1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
17 ///////////////////////////////////////////////////////////////////////
19 // AliZDCv3 --- new ZDC geometry //
20 // with both ZDC arms geometry implemented //
22 ///////////////////////////////////////////////////////////////////////
24 // --- Standard libraries
32 #include <TVirtualMC.h>
33 #include <TGeoManager.h>
34 #include <TGeoMatrix.h>
36 #include <TGeoShape.h>
37 #include <TGeoCompositeShape.h>
38 #include <TParticle.h>
40 // --- AliRoot classes
55 //_____________________________________________________________________________
56 AliZDCv3::AliZDCv3() :
85 // Default constructor for Zero Degree Calorimeter
90 //_____________________________________________________________________________
91 AliZDCv3::AliZDCv3(const char *name, const char *title) :
120 // Standard constructor for Zero Degree Calorimeter
123 // Check that DIPO, ABSO, DIPO and SHIL is there (otherwise tracking is wrong!!!)
125 AliModule* pipe=gAlice->GetModule("PIPE");
126 AliModule* abso=gAlice->GetModule("ABSO");
127 AliModule* dipo=gAlice->GetModule("DIPO");
128 AliModule* shil=gAlice->GetModule("SHIL");
129 if((!pipe) || (!abso) || (!dipo) || (!shil)) {
130 Error("Constructor","ZDC needs PIPE, ABSO, DIPO and SHIL!!!\n");
135 for(ip=0; ip<4; ip++){
136 for(kp=0; kp<fNalfap; kp++){
137 for(jp=0; jp<fNbep; jp++){
138 fTablep[ip][kp][jp] = 0;
143 for(in=0; in<4; in++){
144 for(kn=0; kn<fNalfan; kn++){
145 for(jn=0; jn<fNben; jn++){
146 fTablen[in][kn][jn] = 0;
151 // Parameters for hadronic calorimeters geometry
152 // Positions updated after post-installation measurements
161 fPosZNC[2] = -11397.3;
164 fPosZPC[2] = -11389.3;
167 fPosZNA[2] = 11395.8;
170 fPosZPA[2] = 11387.8;
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 Double_t zd1, zd2, zCorrDip, zInnTrip, zD1, zD2;
210 Double_t conpar[9], tubpar[3], tubspar[5], boxpar[3];
212 //-- rotation matrices for the legs
213 Int_t irotpipe1, irotpipe2;
214 gMC->Matrix(irotpipe1,90.-1.0027,0.,90.,90.,1.0027,180.);
215 gMC->Matrix(irotpipe2,90.+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 // -- BEAM PIPE from compensator dipole to the beginning of D1)
246 // From beginning of ZDC volumes to beginning of D1
247 tubpar[2] = (5838.3-zd1)/2.;
248 gMC->Gsvolu("QT01", "TUBE", idtmed[7], tubpar, 3);
249 gMC->Gspos("QT01", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
251 //printf(" QT01 TUBE pipe from z = %1.2f to z= %1.2f (D1 beg.)\n",-zd1,-2*tubpar[2]-zd1);
253 //-- BEAM PIPE from the end of D1 to the beginning of D2)
255 //-- FROM MAGNETIC BEGINNING OF D1 TO MAGNETIC END OF D1
256 //-- Cylindrical pipe (r = 3.47) + conical flare
257 // -> Beginning of D1
262 tubpar[2] = (6909.8-zd1)/2.;
263 gMC->Gsvolu("QT02", "TUBE", idtmed[7], tubpar, 3);
264 gMC->Gspos("QT02", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
266 //printf(" QT02 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
272 tubpar[2] = (7022.8-zd1)/2.;
273 gMC->Gsvolu("QT03", "TUBE", idtmed[7], tubpar, 3);
274 gMC->Gspos("QT03", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
276 //printf(" QT03 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
285 gMC->Gsvolu("QC01", "CONE", idtmed[7], conpar, 5);
286 gMC->Gspos("QC01", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
288 //printf(" QC01 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
290 zd1 += conpar[0] * 2.;
292 // ******************************************************
293 // N.B.-> according to last vacuum layout
294 // private communication by D. Macina, mail 27/1/2009
295 // ******************************************************
296 // 2nd section of VCTCQ+VAMTF+TCTVB+VAMTF+TCLIA+VAMTF+1st part of VCTCP
297 Float_t totLength1 = 160.8 + 78. + 148. + 78. + 148. + 78. + 9.3;
301 tubpar[2] = totLength1/2.;
302 gMC->Gsvolu("QE01", "ELTU", idtmed[7], tubpar, 3);
306 tubpar[2] = totLength1/2.;
307 gMC->Gsvolu("QE02", "ELTU", idtmed[10], tubpar, 3);
308 gMC->Gspos("QE02", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
309 gMC->Gspos("QE02", 1, "QE01", 0., 0., 0., 0, "ONLY");
311 //printf(" QE02 ELTU from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
313 zd1 += tubpar[2] * 2.;
317 conpar[1] = 21.27/2.;
318 conpar[2] = 21.87/2.;
321 gMC->Gsvolu("QC02", "CONE", idtmed[7], conpar, 5);
322 gMC->Gspos("QC02", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
324 //printf(" QC02 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
326 zd1 += conpar[0] * 2.;
328 // 3rd section of VCTCP+VCDWC+VMLGB
329 Float_t totLenght2 = 9.2 + 530.5+40.;
332 tubpar[2] = totLenght2/2.;
333 gMC->Gsvolu("QT04", "TUBE", idtmed[7], tubpar, 3);
334 gMC->Gspos("QT04", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
336 //printf(" QT04 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
338 zd1 += tubpar[2] * 2.;
340 // First part of VCTCD
341 // skewed transition cone from ID=212.7 mm to ID=797 mm
345 conpar[3] = 21.27/2.;
346 conpar[4] = 21.87/2.;
347 gMC->Gsvolu("QC03", "CONE", idtmed[7], conpar, 5);
348 gMC->Gspos("QC03", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
350 //printf(" QC03 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
354 // VCDGB + 1st part of VCTCH
357 tubpar[2] = (5*475.2+97.)/2.;
358 gMC->Gsvolu("QT05", "TUBE", idtmed[7], tubpar, 3);
359 gMC->Gspos("QT05", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
361 //printf(" QT05 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
366 // Transition from ID=797 mm to ID=196 mm:
367 // in order to simulate the thin window opened in the transition cone
368 // we divide the transition cone in three cones:
369 // (1) 8 mm thick (2) 3 mm thick (3) the third 8 mm thick
372 conpar[0] = 9.09/2.; // 15 degree
373 conpar[1] = 74.82868/2.;
374 conpar[2] = 76.42868/2.; // thickness 8 mm
376 conpar[4] = 81.3/2.; // thickness 8 mm
377 gMC->Gsvolu("QC04", "CONE", idtmed[7], conpar, 5);
378 gMC->Gspos("QC04", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
380 //printf(" QC04 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
385 conpar[0] = 96.2/2.; // 15 degree
386 conpar[1] = 23.19588/2.;
387 conpar[2] = 23.79588/2.; // thickness 3 mm
388 conpar[3] = 74.82868/2.;
389 conpar[4] = 75.42868/2.; // thickness 3 mm
390 gMC->Gsvolu("QC05", "CONE", idtmed[7], conpar, 5);
391 gMC->Gspos("QC05", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
393 //printf(" QC05 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
398 conpar[0] = 6.71/2.; // 15 degree
400 conpar[2] = 21.2/2.;// thickness 8 mm
401 conpar[3] = 23.19588/2.;
402 conpar[4] = 24.79588/2.;// thickness 8 mm
403 gMC->Gsvolu("QC06", "CONE", idtmed[7], conpar, 5);
404 gMC->Gspos("QC06", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
406 //printf(" QC06 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
414 gMC->Gsvolu("QT06", "TUBE", idtmed[7], tubpar, 3);
415 gMC->Gspos("QT06", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
417 //printf(" QT06 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
426 gMC->Gsvolu("QC07", "CONE", idtmed[7], conpar, 5);
427 gMC->Gspos("QC07", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
429 //printf(" QC07 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
436 gMC->Gsvolu("QT07", "TUBE", idtmed[7], tubpar, 3);
437 gMC->Gspos("QT07", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
439 //printf(" QT07 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
448 gMC->Gsvolu("QC08", "CONE", idtmed[7], conpar, 5);
449 gMC->Gspos("QC08", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
451 //printf(" QC08 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
458 gMC->Gsvolu("QT08", "TUBE", idtmed[7], tubpar, 3);
459 gMC->Gspos("QT08", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
461 //printf(" QT08 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
465 // Flange (ID=196 mm)(last part of VMZAR and first part of VCTYB)
469 gMC->Gsvolu("QT09", "TUBE", idtmed[7], tubpar, 3);
470 gMC->Gspos("QT09", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
472 //printf(" QT09 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
476 //printf(" Beginning of VCTYB volume @ z = %1.2f \n",-zd1);
478 // simulation of the trousers (VCTYB)
482 gMC->Gsvolu("QT10", "TUBE", idtmed[7], tubpar, 3);
483 gMC->Gspos("QT10", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
485 //printf(" QT10 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
489 // transition cone from ID=196. to ID=216.6
490 conpar[0] = 32.55/2.;
491 conpar[1] = 21.66/2.;
492 conpar[2] = 22.06/2.;
495 gMC->Gsvolu("QC09", "CONE", idtmed[7], conpar, 5);
496 gMC->Gspos("QC09", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
498 //printf(" QC09 CONE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-zd1);
503 tubpar[0] = 21.66/2.;
504 tubpar[1] = 22.06/2.;
506 gMC->Gsvolu("QT11", "TUBE", idtmed[7], tubpar, 3);
507 gMC->Gspos("QT11", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
509 //printf(" QT11 TUBE pipe from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
513 //printf(" Beginning of recombination chamber @ z = %f \n",-zd1);
515 // --------------------------------------------------------
516 // RECOMBINATION CHAMBER IMPLEMENTED USING TGeo CLASSES!!!!
