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"
50 #include "AliTrackReference.h"
59 //_____________________________________________________________________________
60 AliZDCv4::AliZDCv4() :
88 fVCollSideCAperture(7./2.),
89 fVCollSideCApertureNeg(7./2.),
90 fVCollSideCCentreY(0.),
91 fTCDDAperturePos(2.0),
92 fTCDDApertureNeg(2.0),
98 // Default constructor for Zero Degree Calorimeter
100 for(Int_t i=0; i<3; i++){
101 fDimZN[i] = fDimZP[i] = 0.;
102 fPosZNC[i] = fPosZNA[i] = fPosZPC[i]= fPosZPA[i] = fPosZEM[i] = 0.;
103 fFibZN[i] = fFibZP[i] = 0.;
107 //_____________________________________________________________________________
108 AliZDCv4::AliZDCv4(const char *name, const char *title) :
136 fVCollSideCAperture(7./2.),
137 fVCollSideCApertureNeg(7./2.),
138 fVCollSideCCentreY(0.),
139 fTCDDAperturePos(2.0),
140 fTCDDApertureNeg(2.0),
141 fTDIAperturePos(5.5),
142 fTDIApertureNeg(5.5),
146 // Standard constructor for Zero Degree Calorimeter
149 // Check that DIPO, ABSO, DIPO and SHIL is there (otherwise tracking is wrong!!!)
151 AliModule* pipe=gAlice->GetModule("PIPE");
152 AliModule* abso=gAlice->GetModule("ABSO");
153 AliModule* dipo=gAlice->GetModule("DIPO");
154 AliModule* shil=gAlice->GetModule("SHIL");
155 if((!pipe) || (!abso) || (!dipo) || (!shil)) {
156 Error("Constructor","ZDC needs PIPE, ABSO, DIPO and SHIL!!!\n");
161 for(ip=0; ip<4; ip++){
162 for(kp=0; kp<fNalfap; kp++){
163 for(jp=0; jp<fNbep; jp++){
164 fTablep[ip][kp][jp] = 0;
169 for(in=0; in<4; in++){
170 for(kn=0; kn<fNalfan; kn++){
171 for(jn=0; jn<fNben; jn++){
172 fTablen[in][kn][jn] = 0;
177 // Parameters for hadronic calorimeters geometry
178 // Positions updated after post-installation measurements
187 fPosZNC[2] = -11397.3+136;
190 fPosZPC[2] = -11389.3+136;
193 fPosZNA[2] = 11395.8-136;
196 fPosZPA[2] = 11387.8-136;
203 // Parameters for EM calorimeter geometry
207 Float_t kDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
208 Float_t kDimZEMAir = 0.001; // scotch
209 Float_t kFibRadZEM = 0.0315; // External fiber radius (including cladding)
210 Int_t kDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
211 Float_t kDimZEM0 = 2*kDivZEM[2]*(kDimZEMPb+kDimZEMAir+kFibRadZEM*(TMath::Sqrt(2.)));
212 fZEMLength = kDimZEM0;
216 //_____________________________________________________________________________
217 void AliZDCv4::CreateGeometry()
220 // Create the geometry for the Zero Degree Calorimeter version 2
221 //* Initialize COMMON block ZDC_CGEOM
228 //_____________________________________________________________________________
229 void AliZDCv4::CreateBeamLine()
232 // Create the beam line elements
234 if(fOnlyZEM) printf("\n Only ZEM configuration requested: no side-C beam pipe, no side-A hadronic ZDCs\n\n");
236 Double_t zd1=0., zd2=0., zCorrDip=0., zInnTrip=0., zD1=0.;
237 Double_t tubpar[3]={0.,0.,0}, boxpar[3]={0.,0.,0};
238 Double_t tubspar[5]={0.,0.,0.,0.,0.};
240 for(int i=0; i<15; i++) conpar[i]=0.;
242 //-- rotation matrices for the legs
243 Int_t irotpipe1, irotpipe2;
244 TVirtualMC::GetMC()->Matrix(irotpipe1,90.-1.0027,0.,90.,90.,1.0027,180.);
245 TVirtualMC::GetMC()->Matrix(irotpipe2,90.+1.0027,0.,90.,90.,1.0027,0.);
247 Int_t *idtmed = fIdtmed->GetArray();
248 Double_t dx=0., dy=0., dz=0.;
249 Double_t thx=0., thy=0., thz=0.;
250 Double_t phx=0., phy=0., phz=0.;
252 TGeoMedium *medZDCFe = gGeoManager->GetMedium("ZDC_ZIRONT");
253 TGeoMedium *medZDCvoid = gGeoManager->GetMedium("ZDC_ZVOID");
255 ////////////////////////////////////////////////////////////////
257 // SIDE C - RB26 (dimuon side) //
259 ////////////////////////////////////////////////////////////////
262 // -- Mother of the ZDCs (Vacuum PCON)
265 // const Double_t kZComDip = -1972.5;
266 const Double_t kZComDip = -1974.0;
269 conpar[ 2] = 4.; // Num radius specifications: 4
270 conpar[ 3] = -13500.; // (1) end of mother vol
273 conpar[ 6] = kZComDip; // (2) Beginning of Compensator Dipole
276 conpar[ 9] = kZComDip; // (3) Reducing radii of ZDCC to beam pipe radius
279 conpar[12] = -zd1; // (4) Beginning of ZDCC mother volume
280 // conpar[12] = -1947.2; // (4) Beginning of ZDCC mother volume
283 TVirtualMC::GetMC()->Gsvolu("ZDCC", "PCON", idtmed[10], conpar, 15);
284 TVirtualMC::GetMC()->Gspos("ZDCC", 1, "ALIC", 0., 0., 0., 0, "ONLY");
287 // -- BEAM PIPE from compensator dipole to the beginning of D1)
290 // From beginning of ZDC volumes to beginning of D1
291 tubpar[2] = (5838.3-zd1)/2.;
292 TVirtualMC::GetMC()->Gsvolu("QT01", "TUBE", idtmed[7], tubpar, 3);
293 TVirtualMC::GetMC()->Gspos("QT01", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
295 //printf(" QT01 TUBE pipe from z = %1.2f to z = %1.2f (D1 begin)\n",-zd1,-2*tubpar[2]-zd1);
297 //-- BEAM PIPE from the end of D1 to the beginning of D2)
299 //-- FROM MAGNETIC BEGINNING OF D1 TO MAGNETIC END OF D1
300 //-- Cylindrical pipe (r = 3.47) + conical flare
301 // -> Beginning of D1
306 tubpar[2] = (6909.8-zd1)/2.;
307 TVirtualMC::GetMC()->Gsvolu("QT02", "TUBE", idtmed[7], tubpar, 3);
308 TVirtualMC::GetMC()->Gspos("QT02", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
310 //printf(" QT02 TUBE pipe from z = %1.2f to z = %1.2f (D1 magnetic end)\n",-zd1,-2*tubpar[2]-zd1);
316 tubpar[2] = (6958.3-zd1)/2.;
317 TVirtualMC::GetMC()->Gsvolu("QT0B", "TUBE", idtmed[7], tubpar, 3);
318 TVirtualMC::GetMC()->Gspos("QT0B", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
320 //printf(" QT0B TUBE pipe from z = %1.2f to z = %1.2f \n",-zd1,-2*tubpar[2]-zd1);
326 tubpar[2] = (7022.8-zd1)/2.;
327 TVirtualMC::GetMC()->Gsvolu("QT03", "TUBE", idtmed[7], tubpar, 3);
328 TVirtualMC::GetMC()->Gspos("QT03", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
330 //printf(" QT03 TUBE pipe from z = %1.2f to z = %1.2f (D1 end)\n",-zd1,-2*tubpar[2]-zd1);
339 TVirtualMC::GetMC()->Gsvolu("QC01", "CONE", idtmed[7], conpar, 5);
340 TVirtualMC::GetMC()->Gspos("QC01", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
342 //printf(" QC01 CONE pipe from z = %1.2f to z= %1.2f (VCTCQ-I)\n",-zd1,-2*conpar[0]-zd1);
344 zd1 += conpar[0] * 2.;
346 // ******************************************************
347 // N.B.-> according to last vacuum layout
348 // private communication by D. Macina, mail 27/1/2009
349 // updated to new ZDC installation (Janiary 2012)
350 // ******************************************************
351 // 2nd section of VCTCQ+VAMTF+TCLIA+VAMTF+1st part of VCTCP
352 Float_t totLength1 = 160.8 + 78. + 148. + 78. + 9.3;
356 tubpar[2] = totLength1/2.;
357 // TVirtualMC::GetMC()->Gsvolu("QE01", "ELTU", idtmed[7], tubpar, 3);
358 // temporary replace with a scaled tube (AG)
359 TGeoTube *tubeQE01 = new TGeoTube(0.,tubpar[0],tubpar[2]);
360 TGeoScale *scaleQE01 = new TGeoScale(1., tubpar[1]/tubpar[0], 1.);
361 TGeoScaledShape *sshapeQE01 = new TGeoScaledShape(tubeQE01, scaleQE01);
362 new TGeoVolume("QE01", sshapeQE01, gGeoManager->GetMedium(idtmed[7]));
366 tubpar[2] = totLength1/2.;
367 // TVirtualMC::GetMC()->Gsvolu("QE02", "ELTU", idtmed[10], tubpar, 3);
368 // temporary replace with a scaled tube (AG)
369 TGeoTube *tubeQE02 = new TGeoTube(0.,tubpar[0],tubpar[2]);
370 TGeoScale *scaleQE02 = new TGeoScale(1., tubpar[1]/tubpar[0], 1.);
371 TGeoScaledShape *sshapeQE02 = new TGeoScaledShape(tubeQE02, scaleQE02);
372 new TGeoVolume("QE02", sshapeQE02, gGeoManager->GetMedium(idtmed[10]));
374 TVirtualMC::GetMC()->Gspos("QE01", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
375 TVirtualMC::GetMC()->Gspos("QE02", 1, "QE01", 0., 0., 0., 0, "ONLY");
377 //printf(" QE01 ELTU from z = %1.2f to z = %1.2f (VCTCQ-II+VAMTF+TCLIA+VAMTF+VCTCP-I)\n",-zd1,-2*tubpar[2]-zd1);
379 // TCLIA collimator jaws (defined ONLY if fVCollAperture<3.5!)
