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 the both ZDC set geometry implemented //
22 ///////////////////////////////////////////////////////////////////////
24 // --- Standard libraries
34 #include <TVirtualMC.h>
35 #include <TGeoManager.h>
36 #include <TGeoMatrix.h>
38 #include <TGeoShape.h>
39 #include <TGeoCompositeShape.h>
40 #include <TParticle.h>
42 // --- AliRoot classes
56 //_____________________________________________________________________________
57 AliZDCv3::AliZDCv3() :
86 // Default constructor for Zero Degree Calorimeter
91 //_____________________________________________________________________________
92 AliZDCv3::AliZDCv3(const char *name, const char *title) :
121 // Standard constructor for Zero Degree Calorimeter
124 // Check that DIPO, ABSO, DIPO and SHIL is there (otherwise tracking is wrong!!!)
126 AliModule* pipe=gAlice->GetModule("PIPE");
127 AliModule* abso=gAlice->GetModule("ABSO");
128 AliModule* dipo=gAlice->GetModule("DIPO");
129 AliModule* shil=gAlice->GetModule("SHIL");
130 if((!pipe) || (!abso) || (!dipo) || (!shil)) {
131 Error("Constructor","ZDC needs PIPE, ABSO, DIPO and SHIL!!!\n");
136 for(ip=0; ip<4; ip++){
137 for(kp=0; kp<fNalfap; kp++){
138 for(jp=0; jp<fNbep; jp++){
139 fTablep[ip][kp][jp] = 0;
144 for(in=0; in<4; in++){
145 for(kn=0; kn<fNalfan; kn++){
146 for(jn=0; jn<fNben; jn++){
147 fTablen[in][kn][jn] = 0;
152 // Parameters for hadronic calorimeters geometry
161 fPosZNC[2] = -11600.;
164 fPosZPC[2] = -11600.;
177 // Parameters for EM calorimeter geometry
181 Float_t kDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
182 Float_t kDimZEMAir = 0.001; // scotch
183 Float_t kFibRadZEM = 0.0315; // External fiber radius (including cladding)
184 Int_t kDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
185 Float_t kDimZEM0 = 2*kDivZEM[2]*(kDimZEMPb+kDimZEMAir+kFibRadZEM*(TMath::Sqrt(2.)));
186 fZEMLength = kDimZEM0;
190 //_____________________________________________________________________________
191 void AliZDCv3::CreateGeometry()
194 // Create the geometry for the Zero Degree Calorimeter version 2
195 //* Initialize COMMON block ZDC_CGEOM
202 //_____________________________________________________________________________
203 void AliZDCv3::CreateBeamLine()
206 // Create the beam line elements
209 Float_t zc, zq, zd1, zd2, zql, zd2l;
210 Float_t conpar[9], tubpar[3], tubspar[5], boxpar[3];
212 //-- rotation matrices for the legs
213 Int_t irotpipe7, irotpipe8;
214 gMC->Matrix(irotpipe7,90.-1.0027,0.,90.,90.,1.0027,180.);
215 gMC->Matrix(irotpipe8,90.+1.0027,0.,90.,90.,1.0027,0.);
218 Int_t *idtmed = fIdtmed->GetArray();
220 ////////////////////////////////////////////////////////////////
222 // SIDE C - RB26 (dimuon side) //
224 ///////////////////////////////////////////////////////////////
227 // -- Mother of the ZDCs (Vacuum PCON)
239 gMC->Gsvolu("ZDCC", "PCON", idtmed[10], conpar, 9);
240 gMC->Gspos("ZDCC", 1, "ALIC", 0., 0., 0., 0, "ONLY");
243 // -- FIRST SECTION OF THE BEAM PIPE (from compensator dipole to
244 // the beginning of D1)
247 // From beginning of ZDC volumes to beginning of D1
248 tubpar[2] = (5838.3-zd1)/2.;
249 gMC->Gsvolu("QT01", "TUBE", idtmed[7], tubpar, 3);
250 gMC->Gspos("QT01", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
252 //printf("\n QT01 TUBE pipe from z = %f to z= %f (D1 beg.)\n",-zd1,-2*tubpar[2]-zd1);
254 //-- SECOND SECTION OF THE BEAM PIPE (from the end of D1 to the
257 //-- FROM MAGNETIC BEGINNING OF D1 TO MAGNETIC END OF D1 + 13.5 cm
258 //-- Cylindrical pipe (r = 3.47) + conical flare
260 // -> Beginning of D1
264 tubpar[1] = 3.47+0.2;
265 tubpar[2] = 958.5/2.;
266 gMC->Gsvolu("QT02", "TUBE", idtmed[7], tubpar, 3);
267 gMC->Gspos("QT02", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
269 //printf("\n QT02 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
278 gMC->Gsvolu("QC01", "CONE", idtmed[7], conpar, 5);
279 gMC->Gspos("QC01", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
281 //printf("\n QC01 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1);
288 gMC->Gsvolu("QT03", "TUBE", idtmed[7], tubpar, 3);
289 gMC->Gspos("QT03", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
291 //printf("\n QT03 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
298 gMC->Gsvolu("QT04", "TUBE", idtmed[7], tubpar, 3);
299 gMC->Gspos("QT04", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
301 //printf("\n QT04 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
303 zd1 += tubpar[2] * 2.;
308 gMC->Gsvolu("QT05", "TUBE", idtmed[7], tubpar, 3);
309 gMC->Gspos("QT05", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
311 //printf("\n QT05 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
313 zd1 += tubpar[2] * 2.;
318 gMC->Gsvolu("QT06", "TUBE", idtmed[7], tubpar, 3);
319 gMC->Gspos("QT06", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
321 //printf("\n QT06 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
323 zd1 += tubpar[2] * 2.;
330 gMC->Gsvolu("QC02", "CONE", idtmed[7], conpar, 5);
331 gMC->Gspos("QC02", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
333 //printf("\n QC02 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1);
335 zd1 += conpar[0] * 2.;
340 gMC->Gsvolu("QT07", "TUBE", idtmed[7], tubpar, 3);
341 gMC->Gspos("QT07", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
343 //printf("\n QT07 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
345 zd1 += tubpar[2] * 2.;
352 gMC->Gsvolu("QC03", "CONE", idtmed[7], conpar, 5);
353 gMC->Gspos("QC03", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
355 //printf("\n QC03 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1);
357 zd1 += conpar[0] * 2.;
361 tubpar[2] = 205.8/2.;
362 gMC->Gsvolu("QT08", "TUBE", idtmed[7], tubpar, 3);
363 gMC->Gspos("QT08", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
365 //printf("\n QT08 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
367 zd1 += tubpar[2] * 2.;
371 // QT09 is 10 cm longer to accomodate TDI
372 tubpar[2] = 515.4/2.;
373 gMC->Gsvolu("QT09", "TUBE", idtmed[7], tubpar, 3);
374 gMC->Gspos("QT09", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
376 //printf("\n QT09 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
378 zd1 += tubpar[2] * 2.;
382 // QT10 is 10 cm shorter
384 gMC->Gsvolu("QT10", "TUBE", idtmed[7], tubpar, 3);
385 gMC->Gspos("QT10", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
387 //printf("\n QT10 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
389 zd1 += tubpar[2] * 2.;
393 tubpar[2] = 778.5/2.;
394 gMC->Gsvolu("QT11", "TUBE", idtmed[7], tubpar, 3);
395 gMC->Gspos("QT11", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
397 //printf("\n QT11 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
399 zd1 += tubpar[2] * 2.;
401 conpar[0] = 14.18/2.;
406 gMC->Gsvolu("QC04", "CONE", idtmed[7], conpar, 5);
407 gMC->Gspos("QC04", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
409 //printf("\n QC04 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1);
411 zd1 += conpar[0] * 2.;
416 gMC->Gsvolu("QT12", "TUBE", idtmed[7], tubpar, 3);
417 gMC->Gspos("QT12", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
419 //printf("\n QT12 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
421 zd1 += tubpar[2] * 2.;
423 conpar[0] = 36.86/2.;
428 gMC->Gsvolu("QC05", "CONE", idtmed[7], conpar, 5);
429 gMC->Gspos("QC05", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
431 //printf("\n QC05 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1);
433 zd1 += conpar[0] * 2.;
437 tubpar[2] = 848.6/2.;
438 gMC->Gsvolu("QT13", "TUBE", idtmed[7], tubpar, 3);
439 gMC->Gspos("QT13", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
441 //printf("\n QT13 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
443 zd1 += tubpar[2] * 2.;
445 // --------------------------------------------------------
446 // RECOMBINATION CHAMBER IMPLEMENTED USING TGeo CLASSES!!!!
447 // author: Chiara (August 2008)
448 // --------------------------------------------------------
449 // TRANSFORMATION MATRICES
450 // Combi transformation:
451 Double_t dx = -3.970000;
452 Double_t dy = 0.000000;
455 Double_t thx = 84.989100; Double_t phx = 0.000000;
456 Double_t thy = 90.000000; Double_t phy = 90.000000;
457 Double_t thz = 5.010900; Double_t phz = 180.000000;
458 TGeoRotation *rotMatrix1c = new TGeoRotation("c",thx,phx,thy,phy,thz,phz);
459 // Combi transformation:
463 TGeoCombiTrans *rotMatrix2c = new TGeoCombiTrans("ZDCC_c1", dx,dy,dz,rotMatrix1c);
464 rotMatrix2c->RegisterYourself();
465 // Combi transformation:
470 thx = 95.010900; phx = 0.000000;
471 thy = 90.000000; phy = 90.000000;
472 thz = 5.010900; phz = 0.000000;
473 TGeoRotation *rotMatrix3c = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
474 TGeoCombiTrans *rotMatrix4c = new TGeoCombiTrans("ZDCC_c2", dx,dy,dz,rotMatrix3c);
475 rotMatrix4c->RegisterYourself();
477 // VOLUMES DEFINITION
479 TGeoVolume *pZDCC = gGeoManager->GetVolume("ZDCC");
480 //pZDCC->PrintNodes();
482 conpar[0] = (90.1-0.95-0.26)/2.;
487 TGeoShape *pConeExtC = new TGeoCone("QCLext", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
489 conpar[0] = (90.1-0.95-0.26)/2.;
494 TGeoShape *pConeIntC = new TGeoCone("QCLint", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
497 TGeoCompositeShape *pOutTrousersC = new TGeoCompositeShape("outTrousersC", "QCLext:ZDCC_c1+QCLext:ZDCC_c2");
500 TGeoMedium *medZDCFe = gGeoManager->GetMedium("ZDC_ZIRON");
501 TGeoVolume *pQCLext = new TGeoVolume("QCLext",pOutTrousersC, medZDCFe);
502 pQCLext->SetLineColor(4);
503 pQCLext->SetVisLeaves(kTRUE);
505 TGeoTranslation *tr1c = new TGeoTranslation(0., 0., (Double_t) conpar[0]+0.95+zd1);
506 pZDCC->AddNode(pQCLext, 1, tr1c);
508 TGeoCompositeShape *pIntTrousersC = new TGeoCompositeShape("intTrousersC", "QCLint:ZDCC_c1+QCLint:ZDCC_c2");
510 TGeoMedium *medZDCvoid = gGeoManager->GetMedium("ZDC_ZVOID");
511 TGeoVolume *pQCLint = new TGeoVolume("QCLint",pIntTrousersC, medZDCvoid);
512 pQCLint->SetLineColor(6);
513 pQCLint->SetVisLeaves(kTRUE);
514 pQCLext->AddNode(pQCLint, 1);
518 // second section : 2 tubes (ID = 54. OD = 58.)
