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(2.0),
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(2.0),
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[15], tubpar[3], tubspar[5], boxpar[3];
237 //-- rotation matrices for the legs
238 Int_t irotpipe1, irotpipe2;
239 TVirtualMC::GetMC()->Matrix(irotpipe1,90.-1.0027,0.,90.,90.,1.0027,180.);
240 TVirtualMC::GetMC()->Matrix(irotpipe2,90.+1.0027,0.,90.,90.,1.0027,0.);
242 Int_t *idtmed = fIdtmed->GetArray();
243 Double_t dx=0., dy=0., dz=0.;
244 Double_t thx=0., thy=0., thz=0.;
245 Double_t phx=0., phy=0., phz=0.;
247 TGeoMedium *medZDCFe = gGeoManager->GetMedium("ZDC_ZIRONT");
248 TGeoMedium *medZDCvoid = gGeoManager->GetMedium("ZDC_ZVOID");
250 ////////////////////////////////////////////////////////////////
252 // SIDE C - RB26 (dimuon side) //
254 ////////////////////////////////////////////////////////////////
257 // -- Mother of the ZDCs (Vacuum PCON)
260 // const Double_t kZComDip = -1972.5;
261 const Double_t kZComDip = -1974.0;
264 conpar[ 2] = 4.; // Num radius specifications: 4
265 conpar[ 3] = -13500.; // (1) end of mother vol
268 conpar[ 6] = kZComDip; // (2) Beginning of Compensator Dipole
271 conpar[ 9] = kZComDip; // (3) Reducing radii of ZDCC to beam pipe radius
274 conpar[12] = -zd1; // (4) Beginning of ZDCC mother volume
275 // conpar[12] = -1947.2; // (4) Beginning of ZDCC mother volume
278 TVirtualMC::GetMC()->Gsvolu("ZDCC", "PCON", idtmed[10], conpar, 15);
279 TVirtualMC::GetMC()->Gspos("ZDCC", 1, "ALIC", 0., 0., 0., 0, "ONLY");
282 // -- BEAM PIPE from compensator dipole to the beginning of D1)
285 // From beginning of ZDC volumes to beginning of D1
286 tubpar[2] = (5838.3-zd1)/2.;
287 TVirtualMC::GetMC()->Gsvolu("QT01", "TUBE", idtmed[7], tubpar, 3);
288 TVirtualMC::GetMC()->Gspos("QT01", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
290 //printf(" QT01 TUBE pipe from z = %1.2f to z = %1.2f (D1 begin)\n",-zd1,-2*tubpar[2]-zd1);
292 //-- BEAM PIPE from the end of D1 to the beginning of D2)
294 //-- FROM MAGNETIC BEGINNING OF D1 TO MAGNETIC END OF D1
295 //-- Cylindrical pipe (r = 3.47) + conical flare
296 // -> Beginning of D1
301 tubpar[2] = (6909.8-zd1)/2.;
302 TVirtualMC::GetMC()->Gsvolu("QT02", "TUBE", idtmed[7], tubpar, 3);
303 TVirtualMC::GetMC()->Gspos("QT02", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
305 //printf(" QT02 TUBE pipe from z = %1.2f to z = %1.2f (D1 magnetic end)\n",-zd1,-2*tubpar[2]-zd1);
311 tubpar[2] = (6958.3-zd1)/2.;
312 TVirtualMC::GetMC()->Gsvolu("QT0B", "TUBE", idtmed[7], tubpar, 3);
313 TVirtualMC::GetMC()->Gspos("QT0B", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
315 //printf(" QT0B TUBE pipe from z = %1.2f to z = %1.2f \n",-zd1,-2*tubpar[2]-zd1);
321 tubpar[2] = (7022.8-zd1)/2.;
322 TVirtualMC::GetMC()->Gsvolu("QT03", "TUBE", idtmed[7], tubpar, 3);
323 TVirtualMC::GetMC()->Gspos("QT03", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
325 //printf(" QT03 TUBE pipe from z = %1.2f to z = %1.2f (D1 end)\n",-zd1,-2*tubpar[2]-zd1);
334 TVirtualMC::GetMC()->Gsvolu("QC01", "CONE", idtmed[7], conpar, 5);
335 TVirtualMC::GetMC()->Gspos("QC01", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
337 //printf(" QC01 CONE pipe from z = %1.2f to z= %1.2f (VCTCQ-I)\n",-zd1,-2*conpar[0]-zd1);
339 zd1 += conpar[0] * 2.;
341 // ******************************************************
342 // N.B.-> according to last vacuum layout
343 // private communication by D. Macina, mail 27/1/2009
344 // updated to new ZDC installation (Janiary 2012)
345 // ******************************************************
346 // 2nd section of VCTCQ+VAMTF+TCLIA+VAMTF+1st part of VCTCP
347 Float_t totLength1 = 160.8 + 78. + 148. + 78. + 9.3;
351 tubpar[2] = totLength1/2.;
352 // TVirtualMC::GetMC()->Gsvolu("QE01", "ELTU", idtmed[7], tubpar, 3);
353 // temporary replace with a scaled tube (AG)
354 TGeoTube *tubeQE01 = new TGeoTube(0.,tubpar[0],tubpar[2]);
355 TGeoScale *scaleQE01 = new TGeoScale(1., tubpar[1]/tubpar[0], 1.);
356 TGeoScaledShape *sshapeQE01 = new TGeoScaledShape(tubeQE01, scaleQE01);
357 new TGeoVolume("QE01", sshapeQE01, gGeoManager->GetMedium(idtmed[7]));
361 tubpar[2] = totLength1/2.;
362 // TVirtualMC::GetMC()->Gsvolu("QE02", "ELTU", idtmed[10], tubpar, 3);
363 // temporary replace with a scaled tube (AG)
364 TGeoTube *tubeQE02 = new TGeoTube(0.,tubpar[0],tubpar[2]);
365 TGeoScale *scaleQE02 = new TGeoScale(1., tubpar[1]/tubpar[0], 1.);
366 TGeoScaledShape *sshapeQE02 = new TGeoScaledShape(tubeQE02, scaleQE02);
367 new TGeoVolume("QE02", sshapeQE02, gGeoManager->GetMedium(idtmed[10]));
369 TVirtualMC::GetMC()->Gspos("QE01", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
370 TVirtualMC::GetMC()->Gspos("QE02", 1, "QE01", 0., 0., 0., 0, "ONLY");
372 //printf(" QE01 ELTU from z = %1.2f to z = %1.2f (VCTCQ-II+VAMTF+TCLIA+VAMTF+VCTCP-I)\n",-zd1,-2*tubpar[2]-zd1);
374 // TCLIA collimator jaws (defined ONLY if fVCollAperture<3.5!)
375 if(fVCollSideCAperture<3.5){
377 boxpar[1] = (3.5-fVCollSideCAperture-fVCollSideCCentreY-0.7)/2.;
378 if(boxpar[1]<0.) boxpar[1]=0.;
379 boxpar[2] = 124.4/2.;
380 printf(" AliZDCv4 -> C side injection collimator jaws: apertures +%1.2f/-%1.2f center %1.2f [cm]\n",
381 fVCollSideCAperture, fVCollSideCApertureNeg,fVCollSideCCentreY);
382 TVirtualMC::GetMC()->Gsvolu("QCVC" , "BOX ", idtmed[13], boxpar, 3);
383 TVirtualMC::GetMC()->Gspos("QCVC", 1, "QE02", -boxpar[0], fVCollSideCAperture+fVCollSideCCentreY+boxpar[1], -totLength1/2.+160.8+78.+148./2., 0, "ONLY");
384 TVirtualMC::GetMC()->Gspos("QCVC", 2, "QE02", -boxpar[0], -fVCollSideCApertureNeg+fVCollSideCCentreY-boxpar[1], -totLength1/2.+160.8+78.+148./2., 0, "ONLY");
387 zd1 += tubpar[2] * 2.;
391 conpar[1] = 21.27/2.;
392 conpar[2] = 21.87/2.;
395 TVirtualMC::GetMC()->Gsvolu("QC02", "CONE", idtmed[7], conpar, 5);
396 TVirtualMC::GetMC()->Gspos("QC02", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
398 //printf(" QC02 CONE pipe from z = %1.2f to z= %1.2f (VCTCP-II)\n",-zd1,-2*conpar[0]-zd1);
400 zd1 += conpar[0] * 2.;
402 // 3rd section of VCTCP+VCDWC+VMLGB
403 //Float_t totLenght2 = 9.2 + 530.5+40.;
404 Float_t totLenght2 = (8373.3-zd1);
407 tubpar[2] = totLenght2/2.;
408 TVirtualMC::GetMC()->Gsvolu("QT04", "TUBE", idtmed[7], tubpar, 3);
409 TVirtualMC::GetMC()->Gspos("QT04", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
411 //printf(" QT04 TUBE pipe from z = %1.2f to z= %1.2f (VCTCP-III)\n",-zd1,-2*tubpar[2]-zd1);
413 zd1 += tubpar[2] * 2.;
415 // First part of VCTCD
416 // skewed transition cone from ID=212.7 mm to ID=797 mm
420 conpar[3] = 21.27/2.;
421 conpar[4] = 21.87/2.;
422 TVirtualMC::GetMC()->Gsvolu("QC03", "CONE", idtmed[7], conpar, 5);
423 TVirtualMC::GetMC()->Gspos("QC03", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
425 //printf(" QC03 CONE pipe from z = %1.2f to z = %1.2f (VCTCD-I)\n",-zd1,-2*conpar[0]-zd1);
429 // VCDGB + 1st part of VCTCH
430 // Modified according to 2012 ZDC installation
433 tubpar[2] = (5*475.2+97.-136)/2.;
434 TVirtualMC::GetMC()->Gsvolu("QT05", "TUBE", idtmed[7], tubpar, 3);
435 TVirtualMC::GetMC()->Gspos("QT05", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
437 //printf(" QT05 TUBE pipe from z = %1.2f to z = %1.2f (VCDGB+VCTCH-I)\n",-zd1,-2*tubpar[2]-zd1);
442 // Transition from ID=797 mm to ID=196 mm:
443 // in order to simulate the thin window opened in the transition cone
444 // we divide the transition cone in three cones:
445 // (1) 8 mm thick (2) 3 mm thick (3) the third 8 mm thick
448 conpar[0] = 9.09/2.; // 15 degree
449 conpar[1] = 74.82868/2.;
450 conpar[2] = 76.42868/2.; // thickness 8 mm
452 conpar[4] = 81.3/2.; // thickness 8 mm
453 TVirtualMC::GetMC()->Gsvolu("QC04", "CONE", idtmed[7], conpar, 5);
454 TVirtualMC::GetMC()->Gspos("QC04", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
456 //printf(" QC04 CONE pipe from z = %1.2f to z = %1.2f (VCTCH-II)\n",-zd1,-2*conpar[0]-zd1);
461 conpar[0] = 96.2/2.; // 15 degree
462 conpar[1] = 23.19588/2.;
463 conpar[2] = 23.79588/2.; // thickness 3 mm
464 conpar[3] = 74.82868/2.;
465 conpar[4] = 75.42868/2.; // thickness 3 mm
466 TVirtualMC::GetMC()->Gsvolu("QC05", "CONE", idtmed[7], conpar, 5);
467 TVirtualMC::GetMC()->Gspos("QC05", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
469 //printf(" QC05 CONE pipe from z = %1.2f to z = %1.2f (VCTCH-III)\n",-zd1,-2*conpar[0]-zd1);
474 conpar[0] = 6.71/2.; // 15 degree
476 conpar[2] = 21.2/2.;// thickness 8 mm
477 conpar[3] = 23.19588/2.;
478 conpar[4] = 24.79588/2.;// thickness 8 mm
479 TVirtualMC::GetMC()->Gsvolu("QC06", "CONE", idtmed[7], conpar, 5);
480 TVirtualMC::GetMC()->Gspos("QC06", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
482 //printf(" QC06 CONE pipe from z = %1.2f to z = %1.2f (VCTCH-III)\n",-zd1,-2*conpar[0]-zd1);
490 TVirtualMC::GetMC()->Gsvolu("QT06", "TUBE", idtmed[7], tubpar, 3);
491 TVirtualMC::GetMC()->Gspos("QT06", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
493 //printf(" QT06 TUBE pipe from z = %1.2f to z = %1.2f (VMZAR-I)\n",-zd1,-2*tubpar[2]-zd1);
502 TVirtualMC::GetMC()->Gsvolu("QC07", "CONE", idtmed[7], conpar, 5);
503 TVirtualMC::GetMC()->Gspos("QC07", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
505 //printf(" QC07 CONE pipe from z = %1.2f to z = %1.2f (VMZAR-II)\n",-zd1,-2*conpar[0]-zd1);
512 TVirtualMC::GetMC()->Gsvolu("QT07", "TUBE", idtmed[7], tubpar, 3);
513 TVirtualMC::GetMC()->Gspos("QT07", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
515 //printf(" QT07 TUBE pipe from z = %1.2f to z = %1.2f (VMZAR-III)\n",-zd1,-2*tubpar[2]-zd1);
524 TVirtualMC::GetMC()->Gsvolu("QC08", "CONE", idtmed[7], conpar, 5);
525 TVirtualMC::GetMC()->Gspos("QC08", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
527 //printf(" QC08 CONE pipe from z = %1.2f to z = %1.2f (VMZAR-IV)\n",-zd1,-2*conpar[0]-zd1);
534 TVirtualMC::GetMC()->Gsvolu("QT08", "TUBE", idtmed[7], tubpar, 3);
535 TVirtualMC::GetMC()->Gspos("QT08", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
537 //printf(" QT08 TUBE pipe from z = %1.2f to z = %1.2f (VMZAR-V)\n",-zd1,-2*tubpar[2]-zd1);
541 // Flange (ID=196 mm)(last part of VMZAR and first part of VCTYB)
545 TVirtualMC::GetMC()->Gsvolu("QT09", "TUBE", idtmed[7], tubpar, 3);
546 TVirtualMC::GetMC()->Gspos("QT09", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
548 //printf(" QT09 TUBE pipe from z = %1.2f to z = %1.2f (VMZAR-VI+VCTYB-I)\n",-zd1,-2*tubpar[2]-zd1);
552 ////printf(" Beginning of VCTYB volume @ z = %1.2f \n",-zd1);
554 // simulation of the trousers (VCTYB)
558 TVirtualMC::GetMC()->Gsvolu("QT10", "TUBE", idtmed[7], tubpar, 3);
559 TVirtualMC::GetMC()->Gspos("QT10", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
561 //printf(" QT10 TUBE pipe from z = %1.2f to z = %1.2f (VCTYB-II)\n",-zd1,-2*tubpar[2]-zd1);
565 // transition cone from ID=196. to ID=216.6
566 conpar[0] = 32.55/2.;
567 conpar[1] = 21.66/2.;
568 conpar[2] = 22.06/2.;
571 TVirtualMC::GetMC()->Gsvolu("QC09", "CONE", idtmed[7], conpar, 5);
572 TVirtualMC::GetMC()->Gspos("QC09", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
574 //printf(" QC09 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
579 tubpar[0] = 21.66/2.;
580 tubpar[1] = 22.06/2.;
582 TVirtualMC::GetMC()->Gsvolu("QT11", "TUBE", idtmed[7], tubpar, 3);
583 TVirtualMC::GetMC()->Gspos("QT11", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
585 //printf(" QT11 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
589 //printf(" Beginning of C side recombination chamber @ z = %f \n",-zd1);
591 // --------------------------------------------------------
592 // RECOMBINATION CHAMBER IMPLEMENTED USING TGeo CLASSES!!!!
