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 // AliZDCv5 --- 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 AliZDCv5::AliZDCv5() :
87 fVCollSideCAperture(7./2.),
88 fVCollSideCApertureNeg(7./2.),
89 fVCollSideCCentreY(0.),
90 fTCDDAperturePos(2.0),
91 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 AliZDCv5::AliZDCv5(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),
143 fTDIConfiguration(2),
147 // Standard constructor for Zero Degree Calorimeter
150 // Check that DIPO, ABSO, DIPO and SHIL is there (otherwise tracking is wrong!!!)
152 AliModule* pipe=gAlice->GetModule("PIPE");
153 AliModule* abso=gAlice->GetModule("ABSO");
154 AliModule* dipo=gAlice->GetModule("DIPO");
155 AliModule* shil=gAlice->GetModule("SHIL");
156 if((!pipe) || (!abso) || (!dipo) || (!shil)) {
157 Error("Constructor","ZDC needs PIPE, ABSO, DIPO and SHIL!!!\n");
162 for(ip=0; ip<4; ip++){
163 for(kp=0; kp<fNalfap; kp++){
164 for(jp=0; jp<fNbep; jp++){
165 fTablep[ip][kp][jp] = 0;
170 for(in=0; in<4; in++){
171 for(kn=0; kn<fNalfan; kn++){
172 for(jn=0; jn<fNben; jn++){
173 fTablen[in][kn][jn] = 0;
178 // Parameters for hadronic calorimeters geometry
179 // Positions updated after post-installation measurements
188 fPosZNC[2] = -11397.3+136;
191 fPosZPC[2] = -11389.3+136;
194 fPosZNA[2] = 11395.8-136;
197 fPosZPA[2] = 11387.8-136;
204 // Parameters for EM calorimeter geometry
208 Float_t kDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
209 Float_t kDimZEMAir = 0.001; // scotch
210 Float_t kFibRadZEM = 0.0315; // External fiber radius (including cladding)
211 Int_t kDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
212 Float_t kDimZEM0 = 2*kDivZEM[2]*(kDimZEMPb+kDimZEMAir+kFibRadZEM*(TMath::Sqrt(2.)));
213 fZEMLength = kDimZEM0;
217 //_____________________________________________________________________________
218 void AliZDCv5::CreateGeometry()
221 // Create the geometry for the Zero Degree Calorimeter version 2
222 //* Initialize COMMON block ZDC_CGEOM
229 //_____________________________________________________________________________
230 void AliZDCv5::CreateBeamLine()
233 // Create the beam line elements
235 if(fOnlyZEM) printf("\n Only ZEM configuration requested: no side-C beam pipe, no side-A hadronic ZDCs\n\n");
237 Double_t zd1=0., zd2=0., zCorrDip=0., zInnTrip=0., zD1=0.;
238 Double_t tubpar[3]={0.,0.,0}, boxpar[3]={0.,0.,0};
239 Double_t tubspar[5]={0.,0.,0.,0.,0.};
241 for(int i=0; i<15; i++) conpar[i]=0.;
243 //-- rotation matrices for the legs
244 Int_t irotpipe1, irotpipe2;
245 TVirtualMC::GetMC()->Matrix(irotpipe1,90.-1.0027,0.,90.,90.,1.0027,180.);
246 TVirtualMC::GetMC()->Matrix(irotpipe2,90.+1.0027,0.,90.,90.,1.0027,0.);
248 Int_t *idtmed = fIdtmed->GetArray();
249 Double_t dx=0., dy=0., dz=0.;
250 Double_t thx=0., thy=0., thz=0.;
251 Double_t phx=0., phy=0., phz=0.;
253 TGeoMedium *medZDCFe = gGeoManager->GetMedium("ZDC_ZIRONT");
254 TGeoMedium *medZDCvoid = gGeoManager->GetMedium("ZDC_ZVOID");
256 ////////////////////////////////////////////////////////////////
258 // SIDE C - RB26 (dimuon side) //
260 ////////////////////////////////////////////////////////////////
263 // -- Mother of the ZDCs (Vacuum PCON)
266 // const Double_t kZComDip = -1972.5;
267 const Double_t kZComDip = -1974.0;
270 conpar[ 2] = 4.; // Num radius specifications: 4
271 conpar[ 3] = -13500.; // (1) end of mother vol
274 conpar[ 6] = kZComDip; // (2) Beginning of Compensator Dipole
277 conpar[ 9] = kZComDip; // (3) Reducing radii of ZDCC to beam pipe radius
280 conpar[12] = -zd1; // (4) Beginning of ZDCC mother volume
281 // conpar[12] = -1947.2; // (4) Beginning of ZDCC mother volume
284 TVirtualMC::GetMC()->Gsvolu("ZDCC", "PCON", idtmed[10], conpar, 15);
285 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(" AliZDCv5 -> 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(" AliZDCv5 -> 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] = 810.0/2.;
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] = 810.0/2.;
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 //---------------- INSERT TDI INSIDE Q13T -----------------------------------
1072 // *** First jaw - first section: Cu (53.3% of 1st jaw length)
1073 // First section of 1st jaw begins 50 cm after vacuum chamber begin NB-> w.r.t Q13T center!!!
1074 Float_t zjaw11 = -tubpar[2]+50.;
1075 // 1st section is displaced in x axis by offset
1076 Double_t offset = 0.2;
1077 boxpar[0] = 11.0/2.;
1079 boxpar[2] = 92.0/2.;
1080 TVirtualMC::GetMC()->Gsvolu("QTDCU1", "BOX ", idtmed[6], boxpar, 3);
1081 TVirtualMC::GetMC()->Gspos("QTDCU1", 1, "Q13TM", -3.8-offset, boxpar[1]+fTDIAperturePos, zjaw11+boxpar[2], 0, "ONLY");
1083 TVirtualMC::GetMC()->Gsvolu("QTDCU2", "BOX ", idtmed[6], boxpar, 3);
1084 TVirtualMC::GetMC()->Gspos("QTDCU2", 1, "Q13TM", -3.8-offset, -boxpar[1]-fTDIApertureNeg, zjaw11+boxpar[2], 0, "ONLY");
1086 printf(" TDI 1st TDI jaw/1st section (Cu): %f < z < %f cm\n", zjaw11, zjaw11+2.*boxpar[2]);
1088 // *** First jaw - second section: Al (46.2% of 1st jaw length)
1089 // 2nd section of 1st jaw begins at the end of 1st section
1090 Float_t zjaw12 = zjaw11+2*boxpar[2];
1091 boxpar[0] = 11.0/2.;
1093 boxpar[2] = 78.0/2.;
1094 TVirtualMC::GetMC()->Gsvolu("QTDAL1", "BOX ", idtmed[14], boxpar, 3);
1095 TVirtualMC::GetMC()->Gspos("QTDAL1", 1, "Q13TM", -4., boxpar[1]+fTDIAperturePos, zjaw12+boxpar[2], 0, "ONLY");
1097 TVirtualMC::GetMC()->Gsvolu("QTDAL2", "BOX ", idtmed[14], boxpar, 3);
1098 TVirtualMC::GetMC()->Gspos("QTDAL2", 1, "Q13TM", -4., -boxpar[1]-fTDIApertureNeg, zjaw12+boxpar[2], 0, "ONLY");
1100 printf(" TDI 1st TDI jaw/2nd section (Al): %f < z < %f cm\n", zjaw12, zjaw12+2.*boxpar[2]);
1103 Float_t zjaw2 = zjaw12+2.*boxpar[2]+100.; // 2nd jaw begins 1 m after end of 1st jaw
1104 boxpar[0] = 11.0/2.;
1106 boxpar[2] = 170.0/2.;
1107 TVirtualMC::GetMC()->Gsvolu("QTDG1", "BOX ", idtmed[15], boxpar, 3);
1108 TVirtualMC::GetMC()->Gspos("QTDG1", 1, "Q13TM", -3.8, boxpar[1]+fTDIAperturePos, zjaw2+boxpar[2], 0, "ONLY");
1110 TVirtualMC::GetMC()->Gsvolu("QTDG2", "BOX ", idtmed[15], boxpar, 3);
1111 TVirtualMC::GetMC()->Gspos("QTDG2", 1, "Q13TM", -3.8, -boxpar[1]-fTDIApertureNeg, zjaw2+boxpar[2], 0, "ONLY");
1113 printf(" TDI 2nd jaw (graphite): %f < z < %f\n", zjaw2, zjaw2+2*boxpar[2]);
1116 Float_t zjaw3 = zjaw2+2.*boxpar[2]+100.; // 3rd jaw begins 1 m after end of 2nd jaw
1117 boxpar[0] = 11.0/2.;
1119 boxpar[2] = 170.0/2.;
1120 TVirtualMC::GetMC()->Gsvolu("QTDG3", "BOX ", idtmed[15], boxpar, 3);
1121 TVirtualMC::GetMC()->Gspos("QTDG3", 1, "Q13TM", -3.8, boxpar[1]+fTDIAperturePos, zjaw3+boxpar[2], 0, "ONLY");
1123 TVirtualMC::GetMC()->Gsvolu("QTDG4", "BOX ", idtmed[15], boxpar, 3);
1124 TVirtualMC::GetMC()->Gspos("QTDG4", 1, "Q13TM", -3.8, -boxpar[1]-fTDIApertureNeg, zjaw3+boxpar[2], 0, "ONLY");
1126 printf(" TDI 3rd jaw (graphite): %f < z < %f\n", zjaw3, zjaw3+2*boxpar[2]);
1128 printf(" AliZDCv5 -> TDI apertures +%1.2f/-%1.2f cm\n", fTDIAperturePos, fTDIApertureNeg);
1129 printf("\t AliZDCv5 -> Initializing TDI configuration %d\n\n",fTDIConfiguration);
1131 if(fTDIConfiguration==0){ // ~3.3 murad at TDI end aperture = (5.5+6) cm = 11.5 cm
1132 // -> Only tubs (elliptic screens) definitions
1133 // 1st jaw / 1st section
1136 tubspar[2] = 92.0/2.;
1139 TVirtualMC::GetMC()->Gsvolu("QTD4", "TUBS", idtmed[6], tubspar, 5);
1140 TVirtualMC::GetMC()->Gspos("QTD4", 1, "Q13TM", -3.8-offset-5.5, 0., zjaw11+tubspar[2], 0, "ONLY");
1144 tubspar[2] = 92.0/2.;
1147 TVirtualMC::GetMC()->Gsvolu("QTD5", "TUBS", idtmed[6], tubspar, 5);
1148 TVirtualMC::GetMC()->Gspos("QTD5", 1, "Q13TM", -3.8-offset+5.5, 0., zjaw11+tubspar[2], 0, "ONLY");
1149 // 1st jaw / 2nd section
1152 tubspar[2] = 78.0/2.;
1155 TVirtualMC::GetMC()->Gsvolu("QTD6", "TUBS", idtmed[6], tubspar, 5);
1156 TVirtualMC::GetMC()->Gspos("QTD6", 1, "Q13TM", -3.8-offset-5.5, 0., zjaw12+tubspar[2], 0, "ONLY");
1157 tubspar[0] = 12.0/2.;
1158 tubspar[1] = 12.4/2.;
1159 tubspar[2] = 78.0/2.;
1162 TVirtualMC::GetMC()->Gsvolu("QTD7", "TUBS", idtmed[6], tubspar, 5);
1163 TVirtualMC::GetMC()->Gspos("QTD7", 1, "Q13TM", -3.8-offset+5.5, 0., zjaw12+tubspar[2], 0, "ONLY");
1168 tubspar[2] = 170.0/2.;
1171 TVirtualMC::GetMC()->Gsvolu("QTD8", "TUBS", idtmed[6], tubspar, 5);
1172 TVirtualMC::GetMC()->Gspos("QTD8", 1, "Q13TM", -3.8-5.5, 0., zjaw2+tubspar[2], 0, "ONLY");
1173 tubspar[0] = 12.0/2.;
1174 tubspar[1] = 12.4/2.;
1175 tubspar[2] = 170.0/2.;
1178 TVirtualMC::GetMC()->Gsvolu("QTD9", "TUBS", idtmed[6], tubspar, 5);
1179 TVirtualMC::GetMC()->Gspos("QTD9", 1, "Q13TM", -3.8+5.5, 0., zjaw2+tubspar[2], 0, "ONLY");
1184 tubspar[2] = 170.0/2.;
1187 TVirtualMC::GetMC()->Gsvolu("QTD10", "TUBS", idtmed[6], tubspar, 5);
1188 TVirtualMC::GetMC()->Gspos("QTD10", 1, "Q13TM", -3.8-5.5, 0., zjaw3+tubspar[2], 0, "ONLY");
