot classes
49 #include "AliMCParticle.h"
58 //_____________________________________________________________________________
59 AliZDCv4::AliZDCv4() :
87 fVCollSideCAperture(7./2.),
88 fVCollSideCApertureNeg(7./2.),
89 fVCollSideCCentreY(0.),
90 fTCDDAperturePos(2.0),
91 fTCDDApertureNeg(2.2),
97 // Default constructor for Zero Degree Calorimeter
99 for(Int_t i=0; i<3; i++){
100 fDimZN[i] = fDimZP[i] = 0.;
101 fPosZNC[i] = fPosZNA[i] = fPosZPC[i]= fPosZPA[i] = fPosZEM[i] = 0.;
102 fFibZN[i] = fFibZP[i] = 0.;
106 //_____________________________________________________________________________
107 AliZDCv4::AliZDCv4(const char *name, const char *title) :
135 fVCollSideCAperture(7./2.),
136 fVCollSideCApertureNeg(7./2.),
137 fVCollSideCCentreY(0.),
138 fTCDDAperturePos(2.0),
139 fTCDDApertureNeg(2.2),
140 fTDIAperturePos(5.5),
141 fTDIApertureNeg(5.5),
145 // Standard constructor for Zero Degree Calorimeter
148 // Check that DIPO, ABSO, DIPO and SHIL is there (otherwise tracking is wrong!!!)
150 AliModule* pipe=gAlice->GetModule("PIPE");
151 AliModule* abso=gAlice->GetModule("ABSO");
152 AliModule* dipo=gAlice->GetModule("DIPO");
153 AliModule* shil=gAlice->GetModule("SHIL");
154 if((!pipe) || (!abso) || (!dipo) || (!shil)) {
155 Error("Constructor","ZDC needs PIPE, ABSO, DIPO and SHIL!!!\n");
160 for(ip=0; ip<4; ip++){
161 for(kp=0; kp<fNalfap; kp++){
162 for(jp=0; jp<fNbep; jp++){
163 fTablep[ip][kp][jp] = 0;
168 for(in=0; in<4; in++){
169 for(kn=0; kn<fNalfan; kn++){
170 for(jn=0; jn<fNben; jn++){
171 fTablen[in][kn][jn] = 0;
176 // Parameters for hadronic calorimeters geometry
177 // Positions updated after post-installation measurements
186 fPosZNC[2] = -11397.3+136;
189 fPosZPC[2] = -11389.3+136;
192 fPosZNA[2] = 11395.8-136;
195 fPosZPA[2] = 11387.8-136;
202 // Parameters for EM calorimeter geometry
206 Float_t kDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
207 Float_t kDimZEMAir = 0.001; // scotch
208 Float_t kFibRadZEM = 0.0315; // External fiber radius (including cladding)
209 Int_t kDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
210 Float_t kDimZEM0 = 2*kDivZEM[2]*(kDimZEMPb+kDimZEMAir+kFibRadZEM*(TMath::Sqrt(2.)));
211 fZEMLength = kDimZEM0;
215 //_____________________________________________________________________________
216 void AliZDCv4::CreateGeometry()
219 // Create the geometry for the Zero Degree Calorimeter version 2
220 //* Initialize COMMON block ZDC_CGEOM
227 //_____________________________________________________________________________
228 void AliZDCv4::CreateBeamLine()
231 // Create the beam line elements
233 if(fOnlyZEM) printf("\n Only ZEM configuration requested: no side-C beam pipe, no side-A hadronic ZDCs\n\n");
235 Double_t zd1, zd2, zCorrDip, zInnTrip, zD1;
236 Double_t conpar[9], tubpar[3], tubspar[5], boxpar[3];
238 //-- rotation matrices for the legs
239 Int_t irotpipe1, irotpipe2;
240 TVirtualMC::GetMC()->Matrix(irotpipe1,90.-1.0027,0.,90.,90.,1.0027,180.);
241 TVirtualMC::GetMC()->Matrix(irotpipe2,90.+1.0027,0.,90.,90.,1.0027,0.);
243 Int_t *idtmed = fIdtmed->GetArray();
244 Double_t dx=0., dy=0., dz=0.;
245 Double_t thx=0., thy=0., thz=0.;
246 Double_t phx=0., phy=0., phz=0.;
248 TGeoMedium *medZDCFe = gGeoManager->GetMedium("ZDC_ZIRONT");
249 TGeoMedium *medZDCvoid = gGeoManager->GetMedium("ZDC_ZVOID");
251 ////////////////////////////////////////////////////////////////
253 // SIDE C - RB26 (dimuon side) //
255 ////////////////////////////////////////////////////////////////
258 // -- Mother of the ZDCs (Vacuum PCON)
270 TVirtualMC::GetMC()->Gsvolu("ZDCC", "PCON", idtmed[10], conpar, 9);
271 TVirtualMC::GetMC()->Gspos("ZDCC", 1, "ALIC", 0., 0., 0., 0, "ONLY");
274 // -- BEAM PIPE from compensator dipole to the beginning of D1)
277 // From beginning of ZDC volumes to beginning of D1
278 tubpar[2] = (5838.3-zd1)/2.;
279 TVirtualMC::GetMC()->Gsvolu("QT01", "TUBE", idtmed[7], tubpar, 3);
280 TVirtualMC::GetMC()->Gspos("QT01", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
282 //printf(" QT01 TUBE pipe from z = %1.2f to z = %1.2f (D1 begin)\n",-zd1,-2*tubpar[2]-zd1);
284 //-- BEAM PIPE from the end of D1 to the beginning of D2)
286 //-- FROM MAGNETIC BEGINNING OF D1 TO MAGNETIC END OF D1
287 //-- Cylindrical pipe (r = 3.47) + conical flare
288 // -> Beginning of D1
293 tubpar[2] = (6909.8-zd1)/2.;
294 TVirtualMC::GetMC()->Gsvolu("QT02", "TUBE", idtmed[7], tubpar, 3);
295 TVirtualMC::GetMC()->Gspos("QT02", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
297 //printf(" QT02 TUBE pipe from z = %1.2f to z = %1.2f (D1 magnetic end)\n",-zd1,-2*tubpar[2]-zd1);
303 tubpar[2] = (6958.3-zd1)/2.;
304 TVirtualMC::GetMC()->Gsvolu("QT0B", "TUBE", idtmed[7], tubpar, 3);
305 TVirtualMC::GetMC()->Gspos("QT0B", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
307 //printf(" QT0B TUBE pipe from z = %1.2f to z = %1.2f \n",-zd1,-2*tubpar[2]-zd1);
313 tubpar[2] = (7022.8-zd1)/2.;
314 TVirtualMC::GetMC()->Gsvolu("QT03", "TUBE", idtmed[7], tubpar, 3);
315 TVirtualMC::GetMC()->Gspos("QT03", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
317 //printf(" QT03 TUBE pipe from z = %1.2f to z = %1.2f (D1 end)\n",-zd1,-2*tubpar[2]-zd1);
326 TVirtualMC::GetMC()->Gsvolu("QC01", "CONE", idtmed[7], conpar, 5);
327 TVirtualMC::GetMC()->Gspos("QC01", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
329 //printf(" QC01 CONE pipe from z = %1.2f to z= %1.2f (VCTCQ-I)\n",-zd1,-2*conpar[0]-zd1);
331 zd1 += conpar[0] * 2.;
333 // ******************************************************
334 // N.B.-> according to last vacuum layout
335 // private communication by D. Macina, mail 27/1/2009
336 // updated to new ZDC installation (Janiary 2012)
337 // ******************************************************
338 // 2nd section of VCTCQ+VAMTF+TCLIA+VAMTF+1st part of VCTCP
339 Float_t totLength1 = 160.8 + 78. + 148. + 78. + 9.3;
343 tubpar[2] = totLength1/2.;
344 // TVirtualMC::GetMC()->Gsvolu("QE01", "ELTU", idtmed[7], tubpar, 3);
345 // temporary replace with a scaled tube (AG)
346 TGeoTube *tubeQE01 = new TGeoTube(0.,tubpar[0],tubpar[2]);
347 TGeoScale *scaleQE01 = new TGeoScale(1., tubpar[1]/tubpar[0], 1.);
348 TGeoScaledShape *sshapeQE01 = new TGeoScaledShape(tubeQE01, scaleQE01);
349 new TGeoVolume("QE01", sshapeQE01, gGeoManager->GetMedium(idtmed[7]));
353 tubpar[2] = totLength1/2.;
354 // TVirtualMC::GetMC()->Gsvolu("QE02", "ELTU", idtmed[10], tubpar, 3);
355 // temporary replace with a scaled tube (AG)
356 TGeoTube *tubeQE02 = new TGeoTube(0.,tubpar[0],tubpar[2]);
357 TGeoScale *scaleQE02 = new TGeoScale(1., tubpar[1]/tubpar[0], 1.);
358 TGeoScaledShape *sshapeQE02 = new TGeoScaledShape(tubeQE02, scaleQE02);
359 new TGeoVolume("QE02", sshapeQE02, gGeoManager->GetMedium(idtmed[10]));
361 TVirtualMC::GetMC()->Gspos("QE01", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
362 TVirtualMC::GetMC()->Gspos("QE02", 1, "QE01", 0., 0., 0., 0, "ONLY");
364 //printf(" QE01 ELTU from z = %1.2f to z = %1.2f (VCTCQ-II+VAMTF+TCLIA+VAMTF+VCTCP-I)\n",-zd1,-2*tubpar[2]-zd1);
366 // TCLIA collimator jaws (defined ONLY if fVCollAperture<3.5!)
367 if(fVCollSideCAperture<3.5){
369 boxpar[1] = (3.5-fVCollSideCAperture-fVCollSideCCentreY-0.7)/2.;
370 if(boxpar[1]<0.) boxpar[1]=0.;
371 boxpar[2] = 124.4/2.;
372 printf(" AliZDCv4 -> C side injection collimator jaws: apertures +%1.2f/-%1.2f center %1.2f [cm]\n",
373 fVCollSideCAperture, fVCollSideCApertureNeg,fVCollSideCCentreY);
374 TVirtualMC::GetMC()->Gsvolu("QCVC" , "BOX ", idtmed[13], boxpar, 3);
375 TVirtualMC::GetMC()->Gspos("QCVC", 1, "QE02", -boxpar[0], fVCollSideCAperture+fVCollSideCCentreY+boxpar[1], -totLength1/2.+160.8+78.+148./2., 0, "ONLY");
376 TVirtualMC::GetMC()->Gspos("QCVC", 2, "QE02", -boxpar[0], -fVCollSideCApertureNeg+fVCollSideCCentreY-boxpar[1], -totLength1/2.+160.8+78.+148./2., 0, "ONLY");
379 zd1 += tubpar[2] * 2.;
383 conpar[1] = 21.27/2.;
384 conpar[2] = 21.87/2.;
387 TVirtualMC::GetMC()->Gsvolu("QC02", "CONE", idtmed[7], conpar, 5);
388 TVirtualMC::GetMC()->Gspos("QC02", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
390 //printf(" QC02 CONE pipe from z = %1.2f to z= %1.2f (VCTCP-II)\n",-zd1,-2*conpar[0]-zd1);
392 zd1 += conpar[0] * 2.;
394 // 3rd section of VCTCP+VCDWC+VMLGB
395 //Float_t totLenght2 = 9.2 + 530.5+40.;
396 Float_t totLenght2 = (8373.3-zd1);
399 tubpar[2] = totLenght2/2.;
400 TVirtualMC::GetMC()->Gsvolu("QT04", "TUBE", idtmed[7], tubpar, 3);
401 TVirtualMC::GetMC()->Gspos("QT04", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
403 //printf(" QT04 TUBE pipe from z = %1.2f to z= %1.2f (VCTCP-III)\n",-zd1,-2*tubpar[2]-zd1);
405 zd1 += tubpar[2] * 2.;
407 // First part of VCTCD
408 // skewed transition cone from ID=212.7 mm to ID=797 mm
412 conpar[3] = 21.27/2.;
413 conpar[4] = 21.87/2.;
414 TVirtualMC::GetMC()->Gsvolu("QC03", "CONE", idtmed[7], conpar, 5);
415 TVirtualMC::GetMC()->Gspos("QC03", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
417 //printf(" QC03 CONE pipe from z = %1.2f to z = %1.2f (VCTCD-I)\n",-zd1,-2*conpar[0]-zd1);
421 // VCDGB + 1st part of VCTCH
422 // Modified according to 2012 ZDC installation
425 tubpar[2] = (5*475.2+97.-136)/2.;
426 TVirtualMC::GetMC()->Gsvolu("QT05", "TUBE", idtmed[7], tubpar, 3);
427 TVirtualMC::GetMC()->Gspos("QT05", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
