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
159 fPosZNC[2] = -11600.;
162 fPosZPC[2] = -11600.;
175 // Parameters for EM calorimeter geometry
179 Float_t kDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
180 Float_t kDimZEMAir = 0.001; // scotch
181 Float_t kFibRadZEM = 0.0315; // External fiber radius (including cladding)
182 Int_t kDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
183 Float_t kDimZEM0 = 2*kDivZEM[2]*(kDimZEMPb+kDimZEMAir+kFibRadZEM*(TMath::Sqrt(2.)));
184 fZEMLength = kDimZEM0;
188 //_____________________________________________________________________________
189 void AliZDCv3::CreateGeometry()
192 // Create the geometry for the Zero Degree Calorimeter version 2
193 //* Initialize COMMON block ZDC_CGEOM
200 //_____________________________________________________________________________
201 void AliZDCv3::CreateBeamLine()
204 // Create the beam line elements
207 Double_t zd1, zd2, zCorrDip, zInnTrip, zD1, zD2;
208 Double_t conpar[9], tubpar[3], tubspar[5], boxpar[3];
210 //-- rotation matrices for the legs
211 Int_t irotpipe1, irotpipe2;
212 gMC->Matrix(irotpipe1,90.-1.0027,0.,90.,90.,1.0027,180.);
213 gMC->Matrix(irotpipe2,90.+1.0027,0.,90.,90.,1.0027,0.);
216 Int_t *idtmed = fIdtmed->GetArray();
218 ////////////////////////////////////////////////////////////////
220 // SIDE C - RB26 (dimuon side) //
222 ///////////////////////////////////////////////////////////////
225 // -- Mother of the ZDCs (Vacuum PCON)
237 gMC->Gsvolu("ZDCC", "PCON", idtmed[10], conpar, 9);
238 gMC->Gspos("ZDCC", 1, "ALIC", 0., 0., 0., 0, "ONLY");
241 // -- FIRST SECTION OF THE BEAM PIPE (from compensator dipole to
242 // 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 = %f to z= %f (D1 beg.)\n",-zd1,-2*tubpar[2]-zd1);
252 //-- SECOND SECTION OF THE BEAM PIPE (from the end of D1 to the
255 //-- FROM MAGNETIC BEGINNING OF D1 TO MAGNETIC END OF D1 + 13.5 cm
256 //-- Cylindrical pipe (r = 3.47) + conical flare
258 // -> Beginning of D1
262 tubpar[1] = 3.47+0.2;
263 tubpar[2] = 958.5/2.;
264 gMC->Gsvolu("QT02", "TUBE", idtmed[7], tubpar, 3);
265 gMC->Gspos("QT02", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
267 //printf(" QT02 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
276 gMC->Gsvolu("QC01", "CONE", idtmed[7], conpar, 5);
277 gMC->Gspos("QC01", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
279 //printf(" QC01 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1);
285 tubpar[2] = (50.+10.+3.16+190.)/2.;
286 gMC->Gsvolu("QT03", "TUBE", idtmed[7], tubpar, 3);
287 gMC->Gspos("QT03", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
289 //printf(" QT03 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
298 gMC->Gsvolu("QC02", "CONE", idtmed[7], conpar, 5);
299 gMC->Gspos("QC02", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
301 //printf(" QC02 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1);
303 zd1 += conpar[0] * 2.;
308 gMC->Gsvolu("QT04", "TUBE", idtmed[7], tubpar, 3);
309 gMC->Gspos("QT04", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
311 //printf(" QT04 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
313 zd1 += tubpar[2] * 2.;
320 gMC->Gsvolu("QC03", "CONE", idtmed[7], conpar, 5);
321 gMC->Gspos("QC03", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
323 //printf(" QC03 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1);
325 zd1 += conpar[0] * 2.;
329 tubpar[2] = 205.8/2.;
330 gMC->Gsvolu("QT05", "TUBE", idtmed[7], tubpar, 3);
331 gMC->Gspos("QT05", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
333 //printf(" QT05 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
335 zd1 += tubpar[2] * 2.;
339 tubpar[2] = (515.4+690.+778.5)/2.;
340 gMC->Gsvolu("QT06", "TUBE", idtmed[7], tubpar, 3);
341 gMC->Gspos("QT06", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
343 //printf(" QT06 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
345 zd1 += tubpar[2] * 2.;
347 conpar[0] = 14.18/2.;
352 gMC->Gsvolu("QC04", "CONE", idtmed[7], conpar, 5);
353 gMC->Gspos("QC04", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
355 //printf(" QC04 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1);
357 zd1 += conpar[0] * 2.;
362 gMC->Gsvolu("QT07", "TUBE", idtmed[7], tubpar, 3);
363 gMC->Gspos("QT07", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
365 //printf(" QT07 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
367 zd1 += tubpar[2] * 2.;
369 conpar[0] = 36.86/2.;
374 gMC->Gsvolu("QC05", "CONE", idtmed[7], conpar, 5);
375 gMC->Gspos("QC05", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
377 //printf(" QC05 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1);
379 zd1 += conpar[0] * 2.;
383 tubpar[2] = 848.6/2.;
384 gMC->Gsvolu("QT08", "TUBE", idtmed[7], tubpar, 3);
385 gMC->Gspos("QT08", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
387 //printf(" QT08 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
389 zd1 += tubpar[2] * 2.;
391 // --------------------------------------------------------
392 // RECOMBINATION CHAMBER IMPLEMENTED USING TGeo CLASSES!!!!
393 // author: Chiara (August 2008)
394 // --------------------------------------------------------
395 // TRANSFORMATION MATRICES
396 // Combi transformation:
397 Double_t dx = -3.970000;
398 Double_t dy = 0.000000;
401 Double_t thx = 84.989100; Double_t phx = 180.000000;
402 Double_t thy = 90.000000; Double_t phy = 90.000000;
403 Double_t thz = 185.010900; Double_t phz = 0.000000;
404 TGeoRotation *rotMatrix1c = new TGeoRotation("c",thx,phx,thy,phy,thz,phz);
405 // Combi transformation:
409 TGeoCombiTrans *rotMatrix2c = new TGeoCombiTrans("ZDCC_c1", dx,dy,dz,rotMatrix1c);
410 rotMatrix2c->RegisterYourself();
411 // Combi transformation:
416 thx = 95.010900; phx = 180.000000;
417 thy = 90.000000; phy = 90.000000;
418 thz = 180.-5.010900; phz = 0.000000;
419 TGeoRotation *rotMatrix3c = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
420 TGeoCombiTrans *rotMatrix4c = new TGeoCombiTrans("ZDCC_c2", dx,dy,dz,rotMatrix3c);
421 rotMatrix4c->RegisterYourself();
423 // VOLUMES DEFINITION
425 TGeoVolume *pZDCC = gGeoManager->GetVolume("ZDCC");
427 conpar[0] = (90.1-0.95-0.26-0.0085)/2.;
432 new TGeoCone("QCLext", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
434 conpar[0] = (90.1-0.95-0.26-0.0085)/2.;
439 new TGeoCone("QCLint", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
442 TGeoCompositeShape *pOutTrousersC = new TGeoCompositeShape("outTrousersC", "QCLext:ZDCC_c1+QCLext:ZDCC_c2");
445 TGeoMedium *medZDCFe = gGeoManager->GetMedium("ZDC_ZIRON");
446 TGeoVolume *pQCLext = new TGeoVolume("QCLext",pOutTrousersC, medZDCFe);
447 pQCLext->SetLineColor(kGreen);
448 pQCLext->SetVisLeaves(kTRUE);
450 TGeoTranslation *tr1c = new TGeoTranslation(0., 0., (Double_t) -conpar[0]-0.95-zd1);
451 //printf(" Recombination chamber from z = %f to z= %f\n",-zd1,-2*conpar[0]-0.95-zd1);
453 pZDCC->AddNode(pQCLext, 1, tr1c);
455 TGeoCompositeShape *pIntTrousersC = new TGeoCompositeShape("intTrousersC", "QCLint:ZDCC_c1+QCLint:ZDCC_c2");
457 TGeoMedium *medZDCvoid = gGeoManager->GetMedium("ZDC_ZVOID");
458 TGeoVolume *pQCLint = new TGeoVolume("QCLint",pIntTrousersC, medZDCvoid);
459 pQCLint->SetLineColor(kTeal);
460 pQCLint->SetVisLeaves(kTRUE);
461 pQCLext->AddNode(pQCLint, 1);
464 Double_t offset = 0.5;
467 // second section : 2 tubes (ID = 54. OD = 58.)
471 gMC->Gsvolu("QC14", "TUBE", idtmed[7], tubpar, 3);
472 gMC->Gspos("QC14", 1, "ZDCC", -15.8/2., 0., -tubpar[2]-zd1, 0, "ONLY");
473 gMC->Gspos("QC14", 2, "ZDCC", 15.8/2., 0., -tubpar[2]-zd1, 0, "ONLY");
475 //printf(" QC14 TUBE from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
479 // transition x2zdc to recombination chamber : skewed cone
480 conpar[0] = (10.-0.2-offset)/2.;
485 gMC->Gsvolu("QC15", "CONE", idtmed[7], conpar, 5);
486 gMC->Gspos("QC15", 1, "ZDCC", -7.9-0.175, 0., -conpar[0]-0.1-zd1, irotpipe1, "ONLY");
487 gMC->Gspos("QC15", 2, "ZDCC", 7.9+0.175, 0., -conpar[0]-0.1-zd1, irotpipe2, "ONLY");
488 //printf(" QC15 CONE from z = %f to z= %f\n",-zd1,-2*conpar[0]-0.2-zd1);
490 zd1 += 2.*conpar[0]+0.2;
492 // 2 tubes (ID = 63 mm OD=70 mm)
495 tubpar[2] = 639.8/2.;
496 gMC->Gsvolu("QC16", "TUBE", idtmed[7], tubpar, 3);
497 gMC->Gspos("QC16", 1, "ZDCC", -16.5/2., 0., -tubpar[2]-zd1, 0, "ONLY");
498 gMC->Gspos("QC16", 2, "ZDCC", 16.5/2., 0., -tubpar[2]-zd1, 0, "ONLY");
499 //printf(" QC16 TUBE from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
502 //printf("\n END OF SIDE C BEAM PIPE DEFINITION @ z = %f\n",-zd1);
505 // -- Luminometer (Cu box) in front of ZN - side C
509 gMC->Gsvolu("QLUC", "BOX ", idtmed[6], boxpar, 3);
510 gMC->Gspos("QLUC", 1, "ZDCC", 0., 0., fPosZNC[2]+66.+boxpar[2], 0, "ONLY");
511 //printf(" QLUC LUMINOMETER from z = %f to z= %f\n", fPosZNC[2]+66., fPosZNC[2]+66.+2*boxpar[2]);
513 // -- END OF BEAM PIPE VOLUME DEFINITION FOR SIDE C (RB26 SIDE)
514 // ----------------------------------------------------------------
516 ////////////////////////////////////////////////////////////////
520 ///////////////////////////////////////////////////////////////
522 // Rotation Matrices definition
523 Int_t irotpipe3, irotpipe4, irotpipe5;
524 //-- rotation matrices for the tilted cone after the TDI to recenter vacuum chamber
525 gMC->Matrix(irotpipe3,90.-1.8934,0.,90.,90.,1.8934,180.);
526 //-- rotation matrices for the tilted tube before and after the TDI
527 gMC->Matrix(irotpipe4,90.-3.8,0.,90.,90.,3.8,180.);
528 //-- rotation matrix for the tilted cone after the TDI
529 gMC->Matrix(irotpipe5,90.+9.8,0.,90.,90.,9.8,0.);
531 // -- Mother of the ZDCs (Vacuum PCON)
532 zd2 = 1910.22;// zd2 initial value
543 gMC->Gsvolu("ZDCA", "PCON", idtmed[10], conpar, 9);
544 gMC->Gspos("ZDCA", 1, "ALIC", 0., 0., 0., 0, "ONLY");
546 // To avoid overlaps 1 micron are left between certain volumes!
