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
54 //_____________________________________________________________________________
55 AliZDCv3::AliZDCv3() :
84 // Default constructor for Zero Degree Calorimeter
89 //_____________________________________________________________________________
90 AliZDCv3::AliZDCv3(const char *name, const char *title) :
119 // Standard constructor for Zero Degree Calorimeter
122 // Check that DIPO, ABSO, DIPO and SHIL is there (otherwise tracking is wrong!!!)
124 AliModule* pipe=gAlice->GetModule("PIPE");
125 AliModule* abso=gAlice->GetModule("ABSO");
126 AliModule* dipo=gAlice->GetModule("DIPO");
127 AliModule* shil=gAlice->GetModule("SHIL");
128 if((!pipe) || (!abso) || (!dipo) || (!shil)) {
129 Error("Constructor","ZDC needs PIPE, ABSO, DIPO and SHIL!!!\n");
134 for(ip=0; ip<4; ip++){
135 for(kp=0; kp<fNalfap; kp++){
136 for(jp=0; jp<fNbep; jp++){
137 fTablep[ip][kp][jp] = 0;
142 for(in=0; in<4; in++){
143 for(kn=0; kn<fNalfan; kn++){
144 for(jn=0; jn<fNben; jn++){
145 fTablen[in][kn][jn] = 0;
150 // Parameters for hadronic calorimeters geometry
151 // Positions updated after post-installation measurements
160 fPosZNC[2] = -11397.3;
163 fPosZPC[2] = -11389.3;
166 fPosZNA[2] = 11395.8;
169 fPosZPA[2] = 11387.8;
176 // Parameters for EM calorimeter geometry
180 Float_t kDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
181 Float_t kDimZEMAir = 0.001; // scotch
182 Float_t kFibRadZEM = 0.0315; // External fiber radius (including cladding)
183 Int_t kDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
184 Float_t kDimZEM0 = 2*kDivZEM[2]*(kDimZEMPb+kDimZEMAir+kFibRadZEM*(TMath::Sqrt(2.)));
185 fZEMLength = kDimZEM0;
189 //_____________________________________________________________________________
190 void AliZDCv3::CreateGeometry()
193 // Create the geometry for the Zero Degree Calorimeter version 2
194 //* Initialize COMMON block ZDC_CGEOM
201 //_____________________________________________________________________________
202 void AliZDCv3::CreateBeamLine()
205 // Create the beam line elements
208 Double_t zd1, zd2, zCorrDip, zInnTrip, zD1, zD2;
209 Double_t conpar[9], tubpar[3], tubspar[5], boxpar[3];
211 //-- rotation matrices for the legs
212 Int_t irotpipe1, irotpipe2;
213 gMC->Matrix(irotpipe1,90.-1.0027,0.,90.,90.,1.0027,180.);
214 gMC->Matrix(irotpipe2,90.+1.0027,0.,90.,90.,1.0027,0.);
217 Int_t *idtmed = fIdtmed->GetArray();
219 ////////////////////////////////////////////////////////////////
221 // SIDE C - RB26 (dimuon side) //
223 ///////////////////////////////////////////////////////////////
226 // -- Mother of the ZDCs (Vacuum PCON)
238 gMC->Gsvolu("ZDCC", "PCON", idtmed[10], conpar, 9);
239 gMC->Gspos("ZDCC", 1, "ALIC", 0., 0., 0., 0, "ONLY");
242 // -- BEAM PIPE from compensator dipole to the beginning of D1)
245 // From beginning of ZDC volumes to beginning of D1
246 tubpar[2] = (5838.3-zd1)/2.;
247 gMC->Gsvolu("QT01", "TUBE", idtmed[7], tubpar, 3);
248 gMC->Gspos("QT01", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
250 //printf(" QT01 TUBE pipe from z = %1.2f to z= %1.2f (D1 beg.)\n",-zd1,-2*tubpar[2]-zd1);
252 //-- BEAM PIPE from the end of D1 to the beginning of D2)
254 //-- FROM MAGNETIC BEGINNING OF D1 TO MAGNETIC END OF D1
255 //-- Cylindrical pipe (r = 3.47) + conical flare
256 // -> Beginning of D1
261 tubpar[2] = (6909.8-zd1)/2.;
262 gMC->Gsvolu("QT02", "TUBE", idtmed[7], tubpar, 3);
263 gMC->Gspos("QT02", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
265 //printf(" QT02 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
271 tubpar[2] = (7022.8-zd1)/2.;
272 gMC->Gsvolu("QT03", "TUBE", idtmed[7], tubpar, 3);
273 gMC->Gspos("QT03", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
275 //printf(" QT03 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
284 gMC->Gsvolu("QC01", "CONE", idtmed[7], conpar, 5);
285 gMC->Gspos("QC01", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
287 //printf(" QC01 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
289 zd1 += conpar[0] * 2.;
291 // ******************************************************
292 // N.B.-> according to last vacuum layout
293 // private communication by D. Macina, mail 27/1/2009
294 // ******************************************************
295 // 2nd section of VCTCQ+VAMTF+TCTVB+VAMTF+TCLIA+VAMTF+1st part of VCTCP
296 Float_t totLength1 = 160.8 + 78. + 148. + 78. + 148. + 78. + 9.3;
300 tubpar[2] = totLength1/2.;
301 gMC->Gsvolu("QE01", "ELTU", idtmed[7], tubpar, 3);
305 tubpar[2] = totLength1/2.;
306 gMC->Gsvolu("QE02", "ELTU", idtmed[10], tubpar, 3);
307 gMC->Gspos("QE02", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
308 gMC->Gspos("QE02", 1, "QE01", 0., 0., 0., 0, "ONLY");
310 //printf(" QE02 ELTU from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
312 zd1 += tubpar[2] * 2.;
316 conpar[1] = 21.27/2.;
317 conpar[2] = 21.87/2.;
320 gMC->Gsvolu("QC02", "CONE", idtmed[7], conpar, 5);
321 gMC->Gspos("QC02", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
323 //printf(" QC02 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
325 zd1 += conpar[0] * 2.;
327 // 3rd section of VCTCP+VCDWC+VMLGB
328 Float_t totLenght2 = 9.2 + 530.5+40.;
331 tubpar[2] = totLenght2/2.;
332 gMC->Gsvolu("QT04", "TUBE", idtmed[7], tubpar, 3);
333 gMC->Gspos("QT04", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
335 //printf(" QT04 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
337 zd1 += tubpar[2] * 2.;
339 // First part of VCTCD
340 // skewed transition cone from ID=212.7 mm to ID=797 mm
344 conpar[3] = 21.27/2.;
345 conpar[4] = 21.87/2.;
346 gMC->Gsvolu("QC03", "CONE", idtmed[7], conpar, 5);
347 gMC->Gspos("QC03", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
349 //printf(" QC03 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
353 // VCDGB + 1st part of VCTCH
356 tubpar[2] = (5*475.2+97.)/2.;
357 gMC->Gsvolu("QT05", "TUBE", idtmed[7], tubpar, 3);
358 gMC->Gspos("QT05", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
360 printf(" QT05 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
365 // Transition from ID=797 mm to ID=196 mm:
366 // in order to simulate the thin window opened in the transition cone
367 // we divide the transition cone in three cones:
368 // (1) 8 mm thick (2) 3 mm thick (3) the third 8 mm thick
371 conpar[0] = 9.09/2.; // 15 degree
372 conpar[1] = 74.82868/2.;
373 conpar[2] = 76.42868/2.; // thickness 8 mm
375 conpar[4] = 81.3/2.; // thickness 8 mm
376 gMC->Gsvolu("QC04", "CONE", idtmed[7], conpar, 5);
377 gMC->Gspos("QC04", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
379 //printf(" QC04 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
384 conpar[0] = 96.2/2.; // 15 degree
385 conpar[1] = 23.19588/2.;
386 conpar[2] = 23.79588/2.; // thickness 3 mm
387 conpar[3] = 74.82868/2.;
388 conpar[4] = 75.42868/2.; // thickness 3 mm
389 gMC->Gsvolu("QC05", "CONE", idtmed[7], conpar, 5);
390 gMC->Gspos("QC05", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
392 //printf(" QC05 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
397 conpar[0] = 6.71/2.; // 15 degree
399 conpar[2] = 21.2/2.;// thickness 8 mm
400 conpar[3] = 23.19588/2.;
401 conpar[4] = 24.79588/2.;// thickness 8 mm
402 gMC->Gsvolu("QC06", "CONE", idtmed[7], conpar, 5);
403 gMC->Gspos("QC06", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
405 //printf(" QC06 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
413 gMC->Gsvolu("QT06", "TUBE", idtmed[7], tubpar, 3);
414 gMC->Gspos("QT06", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
416 //printf(" QT06 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
425 gMC->Gsvolu("QC07", "CONE", idtmed[7], conpar, 5);
426 gMC->Gspos("QC07", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
428 //printf(" QC07 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
435 gMC->Gsvolu("QT07", "TUBE", idtmed[7], tubpar, 3);
436 gMC->Gspos("QT07", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
438 //printf(" QT07 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
447 gMC->Gsvolu("QC08", "CONE", idtmed[7], conpar, 5);
448 gMC->Gspos("QC08", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
450 printf(" QC08 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
457 gMC->Gsvolu("QT08", "TUBE", idtmed[7], tubpar, 3);
458 gMC->Gspos("QT08", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
460 //printf(" QT08 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
464 // Flange (ID=196 mm)(last part of VMZAR and first part of VCTYB)
468 gMC->Gsvolu("QT09", "TUBE", idtmed[7], tubpar, 3);
469 gMC->Gspos("QT09", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
471 //printf(" QT09 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
475 printf(" Beginning of VCTYB volume @ z = %f \n",-zd1);
477 // simulation of the trousers (VCTYB)
481 gMC->Gsvolu("QT10", "TUBE", idtmed[7], tubpar, 3);
482 gMC->Gspos("QT10", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
484 //printf(" QT10 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
488 // transition cone from ID=196. to ID=216.6
489 conpar[0] = 32.55/2.;
490 conpar[1] = 21.66/2.;
491 conpar[2] = 22.06/2.;
494 gMC->Gsvolu("QC09", "CONE", idtmed[7], conpar, 5);
495 gMC->Gspos("QC09", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
497 //printf(" QC09 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
502 tubpar[0] = 21.66/2.;
503 tubpar[1] = 22.06/2.;
505 gMC->Gsvolu("QT11", "TUBE", idtmed[7], tubpar, 3);
506 gMC->Gspos("QT11", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
508 //printf(" QT11 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
512 //printf(" Beginning of recombination chamber @ z = %f \n",-zd1);
514 // --------------------------------------------------------
515 // RECOMBINATION CHAMBER IMPLEMENTED USING TGeo CLASSES!!!!