429 //printf(" QT05 TUBE pipe from z = %1.2f to z = %1.2f (VCDGB+VCTCH-I)\n",-zd1,-2*tubpar[2]-zd1);
434 // Transition from ID=797 mm to ID=196 mm:
435 // in order to simulate the thin window opened in the transition cone
436 // we divide the transition cone in three cones:
437 // (1) 8 mm thick (2) 3 mm thick (3) the third 8 mm thick
440 conpar[0] = 9.09/2.; // 15 degree
441 conpar[1] = 74.82868/2.;
442 conpar[2] = 76.42868/2.; // thickness 8 mm
444 conpar[4] = 81.3/2.; // thickness 8 mm
445 TVirtualMC::GetMC()->Gsvolu("QC04", "CONE", idtmed[7], conpar, 5);
446 TVirtualMC::GetMC()->Gspos("QC04", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
448 //printf(" QC04 CONE pipe from z = %1.2f to z = %1.2f (VCTCH-II)\n",-zd1,-2*conpar[0]-zd1);
453 conpar[0] = 96.2/2.; // 15 degree
454 conpar[1] = 23.19588/2.;
455 conpar[2] = 23.79588/2.; // thickness 3 mm
456 conpar[3] = 74.82868/2.;
457 conpar[4] = 75.42868/2.; // thickness 3 mm
458 TVirtualMC::GetMC()->Gsvolu("QC05", "CONE", idtmed[7], conpar, 5);
459 TVirtualMC::GetMC()->Gspos("QC05", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
461 //printf(" QC05 CONE pipe from z = %1.2f to z = %1.2f (VCTCH-III)\n",-zd1,-2*conpar[0]-zd1);
466 conpar[0] = 6.71/2.; // 15 degree
468 conpar[2] = 21.2/2.;// thickness 8 mm
469 conpar[3] = 23.19588/2.;
470 conpar[4] = 24.79588/2.;// thickness 8 mm
471 TVirtualMC::GetMC()->Gsvolu("QC06", "CONE", idtmed[7], conpar, 5);
472 TVirtualMC::GetMC()->Gspos("QC06", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
474 //printf(" QC06 CONE pipe from z = %1.2f to z = %1.2f (VCTCH-III)\n",-zd1,-2*conpar[0]-zd1);
482 TVirtualMC::GetMC()->Gsvolu("QT06", "TUBE", idtmed[7], tubpar, 3);
483 TVirtualMC::GetMC()->Gspos("QT06", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
485 //printf(" QT06 TUBE pipe from z = %1.2f to z = %1.2f (VMZAR-I)\n",-zd1,-2*tubpar[2]-zd1);
494 TVirtualMC::GetMC()->Gsvolu("QC07", "CONE", idtmed[7], conpar, 5);
495 TVirtualMC::GetMC()->Gspos("QC07", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
497 //printf(" QC07 CONE pipe from z = %1.2f to z = %1.2f (VMZAR-II)\n",-zd1,-2*conpar[0]-zd1);
504 TVirtualMC::GetMC()->Gsvolu("QT07", "TUBE", idtmed[7], tubpar, 3);
505 TVirtualMC::GetMC()->Gspos("QT07", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
507 //printf(" QT07 TUBE pipe from z = %1.2f to z = %1.2f (VMZAR-III)\n",-zd1,-2*tubpar[2]-zd1);
516 TVirtualMC::GetMC()->Gsvolu("QC08", "CONE", idtmed[7], conpar, 5);
517 TVirtualMC::GetMC()->Gspos("QC08", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
519 //printf(" QC08 CONE pipe from z = %1.2f to z = %1.2f (VMZAR-IV)\n",-zd1,-2*conpar[0]-zd1);
526 TVirtualMC::GetMC()->Gsvolu("QT08", "TUBE", idtmed[7], tubpar, 3);
527 TVirtualMC::GetMC()->Gspos("QT08", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
529 //printf(" QT08 TUBE pipe from z = %1.2f to z = %1.2f (VMZAR-V)\n",-zd1,-2*tubpar[2]-zd1);
533 // Flange (ID=196 mm)(last part of VMZAR and first part of VCTYB)
537 TVirtualMC::GetMC()->Gsvolu("QT09", "TUBE", idtmed[7], tubpar, 3);
538 TVirtualMC::GetMC()->Gspos("QT09", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
540 //printf(" QT09 TUBE pipe from z = %1.2f to z = %1.2f (VMZAR-VI+VCTYB-I)\n",-zd1,-2*tubpar[2]-zd1);
544 ////printf(" Beginning of VCTYB volume @ z = %1.2f \n",-zd1);
546 // simulation of the trousers (VCTYB)
550 TVirtualMC::GetMC()->Gsvolu("QT10", "TUBE", idtmed[7], tubpar, 3);
551 TVirtualMC::GetMC()->Gspos("QT10", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
553 //printf(" QT10 TUBE pipe from z = %1.2f to z = %1.2f (VCTYB-II)\n",-zd1,-2*tubpar[2]-zd1);
557 // transition cone from ID=196. to ID=216.6
558 conpar[0] = 32.55/2.;
559 conpar[1] = 21.66/2.;
560 conpar[2] = 22.06/2.;
563 TVirtualMC::GetMC()->Gsvolu("QC09", "CONE", idtmed[7], conpar, 5);
564 TVirtualMC::GetMC()->Gspos("QC09", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
566 //printf(" QC09 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
571 tubpar[0] = 21.66/2.;
572 tubpar[1] = 22.06/2.;
574 TVirtualMC::GetMC()->Gsvolu("QT11", "TUBE", idtmed[7], tubpar, 3);
575 TVirtualMC::GetMC()->Gspos("QT11", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
577 //printf(" QT11 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
581 //printf(" Beginning of C side recombination chamber @ z = %f \n",-zd1);
583 // --------------------------------------------------------
584 // RECOMBINATION CHAMBER IMPLEMENTED USING TGeo CLASSES!!!!
585 // author: Chiara (August 2008)
586 // --------------------------------------------------------
587 // TRANSFORMATION MATRICES
588 // Combi transformation:
593 thx = 84.989100; phx = 180.000000;
594 thy = 90.000000; phy = 90.000000;
595 thz = 185.010900; phz = 0.000000;
596 TGeoRotation *rotMatrix1c = new TGeoRotation("c",thx,phx,thy,phy,thz,phz);
597 // Combi transformation:
601 TGeoCombiTrans *rotMatrix2c = new TGeoCombiTrans("ZDCC_c1", dx,dy,dz,rotMatrix1c);
602 rotMatrix2c->RegisterYourself();
603 // Combi transformation:
608 thx = 95.010900; phx = 180.000000;
609 thy = 90.000000; phy = 90.000000;
610 thz = 180.-5.010900; phz = 0.000000;
611 TGeoRotation *rotMatrix3c = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
612 TGeoCombiTrans *rotMatrix4c = new TGeoCombiTrans("ZDCC_c2", dx,dy,dz,rotMatrix3c);
613 rotMatrix4c->RegisterYourself();
615 // VOLUMES DEFINITION
617 TGeoVolume *pZDCC = gGeoManager->GetVolume("ZDCC");
619 conpar[0] = (90.1-0.95-0.26-0.0085)/2.;
624 new TGeoCone("QCLext", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
626 conpar[0] = (90.1-0.95-0.26-0.0085)/2.;
631 new TGeoCone("QCLint", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
634 TGeoCompositeShape *pOutTrousersC = new TGeoCompositeShape("outTrousersC", "QCLext:ZDCC_c1+QCLext:ZDCC_c2");
637 TGeoVolume *pQCLext = new TGeoVolume("QCLext",pOutTrousersC, medZDCFe);
638 pQCLext->SetLineColor(kGreen);
639 pQCLext->SetVisLeaves(kTRUE);
641 TGeoTranslation *tr1c = new TGeoTranslation(0., 0., (Double_t) -conpar[0]-0.95-zd1);
642 //printf(" C side recombination chamber from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-0.95-zd1);
644 pZDCC->AddNode(pQCLext, 1, tr1c);
646 TGeoCompositeShape *pIntTrousersC = new TGeoCompositeShape("intTrousersC", "QCLint:ZDCC_c1+QCLint:ZDCC_c2");
648 TGeoVolume *pQCLint = new TGeoVolume("QCLint",pIntTrousersC, medZDCvoid);
649 pQCLint->SetLineColor(kTeal);
650 pQCLint->SetVisLeaves(kTRUE);
651 pQCLext->AddNode(pQCLint, 1);
654 Double_t offset = 0.5;
657 // second section : 2 tubes (ID = 54. OD = 58.)
661 TVirtualMC::GetMC()->Gsvolu("QT12", "TUBE", idtmed[7], tubpar, 3);
662 TVirtualMC::GetMC()->Gspos("QT12", 1, "ZDCC", -15.8/2., 0., -tubpar[2]-zd1, 0, "ONLY");
663 TVirtualMC::GetMC()->Gspos("QT12", 2, "ZDCC", 15.8/2., 0., -tubpar[2]-zd1, 0, "ONLY");
665 //printf(" QT12 TUBE from z = %1.2f to z = %1.2f (separate beam pipes)\n",-zd1,-2*tubpar[2]-zd1);
669 // transition x2zdc to recombination chamber : skewed cone
670 conpar[0] = (10.-0.2-offset)/2.;
675 TVirtualMC::GetMC()->Gsvolu("QC10", "CONE", idtmed[7], conpar, 5);
676 TVirtualMC::GetMC()->Gspos("QC10", 1, "ZDCC", -7.9-0.175, 0., -conpar[0]-0.1-zd1, irotpipe1, "ONLY");
677 TVirtualMC::GetMC()->Gspos("QC10", 2, "ZDCC", 7.9+0.175, 0., -conpar[0]-0.1-zd1, irotpipe2, "ONLY");
678 //printf(" QC10 CONE from z = %1.2f to z = %1.2f (transition X2ZDC)\n",-zd1,-2*conpar[0]-0.2-zd1);
680 zd1 += 2.*conpar[0]+0.2;
682 // 2 tubes (ID = 63 mm OD=70 mm)
685 tubpar[2] = 639.8/2.;
686 TVirtualMC::GetMC()->Gsvolu("QT13", "TUBE", idtmed[7], tubpar, 3);
687 TVirtualMC::GetMC()->Gspos("QT13", 1, "ZDCC", -16.5/2., 0., -tubpar[2]-zd1, 0, "ONLY");
688 TVirtualMC::GetMC()->Gspos("QT13", 2, "ZDCC", 16.5/2., 0., -tubpar[2]-zd1, 0, "ONLY");
689 //printf(" QT13 TUBE from z = %1.2f to z = %1.2f (separate beam pipes)\n",-zd1,-2*tubpar[2]-zd1);
692 printf(" END OF C SIDE BEAM PIPE DEFINITION @ z = %f m from IP2\n\n",-zd1/100.);
695 // -- Luminometer (Cu box) in front of ZN - side C
699 boxpar[2] = fLumiLength/2.;
700 TVirtualMC::GetMC()->Gsvolu("QLUC", "BOX ", idtmed[9], boxpar, 3);
701 TVirtualMC::GetMC()->Gspos("QLUC", 1, "ZDCC", 0., 0., fPosZNC[2]+66.+boxpar[2], 0, "ONLY");
702 printf(" C SIDE LUMINOMETER %1.2f < z < %1.2f\n", fPosZNC[2]+66., fPosZNC[2]+66.+2*boxpar[2]);
705 // -- END OF BEAM PIPE VOLUME DEFINITION FOR SIDE C (RB26 SIDE)
706 // ----------------------------------------------------------------
708 ////////////////////////////////////////////////////////////////
712 ///////////////////////////////////////////////////////////////
714 // Rotation Matrices definition
715 Int_t irotpipe3, irotpipe4, irotpipe5;
716 //-- rotation matrices for the tilted cone after the TDI to recenter vacuum chamber
717 TVirtualMC::GetMC()->Matrix(irotpipe3,90.-1.8934,0.,90.,90.,1.8934,180.);
718 //-- rotation matrices for the tilted tube before and after the TDI
719 TVirtualMC::GetMC()->Matrix(irotpipe4,90.-3.8,0.,90.,90.,3.8,180.);
720 //-- rotation matrix for the tilted cone after the TDI
721 TVirtualMC::GetMC()->Matrix(irotpipe5,90.+9.8,0.,90.,90.,9.8,0.);
723 // -- Mother of the ZDCs (Vacuum PCON)
724 zd2 = 1910.22;// zd2 initial value
735 TVirtualMC::GetMC()->Gsvolu("ZDCA", "PCON", idtmed[10], conpar, 9);
736 TVirtualMC::GetMC()->Gspos("ZDCA", 1, "ALIC", 0., 0., 0., 0, "ONLY");
738 // To avoid overlaps 1 micron are left between certain volumes!