593 // author: Chiara (August 2008)
594 // --------------------------------------------------------
595 // TRANSFORMATION MATRICES
596 // Combi transformation:
601 thx = 84.989100; phx = 180.000000;
602 thy = 90.000000; phy = 90.000000;
603 thz = 185.010900; phz = 0.000000;
604 TGeoRotation *rotMatrix1c = new TGeoRotation("c",thx,phx,thy,phy,thz,phz);
605 // Combi transformation:
609 TGeoCombiTrans *rotMatrix2c = new TGeoCombiTrans("ZDCC_c1", dx,dy,dz,rotMatrix1c);
610 rotMatrix2c->RegisterYourself();
611 // Combi transformation:
616 thx = 95.010900; phx = 180.000000;
617 thy = 90.000000; phy = 90.000000;
618 thz = 180.-5.010900; phz = 0.000000;
619 TGeoRotation *rotMatrix3c = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
620 TGeoCombiTrans *rotMatrix4c = new TGeoCombiTrans("ZDCC_c2", dx,dy,dz,rotMatrix3c);
621 rotMatrix4c->RegisterYourself();
623 // VOLUMES DEFINITION
625 TGeoVolume *pZDCC = gGeoManager->GetVolume("ZDCC");
627 conpar[0] = (90.1-0.95-0.26-0.0085)/2.;
632 new TGeoCone("QCLext", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
634 conpar[0] = (90.1-0.95-0.26-0.0085)/2.;
639 new TGeoCone("QCLint", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
642 TGeoCompositeShape *pOutTrousersC = new TGeoCompositeShape("outTrousersC", "QCLext:ZDCC_c1+QCLext:ZDCC_c2");
645 TGeoVolume *pQCLext = new TGeoVolume("QCLext",pOutTrousersC, medZDCFe);
646 pQCLext->SetLineColor(kGreen);
647 pQCLext->SetVisLeaves(kTRUE);
649 TGeoTranslation *tr1c = new TGeoTranslation(0., 0., (Double_t) -conpar[0]-0.95-zd1);
650 //printf(" C side recombination chamber from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-0.95-zd1);
652 pZDCC->AddNode(pQCLext, 1, tr1c);
654 TGeoCompositeShape *pIntTrousersC = new TGeoCompositeShape("intTrousersC", "QCLint:ZDCC_c1+QCLint:ZDCC_c2");
656 TGeoVolume *pQCLint = new TGeoVolume("QCLint",pIntTrousersC, medZDCvoid);
657 pQCLint->SetLineColor(kTeal);
658 pQCLint->SetVisLeaves(kTRUE);
659 pQCLext->AddNode(pQCLint, 1);
662 Double_t offset = 0.5;
665 // second section : 2 tubes (ID = 54. OD = 58.)
669 TVirtualMC::GetMC()->Gsvolu("QT12", "TUBE", idtmed[7], tubpar, 3);
670 TVirtualMC::GetMC()->Gspos("QT12", 1, "ZDCC", -15.8/2., 0., -tubpar[2]-zd1, 0, "ONLY");
671 TVirtualMC::GetMC()->Gspos("QT12", 2, "ZDCC", 15.8/2., 0., -tubpar[2]-zd1, 0, "ONLY");
673 //printf(" QT12 TUBE from z = %1.2f to z = %1.2f (separate beam pipes)\n",-zd1,-2*tubpar[2]-zd1);
677 // transition x2zdc to recombination chamber : skewed cone
678 conpar[0] = (10.-0.2-offset)/2.;
683 TVirtualMC::GetMC()->Gsvolu("QC10", "CONE", idtmed[7], conpar, 5);
684 TVirtualMC::GetMC()->Gspos("QC10", 1, "ZDCC", -7.9-0.175, 0., -conpar[0]-0.1-zd1, irotpipe1, "ONLY");
685 TVirtualMC::GetMC()->Gspos("QC10", 2, "ZDCC", 7.9+0.175, 0., -conpar[0]-0.1-zd1, irotpipe2, "ONLY");
686 //printf(" QC10 CONE from z = %1.2f to z = %1.2f (transition X2ZDC)\n",-zd1,-2*conpar[0]-0.2-zd1);
688 zd1 += 2.*conpar[0]+0.2;
690 // 2 tubes (ID = 63 mm OD=70 mm)
693 tubpar[2] = 639.8/2.;
694 TVirtualMC::GetMC()->Gsvolu("QT13", "TUBE", idtmed[7], tubpar, 3);
695 TVirtualMC::GetMC()->Gspos("QT13", 1, "ZDCC", -16.5/2., 0., -tubpar[2]-zd1, 0, "ONLY");
696 TVirtualMC::GetMC()->Gspos("QT13", 2, "ZDCC", 16.5/2., 0., -tubpar[2]-zd1, 0, "ONLY");
697 //printf(" QT13 TUBE from z = %1.2f to z = %1.2f (separate beam pipes)\n",-zd1,-2*tubpar[2]-zd1);
700 printf(" END OF C SIDE BEAM PIPE DEFINITION @ z = %f m from IP2\n\n",-zd1/100.);
703 // -- Luminometer (Cu box) in front of ZN - side C
707 boxpar[2] = fLumiLength/2.;
708 TVirtualMC::GetMC()->Gsvolu("QLUC", "BOX ", idtmed[9], boxpar, 3);
709 TVirtualMC::GetMC()->Gspos("QLUC", 1, "ZDCC", 0., 0., fPosZNC[2]+66.+boxpar[2], 0, "ONLY");
710 printf(" C SIDE LUMINOMETER %1.2f < z < %1.2f\n", fPosZNC[2]+66., fPosZNC[2]+66.+2*boxpar[2]);
713 // -- END OF BEAM PIPE VOLUME DEFINITION FOR SIDE C (RB26 SIDE)
714 // ----------------------------------------------------------------
716 ////////////////////////////////////////////////////////////////
720 ///////////////////////////////////////////////////////////////
722 // Rotation Matrices definition
723 Int_t irotpipe3, irotpipe4, irotpipe5;
724 //-- rotation matrices for the tilted cone after the TDI to recenter vacuum chamber
725 TVirtualMC::GetMC()->Matrix(irotpipe3,90.-1.8934,0.,90.,90.,1.8934,180.);
726 //-- rotation matrices for the tilted tube before and after the TDI
727 TVirtualMC::GetMC()->Matrix(irotpipe4,90.-3.8,0.,90.,90.,3.8,180.);
728 //-- rotation matrix for the tilted cone after the TDI
729 TVirtualMC::GetMC()->Matrix(irotpipe5,90.+9.8,0.,90.,90.,9.8,0.);
731 // -- Mother of the ZDCs (Vacuum PCON)
732 zd2 = 1910.22;// zd2 initial value
743 TVirtualMC::GetMC()->Gsvolu("ZDCA", "PCON", idtmed[10], conpar, 9);
744 TVirtualMC::GetMC()->Gspos("ZDCA", 1, "ALIC", 0., 0., 0., 0, "ONLY");
746 // To avoid overlaps 1 micron are left between certain volumes!
747 Double_t dxNoOverlap = 0.0;
748 //zd2 += dxNoOverlap;
750 // BEAM PIPE from 19.10 m to inner triplet beginning (22.965 m)
753 tubpar[2] = 386.28/2. - dxNoOverlap;
754 TVirtualMC::GetMC()->Gsvolu("QA01", "TUBE", idtmed[7], tubpar, 3);
755 TVirtualMC::GetMC()->Gspos("QA01", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
757 //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);
761 // -- FIRST SECTION OF THE BEAM PIPE (from beginning of inner triplet to
765 tubpar[2] = 3541.8/2. - dxNoOverlap;
766 TVirtualMC::GetMC()->Gsvolu("QA02", "TUBE", idtmed[7], tubpar, 3);
767 TVirtualMC::GetMC()->Gspos("QA02", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
769 //printf(" QA02 TUBE from z = %1.2f to z= %1.2f (D1 begin)\n",zd2,2*tubpar[2]+zd2);
774 // -- SECOND SECTION OF THE BEAM PIPE (from the beginning of D1 to the beginning of D2)
776 // FROM (MAGNETIC) BEGINNING OF D1 TO THE (MAGNETIC) END OF D1 + 126.5 cm
777 // CYLINDRICAL PIPE of diameter increasing from 6.75 cm up to 8.0 cm
778 // from magnetic end :
779 // 1) 80.1 cm still with ID = 6.75 radial beam screen
780 // 2) 2.5 cm conical section from ID = 6.75 to ID = 8.0 cm
781 // 3) 43.9 cm straight section (tube) with ID = 8.0 cm
785 tubpar[2] = (945.0+80.1)/2.;
786 TVirtualMC::GetMC()->Gsvolu("QA03", "TUBE", idtmed[7], tubpar, 3);
787 TVirtualMC::GetMC()->Gspos("QA03", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
789 //printf(" QA03 TUBE from z = %1.2f to z = %1.2f (D1 end)\n",zd2,2*tubpar[2]+zd2);
793 // Transition Cone from ID=67.5 mm to ID=80 mm
799 TVirtualMC::GetMC()->Gsvolu("QA04", "CONE", idtmed[7], conpar, 5);
800 TVirtualMC::GetMC()->Gspos("QA04", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
801 //printf(" QA04 CONE from z = %1.2f to z = %1.2f (transition cone)\n",zd2,2*conpar[0]+zd2);
807 tubpar[2] = (43.9+20.+28.5+28.5)/2.;
808 TVirtualMC::GetMC()->Gsvolu("QA05", "TUBE", idtmed[7], tubpar, 3);
809 TVirtualMC::GetMC()->Gspos("QA05", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
811 //printf(" QA05 TUBE from z = %1.2f to z = %1.2f\n",zd2,2*tubpar[2]+zd2);
815 // Second section of VAEHI (transition cone from ID=80mm to ID=98mm)
821 TVirtualMC::GetMC()->Gsvolu("QAV1", "CONE", idtmed[7], conpar, 5);
822 TVirtualMC::GetMC()->Gspos("QAV1", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
823 //printf(" QAV1 CONE from z = %1.2f to z = %1.2f (VAEHI-I)\n",zd2,2*conpar[0]+zd2);
827 //Third section of VAEHI (transition cone from ID=98mm to ID=90mm)
833 TVirtualMC::GetMC()->Gsvolu("QAV2", "CONE", idtmed[7], conpar, 5);
834 TVirtualMC::GetMC()->Gspos("QAV2", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
835 //printf(" QAV2 CONE from z = %1.2f to z = %1.2f (VAEHI-II)\n",zd2,2*conpar[0]+zd2);
839 // Fourth section of VAEHI (tube ID=90mm)
843 TVirtualMC::GetMC()->Gsvolu("QAV3", "TUBE", idtmed[7], tubpar, 3);
844 TVirtualMC::GetMC()->Gspos("QAV3", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
846 //printf(" QAV3 TUBE from z = %1.2f to z = %1.2f (VAEHI-III)\n",zd2,2*tubpar[2]+zd2);
850 //---------------------------- TCDD beginning ----------------------------------
851 // space for the insertion of the collimator TCDD (2 m)
852 // TCDD ZONE - 1st volume
858 TVirtualMC::GetMC()->Gsvolu("Q01T", "CONE", idtmed[7], conpar, 5);
859 TVirtualMC::GetMC()->Gspos("Q01T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
860 //printf(" Q01T CONE from z = %1.2f to z = %1.2f (TCDD-I)\n",zd2,2*conpar[0]+zd2);
864 // TCDD ZONE - 2nd volume
868 TVirtualMC::GetMC()->Gsvolu("Q02T", "TUBE", idtmed[7], tubpar, 3);
869 TVirtualMC::GetMC()->Gspos("Q02T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
871 //printf(" Q02T TUBE from z = %1.2f to z= %1.2f (TCDD-II)\n",zd2,2*tubpar[2]+zd2);
875 // TCDD ZONE - third volume
881 TVirtualMC::GetMC()->Gsvolu("Q03T", "CONE", idtmed[7], conpar, 5);
882 TVirtualMC::GetMC()->Gspos("Q03T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
883 //printf(" Q03T CONE from z = %1.2f to z= %1.2f (TCDD-III)\n",zd2,2*conpar[0]+zd2);
887 // TCDD ZONE - 4th volume
891 TVirtualMC::GetMC()->Gsvolu("Q04T", "TUBE", idtmed[7], tubpar, 3);
892 TVirtualMC::GetMC()->Gspos("Q04T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
894 //printf(" Q04T TUBE from z = %1.2f to z= %1.2f (TCDD-IV)\n",zd2,2*tubpar[2]+zd2);
898 // TCDD ZONE - 5th volume
901 tubpar[2] = 100.12/2.;
902 TVirtualMC::GetMC()->Gsvolu("Q05T", "TUBE", idtmed[7], tubpar, 3);
903 TVirtualMC::GetMC()->Gspos("Q05T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
905 //printf(" Q05T TUBE from z = %1.2f to z= %1.2f (TCDD-V)\n",zd2,2*tubpar[2]+zd2);
909 // TCDD ZONE - 6th volume
913 TVirtualMC::GetMC()->Gsvolu("Q06T", "TUBE", idtmed[7], tubpar, 3);
914 TVirtualMC::GetMC()->Gspos("Q06T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
916 //printf(" Q06T TUBE from z = %1.2f to z= %1.2f (TCDD-VI)\n",zd2,2*tubpar[2]+zd2);
920 // TCDD ZONE - 7th volume
921 conpar[0] = 11.34/2.;
926 TVirtualMC::GetMC()->Gsvolu("Q07T", "CONE", idtmed[7], conpar, 5);
927 TVirtualMC::GetMC()->Gspos("Q07T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
928 //printf(" Q07T CONE from z = %1.2f to z= %1.2f (TCDD-VII)\n",zd2,2*conpar[0]+zd2);
932 // Upper section : one single phi segment of a tube
933 // 5 parameters for tubs: inner radius = 0.,
934 // outer radius = 7. cm, half length = 50 cm
935 // phi1 = 0., phi2 = 180.
