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 // AliZDCv3 --- 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>
36 #include <TGeoShape.h>
37 #include <TGeoCompositeShape.h>
38 #include <TParticle.h>
40 // --- AliRoot classes
55 //_____________________________________________________________________________
56 AliZDCv3::AliZDCv3() :
84 fVCollSideCAperture(7./2.),
85 fVCollSideCCentreY(0.),
86 fVCollSideAAperture(7./2.),
87 fVCollSideACentreY(0.),
91 // Default constructor for Zero Degree Calorimeter
96 //_____________________________________________________________________________
97 AliZDCv3::AliZDCv3(const char *name, const char *title) :
125 fVCollSideCAperture(7./2.),
126 fVCollSideCCentreY(0.),
127 fVCollSideAAperture(7./2.),
128 fVCollSideACentreY(0.),
132 // Standard constructor for Zero Degree Calorimeter
135 // Check that DIPO, ABSO, DIPO and SHIL is there (otherwise tracking is wrong!!!)
137 AliModule* pipe=gAlice->GetModule("PIPE");
138 AliModule* abso=gAlice->GetModule("ABSO");
139 AliModule* dipo=gAlice->GetModule("DIPO");
140 AliModule* shil=gAlice->GetModule("SHIL");
141 if((!pipe) || (!abso) || (!dipo) || (!shil)) {
142 Error("Constructor","ZDC needs PIPE, ABSO, DIPO and SHIL!!!\n");
147 for(ip=0; ip<4; ip++){
148 for(kp=0; kp<fNalfap; kp++){
149 for(jp=0; jp<fNbep; jp++){
150 fTablep[ip][kp][jp] = 0;
155 for(in=0; in<4; in++){
156 for(kn=0; kn<fNalfan; kn++){
157 for(jn=0; jn<fNben; jn++){
158 fTablen[in][kn][jn] = 0;
163 // Parameters for hadronic calorimeters geometry
164 // Positions updated after post-installation measurements
173 fPosZNC[2] = -11397.3;
176 fPosZPC[2] = -11389.3;
179 fPosZNA[2] = 11395.8;
182 fPosZPA[2] = 11387.8;
189 // Parameters for EM calorimeter geometry
193 Float_t kDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
194 Float_t kDimZEMAir = 0.001; // scotch
195 Float_t kFibRadZEM = 0.0315; // External fiber radius (including cladding)
196 Int_t kDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
197 Float_t kDimZEM0 = 2*kDivZEM[2]*(kDimZEMPb+kDimZEMAir+kFibRadZEM*(TMath::Sqrt(2.)));
198 fZEMLength = kDimZEM0;
202 //_____________________________________________________________________________
203 void AliZDCv3::CreateGeometry()
206 // Create the geometry for the Zero Degree Calorimeter version 2
207 //* Initialize COMMON block ZDC_CGEOM
214 //_____________________________________________________________________________
215 void AliZDCv3::CreateBeamLine()
218 // Create the beam line elements
221 Double_t zd1, zd2, zCorrDip, zInnTrip, zD1, zD2;
222 Double_t conpar[9], tubpar[3], tubspar[5], boxpar[3];
224 //-- rotation matrices for the legs
225 Int_t irotpipe1, irotpipe2;
226 gMC->Matrix(irotpipe1,90.-1.0027,0.,90.,90.,1.0027,180.);
227 gMC->Matrix(irotpipe2,90.+1.0027,0.,90.,90.,1.0027,0.);
230 Int_t *idtmed = fIdtmed->GetArray();
232 ////////////////////////////////////////////////////////////////
234 // SIDE C - RB26 (dimuon side) //
236 ///////////////////////////////////////////////////////////////
239 // -- Mother of the ZDCs (Vacuum PCON)
251 gMC->Gsvolu("ZDCC", "PCON", idtmed[10], conpar, 9);
252 gMC->Gspos("ZDCC", 1, "ALIC", 0., 0., 0., 0, "ONLY");
255 // -- BEAM PIPE from compensator dipole to the beginning of D1)
258 // From beginning of ZDC volumes to beginning of D1
259 tubpar[2] = (5838.3-zd1)/2.;
260 gMC->Gsvolu("QT01", "TUBE", idtmed[7], tubpar, 3);
261 gMC->Gspos("QT01", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
263 //printf(" QT01 TUBE pipe from z = %1.2f to z= %1.2f (D1 beg.)\n",-zd1,-2*tubpar[2]-zd1);
265 //-- BEAM PIPE from the end of D1 to the beginning of D2)
267 //-- FROM MAGNETIC BEGINNING OF D1 TO MAGNETIC END OF D1
268 //-- Cylindrical pipe (r = 3.47) + conical flare
269 // -> Beginning of D1
274 tubpar[2] = (6909.8-zd1)/2.;
275 gMC->Gsvolu("QT02", "TUBE", idtmed[7], tubpar, 3);
276 gMC->Gspos("QT02", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
278 //printf(" QT02 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
284 tubpar[2] = (7022.8-zd1)/2.;
285 gMC->Gsvolu("QT03", "TUBE", idtmed[7], tubpar, 3);
286 gMC->Gspos("QT03", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
288 //printf(" QT03 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
297 gMC->Gsvolu("QC01", "CONE", idtmed[7], conpar, 5);
298 gMC->Gspos("QC01", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
300 //printf(" QC01 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
302 zd1 += conpar[0] * 2.;
304 // ******************************************************
305 // N.B.-> according to last vacuum layout
306 // private communication by D. Macina, mail 27/1/2009
307 // ******************************************************
308 // 2nd section of VCTCQ+VAMTF+TCTVB+VAMTF+TCLIA+VAMTF+1st part of VCTCP
309 Float_t totLength1 = 160.8 + 78. + 148. + 78. + 148. + 78. + 9.3;
313 tubpar[2] = totLength1/2.;
314 gMC->Gsvolu("QE01", "ELTU", idtmed[7], tubpar, 3);
318 tubpar[2] = totLength1/2.;
319 gMC->Gsvolu("QE02", "ELTU", idtmed[10], tubpar, 3);
320 gMC->Gspos("QE01", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
321 gMC->Gspos("QE02", 1, "QE01", 0., 0., 0., 0, "ONLY");
323 //printf(" QE01 ELTU from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
325 // Vertical collimator jaws (defined ONLY if fVCollAperture<3.5!)
326 if(fVCollSideCAperture<3.5){
328 boxpar[1] = (3.5-fVCollSideCAperture-fVCollSideCCentreY-0.7)/2.;
329 if(boxpar[1]<0.) boxpar[1]=0.;
330 boxpar[2] = 124.4/2.;
331 printf("\n AliZDCv3 -> Setting SideC VCollimator jaw: aperture %1.2f center %1.2f mod.thickness %1.3f\n\n",
332 2*fVCollSideCAperture,fVCollSideCCentreY,2*boxpar[1]);
333 gMC->Gsvolu("QCVC" , "BOX ", idtmed[13], boxpar, 3);
334 gMC->Gspos("QCVC", 1, "QE02", -boxpar[0], fVCollSideCAperture+fVCollSideCCentreY+boxpar[1], -totLength1/2.+160.8+78.+148./2., 0, "ONLY");
335 gMC->Gspos("QCVC", 2, "QE02", -boxpar[0], -fVCollSideCAperture+fVCollSideCCentreY-boxpar[1], -totLength1/2.+160.8+78.+148./2., 0, "ONLY");
338 zd1 += tubpar[2] * 2.;
342 conpar[1] = 21.27/2.;
343 conpar[2] = 21.87/2.;
346 gMC->Gsvolu("QC02", "CONE", idtmed[7], conpar, 5);
347 gMC->Gspos("QC02", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
349 //printf(" QC02 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
351 zd1 += conpar[0] * 2.;
353 // 3rd section of VCTCP+VCDWC+VMLGB
354 Float_t totLenght2 = 9.2 + 530.5+40.;
357 tubpar[2] = totLenght2/2.;
358 gMC->Gsvolu("QT04", "TUBE", idtmed[7], tubpar, 3);
359 gMC->Gspos("QT04", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
361 //printf(" QT04 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
363 zd1 += tubpar[2] * 2.;
365 // First part of VCTCD
366 // skewed transition cone from ID=212.7 mm to ID=797 mm
370 conpar[3] = 21.27/2.;
371 conpar[4] = 21.87/2.;
372 gMC->Gsvolu("QC03", "CONE", idtmed[7], conpar, 5);
373 gMC->Gspos("QC03", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
375 //printf(" QC03 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
379 // VCDGB + 1st part of VCTCH
382 tubpar[2] = (5*475.2+97.)/2.;
383 gMC->Gsvolu("QT05", "TUBE", idtmed[7], tubpar, 3);
384 gMC->Gspos("QT05", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
386 //printf(" QT05 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
391 // Transition from ID=797 mm to ID=196 mm:
392 // in order to simulate the thin window opened in the transition cone
393 // we divide the transition cone in three cones:
394 // (1) 8 mm thick (2) 3 mm thick (3) the third 8 mm thick
397 conpar[0] = 9.09/2.; // 15 degree
398 conpar[1] = 74.82868/2.;
399 conpar[2] = 76.42868/2.; // thickness 8 mm
401 conpar[4] = 81.3/2.; // thickness 8 mm
402 gMC->Gsvolu("QC04", "CONE", idtmed[7], conpar, 5);
403 gMC->Gspos("QC04", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
405 //printf(" QC04 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
410 conpar[0] = 96.2/2.; // 15 degree
411 conpar[1] = 23.19588/2.;
412 conpar[2] = 23.79588/2.; // thickness 3 mm
413 conpar[3] = 74.82868/2.;
414 conpar[4] = 75.42868/2.; // thickness 3 mm
415 gMC->Gsvolu("QC05", "CONE", idtmed[7], conpar, 5);
416 gMC->Gspos("QC05", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
418 //printf(" QC05 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
423 conpar[0] = 6.71/2.; // 15 degree
425 conpar[2] = 21.2/2.;// thickness 8 mm
426 conpar[3] = 23.19588/2.;
427 conpar[4] = 24.79588/2.;// thickness 8 mm
428 gMC->Gsvolu("QC06", "CONE", idtmed[7], conpar, 5);
429 gMC->Gspos("QC06", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
431 //printf(" QC06 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
439 gMC->Gsvolu("QT06", "TUBE", idtmed[7], tubpar, 3);
440 gMC->Gspos("QT06", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
442 //printf(" QT06 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
451 gMC->Gsvolu("QC07", "CONE", idtmed[7], conpar, 5);
452 gMC->Gspos("QC07", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
454 //printf(" QC07 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
461 gMC->Gsvolu("QT07", "TUBE", idtmed[7], tubpar, 3);
462 gMC->Gspos("QT07", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
464 //printf(" QT07 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
473 gMC->Gsvolu("QC08", "CONE", idtmed[7], conpar, 5);
474 gMC->Gspos("QC08", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
476 //printf(" QC08 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
483 gMC->Gsvolu("QT08", "TUBE", idtmed[7], tubpar, 3);
484 gMC->Gspos("QT08", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
486 //printf(" QT08 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
490 // Flange (ID=196 mm)(last part of VMZAR and first part of VCTYB)
494 gMC->Gsvolu("QT09", "TUBE", idtmed[7], tubpar, 3);
495 gMC->Gspos("QT09", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
497 //printf(" QT09 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
501 //printf(" Beginning of VCTYB volume @ z = %1.2f \n",-zd1);
503 // simulation of the trousers (VCTYB)
507 gMC->Gsvolu("QT10", "TUBE", idtmed[7], tubpar, 3);
508 gMC->Gspos("QT10", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
510 //printf(" QT10 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
514 // transition cone from ID=196. to ID=216.6
515 conpar[0] = 32.55/2.;
516 conpar[1] = 21.66/2.;
517 conpar[2] = 22.06/2.;
520 gMC->Gsvolu("QC09", "CONE", idtmed[7], conpar, 5);
521 gMC->Gspos("QC09", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
523 //printf(" QC09 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
528 tubpar[0] = 21.66/2.;
529 tubpar[1] = 22.06/2.;
531 gMC->Gsvolu("QT11", "TUBE", idtmed[7], tubpar, 3);
532 gMC->Gspos("QT11", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
534 //printf(" QT11 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
538 //printf(" Beginning of recombination chamber @ z = %f \n",-zd1);
540 // --------------------------------------------------------
541 // RECOMBINATION CHAMBER IMPLEMENTED USING TGeo CLASSES!!!!