516 // author: Chiara (August 2008)
517 // --------------------------------------------------------
518 // TRANSFORMATION MATRICES
519 // Combi transformation:
520 Double_t dx = -3.970000;
521 Double_t dy = 0.000000;
524 Double_t thx = 84.989100; Double_t phx = 180.000000;
525 Double_t thy = 90.000000; Double_t phy = 90.000000;
526 Double_t thz = 185.010900; Double_t phz = 0.000000;
527 TGeoRotation *rotMatrix1c = new TGeoRotation("c",thx,phx,thy,phy,thz,phz);
528 // Combi transformation:
532 TGeoCombiTrans *rotMatrix2c = new TGeoCombiTrans("ZDCC_c1", dx,dy,dz,rotMatrix1c);
533 rotMatrix2c->RegisterYourself();
534 // Combi transformation:
539 thx = 95.010900; phx = 180.000000;
540 thy = 90.000000; phy = 90.000000;
541 thz = 180.-5.010900; phz = 0.000000;
542 TGeoRotation *rotMatrix3c = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
543 TGeoCombiTrans *rotMatrix4c = new TGeoCombiTrans("ZDCC_c2", dx,dy,dz,rotMatrix3c);
544 rotMatrix4c->RegisterYourself();
546 // VOLUMES DEFINITION
548 TGeoVolume *pZDCC = gGeoManager->GetVolume("ZDCC");
550 conpar[0] = (90.1-0.95-0.26-0.0085)/2.;
555 new TGeoCone("QCLext", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
557 conpar[0] = (90.1-0.95-0.26-0.0085)/2.;
562 new TGeoCone("QCLint", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
565 TGeoCompositeShape *pOutTrousersC = new TGeoCompositeShape("outTrousersC", "QCLext:ZDCC_c1+QCLext:ZDCC_c2");
568 TGeoMedium *medZDCFe = gGeoManager->GetMedium("ZDC_ZIRON");
569 TGeoVolume *pQCLext = new TGeoVolume("QCLext",pOutTrousersC, medZDCFe);
570 pQCLext->SetLineColor(kGreen);
571 pQCLext->SetVisLeaves(kTRUE);
573 TGeoTranslation *tr1c = new TGeoTranslation(0., 0., (Double_t) -conpar[0]-0.95-zd1);
574 //printf(" Recombination chamber from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-0.95-zd1);
576 pZDCC->AddNode(pQCLext, 1, tr1c);
578 TGeoCompositeShape *pIntTrousersC = new TGeoCompositeShape("intTrousersC", "QCLint:ZDCC_c1+QCLint:ZDCC_c2");
580 TGeoMedium *medZDCvoid = gGeoManager->GetMedium("ZDC_ZVOID");
581 TGeoVolume *pQCLint = new TGeoVolume("QCLint",pIntTrousersC, medZDCvoid);
582 pQCLint->SetLineColor(kTeal);
583 pQCLint->SetVisLeaves(kTRUE);
584 pQCLext->AddNode(pQCLint, 1);
587 Double_t offset = 0.5;
590 // second section : 2 tubes (ID = 54. OD = 58.)
594 gMC->Gsvolu("QT12", "TUBE", idtmed[7], tubpar, 3);
595 gMC->Gspos("QT12", 1, "ZDCC", -15.8/2., 0., -tubpar[2]-zd1, 0, "ONLY");
596 gMC->Gspos("QT12", 2, "ZDCC", 15.8/2., 0., -tubpar[2]-zd1, 0, "ONLY");
598 //printf(" QT12 TUBE from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
602 // transition x2zdc to recombination chamber : skewed cone
603 conpar[0] = (10.-0.2-offset)/2.;
608 gMC->Gsvolu("QC10", "CONE", idtmed[7], conpar, 5);
609 gMC->Gspos("QC10", 1, "ZDCC", -7.9-0.175, 0., -conpar[0]-0.1-zd1, irotpipe1, "ONLY");
610 gMC->Gspos("QC10", 2, "ZDCC", 7.9+0.175, 0., -conpar[0]-0.1-zd1, irotpipe2, "ONLY");
611 //printf(" QC10 CONE from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-0.2-zd1);
613 zd1 += 2.*conpar[0]+0.2;
615 // 2 tubes (ID = 63 mm OD=70 mm)
618 tubpar[2] = 639.8/2.;
619 gMC->Gsvolu("QT13", "TUBE", idtmed[7], tubpar, 3);
620 gMC->Gspos("QT13", 1, "ZDCC", -16.5/2., 0., -tubpar[2]-zd1, 0, "ONLY");
621 gMC->Gspos("QT13", 2, "ZDCC", 16.5/2., 0., -tubpar[2]-zd1, 0, "ONLY");
622 //printf(" QT13 TUBE from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
625 //printf(" END OF SIDE C BEAM PIPE DEFINITION @ z = %f\n",-zd1);
628 // -- Luminometer (Cu box) in front of ZN - side C
632 gMC->Gsvolu("QLUC", "BOX ", idtmed[6], boxpar, 3);
633 gMC->Gspos("QLUC", 1, "ZDCC", 0., 0., fPosZNC[2]+66.+boxpar[2], 0, "ONLY");
634 //printf(" QLUC LUMINOMETER from z = %1.2f to z= %1.2f\n", fPosZNC[2]+66., fPosZNC[2]+66.+2*boxpar[2]);
636 // -- END OF BEAM PIPE VOLUME DEFINITION FOR SIDE C (RB26 SIDE)
637 // ----------------------------------------------------------------
639 ////////////////////////////////////////////////////////////////
643 ///////////////////////////////////////////////////////////////
645 // Rotation Matrices definition
646 Int_t irotpipe3, irotpipe4, irotpipe5;
647 //-- rotation matrices for the tilted cone after the TDI to recenter vacuum chamber
648 gMC->Matrix(irotpipe3,90.-1.8934,0.,90.,90.,1.8934,180.);
649 //-- rotation matrices for the tilted tube before and after the TDI
650 gMC->Matrix(irotpipe4,90.-3.8,0.,90.,90.,3.8,180.);
651 //-- rotation matrix for the tilted cone after the TDI
652 gMC->Matrix(irotpipe5,90.+9.8,0.,90.,90.,9.8,0.);
654 // -- Mother of the ZDCs (Vacuum PCON)
655 zd2 = 1910.22;// zd2 initial value
666 gMC->Gsvolu("ZDCA", "PCON", idtmed[10], conpar, 9);
667 gMC->Gspos("ZDCA", 1, "ALIC", 0., 0., 0., 0, "ONLY");
669 // To avoid overlaps 1 micron are left between certain volumes!
670 Double_t dxNoOverlap = 0.0;
671 //zd2 += dxNoOverlap;
673 // BEAM PIPE from 19.10 m to inner triplet beginning (22.965 m)
676 tubpar[2] = 386.28/2. - dxNoOverlap;
677 gMC->Gsvolu("QA01", "TUBE", idtmed[7], tubpar, 3);
678 gMC->Gspos("QA01", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
680 //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);
684 // -- FIRST SECTION OF THE BEAM PIPE (from beginning of inner triplet to
688 tubpar[2] = 3541.8/2. - dxNoOverlap;
689 gMC->Gsvolu("QA02", "TUBE", idtmed[7], tubpar, 3);
690 gMC->Gspos("QA02", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
692 //printf(" QA02 TUBE from z = %1.2f to z= %1.2f (D1 begin)\n",zd2,2*tubpar[2]+zd2);
697 // -- SECOND SECTION OF THE BEAM PIPE (from the beginning of D1 to the beginning of D2)
699 // FROM (MAGNETIC) BEGINNING OF D1 TO THE (MAGNETIC) END OF D1 + 126.5 cm
700 // CYLINDRICAL PIPE of diameter increasing from 6.75 cm up to 8.0 cm
701 // from magnetic end :
702 // 1) 80.1 cm still with ID = 6.75 radial beam screen
703 // 2) 2.5 cm conical section from ID = 6.75 to ID = 8.0 cm
704 // 3) 43.9 cm straight section (tube) with ID = 8.0 cm
708 tubpar[2] = (945.0+80.1)/2.;
709 gMC->Gsvolu("QA03", "TUBE", idtmed[7], tubpar, 3);
710 gMC->Gspos("QA03", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
712 //printf(" QA03 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
716 // Transition Cone from ID=67.5 mm to ID=80 mm
722 gMC->Gsvolu("QA04", "CONE", idtmed[7], conpar, 5);
723 gMC->Gspos("QA04", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
724 //printf(" QA04 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
730 tubpar[2] = (43.9+20.+28.5+28.5)/2.;
731 gMC->Gsvolu("QA05", "TUBE", idtmed[7], tubpar, 3);
732 gMC->Gspos("QA05", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
734 //printf(" QA05 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
738 // Second section of VAEHI (transition cone from ID=80mm to ID=98mm)
744 gMC->Gsvolu("QAV1", "CONE", idtmed[7], conpar, 5);
745 gMC->Gspos("QAV1", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
746 //printf(" QAV1 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
750 //Third section of VAEHI (transition cone from ID=98mm to ID=90mm)
756 gMC->Gsvolu("QAV2", "CONE", idtmed[7], conpar, 5);
757 gMC->Gspos("QAV2", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
758 //printf(" QAV2 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
762 // Fourth section of VAEHI (tube ID=90mm)
766 gMC->Gsvolu("QAV3", "TUBE", idtmed[7], tubpar, 3);
767 gMC->Gspos("QAV3", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
769 //printf(" QAV3 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
773 //---------------------------- TCDD beginning ----------------------------------
774 // space for the insertion of the collimator TCDD (2 m)
775 // TCDD ZONE - 1st volume
781 gMC->Gsvolu("Q01T", "CONE", idtmed[7], conpar, 5);
782 gMC->Gspos("Q01T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
783 //printf(" Q01T CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
787 // TCDD ZONE - 2nd volume
791 gMC->Gsvolu("Q02T", "TUBE", idtmed[7], tubpar, 3);
792 gMC->Gspos("Q02T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
794 //printf(" Q02T TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
798 // TCDD ZONE - third volume
804 gMC->Gsvolu("Q03T", "CONE", idtmed[7], conpar, 5);
805 gMC->Gspos("Q03T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
806 //printf(" Q03T CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
810 // TCDD ZONE - 4th volume
814 gMC->Gsvolu("Q04T", "TUBE", idtmed[7], tubpar, 3);
815 gMC->Gspos("Q04T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
817 //printf(" Q04T TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
821 // TCDD ZONE - 5th volume
824 tubpar[2] = 100.12/2.;
825 gMC->Gsvolu("Q05T", "TUBE", idtmed[7], tubpar, 3);
826 gMC->Gspos("Q05T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
828 //printf(" Q05T TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
832 // TCDD ZONE - 6th volume
836 gMC->Gsvolu("Q06T", "TUBE", idtmed[7], tubpar, 3);
837 gMC->Gspos("Q06T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
839 //printf(" Q06T TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
843 // TCDD ZONE - 7th volume
844 conpar[0] = 11.34/2.;
849 gMC->Gsvolu("Q07T", "CONE", idtmed[7], conpar, 5);
850 gMC->Gspos("Q07T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
851 //printf(" Q07T CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
855 // Upper section : one single phi segment of a tube
856 // 5 parameters for tubs: inner radius = 0.,
857 // outer radius = 7. cm, half length = 50 cm
858 // phi1 = 0., phi2 = 180.