937 tubspar[1] = 14.0/2.;
938 tubspar[2] = 100.0/2.;
941 TVirtualMC::GetMC()->Gsvolu("Q08T", "TUBS", idtmed[7], tubspar, 5);
943 // rectangular beam pipe inside TCDD upper section (Vacuum)
947 TVirtualMC::GetMC()->Gsvolu("Q09T", "BOX ", idtmed[10], boxpar, 3);
948 // positioning vacuum box in the upper section of TCDD
949 TVirtualMC::GetMC()->Gspos("Q09T", 1, "Q08T", 0., 1.1, 0., 0, "ONLY");
951 // lower section : one single phi segment of a tube
953 tubspar[1] = 14.0/2.;
954 tubspar[2] = 100.0/2.;
957 TVirtualMC::GetMC()->Gsvolu("Q10T", "TUBS", idtmed[7], tubspar, 5);
958 // rectangular beam pipe inside TCDD lower section (Vacuum)
962 TVirtualMC::GetMC()->Gsvolu("Q11T", "BOX ", idtmed[10], boxpar, 3);
963 // positioning vacuum box in the lower section of TCDD
964 TVirtualMC::GetMC()->Gspos("Q11T", 1, "Q10T", 0., -1.1, 0., 0, "ONLY");
966 // positioning TCDD elements in ZDCA, (inside TCDD volume)
967 TVirtualMC::GetMC()->Gspos("Q08T", 1, "ZDCA", 0., fTCDDAperturePos, -100.+zd2, 0, "ONLY");
968 TVirtualMC::GetMC()->Gspos("Q10T", 1, "ZDCA", 0., -fTCDDApertureNeg, -100.+zd2, 0, "ONLY");
969 printf(" AliZDCv4 -> TCDD apertures +%1.2f/-%1.2f cm\n",
970 fTCDDAperturePos, fTCDDApertureNeg);
976 TVirtualMC::GetMC()->Gsvolu("Q12T", "BOX ", idtmed[7], boxpar, 3);
977 // positioning RF screen at both sides of TCDD
978 TVirtualMC::GetMC()->Gspos("Q12T", 1, "ZDCA", tubspar[1]+boxpar[0], 0., -100.+zd2, 0, "ONLY");
979 TVirtualMC::GetMC()->Gspos("Q12T", 2, "ZDCA", -tubspar[1]-boxpar[0], 0., -100.+zd2, 0, "ONLY");
980 //---------------------------- TCDD end ---------------------------------------
982 // The following elliptical tube 180 mm x 70 mm
983 // (obtained positioning the void QA06 in QA07)
984 // represents VAMTF + first part of VCTCP (93 mm)
985 // updated according to 2012 new ZDC installation
989 tubpar[2] = (78+9.3)/2.;
990 // TVirtualMC::GetMC()->Gsvolu("QA06", "ELTU", idtmed[7], tubpar, 3);
991 // temporary replace with a scaled tube (AG)
992 TGeoTube *tubeQA06 = new TGeoTube(0.,tubpar[0],tubpar[2]);
993 TGeoScale *scaleQA06 = new TGeoScale(1., tubpar[1]/tubpar[0], 1.);
994 TGeoScaledShape *sshapeQA06 = new TGeoScaledShape(tubeQA06, scaleQA06);
995 new TGeoVolume("QA06", sshapeQA06, gGeoManager->GetMedium(idtmed[7]));
996 //printf(" QA06 TUBE from z = %1.2f to z = %1.2f (VAMTF+VCTCP-I)\n",zd2,2*tubpar[2]+zd2);
1000 tubpar[2] = (78+9.3)/2.;
1001 // TVirtualMC::GetMC()->Gsvolu("QA07", "ELTU", idtmed[10], tubpar, 3);
1002 // temporary replace with a scaled tube (AG)
1003 TGeoTube *tubeQA07 = new TGeoTube(0.,tubpar[0],tubpar[2]);
1004 TGeoScale *scaleQA07 = new TGeoScale(1., tubpar[1]/tubpar[0], 1.);
1005 TGeoScaledShape *sshapeQA07 = new TGeoScaledShape(tubeQA07, scaleQA07);
1006 new TGeoVolume("QA07", sshapeQA07, gGeoManager->GetMedium(idtmed[10]));
1007 ////printf(" QA07 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1008 TVirtualMC::GetMC()->Gspos("QA06", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1009 TVirtualMC::GetMC()->Gspos("QA07", 1, "QA06", 0., 0., 0., 0, "ONLY");
1011 zd2 += 2.*tubpar[2];
1013 // VCTCP second part: transition cone from ID=180 to ID=212.7
1014 conpar[0] = 31.5/2.;
1015 conpar[1] = 18.0/2.;
1016 conpar[2] = 18.6/2.;
1017 conpar[3] = 21.27/2.;
1018 conpar[4] = 21.87/2.;
1019 TVirtualMC::GetMC()->Gsvolu("QA08", "CONE", idtmed[7], conpar, 5);
1020 TVirtualMC::GetMC()->Gspos("QA08", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1022 //printf(" QA08 CONE from z = %f to z = %f (VCTCP-II)\n",zd2,2*conpar[0]+zd2);
1024 zd2 += 2.*conpar[0];
1027 // Represents VCTCP third part (92 mm) + VCDWB (765 mm) + VMBGA (400 mm) +
1028 // VCDWE (300 mm) + VMBGA (400 mm)
1029 // + TCTVB space + VAMTF space (new installation Jan 2012)
1030 tubpar[0] = 21.27/2.;
1031 tubpar[1] = 21.87/2.;
1032 tubpar[2] = (195.7+148.+78.)/2.;
1033 TVirtualMC::GetMC()->Gsvolu("QA09", "TUBE", idtmed[7], tubpar, 3);
1034 TVirtualMC::GetMC()->Gspos("QA09", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1035 //printf(" QA09 TUBE from z = %1.2f to z= %1.2f (VCTCP-III+VCDWB+VMBGA+VCDWE+VMBGA)\n",zd2,2*tubpar[2]+zd2);
1037 zd2 += 2.*tubpar[2];
1039 // skewed transition piece (ID=212.7 mm to 332 mm) (before TDI)
1040 conpar[0] = (50.0-0.73-1.13)/2.;
1041 conpar[1] = 21.27/2.;
1042 conpar[2] = 21.87/2.;
1043 conpar[3] = 33.2/2.;
1044 conpar[4] = 33.8/2.;
1045 TVirtualMC::GetMC()->Gsvolu("QA10", "CONE", idtmed[7], conpar, 5);
1046 TVirtualMC::GetMC()->Gspos("QA10", 1, "ZDCA", -1.66, 0., conpar[0]+0.73+zd2, irotpipe4, "ONLY");
1048 //printf(" QA10 skewed CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+0.73+1.13+zd2);
1050 zd2 += 2.*conpar[0]+0.73+1.13;
1052 // Vacuum chamber containing TDI
1054 tubpar[1] = 54.6/2.;
1055 tubpar[2] = 540.0/2.;
1056 TVirtualMC::GetMC()->Gsvolu("Q13TM", "TUBE", idtmed[10], tubpar, 3);
1057 TVirtualMC::GetMC()->Gspos("Q13TM", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1058 tubpar[0] = 54.0/2.;
1059 tubpar[1] = 54.6/2.;
1060 tubpar[2] = 540.0/2.;
1061 TVirtualMC::GetMC()->Gsvolu("Q13T", "TUBE", idtmed[7], tubpar, 3);
1062 TVirtualMC::GetMC()->Gspos("Q13T", 1, "Q13TM", 0., 0., 0., 0, "ONLY");
1064 //printf(" Q13T TUBE from z = %1.2f to z= %1.2f (TDI vacuum chamber)\n",zd2,2*tubpar[2]+zd2);
1066 zd2 += 2.*tubpar[2];
1068 //---------------- INSERT TDI INSIDE Q13T -----------------------------------
1069 boxpar[0] = 11.0/2.;
1071 boxpar[2] = 418.5/2.;
1072 TVirtualMC::GetMC()->Gsvolu("QTD1", "BOX ", idtmed[7], boxpar, 3);
1073 TVirtualMC::GetMC()->Gspos("QTD1", 1, "Q13TM", -3.8, boxpar[1]+fTDIAperturePos, 0., 0, "ONLY");
1074 boxpar[0] = 11.0/2.;
1076 boxpar[2] = 418.5/2.;
1077 TVirtualMC::GetMC()->Gsvolu("QTD2", "BOX ", idtmed[7], boxpar, 3);
1078 TVirtualMC::GetMC()->Gspos("QTD2", 1, "Q13TM", -3.8, -boxpar[1]-fTDIApertureNeg, 0., 0, "ONLY");
1081 boxpar[2] = 418.5/2.;
1082 TVirtualMC::GetMC()->Gsvolu("QTD3", "BOX ", idtmed[7], boxpar, 3);
1083 TVirtualMC::GetMC()->Gspos("QTD3", 1, "Q13TM", -3.8+5.5+boxpar[0], fTDIAperturePos, 0., 0, "ONLY");
1084 TVirtualMC::GetMC()->Gspos("QTD3", 2, "Q13TM", -3.8+5.5+boxpar[0], -fTDIApertureNeg, 0., 0, "ONLY");
1085 TVirtualMC::GetMC()->Gspos("QTD3", 3, "Q13TM", -3.8-5.5-boxpar[0], fTDIAperturePos, 0., 0, "ONLY");
1086 TVirtualMC::GetMC()->Gspos("QTD3", 4, "Q13TM", -3.8-5.5-boxpar[0], -fTDIApertureNeg, 0., 0, "ONLY");
1087 printf(" AliZDCv4 -> TDI apertures +%1.2f/-%1.2f cm\n",
1088 fTDIAperturePos, fTDIApertureNeg);
1090 tubspar[0] = 12.0/2.;
1091 tubspar[1] = 12.4/2.;
1092 tubspar[2] = 418.5/2.;
1095 TVirtualMC::GetMC()->Gsvolu("QTD4", "TUBS", idtmed[6], tubspar, 5);
1096 TVirtualMC::GetMC()->Gspos("QTD4", 1, "Q13TM", -3.8-10.6, 0., 0., 0, "ONLY");
1097 tubspar[0] = 12.0/2.;
1098 tubspar[1] = 12.4/2.;
1099 tubspar[2] = 418.5/2.;
1102 TVirtualMC::GetMC()->Gsvolu("QTD5", "TUBS", idtmed[6], tubspar, 5);
1103 TVirtualMC::GetMC()->Gspos("QTD5", 1, "Q13TM", -3.8+10.6, 0., 0., 0, "ONLY");
1104 //---------------- END DEFINING TDI INSIDE Q13T -------------------------------
1106 // VCTCG skewed transition piece (ID=332 mm to 212.7 mm) (after TDI)
1107 conpar[0] = (50.0-2.92-1.89)/2.;
1108 conpar[1] = 33.2/2.;
1109 conpar[2] = 33.8/2.;
1110 conpar[3] = 21.27/2.;
1111 conpar[4] = 21.87/2.;
1112 TVirtualMC::GetMC()->Gsvolu("QA11", "CONE", idtmed[7], conpar, 5);
1113 TVirtualMC::GetMC()->Gspos("QA11", 1, "ZDCA", 4.32-3.8, 0., conpar[0]+2.92+zd2, irotpipe5, "ONLY");
1115 //printf(" QA11 skewed CONE from z = %f to z =%f (VCTCG)\n",zd2,2*conpar[0]+2.92+1.89+zd2);
1117 zd2 += 2.*conpar[0]+2.92+1.89;
1119 // The following tube ID 212.7 mm
1120 // represents VMBGA (400 mm) + VCDWE (300 mm) + VMBGA (400 mm) +
1121 // BTVTS (600 mm) + VMLGB (400 mm)
1122 tubpar[0] = 21.27/2.;
1123 tubpar[1] = 21.87/2.;
1124 tubpar[2] = 210.0/2.;
1125 TVirtualMC::GetMC()->Gsvolu("QA12", "TUBE", idtmed[7], tubpar, 3);
1126 TVirtualMC::GetMC()->Gspos("QA12", 1, "ZDCA", 4., 0., tubpar[2]+zd2, 0, "ONLY");
1128 //printf(" QA12 TUBE from z = %1.2f to z= %1.2f (VMBGA+VCDWE+VMBGA+BTVTS+VMLGB)\n",zd2,2*tubpar[2]+zd2);
1130 zd2 += 2.*tubpar[2];
1132 // First part of VCTCC
1133 // skewed transition cone from ID=212.7 mm to ID=797 mm
1134 conpar[0] = (121.0-0.37-1.35)/2.;
1135 conpar[1] = 21.27/2.;
1136 conpar[2] = 21.87/2.;
1137 conpar[3] = 79.7/2.;
1138 conpar[4] = 81.3/2.;
1139 TVirtualMC::GetMC()->Gsvolu("QA13", "CONE", idtmed[7], conpar, 5);
1140 TVirtualMC::GetMC()->Gspos("QA13", 1, "ZDCA", 4.-2., 0., conpar[0]+0.37+zd2, irotpipe3, "ONLY");
1142 //printf(" QA13 CONE from z = %1.2f to z = %1.2f (VCTCC-I)\n",zd2,2*conpar[0]+0.37+1.35+zd2);
1144 zd2 += 2.*conpar[0]+0.37+1.35;
1146 // The following tube ID 797 mm
1147 // represents the second part of VCTCC (4272 mm) +
1148 // 4 x VCDGA (4 x 4272 mm) +
1149 // the first part of VCTCR (850 mm)