542 // author: Chiara (August 2008)
543 // --------------------------------------------------------
544 // TRANSFORMATION MATRICES
545 // Combi transformation:
546 Double_t dx = -3.970000;
547 Double_t dy = 0.000000;
550 Double_t thx = 84.989100; Double_t phx = 180.000000;
551 Double_t thy = 90.000000; Double_t phy = 90.000000;
552 Double_t thz = 185.010900; Double_t phz = 0.000000;
553 TGeoRotation *rotMatrix1c = new TGeoRotation("c",thx,phx,thy,phy,thz,phz);
554 // Combi transformation:
558 TGeoCombiTrans *rotMatrix2c = new TGeoCombiTrans("ZDCC_c1", dx,dy,dz,rotMatrix1c);
559 rotMatrix2c->RegisterYourself();
560 // Combi transformation:
565 thx = 95.010900; phx = 180.000000;
566 thy = 90.000000; phy = 90.000000;
567 thz = 180.-5.010900; phz = 0.000000;
568 TGeoRotation *rotMatrix3c = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
569 TGeoCombiTrans *rotMatrix4c = new TGeoCombiTrans("ZDCC_c2", dx,dy,dz,rotMatrix3c);
570 rotMatrix4c->RegisterYourself();
572 // VOLUMES DEFINITION
574 TGeoVolume *pZDCC = gGeoManager->GetVolume("ZDCC");
576 conpar[0] = (90.1-0.95-0.26-0.0085)/2.;
581 new TGeoCone("QCLext", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
583 conpar[0] = (90.1-0.95-0.26-0.0085)/2.;
588 new TGeoCone("QCLint", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
591 TGeoCompositeShape *pOutTrousersC = new TGeoCompositeShape("outTrousersC", "QCLext:ZDCC_c1+QCLext:ZDCC_c2");
594 TGeoMedium *medZDCFe = gGeoManager->GetMedium("ZDC_ZIRONT");
595 TGeoVolume *pQCLext = new TGeoVolume("QCLext",pOutTrousersC, medZDCFe);
596 pQCLext->SetLineColor(kGreen);
597 pQCLext->SetVisLeaves(kTRUE);
599 TGeoTranslation *tr1c = new TGeoTranslation(0., 0., (Double_t) -conpar[0]-0.95-zd1);
600 //printf(" Recombination chamber from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-0.95-zd1);
602 pZDCC->AddNode(pQCLext, 1, tr1c);
604 TGeoCompositeShape *pIntTrousersC = new TGeoCompositeShape("intTrousersC", "QCLint:ZDCC_c1+QCLint:ZDCC_c2");
606 TGeoMedium *medZDCvoid = gGeoManager->GetMedium("ZDC_ZVOID");
607 TGeoVolume *pQCLint = new TGeoVolume("QCLint",pIntTrousersC, medZDCvoid);
608 pQCLint->SetLineColor(kTeal);
609 pQCLint->SetVisLeaves(kTRUE);
610 pQCLext->AddNode(pQCLint, 1);
613 Double_t offset = 0.5;
616 // second section : 2 tubes (ID = 54. OD = 58.)
620 gMC->Gsvolu("QT12", "TUBE", idtmed[7], tubpar, 3);
621 gMC->Gspos("QT12", 1, "ZDCC", -15.8/2., 0., -tubpar[2]-zd1, 0, "ONLY");
622 gMC->Gspos("QT12", 2, "ZDCC", 15.8/2., 0., -tubpar[2]-zd1, 0, "ONLY");
624 //printf(" QT12 TUBE from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
628 // transition x2zdc to recombination chamber : skewed cone
629 conpar[0] = (10.-0.2-offset)/2.;
634 gMC->Gsvolu("QC10", "CONE", idtmed[7], conpar, 5);
635 gMC->Gspos("QC10", 1, "ZDCC", -7.9-0.175, 0., -conpar[0]-0.1-zd1, irotpipe1, "ONLY");
636 gMC->Gspos("QC10", 2, "ZDCC", 7.9+0.175, 0., -conpar[0]-0.1-zd1, irotpipe2, "ONLY");
637 //printf(" QC10 CONE from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-0.2-zd1);
639 zd1 += 2.*conpar[0]+0.2;
641 // 2 tubes (ID = 63 mm OD=70 mm)
644 tubpar[2] = 639.8/2.;
645 gMC->Gsvolu("QT13", "TUBE", idtmed[7], tubpar, 3);
646 gMC->Gspos("QT13", 1, "ZDCC", -16.5/2., 0., -tubpar[2]-zd1, 0, "ONLY");
647 gMC->Gspos("QT13", 2, "ZDCC", 16.5/2., 0., -tubpar[2]-zd1, 0, "ONLY");
648 //printf(" QT13 TUBE from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
651 //printf(" END OF SIDE C BEAM PIPE DEFINITION @ z = %f\n",-zd1);
654 // -- Luminometer (Cu box) in front of ZN - side C
657 boxpar[2] = fLumiLength/2.;
658 gMC->Gsvolu("QLUC", "BOX ", idtmed[9], boxpar, 3);
659 gMC->Gspos("QLUC", 1, "ZDCC", 0., 0., fPosZNC[2]+66.+boxpar[2], 0, "ONLY");
660 //printf(" QLUC LUMINOMETER from z = %1.2f to z= %1.2f\n", fPosZNC[2]+66., fPosZNC[2]+66.+2*boxpar[2]);
662 // -- END OF BEAM PIPE VOLUME DEFINITION FOR SIDE C (RB26 SIDE)
663 // ----------------------------------------------------------------
665 ////////////////////////////////////////////////////////////////
669 ///////////////////////////////////////////////////////////////
671 // Rotation Matrices definition
672 Int_t irotpipe3, irotpipe4, irotpipe5;
673 //-- rotation matrices for the tilted cone after the TDI to recenter vacuum chamber
674 gMC->Matrix(irotpipe3,90.-1.8934,0.,90.,90.,1.8934,180.);
675 //-- rotation matrices for the tilted tube before and after the TDI
676 gMC->Matrix(irotpipe4,90.-3.8,0.,90.,90.,3.8,180.);
677 //-- rotation matrix for the tilted cone after the TDI
678 gMC->Matrix(irotpipe5,90.+9.8,0.,90.,90.,9.8,0.);
680 // -- Mother of the ZDCs (Vacuum PCON)
681 zd2 = 1910.22;// zd2 initial value
692 gMC->Gsvolu("ZDCA", "PCON", idtmed[10], conpar, 9);
693 gMC->Gspos("ZDCA", 1, "ALIC", 0., 0., 0., 0, "ONLY");
695 // To avoid overlaps 1 micron are left between certain volumes!
696 Double_t dxNoOverlap = 0.0;
697 //zd2 += dxNoOverlap;
699 // BEAM PIPE from 19.10 m to inner triplet beginning (22.965 m)
702 tubpar[2] = 386.28/2. - dxNoOverlap;
703 gMC->Gsvolu("QA01", "TUBE", idtmed[7], tubpar, 3);
704 gMC->Gspos("QA01", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
706 //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);
710 // -- FIRST SECTION OF THE BEAM PIPE (from beginning of inner triplet to
714 tubpar[2] = 3541.8/2. - dxNoOverlap;
715 gMC->Gsvolu("QA02", "TUBE", idtmed[7], tubpar, 3);
716 gMC->Gspos("QA02", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
718 //printf(" QA02 TUBE from z = %1.2f to z= %1.2f (D1 begin)\n",zd2,2*tubpar[2]+zd2);
723 // -- SECOND SECTION OF THE BEAM PIPE (from the beginning of D1 to the beginning of D2)
725 // FROM (MAGNETIC) BEGINNING OF D1 TO THE (MAGNETIC) END OF D1 + 126.5 cm
726 // CYLINDRICAL PIPE of diameter increasing from 6.75 cm up to 8.0 cm
727 // from magnetic end :
728 // 1) 80.1 cm still with ID = 6.75 radial beam screen
729 // 2) 2.5 cm conical section from ID = 6.75 to ID = 8.0 cm
730 // 3) 43.9 cm straight section (tube) with ID = 8.0 cm
734 tubpar[2] = (945.0+80.1)/2.;
735 gMC->Gsvolu("QA03", "TUBE", idtmed[7], tubpar, 3);
736 gMC->Gspos("QA03", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
738 //printf(" QA03 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
742 // Transition Cone from ID=67.5 mm to ID=80 mm
748 gMC->Gsvolu("QA04", "CONE", idtmed[7], conpar, 5);
749 gMC->Gspos("QA04", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
750 //printf(" QA04 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
756 tubpar[2] = (43.9+20.+28.5+28.5)/2.;
757 gMC->Gsvolu("QA05", "TUBE", idtmed[7], tubpar, 3);
758 gMC->Gspos("QA05", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
760 //printf(" QA05 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
764 // Second section of VAEHI (transition cone from ID=80mm to ID=98mm)
770 gMC->Gsvolu("QAV1", "CONE", idtmed[7], conpar, 5);
771 gMC->Gspos("QAV1", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
772 //printf(" QAV1 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
776 //Third section of VAEHI (transition cone from ID=98mm to ID=90mm)
782 gMC->Gsvolu("QAV2", "CONE", idtmed[7], conpar, 5);
783 gMC->Gspos("QAV2", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
784 //printf(" QAV2 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
788 // Fourth section of VAEHI (tube ID=90mm)
792 gMC->Gsvolu("QAV3", "TUBE", idtmed[7], tubpar, 3);
793 gMC->Gspos("QAV3", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
795 //printf(" QAV3 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
799 //---------------------------- TCDD beginning ----------------------------------
800 // space for the insertion of the collimator TCDD (2 m)
801 // TCDD ZONE - 1st volume
807 gMC->Gsvolu("Q01T", "CONE", idtmed[7], conpar, 5);
808 gMC->Gspos("Q01T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
809 //printf(" Q01T CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
813 // TCDD ZONE - 2nd volume
817 gMC->Gsvolu("Q02T", "TUBE", idtmed[7], tubpar, 3);
818 gMC->Gspos("Q02T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
820 //printf(" Q02T TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
824 // TCDD ZONE - third volume
830 gMC->Gsvolu("Q03T", "CONE", idtmed[7], conpar, 5);
831 gMC->Gspos("Q03T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
832 //printf(" Q03T CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
836 // TCDD ZONE - 4th volume
840 gMC->Gsvolu("Q04T", "TUBE", idtmed[7], tubpar, 3);
841 gMC->Gspos("Q04T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
843 //printf(" Q04T TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
847 // TCDD ZONE - 5th volume
850 tubpar[2] = 100.12/2.;
851 gMC->Gsvolu("Q05T", "TUBE", idtmed[7], tubpar, 3);
852 gMC->Gspos("Q05T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
854 //printf(" Q05T TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
858 // TCDD ZONE - 6th volume
862 gMC->Gsvolu("Q06T", "TUBE", idtmed[7], tubpar, 3);
863 gMC->Gspos("Q06T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
865 //printf(" Q06T TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
869 // TCDD ZONE - 7th volume
870 conpar[0] = 11.34/2.;
875 gMC->Gsvolu("Q07T", "CONE", idtmed[7], conpar, 5);
876 gMC->Gspos("Q07T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
877 //printf(" Q07T CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
881 // Upper section : one single phi segment of a tube
882 // 5 parameters for tubs: inner radius = 0.,
883 // outer radius = 7. cm, half length = 50 cm
884 // phi1 = 0., phi2 = 180.