380 if(fVCollSideCAperture<3.5){
382 boxpar[1] = (3.5-fVCollSideCAperture-fVCollSideCCentreY-0.7)/2.;
383 if(boxpar[1]<0.) boxpar[1]=0.;
384 boxpar[2] = 124.4/2.;
385 printf(" AliZDCv4 -> C side injection collimator jaws: apertures +%1.2f/-%1.2f center %1.2f [cm]\n",
386 fVCollSideCAperture, fVCollSideCApertureNeg,fVCollSideCCentreY);
387 TVirtualMC::GetMC()->Gsvolu("QCVC" , "BOX ", idtmed[13], boxpar, 3);
388 TVirtualMC::GetMC()->Gspos("QCVC", 1, "QE02", -boxpar[0], fVCollSideCAperture+fVCollSideCCentreY+boxpar[1], -totLength1/2.+160.8+78.+148./2., 0, "ONLY");
389 TVirtualMC::GetMC()->Gspos("QCVC", 2, "QE02", -boxpar[0], -fVCollSideCApertureNeg+fVCollSideCCentreY-boxpar[1], -totLength1/2.+160.8+78.+148./2., 0, "ONLY");
392 zd1 += tubpar[2] * 2.;
396 conpar[1] = 21.27/2.;
397 conpar[2] = 21.87/2.;
400 TVirtualMC::GetMC()->Gsvolu("QC02", "CONE", idtmed[7], conpar, 5);
401 TVirtualMC::GetMC()->Gspos("QC02", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
403 //printf(" QC02 CONE pipe from z = %1.2f to z= %1.2f (VCTCP-II)\n",-zd1,-2*conpar[0]-zd1);
405 zd1 += conpar[0] * 2.;
407 // 3rd section of VCTCP+VCDWC+VMLGB
408 //Float_t totLenght2 = 9.2 + 530.5+40.;
409 Float_t totLenght2 = (8373.3-zd1);
412 tubpar[2] = totLenght2/2.;
413 TVirtualMC::GetMC()->Gsvolu("QT04", "TUBE", idtmed[7], tubpar, 3);
414 TVirtualMC::GetMC()->Gspos("QT04", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
416 //printf(" QT04 TUBE pipe from z = %1.2f to z= %1.2f (VCTCP-III)\n",-zd1,-2*tubpar[2]-zd1);
418 zd1 += tubpar[2] * 2.;
420 // First part of VCTCD
421 // skewed transition cone from ID=212.7 mm to ID=797 mm
425 conpar[3] = 21.27/2.;
426 conpar[4] = 21.87/2.;
427 TVirtualMC::GetMC()->Gsvolu("QC03", "CONE", idtmed[7], conpar, 5);
428 TVirtualMC::GetMC()->Gspos("QC03", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
430 //printf(" QC03 CONE pipe from z = %1.2f to z = %1.2f (VCTCD-I)\n",-zd1,-2*conpar[0]-zd1);
434 // VCDGB + 1st part of VCTCH
435 // Modified according to 2012 ZDC installation
438 tubpar[2] = (5*475.2+97.-136)/2.;
439 TVirtualMC::GetMC()->Gsvolu("QT05", "TUBE", idtmed[7], tubpar, 3);
440 TVirtualMC::GetMC()->Gspos("QT05", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
442 //printf(" QT05 TUBE pipe from z = %1.2f to z = %1.2f (VCDGB+VCTCH-I)\n",-zd1,-2*tubpar[2]-zd1);
447 // Transition from ID=797 mm to ID=196 mm:
448 // in order to simulate the thin window opened in the transition cone
449 // we divide the transition cone in three cones:
450 // (1) 8 mm thick (2) 3 mm thick (3) the third 8 mm thick
453 conpar[0] = 9.09/2.; // 15 degree
454 conpar[1] = 74.82868/2.;
455 conpar[2] = 76.42868/2.; // thickness 8 mm
457 conpar[4] = 81.3/2.; // thickness 8 mm
458 TVirtualMC::GetMC()->Gsvolu("QC04", "CONE", idtmed[7], conpar, 5);
459 TVirtualMC::GetMC()->Gspos("QC04", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
461 //printf(" QC04 CONE pipe from z = %1.2f to z = %1.2f (VCTCH-II)\n",-zd1,-2*conpar[0]-zd1);
466 conpar[0] = 96.2/2.; // 15 degree
467 conpar[1] = 23.19588/2.;
468 conpar[2] = 23.79588/2.; // thickness 3 mm
469 conpar[3] = 74.82868/2.;
470 conpar[4] = 75.42868/2.; // thickness 3 mm
471 TVirtualMC::GetMC()->Gsvolu("QC05", "CONE", idtmed[7], conpar, 5);
472 TVirtualMC::GetMC()->Gspos("QC05", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
474 //printf(" QC05 CONE pipe from z = %1.2f to z = %1.2f (VCTCH-III)\n",-zd1,-2*conpar[0]-zd1);
479 conpar[0] = 6.71/2.; // 15 degree
481 conpar[2] = 21.2/2.;// thickness 8 mm
482 conpar[3] = 23.19588/2.;
483 conpar[4] = 24.79588/2.;// thickness 8 mm
484 TVirtualMC::GetMC()->Gsvolu("QC06", "CONE", idtmed[7], conpar, 5);
485 TVirtualMC::GetMC()->Gspos("QC06", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
487 //printf(" QC06 CONE pipe from z = %1.2f to z = %1.2f (VCTCH-III)\n",-zd1,-2*conpar[0]-zd1);
495 TVirtualMC::GetMC()->Gsvolu("QT06", "TUBE", idtmed[7], tubpar, 3);
496 TVirtualMC::GetMC()->Gspos("QT06", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
498 //printf(" QT06 TUBE pipe from z = %1.2f to z = %1.2f (VMZAR-I)\n",-zd1,-2*tubpar[2]-zd1);
507 TVirtualMC::GetMC()->Gsvolu("QC07", "CONE", idtmed[7], conpar, 5);
508 TVirtualMC::GetMC()->Gspos("QC07", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
510 //printf(" QC07 CONE pipe from z = %1.2f to z = %1.2f (VMZAR-II)\n",-zd1,-2*conpar[0]-zd1);
517 TVirtualMC::GetMC()->Gsvolu("QT07", "TUBE", idtmed[7], tubpar, 3);
518 TVirtualMC::GetMC()->Gspos("QT07", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
520 //printf(" QT07 TUBE pipe from z = %1.2f to z = %1.2f (VMZAR-III)\n",-zd1,-2*tubpar[2]-zd1);
529 TVirtualMC::GetMC()->Gsvolu("QC08", "CONE", idtmed[7], conpar, 5);
530 TVirtualMC::GetMC()->Gspos("QC08", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
532 //printf(" QC08 CONE pipe from z = %1.2f to z = %1.2f (VMZAR-IV)\n",-zd1,-2*conpar[0]-zd1);
539 TVirtualMC::GetMC()->Gsvolu("QT08", "TUBE", idtmed[7], tubpar, 3);
540 TVirtualMC::GetMC()->Gspos("QT08", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
542 //printf(" QT08 TUBE pipe from z = %1.2f to z = %1.2f (VMZAR-V)\n",-zd1,-2*tubpar[2]-zd1);
546 // Flange (ID=196 mm)(last part of VMZAR and first part of VCTYB)
550 TVirtualMC::GetMC()->Gsvolu("QT09", "TUBE", idtmed[7], tubpar, 3);
551 TVirtualMC::GetMC()->Gspos("QT09", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
553 //printf(" QT09 TUBE pipe from z = %1.2f to z = %1.2f (VMZAR-VI+VCTYB-I)\n",-zd1,-2*tubpar[2]-zd1);
557 ////printf(" Beginning of VCTYB volume @ z = %1.2f \n",-zd1);
559 // simulation of the trousers (VCTYB)
563 TVirtualMC::GetMC()->Gsvolu("QT10", "TUBE", idtmed[7], tubpar, 3);
564 TVirtualMC::GetMC()->Gspos("QT10", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
566 //printf(" QT10 TUBE pipe from z = %1.2f to z = %1.2f (VCTYB-II)\n",-zd1,-2*tubpar[2]-zd1);
570 // transition cone from ID=196. to ID=216.6
571 conpar[0] = 32.55/2.;
572 conpar[1] = 21.66/2.;
573 conpar[2] = 22.06/2.;
576 TVirtualMC::GetMC()->Gsvolu("QC09", "CONE", idtmed[7], conpar, 5);
577 TVirtualMC::GetMC()->Gspos("QC09", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
579 //printf(" QC09 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
584 tubpar[0] = 21.66/2.;
585 tubpar[1] = 22.06/2.;
587 TVirtualMC::GetMC()->Gsvolu("QT11", "TUBE", idtmed[7], tubpar, 3);
588 TVirtualMC::GetMC()->Gspos("QT11", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
590 //printf(" QT11 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
594 //printf(" Beginning of C side recombination chamber @ z = %f \n",-zd1);
596 // --------------------------------------------------------
597 // RECOMBINATION CHAMBER IMPLEMENTED USING TGeo CLASSES!!!!
598 // author: Chiara (August 2008)
599 // --------------------------------------------------------
600 // TRANSFORMATION MATRICES
601 // Combi transformation:
606 thx = 84.989100; phx = 180.000000;
607 thy = 90.000000; phy = 90.000000;
608 thz = 185.010900; phz = 0.000000;
609 TGeoRotation *rotMatrix1c = new TGeoRotation("c",thx,phx,thy,phy,thz,phz);
610 // Combi transformation:
614 TGeoCombiTrans *rotMatrix2c = new TGeoCombiTrans("ZDCC_c1", dx,dy,dz,rotMatrix1c);
615 rotMatrix2c->RegisterYourself();
616 // Combi transformation:
621 thx = 95.010900; phx = 180.000000;
622 thy = 90.000000; phy = 90.000000;
623 thz = 180.-5.010900; phz = 0.000000;
624 TGeoRotation *rotMatrix3c = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
625 TGeoCombiTrans *rotMatrix4c = new TGeoCombiTrans("ZDCC_c2", dx,dy,dz,rotMatrix3c);
626 rotMatrix4c->RegisterYourself();
628 // VOLUMES DEFINITION
630 TGeoVolume *pZDCC = gGeoManager->GetVolume("ZDCC");
632 conpar[0] = (90.1-0.95-0.26-0.0085)/2.;
637 new TGeoCone("QCLext", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
639 conpar[0] = (90.1-0.95-0.26-0.0085)/2.;
644 new TGeoCone("QCLint", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
647 TGeoCompositeShape *pOutTrousersC = new TGeoCompositeShape("outTrousersC", "QCLext:ZDCC_c1+QCLext:ZDCC_c2");
650 TGeoVolume *pQCLext = new TGeoVolume("QCLext",pOutTrousersC, medZDCFe);
651 pQCLext->SetLineColor(kGreen);
652 pQCLext->SetVisLeaves(kTRUE);
654 TGeoTranslation *tr1c = new TGeoTranslation(0., 0., (Double_t) -conpar[0]-0.95-zd1);
655 //printf(" C side recombination chamber from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-0.95-zd1);
657 pZDCC->AddNode(pQCLext, 1, tr1c);
659 TGeoCompositeShape *pIntTrousersC = new TGeoCompositeShape("intTrousersC", "QCLint:ZDCC_c1+QCLint:ZDCC_c2");
661 TGeoVolume *pQCLint = new TGeoVolume("QCLint",pIntTrousersC, medZDCvoid);
662 pQCLint->SetLineColor(kTeal);
663 pQCLint->SetVisLeaves(kTRUE);
664 pQCLext->AddNode(pQCLint, 1);
667 Double_t offset = 0.5;
670 // second section : 2 tubes (ID = 54. OD = 58.)
674 TVirtualMC::GetMC()->Gsvolu("QT12", "TUBE", idtmed[7], tubpar, 3);
675 TVirtualMC::GetMC()->Gspos("QT12", 1, "ZDCC", -15.8/2., 0., -tubpar[2]-zd1, 0, "ONLY");
676 TVirtualMC::GetMC()->Gspos("QT12", 2, "ZDCC", 15.8/2., 0., -tubpar[2]-zd1, 0, "ONLY");
678 //printf(" QT12 TUBE from z = %1.2f to z = %1.2f (separate beam pipes)\n",-zd1,-2*tubpar[2]-zd1);
682 // transition x2zdc to recombination chamber : skewed cone
683 conpar[0] = (10.-0.2-offset)/2.;
688 TVirtualMC::GetMC()->Gsvolu("QC10", "CONE", idtmed[7], conpar, 5);
689 TVirtualMC::GetMC()->Gspos("QC10", 1, "ZDCC", -7.9-0.175, 0., -conpar[0]-0.1-zd1, irotpipe1, "ONLY");
690 TVirtualMC::GetMC()->Gspos("QC10", 2, "ZDCC", 7.9+0.175, 0., -conpar[0]-0.1-zd1, irotpipe2, "ONLY");
691 //printf(" QC10 CONE from z = %1.2f to z = %1.2f (transition X2ZDC)\n",-zd1,-2*conpar[0]-0.2-zd1);
693 zd1 += 2.*conpar[0]+0.2;
695 // 2 tubes (ID = 63 mm OD=70 mm)
698 tubpar[2] = 639.8/2.;
699 TVirtualMC::GetMC()->Gsvolu("QT13", "TUBE", idtmed[7], tubpar, 3);
700 TVirtualMC::GetMC()->Gspos("QT13", 1, "ZDCC", -16.5/2., 0., -tubpar[2]-zd1, 0, "ONLY");
701 TVirtualMC::GetMC()->Gspos("QT13", 2, "ZDCC", 16.5/2., 0., -tubpar[2]-zd1, 0, "ONLY");
702 //printf(" QT13 TUBE from z = %1.2f to z = %1.2f (separate beam pipes)\n",-zd1,-2*tubpar[2]-zd1);
705 printf(" END OF C SIDE BEAM PIPE DEFINITION @ z = %f m from IP2\n\n",-zd1/100.);
708 // -- Luminometer (Cu box) in front of ZN - side C
712 boxpar[2] = fLumiLength/2.;
713 TVirtualMC::GetMC()->Gsvolu("QLUC", "BOX ", idtmed[9], boxpar, 3);
714 TVirtualMC::GetMC()->Gspos("QLUC", 1, "ZDCC", 0., 0., fPosZNC[2]+66.+boxpar[2], 0, "ONLY");
715 printf(" C SIDE LUMINOMETER %1.2f < z < %1.2f\n", fPosZNC[2]+66., fPosZNC[2]+66.+2*boxpar[2]);
718 // -- END OF BEAM PIPE VOLUME DEFINITION FOR SIDE C (RB26 SIDE)
719 // ----------------------------------------------------------------
721 ////////////////////////////////////////////////////////////////
725 ///////////////////////////////////////////////////////////////
727 // Rotation Matrices definition
728 Int_t irotpipe3, irotpipe4, irotpipe5;
729 //-- rotation matrices for the tilted cone after the TDI to recenter vacuum chamber
730 TVirtualMC::GetMC()->Matrix(irotpipe3,90.-1.8934,0.,90.,90.,1.8934,180.);
731 //-- rotation matrices for the tilted tube before and after the TDI
732 TVirtualMC::GetMC()->Matrix(irotpipe4,90.-3.8,0.,90.,90.,3.8,180.);
733 //-- rotation matrix for the tilted cone after the TDI
734 TVirtualMC::GetMC()->Matrix(irotpipe5,90.+9.8,0.,90.,90.,9.8,0.);
736 // -- Mother of the ZDCs (Vacuum PCON)
737 zd2 = 1910.22;// zd2 initial value
748 TVirtualMC::GetMC()->Gsvolu("ZDCA", "PCON", idtmed[10], conpar, 9);
749 TVirtualMC::GetMC()->Gspos("ZDCA", 1, "ALIC", 0., 0., 0., 0, "ONLY");
751 // To avoid overlaps 1 micron are left between certain volumes!
