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>
37 #include <TGeoShape.h>
38 #include <TGeoScaledShape.h>
39 #include <TGeoCompositeShape.h>
40 #include <TParticle.h>
42 // --- AliRoot classes
57 //_____________________________________________________________________________
58 AliZDCv3::AliZDCv3() :
86 fVCollSideCAperture(7./2.),
87 fVCollSideCApertureNeg(7./2.),
88 fVCollSideCCentreY(0.),
89 fVCollSideAAperture(7./2.),
90 fVCollSideAApertureNeg(7./2.),
91 fVCollSideACentreY(0.),
92 fTCDDAperturePos(2.0),
93 fTCDDApertureNeg(2.2),
99 // Default constructor for Zero Degree Calorimeter
101 for(Int_t i=0; i<3; i++){
102 fDimZN[i] = fDimZP[i] = 0.;
103 fPosZNC[i] = fPosZNA[i] = fPosZPC[i]= fPosZPA[i] = fPosZEM[i] = 0.;
104 fFibZN[i] = fFibZP[i] = 0.;
108 //_____________________________________________________________________________
109 AliZDCv3::AliZDCv3(const char *name, const char *title) :
137 fVCollSideCAperture(7./2.),
138 fVCollSideCApertureNeg(7./2.),
139 fVCollSideCCentreY(0.),
140 fVCollSideAAperture(7./2.),
141 fVCollSideAApertureNeg(7./2.),
142 fVCollSideACentreY(0.),
143 fTCDDAperturePos(2.0),
144 fTCDDApertureNeg(2.2),
145 fTDIAperturePos(5.5),
146 fTDIApertureNeg(5.5),
150 // Standard constructor for Zero Degree Calorimeter
153 // Check that DIPO, ABSO, DIPO and SHIL is there (otherwise tracking is wrong!!!)
155 AliModule* pipe=gAlice->GetModule("PIPE");
156 AliModule* abso=gAlice->GetModule("ABSO");
157 AliModule* dipo=gAlice->GetModule("DIPO");
158 AliModule* shil=gAlice->GetModule("SHIL");
159 if((!pipe) || (!abso) || (!dipo) || (!shil)) {
160 Error("Constructor","ZDC needs PIPE, ABSO, DIPO and SHIL!!!\n");
165 for(ip=0; ip<4; ip++){
166 for(kp=0; kp<fNalfap; kp++){
167 for(jp=0; jp<fNbep; jp++){
168 fTablep[ip][kp][jp] = 0;
173 for(in=0; in<4; in++){
174 for(kn=0; kn<fNalfan; kn++){
175 for(jn=0; jn<fNben; jn++){
176 fTablen[in][kn][jn] = 0;
181 // Parameters for hadronic calorimeters geometry
182 // Positions updated after post-installation measurements
191 fPosZNC[2] = -11397.3;
194 fPosZPC[2] = -11389.3;
197 fPosZNA[2] = 11395.8;
200 fPosZPA[2] = 11387.8;
207 // Parameters for EM calorimeter geometry
211 Float_t kDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
212 Float_t kDimZEMAir = 0.001; // scotch
213 Float_t kFibRadZEM = 0.0315; // External fiber radius (including cladding)
214 Int_t kDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
215 Float_t kDimZEM0 = 2*kDivZEM[2]*(kDimZEMPb+kDimZEMAir+kFibRadZEM*(TMath::Sqrt(2.)));
216 fZEMLength = kDimZEM0;
220 //_____________________________________________________________________________
221 void AliZDCv3::CreateGeometry()
224 // Create the geometry for the Zero Degree Calorimeter version 2
225 //* Initialize COMMON block ZDC_CGEOM
232 //_____________________________________________________________________________
233 void AliZDCv3::CreateBeamLine()
236 // Create the beam line elements
239 Double_t zd1, zd2, zCorrDip, zInnTrip, zD1, zD2;
240 Double_t conpar[9], tubpar[3], tubspar[5], boxpar[3];
242 //-- rotation matrices for the legs
243 Int_t irotpipe1, irotpipe2;
244 gMC->Matrix(irotpipe1,90.-1.0027,0.,90.,90.,1.0027,180.);
245 gMC->Matrix(irotpipe2,90.+1.0027,0.,90.,90.,1.0027,0.);
248 Int_t *idtmed = fIdtmed->GetArray();
250 ////////////////////////////////////////////////////////////////
252 // SIDE C - RB26 (dimuon side) //
254 ///////////////////////////////////////////////////////////////
257 // -- Mother of the ZDCs (Vacuum PCON)
269 gMC->Gsvolu("ZDCC", "PCON", idtmed[10], conpar, 9);
270 gMC->Gspos("ZDCC", 1, "ALIC", 0., 0., 0., 0, "ONLY");
273 // -- BEAM PIPE from compensator dipole to the beginning of D1)
276 // From beginning of ZDC volumes to beginning of D1
277 tubpar[2] = (5838.3-zd1)/2.;
278 gMC->Gsvolu("QT01", "TUBE", idtmed[7], tubpar, 3);
279 gMC->Gspos("QT01", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
281 //printf(" QT01 TUBE pipe from z = %1.2f to z= %1.2f (D1 beg.)\n",-zd1,-2*tubpar[2]-zd1);
283 //-- BEAM PIPE from the end of D1 to the beginning of D2)
285 //-- FROM MAGNETIC BEGINNING OF D1 TO MAGNETIC END OF D1
286 //-- Cylindrical pipe (r = 3.47) + conical flare
287 // -> Beginning of D1
292 tubpar[2] = (6909.8-zd1)/2.;
293 gMC->Gsvolu("QT02", "TUBE", idtmed[7], tubpar, 3);
294 gMC->Gspos("QT02", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
296 //printf(" QT02 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
302 tubpar[2] = (7022.8-zd1)/2.;
303 gMC->Gsvolu("QT03", "TUBE", idtmed[7], tubpar, 3);
304 gMC->Gspos("QT03", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
306 //printf(" QT03 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
315 gMC->Gsvolu("QC01", "CONE", idtmed[7], conpar, 5);
316 gMC->Gspos("QC01", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
318 //printf(" QC01 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
320 zd1 += conpar[0] * 2.;
322 // ******************************************************
323 // N.B.-> according to last vacuum layout
324 // private communication by D. Macina, mail 27/1/2009
325 // ******************************************************
326 // 2nd section of VCTCQ+VAMTF+TCTVB+VAMTF+TCLIA+VAMTF+1st part of VCTCP
327 Float_t totLength1 = 160.8 + 78. + 148. + 78. + 148. + 78. + 9.3;
331 tubpar[2] = totLength1/2.;
332 // gMC->Gsvolu("QE01", "ELTU", idtmed[7], tubpar, 3);
333 // temporary replace with a scaled tube (AG)
334 TGeoTube *tubeQE01 = new TGeoTube(0.,tubpar[0],tubpar[2]);
335 TGeoScale *scaleQE01 = new TGeoScale(1., tubpar[1]/tubpar[0], 1.);
336 TGeoScaledShape *sshapeQE01 = new TGeoScaledShape(tubeQE01, scaleQE01);
337 new TGeoVolume("QE01", sshapeQE01, gGeoManager->GetMedium(idtmed[7]));
341 tubpar[2] = totLength1/2.;
342 // gMC->Gsvolu("QE02", "ELTU", idtmed[10], tubpar, 3);
343 // temporary replace with a scaled tube (AG)
344 TGeoTube *tubeQE02 = new TGeoTube(0.,tubpar[0],tubpar[2]);
345 TGeoScale *scaleQE02 = new TGeoScale(1., tubpar[1]/tubpar[0], 1.);
346 TGeoScaledShape *sshapeQE02 = new TGeoScaledShape(tubeQE02, scaleQE02);
347 new TGeoVolume("QE02", sshapeQE02, gGeoManager->GetMedium(idtmed[10]));
349 gMC->Gspos("QE01", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
350 gMC->Gspos("QE02", 1, "QE01", 0., 0., 0., 0, "ONLY");
352 //printf(" QE01 ELTU from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
354 // Vertical collimator jaws (defined ONLY if fVCollAperture<3.5!)
355 if(fVCollSideCAperture<3.5){
357 boxpar[1] = (3.5-fVCollSideCAperture-fVCollSideCCentreY-0.7)/2.;
358 if(boxpar[1]<0.) boxpar[1]=0.;
359 boxpar[2] = 124.4/2.;
360 printf(" AliZDCv3 -> sideC VCollimator jaws: apertures +%1.2f/-%1.2f center %1.2f [cm]\n",
361 fVCollSideCAperture, fVCollSideCApertureNeg,fVCollSideCCentreY);
362 gMC->Gsvolu("QCVC" , "BOX ", idtmed[13], boxpar, 3);
363 gMC->Gspos("QCVC", 1, "QE02", -boxpar[0], fVCollSideCAperture+fVCollSideCCentreY+boxpar[1], -totLength1/2.+160.8+78.+148./2., 0, "ONLY");
364 gMC->Gspos("QCVC", 2, "QE02", -boxpar[0], -fVCollSideCApertureNeg+fVCollSideCCentreY-boxpar[1], -totLength1/2.+160.8+78.+148./2., 0, "ONLY");
367 zd1 += tubpar[2] * 2.;
371 conpar[1] = 21.27/2.;
372 conpar[2] = 21.87/2.;
375 gMC->Gsvolu("QC02", "CONE", idtmed[7], conpar, 5);
376 gMC->Gspos("QC02", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
378 //printf(" QC02 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
380 zd1 += conpar[0] * 2.;
382 // 3rd section of VCTCP+VCDWC+VMLGB
383 Float_t totLenght2 = 9.2 + 530.5+40.;
386 tubpar[2] = totLenght2/2.;
387 gMC->Gsvolu("QT04", "TUBE", idtmed[7], tubpar, 3);
388 gMC->Gspos("QT04", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
390 //printf(" QT04 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
392 zd1 += tubpar[2] * 2.;
394 // First part of VCTCD
395 // skewed transition cone from ID=212.7 mm to ID=797 mm
399 conpar[3] = 21.27/2.;
400 conpar[4] = 21.87/2.;
401 gMC->Gsvolu("QC03", "CONE", idtmed[7], conpar, 5);
402 gMC->Gspos("QC03", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
404 //printf(" QC03 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
408 // VCDGB + 1st part of VCTCH
411 tubpar[2] = (5*475.2+97.)/2.;
412 gMC->Gsvolu("QT05", "TUBE", idtmed[7], tubpar, 3);
413 gMC->Gspos("QT05", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
415 //printf(" QT05 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
420 // Transition from ID=797 mm to ID=196 mm:
421 // in order to simulate the thin window opened in the transition cone
422 // we divide the transition cone in three cones:
423 // (1) 8 mm thick (2) 3 mm thick (3) the third 8 mm thick
426 conpar[0] = 9.09/2.; // 15 degree
427 conpar[1] = 74.82868/2.;
428 conpar[2] = 76.42868/2.; // thickness 8 mm
430 conpar[4] = 81.3/2.; // thickness 8 mm
431 gMC->Gsvolu("QC04", "CONE", idtmed[7], conpar, 5);
432 gMC->Gspos("QC04", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
434 //printf(" QC04 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
439 conpar[0] = 96.2/2.; // 15 degree
440 conpar[1] = 23.19588/2.;
441 conpar[2] = 23.79588/2.; // thickness 3 mm
442 conpar[3] = 74.82868/2.;
443 conpar[4] = 75.42868/2.; // thickness 3 mm
444 gMC->Gsvolu("QC05", "CONE", idtmed[7], conpar, 5);
445 gMC->Gspos("QC05", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
447 //printf(" QC05 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
452 conpar[0] = 6.71/2.; // 15 degree
454 conpar[2] = 21.2/2.;// thickness 8 mm
455 conpar[3] = 23.19588/2.;
456 conpar[4] = 24.79588/2.;// thickness 8 mm
457 gMC->Gsvolu("QC06", "CONE", idtmed[7], conpar, 5);
458 gMC->Gspos("QC06", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
460 //printf(" QC06 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
468 gMC->Gsvolu("QT06", "TUBE", idtmed[7], tubpar, 3);
469 gMC->Gspos("QT06", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
471 //printf(" QT06 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
480 gMC->Gsvolu("QC07", "CONE", idtmed[7], conpar, 5);
481 gMC->Gspos("QC07", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
483 //printf(" QC07 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
490 gMC->Gsvolu("QT07", "TUBE", idtmed[7], tubpar, 3);
491 gMC->Gspos("QT07", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
493 //printf(" QT07 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
502 gMC->Gsvolu("QC08", "CONE", idtmed[7], conpar, 5);
503 gMC->Gspos("QC08", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
505 //printf(" QC08 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
512 gMC->Gsvolu("QT08", "TUBE", idtmed[7], tubpar, 3);
513 gMC->Gspos("QT08", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
515 //printf(" QT08 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
519 // Flange (ID=196 mm)(last part of VMZAR and first part of VCTYB)
523 gMC->Gsvolu("QT09", "TUBE", idtmed[7], tubpar, 3);
524 gMC->Gspos("QT09", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
526 //printf(" QT09 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
530 //printf(" Beginning of VCTYB volume @ z = %1.2f \n",-zd1);
532 // simulation of the trousers (VCTYB)
536 gMC->Gsvolu("QT10", "TUBE", idtmed[7], tubpar, 3);
537 gMC->Gspos("QT10", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
539 //printf(" QT10 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
543 // transition cone from ID=196. to ID=216.6
544 conpar[0] = 32.55/2.;
545 conpar[1] = 21.66/2.;
546 conpar[2] = 22.06/2.;
549 gMC->Gsvolu("QC09", "CONE", idtmed[7], conpar, 5);
550 gMC->Gspos("QC09", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
552 //printf(" QC09 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
557 tubpar[0] = 21.66/2.;
558 tubpar[1] = 22.06/2.;
560 gMC->Gsvolu("QT11", "TUBE", idtmed[7], tubpar, 3);
561 gMC->Gspos("QT11", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
563 //printf(" QT11 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
567 //printf(" Beginning of recombination chamber @ z = %f \n",-zd1);
569 // --------------------------------------------------------
570 // RECOMBINATION CHAMBER IMPLEMENTED USING TGeo CLASSES!!!!
