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 fVCollAperture(7./2.),
89 // Default constructor for Zero Degree Calorimeter
94 //_____________________________________________________________________________
95 AliZDCv3::AliZDCv3(const char *name, const char *title) :
123 fVCollAperture(7./2.),
128 // Standard constructor for Zero Degree Calorimeter
131 // Check that DIPO, ABSO, DIPO and SHIL is there (otherwise tracking is wrong!!!)
133 AliModule* pipe=gAlice->GetModule("PIPE");
134 AliModule* abso=gAlice->GetModule("ABSO");
135 AliModule* dipo=gAlice->GetModule("DIPO");
136 AliModule* shil=gAlice->GetModule("SHIL");
137 if((!pipe) || (!abso) || (!dipo) || (!shil)) {
138 Error("Constructor","ZDC needs PIPE, ABSO, DIPO and SHIL!!!\n");
143 for(ip=0; ip<4; ip++){
144 for(kp=0; kp<fNalfap; kp++){
145 for(jp=0; jp<fNbep; jp++){
146 fTablep[ip][kp][jp] = 0;
151 for(in=0; in<4; in++){
152 for(kn=0; kn<fNalfan; kn++){
153 for(jn=0; jn<fNben; jn++){
154 fTablen[in][kn][jn] = 0;
159 // Parameters for hadronic calorimeters geometry
160 // Positions updated after post-installation measurements
169 fPosZNC[2] = -11397.3;
172 fPosZPC[2] = -11389.3;
175 fPosZNA[2] = 11395.8;
178 fPosZPA[2] = 11387.8;
185 // Parameters for EM calorimeter geometry
189 Float_t kDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
190 Float_t kDimZEMAir = 0.001; // scotch
191 Float_t kFibRadZEM = 0.0315; // External fiber radius (including cladding)
192 Int_t kDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
193 Float_t kDimZEM0 = 2*kDivZEM[2]*(kDimZEMPb+kDimZEMAir+kFibRadZEM*(TMath::Sqrt(2.)));
194 fZEMLength = kDimZEM0;
198 //_____________________________________________________________________________
199 void AliZDCv3::CreateGeometry()
202 // Create the geometry for the Zero Degree Calorimeter version 2
203 //* Initialize COMMON block ZDC_CGEOM
210 //_____________________________________________________________________________
211 void AliZDCv3::CreateBeamLine()
214 // Create the beam line elements
217 Double_t zd1, zd2, zCorrDip, zInnTrip, zD1, zD2;
218 Double_t conpar[9], tubpar[3], tubspar[5], boxpar[3];
220 //-- rotation matrices for the legs
221 Int_t irotpipe1, irotpipe2;
222 gMC->Matrix(irotpipe1,90.-1.0027,0.,90.,90.,1.0027,180.);
223 gMC->Matrix(irotpipe2,90.+1.0027,0.,90.,90.,1.0027,0.);
226 Int_t *idtmed = fIdtmed->GetArray();
228 ////////////////////////////////////////////////////////////////
230 // SIDE C - RB26 (dimuon side) //
232 ///////////////////////////////////////////////////////////////
235 // -- Mother of the ZDCs (Vacuum PCON)
247 gMC->Gsvolu("ZDCC", "PCON", idtmed[10], conpar, 9);
248 gMC->Gspos("ZDCC", 1, "ALIC", 0., 0., 0., 0, "ONLY");
251 // -- BEAM PIPE from compensator dipole to the beginning of D1)
254 // From beginning of ZDC volumes to beginning of D1
255 tubpar[2] = (5838.3-zd1)/2.;
256 gMC->Gsvolu("QT01", "TUBE", idtmed[7], tubpar, 3);
257 gMC->Gspos("QT01", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
259 //printf(" QT01 TUBE pipe from z = %1.2f to z= %1.2f (D1 beg.)\n",-zd1,-2*tubpar[2]-zd1);
261 //-- BEAM PIPE from the end of D1 to the beginning of D2)
263 //-- FROM MAGNETIC BEGINNING OF D1 TO MAGNETIC END OF D1
264 //-- Cylindrical pipe (r = 3.47) + conical flare
265 // -> Beginning of D1
270 tubpar[2] = (6909.8-zd1)/2.;
271 gMC->Gsvolu("QT02", "TUBE", idtmed[7], tubpar, 3);
272 gMC->Gspos("QT02", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
274 //printf(" QT02 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
280 tubpar[2] = (7022.8-zd1)/2.;
281 gMC->Gsvolu("QT03", "TUBE", idtmed[7], tubpar, 3);
282 gMC->Gspos("QT03", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
284 //printf(" QT03 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
293 gMC->Gsvolu("QC01", "CONE", idtmed[7], conpar, 5);
294 gMC->Gspos("QC01", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
296 //printf(" QC01 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
298 zd1 += conpar[0] * 2.;
300 // ******************************************************
301 // N.B.-> according to last vacuum layout
302 // private communication by D. Macina, mail 27/1/2009
303 // ******************************************************
304 // 2nd section of VCTCQ+VAMTF+TCTVB+VAMTF+TCLIA+VAMTF+1st part of VCTCP
305 Float_t totLength1 = 160.8 + 78. + 148. + 78. + 148. + 78. + 9.3;
309 tubpar[2] = totLength1/2.;
310 gMC->Gsvolu("QE01", "ELTU", idtmed[7], tubpar, 3);
314 tubpar[2] = totLength1/2.;
315 gMC->Gsvolu("QE02", "ELTU", idtmed[10], tubpar, 3);
316 gMC->Gspos("QE01", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
317 gMC->Gspos("QE02", 1, "QE01", 0., 0., 0., 0, "ONLY");
319 //printf(" QE01 ELTU from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
321 // Vertical collimator jaws (defined ONLY if fVCollAperture<3.5!)
322 if(fVCollAperture<3.5){
324 boxpar[1] = (3.5-fVCollAperture-fVCollCentreY-0.7)/2.;
325 if(boxpar[1]<0.) boxpar[1]=0.;
326 boxpar[2] = 124.4/2.;
327 printf("\n AliZDCv3 -> Setting VCollimator jaw: aperture %1.2f center %1.2f mod.thickness %1.3f\n\n",
328 2*fVCollAperture,fVCollCentreY,2*boxpar[1]);
329 gMC->Gsvolu("QCVC" , "BOX ", idtmed[13], boxpar, 3);
330 gMC->Gspos("QCVC", 1, "QE02", -boxpar[0], fVCollAperture+fVCollCentreY+boxpar[1], -totLength1/2.+160.8+78.+148./2., 0, "ONLY");
331 gMC->Gspos("QCVC", 2, "QE02", -boxpar[0], -fVCollAperture+fVCollCentreY-boxpar[1], -totLength1/2.+160.8+78.+148./2., 0, "ONLY");
334 zd1 += tubpar[2] * 2.;
338 conpar[1] = 21.27/2.;
339 conpar[2] = 21.87/2.;
342 gMC->Gsvolu("QC02", "CONE", idtmed[7], conpar, 5);
343 gMC->Gspos("QC02", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
345 //printf(" QC02 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
347 zd1 += conpar[0] * 2.;
349 // 3rd section of VCTCP+VCDWC+VMLGB
350 Float_t totLenght2 = 9.2 + 530.5+40.;
353 tubpar[2] = totLenght2/2.;
354 gMC->Gsvolu("QT04", "TUBE", idtmed[7], tubpar, 3);
355 gMC->Gspos("QT04", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
357 //printf(" QT04 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
359 zd1 += tubpar[2] * 2.;
361 // First part of VCTCD
362 // skewed transition cone from ID=212.7 mm to ID=797 mm
366 conpar[3] = 21.27/2.;
367 conpar[4] = 21.87/2.;
368 gMC->Gsvolu("QC03", "CONE", idtmed[7], conpar, 5);
369 gMC->Gspos("QC03", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
371 //printf(" QC03 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
375 // VCDGB + 1st part of VCTCH
378 tubpar[2] = (5*475.2+97.)/2.;
379 gMC->Gsvolu("QT05", "TUBE", idtmed[7], tubpar, 3);
380 gMC->Gspos("QT05", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
382 //printf(" QT05 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
387 // Transition from ID=797 mm to ID=196 mm:
388 // in order to simulate the thin window opened in the transition cone
389 // we divide the transition cone in three cones:
390 // (1) 8 mm thick (2) 3 mm thick (3) the third 8 mm thick
393 conpar[0] = 9.09/2.; // 15 degree
394 conpar[1] = 74.82868/2.;
395 conpar[2] = 76.42868/2.; // thickness 8 mm
397 conpar[4] = 81.3/2.; // thickness 8 mm
398 gMC->Gsvolu("QC04", "CONE", idtmed[7], conpar, 5);
399 gMC->Gspos("QC04", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
401 //printf(" QC04 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
406 conpar[0] = 96.2/2.; // 15 degree
407 conpar[1] = 23.19588/2.;
408 conpar[2] = 23.79588/2.; // thickness 3 mm
409 conpar[3] = 74.82868/2.;
410 conpar[4] = 75.42868/2.; // thickness 3 mm
411 gMC->Gsvolu("QC05", "CONE", idtmed[7], conpar, 5);
412 gMC->Gspos("QC05", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
414 //printf(" QC05 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
419 conpar[0] = 6.71/2.; // 15 degree
421 conpar[2] = 21.2/2.;// thickness 8 mm
422 conpar[3] = 23.19588/2.;
423 conpar[4] = 24.79588/2.;// thickness 8 mm
424 gMC->Gsvolu("QC06", "CONE", idtmed[7], conpar, 5);
425 gMC->Gspos("QC06", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
427 //printf(" QC06 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
435 gMC->Gsvolu("QT06", "TUBE", idtmed[7], tubpar, 3);
436 gMC->Gspos("QT06", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
438 //printf(" QT06 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
447 gMC->Gsvolu("QC07", "CONE", idtmed[7], conpar, 5);
448 gMC->Gspos("QC07", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
450 //printf(" QC07 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
457 gMC->Gsvolu("QT07", "TUBE", idtmed[7], tubpar, 3);
458 gMC->Gspos("QT07", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
460 //printf(" QT07 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
469 gMC->Gsvolu("QC08", "CONE", idtmed[7], conpar, 5);
470 gMC->Gspos("QC08", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
472 //printf(" QC08 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
479 gMC->Gsvolu("QT08", "TUBE", idtmed[7], tubpar, 3);
480 gMC->Gspos("QT08", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
482 //printf(" QT08 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
486 // Flange (ID=196 mm)(last part of VMZAR and first part of VCTYB)
490 gMC->Gsvolu("QT09", "TUBE", idtmed[7], tubpar, 3);
491 gMC->Gspos("QT09", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
493 //printf(" QT09 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
497 //printf(" Beginning of VCTYB volume @ z = %1.2f \n",-zd1);
499 // simulation of the trousers (VCTYB)
503 gMC->Gsvolu("QT10", "TUBE", idtmed[7], tubpar, 3);
504 gMC->Gspos("QT10", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
506 //printf(" QT10 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
510 // transition cone from ID=196. to ID=216.6
511 conpar[0] = 32.55/2.;
512 conpar[1] = 21.66/2.;
513 conpar[2] = 22.06/2.;
516 gMC->Gsvolu("QC09", "CONE", idtmed[7], conpar, 5);
517 gMC->Gspos("QC09", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
519 //printf(" QC09 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
524 tubpar[0] = 21.66/2.;
525 tubpar[1] = 22.06/2.;
527 gMC->Gsvolu("QT11", "TUBE", idtmed[7], tubpar, 3);
528 gMC->Gspos("QT11", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
530 //printf(" QT11 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
534 //printf(" Beginning of recombination chamber @ z = %f \n",-zd1);
536 // --------------------------------------------------------
537 // RECOMBINATION CHAMBER IMPLEMENTED USING TGeo CLASSES!!!!