860 tubspar[1] = 14.0/2.;
861 tubspar[2] = 100.0/2.;
864 gMC->Gsvolu("Q08T", "TUBS", idtmed[7], tubspar, 5);
866 //printf(" upper part : one single phi segment of a tube (Q08T)\n");
868 // rectangular beam pipe inside TCDD upper section (Vacuum)
872 gMC->Gsvolu("Q09T", "BOX ", idtmed[10], boxpar, 3);
873 // positioning vacuum box in the upper section of TCDD
874 gMC->Gspos("Q09T", 1, "Q08T", 0., 1.1, 0., 0, "ONLY");
876 // lower section : one single phi segment of a tube
878 tubspar[1] = 14.0/2.;
879 tubspar[2] = 100.0/2.;
882 gMC->Gsvolu("Q10T", "TUBS", idtmed[7], tubspar, 5);
883 // rectangular beam pipe inside TCDD lower section (Vacuum)
887 gMC->Gsvolu("Q11T", "BOX ", idtmed[10], boxpar, 3);
888 // positioning vacuum box in the lower section of TCDD
889 gMC->Gspos("Q11T", 1, "Q10T", 0., -1.1, 0., 0, "ONLY");
891 // positioning TCDD elements in ZDCA, (inside TCDD volume)
892 gMC->Gspos("Q08T", 1, "ZDCA", 0., 2., -100.+zd2, 0, "ONLY");
893 gMC->Gspos("Q10T", 1, "ZDCA", 0., -2., -100.+zd2, 0, "ONLY");
899 gMC->Gsvolu("Q12T", "BOX ", idtmed[7], boxpar, 3);
900 // positioning RF screen at both sides of TCDD
901 gMC->Gspos("Q12T", 1, "ZDCA", tubspar[1]+boxpar[0], 0., -100.+zd2, 0, "ONLY");
902 gMC->Gspos("Q12T", 2, "ZDCA", -tubspar[1]-boxpar[0], 0., -100.+zd2, 0, "ONLY");
903 //---------------------------- TCDD end ---------------------------------------
905 // The following elliptical tube 180 mm x 70 mm
906 // (obtained positioning the void QA09 in QA08)
907 // represents VMTSA (780 mm) + space reserved to the TCTVB (1480 mm)+
908 // VMTSA (780 mm) + first part of VCTCP (93 mm)
912 tubpar[2] = 313.3/2.;
913 gMC->Gsvolu("QA06", "ELTU", idtmed[7], tubpar, 3);
914 //printf(" QA06 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
918 tubpar[2] = 313.3/2.;
919 gMC->Gsvolu("QA07", "ELTU", idtmed[10], tubpar, 3);
920 //printf(" QA07 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
921 gMC->Gspos("QA06", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
922 gMC->Gspos("QA07", 1, "QA06", 0., 0., 0., 0, "ONLY");
926 // VCTCP second part: transition cone from ID=180 to ID=212.7
930 conpar[3] = 21.27/2.;
931 conpar[4] = 21.87/2.;
932 gMC->Gsvolu("QA08", "CONE", idtmed[7], conpar, 5);
933 gMC->Gspos("QA08", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
935 //printf(" QA08 CONE from z = %Third part of VCTCR: tube (ID=196 mm) f to z = %f\n",zd2,2*conpar[0]+zd2);
940 // Represents VCTCP third part (92 mm) + VCDWB (765 mm) + VMBGA (400 mm) +
941 // VCDWE (300 mm) + VMBGA (400 mm)
942 tubpar[0] = 21.27/2.;
943 tubpar[1] = 21.87/2.;
944 tubpar[2] = 195.7/2.;
945 gMC->Gsvolu("QA09", "TUBE", idtmed[7], tubpar, 3);
946 gMC->Gspos("QA09", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
947 //printf(" QA09 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
951 // skewed transition piece (ID=212.7 mm to 332 mm) (before TDI)
952 conpar[0] = (50.0-0.73-1.13)/2.;
953 conpar[1] = 21.27/2.;
954 conpar[2] = 21.87/2.;
957 gMC->Gsvolu("QA10", "CONE", idtmed[7], conpar, 5);
958 gMC->Gspos("QA10", 1, "ZDCA", -1.66, 0., conpar[0]+0.73+zd2, irotpipe4, "ONLY");
960 //printf(" QA10 skewed CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+0.73+1.13+zd2);
962 zd2 += 2.*conpar[0]+0.73+1.13;
964 // Vacuum chamber containing TDI
967 tubpar[2] = 540.0/2.;
968 gMC->Gsvolu("Q13TM", "TUBE", idtmed[10], tubpar, 3);
969 gMC->Gspos("Q13TM", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
972 tubpar[2] = 540.0/2.;
973 gMC->Gsvolu("Q13T", "TUBE", idtmed[7], tubpar, 3);
974 gMC->Gspos("Q13T", 1, "Q13TM", 0., 0., 0., 0, "ONLY");
976 //printf(" Q13T TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
980 //---------------- INSERT TDI INSIDE Q13T -----------------------------------
983 boxpar[2] = 540.0/2.;
984 gMC->Gsvolu("QTD1", "BOX ", idtmed[7], boxpar, 3);
985 gMC->Gspos("QTD1", 1, "Q13TM", -3.8, 10.5, 0., 0, "ONLY");
988 boxpar[2] = 540.0/2.;
989 gMC->Gsvolu("QTD2", "BOX ", idtmed[7], boxpar, 3);
990 gMC->Gspos("QTD2", 1, "Q13TM", -3.8, -10.5, 0., 0, "ONLY");
993 boxpar[2] = 540.0/2.;
994 gMC->Gsvolu("QTD3", "BOX ", idtmed[7], boxpar, 3);
995 gMC->Gspos("QTD3", 1, "Q13TM", -3.8+5.5+boxpar[0], 6.1, 0., 0, "ONLY");
996 gMC->Gspos("QTD3", 2, "Q13TM", -3.8+5.5+boxpar[0], -6.1, 0., 0, "ONLY");
997 gMC->Gspos("QTD3", 3, "Q13TM", -3.8-5.5-boxpar[0], 6.1, 0., 0, "ONLY");
998 gMC->Gspos("QTD3", 4, "Q13TM", -3.8-5.5-boxpar[0], -6.1, 0., 0, "ONLY");
1000 tubspar[0] = 12.0/2.;
1001 tubspar[1] = 12.4/2.;
1002 tubspar[2] = 540.0/2.;
1005 gMC->Gsvolu("QTD4", "TUBS", idtmed[7], tubspar, 5);
1006 gMC->Gspos("QTD4", 1, "Q13TM", -3.8-10.6, 0., 0., 0, "ONLY");
1007 tubspar[0] = 12.0/2.;
1008 tubspar[1] = 12.4/2.;
1009 tubspar[2] = 540.0/2.;
1012 gMC->Gsvolu("QTD5", "TUBS", idtmed[7], tubspar, 5);
1013 gMC->Gspos("QTD5", 1, "Q13TM", -3.8+10.6, 0., 0., 0, "ONLY");
1014 //---------------- END DEFINING TDI INSIDE Q13T -------------------------------
1016 // VCTCG skewed transition piece (ID=332 mm to 212.7 mm) (after TDI)
1017 conpar[0] = (50.0-2.92-1.89)/2.;
1018 conpar[1] = 33.2/2.;
1019 conpar[2] = 33.8/2.;
1020 conpar[3] = 21.27/2.;
1021 conpar[4] = 21.87/2.;
1022 gMC->Gsvolu("QA11", "CONE", idtmed[7], conpar, 5);
1023 gMC->Gspos("QA11", 1, "ZDCA", 4.32-3.8, 0., conpar[0]+2.92+zd2, irotpipe5, "ONLY");
1025 //printf(" QA11 skewed CONE from z = %f to z =%f\n",zd2,2*conpar[0]+2.92+1.89+zd2);
1027 zd2 += 2.*conpar[0]+2.92+1.89;
1029 // The following tube ID 212.7 mm
1030 // represents VMBGA (400 mm) + VCDWE (300 mm) + VMBGA (400 mm) +
1031 // BTVTS (600 mm) + VMLGB (400 mm)
1032 tubpar[0] = 21.27/2.;
1033 tubpar[1] = 21.87/2.;
1034 tubpar[2] = 210.0/2.;
1035 gMC->Gsvolu("QA12", "TUBE", idtmed[7], tubpar, 3);
1036 gMC->Gspos("QA12", 1, "ZDCA", 4., 0., tubpar[2]+zd2, 0, "ONLY");
1038 //printf(" QA12 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1040 zd2 += 2.*tubpar[2];
1042 // First part of VCTCC
1043 // skewed transition cone from ID=212.7 mm to ID=797 mm
1044 conpar[0] = (121.0-0.37-1.35)/2.;
1045 conpar[1] = 21.27/2.;
1046 conpar[2] = 21.87/2.;
1047 conpar[3] = 79.7/2.;
1048 conpar[4] = 81.3/2.;
1049 gMC->Gsvolu("QA13", "CONE", idtmed[7], conpar, 5);
1050 gMC->Gspos("QA13", 1, "ZDCA", 4.-2., 0., conpar[0]+0.37+zd2, irotpipe3, "ONLY");
1052 //printf(" QA13 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+0.37+1.35+zd2);
1054 zd2 += 2.*conpar[0]+0.37+1.35;
1056 // The following tube ID 797 mm --- (volume QA16)
1057 // represents the second part of VCTCC (4272 mm) +
1058 // 4 x VCDGA (4 x 4272 mm) +
1059 // the first part of VCTCR (850 mm)
1060 tubpar[0] = 79.7/2.;
1061 tubpar[1] = 81.3/2.;
1062 tubpar[2] = 2221./2.;
1063 gMC->Gsvolu("QA14", "TUBE", idtmed[7], tubpar, 3);
1064 gMC->Gspos("QA14", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1066 printf(" QA14 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1068 zd2 += 2.*tubpar[2];
1070 // Second part of VCTCR
1071 // Transition from ID=797 mm to ID=196 mm:
1072 // in order to simulate the thin window opened in the transition cone
1073 // we divide the transition cone in three cones:
1074 // (1) 8 mm thick (2) 3 mm thick (3) the third 8 mm thick
1077 conpar[0] = 9.09/2.; // 15 degree
1078 conpar[1] = 79.7/2.;
1079 conpar[2] = 81.3/2.; // thickness 8 mm
1080 conpar[3] = 74.82868/2.;
1081 conpar[4] = 76.42868/2.; // thickness 8 mm
1082 gMC->Gsvolu("QA15", "CONE", idtmed[7], conpar, 5);
1083 gMC->Gspos("QA15", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1084 //printf(" QA15 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1086 zd2 += 2.*conpar[0];
1089 conpar[0] = 96.2/2.; // 15 degree
1090 conpar[1] = 74.82868/2.;
1091 conpar[2] = 75.42868/2.; // thickness 3 mm
1092 conpar[3] = 23.19588/2.;
1093 conpar[4] = 23.79588/2.; // thickness 3 mm
1094 gMC->Gsvolu("QA16", "CONE", idtmed[7], conpar, 5);
1095 gMC->Gspos("QA16", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1096 //printf(" QA16 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1098 zd2 += 2.*conpar[0];
1101 conpar[0] = 6.71/2.; // 15 degree
1102 conpar[1] = 23.19588/2.;
1103 conpar[2] = 24.79588/2.;// thickness 8 mm
1104 conpar[3] = 19.6/2.;
1105 conpar[4] = 21.2/2.;// thickness 8 mm
1106 gMC->Gsvolu("QA17", "CONE", idtmed[7], conpar, 5);
1107 gMC->Gspos("QA17", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1108 //printf(" QA19 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1110 zd2 += 2.*conpar[0];
1112 // Third part of VCTCR: tube (ID=196 mm)
1113 tubpar[0] = 19.6/2.;
1114 tubpar[1] = 21.2/2.;
1115 tubpar[2] = 9.55/2.;
1116 gMC->Gsvolu("QA18", "TUBE", idtmed[7], tubpar, 3);
1117 gMC->Gspos("QA18", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1119 //printf(" QA18 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1121 zd2 += 2.*tubpar[2];
1123 // Flange (ID=196 mm) (last part of VCTCR and first part of VMZAR)
1124 tubpar[0] = 19.6/2.;
1125 tubpar[1] = 25.3/2.;
1127 gMC->Gsvolu("QF01", "TUBE", idtmed[7], tubpar, 3);
1128 gMC->Gspos("QF01", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1130 //printf(" QF01 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1132 zd2 += 2.*tubpar[2];
1134 // VMZAR (5 volumes)
1135 tubpar[0] = 20.2/2.;
1136 tubpar[1] = 20.6/2.;
1137 tubpar[2] = 2.15/2.;
1138 gMC->Gsvolu("QA19", "TUBE", idtmed[7], tubpar, 3);
1139 gMC->Gspos("QA19", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1141 //printf(" QA19 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1143 zd2 += 2.*tubpar[2];
1146 conpar[1] = 20.2/2.;
1147 conpar[2] = 20.6/2.;
1148 conpar[3] = 23.9/2.;
1149 conpar[4] = 24.3/2.;
1150 gMC->Gsvolu("QA20", "CONE", idtmed[7], conpar, 5);
1151 gMC->Gspos("QA20", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1153 //printf(" QA20 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1155 zd2 += 2.*conpar[0];
1157 tubpar[0] = 23.9/2.;
1158 tubpar[1] = 25.5/2.;
1159 tubpar[2] = 17.0/2.;
1160 gMC->Gsvolu("QA21", "TUBE", idtmed[7], tubpar, 3);
1161 gMC->Gspos("QA21", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1163 //printf(" QA21 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1165 zd2 += 2.*tubpar[2];
1168 conpar[1] = 23.9/2.;
1169 conpar[2] = 24.3/2.;
1170 conpar[3] = 20.2/2.;
1171 conpar[4] = 20.6/2.;
1172 gMC->Gsvolu("QA22", "CONE", idtmed[7], conpar, 5);
1173 gMC->Gspos("QA22", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1175 //printf(" QA22 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1177 zd2 += 2.*conpar[0];
1179 tubpar[0] = 20.2/2.;
1180 tubpar[1] = 20.6/2.;
1181 tubpar[2] = 2.15/2.;
1182 gMC->Gsvolu("QA23", "TUBE", idtmed[7], tubpar, 3);
1183 gMC->Gspos("QA23", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1185 //printf(" QA23 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1187 zd2 += 2.*tubpar[2];
1189 // Flange (ID=196 mm)(last part of VMZAR and first part of VCTYD)
1190 tubpar[0] = 19.6/2.;
1191 tubpar[1] = 25.3/2.;
1193 gMC->Gsvolu("QF02", "TUBE", idtmed[7], tubpar, 3);
1194 gMC->Gspos("QF02", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1196 //printf(" QF02 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1198 zd2 += 2.*tubpar[2];
1200 // simulation of the trousers (VCTYB)
1201 tubpar[0] = 19.6/2.;
1202 tubpar[1] = 20.0/2.;
1204 gMC->Gsvolu("QA24", "TUBE", idtmed[7], tubpar, 3);
1205 gMC->Gspos("QA24", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1207 //printf(" QA24 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1209 zd2 += 2.*tubpar[2];
1211 // transition cone from ID=196. to ID=216.6
1212 conpar[0] = 32.55/2.;
1213 conpar[1] = 19.6/2.;
1214 conpar[2] = 20.0/2.;
1215 conpar[3] = 21.66/2.;
1216 conpar[4] = 22.06/2.;
1217 gMC->Gsvolu("QA25", "CONE", idtmed[7], conpar, 5);
1218 gMC->Gspos("QA25", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1220 //printf(" QA25 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1222 zd2 += 2.*conpar[0];
1225 tubpar[0] = 21.66/2.;
1226 tubpar[1] = 22.06/2.;
1227 tubpar[2] = 28.6/2.;
1228 gMC->Gsvolu("QA26", "TUBE", idtmed[7], tubpar, 3);
1229 gMC->Gspos("QA26", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1231 //printf(" QA26 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1233 zd2 += 2.*tubpar[2];
1235 // --------------------------------------------------------
1236 // RECOMBINATION CHAMBER IMPLEMENTED USING TGeo CLASSES!!!!