1189 tubspar[0] = 12.0/2.;
1190 tubspar[1] = 12.4/2.;
1191 tubspar[2] = 170.0/2.;
1194 TVirtualMC::GetMC()->Gsvolu("QTD11", "TUBS", idtmed[6], tubspar, 5);
1195 TVirtualMC::GetMC()->Gspos("QTD11", 1, "Q13TM", -3.8+5.5, 0., zjaw3+tubspar[2], 0, "ONLY");
1197 else if(fTDIConfiguration==1){ // ~4.4 murad at TDI end aperture = (5.5+8.5) cm = 14 cm
1198 // -> ~elliptic screen definitions + horizontal plates (2.5 cm)
1199 // 1st jaw / 1st section
1202 boxpar[2] = 92.0/2.;
1203 TVirtualMC::GetMC()->Gsvolu("QTDS11", "BOX ", idtmed[6], boxpar, 3);
1204 TVirtualMC::GetMC()->Gspos("QTDS11", 1, "Q13TM", -3.8-offset+5.5+boxpar[0], fTDIAperturePos, zjaw11+boxpar[2], 0, "ONLY");
1205 TVirtualMC::GetMC()->Gspos("QTDS11", 1, "Q13TM", -3.8-offset+5.5+boxpar[0], -fTDIApertureNeg, zjaw11+boxpar[2], 0, "ONLY");
1206 TVirtualMC::GetMC()->Gspos("QTDS11", 1, "Q13TM", -3.8-offset-5.5-boxpar[0], fTDIAperturePos, zjaw11+boxpar[2], 0, "ONLY");
1207 TVirtualMC::GetMC()->Gspos("QTDS11", 1, "Q13TM", -3.8-offset-5.5-boxpar[0], -fTDIApertureNeg, zjaw11+boxpar[2], 0, "ONLY");
1211 tubspar[2] = 92.0/2.;
1214 TVirtualMC::GetMC()->Gsvolu("QTD4", "TUBS", idtmed[6], tubspar, 5);
1215 TVirtualMC::GetMC()->Gspos("QTD4", 1, "Q13TM", -3.8-offset-(5.5+2.5), 0., zjaw11+boxpar[2], 0, "ONLY");
1219 tubspar[2] = 92.0/2.;
1222 TVirtualMC::GetMC()->Gsvolu("QTD5", "TUBS", idtmed[6], tubspar, 5);
1223 TVirtualMC::GetMC()->Gspos("QTD5", 1, "Q13TM", -3.8-offset+(5.5+2.5), 0., zjaw11+boxpar[2], 0, "ONLY");
1224 // 1st jaw / 2nd section
1225 boxpar[2] = 78.0/2.;
1226 TVirtualMC::GetMC()->Gsvolu("QTDS12", "BOX ", idtmed[6], boxpar, 3);
1227 TVirtualMC::GetMC()->Gspos("QTDS12", 1, "Q13TM", -3.8-offset+5.5+boxpar[0], fTDIAperturePos, zjaw12+boxpar[2], 0, "ONLY");
1228 TVirtualMC::GetMC()->Gspos("QTDS12", 1, "Q13TM", -3.8-offset+5.5+boxpar[0], -fTDIApertureNeg, zjaw12+boxpar[2], 0, "ONLY");
1229 TVirtualMC::GetMC()->Gspos("QTDS12", 1, "Q13TM", -3.8-offset-5.5-boxpar[0], fTDIAperturePos, zjaw12+boxpar[2], 0, "ONLY");
1230 TVirtualMC::GetMC()->Gspos("QTDS12", 1, "Q13TM", -3.8-offset-5.5-boxpar[0], -fTDIApertureNeg, zjaw12+boxpar[2], 0, "ONLY");
1234 tubspar[2] = 78.0/2.;
1237 TVirtualMC::GetMC()->Gsvolu("QTD6", "TUBS", idtmed[6], tubspar, 5);
1238 TVirtualMC::GetMC()->Gspos("QTD6", 1, "Q13TM", -3.8-offset-(5.5+2.5), 0., zjaw12+boxpar[2], 0, "ONLY");
1239 tubspar[0] = 12.0/2.;
1240 tubspar[1] = 12.4/2.;
1241 tubspar[2] = 78.0/2.;
1244 TVirtualMC::GetMC()->Gsvolu("QTD7", "TUBS", idtmed[6], tubspar, 5);
1245 TVirtualMC::GetMC()->Gspos("QTD7", 1, "Q13TM", -3.8-offset+(5.5+2.5), 0., zjaw12+boxpar[2], 0, "ONLY");
1248 boxpar[2] = 170.0/2.;
1249 TVirtualMC::GetMC()->Gsvolu("QTDS2", "BOX ", idtmed[6], boxpar, 3);
1250 TVirtualMC::GetMC()->Gspos("QTDS2", 1, "Q13TM", -3.8+5.5+boxpar[0], fTDIAperturePos, zjaw2+boxpar[2], 0, "ONLY");
1251 TVirtualMC::GetMC()->Gspos("QTDS2", 1, "Q13TM", -3.8+5.5+boxpar[0], -fTDIApertureNeg, zjaw2+boxpar[2], 0, "ONLY");
1252 TVirtualMC::GetMC()->Gspos("QTDS2", 1, "Q13TM", -3.8-5.5-boxpar[0], fTDIAperturePos, zjaw2+boxpar[2], 0, "ONLY");
1253 TVirtualMC::GetMC()->Gspos("QTDS2", 1, "Q13TM", -3.8-5.5-boxpar[0], -fTDIApertureNeg, zjaw2+boxpar[2], 0, "ONLY");
1257 tubspar[2] = 170.0/2.;
1260 TVirtualMC::GetMC()->Gsvolu("QTD8", "TUBS", idtmed[6], tubspar, 5);
1261 TVirtualMC::GetMC()->Gspos("QTD8", 1, "Q13TM", -3.8-(5.5+2.5), 0., zjaw2+boxpar[2], 0, "ONLY");
1262 tubspar[0] = 12.0/2.;
1263 tubspar[1] = 12.4/2.;
1264 tubspar[2] = 170.0/2.;
1267 TVirtualMC::GetMC()->Gsvolu("QTD9", "TUBS", idtmed[6], tubspar, 5);
1268 TVirtualMC::GetMC()->Gspos("QTD9", 1, "Q13TM", -3.8+(5.5+2.5), 0., zjaw2+boxpar[2], 0, "ONLY");
1271 TVirtualMC::GetMC()->Gsvolu("QTDS3", "BOX ", idtmed[6], boxpar, 3);
1272 TVirtualMC::GetMC()->Gspos("QTDS3", 1, "Q13TM", -3.8+5.5+boxpar[0], fTDIAperturePos, zjaw3+boxpar[2], 0, "ONLY");
1273 TVirtualMC::GetMC()->Gspos("QTDS3", 1, "Q13TM", -3.8+5.5+boxpar[0], -fTDIApertureNeg, zjaw3+boxpar[2], 0, "ONLY");
1274 TVirtualMC::GetMC()->Gspos("QTDS2", 1, "Q13TM", -3.8-5.5-boxpar[0], fTDIAperturePos, zjaw3+boxpar[2], 0, "ONLY");
1275 TVirtualMC::GetMC()->Gspos("QTDS2", 1, "Q13TM", -3.8-5.5-boxpar[0], -fTDIApertureNeg, zjaw3+boxpar[2], 0, "ONLY");
1279 tubspar[2] = 170.0/2.;
1282 TVirtualMC::GetMC()->Gsvolu("QTD10", "TUBS", idtmed[6], tubspar, 5);
1283 TVirtualMC::GetMC()->Gspos("QTD10", 1, "Q13TM", -3.8-(5.5+2.5), 0., zjaw3+boxpar[2], 0, "ONLY");
1284 tubspar[0] = 12.0/2.;
1285 tubspar[1] = 12.4/2.;
1286 tubspar[2] = 170.0/2.;
1289 TVirtualMC::GetMC()->Gsvolu("QTD11", "TUBS", idtmed[6], tubspar, 5);
1290 TVirtualMC::GetMC()->Gspos("QTD11", 1, "Q13TM", -3.8+(5.5+2.5), 0., zjaw3+boxpar[2], 0, "ONLY");
1292 else if (fTDIConfiguration==2){ // 5.5 murad at TDI (as for RUN1, only TDI geometry is different!)
1293 // -> ~elliptic screen definitions + horizontal plates (5 cm)
1294 // 1st jaw / 1st section
1297 boxpar[2] = 92.0/2.;
1298 TVirtualMC::GetMC()->Gsvolu("QTDS11", "BOX ", idtmed[6], boxpar, 3);
1299 TVirtualMC::GetMC()->Gspos("QTDS11", 1, "Q13TM", -3.8-offset+5.5+boxpar[0], fTDIAperturePos, zjaw11+boxpar[2], 0, "ONLY");
1300 TVirtualMC::GetMC()->Gspos("QTDS11", 1, "Q13TM", -3.8-offset+5.5+boxpar[0], -fTDIApertureNeg, zjaw11+boxpar[2], 0, "ONLY");
1301 TVirtualMC::GetMC()->Gspos("QTDS11", 1, "Q13TM", -3.8-offset-5.5-boxpar[0], fTDIAperturePos, zjaw11+boxpar[2], 0, "ONLY");
1302 TVirtualMC::GetMC()->Gspos("QTDS11", 1, "Q13TM", -3.8-offset-5.5-boxpar[0], -fTDIApertureNeg, zjaw11+boxpar[2], 0, "ONLY");
1306 tubspar[2] = 92.0/2.;
1309 TVirtualMC::GetMC()->Gsvolu("QTD4", "TUBS", idtmed[6], tubspar, 5);
1310 TVirtualMC::GetMC()->Gspos("QTD4", 1, "Q13TM", -3.8-offset-10.6, 0., zjaw11+boxpar[2], 0, "ONLY");
1314 tubspar[2] = 92.0/2.;
1317 TVirtualMC::GetMC()->Gsvolu("QTD5", "TUBS", idtmed[6], tubspar, 5);
1318 TVirtualMC::GetMC()->Gspos("QTD5", 1, "Q13TM", -3.8-offset+10.6, 0., zjaw11+boxpar[2], 0, "ONLY");
1319 // 1st jaw / 2nd section
1320 boxpar[2] = 78.0/2.;
1321 TVirtualMC::GetMC()->Gsvolu("QTDS12", "BOX ", idtmed[6], boxpar, 3);
1322 TVirtualMC::GetMC()->Gspos("QTDS12", 1, "Q13TM", -3.8-offset+5.5+boxpar[0], fTDIAperturePos, zjaw12+boxpar[2], 0, "ONLY");
1323 TVirtualMC::GetMC()->Gspos("QTDS12", 1, "Q13TM", -3.8-offset+5.5+boxpar[0], -fTDIApertureNeg, zjaw12+boxpar[2], 0, "ONLY");
1324 TVirtualMC::GetMC()->Gspos("QTDS12", 1, "Q13TM", -3.8-offset-5.5-boxpar[0], fTDIAperturePos, zjaw12+boxpar[2], 0, "ONLY");
1325 TVirtualMC::GetMC()->Gspos("QTDS12", 1, "Q13TM", -3.8-offset-5.5-boxpar[0], -fTDIApertureNeg, zjaw12+boxpar[2], 0, "ONLY");
1329 tubspar[2] = 78.0/2.;
1332 TVirtualMC::GetMC()->Gsvolu("QTD6", "TUBS", idtmed[6], tubspar, 5);
1333 TVirtualMC::GetMC()->Gspos("QTD6", 1, "Q13TM", -3.8-offset-10.6, 0., zjaw12+boxpar[2], 0, "ONLY");
1334 tubspar[0] = 12.0/2.;
1335 tubspar[1] = 12.4/2.;
1336 tubspar[2] = 78.0/2.;
1339 TVirtualMC::GetMC()->Gsvolu("QTD7", "TUBS", idtmed[6], tubspar, 5);
1340 TVirtualMC::GetMC()->Gspos("QTD7", 1, "Q13TM", -3.8-offset+10.6, 0., zjaw12+boxpar[2], 0, "ONLY");
1343 boxpar[2] = 170.0/2.;
1344 TVirtualMC::GetMC()->Gsvolu("QTDS2", "BOX ", idtmed[6], boxpar, 3);
1345 TVirtualMC::GetMC()->Gspos("QTDS2", 1, "Q13TM", -3.8+5.5+boxpar[0], fTDIAperturePos, zjaw2+boxpar[2], 0, "ONLY");
1346 TVirtualMC::GetMC()->Gspos("QTDS2", 1, "Q13TM", -3.8+5.5+boxpar[0], -fTDIApertureNeg, zjaw2+boxpar[2], 0, "ONLY");
1347 TVirtualMC::GetMC()->Gspos("QTDS2", 1, "Q13TM", -3.8-5.5-boxpar[0], fTDIAperturePos, zjaw2+boxpar[2], 0, "ONLY");
1348 TVirtualMC::GetMC()->Gspos("QTDS2", 1, "Q13TM", -3.8-5.5-boxpar[0], -fTDIApertureNeg, zjaw2+boxpar[2], 0, "ONLY");
1352 tubspar[2] = 170.0/2.;
1355 TVirtualMC::GetMC()->Gsvolu("QTD8", "TUBS", idtmed[6], tubspar, 5);
1356 TVirtualMC::GetMC()->Gspos("QTD8", 1, "Q13TM", -3.8-10.6, 0., zjaw2+boxpar[2], 0, "ONLY");
1357 tubspar[0] = 12.0/2.;
1358 tubspar[1] = 12.4/2.;
1359 tubspar[2] = 170.0/2.;
1362 TVirtualMC::GetMC()->Gsvolu("QTD9", "TUBS", idtmed[6], tubspar, 5);
1363 TVirtualMC::GetMC()->Gspos("QTD9", 1, "Q13TM", -3.8+10.6, 0., zjaw2+boxpar[2], 0, "ONLY");
1366 TVirtualMC::GetMC()->Gsvolu("QTDS3", "BOX ", idtmed[6], boxpar, 3);
1367 TVirtualMC::GetMC()->Gspos("QTDS3", 1, "Q13TM", -3.8+5.5+boxpar[0], fTDIAperturePos, zjaw3+boxpar[2], 0, "ONLY");
1368 TVirtualMC::GetMC()->Gspos("QTDS3", 1, "Q13TM", -3.8+5.5+boxpar[0], -fTDIApertureNeg, zjaw3+boxpar[2], 0, "ONLY");
1369 TVirtualMC::GetMC()->Gspos("QTDS2", 1, "Q13TM", -3.8-5.5-boxpar[0], fTDIAperturePos, zjaw3+boxpar[2], 0, "ONLY");
1370 TVirtualMC::GetMC()->Gspos("QTDS2", 1, "Q13TM", -3.8-5.5-boxpar[0], -fTDIApertureNeg, zjaw3+boxpar[2], 0, "ONLY");
1374 tubspar[2] = 170.0/2.;
1377 TVirtualMC::GetMC()->Gsvolu("QTD10", "TUBS", idtmed[6], tubspar, 5);
1378 TVirtualMC::GetMC()->Gspos("QTD10", 1, "Q13TM", -3.8-10.6, 0., zjaw3+boxpar[2], 0, "ONLY");