752 Double_t dxNoOverlap = 0.0;
753 //zd2 += dxNoOverlap;
755 // BEAM PIPE from 19.10 m to inner triplet beginning (22.965 m)
758 tubpar[2] = 386.28/2. - dxNoOverlap;
759 TVirtualMC::GetMC()->Gsvolu("QA01", "TUBE", idtmed[7], tubpar, 3);
760 TVirtualMC::GetMC()->Gspos("QA01", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
762 //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);
766 // -- FIRST SECTION OF THE BEAM PIPE (from beginning of inner triplet to
770 tubpar[2] = 3541.8/2. - dxNoOverlap;
771 TVirtualMC::GetMC()->Gsvolu("QA02", "TUBE", idtmed[7], tubpar, 3);
772 TVirtualMC::GetMC()->Gspos("QA02", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
774 //printf(" QA02 TUBE from z = %1.2f to z= %1.2f (D1 begin)\n",zd2,2*tubpar[2]+zd2);
779 // -- SECOND SECTION OF THE BEAM PIPE (from the beginning of D1 to the beginning of D2)
781 // FROM (MAGNETIC) BEGINNING OF D1 TO THE (MAGNETIC) END OF D1 + 126.5 cm
782 // CYLINDRICAL PIPE of diameter increasing from 6.75 cm up to 8.0 cm
783 // from magnetic end :
784 // 1) 80.1 cm still with ID = 6.75 radial beam screen
785 // 2) 2.5 cm conical section from ID = 6.75 to ID = 8.0 cm
786 // 3) 43.9 cm straight section (tube) with ID = 8.0 cm
790 tubpar[2] = (945.0+80.1)/2.;
791 TVirtualMC::GetMC()->Gsvolu("QA03", "TUBE", idtmed[7], tubpar, 3);
792 TVirtualMC::GetMC()->Gspos("QA03", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
794 //printf(" QA03 TUBE from z = %1.2f to z = %1.2f (D1 end)\n",zd2,2*tubpar[2]+zd2);
798 // Transition Cone from ID=67.5 mm to ID=80 mm
804 TVirtualMC::GetMC()->Gsvolu("QA04", "CONE", idtmed[7], conpar, 5);
805 TVirtualMC::GetMC()->Gspos("QA04", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
806 //printf(" QA04 CONE from z = %1.2f to z = %1.2f (transition cone)\n",zd2,2*conpar[0]+zd2);
812 tubpar[2] = (43.9+20.+28.5+28.5)/2.;
813 TVirtualMC::GetMC()->Gsvolu("QA05", "TUBE", idtmed[7], tubpar, 3);
814 TVirtualMC::GetMC()->Gspos("QA05", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
816 //printf(" QA05 TUBE from z = %1.2f to z = %1.2f\n",zd2,2*tubpar[2]+zd2);
820 // Second section of VAEHI (transition cone from ID=80mm to ID=98mm)
826 TVirtualMC::GetMC()->Gsvolu("QAV1", "CONE", idtmed[7], conpar, 5);
827 TVirtualMC::GetMC()->Gspos("QAV1", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
828 //printf(" QAV1 CONE from z = %1.2f to z = %1.2f (VAEHI-I)\n",zd2,2*conpar[0]+zd2);
832 //Third section of VAEHI (transition cone from ID=98mm to ID=90mm)
838 TVirtualMC::GetMC()->Gsvolu("QAV2", "CONE", idtmed[7], conpar, 5);
839 TVirtualMC::GetMC()->Gspos("QAV2", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
840 //printf(" QAV2 CONE from z = %1.2f to z = %1.2f (VAEHI-II)\n",zd2,2*conpar[0]+zd2);
844 // Fourth section of VAEHI (tube ID=90mm)
848 TVirtualMC::GetMC()->Gsvolu("QAV3", "TUBE", idtmed[7], tubpar, 3);
849 TVirtualMC::GetMC()->Gspos("QAV3", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
851 //printf(" QAV3 TUBE from z = %1.2f to z = %1.2f (VAEHI-III)\n",zd2,2*tubpar[2]+zd2);
855 //---------------------------- TCDD beginning ----------------------------------
856 // space for the insertion of the collimator TCDD (2 m)
857 // TCDD ZONE - 1st volume
863 TVirtualMC::GetMC()->Gsvolu("Q01T", "CONE", idtmed[7], conpar, 5);
864 TVirtualMC::GetMC()->Gspos("Q01T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
865 //printf(" Q01T CONE from z = %1.2f to z = %1.2f (TCDD-I)\n",zd2,2*conpar[0]+zd2);
869 // TCDD ZONE - 2nd volume
873 TVirtualMC::GetMC()->Gsvolu("Q02T", "TUBE", idtmed[7], tubpar, 3);
874 TVirtualMC::GetMC()->Gspos("Q02T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
876 //printf(" Q02T TUBE from z = %1.2f to z= %1.2f (TCDD-II)\n",zd2,2*tubpar[2]+zd2);
880 // TCDD ZONE - third volume
886 TVirtualMC::GetMC()->Gsvolu("Q03T", "CONE", idtmed[7], conpar, 5);
887 TVirtualMC::GetMC()->Gspos("Q03T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
888 //printf(" Q03T CONE from z = %1.2f to z= %1.2f (TCDD-III)\n",zd2,2*conpar[0]+zd2);
892 // TCDD ZONE - 4th volume
896 TVirtualMC::GetMC()->Gsvolu("Q04T", "TUBE", idtmed[7], tubpar, 3);
897 TVirtualMC::GetMC()->Gspos("Q04T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
899 //printf(" Q04T TUBE from z = %1.2f to z= %1.2f (TCDD-IV)\n",zd2,2*tubpar[2]+zd2);
903 // TCDD ZONE - 5th volume
906 tubpar[2] = 100.12/2.;
907 TVirtualMC::GetMC()->Gsvolu("Q05T", "TUBE", idtmed[7], tubpar, 3);
908 TVirtualMC::GetMC()->Gspos("Q05T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
910 //printf(" Q05T TUBE from z = %1.2f to z= %1.2f (TCDD-V)\n",zd2,2*tubpar[2]+zd2);
914 // TCDD ZONE - 6th volume
918 TVirtualMC::GetMC()->Gsvolu("Q06T", "TUBE", idtmed[7], tubpar, 3);
919 TVirtualMC::GetMC()->Gspos("Q06T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
921 //printf(" Q06T TUBE from z = %1.2f to z= %1.2f (TCDD-VI)\n",zd2,2*tubpar[2]+zd2);
925 // TCDD ZONE - 7th volume
926 conpar[0] = 11.34/2.;
931 TVirtualMC::GetMC()->Gsvolu("Q07T", "CONE", idtmed[7], conpar, 5);
932 TVirtualMC::GetMC()->Gspos("Q07T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
933 //printf(" Q07T CONE from z = %1.2f to z= %1.2f (TCDD-VII)\n",zd2,2*conpar[0]+zd2);
937 // Upper section : one single phi segment of a tube
938 // 5 parameters for tubs: inner radius = 0.,
939 // outer radius = 7. cm, half length = 50 cm
940 // phi1 = 0., phi2 = 180.
942 tubspar[1] = 14.0/2.;
943 tubspar[2] = 100.0/2.;
946 TVirtualMC::GetMC()->Gsvolu("Q08T", "TUBS", idtmed[7], tubspar, 5);
948 // rectangular beam pipe inside TCDD upper section (Vacuum)
952 TVirtualMC::GetMC()->Gsvolu("Q09T", "BOX ", idtmed[10], boxpar, 3);
953 // positioning vacuum box in the upper section of TCDD
954 TVirtualMC::GetMC()->Gspos("Q09T", 1, "Q08T", 0., 1.1, 0., 0, "ONLY");
956 // lower section : one single phi segment of a tube
958 tubspar[1] = 14.0/2.;
959 tubspar[2] = 100.0/2.;
962 TVirtualMC::GetMC()->Gsvolu("Q10T", "TUBS", idtmed[7], tubspar, 5);
963 // rectangular beam pipe inside TCDD lower section (Vacuum)
967 TVirtualMC::GetMC()->Gsvolu("Q11T", "BOX ", idtmed[10], boxpar, 3);
968 // positioning vacuum box in the lower section of TCDD
969 TVirtualMC::GetMC()->Gspos("Q11T", 1, "Q10T", 0., -1.1, 0., 0, "ONLY");
971 // positioning TCDD elements in ZDCA, (inside TCDD volume)
972 TVirtualMC::GetMC()->Gspos("Q08T", 1, "ZDCA", 0., fTCDDAperturePos, -100.+zd2, 0, "ONLY");
973 TVirtualMC::GetMC()->Gspos("Q10T", 1, "ZDCA", 0., -fTCDDApertureNeg, -100.+zd2, 0, "ONLY");
974 printf(" AliZDCv4 -> TCDD apertures +%1.2f/-%1.2f cm\n",
975 fTCDDAperturePos, fTCDDApertureNeg);
981 TVirtualMC::GetMC()->Gsvolu("Q12T", "BOX ", idtmed[7], boxpar, 3);
982 // positioning RF screen at both sides of TCDD
983 TVirtualMC::GetMC()->Gspos("Q12T", 1, "ZDCA", tubspar[1]+boxpar[0], 0., -100.+zd2, 0, "ONLY");
984 TVirtualMC::GetMC()->Gspos("Q12T", 2, "ZDCA", -tubspar[1]-boxpar[0], 0., -100.+zd2, 0, "ONLY");
985 //---------------------------- TCDD end ---------------------------------------
987 // The following elliptical tube 180 mm x 70 mm
988 // (obtained positioning the void QA06 in QA07)
989 // represents VAMTF + first part of VCTCP (93 mm)
990 // updated according to 2012 new ZDC installation
994 tubpar[2] = (78+9.3)/2.;
995 // TVirtualMC::GetMC()->Gsvolu("QA06", "ELTU", idtmed[7], tubpar, 3);
996 // temporary replace with a scaled tube (AG)
997 TGeoTube *tubeQA06 = new TGeoTube(0.,tubpar[0],tubpar[2]);
998 TGeoScale *scaleQA06 = new TGeoScale(1., tubpar[1]/tubpar[0], 1.);
999 TGeoScaledShape *sshapeQA06 = new TGeoScaledShape(tubeQA06, scaleQA06);
1000 new TGeoVolume("QA06", sshapeQA06, gGeoManager->GetMedium(idtmed[7]));
1001 //printf(" QA06 TUBE from z = %1.2f to z = %1.2f (VAMTF+VCTCP-I)\n",zd2,2*tubpar[2]+zd2);
1003 tubpar[0] = 18.0/2.;
1005 tubpar[2] = (78+9.3)/2.;
1006 // TVirtualMC::GetMC()->Gsvolu("QA07", "ELTU", idtmed[10], tubpar, 3);
1007 // temporary replace with a scaled tube (AG)
1008 TGeoTube *tubeQA07 = new TGeoTube(0.,tubpar[0],tubpar[2]);
1009 TGeoScale *scaleQA07 = new TGeoScale(1., tubpar[1]/tubpar[0], 1.);
1010 TGeoScaledShape *sshapeQA07 = new TGeoScaledShape(tubeQA07, scaleQA07);
1011 new TGeoVolume("QA07", sshapeQA07, gGeoManager->GetMedium(idtmed[10]));
1012 ////printf(" QA07 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1013 TVirtualMC::GetMC()->Gspos("QA06", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1014 TVirtualMC::GetMC()->Gspos("QA07", 1, "QA06", 0., 0., 0., 0, "ONLY");
1016 zd2 += 2.*tubpar[2];
1018 // VCTCP second part: transition cone from ID=180 to ID=212.7
1019 conpar[0] = 31.5/2.;
1020 conpar[1] = 18.0/2.;
1021 conpar[2] = 18.6/2.;
1022 conpar[3] = 21.27/2.;
1023 conpar[4] = 21.87/2.;
1024 TVirtualMC::GetMC()->Gsvolu("QA08", "CONE", idtmed[7], conpar, 5);
1025 TVirtualMC::GetMC()->Gspos("QA08", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1027 //printf(" QA08 CONE from z = %f to z = %f (VCTCP-II)\n",zd2,2*conpar[0]+zd2);
1029 zd2 += 2.*conpar[0];
1032 // Represents VCTCP third part (92 mm) + VCDWB (765 mm) + VMBGA (400 mm) +
1033 // VCDWE (300 mm) + VMBGA (400 mm)
1034 // + TCTVB space + VAMTF space (new installation Jan 2012)
1035 tubpar[0] = 21.27/2.;
1036 tubpar[1] = 21.87/2.;
1037 tubpar[2] = (195.7+148.+78.)/2.;
1038 TVirtualMC::GetMC()->Gsvolu("QA09", "TUBE", idtmed[7], tubpar, 3);
1039 TVirtualMC::GetMC()->Gspos("QA09", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1040 //printf(" QA09 TUBE from z = %1.2f to z= %1.2f (VCTCP-III+VCDWB+VMBGA+VCDWE+VMBGA)\n",zd2,2*tubpar[2]+zd2);
1042 zd2 += 2.*tubpar[2];
1044 // skewed transition piece (ID=212.7 mm to 332 mm) (before TDI)
1045 conpar[0] = (50.0-0.73-1.13)/2.;
1046 conpar[1] = 21.27/2.;
1047 conpar[2] = 21.87/2.;
1048 conpar[3] = 33.2/2.;
1049 conpar[4] = 33.8/2.;
1050 TVirtualMC::GetMC()->Gsvolu("QA10", "CONE", idtmed[7], conpar, 5);
1051 TVirtualMC::GetMC()->Gspos("QA10", 1, "ZDCA", -1.66, 0., conpar[0]+0.73+zd2, irotpipe4, "ONLY");
1053 //printf(" QA10 skewed CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+0.73+1.13+zd2);
1055 zd2 += 2.*conpar[0]+0.73+1.13;
1057 // Vacuum chamber containing TDI
1059 tubpar[1] = 54.6/2.;
1060 tubpar[2] = 540.0/2.;
1061 TVirtualMC::GetMC()->Gsvolu("Q13TM", "TUBE", idtmed[10], tubpar, 3);
1062 TVirtualMC::GetMC()->Gspos("Q13TM", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1063 tubpar[0] = 54.0/2.;