886 tubspar[1] = 14.0/2.;
887 tubspar[2] = 100.0/2.;
890 gMC->Gsvolu("Q08T", "TUBS", idtmed[7], tubspar, 5);
892 //printf(" upper part : one single phi segment of a tube (Q08T)\n");
894 // rectangular beam pipe inside TCDD upper section (Vacuum)
898 gMC->Gsvolu("Q09T", "BOX ", idtmed[10], boxpar, 3);
899 // positioning vacuum box in the upper section of TCDD
900 gMC->Gspos("Q09T", 1, "Q08T", 0., 1.1, 0., 0, "ONLY");
902 // lower section : one single phi segment of a tube
904 tubspar[1] = 14.0/2.;
905 tubspar[2] = 100.0/2.;
908 gMC->Gsvolu("Q10T", "TUBS", idtmed[7], tubspar, 5);
909 // rectangular beam pipe inside TCDD lower section (Vacuum)
913 gMC->Gsvolu("Q11T", "BOX ", idtmed[10], boxpar, 3);
914 // positioning vacuum box in the lower section of TCDD
915 gMC->Gspos("Q11T", 1, "Q10T", 0., -1.1, 0., 0, "ONLY");
917 // positioning TCDD elements in ZDCA, (inside TCDD volume)
918 gMC->Gspos("Q08T", 1, "ZDCA", 0., 2., -100.+zd2, 0, "ONLY");
919 gMC->Gspos("Q10T", 1, "ZDCA", 0., -2., -100.+zd2, 0, "ONLY");
925 gMC->Gsvolu("Q12T", "BOX ", idtmed[7], boxpar, 3);
926 // positioning RF screen at both sides of TCDD
927 gMC->Gspos("Q12T", 1, "ZDCA", tubspar[1]+boxpar[0], 0., -100.+zd2, 0, "ONLY");
928 gMC->Gspos("Q12T", 2, "ZDCA", -tubspar[1]-boxpar[0], 0., -100.+zd2, 0, "ONLY");
929 //---------------------------- TCDD end ---------------------------------------
931 // The following elliptical tube 180 mm x 70 mm
932 // (obtained positioning the void QA09 in QA08)
933 // represents VMTSA (780 mm) + space reserved to the TCTVB (1480 mm)+
934 // VMTSA (780 mm) + first part of VCTCP (93 mm)
938 tubpar[2] = 313.3/2.;
939 gMC->Gsvolu("QA06", "ELTU", idtmed[7], tubpar, 3);
940 //printf(" QA06 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
944 tubpar[2] = 313.3/2.;
945 gMC->Gsvolu("QA07", "ELTU", idtmed[10], tubpar, 3);
946 //printf(" QA07 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
947 gMC->Gspos("QA06", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
948 gMC->Gspos("QA07", 1, "QA06", 0., 0., 0., 0, "ONLY");
950 // Vertical collimator jaws (defined ONLY if fVCollAperture<3.5!)
951 if(fVCollSideAAperture<3.5){
953 boxpar[1] = (3.5-fVCollSideAAperture-fVCollSideACentreY-0.7)/2.;
954 if(boxpar[1]<0.) boxpar[1]=0.;
955 boxpar[2] = 124.4/2.;
956 gMC->Gsvolu("QCVA" , "BOX ", idtmed[13], boxpar, 3);
957 gMC->Gspos("QCVA", 1, "QA07", -boxpar[0], fVCollSideAAperture+fVCollSideACentreY+boxpar[1], -313.3/2.+78.+148./2., 0, "ONLY");
958 gMC->Gspos("QCVA", 2, "QA07", -boxpar[0], -fVCollSideAAperture+fVCollSideACentreY-boxpar[1], -313.3/2.+78.+148./2., 0, "ONLY");
963 // VCTCP second part: transition cone from ID=180 to ID=212.7
967 conpar[3] = 21.27/2.;
968 conpar[4] = 21.87/2.;
969 gMC->Gsvolu("QA08", "CONE", idtmed[7], conpar, 5);
970 gMC->Gspos("QA08", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
972 //printf(" QA08 CONE from z = %Third part of VCTCR: tube (ID=196 mm) f to z = %f\n",zd2,2*conpar[0]+zd2);
977 // Represents VCTCP third part (92 mm) + VCDWB (765 mm) + VMBGA (400 mm) +
978 // VCDWE (300 mm) + VMBGA (400 mm)
979 tubpar[0] = 21.27/2.;
980 tubpar[1] = 21.87/2.;
981 tubpar[2] = 195.7/2.;
982 gMC->Gsvolu("QA09", "TUBE", idtmed[7], tubpar, 3);
983 gMC->Gspos("QA09", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
984 //printf(" QA09 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
988 // skewed transition piece (ID=212.7 mm to 332 mm) (before TDI)
989 conpar[0] = (50.0-0.73-1.13)/2.;
990 conpar[1] = 21.27/2.;
991 conpar[2] = 21.87/2.;
994 gMC->Gsvolu("QA10", "CONE", idtmed[7], conpar, 5);
995 gMC->Gspos("QA10", 1, "ZDCA", -1.66, 0., conpar[0]+0.73+zd2, irotpipe4, "ONLY");
997 //printf(" QA10 skewed CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+0.73+1.13+zd2);
999 zd2 += 2.*conpar[0]+0.73+1.13;
1001 // Vacuum chamber containing TDI
1003 tubpar[1] = 54.6/2.;
1004 tubpar[2] = 540.0/2.;
1005 gMC->Gsvolu("Q13TM", "TUBE", idtmed[10], tubpar, 3);
1006 gMC->Gspos("Q13TM", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1007 tubpar[0] = 54.0/2.;
1008 tubpar[1] = 54.6/2.;
1009 tubpar[2] = 540.0/2.;
1010 gMC->Gsvolu("Q13T", "TUBE", idtmed[7], tubpar, 3);
1011 gMC->Gspos("Q13T", 1, "Q13TM", 0., 0., 0., 0, "ONLY");
1013 //printf(" Q13T TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1015 zd2 += 2.*tubpar[2];
1017 //---------------- INSERT TDI INSIDE Q13T -----------------------------------
1018 boxpar[0] = 11.0/2.;
1020 boxpar[2] = 540.0/2.;
1021 gMC->Gsvolu("QTD1", "BOX ", idtmed[7], boxpar, 3);
1022 gMC->Gspos("QTD1", 1, "Q13TM", -3.8, 10.5, 0., 0, "ONLY");
1023 boxpar[0] = 11.0/2.;
1025 boxpar[2] = 540.0/2.;
1026 gMC->Gsvolu("QTD2", "BOX ", idtmed[7], boxpar, 3);
1027 gMC->Gspos("QTD2", 1, "Q13TM", -3.8, -10.5, 0., 0, "ONLY");
1030 boxpar[2] = 540.0/2.;
1031 gMC->Gsvolu("QTD3", "BOX ", idtmed[7], boxpar, 3);
1032 gMC->Gspos("QTD3", 1, "Q13TM", -3.8+5.5+boxpar[0], 6.1, 0., 0, "ONLY");
1033 gMC->Gspos("QTD3", 2, "Q13TM", -3.8+5.5+boxpar[0], -6.1, 0., 0, "ONLY");
1034 gMC->Gspos("QTD3", 3, "Q13TM", -3.8-5.5-boxpar[0], 6.1, 0., 0, "ONLY");
1035 gMC->Gspos("QTD3", 4, "Q13TM", -3.8-5.5-boxpar[0], -6.1, 0., 0, "ONLY");
1037 tubspar[0] = 12.0/2.;
1038 tubspar[1] = 12.4/2.;
1039 tubspar[2] = 540.0/2.;
1042 gMC->Gsvolu("QTD4", "TUBS", idtmed[7], tubspar, 5);
1043 gMC->Gspos("QTD4", 1, "Q13TM", -3.8-10.6, 0., 0., 0, "ONLY");
1044 tubspar[0] = 12.0/2.;
1045 tubspar[1] = 12.4/2.;
1046 tubspar[2] = 540.0/2.;
1049 gMC->Gsvolu("QTD5", "TUBS", idtmed[7], tubspar, 5);
1050 gMC->Gspos("QTD5", 1, "Q13TM", -3.8+10.6, 0., 0., 0, "ONLY");
1051 //---------------- END DEFINING TDI INSIDE Q13T -------------------------------
1053 // VCTCG skewed transition piece (ID=332 mm to 212.7 mm) (after TDI)
1054 conpar[0] = (50.0-2.92-1.89)/2.;
1055 conpar[1] = 33.2/2.;
1056 conpar[2] = 33.8/2.;
1057 conpar[3] = 21.27/2.;
1058 conpar[4] = 21.87/2.;
1059 gMC->Gsvolu("QA11", "CONE", idtmed[7], conpar, 5);
1060 gMC->Gspos("QA11", 1, "ZDCA", 4.32-3.8, 0., conpar[0]+2.92+zd2, irotpipe5, "ONLY");
1062 //printf(" QA11 skewed CONE from z = %f to z =%f\n",zd2,2*conpar[0]+2.92+1.89+zd2);
1064 zd2 += 2.*conpar[0]+2.92+1.89;
1066 // The following tube ID 212.7 mm
1067 // represents VMBGA (400 mm) + VCDWE (300 mm) + VMBGA (400 mm) +
1068 // BTVTS (600 mm) + VMLGB (400 mm)
1069 tubpar[0] = 21.27/2.;
1070 tubpar[1] = 21.87/2.;
1071 tubpar[2] = 210.0/2.;
1072 gMC->Gsvolu("QA12", "TUBE", idtmed[7], tubpar, 3);
1073 gMC->Gspos("QA12", 1, "ZDCA", 4., 0., tubpar[2]+zd2, 0, "ONLY");
1075 //printf(" QA12 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1077 zd2 += 2.*tubpar[2];
1079 // First part of VCTCC
1080 // skewed transition cone from ID=212.7 mm to ID=797 mm
1081 conpar[0] = (121.0-0.37-1.35)/2.;
1082 conpar[1] = 21.27/2.;
1083 conpar[2] = 21.87/2.;
1084 conpar[3] = 79.7/2.;
1085 conpar[4] = 81.3/2.;
1086 gMC->Gsvolu("QA13", "CONE", idtmed[7], conpar, 5);
1087 gMC->Gspos("QA13", 1, "ZDCA", 4.-2., 0., conpar[0]+0.37+zd2, irotpipe3, "ONLY");
1089 //printf(" QA13 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+0.37+1.35+zd2);
1091 zd2 += 2.*conpar[0]+0.37+1.35;
1093 // The following tube ID 797 mm --- (volume QA16)
1094 // represents the second part of VCTCC (4272 mm) +
1095 // 4 x VCDGA (4 x 4272 mm) +
1096 // the first part of VCTCR (850 mm)
1097 tubpar[0] = 79.7/2.;
1098 tubpar[1] = 81.3/2.;
1099 tubpar[2] = 2221./2.;
1100 gMC->Gsvolu("QA14", "TUBE", idtmed[7], tubpar, 3);
1101 gMC->Gspos("QA14", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1103 //printf(" QA14 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1105 zd2 += 2.*tubpar[2];