547 Double_t dxNoOverlap = 0.0;
548 //zd2 += dxNoOverlap;
550 // BEAM PIPE from 19.10 m to inner triplet beginning (22.965 m)
553 tubpar[2] = 386.28/2. - dxNoOverlap;
554 gMC->Gsvolu("QA01", "TUBE", idtmed[7], tubpar, 3);
555 gMC->Gspos("QA01", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
557 //printf("\n QA01 TUBE centred in %f from z = %f to z = %f (IT begin)\n",tubpar[2]+zd2,zd2,2*tubpar[2]+zd2);
561 // -- FIRST SECTION OF THE BEAM PIPE (from beginning of inner triplet to
565 tubpar[2] = 3541.8/2. - dxNoOverlap;
566 gMC->Gsvolu("QA02", "TUBE", idtmed[7], tubpar, 3);
567 gMC->Gspos("QA02", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
569 //printf("\n QA02 TUBE from z = %f to z = %f (D1 begin)\n",zd2,2*tubpar[2]+zd2);
574 // -- SECOND SECTION OF THE BEAM PIPE (from the beginning of D1 to the beginning of D2)
576 // FROM (MAGNETIC) BEGINNING OF D1 TO THE (MAGNETIC) END OF D1 + 126.5 cm
577 // CYLINDRICAL PIPE of diameter increasing from 6.75 cm up to 8.0 cm
578 // from magnetic end :
579 // 1) 80.1 cm still with ID = 6.75 radial beam screen
580 // 2) 2.5 cm conical section from ID = 6.75 to ID = 8.0 cm
581 // 3) 43.9 cm straight section (tube) with ID = 8.0 cm
583 //printf("\n Beginning of D1 at z = %f\n",zd2);
587 tubpar[2] = (945.0+80.1)/2.;
588 gMC->Gsvolu("QA03", "TUBE", idtmed[7], tubpar, 3);
589 gMC->Gspos("QA03", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
591 //printf("\n QA03 TUBE from z = %f to z = %f\n",zd2,2*tubpar[2]+zd2);
595 // Transition Cone from ID=67.5 mm to ID=80 mm
601 gMC->Gsvolu("QA04", "CONE", idtmed[7], conpar, 5);
602 gMC->Gspos("QA04", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
603 //printf("\n QA04 CONE from z = %f to z = %f\n",zd2,2*conpar[0]+zd2);
609 tubpar[2] = (43.9+20.+28.5+28.5)/2.;
610 gMC->Gsvolu("QA05", "TUBE", idtmed[7], tubpar, 3);
611 gMC->Gspos("QA05", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
613 //printf("\n QA05 TUBE from z = %f to z = %f\n",zd2,2*tubpar[2]+zd2);
617 // Second section of VAEHI (transition cone from ID=80mm to ID=98mm)
623 gMC->Gsvolu("QAV1", "CONE", idtmed[7], conpar, 5);
624 gMC->Gspos("QAV1", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
625 //printf("\n QAV1 CONE from z = %f to z = %f\n",zd2,2*conpar[0]+zd2);
629 //Third section of VAEHI (transition cone from ID=98mm to ID=90mm)
635 gMC->Gsvolu("QAV2", "CONE", idtmed[7], conpar, 5);
636 gMC->Gspos("QAV2", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
637 //printf("\n QAV2 CONE from z = %f to z = %f\n",zd2,2*conpar[0]+zd2);
641 // Fourth section of VAEHI (tube ID=90mm)
645 gMC->Gsvolu("QAV3", "TUBE", idtmed[7], tubpar, 3);
646 gMC->Gspos("QAV3", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
648 //printf("\n QAV3 TUBE from z = %f to z = %f\n",zd2,2*tubpar[2]+zd2);
652 //---------------------------- TCDD beginning ----------------------------------
653 // space for the insertion of the collimator TCDD (2 m)
654 // TCDD ZONE - 1st volume
660 gMC->Gsvolu("Q01T", "CONE", idtmed[7], conpar, 5);
661 gMC->Gspos("Q01T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
662 //printf("\n Q01T CONE from z = %f to z = %f\n",zd2,2*conpar[0]+zd2);
666 // TCDD ZONE - 2nd volume
670 gMC->Gsvolu("Q02T", "TUBE", idtmed[7], tubpar, 3);
671 gMC->Gspos("Q02T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
673 //printf("\n Q02T TUBE from z = %f to z = %f\n",zd2,2*tubpar[2]+zd2);
677 // TCDD ZONE - third volume
683 gMC->Gsvolu("Q03T", "CONE", idtmed[7], conpar, 5);
684 gMC->Gspos("Q03T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
685 //printf("\n Q03T CONE from z = %f to z = %f\n",zd2,2*conpar[0]+zd2);
689 // TCDD ZONE - 4th volume
693 gMC->Gsvolu("Q04T", "TUBE", idtmed[7], tubpar, 3);
694 gMC->Gspos("Q04T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
696 //printf("\n Q04T TUBE from z = %f to z = %f\n",zd2,2*tubpar[2]+zd2);
700 // TCDD ZONE - 5th volume
703 tubpar[2] = 100.12/2.;
704 gMC->Gsvolu("Q05T", "TUBE", idtmed[7], tubpar, 3);
705 gMC->Gspos("Q05T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
707 //printf("\n Q05T TUBE from z = %f to z = %f\n",zd2,2*tubpar[2]+zd2);
711 // TCDD ZONE - 6th volume
715 gMC->Gsvolu("Q06T", "TUBE", idtmed[7], tubpar, 3);
716 gMC->Gspos("Q06T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
718 //printf("\n Q06T TUBE from z = %f to z = %f\n",zd2,2*tubpar[2]+zd2);
722 // TCDD ZONE - 7th volume
723 conpar[0] = 11.34/2.;
728 gMC->Gsvolu("Q07T", "CONE", idtmed[7], conpar, 5);
729 gMC->Gspos("Q07T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
730 //printf("\n Q07T CONE from z = %f to z = %f\n",zd2,2*conpar[0]+zd2);
734 // Upper section : one single phi segment of a tube
735 // 5 parameters for tubs: inner radius = 0.,
736 // outer radius = 7. cm, half length = 50 cm
737 // phi1 = 0., phi2 = 180.
739 tubspar[1] = 14.0/2.;
740 tubspar[2] = 100.0/2.;
743 gMC->Gsvolu("Q08T", "TUBS", idtmed[7], tubspar, 5);
745 //printf("\n upper part : one single phi segment of a tube (Q08T)\n");
747 // rectangular beam pipe inside TCDD upper section (Vacuum)
751 gMC->Gsvolu("Q09T", "BOX ", idtmed[10], boxpar, 3);
752 // positioning vacuum box in the upper section of TCDD
753 gMC->Gspos("Q09T", 1, "Q08T", 0., 1.1, 0., 0, "ONLY");
755 // lower section : one single phi segment of a tube
757 tubspar[1] = 14.0/2.;
758 tubspar[2] = 100.0/2.;
761 gMC->Gsvolu("Q10T", "TUBS", idtmed[7], tubspar, 5);
762 // rectangular beam pipe inside TCDD lower section (Vacuum)
766 gMC->Gsvolu("Q11T", "BOX ", idtmed[10], boxpar, 3);
767 // positioning vacuum box in the lower section of TCDD
768 gMC->Gspos("Q11T", 1, "Q10T", 0., -1.1, 0., 0, "ONLY");
770 // positioning TCDD elements in ZDCA, (inside TCDD volume)
771 gMC->Gspos("Q08T", 1, "ZDCA", 0., 2., -100.+zd2, 0, "ONLY");
772 gMC->Gspos("Q10T", 1, "ZDCA", 0., -2., -100.+zd2, 0, "ONLY");
778 gMC->Gsvolu("Q12T", "BOX ", idtmed[7], boxpar, 3);
779 // positioning RF screen at both sides of TCDD
780 gMC->Gspos("Q12T", 1, "ZDCA", tubspar[1]+boxpar[0], 0., -100.+zd2, 0, "ONLY");
781 gMC->Gspos("Q12T", 2, "ZDCA", -tubspar[1]-boxpar[0], 0., -100.+zd2, 0, "ONLY");
782 //---------------------------- TCDD end ---------------------------------------
784 // The following elliptical tube 180 mm x 70 mm
785 // (obtained positioning the void QA09 in QA08)
786 // represents VMTSA (780 mm) + space reserved to the TCTVB (1480 mm)+
787 // VMTSA (780 mm) + first part of VCTCP (93 mm)
791 tubpar[2] = 313.3/2.;
792 gMC->Gsvolu("QA06", "ELTU", idtmed[7], tubpar, 3);
793 //printf("\n QA06 TUBE from z = %f to z = %f\n",zd2,2*tubpar[2]+zd2);
797 tubpar[2] = 313.3/2.;
798 gMC->Gsvolu("QA07", "ELTU", idtmed[10], tubpar, 3);
799 //printf("\n QA07 TUBE from z = %f to z = %f\n",zd2,2*tubpar[2]+zd2);
800 gMC->Gspos("QA06", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
801 gMC->Gspos("QA07", 1, "QA06", 0., 0., 0., 0, "ONLY");
805 // VCTCP second part: transition cone from ID=180 to ID=212.7
809 conpar[3] = 21.27/2.;
810 conpar[4] = 21.87/2.;
811 gMC->Gsvolu("QA08", "CONE", idtmed[7], conpar, 5);
812 gMC->Gspos("QA08", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
814 //printf("\n QA08 CONE from z = %Third part of VCTCR: tube (ID=196 mm) f to z = %f\n",zd2,2*conpar[0]+zd2);
819 // Represents VCTCP third part (92 mm) + VCDWB (765 mm) + VMBGA (400 mm) +
820 // VCDWE (300 mm) + VMBGA (400 mm)
821 tubpar[0] = 21.27/2.;
822 tubpar[1] = 21.87/2.;
823 tubpar[2] = 195.7/2.;
824 gMC->Gsvolu("QA09", "TUBE", idtmed[7], tubpar, 3);
825 gMC->Gspos("QA09", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
826 //printf("\n QA09 TUBE from z = %f to z = %f\n",zd2,2*tubpar[2]+zd2);
830 // skewed transition piece (ID=212.7 mm to 332 mm) (before TDI)
831 conpar[0] = (50.0-0.73-1.13)/2.;
832 conpar[1] = 21.27/2.;
833 conpar[2] = 21.87/2.;
836 gMC->Gsvolu("QA10", "CONE", idtmed[7], conpar, 5);
837 gMC->Gspos("QA10", 1, "ZDCA", -1.66, 0., conpar[0]+0.73+zd2, irotpipe4, "ONLY");
839 //printf("\n QA10 skewed CONE from z = %f to z = %f\n",zd2,2*conpar[0]+0.73+1.13+zd2);
841 zd2 += 2.*conpar[0]+0.73+1.13;
843 // Vacuum chamber containing TDI
846 tubpar[2] = 540.0/2.;
847 gMC->Gsvolu("Q13TM", "TUBE", idtmed[10], tubpar, 3);
848 gMC->Gspos("Q13TM", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
851 tubpar[2] = 540.0/2.;