1064 tubpar[1] = 54.6/2.;
1065 tubpar[2] = 540.0/2.;
1066 TVirtualMC::GetMC()->Gsvolu("Q13T", "TUBE", idtmed[7], tubpar, 3);
1067 TVirtualMC::GetMC()->Gspos("Q13T", 1, "Q13TM", 0., 0., 0., 0, "ONLY");
1069 //printf(" Q13T TUBE from z = %1.2f to z= %1.2f (TDI vacuum chamber)\n",zd2,2*tubpar[2]+zd2);
1071 zd2 += 2.*tubpar[2];
1073 //---------------- INSERT TDI INSIDE Q13T -----------------------------------
1074 boxpar[0] = 11.0/2.;
1076 boxpar[2] = 418.5/2.;
1077 TVirtualMC::GetMC()->Gsvolu("QTD1", "BOX ", idtmed[7], boxpar, 3);
1078 TVirtualMC::GetMC()->Gspos("QTD1", 1, "Q13TM", -3.8, boxpar[1]+fTDIAperturePos, 0., 0, "ONLY");
1079 boxpar[0] = 11.0/2.;
1081 boxpar[2] = 418.5/2.;
1082 TVirtualMC::GetMC()->Gsvolu("QTD2", "BOX ", idtmed[7], boxpar, 3);
1083 TVirtualMC::GetMC()->Gspos("QTD2", 1, "Q13TM", -3.8, -boxpar[1]-fTDIApertureNeg, 0., 0, "ONLY");
1086 boxpar[2] = 418.5/2.;
1087 TVirtualMC::GetMC()->Gsvolu("QTD3", "BOX ", idtmed[7], boxpar, 3);
1088 TVirtualMC::GetMC()->Gspos("QTD3", 1, "Q13TM", -3.8+5.5+boxpar[0], fTDIAperturePos, 0., 0, "ONLY");
1089 TVirtualMC::GetMC()->Gspos("QTD3", 2, "Q13TM", -3.8+5.5+boxpar[0], -fTDIApertureNeg, 0., 0, "ONLY");
1090 TVirtualMC::GetMC()->Gspos("QTD3", 3, "Q13TM", -3.8-5.5-boxpar[0], fTDIAperturePos, 0., 0, "ONLY");
1091 TVirtualMC::GetMC()->Gspos("QTD3", 4, "Q13TM", -3.8-5.5-boxpar[0], -fTDIApertureNeg, 0., 0, "ONLY");
1092 printf(" AliZDCv4 -> TDI apertures +%1.2f/-%1.2f cm\n",
1093 fTDIAperturePos, fTDIApertureNeg);
1095 tubspar[0] = 12.0/2.;
1096 tubspar[1] = 12.4/2.;
1097 tubspar[2] = 418.5/2.;
1100 TVirtualMC::GetMC()->Gsvolu("QTD4", "TUBS", idtmed[6], tubspar, 5);
1101 TVirtualMC::GetMC()->Gspos("QTD4", 1, "Q13TM", -3.8-10.6, 0., 0., 0, "ONLY");
1102 tubspar[0] = 12.0/2.;
1103 tubspar[1] = 12.4/2.;
1104 tubspar[2] = 418.5/2.;
1107 TVirtualMC::GetMC()->Gsvolu("QTD5", "TUBS", idtmed[6], tubspar, 5);
1108 TVirtualMC::GetMC()->Gspos("QTD5", 1, "Q13TM", -3.8+10.6, 0., 0., 0, "ONLY");
1109 //---------------- END DEFINING TDI INSIDE Q13T -------------------------------
1111 // VCTCG skewed transition piece (ID=332 mm to 212.7 mm) (after TDI)
1112 conpar[0] = (50.0-2.92-1.89)/2.;
1113 conpar[1] = 33.2/2.;
1114 conpar[2] = 33.8/2.;
1115 conpar[3] = 21.27/2.;
1116 conpar[4] = 21.87/2.;
1117 TVirtualMC::GetMC()->Gsvolu("QA11", "CONE", idtmed[7], conpar, 5);
1118 TVirtualMC::GetMC()->Gspos("QA11", 1, "ZDCA", 4.32-3.8, 0., conpar[0]+2.92+zd2, irotpipe5, "ONLY");
1120 //printf(" QA11 skewed CONE from z = %f to z =%f (VCTCG)\n",zd2,2*conpar[0]+2.92+1.89+zd2);
1122 zd2 += 2.*conpar[0]+2.92+1.89;
1124 // The following tube ID 212.7 mm
1125 // represents VMBGA (400 mm) + VCDWE (300 mm) + VMBGA (400 mm) +
1126 // BTVTS (600 mm) + VMLGB (400 mm)
1127 tubpar[0] = 21.27/2.;
1128 tubpar[1] = 21.87/2.;
1129 tubpar[2] = 210.0/2.;
1130 TVirtualMC::GetMC()->Gsvolu("QA12", "TUBE", idtmed[7], tubpar, 3);
1131 TVirtualMC::GetMC()->Gspos("QA12", 1, "ZDCA", 4., 0., tubpar[2]+zd2, 0, "ONLY");
1133 //printf(" QA12 TUBE from z = %1.2f to z= %1.2f (VMBGA+VCDWE+VMBGA+BTVTS+VMLGB)\n",zd2,2*tubpar[2]+zd2);
1135 zd2 += 2.*tubpar[2];
1137 // First part of VCTCC
1138 // skewed transition cone from ID=212.7 mm to ID=797 mm
1139 conpar[0] = (121.0-0.37-1.35)/2.;
1140 conpar[1] = 21.27/2.;
1141 conpar[2] = 21.87/2.;
1142 conpar[3] = 79.7/2.;
1143 conpar[4] = 81.3/2.;
1144 TVirtualMC::GetMC()->Gsvolu("QA13", "CONE", idtmed[7], conpar, 5);
1145 TVirtualMC::GetMC()->Gspos("QA13", 1, "ZDCA", 4.-2., 0., conpar[0]+0.37+zd2, irotpipe3, "ONLY");
1147 //printf(" QA13 CONE from z = %1.2f to z = %1.2f (VCTCC-I)\n",zd2,2*conpar[0]+0.37+1.35+zd2);
1149 zd2 += 2.*conpar[0]+0.37+1.35;
1151 // The following tube ID 797 mm
1152 // represents the second part of VCTCC (4272 mm) +
1153 // 4 x VCDGA (4 x 4272 mm) +
1154 // the first part of VCTCR (850 mm)
1155 // updated according to 2012 ZDC installation
1156 tubpar[0] = 79.7/2.;
1157 tubpar[1] = 81.3/2.;
1158 tubpar[2] = (2221.-136.)/2.;
1159 TVirtualMC::GetMC()->Gsvolu("QA14", "TUBE", idtmed[7], tubpar, 3);
1160 TVirtualMC::GetMC()->Gspos("QA14", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1162 //printf(" QA14 TUBE from z = %1.2f to z = %1.2f (VCTCC-II)\n",zd2,2*tubpar[2]+zd2);
1164 zd2 += 2.*tubpar[2];
1166 // Second part of VCTCR
1167 // Transition from ID=797 mm to ID=196 mm:
1168 // in order to simulate the thin window opened in the transition cone
1169 // we divide the transition cone in three cones:
1170 // (1) 8 mm thick (2) 3 mm thick (3) the third 8 mm thick
1173 conpar[0] = 9.09/2.; // 15 degree
1174 conpar[1] = 79.7/2.;
1175 conpar[2] = 81.3/2.; // thickness 8 mm
1176 conpar[3] = 74.82868/2.;
1177 conpar[4] = 76.42868/2.; // thickness 8 mm
1178 TVirtualMC::GetMC()->Gsvolu("QA15", "CONE", idtmed[7], conpar, 5);
1179 TVirtualMC::GetMC()->Gspos("QA15", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1180 //printf(" QA15 CONE from z = %1.2f to z= %1.2f (VCTCR-I)\n",zd2,2*conpar[0]+zd2);
1182 zd2 += 2.*conpar[0];
1185 conpar[0] = 96.2/2.; // 15 degree
1186 conpar[1] = 74.82868/2.;
1187 conpar[2] = 75.42868/2.; // thickness 3 mm
1188 conpar[3] = 23.19588/2.;
1189 conpar[4] = 23.79588/2.; // thickness 3 mm
1190 TVirtualMC::GetMC()->Gsvolu("QA16", "CONE", idtmed[7], conpar, 5);
1191 TVirtualMC::GetMC()->Gspos("QA16", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1192 //printf(" QA16 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1194 zd2 += 2.*conpar[0];
1197 conpar[0] = 6.71/2.; // 15 degree
1198 conpar[1] = 23.19588/2.;
1199 conpar[2] = 24.79588/2.;// thickness 8 mm
1200 conpar[3] = 19.6/2.;
1201 conpar[4] = 21.2/2.;// thickness 8 mm
1202 TVirtualMC::GetMC()->Gsvolu("QA17", "CONE", idtmed[7], conpar, 5);
1203 TVirtualMC::GetMC()->Gspos("QA17", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1204 //printf(" QA17 CONE from z = %1.2f to z= %1.2f (VCTCR-II)\n",zd2,2*conpar[0]+zd2);
1206 zd2 += 2.*conpar[0];
1208 // Third part of VCTCR: tube (ID=196 mm)
1209 tubpar[0] = 19.6/2.;
1210 tubpar[1] = 21.2/2.;
1211 tubpar[2] = 9.55/2.;
1212 TVirtualMC::GetMC()->Gsvolu("QA18", "TUBE", idtmed[7], tubpar, 3);
1213 TVirtualMC::GetMC()->Gspos("QA18", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1215 //printf(" QA18 TUBE from z = %1.2f to z= %1.2f (VCTCR-III)\n",zd2,2*tubpar[2]+zd2);
1217 zd2 += 2.*tubpar[2];
1219 // Flange (ID=196 mm) (last part of VCTCR and first part of VMZAR)
1220 tubpar[0] = 19.6/2.;
1221 tubpar[1] = 25.3/2.;
1223 TVirtualMC::GetMC()->Gsvolu("QF01", "TUBE", idtmed[7], tubpar, 3);
1224 TVirtualMC::GetMC()->Gspos("QF01", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1226 //printf(" QF01 TUBE from z = %1.2f to z= %1.2f (VMZAR-I)\n",zd2,2*tubpar[2]+zd2);
1228 zd2 += 2.*tubpar[2];
1230 // VMZAR (5 volumes)
1231 tubpar[0] = 20.2/2.;
1232 tubpar[1] = 20.6/2.;
1233 tubpar[2] = 2.15/2.;
1234 TVirtualMC::GetMC()->Gsvolu("QA19", "TUBE", idtmed[7], tubpar, 3);
1235 TVirtualMC::GetMC()->Gspos("QA19", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1237 //printf(" QA19 TUBE from z = %1.2f to z = %1.2f (VMZAR-II)\n",zd2,2*tubpar[2]+zd2);
1239 zd2 += 2.*tubpar[2];
1242 conpar[1] = 20.2/2.;
1243 conpar[2] = 20.6/2.;
1244 conpar[3] = 23.9/2.;
1245 conpar[4] = 24.3/2.;
1246 TVirtualMC::GetMC()->Gsvolu("QA20", "CONE", idtmed[7], conpar, 5);
1247 TVirtualMC::GetMC()->Gspos("QA20", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1249 //printf(" QA20 CONE from z = %1.2f to z = %1.2f (VMZAR-III)\n",zd2,2*conpar[0]+zd2);
1251 zd2 += 2.*conpar[0];
1253 tubpar[0] = 23.9/2.;
1254 tubpar[1] = 25.5/2.;
1255 tubpar[2] = 17.0/2.;
1256 TVirtualMC::GetMC()->Gsvolu("QA21", "TUBE", idtmed[7], tubpar, 3);
1257 TVirtualMC::GetMC()->Gspos("QA21", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1259 //printf(" QA21 TUBE from z = %1.2f to z = %1.2f (VMZAR-IV)\n",zd2,2*tubpar[2]+zd2);
1261 zd2 += 2.*tubpar[2];
1264 conpar[1] = 23.9/2.;
1265 conpar[2] = 24.3/2.;
1266 conpar[3] = 20.2/2.;
1267 conpar[4] = 20.6/2.;
1268 TVirtualMC::GetMC()->Gsvolu("QA22", "CONE", idtmed[7], conpar, 5);
1269 TVirtualMC::GetMC()->Gspos("QA22", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1271 //printf(" QA22 CONE from z = %1.2f to z = %1.2f (VMZAR-V)\n",zd2,2*conpar[0]+zd2);
1273 zd2 += 2.*conpar[0];
1275 tubpar[0] = 20.2/2.;
1276 tubpar[1] = 20.6/2.;
1277 tubpar[2] = 2.15/2.;
1278 TVirtualMC::GetMC()->Gsvolu("QA23", "TUBE", idtmed[7], tubpar, 3);
1279 TVirtualMC::GetMC()->Gspos("QA23", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1281 //printf(" QA23 TUBE from z = %1.2f to z= %1.2f (VMZAR-VI)\n",zd2,2*tubpar[2]+zd2);
1283 zd2 += 2.*tubpar[2];
1285 // Flange (ID=196 mm)(last part of VMZAR and first part of VCTYD)
1286 tubpar[0] = 19.6/2.;
1287 tubpar[1] = 25.3/2.;
1289 TVirtualMC::GetMC()->Gsvolu("QF02", "TUBE", idtmed[7], tubpar, 3);
1290 TVirtualMC::GetMC()->Gspos("QF02", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1292 //printf(" QF02 TUBE from z = %1.2f to z= %1.2f (VMZAR-VII)\n",zd2,2*tubpar[2]+zd2);
1294 zd2 += 2.*tubpar[2];
1296 // simulation of the trousers (VCTYB)
1297 tubpar[0] = 19.6/2.;
1298 tubpar[1] = 20.0/2.;
1300 TVirtualMC::GetMC()->Gsvolu("QA24", "TUBE", idtmed[7], tubpar, 3);
1301 TVirtualMC::GetMC()->Gspos("QA24", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1303 //printf(" QA24 TUBE from z = %1.2f to z= %1.2f (VCTYB)\n",zd2,2*tubpar[2]+zd2);
1305 zd2 += 2.*tubpar[2];
1307 // transition cone from ID=196. to ID=216.6
1308 conpar[0] = 32.55/2.;
1309 conpar[1] = 19.6/2.;
1310 conpar[2] = 20.0/2.;
1311 conpar[3] = 21.66/2.;
1312 conpar[4] = 22.06/2.;
1313 TVirtualMC::GetMC()->Gsvolu("QA25", "CONE", idtmed[7], conpar, 5);
1314 TVirtualMC::GetMC()->Gspos("QA25", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1316 //printf(" QA25 CONE from z = %1.2f to z= %1.2f (transition cone)\n",zd2,2*conpar[0]+zd2);
1318 zd2 += 2.*conpar[0];
1321 tubpar[0] = 21.66/2.;
1322 tubpar[1] = 22.06/2.;
1323 tubpar[2] = 28.6/2.;
1324 TVirtualMC::GetMC()->Gsvolu("QA26", "TUBE", idtmed[7], tubpar, 3);
1325 TVirtualMC::GetMC()->Gspos("QA26", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1327 //printf(" QA26 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1329 zd2 += 2.*tubpar[2];
1331 //printf(" Begin of recombination chamber z = %1.2f\n",zd2);
1333 // --------------------------------------------------------
1334 // RECOMBINATION CHAMBER IMPLEMENTED USING TGeo CLASSES!!!!