1237 // author: Chiara (June 2008)
1238 // --------------------------------------------------------
1239 // TRANSFORMATION MATRICES
1240 // Combi transformation:
1245 thx = 84.989100; phx = 0.000000;
1246 thy = 90.000000; phy = 90.000000;
1247 thz = 5.010900; phz = 180.000000;
1248 TGeoRotation *rotMatrix1 = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
1249 // Combi transformation:
1253 TGeoCombiTrans *rotMatrix2 = new TGeoCombiTrans("ZDC_c1", dx,dy,dz,rotMatrix1);
1254 rotMatrix2->RegisterYourself();
1255 // Combi transformation:
1260 thx = 95.010900; phx = 0.000000;
1261 thy = 90.000000; phy = 90.000000;
1262 thz = 5.010900; phz = 0.000000;
1263 TGeoRotation *rotMatrix3 = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
1264 TGeoCombiTrans *rotMatrix4 = new TGeoCombiTrans("ZDC_c2", dx,dy,dz,rotMatrix3);
1265 rotMatrix4->RegisterYourself();
1268 // VOLUMES DEFINITION
1270 TGeoVolume *pZDCA = gGeoManager->GetVolume("ZDCA");
1272 conpar[0] = (90.1-0.95-0.26)/2.;
1274 conpar[2] = 21.6/2.;
1277 new TGeoCone("QALext", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
1279 conpar[0] = (90.1-0.95-0.26)/2.;
1281 conpar[2] = 21.2/2.;
1284 new TGeoCone("QALint", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
1287 TGeoCompositeShape *pOutTrousers = new TGeoCompositeShape("outTrousers", "QALext:ZDC_c1+QALext:ZDC_c2");
1290 //TGeoMedium *medZDCFe = gGeoManager->GetMedium("ZDC_ZIRON");
1291 TGeoVolume *pQALext = new TGeoVolume("QALext",pOutTrousers, medZDCFe);
1292 pQALext->SetLineColor(kBlue);
1293 pQALext->SetVisLeaves(kTRUE);
1295 TGeoTranslation *tr1 = new TGeoTranslation(0., 0., (Double_t) conpar[0]+0.95+zd2);
1296 pZDCA->AddNode(pQALext, 1, tr1);
1298 TGeoCompositeShape *pIntTrousers = new TGeoCompositeShape("intTrousers", "QALint:ZDC_c1+QALint:ZDC_c2");
1300 //TGeoMedium *medZDCvoid = gGeoManager->GetMedium("ZDC_ZVOID");
1301 TGeoVolume *pQALint = new TGeoVolume("QALint",pIntTrousers, medZDCvoid);
1302 pQALint->SetLineColor(kAzure);
1303 pQALint->SetVisLeaves(kTRUE);
1304 pQALext->AddNode(pQALint, 1);
1308 // second section : 2 tubes (ID = 54. OD = 58.)
1311 tubpar[2] = 40.0/2.;
1312 gMC->Gsvolu("QA27", "TUBE", idtmed[7], tubpar, 3);
1313 gMC->Gspos("QA27", 1, "ZDCA", -15.8/2., 0., tubpar[2]+zd2, 0, "ONLY");
1314 gMC->Gspos("QA27", 2, "ZDCA", 15.8/2., 0., tubpar[2]+zd2, 0, "ONLY");
1316 //printf(" QA27 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1318 zd2 += 2.*tubpar[2];
1320 // transition x2zdc to recombination chamber : skewed cone
1321 conpar[0] = (10.-1.)/2.;
1326 gMC->Gsvolu("QA28", "CONE", idtmed[7], conpar, 5);
1327 gMC->Gspos("QA28", 1, "ZDCA", -7.9-0.175, 0., conpar[0]+0.5+zd2, irotpipe1, "ONLY");
1328 gMC->Gspos("QA28", 2, "ZDCA", 7.9+0.175, 0., conpar[0]+0.5+zd2, irotpipe2, "ONLY");
1329 //printf(" QA28 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+0.2+zd2);
1331 zd2 += 2.*conpar[0]+1.;
1333 // 2 tubes (ID = 63 mm OD=70 mm)
1336 tubpar[2] = (342.5+498.3)/2.;
1337 gMC->Gsvolu("QA29", "TUBE", idtmed[7], tubpar, 3);
1338 gMC->Gspos("QA29", 1, "ZDCA", -16.5/2., 0., tubpar[2]+zd2, 0, "ONLY");
1339 gMC->Gspos("QA29", 2, "ZDCA", 16.5/2., 0., tubpar[2]+zd2, 0, "ONLY");
1340 //printf(" QA29 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1342 zd2 += 2.*tubpar[2];
1344 // -- Luminometer (Cu box) in front of ZN - side A
1348 gMC->Gsvolu("QLUA", "BOX ", idtmed[6], boxpar, 3);
1349 gMC->Gspos("QLUA", 1, "ZDCA", 0., 0., fPosZNA[2]-66.-boxpar[2], 0, "ONLY");
1350 //printf(" QLUA LUMINOMETER from z = %1.2f to z= %1.2f\n\n", fPosZNA[2]-66., fPosZNA[2]-66.-2*boxpar[2]);
1352 //printf(" END OF BEAM PIPE VOLUME DEFINITION AT z = %f\n",zd2);
1355 // ----------------------------------------------------------------
1356 // -- MAGNET DEFINITION -> LHC OPTICS 6.5
1357 // ----------------------------------------------------------------
1358 // ***************************************************************
1359 // SIDE C - RB26 (dimuon side)
1360 // ***************************************************************
1361 // -- COMPENSATOR DIPOLE (MBXW)
1364 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1367 tubpar[2] = 153./2.;
1368 gMC->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3);
1373 tubpar[2] = 153./2.;
1374 gMC->Gsvolu("YMBX", "TUBE", idtmed[7], tubpar, 3);
1376 gMC->Gspos("MBXW", 1, "ZDCC", 0., 0., -tubpar[2]-zCorrDip, 0, "ONLY");
1377 gMC->Gspos("YMBX", 1, "ZDCC", 0., 0., -tubpar[2]-zCorrDip, 0, "ONLY");
1383 // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT
1385 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1388 tubpar[2] = 637./2.;
1389 gMC->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3);
1394 tubpar[2] = 637./2.;
1395 gMC->Gsvolu("YMQL", "TUBE", idtmed[7], tubpar, 3);
1397 gMC->Gspos("MQXL", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip, 0, "ONLY");
1398 gMC->Gspos("YMQL", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip, 0, "ONLY");
1400 gMC->Gspos("MQXL", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-2400., 0, "ONLY");
1401 gMC->Gspos("YMQL", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-2400., 0, "ONLY");
1404 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1407 tubpar[2] = 550./2.;
1408 gMC->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3);
1413 tubpar[2] = 550./2.;
1414 gMC->Gsvolu("YMQ ", "TUBE", idtmed[7], tubpar, 3);
1416 gMC->Gspos("MQX ", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-908.5, 0, "ONLY");
1417 gMC->Gspos("YMQ ", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-908.5, 0, "ONLY");
1419 gMC->Gspos("MQX ", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-1558.5, 0, "ONLY");
1420 gMC->Gspos("YMQ ", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-1558.5, 0, "ONLY");
1422 // -- SEPARATOR DIPOLE D1
1425 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1428 tubpar[2] = 945./2.;
1429 gMC->Gsvolu("MD1 ", "TUBE", idtmed[11], tubpar, 3);
1431 // -- Insert horizontal Cu plates inside D1
1432 // -- (to simulate the vacuum chamber)
1433 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.98+0.2)*(2.98+0.2)) - 0.05;
1435 boxpar[2] = 945./2.;
1436 gMC->Gsvolu("MD1V", "BOX ", idtmed[6], boxpar, 3);
1437 gMC->Gspos("MD1V", 1, "MD1 ", 0., 2.98+boxpar[1], 0., 0, "ONLY");
1438 gMC->Gspos("MD1V", 2, "MD1 ", 0., -2.98-boxpar[1], 0., 0, "ONLY");
1442 tubpar[1] = 110./2.;
1443 tubpar[2] = 945./2.;
1444 gMC->Gsvolu("YD1 ", "TUBE", idtmed[7], tubpar, 3);
1446 gMC->Gspos("YD1 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD1, 0, "ONLY");
1447 gMC->Gspos("MD1 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD1, 0, "ONLY");
1449 //printf(" MD1 from z = %1.2f to z= %1.2f cm\n",-zD1, -zD1-2*tubpar[2]);
1453 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1456 tubpar[2] = 945./2.;
1457 gMC->Gsvolu("MD2 ", "TUBE", idtmed[11], tubpar, 3);
1462 tubpar[2] = 945./2.;
1463 gMC->Gsvolu("YD2 ", "TUBE", idtmed[7], tubpar, 3);
1465 gMC->Gspos("YD2 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD2, 0, "ONLY");
1467 //printf(" YD2 from z = %1.2f to z= %1.2f cm\n",-zD2, -zD2-2*tubpar[2]);
1469 gMC->Gspos("MD2 ", 1, "YD2 ", -9.4, 0., 0., 0, "ONLY");
1470 gMC->Gspos("MD2 ", 2, "YD2 ", 9.4, 0., 0., 0, "ONLY");
1472 // ***************************************************************
1474 // ***************************************************************
1476 // COMPENSATOR DIPOLE (MCBWA) (2nd compensator)
1477 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1480 tubpar[2] = 153./2.;
1481 gMC->Gsvolu("MCBW", "TUBE", idtmed[11], tubpar, 3);
1482 gMC->Gspos("MCBW", 1, "ZDCA", 0., 0., tubpar[2]+zCorrDip, 0, "ONLY");
1487 tubpar[2] = 153./2.;
1488 gMC->Gsvolu("YMCB", "TUBE", idtmed[7], tubpar, 3);
1489 gMC->Gspos("YMCB", 1, "ZDCA", 0., 0., tubpar[2]+zCorrDip, 0, "ONLY");
1492 // -- DEFINE MQX1 AND MQX2 QUADRUPOLE ELEMENT
1494 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1497 tubpar[2] = 637./2.;
1498 gMC->Gsvolu("MQX1", "TUBE", idtmed[11], tubpar, 3);
1499 gMC->Gsvolu("MQX4", "TUBE", idtmed[11], tubpar, 3);
1504 tubpar[2] = 637./2.;
1505 gMC->Gsvolu("YMQ1", "TUBE", idtmed[7], tubpar, 3);
1508 gMC->Gspos("MQX1", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip, 0, "ONLY");
1509 gMC->Gspos("YMQ1", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip, 0, "ONLY");
1511 // -- BEAM SCREEN FOR Q1
1512 tubpar[0] = 4.78/2.;
1513 tubpar[1] = 5.18/2.;
1514 tubpar[2] = 637./2.;
1515 gMC->Gsvolu("QBS1", "TUBE", idtmed[6], tubpar, 3);
1516 gMC->Gspos("QBS1", 1, "MQX1", 0., 0., 0., 0, "ONLY");
1517 // INSERT VERTICAL PLATE INSIDE Q1
1518 boxpar[0] = 0.2/2.0;
1519 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(1.9+0.2)*(1.9+0.2));
1521 gMC->Gsvolu("QBS2", "BOX ", idtmed[6], boxpar, 3);
1522 gMC->Gspos("QBS2", 1, "MQX1", 1.9+boxpar[0], 0., 0., 0, "ONLY");
1523 gMC->Gspos("QBS2", 2, "MQX1", -1.9-boxpar[0], 0., 0., 0, "ONLY");
1526 gMC->Gspos("MQX4", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+2400., 0, "ONLY");
1527 gMC->Gspos("YMQ1", 2, "ZDCA", 0., 0., tubpar[2]+zInnTrip+2400., 0, "ONLY");
1529 // -- BEAM SCREEN FOR Q3
1530 tubpar[0] = 5.79/2.;
1531 tubpar[1] = 6.14/2.;
1532 tubpar[2] = 637./2.;
1533 gMC->Gsvolu("QBS3", "TUBE", idtmed[6], tubpar, 3);
1534 gMC->Gspos("QBS3", 1, "MQX4", 0., 0., 0., 0, "ONLY");
1535 // INSERT VERTICAL PLATE INSIDE Q3
1536 boxpar[0] = 0.2/2.0;
1537 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(2.405+0.2)*(2.405+0.2));
1539 gMC->Gsvolu("QBS4", "BOX ", idtmed[6], boxpar, 3);
1540 gMC->Gspos("QBS4", 1, "MQX4", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1541 gMC->Gspos("QBS4", 2, "MQX4", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1546 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1549 tubpar[2] = 550./2.;