1150 // updated according to 2012 ZDC installation
1151 tubpar[0] = 79.7/2.;
1152 tubpar[1] = 81.3/2.;
1153 tubpar[2] = (2221.-136.)/2.;
1154 TVirtualMC::GetMC()->Gsvolu("QA14", "TUBE", idtmed[7], tubpar, 3);
1155 TVirtualMC::GetMC()->Gspos("QA14", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1157 //printf(" QA14 TUBE from z = %1.2f to z = %1.2f (VCTCC-II)\n",zd2,2*tubpar[2]+zd2);
1159 zd2 += 2.*tubpar[2];
1161 // Second part of VCTCR
1162 // Transition from ID=797 mm to ID=196 mm:
1163 // in order to simulate the thin window opened in the transition cone
1164 // we divide the transition cone in three cones:
1165 // (1) 8 mm thick (2) 3 mm thick (3) the third 8 mm thick
1168 conpar[0] = 9.09/2.; // 15 degree
1169 conpar[1] = 79.7/2.;
1170 conpar[2] = 81.3/2.; // thickness 8 mm
1171 conpar[3] = 74.82868/2.;
1172 conpar[4] = 76.42868/2.; // thickness 8 mm
1173 TVirtualMC::GetMC()->Gsvolu("QA15", "CONE", idtmed[7], conpar, 5);
1174 TVirtualMC::GetMC()->Gspos("QA15", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1175 //printf(" QA15 CONE from z = %1.2f to z= %1.2f (VCTCR-I)\n",zd2,2*conpar[0]+zd2);
1177 zd2 += 2.*conpar[0];
1180 conpar[0] = 96.2/2.; // 15 degree
1181 conpar[1] = 74.82868/2.;
1182 conpar[2] = 75.42868/2.; // thickness 3 mm
1183 conpar[3] = 23.19588/2.;
1184 conpar[4] = 23.79588/2.; // thickness 3 mm
1185 TVirtualMC::GetMC()->Gsvolu("QA16", "CONE", idtmed[7], conpar, 5);
1186 TVirtualMC::GetMC()->Gspos("QA16", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1187 //printf(" QA16 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1189 zd2 += 2.*conpar[0];
1192 conpar[0] = 6.71/2.; // 15 degree
1193 conpar[1] = 23.19588/2.;
1194 conpar[2] = 24.79588/2.;// thickness 8 mm
1195 conpar[3] = 19.6/2.;
1196 conpar[4] = 21.2/2.;// thickness 8 mm
1197 TVirtualMC::GetMC()->Gsvolu("QA17", "CONE", idtmed[7], conpar, 5);
1198 TVirtualMC::GetMC()->Gspos("QA17", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1199 //printf(" QA17 CONE from z = %1.2f to z= %1.2f (VCTCR-II)\n",zd2,2*conpar[0]+zd2);
1201 zd2 += 2.*conpar[0];
1203 // Third part of VCTCR: tube (ID=196 mm)
1204 tubpar[0] = 19.6/2.;
1205 tubpar[1] = 21.2/2.;
1206 tubpar[2] = 9.55/2.;
1207 TVirtualMC::GetMC()->Gsvolu("QA18", "TUBE", idtmed[7], tubpar, 3);
1208 TVirtualMC::GetMC()->Gspos("QA18", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1210 //printf(" QA18 TUBE from z = %1.2f to z= %1.2f (VCTCR-III)\n",zd2,2*tubpar[2]+zd2);
1212 zd2 += 2.*tubpar[2];
1214 // Flange (ID=196 mm) (last part of VCTCR and first part of VMZAR)
1215 tubpar[0] = 19.6/2.;
1216 tubpar[1] = 25.3/2.;
1218 TVirtualMC::GetMC()->Gsvolu("QF01", "TUBE", idtmed[7], tubpar, 3);
1219 TVirtualMC::GetMC()->Gspos("QF01", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1221 //printf(" QF01 TUBE from z = %1.2f to z= %1.2f (VMZAR-I)\n",zd2,2*tubpar[2]+zd2);
1223 zd2 += 2.*tubpar[2];
1225 // VMZAR (5 volumes)
1226 tubpar[0] = 20.2/2.;
1227 tubpar[1] = 20.6/2.;
1228 tubpar[2] = 2.15/2.;
1229 TVirtualMC::GetMC()->Gsvolu("QA19", "TUBE", idtmed[7], tubpar, 3);
1230 TVirtualMC::GetMC()->Gspos("QA19", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1232 //printf(" QA19 TUBE from z = %1.2f to z = %1.2f (VMZAR-II)\n",zd2,2*tubpar[2]+zd2);
1234 zd2 += 2.*tubpar[2];
1237 conpar[1] = 20.2/2.;
1238 conpar[2] = 20.6/2.;
1239 conpar[3] = 23.9/2.;
1240 conpar[4] = 24.3/2.;
1241 TVirtualMC::GetMC()->Gsvolu("QA20", "CONE", idtmed[7], conpar, 5);
1242 TVirtualMC::GetMC()->Gspos("QA20", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1244 //printf(" QA20 CONE from z = %1.2f to z = %1.2f (VMZAR-III)\n",zd2,2*conpar[0]+zd2);
1246 zd2 += 2.*conpar[0];
1248 tubpar[0] = 23.9/2.;
1249 tubpar[1] = 25.5/2.;
1250 tubpar[2] = 17.0/2.;
1251 TVirtualMC::GetMC()->Gsvolu("QA21", "TUBE", idtmed[7], tubpar, 3);
1252 TVirtualMC::GetMC()->Gspos("QA21", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1254 //printf(" QA21 TUBE from z = %1.2f to z = %1.2f (VMZAR-IV)\n",zd2,2*tubpar[2]+zd2);
1256 zd2 += 2.*tubpar[2];
1259 conpar[1] = 23.9/2.;
1260 conpar[2] = 24.3/2.;
1261 conpar[3] = 20.2/2.;
1262 conpar[4] = 20.6/2.;
1263 TVirtualMC::GetMC()->Gsvolu("QA22", "CONE", idtmed[7], conpar, 5);
1264 TVirtualMC::GetMC()->Gspos("QA22", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1266 //printf(" QA22 CONE from z = %1.2f to z = %1.2f (VMZAR-V)\n",zd2,2*conpar[0]+zd2);
1268 zd2 += 2.*conpar[0];
1270 tubpar[0] = 20.2/2.;
1271 tubpar[1] = 20.6/2.;
1272 tubpar[2] = 2.15/2.;
1273 TVirtualMC::GetMC()->Gsvolu("QA23", "TUBE", idtmed[7], tubpar, 3);
1274 TVirtualMC::GetMC()->Gspos("QA23", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1276 //printf(" QA23 TUBE from z = %1.2f to z= %1.2f (VMZAR-VI)\n",zd2,2*tubpar[2]+zd2);
1278 zd2 += 2.*tubpar[2];
1280 // Flange (ID=196 mm)(last part of VMZAR and first part of VCTYD)
1281 tubpar[0] = 19.6/2.;
1282 tubpar[1] = 25.3/2.;
1284 TVirtualMC::GetMC()->Gsvolu("QF02", "TUBE", idtmed[7], tubpar, 3);
1285 TVirtualMC::GetMC()->Gspos("QF02", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1287 //printf(" QF02 TUBE from z = %1.2f to z= %1.2f (VMZAR-VII)\n",zd2,2*tubpar[2]+zd2);
1289 zd2 += 2.*tubpar[2];
1291 // simulation of the trousers (VCTYB)
1292 tubpar[0] = 19.6/2.;
1293 tubpar[1] = 20.0/2.;
1295 TVirtualMC::GetMC()->Gsvolu("QA24", "TUBE", idtmed[7], tubpar, 3);
1296 TVirtualMC::GetMC()->Gspos("QA24", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1298 //printf(" QA24 TUBE from z = %1.2f to z= %1.2f (VCTYB)\n",zd2,2*tubpar[2]+zd2);
1300 zd2 += 2.*tubpar[2];
1302 // transition cone from ID=196. to ID=216.6
1303 conpar[0] = 32.55/2.;
1304 conpar[1] = 19.6/2.;
1305 conpar[2] = 20.0/2.;
1306 conpar[3] = 21.66/2.;
1307 conpar[4] = 22.06/2.;
1308 TVirtualMC::GetMC()->Gsvolu("QA25", "CONE", idtmed[7], conpar, 5);
1309 TVirtualMC::GetMC()->Gspos("QA25", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1311 //printf(" QA25 CONE from z = %1.2f to z= %1.2f (transition cone)\n",zd2,2*conpar[0]+zd2);
1313 zd2 += 2.*conpar[0];
1316 tubpar[0] = 21.66/2.;
1317 tubpar[1] = 22.06/2.;
1318 tubpar[2] = 28.6/2.;
1319 TVirtualMC::GetMC()->Gsvolu("QA26", "TUBE", idtmed[7], tubpar, 3);
1320 TVirtualMC::GetMC()->Gspos("QA26", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1322 //printf(" QA26 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1324 zd2 += 2.*tubpar[2];
1326 //printf(" Begin of recombination chamber z = %1.2f\n",zd2);
1328 // --------------------------------------------------------
1329 // RECOMBINATION CHAMBER IMPLEMENTED USING TGeo CLASSES!!!!
1330 // author: Chiara (June 2008)
1331 // --------------------------------------------------------
1332 // TRANSFORMATION MATRICES
1333 // Combi transformation:
1338 thx = 84.989100; phx = 0.000000;
1339 thy = 90.000000; phy = 90.000000;
1340 thz = 5.010900; phz = 180.000000;
1341 TGeoRotation *rotMatrix1 = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
1342 // Combi transformation:
1346 TGeoCombiTrans *rotMatrix2 = new TGeoCombiTrans("ZDC_c1", dx,dy,dz,rotMatrix1);
1347 rotMatrix2->RegisterYourself();
1348 // Combi transformation:
1353 thx = 95.010900; phx = 0.000000;
1354 thy = 90.000000; phy = 90.000000;
1355 thz = 5.010900; phz = 0.000000;
1356 TGeoRotation *rotMatrix3 = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
1357 TGeoCombiTrans *rotMatrix4 = new TGeoCombiTrans("ZDC_c2", dx,dy,dz,rotMatrix3);
1358 rotMatrix4->RegisterYourself();
1361 // VOLUMES DEFINITION
1363 TGeoVolume *pZDCA = gGeoManager->GetVolume("ZDCA");
1365 conpar[0] = (90.1-0.95-0.26)/2.;
1367 conpar[2] = 21.6/2.;
1370 new TGeoCone("QALext", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
1372 conpar[0] = (90.1-0.95-0.26)/2.;
1374 conpar[2] = 21.2/2.;
1377 new TGeoCone("QALint", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
1380 TGeoCompositeShape *pOutTrousers = new TGeoCompositeShape("outTrousers", "QALext:ZDC_c1+QALext:ZDC_c2");
1383 //TGeoMedium *medZDCFe = gGeoManager->GetMedium("ZDC_ZIRON");
1384 TGeoVolume *pQALext = new TGeoVolume("QALext",pOutTrousers, medZDCFe);
1385 pQALext->SetLineColor(kBlue);
1386 pQALext->SetVisLeaves(kTRUE);
1388 TGeoTranslation *tr1 = new TGeoTranslation(0., 0., (Double_t) conpar[0]+0.95+zd2);
1389 pZDCA->AddNode(pQALext, 1, tr1);
1391 TGeoCompositeShape *pIntTrousers = new TGeoCompositeShape("intTrousers", "QALint:ZDC_c1+QALint:ZDC_c2");
1393 //TGeoMedium *medZDCvoid = gGeoManager->GetMedium("ZDC_ZVOID");
1394 TGeoVolume *pQALint = new TGeoVolume("QALint",pIntTrousers, medZDCvoid);
1395 pQALint->SetLineColor(kAzure);
1396 pQALint->SetVisLeaves(kTRUE);
1397 pQALext->AddNode(pQALint, 1);
1401 //printf(" End of recombination chamber z = %1.2f\n",zd2);
1404 // second section : 2 tubes (ID = 54. OD = 58.)