538 // author: Chiara (August 2008)
539 // --------------------------------------------------------
540 // TRANSFORMATION MATRICES
541 // Combi transformation:
542 Double_t dx = -3.970000;
543 Double_t dy = 0.000000;
546 Double_t thx = 84.989100; Double_t phx = 180.000000;
547 Double_t thy = 90.000000; Double_t phy = 90.000000;
548 Double_t thz = 185.010900; Double_t phz = 0.000000;
549 TGeoRotation *rotMatrix1c = new TGeoRotation("c",thx,phx,thy,phy,thz,phz);
550 // Combi transformation:
554 TGeoCombiTrans *rotMatrix2c = new TGeoCombiTrans("ZDCC_c1", dx,dy,dz,rotMatrix1c);
555 rotMatrix2c->RegisterYourself();
556 // Combi transformation:
561 thx = 95.010900; phx = 180.000000;
562 thy = 90.000000; phy = 90.000000;
563 thz = 180.-5.010900; phz = 0.000000;
564 TGeoRotation *rotMatrix3c = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
565 TGeoCombiTrans *rotMatrix4c = new TGeoCombiTrans("ZDCC_c2", dx,dy,dz,rotMatrix3c);
566 rotMatrix4c->RegisterYourself();
568 // VOLUMES DEFINITION
570 TGeoVolume *pZDCC = gGeoManager->GetVolume("ZDCC");
572 conpar[0] = (90.1-0.95-0.26-0.0085)/2.;
577 new TGeoCone("QCLext", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
579 conpar[0] = (90.1-0.95-0.26-0.0085)/2.;
584 new TGeoCone("QCLint", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
587 TGeoCompositeShape *pOutTrousersC = new TGeoCompositeShape("outTrousersC", "QCLext:ZDCC_c1+QCLext:ZDCC_c2");
590 TGeoMedium *medZDCFe = gGeoManager->GetMedium("ZDC_ZIRONT");
591 TGeoVolume *pQCLext = new TGeoVolume("QCLext",pOutTrousersC, medZDCFe);
592 pQCLext->SetLineColor(kGreen);
593 pQCLext->SetVisLeaves(kTRUE);
595 TGeoTranslation *tr1c = new TGeoTranslation(0., 0., (Double_t) -conpar[0]-0.95-zd1);
596 //printf(" Recombination chamber from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-0.95-zd1);
598 pZDCC->AddNode(pQCLext, 1, tr1c);
600 TGeoCompositeShape *pIntTrousersC = new TGeoCompositeShape("intTrousersC", "QCLint:ZDCC_c1+QCLint:ZDCC_c2");
602 TGeoMedium *medZDCvoid = gGeoManager->GetMedium("ZDC_ZVOID");
603 TGeoVolume *pQCLint = new TGeoVolume("QCLint",pIntTrousersC, medZDCvoid);
604 pQCLint->SetLineColor(kTeal);
605 pQCLint->SetVisLeaves(kTRUE);
606 pQCLext->AddNode(pQCLint, 1);
609 Double_t offset = 0.5;
612 // second section : 2 tubes (ID = 54. OD = 58.)
616 gMC->Gsvolu("QT12", "TUBE", idtmed[7], tubpar, 3);
617 gMC->Gspos("QT12", 1, "ZDCC", -15.8/2., 0., -tubpar[2]-zd1, 0, "ONLY");
618 gMC->Gspos("QT12", 2, "ZDCC", 15.8/2., 0., -tubpar[2]-zd1, 0, "ONLY");
620 //printf(" QT12 TUBE from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
624 // transition x2zdc to recombination chamber : skewed cone
625 conpar[0] = (10.-0.2-offset)/2.;
630 gMC->Gsvolu("QC10", "CONE", idtmed[7], conpar, 5);
631 gMC->Gspos("QC10", 1, "ZDCC", -7.9-0.175, 0., -conpar[0]-0.1-zd1, irotpipe1, "ONLY");
632 gMC->Gspos("QC10", 2, "ZDCC", 7.9+0.175, 0., -conpar[0]-0.1-zd1, irotpipe2, "ONLY");
633 //printf(" QC10 CONE from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-0.2-zd1);
635 zd1 += 2.*conpar[0]+0.2;
637 // 2 tubes (ID = 63 mm OD=70 mm)
640 tubpar[2] = 639.8/2.;
641 gMC->Gsvolu("QT13", "TUBE", idtmed[7], tubpar, 3);
642 gMC->Gspos("QT13", 1, "ZDCC", -16.5/2., 0., -tubpar[2]-zd1, 0, "ONLY");
643 gMC->Gspos("QT13", 2, "ZDCC", 16.5/2., 0., -tubpar[2]-zd1, 0, "ONLY");
644 //printf(" QT13 TUBE from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
647 //printf(" END OF SIDE C BEAM PIPE DEFINITION @ z = %f\n",-zd1);
650 // -- Luminometer (Cu box) in front of ZN - side C
653 boxpar[2] = fLumiLength/2.;
654 gMC->Gsvolu("QLUC", "BOX ", idtmed[9], boxpar, 3);
655 gMC->Gspos("QLUC", 1, "ZDCC", 0., 0., fPosZNC[2]+66.+boxpar[2], 0, "ONLY");
656 //printf(" QLUC LUMINOMETER from z = %1.2f to z= %1.2f\n", fPosZNC[2]+66., fPosZNC[2]+66.+2*boxpar[2]);
658 // -- END OF BEAM PIPE VOLUME DEFINITION FOR SIDE C (RB26 SIDE)
659 // ----------------------------------------------------------------
661 ////////////////////////////////////////////////////////////////
665 ///////////////////////////////////////////////////////////////
667 // Rotation Matrices definition
668 Int_t irotpipe3, irotpipe4, irotpipe5;
669 //-- rotation matrices for the tilted cone after the TDI to recenter vacuum chamber
670 gMC->Matrix(irotpipe3,90.-1.8934,0.,90.,90.,1.8934,180.);
671 //-- rotation matrices for the tilted tube before and after the TDI
672 gMC->Matrix(irotpipe4,90.-3.8,0.,90.,90.,3.8,180.);
673 //-- rotation matrix for the tilted cone after the TDI
674 gMC->Matrix(irotpipe5,90.+9.8,0.,90.,90.,9.8,0.);
676 // -- Mother of the ZDCs (Vacuum PCON)
677 zd2 = 1910.22;// zd2 initial value
688 gMC->Gsvolu("ZDCA", "PCON", idtmed[10], conpar, 9);
689 gMC->Gspos("ZDCA", 1, "ALIC", 0., 0., 0., 0, "ONLY");
691 // To avoid overlaps 1 micron are left between certain volumes!
692 Double_t dxNoOverlap = 0.0;
693 //zd2 += dxNoOverlap;
695 // BEAM PIPE from 19.10 m to inner triplet beginning (22.965 m)
698 tubpar[2] = 386.28/2. - dxNoOverlap;
699 gMC->Gsvolu("QA01", "TUBE", idtmed[7], tubpar, 3);
700 gMC->Gspos("QA01", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
702 //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);
706 // -- FIRST SECTION OF THE BEAM PIPE (from beginning of inner triplet to
710 tubpar[2] = 3541.8/2. - dxNoOverlap;
711 gMC->Gsvolu("QA02", "TUBE", idtmed[7], tubpar, 3);
712 gMC->Gspos("QA02", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
714 //printf(" QA02 TUBE from z = %1.2f to z= %1.2f (D1 begin)\n",zd2,2*tubpar[2]+zd2);
719 // -- SECOND SECTION OF THE BEAM PIPE (from the beginning of D1 to the beginning of D2)
721 // FROM (MAGNETIC) BEGINNING OF D1 TO THE (MAGNETIC) END OF D1 + 126.5 cm
722 // CYLINDRICAL PIPE of diameter increasing from 6.75 cm up to 8.0 cm
723 // from magnetic end :
724 // 1) 80.1 cm still with ID = 6.75 radial beam screen
725 // 2) 2.5 cm conical section from ID = 6.75 to ID = 8.0 cm
726 // 3) 43.9 cm straight section (tube) with ID = 8.0 cm
730 tubpar[2] = (945.0+80.1)/2.;
731 gMC->Gsvolu("QA03", "TUBE", idtmed[7], tubpar, 3);
732 gMC->Gspos("QA03", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
734 //printf(" QA03 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
738 // Transition Cone from ID=67.5 mm to ID=80 mm
744 gMC->Gsvolu("QA04", "CONE", idtmed[7], conpar, 5);
745 gMC->Gspos("QA04", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
746 //printf(" QA04 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
752 tubpar[2] = (43.9+20.+28.5+28.5)/2.;
753 gMC->Gsvolu("QA05", "TUBE", idtmed[7], tubpar, 3);
754 gMC->Gspos("QA05", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
756 //printf(" QA05 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
760 // Second section of VAEHI (transition cone from ID=80mm to ID=98mm)
766 gMC->Gsvolu("QAV1", "CONE", idtmed[7], conpar, 5);
767 gMC->Gspos("QAV1", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
768 //printf(" QAV1 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
772 //Third section of VAEHI (transition cone from ID=98mm to ID=90mm)
778 gMC->Gsvolu("QAV2", "CONE", idtmed[7], conpar, 5);
779 gMC->Gspos("QAV2", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
780 //printf(" QAV2 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
784 // Fourth section of VAEHI (tube ID=90mm)
788 gMC->Gsvolu("QAV3", "TUBE", idtmed[7], tubpar, 3);
789 gMC->Gspos("QAV3", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
791 //printf(" QAV3 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
795 //---------------------------- TCDD beginning ----------------------------------
796 // space for the insertion of the collimator TCDD (2 m)
797 // TCDD ZONE - 1st volume
803 gMC->Gsvolu("Q01T", "CONE", idtmed[7], conpar, 5);
804 gMC->Gspos("Q01T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
805 //printf(" Q01T CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
809 // TCDD ZONE - 2nd volume
813 gMC->Gsvolu("Q02T", "TUBE", idtmed[7], tubpar, 3);
814 gMC->Gspos("Q02T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
816 //printf(" Q02T TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
820 // TCDD ZONE - third volume
826 gMC->Gsvolu("Q03T", "CONE", idtmed[7], conpar, 5);
827 gMC->Gspos("Q03T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
828 //printf(" Q03T CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
832 // TCDD ZONE - 4th volume
836 gMC->Gsvolu("Q04T", "TUBE", idtmed[7], tubpar, 3);
837 gMC->Gspos("Q04T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
839 //printf(" Q04T TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
843 // TCDD ZONE - 5th volume
846 tubpar[2] = 100.12/2.;
847 gMC->Gsvolu("Q05T", "TUBE", idtmed[7], tubpar, 3);
848 gMC->Gspos("Q05T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
850 //printf(" Q05T TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
854 // TCDD ZONE - 6th volume
858 gMC->Gsvolu("Q06T", "TUBE", idtmed[7], tubpar, 3);
859 gMC->Gspos("Q06T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
861 //printf(" Q06T TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
865 // TCDD ZONE - 7th volume
866 conpar[0] = 11.34/2.;
871 gMC->Gsvolu("Q07T", "CONE", idtmed[7], conpar, 5);
872 gMC->Gspos("Q07T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
873 //printf(" Q07T CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
877 // Upper section : one single phi segment of a tube
878 // 5 parameters for tubs: inner radius = 0.,
879 // outer radius = 7. cm, half length = 50 cm
880 // phi1 = 0., phi2 = 180.