522 gMC->Gsvolu("QC14", "TUBE", idtmed[7], tubpar, 3);
523 gMC->Gspos("QC14", 1, "ZDCC", -15.8/2., 0., -tubpar[2]-zd1, 0, "ONLY");
524 gMC->Gspos("QC14", 2, "ZDCC", 15.8/2., 0., -tubpar[2]-zd1, 0, "ONLY");
526 //printf(" QC14 TUBE from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
530 // transition x2zdc to recombination chamber : skewed cone
531 conpar[0] = (10.-0.2)/2.;
536 gMC->Gsvolu("QC15", "CONE", idtmed[7], conpar, 5);
537 gMC->Gspos("QC15", 1, "ZDCC", -7.9-0.175, 0., -conpar[0]-0.1-zd1, irotpipe7, "ONLY");
538 gMC->Gspos("QC15", 2, "ZDCC", 7.9+0.175, 0., -conpar[0]-0.1-zd1, irotpipe8, "ONLY");
539 //printf(" QC15 CONE from z = %f to z= %f\n",-zd1,-2*conpar[0]-0.2-zd1);
541 zd1 += 2.*conpar[0]+0.2;
543 // 2 tubes (ID = 63 mm OD=70 mm)
546 tubpar[2] = 512.9/2.;
547 gMC->Gsvolu("QC16", "TUBE", idtmed[7], tubpar, 3);
548 gMC->Gspos("QC16", 1, "ZDCC", -16.5/2., 0., -tubpar[2]-zd1, 0, "ONLY");
549 gMC->Gspos("QC16", 2, "ZDCC", 16.5/2., 0., -tubpar[2]-zd1, 0, "ONLY");
550 //printf(" QA16 TUBE from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
553 printf("\n END OF SIDE C BEAM PIPE DEFINITION AT z= %f\n",-zd1);
556 // -- Luminometer (Cu box) in front of ZN - side C
560 gMC->Gsvolu("QLUC", "BOX ", idtmed[6], boxpar, 3);
561 gMC->Gspos("QLUC", 1, "ZDCC", 0., 0., fPosZNC[2]+66.+boxpar[2], 0, "ONLY");
562 //printf("\n QLUC LUMINOMETER from z = %f to z= %f\n", fPosZNC[2]+66., fPosZNC[2]+66.+2*boxpar[2]);
564 // -- END OF BEAM PIPE VOLUME DEFINITION FOR SIDE C (RB26 SIDE)
565 // ----------------------------------------------------------------
567 ////////////////////////////////////////////////////////////////
571 ///////////////////////////////////////////////////////////////
573 // Rotation Matrices definition
574 Int_t irotpipe1, irotpipe2;
575 //-- rotation matrices for the tilted cone after the TDI to recenter vacuum chamber
576 gMC->Matrix(irotpipe1,90.-2.2918,0.,90.,90.,2.2918,180.);
577 //-- rotation matrices for the tilted tube before and after the TDI
578 gMC->Matrix(irotpipe2,90.+6.3025,0.,90.,90.,6.3025,0.);
579 /* //-- rotation matrices for the legs
580 Int_t irotpipe7, irotpipe8;
581 gMC->Matrix(irotpipe7,90.-1.0027,0.,90.,90.,1.0027,180.);
582 gMC->Matrix(irotpipe8,90.+1.0027,0.,90.,90.,1.0027,0.);
585 // -- Mother of the ZDCs (Vacuum PCON)
586 zd2 = 1910.22;// zd2 initial value
597 gMC->Gsvolu("ZDCA", "PCON", idtmed[10], conpar, 9);
598 gMC->Gspos("ZDCA", 1, "ALIC", 0., 0., 0., 0, "ONLY");
600 // BEAM PIPE from 19.10 m to inner triplet beginning (22.965 m)
603 tubpar[2] = (386.5 - 0.22)/2.;
604 gMC->Gsvolu("QA01", "TUBE", idtmed[7], tubpar, 3);
605 gMC->Gspos("QA01", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
607 //printf("\n QA01 TUBE from z = %f to z= %f (Inner triplet beg.)\n",zd2,2*tubpar[2]+zd2);
611 // -- FIRST SECTION OF THE BEAM PIPE (from beginning of inner triplet to
615 tubpar[2] = 3541.8/2.;
616 gMC->Gsvolu("QA02", "TUBE", idtmed[7], tubpar, 3);
617 gMC->Gspos("QA02", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
619 //printf("\n QA02 TUBE from z = %f to z= %f (D1 beg.)\n",zd2,2*tubpar[2]+zd2);
624 // -- SECOND SECTION OF THE BEAM PIPE (from the beginning of D1 to the beginning of D2)
626 // FROM (MAGNETIC) BEGINNING OF D1 TO THE (MAGNETIC) END OF D1 + 126.5 cm
627 // CYLINDRICAL PIPE of diameter increasing from 6.75 cm up to 8.0 cm
628 // from magnetic end :
629 // 1) 80.1 cm still with ID = 6.75 radial beam screen
630 // 2) 2.5 cm conical section from ID = 6.75 to ID = 8.0 cm
631 // 3) 43.9 cm straight section (tube) with ID = 8.0 cm
633 //printf("\n Beginning of D1 at z= %f\n",zd2);
637 tubpar[2] = (945.0+80.1)/2.;
638 gMC->Gsvolu("QA03", "TUBE", idtmed[7], tubpar, 3);
639 gMC->Gspos("QA03", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
641 //printf("\n QA03 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
645 // Transition Cone from ID=67.5 mm to ID=80 mm
651 gMC->Gsvolu("QA04", "CONE", idtmed[7], conpar, 5);
652 gMC->Gspos("QA04", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
653 //printf(" QA04 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
660 gMC->Gsvolu("QA05", "TUBE", idtmed[7], tubpar, 3);
661 gMC->Gspos("QA05", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
663 //printf("\n QA05 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
667 // Bellow (ID=80 mm) - length = 0.2 m - VMAA
671 gMC->Gsvolu("QA06", "TUBE", idtmed[7], tubpar, 3);
672 gMC->Gspos("QA06", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
674 //printf(" QA06 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
678 // Beam Position Monitor (ID=80 mm) Cu - BPMSX
682 gMC->Gsvolu("QA07", "TUBE", idtmed[7], tubpar, 3);
683 gMC->Gspos("QA07", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
685 //printf(" QA07 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
689 // First section of VAEHI (tube ID=80mm)
693 gMC->Gsvolu("QAV1", "TUBE", idtmed[7], tubpar, 3);
694 gMC->Gspos("QAV1", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
696 //printf(" QAV1 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
700 // Second section of VAEHI (transition cone from ID=80mm to ID=98mm)
706 gMC->Gsvolu("QAV2", "CONE", idtmed[7], conpar, 5);
707 gMC->Gspos("QAV2", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
708 //printf(" QAV2 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
712 //Third section of VAEHI (transition cone from ID=98mm to ID=90mm)
718 gMC->Gsvolu("QAV3", "CONE", idtmed[7], conpar, 5);
719 gMC->Gspos("QAV3", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
720 //printf(" QAV3 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
724 // Fourth section of VAEHI (tube ID=90mm)
728 gMC->Gsvolu("QAV4", "TUBE", idtmed[7], tubpar, 3);
729 gMC->Gspos("QAV4", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
731 //printf(" QAV4 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
735 //---------------------------- TCDD beginning ----------------------------------
736 // space for the insertion of the collimator TCDD (2 m)
737 // TCDD ZONE - 1st volume
743 gMC->Gsvolu("Q01T", "CONE", idtmed[7], conpar, 5);
744 gMC->Gspos("Q01T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
745 //printf(" Q01T CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
749 // TCDD ZONE - 2nd volume
753 gMC->Gsvolu("Q02T", "TUBE", idtmed[7], tubpar, 3);
754 gMC->Gspos("Q02T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
756 //printf(" Q02T TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
760 // TCDD ZONE - third volume
766 gMC->Gsvolu("Q03T", "CONE", idtmed[7], conpar, 5);
767 gMC->Gspos("Q03T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
768 //printf(" Q03T CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
772 // TCDD ZONE - 4th volume
776 gMC->Gsvolu("Q04T", "TUBE", idtmed[7], tubpar, 3);
777 gMC->Gspos("Q04T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
779 //printf(" Q04T TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
783 // TCDD ZONE - 5th volume
786 tubpar[2] = 100.12/2.;
787 gMC->Gsvolu("Q05T", "TUBE", idtmed[7], tubpar, 3);
788 gMC->Gspos("Q05T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
790 //printf(" Q05T TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
794 // TCDD ZONE - 6th volume
798 gMC->Gsvolu("Q06T", "TUBE", idtmed[7], tubpar, 3);
799 gMC->Gspos("Q06T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
801 //printf(" Q06T TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
805 // TCDD ZONE - 7th volume
806 conpar[0] = 11.34/2.;
811 gMC->Gsvolu("Q07T", "CONE", idtmed[7], conpar, 5);
812 gMC->Gspos("Q07T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
813 //printf(" Q07T CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
817 // Upper section : one single phi segment of a tube
818 // 5 parameters for tubs: inner radius = 0.,
819 // outer radius = 7.5 cm, half length = 50 cm
820 // phi1 = 0., phi2 = 180.