1107 // Second part of VCTCR
1108 // Transition from ID=797 mm to ID=196 mm:
1109 // in order to simulate the thin window opened in the transition cone
1110 // we divide the transition cone in three cones:
1111 // (1) 8 mm thick (2) 3 mm thick (3) the third 8 mm thick
1114 conpar[0] = 9.09/2.; // 15 degree
1115 conpar[1] = 79.7/2.;
1116 conpar[2] = 81.3/2.; // thickness 8 mm
1117 conpar[3] = 74.82868/2.;
1118 conpar[4] = 76.42868/2.; // thickness 8 mm
1119 gMC->Gsvolu("QA15", "CONE", idtmed[7], conpar, 5);
1120 gMC->Gspos("QA15", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1121 //printf(" QA15 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1123 zd2 += 2.*conpar[0];
1126 conpar[0] = 96.2/2.; // 15 degree
1127 conpar[1] = 74.82868/2.;
1128 conpar[2] = 75.42868/2.; // thickness 3 mm
1129 conpar[3] = 23.19588/2.;
1130 conpar[4] = 23.79588/2.; // thickness 3 mm
1131 gMC->Gsvolu("QA16", "CONE", idtmed[7], conpar, 5);
1132 gMC->Gspos("QA16", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1133 //printf(" QA16 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1135 zd2 += 2.*conpar[0];
1138 conpar[0] = 6.71/2.; // 15 degree
1139 conpar[1] = 23.19588/2.;
1140 conpar[2] = 24.79588/2.;// thickness 8 mm
1141 conpar[3] = 19.6/2.;
1142 conpar[4] = 21.2/2.;// thickness 8 mm
1143 gMC->Gsvolu("QA17", "CONE", idtmed[7], conpar, 5);
1144 gMC->Gspos("QA17", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1145 //printf(" QA19 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1147 zd2 += 2.*conpar[0];
1149 // Third part of VCTCR: tube (ID=196 mm)
1150 tubpar[0] = 19.6/2.;
1151 tubpar[1] = 21.2/2.;
1152 tubpar[2] = 9.55/2.;
1153 gMC->Gsvolu("QA18", "TUBE", idtmed[7], tubpar, 3);
1154 gMC->Gspos("QA18", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1156 //printf(" QA18 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1158 zd2 += 2.*tubpar[2];
1160 // Flange (ID=196 mm) (last part of VCTCR and first part of VMZAR)
1161 tubpar[0] = 19.6/2.;
1162 tubpar[1] = 25.3/2.;
1164 gMC->Gsvolu("QF01", "TUBE", idtmed[7], tubpar, 3);
1165 gMC->Gspos("QF01", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1167 //printf(" QF01 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1169 zd2 += 2.*tubpar[2];
1171 // VMZAR (5 volumes)
1172 tubpar[0] = 20.2/2.;
1173 tubpar[1] = 20.6/2.;
1174 tubpar[2] = 2.15/2.;
1175 gMC->Gsvolu("QA19", "TUBE", idtmed[7], tubpar, 3);
1176 gMC->Gspos("QA19", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1178 //printf(" QA19 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1180 zd2 += 2.*tubpar[2];
1183 conpar[1] = 20.2/2.;
1184 conpar[2] = 20.6/2.;
1185 conpar[3] = 23.9/2.;
1186 conpar[4] = 24.3/2.;
1187 gMC->Gsvolu("QA20", "CONE", idtmed[7], conpar, 5);
1188 gMC->Gspos("QA20", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1190 //printf(" QA20 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1192 zd2 += 2.*conpar[0];
1194 tubpar[0] = 23.9/2.;
1195 tubpar[1] = 25.5/2.;
1196 tubpar[2] = 17.0/2.;
1197 gMC->Gsvolu("QA21", "TUBE", idtmed[7], tubpar, 3);
1198 gMC->Gspos("QA21", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1200 //printf(" QA21 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1202 zd2 += 2.*tubpar[2];
1205 conpar[1] = 23.9/2.;
1206 conpar[2] = 24.3/2.;
1207 conpar[3] = 20.2/2.;
1208 conpar[4] = 20.6/2.;
1209 gMC->Gsvolu("QA22", "CONE", idtmed[7], conpar, 5);
1210 gMC->Gspos("QA22", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1212 //printf(" QA22 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1214 zd2 += 2.*conpar[0];
1216 tubpar[0] = 20.2/2.;
1217 tubpar[1] = 20.6/2.;
1218 tubpar[2] = 2.15/2.;
1219 gMC->Gsvolu("QA23", "TUBE", idtmed[7], tubpar, 3);
1220 gMC->Gspos("QA23", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1222 //printf(" QA23 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1224 zd2 += 2.*tubpar[2];
1226 // Flange (ID=196 mm)(last part of VMZAR and first part of VCTYD)
1227 tubpar[0] = 19.6/2.;
1228 tubpar[1] = 25.3/2.;
1230 gMC->Gsvolu("QF02", "TUBE", idtmed[7], tubpar, 3);
1231 gMC->Gspos("QF02", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1233 //printf(" QF02 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1235 zd2 += 2.*tubpar[2];
1237 // simulation of the trousers (VCTYB)
1238 tubpar[0] = 19.6/2.;
1239 tubpar[1] = 20.0/2.;
1241 gMC->Gsvolu("QA24", "TUBE", idtmed[7], tubpar, 3);
1242 gMC->Gspos("QA24", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1244 //printf(" QA24 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1246 zd2 += 2.*tubpar[2];
1248 // transition cone from ID=196. to ID=216.6
1249 conpar[0] = 32.55/2.;
1250 conpar[1] = 19.6/2.;
1251 conpar[2] = 20.0/2.;
1252 conpar[3] = 21.66/2.;
1253 conpar[4] = 22.06/2.;
1254 gMC->Gsvolu("QA25", "CONE", idtmed[7], conpar, 5);
1255 gMC->Gspos("QA25", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1257 //printf(" QA25 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1259 zd2 += 2.*conpar[0];
1262 tubpar[0] = 21.66/2.;
1263 tubpar[1] = 22.06/2.;
1264 tubpar[2] = 28.6/2.;
1265 gMC->Gsvolu("QA26", "TUBE", idtmed[7], tubpar, 3);
1266 gMC->Gspos("QA26", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1268 //printf(" QA26 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1270 zd2 += 2.*tubpar[2];
1272 // --------------------------------------------------------
1273 // RECOMBINATION CHAMBER IMPLEMENTED USING TGeo CLASSES!!!!
1274 // author: Chiara (June 2008)
1275 // --------------------------------------------------------
1276 // TRANSFORMATION MATRICES
1277 // Combi transformation:
1282 thx = 84.989100; phx = 0.000000;
1283 thy = 90.000000; phy = 90.000000;
1284 thz = 5.010900; phz = 180.000000;
1285 TGeoRotation *rotMatrix1 = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
1286 // Combi transformation:
1290 TGeoCombiTrans *rotMatrix2 = new TGeoCombiTrans("ZDC_c1", dx,dy,dz,rotMatrix1);
1291 rotMatrix2->RegisterYourself();
1292 // Combi transformation:
1297 thx = 95.010900; phx = 0.000000;
1298 thy = 90.000000; phy = 90.000000;
1299 thz = 5.010900; phz = 0.000000;
1300 TGeoRotation *rotMatrix3 = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
1301 TGeoCombiTrans *rotMatrix4 = new TGeoCombiTrans("ZDC_c2", dx,dy,dz,rotMatrix3);
1302 rotMatrix4->RegisterYourself();
1305 // VOLUMES DEFINITION
1307 TGeoVolume *pZDCA = gGeoManager->GetVolume("ZDCA");
1309 conpar[0] = (90.1-0.95-0.26)/2.;
1311 conpar[2] = 21.6/2.;
1314 new TGeoCone("QALext", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
1316 conpar[0] = (90.1-0.95-0.26)/2.;
1318 conpar[2] = 21.2/2.;
1321 new TGeoCone("QALint", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
1324 TGeoCompositeShape *pOutTrousers = new TGeoCompositeShape("outTrousers", "QALext:ZDC_c1+QALext:ZDC_c2");
1327 //TGeoMedium *medZDCFe = gGeoManager->GetMedium("ZDC_ZIRON");
1328 TGeoVolume *pQALext = new TGeoVolume("QALext",pOutTrousers, medZDCFe);
1329 pQALext->SetLineColor(kBlue);
1330 pQALext->SetVisLeaves(kTRUE);
1332 TGeoTranslation *tr1 = new TGeoTranslation(0., 0., (Double_t) conpar[0]+0.95+zd2);
1333 pZDCA->AddNode(pQALext, 1, tr1);
1335 TGeoCompositeShape *pIntTrousers = new TGeoCompositeShape("intTrousers", "QALint:ZDC_c1+QALint:ZDC_c2");
1337 //TGeoMedium *medZDCvoid = gGeoManager->GetMedium("ZDC_ZVOID");
1338 TGeoVolume *pQALint = new TGeoVolume("QALint",pIntTrousers, medZDCvoid);
1339 pQALint->SetLineColor(kAzure);
1340 pQALint->SetVisLeaves(kTRUE);
1341 pQALext->AddNode(pQALint, 1);
1345 // second section : 2 tubes (ID = 54. OD = 58.)