517 // author: Chiara (August 2008)
518 // --------------------------------------------------------
519 // TRANSFORMATION MATRICES
520 // Combi transformation:
521 Double_t dx = -3.970000;
522 Double_t dy = 0.000000;
525 Double_t thx = 84.989100; Double_t phx = 180.000000;
526 Double_t thy = 90.000000; Double_t phy = 90.000000;
527 Double_t thz = 185.010900; Double_t phz = 0.000000;
528 TGeoRotation *rotMatrix1c = new TGeoRotation("c",thx,phx,thy,phy,thz,phz);
529 // Combi transformation:
533 TGeoCombiTrans *rotMatrix2c = new TGeoCombiTrans("ZDCC_c1", dx,dy,dz,rotMatrix1c);
534 rotMatrix2c->RegisterYourself();
535 // Combi transformation:
540 thx = 95.010900; phx = 180.000000;
541 thy = 90.000000; phy = 90.000000;
542 thz = 180.-5.010900; phz = 0.000000;
543 TGeoRotation *rotMatrix3c = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
544 TGeoCombiTrans *rotMatrix4c = new TGeoCombiTrans("ZDCC_c2", dx,dy,dz,rotMatrix3c);
545 rotMatrix4c->RegisterYourself();
547 // VOLUMES DEFINITION
549 TGeoVolume *pZDCC = gGeoManager->GetVolume("ZDCC");
551 conpar[0] = (90.1-0.95-0.26-0.0085)/2.;
556 new TGeoCone("QCLext", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
558 conpar[0] = (90.1-0.95-0.26-0.0085)/2.;
563 new TGeoCone("QCLint", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
566 TGeoCompositeShape *pOutTrousersC = new TGeoCompositeShape("outTrousersC", "QCLext:ZDCC_c1+QCLext:ZDCC_c2");
569 TGeoMedium *medZDCFe = gGeoManager->GetMedium("ZDC_ZIRON");
570 TGeoVolume *pQCLext = new TGeoVolume("QCLext",pOutTrousersC, medZDCFe);
571 pQCLext->SetLineColor(kGreen);
572 pQCLext->SetVisLeaves(kTRUE);
574 TGeoTranslation *tr1c = new TGeoTranslation(0., 0., (Double_t) -conpar[0]-0.95-zd1);
575 //printf(" Recombination chamber from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-0.95-zd1);
577 pZDCC->AddNode(pQCLext, 1, tr1c);
579 TGeoCompositeShape *pIntTrousersC = new TGeoCompositeShape("intTrousersC", "QCLint:ZDCC_c1+QCLint:ZDCC_c2");
581 TGeoMedium *medZDCvoid = gGeoManager->GetMedium("ZDC_ZVOID");
582 TGeoVolume *pQCLint = new TGeoVolume("QCLint",pIntTrousersC, medZDCvoid);
583 pQCLint->SetLineColor(kTeal);
584 pQCLint->SetVisLeaves(kTRUE);
585 pQCLext->AddNode(pQCLint, 1);
588 Double_t offset = 0.5;
591 // second section : 2 tubes (ID = 54. OD = 58.)
595 gMC->Gsvolu("QT12", "TUBE", idtmed[7], tubpar, 3);
596 gMC->Gspos("QT12", 1, "ZDCC", -15.8/2., 0., -tubpar[2]-zd1, 0, "ONLY");
597 gMC->Gspos("QT12", 2, "ZDCC", 15.8/2., 0., -tubpar[2]-zd1, 0, "ONLY");
599 //printf(" QT12 TUBE from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
603 // transition x2zdc to recombination chamber : skewed cone
604 conpar[0] = (10.-0.2-offset)/2.;
609 gMC->Gsvolu("QC10", "CONE", idtmed[7], conpar, 5);
610 gMC->Gspos("QC10", 1, "ZDCC", -7.9-0.175, 0., -conpar[0]-0.1-zd1, irotpipe1, "ONLY");
611 gMC->Gspos("QC10", 2, "ZDCC", 7.9+0.175, 0., -conpar[0]-0.1-zd1, irotpipe2, "ONLY");
612 //printf(" QC10 CONE from z = %1.2f to z= %1.2f\n",-zd1,-2*conpar[0]-0.2-zd1);
614 zd1 += 2.*conpar[0]+0.2;
616 // 2 tubes (ID = 63 mm OD=70 mm)
619 tubpar[2] = 639.8/2.;
620 gMC->Gsvolu("QT13", "TUBE", idtmed[7], tubpar, 3);
621 gMC->Gspos("QT13", 1, "ZDCC", -16.5/2., 0., -tubpar[2]-zd1, 0, "ONLY");
622 gMC->Gspos("QT13", 2, "ZDCC", 16.5/2., 0., -tubpar[2]-zd1, 0, "ONLY");
623 //printf(" QT13 TUBE from z = %1.2f to z= %1.2f\n",-zd1,-2*tubpar[2]-zd1);
626 //printf(" END OF SIDE C BEAM PIPE DEFINITION @ z = %f\n",-zd1);
629 // -- Luminometer (Cu box) in front of ZN - side C
633 gMC->Gsvolu("QLUC", "BOX ", idtmed[6], boxpar, 3);
634 gMC->Gspos("QLUC", 1, "ZDCC", 0., 0., fPosZNC[2]+66.+boxpar[2], 0, "ONLY");
635 //printf(" QLUC LUMINOMETER from z = %1.2f to z= %1.2f\n", fPosZNC[2]+66., fPosZNC[2]+66.+2*boxpar[2]);
637 // -- END OF BEAM PIPE VOLUME DEFINITION FOR SIDE C (RB26 SIDE)
638 // ----------------------------------------------------------------
640 ////////////////////////////////////////////////////////////////
644 ///////////////////////////////////////////////////////////////
646 // Rotation Matrices definition
647 Int_t irotpipe3, irotpipe4, irotpipe5;
648 //-- rotation matrices for the tilted cone after the TDI to recenter vacuum chamber
649 gMC->Matrix(irotpipe3,90.-1.8934,0.,90.,90.,1.8934,180.);
650 //-- rotation matrices for the tilted tube before and after the TDI
651 gMC->Matrix(irotpipe4,90.-3.8,0.,90.,90.,3.8,180.);
652 //-- rotation matrix for the tilted cone after the TDI
653 gMC->Matrix(irotpipe5,90.+9.8,0.,90.,90.,9.8,0.);
655 // -- Mother of the ZDCs (Vacuum PCON)
656 zd2 = 1910.22;// zd2 initial value
667 gMC->Gsvolu("ZDCA", "PCON", idtmed[10], conpar, 9);
668 gMC->Gspos("ZDCA", 1, "ALIC", 0., 0., 0., 0, "ONLY");
670 // To avoid overlaps 1 micron are left between certain volumes!