739 Double_t dxNoOverlap = 0.0;
740 //zd2 += dxNoOverlap;
742 // BEAM PIPE from 19.10 m to inner triplet beginning (22.965 m)
745 tubpar[2] = 386.28/2. - dxNoOverlap;
746 TVirtualMC::GetMC()->Gsvolu("QA01", "TUBE", idtmed[7], tubpar, 3);
747 TVirtualMC::GetMC()->Gspos("QA01", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
749 //printf(" QA01 TUBE centred in %f from z = %1.2f to z = %1.2f (IT begin)\n",tubpar[2]+zd2,zd2,2*tubpar[2]+zd2);
753 // -- FIRST SECTION OF THE BEAM PIPE (from beginning of inner triplet to
757 tubpar[2] = 3541.8/2. - dxNoOverlap;
758 TVirtualMC::GetMC()->Gsvolu("QA02", "TUBE", idtmed[7], tubpar, 3);
759 TVirtualMC::GetMC()->Gspos("QA02", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
761 //printf(" QA02 TUBE from z = %1.2f to z= %1.2f (D1 begin)\n",zd2,2*tubpar[2]+zd2);
766 // -- SECOND SECTION OF THE BEAM PIPE (from the beginning of D1 to the beginning of D2)
768 // FROM (MAGNETIC) BEGINNING OF D1 TO THE (MAGNETIC) END OF D1 + 126.5 cm
769 // CYLINDRICAL PIPE of diameter increasing from 6.75 cm up to 8.0 cm
770 // from magnetic end :
771 // 1) 80.1 cm still with ID = 6.75 radial beam screen
772 // 2) 2.5 cm conical section from ID = 6.75 to ID = 8.0 cm
773 // 3) 43.9 cm straight section (tube) with ID = 8.0 cm
777 tubpar[2] = (945.0+80.1)/2.;
778 TVirtualMC::GetMC()->Gsvolu("QA03", "TUBE", idtmed[7], tubpar, 3);
779 TVirtualMC::GetMC()->Gspos("QA03", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
781 //printf(" QA03 TUBE from z = %1.2f to z = %1.2f (D1 end)\n",zd2,2*tubpar[2]+zd2);
785 // Transition Cone from ID=67.5 mm to ID=80 mm
791 TVirtualMC::GetMC()->Gsvolu("QA04", "CONE", idtmed[7], conpar, 5);
792 TVirtualMC::GetMC()->Gspos("QA04", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
793 //printf(" QA04 CONE from z = %1.2f to z = %1.2f (transition cone)\n",zd2,2*conpar[0]+zd2);
799 tubpar[2] = (43.9+20.+28.5+28.5)/2.;
800 TVirtualMC::GetMC()->Gsvolu("QA05", "TUBE", idtmed[7], tubpar, 3);
801 TVirtualMC::GetMC()->Gspos("QA05", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
803 //printf(" QA05 TUBE from z = %1.2f to z = %1.2f\n",zd2,2*tubpar[2]+zd2);
807 // Second section of VAEHI (transition cone from ID=80mm to ID=98mm)
813 TVirtualMC::GetMC()->Gsvolu("QAV1", "CONE", idtmed[7], conpar, 5);
814 TVirtualMC::GetMC()->Gspos("QAV1", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
815 //printf(" QAV1 CONE from z = %1.2f to z = %1.2f (VAEHI-I)\n",zd2,2*conpar[0]+zd2);
819 //Third section of VAEHI (transition cone from ID=98mm to ID=90mm)
825 TVirtualMC::GetMC()->Gsvolu("QAV2", "CONE", idtmed[7], conpar, 5);
826 TVirtualMC::GetMC()->Gspos("QAV2", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
827 //printf(" QAV2 CONE from z = %1.2f to z = %1.2f (VAEHI-II)\n",zd2,2*conpar[0]+zd2);
831 // Fourth section of VAEHI (tube ID=90mm)
835 TVirtualMC::GetMC()->Gsvolu("QAV3", "TUBE", idtmed[7], tubpar, 3);
836 TVirtualMC::GetMC()->Gspos("QAV3", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
838 //printf(" QAV3 TUBE from z = %1.2f to z = %1.2f (VAEHI-III)\n",zd2,2*tubpar[2]+zd2);
842 //---------------------------- TCDD beginning ----------------------------------
843 // space for the insertion of the collimator TCDD (2 m)
844 // TCDD ZONE - 1st volume
850 TVirtualMC::GetMC()->Gsvolu("Q01T", "CONE", idtmed[7], conpar, 5);
851 TVirtualMC::GetMC()->Gspos("Q01T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
852 //printf(" Q01T CONE from z = %1.2f to z = %1.2f (TCDD-I)\n",zd2,2*conpar[0]+zd2);
856 // TCDD ZONE - 2nd volume
860 TVirtualMC::GetMC()->Gsvolu("Q02T", "TUBE", idtmed[7], tubpar, 3);
861 TVirtualMC::GetMC()->Gspos("Q02T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
863 //printf(" Q02T TUBE from z = %1.2f to z= %1.2f (TCDD-II)\n",zd2,2*tubpar[2]+zd2);
867 // TCDD ZONE - third volume
873 TVirtualMC::GetMC()->Gsvolu("Q03T", "CONE", idtmed[7], conpar, 5);
874 TVirtualMC::GetMC()->Gspos("Q03T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
875 //printf(" Q03T CONE from z = %1.2f to z= %1.2f (TCDD-III)\n",zd2,2*conpar[0]+zd2);
879 // TCDD ZONE - 4th volume
883 TVirtualMC::GetMC()->Gsvolu("Q04T", "TUBE", idtmed[7], tubpar, 3);
884 TVirtualMC::GetMC()->Gspos("Q04T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
886 //printf(" Q04T TUBE from z = %1.2f to z= %1.2f (TCDD-IV)\n",zd2,2*tubpar[2]+zd2);
890 // TCDD ZONE - 5th volume
893 tubpar[2] = 100.12/2.;
894 TVirtualMC::GetMC()->Gsvolu("Q05T", "TUBE", idtmed[7], tubpar, 3);
895 TVirtualMC::GetMC()->Gspos("Q05T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
897 //printf(" Q05T TUBE from z = %1.2f to z= %1.2f (TCDD-V)\n",zd2,2*tubpar[2]+zd2);
901 // TCDD ZONE - 6th volume
905 TVirtualMC::GetMC()->Gsvolu("Q06T", "TUBE", idtmed[7], tubpar, 3);
906 TVirtualMC::GetMC()->Gspos("Q06T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
908 //printf(" Q06T TUBE from z = %1.2f to z= %1.2f (TCDD-VI)\n",zd2,2*tubpar[2]+zd2);
912 // TCDD ZONE - 7th volume
913 conpar[0] = 11.34/2.;
918 TVirtualMC::GetMC()->Gsvolu("Q07T", "CONE", idtmed[7], conpar, 5);
919 TVirtualMC::GetMC()->Gspos("Q07T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
920 //printf(" Q07T CONE from z = %1.2f to z= %1.2f (TCDD-VII)\n",zd2,2*conpar[0]+zd2);
924 // Upper section : one single phi segment of a tube
925 // 5 parameters for tubs: inner radius = 0.,
926 // outer radius = 7. cm, half length = 50 cm
927 // phi1 = 0., phi2 = 180.
929 tubspar[1] = 14.0/2.;
930 tubspar[2] = 100.0/2.;
933 TVirtualMC::GetMC()->Gsvolu("Q08T", "TUBS", idtmed[7], tubspar, 5);
935 // rectangular beam pipe inside TCDD upper section (Vacuum)
939 TVirtualMC::GetMC()->Gsvolu("Q09T", "BOX ", idtmed[10], boxpar, 3);
940 // positioning vacuum box in the upper section of TCDD
941 TVirtualMC::GetMC()->Gspos("Q09T", 1, "Q08T", 0., 1.1, 0., 0, "ONLY");
943 // lower section : one single phi segment of a tube
945 tubspar[1] = 14.0/2.;
946 tubspar[2] = 100.0/2.;
949 TVirtualMC::GetMC()->Gsvolu("Q10T", "TUBS", idtmed[7], tubspar, 5);
950 // rectangular beam pipe inside TCDD lower section (Vacuum)
954 TVirtualMC::GetMC()->Gsvolu("Q11T", "BOX ", idtmed[10], boxpar, 3);
955 // positioning vacuum box in the lower section of TCDD
956 TVirtualMC::GetMC()->Gspos("Q11T", 1, "Q10T", 0., -1.1, 0., 0, "ONLY");
958 // positioning TCDD elements in ZDCA, (inside TCDD volume)
959 TVirtualMC::GetMC()->Gspos("Q08T", 1, "ZDCA", 0., fTCDDAperturePos, -100.+zd2, 0, "ONLY");
960 TVirtualMC::GetMC()->Gspos("Q10T", 1, "ZDCA", 0., -fTCDDApertureNeg, -100.+zd2, 0, "ONLY");
961 printf(" AliZDCv4 -> TCDD apertures +%1.2f/-%1.2f cm\n",
962 fTCDDAperturePos, fTCDDApertureNeg);
968 TVirtualMC::GetMC()->Gsvolu("Q12T", "BOX ", idtmed[7], boxpar, 3);
969 // positioning RF screen at both sides of TCDD
970 TVirtualMC::GetMC()->Gspos("Q12T", 1, "ZDCA", tubspar[1]+boxpar[0], 0., -100.+zd2, 0, "ONLY");
971 TVirtualMC::GetMC()->Gspos("Q12T", 2, "ZDCA", -tubspar[1]-boxpar[0], 0., -100.+zd2, 0, "ONLY");
972 //---------------------------- TCDD end ---------------------------------------
974 // The following elliptical tube 180 mm x 70 mm
975 // (obtained positioning the void QA06 in QA07)
976 // represents VAMTF + first part of VCTCP (93 mm)
977 // updated according to 2012 new ZDC installation
981 tubpar[2] = (78+9.3)/2.;
982 // TVirtualMC::GetMC()->Gsvolu("QA06", "ELTU", idtmed[7], tubpar, 3);
983 // temporary replace with a scaled tube (AG)
984 TGeoTube *tubeQA06 = new TGeoTube(0.,tubpar[0],tubpar[2]);
985 TGeoScale *scaleQA06 = new TGeoScale(1., tubpar[1]/tubpar[0], 1.);
986 TGeoScaledShape *sshapeQA06 = new TGeoScaledShape(tubeQA06, scaleQA06);
987 new TGeoVolume("QA06", sshapeQA06, gGeoManager->GetMedium(idtmed[7]));
988 //printf(" QA06 TUBE from z = %1.2f to z = %1.2f (VAMTF+VCTCP-I)\n",zd2,2*tubpar[2]+zd2);
992 tubpar[2] = (78+9.3)/2.;
993 // TVirtualMC::GetMC()->Gsvolu("QA07", "ELTU", idtmed[10], tubpar, 3);
994 // temporary replace with a scaled tube (AG)
995 TGeoTube *tubeQA07 = new TGeoTube(0.,tubpar[0],tubpar[2]);
996 TGeoScale *scaleQA07 = new TGeoScale(1., tubpar[1]/tubpar[0], 1.);
997 TGeoScaledShape *sshapeQA07 = new TGeoScaledShape(tubeQA07, scaleQA07);
998 new TGeoVolume("QA07", sshapeQA07, gGeoManager->GetMedium(idtmed[10]));
999 ////printf(" QA07 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1000 TVirtualMC::GetMC()->Gspos("QA06", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1001 TVirtualMC::GetMC()->Gspos("QA07", 1, "QA06", 0., 0., 0., 0, "ONLY");
1003 zd2 += 2.*tubpar[2];
1005 // VCTCP second part: transition cone from ID=180 to ID=212.7
1006 conpar[0] = 31.5/2.;
1007 conpar[1] = 18.0/2.;
1008 conpar[2] = 18.6/2.;
1009 conpar[3] = 21.27/2.;
1010 conpar[4] = 21.87/2.;
1011 TVirtualMC::GetMC()->Gsvolu("QA08", "CONE", idtmed[7], conpar, 5);
1012 TVirtualMC::GetMC()->Gspos("QA08", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1014 //printf(" QA08 CONE from z = %f to z = %f (VCTCP-II)\n",zd2,2*conpar[0]+zd2);
1016 zd2 += 2.*conpar[0];
1019 // Represents VCTCP third part (92 mm) + VCDWB (765 mm) + VMBGA (400 mm) +
1020 // VCDWE (300 mm) + VMBGA (400 mm)
1021 // + TCTVB space + VAMTF space (new installation Jan 2012)
1022 tubpar[0] = 21.27/2.;
1023 tubpar[1] = 21.87/2.;
1024 tubpar[2] = (195.7+148.+78.)/2.;
1025 TVirtualMC::GetMC()->Gsvolu("QA09", "TUBE", idtmed[7], tubpar, 3);
1026 TVirtualMC::GetMC()->Gspos("QA09", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1027 //printf(" QA09 TUBE from z = %1.2f to z= %1.2f (VCTCP-III+VCDWB+VMBGA+VCDWE+VMBGA)\n",zd2,2*tubpar[2]+zd2);
1029 zd2 += 2.*tubpar[2];
1031 // skewed transition piece (ID=212.7 mm to 332 mm) (before TDI)
1032 conpar[0] = (50.0-0.73-1.13)/2.;
1033 conpar[1] = 21.27/2.;
1034 conpar[2] = 21.87/2.;
1035 conpar[3] = 33.2/2.;
1036 conpar[4] = 33.8/2.;
1037 TVirtualMC::GetMC()->Gsvolu("QA10", "CONE", idtmed[7], conpar, 5);
1038 TVirtualMC::GetMC()->Gspos("QA10", 1, "ZDCA", -1.66, 0., conpar[0]+0.73+zd2, irotpipe4, "ONLY");
1040 //printf(" QA10 skewed CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+0.73+1.13+zd2);
1042 zd2 += 2.*conpar[0]+0.73+1.13;
1044 // Vacuum chamber containing TDI
1046 tubpar[1] = 54.6/2.;
1047 tubpar[2] = 540.0/2.;
1048 TVirtualMC::GetMC()->Gsvolu("Q13TM", "TUBE", idtmed[10], tubpar, 3);
1049 TVirtualMC::GetMC()->Gspos("Q13TM", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1050 tubpar[0] = 54.0/2.;