1407 tubpar[2] = 40.0/2.;
1408 TVirtualMC::GetMC()->Gsvolu("QA27", "TUBE", idtmed[7], tubpar, 3);
1409 TVirtualMC::GetMC()->Gspos("QA27", 1, "ZDCA", -15.8/2., 0., tubpar[2]+zd2, 0, "ONLY");
1410 TVirtualMC::GetMC()->Gspos("QA27", 2, "ZDCA", 15.8/2., 0., tubpar[2]+zd2, 0, "ONLY");
1412 //printf(" QA27 TUBE from z = %1.2f to z= %1.2f (separate pipes)\n",zd2,2*tubpar[2]+zd2);
1414 zd2 += 2.*tubpar[2];
1416 // transition x2zdc to recombination chamber : skewed cone
1417 conpar[0] = (10.-1.)/2.;
1422 TVirtualMC::GetMC()->Gsvolu("QA28", "CONE", idtmed[7], conpar, 5);
1423 TVirtualMC::GetMC()->Gspos("QA28", 1, "ZDCA", -7.9-0.175, 0., conpar[0]+0.5+zd2, irotpipe1, "ONLY");
1424 TVirtualMC::GetMC()->Gspos("QA28", 2, "ZDCA", 7.9+0.175, 0., conpar[0]+0.5+zd2, irotpipe2, "ONLY");
1425 //printf(" QA28 CONE from z = %1.2f to z= %1.2f (transition X2ZDC)\n",zd2,2*conpar[0]+0.2+zd2);
1427 zd2 += 2.*conpar[0]+1.;
1429 // 2 tubes (ID = 63 mm OD=70 mm)
1432 tubpar[2] = (342.5+498.3)/2.;
1433 TVirtualMC::GetMC()->Gsvolu("QA29", "TUBE", idtmed[7], tubpar, 3);
1434 TVirtualMC::GetMC()->Gspos("QA29", 1, "ZDCA", -16.5/2., 0., tubpar[2]+zd2, 0, "ONLY");
1435 TVirtualMC::GetMC()->Gspos("QA29", 2, "ZDCA", 16.5/2., 0., tubpar[2]+zd2, 0, "ONLY");
1436 //printf(" QA29 TUBE from z = %1.2f to z= %1.2f (separate pipes)\n",zd2,2*tubpar[2]+zd2);
1438 zd2 += 2.*tubpar[2];
1440 // -- Luminometer (Cu box) in front of ZN - side A
1444 boxpar[2] = fLumiLength/2.;
1445 TVirtualMC::GetMC()->Gsvolu("QLUA", "BOX ", idtmed[9], boxpar, 3);
1446 TVirtualMC::GetMC()->Gspos("QLUA", 1, "ZDCA", 0., 0., fPosZNA[2]-66.-boxpar[2], 0, "ONLY");
1447 printf(" A SIDE LUMINOMETER %1.2f < z < %1.2f\n\n", fPosZNA[2]-66., fPosZNA[2]-66.-2*boxpar[2]);
1449 printf(" END OF A SIDE BEAM PIPE VOLUME DEFINITION AT z = %f m from IP2\n",zd2/100.);
1452 // ----------------------------------------------------------------
1453 // -- MAGNET DEFINITION -> LHC OPTICS 6.5
1454 // ----------------------------------------------------------------
1455 // ***************************************************************
1456 // SIDE C - RB26 (dimuon side)
1457 // ***************************************************************
1458 // -- COMPENSATOR DIPOLE (MBXW)
1461 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1464 tubpar[2] = 153./2.;
1465 TVirtualMC::GetMC()->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3);
1466 TVirtualMC::GetMC()->Gspos("MBXW", 1, "ZDCC", 0., 0., -tubpar[2]-zCorrDip, 0, "ONLY");
1470 tubpar[2] = 150./2.;
1471 TVirtualMC::GetMC()->Gsvolu("YMBX", "TUBE", idtmed[7], tubpar, 3);
1472 TVirtualMC::GetMC()->Gspos("YMBX", 1, "ZDCC", 0., 0., -1.5-tubpar[2]-zCorrDip, 0, "ONLY");
1478 // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT
1480 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1483 tubpar[2] = 637./2.;
1484 TVirtualMC::GetMC()->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3);
1489 tubpar[2] = 637./2.;
1490 TVirtualMC::GetMC()->Gsvolu("YMQL", "TUBE", idtmed[7], tubpar, 3);
1492 TVirtualMC::GetMC()->Gspos("MQXL", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip, 0, "ONLY");
1493 TVirtualMC::GetMC()->Gspos("YMQL", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip, 0, "ONLY");
1495 TVirtualMC::GetMC()->Gspos("MQXL", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-2400., 0, "ONLY");
1496 TVirtualMC::GetMC()->Gspos("YMQL", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-2400., 0, "ONLY");
1499 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1502 tubpar[2] = 550./2.;
1503 TVirtualMC::GetMC()->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3);
1508 tubpar[2] = 550./2.;
1509 TVirtualMC::GetMC()->Gsvolu("YMQ ", "TUBE", idtmed[7], tubpar, 3);
1511 TVirtualMC::GetMC()->Gspos("MQX ", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-908.5, 0, "ONLY");
1512 TVirtualMC::GetMC()->Gspos("YMQ ", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-908.5, 0, "ONLY");
1514 TVirtualMC::GetMC()->Gspos("MQX ", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-1558.5, 0, "ONLY");
1515 TVirtualMC::GetMC()->Gspos("YMQ ", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-1558.5, 0, "ONLY");
1517 // -- SEPARATOR DIPOLE D1
1520 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1523 tubpar[2] = 945./2.;
1524 TVirtualMC::GetMC()->Gsvolu("MD1 ", "TUBE", idtmed[11], tubpar, 3);
1526 // -- Insert horizontal Cu plates inside D1
1527 // -- (to simulate the vacuum chamber)
1528 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.98+0.2)*(2.98+0.2)) - 0.05;
1530 boxpar[2] = 945./2.;
1531 TVirtualMC::GetMC()->Gsvolu("MD1V", "BOX ", idtmed[6], boxpar, 3);
1532 TVirtualMC::GetMC()->Gspos("MD1V", 1, "MD1 ", 0., 2.98+boxpar[1], 0., 0, "ONLY");
1533 TVirtualMC::GetMC()->Gspos("MD1V", 2, "MD1 ", 0., -2.98-boxpar[1], 0., 0, "ONLY");
1537 tubpar[1] = 110./2.;
1538 tubpar[2] = 945./2.;
1539 TVirtualMC::GetMC()->Gsvolu("YD1 ", "TUBE", idtmed[7], tubpar, 3);
1541 TVirtualMC::GetMC()->Gspos("YD1 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD1, 0, "ONLY");
1542 TVirtualMC::GetMC()->Gspos("MD1 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD1, 0, "ONLY");
1544 //printf(" MD1 from z = %1.2f to z= %1.2f cm\n",-zD1, -zD1-2*tubpar[2]);
1548 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1551 tubpar[2] = 945./2.;
1552 TVirtualMC::GetMC()->Gsvolu("MD2 ", "TUBE", idtmed[11], tubpar, 3);
1557 tubpar[2] = 945./2.;
1558 TVirtualMC::GetMC()->Gsvolu("YD2 ", "TUBE", idtmed[7], tubpar, 3);
1560 TVirtualMC::GetMC()->Gspos("YD2 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD2, 0, "ONLY");
1562 //printf(" YD2 from z = %1.2f to z= %1.2f cm\n",-zD2, -zD2-2*tubpar[2]);
1564 TVirtualMC::GetMC()->Gspos("MD2 ", 1, "YD2 ", -9.4, 0., 0., 0, "ONLY");
1565 TVirtualMC::GetMC()->Gspos("MD2 ", 2, "YD2 ", 9.4, 0., 0., 0, "ONLY");
1567 // ***************************************************************
1569 // ***************************************************************
1571 // COMPENSATOR DIPOLE (MCBWA) (2nd compensator)
1572 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1575 tubpar[2] = 153./2.;
1576 TVirtualMC::GetMC()->Gsvolu("MCBW", "TUBE", idtmed[11], tubpar, 3);
1577 TVirtualMC::GetMC()->Gspos("MCBW", 1, "ZDCA", 0., 0., tubpar[2]+zCorrDip, 0, "ONLY");
1582 tubpar[2] = 153./2.;
1583 TVirtualMC::GetMC()->Gsvolu("YMCB", "TUBE", idtmed[7], tubpar, 3);
1584 TVirtualMC::GetMC()->Gspos("YMCB", 1, "ZDCA", 0., 0., tubpar[2]+zCorrDip, 0, "ONLY");
1587 // -- DEFINE MQX1 AND MQX2 QUADRUPOLE ELEMENT
1589 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1592 tubpar[2] = 637./2.;
1593 TVirtualMC::GetMC()->Gsvolu("MQX1", "TUBE", idtmed[11], tubpar, 3);
1594 TVirtualMC::GetMC()->Gsvolu("MQX4", "TUBE", idtmed[11], tubpar, 3);
1599 tubpar[2] = 637./2.;
1600 TVirtualMC::GetMC()->Gsvolu("YMQ1", "TUBE", idtmed[7], tubpar, 3);
1603 TVirtualMC::GetMC()->Gspos("MQX1", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip, 0, "ONLY");
1604 TVirtualMC::GetMC()->Gspos("YMQ1", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip, 0, "ONLY");
1606 // -- BEAM SCREEN FOR Q1
1607 tubpar[0] = 4.78/2.;
1608 tubpar[1] = 5.18/2.;
1609 tubpar[2] = 637./2.;
1610 TVirtualMC::GetMC()->Gsvolu("QBS1", "TUBE", idtmed[6], tubpar, 3);
1611 TVirtualMC::GetMC()->Gspos("QBS1", 1, "MQX1", 0., 0., 0., 0, "ONLY");
1612 // INSERT VERTICAL PLATE INSIDE Q1
1613 boxpar[0] = 0.2/2.0;
1614 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(1.9+0.2)*(1.9+0.2));
1615 boxpar[2] = 637./2.;
1616 TVirtualMC::GetMC()->Gsvolu("QBS2", "BOX ", idtmed[6], boxpar, 3);
1617 TVirtualMC::GetMC()->Gspos("QBS2", 1, "MQX1", 1.9+boxpar[0], 0., 0., 0, "ONLY");
1618 TVirtualMC::GetMC()->Gspos("QBS2", 2, "MQX1", -1.9-boxpar[0], 0., 0., 0, "ONLY");
1621 TVirtualMC::GetMC()->Gspos("MQX4", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+2400., 0, "ONLY");
1622 TVirtualMC::GetMC()->Gspos("YMQ1", 2, "ZDCA", 0., 0., tubpar[2]+zInnTrip+2400., 0, "ONLY");
1624 // -- BEAM SCREEN FOR Q3
1625 tubpar[0] = 5.79/2.;
1626 tubpar[1] = 6.14/2.;
1627 tubpar[2] = 637./2.;
1628 TVirtualMC::GetMC()->Gsvolu("QBS3", "TUBE", idtmed[6], tubpar, 3);
1629 TVirtualMC::GetMC()->Gspos("QBS3", 1, "MQX4", 0., 0., 0., 0, "ONLY");
1630 // INSERT VERTICAL PLATE INSIDE Q3
1631 boxpar[0] = 0.2/2.0;
1632 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(2.405+0.2)*(2.405+0.2));
1634 TVirtualMC::GetMC()->Gsvolu("QBS4", "BOX ", idtmed[6], boxpar, 3);
1635 TVirtualMC::GetMC()->Gspos("QBS4", 1, "MQX4", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1636 TVirtualMC::GetMC()->Gspos("QBS4", 2, "MQX4", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1641 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1644 tubpar[2] = 550./2.;
1645 TVirtualMC::GetMC()->Gsvolu("MQX2", "TUBE", idtmed[11], tubpar, 3);
1646 TVirtualMC::GetMC()->Gsvolu("MQX3", "TUBE", idtmed[11], tubpar, 3);
1651 tubpar[2] = 550./2.;
1652 TVirtualMC::GetMC()->Gsvolu("YMQ2", "TUBE", idtmed[7], tubpar, 3);
1654 // -- BEAM SCREEN FOR Q2
1655 tubpar[0] = 5.79/2.;
1656 tubpar[1] = 6.14/2.;
1657 tubpar[2] = 550./2.;
1658 TVirtualMC::GetMC()->Gsvolu("QBS5", "TUBE", idtmed[6], tubpar, 3);
1659 // VERTICAL PLATE INSIDE Q2
1660 boxpar[0] = 0.2/2.0;
1661 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(2.405+0.2)*(2.405+0.2));
1663 TVirtualMC::GetMC()->Gsvolu("QBS6", "BOX ", idtmed[6], boxpar, 3);
1666 TVirtualMC::GetMC()->Gspos("MQX2", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+908.5, 0, "ONLY");
1667 TVirtualMC::GetMC()->Gspos("QBS5", 1, "MQX2", 0., 0., 0., 0, "ONLY");
1668 TVirtualMC::GetMC()->Gspos("QBS6", 1, "MQX2", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1669 TVirtualMC::GetMC()->Gspos("QBS6", 2, "MQX2", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1670 TVirtualMC::GetMC()->Gspos("YMQ2", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+908.5, 0, "ONLY");
1674 TVirtualMC::GetMC()->Gspos("MQX3", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+1558.5, 0, "ONLY");
1675 TVirtualMC::GetMC()->Gspos("QBS5", 2, "MQX3", 0., 0., 0., 0, "ONLY");
1676 TVirtualMC::GetMC()->Gspos("QBS6", 3, "MQX3", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1677 TVirtualMC::GetMC()->Gspos("QBS6", 4, "MQX3", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1678 TVirtualMC::GetMC()->Gspos("YMQ2", 2, "ZDCA", 0., 0., tubpar[2]+zInnTrip+1558.5, 0, "ONLY");
1680 // -- SEPARATOR DIPOLE D1
1681 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1683 tubpar[1] = 6.75/2.;//3.375
1684 tubpar[2] = 945./2.;
1685 TVirtualMC::GetMC()->Gsvolu("MD1L", "TUBE", idtmed[11], tubpar, 3);
1687 // -- The beam screen tube is provided by the beam pipe in D1 (QA03 volume)
1688 // -- Insert the beam screen horizontal Cu plates inside D1
1689 // -- (to simulate the vacuum chamber)
1690 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.885+0.2)*(2.885+0.2));
1693 TVirtualMC::GetMC()->Gsvolu("QBS7", "BOX ", idtmed[6], boxpar, 3);
1694 TVirtualMC::GetMC()->Gspos("QBS7", 1, "MD1L", 0., 2.885+boxpar[1],0., 0, "ONLY");
1695 TVirtualMC::GetMC()->Gspos("QBS7", 2, "MD1L", 0., -2.885-boxpar[1],0., 0, "ONLY");
1700 tubpar[2] = 945./2.;