671 Double_t dxNoOverlap = 0.0;
672 //zd2 += dxNoOverlap;
674 // BEAM PIPE from 19.10 m to inner triplet beginning (22.965 m)
677 tubpar[2] = 386.28/2. - dxNoOverlap;
678 gMC->Gsvolu("QA01", "TUBE", idtmed[7], tubpar, 3);
679 gMC->Gspos("QA01", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
681 //printf(" QA01 TUBE centred in %f from z = %1.2f to z= %1.2f (IT begin)\n",tubpar[2]+zd2,zd2,2*tubpar[2]+zd2);
685 // -- FIRST SECTION OF THE BEAM PIPE (from beginning of inner triplet to
689 tubpar[2] = 3541.8/2. - dxNoOverlap;
690 gMC->Gsvolu("QA02", "TUBE", idtmed[7], tubpar, 3);
691 gMC->Gspos("QA02", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
693 //printf(" QA02 TUBE from z = %1.2f to z= %1.2f (D1 begin)\n",zd2,2*tubpar[2]+zd2);
698 // -- SECOND SECTION OF THE BEAM PIPE (from the beginning of D1 to the beginning of D2)
700 // FROM (MAGNETIC) BEGINNING OF D1 TO THE (MAGNETIC) END OF D1 + 126.5 cm
701 // CYLINDRICAL PIPE of diameter increasing from 6.75 cm up to 8.0 cm
702 // from magnetic end :
703 // 1) 80.1 cm still with ID = 6.75 radial beam screen
704 // 2) 2.5 cm conical section from ID = 6.75 to ID = 8.0 cm
705 // 3) 43.9 cm straight section (tube) with ID = 8.0 cm
709 tubpar[2] = (945.0+80.1)/2.;
710 gMC->Gsvolu("QA03", "TUBE", idtmed[7], tubpar, 3);
711 gMC->Gspos("QA03", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
713 //printf(" QA03 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
717 // Transition Cone from ID=67.5 mm to ID=80 mm
723 gMC->Gsvolu("QA04", "CONE", idtmed[7], conpar, 5);
724 gMC->Gspos("QA04", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
725 //printf(" QA04 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
731 tubpar[2] = (43.9+20.+28.5+28.5)/2.;
732 gMC->Gsvolu("QA05", "TUBE", idtmed[7], tubpar, 3);
733 gMC->Gspos("QA05", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
735 //printf(" QA05 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
739 // Second section of VAEHI (transition cone from ID=80mm to ID=98mm)
745 gMC->Gsvolu("QAV1", "CONE", idtmed[7], conpar, 5);
746 gMC->Gspos("QAV1", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
747 //printf(" QAV1 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
751 //Third section of VAEHI (transition cone from ID=98mm to ID=90mm)
757 gMC->Gsvolu("QAV2", "CONE", idtmed[7], conpar, 5);
758 gMC->Gspos("QAV2", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
759 //printf(" QAV2 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
763 // Fourth section of VAEHI (tube ID=90mm)
767 gMC->Gsvolu("QAV3", "TUBE", idtmed[7], tubpar, 3);
768 gMC->Gspos("QAV3", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
770 //printf(" QAV3 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
774 //---------------------------- TCDD beginning ----------------------------------
775 // space for the insertion of the collimator TCDD (2 m)
776 // TCDD ZONE - 1st volume
782 gMC->Gsvolu("Q01T", "CONE", idtmed[7], conpar, 5);
783 gMC->Gspos("Q01T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
784 //printf(" Q01T CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
788 // TCDD ZONE - 2nd volume
792 gMC->Gsvolu("Q02T", "TUBE", idtmed[7], tubpar, 3);
793 gMC->Gspos("Q02T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
795 //printf(" Q02T TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
799 // TCDD ZONE - third volume
805 gMC->Gsvolu("Q03T", "CONE", idtmed[7], conpar, 5);
806 gMC->Gspos("Q03T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
807 //printf(" Q03T CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
811 // TCDD ZONE - 4th volume
815 gMC->Gsvolu("Q04T", "TUBE", idtmed[7], tubpar, 3);
816 gMC->Gspos("Q04T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
818 //printf(" Q04T TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
822 // TCDD ZONE - 5th volume
825 tubpar[2] = 100.12/2.;
826 gMC->Gsvolu("Q05T", "TUBE", idtmed[7], tubpar, 3);
827 gMC->Gspos("Q05T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
829 //printf(" Q05T TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
833 // TCDD ZONE - 6th volume
837 gMC->Gsvolu("Q06T", "TUBE", idtmed[7], tubpar, 3);
838 gMC->Gspos("Q06T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
840 //printf(" Q06T TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
844 // TCDD ZONE - 7th volume
845 conpar[0] = 11.34/2.;
850 gMC->Gsvolu("Q07T", "CONE", idtmed[7], conpar, 5);
851 gMC->Gspos("Q07T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
852 //printf(" Q07T CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
856 // Upper section : one single phi segment of a tube
857 // 5 parameters for tubs: inner radius = 0.,
858 // outer radius = 7. cm, half length = 50 cm
859 // phi1 = 0., phi2 = 180.
861 tubspar[1] = 14.0/2.;
862 tubspar[2] = 100.0/2.;
865 gMC->Gsvolu("Q08T", "TUBS", idtmed[7], tubspar, 5);
867 //printf(" upper part : one single phi segment of a tube (Q08T)\n");
869 // rectangular beam pipe inside TCDD upper section (Vacuum)
873 gMC->Gsvolu("Q09T", "BOX ", idtmed[10], boxpar, 3);
874 // positioning vacuum box in the upper section of TCDD
875 gMC->Gspos("Q09T", 1, "Q08T", 0., 1.1, 0., 0, "ONLY");
877 // lower section : one single phi segment of a tube
879 tubspar[1] = 14.0/2.;
880 tubspar[2] = 100.0/2.;
883 gMC->Gsvolu("Q10T", "TUBS", idtmed[7], tubspar, 5);
884 // rectangular beam pipe inside TCDD lower section (Vacuum)
888 gMC->Gsvolu("Q11T", "BOX ", idtmed[10], boxpar, 3);
889 // positioning vacuum box in the lower section of TCDD
890 gMC->Gspos("Q11T", 1, "Q10T", 0., -1.1, 0., 0, "ONLY");
892 // positioning TCDD elements in ZDCA, (inside TCDD volume)
893 gMC->Gspos("Q08T", 1, "ZDCA", 0., 2., -100.+zd2, 0, "ONLY");
894 gMC->Gspos("Q10T", 1, "ZDCA", 0., -2., -100.+zd2, 0, "ONLY");
900 gMC->Gsvolu("Q12T", "BOX ", idtmed[7], boxpar, 3);
901 // positioning RF screen at both sides of TCDD
902 gMC->Gspos("Q12T", 1, "ZDCA", tubspar[1]+boxpar[0], 0., -100.+zd2, 0, "ONLY");
903 gMC->Gspos("Q12T", 2, "ZDCA", -tubspar[1]-boxpar[0], 0., -100.+zd2, 0, "ONLY");
904 //---------------------------- TCDD end ---------------------------------------
906 // The following elliptical tube 180 mm x 70 mm
907 // (obtained positioning the void QA09 in QA08)
908 // represents VMTSA (780 mm) + space reserved to the TCTVB (1480 mm)+
909 // VMTSA (780 mm) + first part of VCTCP (93 mm)