852 gMC->Gsvolu("Q13T", "TUBE", idtmed[7], tubpar, 3);
853 gMC->Gspos("Q13T", 1, "Q13TM", 0., 0., 0., 0, "ONLY");
855 //printf("\n Q13T TUBE from z = %f to z = %f\n",zd2,2*tubpar[2]+zd2);
859 //---------------- INSERT TDI INSIDE Q13T -----------------------------------
862 boxpar[2] = 540.0/2.;
863 gMC->Gsvolu("QTD1", "BOX ", idtmed[7], boxpar, 3);
864 gMC->Gspos("QTD1", 1, "Q13TM", -3.8, 10.5, 0., 0, "ONLY");
867 boxpar[2] = 540.0/2.;
868 gMC->Gsvolu("QTD2", "BOX ", idtmed[7], boxpar, 3);
869 gMC->Gspos("QTD2", 1, "Q13TM", -3.8, -10.5, 0., 0, "ONLY");
872 boxpar[2] = 540.0/2.;
873 gMC->Gsvolu("QTD3", "BOX ", idtmed[7], boxpar, 3);
874 gMC->Gspos("QTD3", 1, "Q13TM", -3.8+5.5+boxpar[0], 6.1, 0., 0, "ONLY");
875 gMC->Gspos("QTD3", 2, "Q13TM", -3.8+5.5+boxpar[0], -6.1, 0., 0, "ONLY");
876 gMC->Gspos("QTD3", 3, "Q13TM", -3.8-5.5-boxpar[0], 6.1, 0., 0, "ONLY");
877 gMC->Gspos("QTD3", 4, "Q13TM", -3.8-5.5-boxpar[0], -6.1, 0., 0, "ONLY");
879 tubspar[0] = 12.0/2.;
880 tubspar[1] = 12.4/2.;
881 tubspar[2] = 540.0/2.;
884 gMC->Gsvolu("QTD4", "TUBS", idtmed[7], tubspar, 5);
885 gMC->Gspos("QTD4", 1, "Q13TM", -3.8-10.6, 0., 0., 0, "ONLY");
886 tubspar[0] = 12.0/2.;
887 tubspar[1] = 12.4/2.;
888 tubspar[2] = 540.0/2.;
891 gMC->Gsvolu("QTD5", "TUBS", idtmed[7], tubspar, 5);
892 gMC->Gspos("QTD5", 1, "Q13TM", -3.8+10.6, 0., 0., 0, "ONLY");
893 //---------------- END DEFINING TDI INSIDE Q13T -------------------------------
895 // VCTCG skewed transition piece (ID=332 mm to 212.7 mm) (after TDI)
896 conpar[0] = (50.0-2.92-1.89)/2.;
899 conpar[3] = 21.27/2.;
900 conpar[4] = 21.87/2.;
901 gMC->Gsvolu("QA11", "CONE", idtmed[7], conpar, 5);
902 gMC->Gspos("QA11", 1, "ZDCA", 4.32-3.8, 0., conpar[0]+2.92+zd2, irotpipe5, "ONLY");
904 //printf("\n QA11 skewed CONE from z = %f to z =%f\n",zd2,2*conpar[0]+2.92+1.89+zd2);
906 zd2 += 2.*conpar[0]+2.92+1.89;
908 // The following tube ID 212.7 mm --- (volume QA14)
909 // represents VMBGA (400 mm) + VCDWE (300 mm) + VMBGA (400 mm) +
910 // BTVTS (600 mm) + VMLGB (400 mm)
911 tubpar[0] = 21.27/2.;
912 tubpar[1] = 21.87/2.;
913 tubpar[2] = 210.0/2.;
914 gMC->Gsvolu("QA12", "TUBE", idtmed[7], tubpar, 3);
915 gMC->Gspos("QA12", 1, "ZDCA", 4., 0., tubpar[2]+zd2, 0, "ONLY");
917 //printf("\n QA12 TUBE from z = %f to z = %f\n",zd2,2*tubpar[2]+zd2);
921 // First part of VCTCC
922 // skewed transition cone from ID=212.7 mm to ID=797 mm
923 conpar[0] = (121.0-0.37-1.35)/2.;
924 conpar[1] = 21.27/2.;
925 conpar[2] = 21.87/2.;
928 gMC->Gsvolu("QA13", "CONE", idtmed[7], conpar, 5);
929 gMC->Gspos("QA13", 1, "ZDCA", 4.-2., 0., conpar[0]+0.37+zd2, irotpipe3, "ONLY");
930 //printf("\n QA13 CONE from z = %f to z = %f\n",zd2,2*conpar[0]+0.37+1.35+zd2);
932 zd2 += 2.*conpar[0]+0.37+1.35;
934 // The following tube ID 797 mm --- (volume QA16)
935 // represents the second part of VCTCC (4272 mm) +
936 // 4 x VCDGA (4 x 4272 mm) +
937 // the first part of VCTCR (850 mm)
940 tubpar[2] = 2221./2.;
941 gMC->Gsvolu("QA14", "TUBE", idtmed[7], tubpar, 3);
942 gMC->Gspos("QA14", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
944 //printf("\n QA14 TUBE from z = %f to z = %f\n",zd2,2*tubpar[2]+zd2);
948 // Second part of VCTCR
949 // Transition from ID=797 mm to ID=196 mm:
950 // in order to simulate the thin window opened in the transition cone
951 // we divide the transition cone in three cones:
952 // (1) 8 mm thick (2) 3 mm thick (3) the third 8 mm thick
955 conpar[0] = 9.09/2.; // 15 degree
957 conpar[2] = 81.3/2.; // thickness 8 mm
958 conpar[3] = 74.82868/2.;
959 conpar[4] = 76.42868/2.; // thickness 8 mm
960 gMC->Gsvolu("QA15", "CONE", idtmed[7], conpar, 5);
961 gMC->Gspos("QA15", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
962 //printf("\n QA15 CONE from z = %f to z = %f\n",zd2,2*conpar[0]+zd2);
967 conpar[0] = 96.2/2.; // 15 degree
968 conpar[1] = 74.82868/2.;
969 conpar[2] = 75.42868/2.; // thickness 3 mm
970 conpar[3] = 23.19588/2.;
971 conpar[4] = 23.79588/2.; // thickness 3 mm
972 gMC->Gsvolu("QA16", "CONE", idtmed[7], conpar, 5);
973 gMC->Gspos("QA16", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
974 //printf("\n QA16 CONE from z = %f to z = %f\n",zd2,2*conpar[0]+zd2);
979 conpar[0] = 6.71/2.; // 15 degree
980 conpar[1] = 23.19588/2.;
981 conpar[2] = 24.79588/2.;// thickness 8 mm
983 conpar[4] = 21.2/2.;// thickness 8 mm
984 gMC->Gsvolu("QA17", "CONE", idtmed[7], conpar, 5);
985 gMC->Gspos("QA17", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
986 //printf("\n QA19 CONE from z = %f to z = %f\n",zd2,2*conpar[0]+zd2);
990 // Third part of VCTCR: tube (ID=196 mm)
994 gMC->Gsvolu("QA18", "TUBE", idtmed[7], tubpar, 3);
995 gMC->Gspos("QA18", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
997 //printf("\n QA18 TUBE from z = %f to z = %f\n",zd2,2*tubpar[2]+zd2);
1001 // Flange (ID=196 mm) (last part of VCTCR and first part of VMZAR)
1002 tubpar[0] = 19.6/2.;
1003 tubpar[1] = 25.3/2.;
1005 gMC->Gsvolu("QF01", "TUBE", idtmed[7], tubpar, 3);
1006 gMC->Gspos("QF01", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1008 //printf("\n QF01 TUBE from z = %f to z = %f\n",zd2,2*tubpar[2]+zd2);
1010 zd2 += 2.*tubpar[2];
1012 // VMZAR (5 volumes)
1013 tubpar[0] = 20.2/2.;
1014 tubpar[1] = 20.6/2.;
1015 tubpar[2] = 2.15/2.;
1016 gMC->Gsvolu("QA19", "TUBE", idtmed[7], tubpar, 3);
1017 gMC->Gspos("QA19", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1019 //printf("\n QA19 TUBE from z = %f to z = %f\n",zd2,2*tubpar[2]+zd2);
1021 zd2 += 2.*tubpar[2];
1024 conpar[1] = 20.2/2.;
1025 conpar[2] = 20.6/2.;
1026 conpar[3] = 23.9/2.;
1027 conpar[4] = 24.3/2.;
1028 gMC->Gsvolu("QA20", "CONE", idtmed[7], conpar, 5);
1029 gMC->Gspos("QA20", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1031 //printf("\n QA20 CONE from z = %f to z = %f\n",zd2,2*conpar[0]+zd2);
1033 zd2 += 2.*conpar[0];
1035 tubpar[0] = 23.9/2.;
1036 tubpar[1] = 25.5/2.;
1037 tubpar[2] = 17.0/2.;
1038 gMC->Gsvolu("QA21", "TUBE", idtmed[7], tubpar, 3);
1039 gMC->Gspos("QA21", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1041 //printf("\n QA21 TUBE from z = %f to z = %f\n",zd2,2*tubpar[2]+zd2);
1043 zd2 += 2.*tubpar[2];
1046 conpar[1] = 23.9/2.;
1047 conpar[2] = 24.3/2.;
1048 conpar[3] = 20.2/2.;
1049 conpar[4] = 20.6/2.;
1050 gMC->Gsvolu("QA22", "CONE", idtmed[7], conpar, 5);
1051 gMC->Gspos("QA22", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1053 //printf("\n QA22 CONE from z = %f to z = %f\n",zd2,2*conpar[0]+zd2);
1055 zd2 += 2.*conpar[0];
1057 tubpar[0] = 20.2/2.;
1058 tubpar[1] = 20.6/2.;
1059 tubpar[2] = 2.15/2.;
1060 gMC->Gsvolu("QA23", "TUBE", idtmed[7], tubpar, 3);
1061 gMC->Gspos("QA23", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1063 //printf("\n QA23 TUBE from z = %f to z = %f\n",zd2,2*tubpar[2]+zd2);
1065 zd2 += 2.*tubpar[2];
1067 // Flange (ID=196 mm)(last part of VMZAR and first part of VCTYD)
1068 tubpar[0] = 19.6/2.;
1069 tubpar[1] = 25.3/2.;
1071 gMC->Gsvolu("QF02", "TUBE", idtmed[7], tubpar, 3);
1072 gMC->Gspos("QF02", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1074 //printf("\n QF02 TUBE from z = %f to z = %f\n",zd2,2*tubpar[2]+zd2);
1076 zd2 += 2.*tubpar[2];
1078 // simulation of the trousers (VCTYB)
1079 tubpar[0] = 19.6/2.;
1080 tubpar[1] = 20.0/2.;
1082 gMC->Gsvolu("QA24", "TUBE", idtmed[7], tubpar, 3);
1083 gMC->Gspos("QA24", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1085 //printf("\n QA24 TUBE from z = %f to z = %f\n",zd2,2*tubpar[2]+zd2);
1087 zd2 += 2.*tubpar[2];
1089 // transition cone from ID=196. to ID=216.6
1090 conpar[0] = 32.55/2.;
1091 conpar[1] = 19.6/2.;
1092 conpar[2] = 20.0/2.;
1093 conpar[3] = 21.66/2.;
1094 conpar[4] = 22.06/2.;
1095 gMC->Gsvolu("QA25", "CONE", idtmed[7], conpar, 5);
1096 gMC->Gspos("QA25", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1098 //printf("\n QA25 CONE from z = %f to z = %f\n",zd2,2*conpar[0]+zd2);
1100 zd2 += 2.*conpar[0];
1103 tubpar[0] = 21.66/2.;
1104 tubpar[1] = 22.06/2.;
1105 tubpar[2] = 28.6/2.;
1106 gMC->Gsvolu("QA26", "TUBE", idtmed[7], tubpar, 3);
1107 gMC->Gspos("QA26", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1109 //printf("\n QA26 TUBE from z = %f to z = %f\n",zd2,2*tubpar[2]+zd2);
1111 zd2 += 2.*tubpar[2];
1113 // --------------------------------------------------------
1114 // RECOMBINATION CHAMBER IMPLEMENTED USING TGeo CLASSES!!!!