1550 gMC->Gsvolu("MQX2", "TUBE", idtmed[11], tubpar, 3);
1551 gMC->Gsvolu("MQX3", "TUBE", idtmed[11], tubpar, 3);
1556 tubpar[2] = 550./2.;
1557 gMC->Gsvolu("YMQ2", "TUBE", idtmed[7], tubpar, 3);
1559 // -- BEAM SCREEN FOR Q2
1560 tubpar[0] = 5.79/2.;
1561 tubpar[1] = 6.14/2.;
1562 tubpar[2] = 550./2.;
1563 gMC->Gsvolu("QBS5", "TUBE", idtmed[6], tubpar, 3);
1564 // VERTICAL PLATE INSIDE Q2
1565 boxpar[0] = 0.2/2.0;
1566 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(2.405+0.2)*(2.405+0.2));
1568 gMC->Gsvolu("QBS6", "BOX ", idtmed[6], boxpar, 3);
1571 gMC->Gspos("MQX2", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+908.5, 0, "ONLY");
1572 gMC->Gspos("QBS5", 1, "MQX2", 0., 0., 0., 0, "ONLY");
1573 gMC->Gspos("QBS6", 1, "MQX2", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1574 gMC->Gspos("QBS6", 2, "MQX2", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1575 gMC->Gspos("YMQ2", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+908.5, 0, "ONLY");
1579 gMC->Gspos("MQX3", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+1558.5, 0, "ONLY");
1580 gMC->Gspos("QBS5", 2, "MQX3", 0., 0., 0., 0, "ONLY");
1581 gMC->Gspos("QBS6", 3, "MQX3", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1582 gMC->Gspos("QBS6", 4, "MQX3", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1583 gMC->Gspos("YMQ2", 2, "ZDCA", 0., 0., tubpar[2]+zInnTrip+1558.5, 0, "ONLY");
1585 // -- SEPARATOR DIPOLE D1
1586 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1588 tubpar[1] = 6.75/2.;//3.375
1589 tubpar[2] = 945./2.;
1590 gMC->Gsvolu("MD1L", "TUBE", idtmed[11], tubpar, 3);
1592 // -- The beam screen tube is provided by the beam pipe in D1 (QA03 volume)
1593 // -- Insert the beam screen horizontal Cu plates inside D1
1594 // -- (to simulate the vacuum chamber)
1595 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.885+0.2)*(2.885+0.2));
1598 gMC->Gsvolu("QBS7", "BOX ", idtmed[6], boxpar, 3);
1599 gMC->Gspos("QBS7", 1, "MD1L", 0., 2.885+boxpar[1],0., 0, "ONLY");
1600 gMC->Gspos("QBS7", 2, "MD1L", 0., -2.885-boxpar[1],0., 0, "ONLY");
1605 tubpar[2] = 945./2.;
1606 gMC->Gsvolu("YD1L", "TUBE", idtmed[7], tubpar, 3);
1608 gMC->Gspos("YD1L", 1, "ZDCA", 0., 0., tubpar[2]+zD1, 0, "ONLY");
1609 gMC->Gspos("MD1L", 1, "ZDCA", 0., 0., tubpar[2]+zD1, 0, "ONLY");
1612 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1614 tubpar[1] = 7.5/2.; // this has to be checked
1615 tubpar[2] = 945./2.;
1616 gMC->Gsvolu("MD2L", "TUBE", idtmed[11], tubpar, 3);
1621 tubpar[2] = 945./2.;
1622 gMC->Gsvolu("YD2L", "TUBE", idtmed[7], tubpar, 3);
1624 gMC->Gspos("YD2L", 1, "ZDCA", 0., 0., tubpar[2]+zD2, 0, "ONLY");
1626 gMC->Gspos("MD2L", 1, "YD2L", -9.4, 0., 0., 0, "ONLY");
1627 gMC->Gspos("MD2L", 2, "YD2L", 9.4, 0., 0., 0, "ONLY");
1629 // -- END OF MAGNET DEFINITION
1632 //_____________________________________________________________________________
1633 void AliZDCv3::CreateZDC()
1636 // Create the various ZDCs (ZN + ZP)
1639 Float_t dimPb[6], dimVoid[6];
1641 Int_t *idtmed = fIdtmed->GetArray();
1643 // Parameters for hadronic calorimeters geometry
1644 // NB -> parameters used ONLY in CreateZDC()
1645 Float_t fGrvZN[3] = {0.03, 0.03, 50.}; // Grooves for neutron detector
1646 Float_t fGrvZP[3] = {0.04, 0.04, 75.}; // Grooves for proton detector
1647 Int_t fDivZN[3] = {11, 11, 0}; // Division for neutron detector
1648 Int_t fDivZP[3] = {7, 15, 0}; // Division for proton detector
1649 Int_t fTowZN[2] = {2, 2}; // Tower for neutron detector
1650 Int_t fTowZP[2] = {4, 1}; // Tower for proton detector
1652 // Parameters for EM calorimeter geometry
1653 // NB -> parameters used ONLY in CreateZDC()
1654 Float_t kDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
1655 Float_t kFibRadZEM = 0.0315; // External fiber radius (including cladding)
1656 Int_t fDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
1657 Float_t fDimZEM[6] = {fZEMLength, 3.5, 3.5, 45., 0., 0.}; // Dimensions of EM detector
1658 Float_t fFibZEM2 = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-kFibRadZEM;
1659 Float_t fFibZEM[3] = {0., 0.0275, fFibZEM2}; // Fibers for EM calorimeter
1662 //-- Create calorimeters geometry
1664 // -------------------------------------------------------------------------------
1665 //--> Neutron calorimeter (ZN)
1667 gMC->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material
1668 gMC->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material
1669 gMC->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3);
1670 gMC->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3);
1671 gMC->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3);
1672 gMC->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves
1673 gMC->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3);
1674 gMC->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3);
1675 gMC->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3);
1677 // Divide ZNEU in towers (for hits purposes)
1679 gMC->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower
1680 gMC->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower
1682 //-- Divide ZN1 in minitowers
1683 // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS,
1684 // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS
1685 // (4 fibres per minitower)
1687 gMC->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices
1688 gMC->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks
1690 // --- Position the empty grooves in the sticks (4 grooves per stick)
1691 Float_t dx = fDimZN[0] / fDivZN[0] / 4.;
1692 Float_t dy = fDimZN[1] / fDivZN[1] / 4.;
1694 gMC->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY");
1695 gMC->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY");
1696 gMC->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY");
1697 gMC->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY");
1699 // --- Position the fibers in the grooves
1700 gMC->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY");
1701 gMC->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY");
1702 gMC->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY");
1703 gMC->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY");
1705 // --- Position the neutron calorimeter in ZDC
1706 // -- Rotation of ZDCs
1708 gMC->Matrix(irotzdc, 90., 180., 90., 90., 180., 0.);
1710 gMC->Gspos("ZNEU", 1, "ZDCC", fPosZNC[0], fPosZNC[1], fPosZNC[2]-fDimZN[2], irotzdc, "ONLY");
1712 //printf("\n ZN -> %f < z < %f cm\n",fPosZN[2],fPosZN[2]-2*fDimZN[2]);
1714 // --- Position the neutron calorimeter in ZDC2 (left line)
1715 // -- No Rotation of ZDCs
1716 gMC->Gspos("ZNEU", 2, "ZDCA", fPosZNA[0], fPosZNA[1], fPosZNA[2]+fDimZN[2], 0, "ONLY");
1718 //printf("\n ZN left -> %f < z < %f cm\n",fPosZNl[2],fPosZNl[2]+2*fDimZN[2]);
1721 // -------------------------------------------------------------------------------
1722 //--> Proton calorimeter (ZP)
1724 gMC->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material
1725 gMC->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material
1726 gMC->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3);
1727 gMC->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3);
1728 gMC->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3);
1729 gMC->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves
1730 gMC->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3);
1731 gMC->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3);
1732 gMC->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3);
1734 //-- Divide ZPRO in towers(for hits purposes)
1736 gMC->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower
1737 gMC->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower
1740 //-- Divide ZP1 in minitowers
1741 // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER,
1742 // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER
1743 // (4 fiber per minitower)
1745 gMC->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices
1746 gMC->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks
1748 // --- Position the empty grooves in the sticks (4 grooves per stick)
1749 dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.;
1750 dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.;
1752 gMC->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY");
1753 gMC->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY");
1754 gMC->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY");
1755 gMC->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY");
1757 // --- Position the fibers in the grooves
1758 gMC->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY");
1759 gMC->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY");
1760 gMC->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY");
1761 gMC->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY");
1764 // --- Position the proton calorimeter in ZDCC
1765 gMC->Gspos("ZPRO", 1, "ZDCC", fPosZPC[0], fPosZPC[1], fPosZPC[2]-fDimZP[2], irotzdc, "ONLY");
1767 //printf("\n ZP -> %f < z < %f cm\n",fPosZP[2],fPosZP[2]-2*fDimZP[2]);
1769 // --- Position the proton calorimeter in ZDCA
1771 gMC->Gspos("ZPRO", 2, "ZDCA", fPosZPA[0], fPosZPA[1], fPosZPA[2]+fDimZP[2], 0, "ONLY");
1773 //printf("\n ZP left -> %f < z < %f cm\n",fPosZPl[2],fPosZPl[2]+2*fDimZP[2]);
1776 // -------------------------------------------------------------------------------
1777 // -> EM calorimeter (ZEM)
1779 gMC->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6);
1782 gMC->Matrix(irot1,0.,0.,90.,90.,-90.,0.); // Rotation matrix 1
1783 gMC->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]);// Rotation matrix 2
1784 //printf("irot1 = %d, irot2 = %d \n", irot1, irot2);
1786 gMC->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material