913 tubpar[2] = 313.3/2.;
914 gMC->Gsvolu("QA06", "ELTU", idtmed[7], tubpar, 3);
915 //printf(" QA06 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
919 tubpar[2] = 313.3/2.;
920 gMC->Gsvolu("QA07", "ELTU", idtmed[10], tubpar, 3);
921 //printf(" QA07 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
922 gMC->Gspos("QA06", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
923 gMC->Gspos("QA07", 1, "QA06", 0., 0., 0., 0, "ONLY");
927 // VCTCP second part: transition cone from ID=180 to ID=212.7
931 conpar[3] = 21.27/2.;
932 conpar[4] = 21.87/2.;
933 gMC->Gsvolu("QA08", "CONE", idtmed[7], conpar, 5);
934 gMC->Gspos("QA08", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
936 //printf(" QA08 CONE from z = %Third part of VCTCR: tube (ID=196 mm) f to z = %f\n",zd2,2*conpar[0]+zd2);
941 // Represents VCTCP third part (92 mm) + VCDWB (765 mm) + VMBGA (400 mm) +
942 // VCDWE (300 mm) + VMBGA (400 mm)
943 tubpar[0] = 21.27/2.;
944 tubpar[1] = 21.87/2.;
945 tubpar[2] = 195.7/2.;
946 gMC->Gsvolu("QA09", "TUBE", idtmed[7], tubpar, 3);
947 gMC->Gspos("QA09", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
948 //printf(" QA09 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
952 // skewed transition piece (ID=212.7 mm to 332 mm) (before TDI)
953 conpar[0] = (50.0-0.73-1.13)/2.;
954 conpar[1] = 21.27/2.;
955 conpar[2] = 21.87/2.;
958 gMC->Gsvolu("QA10", "CONE", idtmed[7], conpar, 5);
959 gMC->Gspos("QA10", 1, "ZDCA", -1.66, 0., conpar[0]+0.73+zd2, irotpipe4, "ONLY");
961 //printf(" QA10 skewed CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+0.73+1.13+zd2);
963 zd2 += 2.*conpar[0]+0.73+1.13;
965 // Vacuum chamber containing TDI
968 tubpar[2] = 540.0/2.;
969 gMC->Gsvolu("Q13TM", "TUBE", idtmed[10], tubpar, 3);
970 gMC->Gspos("Q13TM", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
973 tubpar[2] = 540.0/2.;
974 gMC->Gsvolu("Q13T", "TUBE", idtmed[7], tubpar, 3);
975 gMC->Gspos("Q13T", 1, "Q13TM", 0., 0., 0., 0, "ONLY");
977 //printf(" Q13T TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
981 //---------------- INSERT TDI INSIDE Q13T -----------------------------------
984 boxpar[2] = 540.0/2.;
985 gMC->Gsvolu("QTD1", "BOX ", idtmed[7], boxpar, 3);
986 gMC->Gspos("QTD1", 1, "Q13TM", -3.8, 10.5, 0., 0, "ONLY");
989 boxpar[2] = 540.0/2.;
990 gMC->Gsvolu("QTD2", "BOX ", idtmed[7], boxpar, 3);
991 gMC->Gspos("QTD2", 1, "Q13TM", -3.8, -10.5, 0., 0, "ONLY");
994 boxpar[2] = 540.0/2.;
995 gMC->Gsvolu("QTD3", "BOX ", idtmed[7], boxpar, 3);
996 gMC->Gspos("QTD3", 1, "Q13TM", -3.8+5.5+boxpar[0], 6.1, 0., 0, "ONLY");
997 gMC->Gspos("QTD3", 2, "Q13TM", -3.8+5.5+boxpar[0], -6.1, 0., 0, "ONLY");
998 gMC->Gspos("QTD3", 3, "Q13TM", -3.8-5.5-boxpar[0], 6.1, 0., 0, "ONLY");
999 gMC->Gspos("QTD3", 4, "Q13TM", -3.8-5.5-boxpar[0], -6.1, 0., 0, "ONLY");
1001 tubspar[0] = 12.0/2.;
1002 tubspar[1] = 12.4/2.;
1003 tubspar[2] = 540.0/2.;
1006 gMC->Gsvolu("QTD4", "TUBS", idtmed[7], tubspar, 5);
1007 gMC->Gspos("QTD4", 1, "Q13TM", -3.8-10.6, 0., 0., 0, "ONLY");
1008 tubspar[0] = 12.0/2.;
1009 tubspar[1] = 12.4/2.;
1010 tubspar[2] = 540.0/2.;
1013 gMC->Gsvolu("QTD5", "TUBS", idtmed[7], tubspar, 5);
1014 gMC->Gspos("QTD5", 1, "Q13TM", -3.8+10.6, 0., 0., 0, "ONLY");
1015 //---------------- END DEFINING TDI INSIDE Q13T -------------------------------
1017 // VCTCG skewed transition piece (ID=332 mm to 212.7 mm) (after TDI)
1018 conpar[0] = (50.0-2.92-1.89)/2.;
1019 conpar[1] = 33.2/2.;
1020 conpar[2] = 33.8/2.;
1021 conpar[3] = 21.27/2.;
1022 conpar[4] = 21.87/2.;
1023 gMC->Gsvolu("QA11", "CONE", idtmed[7], conpar, 5);
1024 gMC->Gspos("QA11", 1, "ZDCA", 4.32-3.8, 0., conpar[0]+2.92+zd2, irotpipe5, "ONLY");
1026 //printf(" QA11 skewed CONE from z = %f to z =%f\n",zd2,2*conpar[0]+2.92+1.89+zd2);
1028 zd2 += 2.*conpar[0]+2.92+1.89;
1030 // The following tube ID 212.7 mm
1031 // represents VMBGA (400 mm) + VCDWE (300 mm) + VMBGA (400 mm) +
1032 // BTVTS (600 mm) + VMLGB (400 mm)
1033 tubpar[0] = 21.27/2.;
1034 tubpar[1] = 21.87/2.;
1035 tubpar[2] = 210.0/2.;
1036 gMC->Gsvolu("QA12", "TUBE", idtmed[7], tubpar, 3);
1037 gMC->Gspos("QA12", 1, "ZDCA", 4., 0., tubpar[2]+zd2, 0, "ONLY");
1039 //printf(" QA12 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1041 zd2 += 2.*tubpar[2];
1043 // First part of VCTCC
1044 // skewed transition cone from ID=212.7 mm to ID=797 mm
1045 conpar[0] = (121.0-0.37-1.35)/2.;
1046 conpar[1] = 21.27/2.;
1047 conpar[2] = 21.87/2.;
1048 conpar[3] = 79.7/2.;
1049 conpar[4] = 81.3/2.;
1050 gMC->Gsvolu("QA13", "CONE", idtmed[7], conpar, 5);
1051 gMC->Gspos("QA13", 1, "ZDCA", 4.-2., 0., conpar[0]+0.37+zd2, irotpipe3, "ONLY");
1053 //printf(" QA13 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+0.37+1.35+zd2);
1055 zd2 += 2.*conpar[0]+0.37+1.35;
1057 // The following tube ID 797 mm --- (volume QA16)
1058 // represents the second part of VCTCC (4272 mm) +
1059 // 4 x VCDGA (4 x 4272 mm) +
1060 // the first part of VCTCR (850 mm)
1061 tubpar[0] = 79.7/2.;
1062 tubpar[1] = 81.3/2.;
1063 tubpar[2] = 2221./2.;
1064 gMC->Gsvolu("QA14", "TUBE", idtmed[7], tubpar, 3);
1065 gMC->Gspos("QA14", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1067 //printf(" QA14 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1069 zd2 += 2.*tubpar[2];
1071 // Second part of VCTCR
1072 // Transition from ID=797 mm to ID=196 mm:
1073 // in order to simulate the thin window opened in the transition cone
1074 // we divide the transition cone in three cones:
1075 // (1) 8 mm thick (2) 3 mm thick (3) the third 8 mm thick
1078 conpar[0] = 9.09/2.; // 15 degree
1079 conpar[1] = 79.7/2.;
1080 conpar[2] = 81.3/2.; // thickness 8 mm
1081 conpar[3] = 74.82868/2.;
1082 conpar[4] = 76.42868/2.; // thickness 8 mm
1083 gMC->Gsvolu("QA15", "CONE", idtmed[7], conpar, 5);
1084 gMC->Gspos("QA15", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1085 //printf(" QA15 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1087 zd2 += 2.*conpar[0];
1090 conpar[0] = 96.2/2.; // 15 degree
1091 conpar[1] = 74.82868/2.;
1092 conpar[2] = 75.42868/2.; // thickness 3 mm
1093 conpar[3] = 23.19588/2.;
1094 conpar[4] = 23.79588/2.; // thickness 3 mm
1095 gMC->Gsvolu("QA16", "CONE", idtmed[7], conpar, 5);
1096 gMC->Gspos("QA16", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1097 //printf(" QA16 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1099 zd2 += 2.*conpar[0];
1102 conpar[0] = 6.71/2.; // 15 degree