1701 TVirtualMC::GetMC()->Gsvolu("YD1L", "TUBE", idtmed[7], tubpar, 3);
1703 TVirtualMC::GetMC()->Gspos("YD1L", 1, "ZDCA", 0., 0., tubpar[2]+zD1, 0, "ONLY");
1704 TVirtualMC::GetMC()->Gspos("MD1L", 1, "ZDCA", 0., 0., tubpar[2]+zD1, 0, "ONLY");
1707 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1709 tubpar[1] = 7.5/2.; // this has to be checked
1710 tubpar[2] = 945./2.;
1711 TVirtualMC::GetMC()->Gsvolu("MD2L", "TUBE", idtmed[11], tubpar, 3);
1716 tubpar[2] = 945./2.;
1717 TVirtualMC::GetMC()->Gsvolu("YD2L", "TUBE", idtmed[7], tubpar, 3);
1719 TVirtualMC::GetMC()->Gspos("YD2L", 1, "ZDCA", 0., 0., tubpar[2]+zD2, 0, "ONLY");
1721 TVirtualMC::GetMC()->Gspos("MD2L", 1, "YD2L", -9.4, 0., 0., 0, "ONLY");
1722 TVirtualMC::GetMC()->Gspos("MD2L", 2, "YD2L", 9.4, 0., 0., 0, "ONLY");
1724 // -- END OF MAGNET DEFINITION
1727 //_____________________________________________________________________________
1728 void AliZDCv4::CreateZDC()
1731 // Create the various ZDCs (ZN + ZP)
1734 Float_t dimPb[6], dimVoid[6];
1736 Int_t *idtmed = fIdtmed->GetArray();
1738 // Parameters for EM calorimeter geometry
1739 // NB -> parameters used ONLY in CreateZDC()
1740 Float_t kDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
1741 Float_t kFibRadZEM = 0.0315; // External fiber radius (including cladding)
1742 Int_t fDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
1743 Float_t fDimZEM[6] = {fZEMLength, 3.5, 3.5, 45., 0., 0.}; // Dimensions of EM detector
1744 Float_t fFibZEM2 = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-kFibRadZEM;
1745 Float_t fFibZEM[3] = {0., 0.0275, fFibZEM2}; // Fibers for EM calorimeter
1748 // Parameters for hadronic calorimeters geometry
1749 // NB -> parameters used ONLY in CreateZDC()
1750 Float_t fGrvZN[3] = {0.03, 0.03, 50.}; // Grooves for neutron detector
1751 Float_t fGrvZP[3] = {0.04, 0.04, 75.}; // Grooves for proton detector
1752 Int_t fDivZN[3] = {11, 11, 0}; // Division for neutron detector
1753 Int_t fDivZP[3] = {7, 15, 0}; // Division for proton detector
1754 Int_t fTowZN[2] = {2, 2}; // Tower for neutron detector
1755 Int_t fTowZP[2] = {4, 1}; // Tower for proton detector
1759 //-- Create calorimeters geometry
1761 // -------------------------------------------------------------------------------
1762 //--> Neutron calorimeter (ZN)
1764 TVirtualMC::GetMC()->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material
1765 TVirtualMC::GetMC()->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material
1766 TVirtualMC::GetMC()->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3);
1767 TVirtualMC::GetMC()->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3);
1768 TVirtualMC::GetMC()->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3);
1769 TVirtualMC::GetMC()->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves
1770 TVirtualMC::GetMC()->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3);
1771 TVirtualMC::GetMC()->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3);
1772 TVirtualMC::GetMC()->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3);
1774 // Divide ZNEU in towers (for hits purposes)
1776 TVirtualMC::GetMC()->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower
1777 TVirtualMC::GetMC()->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower
1779 //-- Divide ZN1 in minitowers
1780 // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS,
1781 // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS
1782 // (4 fibres per minitower)
1784 TVirtualMC::GetMC()->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices
1785 TVirtualMC::GetMC()->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks
1787 // --- Position the empty grooves in the sticks (4 grooves per stick)
1788 Float_t dx = fDimZN[0] / fDivZN[0] / 4.;
1789 Float_t dy = fDimZN[1] / fDivZN[1] / 4.;
1791 TVirtualMC::GetMC()->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY");
1792 TVirtualMC::GetMC()->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY");
1793 TVirtualMC::GetMC()->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY");
1794 TVirtualMC::GetMC()->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY");
1796 // --- Position the fibers in the grooves
1797 TVirtualMC::GetMC()->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY");
1798 TVirtualMC::GetMC()->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY");
1799 TVirtualMC::GetMC()->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY");
1800 TVirtualMC::GetMC()->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY");
1802 // --- Position the neutron calorimeter in ZDC
1803 // -- Rotation of ZDCs
1805 TVirtualMC::GetMC()->Matrix(irotzdc, 90., 180., 90., 90., 180., 0.);
1807 TVirtualMC::GetMC()->Gspos("ZNEU", 1, "ZDCC", fPosZNC[0], fPosZNC[1], fPosZNC[2]-fDimZN[2], irotzdc, "ONLY");
1809 //printf("\n ZN -> %f < z < %f cm\n",fPosZN[2],fPosZN[2]-2*fDimZN[2]);
1811 // --- Position the neutron calorimeter in ZDC2 (left line)
1812 // -- No Rotation of ZDCs
1813 TVirtualMC::GetMC()->Gspos("ZNEU", 2, "ZDCA", fPosZNA[0], fPosZNA[1], fPosZNA[2]+fDimZN[2], 0, "ONLY");
1815 printf("\n ZNA -> %f < z < %f cm\n",fPosZNA[2],fPosZNA[2]+2*fDimZN[2]);
1818 // -------------------------------------------------------------------------------
1819 //--> Proton calorimeter (ZP)
1821 TVirtualMC::GetMC()->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material
1822 TVirtualMC::GetMC()->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material
1823 TVirtualMC::GetMC()->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3);
1824 TVirtualMC::GetMC()->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3);
1825 TVirtualMC::GetMC()->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3);
1826 TVirtualMC::GetMC()->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves
1827 TVirtualMC::GetMC()->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3);
1828 TVirtualMC::GetMC()->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3);
1829 TVirtualMC::GetMC()->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3);
1831 //-- Divide ZPRO in towers(for hits purposes)
1833 TVirtualMC::GetMC()->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower
1834 TVirtualMC::GetMC()->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower
1837 //-- Divide ZP1 in minitowers
1838 // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER,
1839 // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER
1840 // (4 fiber per minitower)
1842 TVirtualMC::GetMC()->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices
1843 TVirtualMC::GetMC()->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks
1845 // --- Position the empty grooves in the sticks (4 grooves per stick)
1846 dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.;
1847 dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.;
1849 TVirtualMC::GetMC()->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY");
1850 TVirtualMC::GetMC()->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY");
1851 TVirtualMC::GetMC()->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY");
1852 TVirtualMC::GetMC()->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY");
1854 // --- Position the fibers in the grooves
1855 TVirtualMC::GetMC()->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY");
1856 TVirtualMC::GetMC()->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY");
1857 TVirtualMC::GetMC()->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY");
1858 TVirtualMC::GetMC()->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY");
1861 // --- Position the proton calorimeter in ZDCC
1862 TVirtualMC::GetMC()->Gspos("ZPRO", 1, "ZDCC", fPosZPC[0], fPosZPC[1], fPosZPC[2]-fDimZP[2], irotzdc, "ONLY");
1864 //printf("\n ZP -> %f < z < %f cm\n",fPosZP[2],fPosZP[2]-2*fDimZP[2]);
1866 // --- Position the proton calorimeter in ZDCA
1868 TVirtualMC::GetMC()->Gspos("ZPRO", 2, "ZDCA", fPosZPA[0], fPosZPA[1], fPosZPA[2]+fDimZP[2], 0, "ONLY");
1870 printf("\n ZPA -> %f < z < %f cm\n",fPosZPA[2],fPosZPA[2]+2*fDimZP[2]);
1873 // -------------------------------------------------------------------------------
1874 // -> EM calorimeter (ZEM)
1876 TVirtualMC::GetMC()->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6);
1879 TVirtualMC::GetMC()->Matrix(irot1,0.,0.,90.,90.,-90.,0.); // Rotation matrix 1
1880 TVirtualMC::GetMC()->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]);// Rotation matrix 2
1881 //printf("irot1 = %d, irot2 = %d \n", irot1, irot2);
1883 TVirtualMC::GetMC()->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material
1885 TVirtualMC::GetMC()->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches
1887 dimPb[0] = kDimZEMPb; // Lead slices
1888 dimPb[1] = fDimZEM[2];
1889 dimPb[2] = fDimZEM[1];
1890 //dimPb[3] = fDimZEM[3]; //controllare
1891 dimPb[3] = 90.-fDimZEM[3]; //originale
1894 TVirtualMC::GetMC()->Gsvolu("ZEL0", "PARA", idtmed[5], dimPb, 6);
1895 TVirtualMC::GetMC()->Gsvolu("ZEL1", "PARA", idtmed[5], dimPb, 6);
1896 TVirtualMC::GetMC()->Gsvolu("ZEL2", "PARA", idtmed[5], dimPb, 6);
1898 // --- Position the lead slices in the tranche
1899 Float_t zTran = fDimZEM[0]/fDivZEM[2];
1900 Float_t zTrPb = -zTran+kDimZEMPb;
1901 TVirtualMC::GetMC()->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY");
1902 TVirtualMC::GetMC()->Gspos("ZEL1", 1, "ZETR", kDimZEMPb, 0., 0., 0, "ONLY");
1904 // --- Vacuum zone (to be filled with fibres)
1905 dimVoid[0] = (zTran-2*kDimZEMPb)/2.;
1906 dimVoid[1] = fDimZEM[2];
1907 dimVoid[2] = fDimZEM[1];
1908 dimVoid[3] = 90.-fDimZEM[3];
1911 TVirtualMC::GetMC()->Gsvolu("ZEV0", "PARA", idtmed[10], dimVoid,6);
1912 TVirtualMC::GetMC()->Gsvolu("ZEV1", "PARA", idtmed[10], dimVoid,6);
1914 // --- Divide the vacuum slice into sticks along x axis
1915 TVirtualMC::GetMC()->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3);
1916 TVirtualMC::GetMC()->Gsdvn("ZES1", "ZEV1", fDivZEM[0], 3);
1918 // --- Positioning the fibers into the sticks
1919 TVirtualMC::GetMC()->Gspos("ZEMF", 1,"ZES0", 0., 0., 0., irot2, "ONLY");
1920 TVirtualMC::GetMC()->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY");
1922 // --- Positioning the vacuum slice into the tranche
1923 //Float_t displFib = fDimZEM[1]/fDivZEM[0];
1924 TVirtualMC::GetMC()->Gspos("ZEV0", 1,"ZETR", -dimVoid[0], 0., 0., 0, "ONLY");
1925 TVirtualMC::GetMC()->Gspos("ZEV1", 1,"ZETR", -dimVoid[0]+zTran, 0., 0., 0, "ONLY");
1927 // --- Positioning the ZEM into the ZDC - rotation for 90 degrees
1928 // NB -> ZEM is positioned in ALIC (instead of in ZDC) volume
1929 TVirtualMC::GetMC()->Gspos("ZEM ", 1,"ALIC", -fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
1931 // Second EM ZDC (same side w.r.t. IP, just on the other side w.r.t. beam pipe)
1932 TVirtualMC::GetMC()->Gspos("ZEM ", 2,"ALIC", fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
1934 // --- Adding last slice at the end of the EM calorimeter
1935 Float_t zLastSlice = fPosZEM[2]+kDimZEMPb+2*fDimZEM[0];
1936 TVirtualMC::GetMC()->Gspos("ZEL2", 1,"ALIC", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY");
1938 //printf("\n ZEM lenght = %f cm\n",2*fZEMLength);