1051 tubpar[1] = 54.6/2.;
1052 tubpar[2] = 540.0/2.;
1053 TVirtualMC::GetMC()->Gsvolu("Q13T", "TUBE", idtmed[7], tubpar, 3);
1054 TVirtualMC::GetMC()->Gspos("Q13T", 1, "Q13TM", 0., 0., 0., 0, "ONLY");
1056 //printf(" Q13T TUBE from z = %1.2f to z= %1.2f (TDI vacuum chamber)\n",zd2,2*tubpar[2]+zd2);
1058 zd2 += 2.*tubpar[2];
1060 //---------------- INSERT TDI INSIDE Q13T -----------------------------------
1061 boxpar[0] = 11.0/2.;
1063 boxpar[2] = 540.0/2.;
1064 TVirtualMC::GetMC()->Gsvolu("QTD1", "BOX ", idtmed[7], boxpar, 3);
1065 TVirtualMC::GetMC()->Gspos("QTD1", 1, "Q13TM", -3.8, boxpar[1]+fTDIAperturePos, 0., 0, "ONLY");
1066 boxpar[0] = 11.0/2.;
1068 boxpar[2] = 540.0/2.;
1069 TVirtualMC::GetMC()->Gsvolu("QTD2", "BOX ", idtmed[7], boxpar, 3);
1070 TVirtualMC::GetMC()->Gspos("QTD2", 1, "Q13TM", -3.8, -boxpar[1]-fTDIApertureNeg, 0., 0, "ONLY");
1073 boxpar[2] = 540.0/2.;
1074 TVirtualMC::GetMC()->Gsvolu("QTD3", "BOX ", idtmed[7], boxpar, 3);
1075 TVirtualMC::GetMC()->Gspos("QTD3", 1, "Q13TM", -3.8+5.5+boxpar[0], fTDIAperturePos, 0., 0, "ONLY");
1076 TVirtualMC::GetMC()->Gspos("QTD3", 2, "Q13TM", -3.8+5.5+boxpar[0], -fTDIApertureNeg, 0., 0, "ONLY");
1077 TVirtualMC::GetMC()->Gspos("QTD3", 3, "Q13TM", -3.8-5.5-boxpar[0], fTDIAperturePos, 0., 0, "ONLY");
1078 TVirtualMC::GetMC()->Gspos("QTD3", 4, "Q13TM", -3.8-5.5-boxpar[0], -fTDIApertureNeg, 0., 0, "ONLY");
1079 printf(" AliZDCv4 -> TDI apertures +%1.2f/-%1.2f cm\n",
1080 fTDIAperturePos, fTDIApertureNeg);
1082 tubspar[0] = 12.0/2.;
1083 tubspar[1] = 12.4/2.;
1084 tubspar[2] = 540.0/2.;
1087 TVirtualMC::GetMC()->Gsvolu("QTD4", "TUBS", idtmed[7], tubspar, 5);
1088 TVirtualMC::GetMC()->Gspos("QTD4", 1, "Q13TM", -3.8-10.6, 0., 0., 0, "ONLY");
1089 tubspar[0] = 12.0/2.;
1090 tubspar[1] = 12.4/2.;
1091 tubspar[2] = 540.0/2.;
1094 TVirtualMC::GetMC()->Gsvolu("QTD5", "TUBS", idtmed[7], tubspar, 5);
1095 TVirtualMC::GetMC()->Gspos("QTD5", 1, "Q13TM", -3.8+10.6, 0., 0., 0, "ONLY");
1096 //---------------- END DEFINING TDI INSIDE Q13T -------------------------------
1098 // VCTCG skewed transition piece (ID=332 mm to 212.7 mm) (after TDI)
1099 conpar[0] = (50.0-2.92-1.89)/2.;
1100 conpar[1] = 33.2/2.;
1101 conpar[2] = 33.8/2.;
1102 conpar[3] = 21.27/2.;
1103 conpar[4] = 21.87/2.;
1104 TVirtualMC::GetMC()->Gsvolu("QA11", "CONE", idtmed[7], conpar, 5);
1105 TVirtualMC::GetMC()->Gspos("QA11", 1, "ZDCA", 4.32-3.8, 0., conpar[0]+2.92+zd2, irotpipe5, "ONLY");
1107 //printf(" QA11 skewed CONE from z = %f to z =%f (VCTCG)\n",zd2,2*conpar[0]+2.92+1.89+zd2);
1109 zd2 += 2.*conpar[0]+2.92+1.89;
1111 // The following tube ID 212.7 mm
1112 // represents VMBGA (400 mm) + VCDWE (300 mm) + VMBGA (400 mm) +
1113 // BTVTS (600 mm) + VMLGB (400 mm)
1114 tubpar[0] = 21.27/2.;
1115 tubpar[1] = 21.87/2.;
1116 tubpar[2] = 210.0/2.;
1117 TVirtualMC::GetMC()->Gsvolu("QA12", "TUBE", idtmed[7], tubpar, 3);
1118 TVirtualMC::GetMC()->Gspos("QA12", 1, "ZDCA", 4., 0., tubpar[2]+zd2, 0, "ONLY");
1120 //printf(" QA12 TUBE from z = %1.2f to z= %1.2f (VMBGA+VCDWE+VMBGA+BTVTS+VMLGB)\n",zd2,2*tubpar[2]+zd2);
1122 zd2 += 2.*tubpar[2];
1124 // First part of VCTCC
1125 // skewed transition cone from ID=212.7 mm to ID=797 mm
1126 conpar[0] = (121.0-0.37-1.35)/2.;
1127 conpar[1] = 21.27/2.;
1128 conpar[2] = 21.87/2.;
1129 conpar[3] = 79.7/2.;
1130 conpar[4] = 81.3/2.;
1131 TVirtualMC::GetMC()->Gsvolu("QA13", "CONE", idtmed[7], conpar, 5);
1132 TVirtualMC::GetMC()->Gspos("QA13", 1, "ZDCA", 4.-2., 0., conpar[0]+0.37+zd2, irotpipe3, "ONLY");
1134 //printf(" QA13 CONE from z = %1.2f to z = %1.2f (VCTCC-I)\n",zd2,2*conpar[0]+0.37+1.35+zd2);
1136 zd2 += 2.*conpar[0]+0.37+1.35;
1138 // The following tube ID 797 mm
1139 // represents the second part of VCTCC (4272 mm) +
1140 // 4 x VCDGA (4 x 4272 mm) +
1141 // the first part of VCTCR (850 mm)
1142 // updated according to 2012 ZDC installation
1143 tubpar[0] = 79.7/2.;
1144 tubpar[1] = 81.3/2.;
1145 tubpar[2] = (2221.-136.)/2.;
1146 TVirtualMC::GetMC()->Gsvolu("QA14", "TUBE", idtmed[7], tubpar, 3);
1147 TVirtualMC::GetMC()->Gspos("QA14", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1149 //printf(" QA14 TUBE from z = %1.2f to z = %1.2f (VCTCC-II)\n",zd2,2*tubpar[2]+zd2);
1151 zd2 += 2.*tubpar[2];
1153 // Second part of VCTCR
1154 // Transition from ID=797 mm to ID=196 mm:
1155 // in order to simulate the thin window opened in the transition cone
1156 // we divide the transition cone in three cones:
1157 // (1) 8 mm thick (2) 3 mm thick (3) the third 8 mm thick
1160 conpar[0] = 9.09/2.; // 15 degree
1161 conpar[1] = 79.7/2.;
1162 conpar[2] = 81.3/2.; // thickness 8 mm
1163 conpar[3] = 74.82868/2.;
1164 conpar[4] = 76.42868/2.; // thickness 8 mm
1165 TVirtualMC::GetMC()->Gsvolu("QA15", "CONE", idtmed[7], conpar, 5);
1166 TVirtualMC::GetMC()->Gspos("QA15", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1167 //printf(" QA15 CONE from z = %1.2f to z= %1.2f (VCTCR-I)\n",zd2,2*conpar[0]+zd2);
1169 zd2 += 2.*conpar[0];
1172 conpar[0] = 96.2/2.; // 15 degree
1173 conpar[1] = 74.82868/2.;
1174 conpar[2] = 75.42868/2.; // thickness 3 mm
1175 conpar[3] = 23.19588/2.;
1176 conpar[4] = 23.79588/2.; // thickness 3 mm
1177 TVirtualMC::GetMC()->Gsvolu("QA16", "CONE", idtmed[7], conpar, 5);
1178 TVirtualMC::GetMC()->Gspos("QA16", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1179 //printf(" QA16 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1181 zd2 += 2.*conpar[0];
1184 conpar[0] = 6.71/2.; // 15 degree
1185 conpar[1] = 23.19588/2.;
1186 conpar[2] = 24.79588/2.;// thickness 8 mm
1187 conpar[3] = 19.6/2.;
1188 conpar[4] = 21.2/2.;// thickness 8 mm
1189 TVirtualMC::GetMC()->Gsvolu("QA17", "CONE", idtmed[7], conpar, 5);
1190 TVirtualMC::GetMC()->Gspos("QA17", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1191 //printf(" QA17 CONE from z = %1.2f to z= %1.2f (VCTCR-II)\n",zd2,2*conpar[0]+zd2);
1193 zd2 += 2.*conpar[0];
1195 // Third part of VCTCR: tube (ID=196 mm)
1196 tubpar[0] = 19.6/2.;
1197 tubpar[1] = 21.2/2.;
1198 tubpar[2] = 9.55/2.;
1199 TVirtualMC::GetMC()->Gsvolu("QA18", "TUBE", idtmed[7], tubpar, 3);
1200 TVirtualMC::GetMC()->Gspos("QA18", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1202 //printf(" QA18 TUBE from z = %1.2f to z= %1.2f (VCTCR-III)\n",zd2,2*tubpar[2]+zd2);
1204 zd2 += 2.*tubpar[2];
1206 // Flange (ID=196 mm) (last part of VCTCR and first part of VMZAR)
1207 tubpar[0] = 19.6/2.;
1208 tubpar[1] = 25.3/2.;
1210 TVirtualMC::GetMC()->Gsvolu("QF01", "TUBE", idtmed[7], tubpar, 3);
1211 TVirtualMC::GetMC()->Gspos("QF01", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1213 //printf(" QF01 TUBE from z = %1.2f to z= %1.2f (VMZAR-I)\n",zd2,2*tubpar[2]+zd2);
1215 zd2 += 2.*tubpar[2];
1217 // VMZAR (5 volumes)
1218 tubpar[0] = 20.2/2.;
1219 tubpar[1] = 20.6/2.;
1220 tubpar[2] = 2.15/2.;
1221 TVirtualMC::GetMC()->Gsvolu("QA19", "TUBE", idtmed[7], tubpar, 3);
1222 TVirtualMC::GetMC()->Gspos("QA19", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1224 //printf(" QA19 TUBE from z = %1.2f to z = %1.2f (VMZAR-II)\n",zd2,2*tubpar[2]+zd2);
1226 zd2 += 2.*tubpar[2];
1229 conpar[1] = 20.2/2.;
1230 conpar[2] = 20.6/2.;
1231 conpar[3] = 23.9/2.;
1232 conpar[4] = 24.3/2.;
1233 TVirtualMC::GetMC()->Gsvolu("QA20", "CONE", idtmed[7], conpar, 5);
1234 TVirtualMC::GetMC()->Gspos("QA20", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1236 //printf(" QA20 CONE from z = %1.2f to z = %1.2f (VMZAR-III)\n",zd2,2*conpar[0]+zd2);
1238 zd2 += 2.*conpar[0];
1240 tubpar[0] = 23.9/2.;
1241 tubpar[1] = 25.5/2.;
1242 tubpar[2] = 17.0/2.;
1243 TVirtualMC::GetMC()->Gsvolu("QA21", "TUBE", idtmed[7], tubpar, 3);
1244 TVirtualMC::GetMC()->Gspos("QA21", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1246 //printf(" QA21 TUBE from z = %1.2f to z = %1.2f (VMZAR-IV)\n",zd2,2*tubpar[2]+zd2);
1248 zd2 += 2.*tubpar[2];
1251 conpar[1] = 23.9/2.;
1252 conpar[2] = 24.3/2.;
1253 conpar[3] = 20.2/2.;
1254 conpar[4] = 20.6/2.;
1255 TVirtualMC::GetMC()->Gsvolu("QA22", "CONE", idtmed[7], conpar, 5);
1256 TVirtualMC::GetMC()->Gspos("QA22", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1258 //printf(" QA22 CONE from z = %1.2f to z = %1.2f (VMZAR-V)\n",zd2,2*conpar[0]+zd2);
1260 zd2 += 2.*conpar[0];
1262 tubpar[0] = 20.2/2.;
1263 tubpar[1] = 20.6/2.;
1264 tubpar[2] = 2.15/2.;
1265 TVirtualMC::GetMC()->Gsvolu("QA23", "TUBE", idtmed[7], tubpar, 3);
1266 TVirtualMC::GetMC()->Gspos("QA23", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1268 //printf(" QA23 TUBE from z = %1.2f to z= %1.2f (VMZAR-VI)\n",zd2,2*tubpar[2]+zd2);
1270 zd2 += 2.*tubpar[2];
1272 // Flange (ID=196 mm)(last part of VMZAR and first part of VCTYD)
1273 tubpar[0] = 19.6/2.;
1274 tubpar[1] = 25.3/2.;
1276 TVirtualMC::GetMC()->Gsvolu("QF02", "TUBE", idtmed[7], tubpar, 3);
1277 TVirtualMC::GetMC()->Gspos("QF02", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1279 //printf(" QF02 TUBE from z = %1.2f to z= %1.2f (VMZAR-VII)\n",zd2,2*tubpar[2]+zd2);
1281 zd2 += 2.*tubpar[2];
1283 // simulation of the trousers (VCTYB)
1284 tubpar[0] = 19.6/2.;
1285 tubpar[1] = 20.0/2.;
1287 TVirtualMC::GetMC()->Gsvolu("QA24", "TUBE", idtmed[7], tubpar, 3);
1288 TVirtualMC::GetMC()->Gspos("QA24", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1290 //printf(" QA24 TUBE from z = %1.2f to z= %1.2f (VCTYB)\n",zd2,2*tubpar[2]+zd2);
1292 zd2 += 2.*tubpar[2];
1294 // transition cone from ID=196. to ID=216.6
1295 conpar[0] = 32.55/2.;
1296 conpar[1] = 19.6/2.;
1297 conpar[2] = 20.0/2.;
1298 conpar[3] = 21.66/2.;
1299 conpar[4] = 22.06/2.;
1300 TVirtualMC::GetMC()->Gsvolu("QA25", "CONE", idtmed[7], conpar, 5);
1301 TVirtualMC::GetMC()->Gspos("QA25", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1303 //printf(" QA25 CONE from z = %1.2f to z= %1.2f (transition cone)\n",zd2,2*conpar[0]+zd2);
1305 zd2 += 2.*conpar[0];
1308 tubpar[0] = 21.66/2.;
1309 tubpar[1] = 22.06/2.;
1310 tubpar[2] = 28.6/2.;
1311 TVirtualMC::GetMC()->Gsvolu("QA26", "TUBE", idtmed[7], tubpar, 3);
1312 TVirtualMC::GetMC()->Gspos("QA26", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1314 //printf(" QA26 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1316 zd2 += 2.*tubpar[2];
1318 //printf(" Begin of recombination chamber z = %1.2f\n",zd2);
1320 // --------------------------------------------------------
1321 // RECOMBINATION CHAMBER IMPLEMENTED USING TGeo CLASSES!!!!