571 // author: Chiara (August 2008)
572 // --------------------------------------------------------
573 // TRANSFORMATION MATRICES
574 // Combi transformation:
575 Double_t dx = -3.970000;
576 Double_t dy = 0.000000;
579 Double_t thx = 84.989100; Double_t phx = 180.000000;
580 Double_t thy = 90.000000; Double_t phy = 90.000000;
581 Double_t thz = 185.010900; Double_t phz = 0.000000;
582 TGeoRotation *rotMatrix1c = new TGeoRotation("c",thx,phx,thy,phy,thz,phz);
583 // Combi transformation:
587 TGeoCombiTrans *rotMatrix2c = new TGeoCombiTrans("ZDCC_c1", dx,dy,dz,rotMatrix1c);
588 rotMatrix2c->RegisterYourself();
589 // Combi transformation:
594 thx = 95.010900; phx = 180.000000;
595 thy = 90.000000; phy = 90.000000;
596 thz = 180.-5.010900; phz = 0.000000;
597 TGeoRotation *rotMatrix3c = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
598 TGeoCombiTrans *rotMatrix4c = new TGeoCombiTrans("ZDCC_c2", dx,dy,dz,rotMatrix3c);
599 rotMatrix4c->RegisterYourself();
601 // VOLUMES DEFINITION
603 TGeoVolume *pZDCC = gGeoManager->GetVolume("ZDCC");
605 conpar[0] = (90.1-0.95-0.26-0.0085)/2.;
610 new TGeoCone("QCLext", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
612 conpar[0] = (90.1-0.95-0.26-0.0085)/2.;
617 new TGeoCone("QCLint", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
620 TGeoCompositeShape *pOutTrousersC = new TGeoCompositeShape("outTrousersC", "QCLext:ZDCC_c1+QCLext:ZDCC_c2");
623 TGeoMedium *medZDCFe = gGeoManager->GetMedium("ZDC_ZIRONT");
624 TGeoVolume *pQCLext = new TGeoVolume("QCLext",pOutTrousersC, medZDCFe);
625 pQCLext->SetLineColor(kGreen);
626 pQCLext->SetVisLeaves(kTRUE);
628 TGeoTranslation *tr1c = new TGeoTranslation(0., 0., (Double_t) -conpar[0]-0.95-zd1);
629 //printf(" Recombination chamber from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-0.95-zd1);
631 pZDCC->AddNode(pQCLext, 1, tr1c);
633 TGeoCompositeShape *pIntTrousersC = new TGeoCompositeShape("intTrousersC", "QCLint:ZDCC_c1+QCLint:ZDCC_c2");
635 TGeoMedium *medZDCvoid = gGeoManager->GetMedium("ZDC_ZVOID");
636 TGeoVolume *pQCLint = new TGeoVolume("QCLint",pIntTrousersC, medZDCvoid);
637 pQCLint->SetLineColor(kTeal);
638 pQCLint->SetVisLeaves(kTRUE);
639 pQCLext->AddNode(pQCLint, 1);
642 Double_t offset = 0.5;
645 // second section : 2 tubes (ID = 54. OD = 58.)
649 gMC->Gsvolu("QT12", "TUBE", idtmed[7], tubpar, 3);
650 gMC->Gspos("QT12", 1, "ZDCC", -15.8/2., 0., -tubpar[2]-zd1, 0, "ONLY");
651 gMC->Gspos("QT12", 2, "ZDCC", 15.8/2., 0., -tubpar[2]-zd1, 0, "ONLY");
653 //printf(" QT12 TUBE from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
657 // transition x2zdc to recombination chamber : skewed cone
658 conpar[0] = (10.-0.2-offset)/2.;
663 gMC->Gsvolu("QC10", "CONE", idtmed[7], conpar, 5);
664 gMC->Gspos("QC10", 1, "ZDCC", -7.9-0.175, 0., -conpar[0]-0.1-zd1, irotpipe1, "ONLY");
665 gMC->Gspos("QC10", 2, "ZDCC", 7.9+0.175, 0., -conpar[0]-0.1-zd1, irotpipe2, "ONLY");
666 //printf(" QC10 CONE from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-0.2-zd1);
668 zd1 += 2.*conpar[0]+0.2;
670 // 2 tubes (ID = 63 mm OD=70 mm)
673 tubpar[2] = 639.8/2.;
674 gMC->Gsvolu("QT13", "TUBE", idtmed[7], tubpar, 3);
675 gMC->Gspos("QT13", 1, "ZDCC", -16.5/2., 0., -tubpar[2]-zd1, 0, "ONLY");
676 gMC->Gspos("QT13", 2, "ZDCC", 16.5/2., 0., -tubpar[2]-zd1, 0, "ONLY");
677 //printf(" QT13 TUBE from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
680 //printf(" END OF SIDE C BEAM PIPE DEFINITION @ z = %f\n",-zd1);
683 // -- Luminometer (Cu box) in front of ZN - side C
686 boxpar[2] = fLumiLength/2.;
687 gMC->Gsvolu("QLUC", "BOX ", idtmed[9], boxpar, 3);
688 gMC->Gspos("QLUC", 1, "ZDCC", 0., 0., fPosZNC[2]+66.+boxpar[2], 0, "ONLY");
689 //printf(" QLUC LUMINOMETER from z = %1.2f to z= %1.2f\n", fPosZNC[2]+66., fPosZNC[2]+66.+2*boxpar[2]);
691 // -- END OF BEAM PIPE VOLUME DEFINITION FOR SIDE C (RB26 SIDE)
692 // ----------------------------------------------------------------
694 ////////////////////////////////////////////////////////////////
698 ///////////////////////////////////////////////////////////////
700 // Rotation Matrices definition
701 Int_t irotpipe3, irotpipe4, irotpipe5;
702 //-- rotation matrices for the tilted cone after the TDI to recenter vacuum chamber
703 gMC->Matrix(irotpipe3,90.-1.8934,0.,90.,90.,1.8934,180.);
704 //-- rotation matrices for the tilted tube before and after the TDI
705 gMC->Matrix(irotpipe4,90.-3.8,0.,90.,90.,3.8,180.);
706 //-- rotation matrix for the tilted cone after the TDI
707 gMC->Matrix(irotpipe5,90.+9.8,0.,90.,90.,9.8,0.);
709 // -- Mother of the ZDCs (Vacuum PCON)
710 zd2 = 1910.22;// zd2 initial value
721 gMC->Gsvolu("ZDCA", "PCON", idtmed[10], conpar, 9);
722 gMC->Gspos("ZDCA", 1, "ALIC", 0., 0., 0., 0, "ONLY");
724 // To avoid overlaps 1 micron are left between certain volumes!
725 Double_t dxNoOverlap = 0.0;
726 //zd2 += dxNoOverlap;
728 // BEAM PIPE from 19.10 m to inner triplet beginning (22.965 m)
731 tubpar[2] = 386.28/2. - dxNoOverlap;
732 gMC->Gsvolu("QA01", "TUBE", idtmed[7], tubpar, 3);
733 gMC->Gspos("QA01", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
735 //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);
739 // -- FIRST SECTION OF THE BEAM PIPE (from beginning of inner triplet to
743 tubpar[2] = 3541.8/2. - dxNoOverlap;
744 gMC->Gsvolu("QA02", "TUBE", idtmed[7], tubpar, 3);
745 gMC->Gspos("QA02", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
747 //printf(" QA02 TUBE from z = %1.2f to z= %1.2f (D1 begin)\n",zd2,2*tubpar[2]+zd2);
752 // -- SECOND SECTION OF THE BEAM PIPE (from the beginning of D1 to the beginning of D2)
754 // FROM (MAGNETIC) BEGINNING OF D1 TO THE (MAGNETIC) END OF D1 + 126.5 cm
755 // CYLINDRICAL PIPE of diameter increasing from 6.75 cm up to 8.0 cm
756 // from magnetic end :
757 // 1) 80.1 cm still with ID = 6.75 radial beam screen
758 // 2) 2.5 cm conical section from ID = 6.75 to ID = 8.0 cm
759 // 3) 43.9 cm straight section (tube) with ID = 8.0 cm
763 tubpar[2] = (945.0+80.1)/2.;
764 gMC->Gsvolu("QA03", "TUBE", idtmed[7], tubpar, 3);
765 gMC->Gspos("QA03", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
767 //printf(" QA03 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
771 // Transition Cone from ID=67.5 mm to ID=80 mm
777 gMC->Gsvolu("QA04", "CONE", idtmed[7], conpar, 5);
778 gMC->Gspos("QA04", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
779 //printf(" QA04 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
785 tubpar[2] = (43.9+20.+28.5+28.5)/2.;
786 gMC->Gsvolu("QA05", "TUBE", idtmed[7], tubpar, 3);
787 gMC->Gspos("QA05", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
789 //printf(" QA05 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
793 // Second section of VAEHI (transition cone from ID=80mm to ID=98mm)
799 gMC->Gsvolu("QAV1", "CONE", idtmed[7], conpar, 5);
800 gMC->Gspos("QAV1", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
801 //printf(" QAV1 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
805 //Third section of VAEHI (transition cone from ID=98mm to ID=90mm)
811 gMC->Gsvolu("QAV2", "CONE", idtmed[7], conpar, 5);
812 gMC->Gspos("QAV2", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
813 //printf(" QAV2 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
817 // Fourth section of VAEHI (tube ID=90mm)
821 gMC->Gsvolu("QAV3", "TUBE", idtmed[7], tubpar, 3);
822 gMC->Gspos("QAV3", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
824 //printf(" QAV3 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
828 //---------------------------- TCDD beginning ----------------------------------
829 // space for the insertion of the collimator TCDD (2 m)
830 // TCDD ZONE - 1st volume
836 gMC->Gsvolu("Q01T", "CONE", idtmed[7], conpar, 5);
837 gMC->Gspos("Q01T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
838 //printf(" Q01T CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
842 // TCDD ZONE - 2nd volume
846 gMC->Gsvolu("Q02T", "TUBE", idtmed[7], tubpar, 3);
847 gMC->Gspos("Q02T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
849 //printf(" Q02T TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
853 // TCDD ZONE - third volume
859 gMC->Gsvolu("Q03T", "CONE", idtmed[7], conpar, 5);
860 gMC->Gspos("Q03T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
861 //printf(" Q03T CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
865 // TCDD ZONE - 4th volume
869 gMC->Gsvolu("Q04T", "TUBE", idtmed[7], tubpar, 3);
870 gMC->Gspos("Q04T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
872 //printf(" Q04T TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
876 // TCDD ZONE - 5th volume
879 tubpar[2] = 100.12/2.;
880 gMC->Gsvolu("Q05T", "TUBE", idtmed[7], tubpar, 3);
881 gMC->Gspos("Q05T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
883 //printf(" Q05T TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
887 // TCDD ZONE - 6th volume
891 gMC->Gsvolu("Q06T", "TUBE", idtmed[7], tubpar, 3);
892 gMC->Gspos("Q06T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
894 //printf(" Q06T TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
898 // TCDD ZONE - 7th volume
899 conpar[0] = 11.34/2.;
904 gMC->Gsvolu("Q07T", "CONE", idtmed[7], conpar, 5);
905 gMC->Gspos("Q07T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
906 //printf(" Q07T CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
910 // Upper section : one single phi segment of a tube
911 // 5 parameters for tubs: inner radius = 0.,
912 // outer radius = 7. cm, half length = 50 cm
913 // phi1 = 0., phi2 = 180.