1379 tubspar[0] = 12.0/2.;
1380 tubspar[1] = 12.4/2.;
1381 tubspar[2] = 170.0/2.;
1384 TVirtualMC::GetMC()->Gsvolu("QTD11", "TUBS", idtmed[6], tubspar, 5);
1385 TVirtualMC::GetMC()->Gspos("QTD11", 1, "Q13TM", -3.8+10.6, 0., zjaw3+boxpar[2], 0, "ONLY");
1387 //---------------- END DEFINING TDI INSIDE Q13T -------------------------------
1389 zd2 += 2.*tubpar[2];
1391 // VCTCG skewed transition piece (ID=332 mm to 212.7 mm) (after TDI)
1392 conpar[0] = (50.0-2.92-1.89)/2.;
1393 conpar[1] = 33.2/2.;
1394 conpar[2] = 33.8/2.;
1395 conpar[3] = 21.27/2.;
1396 conpar[4] = 21.87/2.;
1397 TVirtualMC::GetMC()->Gsvolu("QA11", "CONE", idtmed[7], conpar, 5);
1398 TVirtualMC::GetMC()->Gspos("QA11", 1, "ZDCA", 4.32-3.8, 0., conpar[0]+2.92+zd2, irotpipe5, "ONLY");
1400 //printf(" QA11 skewed CONE from z = %f to z =%f (VCTCG)\n",zd2,2*conpar[0]+2.92+1.89+zd2);
1402 zd2 += 2.*conpar[0]+2.92+1.89;
1404 // The following tube ID 212.7 mm
1405 // represents VMBGA (400 mm) + VCDWE (300 mm) + VMBGA (400 mm) +
1406 // BTVTS (600 mm) + VMLGB (400 mm)
1407 tubpar[0] = 21.27/2.;
1408 tubpar[1] = 21.87/2.;
1409 tubpar[2] = 210.0/2.;
1410 TVirtualMC::GetMC()->Gsvolu("QA12", "TUBE", idtmed[7], tubpar, 3);
1411 TVirtualMC::GetMC()->Gspos("QA12", 1, "ZDCA", 4., 0., tubpar[2]+zd2, 0, "ONLY");
1413 //printf(" QA12 TUBE from z = %1.2f to z= %1.2f (VMBGA+VCDWE+VMBGA+BTVTS+VMLGB)\n",zd2,2*tubpar[2]+zd2);
1415 zd2 += 2.*tubpar[2];
1417 // First part of VCTCC
1418 // skewed transition cone from ID=212.7 mm to ID=797 mm
1419 conpar[0] = (121.0-0.37-1.35)/2.;
1420 conpar[1] = 21.27/2.;
1421 conpar[2] = 21.87/2.;
1422 conpar[3] = 79.7/2.;
1423 conpar[4] = 81.3/2.;
1424 TVirtualMC::GetMC()->Gsvolu("QA13", "CONE", idtmed[7], conpar, 5);
1425 TVirtualMC::GetMC()->Gspos("QA13", 1, "ZDCA", 4.-2., 0., conpar[0]+0.37+zd2, irotpipe3, "ONLY");
1427 //printf(" QA13 CONE from z = %1.2f to z = %1.2f (VCTCC-I)\n",zd2,2*conpar[0]+0.37+1.35+zd2);
1429 zd2 += 2.*conpar[0]+0.37+1.35;
1431 // The following tube ID 797 mm
1432 // represents the second part of VCTCC (4272 mm) +
1433 // 4 x VCDGA (4 x 4272 mm) +
1434 // the first part of VCTCR (850 mm)
1435 // updated according to 2012 ZDC installation
1436 // Jan 2015: large vacuum chamber 2.7 m shorter due to longer TDI
1437 tubpar[0] = 79.7/2.;
1438 tubpar[1] = 81.3/2.;
1439 tubpar[2] = (2221.-136.-270.)/2.;
1440 TVirtualMC::GetMC()->Gsvolu("QA14", "TUBE", idtmed[7], tubpar, 3);
1441 TVirtualMC::GetMC()->Gspos("QA14", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1443 //printf(" QA14 TUBE from z = %1.2f to z = %1.2f (VCTCC-II)\n",zd2,2*tubpar[2]+zd2);
1445 zd2 += 2.*tubpar[2];
1447 // Second part of VCTCR
1448 // Transition from ID=797 mm to ID=196 mm:
1449 // in order to simulate the thin window opened in the transition cone
1450 // we divide the transition cone in three cones:
1451 // (1) 8 mm thick (2) 3 mm thick (3) the third 8 mm thick
1454 conpar[0] = 9.09/2.; // 15 degree
1455 conpar[1] = 79.7/2.;
1456 conpar[2] = 81.3/2.; // thickness 8 mm
1457 conpar[3] = 74.82868/2.;
1458 conpar[4] = 76.42868/2.; // thickness 8 mm
1459 TVirtualMC::GetMC()->Gsvolu("QA15", "CONE", idtmed[7], conpar, 5);
1460 TVirtualMC::GetMC()->Gspos("QA15", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1461 //printf(" QA15 CONE from z = %1.2f to z= %1.2f (VCTCR-I)\n",zd2,2*conpar[0]+zd2);
1463 zd2 += 2.*conpar[0];
1466 conpar[0] = 96.2/2.; // 15 degree
1467 conpar[1] = 74.82868/2.;
1468 conpar[2] = 75.42868/2.; // thickness 3 mm
1469 conpar[3] = 23.19588/2.;
1470 conpar[4] = 23.79588/2.; // thickness 3 mm
1471 TVirtualMC::GetMC()->Gsvolu("QA16", "CONE", idtmed[7], conpar, 5);
1472 TVirtualMC::GetMC()->Gspos("QA16", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1473 //printf(" QA16 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1475 zd2 += 2.*conpar[0];
1478 conpar[0] = 6.71/2.; // 15 degree
1479 conpar[1] = 23.19588/2.;
1480 conpar[2] = 24.79588/2.;// thickness 8 mm
1481 conpar[3] = 19.6/2.;
1482 conpar[4] = 21.2/2.;// thickness 8 mm
1483 TVirtualMC::GetMC()->Gsvolu("QA17", "CONE", idtmed[7], conpar, 5);
1484 TVirtualMC::GetMC()->Gspos("QA17", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1485 //printf(" QA17 CONE from z = %1.2f to z= %1.2f (VCTCR-II)\n",zd2,2*conpar[0]+zd2);
1487 zd2 += 2.*conpar[0];
1489 // Third part of VCTCR: tube (ID=196 mm)
1490 tubpar[0] = 19.6/2.;
1491 tubpar[1] = 21.2/2.;
1492 tubpar[2] = 9.55/2.;
1493 TVirtualMC::GetMC()->Gsvolu("QA18", "TUBE", idtmed[7], tubpar, 3);
1494 TVirtualMC::GetMC()->Gspos("QA18", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1496 //printf(" QA18 TUBE from z = %1.2f to z= %1.2f (VCTCR-III)\n",zd2,2*tubpar[2]+zd2);
1498 zd2 += 2.*tubpar[2];
1500 // Flange (ID=196 mm) (last part of VCTCR and first part of VMZAR)
1501 tubpar[0] = 19.6/2.;
1502 tubpar[1] = 25.3/2.;
1504 TVirtualMC::GetMC()->Gsvolu("QF01", "TUBE", idtmed[7], tubpar, 3);
1505 TVirtualMC::GetMC()->Gspos("QF01", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1507 //printf(" QF01 TUBE from z = %1.2f to z= %1.2f (VMZAR-I)\n",zd2,2*tubpar[2]+zd2);
1509 zd2 += 2.*tubpar[2];
1511 // VMZAR (5 volumes)
1512 tubpar[0] = 20.2/2.;
1513 tubpar[1] = 20.6/2.;
1514 tubpar[2] = 2.15/2.;
1515 TVirtualMC::GetMC()->Gsvolu("QA19", "TUBE", idtmed[7], tubpar, 3);
1516 TVirtualMC::GetMC()->Gspos("QA19", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1518 //printf(" QA19 TUBE from z = %1.2f to z = %1.2f (VMZAR-II)\n",zd2,2*tubpar[2]+zd2);
1520 zd2 += 2.*tubpar[2];
1523 conpar[1] = 20.2/2.;
1524 conpar[2] = 20.6/2.;
1525 conpar[3] = 23.9/2.;
1526 conpar[4] = 24.3/2.;
1527 TVirtualMC::GetMC()->Gsvolu("QA20", "CONE", idtmed[7], conpar, 5);
1528 TVirtualMC::GetMC()->Gspos("QA20", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1530 //printf(" QA20 CONE from z = %1.2f to z = %1.2f (VMZAR-III)\n",zd2,2*conpar[0]+zd2);
1532 zd2 += 2.*conpar[0];
1534 tubpar[0] = 23.9/2.;
1535 tubpar[1] = 25.5/2.;
1536 tubpar[2] = 17.0/2.;
1537 TVirtualMC::GetMC()->Gsvolu("QA21", "TUBE", idtmed[7], tubpar, 3);
1538 TVirtualMC::GetMC()->Gspos("QA21", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1540 //printf(" QA21 TUBE from z = %1.2f to z = %1.2f (VMZAR-IV)\n",zd2,2*tubpar[2]+zd2);
1542 zd2 += 2.*tubpar[2];
1545 conpar[1] = 23.9/2.;
1546 conpar[2] = 24.3/2.;
1547 conpar[3] = 20.2/2.;
1548 conpar[4] = 20.6/2.;
1549 TVirtualMC::GetMC()->Gsvolu("QA22", "CONE", idtmed[7], conpar, 5);
1550 TVirtualMC::GetMC()->Gspos("QA22", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1552 //printf(" QA22 CONE from z = %1.2f to z = %1.2f (VMZAR-V)\n",zd2,2*conpar[0]+zd2);
1554 zd2 += 2.*conpar[0];
1556 tubpar[0] = 20.2/2.;
1557 tubpar[1] = 20.6/2.;
1558 tubpar[2] = 2.15/2.;
1559 TVirtualMC::GetMC()->Gsvolu("QA23", "TUBE", idtmed[7], tubpar, 3);
1560 TVirtualMC::GetMC()->Gspos("QA23", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1562 //printf(" QA23 TUBE from z = %1.2f to z= %1.2f (VMZAR-VI)\n",zd2,2*tubpar[2]+zd2);
1564 zd2 += 2.*tubpar[2];
1566 // Flange (ID=196 mm)(last part of VMZAR and first part of VCTYD)
1567 tubpar[0] = 19.6/2.;
1568 tubpar[1] = 25.3/2.;
1570 TVirtualMC::GetMC()->Gsvolu("QF02", "TUBE", idtmed[7], tubpar, 3);
1571 TVirtualMC::GetMC()->Gspos("QF02", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1573 //printf(" QF02 TUBE from z = %1.2f to z= %1.2f (VMZAR-VII)\n",zd2,2*tubpar[2]+zd2);
1575 zd2 += 2.*tubpar[2];
1577 // simulation of the trousers (VCTYB)
1578 tubpar[0] = 19.6/2.;
1579 tubpar[1] = 20.0/2.;
1581 TVirtualMC::GetMC()->Gsvolu("QA24", "TUBE", idtmed[7], tubpar, 3);
1582 TVirtualMC::GetMC()->Gspos("QA24", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1584 //printf(" QA24 TUBE from z = %1.2f to z= %1.2f (VCTYB)\n",zd2,2*tubpar[2]+zd2);
1586 zd2 += 2.*tubpar[2];
1588 // transition cone from ID=196. to ID=216.6
1589 conpar[0] = 32.55/2.;
1590 conpar[1] = 19.6/2.;
1591 conpar[2] = 20.0/2.;
1592 conpar[3] = 21.66/2.;
1593 conpar[4] = 22.06/2.;
1594 TVirtualMC::GetMC()->Gsvolu("QA25", "CONE", idtmed[7], conpar, 5);
1595 TVirtualMC::GetMC()->Gspos("QA25", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1597 //printf(" QA25 CONE from z = %1.2f to z= %1.2f (transition cone)\n",zd2,2*conpar[0]+zd2);
1599 zd2 += 2.*conpar[0];
1602 tubpar[0] = 21.66/2.;
1603 tubpar[1] = 22.06/2.;
1604 tubpar[2] = 28.6/2.;
1605 TVirtualMC::GetMC()->Gsvolu("QA26", "TUBE", idtmed[7], tubpar, 3);
1606 TVirtualMC::GetMC()->Gspos("QA26", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1608 //printf(" QA26 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1610 zd2 += 2.*tubpar[2];
1612 //printf(" Begin of recombination chamber z = %1.2f\n",zd2);
1614 // --------------------------------------------------------
1615 // RECOMBINATION CHAMBER IMPLEMENTED USING TGeo CLASSES!!!!