1348 tubpar[2] = 40.0/2.;
1349 gMC->Gsvolu("QA27", "TUBE", idtmed[7], tubpar, 3);
1350 gMC->Gspos("QA27", 1, "ZDCA", -15.8/2., 0., tubpar[2]+zd2, 0, "ONLY");
1351 gMC->Gspos("QA27", 2, "ZDCA", 15.8/2., 0., tubpar[2]+zd2, 0, "ONLY");
1353 //printf(" QA27 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1355 zd2 += 2.*tubpar[2];
1357 // transition x2zdc to recombination chamber : skewed cone
1358 conpar[0] = (10.-1.)/2.;
1363 gMC->Gsvolu("QA28", "CONE", idtmed[7], conpar, 5);
1364 gMC->Gspos("QA28", 1, "ZDCA", -7.9-0.175, 0., conpar[0]+0.5+zd2, irotpipe1, "ONLY");
1365 gMC->Gspos("QA28", 2, "ZDCA", 7.9+0.175, 0., conpar[0]+0.5+zd2, irotpipe2, "ONLY");
1366 //printf(" QA28 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+0.2+zd2);
1368 zd2 += 2.*conpar[0]+1.;
1370 // 2 tubes (ID = 63 mm OD=70 mm)
1373 tubpar[2] = (342.5+498.3)/2.;
1374 gMC->Gsvolu("QA29", "TUBE", idtmed[7], tubpar, 3);
1375 gMC->Gspos("QA29", 1, "ZDCA", -16.5/2., 0., tubpar[2]+zd2, 0, "ONLY");
1376 gMC->Gspos("QA29", 2, "ZDCA", 16.5/2., 0., tubpar[2]+zd2, 0, "ONLY");
1377 //printf(" QA29 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1379 zd2 += 2.*tubpar[2];
1381 // -- Luminometer (Cu box) in front of ZN - side A
1384 boxpar[2] = fLumiLength/2.;
1385 gMC->Gsvolu("QLUA", "BOX ", idtmed[9], boxpar, 3);
1386 gMC->Gspos("QLUA", 1, "ZDCA", 0., 0., fPosZNA[2]-66.-boxpar[2], 0, "ONLY");
1387 //printf(" QLUA LUMINOMETER from z = %1.2f to z= %1.2f\n\n", fPosZNA[2]-66., fPosZNA[2]-66.-2*boxpar[2]);
1389 //printf(" END OF BEAM PIPE VOLUME DEFINITION AT z = %f\n",zd2);
1392 // ----------------------------------------------------------------
1393 // -- MAGNET DEFINITION -> LHC OPTICS 6.5
1394 // ----------------------------------------------------------------
1395 // ***************************************************************
1396 // SIDE C - RB26 (dimuon side)
1397 // ***************************************************************
1398 // -- COMPENSATOR DIPOLE (MBXW)
1401 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1404 tubpar[2] = 153./2.;
1405 gMC->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3);
1410 tubpar[2] = 153./2.;
1411 gMC->Gsvolu("YMBX", "TUBE", idtmed[7], tubpar, 3);
1413 gMC->Gspos("MBXW", 1, "ZDCC", 0., 0., -tubpar[2]-zCorrDip, 0, "ONLY");
1414 gMC->Gspos("YMBX", 1, "ZDCC", 0., 0., -tubpar[2]-zCorrDip, 0, "ONLY");
1420 // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT
1422 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1425 tubpar[2] = 637./2.;
1426 gMC->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3);
1431 tubpar[2] = 637./2.;
1432 gMC->Gsvolu("YMQL", "TUBE", idtmed[7], tubpar, 3);
1434 gMC->Gspos("MQXL", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip, 0, "ONLY");
1435 gMC->Gspos("YMQL", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip, 0, "ONLY");
1437 gMC->Gspos("MQXL", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-2400., 0, "ONLY");
1438 gMC->Gspos("YMQL", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-2400., 0, "ONLY");
1441 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1444 tubpar[2] = 550./2.;
1445 gMC->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3);
1450 tubpar[2] = 550./2.;
1451 gMC->Gsvolu("YMQ ", "TUBE", idtmed[7], tubpar, 3);
1453 gMC->Gspos("MQX ", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-908.5, 0, "ONLY");
1454 gMC->Gspos("YMQ ", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-908.5, 0, "ONLY");
1456 gMC->Gspos("MQX ", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-1558.5, 0, "ONLY");
1457 gMC->Gspos("YMQ ", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-1558.5, 0, "ONLY");
1459 // -- SEPARATOR DIPOLE D1
1462 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1465 tubpar[2] = 945./2.;
1466 gMC->Gsvolu("MD1 ", "TUBE", idtmed[11], tubpar, 3);
1468 // -- Insert horizontal Cu plates inside D1
1469 // -- (to simulate the vacuum chamber)
1470 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.98+0.2)*(2.98+0.2)) - 0.05;
1472 boxpar[2] = 945./2.;
1473 gMC->Gsvolu("MD1V", "BOX ", idtmed[6], boxpar, 3);
1474 gMC->Gspos("MD1V", 1, "MD1 ", 0., 2.98+boxpar[1], 0., 0, "ONLY");
1475 gMC->Gspos("MD1V", 2, "MD1 ", 0., -2.98-boxpar[1], 0., 0, "ONLY");
1479 tubpar[1] = 110./2.;
1480 tubpar[2] = 945./2.;
1481 gMC->Gsvolu("YD1 ", "TUBE", idtmed[7], tubpar, 3);
1483 gMC->Gspos("YD1 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD1, 0, "ONLY");
1484 gMC->Gspos("MD1 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD1, 0, "ONLY");
1486 //printf(" MD1 from z = %1.2f to z= %1.2f cm\n",-zD1, -zD1-2*tubpar[2]);
1490 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1493 tubpar[2] = 945./2.;
1494 gMC->Gsvolu("MD2 ", "TUBE", idtmed[11], tubpar, 3);
1499 tubpar[2] = 945./2.;
1500 gMC->Gsvolu("YD2 ", "TUBE", idtmed[7], tubpar, 3);
1502 gMC->Gspos("YD2 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD2, 0, "ONLY");
1504 //printf(" YD2 from z = %1.2f to z= %1.2f cm\n",-zD2, -zD2-2*tubpar[2]);
1506 gMC->Gspos("MD2 ", 1, "YD2 ", -9.4, 0., 0., 0, "ONLY");
1507 gMC->Gspos("MD2 ", 2, "YD2 ", 9.4, 0., 0., 0, "ONLY");
1509 // ***************************************************************
1511 // ***************************************************************
1513 // COMPENSATOR DIPOLE (MCBWA) (2nd compensator)
1514 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1517 tubpar[2] = 153./2.;
1518 gMC->Gsvolu("MCBW", "TUBE", idtmed[11], tubpar, 3);
1519 gMC->Gspos("MCBW", 1, "ZDCA", 0., 0., tubpar[2]+zCorrDip, 0, "ONLY");
1524 tubpar[2] = 153./2.;
1525 gMC->Gsvolu("YMCB", "TUBE", idtmed[7], tubpar, 3);
1526 gMC->Gspos("YMCB", 1, "ZDCA", 0., 0., tubpar[2]+zCorrDip, 0, "ONLY");
1529 // -- DEFINE MQX1 AND MQX2 QUADRUPOLE ELEMENT
1531 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1534 tubpar[2] = 637./2.;
1535 gMC->Gsvolu("MQX1", "TUBE", idtmed[11], tubpar, 3);
1536 gMC->Gsvolu("MQX4", "TUBE", idtmed[11], tubpar, 3);
1541 tubpar[2] = 637./2.;
1542 gMC->Gsvolu("YMQ1", "TUBE", idtmed[7], tubpar, 3);
1545 gMC->Gspos("MQX1", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip, 0, "ONLY");
1546 gMC->Gspos("YMQ1", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip, 0, "ONLY");
1548 // -- BEAM SCREEN FOR Q1
1549 tubpar[0] = 4.78/2.;
1550 tubpar[1] = 5.18/2.;
1551 tubpar[2] = 637./2.;
1552 gMC->Gsvolu("QBS1", "TUBE", idtmed[6], tubpar, 3);
1553 gMC->Gspos("QBS1", 1, "MQX1", 0., 0., 0., 0, "ONLY");
1554 // INSERT VERTICAL PLATE INSIDE Q1
1555 boxpar[0] = 0.2/2.0;
1556 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(1.9+0.2)*(1.9+0.2));
1558 gMC->Gsvolu("QBS2", "BOX ", idtmed[6], boxpar, 3);
1559 gMC->Gspos("QBS2", 1, "MQX1", 1.9+boxpar[0], 0., 0., 0, "ONLY");
1560 gMC->Gspos("QBS2", 2, "MQX1", -1.9-boxpar[0], 0., 0., 0, "ONLY");
1563 gMC->Gspos("MQX4", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+2400., 0, "ONLY");
1564 gMC->Gspos("YMQ1", 2, "ZDCA", 0., 0., tubpar[2]+zInnTrip+2400., 0, "ONLY");
1566 // -- BEAM SCREEN FOR Q3
1567 tubpar[0] = 5.79/2.;
1568 tubpar[1] = 6.14/2.;
1569 tubpar[2] = 637./2.;
1570 gMC->Gsvolu("QBS3", "TUBE", idtmed[6], tubpar, 3);
1571 gMC->Gspos("QBS3", 1, "MQX4", 0., 0., 0., 0, "ONLY");
1572 // INSERT VERTICAL PLATE INSIDE Q3
1573 boxpar[0] = 0.2/2.0;
1574 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(2.405+0.2)*(2.405+0.2));
1576 gMC->Gsvolu("QBS4", "BOX ", idtmed[6], boxpar, 3);
1577 gMC->Gspos("QBS4", 1, "MQX4", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1578 gMC->Gspos("QBS4", 2, "MQX4", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1583 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1586 tubpar[2] = 550./2.;
1587 gMC->Gsvolu("MQX2", "TUBE", idtmed[11], tubpar, 3);
1588 gMC->Gsvolu("MQX3", "TUBE", idtmed[11], tubpar, 3);
1593 tubpar[2] = 550./2.;
1594 gMC->Gsvolu("YMQ2", "TUBE", idtmed[7], tubpar, 3);
1596 // -- BEAM SCREEN FOR Q2
1597 tubpar[0] = 5.79/2.;
1598 tubpar[1] = 6.14/2.;
1599 tubpar[2] = 550./2.;
1600 gMC->Gsvolu("QBS5", "TUBE", idtmed[6], tubpar, 3);
1601 // VERTICAL PLATE INSIDE Q2
1602 boxpar[0] = 0.2/2.0;
1603 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(2.405+0.2)*(2.405+0.2));
1605 gMC->Gsvolu("QBS6", "BOX ", idtmed[6], boxpar, 3);
1608 gMC->Gspos("MQX2", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+908.5, 0, "ONLY");
1609 gMC->Gspos("QBS5", 1, "MQX2", 0., 0., 0., 0, "ONLY");
1610 gMC->Gspos("QBS6", 1, "MQX2", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1611 gMC->Gspos("QBS6", 2, "MQX2", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1612 gMC->Gspos("YMQ2", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+908.5, 0, "ONLY");
1616 gMC->Gspos("MQX3", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+1558.5, 0, "ONLY");
1617 gMC->Gspos("QBS5", 2, "MQX3", 0., 0., 0., 0, "ONLY");
1618 gMC->Gspos("QBS6", 3, "MQX3", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1619 gMC->Gspos("QBS6", 4, "MQX3", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1620 gMC->Gspos("YMQ2", 2, "ZDCA", 0., 0., tubpar[2]+zInnTrip+1558.5, 0, "ONLY");
1622 // -- SEPARATOR DIPOLE D1
1623 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1625 tubpar[1] = 6.75/2.;//3.375
1626 tubpar[2] = 945./2.;
1627 gMC->Gsvolu("MD1L", "TUBE", idtmed[11], tubpar, 3);
1629 // -- The beam screen tube is provided by the beam pipe in D1 (QA03 volume)
1630 // -- Insert the beam screen horizontal Cu plates inside D1
1631 // -- (to simulate the vacuum chamber)
1632 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.885+0.2)*(2.885+0.2));
1635 gMC->Gsvolu("QBS7", "BOX ", idtmed[6], boxpar, 3);
1636 gMC->Gspos("QBS7", 1, "MD1L", 0., 2.885+boxpar[1],0., 0, "ONLY");
1637 gMC->Gspos("QBS7", 2, "MD1L", 0., -2.885-boxpar[1],0., 0, "ONLY");
1642 tubpar[2] = 945./2.;
1643 gMC->Gsvolu("YD1L", "TUBE", idtmed[7], tubpar, 3);
1645 gMC->Gspos("YD1L", 1, "ZDCA", 0., 0., tubpar[2]+zD1, 0, "ONLY");
1646 gMC->Gspos("MD1L", 1, "ZDCA", 0., 0., tubpar[2]+zD1, 0, "ONLY");
1649 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1651 tubpar[1] = 7.5/2.; // this has to be checked
1652 tubpar[2] = 945./2.;
1653 gMC->Gsvolu("MD2L", "TUBE", idtmed[11], tubpar, 3);
1658 tubpar[2] = 945./2.;
1659 gMC->Gsvolu("YD2L", "TUBE", idtmed[7], tubpar, 3);
1661 gMC->Gspos("YD2L", 1, "ZDCA", 0., 0., tubpar[2]+zD2, 0, "ONLY");
1663 gMC->Gspos("MD2L", 1, "YD2L", -9.4, 0., 0., 0, "ONLY");
1664 gMC->Gspos("MD2L", 2, "YD2L", 9.4, 0., 0., 0, "ONLY");
1666 // -- END OF MAGNET DEFINITION
1669 //_____________________________________________________________________________