1322 // author: Chiara (June 2008)
1323 // --------------------------------------------------------
1324 // TRANSFORMATION MATRICES
1325 // Combi transformation:
1330 thx = 84.989100; phx = 0.000000;
1331 thy = 90.000000; phy = 90.000000;
1332 thz = 5.010900; phz = 180.000000;
1333 TGeoRotation *rotMatrix1 = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
1334 // Combi transformation:
1338 TGeoCombiTrans *rotMatrix2 = new TGeoCombiTrans("ZDC_c1", dx,dy,dz,rotMatrix1);
1339 rotMatrix2->RegisterYourself();
1340 // Combi transformation:
1345 thx = 95.010900; phx = 0.000000;
1346 thy = 90.000000; phy = 90.000000;
1347 thz = 5.010900; phz = 0.000000;
1348 TGeoRotation *rotMatrix3 = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
1349 TGeoCombiTrans *rotMatrix4 = new TGeoCombiTrans("ZDC_c2", dx,dy,dz,rotMatrix3);
1350 rotMatrix4->RegisterYourself();
1353 // VOLUMES DEFINITION
1355 TGeoVolume *pZDCA = gGeoManager->GetVolume("ZDCA");
1357 conpar[0] = (90.1-0.95-0.26)/2.;
1359 conpar[2] = 21.6/2.;
1362 new TGeoCone("QALext", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
1364 conpar[0] = (90.1-0.95-0.26)/2.;
1366 conpar[2] = 21.2/2.;
1369 new TGeoCone("QALint", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
1372 TGeoCompositeShape *pOutTrousers = new TGeoCompositeShape("outTrousers", "QALext:ZDC_c1+QALext:ZDC_c2");
1375 //TGeoMedium *medZDCFe = gGeoManager->GetMedium("ZDC_ZIRON");
1376 TGeoVolume *pQALext = new TGeoVolume("QALext",pOutTrousers, medZDCFe);
1377 pQALext->SetLineColor(kBlue);
1378 pQALext->SetVisLeaves(kTRUE);
1380 TGeoTranslation *tr1 = new TGeoTranslation(0., 0., (Double_t) conpar[0]+0.95+zd2);
1381 pZDCA->AddNode(pQALext, 1, tr1);
1383 TGeoCompositeShape *pIntTrousers = new TGeoCompositeShape("intTrousers", "QALint:ZDC_c1+QALint:ZDC_c2");
1385 //TGeoMedium *medZDCvoid = gGeoManager->GetMedium("ZDC_ZVOID");
1386 TGeoVolume *pQALint = new TGeoVolume("QALint",pIntTrousers, medZDCvoid);
1387 pQALint->SetLineColor(kAzure);
1388 pQALint->SetVisLeaves(kTRUE);
1389 pQALext->AddNode(pQALint, 1);
1393 //printf(" End of recombination chamber z = %1.2f\n",zd2);
1396 // second section : 2 tubes (ID = 54. OD = 58.)
1399 tubpar[2] = 40.0/2.;
1400 TVirtualMC::GetMC()->Gsvolu("QA27", "TUBE", idtmed[7], tubpar, 3);
1401 TVirtualMC::GetMC()->Gspos("QA27", 1, "ZDCA", -15.8/2., 0., tubpar[2]+zd2, 0, "ONLY");
1402 TVirtualMC::GetMC()->Gspos("QA27", 2, "ZDCA", 15.8/2., 0., tubpar[2]+zd2, 0, "ONLY");
1404 //printf(" QA27 TUBE from z = %1.2f to z= %1.2f (separate pipes)\n",zd2,2*tubpar[2]+zd2);
1406 zd2 += 2.*tubpar[2];
1408 // transition x2zdc to recombination chamber : skewed cone
1409 conpar[0] = (10.-1.)/2.;
1414 TVirtualMC::GetMC()->Gsvolu("QA28", "CONE", idtmed[7], conpar, 5);
1415 TVirtualMC::GetMC()->Gspos("QA28", 1, "ZDCA", -7.9-0.175, 0., conpar[0]+0.5+zd2, irotpipe1, "ONLY");
1416 TVirtualMC::GetMC()->Gspos("QA28", 2, "ZDCA", 7.9+0.175, 0., conpar[0]+0.5+zd2, irotpipe2, "ONLY");
1417 //printf(" QA28 CONE from z = %1.2f to z= %1.2f (transition X2ZDC)\n",zd2,2*conpar[0]+0.2+zd2);
1419 zd2 += 2.*conpar[0]+1.;
1421 // 2 tubes (ID = 63 mm OD=70 mm)
1424 tubpar[2] = (342.5+498.3)/2.;
1425 TVirtualMC::GetMC()->Gsvolu("QA29", "TUBE", idtmed[7], tubpar, 3);
1426 TVirtualMC::GetMC()->Gspos("QA29", 1, "ZDCA", -16.5/2., 0., tubpar[2]+zd2, 0, "ONLY");
1427 TVirtualMC::GetMC()->Gspos("QA29", 2, "ZDCA", 16.5/2., 0., tubpar[2]+zd2, 0, "ONLY");
1428 //printf(" QA29 TUBE from z = %1.2f to z= %1.2f (separate pipes)\n",zd2,2*tubpar[2]+zd2);
1430 zd2 += 2.*tubpar[2];
1432 // -- Luminometer (Cu box) in front of ZN - side A
1436 boxpar[2] = fLumiLength/2.;
1437 TVirtualMC::GetMC()->Gsvolu("QLUA", "BOX ", idtmed[9], boxpar, 3);
1438 TVirtualMC::GetMC()->Gspos("QLUA", 1, "ZDCA", 0., 0., fPosZNA[2]-66.-boxpar[2], 0, "ONLY");
1439 printf(" A SIDE LUMINOMETER %1.2f < z < %1.2f\n\n", fPosZNA[2]-66., fPosZNA[2]-66.-2*boxpar[2]);
1441 printf(" END OF A SIDE BEAM PIPE VOLUME DEFINITION AT z = %f m from IP2\n",zd2/100.);
1444 // ----------------------------------------------------------------
1445 // -- MAGNET DEFINITION -> LHC OPTICS 6.5
1446 // ----------------------------------------------------------------
1447 // ***************************************************************
1448 // SIDE C - RB26 (dimuon side)
1449 // ***************************************************************
1450 // -- COMPENSATOR DIPOLE (MBXW)
1453 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1456 tubpar[2] = 153./2.;
1457 TVirtualMC::GetMC()->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3);
1462 tubpar[2] = 153./2.;
1463 TVirtualMC::GetMC()->Gsvolu("YMBX", "TUBE", idtmed[7], tubpar, 3);
1465 TVirtualMC::GetMC()->Gspos("MBXW", 1, "ZDCC", 0., 0., -tubpar[2]-zCorrDip, 0, "ONLY");
1466 TVirtualMC::GetMC()->Gspos("YMBX", 1, "ZDCC", 0., 0., -tubpar[2]-zCorrDip, 0, "ONLY");
1472 // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT
1474 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1477 tubpar[2] = 637./2.;
1478 TVirtualMC::GetMC()->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3);
1483 tubpar[2] = 637./2.;
1484 TVirtualMC::GetMC()->Gsvolu("YMQL", "TUBE", idtmed[7], tubpar, 3);
1486 TVirtualMC::GetMC()->Gspos("MQXL", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip, 0, "ONLY");
1487 TVirtualMC::GetMC()->Gspos("YMQL", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip, 0, "ONLY");
1489 TVirtualMC::GetMC()->Gspos("MQXL", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-2400., 0, "ONLY");
1490 TVirtualMC::GetMC()->Gspos("YMQL", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-2400., 0, "ONLY");
1493 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1496 tubpar[2] = 550./2.;
1497 TVirtualMC::GetMC()->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3);
1502 tubpar[2] = 550./2.;
1503 TVirtualMC::GetMC()->Gsvolu("YMQ ", "TUBE", idtmed[7], tubpar, 3);
1505 TVirtualMC::GetMC()->Gspos("MQX ", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-908.5, 0, "ONLY");
1506 TVirtualMC::GetMC()->Gspos("YMQ ", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-908.5, 0, "ONLY");
1508 TVirtualMC::GetMC()->Gspos("MQX ", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-1558.5, 0, "ONLY");
1509 TVirtualMC::GetMC()->Gspos("YMQ ", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-1558.5, 0, "ONLY");
1511 // -- SEPARATOR DIPOLE D1
1514 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1517 tubpar[2] = 945./2.;
1518 TVirtualMC::GetMC()->Gsvolu("MD1 ", "TUBE", idtmed[11], tubpar, 3);
1520 // -- Insert horizontal Cu plates inside D1
1521 // -- (to simulate the vacuum chamber)
1522 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.98+0.2)*(2.98+0.2)) - 0.05;
1524 boxpar[2] = 945./2.;
1525 TVirtualMC::GetMC()->Gsvolu("MD1V", "BOX ", idtmed[6], boxpar, 3);
1526 TVirtualMC::GetMC()->Gspos("MD1V", 1, "MD1 ", 0., 2.98+boxpar[1], 0., 0, "ONLY");
1527 TVirtualMC::GetMC()->Gspos("MD1V", 2, "MD1 ", 0., -2.98-boxpar[1], 0., 0, "ONLY");
1531 tubpar[1] = 110./2.;
1532 tubpar[2] = 945./2.;
1533 TVirtualMC::GetMC()->Gsvolu("YD1 ", "TUBE", idtmed[7], tubpar, 3);
1535 TVirtualMC::GetMC()->Gspos("YD1 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD1, 0, "ONLY");
1536 TVirtualMC::GetMC()->Gspos("MD1 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD1, 0, "ONLY");
1538 //printf(" MD1 from z = %1.2f to z= %1.2f cm\n",-zD1, -zD1-2*tubpar[2]);
1542 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1545 tubpar[2] = 945./2.;
1546 TVirtualMC::GetMC()->Gsvolu("MD2 ", "TUBE", idtmed[11], tubpar, 3);
1551 tubpar[2] = 945./2.;
1552 TVirtualMC::GetMC()->Gsvolu("YD2 ", "TUBE", idtmed[7], tubpar, 3);
1554 TVirtualMC::GetMC()->Gspos("YD2 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD2, 0, "ONLY");
1556 //printf(" YD2 from z = %1.2f to z= %1.2f cm\n",-zD2, -zD2-2*tubpar[2]);
1558 TVirtualMC::GetMC()->Gspos("MD2 ", 1, "YD2 ", -9.4, 0., 0., 0, "ONLY");
1559 TVirtualMC::GetMC()->Gspos("MD2 ", 2, "YD2 ", 9.4, 0., 0., 0, "ONLY");
1561 // ***************************************************************
1563 // ***************************************************************
1565 // COMPENSATOR DIPOLE (MCBWA) (2nd compensator)
1566 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1569 tubpar[2] = 153./2.;
1570 TVirtualMC::GetMC()->Gsvolu("MCBW", "TUBE", idtmed[11], tubpar, 3);
1571 TVirtualMC::GetMC()->Gspos("MCBW", 1, "ZDCA", 0., 0., tubpar[2]+zCorrDip, 0, "ONLY");
1576 tubpar[2] = 153./2.;
1577 TVirtualMC::GetMC()->Gsvolu("YMCB", "TUBE", idtmed[7], tubpar, 3);
1578 TVirtualMC::GetMC()->Gspos("YMCB", 1, "ZDCA", 0., 0., tubpar[2]+zCorrDip, 0, "ONLY");
1581 // -- DEFINE MQX1 AND MQX2 QUADRUPOLE ELEMENT
1583 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1586 tubpar[2] = 637./2.;
1587 TVirtualMC::GetMC()->Gsvolu("MQX1", "TUBE", idtmed[11], tubpar, 3);
1588 TVirtualMC::GetMC()->Gsvolu("MQX4", "TUBE", idtmed[11], tubpar, 3);
1593 tubpar[2] = 637./2.;
1594 TVirtualMC::GetMC()->Gsvolu("YMQ1", "TUBE", idtmed[7], tubpar, 3);
1597 TVirtualMC::GetMC()->Gspos("MQX1", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip, 0, "ONLY");
1598 TVirtualMC::GetMC()->Gspos("YMQ1", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip, 0, "ONLY");
1600 // -- BEAM SCREEN FOR Q1
1601 tubpar[0] = 4.78/2.;
1602 tubpar[1] = 5.18/2.;
1603 tubpar[2] = 637./2.;
1604 TVirtualMC::GetMC()->Gsvolu("QBS1", "TUBE", idtmed[6], tubpar, 3);
1605 TVirtualMC::GetMC()->Gspos("QBS1", 1, "MQX1", 0., 0., 0., 0, "ONLY");
1606 // INSERT VERTICAL PLATE INSIDE Q1
1607 boxpar[0] = 0.2/2.0;
1608 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(1.9+0.2)*(1.9+0.2));
1610 TVirtualMC::GetMC()->Gsvolu("QBS2", "BOX ", idtmed[6], boxpar, 3);
1611 TVirtualMC::GetMC()->Gspos("QBS2", 1, "MQX1", 1.9+boxpar[0], 0., 0., 0, "ONLY");
1612 TVirtualMC::GetMC()->Gspos("QBS2", 2, "MQX1", -1.9-boxpar[0], 0., 0., 0, "ONLY");
1615 TVirtualMC::GetMC()->Gspos("MQX4", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+2400., 0, "ONLY");
1616 TVirtualMC::GetMC()->Gspos("YMQ1", 2, "ZDCA", 0., 0., tubpar[2]+zInnTrip+2400., 0, "ONLY");
1618 // -- BEAM SCREEN FOR Q3
1619 tubpar[0] = 5.79/2.;
1620 tubpar[1] = 6.14/2.;
1621 tubpar[2] = 637./2.;
1622 TVirtualMC::GetMC()->Gsvolu("QBS3", "TUBE", idtmed[6], tubpar, 3);
1623 TVirtualMC::GetMC()->Gspos("QBS3", 1, "MQX4", 0., 0., 0., 0, "ONLY");
1624 // INSERT VERTICAL PLATE INSIDE Q3
1625 boxpar[0] = 0.2/2.0;
1626 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(2.405+0.2)*(2.405+0.2));
1628 TVirtualMC::GetMC()->Gsvolu("QBS4", "BOX ", idtmed[6], boxpar, 3);
1629 TVirtualMC::GetMC()->Gspos("QBS4", 1, "MQX4", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1630 TVirtualMC::GetMC()->Gspos("QBS4", 2, "MQX4", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1635 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1638 tubpar[2] = 550./2.;
1639 TVirtualMC::GetMC()->Gsvolu("MQX2", "TUBE", idtmed[11], tubpar, 3);
1640 TVirtualMC::GetMC()->Gsvolu("MQX3", "TUBE", idtmed[11], tubpar, 3);
1645 tubpar[2] = 550./2.;
1646 TVirtualMC::GetMC()->Gsvolu("YMQ2", "TUBE", idtmed[7], tubpar, 3);
1648 // -- BEAM SCREEN FOR Q2
1649 tubpar[0] = 5.79/2.;
1650 tubpar[1] = 6.14/2.;
1651 tubpar[2] = 550./2.;
1652 TVirtualMC::GetMC()->Gsvolu("QBS5", "TUBE", idtmed[6], tubpar, 3);
1653 // VERTICAL PLATE INSIDE Q2