1939 //printf("\n ZEM -> %f < z < %f cm\n",fPosZEM[2],fPosZEM[2]+2*fZEMLength+zLastSlice+kDimZEMPb);
1943 //_____________________________________________________________________________
1944 void AliZDCv4::CreateMaterials()
1947 // Create Materials for the Zero Degree Calorimeter
1949 Float_t dens=0., ubuf[1]={0.};
1950 Float_t wmat[3]={0.,0,0}, a[3]={0.,0,0}, z[3]={0.,0,0};
1952 // --- W alloy -> ZN passive material
1963 AliMixture(1, "WALL", a, z, dens, 3, wmat);
1965 // --- Brass (CuZn) -> ZP passive material
1973 AliMixture(2, "BRASS", a, z, dens, 2, wmat);
1983 AliMixture(3, "SIO2", a, z, dens, -2, wmat);
1987 AliMaterial(5, "LEAD", 207.19, 82., 11.35, .56, 0., ubuf, 1);
1989 // --- Copper (energy loss taken into account)
1991 AliMaterial(6, "COPP0", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
1995 AliMaterial(9, "COPP1", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
1997 // --- Iron (energy loss taken into account)
1999 AliMaterial(7, "IRON0", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
2001 // --- Iron (no energy loss)
2003 AliMaterial(8, "IRON1", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
2007 AliMaterial(13, "TANT", 183.84, 74., 19.3, 0.35, 0., ubuf, 1);
2009 // ---------------------------------------------------------
2010 Float_t aResGas[3]={1.008,12.0107,15.9994};
2011 Float_t zResGas[3]={1.,6.,8.};
2012 Float_t wResGas[3]={0.28,0.28,0.44};
2013 Float_t dResGas = 3.2E-14;
2015 // --- Vacuum (no magnetic field)
2016 AliMixture(10, "VOID", aResGas, zResGas, dResGas, 3, wResGas);
2018 // --- Vacuum (with magnetic field)
2019 AliMixture(11, "VOIM", aResGas, zResGas, dResGas, 3, wResGas);
2021 // --- Air (no magnetic field)
2022 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
2023 Float_t zAir[4]={6.,7.,8.,18.};
2024 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
2025 Float_t dAir = 1.20479E-3;
2027 AliMixture(12, "Air $", aAir, zAir, dAir, 4, wAir);
2029 // --- Definition of tracking media:
2031 // --- Tantalum = 1 ;
2033 // --- Fibers (SiO2) = 3 ;
2034 // --- Fibers (SiO2) = 4 ;
2036 // --- Copper (with high thr.)= 6 ;
2037 // --- Copper (with low thr.)= 9;
2038 // --- Iron (with energy loss) = 7 ;
2039 // --- Iron (without energy loss) = 8 ;
2040 // --- Vacuum (no field) = 10
2041 // --- Vacuum (with field) = 11
2042 // --- Air (no field) = 12
2044 // ****************************************************
2045 // Tracking media parameters
2047 Float_t epsil = 0.01; // Tracking precision,
2048 Float_t stmin = 0.01; // Min. value 4 max. step (cm)
2049 Float_t stemax = 1.; // Max. step permitted (cm)
2050 Float_t tmaxfd = 0.; // Maximum angle due to field (degrees)
2051 Float_t tmaxfdv = 0.1; // Maximum angle due to field (degrees)
2052 Float_t deemax = -1.; // Maximum fractional energy loss
2053 Float_t nofieldm = 0.; // Max. field value (no field)
2054 Float_t fieldm = 45.; // Max. field value (with field)
2055 Int_t isvol = 0; // ISVOL =0 -> not sensitive volume
2056 Int_t isvolActive = 1; // ISVOL =1 -> sensitive volume
2057 Int_t inofld = 0; // IFIELD=0 -> no magnetic field
2058 Int_t ifield = 2; // IFIELD=2 -> magnetic field defined in AliMagFC.h
2059 // *****************************************************
2061 AliMedium(1, "ZWALL", 1, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2062 AliMedium(2, "ZBRASS",2, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2063 AliMedium(3, "ZSIO2", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2064 AliMedium(4, "ZQUAR", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2065 AliMedium(5, "ZLEAD", 5, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2066 AliMedium(6, "ZCOPP", 6, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2067 AliMedium(7, "ZIRON", 7, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2068 AliMedium(8, "ZIRONN",8, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2069 AliMedium(9, "ZCOPL", 6, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2070 AliMedium(10,"ZVOID",10, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2071 AliMedium(11,"ZVOIM",11, isvol, ifield, fieldm, tmaxfdv,stemax, deemax, epsil, stmin);
2072 AliMedium(12,"ZAIR", 12, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2073 AliMedium(13,"ZTANT",13, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2074 AliMedium(14,"ZIRONT",7, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2078 //_____________________________________________________________________________
2079 void AliZDCv4::AddAlignableVolumes() const
2082 // Create entries for alignable volumes associating the symbolic volume
2083 // name with the corresponding volume path. Needs to be syncronized with
2084 // eventual changes in the geometry.
2086 if(fOnlyZEM) return;
2088 TString volpath1 = "ALIC_1/ZDCC_1/ZNEU_1";
2089 TString volpath2 = "ALIC_1/ZDCC_1/ZPRO_1";
2090 TString volpath3 = "ALIC_1/ZDCA_1/ZNEU_2";
2091 TString volpath4 = "ALIC_1/ZDCA_1/ZPRO_2";
2093 TString symname1="ZDC/NeutronZDC_C";
2094 TString symname2="ZDC/ProtonZDC_C";
2095 TString symname3="ZDC/NeutronZDC_A";
2096 TString symname4="ZDC/ProtonZDC_A";
2098 if(!gGeoManager->SetAlignableEntry(symname1.Data(),volpath1.Data()))
2099 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname1.Data(),volpath1.Data()));
2101 if(!gGeoManager->SetAlignableEntry(symname2.Data(),volpath2.Data()))
2102 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname2.Data(),volpath2.Data()));
2104 if(!gGeoManager->SetAlignableEntry(symname3.Data(),volpath3.Data()))
2105 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname1.Data(),volpath1.Data()));
2107 if(!gGeoManager->SetAlignableEntry(symname4.Data(),volpath4.Data()))
2108 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname2.Data(),volpath2.Data()));
2113 //_____________________________________________________________________________
2114 void AliZDCv4::Init()
2117 Int_t *idtmed = fIdtmed->GetArray();
2119 fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material
2120 fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material
2121 fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1
2122 fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2
2123 fMedSensZEM = idtmed[5]; // Sensitive volume: ZEM passive material
2124 fMedSensTDI = idtmed[6]; // Sensitive volume: TDI Cu shield
2125 fMedSensPI = idtmed[7]; // Sensitive volume: beam pipes
2126 fMedSensLumi = idtmed[9]; // Sensitive volume: luminometer
2127 fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves
2128 fMedSensVColl = idtmed[13]; // Sensitive volume: collimator jaws
2131 //_____________________________________________________________________________
2132 void AliZDCv4::InitTables()
2135 // Read light tables for Cerenkov light production parameterization
2141 // --- Reading light tables for ZN
2142 char *lightfName1 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362207s");
2143 FILE *fp1 = fopen(lightfName1,"r");
2145 printf("Cannot open light table from file %s \n",lightfName1);
2149 for(k=0; k<fNalfan; k++){
2150 for(j=0; j<fNben; j++){
2151 read = fscanf(fp1,"%f",&fTablen[0][k][j]);
2152 if(read==0) AliDebug(3, " Error in reading light table 1");
2157 char *lightfName2 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362208s");
2158 FILE *fp2 = fopen(lightfName2,"r");
2160 printf("Cannot open light table from file %s \n",lightfName2);
2164 for(k=0; k<fNalfan; k++){
2165 for(j=0; j<fNben; j++){
2166 read = fscanf(fp2,"%f",&fTablen[1][k][j]);
2167 if(read==0) AliDebug(3, " Error in reading light table 2");
2172 char *lightfName3 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362209s");
2173 FILE *fp3 = fopen(lightfName3,"r");
2175 printf("Cannot open light table from file %s \n",lightfName3);
2179 for(k=0; k<fNalfan; k++){
2180 for(j=0; j<fNben; j++){
2181 read = fscanf(fp3,"%f",&fTablen[2][k][j]);
2182 if(read==0) AliDebug(3, " Error in reading light table 3");
2187 char *lightfName4 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362210s");
2188 FILE *fp4 = fopen(lightfName4,"r");
2190 printf("Cannot open light table from file %s \n",lightfName4);
2194 for(k=0; k<fNalfan; k++){
2195 for(j=0; j<fNben; j++){
2196 read = fscanf(fp4,"%f",&fTablen[3][k][j]);
2197 if(read==0) AliDebug(3, " Error in reading light table 4");
2203 // --- Reading light tables for ZP and ZEM
2204 char *lightfName5 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552207s");
2205 FILE *fp5 = fopen(lightfName5,"r");
2207 printf("Cannot open light table from file %s \n",lightfName5);
2211 for(k=0; k<fNalfap; k++){
2212 for(j=0; j<fNbep; j++){
2213 read = fscanf(fp5,"%f",&fTablep[0][k][j]);
2214 if(read==0) AliDebug(3, " Error in reading light table 5");
2219 char *lightfName6 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552208s");
2220 FILE *fp6 = fopen(lightfName6,"r");
2222 printf("Cannot open light table from file %s \n",lightfName6);
2226 for(k=0; k<fNalfap; k++){
2227 for(j=0; j<fNbep; j++){
2228 read = fscanf(fp6,"%f",&fTablep[1][k][j]);
2229 if(read==0) AliDebug(3, " Error in reading light table 6");
2234 char *lightfName7 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552209s");
2235 FILE *fp7 = fopen(lightfName7,"r");
2237 printf("Cannot open light table from file %s \n",lightfName7);
2241 for(k=0; k<fNalfap; k++){
2242 for(j=0; j<fNbep; j++){
2243 read = fscanf(fp7,"%f",&fTablep[2][k][j]);
2244 if(read==0) AliDebug(3, " Error in reading light table 7");
2249 char *lightfName8 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552210s");
2250 FILE *fp8 = fopen(lightfName8,"r");
2252 printf("Cannot open light table from file %s \n",lightfName8);
2256 for(k=0; k<fNalfap; k++){
2257 for(j=0; j<fNbep; j++){
2258 read = fscanf(fp8,"%f",&fTablep[3][k][j]);
2259 if(read==0) AliDebug(3, " Error in reading light table 8");
2266 //_____________________________________________________________________________
2267 void AliZDCv4::StepManager()
2270 // Routine called at every step in the Zero Degree Calorimeters
2272 Int_t j=0, vol[2]={0,0}, ibeta=0, ialfa=0, ibe=0, nphe=0;
2273 Float_t x[3]={0.,0.,0.}, xdet[3]={999.,999.,999.}, um[3]={0.,0.,0.}, ud[3]={0.,0.,0.};
2274 Float_t destep=0., be=0., out=0.;
2275 Double_t s[3]={0.,0.,0.}, p[4]={0.,0.,0.,0.};
2278 for(j=0;j<14;j++) hits[j]=-999.;
2279 const char *knamed = (TVirtualMC::GetMC())->CurrentVolName();
2280 Int_t mid = TVirtualMC::GetMC()->CurrentMedium();
2282 // Study spectator protons distributions at TDI z
2283 /*TVirtualMC::GetMC()->TrackPosition(s[0],s[1],s[2]);
2284 if(s[2]>=7813.30 && s[2]<=8353.30){
2285 //printf(" \t**** particle in vol. %s\n ",knamed);
2286 TVirtualMC::GetMC()->TrackMomentum(p[0], p[1], p[2], p[3]);
2287 Int_t ctrack = gAlice->GetMCApp()->GetCurrentTrackNumber();
2288 TParticle *cpart = gAlice->GetMCApp()->Particle(ctrack);
2289 printf("\t TDIpc %d %f %f %f %f \n", cpart->GetPdgCode(), s[0],s[1],s[2],p[3]);
2291 else if(s[2]>=8353.30 && s[2]<=8403.30){
2292 TVirtualMC::GetMC()->TrackMomentum(p[0], p[1], p[2], p[3]);
2293 Int_t ctrack = gAlice->GetMCApp()->GetCurrentTrackNumber();
2294 TParticle *cpart = gAlice->GetMCApp()->Particle(ctrack);