1670 void AliZDCv3::CreateZDC()
1673 // Create the various ZDCs (ZN + ZP)
1676 Float_t dimPb[6], dimVoid[6];
1678 Int_t *idtmed = fIdtmed->GetArray();
1680 // Parameters for hadronic calorimeters geometry
1681 // NB -> parameters used ONLY in CreateZDC()
1682 Float_t fGrvZN[3] = {0.03, 0.03, 50.}; // Grooves for neutron detector
1683 Float_t fGrvZP[3] = {0.04, 0.04, 75.}; // Grooves for proton detector
1684 Int_t fDivZN[3] = {11, 11, 0}; // Division for neutron detector
1685 Int_t fDivZP[3] = {7, 15, 0}; // Division for proton detector
1686 Int_t fTowZN[2] = {2, 2}; // Tower for neutron detector
1687 Int_t fTowZP[2] = {4, 1}; // Tower for proton detector
1689 // Parameters for EM calorimeter geometry
1690 // NB -> parameters used ONLY in CreateZDC()
1691 Float_t kDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
1692 Float_t kFibRadZEM = 0.0315; // External fiber radius (including cladding)
1693 Int_t fDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
1694 Float_t fDimZEM[6] = {fZEMLength, 3.5, 3.5, 45., 0., 0.}; // Dimensions of EM detector
1695 Float_t fFibZEM2 = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-kFibRadZEM;
1696 Float_t fFibZEM[3] = {0., 0.0275, fFibZEM2}; // Fibers for EM calorimeter
1699 //-- Create calorimeters geometry
1701 // -------------------------------------------------------------------------------
1702 //--> Neutron calorimeter (ZN)
1704 gMC->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material
1705 gMC->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material
1706 gMC->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3);
1707 gMC->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3);
1708 gMC->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3);
1709 gMC->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves
1710 gMC->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3);
1711 gMC->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3);
1712 gMC->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3);
1714 // Divide ZNEU in towers (for hits purposes)
1716 gMC->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower
1717 gMC->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower
1719 //-- Divide ZN1 in minitowers
1720 // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS,
1721 // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS
1722 // (4 fibres per minitower)
1724 gMC->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices
1725 gMC->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks
1727 // --- Position the empty grooves in the sticks (4 grooves per stick)
1728 Float_t dx = fDimZN[0] / fDivZN[0] / 4.;
1729 Float_t dy = fDimZN[1] / fDivZN[1] / 4.;
1731 gMC->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY");
1732 gMC->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY");
1733 gMC->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY");
1734 gMC->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY");
1736 // --- Position the fibers in the grooves
1737 gMC->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY");
1738 gMC->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY");
1739 gMC->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY");
1740 gMC->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY");
1742 // --- Position the neutron calorimeter in ZDC
1743 // -- Rotation of ZDCs
1745 gMC->Matrix(irotzdc, 90., 180., 90., 90., 180., 0.);
1747 gMC->Gspos("ZNEU", 1, "ZDCC", fPosZNC[0], fPosZNC[1], fPosZNC[2]-fDimZN[2], irotzdc, "ONLY");
1749 //printf("\n ZN -> %f < z < %f cm\n",fPosZN[2],fPosZN[2]-2*fDimZN[2]);
1751 // --- Position the neutron calorimeter in ZDC2 (left line)
1752 // -- No Rotation of ZDCs
1753 gMC->Gspos("ZNEU", 2, "ZDCA", fPosZNA[0], fPosZNA[1], fPosZNA[2]+fDimZN[2], 0, "ONLY");
1755 //printf("\n ZN left -> %f < z < %f cm\n",fPosZNl[2],fPosZNl[2]+2*fDimZN[2]);
1758 // -------------------------------------------------------------------------------
1759 //--> Proton calorimeter (ZP)
1761 gMC->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material
1762 gMC->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material
1763 gMC->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3);
1764 gMC->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3);
1765 gMC->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3);
1766 gMC->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves
1767 gMC->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3);
1768 gMC->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3);
1769 gMC->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3);
1771 //-- Divide ZPRO in towers(for hits purposes)
1773 gMC->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower
1774 gMC->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower
1777 //-- Divide ZP1 in minitowers
1778 // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER,
1779 // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER
1780 // (4 fiber per minitower)
1782 gMC->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices
1783 gMC->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks
1785 // --- Position the empty grooves in the sticks (4 grooves per stick)
1786 dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.;
1787 dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.;
1789 gMC->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY");
1790 gMC->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY");
1791 gMC->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY");
1792 gMC->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY");
1794 // --- Position the fibers in the grooves
1795 gMC->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY");
1796 gMC->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY");
1797 gMC->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY");
1798 gMC->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY");
1801 // --- Position the proton calorimeter in ZDCC
1802 gMC->Gspos("ZPRO", 1, "ZDCC", fPosZPC[0], fPosZPC[1], fPosZPC[2]-fDimZP[2], irotzdc, "ONLY");
1804 //printf("\n ZP -> %f < z < %f cm\n",fPosZP[2],fPosZP[2]-2*fDimZP[2]);
1806 // --- Position the proton calorimeter in ZDCA
1808 gMC->Gspos("ZPRO", 2, "ZDCA", fPosZPA[0], fPosZPA[1], fPosZPA[2]+fDimZP[2], 0, "ONLY");
1810 //printf("\n ZP left -> %f < z < %f cm\n",fPosZPl[2],fPosZPl[2]+2*fDimZP[2]);
1813 // -------------------------------------------------------------------------------
1814 // -> EM calorimeter (ZEM)
1816 gMC->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6);
1819 gMC->Matrix(irot1,0.,0.,90.,90.,-90.,0.); // Rotation matrix 1
1820 gMC->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]);// Rotation matrix 2
1821 //printf("irot1 = %d, irot2 = %d \n", irot1, irot2);
1823 gMC->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material
1825 gMC->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches
1827 dimPb[0] = kDimZEMPb; // Lead slices
1828 dimPb[1] = fDimZEM[2];
1829 dimPb[2] = fDimZEM[1];
1830 //dimPb[3] = fDimZEM[3]; //controllare
1831 dimPb[3] = 90.-fDimZEM[3]; //originale
1834 gMC->Gsvolu("ZEL0", "PARA", idtmed[5], dimPb, 6);
1835 gMC->Gsvolu("ZEL1", "PARA", idtmed[5], dimPb, 6);
1836 gMC->Gsvolu("ZEL2", "PARA", idtmed[5], dimPb, 6);
1838 // --- Position the lead slices in the tranche
1839 Float_t zTran = fDimZEM[0]/fDivZEM[2];
1840 Float_t zTrPb = -zTran+kDimZEMPb;
1841 gMC->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY");
1842 gMC->Gspos("ZEL1", 1, "ZETR", kDimZEMPb, 0., 0., 0, "ONLY");
1844 // --- Vacuum zone (to be filled with fibres)
1845 dimVoid[0] = (zTran-2*kDimZEMPb)/2.;
1846 dimVoid[1] = fDimZEM[2];
1847 dimVoid[2] = fDimZEM[1];
1848 dimVoid[3] = 90.-fDimZEM[3];
1851 gMC->Gsvolu("ZEV0", "PARA", idtmed[10], dimVoid,6);
1852 gMC->Gsvolu("ZEV1", "PARA", idtmed[10], dimVoid,6);
1854 // --- Divide the vacuum slice into sticks along x axis
1855 gMC->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3);
1856 gMC->Gsdvn("ZES1", "ZEV1", fDivZEM[0], 3);
1858 // --- Positioning the fibers into the sticks
1859 gMC->Gspos("ZEMF", 1,"ZES0", 0., 0., 0., irot2, "ONLY");
1860 gMC->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY");
1862 // --- Positioning the vacuum slice into the tranche
1863 //Float_t displFib = fDimZEM[1]/fDivZEM[0];
1864 gMC->Gspos("ZEV0", 1,"ZETR", -dimVoid[0], 0., 0., 0, "ONLY");
1865 gMC->Gspos("ZEV1", 1,"ZETR", -dimVoid[0]+zTran, 0., 0., 0, "ONLY");
1867 // --- Positioning the ZEM into the ZDC - rotation for 90 degrees
1868 // NB -> ZEM is positioned in ALIC (instead of in ZDC) volume
1869 gMC->Gspos("ZEM ", 1,"ALIC", -fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
1871 // Second EM ZDC (same side w.r.t. IP, just on the other side w.r.t. beam pipe)
1872 gMC->Gspos("ZEM ", 2,"ALIC", fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
1874 // --- Adding last slice at the end of the EM calorimeter
1875 Float_t zLastSlice = fPosZEM[2]+kDimZEMPb+2*fDimZEM[0];
1876 gMC->Gspos("ZEL2", 1,"ALIC", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY");
1878 //printf("\n ZEM lenght = %f cm\n",2*fZEMLength);
1879 //printf("\n ZEM -> %f < z < %f cm\n",fPosZEM[2],fPosZEM[2]+2*fZEMLength+zLastSlice+kDimZEMPb);
1883 //_____________________________________________________________________________
1884 void AliZDCv3::DrawModule() const
1887 // Draw a shaded view of the Zero Degree Calorimeter version 1
1890 // Set everything unseen
1891 gMC->Gsatt("*", "seen", -1);
1893 // Set ALIC mother transparent
1894 gMC->Gsatt("ALIC","SEEN",0);
1896 // Set the volumes visible
1897 gMC->Gsatt("ZDCC","SEEN",0);
1898 gMC->Gsatt("QT01","SEEN",1);
1899 gMC->Gsatt("QT02","SEEN",1);
1900 gMC->Gsatt("QT03","SEEN",1);
1901 gMC->Gsatt("QT04","SEEN",1);
1902 gMC->Gsatt("QT05","SEEN",1);
1903 gMC->Gsatt("QT06","SEEN",1);
1904 gMC->Gsatt("QT07","SEEN",1);
1905 gMC->Gsatt("QT08","SEEN",1);
1906 gMC->Gsatt("QT09","SEEN",1);
1907 gMC->Gsatt("QT10","SEEN",1);
1908 gMC->Gsatt("QT11","SEEN",1);
1909 gMC->Gsatt("QT12","SEEN",1);
1910 gMC->Gsatt("QT13","SEEN",1);
1911 gMC->Gsatt("QC01","SEEN",1);
1912 gMC->Gsatt("QC02","SEEN",1);
1913 gMC->Gsatt("QC03","SEEN",1);
1914 gMC->Gsatt("QC04","SEEN",1);
1915 gMC->Gsatt("QC05","SEEN",1);
1916 gMC->Gsatt("QC06","SEEN",1);
1917 gMC->Gsatt("QC07","SEEN",1);
1918 gMC->Gsatt("QC08","SEEN",1);
1919 gMC->Gsatt("QC09","SEEN",1);
1920 gMC->Gsatt("QC10","SEEN",1);
1921 gMC->Gsatt("MQXL","SEEN",1);
1922 gMC->Gsatt("YMQL","SEEN",1);