915 tubspar[1] = 14.0/2.;
916 tubspar[2] = 100.0/2.;
919 gMC->Gsvolu("Q08T", "TUBS", idtmed[7], tubspar, 5);
921 //printf(" upper part : one single phi segment of a tube (Q08T)\n");
923 // rectangular beam pipe inside TCDD upper section (Vacuum)
927 gMC->Gsvolu("Q09T", "BOX ", idtmed[10], boxpar, 3);
928 // positioning vacuum box in the upper section of TCDD
929 gMC->Gspos("Q09T", 1, "Q08T", 0., 1.1, 0., 0, "ONLY");
931 // lower section : one single phi segment of a tube
933 tubspar[1] = 14.0/2.;
934 tubspar[2] = 100.0/2.;
937 gMC->Gsvolu("Q10T", "TUBS", idtmed[7], tubspar, 5);
938 // rectangular beam pipe inside TCDD lower section (Vacuum)
942 gMC->Gsvolu("Q11T", "BOX ", idtmed[10], boxpar, 3);
943 // positioning vacuum box in the lower section of TCDD
944 gMC->Gspos("Q11T", 1, "Q10T", 0., -1.1, 0., 0, "ONLY");
946 // positioning TCDD elements in ZDCA, (inside TCDD volume)
947 gMC->Gspos("Q08T", 1, "ZDCA", 0., fTCDDAperturePos, -100.+zd2, 0, "ONLY");
948 gMC->Gspos("Q10T", 1, "ZDCA", 0., -fTCDDApertureNeg, -100.+zd2, 0, "ONLY");
949 printf(" AliZDCv3 -> TCDD apertures +%1.2f/-%1.2f cm\n",
950 fTCDDAperturePos, fTCDDApertureNeg);
956 gMC->Gsvolu("Q12T", "BOX ", idtmed[7], boxpar, 3);
957 // positioning RF screen at both sides of TCDD
958 gMC->Gspos("Q12T", 1, "ZDCA", tubspar[1]+boxpar[0], 0., -100.+zd2, 0, "ONLY");
959 gMC->Gspos("Q12T", 2, "ZDCA", -tubspar[1]-boxpar[0], 0., -100.+zd2, 0, "ONLY");
960 //---------------------------- TCDD end ---------------------------------------
962 // The following elliptical tube 180 mm x 70 mm
963 // (obtained positioning the void QA09 in QA08)
964 // represents VMTSA (780 mm) + space reserved to the TCTVB (1480 mm)+
965 // VMTSA (780 mm) + first part of VCTCP (93 mm)
969 tubpar[2] = 313.3/2.;
970 // gMC->Gsvolu("QA06", "ELTU", idtmed[7], tubpar, 3);
971 // temporary replace with a scaled tube (AG)
972 TGeoTube *tubeQA06 = new TGeoTube(0.,tubpar[0],tubpar[2]);
973 TGeoScale *scaleQA06 = new TGeoScale(1., tubpar[1]/tubpar[0], 1.);
974 TGeoScaledShape *sshapeQA06 = new TGeoScaledShape(tubeQA06, scaleQA06);
975 new TGeoVolume("QA06", sshapeQA06, gGeoManager->GetMedium(idtmed[7]));
976 //printf(" QA06 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
980 tubpar[2] = 313.3/2.;
981 // gMC->Gsvolu("QA07", "ELTU", idtmed[10], tubpar, 3);
982 // temporary replace with a scaled tube (AG)
983 TGeoTube *tubeQA07 = new TGeoTube(0.,tubpar[0],tubpar[2]);
984 TGeoScale *scaleQA07 = new TGeoScale(1., tubpar[1]/tubpar[0], 1.);
985 TGeoScaledShape *sshapeQA07 = new TGeoScaledShape(tubeQA07, scaleQA07);
986 new TGeoVolume("QA07", sshapeQA07, gGeoManager->GetMedium(idtmed[10]));
987 //printf(" QA07 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
988 gMC->Gspos("QA06", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
989 gMC->Gspos("QA07", 1, "QA06", 0., 0., 0., 0, "ONLY");
991 // Vertical collimator jaws (defined ONLY if fVCollAperture<3.5!)
992 if(fVCollSideAAperture<3.5){
994 boxpar[1] = (3.5-fVCollSideAAperture-fVCollSideACentreY-0.7)/2.;
995 if(boxpar[1]<0.) boxpar[1]=0.;
996 boxpar[2] = 124.4/2.;
997 gMC->Gsvolu("QCVA" , "BOX ", idtmed[13], boxpar, 3);
998 gMC->Gspos("QCVA", 1, "QA07", -boxpar[0], fVCollSideAAperture+fVCollSideACentreY+boxpar[1], -313.3/2.+78.+148./2., 0, "ONLY");
999 gMC->Gspos("QCVA", 2, "QA07", -boxpar[0], -fVCollSideAApertureNeg+fVCollSideACentreY-boxpar[1], -313.3/2.+78.+148./2., 0, "ONLY");
1000 printf(" AliZDCv3 -> sideA VCollimator jaws: apertures +%1.2f/-%1.2f center %1.2f [cm]\n",
1001 fVCollSideAAperture, fVCollSideAApertureNeg,fVCollSideACentreY);
1004 zd2 += 2.*tubpar[2];
1006 // VCTCP second part: transition cone from ID=180 to ID=212.7
1007 conpar[0] = 31.5/2.;
1008 conpar[1] = 18.0/2.;
1009 conpar[2] = 18.6/2.;
1010 conpar[3] = 21.27/2.;
1011 conpar[4] = 21.87/2.;
1012 gMC->Gsvolu("QA08", "CONE", idtmed[7], conpar, 5);
1013 gMC->Gspos("QA08", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1015 //printf(" QA08 CONE from z = %Third part of VCTCR: tube (ID=196 mm) f to z = %f\n",zd2,2*conpar[0]+zd2);
1017 zd2 += 2.*conpar[0];
1020 // Represents VCTCP third part (92 mm) + VCDWB (765 mm) + VMBGA (400 mm) +
1021 // VCDWE (300 mm) + VMBGA (400 mm)
1022 tubpar[0] = 21.27/2.;
1023 tubpar[1] = 21.87/2.;
1024 tubpar[2] = 195.7/2.;
1025 gMC->Gsvolu("QA09", "TUBE", idtmed[7], tubpar, 3);
1026 gMC->Gspos("QA09", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1027 //printf(" QA09 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1029 zd2 += 2.*tubpar[2];
1031 // skewed transition piece (ID=212.7 mm to 332 mm) (before TDI)
1032 conpar[0] = (50.0-0.73-1.13)/2.;
1033 conpar[1] = 21.27/2.;
1034 conpar[2] = 21.87/2.;
1035 conpar[3] = 33.2/2.;
1036 conpar[4] = 33.8/2.;
1037 gMC->Gsvolu("QA10", "CONE", idtmed[7], conpar, 5);
1038 gMC->Gspos("QA10", 1, "ZDCA", -1.66, 0., conpar[0]+0.73+zd2, irotpipe4, "ONLY");
1040 //printf(" QA10 skewed CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+0.73+1.13+zd2);
1042 zd2 += 2.*conpar[0]+0.73+1.13;
1044 // Vacuum chamber containing TDI
1046 tubpar[1] = 54.6/2.;
1047 tubpar[2] = 540.0/2.;
1048 gMC->Gsvolu("Q13TM", "TUBE", idtmed[10], tubpar, 3);
1049 gMC->Gspos("Q13TM", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1050 tubpar[0] = 54.0/2.;
1051 tubpar[1] = 54.6/2.;
1052 tubpar[2] = 540.0/2.;
1053 gMC->Gsvolu("Q13T", "TUBE", idtmed[7], tubpar, 3);
1054 gMC->Gspos("Q13T", 1, "Q13TM", 0., 0., 0., 0, "ONLY");
1056 //printf(" Q13T TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1058 zd2 += 2.*tubpar[2];
1060 //---------------- INSERT TDI INSIDE Q13T -----------------------------------
1061 boxpar[0] = 11.0/2.;
1063 boxpar[2] = 540.0/2.;
1064 gMC->Gsvolu("QTD1", "BOX ", idtmed[7], boxpar, 3);
1065 gMC->Gspos("QTD1", 1, "Q13TM", -3.8, boxpar[1]+fTDIAperturePos, 0., 0, "ONLY");
1066 boxpar[0] = 11.0/2.;
1068 boxpar[2] = 540.0/2.;
1069 gMC->Gsvolu("QTD2", "BOX ", idtmed[7], boxpar, 3);
1070 gMC->Gspos("QTD2", 1, "Q13TM", -3.8, -boxpar[1]-fTDIApertureNeg, 0., 0, "ONLY");
1073 boxpar[2] = 540.0/2.;
1074 gMC->Gsvolu("QTD3", "BOX ", idtmed[7], boxpar, 3);
1075 gMC->Gspos("QTD3", 1, "Q13TM", -3.8+5.5+boxpar[0], fTDIAperturePos, 0., 0, "ONLY");
1076 gMC->Gspos("QTD3", 2, "Q13TM", -3.8+5.5+boxpar[0], -fTDIApertureNeg, 0., 0, "ONLY");
1077 gMC->Gspos("QTD3", 3, "Q13TM", -3.8-5.5-boxpar[0], fTDIAperturePos, 0., 0, "ONLY");
1078 gMC->Gspos("QTD3", 4, "Q13TM", -3.8-5.5-boxpar[0], -fTDIApertureNeg, 0., 0, "ONLY");
1079 printf(" AliZDCv3 -> TDI apertures +%1.2f/-%1.2f cm\n\n",
1080 fTDIAperturePos, fTDIApertureNeg);
1082 tubspar[0] = 12.0/2.;
1083 tubspar[1] = 12.4/2.;
1084 tubspar[2] = 540.0/2.;
1087 gMC->Gsvolu("QTD4", "TUBS", idtmed[7], tubspar, 5);
1088 gMC->Gspos("QTD4", 1, "Q13TM", -3.8-10.6, 0., 0., 0, "ONLY");
1089 tubspar[0] = 12.0/2.;
1090 tubspar[1] = 12.4/2.;
1091 tubspar[2] = 540.0/2.;
1094 gMC->Gsvolu("QTD5", "TUBS", idtmed[7], tubspar, 5);
1095 gMC->Gspos("QTD5", 1, "Q13TM", -3.8+10.6, 0., 0., 0, "ONLY");
1096 //---------------- END DEFINING TDI INSIDE Q13T -------------------------------
1098 // VCTCG skewed transition piece (ID=332 mm to 212.7 mm) (after TDI)
1099 conpar[0] = (50.0-2.92-1.89)/2.;
1100 conpar[1] = 33.2/2.;
1101 conpar[2] = 33.8/2.;
1102 conpar[3] = 21.27/2.;
1103 conpar[4] = 21.87/2.;
1104 gMC->Gsvolu("QA11", "CONE", idtmed[7], conpar, 5);
1105 gMC->Gspos("QA11", 1, "ZDCA", 4.32-3.8, 0., conpar[0]+2.92+zd2, irotpipe5, "ONLY");
1107 //printf(" QA11 skewed CONE from z = %f to z =%f\n",zd2,2*conpar[0]+2.92+1.89+zd2);
1109 zd2 += 2.*conpar[0]+2.92+1.89;
1111 // The following tube ID 212.7 mm
1112 // represents VMBGA (400 mm) + VCDWE (300 mm) + VMBGA (400 mm) +
1113 // BTVTS (600 mm) + VMLGB (400 mm)
1114 tubpar[0] = 21.27/2.;
1115 tubpar[1] = 21.87/2.;
1116 tubpar[2] = 210.0/2.;
1117 gMC->Gsvolu("QA12", "TUBE", idtmed[7], tubpar, 3);
1118 gMC->Gspos("QA12", 1, "ZDCA", 4., 0., tubpar[2]+zd2, 0, "ONLY");
1120 //printf(" QA12 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1122 zd2 += 2.*tubpar[2];
1124 // First part of VCTCC
1125 // skewed transition cone from ID=212.7 mm to ID=797 mm
1126 conpar[0] = (121.0-0.37-1.35)/2.;
1127 conpar[1] = 21.27/2.;
1128 conpar[2] = 21.87/2.;
1129 conpar[3] = 79.7/2.;
1130 conpar[4] = 81.3/2.;
1131 gMC->Gsvolu("QA13", "CONE", idtmed[7], conpar, 5);