882 tubspar[1] = 14.0/2.;
883 tubspar[2] = 100.0/2.;
886 gMC->Gsvolu("Q08T", "TUBS", idtmed[7], tubspar, 5);
888 //printf(" upper part : one single phi segment of a tube (Q08T)\n");
890 // rectangular beam pipe inside TCDD upper section (Vacuum)
894 gMC->Gsvolu("Q09T", "BOX ", idtmed[10], boxpar, 3);
895 // positioning vacuum box in the upper section of TCDD
896 gMC->Gspos("Q09T", 1, "Q08T", 0., 1.1, 0., 0, "ONLY");
898 // lower section : one single phi segment of a tube
900 tubspar[1] = 14.0/2.;
901 tubspar[2] = 100.0/2.;
904 gMC->Gsvolu("Q10T", "TUBS", idtmed[7], tubspar, 5);
905 // rectangular beam pipe inside TCDD lower section (Vacuum)
909 gMC->Gsvolu("Q11T", "BOX ", idtmed[10], boxpar, 3);
910 // positioning vacuum box in the lower section of TCDD
911 gMC->Gspos("Q11T", 1, "Q10T", 0., -1.1, 0., 0, "ONLY");
913 // positioning TCDD elements in ZDCA, (inside TCDD volume)
914 gMC->Gspos("Q08T", 1, "ZDCA", 0., 2., -100.+zd2, 0, "ONLY");
915 gMC->Gspos("Q10T", 1, "ZDCA", 0., -2., -100.+zd2, 0, "ONLY");
921 gMC->Gsvolu("Q12T", "BOX ", idtmed[7], boxpar, 3);
922 // positioning RF screen at both sides of TCDD
923 gMC->Gspos("Q12T", 1, "ZDCA", tubspar[1]+boxpar[0], 0., -100.+zd2, 0, "ONLY");
924 gMC->Gspos("Q12T", 2, "ZDCA", -tubspar[1]-boxpar[0], 0., -100.+zd2, 0, "ONLY");
925 //---------------------------- TCDD end ---------------------------------------
927 // The following elliptical tube 180 mm x 70 mm
928 // (obtained positioning the void QA09 in QA08)
929 // represents VMTSA (780 mm) + space reserved to the TCTVB (1480 mm)+
930 // VMTSA (780 mm) + first part of VCTCP (93 mm)
934 tubpar[2] = 313.3/2.;
935 gMC->Gsvolu("QA06", "ELTU", idtmed[7], tubpar, 3);
936 //printf(" QA06 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
940 tubpar[2] = 313.3/2.;
941 gMC->Gsvolu("QA07", "ELTU", idtmed[10], tubpar, 3);
942 //printf(" QA07 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
943 gMC->Gspos("QA06", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
944 gMC->Gspos("QA07", 1, "QA06", 0., 0., 0., 0, "ONLY");
946 // Vertical collimator jaws (defined ONLY if fVCollAperture<3.5!)
947 if(fVCollAperture<3.5){
949 boxpar[1] = (3.5-fVCollAperture-fVCollCentreY-0.7)/2.;
950 if(boxpar[1]<0.) boxpar[1]=0.;
951 boxpar[2] = 124.4/2.;
952 gMC->Gsvolu("QCVA" , "BOX ", idtmed[13], boxpar, 3);
953 gMC->Gspos("QCVA", 1, "QA07", -boxpar[0], fVCollAperture+fVCollCentreY+boxpar[1], -313.3/2.+78.+148./2., 0, "ONLY");
954 gMC->Gspos("QCVA", 2, "QA07", -boxpar[0], -fVCollAperture+fVCollCentreY-boxpar[1], -313.3/2.+78.+148./2., 0, "ONLY");
959 // VCTCP second part: transition cone from ID=180 to ID=212.7
963 conpar[3] = 21.27/2.;
964 conpar[4] = 21.87/2.;
965 gMC->Gsvolu("QA08", "CONE", idtmed[7], conpar, 5);
966 gMC->Gspos("QA08", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
968 //printf(" QA08 CONE from z = %Third part of VCTCR: tube (ID=196 mm) f to z = %f\n",zd2,2*conpar[0]+zd2);
973 // Represents VCTCP third part (92 mm) + VCDWB (765 mm) + VMBGA (400 mm) +
974 // VCDWE (300 mm) + VMBGA (400 mm)
975 tubpar[0] = 21.27/2.;
976 tubpar[1] = 21.87/2.;
977 tubpar[2] = 195.7/2.;
978 gMC->Gsvolu("QA09", "TUBE", idtmed[7], tubpar, 3);
979 gMC->Gspos("QA09", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
980 //printf(" QA09 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
984 // skewed transition piece (ID=212.7 mm to 332 mm) (before TDI)
985 conpar[0] = (50.0-0.73-1.13)/2.;
986 conpar[1] = 21.27/2.;
987 conpar[2] = 21.87/2.;
990 gMC->Gsvolu("QA10", "CONE", idtmed[7], conpar, 5);
991 gMC->Gspos("QA10", 1, "ZDCA", -1.66, 0., conpar[0]+0.73+zd2, irotpipe4, "ONLY");
993 //printf(" QA10 skewed CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+0.73+1.13+zd2);
995 zd2 += 2.*conpar[0]+0.73+1.13;
997 // Vacuum chamber containing TDI
1000 tubpar[2] = 540.0/2.;
1001 gMC->Gsvolu("Q13TM", "TUBE", idtmed[10], tubpar, 3);
1002 gMC->Gspos("Q13TM", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1003 tubpar[0] = 54.0/2.;
1004 tubpar[1] = 54.6/2.;
1005 tubpar[2] = 540.0/2.;
1006 gMC->Gsvolu("Q13T", "TUBE", idtmed[7], tubpar, 3);
1007 gMC->Gspos("Q13T", 1, "Q13TM", 0., 0., 0., 0, "ONLY");
1009 //printf(" Q13T TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1011 zd2 += 2.*tubpar[2];
1013 //---------------- INSERT TDI INSIDE Q13T -----------------------------------
1014 boxpar[0] = 11.0/2.;
1016 boxpar[2] = 540.0/2.;
1017 gMC->Gsvolu("QTD1", "BOX ", idtmed[7], boxpar, 3);
1018 gMC->Gspos("QTD1", 1, "Q13TM", -3.8, 10.5, 0., 0, "ONLY");
1019 boxpar[0] = 11.0/2.;
1021 boxpar[2] = 540.0/2.;
1022 gMC->Gsvolu("QTD2", "BOX ", idtmed[7], boxpar, 3);
1023 gMC->Gspos("QTD2", 1, "Q13TM", -3.8, -10.5, 0., 0, "ONLY");
1026 boxpar[2] = 540.0/2.;
1027 gMC->Gsvolu("QTD3", "BOX ", idtmed[7], boxpar, 3);
1028 gMC->Gspos("QTD3", 1, "Q13TM", -3.8+5.5+boxpar[0], 6.1, 0., 0, "ONLY");
1029 gMC->Gspos("QTD3", 2, "Q13TM", -3.8+5.5+boxpar[0], -6.1, 0., 0, "ONLY");
1030 gMC->Gspos("QTD3", 3, "Q13TM", -3.8-5.5-boxpar[0], 6.1, 0., 0, "ONLY");
1031 gMC->Gspos("QTD3", 4, "Q13TM", -3.8-5.5-boxpar[0], -6.1, 0., 0, "ONLY");
1033 tubspar[0] = 12.0/2.;
1034 tubspar[1] = 12.4/2.;
1035 tubspar[2] = 540.0/2.;
1038 gMC->Gsvolu("QTD4", "TUBS", idtmed[7], tubspar, 5);
1039 gMC->Gspos("QTD4", 1, "Q13TM", -3.8-10.6, 0., 0., 0, "ONLY");
1040 tubspar[0] = 12.0/2.;
1041 tubspar[1] = 12.4/2.;
1042 tubspar[2] = 540.0/2.;
1045 gMC->Gsvolu("QTD5", "TUBS", idtmed[7], tubspar, 5);
1046 gMC->Gspos("QTD5", 1, "Q13TM", -3.8+10.6, 0., 0., 0, "ONLY");
1047 //---------------- END DEFINING TDI INSIDE Q13T -------------------------------
1049 // VCTCG skewed transition piece (ID=332 mm to 212.7 mm) (after TDI)
1050 conpar[0] = (50.0-2.92-1.89)/2.;
1051 conpar[1] = 33.2/2.;
1052 conpar[2] = 33.8/2.;
1053 conpar[3] = 21.27/2.;
1054 conpar[4] = 21.87/2.;
1055 gMC->Gsvolu("QA11", "CONE", idtmed[7], conpar, 5);
1056 gMC->Gspos("QA11", 1, "ZDCA", 4.32-3.8, 0., conpar[0]+2.92+zd2, irotpipe5, "ONLY");
1058 //printf(" QA11 skewed CONE from z = %f to z =%f\n",zd2,2*conpar[0]+2.92+1.89+zd2);
1060 zd2 += 2.*conpar[0]+2.92+1.89;
1062 // The following tube ID 212.7 mm
1063 // represents VMBGA (400 mm) + VCDWE (300 mm) + VMBGA (400 mm) +
1064 // BTVTS (600 mm) + VMLGB (400 mm)
1065 tubpar[0] = 21.27/2.;
1066 tubpar[1] = 21.87/2.;
1067 tubpar[2] = 210.0/2.;
1068 gMC->Gsvolu("QA12", "TUBE", idtmed[7], tubpar, 3);
1069 gMC->Gspos("QA12", 1, "ZDCA", 4., 0., tubpar[2]+zd2, 0, "ONLY");
1071 //printf(" QA12 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1073 zd2 += 2.*tubpar[2];
1075 // First part of VCTCC
1076 // skewed transition cone from ID=212.7 mm to ID=797 mm
1077 conpar[0] = (121.0-0.37-1.35)/2.;
1078 conpar[1] = 21.27/2.;
1079 conpar[2] = 21.87/2.;
1080 conpar[3] = 79.7/2.;
1081 conpar[4] = 81.3/2.;
1082 gMC->Gsvolu("QA13", "CONE", idtmed[7], conpar, 5);
1083 gMC->Gspos("QA13", 1, "ZDCA", 4.-2., 0., conpar[0]+0.37+zd2, irotpipe3, "ONLY");
1085 //printf(" QA13 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+0.37+1.35+zd2);
1087 zd2 += 2.*conpar[0]+0.37+1.35;
1089 // The following tube ID 797 mm --- (volume QA16)
1090 // represents the second part of VCTCC (4272 mm) +
1091 // 4 x VCDGA (4 x 4272 mm) +
1092 // the first part of VCTCR (850 mm)
1093 tubpar[0] = 79.7/2.;
1094 tubpar[1] = 81.3/2.;
1095 tubpar[2] = 2221./2.;
1096 gMC->Gsvolu("QA14", "TUBE", idtmed[7], tubpar, 3);
1097 gMC->Gspos("QA14", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1099 //printf(" QA14 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1101 zd2 += 2.*tubpar[2];
1103 // Second part of VCTCR
1104 // Transition from ID=797 mm to ID=196 mm:
1105 // in order to simulate the thin window opened in the transition cone
1106 // we divide the transition cone in three cones:
1107 // (1) 8 mm thick (2) 3 mm thick (3) the third 8 mm thick
1110 conpar[0] = 9.09/2.; // 15 degree
1111 conpar[1] = 79.7/2.;
1112 conpar[2] = 81.3/2.; // thickness 8 mm
1113 conpar[3] = 74.82868/2.;
1114 conpar[4] = 76.42868/2.; // thickness 8 mm
1115 gMC->Gsvolu("QA15", "CONE", idtmed[7], conpar, 5);
1116 gMC->Gspos("QA15", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1117 //printf(" QA15 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1119 zd2 += 2.*conpar[0];
1122 conpar[0] = 96.2/2.; // 15 degree
1123 conpar[1] = 74.82868/2.;
1124 conpar[2] = 75.42868/2.; // thickness 3 mm
1125 conpar[3] = 23.19588/2.;
1126 conpar[4] = 23.79588/2.; // thickness 3 mm
1127 gMC->Gsvolu("QA16", "CONE", idtmed[7], conpar, 5);
1128 gMC->Gspos("QA16", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1129 //printf(" QA16 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1131 zd2 += 2.*conpar[0];
1134 conpar[0] = 6.71/2.; // 15 degree
1135 conpar[1] = 23.19588/2.;
1136 conpar[2] = 24.79588/2.;// thickness 8 mm
1137 conpar[3] = 19.6/2.;
1138 conpar[4] = 21.2/2.;// thickness 8 mm
1139 gMC->Gsvolu("QA17", "CONE", idtmed[7], conpar, 5);
1140 gMC->Gspos("QA17", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1141 //printf(" QA19 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1143 zd2 += 2.*conpar[0];
1145 // Third part of VCTCR: tube (ID=196 mm)
1146 tubpar[0] = 19.6/2.;
1147 tubpar[1] = 21.2/2.;
1148 tubpar[2] = 9.55/2.;
1149 gMC->Gsvolu("QA18", "TUBE", idtmed[7], tubpar, 3);
1150 gMC->Gspos("QA18", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1152 //printf(" QA18 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1154 zd2 += 2.*tubpar[2];
1156 // Flange (ID=196 mm) (last part of VCTCR and first part of VMZAR)