1923 gMC->Gsatt("MQX ","SEEN",1);
1924 gMC->Gsatt("YMQ ","SEEN",1);
1925 gMC->Gsatt("ZQYX","SEEN",1);
1926 gMC->Gsatt("MD1 ","SEEN",1);
1927 gMC->Gsatt("MD1V","SEEN",1);
1928 gMC->Gsatt("YD1 ","SEEN",1);
1929 gMC->Gsatt("MD2 ","SEEN",1);
1930 gMC->Gsatt("YD2 ","SEEN",1);
1931 gMC->Gsatt("ZNEU","SEEN",0);
1932 gMC->Gsatt("ZNF1","SEEN",0);
1933 gMC->Gsatt("ZNF2","SEEN",0);
1934 gMC->Gsatt("ZNF3","SEEN",0);
1935 gMC->Gsatt("ZNF4","SEEN",0);
1936 gMC->Gsatt("ZNG1","SEEN",0);
1937 gMC->Gsatt("ZNG2","SEEN",0);
1938 gMC->Gsatt("ZNG3","SEEN",0);
1939 gMC->Gsatt("ZNG4","SEEN",0);
1940 gMC->Gsatt("ZNTX","SEEN",0);
1941 gMC->Gsatt("ZN1 ","COLO",4);
1942 gMC->Gsatt("ZN1 ","SEEN",1);
1943 gMC->Gsatt("ZNSL","SEEN",0);
1944 gMC->Gsatt("ZNST","SEEN",0);
1945 gMC->Gsatt("ZPRO","SEEN",0);
1946 gMC->Gsatt("ZPF1","SEEN",0);
1947 gMC->Gsatt("ZPF2","SEEN",0);
1948 gMC->Gsatt("ZPF3","SEEN",0);
1949 gMC->Gsatt("ZPF4","SEEN",0);
1950 gMC->Gsatt("ZPG1","SEEN",0);
1951 gMC->Gsatt("ZPG2","SEEN",0);
1952 gMC->Gsatt("ZPG3","SEEN",0);
1953 gMC->Gsatt("ZPG4","SEEN",0);
1954 gMC->Gsatt("ZPTX","SEEN",0);
1955 gMC->Gsatt("ZP1 ","COLO",6);
1956 gMC->Gsatt("ZP1 ","SEEN",1);
1957 gMC->Gsatt("ZPSL","SEEN",0);
1958 gMC->Gsatt("ZPST","SEEN",0);
1959 gMC->Gsatt("ZEM ","COLO",7);
1960 gMC->Gsatt("ZEM ","SEEN",1);
1961 gMC->Gsatt("ZEMF","SEEN",0);
1962 gMC->Gsatt("ZETR","SEEN",0);
1963 gMC->Gsatt("ZEL0","SEEN",0);
1964 gMC->Gsatt("ZEL1","SEEN",0);
1965 gMC->Gsatt("ZEL2","SEEN",0);
1966 gMC->Gsatt("ZEV0","SEEN",0);
1967 gMC->Gsatt("ZEV1","SEEN",0);
1968 gMC->Gsatt("ZES0","SEEN",0);
1969 gMC->Gsatt("ZES1","SEEN",0);
1971 gMC->Gdopt("hide", "on");
1972 gMC->Gdopt("shad", "on");
1973 gMC->Gsatt("*", "fill", 7);
1974 gMC->SetClipBox(".");
1975 gMC->SetClipBox("*", 0, 100, -100, 100, 12000, 16000);
1976 gMC->DefaultRange();
1977 gMC->Gdraw("alic", 40, 30, 0, 488, 220, .07, .07);
1978 gMC->Gdhead(1111, "Zero Degree Calorimeter Version 3");
1979 gMC->Gdman(18, 4, "MAN");
1982 //_____________________________________________________________________________
1983 void AliZDCv3::CreateMaterials()
1986 // Create Materials for the Zero Degree Calorimeter
1988 Float_t dens, ubuf[1], wmat[3], a[3], z[3];
1990 // --- W alloy -> ZN passive material
2001 AliMixture(1, "WALL", a, z, dens, 3, wmat);
2003 // --- Brass (CuZn) -> ZP passive material
2011 AliMixture(2, "BRASS", a, z, dens, 2, wmat);
2021 AliMixture(3, "SIO2", a, z, dens, -2, wmat);
2025 AliMaterial(5, "LEAD", 207.19, 82., 11.35, .56, 0., ubuf, 1);
2027 // --- Copper (energy loss taken into account)
2029 AliMaterial(6, "COPP0", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
2033 AliMaterial(9, "COPP1", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
2035 // --- Iron (energy loss taken into account)
2037 AliMaterial(7, "IRON0", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
2039 // --- Iron (no energy loss)
2041 AliMaterial(8, "IRON1", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
2045 AliMaterial(13, "TANT", 183.84, 74., 19.3, 0.35, 0., ubuf, 1);
2047 // ---------------------------------------------------------
2048 Float_t aResGas[3]={1.008,12.0107,15.9994};
2049 Float_t zResGas[3]={1.,6.,8.};
2050 Float_t wResGas[3]={0.28,0.28,0.44};
2051 Float_t dResGas = 3.2E-14;
2053 // --- Vacuum (no magnetic field)
2054 AliMixture(10, "VOID", aResGas, zResGas, dResGas, 3, wResGas);
2056 // --- Vacuum (with magnetic field)
2057 AliMixture(11, "VOIM", aResGas, zResGas, dResGas, 3, wResGas);
2059 // --- Air (no magnetic field)
2060 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
2061 Float_t zAir[4]={6.,7.,8.,18.};
2062 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
2063 Float_t dAir = 1.20479E-3;
2065 AliMixture(12, "Air $", aAir, zAir, dAir, 4, wAir);
2067 // --- Definition of tracking media:
2069 // --- Tantalum = 1 ;
2071 // --- Fibers (SiO2) = 3 ;
2072 // --- Fibers (SiO2) = 4 ;
2074 // --- Copper (with high thr.)= 6 ;
2075 // --- Copper (with low thr.)= 9;
2076 // --- Iron (with energy loss) = 7 ;
2077 // --- Iron (without energy loss) = 8 ;
2078 // --- Vacuum (no field) = 10
2079 // --- Vacuum (with field) = 11
2080 // --- Air (no field) = 12
2082 // ****************************************************
2083 // Tracking media parameters
2085 Float_t epsil = 0.01; // Tracking precision,
2086 Float_t stmin = 0.01; // Min. value 4 max. step (cm)
2087 Float_t stemax = 1.; // Max. step permitted (cm)
2088 Float_t tmaxfd = 0.; // Maximum angle due to field (degrees)
2089 Float_t deemax = -1.; // Maximum fractional energy loss
2090 Float_t nofieldm = 0.; // Max. field value (no field)
2091 Float_t fieldm = 45.; // Max. field value (with field)
2092 Int_t isvol = 0; // ISVOL =0 -> not sensitive volume
2093 Int_t isvolActive = 1; // ISVOL =1 -> sensitive volume
2094 Int_t inofld = 0; // IFIELD=0 -> no magnetic field
2095 Int_t ifield =2; // IFIELD=2 -> magnetic field defined in AliMagFC.h
2096 // *****************************************************
2098 AliMedium(1, "ZWALL", 1, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2099 AliMedium(2, "ZBRASS",2, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2100 AliMedium(3, "ZSIO2", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2101 AliMedium(4, "ZQUAR", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2102 AliMedium(5, "ZLEAD", 5, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2103 AliMedium(6, "ZCOPP", 6, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2104 AliMedium(7, "ZIRON", 7, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2105 AliMedium(8, "ZIRONN",8, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2106 AliMedium(9, "ZCOPL", 6, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2107 AliMedium(10,"ZVOID",10, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2108 AliMedium(11,"ZVOIM",11, isvol, ifield, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
2109 AliMedium(12,"ZAIR", 12, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2110 AliMedium(13,"ZTANT",13, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2111 AliMedium(14, "ZIRONT", 7, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2115 //_____________________________________________________________________________
2116 void AliZDCv3::AddAlignableVolumes() const
2119 // Create entries for alignable volumes associating the symbolic volume
2120 // name with the corresponding volume path. Needs to be syncronized with
2121 // eventual changes in the geometry.
2123 TString volpath1 = "ALIC_1/ZDCC_1/ZNEU_1";
2124 TString volpath2 = "ALIC_1/ZDCC_1/ZPRO_1";
2125 TString volpath3 = "ALIC_1/ZDCA_1/ZNEU_2";
2126 TString volpath4 = "ALIC_1/ZDCA_1/ZPRO_2";
2128 TString symname1="ZDC/NeutronZDC_C";
2129 TString symname2="ZDC/ProtonZDC_C";
2130 TString symname3="ZDC/NeutronZDC_A";
2131 TString symname4="ZDC/ProtonZDC_A";
2133 if(!gGeoManager->SetAlignableEntry(symname1.Data(),volpath1.Data()))
2134 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname1.Data(),volpath1.Data()));
2136 if(!gGeoManager->SetAlignableEntry(symname2.Data(),volpath2.Data()))
2137 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname2.Data(),volpath2.Data()));
2139 if(!gGeoManager->SetAlignableEntry(symname3.Data(),volpath3.Data()))
2140 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname1.Data(),volpath1.Data()));
2142 if(!gGeoManager->SetAlignableEntry(symname4.Data(),volpath4.Data()))
2143 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname2.Data(),volpath2.Data()));
2148 //_____________________________________________________________________________
2149 void AliZDCv3::Init()
2152 Int_t *idtmed = fIdtmed->GetArray();
2154 fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material
2155 fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material
2156 fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1
2157 fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2
2158 fMedSensZEM = idtmed[5]; // Sensitive volume: ZEM passive material
2159 fMedSensTDI = idtmed[6]; // Sensitive volume: TDI Cu shield
2160 fMedSensPI = idtmed[7]; // Sensitive volume: beam pipes
2161 fMedSensLumi = idtmed[9]; // Sensitive volume: luminometer
2162 fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves
2163 fMedSensVColl = idtmed[13]; // Sensitive volume: collimator jaws
2166 //_____________________________________________________________________________
2167 void AliZDCv3::InitTables()
2170 // Read light tables for Cerenkov light production parameterization
2175 char *lightfName1,*lightfName2,*lightfName3,*lightfName4,
2176 *lightfName5,*lightfName6,*lightfName7,*lightfName8;
2177 FILE *fp1, *fp2, *fp3, *fp4, *fp5, *fp6, *fp7, *fp8;
2179 // --- Reading light tables for ZN
2180 lightfName1 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362207s");
2181 if((fp1 = fopen(lightfName1,"r")) == NULL){
2182 printf("Cannot open file fp1 \n");
2185 lightfName2 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362208s");
2186 if((fp2 = fopen(lightfName2,"r")) == NULL){
2187 printf("Cannot open file fp2 \n");
2190 lightfName3 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362209s");
2191 if((fp3 = fopen(lightfName3,"r")) == NULL){
2192 printf("Cannot open file fp3 \n");
2195 lightfName4 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362210s");
2196 if((fp4 = fopen(lightfName4,"r")) == NULL){
2197 printf("Cannot open file fp4 \n");
2202 for(k=0; k<fNalfan; k++){
2203 for(j=0; j<fNben; j++){
2204 read = fscanf(fp1,"%f",&fTablen[0][k][j]);
2205 if(read==0) AliDebug(3, " Error in reading light table 1");
2206 read = fscanf(fp2,"%f",&fTablen[1][k][j]);
2207 if(read==0) AliDebug(3, " Error in reading light table 2");
2208 read = fscanf(fp3,"%f",&fTablen[2][k][j]);
2209 if(read==0) AliDebug(3, " Error in reading light table 3");
2210 read = fscanf(fp4,"%f",&fTablen[3][k][j]);
2211 if(read==0) AliDebug(3, " Error in reading light table 4");
2219 // --- Reading light tables for ZP and ZEM
2220 lightfName5 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552207s");
2221 if((fp5 = fopen(lightfName5,"r")) == NULL){
2222 printf("Cannot open file fp5 \n");
2225 lightfName6 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552208s");
2226 if((fp6 = fopen(lightfName6,"r")) == NULL){
2227 printf("Cannot open file fp6 \n");
2230 lightfName7 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552209s");
2231 if((fp7 = fopen(lightfName7,"r")) == NULL){
2232 printf("Cannot open file fp7 \n");
2235 lightfName8 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552210s");