822 tubspar[1] = 15.0/2.;
823 tubspar[2] = 100.0/2.;
826 gMC->Gsvolu("Q08T", "TUBS", idtmed[7], tubspar, 5);
828 //printf("\n upper part : one single phi segment of a tube (Q08T)\n");
830 // rectangular beam pipe inside TCDD upper section (Vacuum)
834 gMC->Gsvolu("Q09T", "BOX ", idtmed[10], boxpar, 3);
835 // positioning vacuum box in the upper section of TCDD
836 gMC->Gspos("Q09T", 1, "Q08T", 0., 1.25, 0., 0, "ONLY");
838 // lower section : one single phi segment of a tube
840 tubspar[1] = 15.0/2.;
841 tubspar[2] = 100.0/2.;
844 gMC->Gsvolu("Q10T", "TUBS", idtmed[7], tubspar, 5);
845 // rectangular beam pipe inside TCDD lower section (Vacuum)
849 gMC->Gsvolu("Q11T", "BOX ", idtmed[10], boxpar, 3);
850 // positioning vacuum box in the lower section of TCDD
851 gMC->Gspos("Q11T", 1, "Q10T", 0., -1.25, 0., 0, "ONLY");
853 // positioning TCDD elements in ZDC2, (inside TCDD volume)
854 gMC->Gspos("Q08T", 1, "ZDCA", 0., 2.5, -100+zd2, 0, "ONLY");
855 gMC->Gspos("Q10T", 1, "ZDCA", 0., -2.5, -100+zd2, 0, "ONLY");
861 gMC->Gsvolu("Q12T", "BOX ", idtmed[7], boxpar, 3);
862 // positioning RF screen at both sides of TCDD
863 gMC->Gspos("Q12T", 1, "ZDCA", tubspar[1]+boxpar[0], 0., -100+zd2, 0, "ONLY");
864 gMC->Gspos("Q12T", 2, "ZDCA", -tubspar[1]-boxpar[0], 0., -100+zd2, 0, "ONLY");
865 //---------------------------- TCDD end ---------------------------------------
867 // Bellow (ID=80 mm) - length = 0.3 m - VMAAB
871 gMC->Gsvolu("QA08", "TUBE", idtmed[7], tubpar, 3);
872 gMC->Gspos("QA08", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
874 //printf(" QA08 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
878 // Flange (ID=80 mm) Cu (first section of VCTCE)
882 gMC->Gsvolu("QA09", "TUBE", idtmed[7], tubpar, 3);
883 gMC->Gspos("QA09", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
885 //printf(" QA09 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
889 // transition cone from ID=80 to ID=212 (second section of VCTCE)
895 gMC->Gsvolu("QA10", "CONE", idtmed[7], conpar, 5);
896 gMC->Gspos("QA10", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
897 //printf(" QA10 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
901 // tube (ID=212 mm) Cu (third section of VCTCE)
904 tubpar[2] = 403.54/2.;
905 gMC->Gsvolu("QA11", "TUBE", idtmed[7], tubpar, 3);
906 gMC->Gspos("QA11", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
908 //printf(" QA11 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
912 // bellow (ID=212 mm) (VMBGA)
916 gMC->Gsvolu("QA12", "TUBE", idtmed[7], tubpar, 3);
917 gMC->Gspos("QA12", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
919 //printf(" QA12 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
923 // TDI valve assembly (ID=212 mm)
927 gMC->Gsvolu("QA13", "TUBE", idtmed[7], tubpar, 3);
928 gMC->Gspos("QA13", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
930 //printf(" QA13 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
934 // bellow (ID=212 mm) (VMBGA)
938 gMC->Gsvolu("QA14", "TUBE", idtmed[7], tubpar, 3);
939 gMC->Gspos("QA14", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
941 //printf(" QA14 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
945 // skewed transition piece (ID=212 mm) (before TDI)
948 tubpar[2] = (20.0-2.41)/2.;
949 gMC->Gsvolu("QA15", "TUBE", idtmed[7], tubpar, 3);
950 gMC->Gspos("QA15", 1, "ZDCA", 1.10446, 0., tubpar[2]+2.41/2.+zd2, irotpipe2, "ONLY");
952 //printf(" QA15 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+2.41+zd2);
954 zd2 += 2.*tubpar[2]+2.41;
956 // Vacuum chamber containing TDI
959 tubpar[2] = 540.0/2.;
960 gMC->Gsvolu("Q13TM", "TUBE", idtmed[10], tubpar, 3);
961 gMC->Gspos("Q13TM", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
964 tubpar[2] = 540.0/2.;
965 gMC->Gsvolu("Q13T", "TUBE", idtmed[7], tubpar, 3);
966 gMC->Gspos("Q13T", 1, "Q13TM", 0., 0., 0., 0, "ONLY");
968 //printf(" Q13T TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
972 //---------------- INSERT TDI INSIDE Q13T -----------------------------------
975 boxpar[2] = 540.0/2.;
976 gMC->Gsvolu("QTD1", "BOX ", idtmed[7], boxpar, 3);
977 gMC->Gspos("QTD1", 1, "Q13TM", -3.8, 10.5, 0., 0, "ONLY");
980 boxpar[2] = 540.0/2.;
981 gMC->Gsvolu("QTD2", "BOX ", idtmed[7], boxpar, 3);
982 gMC->Gspos("QTD2", 1, "Q13TM", -3.8, -10.5, 0., 0, "ONLY");
985 boxpar[2] = 540.0/2.;
986 gMC->Gsvolu("QTD3", "BOX ", idtmed[7], boxpar, 3);
987 gMC->Gspos("QTD3", 1, "Q13TM", -3.8+5.5+boxpar[0], 6.1, 0., 0, "ONLY");
988 gMC->Gspos("QTD3", 2, "Q13TM", -3.8+5.5+boxpar[0], -6.1, 0., 0, "ONLY");
989 gMC->Gspos("QTD3", 3, "Q13TM", -3.8-5.5-boxpar[0], 6.1, 0., 0, "ONLY");
990 gMC->Gspos("QTD3", 4, "Q13TM", -3.8-5.5-boxpar[0], -6.1, 0., 0, "ONLY");
992 tubspar[0] = 12.0/2.;
993 tubspar[1] = 12.4/2.;
994 tubspar[2] = 540.0/2.;
997 gMC->Gsvolu("QTD4", "TUBS", idtmed[7], tubspar, 5);
998 gMC->Gspos("QTD4", 1, "Q13TM", -3.8-10.6, 0., 0., 0, "ONLY");
999 tubspar[0] = 12.0/2.;
1000 tubspar[1] = 12.4/2.;
1001 tubspar[2] = 540.0/2.;
1004 gMC->Gsvolu("QTD5", "TUBS", idtmed[7], tubspar, 5);
1005 gMC->Gspos("QTD5", 1, "Q13TM", -3.8+10.6, 0., 0., 0, "ONLY");
1006 //---------------- END DEFINING TDI INSIDE Q13T -------------------------------
1008 // skewed transition piece (ID=212 mm) (after TDI)
1009 tubpar[0] = 21.2/2.;
1010 tubpar[1] = 21.8/2.;
1011 tubpar[2] = (20.0-2.41)/2.;
1012 gMC->Gsvolu("QA16", "TUBE", idtmed[7], tubpar, 3);
1013 gMC->Gspos("QA16", 1, "ZDCA", 1.10446+2.2, 0., tubpar[2]+2.41/2.+zd2, irotpipe2, "ONLY");
1015 //printf(" QA16 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+2.41+zd2);
1017 zd2 += 2.*tubpar[2]+2.41;
1019 // bellow (ID=212 mm) (VMBGA)
1020 tubpar[0] = 21.2/2.;
1021 tubpar[1] = 21.8/2.;
1022 tubpar[2] = 40.0/2.;
1023 gMC->Gsvolu("QA17", "TUBE", idtmed[7], tubpar, 3);
1024 gMC->Gspos("QA17", 1, "ZDCA", 4.4, 0., tubpar[2]+zd2, 0, "ONLY");
1026 //printf(" QA17 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1028 zd2 += 2.*tubpar[2];
1030 // TDI valve assembly (ID=212 mm)
1031 tubpar[0] = 21.2/2.;
1032 tubpar[1] = 21.8/2.;
1033 tubpar[2] = 30.0/2.;
1034 gMC->Gsvolu("QA18", "TUBE", idtmed[7], tubpar, 3);
1035 gMC->Gspos("QA18", 1, "ZDCA", 4.4, 0., tubpar[2]+zd2, 0, "ONLY");
1037 //printf(" QA18 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1039 zd2 += 2.*tubpar[2];
1041 // bellow (ID=212 mm) (VMBGA)
1042 tubpar[0] = 21.2/2.;
1043 tubpar[1] = 21.8/2.;
1044 tubpar[2] = 40.0/2.;
1045 gMC->Gsvolu("QA19", "TUBE", idtmed[7], tubpar, 3);
1046 gMC->Gspos("QA19", 1, "ZDCA", 4.4, 0., tubpar[2]+zd2, 0, "ONLY");
1048 //printf(" QA19 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1050 zd2 += 2.*tubpar[2];
1052 // vacuum chamber (ID=212 mm) (BTVST)
1053 tubpar[0] = 21.2/2.;
1054 tubpar[1] = 21.8/2.;
1055 tubpar[2] = 50.0/2.;
1056 gMC->Gsvolu("QA20", "TUBE", idtmed[7], tubpar, 3);
1057 gMC->Gspos("QA20", 1, "ZDCA", 4.4, 0., tubpar[2]+zd2, 0, "ONLY");
1059 //printf(" QA20 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1061 zd2 += 2.*tubpar[2];
1063 // bellow (ID=212 mm) (VMBGA) repeated 3 times
1064 tubpar[0] = 21.2/2.;
1065 tubpar[1] = 21.8/2.;
1066 tubpar[2] = 120.0/2.;
1067 gMC->Gsvolu("QA21", "TUBE", idtmed[7], tubpar, 3);
1068 gMC->Gspos("QA21", 1, "ZDCA", 4.4, 0., tubpar[2]+zd2, 0, "ONLY");
1070 //printf(" QA21 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1072 zd2 += 2.*tubpar[2];
1074 // skewed transition cone from ID=212 mm to ID=797 mm SS for the moment
1075 conpar[0] = (110.0-0.44-1.63)/2.;
1076 conpar[1] = 21.2/2.;
1077 conpar[2] = 21.8/2.;
1078 conpar[3] = 79.7/2.;
1079 conpar[4] = 81.3/2.;
1080 gMC->Gsvolu("QA22", "CONE", idtmed[7], conpar, 5);
1081 gMC->Gspos("QA22", 1, "ZDCA", 4.4-2.201, 0., conpar[0]+0.44+zd2, irotpipe1, "ONLY");
1082 //printf(" QA22 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+0.44+1.63+zd2);
1084 zd2 += 2.*conpar[0]+0.44+1.63;
1086 // beam pipe (ID=797 mm) SS
1087 tubpar[0] = 79.7/2.;
1088 tubpar[1] = 81.3/2.;
1089 tubpar[2] = 2393.05/2.;
1090 gMC->Gsvolu("QA23", "TUBE", idtmed[7], tubpar, 3);
1091 gMC->Gspos("QA23", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1093 //printf(" QA23 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1095 zd2 += 2.*tubpar[2];
1097 // Transition from ID=797 mm to ID=196 mm SS for the moment:
1099 // in order to simulate the thin window opened in the transition cone
1100 // we divide the transition cone in three cones:
1101 // the first 8 mm thick
1102 // the second 3 mm thick
1103 // the third 8 mm thick
1106 conpar[0] = 9.09/2.; // 15 degree
1107 conpar[1] = 79.7/2.;
1108 conpar[2] = 81.3/2.; // thickness 8 mm
1109 conpar[3] = 74.82868/2.;
1110 conpar[4] = 76.42868/2.; // thickness 8 mm
1111 gMC->Gsvolu("Q24A", "CONE", idtmed[7], conpar, 5);
1112 gMC->Gspos("Q24A", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1113 //printf(" Q24A CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
1115 zd2 += 2.*conpar[0];
1118 conpar[0] = 96.2/2.; // 15 degree
1119 conpar[1] = 74.82868/2.;
1120 conpar[2] = 75.42868/2.; // thickness 3 mm
1121 conpar[3] = 23.19588/2.;
1122 conpar[4] = 23.79588/2.; // thickness 3 mm
1123 gMC->Gsvolu("QA25", "CONE", idtmed[7], conpar, 5);
1124 gMC->Gspos("QA25", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1125 //printf(" QA25 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
1127 zd2 += 2.*conpar[0];
1130 conpar[0] = 6.71/2.; // 15 degree
1131 conpar[1] = 23.19588/2.;
1132 conpar[2] = 24.79588/2.;// thickness 8 mm
1133 conpar[3] = 19.6/2.;
1134 conpar[4] = 21.2/2.;// thickness 8 mm
1135 gMC->Gsvolu("QA26", "CONE", idtmed[7], conpar, 5);
1136 gMC->Gspos("QA26", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1137 //printf(" QA26 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
1139 zd2 += 2.*conpar[0];
1141 // beam pipe (ID=196 mm)
1142 tubpar[0] = 19.6/2.;
1143 tubpar[1] = 21.2/2.;
1144 tubpar[2] = 9.55/2.;
1145 gMC->Gsvolu("QA27", "TUBE", idtmed[7], tubpar, 3);
1146 gMC->Gspos("QA27", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1148 //printf(" QA27 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1150 zd2 += 2.*tubpar[2];
1152 // Flange (ID=196 mm)
1153 tubpar[0] = 19.6/2.;
1154 tubpar[1] = 25.3/2.;
1156 gMC->Gsvolu("QF01", "TUBE", idtmed[7], tubpar, 3);
1157 gMC->Gspos("QF01", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1159 //printf(" QF01 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1161 zd2 += 2.*tubpar[2];
1163 // Special Warm Module (made by 5 volumes)
1164 tubpar[0] = 20.2/2.;
1165 tubpar[1] = 20.6/2.;
1166 tubpar[2] = 2.15/2.;
1167 gMC->Gsvolu("QA28", "TUBE", idtmed[7], tubpar, 3);
1168 gMC->Gspos("QA28", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1170 //printf(" QA28 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1172 zd2 += 2.*tubpar[2];
1175 conpar[1] = 20.2/2.;
1176 conpar[2] = 20.6/2.;
1177 conpar[3] = 23.9/2.;
1178 conpar[4] = 24.3/2.;
1179 gMC->Gsvolu("QA29", "CONE", idtmed[7], conpar, 5);
1180 gMC->Gspos("QA29", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1182 //printf(" QA29 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
1184 zd2 += 2.*conpar[0];
1186 tubpar[0] = 23.9/2.;
1187 tubpar[1] = 25.5/2.;
1188 tubpar[2] = 17.0/2.;
1189 gMC->Gsvolu("QA30", "TUBE", idtmed[7], tubpar, 3);
1190 gMC->Gspos("QA30", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1192 //printf(" QA30 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1194 zd2 += 2.*tubpar[2];
1197 conpar[1] = 23.9/2.;
1198 conpar[2] = 24.3/2.;
1199 conpar[3] = 20.2/2.;
1200 conpar[4] = 20.6/2.;
1201 gMC->Gsvolu("QA31", "CONE", idtmed[7], conpar, 5);
1202 gMC->Gspos("QA31", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1204 //printf(" QA31 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
1206 zd2 += 2.*conpar[0];
1208 tubpar[0] = 20.2/2.;
1209 tubpar[1] = 20.6/2.;
1210 tubpar[2] = 2.15/2.;
1211 gMC->Gsvolu("QA32", "TUBE", idtmed[7], tubpar, 3);
1212 gMC->Gspos("QA32", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1214 //printf(" QA32 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1216 zd2 += 2.*tubpar[2];
1218 // Flange (ID=196 mm)
1219 tubpar[0] = 19.6/2.;
1220 tubpar[1] = 25.3/2.;
1222 gMC->Gsvolu("QF02", "TUBE", idtmed[7], tubpar, 3);
1223 gMC->Gspos("QF02", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1225 //printf(" QF02 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1227 zd2 += 2.*tubpar[2];
1229 // simulation of the trousers (VCTYB)
1230 // (last design -mail 3/6/05)
1231 // pipe: a tube (ID = 196. OD = 200.)