1115 // author: Chiara (June 2008)
1116 // --------------------------------------------------------
1117 // TRANSFORMATION MATRICES
1118 // Combi transformation:
1123 thx = 84.989100; phx = 0.000000;
1124 thy = 90.000000; phy = 90.000000;
1125 thz = 5.010900; phz = 180.000000;
1126 TGeoRotation *rotMatrix1 = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
1127 // Combi transformation:
1131 TGeoCombiTrans *rotMatrix2 = new TGeoCombiTrans("ZDC_c1", dx,dy,dz,rotMatrix1);
1132 rotMatrix2->RegisterYourself();
1133 // Combi transformation:
1138 thx = 95.010900; phx = 0.000000;
1139 thy = 90.000000; phy = 90.000000;
1140 thz = 5.010900; phz = 0.000000;
1141 TGeoRotation *rotMatrix3 = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
1142 TGeoCombiTrans *rotMatrix4 = new TGeoCombiTrans("ZDC_c2", dx,dy,dz,rotMatrix3);
1143 rotMatrix4->RegisterYourself();
1146 // VOLUMES DEFINITION
1148 TGeoVolume *pZDCA = gGeoManager->GetVolume("ZDCA");
1150 conpar[0] = (90.1-0.95-0.26)/2.;
1152 conpar[2] = 21.6/2.;
1155 new TGeoCone("QALext", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
1157 conpar[0] = (90.1-0.95-0.26)/2.;
1159 conpar[2] = 21.2/2.;
1162 new TGeoCone("QALint", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
1165 TGeoCompositeShape *pOutTrousers = new TGeoCompositeShape("outTrousers", "QALext:ZDC_c1+QALext:ZDC_c2");
1168 //TGeoMedium *medZDCFe = gGeoManager->GetMedium("ZDC_ZIRON");
1169 TGeoVolume *pQALext = new TGeoVolume("QALext",pOutTrousers, medZDCFe);
1170 pQALext->SetLineColor(kBlue);
1171 pQALext->SetVisLeaves(kTRUE);
1173 TGeoTranslation *tr1 = new TGeoTranslation(0., 0., (Double_t) conpar[0]+0.95+zd2);
1174 pZDCA->AddNode(pQALext, 1, tr1);
1176 TGeoCompositeShape *pIntTrousers = new TGeoCompositeShape("intTrousers", "QALint:ZDC_c1+QALint:ZDC_c2");
1178 //TGeoMedium *medZDCvoid = gGeoManager->GetMedium("ZDC_ZVOID");
1179 TGeoVolume *pQALint = new TGeoVolume("QALint",pIntTrousers, medZDCvoid);
1180 pQALint->SetLineColor(kAzure);
1181 pQALint->SetVisLeaves(kTRUE);
1182 pQALext->AddNode(pQALint, 1);
1186 // second section : 2 tubes (ID = 54. OD = 58.)
1189 tubpar[2] = 40.0/2.;
1190 gMC->Gsvolu("QA27", "TUBE", idtmed[7], tubpar, 3);
1191 gMC->Gspos("QA27", 1, "ZDCA", -15.8/2., 0., tubpar[2]+zd2, 0, "ONLY");
1192 gMC->Gspos("QA27", 2, "ZDCA", 15.8/2., 0., tubpar[2]+zd2, 0, "ONLY");
1194 //printf("\n QA27 TUBE from z = %f to z = %f\n",zd2,2*tubpar[2]+zd2);
1196 zd2 += 2.*tubpar[2];
1198 // transition x2zdc to recombination chamber : skewed cone
1199 conpar[0] = (10.-1.)/2.;
1204 gMC->Gsvolu("QA28", "CONE", idtmed[7], conpar, 5);
1205 gMC->Gspos("QA28", 1, "ZDCA", -7.9-0.175, 0., conpar[0]+0.5+zd2, irotpipe3, "ONLY");
1206 gMC->Gspos("QA28", 2, "ZDCA", 7.9+0.175, 0., conpar[0]+0.5+zd2, irotpipe4, "ONLY");
1207 //printf("\n QA28 CONE from z = %f to z = %f\n",zd2,2*conpar[0]+0.2+zd2);
1209 zd2 += 2.*conpar[0]+1.;
1211 // 2 tubes (ID = 63 mm OD=70 mm)
1214 tubpar[2] = (342.5+498.3)/2.;
1215 gMC->Gsvolu("QA29", "TUBE", idtmed[7], tubpar, 3);
1216 gMC->Gspos("QA29", 1, "ZDCA", -16.5/2., 0., tubpar[2]+zd2, 0, "ONLY");
1217 gMC->Gspos("QA29", 2, "ZDCA", 16.5/2., 0., tubpar[2]+zd2, 0, "ONLY");
1218 //printf("\n QA29 TUBE from z = %f to z = %f\n",zd2,2*tubpar[2]+zd2);
1220 zd2 += 2.*tubpar[2];
1222 // -- Luminometer (Cu box) in front of ZN - side A
1226 gMC->Gsvolu("QLUA", "BOX ", idtmed[6], boxpar, 3);
1227 gMC->Gspos("QLUA", 1, "ZDCA", 0., 0., fPosZNA[2]-66.-boxpar[2], 0, "ONLY");
1228 //printf("\n QLUA LUMINOMETER from z = %f to z = %f\n\n", fPosZNA[2]-66., fPosZNA[2]-66.-2*boxpar[2]);
1230 //printf("\n END OF BEAM PIPE VOLUME DEFINITION AT z = %f\n",zd2);
1233 // ----------------------------------------------------------------
1234 // -- MAGNET DEFINITION -> LHC OPTICS 6.5
1235 // ----------------------------------------------------------------
1236 // ***************************************************************
1237 // SIDE C - RB26 (dimuon side)
1238 // ***************************************************************
1239 // -- COMPENSATOR DIPOLE (MBXW)
1242 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1245 tubpar[2] = 153./2.;
1246 gMC->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3);
1251 tubpar[2] = 153./2.;
1252 gMC->Gsvolu("YMBX", "TUBE", idtmed[7], tubpar, 3);
1254 gMC->Gspos("MBXW", 1, "ZDCC", 0., 0., -tubpar[2]-zCorrDip, 0, "ONLY");
1255 gMC->Gspos("YMBX", 1, "ZDCC", 0., 0., -tubpar[2]-zCorrDip, 0, "ONLY");
1261 // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT
1263 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1266 tubpar[2] = 637./2.;
1267 gMC->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3);
1272 tubpar[2] = 637./2.;
1273 gMC->Gsvolu("YMQL", "TUBE", idtmed[7], tubpar, 3);
1275 gMC->Gspos("MQXL", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip, 0, "ONLY");
1276 gMC->Gspos("YMQL", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip, 0, "ONLY");
1278 gMC->Gspos("MQXL", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-2400., 0, "ONLY");
1279 gMC->Gspos("YMQL", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-2400., 0, "ONLY");
1282 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1285 tubpar[2] = 550./2.;
1286 gMC->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3);
1291 tubpar[2] = 550./2.;
1292 gMC->Gsvolu("YMQ ", "TUBE", idtmed[7], tubpar, 3);
1294 gMC->Gspos("MQX ", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-908.5, 0, "ONLY");
1295 gMC->Gspos("YMQ ", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-908.5, 0, "ONLY");
1297 gMC->Gspos("MQX ", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-1558.5, 0, "ONLY");
1298 gMC->Gspos("YMQ ", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-1558.5, 0, "ONLY");
1300 // -- SEPARATOR DIPOLE D1
1303 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1306 tubpar[2] = 945./2.;
1307 gMC->Gsvolu("MD1 ", "TUBE", idtmed[11], tubpar, 3);
1309 // -- Insert horizontal Cu plates inside D1
1310 // -- (to simulate the vacuum chamber)
1311 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.98+0.2)*(2.98+0.2)) - 0.05;
1313 boxpar[2] = 945./2.;
1314 gMC->Gsvolu("MD1V", "BOX ", idtmed[6], boxpar, 3);
1315 gMC->Gspos("MD1V", 1, "MD1 ", 0., 2.98+boxpar[1], 0., 0, "ONLY");
1316 gMC->Gspos("MD1V", 2, "MD1 ", 0., -2.98-boxpar[1], 0., 0, "ONLY");
1320 tubpar[1] = 110./2.;
1321 tubpar[2] = 945./2.;
1322 gMC->Gsvolu("YD1 ", "TUBE", idtmed[7], tubpar, 3);
1324 gMC->Gspos("YD1 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD1, 0, "ONLY");
1325 gMC->Gspos("MD1 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD1, 0, "ONLY");
1327 //printf(" MD1 from z = %f to z = %f cm\n",-zD1, -zD1-2*tubpar[2]);
1331 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1334 tubpar[2] = 945./2.;
1335 gMC->Gsvolu("MD2 ", "TUBE", idtmed[11], tubpar, 3);
1340 tubpar[2] = 945./2.;
1341 gMC->Gsvolu("YD2 ", "TUBE", idtmed[7], tubpar, 3);
1343 gMC->Gspos("YD2 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD2, 0, "ONLY");
1345 //printf(" YD2 from z = %f to z = %f cm\n",-zD2, -zD2-2*tubpar[2]);
1347 gMC->Gspos("MD2 ", 1, "YD2 ", -9.4, 0., 0., 0, "ONLY");
1348 gMC->Gspos("MD2 ", 2, "YD2 ", 9.4, 0., 0., 0, "ONLY");
1350 // ***************************************************************
1352 // ***************************************************************
1354 // COMPENSATOR DIPOLE (MCBWA) (2nd compensator)
1355 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1358 tubpar[2] = 153./2.;
1359 gMC->Gsvolu("MCBW", "TUBE", idtmed[11], tubpar, 3);
1360 gMC->Gspos("MCBW", 1, "ZDCA", 0., 0., tubpar[2]+zCorrDip, 0, "ONLY");
1365 tubpar[2] = 153./2.;
1366 gMC->Gsvolu("YMCB", "TUBE", idtmed[7], tubpar, 3);
1367 gMC->Gspos("YMCB", 1, "ZDCA", 0., 0., tubpar[2]+zCorrDip, 0, "ONLY");
1370 // -- DEFINE MQX1 AND MQX2 QUADRUPOLE ELEMENT
1372 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1375 tubpar[2] = 637./2.;
1376 gMC->Gsvolu("MQX1", "TUBE", idtmed[11], tubpar, 3);
1377 gMC->Gsvolu("MQX4", "TUBE", idtmed[11], tubpar, 3);
1382 tubpar[2] = 637./2.;
1383 gMC->Gsvolu("YMQ1", "TUBE", idtmed[7], tubpar, 3);
1386 gMC->Gspos("MQX1", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip, 0, "ONLY");
1387 gMC->Gspos("YMQ1", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip, 0, "ONLY");
1389 // -- BEAM SCREEN FOR Q1
1390 tubpar[0] = 4.78/2.;
1391 tubpar[1] = 5.18/2.;
1392 tubpar[2] = 637./2.;
1393 gMC->Gsvolu("QBS1", "TUBE", idtmed[6], tubpar, 3);
1394 gMC->Gspos("QBS1", 1, "MQX1", 0., 0., 0., 0, "ONLY");
1395 // INSERT VERTICAL PLATE INSIDE Q1
1396 boxpar[0] = 0.2/2.0;
1397 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(1.9+0.2)*(1.9+0.2));
1399 gMC->Gsvolu("QBS2", "BOX ", idtmed[6], boxpar, 3);
1400 gMC->Gspos("QBS2", 1, "MQX1", 1.9+boxpar[0], 0., 0., 0, "ONLY");
1401 gMC->Gspos("QBS2", 2, "MQX1", -1.9-boxpar[0], 0., 0., 0, "ONLY");
1404 gMC->Gspos("MQX4", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+2400., 0, "ONLY");
1405 gMC->Gspos("YMQ1", 2, "ZDCA", 0., 0., tubpar[2]+zInnTrip+2400., 0, "ONLY");
1407 // -- BEAM SCREEN FOR Q3
1408 tubpar[0] = 5.79/2.;
1409 tubpar[1] = 6.14/2.;
1410 tubpar[2] = 637./2.;
1411 gMC->Gsvolu("QBS3", "TUBE", idtmed[6], tubpar, 3);
1412 gMC->Gspos("QBS3", 1, "MQX4", 0., 0., 0., 0, "ONLY");
1413 // INSERT VERTICAL PLATE INSIDE Q3
1414 boxpar[0] = 0.2/2.0;
1415 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(2.405+0.2)*(2.405+0.2));
1417 gMC->Gsvolu("QBS4", "BOX ", idtmed[6], boxpar, 3);
1418 gMC->Gspos("QBS4", 1, "MQX4", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1419 gMC->Gspos("QBS4", 2, "MQX4", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1424 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1427 tubpar[2] = 550./2.;
1428 gMC->Gsvolu("MQX2", "TUBE", idtmed[11], tubpar, 3);