1616 // author: Chiara (June 2008)
1617 // --------------------------------------------------------
1618 // TRANSFORMATION MATRICES
1619 // Combi transformation:
1624 thx = 84.989100; phx = 0.000000;
1625 thy = 90.000000; phy = 90.000000;
1626 thz = 5.010900; phz = 180.000000;
1627 TGeoRotation *rotMatrix1 = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
1628 // Combi transformation:
1632 TGeoCombiTrans *rotMatrix2 = new TGeoCombiTrans("ZDC_c1", dx,dy,dz,rotMatrix1);
1633 rotMatrix2->RegisterYourself();
1634 // Combi transformation:
1639 thx = 95.010900; phx = 0.000000;
1640 thy = 90.000000; phy = 90.000000;
1641 thz = 5.010900; phz = 0.000000;
1642 TGeoRotation *rotMatrix3 = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
1643 TGeoCombiTrans *rotMatrix4 = new TGeoCombiTrans("ZDC_c2", dx,dy,dz,rotMatrix3);
1644 rotMatrix4->RegisterYourself();
1647 // VOLUMES DEFINITION
1649 TGeoVolume *pZDCA = gGeoManager->GetVolume("ZDCA");
1651 conpar[0] = (90.1-0.95-0.26)/2.;
1653 conpar[2] = 21.6/2.;
1656 new TGeoCone("QALext", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
1658 conpar[0] = (90.1-0.95-0.26)/2.;
1660 conpar[2] = 21.2/2.;
1663 new TGeoCone("QALint", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
1666 TGeoCompositeShape *pOutTrousers = new TGeoCompositeShape("outTrousers", "QALext:ZDC_c1+QALext:ZDC_c2");
1669 //TGeoMedium *medZDCFe = gGeoManager->GetMedium("ZDC_ZIRON");
1670 TGeoVolume *pQALext = new TGeoVolume("QALext",pOutTrousers, medZDCFe);
1671 pQALext->SetLineColor(kBlue);
1672 pQALext->SetVisLeaves(kTRUE);
1674 TGeoTranslation *tr1 = new TGeoTranslation(0., 0., (Double_t) conpar[0]+0.95+zd2);
1675 pZDCA->AddNode(pQALext, 1, tr1);
1677 TGeoCompositeShape *pIntTrousers = new TGeoCompositeShape("intTrousers", "QALint:ZDC_c1+QALint:ZDC_c2");
1679 //TGeoMedium *medZDCvoid = gGeoManager->GetMedium("ZDC_ZVOID");
1680 TGeoVolume *pQALint = new TGeoVolume("QALint",pIntTrousers, medZDCvoid);
1681 pQALint->SetLineColor(kAzure);
1682 pQALint->SetVisLeaves(kTRUE);
1683 pQALext->AddNode(pQALint, 1);
1687 //printf(" End of recombination chamber z = %1.2f\n",zd2);
1690 // second section : 2 tubes (ID = 54. OD = 58.)
1693 tubpar[2] = 40.0/2.;
1694 TVirtualMC::GetMC()->Gsvolu("QA27", "TUBE", idtmed[7], tubpar, 3);
1695 TVirtualMC::GetMC()->Gspos("QA27", 1, "ZDCA", -15.8/2., 0., tubpar[2]+zd2, 0, "ONLY");
1696 TVirtualMC::GetMC()->Gspos("QA27", 2, "ZDCA", 15.8/2., 0., tubpar[2]+zd2, 0, "ONLY");
1698 //printf(" QA27 TUBE from z = %1.2f to z= %1.2f (separate pipes)\n",zd2,2*tubpar[2]+zd2);
1700 zd2 += 2.*tubpar[2];
1702 // transition x2zdc to recombination chamber : skewed cone
1703 conpar[0] = (10.-1.)/2.;
1708 TVirtualMC::GetMC()->Gsvolu("QA28", "CONE", idtmed[7], conpar, 5);
1709 TVirtualMC::GetMC()->Gspos("QA28", 1, "ZDCA", -7.9-0.175, 0., conpar[0]+0.5+zd2, irotpipe1, "ONLY");
1710 TVirtualMC::GetMC()->Gspos("QA28", 2, "ZDCA", 7.9+0.175, 0., conpar[0]+0.5+zd2, irotpipe2, "ONLY");
1711 //printf(" QA28 CONE from z = %1.2f to z= %1.2f (transition X2ZDC)\n",zd2,2*conpar[0]+0.2+zd2);
1713 zd2 += 2.*conpar[0]+1.;
1715 // 2 tubes (ID = 63 mm OD=70 mm)
1718 tubpar[2] = (342.5+498.3)/2.;
1719 TVirtualMC::GetMC()->Gsvolu("QA29", "TUBE", idtmed[7], tubpar, 3);
1720 TVirtualMC::GetMC()->Gspos("QA29", 1, "ZDCA", -16.5/2., 0., tubpar[2]+zd2, 0, "ONLY");
1721 TVirtualMC::GetMC()->Gspos("QA29", 2, "ZDCA", 16.5/2., 0., tubpar[2]+zd2, 0, "ONLY");
1722 //printf(" QA29 TUBE from z = %1.2f to z= %1.2f (separate pipes)\n",zd2,2*tubpar[2]+zd2);
1724 zd2 += 2.*tubpar[2];
1726 // -- Luminometer (Cu box) in front of ZN - side A
1730 boxpar[2] = fLumiLength/2.;
1731 TVirtualMC::GetMC()->Gsvolu("QLUA", "BOX ", idtmed[9], boxpar, 3);
1732 TVirtualMC::GetMC()->Gspos("QLUA", 1, "ZDCA", 0., 0., fPosZNA[2]-66.-boxpar[2], 0, "ONLY");
1733 printf(" A SIDE LUMINOMETER %1.2f < z < %1.2f\n\n", fPosZNA[2]-66., fPosZNA[2]-66.-2*boxpar[2]);
1735 printf(" END OF A SIDE BEAM PIPE VOLUME DEFINITION AT z = %f m from IP2\n",zd2/100.);
1738 // ----------------------------------------------------------------
1739 // -- MAGNET DEFINITION -> LHC OPTICS 6.5
1740 // ----------------------------------------------------------------
1741 // ***************************************************************
1742 // SIDE C - RB26 (dimuon side)
1743 // ***************************************************************
1744 // -- COMPENSATOR DIPOLE (MBXW)
1747 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1750 tubpar[2] = 153./2.;
1751 TVirtualMC::GetMC()->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3);
1756 tubpar[2] = 153./2.;
1757 TVirtualMC::GetMC()->Gsvolu("YMBX", "TUBE", idtmed[7], tubpar, 3);
1759 TVirtualMC::GetMC()->Gspos("MBXW", 1, "ZDCC", 0., 0., -tubpar[2]-zCorrDip, 0, "ONLY");
1760 TVirtualMC::GetMC()->Gspos("YMBX", 1, "ZDCC", 0., 0., -tubpar[2]-zCorrDip, 0, "ONLY");
1766 // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT
1768 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1771 tubpar[2] = 637./2.;
1772 TVirtualMC::GetMC()->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3);
1777 tubpar[2] = 637./2.;
1778 TVirtualMC::GetMC()->Gsvolu("YMQL", "TUBE", idtmed[7], tubpar, 3);
1780 TVirtualMC::GetMC()->Gspos("MQXL", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip, 0, "ONLY");
1781 TVirtualMC::GetMC()->Gspos("YMQL", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip, 0, "ONLY");
1783 TVirtualMC::GetMC()->Gspos("MQXL", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-2400., 0, "ONLY");
1784 TVirtualMC::GetMC()->Gspos("YMQL", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-2400., 0, "ONLY");
1787 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1790 tubpar[2] = 550./2.;
1791 TVirtualMC::GetMC()->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3);
1796 tubpar[2] = 550./2.;
1797 TVirtualMC::GetMC()->Gsvolu("YMQ ", "TUBE", idtmed[7], tubpar, 3);
1799 TVirtualMC::GetMC()->Gspos("MQX ", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-908.5, 0, "ONLY");
1800 TVirtualMC::GetMC()->Gspos("YMQ ", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-908.5, 0, "ONLY");
1802 TVirtualMC::GetMC()->Gspos("MQX ", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-1558.5, 0, "ONLY");
1803 TVirtualMC::GetMC()->Gspos("YMQ ", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-1558.5, 0, "ONLY");
1805 // -- SEPARATOR DIPOLE D1
1808 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1811 tubpar[2] = 945./2.;
1812 TVirtualMC::GetMC()->Gsvolu("MD1 ", "TUBE", idtmed[11], tubpar, 3);
1814 // -- Insert horizontal Cu plates inside D1
1815 // -- (to simulate the vacuum chamber)
1816 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.98+0.2)*(2.98+0.2)) - 0.05;
1818 boxpar[2] = 945./2.;
1819 TVirtualMC::GetMC()->Gsvolu("MD1V", "BOX ", idtmed[6], boxpar, 3);
1820 TVirtualMC::GetMC()->Gspos("MD1V", 1, "MD1 ", 0., 2.98+boxpar[1], 0., 0, "ONLY");
1821 TVirtualMC::GetMC()->Gspos("MD1V", 2, "MD1 ", 0., -2.98-boxpar[1], 0., 0, "ONLY");
1825 tubpar[1] = 110./2.;
1826 tubpar[2] = 945./2.;
1827 TVirtualMC::GetMC()->Gsvolu("YD1 ", "TUBE", idtmed[7], tubpar, 3);
1829 TVirtualMC::GetMC()->Gspos("YD1 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD1, 0, "ONLY");
1830 TVirtualMC::GetMC()->Gspos("MD1 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD1, 0, "ONLY");
1832 //printf(" MD1 from z = %1.2f to z= %1.2f cm\n",-zD1, -zD1-2*tubpar[2]);
1836 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1839 tubpar[2] = 945./2.;
1840 TVirtualMC::GetMC()->Gsvolu("MD2 ", "TUBE", idtmed[11], tubpar, 3);
1845 tubpar[2] = 945./2.;
1846 TVirtualMC::GetMC()->Gsvolu("YD2 ", "TUBE", idtmed[7], tubpar, 3);
1848 TVirtualMC::GetMC()->Gspos("YD2 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD2, 0, "ONLY");
1850 //printf(" YD2 from z = %1.2f to z= %1.2f cm\n",-zD2, -zD2-2*tubpar[2]);
1852 TVirtualMC::GetMC()->Gspos("MD2 ", 1, "YD2 ", -9.4, 0., 0., 0, "ONLY");
1853 TVirtualMC::GetMC()->Gspos("MD2 ", 2, "YD2 ", 9.4, 0., 0., 0, "ONLY");
1855 // ***************************************************************
1857 // ***************************************************************
1859 // COMPENSATOR DIPOLE (MCBWA) (2nd compensator)
1860 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1863 tubpar[2] = 153./2.;
1864 TVirtualMC::GetMC()->Gsvolu("MCBW", "TUBE", idtmed[11], tubpar, 3);
1865 TVirtualMC::GetMC()->Gspos("MCBW", 1, "ZDCA", 0., 0., tubpar[2]+zCorrDip, 0, "ONLY");
1870 tubpar[2] = 153./2.;
1871 TVirtualMC::GetMC()->Gsvolu("YMCB", "TUBE", idtmed[7], tubpar, 3);
1872 TVirtualMC::GetMC()->Gspos("YMCB", 1, "ZDCA", 0., 0., tubpar[2]+zCorrDip, 0, "ONLY");
1875 // -- DEFINE MQX1 AND MQX2 QUADRUPOLE ELEMENT
1877 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1880 tubpar[2] = 637./2.;
1881 TVirtualMC::GetMC()->Gsvolu("MQX1", "TUBE", idtmed[11], tubpar, 3);
1882 TVirtualMC::GetMC()->Gsvolu("MQX4", "TUBE", idtmed[11], tubpar, 3);
1887 tubpar[2] = 637./2.;
1888 TVirtualMC::GetMC()->Gsvolu("YMQ1", "TUBE", idtmed[7], tubpar, 3);
1891 TVirtualMC::GetMC()->Gspos("MQX1", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip, 0, "ONLY");
1892 TVirtualMC::GetMC()->Gspos("YMQ1", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip, 0, "ONLY");
1894 // -- BEAM SCREEN FOR Q1
1895 tubpar[0] = 4.78/2.;
1896 tubpar[1] = 5.18/2.;
1897 tubpar[2] = 637./2.;
1898 TVirtualMC::GetMC()->Gsvolu("QBS1", "TUBE", idtmed[6], tubpar, 3);
1899 TVirtualMC::GetMC()->Gspos("QBS1", 1, "MQX1", 0., 0., 0., 0, "ONLY");
1900 // INSERT VERTICAL PLATE INSIDE Q1
1901 boxpar[0] = 0.2/2.0;
1902 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(1.9+0.2)*(1.9+0.2));
1903 boxpar[2] = 637./2.;
1904 TVirtualMC::GetMC()->Gsvolu("QBS2", "BOX ", idtmed[6], boxpar, 3);
1905 TVirtualMC::GetMC()->Gspos("QBS2", 1, "MQX1", 1.9+boxpar[0], 0., 0., 0, "ONLY");