1232 tubpar[0] = 19.6/2.;
1233 tubpar[1] = 20.0/2.;
1235 gMC->Gsvolu("QA33", "TUBE", idtmed[7], tubpar, 3);
1236 gMC->Gspos("QA33", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1238 //printf(" QA33 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1240 zd2 += 2.*tubpar[2];
1242 // transition cone from ID=196. to ID=216.6
1243 conpar[0] = 32.55/2.;
1244 conpar[1] = 19.6/2.;
1245 conpar[2] = 20.0/2.;
1246 conpar[3] = 21.66/2.;
1247 conpar[4] = 22.06/2.;
1248 gMC->Gsvolu("QA34", "CONE", idtmed[7], conpar, 5);
1249 gMC->Gspos("QA34", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1251 //printf(" QA34 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
1253 zd2 += 2.*conpar[0];
1256 tubpar[0] = 21.66/2.;
1257 tubpar[1] = 22.06/2.;
1258 tubpar[2] = 28.6/2.;
1259 gMC->Gsvolu("QA35", "TUBE", idtmed[7], tubpar, 3);
1260 gMC->Gspos("QA35", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1262 //printf("\n QA35 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1264 zd2 += 2.*tubpar[2];
1266 // --------------------------------------------------------
1267 // RECOMBINATION CHAMBER IMPLEMENTED USING TGeo CLASSES!!!!
1268 // author: Chiara (June 2008)
1269 // --------------------------------------------------------
1270 // TRANSFORMATION MATRICES
1271 // Combi transformation:
1276 thx = 84.989100; phx = 0.000000;
1277 thy = 90.000000; phy = 90.000000;
1278 thz = 5.010900; phz = 180.000000;
1279 TGeoRotation *rotMatrix1 = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
1280 // Combi transformation:
1284 TGeoCombiTrans *rotMatrix2 = new TGeoCombiTrans("ZDC_c1", dx,dy,dz,rotMatrix1);
1285 rotMatrix2->RegisterYourself();
1286 // Combi transformation:
1291 thx = 95.010900; phx = 0.000000;
1292 thy = 90.000000; phy = 90.000000;
1293 thz = 5.010900; phz = 0.000000;
1294 TGeoRotation *rotMatrix3 = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
1295 TGeoCombiTrans *rotMatrix4 = new TGeoCombiTrans("ZDC_c2", dx,dy,dz,rotMatrix3);
1296 rotMatrix4->RegisterYourself();
1299 // VOLUMES DEFINITION
1301 TGeoVolume *pZDCA = gGeoManager->GetVolume("ZDCA");
1302 //pZDCA->PrintNodes();
1304 conpar[0] = (90.1-0.95-0.26)/2.;
1306 conpar[2] = 21.6/2.;
1309 TGeoShape *pConeExt = new TGeoCone("QALext", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
1311 conpar[0] = (90.1-0.95-0.26)/2.;
1313 conpar[2] = 21.2/2.;
1316 TGeoShape *pConeInt = new TGeoCone("QALint", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
1319 TGeoCompositeShape *pOutTrousers = new TGeoCompositeShape("outTrousers", "QALext:ZDC_c1+QALext:ZDC_c2");
1322 //TGeoMedium *medZDCFe = gGeoManager->GetMedium("ZDC_ZIRON");
1323 TGeoVolume *pQALext = new TGeoVolume("QALext",pOutTrousers, medZDCFe);
1324 pQALext->SetLineColor(4);
1325 pQALext->SetVisLeaves(kTRUE);
1327 TGeoTranslation *tr1 = new TGeoTranslation(0., 0., (Double_t) conpar[0]+0.95+zd2);
1328 pZDCA->AddNode(pQALext, 1, tr1);
1330 TGeoCompositeShape *pIntTrousers = new TGeoCompositeShape("intTrousers", "QALint:ZDC_c1+QALint:ZDC_c2");
1332 //TGeoMedium *medZDCvoid = gGeoManager->GetMedium("ZDC_ZVOID");
1333 TGeoVolume *pQALint = new TGeoVolume("QALint",pIntTrousers, medZDCvoid);
1334 pQALint->SetLineColor(7);
1335 pQALint->SetVisLeaves(kTRUE);
1336 pQALext->AddNode(pQALint, 1);
1340 // second section : 2 tubes (ID = 54. OD = 58.)
1343 tubpar[2] = 40.0/2.;
1344 gMC->Gsvolu("QA36", "TUBE", idtmed[7], tubpar, 3);
1345 gMC->Gspos("QA36", 1, "ZDCA", -15.8/2., 0., tubpar[2]+zd2, 0, "ONLY");
1346 gMC->Gspos("QA36", 2, "ZDCA", 15.8/2., 0., tubpar[2]+zd2, 0, "ONLY");
1348 //printf(" QA36 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1350 zd2 += 2.*tubpar[2];
1352 // transition x2zdc to recombination chamber : skewed cone
1353 conpar[0] = (10.-0.2)/2.;
1358 gMC->Gsvolu("QA37", "CONE", idtmed[7], conpar, 5);
1359 gMC->Gspos("QA37", 1, "ZDCA", -7.9-0.175, 0., conpar[0]+0.1+zd2, irotpipe7, "ONLY");
1360 gMC->Gspos("QA37", 2, "ZDCA", 7.9+0.175, 0., conpar[0]+0.1+zd2, irotpipe8, "ONLY");
1361 //printf(" QA37 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+0.2+zd2);
1363 zd2 += 2.*conpar[0]+0.2;
1365 // 2 tubes (ID = 63 mm OD=70 mm)
1368 tubpar[2] = 512.9/2.;
1369 gMC->Gsvolu("QA38", "TUBE", idtmed[7], tubpar, 3);
1370 gMC->Gspos("QA38", 1, "ZDCA", -16.5/2., 0., tubpar[2]+zd2, 0, "ONLY");
1371 gMC->Gspos("QA38", 2, "ZDCA", 16.5/2., 0., tubpar[2]+zd2, 0, "ONLY");
1372 //printf(" QA38 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1374 zd2 += 2.*tubpar[2];
1375 //printf("\n END OF BEAM PIPE VOLUME DEFINITION AT z= %f\n",zd2);
1377 // -- Luminometer (Cu box) in front of ZN - side A
1381 gMC->Gsvolu("QLUA", "BOX ", idtmed[7], boxpar, 3);
1382 gMC->Gspos("QLUA", 1, "ZDCA", 0., 0., fPosZNA[2]-66.-boxpar[2], 0, "ONLY");
1383 //printf("\n QLUC LUMINOMETER from z = %f to z= %f\n\n", fPosZNA[2]-66., fPosZNA[2]-66.-2*boxpar[2]);
1386 // ----------------------------------------------------------------
1387 // -- MAGNET DEFINITION -> LHC OPTICS 6.5
1388 // ----------------------------------------------------------------
1389 // ***************************************************************
1390 // SIDE C - RB26 (dimuon side)
1391 // ***************************************************************
1392 // -- COMPENSATOR DIPOLE (MBXW)
1395 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1398 tubpar[2] = 153./2.;
1399 gMC->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3);
1404 tubpar[2] = 153./2.;
1405 gMC->Gsvolu("YMBX", "TUBE", idtmed[7], tubpar, 3);
1407 gMC->Gspos("MBXW", 1, "ZDCC", 0., 0., -tubpar[2]-zc, 0, "ONLY");
1408 gMC->Gspos("YMBX", 1, "ZDCC", 0., 0., -tubpar[2]-zc, 0, "ONLY");
1414 // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT
1416 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1419 tubpar[2] = 637./2.;
1420 gMC->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3);
1425 tubpar[2] = 637./2.;
1426 gMC->Gsvolu("YMQL", "TUBE", idtmed[7], tubpar, 3);
1428 gMC->Gspos("MQXL", 1, "ZDCC", 0., 0., -tubpar[2]-zq, 0, "ONLY");
1429 gMC->Gspos("YMQL", 1, "ZDCC", 0., 0., -tubpar[2]-zq, 0, "ONLY");
1431 gMC->Gspos("MQXL", 2, "ZDCC", 0., 0., -tubpar[2]-zq-2400., 0, "ONLY");
1432 gMC->Gspos("YMQL", 2, "ZDCC", 0., 0., -tubpar[2]-zq-2400., 0, "ONLY");
1435 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1438 tubpar[2] = 550./2.;
1439 gMC->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3);
1444 tubpar[2] = 550./2.;
1445 gMC->Gsvolu("YMQ ", "TUBE", idtmed[7], tubpar, 3);
1447 gMC->Gspos("MQX ", 1, "ZDCC", 0., 0., -tubpar[2]-zq-908.5, 0, "ONLY");
1448 gMC->Gspos("YMQ ", 1, "ZDCC", 0., 0., -tubpar[2]-zq-908.5, 0, "ONLY");
1450 gMC->Gspos("MQX ", 2, "ZDCC", 0., 0., -tubpar[2]-zq-1558.5, 0, "ONLY");
1451 gMC->Gspos("YMQ ", 2, "ZDCC", 0., 0., -tubpar[2]-zq-1558.5, 0, "ONLY");
1453 // -- SEPARATOR DIPOLE D1
1456 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1459 tubpar[2] = 945./2.;
1460 gMC->Gsvolu("MD1 ", "TUBE", idtmed[11], tubpar, 3);
1462 // -- Insert horizontal Cu plates inside D1
1463 // -- (to simulate the vacuum chamber)
1464 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.98+0.2)*(2.98+0.2)) - 0.05;
1466 boxpar[2] = 945./2.;
1467 gMC->Gsvolu("MD1V", "BOX ", idtmed[6], boxpar, 3);
1468 gMC->Gspos("MD1V", 1, "MD1 ", 0., 2.98+boxpar[1], 0., 0, "ONLY");
1469 gMC->Gspos("MD1V", 2, "MD1 ", 0., -2.98-boxpar[1], 0., 0, "ONLY");
1473 tubpar[1] = 110./2.;
1474 tubpar[2] = 945./2.;
1475 gMC->Gsvolu("YD1 ", "TUBE", idtmed[7], tubpar, 3);
1477 gMC->Gspos("YD1 ", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
1478 gMC->Gspos("MD1 ", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
1480 //printf("\t **** D1 positioned! It goes from z = %1.2f to z = %1.2f cm\n",-zd1, -zd1-2*tubpar[2]);
1483 // --- LHC optics v6.4
1486 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1489 tubpar[2] = 945./2.;
1490 gMC->Gsvolu("MD2 ", "TUBE", idtmed[11], tubpar, 3);
1495 tubpar[2] = 945./2.;
1496 gMC->Gsvolu("YD2 ", "TUBE", idtmed[7], tubpar, 3);
1498 gMC->Gspos("YD2 ", 1, "ZDCC", 0., 0., -tubpar[2]-zd2, 0, "ONLY");
1500 gMC->Gspos("MD2 ", 1, "YD2 ", -9.4, 0., 0., 0, "ONLY");
1501 gMC->Gspos("MD2 ", 2, "YD2 ", 9.4, 0., 0., 0, "ONLY");
1503 // ***************************************************************
1505 // ***************************************************************
1507 // COMPENSATOR DIPOLE (MCBWA) (2nd compensator)
1508 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1511 tubpar[2] = 153./2.;
1512 gMC->Gsvolu("MCBW", "TUBE", idtmed[11], tubpar, 3);
1513 gMC->Gspos("MCBW", 1, "ZDCA", 0., 0., tubpar[2]+1972.5, 0, "ONLY");
1518 tubpar[2] = 153./2.;
1519 gMC->Gsvolu("YMCB", "TUBE", idtmed[7], tubpar, 3);
1520 gMC->Gspos("YMCB", 1, "ZDCA", 0., 0., tubpar[2]+1972.5, 0, "ONLY");
1525 // -- DEFINE MQX1 AND MQX2 QUADRUPOLE ELEMENT
1527 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1530 tubpar[2] = 637./2.;
1531 gMC->Gsvolu("MQX1", "TUBE", idtmed[11], tubpar, 3);
1532 gMC->Gsvolu("MQX4", "TUBE", idtmed[11], tubpar, 3);
1537 tubpar[2] = 637./2.;
1538 gMC->Gsvolu("YMQ1", "TUBE", idtmed[7], tubpar, 3);
1541 gMC->Gspos("MQX1", 1, "ZDCA", 0., 0., tubpar[2]+zql, 0, "ONLY");
1542 gMC->Gspos("YMQ1", 1, "ZDCA", 0., 0., tubpar[2]+zql, 0, "ONLY");
1544 // -- BEAM SCREEN FOR Q1
1545 tubpar[0] = 4.78/2.;
1546 tubpar[1] = 5.18/2.;
1547 tubpar[2] = 637./2.;
1548 gMC->Gsvolu("QBS1", "TUBE", idtmed[6], tubpar, 3);
1549 gMC->Gspos("QBS1", 1, "MQX1", 0., 0., 0., 0, "ONLY");
1550 // INSERT VERTICAL PLATE INSIDE Q1
1551 boxpar[0] = 0.2/2.0;
1552 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(1.9+0.2)*(1.9+0.2));
1554 gMC->Gsvolu("QBS2", "BOX ", idtmed[6], boxpar, 3);
1555 gMC->Gspos("QBS2", 1, "MQX1", 1.9+boxpar[0], 0., 0., 0, "ONLY");
1556 gMC->Gspos("QBS2", 2, "MQX1", -1.9-boxpar[0], 0., 0., 0, "ONLY");
1559 gMC->Gspos("MQX4", 1, "ZDCA", 0., 0., tubpar[2]+zql+2400., 0, "ONLY");
1560 gMC->Gspos("YMQ1", 2, "ZDCA", 0., 0., tubpar[2]+zql+2400., 0, "ONLY");
1562 // -- BEAM SCREEN FOR Q3
1563 tubpar[0] = 5.79/2.;
1564 tubpar[1] = 6.14/2.;
1565 tubpar[2] = 637./2.;