1103 conpar[1] = 23.19588/2.;
1104 conpar[2] = 24.79588/2.;// thickness 8 mm
1105 conpar[3] = 19.6/2.;
1106 conpar[4] = 21.2/2.;// thickness 8 mm
1107 gMC->Gsvolu("QA17", "CONE", idtmed[7], conpar, 5);
1108 gMC->Gspos("QA17", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1109 //printf(" QA19 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1111 zd2 += 2.*conpar[0];
1113 // Third part of VCTCR: tube (ID=196 mm)
1114 tubpar[0] = 19.6/2.;
1115 tubpar[1] = 21.2/2.;
1116 tubpar[2] = 9.55/2.;
1117 gMC->Gsvolu("QA18", "TUBE", idtmed[7], tubpar, 3);
1118 gMC->Gspos("QA18", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1120 //printf(" QA18 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1122 zd2 += 2.*tubpar[2];
1124 // Flange (ID=196 mm) (last part of VCTCR and first part of VMZAR)
1125 tubpar[0] = 19.6/2.;
1126 tubpar[1] = 25.3/2.;
1128 gMC->Gsvolu("QF01", "TUBE", idtmed[7], tubpar, 3);
1129 gMC->Gspos("QF01", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1131 //printf(" QF01 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1133 zd2 += 2.*tubpar[2];
1135 // VMZAR (5 volumes)
1136 tubpar[0] = 20.2/2.;
1137 tubpar[1] = 20.6/2.;
1138 tubpar[2] = 2.15/2.;
1139 gMC->Gsvolu("QA19", "TUBE", idtmed[7], tubpar, 3);
1140 gMC->Gspos("QA19", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1142 //printf(" QA19 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1144 zd2 += 2.*tubpar[2];
1147 conpar[1] = 20.2/2.;
1148 conpar[2] = 20.6/2.;
1149 conpar[3] = 23.9/2.;
1150 conpar[4] = 24.3/2.;
1151 gMC->Gsvolu("QA20", "CONE", idtmed[7], conpar, 5);
1152 gMC->Gspos("QA20", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1154 //printf(" QA20 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1156 zd2 += 2.*conpar[0];
1158 tubpar[0] = 23.9/2.;
1159 tubpar[1] = 25.5/2.;
1160 tubpar[2] = 17.0/2.;
1161 gMC->Gsvolu("QA21", "TUBE", idtmed[7], tubpar, 3);
1162 gMC->Gspos("QA21", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1164 //printf(" QA21 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1166 zd2 += 2.*tubpar[2];
1169 conpar[1] = 23.9/2.;
1170 conpar[2] = 24.3/2.;
1171 conpar[3] = 20.2/2.;
1172 conpar[4] = 20.6/2.;
1173 gMC->Gsvolu("QA22", "CONE", idtmed[7], conpar, 5);
1174 gMC->Gspos("QA22", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1176 //printf(" QA22 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1178 zd2 += 2.*conpar[0];
1180 tubpar[0] = 20.2/2.;
1181 tubpar[1] = 20.6/2.;
1182 tubpar[2] = 2.15/2.;
1183 gMC->Gsvolu("QA23", "TUBE", idtmed[7], tubpar, 3);
1184 gMC->Gspos("QA23", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1186 //printf(" QA23 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1188 zd2 += 2.*tubpar[2];
1190 // Flange (ID=196 mm)(last part of VMZAR and first part of VCTYD)
1191 tubpar[0] = 19.6/2.;
1192 tubpar[1] = 25.3/2.;
1194 gMC->Gsvolu("QF02", "TUBE", idtmed[7], tubpar, 3);
1195 gMC->Gspos("QF02", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1197 //printf(" QF02 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1199 zd2 += 2.*tubpar[2];
1201 // simulation of the trousers (VCTYB)
1202 tubpar[0] = 19.6/2.;
1203 tubpar[1] = 20.0/2.;
1205 gMC->Gsvolu("QA24", "TUBE", idtmed[7], tubpar, 3);
1206 gMC->Gspos("QA24", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1208 //printf(" QA24 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1210 zd2 += 2.*tubpar[2];
1212 // transition cone from ID=196. to ID=216.6
1213 conpar[0] = 32.55/2.;
1214 conpar[1] = 19.6/2.;
1215 conpar[2] = 20.0/2.;
1216 conpar[3] = 21.66/2.;
1217 conpar[4] = 22.06/2.;
1218 gMC->Gsvolu("QA25", "CONE", idtmed[7], conpar, 5);
1219 gMC->Gspos("QA25", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1221 //printf(" QA25 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+zd2);
1223 zd2 += 2.*conpar[0];
1226 tubpar[0] = 21.66/2.;
1227 tubpar[1] = 22.06/2.;
1228 tubpar[2] = 28.6/2.;
1229 gMC->Gsvolu("QA26", "TUBE", idtmed[7], tubpar, 3);
1230 gMC->Gspos("QA26", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1232 //printf(" QA26 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1234 zd2 += 2.*tubpar[2];
1236 // --------------------------------------------------------
1237 // RECOMBINATION CHAMBER IMPLEMENTED USING TGeo CLASSES!!!!
1238 // author: Chiara (June 2008)
1239 // --------------------------------------------------------
1240 // TRANSFORMATION MATRICES
1241 // Combi transformation:
1246 thx = 84.989100; phx = 0.000000;
1247 thy = 90.000000; phy = 90.000000;
1248 thz = 5.010900; phz = 180.000000;
1249 TGeoRotation *rotMatrix1 = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
1250 // Combi transformation:
1254 TGeoCombiTrans *rotMatrix2 = new TGeoCombiTrans("ZDC_c1", dx,dy,dz,rotMatrix1);
1255 rotMatrix2->RegisterYourself();
1256 // Combi transformation:
1261 thx = 95.010900; phx = 0.000000;
1262 thy = 90.000000; phy = 90.000000;
1263 thz = 5.010900; phz = 0.000000;
1264 TGeoRotation *rotMatrix3 = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
1265 TGeoCombiTrans *rotMatrix4 = new TGeoCombiTrans("ZDC_c2", dx,dy,dz,rotMatrix3);
1266 rotMatrix4->RegisterYourself();
1269 // VOLUMES DEFINITION
1271 TGeoVolume *pZDCA = gGeoManager->GetVolume("ZDCA");
1273 conpar[0] = (90.1-0.95-0.26)/2.;
1275 conpar[2] = 21.6/2.;
1278 new TGeoCone("QALext", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
1280 conpar[0] = (90.1-0.95-0.26)/2.;
1282 conpar[2] = 21.2/2.;
1285 new TGeoCone("QALint", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
1288 TGeoCompositeShape *pOutTrousers = new TGeoCompositeShape("outTrousers", "QALext:ZDC_c1+QALext:ZDC_c2");
1291 //TGeoMedium *medZDCFe = gGeoManager->GetMedium("ZDC_ZIRON");
1292 TGeoVolume *pQALext = new TGeoVolume("QALext",pOutTrousers, medZDCFe);
1293 pQALext->SetLineColor(kBlue);
1294 pQALext->SetVisLeaves(kTRUE);
1296 TGeoTranslation *tr1 = new TGeoTranslation(0., 0., (Double_t) conpar[0]+0.95+zd2);
1297 pZDCA->AddNode(pQALext, 1, tr1);
1299 TGeoCompositeShape *pIntTrousers = new TGeoCompositeShape("intTrousers", "QALint:ZDC_c1+QALint:ZDC_c2");
1301 //TGeoMedium *medZDCvoid = gGeoManager->GetMedium("ZDC_ZVOID");
1302 TGeoVolume *pQALint = new TGeoVolume("QALint",pIntTrousers, medZDCvoid);
1303 pQALint->SetLineColor(kAzure);
1304 pQALint->SetVisLeaves(kTRUE);
1305 pQALext->AddNode(pQALint, 1);
1309 // second section : 2 tubes (ID = 54. OD = 58.)