1157 tubpar[0] = 19.6/2.;
1158 tubpar[1] = 25.3/2.;
1160 gMC->Gsvolu("QF01", "TUBE", idtmed[7], tubpar, 3);
1161 gMC->Gspos("QF01", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1163 //printf(" QF01 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1165 zd2 += 2.*tubpar[2];
1167 // VMZAR (5 volumes)
1168 tubpar[0] = 20.2/2.;
1169 tubpar[1] = 20.6/2.;
1170 tubpar[2] = 2.15/2.;
1171 gMC->Gsvolu("QA19", "TUBE", idtmed[7], tubpar, 3);
1172 gMC->Gspos("QA19", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1174 //printf(" QA19 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1176 zd2 += 2.*tubpar[2];
1179 conpar[1] = 20.2/2.;
1180 conpar[2] = 20.6/2.;
1181 conpar[3] = 23.9/2.;
1182 conpar[4] = 24.3/2.;
1183 gMC->Gsvolu("QA20", "CONE", idtmed[7], conpar, 5);
1184 gMC->Gspos("QA20", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1186 //printf(" QA20 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1188 zd2 += 2.*conpar[0];
1190 tubpar[0] = 23.9/2.;
1191 tubpar[1] = 25.5/2.;
1192 tubpar[2] = 17.0/2.;
1193 gMC->Gsvolu("QA21", "TUBE", idtmed[7], tubpar, 3);
1194 gMC->Gspos("QA21", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1196 //printf(" QA21 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1198 zd2 += 2.*tubpar[2];
1201 conpar[1] = 23.9/2.;
1202 conpar[2] = 24.3/2.;
1203 conpar[3] = 20.2/2.;
1204 conpar[4] = 20.6/2.;
1205 gMC->Gsvolu("QA22", "CONE", idtmed[7], conpar, 5);
1206 gMC->Gspos("QA22", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1208 //printf(" QA22 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1210 zd2 += 2.*conpar[0];
1212 tubpar[0] = 20.2/2.;
1213 tubpar[1] = 20.6/2.;
1214 tubpar[2] = 2.15/2.;
1215 gMC->Gsvolu("QA23", "TUBE", idtmed[7], tubpar, 3);
1216 gMC->Gspos("QA23", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1218 //printf(" QA23 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1220 zd2 += 2.*tubpar[2];
1222 // Flange (ID=196 mm)(last part of VMZAR and first part of VCTYD)
1223 tubpar[0] = 19.6/2.;
1224 tubpar[1] = 25.3/2.;
1226 gMC->Gsvolu("QF02", "TUBE", idtmed[7], tubpar, 3);
1227 gMC->Gspos("QF02", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1229 //printf(" QF02 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1231 zd2 += 2.*tubpar[2];
1233 // simulation of the trousers (VCTYB)
1234 tubpar[0] = 19.6/2.;
1235 tubpar[1] = 20.0/2.;
1237 gMC->Gsvolu("QA24", "TUBE", idtmed[7], tubpar, 3);
1238 gMC->Gspos("QA24", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1240 //printf(" QA24 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1242 zd2 += 2.*tubpar[2];
1244 // transition cone from ID=196. to ID=216.6
1245 conpar[0] = 32.55/2.;
1246 conpar[1] = 19.6/2.;
1247 conpar[2] = 20.0/2.;
1248 conpar[3] = 21.66/2.;
1249 conpar[4] = 22.06/2.;
1250 gMC->Gsvolu("QA25", "CONE", idtmed[7], conpar, 5);
1251 gMC->Gspos("QA25", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1253 //printf(" QA25 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1255 zd2 += 2.*conpar[0];
1258 tubpar[0] = 21.66/2.;
1259 tubpar[1] = 22.06/2.;
1260 tubpar[2] = 28.6/2.;
1261 gMC->Gsvolu("QA26", "TUBE", idtmed[7], tubpar, 3);
1262 gMC->Gspos("QA26", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1264 //printf(" QA26 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1266 zd2 += 2.*tubpar[2];
1268 // --------------------------------------------------------
1269 // RECOMBINATION CHAMBER IMPLEMENTED USING TGeo CLASSES!!!!
1270 // author: Chiara (June 2008)
1271 // --------------------------------------------------------
1272 // TRANSFORMATION MATRICES
1273 // Combi transformation:
1278 thx = 84.989100; phx = 0.000000;
1279 thy = 90.000000; phy = 90.000000;
1280 thz = 5.010900; phz = 180.000000;
1281 TGeoRotation *rotMatrix1 = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
1282 // Combi transformation:
1286 TGeoCombiTrans *rotMatrix2 = new TGeoCombiTrans("ZDC_c1", dx,dy,dz,rotMatrix1);
1287 rotMatrix2->RegisterYourself();
1288 // Combi transformation:
1293 thx = 95.010900; phx = 0.000000;
1294 thy = 90.000000; phy = 90.000000;
1295 thz = 5.010900; phz = 0.000000;
1296 TGeoRotation *rotMatrix3 = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
1297 TGeoCombiTrans *rotMatrix4 = new TGeoCombiTrans("ZDC_c2", dx,dy,dz,rotMatrix3);
1298 rotMatrix4->RegisterYourself();
1301 // VOLUMES DEFINITION
1303 TGeoVolume *pZDCA = gGeoManager->GetVolume("ZDCA");
1305 conpar[0] = (90.1-0.95-0.26)/2.;
1307 conpar[2] = 21.6/2.;
1310 new TGeoCone("QALext", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
1312 conpar[0] = (90.1-0.95-0.26)/2.;
1314 conpar[2] = 21.2/2.;
1317 new TGeoCone("QALint", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
1320 TGeoCompositeShape *pOutTrousers = new TGeoCompositeShape("outTrousers", "QALext:ZDC_c1+QALext:ZDC_c2");
1323 //TGeoMedium *medZDCFe = gGeoManager->GetMedium("ZDC_ZIRON");
1324 TGeoVolume *pQALext = new TGeoVolume("QALext",pOutTrousers, medZDCFe);
1325 pQALext->SetLineColor(kBlue);
1326 pQALext->SetVisLeaves(kTRUE);
1328 TGeoTranslation *tr1 = new TGeoTranslation(0., 0., (Double_t) conpar[0]+0.95+zd2);
1329 pZDCA->AddNode(pQALext, 1, tr1);
1331 TGeoCompositeShape *pIntTrousers = new TGeoCompositeShape("intTrousers", "QALint:ZDC_c1+QALint:ZDC_c2");
1333 //TGeoMedium *medZDCvoid = gGeoManager->GetMedium("ZDC_ZVOID");
1334 TGeoVolume *pQALint = new TGeoVolume("QALint",pIntTrousers, medZDCvoid);
1335 pQALint->SetLineColor(kAzure);
1336 pQALint->SetVisLeaves(kTRUE);
1337 pQALext->AddNode(pQALint, 1);
1341 // second section : 2 tubes (ID = 54. OD = 58.)
1344 tubpar[2] = 40.0/2.;
1345 gMC->Gsvolu("QA27", "TUBE", idtmed[7], tubpar, 3);
1346 gMC->Gspos("QA27", 1, "ZDCA", -15.8/2., 0., tubpar[2]+zd2, 0, "ONLY");
1347 gMC->Gspos("QA27", 2, "ZDCA", 15.8/2., 0., tubpar[2]+zd2, 0, "ONLY");
1349 //printf(" QA27 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1351 zd2 += 2.*tubpar[2];
1353 // transition x2zdc to recombination chamber : skewed cone
1354 conpar[0] = (10.-1.)/2.;
1359 gMC->Gsvolu("QA28", "CONE", idtmed[7], conpar, 5);
1360 gMC->Gspos("QA28", 1, "ZDCA", -7.9-0.175, 0., conpar[0]+0.5+zd2, irotpipe1, "ONLY");
1361 gMC->Gspos("QA28", 2, "ZDCA", 7.9+0.175, 0., conpar[0]+0.5+zd2, irotpipe2, "ONLY");
1362 //printf(" QA28 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+0.2+zd2);
1364 zd2 += 2.*conpar[0]+1.;
1366 // 2 tubes (ID = 63 mm OD=70 mm)
1369 tubpar[2] = (342.5+498.3)/2.;
1370 gMC->Gsvolu("QA29", "TUBE", idtmed[7], tubpar, 3);
1371 gMC->Gspos("QA29", 1, "ZDCA", -16.5/2., 0., tubpar[2]+zd2, 0, "ONLY");
1372 gMC->Gspos("QA29", 2, "ZDCA", 16.5/2., 0., tubpar[2]+zd2, 0, "ONLY");
1373 //printf(" QA29 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1375 zd2 += 2.*tubpar[2];
1377 // -- Luminometer (Cu box) in front of ZN - side A
1380 boxpar[2] = fLumiLength/2.;
1381 gMC->Gsvolu("QLUA", "BOX ", idtmed[9], boxpar, 3);
1382 gMC->Gspos("QLUA", 1, "ZDCA", 0., 0., fPosZNA[2]-66.-boxpar[2], 0, "ONLY");
1383 //printf(" QLUA LUMINOMETER from z = %1.2f to z= %1.2f\n\n", fPosZNA[2]-66., fPosZNA[2]-66.-2*boxpar[2]);
1385 //printf(" END OF BEAM PIPE VOLUME DEFINITION AT z = %f\n",zd2);
1388 // ----------------------------------------------------------------
1389 // -- MAGNET DEFINITION -> LHC OPTICS 6.5
1390 // ----------------------------------------------------------------
1391 // ***************************************************************
1392 // SIDE C - RB26 (dimuon side)
1393 // ***************************************************************
1394 // -- COMPENSATOR DIPOLE (MBXW)
1397 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1400 tubpar[2] = 153./2.;
1401 gMC->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3);
1406 tubpar[2] = 153./2.;
1407 gMC->Gsvolu("YMBX", "TUBE", idtmed[7], tubpar, 3);
1409 gMC->Gspos("MBXW", 1, "ZDCC", 0., 0., -tubpar[2]-zCorrDip, 0, "ONLY");
1410 gMC->Gspos("YMBX", 1, "ZDCC", 0., 0., -tubpar[2]-zCorrDip, 0, "ONLY");
1416 // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT
1418 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1421 tubpar[2] = 637./2.;
1422 gMC->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3);
1427 tubpar[2] = 637./2.;
1428 gMC->Gsvolu("YMQL", "TUBE", idtmed[7], tubpar, 3);
1430 gMC->Gspos("MQXL", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip, 0, "ONLY");
1431 gMC->Gspos("YMQL", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip, 0, "ONLY");
1433 gMC->Gspos("MQXL", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-2400., 0, "ONLY");
1434 gMC->Gspos("YMQL", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-2400., 0, "ONLY");
1437 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1440 tubpar[2] = 550./2.;
1441 gMC->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3);
1446 tubpar[2] = 550./2.;
1447 gMC->Gsvolu("YMQ ", "TUBE", idtmed[7], tubpar, 3);
1449 gMC->Gspos("MQX ", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-908.5, 0, "ONLY");
1450 gMC->Gspos("YMQ ", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-908.5, 0, "ONLY");
1452 gMC->Gspos("MQX ", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-1558.5, 0, "ONLY");
1453 gMC->Gspos("YMQ ", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-1558.5, 0, "ONLY");
1455 // -- SEPARATOR DIPOLE D1
1458 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1461 tubpar[2] = 945./2.;
1462 gMC->Gsvolu("MD1 ", "TUBE", idtmed[11], tubpar, 3);
1464 // -- Insert horizontal Cu plates inside D1
1465 // -- (to simulate the vacuum chamber)