2236 if((fp8 = fopen(lightfName8,"r")) == NULL){
2237 printf("Cannot open file fp8 \n");
2241 for(k=0; k<fNalfap; k++){
2242 for(j=0; j<fNbep; j++){
2243 read = fscanf(fp5,"%f",&fTablep[0][k][j]);
2244 if(read==0) AliDebug(3, " Error in reading light table 5");
2245 read = fscanf(fp6,"%f",&fTablep[1][k][j]);
2246 if(read==0) AliDebug(3, " Error in reading light table 6");
2247 read = fscanf(fp7,"%f",&fTablep[2][k][j]);
2248 if(read==0) AliDebug(3, " Error in reading light table 7");
2249 read = fscanf(fp8,"%f",&fTablep[3][k][j]);
2250 if(read==0) AliDebug(3, " Error in reading light table 8");
2258 //_____________________________________________________________________________
2259 void AliZDCv3::StepManager()
2262 // Routine called at every step in the Zero Degree Calorimeters
2264 Int_t j, vol[2]={0,0}, ibeta=0, ialfa=0, ibe=0, nphe=0;
2265 Float_t hits[13], x[3], xdet[3], um[3], ud[3];
2266 Float_t destep=0., be=0., out=0.;
2267 Double_t s[3], p[4];
2270 for(j=0;j<13;j++) hits[j]=-999.;
2272 // --- This part is for no shower developement in beam pipe, TDI, VColl
2273 // If particle interacts with beam pipe, TDI, VColl -> return
2274 if(fNoShower==1 && ((gMC->CurrentMedium() == fMedSensPI) || (gMC->CurrentMedium() == fMedSensTDI) ||
2275 (gMC->CurrentMedium() == fMedSensVColl || (gMC->CurrentMedium() == fMedSensLumi)))){
2277 // If option NoShower is set -> StopTrack
2280 gMC->TrackPosition(s[0],s[1],s[2]);
2281 if(gMC->CurrentMedium() == fMedSensPI){
2282 knamed = gMC->CurrentVolName();
2283 if(!strncmp(knamed,"YMQ",3)){
2284 if(s[2]<0) fpLostITC += 1;
2285 else fpLostITA += 1;
2288 else if(!strncmp(knamed,"YD1",3)){
2289 if(s[2]<0) fpLostD1C += 1;
2290 else fpLostD1A += 1;
2294 else if(gMC->CurrentMedium() == fMedSensTDI){
2295 knamed = gMC->CurrentVolName();
2296 if(!strncmp(knamed,"MD1",3)){
2297 if(s[2]<0) fpLostD1C += 1;
2298 else fpLostD1A += 1;
2301 else if(!strncmp(knamed,"QTD",3)) fpLostTDI += 1;
2303 else if(gMC->CurrentMedium() == fMedSensVColl){
2304 knamed = gMC->CurrentVolName();
2305 if(!strncmp(knamed,"QCVC",4)) fpcVCollC++;
2306 else if(!strncmp(knamed,"QCVA",4)) fpcVCollA++;
2310 //gMC->TrackMomentum(p[0], p[1], p[2], p[3]);
2311 //printf("\t Particle: mass = %1.3f, E = %1.3f GeV, pz = %1.2f GeV -> stopped in volume %s\n",
2312 // gMC->TrackMass(), p[3], p[2], gMC->CurrentVolName());
2315 printf("\n\t **********************************\n");
2316 printf("\t ********** Side C **********\n");
2317 printf("\t # of particles in IT = %d\n",fpLostITC);
2318 printf("\t # of particles in D1 = %d\n",fpLostD1C);
2319 printf("\t # of particles in VColl = %d\n",fpcVCollC);
2320 printf("\t ********** Side A **********\n");
2321 printf("\t # of particles in IT = %d\n",fpLostITA);
2322 printf("\t # of particles in D1 = %d\n",fpLostD1A);
2323 printf("\t # of particles in TDI = %d\n",fpLostTDI);
2324 printf("\t # of particles in VColl = %d\n",fpcVCollA);
2325 printf("\t **********************************\n");
2331 if((gMC->CurrentMedium() == fMedSensZN) || (gMC->CurrentMedium() == fMedSensZP) ||
2332 (gMC->CurrentMedium() == fMedSensGR) || (gMC->CurrentMedium() == fMedSensF1) ||
2333 (gMC->CurrentMedium() == fMedSensF2) || (gMC->CurrentMedium() == fMedSensZEM)){
2336 //Particle coordinates
2337 gMC->TrackPosition(s[0],s[1],s[2]);
2338 for(j=0; j<=2; j++) x[j] = s[j];
2343 // Determine in which ZDC the particle is
2344 knamed = gMC->CurrentVolName();
2345 if(!strncmp(knamed,"ZN",2)){
2346 if(x[2]<0.) vol[0]=1; // ZNC (dimuon side)
2347 else if(x[2]>0.) vol[0]=4; //ZNA
2349 else if(!strncmp(knamed,"ZP",2)){
2350 if(x[2]<0.) vol[0]=2; //ZPC (dimuon side)
2351 else if(x[2]>0.) vol[0]=5; //ZPA
2353 else if(!strncmp(knamed,"ZE",2)) vol[0]=3; //ZEM
2355 // Determine in which quadrant the particle is
2356 if(vol[0]==1){ //Quadrant in ZNC
2357 // Calculating particle coordinates inside ZNC
2358 xdet[0] = x[0]-fPosZNC[0];
2359 xdet[1] = x[1]-fPosZNC[1];
2360 // Calculating quadrant in ZN
2362 if(xdet[1]<=0.) vol[1]=1;
2365 else if(xdet[0]>0.){
2366 if(xdet[1]<=0.) vol[1]=2;
2371 else if(vol[0]==2){ //Quadrant in ZPC
2372 // Calculating particle coordinates inside ZPC
2373 xdet[0] = x[0]-fPosZPC[0];
2374 xdet[1] = x[1]-fPosZPC[1];
2375 if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01;
2376 if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01;
2377 // Calculating tower in ZP
2378 Float_t xqZP = xdet[0]/(fDimZP[0]/2.);
2379 for(int i=1; i<=4; i++){
2380 if(xqZP>=(i-3) && xqZP<(i-2)){
2387 // Quadrant in ZEM: vol[1] = 1 -> particle in 1st ZEM (placed at x = 8.5 cm)
2388 // vol[1] = 2 -> particle in 2nd ZEM (placed at x = -8.5 cm)
2389 else if(vol[0] == 3){
2392 // Particle x-coordinate inside ZEM1
2393 xdet[0] = x[0]-fPosZEM[0];
2397 // Particle x-coordinate inside ZEM2
2398 xdet[0] = x[0]+fPosZEM[0];
2400 xdet[1] = x[1]-fPosZEM[1];
2403 else if(vol[0]==4){ //Quadrant in ZNA
2404 // Calculating particle coordinates inside ZNA
2405 xdet[0] = x[0]-fPosZNA[0];
2406 xdet[1] = x[1]-fPosZNA[1];
2407 // Calculating quadrant in ZNA
2409 if(xdet[1]<=0.) vol[1]=1;
2412 else if(xdet[0]<0.){
2413 if(xdet[1]<=0.) vol[1]=2;
2418 else if(vol[0]==5){ //Quadrant in ZPA
2419 // Calculating particle coordinates inside ZPA
2420 xdet[0] = x[0]-fPosZPA[0];
2421 xdet[1] = x[1]-fPosZPA[1];
2422 if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01;
2423 if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01;
2424 // Calculating tower in ZP
2425 Float_t xqZP = -xdet[0]/(fDimZP[0]/2.);
2426 for(int i=1; i<=4; i++){
2427 if(xqZP>=(i-3) && xqZP<(i-2)){
2433 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
2434 AliError(Form(" WRONG tower for det %d: tow %d with xdet=(%f, %f)\n",
2435 vol[0], vol[1], xdet[0], xdet[1]));
2437 //printf("\t *** det %d vol %d xdet(%f, %f)\n",vol[0], vol[1], xdet[0], xdet[1]);
2440 // Store impact point and kinetic energy of the ENTERING particle
2442 if(gMC->IsTrackEntering()){
2444 gMC->TrackMomentum(p[0],p[1],p[2],p[3]);
2447 // Impact point on ZDC
2448 // X takes into account the LHC x-axis sign
2449 // which is opposite to positive x on detector front face
2450 // for side A detectors (ZNA and ZPA)
2451 if(vol[0]==4 || vol[0]==5){
2463 Int_t curTrackN = gAlice->GetMCApp()->GetCurrentTrackNumber();
2464 TParticle *part = gAlice->GetMCApp()->Particle(curTrackN);
2465 hits[10] = part->GetPdgCode();
2466 //printf("\t PDGCode = %d\n", part->GetPdgCode());
2468 Int_t imo = part->GetFirstMother();
2470 TParticle * pmot = gAlice->GetMCApp()->Particle(imo);
2471 hits[11] = pmot->GetPdgCode();
2475 hits[12] = 1.0e09*gMC->TrackTime(); // in ns!
2476 //printf("\t TrackTime = %f\n", hits[12]);
2478 AddHit(curTrackN, vol, hits);
2483 if(fnDetectedC==1) printf(" ### Particle in ZNC\n\n");
2487 if(fpDetectedC==1) printf(" ### Particle in ZPC\n\n");
2491 if(fnDetectedA==1) printf(" ### Particle in ZNA\n\n");
2495 if(fpDetectedA==1) printf(" ### Particle in ZPA\n\n");
2498 //printf("\t Pc: x %1.2f y %1.2f z %1.2f E %1.2f GeV pz = %1.2f GeV in volume %s\n",
2499 // x[0],x[1],x[3],p[3],p[2],gMC->CurrentVolName());
2506 // Particle energy loss
2507 if(gMC->Edep() != 0){
2508 hits[9] = gMC->Edep();
2511 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2516 // *** Light production in fibres
2517 if((gMC->CurrentMedium() == fMedSensF1) || (gMC->CurrentMedium() == fMedSensF2)){
2519 //Select charged particles
2520 if((destep=gMC->Edep())){
2522 // Particle velocity
2524 gMC->TrackMomentum(p[0],p[1],p[2],p[3]);
2525 Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]);
2526 if(p[3] > 0.00001) beta = ptot/p[3];
2528 if(beta<0.67)return;
2529 else if((beta>=0.67) && (beta<=0.75)) ibeta = 0;
2530 else if((beta>0.75) && (beta<=0.85)) ibeta = 1;
2531 else if((beta>0.85) && (beta<=0.95)) ibeta = 2;
2532 else if(beta>0.95) ibeta = 3;
2534 // Angle between particle trajectory and fibre axis
2535 // 1 -> Momentum directions
2539 gMC->Gmtod(um,ud,2);
2540 // 2 -> Angle < limit angle
2541 Double_t alfar = TMath::ACos(ud[2]);
2542 Double_t alfa = alfar*kRaddeg;
2543 if(alfa>=110.) return;
2545 ialfa = Int_t(1.+alfa/2.);
2547 // Distance between particle trajectory and fibre axis
2548 gMC->TrackPosition(s[0],s[1],s[2]);
2549 for(j=0; j<=2; j++){
2552 gMC->Gmtod(x,xdet,1);
2553 if(TMath::Abs(ud[0])>0.00001){
2554 Float_t dcoeff = ud[1]/ud[0];
2555 be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.));
2558 be = TMath::Abs(ud[0]);
2561 ibe = Int_t(be*1000.+1);
2563 //Looking into the light tables
2564 Float_t charge = gMC->TrackCharge();
2566 if(vol[0]==1 || vol[0]==4) { // (1) ZN fibres
2567 if(ibe>fNben) ibe=fNben;
2568 out = charge*charge*fTablen[ibeta][ialfa][ibe];
2569 nphe = gRandom->Poisson(out);
2571 //if(ibeta==3) printf("\t %f \t %f \t %f\n",alfa, be, out);
2572 //printf("\t ibeta = %d, ialfa = %d, ibe = %d -> nphe = %d\n\n",ibeta,ialfa,ibe,nphe);
2573 if(gMC->CurrentMedium() == fMedSensF1){
2574 hits[7] = nphe; //fLightPMQ
2577 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2581 hits[8] = nphe; //fLightPMC
2583 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2586 else if(vol[0]==2 || vol[0]==5) {// (2) ZP fibres
2587 if(ibe>fNbep) ibe=fNbep;
2588 out = charge*charge*fTablep[ibeta][ialfa][ibe];
2589 nphe = gRandom->Poisson(out);
2590 if(gMC->CurrentMedium() == fMedSensF1){
2591 hits[7] = nphe; //fLightPMQ
2594 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2598 hits[8] = nphe; //fLightPMC
2600 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2603 else if((vol[0]==3)) { // (3) ZEM fibres
2604 if(ibe>fNbep) ibe=fNbep;
2605 out = charge*charge*fTablep[ibeta][ialfa][ibe];
2606 gMC->TrackPosition(s[0],s[1],s[2]);
2611 // z-coordinate from ZEM front face
2612 // NB-> fPosZEM[2]+fZEMLength = -1000.+2*10.3 = 979.69 cm
2613 Float_t z = -xalic[2]+fPosZEM[2]+2*fZEMLength-xalic[1];
2614 //z = xalic[2]-fPosZEM[2]-fZEMLength-xalic[1]*(TMath::Tan(45.*kDegrad));
2615 //printf(" fPosZEM[2]+2*fZEMLength = %f", fPosZEM[2]+2*fZEMLength);
2617 // Parametrization for light guide uniformity
2618 // NEW!!! Light guide tilted @ 51 degrees
2619 Float_t guiPar[4]={0.31,-0.0006305,0.01337,0.8895};
2620 Float_t guiEff = guiPar[0]*(guiPar[1]*z*z+guiPar[2]*z+guiPar[3]);
2622 nphe = gRandom->Poisson(out);
2623 //printf(" out*guiEff = %f nphe = %d", out, nphe);
2626 hits[8] = nphe; //fLightPMC (ZEM1)
2628 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2631 hits[7] = nphe; //fLightPMQ (ZEM2)
2634 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);