1429 gMC->Gsvolu("MQX3", "TUBE", idtmed[11], tubpar, 3);
1434 tubpar[2] = 550./2.;
1435 gMC->Gsvolu("YMQ2", "TUBE", idtmed[7], tubpar, 3);
1437 // -- BEAM SCREEN FOR Q2
1438 tubpar[0] = 5.79/2.;
1439 tubpar[1] = 6.14/2.;
1440 tubpar[2] = 550./2.;
1441 gMC->Gsvolu("QBS5", "TUBE", idtmed[6], tubpar, 3);
1442 // VERTICAL PLATE INSIDE Q2
1443 boxpar[0] = 0.2/2.0;
1444 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(2.405+0.2)*(2.405+0.2));
1446 gMC->Gsvolu("QBS6", "BOX ", idtmed[6], boxpar, 3);
1449 gMC->Gspos("MQX2", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+908.5, 0, "ONLY");
1450 gMC->Gspos("QBS5", 1, "MQX2", 0., 0., 0., 0, "ONLY");
1451 gMC->Gspos("QBS6", 1, "MQX2", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1452 gMC->Gspos("QBS6", 2, "MQX2", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1453 gMC->Gspos("YMQ2", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+908.5, 0, "ONLY");
1457 gMC->Gspos("MQX3", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+1558.5, 0, "ONLY");
1458 gMC->Gspos("QBS5", 2, "MQX3", 0., 0., 0., 0, "ONLY");
1459 gMC->Gspos("QBS6", 3, "MQX3", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1460 gMC->Gspos("QBS6", 4, "MQX3", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1461 gMC->Gspos("YMQ2", 2, "ZDCA", 0., 0., tubpar[2]+zInnTrip+1558.5, 0, "ONLY");
1463 // -- SEPARATOR DIPOLE D1
1464 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1466 tubpar[1] = 6.75/2.;//3.375
1467 tubpar[2] = 945./2.;
1468 gMC->Gsvolu("MD1L", "TUBE", idtmed[11], tubpar, 3);
1470 // -- The beam screen tube is provided by the beam pipe in D1 (QA03 volume)
1471 // -- Insert the beam screen horizontal Cu plates inside D1
1472 // -- (to simulate the vacuum chamber)
1473 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.885+0.2)*(2.885+0.2));
1476 gMC->Gsvolu("QBS7", "BOX ", idtmed[6], boxpar, 3);
1477 gMC->Gspos("QBS7", 1, "MD1L", 0., 2.885+boxpar[1],0., 0, "ONLY");
1478 gMC->Gspos("QBS7", 2, "MD1L", 0., -2.885-boxpar[1],0., 0, "ONLY");
1483 tubpar[2] = 945./2.;
1484 gMC->Gsvolu("YD1L", "TUBE", idtmed[7], tubpar, 3);
1486 gMC->Gspos("YD1L", 1, "ZDCA", 0., 0., tubpar[2]+zD1, 0, "ONLY");
1487 gMC->Gspos("MD1L", 1, "ZDCA", 0., 0., tubpar[2]+zD1, 0, "ONLY");
1490 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1492 tubpar[1] = 7.5/2.; // this has to be checked
1493 tubpar[2] = 945./2.;
1494 gMC->Gsvolu("MD2L", "TUBE", idtmed[11], tubpar, 3);
1499 tubpar[2] = 945./2.;
1500 gMC->Gsvolu("YD2L", "TUBE", idtmed[7], tubpar, 3);
1502 gMC->Gspos("YD2L", 1, "ZDCA", 0., 0., tubpar[2]+zD2, 0, "ONLY");
1504 gMC->Gspos("MD2L", 1, "YD2L", -9.4, 0., 0., 0, "ONLY");
1505 gMC->Gspos("MD2L", 2, "YD2L", 9.4, 0., 0., 0, "ONLY");
1507 // -- END OF MAGNET DEFINITION
1510 //_____________________________________________________________________________
1511 void AliZDCv3::CreateZDC()
1514 // Create the various ZDCs (ZN + ZP)
1517 Float_t dimPb[6], dimVoid[6];
1519 Int_t *idtmed = fIdtmed->GetArray();
1521 // Parameters for hadronic calorimeters geometry
1522 // NB -> parameters used ONLY in CreateZDC()
1523 Float_t fGrvZN[3] = {0.03, 0.03, 50.}; // Grooves for neutron detector
1524 Float_t fGrvZP[3] = {0.04, 0.04, 75.}; // Grooves for proton detector
1525 Int_t fDivZN[3] = {11, 11, 0}; // Division for neutron detector
1526 Int_t fDivZP[3] = {7, 15, 0}; // Division for proton detector
1527 Int_t fTowZN[2] = {2, 2}; // Tower for neutron detector
1528 Int_t fTowZP[2] = {4, 1}; // Tower for proton detector
1530 // Parameters for EM calorimeter geometry
1531 // NB -> parameters used ONLY in CreateZDC()
1532 Float_t kDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
1533 Float_t kFibRadZEM = 0.0315; // External fiber radius (including cladding)
1534 Int_t fDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
1535 Float_t fDimZEM[6] = {fZEMLength, 3.5, 3.5, 45., 0., 0.}; // Dimensions of EM detector
1536 Float_t fFibZEM2 = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-kFibRadZEM;
1537 Float_t fFibZEM[3] = {0., 0.0275, fFibZEM2}; // Fibers for EM calorimeter
1540 //-- Create calorimeters geometry
1542 // -------------------------------------------------------------------------------
1543 //--> Neutron calorimeter (ZN)
1545 gMC->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material
1546 gMC->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material
1547 gMC->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3);
1548 gMC->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3);
1549 gMC->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3);
1550 gMC->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves
1551 gMC->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3);
1552 gMC->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3);
1553 gMC->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3);
1555 // Divide ZNEU in towers (for hits purposes)
1557 gMC->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower
1558 gMC->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower
1560 //-- Divide ZN1 in minitowers
1561 // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS,
1562 // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS
1563 // (4 fibres per minitower)
1565 gMC->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices
1566 gMC->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks
1568 // --- Position the empty grooves in the sticks (4 grooves per stick)
1569 Float_t dx = fDimZN[0] / fDivZN[0] / 4.;
1570 Float_t dy = fDimZN[1] / fDivZN[1] / 4.;
1572 gMC->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY");
1573 gMC->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY");
1574 gMC->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY");
1575 gMC->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY");
1577 // --- Position the fibers in the grooves
1578 gMC->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY");
1579 gMC->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY");
1580 gMC->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY");
1581 gMC->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY");
1583 // --- Position the neutron calorimeter in ZDC
1584 // -- Rotation of ZDCs
1586 gMC->Matrix(irotzdc, 90., 180., 90., 90., 180., 0.);
1588 gMC->Gspos("ZNEU", 1, "ZDCC", fPosZNC[0], fPosZNC[1], fPosZNC[2]-fDimZN[2], irotzdc, "ONLY");
1590 //printf("\n ZN -> %f < z < %f cm\n",fPosZN[2],fPosZN[2]-2*fDimZN[2]);
1592 // --- Position the neutron calorimeter in ZDC2 (left line)
1593 // -- No Rotation of ZDCs
1594 gMC->Gspos("ZNEU", 2, "ZDCA", fPosZNA[0], fPosZNA[1], fPosZNA[2]+fDimZN[2], 0, "ONLY");
1596 //printf("\n ZN left -> %f < z < %f cm\n",fPosZNl[2],fPosZNl[2]+2*fDimZN[2]);
1599 // -------------------------------------------------------------------------------
1600 //--> Proton calorimeter (ZP)
1602 gMC->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material
1603 gMC->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material
1604 gMC->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3);
1605 gMC->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3);
1606 gMC->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3);
1607 gMC->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves
1608 gMC->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3);
1609 gMC->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3);
1610 gMC->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3);
1612 //-- Divide ZPRO in towers(for hits purposes)
1614 gMC->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower
1615 gMC->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower
1618 //-- Divide ZP1 in minitowers
1619 // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER,
1620 // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER
1621 // (4 fiber per minitower)
1623 gMC->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices
1624 gMC->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks
1626 // --- Position the empty grooves in the sticks (4 grooves per stick)
1627 dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.;
1628 dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.;
1630 gMC->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY");
1631 gMC->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY");
1632 gMC->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY");
1633 gMC->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY");
1635 // --- Position the fibers in the grooves
1636 gMC->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY");
1637 gMC->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY");
1638 gMC->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY");
1639 gMC->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY");
1642 // --- Position the proton calorimeter in ZDCC
1643 gMC->Gspos("ZPRO", 1, "ZDCC", fPosZPC[0], fPosZPC[1], fPosZPC[2]-fDimZP[2], irotzdc, "ONLY");
1645 //printf("\n ZP -> %f < z < %f cm\n",fPosZP[2],fPosZP[2]-2*fDimZP[2]);
1647 // --- Position the proton calorimeter in ZDCA
1649 gMC->Gspos("ZPRO", 2, "ZDCA", fPosZPA[0], fPosZPA[1], fPosZPA[2]+fDimZP[2], 0, "ONLY");
1651 //printf("\n ZP left -> %f < z < %f cm\n",fPosZPl[2],fPosZPl[2]+2*fDimZP[2]);
1654 // -------------------------------------------------------------------------------
1655 // -> EM calorimeter (ZEM)
1657 gMC->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6);
1660 gMC->Matrix(irot1,0.,0.,90.,90.,-90.,0.); // Rotation matrix 1
1661 gMC->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]);// Rotation matrix 2
1662 //printf("irot1 = %d, irot2 = %d \n", irot1, irot2);
1664 gMC->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material
1666 gMC->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches
1668 dimPb[0] = kDimZEMPb; // Lead slices
1669 dimPb[1] = fDimZEM[2];
1670 dimPb[2] = fDimZEM[1];
1671 //dimPb[3] = fDimZEM[3]; //controllare
1672 dimPb[3] = 90.-fDimZEM[3]; //originale
1675 gMC->Gsvolu("ZEL0", "PARA", idtmed[5], dimPb, 6);
1676 gMC->Gsvolu("ZEL1", "PARA", idtmed[5], dimPb, 6);
1677 gMC->Gsvolu("ZEL2", "PARA", idtmed[5], dimPb, 6);
1679 // --- Position the lead slices in the tranche
1680 Float_t zTran = fDimZEM[0]/fDivZEM[2];
1681 Float_t zTrPb = -zTran+kDimZEMPb;
1682 gMC->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY");
1683 gMC->Gspos("ZEL1", 1, "ZETR", kDimZEMPb, 0., 0., 0, "ONLY");
1685 // --- Vacuum zone (to be filled with fibres)
1686 dimVoid[0] = (zTran-2*kDimZEMPb)/2.;
1687 dimVoid[1] = fDimZEM[2];
1688 dimVoid[2] = fDimZEM[1];
1689 dimVoid[3] = 90.-fDimZEM[3];
1692 gMC->Gsvolu("ZEV0", "PARA", idtmed[10], dimVoid,6);
1693 gMC->Gsvolu("ZEV1", "PARA", idtmed[10], dimVoid,6);
1695 // --- Divide the vacuum slice into sticks along x axis
1696 gMC->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3);
1697 gMC->Gsdvn("ZES1", "ZEV1", fDivZEM[0], 3);
1699 // --- Positioning the fibers into the sticks
1700 gMC->Gspos("ZEMF", 1,"ZES0", 0., 0., 0., irot2, "ONLY");
1701 gMC->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY");
1703 // --- Positioning the vacuum slice into the tranche
1704 //Float_t displFib = fDimZEM[1]/fDivZEM[0];
1705 gMC->Gspos("ZEV0", 1,"ZETR", -dimVoid[0], 0., 0., 0, "ONLY");
1706 gMC->Gspos("ZEV1", 1,"ZETR", -dimVoid[0]+zTran, 0., 0., 0, "ONLY");
1708 // --- Positioning the ZEM into the ZDC - rotation for 90 degrees
1709 // NB -> ZEM is positioned in ALIC (instead of in ZDC) volume
1710 gMC->Gspos("ZEM ", 1,"ALIC", -fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
1712 // Second EM ZDC (same side w.r.t. IP, just on the other side w.r.t. beam pipe)
1713 gMC->Gspos("ZEM ", 2,"ALIC", fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
1715 // --- Adding last slice at the end of the EM calorimeter
1716 Float_t zLastSlice = fPosZEM[2]+kDimZEMPb+2*fDimZEM[0];
1717 gMC->Gspos("ZEL2", 1,"ALIC", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY");
1719 //printf("\n ZEM lenght = %f cm\n",2*fZEMLength);
1720 //printf("\n ZEM -> %f < z < %f cm\n",fPosZEM[2],fPosZEM[2]+2*fZEMLength+zLastSlice+kDimZEMPb);
1724 //_____________________________________________________________________________
1725 void AliZDCv3::DrawModule() const
1728 // Draw a shaded view of the Zero Degree Calorimeter version 1
1731 // Set everything unseen
1732 gMC->Gsatt("*", "seen", -1);
1734 // Set ALIC mother transparent
1735 gMC->Gsatt("ALIC","SEEN",0);
1737 // Set the volumes visible
1738 gMC->Gsatt("ZDCC","SEEN",0);
1739 gMC->Gsatt("QT01","SEEN",1);
1740 gMC->Gsatt("QT02","SEEN",1);
1741 gMC->Gsatt("QT03","SEEN",1);
1742 gMC->Gsatt("QT04","SEEN",1);
1743 gMC->Gsatt("QT05","SEEN",1);
1744 gMC->Gsatt("QT06","SEEN",1);
1745 gMC->Gsatt("QT07","SEEN",1);
1746 gMC->Gsatt("QT08","SEEN",1);
1747 gMC->Gsatt("QT09","SEEN",1);
1748 gMC->Gsatt("QT10","SEEN",1);
1749 gMC->Gsatt("QT11","SEEN",1);
1750 gMC->Gsatt("QT12","SEEN",1);
1751 gMC->Gsatt("QT13","SEEN",1);
1752 gMC->Gsatt("QT14","SEEN",1);
1753 gMC->Gsatt("QT15","SEEN",1);
1754 gMC->Gsatt("QT16","SEEN",1);
1755 gMC->Gsatt("QT17","SEEN",1);
1756 gMC->Gsatt("QT18","SEEN",1);
1757 gMC->Gsatt("QC01","SEEN",1);
1758 gMC->Gsatt("QC02","SEEN",1);
1759 gMC->Gsatt("QC03","SEEN",1);
1760 gMC->Gsatt("QC04","SEEN",1);
1761 gMC->Gsatt("QC05","SEEN",1);
1762 gMC->Gsatt("QTD1","SEEN",1);
1763 gMC->Gsatt("QTD2","SEEN",1);
1764 gMC->Gsatt("QTD3","SEEN",1);
1765 gMC->Gsatt("MQXL","SEEN",1);
1766 gMC->Gsatt("YMQL","SEEN",1);
1767 gMC->Gsatt("MQX ","SEEN",1);
1768 gMC->Gsatt("YMQ ","SEEN",1);
1769 gMC->Gsatt("ZQYX","SEEN",1);
1770 gMC->Gsatt("MD1 ","SEEN",1);
1771 gMC->Gsatt("MD1V","SEEN",1);
1772 gMC->Gsatt("YD1 ","SEEN",1);
1773 gMC->Gsatt("MD2 ","SEEN",1);
1774 gMC->Gsatt("YD2 ","SEEN",1);
1775 gMC->Gsatt("ZNEU","SEEN",0);
1776 gMC->Gsatt("ZNF1","SEEN",0);
1777 gMC->Gsatt("ZNF2","SEEN",0);
1778 gMC->Gsatt("ZNF3","SEEN",0);
1779 gMC->Gsatt("ZNF4","SEEN",0);
1780 gMC->Gsatt("ZNG1","SEEN",0);
1781 gMC->Gsatt("ZNG2","SEEN",0);
1782 gMC->Gsatt("ZNG3","SEEN",0);
1783 gMC->Gsatt("ZNG4","SEEN",0);
1784 gMC->Gsatt("ZNTX","SEEN",0);
1785 gMC->Gsatt("ZN1 ","COLO",4);
1786 gMC->Gsatt("ZN1 ","SEEN",1);
1787 gMC->Gsatt("ZNSL","SEEN",0);
1788 gMC->Gsatt("ZNST","SEEN",0);
1789 gMC->Gsatt("ZPRO","SEEN",0);
1790 gMC->Gsatt("ZPF1","SEEN",0);
1791 gMC->Gsatt("ZPF2","SEEN",0);
1792 gMC->Gsatt("ZPF3","SEEN",0);
1793 gMC->Gsatt("ZPF4","SEEN",0);
1794 gMC->Gsatt("ZPG1","SEEN",0);
1795 gMC->Gsatt("ZPG2","SEEN",0);
1796 gMC->Gsatt("ZPG3","SEEN",0);
1797 gMC->Gsatt("ZPG4","SEEN",0);
1798 gMC->Gsatt("ZPTX","SEEN",0);
1799 gMC->Gsatt("ZP1 ","COLO",6);
1800 gMC->Gsatt("ZP1 ","SEEN",1);
1801 gMC->Gsatt("ZPSL","SEEN",0);
1802 gMC->Gsatt("ZPST","SEEN",0);
1803 gMC->Gsatt("ZEM ","COLO",7);
1804 gMC->Gsatt("ZEM ","SEEN",1);
1805 gMC->Gsatt("ZEMF","SEEN",0);
1806 gMC->Gsatt("ZETR","SEEN",0);
1807 gMC->Gsatt("ZEL0","SEEN",0);
1808 gMC->Gsatt("ZEL1","SEEN",0);
1809 gMC->Gsatt("ZEL2","SEEN",0);
1810 gMC->Gsatt("ZEV0","SEEN",0);
1811 gMC->Gsatt("ZEV1","SEEN",0);
1812 gMC->Gsatt("ZES0","SEEN",0);
1813 gMC->Gsatt("ZES1","SEEN",0);
1816 gMC->Gdopt("hide", "on");
1817 gMC->Gdopt("shad", "on");
1818 gMC->Gsatt("*", "fill", 7);
1819 gMC->SetClipBox(".");
1820 gMC->SetClipBox("*", 0, 100, -100, 100, 12000, 16000);
1821 gMC->DefaultRange();
1822 gMC->Gdraw("alic", 40, 30, 0, 488, 220, .07, .07);
1823 gMC->Gdhead(1111, "Zero Degree Calorimeter Version 3");
1824 gMC->Gdman(18, 4, "MAN");
1827 //_____________________________________________________________________________
1828 void AliZDCv3::CreateMaterials()
1831 // Create Materials for the Zero Degree Calorimeter
1833 Float_t dens, ubuf[1], wmat[3], a[3], z[3];
1835 // --- W alloy -> ZN passive material
1846 AliMixture(1, "WALL", a, z, dens, 3, wmat);
1848 // --- Brass (CuZn) -> ZP passive material
1856 AliMixture(2, "BRASS", a, z, dens, 2, wmat);
1866 AliMixture(3, "SIO2", a, z, dens, -2, wmat);
1870 AliMaterial(5, "LEAD", 207.19, 82., 11.35, .56, 18.5, ubuf, 1);
1872 // --- Copper (energy loss taken into account)
1874 AliMaterial(6, "COPP0", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
1876 // --- Iron (energy loss taken into account)
1878 AliMaterial(7, "IRON0", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
1880 // --- Iron (no energy loss)
1882 AliMaterial(8, "IRON1", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
1884 // ---------------------------------------------------------
1885 Float_t aResGas[3]={1.008,12.0107,15.9994};
1886 Float_t zResGas[3]={1.,6.,8.};
1887 Float_t wResGas[3]={0.28,0.28,0.44};
1888 Float_t dResGas = 3.2E-14;
1890 // --- Vacuum (no magnetic field)
1891 AliMixture(10, "VOID", aResGas, zResGas, dResGas, 3, wResGas);
1893 // --- Vacuum (with magnetic field)
1894 AliMixture(11, "VOIM", aResGas, zResGas, dResGas, 3, wResGas);
1896 // --- Air (no magnetic field)
1897 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
1898 Float_t zAir[4]={6.,7.,8.,18.};
1899 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
1900 Float_t dAir = 1.20479E-3;
1902 AliMixture(12, "Air $", aAir, zAir, dAir, 4, wAir);
1904 // --- Definition of tracking media:
1906 // --- Tantalum = 1 ;
1908 // --- Fibers (SiO2) = 3 ;
1909 // --- Fibers (SiO2) = 4 ;
1911 // --- Copper (with energy loss)= 6 ;
1912 // --- Copper (with energy loss)= 13 ;
1913 // --- Iron (with energy loss) = 7 ;
1914 // --- Iron (without energy loss) = 8 ;
1915 // --- Vacuum (no field) = 10
1916 // --- Vacuum (with field) = 11
1917 // --- Air (no field) = 12
1919 // ****************************************************
1920 // Tracking media parameters
1922 Float_t epsil = 0.01; // Tracking precision,
1923 Float_t stmin = 0.01; // Min. value 4 max. step (cm)
1924 Float_t stemax = 1.; // Max. step permitted (cm)
1925 Float_t tmaxfd = 0.; // Maximum angle due to field (degrees)
1926 Float_t deemax = -1.; // Maximum fractional energy loss
1927 Float_t nofieldm = 0.; // Max. field value (no field)
1928 Float_t fieldm = 45.; // Max. field value (with field)
1929 Int_t isvol = 0; // ISVOL =0 -> not sensitive volume
1930 Int_t isvolActive = 1; // ISVOL =1 -> sensitive volume
1931 Int_t inofld = 0; // IFIELD=0 -> no magnetic field
1932 Int_t ifield =2; // IFIELD=2 -> magnetic field defined in AliMagFC.h
1933 // *****************************************************
1935 AliMedium(1, "ZTANT", 1, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
1936 AliMedium(2, "ZBRASS",2, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
1937 AliMedium(3, "ZSIO2", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
1938 AliMedium(4, "ZQUAR", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
1939 AliMedium(5, "ZLEAD", 5, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
1940 AliMedium(6, "ZCOPP", 6, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
1941 AliMedium(7, "ZIRON", 7, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
1942 AliMedium(8, "ZIRONN",8, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
1943 AliMedium(10,"ZVOID",10, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
1944 AliMedium(12,"ZAIR", 12, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
1946 AliMedium(11,"ZVOIM",11, isvol, ifield, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1951 //_____________________________________________________________________________
1952 void AliZDCv3::AddAlignableVolumes() const
1955 // Create entries for alignable volumes associating the symbolic volume
1956 // name with the corresponding volume path. Needs to be syncronized with
1957 // eventual changes in the geometry.