1466 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.98+0.2)*(2.98+0.2)) - 0.05;
1468 boxpar[2] = 945./2.;
1469 gMC->Gsvolu("MD1V", "BOX ", idtmed[6], boxpar, 3);
1470 gMC->Gspos("MD1V", 1, "MD1 ", 0., 2.98+boxpar[1], 0., 0, "ONLY");
1471 gMC->Gspos("MD1V", 2, "MD1 ", 0., -2.98-boxpar[1], 0., 0, "ONLY");
1475 tubpar[1] = 110./2.;
1476 tubpar[2] = 945./2.;
1477 gMC->Gsvolu("YD1 ", "TUBE", idtmed[7], tubpar, 3);
1479 gMC->Gspos("YD1 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD1, 0, "ONLY");
1480 gMC->Gspos("MD1 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD1, 0, "ONLY");
1482 //printf(" MD1 from z = %1.2f to z= %1.2f cm\n",-zD1, -zD1-2*tubpar[2]);
1486 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1489 tubpar[2] = 945./2.;
1490 gMC->Gsvolu("MD2 ", "TUBE", idtmed[11], tubpar, 3);
1495 tubpar[2] = 945./2.;
1496 gMC->Gsvolu("YD2 ", "TUBE", idtmed[7], tubpar, 3);
1498 gMC->Gspos("YD2 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD2, 0, "ONLY");
1500 //printf(" YD2 from z = %1.2f to z= %1.2f cm\n",-zD2, -zD2-2*tubpar[2]);
1502 gMC->Gspos("MD2 ", 1, "YD2 ", -9.4, 0., 0., 0, "ONLY");
1503 gMC->Gspos("MD2 ", 2, "YD2 ", 9.4, 0., 0., 0, "ONLY");
1505 // ***************************************************************
1507 // ***************************************************************
1509 // COMPENSATOR DIPOLE (MCBWA) (2nd compensator)
1510 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1513 tubpar[2] = 153./2.;
1514 gMC->Gsvolu("MCBW", "TUBE", idtmed[11], tubpar, 3);
1515 gMC->Gspos("MCBW", 1, "ZDCA", 0., 0., tubpar[2]+zCorrDip, 0, "ONLY");
1520 tubpar[2] = 153./2.;
1521 gMC->Gsvolu("YMCB", "TUBE", idtmed[7], tubpar, 3);
1522 gMC->Gspos("YMCB", 1, "ZDCA", 0., 0., tubpar[2]+zCorrDip, 0, "ONLY");
1525 // -- DEFINE MQX1 AND MQX2 QUADRUPOLE ELEMENT
1527 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1530 tubpar[2] = 637./2.;
1531 gMC->Gsvolu("MQX1", "TUBE", idtmed[11], tubpar, 3);
1532 gMC->Gsvolu("MQX4", "TUBE", idtmed[11], tubpar, 3);
1537 tubpar[2] = 637./2.;
1538 gMC->Gsvolu("YMQ1", "TUBE", idtmed[7], tubpar, 3);
1541 gMC->Gspos("MQX1", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip, 0, "ONLY");
1542 gMC->Gspos("YMQ1", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip, 0, "ONLY");
1544 // -- BEAM SCREEN FOR Q1
1545 tubpar[0] = 4.78/2.;
1546 tubpar[1] = 5.18/2.;
1547 tubpar[2] = 637./2.;
1548 gMC->Gsvolu("QBS1", "TUBE", idtmed[6], tubpar, 3);
1549 gMC->Gspos("QBS1", 1, "MQX1", 0., 0., 0., 0, "ONLY");
1550 // INSERT VERTICAL PLATE INSIDE Q1
1551 boxpar[0] = 0.2/2.0;
1552 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(1.9+0.2)*(1.9+0.2));
1554 gMC->Gsvolu("QBS2", "BOX ", idtmed[6], boxpar, 3);
1555 gMC->Gspos("QBS2", 1, "MQX1", 1.9+boxpar[0], 0., 0., 0, "ONLY");
1556 gMC->Gspos("QBS2", 2, "MQX1", -1.9-boxpar[0], 0., 0., 0, "ONLY");
1559 gMC->Gspos("MQX4", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+2400., 0, "ONLY");
1560 gMC->Gspos("YMQ1", 2, "ZDCA", 0., 0., tubpar[2]+zInnTrip+2400., 0, "ONLY");
1562 // -- BEAM SCREEN FOR Q3
1563 tubpar[0] = 5.79/2.;
1564 tubpar[1] = 6.14/2.;
1565 tubpar[2] = 637./2.;
1566 gMC->Gsvolu("QBS3", "TUBE", idtmed[6], tubpar, 3);
1567 gMC->Gspos("QBS3", 1, "MQX4", 0., 0., 0., 0, "ONLY");
1568 // INSERT VERTICAL PLATE INSIDE Q3
1569 boxpar[0] = 0.2/2.0;
1570 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(2.405+0.2)*(2.405+0.2));
1572 gMC->Gsvolu("QBS4", "BOX ", idtmed[6], boxpar, 3);
1573 gMC->Gspos("QBS4", 1, "MQX4", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1574 gMC->Gspos("QBS4", 2, "MQX4", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1579 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1582 tubpar[2] = 550./2.;
1583 gMC->Gsvolu("MQX2", "TUBE", idtmed[11], tubpar, 3);
1584 gMC->Gsvolu("MQX3", "TUBE", idtmed[11], tubpar, 3);
1589 tubpar[2] = 550./2.;
1590 gMC->Gsvolu("YMQ2", "TUBE", idtmed[7], tubpar, 3);
1592 // -- BEAM SCREEN FOR Q2
1593 tubpar[0] = 5.79/2.;
1594 tubpar[1] = 6.14/2.;
1595 tubpar[2] = 550./2.;
1596 gMC->Gsvolu("QBS5", "TUBE", idtmed[6], tubpar, 3);
1597 // VERTICAL PLATE INSIDE Q2
1598 boxpar[0] = 0.2/2.0;
1599 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(2.405+0.2)*(2.405+0.2));
1601 gMC->Gsvolu("QBS6", "BOX ", idtmed[6], boxpar, 3);
1604 gMC->Gspos("MQX2", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+908.5, 0, "ONLY");
1605 gMC->Gspos("QBS5", 1, "MQX2", 0., 0., 0., 0, "ONLY");
1606 gMC->Gspos("QBS6", 1, "MQX2", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1607 gMC->Gspos("QBS6", 2, "MQX2", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1608 gMC->Gspos("YMQ2", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+908.5, 0, "ONLY");
1612 gMC->Gspos("MQX3", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+1558.5, 0, "ONLY");
1613 gMC->Gspos("QBS5", 2, "MQX3", 0., 0., 0., 0, "ONLY");
1614 gMC->Gspos("QBS6", 3, "MQX3", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1615 gMC->Gspos("QBS6", 4, "MQX3", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1616 gMC->Gspos("YMQ2", 2, "ZDCA", 0., 0., tubpar[2]+zInnTrip+1558.5, 0, "ONLY");
1618 // -- SEPARATOR DIPOLE D1
1619 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1621 tubpar[1] = 6.75/2.;//3.375
1622 tubpar[2] = 945./2.;
1623 gMC->Gsvolu("MD1L", "TUBE", idtmed[11], tubpar, 3);
1625 // -- The beam screen tube is provided by the beam pipe in D1 (QA03 volume)
1626 // -- Insert the beam screen horizontal Cu plates inside D1
1627 // -- (to simulate the vacuum chamber)
1628 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.885+0.2)*(2.885+0.2));
1631 gMC->Gsvolu("QBS7", "BOX ", idtmed[6], boxpar, 3);
1632 gMC->Gspos("QBS7", 1, "MD1L", 0., 2.885+boxpar[1],0., 0, "ONLY");
1633 gMC->Gspos("QBS7", 2, "MD1L", 0., -2.885-boxpar[1],0., 0, "ONLY");
1638 tubpar[2] = 945./2.;
1639 gMC->Gsvolu("YD1L", "TUBE", idtmed[7], tubpar, 3);
1641 gMC->Gspos("YD1L", 1, "ZDCA", 0., 0., tubpar[2]+zD1, 0, "ONLY");
1642 gMC->Gspos("MD1L", 1, "ZDCA", 0., 0., tubpar[2]+zD1, 0, "ONLY");
1645 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1647 tubpar[1] = 7.5/2.; // this has to be checked
1648 tubpar[2] = 945./2.;
1649 gMC->Gsvolu("MD2L", "TUBE", idtmed[11], tubpar, 3);
1654 tubpar[2] = 945./2.;
1655 gMC->Gsvolu("YD2L", "TUBE", idtmed[7], tubpar, 3);
1657 gMC->Gspos("YD2L", 1, "ZDCA", 0., 0., tubpar[2]+zD2, 0, "ONLY");
1659 gMC->Gspos("MD2L", 1, "YD2L", -9.4, 0., 0., 0, "ONLY");
1660 gMC->Gspos("MD2L", 2, "YD2L", 9.4, 0., 0., 0, "ONLY");
1662 // -- END OF MAGNET DEFINITION
1665 //_____________________________________________________________________________
1666 void AliZDCv3::CreateZDC()
1669 // Create the various ZDCs (ZN + ZP)
1672 Float_t dimPb[6], dimVoid[6];
1674 Int_t *idtmed = fIdtmed->GetArray();
1676 // Parameters for hadronic calorimeters geometry
1677 // NB -> parameters used ONLY in CreateZDC()
1678 Float_t fGrvZN[3] = {0.03, 0.03, 50.}; // Grooves for neutron detector
1679 Float_t fGrvZP[3] = {0.04, 0.04, 75.}; // Grooves for proton detector
1680 Int_t fDivZN[3] = {11, 11, 0}; // Division for neutron detector
1681 Int_t fDivZP[3] = {7, 15, 0}; // Division for proton detector
1682 Int_t fTowZN[2] = {2, 2}; // Tower for neutron detector
1683 Int_t fTowZP[2] = {4, 1}; // Tower for proton detector
1685 // Parameters for EM calorimeter geometry
1686 // NB -> parameters used ONLY in CreateZDC()
1687 Float_t kDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
1688 Float_t kFibRadZEM = 0.0315; // External fiber radius (including cladding)
1689 Int_t fDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
1690 Float_t fDimZEM[6] = {fZEMLength, 3.5, 3.5, 45., 0., 0.}; // Dimensions of EM detector
1691 Float_t fFibZEM2 = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-kFibRadZEM;
1692 Float_t fFibZEM[3] = {0., 0.0275, fFibZEM2}; // Fibers for EM calorimeter
1695 //-- Create calorimeters geometry
1697 // -------------------------------------------------------------------------------
1698 //--> Neutron calorimeter (ZN)
1700 gMC->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material
1701 gMC->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material
1702 gMC->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3);
1703 gMC->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3);
1704 gMC->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3);
1705 gMC->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves
1706 gMC->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3);
1707 gMC->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3);
1708 gMC->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3);
1710 // Divide ZNEU in towers (for hits purposes)
1712 gMC->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower
1713 gMC->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower
1715 //-- Divide ZN1 in minitowers
1716 // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS,
1717 // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS
1718 // (4 fibres per minitower)
1720 gMC->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices
1721 gMC->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks
1723 // --- Position the empty grooves in the sticks (4 grooves per stick)
1724 Float_t dx = fDimZN[0] / fDivZN[0] / 4.;
1725 Float_t dy = fDimZN[1] / fDivZN[1] / 4.;
1727 gMC->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY");
1728 gMC->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY");
1729 gMC->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY");
1730 gMC->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY");