1566 gMC->Gsvolu("QBS3", "TUBE", idtmed[6], tubpar, 3);
1567 gMC->Gspos("QBS3", 1, "MQX4", 0., 0., 0., 0, "ONLY");
1568 // INSERT VERTICAL PLATE INSIDE Q3
1569 boxpar[0] = 0.2/2.0;
1570 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(2.405+0.2)*(2.405+0.2));
1572 gMC->Gsvolu("QBS4", "BOX ", idtmed[6], boxpar, 3);
1573 gMC->Gspos("QBS4", 1, "MQX4", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1574 gMC->Gspos("QBS4", 2, "MQX4", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1579 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1582 tubpar[2] = 550./2.;
1583 gMC->Gsvolu("MQX2", "TUBE", idtmed[11], tubpar, 3);
1584 gMC->Gsvolu("MQX3", "TUBE", idtmed[11], tubpar, 3);
1589 tubpar[2] = 550./2.;
1590 gMC->Gsvolu("YMQ2", "TUBE", idtmed[7], tubpar, 3);
1592 // -- BEAM SCREEN FOR Q2
1593 tubpar[0] = 5.79/2.;
1594 tubpar[1] = 6.14/2.;
1595 tubpar[2] = 550./2.;
1596 gMC->Gsvolu("QBS5", "TUBE", idtmed[6], tubpar, 3);
1597 // VERTICAL PLATE INSIDE Q2
1598 boxpar[0] = 0.2/2.0;
1599 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(2.405+0.2)*(2.405+0.2));
1601 gMC->Gsvolu("QBS6", "BOX ", idtmed[6], boxpar, 3);
1604 gMC->Gspos("MQX2", 1, "ZDCA", 0., 0., tubpar[2]+zql+908.5, 0, "ONLY");
1605 gMC->Gspos("QBS5", 1, "MQX2", 0., 0., 0., 0, "ONLY");
1606 gMC->Gspos("QBS6", 1, "MQX2", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1607 gMC->Gspos("QBS6", 2, "MQX2", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1608 gMC->Gspos("YMQ2", 1, "ZDCA", 0., 0., tubpar[2]+zql+908.5, 0, "ONLY");
1612 gMC->Gspos("MQX3", 1, "ZDCA", 0., 0., tubpar[2]+zql+1558.5, 0, "ONLY");
1613 gMC->Gspos("QBS5", 2, "MQX3", 0., 0., 0., 0, "ONLY");
1614 gMC->Gspos("QBS6", 3, "MQX3", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1615 gMC->Gspos("QBS6", 4, "MQX3", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1616 gMC->Gspos("YMQ2", 2, "ZDCA", 0., 0., tubpar[2]+zql+1558.5, 0, "ONLY");
1618 // -- SEPARATOR DIPOLE D1
1621 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1623 tubpar[1] = 6.75/2.;//3.375
1624 tubpar[2] = 945./2.;
1625 gMC->Gsvolu("MD1L", "TUBE", idtmed[11], tubpar, 3);
1627 // -- The beam screen tube is provided by the beam pipe in D1 (QA03 volume)
1628 // -- Insert the beam screen horizontal Cu plates inside D1
1629 // -- (to simulate the vacuum chamber)
1630 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.885+0.2)*(2.885+0.2));
1633 gMC->Gsvolu("QBS7", "BOX ", idtmed[6], boxpar, 3);
1634 gMC->Gspos("QBS7", 1, "MD1L", 0., 2.885+boxpar[1],0., 0, "ONLY");
1635 gMC->Gspos("QBS7", 2, "MD1L", 0., -2.885-boxpar[1],0., 0, "ONLY");
1640 tubpar[2] = 945./2.;
1641 gMC->Gsvolu("YD1L", "TUBE", idtmed[7], tubpar, 3);
1643 gMC->Gspos("YD1L", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1644 gMC->Gspos("MD1L", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1647 // --- LHC optics v6.5
1650 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1652 tubpar[1] = 7.5/2.; // this has to be checked
1653 tubpar[2] = 945./2.;
1654 gMC->Gsvolu("MD2L", "TUBE", idtmed[11], tubpar, 3);
1659 tubpar[2] = 945./2.;
1660 gMC->Gsvolu("YD2L", "TUBE", idtmed[7], tubpar, 3);
1662 gMC->Gspos("YD2L", 1, "ZDCA", 0., 0., tubpar[2]+zd2l, 0, "ONLY");
1664 gMC->Gspos("MD2L", 1, "YD2L", -9.4, 0., 0., 0, "ONLY");
1665 gMC->Gspos("MD2L", 2, "YD2L", 9.4, 0., 0., 0, "ONLY");
1667 // -- END OF MAGNET DEFINITION
1670 //_____________________________________________________________________________
1671 void AliZDCv3::CreateZDC()
1674 // Create the various ZDCs (ZN + ZP)
1677 Float_t dimPb[6], dimVoid[6];
1679 Int_t *idtmed = fIdtmed->GetArray();
1681 // Parameters for hadronic calorimeters geometry
1682 // NB -> parameters used ONLY in CreateZDC()
1683 Float_t fGrvZN[3] = {0.03, 0.03, 50.}; // Grooves for neutron detector
1684 Float_t fGrvZP[3] = {0.04, 0.04, 75.}; // Grooves for proton detector
1685 Int_t fDivZN[3] = {11, 11, 0}; // Division for neutron detector
1686 Int_t fDivZP[3] = {7, 15, 0}; // Division for proton detector
1687 Int_t fTowZN[2] = {2, 2}; // Tower for neutron detector
1688 Int_t fTowZP[2] = {4, 1}; // Tower for proton detector
1690 // Parameters for EM calorimeter geometry
1691 // NB -> parameters used ONLY in CreateZDC()
1692 Float_t kDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
1693 Float_t kFibRadZEM = 0.0315; // External fiber radius (including cladding)
1694 Int_t fDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
1695 Float_t fDimZEM[6] = {fZEMLength, 3.5, 3.5, 45., 0., 0.}; // Dimensions of EM detector
1696 Float_t fFibZEM2 = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-kFibRadZEM;
1697 Float_t fFibZEM[3] = {0., 0.0275, fFibZEM2}; // Fibers for EM calorimeter
1700 //-- Create calorimeters geometry
1702 // -------------------------------------------------------------------------------
1703 //--> Neutron calorimeter (ZN)
1705 gMC->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material
1706 gMC->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material
1707 gMC->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3);
1708 gMC->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3);
1709 gMC->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3);
1710 gMC->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves
1711 gMC->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3);
1712 gMC->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3);
1713 gMC->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3);
1715 // Divide ZNEU in towers (for hits purposes)
1717 gMC->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower
1718 gMC->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower
1720 //-- Divide ZN1 in minitowers
1721 // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS,
1722 // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS
1723 // (4 fibres per minitower)
1725 gMC->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices
1726 gMC->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks
1728 // --- Position the empty grooves in the sticks (4 grooves per stick)
1729 Float_t dx = fDimZN[0] / fDivZN[0] / 4.;
1730 Float_t dy = fDimZN[1] / fDivZN[1] / 4.;
1732 gMC->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY");
1733 gMC->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY");
1734 gMC->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY");
1735 gMC->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY");
1737 // --- Position the fibers in the grooves
1738 gMC->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY");
1739 gMC->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY");
1740 gMC->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY");
1741 gMC->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY");
1743 // --- Position the neutron calorimeter in ZDC
1744 // -- Rotation of ZDCs
1746 gMC->Matrix(irotzdc, 90., 180., 90., 90., 180., 0.);
1748 gMC->Gspos("ZNEU", 1, "ZDCC", fPosZNC[0], fPosZNC[1], fPosZNC[2]-fDimZN[2], irotzdc, "ONLY");
1750 //printf("\n ZN -> %f < z < %f cm\n",fPosZN[2],fPosZN[2]-2*fDimZN[2]);
1752 // --- Position the neutron calorimeter in ZDC2 (left line)
1753 // -- No Rotation of ZDCs
1754 gMC->Gspos("ZNEU", 2, "ZDCA", fPosZNA[0], fPosZNA[1], fPosZNA[2]+fDimZN[2], 0, "ONLY");
1756 //printf("\n ZN left -> %f < z < %f cm\n",fPosZNl[2],fPosZNl[2]+2*fDimZN[2]);
1759 // -------------------------------------------------------------------------------
1760 //--> Proton calorimeter (ZP)
1762 gMC->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material
1763 gMC->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material
1764 gMC->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3);
1765 gMC->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3);
1766 gMC->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3);
1767 gMC->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves
1768 gMC->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3);
1769 gMC->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3);
1770 gMC->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3);
1772 //-- Divide ZPRO in towers(for hits purposes)
1774 gMC->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower
1775 gMC->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower
1778 //-- Divide ZP1 in minitowers
1779 // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER,
1780 // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER
1781 // (4 fiber per minitower)
1783 gMC->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices
1784 gMC->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks
1786 // --- Position the empty grooves in the sticks (4 grooves per stick)
1787 dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.;
1788 dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.;
1790 gMC->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY");
1791 gMC->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY");
1792 gMC->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY");
1793 gMC->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY");
1795 // --- Position the fibers in the grooves
1796 gMC->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY");
1797 gMC->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY");
1798 gMC->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY");
1799 gMC->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY");
1802 // --- Position the proton calorimeter in ZDCC
1803 gMC->Gspos("ZPRO", 1, "ZDCC", fPosZPC[0], fPosZPC[1], fPosZPC[2]-fDimZP[2], irotzdc, "ONLY");
1805 //printf("\n ZP -> %f < z < %f cm\n",fPosZP[2],fPosZP[2]-2*fDimZP[2]);
1807 // --- Position the proton calorimeter in ZDCA
1809 gMC->Gspos("ZPRO", 2, "ZDCA", fPosZPA[0], fPosZPA[1], fPosZPA[2]+fDimZP[2], 0, "ONLY");
1811 //printf("\n ZP left -> %f < z < %f cm\n",fPosZPl[2],fPosZPl[2]+2*fDimZP[2]);
1814 // -------------------------------------------------------------------------------
1815 // -> EM calorimeter (ZEM)
1817 gMC->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6);
1820 gMC->Matrix(irot1,0.,0.,90.,90.,-90.,0.); // Rotation matrix 1