1132 gMC->Gspos("QA13", 1, "ZDCA", 4.-2., 0., conpar[0]+0.37+zd2, irotpipe3, "ONLY");
1134 //printf(" QA13 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+0.37+1.35+zd2);
1136 zd2 += 2.*conpar[0]+0.37+1.35;
1138 // The following tube ID 797 mm --- (volume QA16)
1139 // represents the second part of VCTCC (4272 mm) +
1140 // 4 x VCDGA (4 x 4272 mm) +
1141 // the first part of VCTCR (850 mm)
1142 tubpar[0] = 79.7/2.;
1143 tubpar[1] = 81.3/2.;
1144 tubpar[2] = 2221./2.;
1145 gMC->Gsvolu("QA14", "TUBE", idtmed[7], tubpar, 3);
1146 gMC->Gspos("QA14", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1148 //printf(" QA14 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1150 zd2 += 2.*tubpar[2];
1152 // Second part of VCTCR
1153 // Transition from ID=797 mm to ID=196 mm:
1154 // in order to simulate the thin window opened in the transition cone
1155 // we divide the transition cone in three cones:
1156 // (1) 8 mm thick (2) 3 mm thick (3) the third 8 mm thick
1159 conpar[0] = 9.09/2.; // 15 degree
1160 conpar[1] = 79.7/2.;
1161 conpar[2] = 81.3/2.; // thickness 8 mm
1162 conpar[3] = 74.82868/2.;
1163 conpar[4] = 76.42868/2.; // thickness 8 mm
1164 gMC->Gsvolu("QA15", "CONE", idtmed[7], conpar, 5);
1165 gMC->Gspos("QA15", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1166 //printf(" QA15 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1168 zd2 += 2.*conpar[0];
1171 conpar[0] = 96.2/2.; // 15 degree
1172 conpar[1] = 74.82868/2.;
1173 conpar[2] = 75.42868/2.; // thickness 3 mm
1174 conpar[3] = 23.19588/2.;
1175 conpar[4] = 23.79588/2.; // thickness 3 mm
1176 gMC->Gsvolu("QA16", "CONE", idtmed[7], conpar, 5);
1177 gMC->Gspos("QA16", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1178 //printf(" QA16 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1180 zd2 += 2.*conpar[0];
1183 conpar[0] = 6.71/2.; // 15 degree
1184 conpar[1] = 23.19588/2.;
1185 conpar[2] = 24.79588/2.;// thickness 8 mm
1186 conpar[3] = 19.6/2.;
1187 conpar[4] = 21.2/2.;// thickness 8 mm
1188 gMC->Gsvolu("QA17", "CONE", idtmed[7], conpar, 5);
1189 gMC->Gspos("QA17", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1190 //printf(" QA19 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1192 zd2 += 2.*conpar[0];
1194 // Third part of VCTCR: tube (ID=196 mm)
1195 tubpar[0] = 19.6/2.;
1196 tubpar[1] = 21.2/2.;
1197 tubpar[2] = 9.55/2.;
1198 gMC->Gsvolu("QA18", "TUBE", idtmed[7], tubpar, 3);
1199 gMC->Gspos("QA18", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1201 //printf(" QA18 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1203 zd2 += 2.*tubpar[2];
1205 // Flange (ID=196 mm) (last part of VCTCR and first part of VMZAR)
1206 tubpar[0] = 19.6/2.;
1207 tubpar[1] = 25.3/2.;
1209 gMC->Gsvolu("QF01", "TUBE", idtmed[7], tubpar, 3);
1210 gMC->Gspos("QF01", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1212 //printf(" QF01 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1214 zd2 += 2.*tubpar[2];
1216 // VMZAR (5 volumes)
1217 tubpar[0] = 20.2/2.;
1218 tubpar[1] = 20.6/2.;
1219 tubpar[2] = 2.15/2.;
1220 gMC->Gsvolu("QA19", "TUBE", idtmed[7], tubpar, 3);
1221 gMC->Gspos("QA19", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1223 //printf(" QA19 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1225 zd2 += 2.*tubpar[2];
1228 conpar[1] = 20.2/2.;
1229 conpar[2] = 20.6/2.;
1230 conpar[3] = 23.9/2.;
1231 conpar[4] = 24.3/2.;
1232 gMC->Gsvolu("QA20", "CONE", idtmed[7], conpar, 5);
1233 gMC->Gspos("QA20", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1235 //printf(" QA20 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1237 zd2 += 2.*conpar[0];
1239 tubpar[0] = 23.9/2.;
1240 tubpar[1] = 25.5/2.;
1241 tubpar[2] = 17.0/2.;
1242 gMC->Gsvolu("QA21", "TUBE", idtmed[7], tubpar, 3);
1243 gMC->Gspos("QA21", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1245 //printf(" QA21 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1247 zd2 += 2.*tubpar[2];
1250 conpar[1] = 23.9/2.;
1251 conpar[2] = 24.3/2.;
1252 conpar[3] = 20.2/2.;
1253 conpar[4] = 20.6/2.;
1254 gMC->Gsvolu("QA22", "CONE", idtmed[7], conpar, 5);
1255 gMC->Gspos("QA22", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1257 //printf(" QA22 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1259 zd2 += 2.*conpar[0];
1261 tubpar[0] = 20.2/2.;
1262 tubpar[1] = 20.6/2.;
1263 tubpar[2] = 2.15/2.;
1264 gMC->Gsvolu("QA23", "TUBE", idtmed[7], tubpar, 3);
1265 gMC->Gspos("QA23", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1267 //printf(" QA23 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1269 zd2 += 2.*tubpar[2];
1271 // Flange (ID=196 mm)(last part of VMZAR and first part of VCTYD)
1272 tubpar[0] = 19.6/2.;
1273 tubpar[1] = 25.3/2.;
1275 gMC->Gsvolu("QF02", "TUBE", idtmed[7], tubpar, 3);
1276 gMC->Gspos("QF02", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1278 //printf(" QF02 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1280 zd2 += 2.*tubpar[2];
1282 // simulation of the trousers (VCTYB)
1283 tubpar[0] = 19.6/2.;
1284 tubpar[1] = 20.0/2.;
1286 gMC->Gsvolu("QA24", "TUBE", idtmed[7], tubpar, 3);
1287 gMC->Gspos("QA24", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1289 //printf(" QA24 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1291 zd2 += 2.*tubpar[2];
1293 // transition cone from ID=196. to ID=216.6
1294 conpar[0] = 32.55/2.;
1295 conpar[1] = 19.6/2.;
1296 conpar[2] = 20.0/2.;
1297 conpar[3] = 21.66/2.;
1298 conpar[4] = 22.06/2.;
1299 gMC->Gsvolu("QA25", "CONE", idtmed[7], conpar, 5);
1300 gMC->Gspos("QA25", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1302 //printf(" QA25 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1304 zd2 += 2.*conpar[0];
1307 tubpar[0] = 21.66/2.;
1308 tubpar[1] = 22.06/2.;
1309 tubpar[2] = 28.6/2.;
1310 gMC->Gsvolu("QA26", "TUBE", idtmed[7], tubpar, 3);
1311 gMC->Gspos("QA26", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1313 //printf(" QA26 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1315 zd2 += 2.*tubpar[2];
1317 // --------------------------------------------------------
1318 // RECOMBINATION CHAMBER IMPLEMENTED USING TGeo CLASSES!!!!
1319 // author: Chiara (June 2008)
1320 // --------------------------------------------------------
1321 // TRANSFORMATION MATRICES
1322 // Combi transformation:
1327 thx = 84.989100; phx = 0.000000;
1328 thy = 90.000000; phy = 90.000000;
1329 thz = 5.010900; phz = 180.000000;
1330 TGeoRotation *rotMatrix1 = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
1331 // Combi transformation:
1335 TGeoCombiTrans *rotMatrix2 = new TGeoCombiTrans("ZDC_c1", dx,dy,dz,rotMatrix1);
1336 rotMatrix2->RegisterYourself();
1337 // Combi transformation:
1342 thx = 95.010900; phx = 0.000000;
1343 thy = 90.000000; phy = 90.000000;
1344 thz = 5.010900; phz = 0.000000;
1345 TGeoRotation *rotMatrix3 = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
1346 TGeoCombiTrans *rotMatrix4 = new TGeoCombiTrans("ZDC_c2", dx,dy,dz,rotMatrix3);
1347 rotMatrix4->RegisterYourself();
1350 // VOLUMES DEFINITION
1352 TGeoVolume *pZDCA = gGeoManager->GetVolume("ZDCA");
1354 conpar[0] = (90.1-0.95-0.26)/2.;
1356 conpar[2] = 21.6/2.;
1359 new TGeoCone("QALext", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
1361 conpar[0] = (90.1-0.95-0.26)/2.;
1363 conpar[2] = 21.2/2.;
1366 new TGeoCone("QALint", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
1369 TGeoCompositeShape *pOutTrousers = new TGeoCompositeShape("outTrousers", "QALext:ZDC_c1+QALext:ZDC_c2");
1372 //TGeoMedium *medZDCFe = gGeoManager->GetMedium("ZDC_ZIRON");
1373 TGeoVolume *pQALext = new TGeoVolume("QALext",pOutTrousers, medZDCFe);
1374 pQALext->SetLineColor(kBlue);
1375 pQALext->SetVisLeaves(kTRUE);
1377 TGeoTranslation *tr1 = new TGeoTranslation(0., 0., (Double_t) conpar[0]+0.95+zd2);
1378 pZDCA->AddNode(pQALext, 1, tr1);
1380 TGeoCompositeShape *pIntTrousers = new TGeoCompositeShape("intTrousers", "QALint:ZDC_c1+QALint:ZDC_c2");
1382 //TGeoMedium *medZDCvoid = gGeoManager->GetMedium("ZDC_ZVOID");
1383 TGeoVolume *pQALint = new TGeoVolume("QALint",pIntTrousers, medZDCvoid);
1384 pQALint->SetLineColor(kAzure);
1385 pQALint->SetVisLeaves(kTRUE);
1386 pQALext->AddNode(pQALint, 1);
1390 // second section : 2 tubes (ID = 54. OD = 58.)