1732 // --- Position the fibers in the grooves
1733 gMC->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY");
1734 gMC->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY");
1735 gMC->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY");
1736 gMC->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY");
1738 // --- Position the neutron calorimeter in ZDC
1739 // -- Rotation of ZDCs
1741 gMC->Matrix(irotzdc, 90., 180., 90., 90., 180., 0.);
1743 gMC->Gspos("ZNEU", 1, "ZDCC", fPosZNC[0], fPosZNC[1], fPosZNC[2]-fDimZN[2], irotzdc, "ONLY");
1745 //printf("\n ZN -> %f < z < %f cm\n",fPosZN[2],fPosZN[2]-2*fDimZN[2]);
1747 // --- Position the neutron calorimeter in ZDC2 (left line)
1748 // -- No Rotation of ZDCs
1749 gMC->Gspos("ZNEU", 2, "ZDCA", fPosZNA[0], fPosZNA[1], fPosZNA[2]+fDimZN[2], 0, "ONLY");
1751 //printf("\n ZN left -> %f < z < %f cm\n",fPosZNl[2],fPosZNl[2]+2*fDimZN[2]);
1754 // -------------------------------------------------------------------------------
1755 //--> Proton calorimeter (ZP)
1757 gMC->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material
1758 gMC->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material
1759 gMC->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3);
1760 gMC->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3);
1761 gMC->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3);
1762 gMC->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves
1763 gMC->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3);
1764 gMC->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3);
1765 gMC->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3);
1767 //-- Divide ZPRO in towers(for hits purposes)
1769 gMC->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower
1770 gMC->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower
1773 //-- Divide ZP1 in minitowers
1774 // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER,
1775 // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER
1776 // (4 fiber per minitower)
1778 gMC->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices
1779 gMC->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks
1781 // --- Position the empty grooves in the sticks (4 grooves per stick)
1782 dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.;
1783 dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.;
1785 gMC->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY");
1786 gMC->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY");
1787 gMC->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY");
1788 gMC->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY");
1790 // --- Position the fibers in the grooves
1791 gMC->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY");
1792 gMC->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY");
1793 gMC->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY");
1794 gMC->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY");
1797 // --- Position the proton calorimeter in ZDCC
1798 gMC->Gspos("ZPRO", 1, "ZDCC", fPosZPC[0], fPosZPC[1], fPosZPC[2]-fDimZP[2], irotzdc, "ONLY");
1800 //printf("\n ZP -> %f < z < %f cm\n",fPosZP[2],fPosZP[2]-2*fDimZP[2]);
1802 // --- Position the proton calorimeter in ZDCA
1804 gMC->Gspos("ZPRO", 2, "ZDCA", fPosZPA[0], fPosZPA[1], fPosZPA[2]+fDimZP[2], 0, "ONLY");
1806 //printf("\n ZP left -> %f < z < %f cm\n",fPosZPl[2],fPosZPl[2]+2*fDimZP[2]);
1809 // -------------------------------------------------------------------------------
1810 // -> EM calorimeter (ZEM)
1812 gMC->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6);
1815 gMC->Matrix(irot1,0.,0.,90.,90.,-90.,0.); // Rotation matrix 1
1816 gMC->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]);// Rotation matrix 2
1817 //printf("irot1 = %d, irot2 = %d \n", irot1, irot2);
1819 gMC->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material
1821 gMC->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches
1823 dimPb[0] = kDimZEMPb; // Lead slices
1824 dimPb[1] = fDimZEM[2];
1825 dimPb[2] = fDimZEM[1];
1826 //dimPb[3] = fDimZEM[3]; //controllare
1827 dimPb[3] = 90.-fDimZEM[3]; //originale
1830 gMC->Gsvolu("ZEL0", "PARA", idtmed[5], dimPb, 6);
1831 gMC->Gsvolu("ZEL1", "PARA", idtmed[5], dimPb, 6);
1832 gMC->Gsvolu("ZEL2", "PARA", idtmed[5], dimPb, 6);
1834 // --- Position the lead slices in the tranche
1835 Float_t zTran = fDimZEM[0]/fDivZEM[2];
1836 Float_t zTrPb = -zTran+kDimZEMPb;
1837 gMC->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY");
1838 gMC->Gspos("ZEL1", 1, "ZETR", kDimZEMPb, 0., 0., 0, "ONLY");
1840 // --- Vacuum zone (to be filled with fibres)
1841 dimVoid[0] = (zTran-2*kDimZEMPb)/2.;
1842 dimVoid[1] = fDimZEM[2];
1843 dimVoid[2] = fDimZEM[1];
1844 dimVoid[3] = 90.-fDimZEM[3];
1847 gMC->Gsvolu("ZEV0", "PARA", idtmed[10], dimVoid,6);
1848 gMC->Gsvolu("ZEV1", "PARA", idtmed[10], dimVoid,6);
1850 // --- Divide the vacuum slice into sticks along x axis
1851 gMC->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3);
1852 gMC->Gsdvn("ZES1", "ZEV1", fDivZEM[0], 3);
1854 // --- Positioning the fibers into the sticks
1855 gMC->Gspos("ZEMF", 1,"ZES0", 0., 0., 0., irot2, "ONLY");
1856 gMC->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY");
1858 // --- Positioning the vacuum slice into the tranche
1859 //Float_t displFib = fDimZEM[1]/fDivZEM[0];
1860 gMC->Gspos("ZEV0", 1,"ZETR", -dimVoid[0], 0., 0., 0, "ONLY");
1861 gMC->Gspos("ZEV1", 1,"ZETR", -dimVoid[0]+zTran, 0., 0., 0, "ONLY");
1863 // --- Positioning the ZEM into the ZDC - rotation for 90 degrees
1864 // NB -> ZEM is positioned in ALIC (instead of in ZDC) volume
1865 gMC->Gspos("ZEM ", 1,"ALIC", -fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
1867 // Second EM ZDC (same side w.r.t. IP, just on the other side w.r.t. beam pipe)
1868 gMC->Gspos("ZEM ", 2,"ALIC", fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
1870 // --- Adding last slice at the end of the EM calorimeter
1871 Float_t zLastSlice = fPosZEM[2]+kDimZEMPb+2*fDimZEM[0];
1872 gMC->Gspos("ZEL2", 1,"ALIC", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY");
1874 //printf("\n ZEM lenght = %f cm\n",2*fZEMLength);
1875 //printf("\n ZEM -> %f < z < %f cm\n",fPosZEM[2],fPosZEM[2]+2*fZEMLength+zLastSlice+kDimZEMPb);
1879 //_____________________________________________________________________________
1880 void AliZDCv3::DrawModule() const
1883 // Draw a shaded view of the Zero Degree Calorimeter version 1
1886 // Set everything unseen
1887 gMC->Gsatt("*", "seen", -1);
1889 // Set ALIC mother transparent
1890 gMC->Gsatt("ALIC","SEEN",0);
1892 // Set the volumes visible
1893 gMC->Gsatt("ZDCC","SEEN",0);
1894 gMC->Gsatt("QT01","SEEN",1);
1895 gMC->Gsatt("QT02","SEEN",1);
1896 gMC->Gsatt("QT03","SEEN",1);
1897 gMC->Gsatt("QT04","SEEN",1);
1898 gMC->Gsatt("QT05","SEEN",1);
1899 gMC->Gsatt("QT06","SEEN",1);
1900 gMC->Gsatt("QT07","SEEN",1);
1901 gMC->Gsatt("QT08","SEEN",1);
1902 gMC->Gsatt("QT09","SEEN",1);
1903 gMC->Gsatt("QT10","SEEN",1);
1904 gMC->Gsatt("QT11","SEEN",1);
1905 gMC->Gsatt("QT12","SEEN",1);
1906 gMC->Gsatt("QT13","SEEN",1);
1907 gMC->Gsatt("QC01","SEEN",1);
1908 gMC->Gsatt("QC02","SEEN",1);
1909 gMC->Gsatt("QC03","SEEN",1);
1910 gMC->Gsatt("QC04","SEEN",1);
1911 gMC->Gsatt("QC05","SEEN",1);
1912 gMC->Gsatt("QC06","SEEN",1);
1913 gMC->Gsatt("QC07","SEEN",1);
1914 gMC->Gsatt("QC08","SEEN",1);
1915 gMC->Gsatt("QC09","SEEN",1);
1916 gMC->Gsatt("QC10","SEEN",1);
1917 gMC->Gsatt("MQXL","SEEN",1);
1918 gMC->Gsatt("YMQL","SEEN",1);
1919 gMC->Gsatt("MQX ","SEEN",1);
1920 gMC->Gsatt("YMQ ","SEEN",1);
1921 gMC->Gsatt("ZQYX","SEEN",1);
1922 gMC->Gsatt("MD1 ","SEEN",1);
1923 gMC->Gsatt("MD1V","SEEN",1);
1924 gMC->Gsatt("YD1 ","SEEN",1);
1925 gMC->Gsatt("MD2 ","SEEN",1);
1926 gMC->Gsatt("YD2 ","SEEN",1);
1927 gMC->Gsatt("ZNEU","SEEN",0);
1928 gMC->Gsatt("ZNF1","SEEN",0);
1929 gMC->Gsatt("ZNF2","SEEN",0);
1930 gMC->Gsatt("ZNF3","SEEN",0);
1931 gMC->Gsatt("ZNF4","SEEN",0);
1932 gMC->Gsatt("ZNG1","SEEN",0);
1933 gMC->Gsatt("ZNG2","SEEN",0);
1934 gMC->Gsatt("ZNG3","SEEN",0);
1935 gMC->Gsatt("ZNG4","SEEN",0);
1936 gMC->Gsatt("ZNTX","SEEN",0);
1937 gMC->Gsatt("ZN1 ","COLO",4);
1938 gMC->Gsatt("ZN1 ","SEEN",1);
1939 gMC->Gsatt("ZNSL","SEEN",0);
1940 gMC->Gsatt("ZNST","SEEN",0);
1941 gMC->Gsatt("ZPRO","SEEN",0);
1942 gMC->Gsatt("ZPF1","SEEN",0);
1943 gMC->Gsatt("ZPF2","SEEN",0);
1944 gMC->Gsatt("ZPF3","SEEN",0);
1945 gMC->Gsatt("ZPF4","SEEN",0);
1946 gMC->Gsatt("ZPG1","SEEN",0);
1947 gMC->Gsatt("ZPG2","SEEN",0);
1948 gMC->Gsatt("ZPG3","SEEN",0);
1949 gMC->Gsatt("ZPG4","SEEN",0);
1950 gMC->Gsatt("ZPTX","SEEN",0);
1951 gMC->Gsatt("ZP1 ","COLO",6);
1952 gMC->Gsatt("ZP1 ","SEEN",1);
1953 gMC->Gsatt("ZPSL","SEEN",0);
1954 gMC->Gsatt("ZPST","SEEN",0);
1955 gMC->Gsatt("ZEM ","COLO",7);
1956 gMC->Gsatt("ZEM ","SEEN",1);
1957 gMC->Gsatt("ZEMF","SEEN",0);
1958 gMC->Gsatt("ZETR","SEEN",0);
1959 gMC->Gsatt("ZEL0","SEEN",0);
1960 gMC->Gsatt("ZEL1","SEEN",0);
1961 gMC->Gsatt("ZEL2","SEEN",0);
1962 gMC->Gsatt("ZEV0","SEEN",0);
1963 gMC->Gsatt("ZEV1","SEEN",0);
1964 gMC->Gsatt("ZES0","SEEN",0);
1965 gMC->Gsatt("ZES1","SEEN",0);
1967 gMC->Gdopt("hide", "on");
1968 gMC->Gdopt("shad", "on");
1969 gMC->Gsatt("*", "fill", 7);
1970 gMC->SetClipBox(".");
1971 gMC->SetClipBox("*", 0, 100, -100, 100, 12000, 16000);
1972 gMC->DefaultRange();
1973 gMC->Gdraw("alic", 40, 30, 0, 488, 220, .07, .07);
1974 gMC->Gdhead(1111, "Zero Degree Calorimeter Version 3");
1975 gMC->Gdman(18, 4, "MAN");