1821 gMC->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]);// Rotation matrix 2
1822 //printf("irot1 = %d, irot2 = %d \n", irot1, irot2);
1824 gMC->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material
1826 gMC->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches
1828 dimPb[0] = kDimZEMPb; // Lead slices
1829 dimPb[1] = fDimZEM[2];
1830 dimPb[2] = fDimZEM[1];
1831 //dimPb[3] = fDimZEM[3]; //controllare
1832 dimPb[3] = 90.-fDimZEM[3]; //originale
1835 gMC->Gsvolu("ZEL0", "PARA", idtmed[5], dimPb, 6);
1836 gMC->Gsvolu("ZEL1", "PARA", idtmed[5], dimPb, 6);
1837 gMC->Gsvolu("ZEL2", "PARA", idtmed[5], dimPb, 6);
1839 // --- Position the lead slices in the tranche
1840 Float_t zTran = fDimZEM[0]/fDivZEM[2];
1841 Float_t zTrPb = -zTran+kDimZEMPb;
1842 gMC->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY");
1843 gMC->Gspos("ZEL1", 1, "ZETR", kDimZEMPb, 0., 0., 0, "ONLY");
1845 // --- Vacuum zone (to be filled with fibres)
1846 dimVoid[0] = (zTran-2*kDimZEMPb)/2.;
1847 dimVoid[1] = fDimZEM[2];
1848 dimVoid[2] = fDimZEM[1];
1849 dimVoid[3] = 90.-fDimZEM[3];
1852 gMC->Gsvolu("ZEV0", "PARA", idtmed[10], dimVoid,6);
1853 gMC->Gsvolu("ZEV1", "PARA", idtmed[10], dimVoid,6);
1855 // --- Divide the vacuum slice into sticks along x axis
1856 gMC->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3);
1857 gMC->Gsdvn("ZES1", "ZEV1", fDivZEM[0], 3);
1859 // --- Positioning the fibers into the sticks
1860 gMC->Gspos("ZEMF", 1,"ZES0", 0., 0., 0., irot2, "ONLY");
1861 gMC->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY");
1863 // --- Positioning the vacuum slice into the tranche
1864 //Float_t displFib = fDimZEM[1]/fDivZEM[0];
1865 gMC->Gspos("ZEV0", 1,"ZETR", -dimVoid[0], 0., 0., 0, "ONLY");
1866 gMC->Gspos("ZEV1", 1,"ZETR", -dimVoid[0]+zTran, 0., 0., 0, "ONLY");
1868 // --- Positioning the ZEM into the ZDC - rotation for 90 degrees
1869 // NB -> ZEM is positioned in ALIC (instead of in ZDC) volume
1870 gMC->Gspos("ZEM ", 1,"ALIC", -fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
1872 // Second EM ZDC (same side w.r.t. IP, just on the other side w.r.t. beam pipe)
1873 gMC->Gspos("ZEM ", 2,"ALIC", fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
1875 // --- Adding last slice at the end of the EM calorimeter
1876 Float_t zLastSlice = fPosZEM[2]+kDimZEMPb+2*fDimZEM[0];
1877 gMC->Gspos("ZEL2", 1,"ALIC", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY");
1879 //printf("\n ZEM lenght = %f cm\n",2*fZEMLength);
1880 //printf("\n ZEM -> %f < z < %f cm\n",fPosZEM[2],fPosZEM[2]+2*fZEMLength+zLastSlice+kDimZEMPb);
1884 //_____________________________________________________________________________
1885 void AliZDCv3::DrawModule() const
1888 // Draw a shaded view of the Zero Degree Calorimeter version 1
1891 // Set everything unseen
1892 gMC->Gsatt("*", "seen", -1);
1894 // Set ALIC mother transparent
1895 gMC->Gsatt("ALIC","SEEN",0);
1897 // Set the volumes visible
1898 gMC->Gsatt("ZDCC","SEEN",0);
1899 gMC->Gsatt("QT01","SEEN",1);
1900 gMC->Gsatt("QT02","SEEN",1);
1901 gMC->Gsatt("QT03","SEEN",1);
1902 gMC->Gsatt("QT04","SEEN",1);
1903 gMC->Gsatt("QT05","SEEN",1);
1904 gMC->Gsatt("QT06","SEEN",1);
1905 gMC->Gsatt("QT07","SEEN",1);
1906 gMC->Gsatt("QT08","SEEN",1);
1907 gMC->Gsatt("QT09","SEEN",1);
1908 gMC->Gsatt("QT10","SEEN",1);
1909 gMC->Gsatt("QT11","SEEN",1);
1910 gMC->Gsatt("QT12","SEEN",1);
1911 gMC->Gsatt("QT13","SEEN",1);
1912 gMC->Gsatt("QT14","SEEN",1);
1913 gMC->Gsatt("QT15","SEEN",1);
1914 gMC->Gsatt("QT16","SEEN",1);
1915 gMC->Gsatt("QT17","SEEN",1);
1916 gMC->Gsatt("QT18","SEEN",1);
1917 gMC->Gsatt("QC01","SEEN",1);
1918 gMC->Gsatt("QC02","SEEN",1);
1919 gMC->Gsatt("QC03","SEEN",1);
1920 gMC->Gsatt("QC04","SEEN",1);
1921 gMC->Gsatt("QC05","SEEN",1);
1922 gMC->Gsatt("QTD1","SEEN",1);
1923 gMC->Gsatt("QTD2","SEEN",1);
1924 gMC->Gsatt("QTD3","SEEN",1);
1925 gMC->Gsatt("MQXL","SEEN",1);
1926 gMC->Gsatt("YMQL","SEEN",1);
1927 gMC->Gsatt("MQX ","SEEN",1);
1928 gMC->Gsatt("YMQ ","SEEN",1);
1929 gMC->Gsatt("ZQYX","SEEN",1);
1930 gMC->Gsatt("MD1 ","SEEN",1);
1931 gMC->Gsatt("MD1V","SEEN",1);
1932 gMC->Gsatt("YD1 ","SEEN",1);
1933 gMC->Gsatt("MD2 ","SEEN",1);
1934 gMC->Gsatt("YD2 ","SEEN",1);
1935 gMC->Gsatt("ZNEU","SEEN",0);
1936 gMC->Gsatt("ZNF1","SEEN",0);
1937 gMC->Gsatt("ZNF2","SEEN",0);
1938 gMC->Gsatt("ZNF3","SEEN",0);
1939 gMC->Gsatt("ZNF4","SEEN",0);
1940 gMC->Gsatt("ZNG1","SEEN",0);
1941 gMC->Gsatt("ZNG2","SEEN",0);
1942 gMC->Gsatt("ZNG3","SEEN",0);
1943 gMC->Gsatt("ZNG4","SEEN",0);
1944 gMC->Gsatt("ZNTX","SEEN",0);
1945 gMC->Gsatt("ZN1 ","COLO",4);
1946 gMC->Gsatt("ZN1 ","SEEN",1);
1947 gMC->Gsatt("ZNSL","SEEN",0);
1948 gMC->Gsatt("ZNST","SEEN",0);
1949 gMC->Gsatt("ZPRO","SEEN",0);
1950 gMC->Gsatt("ZPF1","SEEN",0);
1951 gMC->Gsatt("ZPF2","SEEN",0);
1952 gMC->Gsatt("ZPF3","SEEN",0);
1953 gMC->Gsatt("ZPF4","SEEN",0);
1954 gMC->Gsatt("ZPG1","SEEN",0);
1955 gMC->Gsatt("ZPG2","SEEN",0);
1956 gMC->Gsatt("ZPG3","SEEN",0);
1957 gMC->Gsatt("ZPG4","SEEN",0);
1958 gMC->Gsatt("ZPTX","SEEN",0);
1959 gMC->Gsatt("ZP1 ","COLO",6);
1960 gMC->Gsatt("ZP1 ","SEEN",1);
1961 gMC->Gsatt("ZPSL","SEEN",0);
1962 gMC->Gsatt("ZPST","SEEN",0);
1963 gMC->Gsatt("ZEM ","COLO",7);
1964 gMC->Gsatt("ZEM ","SEEN",1);
1965 gMC->Gsatt("ZEMF","SEEN",0);
1966 gMC->Gsatt("ZETR","SEEN",0);
1967 gMC->Gsatt("ZEL0","SEEN",0);
1968 gMC->Gsatt("ZEL1","SEEN",0);
1969 gMC->Gsatt("ZEL2","SEEN",0);
1970 gMC->Gsatt("ZEV0","SEEN",0);
1971 gMC->Gsatt("ZEV1","SEEN",0);
1972 gMC->Gsatt("ZES0","SEEN",0);
1973 gMC->Gsatt("ZES1","SEEN",0);
1976 gMC->Gdopt("hide", "on");
1977 gMC->Gdopt("shad", "on");
1978 gMC->Gsatt("*", "fill", 7);
1979 gMC->SetClipBox(".");
1980 gMC->SetClipBox("*", 0, 100, -100, 100, 12000, 16000);
1981 gMC->DefaultRange();
1982 gMC->Gdraw("alic", 40, 30, 0, 488, 220, .07, .07);
1983 gMC->Gdhead(1111, "Zero Degree Calorimeter Version 3");
1984 gMC->Gdman(18, 4, "MAN");
1987 //_____________________________________________________________________________
1988 void AliZDCv3::CreateMaterials()
1991 // Create Materials for the Zero Degree Calorimeter
1993 Float_t dens, ubuf[1], wmat[3], a[3], z[3];
1995 // --- W alloy -> ZN passive material
2006 AliMixture(1, "WALL", a, z, dens, 3, wmat);
2008 // --- Brass (CuZn) -> ZP passive material
2016 AliMixture(2, "BRASS", a, z, dens, 2, wmat);
2026 AliMixture(3, "SIO2", a, z, dens, -2, wmat);
2030 AliMaterial(5, "LEAD", 207.19, 82., 11.35, .56, 18.5, ubuf, 1);
2032 // --- Copper (energy loss taken into account)
2034 AliMaterial(6, "COPP0", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
2036 // --- Iron (energy loss taken into account)
2038 AliMaterial(7, "IRON0", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
2040 // --- Iron (no energy loss)
2042 AliMaterial(8, "IRON1", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
2044 // ---------------------------------------------------------
2045 Float_t aResGas[3]={1.008,12.0107,15.9994};
2046 Float_t zResGas[3]={1.,6.,8.};
2047 Float_t wResGas[3]={0.28,0.28,0.44};
2048 Float_t dResGas = 3.2E-14;
2050 // --- Vacuum (no magnetic field)
2051 AliMixture(10, "VOID", aResGas, zResGas, dResGas, 3, wResGas);
2053 // --- Vacuum (with magnetic field)
2054 AliMixture(11, "VOIM", aResGas, zResGas, dResGas, 3, wResGas);
2056 // --- Air (no magnetic field)
2057 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
2058 Float_t zAir[4]={6.,7.,8.,18.};
2059 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
2060 Float_t dAir = 1.20479E-3;
2062 AliMixture(12, "Air $", aAir, zAir, dAir, 4, wAir);
2064 // --- Definition of tracking media:
2066 // --- Tantalum = 1 ;
2068 // --- Fibers (SiO2) = 3 ;
2069 // --- Fibers (SiO2) = 4 ;
2071 // --- Copper (with energy loss)= 6 ;
2072 // --- Copper (with energy loss)= 13 ;
2073 // --- Iron (with energy loss) = 7 ;
2074 // --- Iron (without energy loss) = 8 ;
2075 // --- Vacuum (no field) = 10
2076 // --- Vacuum (with field) = 11
2077 // --- Air (no field) = 12
2079 // ****************************************************
2080 // Tracking media parameters
2082 Float_t epsil = 0.01; // Tracking precision,
2083 Float_t stmin = 0.01; // Min. value 4 max. step (cm)
2084 Float_t stemax = 1.; // Max. step permitted (cm)
2085 Float_t tmaxfd = 0.; // Maximum angle due to field (degrees)
2086 Float_t deemax = -1.; // Maximum fractional energy loss
2087 Float_t nofieldm = 0.; // Max. field value (no field)
2088 Float_t fieldm = 45.; // Max. field value (with field)
2089 Int_t isvol = 0; // ISVOL =0 -> not sensitive volume
2090 Int_t isvolActive = 1; // ISVOL =1 -> sensitive volume
2091 Int_t inofld = 0; // IFIELD=0 -> no magnetic field
2092 Int_t ifield =2; // IFIELD=2 -> magnetic field defined in AliMagFC.h
2093 // *****************************************************
2095 AliMedium(1, "ZTANT", 1, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2096 AliMedium(2, "ZBRASS",2, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2097 AliMedium(3, "ZSIO2", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2098 AliMedium(4, "ZQUAR", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2099 AliMedium(5, "ZLEAD", 5, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2100 AliMedium(6, "ZCOPP", 6, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2101 AliMedium(7, "ZIRON", 7, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2102 AliMedium(8, "ZIRONN",8, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2103 AliMedium(10,"ZVOID",10, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2104 AliMedium(12,"ZAIR", 12, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2106 AliMedium(11,"ZVOIM",11, isvol, ifield, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
2111 //_____________________________________________________________________________
2112 void AliZDCv3::AddAlignableVolumes() const
2115 // Create entries for alignable volumes associating the symbolic volume
2116 // name with the corresponding volume path. Needs to be syncronized with
2117 // eventual changes in the geometry.