1788 gMC->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches
1790 dimPb[0] = kDimZEMPb; // Lead slices
1791 dimPb[1] = fDimZEM[2];
1792 dimPb[2] = fDimZEM[1];
1793 //dimPb[3] = fDimZEM[3]; //controllare
1794 dimPb[3] = 90.-fDimZEM[3]; //originale
1797 gMC->Gsvolu("ZEL0", "PARA", idtmed[5], dimPb, 6);
1798 gMC->Gsvolu("ZEL1", "PARA", idtmed[5], dimPb, 6);
1799 gMC->Gsvolu("ZEL2", "PARA", idtmed[5], dimPb, 6);
1801 // --- Position the lead slices in the tranche
1802 Float_t zTran = fDimZEM[0]/fDivZEM[2];
1803 Float_t zTrPb = -zTran+kDimZEMPb;
1804 gMC->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY");
1805 gMC->Gspos("ZEL1", 1, "ZETR", kDimZEMPb, 0., 0., 0, "ONLY");
1807 // --- Vacuum zone (to be filled with fibres)
1808 dimVoid[0] = (zTran-2*kDimZEMPb)/2.;
1809 dimVoid[1] = fDimZEM[2];
1810 dimVoid[2] = fDimZEM[1];
1811 dimVoid[3] = 90.-fDimZEM[3];
1814 gMC->Gsvolu("ZEV0", "PARA", idtmed[10], dimVoid,6);
1815 gMC->Gsvolu("ZEV1", "PARA", idtmed[10], dimVoid,6);
1817 // --- Divide the vacuum slice into sticks along x axis
1818 gMC->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3);
1819 gMC->Gsdvn("ZES1", "ZEV1", fDivZEM[0], 3);
1821 // --- Positioning the fibers into the sticks
1822 gMC->Gspos("ZEMF", 1,"ZES0", 0., 0., 0., irot2, "ONLY");
1823 gMC->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY");
1825 // --- Positioning the vacuum slice into the tranche
1826 //Float_t displFib = fDimZEM[1]/fDivZEM[0];
1827 gMC->Gspos("ZEV0", 1,"ZETR", -dimVoid[0], 0., 0., 0, "ONLY");
1828 gMC->Gspos("ZEV1", 1,"ZETR", -dimVoid[0]+zTran, 0., 0., 0, "ONLY");
1830 // --- Positioning the ZEM into the ZDC - rotation for 90 degrees
1831 // NB -> ZEM is positioned in ALIC (instead of in ZDC) volume
1832 gMC->Gspos("ZEM ", 1,"ALIC", -fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
1834 // Second EM ZDC (same side w.r.t. IP, just on the other side w.r.t. beam pipe)
1835 gMC->Gspos("ZEM ", 2,"ALIC", fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
1837 // --- Adding last slice at the end of the EM calorimeter
1838 Float_t zLastSlice = fPosZEM[2]+kDimZEMPb+2*fDimZEM[0];
1839 gMC->Gspos("ZEL2", 1,"ALIC", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY");
1841 //printf("\n ZEM lenght = %f cm\n",2*fZEMLength);
1842 //printf("\n ZEM -> %f < z < %f cm\n",fPosZEM[2],fPosZEM[2]+2*fZEMLength+zLastSlice+kDimZEMPb);
1846 //_____________________________________________________________________________
1847 void AliZDCv3::DrawModule() const
1850 // Draw a shaded view of the Zero Degree Calorimeter version 1
1853 // Set everything unseen
1854 gMC->Gsatt("*", "seen", -1);
1856 // Set ALIC mother transparent
1857 gMC->Gsatt("ALIC","SEEN",0);
1859 // Set the volumes visible
1860 gMC->Gsatt("ZDCC","SEEN",0);
1861 gMC->Gsatt("QT01","SEEN",1);
1862 gMC->Gsatt("QT02","SEEN",1);
1863 gMC->Gsatt("QT03","SEEN",1);
1864 gMC->Gsatt("QT04","SEEN",1);
1865 gMC->Gsatt("QT05","SEEN",1);
1866 gMC->Gsatt("QT06","SEEN",1);
1867 gMC->Gsatt("QT07","SEEN",1);
1868 gMC->Gsatt("QT08","SEEN",1);
1869 gMC->Gsatt("QT09","SEEN",1);
1870 gMC->Gsatt("QT10","SEEN",1);
1871 gMC->Gsatt("QT11","SEEN",1);
1872 gMC->Gsatt("QT12","SEEN",1);
1873 gMC->Gsatt("QT13","SEEN",1);
1874 gMC->Gsatt("QC01","SEEN",1);
1875 gMC->Gsatt("QC02","SEEN",1);
1876 gMC->Gsatt("QC03","SEEN",1);
1877 gMC->Gsatt("QC04","SEEN",1);
1878 gMC->Gsatt("QC05","SEEN",1);
1879 gMC->Gsatt("QC06","SEEN",1);
1880 gMC->Gsatt("QC07","SEEN",1);
1881 gMC->Gsatt("QC08","SEEN",1);
1882 gMC->Gsatt("QC09","SEEN",1);
1883 gMC->Gsatt("QC10","SEEN",1);
1884 gMC->Gsatt("MQXL","SEEN",1);
1885 gMC->Gsatt("YMQL","SEEN",1);
1886 gMC->Gsatt("MQX ","SEEN",1);
1887 gMC->Gsatt("YMQ ","SEEN",1);
1888 gMC->Gsatt("ZQYX","SEEN",1);
1889 gMC->Gsatt("MD1 ","SEEN",1);
1890 gMC->Gsatt("MD1V","SEEN",1);
1891 gMC->Gsatt("YD1 ","SEEN",1);
1892 gMC->Gsatt("MD2 ","SEEN",1);
1893 gMC->Gsatt("YD2 ","SEEN",1);
1894 gMC->Gsatt("ZNEU","SEEN",0);
1895 gMC->Gsatt("ZNF1","SEEN",0);
1896 gMC->Gsatt("ZNF2","SEEN",0);
1897 gMC->Gsatt("ZNF3","SEEN",0);
1898 gMC->Gsatt("ZNF4","SEEN",0);
1899 gMC->Gsatt("ZNG1","SEEN",0);
1900 gMC->Gsatt("ZNG2","SEEN",0);
1901 gMC->Gsatt("ZNG3","SEEN",0);
1902 gMC->Gsatt("ZNG4","SEEN",0);
1903 gMC->Gsatt("ZNTX","SEEN",0);
1904 gMC->Gsatt("ZN1 ","COLO",4);
1905 gMC->Gsatt("ZN1 ","SEEN",1);
1906 gMC->Gsatt("ZNSL","SEEN",0);
1907 gMC->Gsatt("ZNST","SEEN",0);
1908 gMC->Gsatt("ZPRO","SEEN",0);
1909 gMC->Gsatt("ZPF1","SEEN",0);
1910 gMC->Gsatt("ZPF2","SEEN",0);
1911 gMC->Gsatt("ZPF3","SEEN",0);
1912 gMC->Gsatt("ZPF4","SEEN",0);
1913 gMC->Gsatt("ZPG1","SEEN",0);
1914 gMC->Gsatt("ZPG2","SEEN",0);
1915 gMC->Gsatt("ZPG3","SEEN",0);
1916 gMC->Gsatt("ZPG4","SEEN",0);
1917 gMC->Gsatt("ZPTX","SEEN",0);
1918 gMC->Gsatt("ZP1 ","COLO",6);
1919 gMC->Gsatt("ZP1 ","SEEN",1);
1920 gMC->Gsatt("ZPSL","SEEN",0);
1921 gMC->Gsatt("ZPST","SEEN",0);
1922 gMC->Gsatt("ZEM ","COLO",7);
1923 gMC->Gsatt("ZEM ","SEEN",1);
1924 gMC->Gsatt("ZEMF","SEEN",0);
1925 gMC->Gsatt("ZETR","SEEN",0);
1926 gMC->Gsatt("ZEL0","SEEN",0);
1927 gMC->Gsatt("ZEL1","SEEN",0);
1928 gMC->Gsatt("ZEL2","SEEN",0);
1929 gMC->Gsatt("ZEV0","SEEN",0);
1930 gMC->Gsatt("ZEV1","SEEN",0);
1931 gMC->Gsatt("ZES0","SEEN",0);
1932 gMC->Gsatt("ZES1","SEEN",0);
1934 gMC->Gdopt("hide", "on");
1935 gMC->Gdopt("shad", "on");
1936 gMC->Gsatt("*", "fill", 7);
1937 gMC->SetClipBox(".");
1938 gMC->SetClipBox("*", 0, 100, -100, 100, 12000, 16000);
1939 gMC->DefaultRange();
1940 gMC->Gdraw("alic", 40, 30, 0, 488, 220, .07, .07);
1941 gMC->Gdhead(1111, "Zero Degree Calorimeter Version 3");
1942 gMC->Gdman(18, 4, "MAN");
1945 //_____________________________________________________________________________
1946 void AliZDCv3::CreateMaterials()
1949 // Create Materials for the Zero Degree Calorimeter
1951 Float_t dens, ubuf[1], wmat[3], a[3], z[3];
1953 // --- W alloy -> ZN passive material
1964 AliMixture(1, "WALL", a, z, dens, 3, wmat);
1966 // --- Brass (CuZn) -> ZP passive material
1974 AliMixture(2, "BRASS", a, z, dens, 2, wmat);
1984 AliMixture(3, "SIO2", a, z, dens, -2, wmat);
1988 AliMaterial(5, "LEAD", 207.19, 82., 11.35, .56, 18.5, ubuf, 1);
1990 // --- Copper (energy loss taken into account)
1992 AliMaterial(6, "COPP0", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
1994 // --- Iron (energy loss taken into account)
1996 AliMaterial(7, "IRON0", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
1998 // --- Iron (no energy loss)
2000 AliMaterial(8, "IRON1", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
2002 // ---------------------------------------------------------
2003 Float_t aResGas[3]={1.008,12.0107,15.9994};
2004 Float_t zResGas[3]={1.,6.,8.};
2005 Float_t wResGas[3]={0.28,0.28,0.44};
2006 Float_t dResGas = 3.2E-14;
2008 // --- Vacuum (no magnetic field)
2009 AliMixture(10, "VOID", aResGas, zResGas, dResGas, 3, wResGas);
2011 // --- Vacuum (with magnetic field)
2012 AliMixture(11, "VOIM", aResGas, zResGas, dResGas, 3, wResGas);
2014 // --- Air (no magnetic field)
2015 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
2016 Float_t zAir[4]={6.,7.,8.,18.};
2017 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
2018 Float_t dAir = 1.20479E-3;
2020 AliMixture(12, "Air $", aAir, zAir, dAir, 4, wAir);
2022 // --- Definition of tracking media:
2024 // --- Tantalum = 1 ;
2026 // --- Fibers (SiO2) = 3 ;
2027 // --- Fibers (SiO2) = 4 ;
2029 // --- Copper (with energy loss)= 6 ;
2030 // --- Copper (with energy loss)= 13 ;
2031 // --- Iron (with energy loss) = 7 ;
2032 // --- Iron (without energy loss) = 8 ;
2033 // --- Vacuum (no field) = 10
2034 // --- Vacuum (with field) = 11
2035 // --- Air (no field) = 12
2037 // ****************************************************
2038 // Tracking media parameters
2040 Float_t epsil = 0.01; // Tracking precision,
2041 Float_t stmin = 0.01; // Min. value 4 max. step (cm)
2042 Float_t stemax = 1.; // Max. step permitted (cm)
2043 Float_t tmaxfd = 0.; // Maximum angle due to field (degrees)
2044 Float_t deemax = -1.; // Maximum fractional energy loss
2045 Float_t nofieldm = 0.; // Max. field value (no field)
2046 Float_t fieldm = 45.; // Max. field value (with field)
2047 Int_t isvol = 0; // ISVOL =0 -> not sensitive volume
2048 Int_t isvolActive = 1; // ISVOL =1 -> sensitive volume
2049 Int_t inofld = 0; // IFIELD=0 -> no magnetic field
2050 Int_t ifield =2; // IFIELD=2 -> magnetic field defined in AliMagFC.h
2051 // *****************************************************
2053 AliMedium(1, "ZTANT", 1, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2054 AliMedium(2, "ZBRASS",2, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2055 AliMedium(3, "ZSIO2", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2056 AliMedium(4, "ZQUAR", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2057 AliMedium(5, "ZLEAD", 5, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2058 AliMedium(6, "ZCOPP", 6, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2059 AliMedium(7, "ZIRON", 7, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2060 AliMedium(8, "ZIRONN",8, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2061 AliMedium(10,"ZVOID",10, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2062 AliMedium(12,"ZAIR", 12, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2064 AliMedium(11,"ZVOIM",11, isvol, ifield, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
2069 //_____________________________________________________________________________
2070 void AliZDCv3::AddAlignableVolumes() const
2073 // Create entries for alignable volumes associating the symbolic volume
2074 // name with the corresponding volume path. Needs to be syncronized with
2075 // eventual changes in the geometry.