1654 boxpar[0] = 0.2/2.0;
1655 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(2.405+0.2)*(2.405+0.2));
1657 TVirtualMC::GetMC()->Gsvolu("QBS6", "BOX ", idtmed[6], boxpar, 3);
1660 TVirtualMC::GetMC()->Gspos("MQX2", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+908.5, 0, "ONLY");
1661 TVirtualMC::GetMC()->Gspos("QBS5", 1, "MQX2", 0., 0., 0., 0, "ONLY");
1662 TVirtualMC::GetMC()->Gspos("QBS6", 1, "MQX2", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1663 TVirtualMC::GetMC()->Gspos("QBS6", 2, "MQX2", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1664 TVirtualMC::GetMC()->Gspos("YMQ2", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+908.5, 0, "ONLY");
1668 TVirtualMC::GetMC()->Gspos("MQX3", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+1558.5, 0, "ONLY");
1669 TVirtualMC::GetMC()->Gspos("QBS5", 2, "MQX3", 0., 0., 0., 0, "ONLY");
1670 TVirtualMC::GetMC()->Gspos("QBS6", 3, "MQX3", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1671 TVirtualMC::GetMC()->Gspos("QBS6", 4, "MQX3", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1672 TVirtualMC::GetMC()->Gspos("YMQ2", 2, "ZDCA", 0., 0., tubpar[2]+zInnTrip+1558.5, 0, "ONLY");
1674 // -- SEPARATOR DIPOLE D1
1675 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1677 tubpar[1] = 6.75/2.;//3.375
1678 tubpar[2] = 945./2.;
1679 TVirtualMC::GetMC()->Gsvolu("MD1L", "TUBE", idtmed[11], tubpar, 3);
1681 // -- The beam screen tube is provided by the beam pipe in D1 (QA03 volume)
1682 // -- Insert the beam screen horizontal Cu plates inside D1
1683 // -- (to simulate the vacuum chamber)
1684 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.885+0.2)*(2.885+0.2));
1687 TVirtualMC::GetMC()->Gsvolu("QBS7", "BOX ", idtmed[6], boxpar, 3);
1688 TVirtualMC::GetMC()->Gspos("QBS7", 1, "MD1L", 0., 2.885+boxpar[1],0., 0, "ONLY");
1689 TVirtualMC::GetMC()->Gspos("QBS7", 2, "MD1L", 0., -2.885-boxpar[1],0., 0, "ONLY");
1694 tubpar[2] = 945./2.;
1695 TVirtualMC::GetMC()->Gsvolu("YD1L", "TUBE", idtmed[7], tubpar, 3);
1697 TVirtualMC::GetMC()->Gspos("YD1L", 1, "ZDCA", 0., 0., tubpar[2]+zD1, 0, "ONLY");
1698 TVirtualMC::GetMC()->Gspos("MD1L", 1, "ZDCA", 0., 0., tubpar[2]+zD1, 0, "ONLY");
1701 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1703 tubpar[1] = 7.5/2.; // this has to be checked
1704 tubpar[2] = 945./2.;
1705 TVirtualMC::GetMC()->Gsvolu("MD2L", "TUBE", idtmed[11], tubpar, 3);
1710 tubpar[2] = 945./2.;
1711 TVirtualMC::GetMC()->Gsvolu("YD2L", "TUBE", idtmed[7], tubpar, 3);
1713 TVirtualMC::GetMC()->Gspos("YD2L", 1, "ZDCA", 0., 0., tubpar[2]+zD2, 0, "ONLY");
1715 TVirtualMC::GetMC()->Gspos("MD2L", 1, "YD2L", -9.4, 0., 0., 0, "ONLY");
1716 TVirtualMC::GetMC()->Gspos("MD2L", 2, "YD2L", 9.4, 0., 0., 0, "ONLY");
1718 // -- END OF MAGNET DEFINITION
1721 //_____________________________________________________________________________
1722 void AliZDCv4::CreateZDC()
1725 // Create the various ZDCs (ZN + ZP)
1728 Float_t dimPb[6], dimVoid[6];
1730 Int_t *idtmed = fIdtmed->GetArray();
1732 // Parameters for EM calorimeter geometry
1733 // NB -> parameters used ONLY in CreateZDC()
1734 Float_t kDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
1735 Float_t kFibRadZEM = 0.0315; // External fiber radius (including cladding)
1736 Int_t fDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
1737 Float_t fDimZEM[6] = {fZEMLength, 3.5, 3.5, 45., 0., 0.}; // Dimensions of EM detector
1738 Float_t fFibZEM2 = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-kFibRadZEM;
1739 Float_t fFibZEM[3] = {0., 0.0275, fFibZEM2}; // Fibers for EM calorimeter
1742 // Parameters for hadronic calorimeters geometry
1743 // NB -> parameters used ONLY in CreateZDC()
1744 Float_t fGrvZN[3] = {0.03, 0.03, 50.}; // Grooves for neutron detector
1745 Float_t fGrvZP[3] = {0.04, 0.04, 75.}; // Grooves for proton detector
1746 Int_t fDivZN[3] = {11, 11, 0}; // Division for neutron detector
1747 Int_t fDivZP[3] = {7, 15, 0}; // Division for proton detector
1748 Int_t fTowZN[2] = {2, 2}; // Tower for neutron detector
1749 Int_t fTowZP[2] = {4, 1}; // Tower for proton detector
1753 //-- Create calorimeters geometry
1755 // -------------------------------------------------------------------------------
1756 //--> Neutron calorimeter (ZN)
1758 TVirtualMC::GetMC()->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material
1759 TVirtualMC::GetMC()->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material
1760 TVirtualMC::GetMC()->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3);
1761 TVirtualMC::GetMC()->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3);
1762 TVirtualMC::GetMC()->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3);
1763 TVirtualMC::GetMC()->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves
1764 TVirtualMC::GetMC()->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3);
1765 TVirtualMC::GetMC()->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3);
1766 TVirtualMC::GetMC()->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3);
1768 // Divide ZNEU in towers (for hits purposes)
1770 TVirtualMC::GetMC()->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower
1771 TVirtualMC::GetMC()->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower
1773 //-- Divide ZN1 in minitowers
1774 // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS,
1775 // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS
1776 // (4 fibres per minitower)
1778 TVirtualMC::GetMC()->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices
1779 TVirtualMC::GetMC()->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks
1781 // --- Position the empty grooves in the sticks (4 grooves per stick)
1782 Float_t dx = fDimZN[0] / fDivZN[0] / 4.;
1783 Float_t dy = fDimZN[1] / fDivZN[1] / 4.;
1785 TVirtualMC::GetMC()->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY");
1786 TVirtualMC::GetMC()->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY");
1787 TVirtualMC::GetMC()->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY");
1788 TVirtualMC::GetMC()->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY");
1790 // --- Position the fibers in the grooves
1791 TVirtualMC::GetMC()->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY");
1792 TVirtualMC::GetMC()->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY");
1793 TVirtualMC::GetMC()->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY");
1794 TVirtualMC::GetMC()->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY");
1796 // --- Position the neutron calorimeter in ZDC
1797 // -- Rotation of ZDCs
1799 TVirtualMC::GetMC()->Matrix(irotzdc, 90., 180., 90., 90., 180., 0.);
1801 TVirtualMC::GetMC()->Gspos("ZNEU", 1, "ZDCC", fPosZNC[0], fPosZNC[1], fPosZNC[2]-fDimZN[2], irotzdc, "ONLY");
1803 //printf("\n ZN -> %f < z < %f cm\n",fPosZN[2],fPosZN[2]-2*fDimZN[2]);
1805 // --- Position the neutron calorimeter in ZDC2 (left line)
1806 // -- No Rotation of ZDCs
1807 TVirtualMC::GetMC()->Gspos("ZNEU", 2, "ZDCA", fPosZNA[0], fPosZNA[1], fPosZNA[2]+fDimZN[2], 0, "ONLY");
1809 //printf("\n ZN left -> %f < z < %f cm\n",fPosZNl[2],fPosZNl[2]+2*fDimZN[2]);
1812 // -------------------------------------------------------------------------------
1813 //--> Proton calorimeter (ZP)
1815 TVirtualMC::GetMC()->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material
1816 TVirtualMC::GetMC()->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material
1817 TVirtualMC::GetMC()->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3);
1818 TVirtualMC::GetMC()->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3);
1819 TVirtualMC::GetMC()->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3);
1820 TVirtualMC::GetMC()->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves
1821 TVirtualMC::GetMC()->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3);
1822 TVirtualMC::GetMC()->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3);
1823 TVirtualMC::GetMC()->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3);
1825 //-- Divide ZPRO in towers(for hits purposes)
1827 TVirtualMC::GetMC()->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower
1828 TVirtualMC::GetMC()->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower
1831 //-- Divide ZP1 in minitowers
1832 // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER,
1833 // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER
1834 // (4 fiber per minitower)
1836 TVirtualMC::GetMC()->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices
1837 TVirtualMC::GetMC()->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks
1839 // --- Position the empty grooves in the sticks (4 grooves per stick)
1840 dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.;
1841 dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.;
1843 TVirtualMC::GetMC()->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY");
1844 TVirtualMC::GetMC()->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY");
1845 TVirtualMC::GetMC()->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY");
1846 TVirtualMC::GetMC()->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY");
1848 // --- Position the fibers in the grooves
1849 TVirtualMC::GetMC()->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY");
1850 TVirtualMC::GetMC()->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY");
1851 TVirtualMC::GetMC()->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY");
1852 TVirtualMC::GetMC()->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY");
1855 // --- Position the proton calorimeter in ZDCC
1856 TVirtualMC::GetMC()->Gspos("ZPRO", 1, "ZDCC", fPosZPC[0], fPosZPC[1], fPosZPC[2]-fDimZP[2], irotzdc, "ONLY");
1858 //printf("\n ZP -> %f < z < %f cm\n",fPosZP[2],fPosZP[2]-2*fDimZP[2]);
1860 // --- Position the proton calorimeter in ZDCA
1862 TVirtualMC::GetMC()->Gspos("ZPRO", 2, "ZDCA", fPosZPA[0], fPosZPA[1], fPosZPA[2]+fDimZP[2], 0, "ONLY");
1864 //printf("\n ZP left -> %f < z < %f cm\n",fPosZPl[2],fPosZPl[2]+2*fDimZP[2]);
1867 // -------------------------------------------------------------------------------
1868 // -> EM calorimeter (ZEM)
1870 TVirtualMC::GetMC()->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6);
1873 TVirtualMC::GetMC()->Matrix(irot1,0.,0.,90.,90.,-90.,0.); // Rotation matrix 1
1874 TVirtualMC::GetMC()->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]);// Rotation matrix 2
1875 //printf("irot1 = %d, irot2 = %d \n", irot1, irot2);
1877 TVirtualMC::GetMC()->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material
1879 TVirtualMC::GetMC()->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches
1881 dimPb[0] = kDimZEMPb; // Lead slices
1882 dimPb[1] = fDimZEM[2];
1883 dimPb[2] = fDimZEM[1];
1884 //dimPb[3] = fDimZEM[3]; //controllare
1885 dimPb[3] = 90.-fDimZEM[3]; //originale
1888 TVirtualMC::GetMC()->Gsvolu("ZEL0", "PARA", idtmed[5], dimPb, 6);
1889 TVirtualMC::GetMC()->Gsvolu("ZEL1", "PARA", idtmed[5], dimPb, 6);
1890 TVirtualMC::GetMC()->Gsvolu("ZEL2", "PARA", idtmed[5], dimPb, 6);
1892 // --- Position the lead slices in the tranche
1893 Float_t zTran = fDimZEM[0]/fDivZEM[2];
1894 Float_t zTrPb = -zTran+kDimZEMPb;
1895 TVirtualMC::GetMC()->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY");
1896 TVirtualMC::GetMC()->Gspos("ZEL1", 1, "ZETR", kDimZEMPb, 0., 0., 0, "ONLY");