1335 // author: Chiara (June 2008)
1336 // --------------------------------------------------------
1337 // TRANSFORMATION MATRICES
1338 // Combi transformation:
1343 thx = 84.989100; phx = 0.000000;
1344 thy = 90.000000; phy = 90.000000;
1345 thz = 5.010900; phz = 180.000000;
1346 TGeoRotation *rotMatrix1 = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
1347 // Combi transformation:
1351 TGeoCombiTrans *rotMatrix2 = new TGeoCombiTrans("ZDC_c1", dx,dy,dz,rotMatrix1);
1352 rotMatrix2->RegisterYourself();
1353 // Combi transformation:
1358 thx = 95.010900; phx = 0.000000;
1359 thy = 90.000000; phy = 90.000000;
1360 thz = 5.010900; phz = 0.000000;
1361 TGeoRotation *rotMatrix3 = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
1362 TGeoCombiTrans *rotMatrix4 = new TGeoCombiTrans("ZDC_c2", dx,dy,dz,rotMatrix3);
1363 rotMatrix4->RegisterYourself();
1366 // VOLUMES DEFINITION
1368 TGeoVolume *pZDCA = gGeoManager->GetVolume("ZDCA");
1370 conpar[0] = (90.1-0.95-0.26)/2.;
1372 conpar[2] = 21.6/2.;
1375 new TGeoCone("QALext", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
1377 conpar[0] = (90.1-0.95-0.26)/2.;
1379 conpar[2] = 21.2/2.;
1382 new TGeoCone("QALint", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
1385 TGeoCompositeShape *pOutTrousers = new TGeoCompositeShape("outTrousers", "QALext:ZDC_c1+QALext:ZDC_c2");
1388 //TGeoMedium *medZDCFe = gGeoManager->GetMedium("ZDC_ZIRON");
1389 TGeoVolume *pQALext = new TGeoVolume("QALext",pOutTrousers, medZDCFe);
1390 pQALext->SetLineColor(kBlue);
1391 pQALext->SetVisLeaves(kTRUE);
1393 TGeoTranslation *tr1 = new TGeoTranslation(0., 0., (Double_t) conpar[0]+0.95+zd2);
1394 pZDCA->AddNode(pQALext, 1, tr1);
1396 TGeoCompositeShape *pIntTrousers = new TGeoCompositeShape("intTrousers", "QALint:ZDC_c1+QALint:ZDC_c2");
1398 //TGeoMedium *medZDCvoid = gGeoManager->GetMedium("ZDC_ZVOID");
1399 TGeoVolume *pQALint = new TGeoVolume("QALint",pIntTrousers, medZDCvoid);
1400 pQALint->SetLineColor(kAzure);
1401 pQALint->SetVisLeaves(kTRUE);
1402 pQALext->AddNode(pQALint, 1);
1406 //printf(" End of recombination chamber z = %1.2f\n",zd2);
1409 // second section : 2 tubes (ID = 54. OD = 58.)
1412 tubpar[2] = 40.0/2.;
1413 TVirtualMC::GetMC()->Gsvolu("QA27", "TUBE", idtmed[7], tubpar, 3);
1414 TVirtualMC::GetMC()->Gspos("QA27", 1, "ZDCA", -15.8/2., 0., tubpar[2]+zd2, 0, "ONLY");
1415 TVirtualMC::GetMC()->Gspos("QA27", 2, "ZDCA", 15.8/2., 0., tubpar[2]+zd2, 0, "ONLY");
1417 //printf(" QA27 TUBE from z = %1.2f to z= %1.2f (separate pipes)\n",zd2,2*tubpar[2]+zd2);
1419 zd2 += 2.*tubpar[2];
1421 // transition x2zdc to recombination chamber : skewed cone
1422 conpar[0] = (10.-1.)/2.;
1427 TVirtualMC::GetMC()->Gsvolu("QA28", "CONE", idtmed[7], conpar, 5);
1428 TVirtualMC::GetMC()->Gspos("QA28", 1, "ZDCA", -7.9-0.175, 0., conpar[0]+0.5+zd2, irotpipe1, "ONLY");
1429 TVirtualMC::GetMC()->Gspos("QA28", 2, "ZDCA", 7.9+0.175, 0., conpar[0]+0.5+zd2, irotpipe2, "ONLY");
1430 //printf(" QA28 CONE from z = %1.2f to z= %1.2f (transition X2ZDC)\n",zd2,2*conpar[0]+0.2+zd2);
1432 zd2 += 2.*conpar[0]+1.;
1434 // 2 tubes (ID = 63 mm OD=70 mm)
1437 tubpar[2] = (342.5+498.3)/2.;
1438 TVirtualMC::GetMC()->Gsvolu("QA29", "TUBE", idtmed[7], tubpar, 3);
1439 TVirtualMC::GetMC()->Gspos("QA29", 1, "ZDCA", -16.5/2., 0., tubpar[2]+zd2, 0, "ONLY");
1440 TVirtualMC::GetMC()->Gspos("QA29", 2, "ZDCA", 16.5/2., 0., tubpar[2]+zd2, 0, "ONLY");
1441 //printf(" QA29 TUBE from z = %1.2f to z= %1.2f (separate pipes)\n",zd2,2*tubpar[2]+zd2);
1443 zd2 += 2.*tubpar[2];
1445 // -- Luminometer (Cu box) in front of ZN - side A
1449 boxpar[2] = fLumiLength/2.;
1450 TVirtualMC::GetMC()->Gsvolu("QLUA", "BOX ", idtmed[9], boxpar, 3);
1451 TVirtualMC::GetMC()->Gspos("QLUA", 1, "ZDCA", 0., 0., fPosZNA[2]-66.-boxpar[2], 0, "ONLY");
1452 printf(" A SIDE LUMINOMETER %1.2f < z < %1.2f\n\n", fPosZNA[2]-66., fPosZNA[2]-66.-2*boxpar[2]);
1454 printf(" END OF A SIDE BEAM PIPE VOLUME DEFINITION AT z = %f m from IP2\n",zd2/100.);
1457 // ----------------------------------------------------------------
1458 // -- MAGNET DEFINITION -> LHC OPTICS 6.5
1459 // ----------------------------------------------------------------
1460 // ***************************************************************
1461 // SIDE C - RB26 (dimuon side)
1462 // ***************************************************************
1463 // -- COMPENSATOR DIPOLE (MBXW)
1466 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1469 tubpar[2] = 153./2.;
1470 TVirtualMC::GetMC()->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3);
1471 TVirtualMC::GetMC()->Gspos("MBXW", 1, "ZDCC", 0., 0., -tubpar[2]-zCorrDip, 0, "ONLY");
1475 tubpar[2] = 150./2.;
1476 TVirtualMC::GetMC()->Gsvolu("YMBX", "TUBE", idtmed[7], tubpar, 3);
1477 TVirtualMC::GetMC()->Gspos("YMBX", 1, "ZDCC", 0., 0., -1.5-tubpar[2]-zCorrDip, 0, "ONLY");
1483 // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT
1485 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1488 tubpar[2] = 637./2.;
1489 TVirtualMC::GetMC()->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3);
1494 tubpar[2] = 637./2.;
1495 TVirtualMC::GetMC()->Gsvolu("YMQL", "TUBE", idtmed[7], tubpar, 3);
1497 TVirtualMC::GetMC()->Gspos("MQXL", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip, 0, "ONLY");
1498 TVirtualMC::GetMC()->Gspos("YMQL", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip, 0, "ONLY");
1500 TVirtualMC::GetMC()->Gspos("MQXL", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-2400., 0, "ONLY");
1501 TVirtualMC::GetMC()->Gspos("YMQL", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-2400., 0, "ONLY");
1504 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1507 tubpar[2] = 550./2.;
1508 TVirtualMC::GetMC()->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3);
1513 tubpar[2] = 550./2.;
1514 TVirtualMC::GetMC()->Gsvolu("YMQ ", "TUBE", idtmed[7], tubpar, 3);
1516 TVirtualMC::GetMC()->Gspos("MQX ", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-908.5, 0, "ONLY");
1517 TVirtualMC::GetMC()->Gspos("YMQ ", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-908.5, 0, "ONLY");
1519 TVirtualMC::GetMC()->Gspos("MQX ", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-1558.5, 0, "ONLY");
1520 TVirtualMC::GetMC()->Gspos("YMQ ", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-1558.5, 0, "ONLY");
1522 // -- SEPARATOR DIPOLE D1
1525 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1528 tubpar[2] = 945./2.;
1529 TVirtualMC::GetMC()->Gsvolu("MD1 ", "TUBE", idtmed[11], tubpar, 3);
1531 // -- Insert horizontal Cu plates inside D1
1532 // -- (to simulate the vacuum chamber)
1533 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.98+0.2)*(2.98+0.2)) - 0.05;
1535 boxpar[2] = 945./2.;
1536 TVirtualMC::GetMC()->Gsvolu("MD1V", "BOX ", idtmed[6], boxpar, 3);
1537 TVirtualMC::GetMC()->Gspos("MD1V", 1, "MD1 ", 0., 2.98+boxpar[1], 0., 0, "ONLY");
1538 TVirtualMC::GetMC()->Gspos("MD1V", 2, "MD1 ", 0., -2.98-boxpar[1], 0., 0, "ONLY");
1542 tubpar[1] = 110./2.;
1543 tubpar[2] = 945./2.;
1544 TVirtualMC::GetMC()->Gsvolu("YD1 ", "TUBE", idtmed[7], tubpar, 3);
1546 TVirtualMC::GetMC()->Gspos("YD1 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD1, 0, "ONLY");
1547 TVirtualMC::GetMC()->Gspos("MD1 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD1, 0, "ONLY");
1549 //printf(" MD1 from z = %1.2f to z= %1.2f cm\n",-zD1, -zD1-2*tubpar[2]);
1553 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1556 tubpar[2] = 945./2.;
1557 TVirtualMC::GetMC()->Gsvolu("MD2 ", "TUBE", idtmed[11], tubpar, 3);
1562 tubpar[2] = 945./2.;
1563 TVirtualMC::GetMC()->Gsvolu("YD2 ", "TUBE", idtmed[7], tubpar, 3);
1565 TVirtualMC::GetMC()->Gspos("YD2 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD2, 0, "ONLY");
1567 //printf(" YD2 from z = %1.2f to z= %1.2f cm\n",-zD2, -zD2-2*tubpar[2]);
1569 TVirtualMC::GetMC()->Gspos("MD2 ", 1, "YD2 ", -9.4, 0., 0., 0, "ONLY");
1570 TVirtualMC::GetMC()->Gspos("MD2 ", 2, "YD2 ", 9.4, 0., 0., 0, "ONLY");
1572 // ***************************************************************
1574 // ***************************************************************
1576 // COMPENSATOR DIPOLE (MCBWA) (2nd compensator)
1577 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1580 tubpar[2] = 153./2.;
1581 TVirtualMC::GetMC()->Gsvolu("MCBW", "TUBE", idtmed[11], tubpar, 3);
1582 TVirtualMC::GetMC()->Gspos("MCBW", 1, "ZDCA", 0., 0., tubpar[2]+zCorrDip, 0, "ONLY");
1587 tubpar[2] = 153./2.;
1588 TVirtualMC::GetMC()->Gsvolu("YMCB", "TUBE", idtmed[7], tubpar, 3);
1589 TVirtualMC::GetMC()->Gspos("YMCB", 1, "ZDCA", 0., 0., tubpar[2]+zCorrDip, 0, "ONLY");
1592 // -- DEFINE MQX1 AND MQX2 QUADRUPOLE ELEMENT
1594 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1597 tubpar[2] = 637./2.;
1598 TVirtualMC::GetMC()->Gsvolu("MQX1", "TUBE", idtmed[11], tubpar, 3);
1599 TVirtualMC::GetMC()->Gsvolu("MQX4", "TUBE", idtmed[11], tubpar, 3);
1604 tubpar[2] = 637./2.;
1605 TVirtualMC::GetMC()->Gsvolu("YMQ1", "TUBE", idtmed[7], tubpar, 3);
1608 TVirtualMC::GetMC()->Gspos("MQX1", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip, 0, "ONLY");
1609 TVirtualMC::GetMC()->Gspos("YMQ1", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip, 0, "ONLY");
1611 // -- BEAM SCREEN FOR Q1
1612 tubpar[0] = 4.78/2.;
1613 tubpar[1] = 5.18/2.;
1614 tubpar[2] = 637./2.;
1615 TVirtualMC::GetMC()->Gsvolu("QBS1", "TUBE", idtmed[6], tubpar, 3);
1616 TVirtualMC::GetMC()->Gspos("QBS1", 1, "MQX1", 0., 0., 0., 0, "ONLY");
1617 // INSERT VERTICAL PLATE INSIDE Q1
1618 boxpar[0] = 0.2/2.0;
1619 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(1.9+0.2)*(1.9+0.2));
1620 boxpar[2] = 637./2.;
1621 TVirtualMC::GetMC()->Gsvolu("QBS2", "BOX ", idtmed[6], boxpar, 3);
1622 TVirtualMC::GetMC()->Gspos("QBS2", 1, "MQX1", 1.9+boxpar[0], 0., 0., 0, "ONLY");
1623 TVirtualMC::GetMC()->Gspos("QBS2", 2, "MQX1", -1.9-boxpar[0], 0., 0., 0, "ONLY");
1626 TVirtualMC::GetMC()->Gspos("MQX4", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+2400., 0, "ONLY");
1627 TVirtualMC::GetMC()->Gspos("YMQ1", 2, "ZDCA", 0., 0., tubpar[2]+zInnTrip+2400., 0, "ONLY");
1629 // -- BEAM SCREEN FOR Q3
1630 tubpar[0] = 5.79/2.;
1631 tubpar[1] = 6.14/2.;
1632 tubpar[2] = 637./2.;
1633 TVirtualMC::GetMC()->Gsvolu("QBS3", "TUBE", idtmed[6], tubpar, 3);
1634 TVirtualMC::GetMC()->Gspos("QBS3", 1, "MQX4", 0., 0., 0., 0, "ONLY");
1635 // INSERT VERTICAL PLATE INSIDE Q3
1636 boxpar[0] = 0.2/2.0;
1637 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(2.405+0.2)*(2.405+0.2));
1639 TVirtualMC::GetMC()->Gsvolu("QBS4", "BOX ", idtmed[6], boxpar, 3);
1640 TVirtualMC::GetMC()->Gspos("QBS4", 1, "MQX4", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1641 TVirtualMC::GetMC()->Gspos("QBS4", 2, "MQX4", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1646 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1649 tubpar[2] = 550./2.;
1650 TVirtualMC::GetMC()->Gsvolu("MQX2", "TUBE", idtmed[11], tubpar, 3);
1651 TVirtualMC::GetMC()->Gsvolu("MQX3", "TUBE", idtmed[11], tubpar, 3);
1656 tubpar[2] = 550./2.;
1657 TVirtualMC::GetMC()->Gsvolu("YMQ2", "TUBE", idtmed[7], tubpar, 3);
1659 // -- BEAM SCREEN FOR Q2
1660 tubpar[0] = 5.79/2.;
1661 tubpar[1] = 6.14/2.;
1662 tubpar[2] = 550./2.;
1663 TVirtualMC::GetMC()->Gsvolu("QBS5", "TUBE", idtmed[6], tubpar, 3);
1664 // VERTICAL PLATE INSIDE Q2
1665 boxpar[0] = 0.2/2.0;
1666 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(2.405+0.2)*(2.405+0.2));
1668 TVirtualMC::GetMC()->Gsvolu("QBS6", "BOX ", idtmed[6], boxpar, 3);
1671 TVirtualMC::GetMC()->Gspos("MQX2", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+908.5, 0, "ONLY");
1672 TVirtualMC::GetMC()->Gspos("QBS5", 1, "MQX2", 0., 0., 0., 0, "ONLY");
1673 TVirtualMC::GetMC()->Gspos("QBS6", 1, "MQX2", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1674 TVirtualMC::GetMC()->Gspos("QBS6", 2, "MQX2", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1675 TVirtualMC::GetMC()->Gspos("YMQ2", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+908.5, 0, "ONLY");