2119 TString volpath1 = "ALIC_1/ZDCC_1/ZNEU_1";
2120 TString volpath2 = "ALIC_1/ZDCC_1/ZPRO_1";
2121 TString volpath3 = "ALIC_1/ZDCA_1/ZNEU_2";
2122 TString volpath4 = "ALIC_1/ZDCA_1/ZPRO_2";
2124 TString symname1="ZDC/NeutronZDC_C";
2125 TString symname2="ZDC/ProtonZDC_C";
2126 TString symname3="ZDC/NeutronZDC_A";
2127 TString symname4="ZDC/ProtonZDC_A";
2129 if(!gGeoManager->SetAlignableEntry(symname1.Data(),volpath1.Data()))
2130 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname1.Data(),volpath1.Data()));
2132 if(!gGeoManager->SetAlignableEntry(symname2.Data(),volpath2.Data()))
2133 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname2.Data(),volpath2.Data()));
2135 if(!gGeoManager->SetAlignableEntry(symname3.Data(),volpath3.Data()))
2136 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname1.Data(),volpath1.Data()));
2138 if(!gGeoManager->SetAlignableEntry(symname4.Data(),volpath4.Data()))
2139 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname2.Data(),volpath2.Data()));
2144 //_____________________________________________________________________________
2145 void AliZDCv3::Init()
2148 Int_t *idtmed = fIdtmed->GetArray();
2150 // Thresholds for showering in the ZDCs
2152 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
2153 gMC->Gstpar(idtmed[i], "CUTELE", .001);
2154 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
2155 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
2157 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
2158 gMC->Gstpar(idtmed[i], "CUTELE", .001);
2159 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
2160 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
2162 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
2163 gMC->Gstpar(idtmed[i], "CUTELE", .001);
2164 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
2165 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
2167 // Avoid too detailed showering in TDI
2169 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
2170 gMC->Gstpar(idtmed[i], "CUTELE", .1);
2171 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
2172 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
2174 // Avoid too detailed showering along the beam line
2175 i = 7; //iron with energy loss (ZIRON)
2176 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
2177 gMC->Gstpar(idtmed[i], "CUTELE", .1);
2178 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
2179 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
2181 // Avoid too detailed showering along the beam line
2182 i = 8; //iron with energy loss (ZIRONN)
2183 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
2184 gMC->Gstpar(idtmed[i], "CUTELE", .1);
2185 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
2186 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
2188 // Avoid interaction in fibers (only energy loss allowed)
2189 i = 3; //fibers (ZSI02)
2190 gMC->Gstpar(idtmed[i], "DCAY", 0.);
2191 gMC->Gstpar(idtmed[i], "MULS", 0.);
2192 gMC->Gstpar(idtmed[i], "PFIS", 0.);
2193 gMC->Gstpar(idtmed[i], "MUNU", 0.);
2194 gMC->Gstpar(idtmed[i], "LOSS", 1.);
2195 gMC->Gstpar(idtmed[i], "PHOT", 0.);
2196 gMC->Gstpar(idtmed[i], "COMP", 0.);
2197 gMC->Gstpar(idtmed[i], "PAIR", 0.);
2198 gMC->Gstpar(idtmed[i], "BREM", 0.);
2199 gMC->Gstpar(idtmed[i], "DRAY", 0.);
2200 gMC->Gstpar(idtmed[i], "ANNI", 0.);
2201 gMC->Gstpar(idtmed[i], "HADR", 0.);
2202 i = 4; //fibers (ZQUAR)
2203 gMC->Gstpar(idtmed[i], "DCAY", 0.);
2204 gMC->Gstpar(idtmed[i], "MULS", 0.);
2205 gMC->Gstpar(idtmed[i], "PFIS", 0.);
2206 gMC->Gstpar(idtmed[i], "MUNU", 0.);
2207 gMC->Gstpar(idtmed[i], "LOSS", 1.);
2208 gMC->Gstpar(idtmed[i], "PHOT", 0.);
2209 gMC->Gstpar(idtmed[i], "COMP", 0.);
2210 gMC->Gstpar(idtmed[i], "PAIR", 0.);
2211 gMC->Gstpar(idtmed[i], "BREM", 0.);
2212 gMC->Gstpar(idtmed[i], "DRAY", 0.);
2213 gMC->Gstpar(idtmed[i], "ANNI", 0.);
2214 gMC->Gstpar(idtmed[i], "HADR", 0.);
2216 // Avoid interaction in void
2217 i = 11; //void with field
2218 gMC->Gstpar(idtmed[i], "DCAY", 0.);
2219 gMC->Gstpar(idtmed[i], "MULS", 0.);
2220 gMC->Gstpar(idtmed[i], "PFIS", 0.);
2221 gMC->Gstpar(idtmed[i], "MUNU", 0.);
2222 gMC->Gstpar(idtmed[i], "LOSS", 0.);
2223 gMC->Gstpar(idtmed[i], "PHOT", 0.);
2224 gMC->Gstpar(idtmed[i], "COMP", 0.);
2225 gMC->Gstpar(idtmed[i], "PAIR", 0.);
2226 gMC->Gstpar(idtmed[i], "BREM", 0.);
2227 gMC->Gstpar(idtmed[i], "DRAY", 0.);
2228 gMC->Gstpar(idtmed[i], "ANNI", 0.);
2229 gMC->Gstpar(idtmed[i], "HADR", 0.);
2232 fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material
2233 fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material
2234 fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1
2235 fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2
2236 fMedSensZEM = idtmed[5]; // Sensitive volume: ZEM passive material
2237 fMedSensTDI = idtmed[6]; // Sensitive volume: TDI Cu shield
2238 fMedSensPI = idtmed[7]; // Sensitive volume: beam pipes
2239 fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves
2242 //_____________________________________________________________________________
2243 void AliZDCv3::InitTables()
2246 // Read light tables for Cerenkov light production parameterization
2251 char *lightfName1,*lightfName2,*lightfName3,*lightfName4,
2252 *lightfName5,*lightfName6,*lightfName7,*lightfName8;
2253 FILE *fp1, *fp2, *fp3, *fp4, *fp5, *fp6, *fp7, *fp8;
2255 // --- Reading light tables for ZN
2256 lightfName1 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362207s");
2257 if((fp1 = fopen(lightfName1,"r")) == NULL){
2258 printf("Cannot open file fp1 \n");
2261 lightfName2 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362208s");
2262 if((fp2 = fopen(lightfName2,"r")) == NULL){
2263 printf("Cannot open file fp2 \n");
2266 lightfName3 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362209s");
2267 if((fp3 = fopen(lightfName3,"r")) == NULL){
2268 printf("Cannot open file fp3 \n");
2271 lightfName4 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362210s");
2272 if((fp4 = fopen(lightfName4,"r")) == NULL){
2273 printf("Cannot open file fp4 \n");
2277 for(k=0; k<fNalfan; k++){
2278 for(j=0; j<fNben; j++){
2279 fscanf(fp1,"%f",&fTablen[0][k][j]);
2280 fscanf(fp2,"%f",&fTablen[1][k][j]);
2281 fscanf(fp3,"%f",&fTablen[2][k][j]);
2282 fscanf(fp4,"%f",&fTablen[3][k][j]);
2290 // --- Reading light tables for ZP and ZEM
2291 lightfName5 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552207s");
2292 if((fp5 = fopen(lightfName5,"r")) == NULL){
2293 printf("Cannot open file fp5 \n");
2296 lightfName6 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552208s");
2297 if((fp6 = fopen(lightfName6,"r")) == NULL){
2298 printf("Cannot open file fp6 \n");
2301 lightfName7 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552209s");
2302 if((fp7 = fopen(lightfName7,"r")) == NULL){
2303 printf("Cannot open file fp7 \n");
2306 lightfName8 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552210s");
2307 if((fp8 = fopen(lightfName8,"r")) == NULL){
2308 printf("Cannot open file fp8 \n");
2312 for(k=0; k<fNalfap; k++){
2313 for(j=0; j<fNbep; j++){
2314 fscanf(fp5,"%f",&fTablep[0][k][j]);
2315 fscanf(fp6,"%f",&fTablep[1][k][j]);
2316 fscanf(fp7,"%f",&fTablep[2][k][j]);
2317 fscanf(fp8,"%f",&fTablep[3][k][j]);
2325 //_____________________________________________________________________________
2326 void AliZDCv3::StepManager()
2329 // Routine called at every step in the Zero Degree Calorimeters
2331 Int_t j, vol[2]={0,0}, ibeta=0, ialfa=0, ibe=0, nphe=0;
2332 Float_t hits[11], x[3], xdet[3], um[3], ud[3];
2333 Float_t m=0., ekin=0., destep=0., be=0., out=0.;
2334 // Parametrization for light guide uniformity
2335 // NEW!!! Light guide tilted @ 51 degrees
2336 Float_t guiPar[4]={0.31,-0.0006305,0.01337,0.8895};
2337 Double_t s[3], p[3];
2340 for(j=0;j<11;j++) hits[j]=-999.;
2342 // --- This part is for no shower developement in beam pipe and TDI
2343 // If particle interacts with beam pipe or TDI -> return
2344 if((gMC->CurrentMedium() == fMedSensPI) || (gMC->CurrentMedium() == fMedSensTDI)){
2345 // If option NoShower is set -> StopTrack
2348 gMC->TrackPosition(s[0],s[1],s[2]);
2349 if(gMC->CurrentMedium() == fMedSensPI){
2350 knamed = gMC->CurrentVolName();
2351 if(!strncmp(knamed,"YMQ",3)){
2352 if(s[2]<0) fpLostITC += 1;
2353 else fpLostITA += 1;
2356 else if(!strncmp(knamed,"YD1",3)){
2357 if(s[2]<0) fpLostD1C += 1;
2358 else fpLostD1A += 1;
2361 else if(!strncmp(knamed,"QAL",3)) fnTrou++;
2363 else if(gMC->CurrentMedium() == fMedSensTDI){
2364 knamed = gMC->CurrentVolName();
2365 if(!strncmp(knamed,"MD1",3)){
2366 if(s[2]<0) fpLostD1C += 1;
2367 else fpLostD1A += 1;
2370 else if(!strncmp(knamed,"QTD",3)) fpLostTDI += 1;
2371 else if(!strncmp(knamed,"QLU",3)){