1906 TVirtualMC::GetMC()->Gspos("QBS2", 2, "MQX1", -1.9-boxpar[0], 0., 0., 0, "ONLY");
1909 TVirtualMC::GetMC()->Gspos("MQX4", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+2400., 0, "ONLY");
1910 TVirtualMC::GetMC()->Gspos("YMQ1", 2, "ZDCA", 0., 0., tubpar[2]+zInnTrip+2400., 0, "ONLY");
1912 // -- BEAM SCREEN FOR Q3
1913 tubpar[0] = 5.79/2.;
1914 tubpar[1] = 6.14/2.;
1915 tubpar[2] = 637./2.;
1916 TVirtualMC::GetMC()->Gsvolu("QBS3", "TUBE", idtmed[6], tubpar, 3);
1917 TVirtualMC::GetMC()->Gspos("QBS3", 1, "MQX4", 0., 0., 0., 0, "ONLY");
1918 // INSERT VERTICAL PLATE INSIDE Q3
1919 boxpar[0] = 0.2/2.0;
1920 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(2.405+0.2)*(2.405+0.2));
1922 TVirtualMC::GetMC()->Gsvolu("QBS4", "BOX ", idtmed[6], boxpar, 3);
1923 TVirtualMC::GetMC()->Gspos("QBS4", 1, "MQX4", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1924 TVirtualMC::GetMC()->Gspos("QBS4", 2, "MQX4", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1929 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1932 tubpar[2] = 550./2.;
1933 TVirtualMC::GetMC()->Gsvolu("MQX2", "TUBE", idtmed[11], tubpar, 3);
1934 TVirtualMC::GetMC()->Gsvolu("MQX3", "TUBE", idtmed[11], tubpar, 3);
1939 tubpar[2] = 550./2.;
1940 TVirtualMC::GetMC()->Gsvolu("YMQ2", "TUBE", idtmed[7], tubpar, 3);
1942 // -- BEAM SCREEN FOR Q2
1943 tubpar[0] = 5.79/2.;
1944 tubpar[1] = 6.14/2.;
1945 tubpar[2] = 550./2.;
1946 TVirtualMC::GetMC()->Gsvolu("QBS5", "TUBE", idtmed[6], tubpar, 3);
1947 // VERTICAL PLATE INSIDE Q2
1948 boxpar[0] = 0.2/2.0;
1949 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(2.405+0.2)*(2.405+0.2));
1951 TVirtualMC::GetMC()->Gsvolu("QBS6", "BOX ", idtmed[6], boxpar, 3);
1954 TVirtualMC::GetMC()->Gspos("MQX2", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+908.5, 0, "ONLY");
1955 TVirtualMC::GetMC()->Gspos("QBS5", 1, "MQX2", 0., 0., 0., 0, "ONLY");
1956 TVirtualMC::GetMC()->Gspos("QBS6", 1, "MQX2", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1957 TVirtualMC::GetMC()->Gspos("QBS6", 2, "MQX2", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1958 TVirtualMC::GetMC()->Gspos("YMQ2", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+908.5, 0, "ONLY");
1962 TVirtualMC::GetMC()->Gspos("MQX3", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+1558.5, 0, "ONLY");
1963 TVirtualMC::GetMC()->Gspos("QBS5", 2, "MQX3", 0., 0., 0., 0, "ONLY");
1964 TVirtualMC::GetMC()->Gspos("QBS6", 3, "MQX3", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1965 TVirtualMC::GetMC()->Gspos("QBS6", 4, "MQX3", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1966 TVirtualMC::GetMC()->Gspos("YMQ2", 2, "ZDCA", 0., 0., tubpar[2]+zInnTrip+1558.5, 0, "ONLY");
1968 // -- SEPARATOR DIPOLE D1
1969 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1971 tubpar[1] = 6.75/2.;//3.375
1972 tubpar[2] = 945./2.;
1973 TVirtualMC::GetMC()->Gsvolu("MD1L", "TUBE", idtmed[11], tubpar, 3);
1975 // -- The beam screen tube is provided by the beam pipe in D1 (QA03 volume)
1976 // -- Insert the beam screen horizontal Cu plates inside D1
1977 // -- (to simulate the vacuum chamber)
1978 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.885+0.2)*(2.885+0.2));
1981 TVirtualMC::GetMC()->Gsvolu("QBS7", "BOX ", idtmed[6], boxpar, 3);
1982 TVirtualMC::GetMC()->Gspos("QBS7", 1, "MD1L", 0., 2.885+boxpar[1],0., 0, "ONLY");
1983 TVirtualMC::GetMC()->Gspos("QBS7", 2, "MD1L", 0., -2.885-boxpar[1],0., 0, "ONLY");
1988 tubpar[2] = 945./2.;
1989 TVirtualMC::GetMC()->Gsvolu("YD1L", "TUBE", idtmed[7], tubpar, 3);
1991 TVirtualMC::GetMC()->Gspos("YD1L", 1, "ZDCA", 0., 0., tubpar[2]+zD1, 0, "ONLY");
1992 TVirtualMC::GetMC()->Gspos("MD1L", 1, "ZDCA", 0., 0., tubpar[2]+zD1, 0, "ONLY");
1995 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1997 tubpar[1] = 7.5/2.; // this has to be checked
1998 tubpar[2] = 945./2.;
1999 TVirtualMC::GetMC()->Gsvolu("MD2L", "TUBE", idtmed[11], tubpar, 3);
2004 tubpar[2] = 945./2.;
2005 TVirtualMC::GetMC()->Gsvolu("YD2L", "TUBE", idtmed[7], tubpar, 3);
2007 TVirtualMC::GetMC()->Gspos("YD2L", 1, "ZDCA", 0., 0., tubpar[2]+zD2, 0, "ONLY");
2009 TVirtualMC::GetMC()->Gspos("MD2L", 1, "YD2L", -9.4, 0., 0., 0, "ONLY");
2010 TVirtualMC::GetMC()->Gspos("MD2L", 2, "YD2L", 9.4, 0., 0., 0, "ONLY");
2012 // -- END OF MAGNET DEFINITION
2015 //_____________________________________________________________________________
2016 void AliZDCv5::CreateZDC()
2019 // Create the various ZDCs (ZN + ZP)
2022 Float_t dimPb[6], dimVoid[6];
2023 for(int i=0; i<6; i++){
2028 // Parameters for EM calorimeter geometry
2029 // NB -> parameters used ONLY in CreateZDC()
2030 Float_t kDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
2031 Float_t kFibRadZEM = 0.0315; // External fiber radius (including cladding)
2032 Int_t fDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
2033 Float_t fDimZEM[6] = {fZEMLength, 3.5, 3.5, 45., 0., 0.}; // Dimensions of EM detector
2034 Float_t fFibZEM2 = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-kFibRadZEM;
2035 Float_t fFibZEM[3] = {0., 0.0275, fFibZEM2}; // Fibers for EM calorimeter
2037 Int_t *idtmed = fIdtmed->GetArray();
2040 // Parameters for hadronic calorimeters geometry
2041 // NB -> parameters used ONLY in CreateZDC()
2042 Float_t fGrvZN[3] = {0.03, 0.03, 50.}; // Grooves for neutron detector
2043 Float_t fGrvZP[3] = {0.04, 0.04, 75.}; // Grooves for proton detector
2044 Int_t fDivZN[3] = {11, 11, 0}; // Division for neutron detector
2045 Int_t fDivZP[3] = {7, 15, 0}; // Division for proton detector
2046 Int_t fTowZN[2] = {2, 2}; // Tower for neutron detector
2047 Int_t fTowZP[2] = {4, 1}; // Tower for proton detector
2051 //-- Create calorimeters geometry
2053 // -------------------------------------------------------------------------------
2054 //--> Neutron calorimeter (ZN)
2056 TVirtualMC::GetMC()->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material
2057 TVirtualMC::GetMC()->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material
2058 TVirtualMC::GetMC()->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3);
2059 TVirtualMC::GetMC()->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3);
2060 TVirtualMC::GetMC()->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3);
2061 TVirtualMC::GetMC()->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves
2062 TVirtualMC::GetMC()->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3);
2063 TVirtualMC::GetMC()->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3);
2064 TVirtualMC::GetMC()->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3);
2066 // Divide ZNEU in towers (for hits purposes)
2068 TVirtualMC::GetMC()->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower
2069 TVirtualMC::GetMC()->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower
2071 //-- Divide ZN1 in minitowers
2072 // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS,
2073 // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS
2074 // (4 fibres per minitower)
2076 TVirtualMC::GetMC()->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices
2077 TVirtualMC::GetMC()->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks
2079 // --- Position the empty grooves in the sticks (4 grooves per stick)
2080 Float_t dx = fDimZN[0] / fDivZN[0] / 4.;
2081 Float_t dy = fDimZN[1] / fDivZN[1] / 4.;
2083 TVirtualMC::GetMC()->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY");
2084 TVirtualMC::GetMC()->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY");
2085 TVirtualMC::GetMC()->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY");
2086 TVirtualMC::GetMC()->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY");
2088 // --- Position the fibers in the grooves
2089 TVirtualMC::GetMC()->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY");
2090 TVirtualMC::GetMC()->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY");
2091 TVirtualMC::GetMC()->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY");
2092 TVirtualMC::GetMC()->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY");
2094 // --- Position the neutron calorimeter in ZDC
2095 // -- Rotation of ZDCs
2097 TVirtualMC::GetMC()->Matrix(irotzdc, 90., 180., 90., 90., 180., 0.);
2099 TVirtualMC::GetMC()->Gspos("ZNEU", 1, "ZDCC", fPosZNC[0], fPosZNC[1], fPosZNC[2]-fDimZN[2], irotzdc, "ONLY");
2101 //printf("\n ZN -> %f < z < %f cm\n",fPosZN[2],fPosZN[2]-2*fDimZN[2]);
2103 // --- Position the neutron calorimeter in ZDC2 (left line)
2104 // -- No Rotation of ZDCs
2105 TVirtualMC::GetMC()->Gspos("ZNEU", 2, "ZDCA", fPosZNA[0], fPosZNA[1], fPosZNA[2]+fDimZN[2], 0, "ONLY");
2107 printf("\n ZNA -> %f < z < %f cm\n",fPosZNA[2],fPosZNA[2]+2*fDimZN[2]);
2110 // -------------------------------------------------------------------------------
2111 //--> Proton calorimeter (ZP)
2113 TVirtualMC::GetMC()->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material
2114 TVirtualMC::GetMC()->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material
2115 TVirtualMC::GetMC()->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3);
2116 TVirtualMC::GetMC()->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3);
2117 TVirtualMC::GetMC()->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3);
2118 TVirtualMC::GetMC()->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves
2119 TVirtualMC::GetMC()->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3);
2120 TVirtualMC::GetMC()->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3);
2121 TVirtualMC::GetMC()->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3);
2123 //-- Divide ZPRO in towers(for hits purposes)
2125 TVirtualMC::GetMC()->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower
2126 TVirtualMC::GetMC()->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower
2129 //-- Divide ZP1 in minitowers