1898 // --- Vacuum zone (to be filled with fibres)
1899 dimVoid[0] = (zTran-2*kDimZEMPb)/2.;
1900 dimVoid[1] = fDimZEM[2];
1901 dimVoid[2] = fDimZEM[1];
1902 dimVoid[3] = 90.-fDimZEM[3];
1905 TVirtualMC::GetMC()->Gsvolu("ZEV0", "PARA", idtmed[10], dimVoid,6);
1906 TVirtualMC::GetMC()->Gsvolu("ZEV1", "PARA", idtmed[10], dimVoid,6);
1908 // --- Divide the vacuum slice into sticks along x axis
1909 TVirtualMC::GetMC()->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3);
1910 TVirtualMC::GetMC()->Gsdvn("ZES1", "ZEV1", fDivZEM[0], 3);
1912 // --- Positioning the fibers into the sticks
1913 TVirtualMC::GetMC()->Gspos("ZEMF", 1,"ZES0", 0., 0., 0., irot2, "ONLY");
1914 TVirtualMC::GetMC()->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY");
1916 // --- Positioning the vacuum slice into the tranche
1917 //Float_t displFib = fDimZEM[1]/fDivZEM[0];
1918 TVirtualMC::GetMC()->Gspos("ZEV0", 1,"ZETR", -dimVoid[0], 0., 0., 0, "ONLY");
1919 TVirtualMC::GetMC()->Gspos("ZEV1", 1,"ZETR", -dimVoid[0]+zTran, 0., 0., 0, "ONLY");
1921 // --- Positioning the ZEM into the ZDC - rotation for 90 degrees
1922 // NB -> ZEM is positioned in ALIC (instead of in ZDC) volume
1923 TVirtualMC::GetMC()->Gspos("ZEM ", 1,"ALIC", -fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
1925 // Second EM ZDC (same side w.r.t. IP, just on the other side w.r.t. beam pipe)
1926 TVirtualMC::GetMC()->Gspos("ZEM ", 2,"ALIC", fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
1928 // --- Adding last slice at the end of the EM calorimeter
1929 Float_t zLastSlice = fPosZEM[2]+kDimZEMPb+2*fDimZEM[0];
1930 TVirtualMC::GetMC()->Gspos("ZEL2", 1,"ALIC", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY");
1932 //printf("\n ZEM lenght = %f cm\n",2*fZEMLength);
1933 //printf("\n ZEM -> %f < z < %f cm\n",fPosZEM[2],fPosZEM[2]+2*fZEMLength+zLastSlice+kDimZEMPb);
1937 //_____________________________________________________________________________
1938 void AliZDCv4::CreateMaterials()
1941 // Create Materials for the Zero Degree Calorimeter
1943 Float_t dens, ubuf[1], wmat[3], a[3], z[3];
1945 // --- W alloy -> ZN passive material
1956 AliMixture(1, "WALL", a, z, dens, 3, wmat);
1958 // --- Brass (CuZn) -> ZP passive material
1966 AliMixture(2, "BRASS", a, z, dens, 2, wmat);
1976 AliMixture(3, "SIO2", a, z, dens, -2, wmat);
1980 AliMaterial(5, "LEAD", 207.19, 82., 11.35, .56, 0., ubuf, 1);
1982 // --- Copper (energy loss taken into account)
1984 AliMaterial(6, "COPP0", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
1988 AliMaterial(9, "COPP1", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
1990 // --- Iron (energy loss taken into account)
1992 AliMaterial(7, "IRON0", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
1994 // --- Iron (no energy loss)
1996 AliMaterial(8, "IRON1", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
2000 AliMaterial(13, "TANT", 183.84, 74., 19.3, 0.35, 0., ubuf, 1);
2002 // ---------------------------------------------------------
2003 Float_t aResGas[3]={1.008,12.0107,15.9994};
2004 Float_t zResGas[3]={1.,6.,8.};
2005 Float_t wResGas[3]={0.28,0.28,0.44};
2006 Float_t dResGas = 3.2E-14;
2008 // --- Vacuum (no magnetic field)
2009 AliMixture(10, "VOID", aResGas, zResGas, dResGas, 3, wResGas);
2011 // --- Vacuum (with magnetic field)
2012 AliMixture(11, "VOIM", aResGas, zResGas, dResGas, 3, wResGas);
2014 // --- Air (no magnetic field)
2015 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
2016 Float_t zAir[4]={6.,7.,8.,18.};
2017 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
2018 Float_t dAir = 1.20479E-3;
2020 AliMixture(12, "Air $", aAir, zAir, dAir, 4, wAir);
2022 // --- Definition of tracking media:
2024 // --- Tantalum = 1 ;
2026 // --- Fibers (SiO2) = 3 ;
2027 // --- Fibers (SiO2) = 4 ;
2029 // --- Copper (with high thr.)= 6 ;
2030 // --- Copper (with low thr.)= 9;
2031 // --- Iron (with energy loss) = 7 ;
2032 // --- Iron (without energy loss) = 8 ;
2033 // --- Vacuum (no field) = 10
2034 // --- Vacuum (with field) = 11
2035 // --- Air (no field) = 12
2037 // ****************************************************
2038 // Tracking media parameters
2040 Float_t epsil = 0.01; // Tracking precision,
2041 Float_t stmin = 0.01; // Min. value 4 max. step (cm)
2042 Float_t stemax = 1.; // Max. step permitted (cm)
2043 Float_t tmaxfd = 0.; // Maximum angle due to field (degrees)
2044 Float_t tmaxfdv = 0.1; // Maximum angle due to field (degrees)
2045 Float_t deemax = -1.; // Maximum fractional energy loss
2046 Float_t nofieldm = 0.; // Max. field value (no field)
2047 Float_t fieldm = 45.; // Max. field value (with field)
2048 Int_t isvol = 0; // ISVOL =0 -> not sensitive volume
2049 Int_t isvolActive = 1; // ISVOL =1 -> sensitive volume
2050 Int_t inofld = 0; // IFIELD=0 -> no magnetic field
2051 Int_t ifield =2; // IFIELD=2 -> magnetic field defined in AliMagFC.h
2052 // *****************************************************
2054 AliMedium(1, "ZWALL", 1, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2055 AliMedium(2, "ZBRASS",2, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2056 AliMedium(3, "ZSIO2", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2057 AliMedium(4, "ZQUAR", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2058 AliMedium(5, "ZLEAD", 5, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2059 AliMedium(6, "ZCOPP", 6, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2060 AliMedium(7, "ZIRON", 7, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2061 AliMedium(8, "ZIRONN",8, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2062 AliMedium(9, "ZCOPL", 6, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2063 AliMedium(10,"ZVOID",10, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2064 AliMedium(11,"ZVOIM",11, isvol, ifield, fieldm, tmaxfdv, stemax, deemax, epsil, stmin);
2065 AliMedium(12,"ZAIR", 12, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2066 AliMedium(13,"ZTANT",13, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2067 AliMedium(14, "ZIRONT", 7, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2071 //_____________________________________________________________________________
2072 void AliZDCv4::AddAlignableVolumes() const
2075 // Create entries for alignable volumes associating the symbolic volume
2076 // name with the corresponding volume path. Needs to be syncronized with
2077 // eventual changes in the geometry.
2079 if(fOnlyZEM) return;
2081 TString volpath1 = "ALIC_1/ZDCC_1/ZNEU_1";
2082 TString volpath2 = "ALIC_1/ZDCC_1/ZPRO_1";
2083 TString volpath3 = "ALIC_1/ZDCA_1/ZNEU_2";
2084 TString volpath4 = "ALIC_1/ZDCA_1/ZPRO_2";
2086 TString symname1="ZDC/NeutronZDC_C";
2087 TString symname2="ZDC/ProtonZDC_C";
2088 TString symname3="ZDC/NeutronZDC_A";
2089 TString symname4="ZDC/ProtonZDC_A";
2091 if(!gGeoManager->SetAlignableEntry(symname1.Data(),volpath1.Data()))
2092 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname1.Data(),volpath1.Data()));
2094 if(!gGeoManager->SetAlignableEntry(symname2.Data(),volpath2.Data()))
2095 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname2.Data(),volpath2.Data()));
2097 if(!gGeoManager->SetAlignableEntry(symname3.Data(),volpath3.Data()))
2098 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname1.Data(),volpath1.Data()));
2100 if(!gGeoManager->SetAlignableEntry(symname4.Data(),volpath4.Data()))
2101 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname2.Data(),volpath2.Data()));
2106 //_____________________________________________________________________________
2107 void AliZDCv4::Init()
2110 Int_t *idtmed = fIdtmed->GetArray();
2112 fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material
2113 fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material
2114 fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1
2115 fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2
2116 fMedSensZEM = idtmed[5]; // Sensitive volume: ZEM passive material
2117 fMedSensTDI = idtmed[6]; // Sensitive volume: TDI Cu shield
2118 fMedSensPI = idtmed[7]; // Sensitive volume: beam pipes
2119 fMedSensLumi = idtmed[9]; // Sensitive volume: luminometer
2120 fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves
2121 fMedSensVColl = idtmed[13]; // Sensitive volume: collimator jaws
2124 //_____________________________________________________________________________
2125 void AliZDCv4::InitTables()
2128 // Read light tables for Cerenkov light production parameterization
2134 // --- Reading light tables for ZN
2135 char *lightfName1 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362207s");
2136 FILE *fp1 = fopen(lightfName1,"r");
2138 printf("Cannot open file fp1 \n");
2142 for(k=0; k<fNalfan; k++){
2143 for(j=0; j<fNben; j++){
2144 read = fscanf(fp1,"%f",&fTablen[0][k][j]);
2145 if(read==0) AliDebug(3, " Error in reading light table 1");
2150 char *lightfName2 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362208s");
2151 FILE *fp2 = fopen(lightfName2,"r");
2153 printf("Cannot open file fp2 \n");
2157 for(k=0; k<fNalfan; k++){
2158 for(j=0; j<fNben; j++){
2159 read = fscanf(fp2,"%f",&fTablen[1][k][j]);
2160 if(read==0) AliDebug(3, " Error in reading light table 2");
2165 char *lightfName3 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362209s");
2166 FILE *fp3 = fopen(lightfName3,"r");
2168 printf("Cannot open file fp3 \n");
2172 for(k=0; k<fNalfan; k++){
2173 for(j=0; j<fNben; j++){
2174 read = fscanf(fp3,"%f",&fTablen[2][k][j]);
2175 if(read==0) AliDebug(3, " Error in reading light table 3");
2180 char *lightfName4 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362210s");
2181 FILE *fp4 = fopen(lightfName4,"r");
2183 printf("Cannot open file fp4 \n");
2187 for(k=0; k<fNalfan; k++){
2188 for(j=0; j<fNben; j++){
2189 read = fscanf(fp4,"%f",&fTablen[3][k][j]);
2190 if(read==0) AliDebug(3, " Error in reading light table 4");
2196 // --- Reading light tables for ZP and ZEM
2197 char *lightfName5 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552207s");
2198 FILE *fp5 = fopen(lightfName5,"r");
2200 printf("Cannot open file fp5 \n");
2204 for(k=0; k<fNalfap; k++){
2205 for(j=0; j<fNbep; j++){
2206 read = fscanf(fp5,"%f",&fTablep[0][k][j]);
2207 if(read==0) AliDebug(3, " Error in reading light table 5");
2212 char *lightfName6 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552208s");
2213 FILE *fp6 = fopen(lightfName6,"r");
2215 printf("Cannot open file fp6 \n");
2219 for(k=0; k<fNalfap; k++){
2220 for(j=0; j<fNbep; j++){
2221 read = fscanf(fp6,"%f",&fTablep[1][k][j]);
2222 if(read==0) AliDebug(3, " Error in reading light table 6");
2227 char *lightfName7 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552209s");
2228 FILE *fp7 = fopen(lightfName7,"r");
2230 printf("Cannot open file fp7 \n");
2234 for(k=0; k<fNalfap; k++){
2235 for(j=0; j<fNbep; j++){
2236 read = fscanf(fp7,"%f",&fTablep[2][k][j]);
2237 if(read==0) AliDebug(3, " Error in reading light table 7");
2242 char *lightfName8 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552210s");
2243 FILE *fp8 = fopen(lightfName8,"r");
2245 printf("Cannot open file fp8 \n");
2249 for(k=0; k<fNalfap; k++){
2250 for(j=0; j<fNbep; j++){
2251 read = fscanf(fp8,"%f",&fTablep[3][k][j]);