1679 TVirtualMC::GetMC()->Gspos("MQX3", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+1558.5, 0, "ONLY");
1680 TVirtualMC::GetMC()->Gspos("QBS5", 2, "MQX3", 0., 0., 0., 0, "ONLY");
1681 TVirtualMC::GetMC()->Gspos("QBS6", 3, "MQX3", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1682 TVirtualMC::GetMC()->Gspos("QBS6", 4, "MQX3", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1683 TVirtualMC::GetMC()->Gspos("YMQ2", 2, "ZDCA", 0., 0., tubpar[2]+zInnTrip+1558.5, 0, "ONLY");
1685 // -- SEPARATOR DIPOLE D1
1686 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1688 tubpar[1] = 6.75/2.;//3.375
1689 tubpar[2] = 945./2.;
1690 TVirtualMC::GetMC()->Gsvolu("MD1L", "TUBE", idtmed[11], tubpar, 3);
1692 // -- The beam screen tube is provided by the beam pipe in D1 (QA03 volume)
1693 // -- Insert the beam screen horizontal Cu plates inside D1
1694 // -- (to simulate the vacuum chamber)
1695 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.885+0.2)*(2.885+0.2));
1698 TVirtualMC::GetMC()->Gsvolu("QBS7", "BOX ", idtmed[6], boxpar, 3);
1699 TVirtualMC::GetMC()->Gspos("QBS7", 1, "MD1L", 0., 2.885+boxpar[1],0., 0, "ONLY");
1700 TVirtualMC::GetMC()->Gspos("QBS7", 2, "MD1L", 0., -2.885-boxpar[1],0., 0, "ONLY");
1705 tubpar[2] = 945./2.;
1706 TVirtualMC::GetMC()->Gsvolu("YD1L", "TUBE", idtmed[7], tubpar, 3);
1708 TVirtualMC::GetMC()->Gspos("YD1L", 1, "ZDCA", 0., 0., tubpar[2]+zD1, 0, "ONLY");
1709 TVirtualMC::GetMC()->Gspos("MD1L", 1, "ZDCA", 0., 0., tubpar[2]+zD1, 0, "ONLY");
1712 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1714 tubpar[1] = 7.5/2.; // this has to be checked
1715 tubpar[2] = 945./2.;
1716 TVirtualMC::GetMC()->Gsvolu("MD2L", "TUBE", idtmed[11], tubpar, 3);
1721 tubpar[2] = 945./2.;
1722 TVirtualMC::GetMC()->Gsvolu("YD2L", "TUBE", idtmed[7], tubpar, 3);
1724 TVirtualMC::GetMC()->Gspos("YD2L", 1, "ZDCA", 0., 0., tubpar[2]+zD2, 0, "ONLY");
1726 TVirtualMC::GetMC()->Gspos("MD2L", 1, "YD2L", -9.4, 0., 0., 0, "ONLY");
1727 TVirtualMC::GetMC()->Gspos("MD2L", 2, "YD2L", 9.4, 0., 0., 0, "ONLY");
1729 // -- END OF MAGNET DEFINITION
1732 //_____________________________________________________________________________
1733 void AliZDCv4::CreateZDC()
1736 // Create the various ZDCs (ZN + ZP)
1739 Float_t dimPb[6], dimVoid[6];
1741 Int_t *idtmed = fIdtmed->GetArray();
1743 // Parameters for EM calorimeter geometry
1744 // NB -> parameters used ONLY in CreateZDC()
1745 Float_t kDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
1746 Float_t kFibRadZEM = 0.0315; // External fiber radius (including cladding)
1747 Int_t fDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
1748 Float_t fDimZEM[6] = {fZEMLength, 3.5, 3.5, 45., 0., 0.}; // Dimensions of EM detector
1749 Float_t fFibZEM2 = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-kFibRadZEM;
1750 Float_t fFibZEM[3] = {0., 0.0275, fFibZEM2}; // Fibers for EM calorimeter
1753 // Parameters for hadronic calorimeters geometry
1754 // NB -> parameters used ONLY in CreateZDC()
1755 Float_t fGrvZN[3] = {0.03, 0.03, 50.}; // Grooves for neutron detector
1756 Float_t fGrvZP[3] = {0.04, 0.04, 75.}; // Grooves for proton detector
1757 Int_t fDivZN[3] = {11, 11, 0}; // Division for neutron detector
1758 Int_t fDivZP[3] = {7, 15, 0}; // Division for proton detector
1759 Int_t fTowZN[2] = {2, 2}; // Tower for neutron detector
1760 Int_t fTowZP[2] = {4, 1}; // Tower for proton detector
1764 //-- Create calorimeters geometry
1766 // -------------------------------------------------------------------------------
1767 //--> Neutron calorimeter (ZN)
1769 TVirtualMC::GetMC()->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material
1770 TVirtualMC::GetMC()->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material
1771 TVirtualMC::GetMC()->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3);
1772 TVirtualMC::GetMC()->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3);
1773 TVirtualMC::GetMC()->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3);
1774 TVirtualMC::GetMC()->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves
1775 TVirtualMC::GetMC()->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3);
1776 TVirtualMC::GetMC()->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3);
1777 TVirtualMC::GetMC()->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3);
1779 // Divide ZNEU in towers (for hits purposes)
1781 TVirtualMC::GetMC()->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower
1782 TVirtualMC::GetMC()->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower
1784 //-- Divide ZN1 in minitowers
1785 // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS,
1786 // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS
1787 // (4 fibres per minitower)
1789 TVirtualMC::GetMC()->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices
1790 TVirtualMC::GetMC()->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks
1792 // --- Position the empty grooves in the sticks (4 grooves per stick)
1793 Float_t dx = fDimZN[0] / fDivZN[0] / 4.;
1794 Float_t dy = fDimZN[1] / fDivZN[1] / 4.;
1796 TVirtualMC::GetMC()->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY");
1797 TVirtualMC::GetMC()->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY");
1798 TVirtualMC::GetMC()->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY");
1799 TVirtualMC::GetMC()->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY");
1801 // --- Position the fibers in the grooves
1802 TVirtualMC::GetMC()->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY");
1803 TVirtualMC::GetMC()->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY");
1804 TVirtualMC::GetMC()->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY");
1805 TVirtualMC::GetMC()->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY");
1807 // --- Position the neutron calorimeter in ZDC
1808 // -- Rotation of ZDCs
1810 TVirtualMC::GetMC()->Matrix(irotzdc, 90., 180., 90., 90., 180., 0.);
1812 TVirtualMC::GetMC()->Gspos("ZNEU", 1, "ZDCC", fPosZNC[0], fPosZNC[1], fPosZNC[2]-fDimZN[2], irotzdc, "ONLY");
1814 //printf("\n ZN -> %f < z < %f cm\n",fPosZN[2],fPosZN[2]-2*fDimZN[2]);
1816 // --- Position the neutron calorimeter in ZDC2 (left line)
1817 // -- No Rotation of ZDCs
1818 TVirtualMC::GetMC()->Gspos("ZNEU", 2, "ZDCA", fPosZNA[0], fPosZNA[1], fPosZNA[2]+fDimZN[2], 0, "ONLY");
1820 printf("\n ZNA -> %f < z < %f cm\n",fPosZNA[2],fPosZNA[2]+2*fDimZN[2]);
1823 // -------------------------------------------------------------------------------
1824 //--> Proton calorimeter (ZP)
1826 TVirtualMC::GetMC()->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material
1827 TVirtualMC::GetMC()->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material
1828 TVirtualMC::GetMC()->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3);
1829 TVirtualMC::GetMC()->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3);
1830 TVirtualMC::GetMC()->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3);
1831 TVirtualMC::GetMC()->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves
1832 TVirtualMC::GetMC()->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3);
1833 TVirtualMC::GetMC()->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3);
1834 TVirtualMC::GetMC()->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3);
1836 //-- Divide ZPRO in towers(for hits purposes)
1838 TVirtualMC::GetMC()->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower
1839 TVirtualMC::GetMC()->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower
1842 //-- Divide ZP1 in minitowers
1843 // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER,
1844 // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER
1845 // (4 fiber per minitower)
1847 TVirtualMC::GetMC()->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices
1848 TVirtualMC::GetMC()->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks
1850 // --- Position the empty grooves in the sticks (4 grooves per stick)
1851 dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.;
1852 dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.;
1854 TVirtualMC::GetMC()->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY");
1855 TVirtualMC::GetMC()->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY");
1856 TVirtualMC::GetMC()->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY");
1857 TVirtualMC::GetMC()->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY");
1859 // --- Position the fibers in the grooves
1860 TVirtualMC::GetMC()->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY");
1861 TVirtualMC::GetMC()->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY");
1862 TVirtualMC::GetMC()->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY");
1863 TVirtualMC::GetMC()->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY");
1866 // --- Position the proton calorimeter in ZDCC
1867 TVirtualMC::GetMC()->Gspos("ZPRO", 1, "ZDCC", fPosZPC[0], fPosZPC[1], fPosZPC[2]-fDimZP[2], irotzdc, "ONLY");
1869 //printf("\n ZP -> %f < z < %f cm\n",fPosZP[2],fPosZP[2]-2*fDimZP[2]);
1871 // --- Position the proton calorimeter in ZDCA
1873 TVirtualMC::GetMC()->Gspos("ZPRO", 2, "ZDCA", fPosZPA[0], fPosZPA[1], fPosZPA[2]+fDimZP[2], 0, "ONLY");
1875 printf("\n ZPA -> %f < z < %f cm\n",fPosZPA[2],fPosZPA[2]+2*fDimZP[2]);
1878 // -------------------------------------------------------------------------------
1879 // -> EM calorimeter (ZEM)
1881 TVirtualMC::GetMC()->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6);
1884 TVirtualMC::GetMC()->Matrix(irot1,0.,0.,90.,90.,-90.,0.); // Rotation matrix 1
1885 TVirtualMC::GetMC()->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]);// Rotation matrix 2
1886 //printf("irot1 = %d, irot2 = %d \n", irot1, irot2);
1888 TVirtualMC::GetMC()->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material
1890 TVirtualMC::GetMC()->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches
1892 dimPb[0] = kDimZEMPb; // Lead slices
1893 dimPb[1] = fDimZEM[2];
1894 dimPb[2] = fDimZEM[1];
1895 //dimPb[3] = fDimZEM[3]; //controllare
1896 dimPb[3] = 90.-fDimZEM[3]; //originale
1899 TVirtualMC::GetMC()->Gsvolu("ZEL0", "PARA", idtmed[5], dimPb, 6);
1900 TVirtualMC::GetMC()->Gsvolu("ZEL1", "PARA", idtmed[5], dimPb, 6);
1901 TVirtualMC::GetMC()->Gsvolu("ZEL2", "PARA", idtmed[5], dimPb, 6);
1903 // --- Position the lead slices in the tranche
1904 Float_t zTran = fDimZEM[0]/fDivZEM[2];
1905 Float_t zTrPb = -zTran+kDimZEMPb;
1906 TVirtualMC::GetMC()->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY");
1907 TVirtualMC::GetMC()->Gspos("ZEL1", 1, "ZETR", kDimZEMPb, 0., 0., 0, "ONLY");
1909 // --- Vacuum zone (to be filled with fibres)
1910 dimVoid[0] = (zTran-2*kDimZEMPb)/2.;
1911 dimVoid[1] = fDimZEM[2];
1912 dimVoid[2] = fDimZEM[1];
1913 dimVoid[3] = 90.-fDimZEM[3];
1916 TVirtualMC::GetMC()->Gsvolu("ZEV0", "PARA", idtmed[10], dimVoid,6);
1917 TVirtualMC::GetMC()->Gsvolu("ZEV1", "PARA", idtmed[10], dimVoid,6);
1919 // --- Divide the vacuum slice into sticks along x axis
1920 TVirtualMC::GetMC()->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3);
1921 TVirtualMC::GetMC()->Gsdvn("ZES1", "ZEV1", fDivZEM[0], 3);
1923 // --- Positioning the fibers into the sticks
1924 TVirtualMC::GetMC()->Gspos("ZEMF", 1,"ZES0", 0., 0., 0., irot2, "ONLY");
1925 TVirtualMC::GetMC()->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY");
1927 // --- Positioning the vacuum slice into the tranche
1928 //Float_t displFib = fDimZEM[1]/fDivZEM[0];
1929 TVirtualMC::GetMC()->Gspos("ZEV0", 1,"ZETR", -dimVoid[0], 0., 0., 0, "ONLY");
1930 TVirtualMC::GetMC()->Gspos("ZEV1", 1,"ZETR", -dimVoid[0]+zTran, 0., 0., 0, "ONLY");
1932 // --- Positioning the ZEM into the ZDC - rotation for 90 degrees
1933 // NB -> ZEM is positioned in ALIC (instead of in ZDC) volume