2130 // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER,
2131 // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER
2132 // (4 fiber per minitower)
2134 TVirtualMC::GetMC()->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices
2135 TVirtualMC::GetMC()->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks
2137 // --- Position the empty grooves in the sticks (4 grooves per stick)
2138 dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.;
2139 dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.;
2141 TVirtualMC::GetMC()->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY");
2142 TVirtualMC::GetMC()->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY");
2143 TVirtualMC::GetMC()->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY");
2144 TVirtualMC::GetMC()->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY");
2146 // --- Position the fibers in the grooves
2147 TVirtualMC::GetMC()->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY");
2148 TVirtualMC::GetMC()->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY");
2149 TVirtualMC::GetMC()->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY");
2150 TVirtualMC::GetMC()->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY");
2153 // --- Position the proton calorimeter in ZDCC
2154 TVirtualMC::GetMC()->Gspos("ZPRO", 1, "ZDCC", fPosZPC[0], fPosZPC[1], fPosZPC[2]-fDimZP[2], irotzdc, "ONLY");
2156 //printf("\n ZP -> %f < z < %f cm\n",fPosZP[2],fPosZP[2]-2*fDimZP[2]);
2158 // --- Position the proton calorimeter in ZDCA
2160 TVirtualMC::GetMC()->Gspos("ZPRO", 2, "ZDCA", fPosZPA[0], fPosZPA[1], fPosZPA[2]+fDimZP[2], 0, "ONLY");
2162 printf(" ZPA -> %f < z < %f cm\n\n",fPosZPA[2],fPosZPA[2]+2*fDimZP[2]);
2165 // -------------------------------------------------------------------------------
2166 // -> EM calorimeter (ZEM)
2168 TVirtualMC::GetMC()->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6);
2171 TVirtualMC::GetMC()->Matrix(irot1,0.,0.,90.,90.,-90.,0.); // Rotation matrix 1
2172 TVirtualMC::GetMC()->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]);// Rotation matrix 2
2173 //printf("irot1 = %d, irot2 = %d \n", irot1, irot2);
2175 TVirtualMC::GetMC()->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material
2177 TVirtualMC::GetMC()->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches
2179 dimPb[0] = kDimZEMPb; // Lead slices
2180 dimPb[1] = fDimZEM[2];
2181 dimPb[2] = fDimZEM[1];
2182 //dimPb[3] = fDimZEM[3]; //controllare
2183 dimPb[3] = 90.-fDimZEM[3]; //originale
2186 TVirtualMC::GetMC()->Gsvolu("ZEL0", "PARA", idtmed[5], dimPb, 6);
2187 TVirtualMC::GetMC()->Gsvolu("ZEL1", "PARA", idtmed[5], dimPb, 6);
2188 TVirtualMC::GetMC()->Gsvolu("ZEL2", "PARA", idtmed[5], dimPb, 6);
2190 // --- Position the lead slices in the tranche
2191 Float_t zTran = fDimZEM[0]/fDivZEM[2];
2192 Float_t zTrPb = -zTran+kDimZEMPb;
2193 TVirtualMC::GetMC()->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY");
2194 TVirtualMC::GetMC()->Gspos("ZEL1", 1, "ZETR", kDimZEMPb, 0., 0., 0, "ONLY");
2196 // --- Vacuum zone (to be filled with fibres)
2197 dimVoid[0] = (zTran-2*kDimZEMPb)/2.;
2198 dimVoid[1] = fDimZEM[2];
2199 dimVoid[2] = fDimZEM[1];
2200 dimVoid[3] = 90.-fDimZEM[3];
2203 TVirtualMC::GetMC()->Gsvolu("ZEV0", "PARA", idtmed[10], dimVoid,6);
2204 TVirtualMC::GetMC()->Gsvolu("ZEV1", "PARA", idtmed[10], dimVoid,6);
2206 // --- Divide the vacuum slice into sticks along x axis
2207 TVirtualMC::GetMC()->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3);
2208 TVirtualMC::GetMC()->Gsdvn("ZES1", "ZEV1", fDivZEM[0], 3);
2210 // --- Positioning the fibers into the sticks
2211 TVirtualMC::GetMC()->Gspos("ZEMF", 1,"ZES0", 0., 0., 0., irot2, "ONLY");
2212 TVirtualMC::GetMC()->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY");
2214 // --- Positioning the vacuum slice into the tranche
2215 //Float_t displFib = fDimZEM[1]/fDivZEM[0];
2216 TVirtualMC::GetMC()->Gspos("ZEV0", 1,"ZETR", -dimVoid[0], 0., 0., 0, "ONLY");
2217 TVirtualMC::GetMC()->Gspos("ZEV1", 1,"ZETR", -dimVoid[0]+zTran, 0., 0., 0, "ONLY");
2219 // --- Positioning the ZEM into the ZDC - rotation for 90 degrees
2220 // NB -> ZEM is positioned in ALIC (instead of in ZDC) volume
2221 TVirtualMC::GetMC()->Gspos("ZEM ", 1,"ALIC", -fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
2223 // Second EM ZDC (same side w.r.t. IP, just on the other side w.r.t. beam pipe)
2224 TVirtualMC::GetMC()->Gspos("ZEM ", 2,"ALIC", fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
2226 // --- Adding last slice at the end of the EM calorimeter
2227 Float_t zLastSlice = fPosZEM[2]+kDimZEMPb+2*fDimZEM[0];
2228 TVirtualMC::GetMC()->Gspos("ZEL2", 1,"ALIC", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY");
2230 //printf("\n ZEM lenght = %f cm\n",2*fZEMLength);
2231 //printf("\n ZEM -> %f < z < %f cm\n",fPosZEM[2],fPosZEM[2]+2*fZEMLength+zLastSlice+kDimZEMPb);
2235 //_____________________________________________________________________________
2236 void AliZDCv5::CreateMaterials()
2239 // Create Materials for the Zero Degree Calorimeter
2241 Float_t dens=0., ubuf[1]={0.};
2242 Float_t wmat[3]={0.,0,0}, a[3]={0.,0,0}, z[3]={0.,0,0};
2244 // --- W alloy -> ZN passive material
2255 AliMixture(1, "WALL", a, z, dens, 3, wmat);
2257 // --- Brass (CuZn) -> ZP passive material
2265 AliMixture(2, "BRASS", a, z, dens, 2, wmat);
2275 AliMixture(3, "SIO2", a, z, dens, -2, wmat);
2279 AliMaterial(5, "LEAD", 207.19, 82., 11.35, .56, 0., ubuf, 1);
2281 // --- Copper (energy loss taken into account)
2283 AliMaterial(6, "COPP0", 63.54, 29., 8.96, 1.43, 0., ubuf, 1);
2286 AliMaterial(9, "COPP1", 63.54, 29., 8.96, 1.43, 0., ubuf, 1);
2288 // --- Iron (energy loss taken into account)
2289 AliMaterial(7, "IRON0", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
2291 // --- Iron (no energy loss)
2292 AliMaterial(8, "IRON1", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
2295 AliMaterial(13, "TANT", 183.84, 74., 19.3, 0.35, 0., ubuf, 1);
2298 AliMaterial(14, "ALUM", 26.98, 13., 2.7, 8.9, 0., ubuf, 1);
2301 AliMaterial(15, "GRAP", 12.011, 6., 2.2, 18.8, 0., ubuf, 1);
2303 // ---------------------------------------------------------
2304 Float_t aResGas[3]={1.008,12.0107,15.9994};
2305 Float_t zResGas[3]={1.,6.,8.};
2306 Float_t wResGas[3]={0.28,0.28,0.44};
2307 Float_t dResGas = 3.2E-14;
2309 // --- Vacuum (no magnetic field)
2310 AliMixture(10, "VOID", aResGas, zResGas, dResGas, 3, wResGas);
2312 // --- Vacuum (with magnetic field)
2313 AliMixture(11, "VOIM", aResGas, zResGas, dResGas, 3, wResGas);
2315 // --- Air (no magnetic field)
2316 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
2317 Float_t zAir[4]={6.,7.,8.,18.};
2318 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
2319 Float_t dAir = 1.20479E-3;
2321 AliMixture(12, "Air $", aAir, zAir, dAir, 4, wAir);
2323 // --- Definition of tracking media:
2325 // --- Tantalum = 1 ;
2327 // --- Fibers (SiO2) = 3 ;
2328 // --- Fibers (SiO2) = 4 ;
2330 // --- Copper (with high thr.)= 6 ;
2331 // --- Copper (with low thr.)= 9;
2332 // --- Iron (with energy loss) = 7 ;
2333 // --- Iron (without energy loss) = 8 ;
2334 // --- Vacuum (no field) = 10
2335 // --- Vacuum (with field) = 11
2336 // --- Air (no field) = 12
2338 // ****************************************************
2339 // Tracking media parameters
2341 Float_t epsil = 0.01; // Tracking precision,
2342 Float_t stmin = 0.01; // Min. value 4 max. step (cm)
2343 Float_t stemax = 1.; // Max. step permitted (cm)
2344 Float_t tmaxfd = 0.; // Maximum angle due to field (degrees)
2345 Float_t tmaxfdv = 0.1; // Maximum angle due to field (degrees)
2346 Float_t deemax = -1.; // Maximum fractional energy loss
2347 Float_t nofieldm = 0.; // Max. field value (no field)
2348 Float_t fieldm = 45.; // Max. field value (with field)
2349 Int_t isvol = 0; // ISVOL =0 -> not sensitive volume
2350 Int_t isvolActive = 1; // ISVOL =1 -> sensitive volume
2351 Int_t inofld = 0; // IFIELD=0 -> no magnetic field
2352 Int_t ifield =2; // IFIELD=2 -> magnetic field defined in AliMagFC.h
2353 // *****************************************************
2355 AliMedium(1, "ZWALL", 1, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2356 AliMedium(2, "ZBRASS",2, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2357 AliMedium(3, "ZSIO2", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2358 AliMedium(4, "ZQUAR", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2359 AliMedium(5, "ZLEAD", 5, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2360 AliMedium(6, "ZCOPP", 6, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2361 AliMedium(7, "ZIRON", 7, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2362 AliMedium(8, "ZIRONN",8, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2363 AliMedium(9, "ZCOPL", 6, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2364 AliMedium(10,"ZVOID",10, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2365 AliMedium(11,"ZVOIM",11, isvol, ifield, fieldm, tmaxfdv, stemax, deemax, epsil, stmin);
2366 AliMedium(12,"ZAIR", 12, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2367 AliMedium(13,"ZTANT",13, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2368 AliMedium(14,"ZALUM",14, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2369 AliMedium(15,"ZALUM",15, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2370 AliMedium(16,"ZIRONT",7, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2374 //_____________________________________________________________________________
2375 void AliZDCv5::AddAlignableVolumes() const
2378 // Create entries for alignable volumes associating the symbolic volume
2379 // name with the corresponding volume path. Needs to be syncronized with
2380 // eventual changes in the geometry.