1393 tubpar[2] = 40.0/2.;
1394 gMC->Gsvolu("QA27", "TUBE", idtmed[7], tubpar, 3);
1395 gMC->Gspos("QA27", 1, "ZDCA", -15.8/2., 0., tubpar[2]+zd2, 0, "ONLY");
1396 gMC->Gspos("QA27", 2, "ZDCA", 15.8/2., 0., tubpar[2]+zd2, 0, "ONLY");
1398 //printf(" QA27 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1400 zd2 += 2.*tubpar[2];
1402 // transition x2zdc to recombination chamber : skewed cone
1403 conpar[0] = (10.-1.)/2.;
1408 gMC->Gsvolu("QA28", "CONE", idtmed[7], conpar, 5);
1409 gMC->Gspos("QA28", 1, "ZDCA", -7.9-0.175, 0., conpar[0]+0.5+zd2, irotpipe1, "ONLY");
1410 gMC->Gspos("QA28", 2, "ZDCA", 7.9+0.175, 0., conpar[0]+0.5+zd2, irotpipe2, "ONLY");
1411 //printf(" QA28 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+0.2+zd2);
1413 zd2 += 2.*conpar[0]+1.;
1415 // 2 tubes (ID = 63 mm OD=70 mm)
1418 tubpar[2] = (342.5+498.3)/2.;
1419 gMC->Gsvolu("QA29", "TUBE", idtmed[7], tubpar, 3);
1420 gMC->Gspos("QA29", 1, "ZDCA", -16.5/2., 0., tubpar[2]+zd2, 0, "ONLY");
1421 gMC->Gspos("QA29", 2, "ZDCA", 16.5/2., 0., tubpar[2]+zd2, 0, "ONLY");
1422 //printf(" QA29 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1424 zd2 += 2.*tubpar[2];
1426 // -- Luminometer (Cu box) in front of ZN - side A
1429 boxpar[2] = fLumiLength/2.;
1430 gMC->Gsvolu("QLUA", "BOX ", idtmed[9], boxpar, 3);
1431 gMC->Gspos("QLUA", 1, "ZDCA", 0., 0., fPosZNA[2]-66.-boxpar[2], 0, "ONLY");
1432 //printf(" QLUA LUMINOMETER from z = %1.2f to z= %1.2f\n\n", fPosZNA[2]-66., fPosZNA[2]-66.-2*boxpar[2]);
1434 //printf(" END OF BEAM PIPE VOLUME DEFINITION AT z = %f\n",zd2);
1437 // ----------------------------------------------------------------
1438 // -- MAGNET DEFINITION -> LHC OPTICS 6.5
1439 // ----------------------------------------------------------------
1440 // ***************************************************************
1441 // SIDE C - RB26 (dimuon side)
1442 // ***************************************************************
1443 // -- COMPENSATOR DIPOLE (MBXW)
1446 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1449 tubpar[2] = 153./2.;
1450 gMC->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3);
1455 tubpar[2] = 153./2.;
1456 gMC->Gsvolu("YMBX", "TUBE", idtmed[7], tubpar, 3);
1458 gMC->Gspos("MBXW", 1, "ZDCC", 0., 0., -tubpar[2]-zCorrDip, 0, "ONLY");
1459 gMC->Gspos("YMBX", 1, "ZDCC", 0., 0., -tubpar[2]-zCorrDip, 0, "ONLY");
1465 // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT
1467 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1470 tubpar[2] = 637./2.;
1471 gMC->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3);
1476 tubpar[2] = 637./2.;
1477 gMC->Gsvolu("YMQL", "TUBE", idtmed[7], tubpar, 3);
1479 gMC->Gspos("MQXL", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip, 0, "ONLY");
1480 gMC->Gspos("YMQL", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip, 0, "ONLY");
1482 gMC->Gspos("MQXL", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-2400., 0, "ONLY");
1483 gMC->Gspos("YMQL", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-2400., 0, "ONLY");
1486 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1489 tubpar[2] = 550./2.;
1490 gMC->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3);
1495 tubpar[2] = 550./2.;
1496 gMC->Gsvolu("YMQ ", "TUBE", idtmed[7], tubpar, 3);
1498 gMC->Gspos("MQX ", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-908.5, 0, "ONLY");
1499 gMC->Gspos("YMQ ", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-908.5, 0, "ONLY");
1501 gMC->Gspos("MQX ", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-1558.5, 0, "ONLY");
1502 gMC->Gspos("YMQ ", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-1558.5, 0, "ONLY");
1504 // -- SEPARATOR DIPOLE D1
1507 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1510 tubpar[2] = 945./2.;
1511 gMC->Gsvolu("MD1 ", "TUBE", idtmed[11], tubpar, 3);
1513 // -- Insert horizontal Cu plates inside D1
1514 // -- (to simulate the vacuum chamber)
1515 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.98+0.2)*(2.98+0.2)) - 0.05;
1517 boxpar[2] = 945./2.;
1518 gMC->Gsvolu("MD1V", "BOX ", idtmed[6], boxpar, 3);
1519 gMC->Gspos("MD1V", 1, "MD1 ", 0., 2.98+boxpar[1], 0., 0, "ONLY");
1520 gMC->Gspos("MD1V", 2, "MD1 ", 0., -2.98-boxpar[1], 0., 0, "ONLY");
1524 tubpar[1] = 110./2.;
1525 tubpar[2] = 945./2.;
1526 gMC->Gsvolu("YD1 ", "TUBE", idtmed[7], tubpar, 3);
1528 gMC->Gspos("YD1 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD1, 0, "ONLY");
1529 gMC->Gspos("MD1 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD1, 0, "ONLY");
1531 //printf(" MD1 from z = %1.2f to z= %1.2f cm\n",-zD1, -zD1-2*tubpar[2]);
1535 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1538 tubpar[2] = 945./2.;
1539 gMC->Gsvolu("MD2 ", "TUBE", idtmed[11], tubpar, 3);
1544 tubpar[2] = 945./2.;
1545 gMC->Gsvolu("YD2 ", "TUBE", idtmed[7], tubpar, 3);
1547 gMC->Gspos("YD2 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD2, 0, "ONLY");
1549 //printf(" YD2 from z = %1.2f to z= %1.2f cm\n",-zD2, -zD2-2*tubpar[2]);
1551 gMC->Gspos("MD2 ", 1, "YD2 ", -9.4, 0., 0., 0, "ONLY");
1552 gMC->Gspos("MD2 ", 2, "YD2 ", 9.4, 0., 0., 0, "ONLY");
1554 // ***************************************************************
1556 // ***************************************************************
1558 // COMPENSATOR DIPOLE (MCBWA) (2nd compensator)
1559 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1562 tubpar[2] = 153./2.;
1563 gMC->Gsvolu("MCBW", "TUBE", idtmed[11], tubpar, 3);
1564 gMC->Gspos("MCBW", 1, "ZDCA", 0., 0., tubpar[2]+zCorrDip, 0, "ONLY");
1569 tubpar[2] = 153./2.;
1570 gMC->Gsvolu("YMCB", "TUBE", idtmed[7], tubpar, 3);
1571 gMC->Gspos("YMCB", 1, "ZDCA", 0., 0., tubpar[2]+zCorrDip, 0, "ONLY");
1574 // -- DEFINE MQX1 AND MQX2 QUADRUPOLE ELEMENT
1576 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1579 tubpar[2] = 637./2.;
1580 gMC->Gsvolu("MQX1", "TUBE", idtmed[11], tubpar, 3);
1581 gMC->Gsvolu("MQX4", "TUBE", idtmed[11], tubpar, 3);
1586 tubpar[2] = 637./2.;
1587 gMC->Gsvolu("YMQ1", "TUBE", idtmed[7], tubpar, 3);
1590 gMC->Gspos("MQX1", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip, 0, "ONLY");
1591 gMC->Gspos("YMQ1", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip, 0, "ONLY");
1593 // -- BEAM SCREEN FOR Q1
1594 tubpar[0] = 4.78/2.;
1595 tubpar[1] = 5.18/2.;
1596 tubpar[2] = 637./2.;
1597 gMC->Gsvolu("QBS1", "TUBE", idtmed[6], tubpar, 3);
1598 gMC->Gspos("QBS1", 1, "MQX1", 0., 0., 0., 0, "ONLY");
1599 // INSERT VERTICAL PLATE INSIDE Q1
1600 boxpar[0] = 0.2/2.0;
1601 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(1.9+0.2)*(1.9+0.2));
1603 gMC->Gsvolu("QBS2", "BOX ", idtmed[6], boxpar, 3);
1604 gMC->Gspos("QBS2", 1, "MQX1", 1.9+boxpar[0], 0., 0., 0, "ONLY");
1605 gMC->Gspos("QBS2", 2, "MQX1", -1.9-boxpar[0], 0., 0., 0, "ONLY");
1608 gMC->Gspos("MQX4", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+2400., 0, "ONLY");
1609 gMC->Gspos("YMQ1", 2, "ZDCA", 0., 0., tubpar[2]+zInnTrip+2400., 0, "ONLY");
1611 // -- BEAM SCREEN FOR Q3
1612 tubpar[0] = 5.79/2.;
1613 tubpar[1] = 6.14/2.;
1614 tubpar[2] = 637./2.;
1615 gMC->Gsvolu("QBS3", "TUBE", idtmed[6], tubpar, 3);
1616 gMC->Gspos("QBS3", 1, "MQX4", 0., 0., 0., 0, "ONLY");
1617 // INSERT VERTICAL PLATE INSIDE Q3
1618 boxpar[0] = 0.2/2.0;
1619 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(2.405+0.2)*(2.405+0.2));
1621 gMC->Gsvolu("QBS4", "BOX ", idtmed[6], boxpar, 3);
1622 gMC->Gspos("QBS4", 1, "MQX4", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1623 gMC->Gspos("QBS4", 2, "MQX4", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1628 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1631 tubpar[2] = 550./2.;
1632 gMC->Gsvolu("MQX2", "TUBE", idtmed[11], tubpar, 3);
1633 gMC->Gsvolu("MQX3", "TUBE", idtmed[11], tubpar, 3);
1638 tubpar[2] = 550./2.;
1639 gMC->Gsvolu("YMQ2", "TUBE", idtmed[7], tubpar, 3);
1641 // -- BEAM SCREEN FOR Q2
1642 tubpar[0] = 5.79/2.;
1643 tubpar[1] = 6.14/2.;
1644 tubpar[2] = 550./2.;
1645 gMC->Gsvolu("QBS5", "TUBE", idtmed[6], tubpar, 3);
1646 // VERTICAL PLATE INSIDE Q2
1647 boxpar[0] = 0.2/2.0;
1648 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(2.405+0.2)*(2.405+0.2));
1650 gMC->Gsvolu("QBS6", "BOX ", idtmed[6], boxpar, 3);
1653 gMC->Gspos("MQX2", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+908.5, 0, "ONLY");
1654 gMC->Gspos("QBS5", 1, "MQX2", 0., 0., 0., 0, "ONLY");
1655 gMC->Gspos("QBS6", 1, "MQX2", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1656 gMC->Gspos("QBS6", 2, "MQX2", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1657 gMC->Gspos("YMQ2", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+908.5, 0, "ONLY");
1661 gMC->Gspos("MQX3", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+1558.5, 0, "ONLY");
1662 gMC->Gspos("QBS5", 2, "MQX3", 0., 0., 0., 0, "ONLY");
1663 gMC->Gspos("QBS6", 3, "MQX3", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1664 gMC->Gspos("QBS6", 4, "MQX3", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1665 gMC->Gspos("YMQ2", 2, "ZDCA", 0., 0., tubpar[2]+zInnTrip+1558.5, 0, "ONLY");
1667 // -- SEPARATOR DIPOLE D1
1668 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1670 tubpar[1] = 6.75/2.;//3.375
1671 tubpar[2] = 945./2.;
1672 gMC->Gsvolu("MD1L", "TUBE", idtmed[11], tubpar, 3);
1674 // -- The beam screen tube is provided by the beam pipe in D1 (QA03 volume)
1675 // -- Insert the beam screen horizontal Cu plates inside D1
1676 // -- (to simulate the vacuum chamber)
1677 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.885+0.2)*(2.885+0.2));
1680 gMC->Gsvolu("QBS7", "BOX ", idtmed[6], boxpar, 3);
1681 gMC->Gspos("QBS7", 1, "MD1L", 0., 2.885+boxpar[1],0., 0, "ONLY");
1682 gMC->Gspos("QBS7", 2, "MD1L", 0., -2.885-boxpar[1],0., 0, "ONLY");
1687 tubpar[2] = 945./2.;