1312 tubpar[2] = 40.0/2.;
1313 gMC->Gsvolu("QA27", "TUBE", idtmed[7], tubpar, 3);
1314 gMC->Gspos("QA27", 1, "ZDCA", -15.8/2., 0., tubpar[2]+zd2, 0, "ONLY");
1315 gMC->Gspos("QA27", 2, "ZDCA", 15.8/2., 0., tubpar[2]+zd2, 0, "ONLY");
1317 //printf(" QA27 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1319 zd2 += 2.*tubpar[2];
1321 // transition x2zdc to recombination chamber : skewed cone
1322 conpar[0] = (10.-1.)/2.;
1327 gMC->Gsvolu("QA28", "CONE", idtmed[7], conpar, 5);
1328 gMC->Gspos("QA28", 1, "ZDCA", -7.9-0.175, 0., conpar[0]+0.5+zd2, irotpipe1, "ONLY");
1329 gMC->Gspos("QA28", 2, "ZDCA", 7.9+0.175, 0., conpar[0]+0.5+zd2, irotpipe2, "ONLY");
1330 //printf(" QA28 CONE from z = %1.2f to z= %1.2f\n",zd2,2*conpar[0]+0.2+zd2);
1332 zd2 += 2.*conpar[0]+1.;
1334 // 2 tubes (ID = 63 mm OD=70 mm)
1337 tubpar[2] = (342.5+498.3)/2.;
1338 gMC->Gsvolu("QA29", "TUBE", idtmed[7], tubpar, 3);
1339 gMC->Gspos("QA29", 1, "ZDCA", -16.5/2., 0., tubpar[2]+zd2, 0, "ONLY");
1340 gMC->Gspos("QA29", 2, "ZDCA", 16.5/2., 0., tubpar[2]+zd2, 0, "ONLY");
1341 //printf(" QA29 TUBE from z = %1.2f to z= %1.2f\n",zd2,2*tubpar[2]+zd2);
1343 zd2 += 2.*tubpar[2];
1345 // -- Luminometer (Cu box) in front of ZN - side A
1349 gMC->Gsvolu("QLUA", "BOX ", idtmed[6], boxpar, 3);
1350 gMC->Gspos("QLUA", 1, "ZDCA", 0., 0., fPosZNA[2]-66.-boxpar[2], 0, "ONLY");
1351 //printf(" QLUA LUMINOMETER from z = %1.2f to z= %1.2f\n\n", fPosZNA[2]-66., fPosZNA[2]-66.-2*boxpar[2]);
1353 //printf(" END OF BEAM PIPE VOLUME DEFINITION AT z = %f\n",zd2);
1356 // ----------------------------------------------------------------
1357 // -- MAGNET DEFINITION -> LHC OPTICS 6.5
1358 // ----------------------------------------------------------------
1359 // ***************************************************************
1360 // SIDE C - RB26 (dimuon side)
1361 // ***************************************************************
1362 // -- COMPENSATOR DIPOLE (MBXW)
1365 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1368 tubpar[2] = 153./2.;
1369 gMC->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3);
1374 tubpar[2] = 153./2.;
1375 gMC->Gsvolu("YMBX", "TUBE", idtmed[7], tubpar, 3);
1377 gMC->Gspos("MBXW", 1, "ZDCC", 0., 0., -tubpar[2]-zCorrDip, 0, "ONLY");
1378 gMC->Gspos("YMBX", 1, "ZDCC", 0., 0., -tubpar[2]-zCorrDip, 0, "ONLY");
1384 // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT
1386 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1389 tubpar[2] = 637./2.;
1390 gMC->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3);
1395 tubpar[2] = 637./2.;
1396 gMC->Gsvolu("YMQL", "TUBE", idtmed[7], tubpar, 3);
1398 gMC->Gspos("MQXL", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip, 0, "ONLY");
1399 gMC->Gspos("YMQL", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip, 0, "ONLY");
1401 gMC->Gspos("MQXL", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-2400., 0, "ONLY");
1402 gMC->Gspos("YMQL", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-2400., 0, "ONLY");
1405 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1408 tubpar[2] = 550./2.;
1409 gMC->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3);
1414 tubpar[2] = 550./2.;
1415 gMC->Gsvolu("YMQ ", "TUBE", idtmed[7], tubpar, 3);
1417 gMC->Gspos("MQX ", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-908.5, 0, "ONLY");
1418 gMC->Gspos("YMQ ", 1, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-908.5, 0, "ONLY");
1420 gMC->Gspos("MQX ", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-1558.5, 0, "ONLY");
1421 gMC->Gspos("YMQ ", 2, "ZDCC", 0., 0., -tubpar[2]-zInnTrip-1558.5, 0, "ONLY");
1423 // -- SEPARATOR DIPOLE D1
1426 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1429 tubpar[2] = 945./2.;
1430 gMC->Gsvolu("MD1 ", "TUBE", idtmed[11], tubpar, 3);
1432 // -- Insert horizontal Cu plates inside D1
1433 // -- (to simulate the vacuum chamber)
1434 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.98+0.2)*(2.98+0.2)) - 0.05;
1436 boxpar[2] = 945./2.;
1437 gMC->Gsvolu("MD1V", "BOX ", idtmed[6], boxpar, 3);
1438 gMC->Gspos("MD1V", 1, "MD1 ", 0., 2.98+boxpar[1], 0., 0, "ONLY");
1439 gMC->Gspos("MD1V", 2, "MD1 ", 0., -2.98-boxpar[1], 0., 0, "ONLY");
1443 tubpar[1] = 110./2.;
1444 tubpar[2] = 945./2.;
1445 gMC->Gsvolu("YD1 ", "TUBE", idtmed[7], tubpar, 3);
1447 gMC->Gspos("YD1 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD1, 0, "ONLY");
1448 gMC->Gspos("MD1 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD1, 0, "ONLY");
1450 //printf(" MD1 from z = %1.2f to z= %1.2f cm\n",-zD1, -zD1-2*tubpar[2]);
1454 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1457 tubpar[2] = 945./2.;
1458 gMC->Gsvolu("MD2 ", "TUBE", idtmed[11], tubpar, 3);
1463 tubpar[2] = 945./2.;
1464 gMC->Gsvolu("YD2 ", "TUBE", idtmed[7], tubpar, 3);
1466 gMC->Gspos("YD2 ", 1, "ZDCC", 0., 0., -tubpar[2]-zD2, 0, "ONLY");
1468 //printf(" YD2 from z = %1.2f to z= %1.2f cm\n",-zD2, -zD2-2*tubpar[2]);
1470 gMC->Gspos("MD2 ", 1, "YD2 ", -9.4, 0., 0., 0, "ONLY");
1471 gMC->Gspos("MD2 ", 2, "YD2 ", 9.4, 0., 0., 0, "ONLY");
1473 // ***************************************************************
1475 // ***************************************************************
1477 // COMPENSATOR DIPOLE (MCBWA) (2nd compensator)
1478 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1481 tubpar[2] = 153./2.;
1482 gMC->Gsvolu("MCBW", "TUBE", idtmed[11], tubpar, 3);
1483 gMC->Gspos("MCBW", 1, "ZDCA", 0., 0., tubpar[2]+zCorrDip, 0, "ONLY");
1488 tubpar[2] = 153./2.;
1489 gMC->Gsvolu("YMCB", "TUBE", idtmed[7], tubpar, 3);
1490 gMC->Gspos("YMCB", 1, "ZDCA", 0., 0., tubpar[2]+zCorrDip, 0, "ONLY");
1493 // -- DEFINE MQX1 AND MQX2 QUADRUPOLE ELEMENT
1495 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1498 tubpar[2] = 637./2.;
1499 gMC->Gsvolu("MQX1", "TUBE", idtmed[11], tubpar, 3);
1500 gMC->Gsvolu("MQX4", "TUBE", idtmed[11], tubpar, 3);
1505 tubpar[2] = 637./2.;
1506 gMC->Gsvolu("YMQ1", "TUBE", idtmed[7], tubpar, 3);
1509 gMC->Gspos("MQX1", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip, 0, "ONLY");
1510 gMC->Gspos("YMQ1", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip, 0, "ONLY");
1512 // -- BEAM SCREEN FOR Q1
1513 tubpar[0] = 4.78/2.;
1514 tubpar[1] = 5.18/2.;
1515 tubpar[2] = 637./2.;
1516 gMC->Gsvolu("QBS1", "TUBE", idtmed[6], tubpar, 3);
1517 gMC->Gspos("QBS1", 1, "MQX1", 0., 0., 0., 0, "ONLY");
1518 // INSERT VERTICAL PLATE INSIDE Q1
1519 boxpar[0] = 0.2/2.0;
1520 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(1.9+0.2)*(1.9+0.2));
1522 gMC->Gsvolu("QBS2", "BOX ", idtmed[6], boxpar, 3);
1523 gMC->Gspos("QBS2", 1, "MQX1", 1.9+boxpar[0], 0., 0., 0, "ONLY");
1524 gMC->Gspos("QBS2", 2, "MQX1", -1.9-boxpar[0], 0., 0., 0, "ONLY");
1527 gMC->Gspos("MQX4", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+2400., 0, "ONLY");
1528 gMC->Gspos("YMQ1", 2, "ZDCA", 0., 0., tubpar[2]+zInnTrip+2400., 0, "ONLY");
1530 // -- BEAM SCREEN FOR Q3
1531 tubpar[0] = 5.79/2.;
1532 tubpar[1] = 6.14/2.;
1533 tubpar[2] = 637./2.;
1534 gMC->Gsvolu("QBS3", "TUBE", idtmed[6], tubpar, 3);