1978 //_____________________________________________________________________________
1979 void AliZDCv3::CreateMaterials()
1982 // Create Materials for the Zero Degree Calorimeter
1984 Float_t dens, ubuf[1], wmat[3], a[3], z[3];
1986 // --- W alloy -> ZN passive material
1997 AliMixture(1, "WALL", a, z, dens, 3, wmat);
1999 // --- Brass (CuZn) -> ZP passive material
2007 AliMixture(2, "BRASS", a, z, dens, 2, wmat);
2017 AliMixture(3, "SIO2", a, z, dens, -2, wmat);
2021 AliMaterial(5, "LEAD", 207.19, 82., 11.35, .56, 0., ubuf, 1);
2023 // --- Copper (energy loss taken into account)
2025 AliMaterial(6, "COPP0", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
2029 AliMaterial(9, "COPP1", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
2031 // --- Iron (energy loss taken into account)
2033 AliMaterial(7, "IRON0", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
2035 // --- Iron (no energy loss)
2037 AliMaterial(8, "IRON1", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
2041 AliMaterial(13, "TANT", 183.84, 74., 19.3, 0.35, 0., ubuf, 1);
2043 // ---------------------------------------------------------
2044 Float_t aResGas[3]={1.008,12.0107,15.9994};
2045 Float_t zResGas[3]={1.,6.,8.};
2046 Float_t wResGas[3]={0.28,0.28,0.44};
2047 Float_t dResGas = 3.2E-14;
2049 // --- Vacuum (no magnetic field)
2050 AliMixture(10, "VOID", aResGas, zResGas, dResGas, 3, wResGas);
2052 // --- Vacuum (with magnetic field)
2053 AliMixture(11, "VOIM", aResGas, zResGas, dResGas, 3, wResGas);
2055 // --- Air (no magnetic field)
2056 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
2057 Float_t zAir[4]={6.,7.,8.,18.};
2058 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
2059 Float_t dAir = 1.20479E-3;
2061 AliMixture(12, "Air $", aAir, zAir, dAir, 4, wAir);
2063 // --- Definition of tracking media:
2065 // --- Tantalum = 1 ;
2067 // --- Fibers (SiO2) = 3 ;
2068 // --- Fibers (SiO2) = 4 ;
2070 // --- Copper (with high thr.)= 6 ;
2071 // --- Copper (with low thr.)= 9;
2072 // --- Iron (with energy loss) = 7 ;
2073 // --- Iron (without energy loss) = 8 ;
2074 // --- Vacuum (no field) = 10
2075 // --- Vacuum (with field) = 11
2076 // --- Air (no field) = 12
2078 // ****************************************************
2079 // Tracking media parameters
2081 Float_t epsil = 0.01; // Tracking precision,
2082 Float_t stmin = 0.01; // Min. value 4 max. step (cm)
2083 Float_t stemax = 1.; // Max. step permitted (cm)
2084 Float_t tmaxfd = 0.; // Maximum angle due to field (degrees)
2085 Float_t deemax = -1.; // Maximum fractional energy loss
2086 Float_t nofieldm = 0.; // Max. field value (no field)
2087 Float_t fieldm = 45.; // Max. field value (with field)
2088 Int_t isvol = 0; // ISVOL =0 -> not sensitive volume
2089 Int_t isvolActive = 1; // ISVOL =1 -> sensitive volume
2090 Int_t inofld = 0; // IFIELD=0 -> no magnetic field
2091 Int_t ifield =2; // IFIELD=2 -> magnetic field defined in AliMagFC.h
2092 // *****************************************************
2094 AliMedium(1, "ZWALL", 1, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2095 AliMedium(2, "ZBRASS",2, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2096 AliMedium(3, "ZSIO2", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2097 AliMedium(4, "ZQUAR", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2098 AliMedium(5, "ZLEAD", 5, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2099 AliMedium(6, "ZCOPP", 6, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2100 AliMedium(7, "ZIRON", 7, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2101 AliMedium(8, "ZIRONN",8, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2102 AliMedium(9, "ZCOPL", 6, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2103 AliMedium(10,"ZVOID",10, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2104 AliMedium(11,"ZVOIM",11, isvol, ifield, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
2105 AliMedium(12,"ZAIR", 12, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2106 AliMedium(13,"ZTANT",13, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2107 AliMedium(14, "ZIRONT", 7, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2111 //_____________________________________________________________________________
2112 void AliZDCv3::AddAlignableVolumes() const
2115 // Create entries for alignable volumes associating the symbolic volume
2116 // name with the corresponding volume path. Needs to be syncronized with
2117 // eventual changes in the geometry.
2119 TString volpath1 = "ALIC_1/ZDCC_1/ZNEU_1";
2120 TString volpath2 = "ALIC_1/ZDCC_1/ZPRO_1";
2121 TString volpath3 = "ALIC_1/ZDCA_1/ZNEU_2";
2122 TString volpath4 = "ALIC_1/ZDCA_1/ZPRO_2";
2124 TString symname1="ZDC/NeutronZDC_C";
2125 TString symname2="ZDC/ProtonZDC_C";
2126 TString symname3="ZDC/NeutronZDC_A";
2127 TString symname4="ZDC/ProtonZDC_A";
2129 if(!gGeoManager->SetAlignableEntry(symname1.Data(),volpath1.Data()))
2130 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname1.Data(),volpath1.Data()));
2132 if(!gGeoManager->SetAlignableEntry(symname2.Data(),volpath2.Data()))
2133 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname2.Data(),volpath2.Data()));
2135 if(!gGeoManager->SetAlignableEntry(symname3.Data(),volpath3.Data()))
2136 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname1.Data(),volpath1.Data()));
2138 if(!gGeoManager->SetAlignableEntry(symname4.Data(),volpath4.Data()))
2139 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname2.Data(),volpath2.Data()));
2144 //_____________________________________________________________________________
2145 void AliZDCv3::Init()
2148 Int_t *idtmed = fIdtmed->GetArray();
2150 fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material
2151 fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material
2152 fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1
2153 fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2
2154 fMedSensZEM = idtmed[5]; // Sensitive volume: ZEM passive material
2155 fMedSensTDI = idtmed[6]; // Sensitive volume: TDI Cu shield
2156 fMedSensPI = idtmed[7]; // Sensitive volume: beam pipes
2157 fMedSensLumi = idtmed[9]; // Sensitive volume: luminometer
2158 fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves
2159 fMedSensVColl = idtmed[13]; // Sensitive volume: collimator jaws
2162 //_____________________________________________________________________________
2163 void AliZDCv3::InitTables()
2166 // Read light tables for Cerenkov light production parameterization
2171 char *lightfName1,*lightfName2,*lightfName3,*lightfName4,
2172 *lightfName5,*lightfName6,*lightfName7,*lightfName8;
2173 FILE *fp1, *fp2, *fp3, *fp4, *fp5, *fp6, *fp7, *fp8;
2175 // --- Reading light tables for ZN
2176 lightfName1 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362207s");
2177 if((fp1 = fopen(lightfName1,"r")) == NULL){
2178 printf("Cannot open file fp1 \n");
2181 lightfName2 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362208s");
2182 if((fp2 = fopen(lightfName2,"r")) == NULL){
2183 printf("Cannot open file fp2 \n");
2186 lightfName3 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362209s");
2187 if((fp3 = fopen(lightfName3,"r")) == NULL){
2188 printf("Cannot open file fp3 \n");
2191 lightfName4 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362210s");
2192 if((fp4 = fopen(lightfName4,"r")) == NULL){
2193 printf("Cannot open file fp4 \n");
2198 for(k=0; k<fNalfan; k++){
2199 for(j=0; j<fNben; j++){
2200 read = fscanf(fp1,"%f",&fTablen[0][k][j]);
2201 if(read==0) AliDebug(3, " Error in reading light table 1");
2202 read = fscanf(fp2,"%f",&fTablen[1][k][j]);
2203 if(read==0) AliDebug(3, " Error in reading light table 2");
2204 read = fscanf(fp3,"%f",&fTablen[2][k][j]);
2205 if(read==0) AliDebug(3, " Error in reading light table 3");
2206 read = fscanf(fp4,"%f",&fTablen[3][k][j]);
2207 if(read==0) AliDebug(3, " Error in reading light table 4");
2215 // --- Reading light tables for ZP and ZEM
2216 lightfName5 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552207s");
2217 if((fp5 = fopen(lightfName5,"r")) == NULL){
2218 printf("Cannot open file fp5 \n");
2221 lightfName6 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552208s");
2222 if((fp6 = fopen(lightfName6,"r")) == NULL){
2223 printf("Cannot open file fp6 \n");
2226 lightfName7 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552209s");
2227 if((fp7 = fopen(lightfName7,"r")) == NULL){
2228 printf("Cannot open file fp7 \n");
2231 lightfName8 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552210s");
2232 if((fp8 = fopen(lightfName8,"r")) == NULL){
2233 printf("Cannot open file fp8 \n");
2237 for(k=0; k<fNalfap; k++){
2238 for(j=0; j<fNbep; j++){
2239 read = fscanf(fp5,"%f",&fTablep[0][k][j]);
2240 if(read==0) AliDebug(3, " Error in reading light table 5");
2241 read = fscanf(fp6,"%f",&fTablep[1][k][j]);
2242 if(read==0) AliDebug(3, " Error in reading light table 6");
2243 read = fscanf(fp7,"%f",&fTablep[2][k][j]);
2244 if(read==0) AliDebug(3, " Error in reading light table 7");
2245 read = fscanf(fp8,"%f",&fTablep[3][k][j]);
2246 if(read==0) AliDebug(3, " Error in reading light table 8");
2254 //_____________________________________________________________________________
2255 void AliZDCv3::StepManager()
2258 // Routine called at every step in the Zero Degree Calorimeters
2260 Int_t j, vol[2]={0,0}, ibeta=0, ialfa=0, ibe=0, nphe=0;
2261 Float_t hits[13], x[3], xdet[3], um[3], ud[3];
2262 Float_t destep=0., be=0., out=0.;
2263 Double_t s[3], p[4];