1959 TString volpath1 = "ALIC_1/ZDCC_1/ZNEU_1";
1960 TString volpath2 = "ALIC_1/ZDCC_1/ZPRO_1";
1961 TString volpath3 = "ALIC_1/ZDCA_1/ZNEU_2";
1962 TString volpath4 = "ALIC_1/ZDCA_1/ZPRO_2";
1964 TString symname1="ZDC/NeutronZDC_C";
1965 TString symname2="ZDC/ProtonZDC_C";
1966 TString symname3="ZDC/NeutronZDC_A";
1967 TString symname4="ZDC/ProtonZDC_A";
1969 if(!gGeoManager->SetAlignableEntry(symname1.Data(),volpath1.Data()))
1970 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname1.Data(),volpath1.Data()));
1972 if(!gGeoManager->SetAlignableEntry(symname2.Data(),volpath2.Data()))
1973 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname2.Data(),volpath2.Data()));
1975 if(!gGeoManager->SetAlignableEntry(symname3.Data(),volpath3.Data()))
1976 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname1.Data(),volpath1.Data()));
1978 if(!gGeoManager->SetAlignableEntry(symname4.Data(),volpath4.Data()))
1979 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname2.Data(),volpath2.Data()));
1984 //_____________________________________________________________________________
1985 void AliZDCv3::Init()
1988 Int_t *idtmed = fIdtmed->GetArray();
1990 // Thresholds for showering in the ZDCs
1992 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
1993 gMC->Gstpar(idtmed[i], "CUTELE", .001);
1994 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
1995 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
1997 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
1998 gMC->Gstpar(idtmed[i], "CUTELE", .001);
1999 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
2000 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
2002 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
2003 gMC->Gstpar(idtmed[i], "CUTELE", .001);
2004 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
2005 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
2007 // Avoid too detailed showering in TDI
2009 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
2010 gMC->Gstpar(idtmed[i], "CUTELE", .1);
2011 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
2012 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
2014 // Avoid too detailed showering along the beam line
2015 i = 7; //iron with energy loss (ZIRON)
2016 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
2017 gMC->Gstpar(idtmed[i], "CUTELE", .1);
2018 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
2019 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
2021 // Avoid too detailed showering along the beam line
2022 i = 8; //iron with energy loss (ZIRONN)
2023 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
2024 gMC->Gstpar(idtmed[i], "CUTELE", .1);
2025 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
2026 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
2028 // Avoid interaction in fibers (only energy loss allowed)
2029 i = 3; //fibers (ZSI02)
2030 gMC->Gstpar(idtmed[i], "DCAY", 0.);
2031 gMC->Gstpar(idtmed[i], "MULS", 0.);
2032 gMC->Gstpar(idtmed[i], "PFIS", 0.);
2033 gMC->Gstpar(idtmed[i], "MUNU", 0.);
2034 gMC->Gstpar(idtmed[i], "LOSS", 1.);
2035 gMC->Gstpar(idtmed[i], "PHOT", 0.);
2036 gMC->Gstpar(idtmed[i], "COMP", 0.);
2037 gMC->Gstpar(idtmed[i], "PAIR", 0.);
2038 gMC->Gstpar(idtmed[i], "BREM", 0.);
2039 gMC->Gstpar(idtmed[i], "DRAY", 0.);
2040 gMC->Gstpar(idtmed[i], "ANNI", 0.);
2041 gMC->Gstpar(idtmed[i], "HADR", 0.);
2042 i = 4; //fibers (ZQUAR)
2043 gMC->Gstpar(idtmed[i], "DCAY", 0.);
2044 gMC->Gstpar(idtmed[i], "MULS", 0.);
2045 gMC->Gstpar(idtmed[i], "PFIS", 0.);
2046 gMC->Gstpar(idtmed[i], "MUNU", 0.);
2047 gMC->Gstpar(idtmed[i], "LOSS", 1.);
2048 gMC->Gstpar(idtmed[i], "PHOT", 0.);
2049 gMC->Gstpar(idtmed[i], "COMP", 0.);
2050 gMC->Gstpar(idtmed[i], "PAIR", 0.);
2051 gMC->Gstpar(idtmed[i], "BREM", 0.);
2052 gMC->Gstpar(idtmed[i], "DRAY", 0.);
2053 gMC->Gstpar(idtmed[i], "ANNI", 0.);
2054 gMC->Gstpar(idtmed[i], "HADR", 0.);
2056 // Avoid interaction in void
2057 i = 11; //void with field
2058 gMC->Gstpar(idtmed[i], "DCAY", 0.);
2059 gMC->Gstpar(idtmed[i], "MULS", 0.);
2060 gMC->Gstpar(idtmed[i], "PFIS", 0.);
2061 gMC->Gstpar(idtmed[i], "MUNU", 0.);
2062 gMC->Gstpar(idtmed[i], "LOSS", 0.);
2063 gMC->Gstpar(idtmed[i], "PHOT", 0.);
2064 gMC->Gstpar(idtmed[i], "COMP", 0.);
2065 gMC->Gstpar(idtmed[i], "PAIR", 0.);
2066 gMC->Gstpar(idtmed[i], "BREM", 0.);
2067 gMC->Gstpar(idtmed[i], "DRAY", 0.);
2068 gMC->Gstpar(idtmed[i], "ANNI", 0.);
2069 gMC->Gstpar(idtmed[i], "HADR", 0.);
2072 fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material
2073 fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material
2074 fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1
2075 fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2
2076 fMedSensZEM = idtmed[5]; // Sensitive volume: ZEM passive material
2077 fMedSensTDI = idtmed[6]; // Sensitive volume: TDI Cu shield
2078 fMedSensPI = idtmed[7]; // Sensitive volume: beam pipes
2079 fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves
2082 //_____________________________________________________________________________
2083 void AliZDCv3::InitTables()
2086 // Read light tables for Cerenkov light production parameterization
2091 char *lightfName1,*lightfName2,*lightfName3,*lightfName4,
2092 *lightfName5,*lightfName6,*lightfName7,*lightfName8;
2093 FILE *fp1, *fp2, *fp3, *fp4, *fp5, *fp6, *fp7, *fp8;
2095 // --- Reading light tables for ZN
2096 lightfName1 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362207s");
2097 if((fp1 = fopen(lightfName1,"r")) == NULL){
2098 printf("Cannot open file fp1 \n");
2101 lightfName2 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362208s");
2102 if((fp2 = fopen(lightfName2,"r")) == NULL){
2103 printf("Cannot open file fp2 \n");
2106 lightfName3 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362209s");
2107 if((fp3 = fopen(lightfName3,"r")) == NULL){
2108 printf("Cannot open file fp3 \n");
2111 lightfName4 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362210s");
2112 if((fp4 = fopen(lightfName4,"r")) == NULL){
2113 printf("Cannot open file fp4 \n");
2117 for(k=0; k<fNalfan; k++){
2118 for(j=0; j<fNben; j++){
2119 fscanf(fp1,"%f",&fTablen[0][k][j]);
2120 fscanf(fp2,"%f",&fTablen[1][k][j]);
2121 fscanf(fp3,"%f",&fTablen[2][k][j]);
2122 fscanf(fp4,"%f",&fTablen[3][k][j]);
2130 // --- Reading light tables for ZP and ZEM
2131 lightfName5 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552207s");
2132 if((fp5 = fopen(lightfName5,"r")) == NULL){
2133 printf("Cannot open file fp5 \n");
2136 lightfName6 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552208s");
2137 if((fp6 = fopen(lightfName6,"r")) == NULL){
2138 printf("Cannot open file fp6 \n");
2141 lightfName7 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552209s");
2142 if((fp7 = fopen(lightfName7,"r")) == NULL){
2143 printf("Cannot open file fp7 \n");
2146 lightfName8 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552210s");
2147 if((fp8 = fopen(lightfName8,"r")) == NULL){
2148 printf("Cannot open file fp8 \n");
2152 for(k=0; k<fNalfap; k++){
2153 for(j=0; j<fNbep; j++){
2154 fscanf(fp5,"%f",&fTablep[0][k][j]);
2155 fscanf(fp6,"%f",&fTablep[1][k][j]);
2156 fscanf(fp7,"%f",&fTablep[2][k][j]);
2157 fscanf(fp8,"%f",&fTablep[3][k][j]);
2165 //_____________________________________________________________________________
2166 void AliZDCv3::StepManager()
2169 // Routine called at every step in the Zero Degree Calorimeters
2171 Int_t j, vol[2]={0,0}, ibeta=0, ialfa=0, ibe=0, nphe=0;
2172 Float_t hits[11], x[3], xdet[3], um[3], ud[3];
2173 Float_t m=0., ekin=0., destep=0., be=0., out=0.;
2174 // Parametrization for light guide uniformity
2175 // NEW!!! Light guide tilted @ 51 degrees
2176 Float_t guiPar[4]={0.31,-0.0006305,0.01337,0.8895};
2177 Double_t s[3], p[3];
2180 for(j=0;j<11;j++) hits[j]=-999.;
2182 // --- This part is for no shower developement in beam pipe and TDI
2183 // If particle interacts with beam pipe or TDI -> return
2184 if((gMC->CurrentMedium() == fMedSensPI) || (gMC->CurrentMedium() == fMedSensTDI)){
2185 // If option NoShower is set -> StopTrack
2188 gMC->TrackPosition(s[0],s[1],s[2]);
2189 if(gMC->CurrentMedium() == fMedSensPI){
2190 knamed = gMC->CurrentVolName();
2191 if(!strncmp(knamed,"YMQ",3)){
2192 if(s[2]<0) fpLostITC += 1;
2193 else fpLostITA += 1;
2196 else if(!strncmp(knamed,"YD1",3)){
2197 if(s[2]<0) fpLostD1C += 1;
2198 else fpLostD1A += 1;
2201 else if(!strncmp(knamed,"QAL",3)) fnTrou++;
2203 else if(gMC->CurrentMedium() == fMedSensTDI){
2204 knamed = gMC->CurrentVolName();
2205 if(!strncmp(knamed,"MD1",3)){
2206 if(s[2]<0) fpLostD1C += 1;
2207 else fpLostD1A += 1;
2210 else if(!strncmp(knamed,"QTD",3)) fpLostTDI += 1;
2211 else if(!strncmp(knamed,"QLU",3)){