1934 TVirtualMC::GetMC()->Gspos("ZEM ", 1,"ALIC", -fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
1936 // Second EM ZDC (same side w.r.t. IP, just on the other side w.r.t. beam pipe)
1937 TVirtualMC::GetMC()->Gspos("ZEM ", 2,"ALIC", fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
1939 // --- Adding last slice at the end of the EM calorimeter
1940 Float_t zLastSlice = fPosZEM[2]+kDimZEMPb+2*fDimZEM[0];
1941 TVirtualMC::GetMC()->Gspos("ZEL2", 1,"ALIC", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY");
1943 //printf("\n ZEM lenght = %f cm\n",2*fZEMLength);
1944 //printf("\n ZEM -> %f < z < %f cm\n",fPosZEM[2],fPosZEM[2]+2*fZEMLength+zLastSlice+kDimZEMPb);
1948 //_____________________________________________________________________________
1949 void AliZDCv4::CreateMaterials()
1952 // Create Materials for the Zero Degree Calorimeter
1954 Float_t dens=0., ubuf[1]={0.};
1955 Float_t wmat[3]={0.,0,0}, a[3]={0.,0,0}, z[3]={0.,0,0};
1957 // --- W alloy -> ZN passive material
1968 AliMixture(1, "WALL", a, z, dens, 3, wmat);
1970 // --- Brass (CuZn) -> ZP passive material
1978 AliMixture(2, "BRASS", a, z, dens, 2, wmat);
1988 AliMixture(3, "SIO2", a, z, dens, -2, wmat);
1992 AliMaterial(5, "LEAD", 207.19, 82., 11.35, .56, 0., ubuf, 1);
1994 // --- Copper (energy loss taken into account)
1996 AliMaterial(6, "COPP0", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
2000 AliMaterial(9, "COPP1", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
2002 // --- Iron (energy loss taken into account)
2004 AliMaterial(7, "IRON0", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
2006 // --- Iron (no energy loss)
2008 AliMaterial(8, "IRON1", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
2012 AliMaterial(13, "TANT", 183.84, 74., 19.3, 0.35, 0., ubuf, 1);
2014 // ---------------------------------------------------------
2015 Float_t aResGas[3]={1.008,12.0107,15.9994};
2016 Float_t zResGas[3]={1.,6.,8.};
2017 Float_t wResGas[3]={0.28,0.28,0.44};
2018 Float_t dResGas = 3.2E-14;
2020 // --- Vacuum (no magnetic field)
2021 AliMixture(10, "VOID", aResGas, zResGas, dResGas, 3, wResGas);
2023 // --- Vacuum (with magnetic field)
2024 AliMixture(11, "VOIM", aResGas, zResGas, dResGas, 3, wResGas);
2026 // --- Air (no magnetic field)
2027 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
2028 Float_t zAir[4]={6.,7.,8.,18.};
2029 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
2030 Float_t dAir = 1.20479E-3;
2032 AliMixture(12, "Air $", aAir, zAir, dAir, 4, wAir);
2034 // --- Definition of tracking media:
2036 // --- Tantalum = 1 ;
2038 // --- Fibers (SiO2) = 3 ;
2039 // --- Fibers (SiO2) = 4 ;
2041 // --- Copper (with high thr.)= 6 ;
2042 // --- Copper (with low thr.)= 9;
2043 // --- Iron (with energy loss) = 7 ;
2044 // --- Iron (without energy loss) = 8 ;
2045 // --- Vacuum (no field) = 10
2046 // --- Vacuum (with field) = 11
2047 // --- Air (no field) = 12
2049 // ****************************************************
2050 // Tracking media parameters
2052 Float_t epsil = 0.01; // Tracking precision,
2053 Float_t stmin = 0.01; // Min. value 4 max. step (cm)
2054 Float_t stemax = 1.; // Max. step permitted (cm)
2055 Float_t tmaxfd = 0.; // Maximum angle due to field (degrees)
2056 Float_t tmaxfdv = 0.1; // Maximum angle due to field (degrees)
2057 Float_t deemax = -1.; // Maximum fractional energy loss
2058 Float_t nofieldm = 0.; // Max. field value (no field)
2059 Float_t fieldm = 45.; // Max. field value (with field)
2060 Int_t isvol = 0; // ISVOL =0 -> not sensitive volume
2061 Int_t isvolActive = 1; // ISVOL =1 -> sensitive volume
2062 Int_t inofld = 0; // IFIELD=0 -> no magnetic field
2063 Int_t ifield = 2; // IFIELD=2 -> magnetic field defined in AliMagFC.h
2064 // *****************************************************
2066 AliMedium(1, "ZWALL", 1, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2067 AliMedium(2, "ZBRASS",2, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2068 AliMedium(3, "ZSIO2", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2069 AliMedium(4, "ZQUAR", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2070 AliMedium(5, "ZLEAD", 5, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2071 AliMedium(6, "ZCOPP", 6, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2072 AliMedium(7, "ZIRON", 7, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2073 AliMedium(8, "ZIRONN",8, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2074 AliMedium(9, "ZCOPL", 6, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2075 AliMedium(10,"ZVOID",10, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2076 AliMedium(11,"ZVOIM",11, isvol, ifield, fieldm, tmaxfdv,stemax, deemax, epsil, stmin);
2077 AliMedium(12,"ZAIR", 12, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2078 AliMedium(13,"ZTANT",13, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2079 AliMedium(14,"ZIRONT",7, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2083 //_____________________________________________________________________________
2084 void AliZDCv4::AddAlignableVolumes() const
2087 // Create entries for alignable volumes associating the symbolic volume
2088 // name with the corresponding volume path. Needs to be syncronized with
2089 // eventual changes in the geometry.
2091 if(fOnlyZEM) return;
2093 TString volpath1 = "ALIC_1/ZDCC_1/ZNEU_1";
2094 TString volpath2 = "ALIC_1/ZDCC_1/ZPRO_1";
2095 TString volpath3 = "ALIC_1/ZDCA_1/ZNEU_2";
2096 TString volpath4 = "ALIC_1/ZDCA_1/ZPRO_2";
2098 TString symname1="ZDC/NeutronZDC_C";
2099 TString symname2="ZDC/ProtonZDC_C";
2100 TString symname3="ZDC/NeutronZDC_A";
2101 TString symname4="ZDC/ProtonZDC_A";
2103 if(!gGeoManager->SetAlignableEntry(symname1.Data(),volpath1.Data()))
2104 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname1.Data(),volpath1.Data()));
2106 if(!gGeoManager->SetAlignableEntry(symname2.Data(),volpath2.Data()))
2107 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname2.Data(),volpath2.Data()));
2109 if(!gGeoManager->SetAlignableEntry(symname3.Data(),volpath3.Data()))
2110 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname1.Data(),volpath1.Data()));
2112 if(!gGeoManager->SetAlignableEntry(symname4.Data(),volpath4.Data()))
2113 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname2.Data(),volpath2.Data()));
2118 //_____________________________________________________________________________
2119 void AliZDCv4::Init()
2122 Int_t *idtmed = fIdtmed->GetArray();
2124 fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material
2125 fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material
2126 fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1
2127 fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2
2128 fMedSensZEM = idtmed[5]; // Sensitive volume: ZEM passive material
2129 fMedSensTDI = idtmed[6]; // Sensitive volume: TDI Cu shield
2130 fMedSensPI = idtmed[7]; // Sensitive volume: beam pipes
2131 fMedSensLumi = idtmed[9]; // Sensitive volume: luminometer
2132 fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves
2133 fMedSensVColl = idtmed[13]; // Sensitive volume: collimator jaws
2136 //_____________________________________________________________________________
2137 void AliZDCv4::InitTables()
2140 // Read light tables for Cerenkov light production parameterization
2146 // --- Reading light tables for ZN
2147 char *lightfName1 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362207s");
2148 FILE *fp1 = fopen(lightfName1,"r");
2150 printf("Cannot open light table from file %s \n",lightfName1);
2154 for(k=0; k<fNalfan; k++){
2155 for(j=0; j<fNben; j++){
2156 read = fscanf(fp1,"%f",&fTablen[0][k][j]);
2157 if(read==0) AliDebug(3, " Error in reading light table 1");
2162 char *lightfName2 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362208s");
2163 FILE *fp2 = fopen(lightfName2,"r");
2165 printf("Cannot open light table from file %s \n",lightfName2);
2169 for(k=0; k<fNalfan; k++){
2170 for(j=0; j<fNben; j++){
2171 read = fscanf(fp2,"%f",&fTablen[1][k][j]);
2172 if(read==0) AliDebug(3, " Error in reading light table 2");
2177 char *lightfName3 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362209s");
2178 FILE *fp3 = fopen(lightfName3,"r");
2180 printf("Cannot open light table from file %s \n",lightfName3);
2184 for(k=0; k<fNalfan; k++){
2185 for(j=0; j<fNben; j++){
2186 read = fscanf(fp3,"%f",&fTablen[2][k][j]);
2187 if(read==0) AliDebug(3, " Error in reading light table 3");
2192 char *lightfName4 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362210s");
2193 FILE *fp4 = fopen(lightfName4,"r");
2195 printf("Cannot open light table from file %s \n",lightfName4);
2199 for(k=0; k<fNalfan; k++){
2200 for(j=0; j<fNben; j++){
2201 read = fscanf(fp4,"%f",&fTablen[3][k][j]);
2202 if(read==0) AliDebug(3, " Error in reading light table 4");
2208 // --- Reading light tables for ZP and ZEM
2209 char *lightfName5 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552207s");
2210 FILE *fp5 = fopen(lightfName5,"r");
2212 printf("Cannot open light table from file %s \n",lightfName5);
2216 for(k=0; k<fNalfap; k++){
2217 for(j=0; j<fNbep; j++){
2218 read = fscanf(fp5,"%f",&fTablep[0][k][j]);
2219 if(read==0) AliDebug(3, " Error in reading light table 5");
2224 char *lightfName6 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552208s");
2225 FILE *fp6 = fopen(lightfName6,"r");
2227 printf("Cannot open light table from file %s \n",lightfName6);
2231 for(k=0; k<fNalfap; k++){
2232 for(j=0; j<fNbep; j++){
2233 read = fscanf(fp6,"%f",&fTablep[1][k][j]);
2234 if(read==0) AliDebug(3, " Error in reading light table 6");
2239 char *lightfName7 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552209s");
2240 FILE *fp7 = fopen(lightfName7,"r");
2242 printf("Cannot open light table from file %s \n",lightfName7);
2246 for(k=0; k<fNalfap; k++){
2247 for(j=0; j<fNbep; j++){
2248 read = fscanf(fp7,"%f",&fTablep[2][k][j]);
2249 if(read==0) AliDebug(3, " Error in reading light table 7");
2254 char *lightfName8 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552210s");
2255 FILE *fp8 = fopen(lightfName8,"r");
2257 printf("Cannot open light table from file %s \n",lightfName8);
2261 for(k=0; k<fNalfap; k++){
2262 for(j=0; j<fNbep; j++){
2263 read = fscanf(fp8,"%f",&fTablep[3][k][j]);
2264 if(read==0) AliDebug(3, " Error in reading light table 8");
2271 //_____________________________________________________________________________
2272 void AliZDCv4::StepManager()
2275 // Routine called at every step in the Zero Degree Calorimeters
2277 Int_t vol[2]={0,0}, ibeta=0, ialfa=0, ibe=0, nphe=0;
2278 Float_t x[3]={0.,0.,0.}, xdet[3]={999.,999.,999.}, um[3]={0.,0.,0.}, ud[3]={0.,0.,0.};
2279 Double_t s[3]={0.,0.,0.}, p[4]={0.,0.,0.,0.};
2280 Float_t destep=0., be=0., out=0.;
2283 for(int j=0; j<14; j++) hits[j]=-999.;
2284 const char *knamed = (TVirtualMC::GetMC())->CurrentVolName();
2285 Int_t mid = TVirtualMC::GetMC()->CurrentMedium();
2287 // Study spectator protons distributions at TDI z
2288 /*TVirtualMC::GetMC()->TrackPosition(s[0],s[1],s[2]);
2289 if(s[2]>=7813.30 && s[2]<=8353.30){
2290 //printf(" \t**** particle in vol. %s\n ",knamed);
2291 TVirtualMC::GetMC()->TrackMomentum(p[0], p[1], p[2], p[3]);
2292 Int_t ctrack = gAlice->GetMCApp()->GetCurrentTrackNumber();
2293 TParticle *cpart = gAlice->GetMCApp()->Particle(ctrack);
2294 printf("\t TDIpc %d %f %f %f %f \n", cpart->GetPdgCode(), s[0],s[1],s[2],p[3]);
2296 else if(s[2]>=8353.30 && s[2]<=8403.30){
2297 TVirtualMC::GetMC()->TrackMomentum(p[0], p[1], p[2], p[3]);
2298 Int_t ctrack = gAlice->GetMCApp()->GetCurrentTrackNumber();
2299 TParticle *cpart = gAlice->GetMCApp()->Particle(ctrack);
2300 printf("\t TDIpc %d %f %f %f %f \n", cpart->GetPdgCode(), s[0],s[1],s[2],p[3]);
2302 else if(s[2]>8403.30){
2303 TVirtualMC::GetMC()->StopTrack();