2266 for(j=0;j<13;j++) hits[j]=-999.;
2268 // --- This part is for no shower developement in beam pipe, TDI, VColl
2269 // If particle interacts with beam pipe, TDI, VColl -> return
2270 if(fNoShower==1 && ((gMC->CurrentMedium() == fMedSensPI) || (gMC->CurrentMedium() == fMedSensTDI) ||
2271 (gMC->CurrentMedium() == fMedSensVColl || (gMC->CurrentMedium() == fMedSensLumi)))){
2273 // If option NoShower is set -> StopTrack
2276 gMC->TrackPosition(s[0],s[1],s[2]);
2277 if(gMC->CurrentMedium() == fMedSensPI){
2278 knamed = gMC->CurrentVolName();
2279 if(!strncmp(knamed,"YMQ",3)){
2280 if(s[2]<0) fpLostITC += 1;
2281 else fpLostITA += 1;
2284 else if(!strncmp(knamed,"YD1",3)){
2285 if(s[2]<0) fpLostD1C += 1;
2286 else fpLostD1A += 1;
2290 else if(gMC->CurrentMedium() == fMedSensTDI){
2291 knamed = gMC->CurrentVolName();
2292 if(!strncmp(knamed,"MD1",3)){
2293 if(s[2]<0) fpLostD1C += 1;
2294 else fpLostD1A += 1;
2297 else if(!strncmp(knamed,"QTD",3)) fpLostTDI += 1;
2299 else if(gMC->CurrentMedium() == fMedSensVColl){
2300 knamed = gMC->CurrentVolName();
2301 if(!strncmp(knamed,"QCVC",4)) fpcVCollC++;
2302 else if(!strncmp(knamed,"QCVA",4)) fpcVCollA++;
2306 //gMC->TrackMomentum(p[0], p[1], p[2], p[3]);
2307 //printf("\t Particle: mass = %1.3f, E = %1.3f GeV, pz = %1.2f GeV -> stopped in volume %s\n",
2308 // gMC->TrackMass(), p[3], p[2], gMC->CurrentVolName());
2311 printf("\n\t **********************************\n");
2312 printf("\t ********** Side C **********\n");
2313 printf("\t # of particles in IT = %d\n",fpLostITC);
2314 printf("\t # of particles in D1 = %d\n",fpLostD1C);
2315 printf("\t # of particles in VColl = %d\n",fpcVCollC);
2316 printf("\t ********** Side A **********\n");
2317 printf("\t # of particles in IT = %d\n",fpLostITA);
2318 printf("\t # of particles in D1 = %d\n",fpLostD1A);
2319 printf("\t # of particles in TDI = %d\n",fpLostTDI);
2320 printf("\t # of particles in VColl = %d\n",fpcVCollA);
2321 printf("\t **********************************\n");
2327 if((gMC->CurrentMedium() == fMedSensZN) || (gMC->CurrentMedium() == fMedSensZP) ||
2328 (gMC->CurrentMedium() == fMedSensGR) || (gMC->CurrentMedium() == fMedSensF1) ||
2329 (gMC->CurrentMedium() == fMedSensF2) || (gMC->CurrentMedium() == fMedSensZEM)){
2332 //Particle coordinates
2333 gMC->TrackPosition(s[0],s[1],s[2]);
2334 for(j=0; j<=2; j++) x[j] = s[j];
2339 // Determine in which ZDC the particle is
2340 knamed = gMC->CurrentVolName();
2341 if(!strncmp(knamed,"ZN",2)){
2342 if(x[2]<0.) vol[0]=1; // ZNC (dimuon side)
2343 else if(x[2]>0.) vol[0]=4; //ZNA
2345 else if(!strncmp(knamed,"ZP",2)){
2346 if(x[2]<0.) vol[0]=2; //ZPC (dimuon side)
2347 else if(x[2]>0.) vol[0]=5; //ZPA
2349 else if(!strncmp(knamed,"ZE",2)) vol[0]=3; //ZEM
2351 // Determine in which quadrant the particle is
2352 if(vol[0]==1){ //Quadrant in ZNC
2353 // Calculating particle coordinates inside ZNC
2354 xdet[0] = x[0]-fPosZNC[0];
2355 xdet[1] = x[1]-fPosZNC[1];
2356 // Calculating quadrant in ZN
2358 if(xdet[1]<=0.) vol[1]=1;
2361 else if(xdet[0]>0.){
2362 if(xdet[1]<=0.) vol[1]=2;
2367 else if(vol[0]==2){ //Quadrant in ZPC
2368 // Calculating particle coordinates inside ZPC
2369 xdet[0] = x[0]-fPosZPC[0];
2370 xdet[1] = x[1]-fPosZPC[1];
2371 if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01;
2372 if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01;
2373 // Calculating tower in ZP
2374 Float_t xqZP = xdet[0]/(fDimZP[0]/2.);
2375 for(int i=1; i<=4; i++){
2376 if(xqZP>=(i-3) && xqZP<(i-2)){
2383 // Quadrant in ZEM: vol[1] = 1 -> particle in 1st ZEM (placed at x = 8.5 cm)
2384 // vol[1] = 2 -> particle in 2nd ZEM (placed at x = -8.5 cm)
2385 else if(vol[0] == 3){
2388 // Particle x-coordinate inside ZEM1
2389 xdet[0] = x[0]-fPosZEM[0];
2393 // Particle x-coordinate inside ZEM2
2394 xdet[0] = x[0]+fPosZEM[0];
2396 xdet[1] = x[1]-fPosZEM[1];
2399 else if(vol[0]==4){ //Quadrant in ZNA
2400 // Calculating particle coordinates inside ZNA
2401 xdet[0] = x[0]-fPosZNA[0];
2402 xdet[1] = x[1]-fPosZNA[1];
2403 // Calculating quadrant in ZNA
2405 if(xdet[1]<=0.) vol[1]=1;
2408 else if(xdet[0]<0.){
2409 if(xdet[1]<=0.) vol[1]=2;
2414 else if(vol[0]==5){ //Quadrant in ZPA
2415 // Calculating particle coordinates inside ZPA
2416 xdet[0] = x[0]-fPosZPA[0];
2417 xdet[1] = x[1]-fPosZPA[1];
2418 if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01;
2419 if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01;
2420 // Calculating tower in ZP
2421 Float_t xqZP = -xdet[0]/(fDimZP[0]/2.);
2422 for(int i=1; i<=4; i++){
2423 if(xqZP>=(i-3) && xqZP<(i-2)){
2429 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
2430 AliError(Form(" WRONG tower for det %d: tow %d with xdet=(%f, %f)\n",
2431 vol[0], vol[1], xdet[0], xdet[1]));
2433 //printf("\t *** det %d vol %d xdet(%f, %f)\n",vol[0], vol[1], xdet[0], xdet[1]);
2436 // Store impact point and kinetic energy of the ENTERING particle
2438 if(gMC->IsTrackEntering()){
2440 gMC->TrackMomentum(p[0],p[1],p[2],p[3]);
2443 // Impact point on ZDC
2444 // X takes into account the LHC x-axis sign
2445 // which is opposite to positive x on detector front face
2446 // for side A detectors (ZNA and ZPA)
2447 if(vol[0]==4 || vol[0]==5){
2459 Int_t curTrackN = gAlice->GetMCApp()->GetCurrentTrackNumber();
2460 TParticle *part = gAlice->GetMCApp()->Particle(curTrackN);
2461 hits[10] = part->GetPdgCode();
2462 //printf("\t PDGCode = %d\n", part->GetPdgCode());
2464 Int_t imo = part->GetFirstMother();
2466 TParticle * pmot = gAlice->GetMCApp()->Particle(imo);
2467 hits[11] = pmot->GetPdgCode();
2471 hits[12] = 1.0e09*gMC->TrackTime(); // in ns!
2472 //printf("\t TrackTime = %f\n", hits[12]);
2474 AddHit(curTrackN, vol, hits);
2479 if(fnDetectedC==1) printf(" ### Particle in ZNC\n\n");
2483 if(fpDetectedC==1) printf(" ### Particle in ZPC\n\n");
2487 if(fnDetectedA==1) printf(" ### Particle in ZNA\n\n");
2491 if(fpDetectedA==1) printf(" ### Particle in ZPA\n\n");
2494 //printf("\t Pc: x %1.2f y %1.2f z %1.2f E %1.2f GeV pz = %1.2f GeV in volume %s\n",
2495 // x[0],x[1],x[3],p[3],p[2],gMC->CurrentVolName());
2502 // Particle energy loss
2503 if(gMC->Edep() != 0){
2504 hits[9] = gMC->Edep();
2507 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2512 // *** Light production in fibres
2513 if((gMC->CurrentMedium() == fMedSensF1) || (gMC->CurrentMedium() == fMedSensF2)){
2515 //Select charged particles
2516 if((destep=gMC->Edep())){
2518 // Particle velocity
2520 gMC->TrackMomentum(p[0],p[1],p[2],p[3]);
2521 Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]);
2522 if(p[3] > 0.00001) beta = ptot/p[3];
2524 if(beta<0.67)return;
2525 else if((beta>=0.67) && (beta<=0.75)) ibeta = 0;
2526 else if((beta>0.75) && (beta<=0.85)) ibeta = 1;
2527 else if((beta>0.85) && (beta<=0.95)) ibeta = 2;
2528 else if(beta>0.95) ibeta = 3;
2530 // Angle between particle trajectory and fibre axis
2531 // 1 -> Momentum directions
2535 gMC->Gmtod(um,ud,2);
2536 // 2 -> Angle < limit angle
2537 Double_t alfar = TMath::ACos(ud[2]);
2538 Double_t alfa = alfar*kRaddeg;
2539 if(alfa>=110.) return;
2541 ialfa = Int_t(1.+alfa/2.);
2543 // Distance between particle trajectory and fibre axis
2544 gMC->TrackPosition(s[0],s[1],s[2]);
2545 for(j=0; j<=2; j++){
2548 gMC->Gmtod(x,xdet,1);
2549 if(TMath::Abs(ud[0])>0.00001){
2550 Float_t dcoeff = ud[1]/ud[0];
2551 be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.));
2554 be = TMath::Abs(ud[0]);
2557 ibe = Int_t(be*1000.+1);
2559 //Looking into the light tables
2560 Float_t charge = gMC->TrackCharge();
2562 if(vol[0]==1 || vol[0]==4) { // (1) ZN fibres
2563 if(ibe>fNben) ibe=fNben;
2564 out = charge*charge*fTablen[ibeta][ialfa][ibe];
2565 nphe = gRandom->Poisson(out);
2567 //if(ibeta==3) printf("\t %f \t %f \t %f\n",alfa, be, out);
2568 //printf("\t ibeta = %d, ialfa = %d, ibe = %d -> nphe = %d\n\n",ibeta,ialfa,ibe,nphe);
2569 if(gMC->CurrentMedium() == fMedSensF1){
2570 hits[7] = nphe; //fLightPMQ
2573 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2577 hits[8] = nphe; //fLightPMC
2579 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2582 else if(vol[0]==2 || vol[0]==5) {// (2) ZP fibres
2583 if(ibe>fNbep) ibe=fNbep;
2584 out = charge*charge*fTablep[ibeta][ialfa][ibe];
2585 nphe = gRandom->Poisson(out);
2586 if(gMC->CurrentMedium() == fMedSensF1){
2587 hits[7] = nphe; //fLightPMQ
2590 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2594 hits[8] = nphe; //fLightPMC
2596 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2599 else if((vol[0]==3)) { // (3) ZEM fibres
2600 if(ibe>fNbep) ibe=fNbep;
2601 out = charge*charge*fTablep[ibeta][ialfa][ibe];
2602 gMC->TrackPosition(s[0],s[1],s[2]);
2607 // z-coordinate from ZEM front face
2608 // NB-> fPosZEM[2]+fZEMLength = -1000.+2*10.3 = 979.69 cm
2609 Float_t z = -xalic[2]+fPosZEM[2]+2*fZEMLength-xalic[1];
2610 //z = xalic[2]-fPosZEM[2]-fZEMLength-xalic[1]*(TMath::Tan(45.*kDegrad));
2611 //printf(" fPosZEM[2]+2*fZEMLength = %f", fPosZEM[2]+2*fZEMLength);
2613 // Parametrization for light guide uniformity
2614 // NEW!!! Light guide tilted @ 51 degrees
2615 Float_t guiPar[4]={0.31,-0.0006305,0.01337,0.8895};
2616 Float_t guiEff = guiPar[0]*(guiPar[1]*z*z+guiPar[2]*z+guiPar[3]);
2618 nphe = gRandom->Poisson(out);
2619 //printf(" out*guiEff = %f nphe = %d", out, nphe);
2622 hits[8] = nphe; //fLightPMC (ZEM1)
2624 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2627 hits[7] = nphe; //fLightPMQ (ZEM2)
2630 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);