1688 gMC->Gsvolu("YD1L", "TUBE", idtmed[7], tubpar, 3);
1690 gMC->Gspos("YD1L", 1, "ZDCA", 0., 0., tubpar[2]+zD1, 0, "ONLY");
1691 gMC->Gspos("MD1L", 1, "ZDCA", 0., 0., tubpar[2]+zD1, 0, "ONLY");
1694 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1696 tubpar[1] = 7.5/2.; // this has to be checked
1697 tubpar[2] = 945./2.;
1698 gMC->Gsvolu("MD2L", "TUBE", idtmed[11], tubpar, 3);
1703 tubpar[2] = 945./2.;
1704 gMC->Gsvolu("YD2L", "TUBE", idtmed[7], tubpar, 3);
1706 gMC->Gspos("YD2L", 1, "ZDCA", 0., 0., tubpar[2]+zD2, 0, "ONLY");
1708 gMC->Gspos("MD2L", 1, "YD2L", -9.4, 0., 0., 0, "ONLY");
1709 gMC->Gspos("MD2L", 2, "YD2L", 9.4, 0., 0., 0, "ONLY");
1711 // -- END OF MAGNET DEFINITION
1714 //_____________________________________________________________________________
1715 void AliZDCv3::CreateZDC()
1718 // Create the various ZDCs (ZN + ZP)
1721 Float_t dimPb[6], dimVoid[6];
1723 Int_t *idtmed = fIdtmed->GetArray();
1725 // Parameters for hadronic calorimeters geometry
1726 // NB -> parameters used ONLY in CreateZDC()
1727 Float_t fGrvZN[3] = {0.03, 0.03, 50.}; // Grooves for neutron detector
1728 Float_t fGrvZP[3] = {0.04, 0.04, 75.}; // Grooves for proton detector
1729 Int_t fDivZN[3] = {11, 11, 0}; // Division for neutron detector
1730 Int_t fDivZP[3] = {7, 15, 0}; // Division for proton detector
1731 Int_t fTowZN[2] = {2, 2}; // Tower for neutron detector
1732 Int_t fTowZP[2] = {4, 1}; // Tower for proton detector
1734 // Parameters for EM calorimeter geometry
1735 // NB -> parameters used ONLY in CreateZDC()
1736 Float_t kDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
1737 Float_t kFibRadZEM = 0.0315; // External fiber radius (including cladding)
1738 Int_t fDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
1739 Float_t fDimZEM[6] = {fZEMLength, 3.5, 3.5, 45., 0., 0.}; // Dimensions of EM detector
1740 Float_t fFibZEM2 = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-kFibRadZEM;
1741 Float_t fFibZEM[3] = {0., 0.0275, fFibZEM2}; // Fibers for EM calorimeter
1744 //-- Create calorimeters geometry
1746 // -------------------------------------------------------------------------------
1747 //--> Neutron calorimeter (ZN)
1749 gMC->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material
1750 gMC->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material
1751 gMC->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3);
1752 gMC->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3);
1753 gMC->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3);
1754 gMC->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves
1755 gMC->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3);
1756 gMC->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3);
1757 gMC->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3);
1759 // Divide ZNEU in towers (for hits purposes)
1761 gMC->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower
1762 gMC->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower
1764 //-- Divide ZN1 in minitowers
1765 // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS,
1766 // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS
1767 // (4 fibres per minitower)
1769 gMC->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices
1770 gMC->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks
1772 // --- Position the empty grooves in the sticks (4 grooves per stick)
1773 Float_t dx = fDimZN[0] / fDivZN[0] / 4.;
1774 Float_t dy = fDimZN[1] / fDivZN[1] / 4.;
1776 gMC->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY");
1777 gMC->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY");
1778 gMC->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY");
1779 gMC->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY");
1781 // --- Position the fibers in the grooves
1782 gMC->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY");
1783 gMC->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY");
1784 gMC->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY");
1785 gMC->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY");
1787 // --- Position the neutron calorimeter in ZDC
1788 // -- Rotation of ZDCs
1790 gMC->Matrix(irotzdc, 90., 180., 90., 90., 180., 0.);
1792 gMC->Gspos("ZNEU", 1, "ZDCC", fPosZNC[0], fPosZNC[1], fPosZNC[2]-fDimZN[2], irotzdc, "ONLY");
1794 //printf("\n ZN -> %f < z < %f cm\n",fPosZN[2],fPosZN[2]-2*fDimZN[2]);
1796 // --- Position the neutron calorimeter in ZDC2 (left line)
1797 // -- No Rotation of ZDCs
1798 gMC->Gspos("ZNEU", 2, "ZDCA", fPosZNA[0], fPosZNA[1], fPosZNA[2]+fDimZN[2], 0, "ONLY");
1800 //printf("\n ZN left -> %f < z < %f cm\n",fPosZNl[2],fPosZNl[2]+2*fDimZN[2]);
1803 // -------------------------------------------------------------------------------
1804 //--> Proton calorimeter (ZP)
1806 gMC->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material
1807 gMC->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material
1808 gMC->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3);
1809 gMC->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3);
1810 gMC->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3);
1811 gMC->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves
1812 gMC->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3);
1813 gMC->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3);
1814 gMC->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3);
1816 //-- Divide ZPRO in towers(for hits purposes)
1818 gMC->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower
1819 gMC->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower
1822 //-- Divide ZP1 in minitowers
1823 // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER,
1824 // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER
1825 // (4 fiber per minitower)
1827 gMC->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices
1828 gMC->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks
1830 // --- Position the empty grooves in the sticks (4 grooves per stick)
1831 dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.;
1832 dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.;
1834 gMC->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY");
1835 gMC->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY");
1836 gMC->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY");
1837 gMC->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY");
1839 // --- Position the fibers in the grooves
1840 gMC->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY");
1841 gMC->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY");
1842 gMC->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY");
1843 gMC->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY");
1846 // --- Position the proton calorimeter in ZDCC
1847 gMC->Gspos("ZPRO", 1, "ZDCC", fPosZPC[0], fPosZPC[1], fPosZPC[2]-fDimZP[2], irotzdc, "ONLY");
1849 //printf("\n ZP -> %f < z < %f cm\n",fPosZP[2],fPosZP[2]-2*fDimZP[2]);
1851 // --- Position the proton calorimeter in ZDCA
1853 gMC->Gspos("ZPRO", 2, "ZDCA", fPosZPA[0], fPosZPA[1], fPosZPA[2]+fDimZP[2], 0, "ONLY");
1855 //printf("\n ZP left -> %f < z < %f cm\n",fPosZPl[2],fPosZPl[2]+2*fDimZP[2]);
1858 // -------------------------------------------------------------------------------
1859 // -> EM calorimeter (ZEM)
1861 gMC->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6);
1864 gMC->Matrix(irot1,0.,0.,90.,90.,-90.,0.); // Rotation matrix 1
1865 gMC->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]);// Rotation matrix 2
1866 //printf("irot1 = %d, irot2 = %d \n", irot1, irot2);
1868 gMC->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material
1870 gMC->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches
1872 dimPb[0] = kDimZEMPb; // Lead slices
1873 dimPb[1] = fDimZEM[2];
1874 dimPb[2] = fDimZEM[1];
1875 //dimPb[3] = fDimZEM[3]; //controllare
1876 dimPb[3] = 90.-fDimZEM[3]; //originale
1879 gMC->Gsvolu("ZEL0", "PARA", idtmed[5], dimPb, 6);
1880 gMC->Gsvolu("ZEL1", "PARA", idtmed[5], dimPb, 6);
1881 gMC->Gsvolu("ZEL2", "PARA", idtmed[5], dimPb, 6);
1883 // --- Position the lead slices in the tranche
1884 Float_t zTran = fDimZEM[0]/fDivZEM[2];
1885 Float_t zTrPb = -zTran+kDimZEMPb;
1886 gMC->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY");
1887 gMC->Gspos("ZEL1", 1, "ZETR", kDimZEMPb, 0., 0., 0, "ONLY");
1889 // --- Vacuum zone (to be filled with fibres)
1890 dimVoid[0] = (zTran-2*kDimZEMPb)/2.;
1891 dimVoid[1] = fDimZEM[2];
1892 dimVoid[2] = fDimZEM[1];
1893 dimVoid[3] = 90.-fDimZEM[3];
1896 gMC->Gsvolu("ZEV0", "PARA", idtmed[10], dimVoid,6);
1897 gMC->Gsvolu("ZEV1", "PARA", idtmed[10], dimVoid,6);
1899 // --- Divide the vacuum slice into sticks along x axis
1900 gMC->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3);
1901 gMC->Gsdvn("ZES1", "ZEV1", fDivZEM[0], 3);
1903 // --- Positioning the fibers into the sticks
1904 gMC->Gspos("ZEMF", 1,"ZES0", 0., 0., 0., irot2, "ONLY");
1905 gMC->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY");
1907 // --- Positioning the vacuum slice into the tranche
1908 //Float_t displFib = fDimZEM[1]/fDivZEM[0];
1909 gMC->Gspos("ZEV0", 1,"ZETR", -dimVoid[0], 0., 0., 0, "ONLY");
1910 gMC->Gspos("ZEV1", 1,"ZETR", -dimVoid[0]+zTran, 0., 0., 0, "ONLY");
1912 // --- Positioning the ZEM into the ZDC - rotation for 90 degrees
1913 // NB -> ZEM is positioned in ALIC (instead of in ZDC) volume
1914 gMC->Gspos("ZEM ", 1,"ALIC", -fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
1916 // Second EM ZDC (same side w.r.t. IP, just on the other side w.r.t. beam pipe)
1917 gMC->Gspos("ZEM ", 2,"ALIC", fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
1919 // --- Adding last slice at the end of the EM calorimeter
1920 Float_t zLastSlice = fPosZEM[2]+kDimZEMPb+2*fDimZEM[0];