2077 TString volpath1 = "ALIC_1/ZDCC_1/ZNEU_1";
2078 TString volpath2 = "ALIC_1/ZDCC_1/ZPRO_1";
2079 TString volpath3 = "ALIC_1/ZDCA_1/ZNEU_2";
2080 TString volpath4 = "ALIC_1/ZDCA_1/ZPRO_2";
2082 TString symname1="ZDC/NeutronZDC_C";
2083 TString symname2="ZDC/ProtonZDC_C";
2084 TString symname3="ZDC/NeutronZDC_A";
2085 TString symname4="ZDC/ProtonZDC_A";
2087 if(!gGeoManager->SetAlignableEntry(symname1.Data(),volpath1.Data()))
2088 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname1.Data(),volpath1.Data()));
2090 if(!gGeoManager->SetAlignableEntry(symname2.Data(),volpath2.Data()))
2091 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname2.Data(),volpath2.Data()));
2093 if(!gGeoManager->SetAlignableEntry(symname3.Data(),volpath3.Data()))
2094 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname1.Data(),volpath1.Data()));
2096 if(!gGeoManager->SetAlignableEntry(symname4.Data(),volpath4.Data()))
2097 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname2.Data(),volpath2.Data()));
2102 //_____________________________________________________________________________
2103 void AliZDCv3::Init()
2106 Int_t *idtmed = fIdtmed->GetArray();
2108 // Thresholds for showering in the ZDCs
2110 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
2111 gMC->Gstpar(idtmed[i], "CUTELE", .001);
2112 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
2113 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
2115 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
2116 gMC->Gstpar(idtmed[i], "CUTELE", .001);
2117 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
2118 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
2120 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
2121 gMC->Gstpar(idtmed[i], "CUTELE", .001);
2122 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
2123 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
2125 // Avoid too detailed showering in TDI
2127 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
2128 gMC->Gstpar(idtmed[i], "CUTELE", .1);
2129 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
2130 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
2132 // Avoid too detailed showering along the beam line
2133 i = 7; //iron with energy loss (ZIRON)
2134 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
2135 gMC->Gstpar(idtmed[i], "CUTELE", .1);
2136 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
2137 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
2139 // Avoid too detailed showering along the beam line
2140 i = 8; //iron with energy loss (ZIRONN)
2141 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
2142 gMC->Gstpar(idtmed[i], "CUTELE", .1);
2143 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
2144 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
2146 // Avoid interaction in fibers (only energy loss allowed)
2147 i = 3; //fibers (ZSI02)
2148 gMC->Gstpar(idtmed[i], "DCAY", 0.);
2149 gMC->Gstpar(idtmed[i], "MULS", 0.);
2150 gMC->Gstpar(idtmed[i], "PFIS", 0.);
2151 gMC->Gstpar(idtmed[i], "MUNU", 0.);
2152 gMC->Gstpar(idtmed[i], "LOSS", 1.);
2153 gMC->Gstpar(idtmed[i], "PHOT", 0.);
2154 gMC->Gstpar(idtmed[i], "COMP", 0.);
2155 gMC->Gstpar(idtmed[i], "PAIR", 0.);
2156 gMC->Gstpar(idtmed[i], "BREM", 0.);
2157 gMC->Gstpar(idtmed[i], "DRAY", 0.);
2158 gMC->Gstpar(idtmed[i], "ANNI", 0.);
2159 gMC->Gstpar(idtmed[i], "HADR", 0.);
2160 i = 4; //fibers (ZQUAR)
2161 gMC->Gstpar(idtmed[i], "DCAY", 0.);
2162 gMC->Gstpar(idtmed[i], "MULS", 0.);
2163 gMC->Gstpar(idtmed[i], "PFIS", 0.);
2164 gMC->Gstpar(idtmed[i], "MUNU", 0.);
2165 gMC->Gstpar(idtmed[i], "LOSS", 1.);
2166 gMC->Gstpar(idtmed[i], "PHOT", 0.);
2167 gMC->Gstpar(idtmed[i], "COMP", 0.);
2168 gMC->Gstpar(idtmed[i], "PAIR", 0.);
2169 gMC->Gstpar(idtmed[i], "BREM", 0.);
2170 gMC->Gstpar(idtmed[i], "DRAY", 0.);
2171 gMC->Gstpar(idtmed[i], "ANNI", 0.);
2172 gMC->Gstpar(idtmed[i], "HADR", 0.);
2174 // Avoid interaction in void
2175 i = 11; //void with field
2176 gMC->Gstpar(idtmed[i], "DCAY", 0.);
2177 gMC->Gstpar(idtmed[i], "MULS", 0.);
2178 gMC->Gstpar(idtmed[i], "PFIS", 0.);
2179 gMC->Gstpar(idtmed[i], "MUNU", 0.);
2180 gMC->Gstpar(idtmed[i], "LOSS", 0.);
2181 gMC->Gstpar(idtmed[i], "PHOT", 0.);
2182 gMC->Gstpar(idtmed[i], "COMP", 0.);
2183 gMC->Gstpar(idtmed[i], "PAIR", 0.);
2184 gMC->Gstpar(idtmed[i], "BREM", 0.);
2185 gMC->Gstpar(idtmed[i], "DRAY", 0.);
2186 gMC->Gstpar(idtmed[i], "ANNI", 0.);
2187 gMC->Gstpar(idtmed[i], "HADR", 0.);
2190 fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material
2191 fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material
2192 fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1
2193 fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2
2194 fMedSensZEM = idtmed[5]; // Sensitive volume: ZEM passive material
2195 fMedSensTDI = idtmed[6]; // Sensitive volume: TDI Cu shield
2196 fMedSensPI = idtmed[7]; // Sensitive volume: beam pipes
2197 fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves
2200 //_____________________________________________________________________________
2201 void AliZDCv3::InitTables()
2204 // Read light tables for Cerenkov light production parameterization
2209 char *lightfName1,*lightfName2,*lightfName3,*lightfName4,
2210 *lightfName5,*lightfName6,*lightfName7,*lightfName8;
2211 FILE *fp1, *fp2, *fp3, *fp4, *fp5, *fp6, *fp7, *fp8;
2213 // --- Reading light tables for ZN
2214 lightfName1 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362207s");
2215 if((fp1 = fopen(lightfName1,"r")) == NULL){
2216 printf("Cannot open file fp1 \n");
2219 lightfName2 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362208s");
2220 if((fp2 = fopen(lightfName2,"r")) == NULL){
2221 printf("Cannot open file fp2 \n");
2224 lightfName3 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362209s");
2225 if((fp3 = fopen(lightfName3,"r")) == NULL){
2226 printf("Cannot open file fp3 \n");
2229 lightfName4 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362210s");
2230 if((fp4 = fopen(lightfName4,"r")) == NULL){
2231 printf("Cannot open file fp4 \n");
2235 for(k=0; k<fNalfan; k++){
2236 for(j=0; j<fNben; j++){
2237 fscanf(fp1,"%f",&fTablen[0][k][j]);
2238 fscanf(fp2,"%f",&fTablen[1][k][j]);
2239 fscanf(fp3,"%f",&fTablen[2][k][j]);
2240 fscanf(fp4,"%f",&fTablen[3][k][j]);
2248 // --- Reading light tables for ZP and ZEM
2249 lightfName5 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552207s");
2250 if((fp5 = fopen(lightfName5,"r")) == NULL){
2251 printf("Cannot open file fp5 \n");
2254 lightfName6 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552208s");
2255 if((fp6 = fopen(lightfName6,"r")) == NULL){
2256 printf("Cannot open file fp6 \n");
2259 lightfName7 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552209s");
2260 if((fp7 = fopen(lightfName7,"r")) == NULL){
2261 printf("Cannot open file fp7 \n");
2264 lightfName8 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552210s");
2265 if((fp8 = fopen(lightfName8,"r")) == NULL){
2266 printf("Cannot open file fp8 \n");
2270 for(k=0; k<fNalfap; k++){
2271 for(j=0; j<fNbep; j++){
2272 fscanf(fp5,"%f",&fTablep[0][k][j]);
2273 fscanf(fp6,"%f",&fTablep[1][k][j]);
2274 fscanf(fp7,"%f",&fTablep[2][k][j]);
2275 fscanf(fp8,"%f",&fTablep[3][k][j]);
2283 //_____________________________________________________________________________
2284 void AliZDCv3::StepManager()
2287 // Routine called at every step in the Zero Degree Calorimeters
2289 Int_t j, vol[2]={0,0}, ibeta=0, ialfa=0, ibe=0, nphe=0;
2290 Float_t hits[11], x[3], xdet[3], um[3], ud[3];
2291 Float_t m=0., ekin=0., destep=0., be=0., out=0.;
2292 // Parametrization for light guide uniformity
2293 // NEW!!! Light guide tilted @ 51 degrees
2294 Float_t guiPar[4]={0.31,-0.0006305,0.01337,0.8895};
2295 Double_t s[3], p[3];
2298 for(j=0;j<11;j++) hits[j]=-999.;
2300 // --- This part is for no shower developement in beam pipe and TDI
2301 // If particle interacts with beam pipe or TDI -> return
2302 if((gMC->CurrentMedium() == fMedSensPI) || (gMC->CurrentMedium() == fMedSensTDI)){
2303 // If option NoShower is set -> StopTrack
2306 gMC->TrackPosition(s[0],s[1],s[2]);
2307 if(gMC->CurrentMedium() == fMedSensPI){
2308 knamed = gMC->CurrentVolName();
2309 if(!strncmp(knamed,"YMQ",3)){
2310 if(s[2]<0) fpLostITC += 1;
2311 else fpLostITA += 1;
2314 else if(!strncmp(knamed,"YD1",3)){
2315 if(s[2]<0) fpLostD1C += 1;
2316 else fpLostD1A += 1;
2319 else if(!strncmp(knamed,"QAL",3)) fnTrou++;
2321 else if(gMC->CurrentMedium() == fMedSensTDI){
2322 knamed = gMC->CurrentVolName();
2323 if(!strncmp(knamed,"MD1",3)){
2324 if(s[2]<0) fpLostD1C += 1;
2325 else fpLostD1A += 1;
2328 else if(!strncmp(knamed,"QTD",3)) fpLostTDI += 1;
2329 else if(!strncmp(knamed,"QLU",3)){