1535 gMC->Gspos("QBS3", 1, "MQX4", 0., 0., 0., 0, "ONLY");
1536 // INSERT VERTICAL PLATE INSIDE Q3
1537 boxpar[0] = 0.2/2.0;
1538 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(2.405+0.2)*(2.405+0.2));
1540 gMC->Gsvolu("QBS4", "BOX ", idtmed[6], boxpar, 3);
1541 gMC->Gspos("QBS4", 1, "MQX4", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1542 gMC->Gspos("QBS4", 2, "MQX4", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1547 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1550 tubpar[2] = 550./2.;
1551 gMC->Gsvolu("MQX2", "TUBE", idtmed[11], tubpar, 3);
1552 gMC->Gsvolu("MQX3", "TUBE", idtmed[11], tubpar, 3);
1557 tubpar[2] = 550./2.;
1558 gMC->Gsvolu("YMQ2", "TUBE", idtmed[7], tubpar, 3);
1560 // -- BEAM SCREEN FOR Q2
1561 tubpar[0] = 5.79/2.;
1562 tubpar[1] = 6.14/2.;
1563 tubpar[2] = 550./2.;
1564 gMC->Gsvolu("QBS5", "TUBE", idtmed[6], tubpar, 3);
1565 // VERTICAL PLATE INSIDE Q2
1566 boxpar[0] = 0.2/2.0;
1567 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(2.405+0.2)*(2.405+0.2));
1569 gMC->Gsvolu("QBS6", "BOX ", idtmed[6], boxpar, 3);
1572 gMC->Gspos("MQX2", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+908.5, 0, "ONLY");
1573 gMC->Gspos("QBS5", 1, "MQX2", 0., 0., 0., 0, "ONLY");
1574 gMC->Gspos("QBS6", 1, "MQX2", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1575 gMC->Gspos("QBS6", 2, "MQX2", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1576 gMC->Gspos("YMQ2", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+908.5, 0, "ONLY");
1580 gMC->Gspos("MQX3", 1, "ZDCA", 0., 0., tubpar[2]+zInnTrip+1558.5, 0, "ONLY");
1581 gMC->Gspos("QBS5", 2, "MQX3", 0., 0., 0., 0, "ONLY");
1582 gMC->Gspos("QBS6", 3, "MQX3", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1583 gMC->Gspos("QBS6", 4, "MQX3", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1584 gMC->Gspos("YMQ2", 2, "ZDCA", 0., 0., tubpar[2]+zInnTrip+1558.5, 0, "ONLY");
1586 // -- SEPARATOR DIPOLE D1
1587 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1589 tubpar[1] = 6.75/2.;//3.375
1590 tubpar[2] = 945./2.;
1591 gMC->Gsvolu("MD1L", "TUBE", idtmed[11], tubpar, 3);
1593 // -- The beam screen tube is provided by the beam pipe in D1 (QA03 volume)
1594 // -- Insert the beam screen horizontal Cu plates inside D1
1595 // -- (to simulate the vacuum chamber)
1596 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.885+0.2)*(2.885+0.2));
1599 gMC->Gsvolu("QBS7", "BOX ", idtmed[6], boxpar, 3);
1600 gMC->Gspos("QBS7", 1, "MD1L", 0., 2.885+boxpar[1],0., 0, "ONLY");
1601 gMC->Gspos("QBS7", 2, "MD1L", 0., -2.885-boxpar[1],0., 0, "ONLY");
1606 tubpar[2] = 945./2.;
1607 gMC->Gsvolu("YD1L", "TUBE", idtmed[7], tubpar, 3);
1609 gMC->Gspos("YD1L", 1, "ZDCA", 0., 0., tubpar[2]+zD1, 0, "ONLY");
1610 gMC->Gspos("MD1L", 1, "ZDCA", 0., 0., tubpar[2]+zD1, 0, "ONLY");
1613 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1615 tubpar[1] = 7.5/2.; // this has to be checked
1616 tubpar[2] = 945./2.;
1617 gMC->Gsvolu("MD2L", "TUBE", idtmed[11], tubpar, 3);
1622 tubpar[2] = 945./2.;
1623 gMC->Gsvolu("YD2L", "TUBE", idtmed[7], tubpar, 3);
1625 gMC->Gspos("YD2L", 1, "ZDCA", 0., 0., tubpar[2]+zD2, 0, "ONLY");
1627 gMC->Gspos("MD2L", 1, "YD2L", -9.4, 0., 0., 0, "ONLY");
1628 gMC->Gspos("MD2L", 2, "YD2L", 9.4, 0., 0., 0, "ONLY");
1630 // -- END OF MAGNET DEFINITION
1633 //_____________________________________________________________________________
1634 void AliZDCv3::CreateZDC()
1637 // Create the various ZDCs (ZN + ZP)
1640 Float_t dimPb[6], dimVoid[6];
1642 Int_t *idtmed = fIdtmed->GetArray();
1644 // Parameters for hadronic calorimeters geometry
1645 // NB -> parameters used ONLY in CreateZDC()
1646 Float_t fGrvZN[3] = {0.03, 0.03, 50.}; // Grooves for neutron detector
1647 Float_t fGrvZP[3] = {0.04, 0.04, 75.}; // Grooves for proton detector
1648 Int_t fDivZN[3] = {11, 11, 0}; // Division for neutron detector
1649 Int_t fDivZP[3] = {7, 15, 0}; // Division for proton detector
1650 Int_t fTowZN[2] = {2, 2}; // Tower for neutron detector
1651 Int_t fTowZP[2] = {4, 1}; // Tower for proton detector
1653 // Parameters for EM calorimeter geometry
1654 // NB -> parameters used ONLY in CreateZDC()
1655 Float_t kDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
1656 Float_t kFibRadZEM = 0.0315; // External fiber radius (including cladding)
1657 Int_t fDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
1658 Float_t fDimZEM[6] = {fZEMLength, 3.5, 3.5, 45., 0., 0.}; // Dimensions of EM detector
1659 Float_t fFibZEM2 = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-kFibRadZEM;
1660 Float_t fFibZEM[3] = {0., 0.0275, fFibZEM2}; // Fibers for EM calorimeter
1663 //-- Create calorimeters geometry
1665 // -------------------------------------------------------------------------------
1666 //--> Neutron calorimeter (ZN)
1668 gMC->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material
1669 gMC->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material
1670 gMC->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3);
1671 gMC->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3);
1672 gMC->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3);
1673 gMC->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves
1674 gMC->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3);
1675 gMC->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3);
1676 gMC->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3);
1678 // Divide ZNEU in towers (for hits purposes)
1680 gMC->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower
1681 gMC->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower
1683 //-- Divide ZN1 in minitowers
1684 // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS,
1685 // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS
1686 // (4 fibres per minitower)
1688 gMC->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices
1689 gMC->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks
1691 // --- Position the empty grooves in the sticks (4 grooves per stick)
1692 Float_t dx = fDimZN[0] / fDivZN[0] / 4.;
1693 Float_t dy = fDimZN[1] / fDivZN[1] / 4.;
1695 gMC->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY");
1696 gMC->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY");
1697 gMC->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY");
1698 gMC->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY");
1700 // --- Position the fibers in the grooves
1701 gMC->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY");
1702 gMC->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY");
1703 gMC->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY");
1704 gMC->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY");
1706 // --- Position the neutron calorimeter in ZDC
1707 // -- Rotation of ZDCs
1709 gMC->Matrix(irotzdc, 90., 180., 90., 90., 180., 0.);
1711 gMC->Gspos("ZNEU", 1, "ZDCC", fPosZNC[0], fPosZNC[1], fPosZNC[2]-fDimZN[2], irotzdc, "ONLY");
1713 //printf("\n ZN -> %f < z < %f cm\n",fPosZN[2],fPosZN[2]-2*fDimZN[2]);
1715 // --- Position the neutron calorimeter in ZDC2 (left line)
1716 // -- No Rotation of ZDCs