2372 if(s[2]<0) fnLumiC ++;
2378 //gMC->TrackMomentum(p[0], p[1], p[2], p[3]);
2379 //printf("\t Particle: mass = %1.3f, E = %1.3f GeV, pz = %1.2f GeV -> stopped in volume %s\n",
2380 // gMC->TrackMass(), p[3], p[2], gMC->CurrentVolName());
2383 printf("\n\t **********************************\n");
2384 printf("\t ********** Side C **********\n");
2385 printf("\t # of spectators in IT = %d\n",fpLostITC);
2386 printf("\t # of spectators in D1 = %d\n",fpLostD1C);
2387 printf("\t # of spectators in luminometer = %d\n",fnLumiC);
2388 printf("\t ********** Side A **********\n");
2389 printf("\t # of spectators in IT = %d\n",fpLostITA);
2390 printf("\t # of spectators in D1 = %d\n",fpLostD1A);
2391 printf("\t # of spectators in TDI = %d\n",fpLostTDI);
2392 printf("\t # of spectators in luminometer = %d\n",fnLumiA);
2393 printf("\t # of spectators in trousers = %d\n",fnTrou);
2394 printf("\t **********************************\n");
2402 if((gMC->CurrentMedium() == fMedSensZN) || (gMC->CurrentMedium() == fMedSensZP) ||
2403 (gMC->CurrentMedium() == fMedSensGR) || (gMC->CurrentMedium() == fMedSensF1) ||
2404 (gMC->CurrentMedium() == fMedSensF2) || (gMC->CurrentMedium() == fMedSensZEM)){
2407 //Particle coordinates
2408 gMC->TrackPosition(s[0],s[1],s[2]);
2409 for(j=0; j<=2; j++) x[j] = s[j];
2414 // Determine in which ZDC the particle is
2415 knamed = gMC->CurrentVolName();
2416 if(!strncmp(knamed,"ZN",2)){
2417 if(x[2]<0.) vol[0]=1; // ZNC (dimuon side)
2418 else if(x[2]>0.) vol[0]=4; //ZNA
2420 else if(!strncmp(knamed,"ZP",2)){
2421 if(x[2]<0.) vol[0]=2; //ZPC (dimuon side)
2422 else if(x[2]>0.) vol[0]=5; //ZPA
2424 else if(!strncmp(knamed,"ZE",2)) vol[0]=3; //ZEM
2426 // Determine in which quadrant the particle is
2427 if(vol[0]==1){ //Quadrant in ZNC
2428 // Calculating particle coordinates inside ZNC
2429 xdet[0] = x[0]-fPosZNC[0];
2430 xdet[1] = x[1]-fPosZNC[1];
2431 // Calculating quadrant in ZN
2433 if(xdet[1]<=0.) vol[1]=1;
2436 else if(xdet[0]>0.){
2437 if(xdet[1]<=0.) vol[1]=2;
2440 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
2441 printf("\n ZDC StepManager->ERROR in ZN!!! vol[1] = %d, xdet[0] = %f,"
2442 "xdet[1] = %f\n",vol[1], xdet[0], xdet[1]);
2445 else if(vol[0]==2){ //Quadrant in ZPC
2446 // Calculating particle coordinates inside ZPC
2447 xdet[0] = x[0]-fPosZPC[0];
2448 xdet[1] = x[1]-fPosZPC[1];
2449 if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01;
2450 if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01;
2451 // Calculating tower in ZP
2452 Float_t xqZP = xdet[0]/(fDimZP[0]/2.);
2453 for(int i=1; i<=4; i++){
2454 if(xqZP>=(i-3) && xqZP<(i-2)){
2459 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
2460 printf(" ZDC StepManager->ERROR in ZP!!! vol[1] = %d, xdet[0] = %f,"
2461 "xdet[1] = %f\n",vol[1], xdet[0], xdet[1]);
2464 // Quadrant in ZEM: vol[1] = 1 -> particle in 1st ZEM (placed at x = 8.5 cm)
2465 // vol[1] = 2 -> particle in 2nd ZEM (placed at x = -8.5 cm)
2466 else if(vol[0] == 3){
2469 // Particle x-coordinate inside ZEM1
2470 xdet[0] = x[0]-fPosZEM[0];
2474 // Particle x-coordinate inside ZEM2
2475 xdet[0] = x[0]+fPosZEM[0];
2477 xdet[1] = x[1]-fPosZEM[1];
2480 else if(vol[0]==4){ //Quadrant in ZNA
2481 // Calculating particle coordinates inside ZNA
2482 xdet[0] = x[0]-fPosZNA[0];
2483 xdet[1] = x[1]-fPosZNA[1];
2484 // Calculating quadrant in ZNA
2486 if(xdet[1]<=0.) vol[1]=1;
2489 else if(xdet[0]<0.){
2490 if(xdet[1]<=0.) vol[1]=2;
2493 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
2494 printf("\n ZDC StepManager->ERROR in ZNA!!! vol[1] = %d, xdet[0] = %f,"
2495 "xdet[1] = %f\n",vol[1], xdet[0], xdet[1]);
2498 else if(vol[0]==5){ //Quadrant in ZPA
2499 // Calculating particle coordinates inside ZPA
2500 xdet[0] = x[0]-fPosZPA[0];
2501 xdet[1] = x[1]-fPosZPA[1];
2502 if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01;
2503 if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01;
2504 // Calculating tower in ZP
2505 Float_t xqZP = -xdet[0]/(fDimZP[0]/2.);
2506 for(int i=1; i<=4; i++){
2507 if(xqZP>=(i-3) && xqZP<(i-2)){
2512 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
2513 printf(" ZDC StepManager->ERROR in ZPA!!! vol[1] = %d, xdet[0] = %f,"
2514 "xdet[1] = %f\n",vol[1], xdet[0], xdet[1]);
2518 // Store impact point and kinetic energy of the ENTERING particle
2520 if(gMC->IsTrackEntering()){
2522 gMC->TrackMomentum(p[0],p[1],p[2],p[3]);
2524 // Impact point on ZDC
2532 Int_t curTrackN = gAlice->GetMCApp()->GetCurrentTrackNumber();
2533 TParticle *part = (gAlice->GetMCApp())->Particle(curTrackN);
2534 hits[10] = part->GetPdgCode();
2535 //printf("\t PDGCode = %d\n", part->GetPdgCode());
2537 AddHit(curTrackN, vol, hits);
2540 //printf("\t VolName %s -> det %d quad %d - x = %f, y = %f, z = %f\n",
2541 //knamed, vol[0], vol[1], x[0], x[1], x[2]);
2544 printf("\n # of particles in ZNC = %d\n\n",fnDetectedC);
2548 printf("\n # of particles in ZPC = %d\n\n",fpDetectedC);
2552 printf("\n # of particles in ZNA = %d\n\n",fnDetectedA);
2556 printf("\n # of particles in ZPA = %d\n\n",fpDetectedA);
2559 //printf("\t Particle: mass = %1.3f, E = %1.3f GeV, pz = %1.2f GeV -> stopped in volume %s\n",
2560 // gMC->TrackMass(), p[3], p[2], gMC->CurrentVolName());
2567 // Charged particles -> Energy loss
2568 if((destep=gMC->Edep())){
2569 if(gMC->IsTrackStop()){
2570 gMC->TrackMomentum(p[0],p[1],p[2],p[3]);
2571 m = gMC->TrackMass();
2576 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2582 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2588 // *** Light production in fibres
2589 if((gMC->CurrentMedium() == fMedSensF1) || (gMC->CurrentMedium() == fMedSensF2)){
2591 //Select charged particles
2592 if((destep=gMC->Edep())){
2594 // Particle velocity
2596 gMC->TrackMomentum(p[0],p[1],p[2],p[3]);
2597 Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]);
2598 if(p[3] > 0.00001) beta = ptot/p[3];
2600 if(beta<0.67)return;
2601 else if((beta>=0.67) && (beta<=0.75)) ibeta = 0;
2602 else if((beta>0.75) && (beta<=0.85)) ibeta = 1;
2603 else if((beta>0.85) && (beta<=0.95)) ibeta = 2;
2604 else if(beta>0.95) ibeta = 3;
2606 // Angle between particle trajectory and fibre axis
2607 // 1 -> Momentum directions
2611 gMC->Gmtod(um,ud,2);
2612 // 2 -> Angle < limit angle
2613 Double_t alfar = TMath::ACos(ud[2]);
2614 Double_t alfa = alfar*kRaddeg;
2615 if(alfa>=110.) return;
2617 ialfa = Int_t(1.+alfa/2.);
2619 // Distance between particle trajectory and fibre axis
2620 gMC->TrackPosition(s[0],s[1],s[2]);
2621 for(j=0; j<=2; j++){
2624 gMC->Gmtod(x,xdet,1);
2625 if(TMath::Abs(ud[0])>0.00001){
2626 Float_t dcoeff = ud[1]/ud[0];
2627 be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.));
2630 be = TMath::Abs(ud[0]);
2633 ibe = Int_t(be*1000.+1);
2634 //if((vol[0]==1)) radius = fFibZN[1];
2635 //else if((vol[0]==2)) radius = fFibZP[1];
2637 //Looking into the light tables
2638 Float_t charge = gMC->TrackCharge();
2640 if(vol[0]==1 || vol[0]==4) { // (1) ZN fibres
2641 if(ibe>fNben) ibe=fNben;
2642 out = charge*charge*fTablen[ibeta][ialfa][ibe];
2643 nphe = gRandom->Poisson(out);
2645 //if(ibeta==3) printf("\t %f \t %f \t %f\n",alfa, be, out);
2646 //printf("\t ibeta = %d, ialfa = %d, ibe = %d -> nphe = %d\n\n",ibeta,ialfa,ibe,nphe);
2647 if(gMC->CurrentMedium() == fMedSensF1){
2648 hits[7] = nphe; //fLightPMQ
2651 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2655 hits[8] = nphe; //fLightPMC
2657 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2660 else if(vol[0]==2 || vol[0]==5) {// (2) ZP fibres
2661 if(ibe>fNbep) ibe=fNbep;
2662 out = charge*charge*fTablep[ibeta][ialfa][ibe];
2663 nphe = gRandom->Poisson(out);
2664 if(gMC->CurrentMedium() == fMedSensF1){
2665 hits[7] = nphe; //fLightPMQ
2668 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2672 hits[8] = nphe; //fLightPMC
2674 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2677 else if((vol[0]==3)) { // (3) ZEM fibres
2678 if(ibe>fNbep) ibe=fNbep;
2679 out = charge*charge*fTablep[ibeta][ialfa][ibe];
2680 gMC->TrackPosition(s[0],s[1],s[2]);
2685 // z-coordinate from ZEM front face
2686 // NB-> fPosZEM[2]+fZEMLength = -1000.+2*10.3 = 979.69 cm
2687 Float_t z = -xalic[2]+fPosZEM[2]+2*fZEMLength-xalic[1];
2688 // z = xalic[2]-fPosZEM[2]-fZEMLength-xalic[1]*(TMath::Tan(45.*kDegrad));
2689 // printf("\n fPosZEM[2]+2*fZEMLength = %f", fPosZEM[2]+2*fZEMLength);
2690 Float_t guiEff = guiPar[0]*(guiPar[1]*z*z+guiPar[2]*z+guiPar[3]);
2692 nphe = gRandom->Poisson(out);
2693 // printf(" out*guiEff = %f nphe = %d", out, nphe);
2696 hits[8] = nphe; //fLightPMC (ZEM1)
2698 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2701 hits[7] = nphe; //fLightPMQ (ZEM2)
2704 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);