2295 printf("\t TDIpc %d %f %f %f %f \n", cpart->GetPdgCode(), s[0],s[1],s[2],p[3]);
2297 else if(s[2]>8403.30){
2298 TVirtualMC::GetMC()->StopTrack();
2302 // --- This part is for no shower developement in beam pipe, TDI, VColl
2303 // If particle interacts with beam pipe, TDI, VColl -> return
2304 if(fNoShower==1 && ((mid == fMedSensPI) || (mid == fMedSensTDI) ||
2305 (mid == fMedSensVColl) || (mid == fMedSensLumi))){
2307 // Avoid to stop track in skewed cones between recombination chambers or separate beam pipes and ZDC (Jan 2015)
2308 if((strncmp(knamed,"QA27",4)) && (strncmp(knamed,"QA28",4)) &&
2309 (strncmp(knamed,"QA29",4))){ // true if it is NOT in QA27 || QA28 || QA29
2311 // If option NoShower is set -> StopTrack
2312 //printf(" \t**** particle in vol. %s\n ",knamed);
2315 TVirtualMC::GetMC()->TrackPosition(s[0],s[1],s[2]);
2316 //printf("\t\t(x,y,z) = (%f, %f, %f)\n", s[0], s[1], s[2]);
2317 TVirtualMC::GetMC()->TrackMomentum(p[0], p[1], p[2], p[3]);
2319 if(mid == fMedSensPI){
2320 if(!strncmp(knamed,"YMQ",3)){
2321 if(s[2]<0) fpLostITC += 1;
2322 else fpLostITA += 1;
2325 else if(!strncmp(knamed,"QA02",4)){
2326 if((s[2]>26.15 && s[2]<32.52) || (s[2]>34.80 && s[2]<40.30) ||
2327 (s[2]>41.30 && s[2]<46.80) || (s[2]>50.15 && s[2]<56.52)) fpLostITA += 1;
2329 else if(!strncmp(knamed,"YD1",3)){
2330 if(s[2]<0) fpLostD1C += 1;
2331 else fpLostD1A += 1;
2334 else if(!strncmp(knamed,"QA03",4)) fpLostD1A += 1;
2335 else if(!strncmp(knamed,"QT02",4)) fpLostD1C += 1;
2336 else if(!strncmp(knamed,"QTD",3) || strncmp(knamed,"Q13T",4)) fpLostTDI += 1;
2338 else if(mid == fMedSensTDI){ // fMedSensTDI also involves beam screen inside IT and D1
2339 if(!strncmp(knamed,"QBS1",4) || !strncmp(knamed,"QBS2",4) || // beam screens inside Q1
2340 !strncmp(knamed,"QBS3",4) || !strncmp(knamed,"QBS4",4) || // beam screens inside Q3
2341 !strncmp(knamed,"QBS5",4) || !strncmp(knamed,"QBS6",4) // beam screens inside Q2A/Q2B
2343 if(s[2]<0) fpLostITC += 1;
2344 else fpLostITA += 1;
2346 else if(!strncmp(knamed,"MD1",3)){
2347 if(s[2]<0) fpLostD1C += 1;
2348 else fpLostD1A += 1;
2350 else if(!strncmp(knamed,"QTD",3)) fpLostTDI += 1;
2353 else if(mid == fMedSensVColl){
2354 if(!strncmp(knamed,"QCVC",4)) fpcVCollC++;
2355 else if(!strncmp(knamed,"QCVA",4)) fpcVCollA++;
2359 //printf("\t Particle: mass = %1.3f, E = %1.3f GeV, pz = %1.2f GeV -> stopped in volume %s\n",
2360 // TVirtualMC::GetMC()->TrackMass(), p[3], p[2], knamed);
2363 printf("\n\t **********************************\n");
2364 printf("\t ********** Side C **********\n");
2365 printf("\t # of particles in IT = %d\n",fpLostITC);
2366 printf("\t # of particles in D1 = %d\n",fpLostD1C);
2367 printf("\t # of particles in VColl = %d\n",fpcVCollC);
2368 printf("\t ********** Side A **********\n");
2369 printf("\t # of particles in IT = %d\n",fpLostITA);
2370 printf("\t # of particles in D1 = %d\n",fpLostD1A);
2371 printf("\t # of particles in TDI = %d\n",fpLostTDI);
2372 printf("\t # of particles in VColl = %d\n",fpcVCollA);
2373 printf("\t **********************************\n");
2375 TVirtualMC::GetMC()->StopTrack();
2380 if((mid == fMedSensZN) || (mid == fMedSensZP) ||
2381 (mid == fMedSensGR) || (mid == fMedSensF1) ||
2382 (mid == fMedSensF2) || (mid == fMedSensZEM)){
2385 //Particle coordinates
2386 TVirtualMC::GetMC()->TrackPosition(s[0],s[1],s[2]);
2387 for(j=0; j<=2; j++) x[j] = s[j];
2392 // Determine in which ZDC the particle is
2393 if(!strncmp(knamed,"ZN",2)){
2394 if(x[2]<0.) vol[0]=1; // ZNC (dimuon side)
2395 else if(x[2]>0.) vol[0]=4; //ZNA
2397 else if(!strncmp(knamed,"ZP",2)){
2398 if(x[2]<0.) vol[0]=2; //ZPC (dimuon side)
2399 else if(x[2]>0.) vol[0]=5; //ZPA
2401 else if(!strncmp(knamed,"ZE",2)) vol[0]=3; //ZEM
2403 // Determine in which quadrant the particle is
2404 if(vol[0]==1){ //Quadrant in ZNC
2405 // Calculating particle coordinates inside ZNC
2406 xdet[0] = x[0]-fPosZNC[0];
2407 xdet[1] = x[1]-fPosZNC[1];
2408 // Calculating quadrant in ZN
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]==2){ //Quadrant in ZPC
2420 // Calculating particle coordinates inside ZPC
2421 xdet[0] = x[0]-fPosZPC[0];
2422 xdet[1] = x[1]-fPosZPC[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)){
2435 // Quadrant in ZEM: vol[1] = 1 -> particle in 1st ZEM (placed at x = 8.5 cm)
2436 // vol[1] = 2 -> particle in 2nd ZEM (placed at x = -8.5 cm)
2437 else if(vol[0] == 3){
2440 // Particle x-coordinate inside ZEM1
2441 xdet[0] = x[0]-fPosZEM[0];
2445 // Particle x-coordinate inside ZEM2
2446 xdet[0] = x[0]+fPosZEM[0];
2448 xdet[1] = x[1]-fPosZEM[1];
2451 else if(vol[0]==4){ //Quadrant in ZNA
2452 // Calculating particle coordinates inside ZNA
2453 xdet[0] = x[0]-fPosZNA[0];
2454 xdet[1] = x[1]-fPosZNA[1];
2455 // Calculating quadrant in ZNA
2457 if(xdet[1]<=0.) vol[1]=1;
2460 else if(xdet[0]<0.){
2461 if(xdet[1]<=0.) vol[1]=2;
2466 else if(vol[0]==5){ //Quadrant in ZPA
2467 // Calculating particle coordinates inside ZPA
2468 xdet[0] = x[0]-fPosZPA[0];
2469 xdet[1] = x[1]-fPosZPA[1];
2470 if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01;
2471 if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01;
2472 // Calculating tower in ZP
2473 Float_t xqZP = -xdet[0]/(fDimZP[0]/2.);
2474 for(int i=1; i<=4; i++){
2475 if(xqZP>=(i-3) && xqZP<(i-2)){
2481 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
2482 AliError(Form(" WRONG tower for det %d: tow %d with xdet=(%f, %f)\n",
2483 vol[0], vol[1], xdet[0], xdet[1]));
2485 //printf("\t *** det %d vol %d xdet(%f, %f)\n",vol[0], vol[1], xdet[0], xdet[1]);
2488 // Store impact point and kinetic energy of the ENTERING particle
2490 if(TVirtualMC::GetMC()->IsTrackEntering()){
2492 TVirtualMC::GetMC()->TrackMomentum(p[0],p[1],p[2],p[3]);
2495 // Impact point on ZDC
2496 // X takes into account the LHC x-axis sign
2497 // which is opposite to positive x on detector front face
2498 // for side A detectors (ZNA and ZPA)
2499 if(vol[0]==4 || vol[0]==5){
2511 Int_t curTrackN = gAlice->GetMCApp()->GetCurrentTrackNumber();
2512 TParticle *part = gAlice->GetMCApp()->Particle(curTrackN);
2513 hits[10] = part->GetPdgCode();
2515 hits[12] = 1.0e09*TVirtualMC::GetMC()->TrackTime(); // in ns!
2516 hits[13] = part->Eta();
2519 Int_t imo = part->GetFirstMother();
2520 //printf(" tracks: pc %d -> mother %d \n", curTrackN,imo);
2523 TParticle *pmot = 0x0;
2524 Bool_t isChild = kFALSE;
2526 pmot = gAlice->GetMCApp()->Particle(imo);
2527 trmo = pmot->GetFirstMother();
2530 pmot = gAlice->GetMCApp()->Particle(trmo);
2531 //printf(" **** pc %d -> mother %d \n", trch,trmo);
2532 trmo = pmot->GetFirstMother();
2536 if(isChild && pmot){
2538 hits[11] = pmot->GetPdgCode();
2539 hits[13] = pmot->Eta();
2544 AddHit(curTrackN, vol, hits);
2549 //printf(" ### Particle in ZNC\n\n");
2553 //printf(" ### Particle in ZPC\n\n");
2555 //else if(vol[0]==3) printf(" ### Particle in ZEM\n\n");
2558 //printf(" ### Particle in ZNA\n\n");
2562 //printf(" ### Particle in ZPA\n\n");
2565 //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",
2566 // gAlice->GetMCApp()->GetCurrentTrackNumber(),x[0],x[1],x[2],p[3],p[2],knamed, vol[0]);
2567 printf("\t Track %d: pc %d E %1.2f GeV pz = %1.2f GeV in volume %s -> det %d\n",
2568 gAlice->GetMCApp()->GetCurrentTrackNumber(),part->GetPdgCode(),p[3],p[2],knamed, vol[0]);
2570 TVirtualMC::GetMC()->StopTrack();
2575 // Particle energy loss
2576 if(TVirtualMC::GetMC()->Edep() != 0){
2577 hits[9] = TVirtualMC::GetMC()->Edep();
2580 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2585 // *** Light production in fibres
2586 if((mid == fMedSensF1) || (mid == fMedSensF2)){
2588 //Select charged particles
2589 if((destep=TVirtualMC::GetMC()->Edep())){
2591 // Particle velocity
2593 TVirtualMC::GetMC()->TrackMomentum(p[0],p[1],p[2],p[3]);
2594 Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]);
2595 if(p[3] > 0.00001) beta = ptot/p[3];
2597 if(beta<0.67)return;
2598 else if((beta>=0.67) && (beta<=0.75)) ibeta = 0;
2599 else if((beta>0.75) && (beta<=0.85)) ibeta = 1;
2600 else if((beta>0.85) && (beta<=0.95)) ibeta = 2;
2601 else if(beta>0.95) ibeta = 3;
2603 // Angle between particle trajectory and fibre axis
2604 // 1 -> Momentum directions
2608 TVirtualMC::GetMC()->Gmtod(um,ud,2);
2609 // 2 -> Angle < limit angle
2610 Double_t alfar = TMath::ACos(ud[2]);
2611 Double_t alfa = alfar*kRaddeg;
2612 if(alfa>=110.) return;
2614 ialfa = Int_t(1.+alfa/2.);
2616 // Distance between particle trajectory and fibre axis
2617 TVirtualMC::GetMC()->TrackPosition(s[0],s[1],s[2]);
2618 for(j=0; j<=2; j++){
2621 TVirtualMC::GetMC()->Gmtod(x,xdet,1);
2622 if(TMath::Abs(ud[0])>0.00001){
2623 Float_t dcoeff = ud[1]/ud[0];
2624 be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.));
2627 be = TMath::Abs(ud[0]);
2630 ibe = Int_t(be*1000.+1);
2632 //Looking into the light tables
2633 Float_t charge = 0.;
2634 Int_t curTrackN = gAlice->GetMCApp()->GetCurrentTrackNumber();
2635 TParticle *part = gAlice->GetMCApp()->Particle(curTrackN);
2636 Int_t pdgCode = part->GetPdgCode();
2637 if(pdgCode<10000) charge = TVirtualMC::GetMC()->TrackCharge();
2639 float z = (pdgCode/10000-100000);
2640 charge = TMath::Abs(z);
2641 //printf(" PDG %d charge %f\n",pdgCode,charge);
2644 if(vol[0]==1 || vol[0]==4) { // (1) ZN fibres
2645 if(ibe>fNben) ibe=fNben;
2646 out = charge*charge*fTablen[ibeta][ialfa][ibe];
2647 nphe = gRandom->Poisson(out);
2649 //if(ibeta==3) printf("\t %f \t %f \t %f\n",alfa, be, out);
2650 //printf("\t ibeta = %d, ialfa = %d, ibe = %d -> nphe = %d\n\n",ibeta,ialfa,ibe,nphe);
2651 if(mid == fMedSensF1){
2652 hits[7] = nphe; //fLightPMQ
2655 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2659 hits[8] = nphe; //fLightPMC
2661 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2664 else if(vol[0]==2 || vol[0]==5) {// (2) ZP fibres
2665 if(ibe>fNbep) ibe=fNbep;
2666 out = charge*charge*fTablep[ibeta][ialfa][ibe];
2667 nphe = gRandom->Poisson(out);
2668 if(mid == fMedSensF1){
2669 hits[7] = nphe; //fLightPMQ
2672 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2676 hits[8] = nphe; //fLightPMC
2678 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2681 else if(vol[0]==3) { // (3) ZEM fibres
2682 if(ibe>fNbep) ibe=fNbep;
2683 out = charge*charge*fTablep[ibeta][ialfa][ibe];
2684 TVirtualMC::GetMC()->TrackPosition(s[0],s[1],s[2]);
2689 // z-coordinate from ZEM front face
2690 // NB-> fPosZEM[2]+fZEMLength = -1000.+2*10.3 = 979.69 cm
2691 Float_t z = -xalic[2]+fPosZEM[2]+2*fZEMLength-xalic[1];
2692 //z = xalic[2]-fPosZEM[2]-fZEMLength-xalic[1]*(TMath::Tan(45.*kDegrad));
2693 //printf(" fPosZEM[2]+2*fZEMLength = %f", fPosZEM[2]+2*fZEMLength);
2695 // Parametrization for light guide uniformity
2696 // NEW!!! Light guide tilted @ 51 degrees
2697 Float_t guiPar[4]={0.31,-0.0006305,0.01337,0.8895};
2698 Float_t guiEff = guiPar[0]*(guiPar[1]*z*z+guiPar[2]*z+guiPar[3]);
2700 nphe = gRandom->Poisson(out);
2701 //printf(" out*guiEff = %f nphe = %d", out, nphe);
2704 hits[8] = nphe; //fLightPMC (ZEM1)
2706 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2709 hits[7] = nphe; //fLightPMQ (ZEM2)
2712 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);