2252 if(read==0) AliDebug(3, " Error in reading light table 8");
2259 //_____________________________________________________________________________
2260 void AliZDCv4::StepManager()
2263 // Routine called at every step in the Zero Degree Calorimeters
2265 Int_t j, vol[2]={0,0}, ibeta=0, ialfa=0, ibe=0, nphe=0;
2266 Float_t hits[14], x[3], xdet[3]={999.,999.,999.}, um[3], ud[3];
2267 Float_t destep=0., be=0., out=0.;
2268 Double_t s[3], p[4];
2271 for(j=0;j<14;j++) hits[j]=-999.;
2273 // --- This part is for no shower developement in beam pipe, TDI, VColl
2274 // If particle interacts with beam pipe, TDI, VColl -> return
2275 if(fNoShower==1 && ((TVirtualMC::GetMC()->CurrentMedium() == fMedSensPI) || (TVirtualMC::GetMC()->CurrentMedium() == fMedSensTDI) ||
2276 (TVirtualMC::GetMC()->CurrentMedium() == fMedSensVColl || (TVirtualMC::GetMC()->CurrentMedium() == fMedSensLumi)))){
2278 // If option NoShower is set -> StopTrack
2281 TVirtualMC::GetMC()->TrackPosition(s[0],s[1],s[2]);
2282 if(TVirtualMC::GetMC()->CurrentMedium() == fMedSensPI){
2283 knamed = TVirtualMC::GetMC()->CurrentVolName();
2284 if(!strncmp(knamed,"YMQ",3)){
2285 if(s[2]<0) fpLostITC += 1;
2286 else fpLostITA += 1;
2289 else if(!strncmp(knamed,"YD1",3)){
2290 if(s[2]<0) fpLostD1C += 1;
2291 else fpLostD1A += 1;
2295 else if(TVirtualMC::GetMC()->CurrentMedium() == fMedSensTDI){
2296 knamed = TVirtualMC::GetMC()->CurrentVolName();
2297 if(!strncmp(knamed,"MD1",3)){
2298 if(s[2]<0) fpLostD1C += 1;
2299 else fpLostD1A += 1;
2302 else if(!strncmp(knamed,"QTD",3)) fpLostTDI += 1;
2304 else if(TVirtualMC::GetMC()->CurrentMedium() == fMedSensVColl){
2305 knamed = TVirtualMC::GetMC()->CurrentVolName();
2306 if(!strncmp(knamed,"QCVC",4)) fpcVCollC++;
2307 else if(!strncmp(knamed,"QCVA",4)) fpcVCollA++;
2311 //TVirtualMC::GetMC()->TrackMomentum(p[0], p[1], p[2], p[3]);
2312 //printf("\t Particle: mass = %1.3f, E = %1.3f GeV, pz = %1.2f GeV -> stopped in volume %s\n",
2313 // TVirtualMC::GetMC()->TrackMass(), p[3], p[2], TVirtualMC::GetMC()->CurrentVolName());
2316 printf("\n\t **********************************\n");
2317 printf("\t ********** Side C **********\n");
2318 printf("\t # of particles in IT = %d\n",fpLostITC);
2319 printf("\t # of particles in D1 = %d\n",fpLostD1C);
2320 printf("\t # of particles in VColl = %d\n",fpcVCollC);
2321 printf("\t ********** Side A **********\n");
2322 printf("\t # of particles in IT = %d\n",fpLostITA);
2323 printf("\t # of particles in D1 = %d\n",fpLostD1A);
2324 printf("\t # of particles in TDI = %d\n",fpLostTDI);
2325 printf("\t # of particles in VColl = %d\n",fpcVCollA);
2326 printf("\t **********************************\n");
2328 TVirtualMC::GetMC()->StopTrack();
2332 if((TVirtualMC::GetMC()->CurrentMedium() == fMedSensZN) || (TVirtualMC::GetMC()->CurrentMedium() == fMedSensZP) ||
2333 (TVirtualMC::GetMC()->CurrentMedium() == fMedSensGR) || (TVirtualMC::GetMC()->CurrentMedium() == fMedSensF1) ||
2334 (TVirtualMC::GetMC()->CurrentMedium() == fMedSensF2) || (TVirtualMC::GetMC()->CurrentMedium() == fMedSensZEM)){
2337 //Particle coordinates
2338 TVirtualMC::GetMC()->TrackPosition(s[0],s[1],s[2]);
2339 for(j=0; j<=2; j++) x[j] = s[j];
2344 // Determine in which ZDC the particle is
2345 knamed = TVirtualMC::GetMC()->CurrentVolName();
2346 if(!strncmp(knamed,"ZN",2)){
2347 if(x[2]<0.) vol[0]=1; // ZNC (dimuon side)
2348 else if(x[2]>0.) vol[0]=4; //ZNA
2350 else if(!strncmp(knamed,"ZP",2)){
2351 if(x[2]<0.) vol[0]=2; //ZPC (dimuon side)
2352 else if(x[2]>0.) vol[0]=5; //ZPA
2354 else if(!strncmp(knamed,"ZE",2)) vol[0]=3; //ZEM
2356 // Determine in which quadrant the particle is
2357 if(vol[0]==1){ //Quadrant in ZNC
2358 // Calculating particle coordinates inside ZNC
2359 xdet[0] = x[0]-fPosZNC[0];
2360 xdet[1] = x[1]-fPosZNC[1];
2361 // Calculating quadrant in ZN
2363 if(xdet[1]<=0.) vol[1]=1;
2366 else if(xdet[0]>0.){
2367 if(xdet[1]<=0.) vol[1]=2;
2372 else if(vol[0]==2){ //Quadrant in ZPC
2373 // Calculating particle coordinates inside ZPC
2374 xdet[0] = x[0]-fPosZPC[0];
2375 xdet[1] = x[1]-fPosZPC[1];
2376 if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01;
2377 if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01;
2378 // Calculating tower in ZP
2379 Float_t xqZP = xdet[0]/(fDimZP[0]/2.);
2380 for(int i=1; i<=4; i++){
2381 if(xqZP>=(i-3) && xqZP<(i-2)){
2388 // Quadrant in ZEM: vol[1] = 1 -> particle in 1st ZEM (placed at x = 8.5 cm)
2389 // vol[1] = 2 -> particle in 2nd ZEM (placed at x = -8.5 cm)
2390 else if(vol[0] == 3){
2393 // Particle x-coordinate inside ZEM1
2394 xdet[0] = x[0]-fPosZEM[0];
2398 // Particle x-coordinate inside ZEM2
2399 xdet[0] = x[0]+fPosZEM[0];
2401 xdet[1] = x[1]-fPosZEM[1];
2404 else if(vol[0]==4){ //Quadrant in ZNA
2405 // Calculating particle coordinates inside ZNA
2406 xdet[0] = x[0]-fPosZNA[0];
2407 xdet[1] = x[1]-fPosZNA[1];
2408 // Calculating quadrant in ZNA
2410 if(xdet[1]<=0.) vol[1]=1;
2413 else if(xdet[0]<0.){
2414 if(xdet[1]<=0.) vol[1]=2;
2419 else if(vol[0]==5){ //Quadrant in ZPA
2420 // Calculating particle coordinates inside ZPA
2421 xdet[0] = x[0]-fPosZPA[0];
2422 xdet[1] = x[1]-fPosZPA[1];
2423 if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01;
2424 if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01;
2425 // Calculating tower in ZP
2426 Float_t xqZP = -xdet[0]/(fDimZP[0]/2.);
2427 for(int i=1; i<=4; i++){
2428 if(xqZP>=(i-3) && xqZP<(i-2)){
2434 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
2435 AliError(Form(" WRONG tower for det %d: tow %d with xdet=(%f, %f)\n",
2436 vol[0], vol[1], xdet[0], xdet[1]));
2438 //printf("\t *** det %d vol %d xdet(%f, %f)\n",vol[0], vol[1], xdet[0], xdet[1]);
2441 // Store impact point and kinetic energy of the ENTERING particle
2443 if(TVirtualMC::GetMC()->IsTrackEntering()){
2445 TVirtualMC::GetMC()->TrackMomentum(p[0],p[1],p[2],p[3]);
2448 // Impact point on ZDC
2449 // X takes into account the LHC x-axis sign
2450 // which is opposite to positive x on detector front face
2451 // for side A detectors (ZNA and ZPA)
2452 if(vol[0]==4 || vol[0]==5){
2464 Int_t curTrackN = gAlice->GetMCApp()->GetCurrentTrackNumber();
2465 TParticle *part = gAlice->GetMCApp()->Particle(curTrackN);
2466 hits[10] = part->GetPdgCode();
2468 hits[12] = 1.0e09*TVirtualMC::GetMC()->TrackTime(); // in ns!
2469 hits[13] = part->Eta();
2472 Int_t imo = part->GetFirstMother();
2473 //printf(" tracks: pc %d -> mother %d \n", curTrackN,imo);
2476 TParticle *pmot = 0x0;
2477 Bool_t isChild = kFALSE;
2479 pmot = gAlice->GetMCApp()->Particle(imo);
2480 trmo = pmot->GetFirstMother();
2483 pmot = gAlice->GetMCApp()->Particle(trmo);
2484 //printf(" **** pc %d -> mother %d \n", trch,trmo);
2485 trmo = pmot->GetFirstMother();
2489 if(isChild && pmot){
2491 hits[11] = pmot->GetPdgCode();
2492 hits[13] = pmot->Eta();
2497 AddHit(curTrackN, vol, hits);
2502 //if(fnDetectedC==1) printf(" ### Particle in ZNC\n\n");
2506 //if(fpDetectedC==1) printf(" ### Particle in ZPC\n\n");
2508 //else if(vol[0]==3) printf(" ### Particle in ZEM\n\n");
2511 //if(fnDetectedA==1) printf(" ### Particle in ZNA\n\n");
2515 //if(fpDetectedA==1) printf(" ### Particle in ZPA\n\n");
2518 //printf("\t Pc: x %1.2f y %1.2f z %1.2f E %1.2f GeV pz = %1.2f GeV in volume %s\n",
2519 // x[0],x[1],x[3],p[3],p[2],TVirtualMC::GetMC()->CurrentVolName());
2521 TVirtualMC::GetMC()->StopTrack();
2526 // Particle energy loss
2527 if(TVirtualMC::GetMC()->Edep() != 0){
2528 hits[9] = TVirtualMC::GetMC()->Edep();
2531 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2536 // *** Light production in fibres
2537 if((TVirtualMC::GetMC()->CurrentMedium() == fMedSensF1) || (TVirtualMC::GetMC()->CurrentMedium() == fMedSensF2)){
2539 //Select charged particles
2540 if((destep=TVirtualMC::GetMC()->Edep())){
2542 // Particle velocity
2544 TVirtualMC::GetMC()->TrackMomentum(p[0],p[1],p[2],p[3]);
2545 Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]);
2546 if(p[3] > 0.00001) beta = ptot/p[3];
2548 if(beta<0.67)return;
2549 else if((beta>=0.67) && (beta<=0.75)) ibeta = 0;
2550 else if((beta>0.75) && (beta<=0.85)) ibeta = 1;
2551 else if((beta>0.85) && (beta<=0.95)) ibeta = 2;
2552 else if(beta>0.95) ibeta = 3;
2554 // Angle between particle trajectory and fibre axis
2555 // 1 -> Momentum directions
2559 TVirtualMC::GetMC()->Gmtod(um,ud,2);
2560 // 2 -> Angle < limit angle
2561 Double_t alfar = TMath::ACos(ud[2]);
2562 Double_t alfa = alfar*kRaddeg;
2563 if(alfa>=110.) return;
2565 ialfa = Int_t(1.+alfa/2.);
2567 // Distance between particle trajectory and fibre axis
2568 TVirtualMC::GetMC()->TrackPosition(s[0],s[1],s[2]);
2569 for(j=0; j<=2; j++){
2572 TVirtualMC::GetMC()->Gmtod(x,xdet,1);
2573 if(TMath::Abs(ud[0])>0.00001){
2574 Float_t dcoeff = ud[1]/ud[0];
2575 be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.));
2578 be = TMath::Abs(ud[0]);
2581 ibe = Int_t(be*1000.+1);
2583 //Looking into the light tables
2584 Float_t charge = 0.;
2585 Int_t curTrackN = gAlice->GetMCApp()->GetCurrentTrackNumber();
2586 TParticle *part = gAlice->GetMCApp()->Particle(curTrackN);
2587 Int_t pdgCode = part->GetPdgCode();
2588 if(pdgCode<10000) charge = TVirtualMC::GetMC()->TrackCharge();
2590 float z = (pdgCode/10000-100000);
2591 charge = TMath::Abs(z);
2592 //printf(" PDG %d charge %f\n",pdgCode,charge);
2595 if(vol[0]==1 || vol[0]==4) { // (1) ZN fibres
2596 if(ibe>fNben) ibe=fNben;
2597 out = charge*charge*fTablen[ibeta][ialfa][ibe];
2598 nphe = gRandom->Poisson(out);
2600 //if(ibeta==3) printf("\t %f \t %f \t %f\n",alfa, be, out);
2601 //printf("\t ibeta = %d, ialfa = %d, ibe = %d -> nphe = %d\n\n",ibeta,ialfa,ibe,nphe);
2602 if(TVirtualMC::GetMC()->CurrentMedium() == fMedSensF1){
2603 hits[7] = nphe; //fLightPMQ
2606 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2610 hits[8] = nphe; //fLightPMC
2612 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2615 else if(vol[0]==2 || vol[0]==5) {// (2) ZP fibres
2616 if(ibe>fNbep) ibe=fNbep;
2617 out = charge*charge*fTablep[ibeta][ialfa][ibe];
2618 nphe = gRandom->Poisson(out);
2619 if(TVirtualMC::GetMC()->CurrentMedium() == fMedSensF1){
2620 hits[7] = nphe; //fLightPMQ
2623 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2627 hits[8] = nphe; //fLightPMC
2629 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2632 else if(vol[0]==3) { // (3) ZEM fibres
2633 if(ibe>fNbep) ibe=fNbep;
2634 out = charge*charge*fTablep[ibeta][ialfa][ibe];
2635 TVirtualMC::GetMC()->TrackPosition(s[0],s[1],s[2]);
2640 // z-coordinate from ZEM front face
2641 // NB-> fPosZEM[2]+fZEMLength = -1000.+2*10.3 = 979.69 cm
2642 Float_t z = -xalic[2]+fPosZEM[2]+2*fZEMLength-xalic[1];
2643 //z = xalic[2]-fPosZEM[2]-fZEMLength-xalic[1]*(TMath::Tan(45.*kDegrad));
2644 //printf(" fPosZEM[2]+2*fZEMLength = %f", fPosZEM[2]+2*fZEMLength);
2646 // Parametrization for light guide uniformity
2647 // NEW!!! Light guide tilted @ 51 degrees
2648 Float_t guiPar[4]={0.31,-0.0006305,0.01337,0.8895};
2649 Float_t guiEff = guiPar[0]*(guiPar[1]*z*z+guiPar[2]*z+guiPar[3]);
2651 nphe = gRandom->Poisson(out);
2652 //printf(" out*guiEff = %f nphe = %d", out, nphe);
2655 hits[8] = nphe; //fLightPMC (ZEM1)
2657 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2660 hits[7] = nphe; //fLightPMQ (ZEM2)
2663 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);