2212 if(s[2]<0) fnLumiC ++;
2218 //gMC->TrackMomentum(p[0], p[1], p[2], p[3]);
2219 //printf("\t Particle: mass = %1.3f, E = %1.3f GeV, pz = %1.2f GeV -> stopped in volume %s\n",
2220 // gMC->TrackMass(), p[3], p[2], gMC->CurrentVolName());
2223 printf("\n\t **********************************\n");
2224 printf("\t ********** Side C **********\n");
2225 printf("\t # of spectators in IT = %d\n",fpLostITC);
2226 printf("\t # of spectators in D1 = %d\n",fpLostD1C);
2227 printf("\t # of spectators in luminometer = %d\n",fnLumiC);
2228 printf("\t ********** Side A **********\n");
2229 printf("\t # of spectators in IT = %d\n",fpLostITA);
2230 printf("\t # of spectators in D1 = %d\n",fpLostD1A);
2231 printf("\t # of spectators in TDI = %d\n",fpLostTDI);
2232 printf("\t # of spectators in luminometer = %d\n",fnLumiA);
2233 printf("\t # of spectators in trousers = %d\n",fnTrou);
2234 printf("\t **********************************\n");
2242 if((gMC->CurrentMedium() == fMedSensZN) || (gMC->CurrentMedium() == fMedSensZP) ||
2243 (gMC->CurrentMedium() == fMedSensGR) || (gMC->CurrentMedium() == fMedSensF1) ||
2244 (gMC->CurrentMedium() == fMedSensF2) || (gMC->CurrentMedium() == fMedSensZEM)){
2247 //Particle coordinates
2248 gMC->TrackPosition(s[0],s[1],s[2]);
2249 for(j=0; j<=2; j++) x[j] = s[j];
2254 // Determine in which ZDC the particle is
2255 knamed = gMC->CurrentVolName();
2256 if(!strncmp(knamed,"ZN",2)){
2257 if(x[2]<0.) vol[0]=1; // ZNC (dimuon side)
2258 else if(x[2]>0.) vol[0]=4; //ZNA
2260 else if(!strncmp(knamed,"ZP",2)){
2261 if(x[2]<0.) vol[0]=2; //ZPC (dimuon side)
2262 else if(x[2]>0.) vol[0]=5; //ZPA
2264 else if(!strncmp(knamed,"ZE",2)) vol[0]=3; //ZEM
2266 // Determine in which quadrant the particle is
2267 if(vol[0]==1){ //Quadrant in ZNC
2268 // Calculating particle coordinates inside ZNC
2269 xdet[0] = x[0]-fPosZNC[0];
2270 xdet[1] = x[1]-fPosZNC[1];
2271 // Calculating quadrant in ZN
2273 if(xdet[1]<=0.) vol[1]=1;
2276 else if(xdet[0]>0.){
2277 if(xdet[1]<=0.) vol[1]=2;
2280 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
2281 printf("\n ZDC StepManager->ERROR in ZN!!! vol[1] = %d, xdet[0] = %f,"
2282 "xdet[1] = %f\n",vol[1], xdet[0], xdet[1]);
2285 else if(vol[0]==2){ //Quadrant in ZPC
2286 // Calculating particle coordinates inside ZPC
2287 xdet[0] = x[0]-fPosZPC[0];
2288 xdet[1] = x[1]-fPosZPC[1];
2289 if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01;
2290 if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01;
2291 // Calculating tower in ZP
2292 Float_t xqZP = xdet[0]/(fDimZP[0]/2.);
2293 for(int i=1; i<=4; i++){
2294 if(xqZP>=(i-3) && xqZP<(i-2)){
2299 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
2300 printf(" ZDC StepManager->ERROR in ZP!!! vol[1] = %d, xdet[0] = %f,"
2301 "xdet[1] = %f\n",vol[1], xdet[0], xdet[1]);
2304 // Quadrant in ZEM: vol[1] = 1 -> particle in 1st ZEM (placed at x = 8.5 cm)
2305 // vol[1] = 2 -> particle in 2nd ZEM (placed at x = -8.5 cm)
2306 else if(vol[0] == 3){
2309 // Particle x-coordinate inside ZEM1
2310 xdet[0] = x[0]-fPosZEM[0];
2314 // Particle x-coordinate inside ZEM2
2315 xdet[0] = x[0]+fPosZEM[0];
2317 xdet[1] = x[1]-fPosZEM[1];
2320 else if(vol[0]==4){ //Quadrant in ZNA
2321 // Calculating particle coordinates inside ZNA
2322 xdet[0] = x[0]-fPosZNA[0];
2323 xdet[1] = x[1]-fPosZNA[1];
2324 // Calculating quadrant in ZNA
2326 if(xdet[1]<=0.) vol[1]=1;
2329 else if(xdet[0]<0.){
2330 if(xdet[1]<=0.) vol[1]=2;
2333 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
2334 printf("\n ZDC StepManager->ERROR in ZNA!!! vol[1] = %d, xdet[0] = %f,"
2335 "xdet[1] = %f\n",vol[1], xdet[0], xdet[1]);
2338 else if(vol[0]==5){ //Quadrant in ZPA
2339 // Calculating particle coordinates inside ZPA
2340 xdet[0] = x[0]-fPosZPA[0];
2341 xdet[1] = x[1]-fPosZPA[1];
2342 if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01;
2343 if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01;
2344 // Calculating tower in ZP
2345 Float_t xqZP = -xdet[0]/(fDimZP[0]/2.);
2346 for(int i=1; i<=4; i++){
2347 if(xqZP>=(i-3) && xqZP<(i-2)){
2352 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
2353 printf(" ZDC StepManager->ERROR in ZPA!!! vol[1] = %d, xdet[0] = %f,"
2354 "xdet[1] = %f\n",vol[1], xdet[0], xdet[1]);
2358 // Store impact point and kinetic energy of the ENTERING particle
2360 if(gMC->IsTrackEntering()){
2362 gMC->TrackMomentum(p[0],p[1],p[2],p[3]);
2364 // Impact point on ZDC
2372 Int_t curTrackN = gAlice->GetMCApp()->GetCurrentTrackNumber();
2373 TParticle *part = (gAlice->GetMCApp())->Particle(curTrackN);
2374 hits[10] = part->GetPdgCode();
2375 //printf("\t PDGCode = %d\n", part->GetPdgCode());
2377 AddHit(curTrackN, vol, hits);
2380 //printf("\t VolName %s -> det %d quad %d - x = %f, y = %f, z = %f\n",
2381 //knamed, vol[0], vol[1], x[0], x[1], x[2]);
2384 printf("\n # of particles in ZNC = %d\n\n",fnDetectedC);
2388 printf("\n # of particles in ZPC = %d\n\n",fpDetectedC);
2392 printf("\n # of particles in ZNA = %d\n\n",fnDetectedA);
2396 printf("\n # of particles in ZPA = %d\n\n",fpDetectedA);
2399 //printf("\t Particle: mass = %1.3f, E = %1.3f GeV, pz = %1.2f GeV -> stopped in volume %s\n",
2400 // gMC->TrackMass(), p[3], p[2], gMC->CurrentVolName());
2407 // Charged particles -> Energy loss
2408 if((destep=gMC->Edep())){
2409 if(gMC->IsTrackStop()){
2410 gMC->TrackMomentum(p[0],p[1],p[2],p[3]);
2411 m = gMC->TrackMass();
2416 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2422 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2428 // *** Light production in fibres
2429 if((gMC->CurrentMedium() == fMedSensF1) || (gMC->CurrentMedium() == fMedSensF2)){
2431 //Select charged particles
2432 if((destep=gMC->Edep())){
2434 // Particle velocity
2436 gMC->TrackMomentum(p[0],p[1],p[2],p[3]);
2437 Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]);
2438 if(p[3] > 0.00001) beta = ptot/p[3];
2440 if(beta<0.67)return;
2441 else if((beta>=0.67) && (beta<=0.75)) ibeta = 0;
2442 else if((beta>0.75) && (beta<=0.85)) ibeta = 1;
2443 else if((beta>0.85) && (beta<=0.95)) ibeta = 2;
2444 else if(beta>0.95) ibeta = 3;
2446 // Angle between particle trajectory and fibre axis
2447 // 1 -> Momentum directions
2451 gMC->Gmtod(um,ud,2);
2452 // 2 -> Angle < limit angle
2453 Double_t alfar = TMath::ACos(ud[2]);
2454 Double_t alfa = alfar*kRaddeg;
2455 if(alfa>=110.) return;
2457 ialfa = Int_t(1.+alfa/2.);
2459 // Distance between particle trajectory and fibre axis
2460 gMC->TrackPosition(s[0],s[1],s[2]);
2461 for(j=0; j<=2; j++){
2464 gMC->Gmtod(x,xdet,1);
2465 if(TMath::Abs(ud[0])>0.00001){
2466 Float_t dcoeff = ud[1]/ud[0];
2467 be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.));
2470 be = TMath::Abs(ud[0]);
2473 ibe = Int_t(be*1000.+1);
2474 //if((vol[0]==1)) radius = fFibZN[1];
2475 //else if((vol[0]==2)) radius = fFibZP[1];
2477 //Looking into the light tables
2478 Float_t charge = gMC->TrackCharge();
2480 if(vol[0]==1 || vol[0]==4) { // (1) ZN fibres
2481 if(ibe>fNben) ibe=fNben;
2482 out = charge*charge*fTablen[ibeta][ialfa][ibe];
2483 nphe = gRandom->Poisson(out);
2485 //if(ibeta==3) printf("\t %f \t %f \t %f\n",alfa, be, out);
2486 //printf("\t ibeta = %d, ialfa = %d, ibe = %d -> nphe = %d\n\n",ibeta,ialfa,ibe,nphe);
2487 if(gMC->CurrentMedium() == fMedSensF1){
2488 hits[7] = nphe; //fLightPMQ
2491 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2495 hits[8] = nphe; //fLightPMC
2497 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2500 else if(vol[0]==2 || vol[0]==5) {// (2) ZP fibres
2501 if(ibe>fNbep) ibe=fNbep;
2502 out = charge*charge*fTablep[ibeta][ialfa][ibe];
2503 nphe = gRandom->Poisson(out);
2504 if(gMC->CurrentMedium() == fMedSensF1){
2505 hits[7] = nphe; //fLightPMQ
2508 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2512 hits[8] = nphe; //fLightPMC
2514 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2517 else if((vol[0]==3)) { // (3) ZEM fibres
2518 if(ibe>fNbep) ibe=fNbep;
2519 out = charge*charge*fTablep[ibeta][ialfa][ibe];
2520 gMC->TrackPosition(s[0],s[1],s[2]);
2525 // z-coordinate from ZEM front face
2526 // NB-> fPosZEM[2]+fZEMLength = -1000.+2*10.3 = 979.69 cm
2527 Float_t z = -xalic[2]+fPosZEM[2]+2*fZEMLength-xalic[1];
2528 //z = xalic[2]-fPosZEM[2]-fZEMLength-xalic[1]*(TMath::Tan(45.*kDegrad));
2529 //printf("\n fPosZEM[2]+2*fZEMLength = %f", fPosZEM[2]+2*fZEMLength);
2530 Float_t guiEff = guiPar[0]*(guiPar[1]*z*z+guiPar[2]*z+guiPar[3]);
2532 nphe = gRandom->Poisson(out);
2533 //printf(" out*guiEff = %f nphe = %d", out, nphe);
2536 hits[8] = nphe; //fLightPMC (ZEM1)
2538 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2541 hits[7] = nphe; //fLightPMQ (ZEM2)
2544 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);