2330 if(s[2]<0) fnLumiC ++;
2336 //gMC->TrackMomentum(p[0], p[1], p[2], p[3]);
2337 //printf("\t Particle: mass = %1.3f, E = %1.3f GeV, pz = %1.2f GeV -> stopped in volume %s\n",
2338 // gMC->TrackMass(), p[3], p[2], gMC->CurrentVolName());
2341 printf("\n\t **********************************\n");
2342 printf("\t ********** Side C **********\n");
2343 printf("\t # of spectators in IT = %d\n",fpLostITC);
2344 printf("\t # of spectators in D1 = %d\n",fpLostD1C);
2345 printf("\t # of spectators in luminometer = %d\n",fnLumiC);
2346 printf("\t ********** Side A **********\n");
2347 printf("\t # of spectators in IT = %d\n",fpLostITA);
2348 printf("\t # of spectators in D1 = %d\n",fpLostD1A);
2349 printf("\t # of spectators in TDI = %d\n",fpLostTDI);
2350 printf("\t # of spectators in luminometer = %d\n",fnLumiA);
2351 printf("\t # of spectators in trousers = %d\n",fnTrou);
2352 printf("\t **********************************\n");
2360 if((gMC->CurrentMedium() == fMedSensZN) || (gMC->CurrentMedium() == fMedSensZP) ||
2361 (gMC->CurrentMedium() == fMedSensGR) || (gMC->CurrentMedium() == fMedSensF1) ||
2362 (gMC->CurrentMedium() == fMedSensF2) || (gMC->CurrentMedium() == fMedSensZEM)){
2365 //Particle coordinates
2366 gMC->TrackPosition(s[0],s[1],s[2]);
2367 for(j=0; j<=2; j++) x[j] = s[j];
2372 // Determine in which ZDC the particle is
2373 knamed = gMC->CurrentVolName();
2374 if(!strncmp(knamed,"ZN",2)){
2375 if(x[2]<0.) vol[0]=1; // ZNC (dimuon side)
2376 else if(x[2]>0.) vol[0]=4; //ZNA
2378 else if(!strncmp(knamed,"ZP",2)){
2379 if(x[2]<0.) vol[0]=2; //ZPC (dimuon side)
2380 else if(x[2]>0.) vol[0]=5; //ZPA
2382 else if(!strncmp(knamed,"ZE",2)) vol[0]=3; //ZEM
2384 // Determine in which quadrant the particle is
2385 if(vol[0]==1){ //Quadrant in ZNC
2386 // Calculating particle coordinates inside ZNC
2387 xdet[0] = x[0]-fPosZNC[0];
2388 xdet[1] = x[1]-fPosZNC[1];
2389 // Calculating quadrant in ZN
2391 if(xdet[1]<=0.) vol[1]=1;
2394 else if(xdet[0]>0.){
2395 if(xdet[1]<=0.) vol[1]=2;
2398 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
2399 printf(" ZDC StepManager->ERROR in ZN!!! vol[1] = %d, xdet[0] = %f,"
2400 "xdet[1] = %f\n",vol[1], xdet[0], xdet[1]);
2403 else if(vol[0]==2){ //Quadrant in ZPC
2404 // Calculating particle coordinates inside ZPC
2405 xdet[0] = x[0]-fPosZPC[0];
2406 xdet[1] = x[1]-fPosZPC[1];
2407 if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01;
2408 if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01;
2409 // Calculating tower in ZP
2410 Float_t xqZP = xdet[0]/(fDimZP[0]/2.);
2411 for(int i=1; i<=4; i++){
2412 if(xqZP>=(i-3) && xqZP<(i-2)){
2417 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
2418 printf(" ZDC StepManager->ERROR in ZP!!! vol[1] = %d, xdet[0] = %f,"
2419 "xdet[1] = %f\n",vol[1], xdet[0], xdet[1]);
2422 // Quadrant in ZEM: vol[1] = 1 -> particle in 1st ZEM (placed at x = 8.5 cm)
2423 // vol[1] = 2 -> particle in 2nd ZEM (placed at x = -8.5 cm)
2424 else if(vol[0] == 3){
2427 // Particle x-coordinate inside ZEM1
2428 xdet[0] = x[0]-fPosZEM[0];
2432 // Particle x-coordinate inside ZEM2
2433 xdet[0] = x[0]+fPosZEM[0];
2435 xdet[1] = x[1]-fPosZEM[1];
2438 else if(vol[0]==4){ //Quadrant in ZNA
2439 // Calculating particle coordinates inside ZNA
2440 xdet[0] = x[0]-fPosZNA[0];
2441 xdet[1] = x[1]-fPosZNA[1];
2442 // Calculating quadrant in ZNA
2444 if(xdet[1]<=0.) vol[1]=1;
2447 else if(xdet[0]<0.){
2448 if(xdet[1]<=0.) vol[1]=2;
2451 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
2452 printf(" ZDC StepManager->ERROR in ZNA!!! vol[1] = %d, xdet[0] = %f,"
2453 "xdet[1] = %f\n",vol[1], xdet[0], xdet[1]);
2456 else if(vol[0]==5){ //Quadrant in ZPA
2457 // Calculating particle coordinates inside ZPA
2458 xdet[0] = x[0]-fPosZPA[0];
2459 xdet[1] = x[1]-fPosZPA[1];
2460 if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01;
2461 if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01;
2462 // Calculating tower in ZP
2463 Float_t xqZP = -xdet[0]/(fDimZP[0]/2.);
2464 for(int i=1; i<=4; i++){
2465 if(xqZP>=(i-3) && xqZP<(i-2)){
2470 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
2471 printf(" ZDC StepManager->ERROR in ZPA!!! vol[1] = %d, xdet[0] = %f,"
2472 "xdet[1] = %f\n",vol[1], xdet[0], xdet[1]);
2476 // Store impact point and kinetic energy of the ENTERING particle
2478 if(gMC->IsTrackEntering()){
2480 gMC->TrackMomentum(p[0],p[1],p[2],p[3]);
2482 // Impact point on ZDC
2490 Int_t curTrackN = gAlice->GetMCApp()->GetCurrentTrackNumber();
2491 TParticle *part = (gAlice->GetMCApp())->Particle(curTrackN);
2492 hits[10] = part->GetPdgCode();
2493 //printf("\t PDGCode = %d\n", part->GetPdgCode());
2495 AddHit(curTrackN, vol, hits);
2498 //printf("\t VolName %s -> det %d quad %d - x = %f, y = %f, z = %f\n",
2499 //knamed, vol[0], vol[1], x[0], x[1], x[2]);
2502 printf(" # of particles in ZNC = %d\n\n",fnDetectedC);
2506 printf(" # of particles in ZPC = %d\n\n",fpDetectedC);
2510 printf(" # of particles in ZNA = %d\n\n",fnDetectedA);
2514 printf(" # of particles in ZPA = %d\n\n",fpDetectedA);
2517 //printf("\t Particle: mass = %1.3f, E = %1.3f GeV, pz = %1.2f GeV -> stopped in volume %s\n",
2518 // gMC->TrackMass(), p[3], p[2], gMC->CurrentVolName());
2525 // Charged particles -> Energy loss
2526 if((destep=gMC->Edep())){
2527 if(gMC->IsTrackStop()){
2528 gMC->TrackMomentum(p[0],p[1],p[2],p[3]);
2529 m = gMC->TrackMass();
2534 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2540 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2546 // *** Light production in fibres
2547 if((gMC->CurrentMedium() == fMedSensF1) || (gMC->CurrentMedium() == fMedSensF2)){
2549 //Select charged particles
2550 if((destep=gMC->Edep())){
2552 // Particle velocity
2554 gMC->TrackMomentum(p[0],p[1],p[2],p[3]);
2555 Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]);
2556 if(p[3] > 0.00001) beta = ptot/p[3];
2558 if(beta<0.67)return;
2559 else if((beta>=0.67) && (beta<=0.75)) ibeta = 0;
2560 else if((beta>0.75) && (beta<=0.85)) ibeta = 1;
2561 else if((beta>0.85) && (beta<=0.95)) ibeta = 2;
2562 else if(beta>0.95) ibeta = 3;
2564 // Angle between particle trajectory and fibre axis
2565 // 1 -> Momentum directions
2569 gMC->Gmtod(um,ud,2);
2570 // 2 -> Angle < limit angle
2571 Double_t alfar = TMath::ACos(ud[2]);
2572 Double_t alfa = alfar*kRaddeg;
2573 if(alfa>=110.) return;
2575 ialfa = Int_t(1.+alfa/2.);
2577 // Distance between particle trajectory and fibre axis
2578 gMC->TrackPosition(s[0],s[1],s[2]);
2579 for(j=0; j<=2; j++){
2582 gMC->Gmtod(x,xdet,1);
2583 if(TMath::Abs(ud[0])>0.00001){
2584 Float_t dcoeff = ud[1]/ud[0];
2585 be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.));
2588 be = TMath::Abs(ud[0]);
2591 ibe = Int_t(be*1000.+1);
2592 //if((vol[0]==1)) radius = fFibZN[1];
2593 //else if((vol[0]==2)) radius = fFibZP[1];
2595 //Looking into the light tables
2596 Float_t charge = gMC->TrackCharge();
2598 if(vol[0]==1 || vol[0]==4) { // (1) ZN fibres
2599 if(ibe>fNben) ibe=fNben;
2600 out = charge*charge*fTablen[ibeta][ialfa][ibe];
2601 nphe = gRandom->Poisson(out);
2603 //if(ibeta==3) printf("\t %f \t %f \t %f\n",alfa, be, out);
2604 //printf("\t ibeta = %d, ialfa = %d, ibe = %d -> nphe = %d\n\n",ibeta,ialfa,ibe,nphe);
2605 if(gMC->CurrentMedium() == fMedSensF1){
2606 hits[7] = nphe; //fLightPMQ
2609 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2613 hits[8] = nphe; //fLightPMC
2615 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2618 else if(vol[0]==2 || vol[0]==5) {// (2) ZP fibres
2619 if(ibe>fNbep) ibe=fNbep;
2620 out = charge*charge*fTablep[ibeta][ialfa][ibe];
2621 nphe = gRandom->Poisson(out);
2622 if(gMC->CurrentMedium() == fMedSensF1){
2623 hits[7] = nphe; //fLightPMQ
2626 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2630 hits[8] = nphe; //fLightPMC
2632 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2635 else if((vol[0]==3)) { // (3) ZEM fibres
2636 if(ibe>fNbep) ibe=fNbep;
2637 out = charge*charge*fTablep[ibeta][ialfa][ibe];
2638 gMC->TrackPosition(s[0],s[1],s[2]);
2643 // z-coordinate from ZEM front face
2644 // NB-> fPosZEM[2]+fZEMLength = -1000.+2*10.3 = 979.69 cm
2645 Float_t z = -xalic[2]+fPosZEM[2]+2*fZEMLength-xalic[1];
2646 //z = xalic[2]-fPosZEM[2]-fZEMLength-xalic[1]*(TMath::Tan(45.*kDegrad));
2647 //printf(" fPosZEM[2]+2*fZEMLength = %f", fPosZEM[2]+2*fZEMLength);
2648 Float_t guiEff = guiPar[0]*(guiPar[1]*z*z+guiPar[2]*z+guiPar[3]);
2650 nphe = gRandom->Poisson(out);
2651 //printf(" out*guiEff = %f nphe = %d", out, nphe);
2654 hits[8] = nphe; //fLightPMC (ZEM1)
2656 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2659 hits[7] = nphe; //fLightPMQ (ZEM2)
2662 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);