2382 if(fOnlyZEM) return;
2384 TString volpath1 = "ALIC_1/ZDCC_1/ZNEU_1";
2385 TString volpath2 = "ALIC_1/ZDCC_1/ZPRO_1";
2386 TString volpath3 = "ALIC_1/ZDCA_1/ZNEU_2";
2387 TString volpath4 = "ALIC_1/ZDCA_1/ZPRO_2";
2389 TString symname1="ZDC/NeutronZDC_C";
2390 TString symname2="ZDC/ProtonZDC_C";
2391 TString symname3="ZDC/NeutronZDC_A";
2392 TString symname4="ZDC/ProtonZDC_A";
2394 if(!gGeoManager->SetAlignableEntry(symname1.Data(),volpath1.Data()))
2395 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname1.Data(),volpath1.Data()));
2397 if(!gGeoManager->SetAlignableEntry(symname2.Data(),volpath2.Data()))
2398 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname2.Data(),volpath2.Data()));
2400 if(!gGeoManager->SetAlignableEntry(symname3.Data(),volpath3.Data()))
2401 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname1.Data(),volpath1.Data()));
2403 if(!gGeoManager->SetAlignableEntry(symname4.Data(),volpath4.Data()))
2404 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname2.Data(),volpath2.Data()));
2409 //_____________________________________________________________________________
2410 void AliZDCv5::Init()
2413 Int_t *idtmed = fIdtmed->GetArray();
2415 fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material
2416 fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material
2417 fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1
2418 fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2
2419 fMedSensZEM = idtmed[5]; // Sensitive volume: ZEM passive material
2420 fMedSensTDI = idtmed[6]; // Sensitive volume: TDI Cu shield
2421 fMedSensPI = idtmed[7]; // Sensitive volume: beam pipes
2422 fMedSensLumi = idtmed[9]; // Sensitive volume: luminometer
2423 fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves
2424 fMedSensVColl = idtmed[13]; // Sensitive volume: collimator jaws
2427 //_____________________________________________________________________________
2428 void AliZDCv5::InitTables()
2431 // Read light tables for Cerenkov light production parameterization
2437 // --- Reading light tables for ZN
2438 char *lightfName1 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362207s");
2439 FILE *fp1 = fopen(lightfName1,"r");
2441 printf("Cannot open light table from file %s \n",lightfName1);
2445 for(k=0; k<fNalfan; k++){
2446 for(j=0; j<fNben; j++){
2447 read = fscanf(fp1,"%f",&fTablen[0][k][j]);
2448 if(read==0) AliDebug(3, " Error in reading light table 1");
2453 char *lightfName2 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362208s");
2454 FILE *fp2 = fopen(lightfName2,"r");
2456 printf("Cannot open light table from file %s \n",lightfName2);
2460 for(k=0; k<fNalfan; k++){
2461 for(j=0; j<fNben; j++){
2462 read = fscanf(fp2,"%f",&fTablen[1][k][j]);
2463 if(read==0) AliDebug(3, " Error in reading light table 2");
2468 char *lightfName3 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362209s");
2469 FILE *fp3 = fopen(lightfName3,"r");
2471 printf("Cannot open light table from file %s \n",lightfName3);
2475 for(k=0; k<fNalfan; k++){
2476 for(j=0; j<fNben; j++){
2477 read = fscanf(fp3,"%f",&fTablen[2][k][j]);
2478 if(read==0) AliDebug(3, " Error in reading light table 3");
2483 char *lightfName4 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362210s");
2484 FILE *fp4 = fopen(lightfName4,"r");
2486 printf("Cannot open light table from file %s \n",lightfName4);
2490 for(k=0; k<fNalfan; k++){
2491 for(j=0; j<fNben; j++){
2492 read = fscanf(fp4,"%f",&fTablen[3][k][j]);
2493 if(read==0) AliDebug(3, " Error in reading light table 4");
2499 // --- Reading light tables for ZP and ZEM
2500 char *lightfName5 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552207s");
2501 FILE *fp5 = fopen(lightfName5,"r");
2503 printf("Cannot open light table from file %s \n",lightfName5);
2507 for(k=0; k<fNalfap; k++){
2508 for(j=0; j<fNbep; j++){
2509 read = fscanf(fp5,"%f",&fTablep[0][k][j]);
2510 if(read==0) AliDebug(3, " Error in reading light table 5");
2515 char *lightfName6 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552208s");
2516 FILE *fp6 = fopen(lightfName6,"r");
2518 printf("Cannot open light table from file %s \n",lightfName6);
2522 for(k=0; k<fNalfap; k++){
2523 for(j=0; j<fNbep; j++){
2524 read = fscanf(fp6,"%f",&fTablep[1][k][j]);
2525 if(read==0) AliDebug(3, " Error in reading light table 6");
2530 char *lightfName7 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552209s");
2531 FILE *fp7 = fopen(lightfName7,"r");
2533 printf("Cannot open light table from file %s \n",lightfName7);
2537 for(k=0; k<fNalfap; k++){
2538 for(j=0; j<fNbep; j++){
2539 read = fscanf(fp7,"%f",&fTablep[2][k][j]);
2540 if(read==0) AliDebug(3, " Error in reading light table 7");
2545 char *lightfName8 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552210s");
2546 FILE *fp8 = fopen(lightfName8,"r");
2548 printf("Cannot open light table from file %s \n",lightfName8);
2552 for(k=0; k<fNalfap; k++){
2553 for(j=0; j<fNbep; j++){
2554 read = fscanf(fp8,"%f",&fTablep[3][k][j]);
2555 if(read==0) AliDebug(3, " Error in reading light table 8");
2562 //_____________________________________________________________________________
2563 void AliZDCv5::StepManager()
2566 // Routine called at every step in the Zero Degree Calorimeters
2568 Int_t j=0, vol[2]={0,0}, ibeta=0, ialfa=0, ibe=0, nphe=0;
2569 Float_t x[3]={0.,0.,0.}, xdet[3]={999.,999.,999.}, um[3]={0.,0.,0.}, ud[3]={0.,0.,0.};
2570 Float_t destep=0., be=0., out=0.;
2571 Double_t s[3]={0.,0.,0.}, p[4]={0.,0.,0.,0.};
2574 for(j=0;j<14;j++) hits[j]=-999.;
2575 const char *knamed = (TVirtualMC::GetMC())->CurrentVolName();
2576 Int_t mid = TVirtualMC::GetMC()->CurrentMedium();
2578 // Study spectator protons distributions at TDI z
2579 /*TVirtualMC::GetMC()->TrackPosition(s[0],s[1],s[2]);
2580 if(s[2]>=7813.30 && s[2]<=8353.30){
2581 //printf(" \t**** particle in vol. %s\n ",knamed);
2582 TVirtualMC::GetMC()->TrackMomentum(p[0], p[1], p[2], p[3]);
2583 Int_t ctrack = gAlice->GetMCApp()->GetCurrentTrackNumber();
2584 TParticle *cpart = gAlice->GetMCApp()->Particle(ctrack);
2585 printf("\t TDIpc %d %f %f %f %f \n", cpart->GetPdgCode(), s[0],s[1],s[2],p[3]);
2587 else if(s[2]>=8353.30 && s[2]<=8403.30){
2588 TVirtualMC::GetMC()->TrackMomentum(p[0], p[1], p[2], p[3]);
2589 Int_t ctrack = gAlice->GetMCApp()->GetCurrentTrackNumber();
2590 TParticle *cpart = gAlice->GetMCApp()->Particle(ctrack);
2591 printf("\t TDIpc %d %f %f %f %f \n", cpart->GetPdgCode(), s[0],s[1],s[2],p[3]);
2593 else if(s[2]>8403.30){
2594 TVirtualMC::GetMC()->StopTrack();
2598 // --- This part is for no shower developement in beam pipe, TDI, VColl
2599 // If particle interacts with beam pipe, TDI, VColl -> return
2600 if(fNoShower==1 && ((mid == fMedSensPI) || (mid == fMedSensTDI) ||
2601 (mid == fMedSensVColl) || (mid == fMedSensLumi))){
2603 // Avoid to stop track in skewed cones between recombination chambers or separate beam pipes and ZDC (Jan 2015)
2604 if((strncmp(knamed,"QA27",4)) && (strncmp(knamed,"QA28",4)) &&
2605 (strncmp(knamed,"QA29",4))){ // true if it is NOT in QA27 || QA28 || QA29
2607 // If option NoShower is set -> StopTrack
2608 //printf(" \t**** particle in vol. %s\n ",knamed);
2611 TVirtualMC::GetMC()->TrackPosition(s[0],s[1],s[2]);
2612 //printf("\t\t(x,y,z) = (%f, %f, %f)\n", s[0], s[1], s[2]);
2613 TVirtualMC::GetMC()->TrackMomentum(p[0], p[1], p[2], p[3]);
2615 if(mid == fMedSensPI){
2616 if(!strncmp(knamed,"YMQ",3)){
2617 if(s[2]<0) fpLostITC += 1;
2618 else fpLostITA += 1;
2621 else if(!strncmp(knamed,"QA02",4)){
2622 if((s[2]>26.15 && s[2]<32.52) || (s[2]>34.80 && s[2]<40.30) ||
2623 (s[2]>41.30 && s[2]<46.80) || (s[2]>50.15 && s[2]<56.52)) fpLostITA += 1;
2625 else if(!strncmp(knamed,"YD1",3)){
2626 if(s[2]<0) fpLostD1C += 1;
2627 else fpLostD1A += 1;
2630 else if(!strncmp(knamed,"QA03",4)) fpLostD1A += 1;
2631 else if(!strncmp(knamed,"QT02",4)) fpLostD1C += 1;
2632 else if(!strncmp(knamed,"QTD",3) || strncmp(knamed,"Q13T",4)) fpLostTDI += 1;
2634 else if(mid == fMedSensTDI){ // fMedSensTDI also involves beam screen inside IT and D1
2635 if(!strncmp(knamed,"QBS1",4) || !strncmp(knamed,"QBS2",4) || // beam screens inside Q1
2636 !strncmp(knamed,"QBS3",4) || !strncmp(knamed,"QBS4",4) || // beam screens inside Q3
2637 !strncmp(knamed,"QBS5",4) || !strncmp(knamed,"QBS6",4) // beam screens inside Q2A/Q2B
2639 if(s[2]<0) fpLostITC += 1;
2640 else fpLostITA += 1;
2642 else if(!strncmp(knamed,"MD1",3)){
2643 if(s[2]<0) fpLostD1C += 1;
2644 else fpLostD1A += 1;
2646 else if(!strncmp(knamed,"QTD",3)) fpLostTDI += 1;
2649 else if(mid == fMedSensVColl){
2650 if(!strncmp(knamed,"QCVC",4)) fpcVCollC++;
2651 else if(!strncmp(knamed,"QCVA",4)) fpcVCollA++;
2655 //printf("\t Particle: mass = %1.3f, E = %1.3f GeV, pz = %1.2f GeV -> stopped in volume %s\n",
2656 // TVirtualMC::GetMC()->TrackMass(), p[3], p[2], knamed);
2659 printf("\n\t **********************************\n");
2660 printf("\t ********** Side C **********\n");
2661 printf("\t # of particles in IT = %d\n",fpLostITC);
2662 printf("\t # of particles in D1 = %d\n",fpLostD1C);