2307 // --- This part is for no shower developement in beam pipe, TDI, VColl
2308 // If particle interacts with beam pipe, TDI, VColl -> return
2309 if(fNoShower==1 && ((mid == fMedSensPI) || (mid == fMedSensTDI) ||
2310 (mid == fMedSensVColl) || (mid == fMedSensLumi))){
2312 // Avoid to stop track in skewed cones between recombination chambers or separate beam pipes and ZDC (Jan 2015)
2313 if((strncmp(knamed,"QA27",4)) && (strncmp(knamed,"QA28",4)) &&
2314 (strncmp(knamed,"QA29",4))){ // true if it is NOT in QA27 || QA28 || QA29
2316 // If option NoShower is set -> StopTrack
2317 //printf(" \t**** particle in vol. %s\n ",knamed);
2320 TVirtualMC::GetMC()->TrackPosition(s[0],s[1],s[2]);
2321 //printf("\t\t(x,y,z) = (%f, %f, %f)\n", s[0], s[1], s[2]);
2322 TVirtualMC::GetMC()->TrackMomentum(p[0], p[1], p[2], p[3]);
2324 if(mid == fMedSensPI){
2325 if(!strncmp(knamed,"YMQ",3)){
2326 if(s[2]<0) fpLostITC += 1;
2327 else fpLostITA += 1;
2330 else if(!strncmp(knamed,"QA02",4)){
2331 if((s[2]>26.15 && s[2]<32.52) || (s[2]>34.80 && s[2]<40.30) ||
2332 (s[2]>41.30 && s[2]<46.80) || (s[2]>50.15 && s[2]<56.52)) fpLostITA += 1;
2334 else if(!strncmp(knamed,"YD1",3)){
2335 if(s[2]<0) fpLostD1C += 1;
2336 else fpLostD1A += 1;
2339 else if(!strncmp(knamed,"QA03",4)) fpLostD1A += 1;
2340 else if(!strncmp(knamed,"QT02",4)) fpLostD1C += 1;
2341 else if(!strncmp(knamed,"QTD",3) || strncmp(knamed,"Q13T",4)) fpLostTDI += 1;
2343 else if(mid == fMedSensTDI){ // fMedSensTDI also involves beam screen inside IT and D1
2344 if(!strncmp(knamed,"QBS1",4) || !strncmp(knamed,"QBS2",4) || // beam screens inside Q1
2345 !strncmp(knamed,"QBS3",4) || !strncmp(knamed,"QBS4",4) || // beam screens inside Q3
2346 !strncmp(knamed,"QBS5",4) || !strncmp(knamed,"QBS6",4) // beam screens inside Q2A/Q2B
2348 if(s[2]<0) fpLostITC += 1;
2349 else fpLostITA += 1;
2351 else if(!strncmp(knamed,"MD1",3)){
2352 if(s[2]<0) fpLostD1C += 1;
2353 else fpLostD1A += 1;
2355 else if(!strncmp(knamed,"QTD",3)) fpLostTDI += 1;
2358 else if(mid == fMedSensVColl){
2359 if(!strncmp(knamed,"QCVC",4)) fpcVCollC++;
2360 else if(!strncmp(knamed,"QCVA",4)) fpcVCollA++;
2364 //printf("\t Particle: mass = %1.3f, E = %1.3f GeV, pz = %1.2f GeV -> stopped in volume %s\n",
2365 // TVirtualMC::GetMC()->TrackMass(), p[3], p[2], knamed);
2368 printf("\n\t **********************************\n");
2369 printf("\t ********** Side C **********\n");
2370 printf("\t # of particles in IT = %d\n",fpLostITC);
2371 printf("\t # of particles in D1 = %d\n",fpLostD1C);
2372 printf("\t # of particles in VColl = %d\n",fpcVCollC);
2373 printf("\t ********** Side A **********\n");
2374 printf("\t # of particles in IT = %d\n",fpLostITA);
2375 printf("\t # of particles in D1 = %d\n",fpLostD1A);
2376 printf("\t # of particles in TDI = %d\n",fpLostTDI);
2377 printf("\t # of particles in VColl = %d\n",fpcVCollA);
2378 printf("\t **********************************\n");
2380 TVirtualMC::GetMC()->StopTrack();
2385 if((mid == fMedSensZN) || (mid == fMedSensZP) ||
2386 (mid == fMedSensGR) || (mid == fMedSensF1) ||
2387 (mid == fMedSensF2) || (mid == fMedSensZEM)){
2390 //printf(" ** pc. track %d in vol. %s \n",gAlice->GetMCApp()->GetCurrentTrackNumber(), knamed);
2392 //Particle coordinates
2393 TVirtualMC::GetMC()->TrackPosition(s[0],s[1],s[2]);
2394 for(int j=0; j<=2; j++) x[j] = s[j];
2399 // Determine in which ZDC the particle is
2400 if(!strncmp(knamed,"ZN",2)){
2401 if(x[2]<0.) vol[0]=1; // ZNC (dimuon side)
2402 else if(x[2]>0.) vol[0]=4; //ZNA
2404 else if(!strncmp(knamed,"ZP",2)){
2405 if(x[2]<0.) vol[0]=2; //ZPC (dimuon side)
2406 else if(x[2]>0.) vol[0]=5; //ZPA
2408 else if(!strncmp(knamed,"ZE",2)) vol[0]=3; //ZEM
2410 // February 2015: Adding TrackReference
2411 if(TVirtualMC::GetMC()->IsTrackEntering() || TVirtualMC::GetMC()->IsTrackExiting()) {
2412 AliTrackReference* trackRef = AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kZDC);
2414 trackRef->SetUserId(vol[0]);
2415 //printf("Adding track reference for track %d in vol. %d\n", gAlice->GetMCApp()->GetCurrentTrackNumber(), vol[0]);
2419 // Determine in which quadrant the particle is
2420 if(vol[0]==1){ //Quadrant in ZNC
2421 // Calculating particle coordinates inside ZNC
2422 xdet[0] = x[0]-fPosZNC[0];
2423 xdet[1] = x[1]-fPosZNC[1];
2424 // Calculating quadrant in ZN
2426 if(xdet[1]<=0.) vol[1]=1;
2429 else if(xdet[0]>0.){
2430 if(xdet[1]<=0.) vol[1]=2;
2434 else if(vol[0]==2){ //Quadrant in ZPC
2435 // Calculating particle coordinates inside ZPC
2436 xdet[0] = x[0]-fPosZPC[0];
2437 xdet[1] = x[1]-fPosZPC[1];
2438 if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01;
2439 if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01;
2440 // Calculating tower in ZP
2441 Float_t xqZP = xdet[0]/(fDimZP[0]/2.);
2442 for(int i=1; i<=4; i++){
2443 if(xqZP>=(i-3) && xqZP<(i-2)){
2450 // Quadrant in ZEM: vol[1] = 1 -> particle in 1st ZEM (placed at x = 8.5 cm)
2451 // vol[1] = 2 -> particle in 2nd ZEM (placed at x = -8.5 cm)
2452 else if(vol[0] == 3){
2455 // Particle x-coordinate inside ZEM1
2456 xdet[0] = x[0]-fPosZEM[0];
2460 // Particle x-coordinate inside ZEM2
2461 xdet[0] = x[0]+fPosZEM[0];
2463 xdet[1] = x[1]-fPosZEM[1];
2466 else if(vol[0]==4){ //Quadrant in ZNA
2467 // Calculating particle coordinates inside ZNA
2468 xdet[0] = x[0]-fPosZNA[0];
2469 xdet[1] = x[1]-fPosZNA[1];
2470 // Calculating quadrant in ZNA
2472 if(xdet[1]<=0.) vol[1]=1;
2475 else if(xdet[0]<0.){
2476 if(xdet[1]<=0.) vol[1]=2;
2481 else if(vol[0]==5){ //Quadrant in ZPA
2482 // Calculating particle coordinates inside ZPA
2483 xdet[0] = x[0]-fPosZPA[0];
2484 xdet[1] = x[1]-fPosZPA[1];
2485 if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01;
2486 if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01;
2487 // Calculating tower in ZP
2488 Float_t xqZP = -xdet[0]/(fDimZP[0]/2.);
2489 for(int i=1; i<=4; i++){
2490 if(xqZP>=(i-3) && xqZP<(i-2)){
2496 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
2497 AliError(Form(" WRONG tower for det %d: tow %d with xdet=(%f, %f)\n",
2498 vol[0], vol[1], xdet[0], xdet[1]));
2500 //printf("\t *** det %d vol %d xdet(%f, %f)\n",vol[0], vol[1], xdet[0], xdet[1]);
2502 // Store impact point and kinetic energy of the ENTERING particle
2504 if(TVirtualMC::GetMC()->IsTrackEntering()){
2506 TVirtualMC::GetMC()->TrackMomentum(p[0],p[1],p[2],p[3]);
2509 // Impact point on ZDC
2510 // X takes into account the LHC x-axis sign
2511 // which is opposite to positive x on detector front face
2512 // for side A detectors (ZNA and ZPA)
2513 if(vol[0]==4 || vol[0]==5){
2525 Int_t curTrackN = gAlice->GetMCApp()->GetCurrentTrackNumber();
2526 TParticle *part = gAlice->GetMCApp()->Particle(curTrackN);
2527 hits[10] = part->GetPdgCode();
2529 hits[12] = 1.0e09*TVirtualMC::GetMC()->TrackTime(); // in ns!
2530 hits[13] = part->Eta();
2533 Int_t imo = part->GetFirstMother();
2534 //printf(" tracks: pc %d -> mother %d \n", curTrackN,imo);
2537 TParticle *pmot = 0x0;
2538 Bool_t isChild = kFALSE;
2540 pmot = gAlice->GetMCApp()->Particle(imo);
2541 trmo = pmot->GetFirstMother();
2544 pmot = gAlice->GetMCApp()->Particle(trmo);
2545 //printf(" **** pc %d -> mother %d \n", trch,trmo);
2546 trmo = pmot->GetFirstMother();
2550 if(isChild && pmot){
2552 hits[11] = pmot->GetPdgCode();
2553 hits[13] = pmot->Eta();
2558 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2563 //printf(" ### Particle in ZNC\n\n");
2567 //printf(" ### Particle in ZPC\n\n");
2569 //else if(vol[0]==3) printf(" ### Particle in ZEM\n\n");
2572 //printf(" ### Particle in ZNA\n\n");
2576 //printf(" ### Particle in ZPA\n\n");
2579 //printf("\t Track %d: x %1.2f y %1.2f z %1.2f E %1.2f GeV pz = %1.2f GeV in volume %s -> det %d\n",
2580 // gAlice->GetMCApp()->GetCurrentTrackNumber(),x[0],x[1],x[2],p[3],p[2],knamed, vol[0]);
2581 //printf("\t Track %d: pc %d E %1.2f GeV pz = %1.2f GeV in volume %s -> det %d\n",
2582 // gAlice->GetMCApp()->GetCurrentTrackNumber(),part->GetPdgCode(),p[3],p[2],knamed, vol[0]);
2584 TVirtualMC::GetMC()->StopTrack();
2589 // Particle energy loss
2590 if(TVirtualMC::GetMC()->Edep() != 0){
2591 hits[9] = TVirtualMC::GetMC()->Edep();
2594 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2598 // *** Light production in fibres
2599 if((mid == fMedSensF1) || (mid == fMedSensF2)){
2601 //Select charged particles
2602 if((destep=TVirtualMC::GetMC()->Edep())){
2604 // Particle velocity
2606 TVirtualMC::GetMC()->TrackMomentum(p[0],p[1],p[2],p[3]);
2607 Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]);
2608 if(p[3] > 0.00001) beta = ptot/p[3];
2610 if(beta<0.67)return;
2611 else if((beta>=0.67) && (beta<=0.75)) ibeta = 0;
2612 else if((beta>0.75) && (beta<=0.85)) ibeta = 1;
2613 else if((beta>0.85) && (beta<=0.95)) ibeta = 2;
2614 else if(beta>0.95) ibeta = 3;
2616 // Angle between particle trajectory and fibre axis
2617 // 1 -> Momentum directions
2621 TVirtualMC::GetMC()->Gmtod(um,ud,2);
2622 // 2 -> Angle < limit angle
2623 Double_t alfar = TMath::ACos(ud[2]);
2624 Double_t alfa = alfar*kRaddeg;
2625 if(alfa>=110.) return;
2627 ialfa = Int_t(1.+alfa/2.);
2629 // Distance between particle trajectory and fibre axis
2630 TVirtualMC::GetMC()->TrackPosition(s[0],s[1],s[2]);
2631 for(int j=0; j<=2; j++){
2634 TVirtualMC::GetMC()->Gmtod(x,xdet,1);
2635 if(TMath::Abs(ud[0])>0.00001){
2636 Float_t dcoeff = ud[1]/ud[0];
2637 be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.));
2640 be = TMath::Abs(ud[0]);
2643 ibe = Int_t(be*1000.+1);
2645 //Looking into the light tables
2646 Float_t charge = 0.;
2647 Int_t curTrackN = gAlice->GetMCApp()->GetCurrentTrackNumber();
2648 TParticle *part = gAlice->GetMCApp()->Particle(curTrackN);
2649 Int_t pdgCode = part->GetPdgCode();
2650 if(pdgCode<10000) charge = TVirtualMC::GetMC()->TrackCharge();
2652 float z = (pdgCode/10000-100000);
2653 charge = TMath::Abs(z);
2654 //printf(" PDG %d charge %f\n",pdgCode,charge);
2657 if(vol[0]==1 || vol[0]==4) { // (1) ZN fibres
2658 if(ibe>fNben) ibe=fNben;
2659 out = charge*charge*fTablen[ibeta][ialfa][ibe];
2660 nphe = gRandom->Poisson(out);
2662 //if(ibeta==3) printf("\t %f \t %f \t %f\n",alfa, be, out);
2663 //printf("\t ibeta = %d, ialfa = %d, ibe = %d -> nphe = %d\n\n",ibeta,ialfa,ibe,nphe);
2664 if(mid == fMedSensF1){
2665 hits[7] = nphe; //fLightPMQ
2668 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2672 hits[8] = nphe; //fLightPMC
2674 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2677 else if(vol[0]==2 || vol[0]==5) {// (2) ZP fibres
2678 if(ibe>fNbep) ibe=fNbep;
2679 out = charge*charge*fTablep[ibeta][ialfa][ibe];
2680 nphe = gRandom->Poisson(out);
2681 if(mid == fMedSensF1){
2682 hits[7] = nphe; //fLightPMQ
2685 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2689 hits[8] = nphe; //fLightPMC
2691 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2694 else if(vol[0]==3) { // (3) ZEM fibres
2695 if(ibe>fNbep) ibe=fNbep;
2696 out = charge*charge*fTablep[ibeta][ialfa][ibe];
2697 TVirtualMC::GetMC()->TrackPosition(s[0],s[1],s[2]);
2699 for(int j=0; j<3; j++){
2702 // z-coordinate from ZEM front face
2703 // NB-> fPosZEM[2]+fZEMLength = -1000.+2*10.3 = 979.69 cm
2704 Float_t z = -xalic[2]+fPosZEM[2]+2*fZEMLength-xalic[1];
2705 //z = xalic[2]-fPosZEM[2]-fZEMLength-xalic[1]*(TMath::Tan(45.*kDegrad));
2706 //printf(" fPosZEM[2]+2*fZEMLength = %f", fPosZEM[2]+2*fZEMLength);
2708 // Parametrization for light guide uniformity
2709 // NEW!!! Light guide tilted @ 51 degrees
2710 Float_t guiPar[4]={0.31,-0.0006305,0.01337,0.8895};
2711 Float_t guiEff = guiPar[0]*(guiPar[1]*z*z+guiPar[2]*z+guiPar[3]);
2713 nphe = gRandom->Poisson(out);
2714 //printf(" out*guiEff = %f nphe = %d", out, nphe);
2717 hits[8] = nphe; //fLightPMC (ZEM1)
2719 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2722 hits[7] = nphe; //fLightPMQ (ZEM2)
2725 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);