1921 gMC->Gspos("ZEL2", 1,"ALIC", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY");
1923 //printf("\n ZEM lenght = %f cm\n",2*fZEMLength);
1924 //printf("\n ZEM -> %f < z < %f cm\n",fPosZEM[2],fPosZEM[2]+2*fZEMLength+zLastSlice+kDimZEMPb);
1928 //_____________________________________________________________________________
1929 void AliZDCv3::CreateMaterials()
1932 // Create Materials for the Zero Degree Calorimeter
1934 Float_t dens, ubuf[1], wmat[3], a[3], z[3];
1936 // --- W alloy -> ZN passive material
1947 AliMixture(1, "WALL", a, z, dens, 3, wmat);
1949 // --- Brass (CuZn) -> ZP passive material
1957 AliMixture(2, "BRASS", a, z, dens, 2, wmat);
1967 AliMixture(3, "SIO2", a, z, dens, -2, wmat);
1971 AliMaterial(5, "LEAD", 207.19, 82., 11.35, .56, 0., ubuf, 1);
1973 // --- Copper (energy loss taken into account)
1975 AliMaterial(6, "COPP0", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
1979 AliMaterial(9, "COPP1", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
1981 // --- Iron (energy loss taken into account)
1983 AliMaterial(7, "IRON0", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
1985 // --- Iron (no energy loss)
1987 AliMaterial(8, "IRON1", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
1991 AliMaterial(13, "TANT", 183.84, 74., 19.3, 0.35, 0., ubuf, 1);
1993 // ---------------------------------------------------------
1994 Float_t aResGas[3]={1.008,12.0107,15.9994};
1995 Float_t zResGas[3]={1.,6.,8.};
1996 Float_t wResGas[3]={0.28,0.28,0.44};
1997 Float_t dResGas = 3.2E-14;
1999 // --- Vacuum (no magnetic field)
2000 AliMixture(10, "VOID", aResGas, zResGas, dResGas, 3, wResGas);
2002 // --- Vacuum (with magnetic field)
2003 AliMixture(11, "VOIM", aResGas, zResGas, dResGas, 3, wResGas);
2005 // --- Air (no magnetic field)
2006 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
2007 Float_t zAir[4]={6.,7.,8.,18.};
2008 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
2009 Float_t dAir = 1.20479E-3;
2011 AliMixture(12, "Air $", aAir, zAir, dAir, 4, wAir);
2013 // --- Definition of tracking media:
2015 // --- Tantalum = 1 ;
2017 // --- Fibers (SiO2) = 3 ;
2018 // --- Fibers (SiO2) = 4 ;
2020 // --- Copper (with high thr.)= 6 ;
2021 // --- Copper (with low thr.)= 9;
2022 // --- Iron (with energy loss) = 7 ;
2023 // --- Iron (without energy loss) = 8 ;
2024 // --- Vacuum (no field) = 10
2025 // --- Vacuum (with field) = 11
2026 // --- Air (no field) = 12
2028 // ****************************************************
2029 // Tracking media parameters
2031 Float_t epsil = 0.01; // Tracking precision,
2032 Float_t stmin = 0.01; // Min. value 4 max. step (cm)
2033 Float_t stemax = 1.; // Max. step permitted (cm)
2034 Float_t tmaxfd = 0.; // Maximum angle due to field (degrees)
2035 Float_t tmaxfdv = 0.1; // Maximum angle due to field (degrees)
2036 Float_t deemax = -1.; // Maximum fractional energy loss
2037 Float_t nofieldm = 0.; // Max. field value (no field)
2038 Float_t fieldm = 45.; // Max. field value (with field)
2039 Int_t isvol = 0; // ISVOL =0 -> not sensitive volume
2040 Int_t isvolActive = 1; // ISVOL =1 -> sensitive volume
2041 Int_t inofld = 0; // IFIELD=0 -> no magnetic field
2042 Int_t ifield =2; // IFIELD=2 -> magnetic field defined in AliMagFC.h
2043 // *****************************************************
2045 AliMedium(1, "ZWALL", 1, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2046 AliMedium(2, "ZBRASS",2, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2047 AliMedium(3, "ZSIO2", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2048 AliMedium(4, "ZQUAR", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2049 AliMedium(5, "ZLEAD", 5, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2050 AliMedium(6, "ZCOPP", 6, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2051 AliMedium(7, "ZIRON", 7, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2052 AliMedium(8, "ZIRONN",8, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2053 AliMedium(9, "ZCOPL", 6, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2054 AliMedium(10,"ZVOID",10, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2055 AliMedium(11,"ZVOIM",11, isvol, ifield, fieldm, tmaxfdv, stemax, deemax, epsil, stmin);
2056 AliMedium(12,"ZAIR", 12, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2057 AliMedium(13,"ZTANT",13, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2058 AliMedium(14, "ZIRONT", 7, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2062 //_____________________________________________________________________________
2063 void AliZDCv3::AddAlignableVolumes() const
2066 // Create entries for alignable volumes associating the symbolic volume
2067 // name with the corresponding volume path. Needs to be syncronized with
2068 // eventual changes in the geometry.
2070 TString volpath1 = "ALIC_1/ZDCC_1/ZNEU_1";
2071 TString volpath2 = "ALIC_1/ZDCC_1/ZPRO_1";
2072 TString volpath3 = "ALIC_1/ZDCA_1/ZNEU_2";
2073 TString volpath4 = "ALIC_1/ZDCA_1/ZPRO_2";
2075 TString symname1="ZDC/NeutronZDC_C";
2076 TString symname2="ZDC/ProtonZDC_C";
2077 TString symname3="ZDC/NeutronZDC_A";
2078 TString symname4="ZDC/ProtonZDC_A";
2080 if(!gGeoManager->SetAlignableEntry(symname1.Data(),volpath1.Data()))
2081 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname1.Data(),volpath1.Data()));
2083 if(!gGeoManager->SetAlignableEntry(symname2.Data(),volpath2.Data()))
2084 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname2.Data(),volpath2.Data()));
2086 if(!gGeoManager->SetAlignableEntry(symname3.Data(),volpath3.Data()))
2087 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname1.Data(),volpath1.Data()));
2089 if(!gGeoManager->SetAlignableEntry(symname4.Data(),volpath4.Data()))
2090 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname2.Data(),volpath2.Data()));
2095 //_____________________________________________________________________________
2096 void AliZDCv3::Init()
2099 Int_t *idtmed = fIdtmed->GetArray();
2101 fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material
2102 fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material
2103 fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1
2104 fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2
2105 fMedSensZEM = idtmed[5]; // Sensitive volume: ZEM passive material
2106 fMedSensTDI = idtmed[6]; // Sensitive volume: TDI Cu shield
2107 fMedSensPI = idtmed[7]; // Sensitive volume: beam pipes
2108 fMedSensLumi = idtmed[9]; // Sensitive volume: luminometer
2109 fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves
2110 fMedSensVColl = idtmed[13]; // Sensitive volume: collimator jaws
2113 //_____________________________________________________________________________
2114 void AliZDCv3::InitTables()
2117 // Read light tables for Cerenkov light production parameterization
2123 // --- Reading light tables for ZN
2124 char *lightfName1 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362207s");
2125 FILE *fp1 = fopen(lightfName1,"r");
2127 printf("Cannot open file fp1 \n");
2131 for(k=0; k<fNalfan; k++){
2132 for(j=0; j<fNben; j++){
2133 read = fscanf(fp1,"%f",&fTablen[0][k][j]);
2134 if(read==0) AliDebug(3, " Error in reading light table 1");
2139 char *lightfName2 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362208s");
2140 FILE *fp2 = fopen(lightfName2,"r");
2142 printf("Cannot open file fp2 \n");
2146 for(k=0; k<fNalfan; k++){
2147 for(j=0; j<fNben; j++){
2148 read = fscanf(fp2,"%f",&fTablen[1][k][j]);
2149 if(read==0) AliDebug(3, " Error in reading light table 2");
2154 char *lightfName3 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362209s");
2155 FILE *fp3 = fopen(lightfName3,"r");
2157 printf("Cannot open file fp3 \n");
2161 for(k=0; k<fNalfan; k++){
2162 for(j=0; j<fNben; j++){
2163 read = fscanf(fp3,"%f",&fTablen[2][k][j]);
2164 if(read==0) AliDebug(3, " Error in reading light table 3");
2169 char *lightfName4 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362210s");
2170 FILE *fp4 = fopen(lightfName4,"r");
2172 printf("Cannot open file fp4 \n");
2176 for(k=0; k<fNalfan; k++){
2177 for(j=0; j<fNben; j++){
2178 read = fscanf(fp4,"%f",&fTablen[3][k][j]);
2179 if(read==0) AliDebug(3, " Error in reading light table 4");
2185 // --- Reading light tables for ZP and ZEM
2186 char *lightfName5 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552207s");
2187 FILE *fp5 = fopen(lightfName5,"r");
2189 printf("Cannot open file fp5 \n");
2193 for(k=0; k<fNalfap; k++){
2194 for(j=0; j<fNbep; j++){
2195 read = fscanf(fp5,"%f",&fTablep[0][k][j]);
2196 if(read==0) AliDebug(3, " Error in reading light table 5");
2201 char *lightfName6 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552208s");
2202 FILE *fp6 = fopen(lightfName6,"r");
2204 printf("Cannot open file fp6 \n");
2208 for(k=0; k<fNalfap; k++){
2209 for(j=0; j<fNbep; j++){
2210 read = fscanf(fp6,"%f",&fTablep[1][k][j]);
2211 if(read==0) AliDebug(3, " Error in reading light table 6");
2216 char *lightfName7 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552209s");
2217 FILE *fp7 = fopen(lightfName7,"r");
2219 printf("Cannot open file fp7 \n");
2223 for(k=0; k<fNalfap; k++){
2224 for(j=0; j<fNbep; j++){
2225 read = fscanf(fp7,"%f",&fTablep[2][k][j]);
2226 if(read==0) AliDebug(3, " Error in reading light table 7");
2231 char *lightfName8 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552210s");
2232 FILE *fp8 = fopen(lightfName8,"r");
2234 printf("Cannot open file fp8 \n");
2238 for(k=0; k<fNalfap; k++){
2239 for(j=0; j<fNbep; j++){
2240 read = fscanf(fp8,"%f",&fTablep[3][k][j]);
2241 if(read==0) AliDebug(3, " Error in reading light table 8");
2248 //_____________________________________________________________________________
2249 void AliZDCv3::StepManager()