2663 printf("\t # of particles in VColl = %d\n",fpcVCollC);
2664 printf("\t ********** Side A **********\n");
2665 printf("\t # of particles in IT = %d\n",fpLostITA);
2666 printf("\t # of particles in D1 = %d\n",fpLostD1A);
2667 printf("\t # of particles in TDI = %d\n",fpLostTDI);
2668 printf("\t # of particles in VColl = %d\n",fpcVCollA);
2669 printf("\t **********************************\n");
2671 TVirtualMC::GetMC()->StopTrack();
2676 if((mid == fMedSensZN) || (mid == fMedSensZP) ||
2677 (mid == fMedSensGR) || (mid == fMedSensF1) ||
2678 (mid == fMedSensF2) || (mid == fMedSensZEM)){
2681 //Particle coordinates
2682 TVirtualMC::GetMC()->TrackPosition(s[0],s[1],s[2]);
2683 for(j=0; j<=2; j++) x[j] = s[j];
2688 // Determine in which ZDC the particle is
2689 if(!strncmp(knamed,"ZN",2)){
2690 if(x[2]<0.) vol[0]=1; // ZNC (dimuon side)
2691 else if(x[2]>0.) vol[0]=4; //ZNA
2693 else if(!strncmp(knamed,"ZP",2)){
2694 if(x[2]<0.) vol[0]=2; //ZPC (dimuon side)
2695 else if(x[2]>0.) vol[0]=5; //ZPA
2697 else if(!strncmp(knamed,"ZE",2)) vol[0]=3; //ZEM
2698 // February 2015: Adding TrackReference
2699 if(TVirtualMC::GetMC()->IsTrackEntering() || TVirtualMC::GetMC()->IsTrackExiting()) {
2700 AliTrackReference* trackRef = AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kZDC);
2702 trackRef->SetUserId(vol[0]);
2703 //printf("Adding track reference for track %d in vol. %d\n", gAlice->GetMCApp()->GetCurrentTrackNumber(), vol[0]);
2707 // Determine in which quadrant the particle is
2708 if(vol[0]==1){ //Quadrant in ZNC
2709 // Calculating particle coordinates inside ZNC
2710 xdet[0] = x[0]-fPosZNC[0];
2711 xdet[1] = x[1]-fPosZNC[1];
2712 // Calculating quadrant in ZN
2714 if(xdet[1]<=0.) vol[1]=1;
2717 else if(xdet[0]>0.){
2718 if(xdet[1]<=0.) vol[1]=2;
2723 else if(vol[0]==2){ //Quadrant in ZPC
2724 // Calculating particle coordinates inside ZPC
2725 xdet[0] = x[0]-fPosZPC[0];
2726 xdet[1] = x[1]-fPosZPC[1];
2727 if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01;
2728 if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01;
2729 // Calculating tower in ZP
2730 Float_t xqZP = xdet[0]/(fDimZP[0]/2.);
2731 for(int i=1; i<=4; i++){
2732 if(xqZP>=(i-3) && xqZP<(i-2)){
2739 // Quadrant in ZEM: vol[1] = 1 -> particle in 1st ZEM (placed at x = 8.5 cm)
2740 // vol[1] = 2 -> particle in 2nd ZEM (placed at x = -8.5 cm)
2741 else if(vol[0] == 3){
2744 // Particle x-coordinate inside ZEM1
2745 xdet[0] = x[0]-fPosZEM[0];
2749 // Particle x-coordinate inside ZEM2
2750 xdet[0] = x[0]+fPosZEM[0];
2752 xdet[1] = x[1]-fPosZEM[1];
2755 else if(vol[0]==4){ //Quadrant in ZNA
2756 // Calculating particle coordinates inside ZNA
2757 xdet[0] = x[0]-fPosZNA[0];
2758 xdet[1] = x[1]-fPosZNA[1];
2759 // Calculating quadrant in ZNA
2761 if(xdet[1]<=0.) vol[1]=1;
2764 else if(xdet[0]<0.){
2765 if(xdet[1]<=0.) vol[1]=2;
2770 else if(vol[0]==5){ //Quadrant in ZPA
2771 // Calculating particle coordinates inside ZPA
2772 xdet[0] = x[0]-fPosZPA[0];
2773 xdet[1] = x[1]-fPosZPA[1];
2774 if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01;
2775 if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01;
2776 // Calculating tower in ZP
2777 Float_t xqZP = -xdet[0]/(fDimZP[0]/2.);
2778 for(int i=1; i<=4; i++){
2779 if(xqZP>=(i-3) && xqZP<(i-2)){
2785 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
2786 AliError(Form(" WRONG tower for det %d: tow %d with xdet=(%f, %f)\n",
2787 vol[0], vol[1], xdet[0], xdet[1]));
2789 //printf("\t *** det %d vol %d xdet(%f, %f)\n",vol[0], vol[1], xdet[0], xdet[1]);
2792 // Store impact point and kinetic energy of the ENTERING particle
2794 if(TVirtualMC::GetMC()->IsTrackEntering()){
2796 TVirtualMC::GetMC()->TrackMomentum(p[0],p[1],p[2],p[3]);
2799 // Impact point on ZDC
2800 // X takes into account the LHC x-axis sign
2801 // which is opposite to positive x on detector front face
2802 // for side A detectors (ZNA and ZPA)
2803 if(vol[0]==4 || vol[0]==5){
2815 Int_t curTrackN = gAlice->GetMCApp()->GetCurrentTrackNumber();
2816 TParticle *part = gAlice->GetMCApp()->Particle(curTrackN);
2817 hits[10] = part->GetPdgCode();
2819 hits[12] = 1.0e09*TVirtualMC::GetMC()->TrackTime(); // in ns!
2820 hits[13] = part->Eta();
2823 Int_t imo = part->GetFirstMother();
2824 //printf(" tracks: pc %d -> mother %d \n", curTrackN,imo);
2827 TParticle *pmot = 0x0;
2828 Bool_t isChild = kFALSE;
2830 pmot = gAlice->GetMCApp()->Particle(imo);
2831 trmo = pmot->GetFirstMother();
2834 pmot = gAlice->GetMCApp()->Particle(trmo);
2835 //printf(" **** pc %d -> mother %d \n", trch,trmo);
2836 trmo = pmot->GetFirstMother();
2840 if(isChild && pmot){
2842 hits[11] = pmot->GetPdgCode();
2843 hits[13] = pmot->Eta();
2848 AddHit(curTrackN, vol, hits);
2853 //printf(" ### Particle in ZNC\n\n");
2857 //printf(" ### Particle in ZPC\n\n");
2859 //else if(vol[0]==3) printf(" ### Particle in ZEM\n\n");
2862 //printf(" ### Particle in ZNA\n\n");
2866 //printf(" ### Particle in ZPA\n\n");
2869 //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",
2870 // gAlice->GetMCApp()->GetCurrentTrackNumber(),x[0],x[1],x[2],p[3],p[2],knamed, vol[0]);
2871 //printf("\t Track %d: pc %d E %1.2f GeV pz = %1.2f GeV in volume %s -> det %d\n",
2872 // gAlice->GetMCApp()->GetCurrentTrackNumber(),part->GetPdgCode(),p[3],p[2],knamed, vol[0]);
2874 TVirtualMC::GetMC()->StopTrack();
2879 // Particle energy loss
2880 if(TVirtualMC::GetMC()->Edep() != 0){
2881 hits[9] = TVirtualMC::GetMC()->Edep();
2884 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2889 // *** Light production in fibres
2890 if((mid == fMedSensF1) || (mid == fMedSensF2)){
2892 //Select charged particles
2893 if((destep=TVirtualMC::GetMC()->Edep())){
2895 // Particle velocity
2897 TVirtualMC::GetMC()->TrackMomentum(p[0],p[1],p[2],p[3]);
2898 Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]);
2899 if(p[3] > 0.00001) beta = ptot/p[3];
2901 if(beta<0.67)return;
2902 else if((beta>=0.67) && (beta<=0.75)) ibeta = 0;
2903 else if((beta>0.75) && (beta<=0.85)) ibeta = 1;
2904 else if((beta>0.85) && (beta<=0.95)) ibeta = 2;
2905 else if(beta>0.95) ibeta = 3;
2907 // Angle between particle trajectory and fibre axis
2908 // 1 -> Momentum directions
2912 TVirtualMC::GetMC()->Gmtod(um,ud,2);
2913 // 2 -> Angle < limit angle
2914 Double_t alfar = TMath::ACos(ud[2]);
2915 Double_t alfa = alfar*kRaddeg;
2916 if(alfa>=110.) return;
2918 ialfa = Int_t(1.+alfa/2.);
2920 // Distance between particle trajectory and fibre axis
2921 TVirtualMC::GetMC()->TrackPosition(s[0],s[1],s[2]);
2922 for(j=0; j<=2; j++){
2925 TVirtualMC::GetMC()->Gmtod(x,xdet,1);
2926 if(TMath::Abs(ud[0])>0.00001){
2927 Float_t dcoeff = ud[1]/ud[0];
2928 be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.));
2931 be = TMath::Abs(ud[0]);
2934 ibe = Int_t(be*1000.+1);
2936 //Looking into the light tables
2937 Float_t charge = 0.;
2938 Int_t curTrackN = gAlice->GetMCApp()->GetCurrentTrackNumber();
2939 TParticle *part = gAlice->GetMCApp()->Particle(curTrackN);
2940 Int_t pdgCode = part->GetPdgCode();
2941 if(pdgCode<10000) charge = TVirtualMC::GetMC()->TrackCharge();
2943 float z = (pdgCode/10000-100000);
2944 charge = TMath::Abs(z);
2945 //printf(" PDG %d charge %f\n",pdgCode,charge);
2948 if(vol[0]==1 || vol[0]==4) { // (1) ZN fibres
2949 if(ibe>fNben) ibe=fNben;
2950 out = charge*charge*fTablen[ibeta][ialfa][ibe];
2951 nphe = gRandom->Poisson(out);
2953 //if(ibeta==3) printf("\t %f \t %f \t %f\n",alfa, be, out);
2954 //printf("\t ibeta = %d, ialfa = %d, ibe = %d -> nphe = %d\n\n",ibeta,ialfa,ibe,nphe);
2955 if(mid == fMedSensF1){
2956 hits[7] = nphe; //fLightPMQ
2959 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2963 hits[8] = nphe; //fLightPMC
2965 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2968 else if(vol[0]==2 || vol[0]==5) {// (2) ZP fibres
2969 if(ibe>fNbep) ibe=fNbep;
2970 out = charge*charge*fTablep[ibeta][ialfa][ibe];
2971 nphe = gRandom->Poisson(out);
2972 if(mid == fMedSensF1){
2973 hits[7] = nphe; //fLightPMQ
2976 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2980 hits[8] = nphe; //fLightPMC
2982 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2985 else if(vol[0]==3) { // (3) ZEM fibres
2986 if(ibe>fNbep) ibe=fNbep;
2987 out = charge*charge*fTablep[ibeta][ialfa][ibe];
2988 TVirtualMC::GetMC()->TrackPosition(s[0],s[1],s[2]);
2993 // z-coordinate from ZEM front face
2994 // NB-> fPosZEM[2]+fZEMLength = -1000.+2*10.3 = 979.69 cm
2995 Float_t z = -xalic[2]+fPosZEM[2]+2*fZEMLength-xalic[1];
2996 //z = xalic[2]-fPosZEM[2]-fZEMLength-xalic[1]*(TMath::Tan(45.*kDegrad));
2997 //printf(" fPosZEM[2]+2*fZEMLength = %f", fPosZEM[2]+2*fZEMLength);
2999 // Parametrization for light guide uniformity
3000 // NEW!!! Light guide tilted @ 51 degrees
3001 Float_t guiPar[4]={0.31,-0.0006305,0.01337,0.8895};
3002 Float_t guiEff = guiPar[0]*(guiPar[1]*z*z+guiPar[2]*z+guiPar[3]);
3004 nphe = gRandom->Poisson(out);
3005 //printf(" out*guiEff = %f nphe = %d", out, nphe);
3008 hits[8] = nphe; //fLightPMC (ZEM1)
3010 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
3013 hits[7] = nphe; //fLightPMQ (ZEM2)
3016 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);