2252 // Routine called at every step in the Zero Degree Calorimeters
2254 Int_t j, vol[2]={0,0}, ibeta=0, ialfa=0, ibe=0, nphe=0;
2255 Float_t hits[13], x[3], xdet[3]={999.,999.,999.}, um[3], ud[3];
2256 Float_t destep=0., be=0., out=0.;
2257 Double_t s[3], p[4];
2260 for(j=0;j<13;j++) hits[j]=-999.;
2262 // --- This part is for no shower developement in beam pipe, TDI, VColl
2263 // If particle interacts with beam pipe, TDI, VColl -> return
2264 if(fNoShower==1 && ((gMC->CurrentMedium() == fMedSensPI) || (gMC->CurrentMedium() == fMedSensTDI) ||
2265 (gMC->CurrentMedium() == fMedSensVColl || (gMC->CurrentMedium() == fMedSensLumi)))){
2267 // If option NoShower is set -> StopTrack
2270 gMC->TrackPosition(s[0],s[1],s[2]);
2271 if(gMC->CurrentMedium() == fMedSensPI){
2272 knamed = gMC->CurrentVolName();
2273 if(!strncmp(knamed,"YMQ",3)){
2274 if(s[2]<0) fpLostITC += 1;
2275 else fpLostITA += 1;
2278 else if(!strncmp(knamed,"YD1",3)){
2279 if(s[2]<0) fpLostD1C += 1;
2280 else fpLostD1A += 1;
2284 else if(gMC->CurrentMedium() == fMedSensTDI){
2285 knamed = gMC->CurrentVolName();
2286 if(!strncmp(knamed,"MD1",3)){
2287 if(s[2]<0) fpLostD1C += 1;
2288 else fpLostD1A += 1;
2291 else if(!strncmp(knamed,"QTD",3)) fpLostTDI += 1;
2293 else if(gMC->CurrentMedium() == fMedSensVColl){
2294 knamed = gMC->CurrentVolName();
2295 if(!strncmp(knamed,"QCVC",4)) fpcVCollC++;
2296 else if(!strncmp(knamed,"QCVA",4)) fpcVCollA++;
2300 //gMC->TrackMomentum(p[0], p[1], p[2], p[3]);
2301 //printf("\t Particle: mass = %1.3f, E = %1.3f GeV, pz = %1.2f GeV -> stopped in volume %s\n",
2302 // gMC->TrackMass(), p[3], p[2], gMC->CurrentVolName());
2305 printf("\n\t **********************************\n");
2306 printf("\t ********** Side C **********\n");
2307 printf("\t # of particles in IT = %d\n",fpLostITC);
2308 printf("\t # of particles in D1 = %d\n",fpLostD1C);
2309 printf("\t # of particles in VColl = %d\n",fpcVCollC);
2310 printf("\t ********** Side A **********\n");
2311 printf("\t # of particles in IT = %d\n",fpLostITA);
2312 printf("\t # of particles in D1 = %d\n",fpLostD1A);
2313 printf("\t # of particles in TDI = %d\n",fpLostTDI);
2314 printf("\t # of particles in VColl = %d\n",fpcVCollA);
2315 printf("\t **********************************\n");
2321 if((gMC->CurrentMedium() == fMedSensZN) || (gMC->CurrentMedium() == fMedSensZP) ||
2322 (gMC->CurrentMedium() == fMedSensGR) || (gMC->CurrentMedium() == fMedSensF1) ||
2323 (gMC->CurrentMedium() == fMedSensF2) || (gMC->CurrentMedium() == fMedSensZEM)){
2326 //Particle coordinates
2327 gMC->TrackPosition(s[0],s[1],s[2]);
2328 for(j=0; j<=2; j++) x[j] = s[j];
2333 // Determine in which ZDC the particle is
2334 knamed = gMC->CurrentVolName();
2335 if(!strncmp(knamed,"ZN",2)){
2336 if(x[2]<0.) vol[0]=1; // ZNC (dimuon side)
2337 else if(x[2]>0.) vol[0]=4; //ZNA
2339 else if(!strncmp(knamed,"ZP",2)){
2340 if(x[2]<0.) vol[0]=2; //ZPC (dimuon side)
2341 else if(x[2]>0.) vol[0]=5; //ZPA
2343 else if(!strncmp(knamed,"ZE",2)) vol[0]=3; //ZEM
2345 // Determine in which quadrant the particle is
2346 if(vol[0]==1){ //Quadrant in ZNC
2347 // Calculating particle coordinates inside ZNC
2348 xdet[0] = x[0]-fPosZNC[0];
2349 xdet[1] = x[1]-fPosZNC[1];
2350 // Calculating quadrant in ZN
2352 if(xdet[1]<=0.) vol[1]=1;
2355 else if(xdet[0]>0.){
2356 if(xdet[1]<=0.) vol[1]=2;
2361 else if(vol[0]==2){ //Quadrant in ZPC
2362 // Calculating particle coordinates inside ZPC
2363 xdet[0] = x[0]-fPosZPC[0];
2364 xdet[1] = x[1]-fPosZPC[1];
2365 if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01;
2366 if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01;
2367 // Calculating tower in ZP
2368 Float_t xqZP = xdet[0]/(fDimZP[0]/2.);
2369 for(int i=1; i<=4; i++){
2370 if(xqZP>=(i-3) && xqZP<(i-2)){
2377 // Quadrant in ZEM: vol[1] = 1 -> particle in 1st ZEM (placed at x = 8.5 cm)
2378 // vol[1] = 2 -> particle in 2nd ZEM (placed at x = -8.5 cm)
2379 else if(vol[0] == 3){
2382 // Particle x-coordinate inside ZEM1
2383 xdet[0] = x[0]-fPosZEM[0];
2387 // Particle x-coordinate inside ZEM2
2388 xdet[0] = x[0]+fPosZEM[0];
2390 xdet[1] = x[1]-fPosZEM[1];
2393 else if(vol[0]==4){ //Quadrant in ZNA
2394 // Calculating particle coordinates inside ZNA
2395 xdet[0] = x[0]-fPosZNA[0];
2396 xdet[1] = x[1]-fPosZNA[1];
2397 // Calculating quadrant in ZNA
2399 if(xdet[1]<=0.) vol[1]=1;
2402 else if(xdet[0]<0.){
2403 if(xdet[1]<=0.) vol[1]=2;
2408 else if(vol[0]==5){ //Quadrant in ZPA
2409 // Calculating particle coordinates inside ZPA
2410 xdet[0] = x[0]-fPosZPA[0];
2411 xdet[1] = x[1]-fPosZPA[1];
2412 if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01;
2413 if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01;
2414 // Calculating tower in ZP
2415 Float_t xqZP = -xdet[0]/(fDimZP[0]/2.);
2416 for(int i=1; i<=4; i++){
2417 if(xqZP>=(i-3) && xqZP<(i-2)){
2423 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
2424 AliError(Form(" WRONG tower for det %d: tow %d with xdet=(%f, %f)\n",
2425 vol[0], vol[1], xdet[0], xdet[1]));
2427 //printf("\t *** det %d vol %d xdet(%f, %f)\n",vol[0], vol[1], xdet[0], xdet[1]);
2430 // Store impact point and kinetic energy of the ENTERING particle
2432 if(gMC->IsTrackEntering()){
2434 gMC->TrackMomentum(p[0],p[1],p[2],p[3]);
2437 // Impact point on ZDC
2438 // X takes into account the LHC x-axis sign
2439 // which is opposite to positive x on detector front face
2440 // for side A detectors (ZNA and ZPA)
2441 if(vol[0]==4 || vol[0]==5){
2453 Int_t curTrackN = gAlice->GetMCApp()->GetCurrentTrackNumber();
2454 TParticle *part = gAlice->GetMCApp()->Particle(curTrackN);
2455 hits[10] = part->GetPdgCode();
2456 //printf("\t PDGCode = %d\n", part->GetPdgCode());
2458 Int_t imo = part->GetFirstMother();
2460 TParticle * pmot = gAlice->GetMCApp()->Particle(imo);
2461 hits[11] = pmot->GetPdgCode();
2465 hits[12] = 1.0e09*gMC->TrackTime(); // in ns!
2466 //printf("\t TrackTime = %f\n", hits[12]);
2468 AddHit(curTrackN, vol, hits);
2473 if(fnDetectedC==1) printf(" ### Particle in ZNC\n\n");
2477 if(fpDetectedC==1) printf(" ### Particle in ZPC\n\n");
2481 if(fnDetectedA==1) printf(" ### Particle in ZNA\n\n");
2485 if(fpDetectedA==1) printf(" ### Particle in ZPA\n\n");
2488 //printf("\t Pc: x %1.2f y %1.2f z %1.2f E %1.2f GeV pz = %1.2f GeV in volume %s\n",
2489 // x[0],x[1],x[3],p[3],p[2],gMC->CurrentVolName());
2496 // Particle energy loss
2497 if(gMC->Edep() != 0){
2498 hits[9] = gMC->Edep();
2501 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2506 // *** Light production in fibres
2507 if((gMC->CurrentMedium() == fMedSensF1) || (gMC->CurrentMedium() == fMedSensF2)){
2509 //Select charged particles
2510 if((destep=gMC->Edep())){
2512 // Particle velocity
2514 gMC->TrackMomentum(p[0],p[1],p[2],p[3]);
2515 Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]);
2516 if(p[3] > 0.00001) beta = ptot/p[3];
2518 if(beta<0.67)return;
2519 else if((beta>=0.67) && (beta<=0.75)) ibeta = 0;
2520 else if((beta>0.75) && (beta<=0.85)) ibeta = 1;
2521 else if((beta>0.85) && (beta<=0.95)) ibeta = 2;
2522 else if(beta>0.95) ibeta = 3;
2524 // Angle between particle trajectory and fibre axis
2525 // 1 -> Momentum directions
2529 gMC->Gmtod(um,ud,2);
2530 // 2 -> Angle < limit angle
2531 Double_t alfar = TMath::ACos(ud[2]);
2532 Double_t alfa = alfar*kRaddeg;
2533 if(alfa>=110.) return;
2535 ialfa = Int_t(1.+alfa/2.);
2537 // Distance between particle trajectory and fibre axis
2538 gMC->TrackPosition(s[0],s[1],s[2]);
2539 for(j=0; j<=2; j++){
2542 gMC->Gmtod(x,xdet,1);
2543 if(TMath::Abs(ud[0])>0.00001){
2544 Float_t dcoeff = ud[1]/ud[0];
2545 be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.));
2548 be = TMath::Abs(ud[0]);
2551 ibe = Int_t(be*1000.+1);
2553 //Looking into the light tables
2554 Float_t charge = gMC->TrackCharge();
2556 if(vol[0]==1 || vol[0]==4) { // (1) ZN fibres
2557 if(ibe>fNben) ibe=fNben;
2558 out = charge*charge*fTablen[ibeta][ialfa][ibe];
2559 nphe = gRandom->Poisson(out);
2561 //if(ibeta==3) printf("\t %f \t %f \t %f\n",alfa, be, out);
2562 //printf("\t ibeta = %d, ialfa = %d, ibe = %d -> nphe = %d\n\n",ibeta,ialfa,ibe,nphe);
2563 if(gMC->CurrentMedium() == fMedSensF1){
2564 hits[7] = nphe; //fLightPMQ
2567 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2571 hits[8] = nphe; //fLightPMC
2573 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2576 else if(vol[0]==2 || vol[0]==5) {// (2) ZP fibres
2577 if(ibe>fNbep) ibe=fNbep;
2578 out = charge*charge*fTablep[ibeta][ialfa][ibe];
2579 nphe = gRandom->Poisson(out);
2580 if(gMC->CurrentMedium() == fMedSensF1){
2581 hits[7] = nphe; //fLightPMQ
2584 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2588 hits[8] = nphe; //fLightPMC
2590 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2593 else if(vol[0]==3) { // (3) ZEM fibres
2594 if(ibe>fNbep) ibe=fNbep;
2595 out = charge*charge*fTablep[ibeta][ialfa][ibe];
2596 gMC->TrackPosition(s[0],s[1],s[2]);
2601 // z-coordinate from ZEM front face
2602 // NB-> fPosZEM[2]+fZEMLength = -1000.+2*10.3 = 979.69 cm
2603 Float_t z = -xalic[2]+fPosZEM[2]+2*fZEMLength-xalic[1];
2604 //z = xalic[2]-fPosZEM[2]-fZEMLength-xalic[1]*(TMath::Tan(45.*kDegrad));
2605 //printf(" fPosZEM[2]+2*fZEMLength = %f", fPosZEM[2]+2*fZEMLength);
2607 // Parametrization for light guide uniformity
2608 // NEW!!! Light guide tilted @ 51 degrees
2609 Float_t guiPar[4]={0.31,-0.0006305,0.01337,0.8895};
2610 Float_t guiEff = guiPar[0]*(guiPar[1]*z*z+guiPar[2]*z+guiPar[3]);
2612 nphe = gRandom->Poisson(out);
2613 //printf(" out*guiEff = %f nphe = %d", out, nphe);
2616 hits[8] = nphe; //fLightPMC (ZEM1)
2618 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2621 hits[7] = nphe; //fLightPMQ (ZEM2)
2624 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);