1717 gMC->Gspos("ZNEU", 2, "ZDCA", fPosZNA[0], fPosZNA[1], fPosZNA[2]+fDimZN[2], 0, "ONLY");
1719 //printf("\n ZN left -> %f < z < %f cm\n",fPosZNl[2],fPosZNl[2]+2*fDimZN[2]);
1722 // -------------------------------------------------------------------------------
1723 //--> Proton calorimeter (ZP)
1725 gMC->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material
1726 gMC->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material
1727 gMC->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3);
1728 gMC->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3);
1729 gMC->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3);
1730 gMC->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves
1731 gMC->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3);
1732 gMC->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3);
1733 gMC->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3);
1735 //-- Divide ZPRO in towers(for hits purposes)
1737 gMC->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower
1738 gMC->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower
1741 //-- Divide ZP1 in minitowers
1742 // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER,
1743 // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER
1744 // (4 fiber per minitower)
1746 gMC->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices
1747 gMC->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks
1749 // --- Position the empty grooves in the sticks (4 grooves per stick)
1750 dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.;
1751 dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.;
1753 gMC->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY");
1754 gMC->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY");
1755 gMC->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY");
1756 gMC->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY");
1758 // --- Position the fibers in the grooves
1759 gMC->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY");
1760 gMC->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY");
1761 gMC->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY");
1762 gMC->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY");
1765 // --- Position the proton calorimeter in ZDCC
1766 gMC->Gspos("ZPRO", 1, "ZDCC", fPosZPC[0], fPosZPC[1], fPosZPC[2]-fDimZP[2], irotzdc, "ONLY");
1768 //printf("\n ZP -> %f < z < %f cm\n",fPosZP[2],fPosZP[2]-2*fDimZP[2]);
1770 // --- Position the proton calorimeter in ZDCA
1772 gMC->Gspos("ZPRO", 2, "ZDCA", fPosZPA[0], fPosZPA[1], fPosZPA[2]+fDimZP[2], 0, "ONLY");
1774 //printf("\n ZP left -> %f < z < %f cm\n",fPosZPl[2],fPosZPl[2]+2*fDimZP[2]);
1777 // -------------------------------------------------------------------------------
1778 // -> EM calorimeter (ZEM)
1780 gMC->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6);
1783 gMC->Matrix(irot1,0.,0.,90.,90.,-90.,0.); // Rotation matrix 1
1784 gMC->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]);// Rotation matrix 2
1785 //printf("irot1 = %d, irot2 = %d \n", irot1, irot2);
1787 gMC->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material
1789 gMC->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches
1791 dimPb[0] = kDimZEMPb; // Lead slices
1792 dimPb[1] = fDimZEM[2];
1793 dimPb[2] = fDimZEM[1];
1794 //dimPb[3] = fDimZEM[3]; //controllare
1795 dimPb[3] = 90.-fDimZEM[3]; //originale
1798 gMC->Gsvolu("ZEL0", "PARA", idtmed[5], dimPb, 6);
1799 gMC->Gsvolu("ZEL1", "PARA", idtmed[5], dimPb, 6);
1800 gMC->Gsvolu("ZEL2", "PARA", idtmed[5], dimPb, 6);
1802 // --- Position the lead slices in the tranche
1803 Float_t zTran = fDimZEM[0]/fDivZEM[2];
1804 Float_t zTrPb = -zTran+kDimZEMPb;
1805 gMC->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY");
1806 gMC->Gspos("ZEL1", 1, "ZETR", kDimZEMPb, 0., 0., 0, "ONLY");
1808 // --- Vacuum zone (to be filled with fibres)
1809 dimVoid[0] = (zTran-2*kDimZEMPb)/2.;
1810 dimVoid[1] = fDimZEM[2];
1811 dimVoid[2] = fDimZEM[1];
1812 dimVoid[3] = 90.-fDimZEM[3];
1815 gMC->Gsvolu("ZEV0", "PARA", idtmed[10], dimVoid,6);
1816 gMC->Gsvolu("ZEV1", "PARA", idtmed[10], dimVoid,6);
1818 // --- Divide the vacuum slice into sticks along x axis
1819 gMC->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3);
1820 gMC->Gsdvn("ZES1", "ZEV1", fDivZEM[0], 3);
1822 // --- Positioning the fibers into the sticks
1823 gMC->Gspos("ZEMF", 1,"ZES0", 0., 0., 0., irot2, "ONLY");
1824 gMC->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY");
1826 // --- Positioning the vacuum slice into the tranche
1827 //Float_t displFib = fDimZEM[1]/fDivZEM[0];
1828 gMC->Gspos("ZEV0", 1,"ZETR", -dimVoid[0], 0., 0., 0, "ONLY");
1829 gMC->Gspos("ZEV1", 1,"ZETR", -dimVoid[0]+zTran, 0., 0., 0, "ONLY");
1831 // --- Positioning the ZEM into the ZDC - rotation for 90 degrees
1832 // NB -> ZEM is positioned in ALIC (instead of in ZDC) volume
1833 gMC->Gspos("ZEM ", 1,"ALIC", -fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
1835 // Second EM ZDC (same side w.r.t. IP, just on the other side w.r.t. beam pipe)
1836 gMC->Gspos("ZEM ", 2,"ALIC", fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
1838 // --- Adding last slice at the end of the EM calorimeter
1839 Float_t zLastSlice = fPosZEM[2]+kDimZEMPb+2*fDimZEM[0];
1840 gMC->Gspos("ZEL2", 1,"ALIC", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY");
1842 //printf("\n ZEM lenght = %f cm\n",2*fZEMLength);
1843 //printf("\n ZEM -> %f < z < %f cm\n",fPosZEM[2],fPosZEM[2]+2*fZEMLength+zLastSlice+kDimZEMPb);
1847 //_____________________________________________________________________________
1848 void AliZDCv3::DrawModule() const
1851 // Draw a shaded view of the Zero Degree Calorimeter version 1
1854 // Set everything unseen
1855 gMC->Gsatt("*", "seen", -1);
1857 // Set ALIC mother transparent
1858 gMC->Gsatt("ALIC","SEEN",0);
1860 // Set the volumes visible
1861 gMC->Gsatt("ZDCC","SEEN",0);
1862 gMC->Gsatt("QT01","SEEN",1);
1863 gMC->Gsatt("QT02","SEEN",1);
1864 gMC->Gsatt("QT03","SEEN",1);
1865 gMC->Gsatt("QT04","SEEN",1);
1866 gMC->Gsatt("QT05","SEEN",1);
1867 gMC->Gsatt("QT06","SEEN",1);
1868 gMC->Gsatt("QT07","SEEN",1);
1869 gMC->Gsatt("QT08","SEEN",1);
1870 gMC->Gsatt("QT09","SEEN",1);
1871 gMC->Gsatt("QT10","SEEN",1);
1872 gMC->Gsatt("QT11","SEEN",1);
1873 gMC->Gsatt("QT12","SEEN",1);
1874 gMC->Gsatt("QT13","SEEN",1);
1875 gMC->Gsatt("QC01","SEEN",1);
1876 gMC->Gsatt("QC02","SEEN",1);
1877 gMC->Gsatt("QC03","SEEN",1);
1878 gMC->Gsatt("QC04","SEEN",1);
1879 gMC->Gsatt("QC05","SEEN",1);
1880 gMC->Gsatt("QC06","SEEN",1);
1881 gMC->Gsatt("QC07","SEEN",1);
1882 gMC->Gsatt("QC08","SEEN",1);
1883 gMC->Gsatt("QC09","SEEN",1);
1884 gMC->Gsatt("QC10","SEEN",1);
1885 gMC->Gsatt("MQXL","SEEN",1);
1886 gMC->Gsatt("YMQL","SEEN",1);
1887 gMC->Gsatt("MQX ","SEEN",1);
1888 gMC->Gsatt("YMQ ","SEEN",1);
1889 gMC->Gsatt("ZQYX","SEEN",1);
1890 gMC->Gsatt("MD1 ","SEEN",1);
1891 gMC->Gsatt("MD1V","SEEN",1);
1892 gMC->Gsatt("YD1 ","SEEN",1);
1893 gMC->Gsatt("MD2 ","SEEN",1);
1894 gMC->Gsatt("YD2 ","SEEN",1);
1895 gMC->Gsatt("ZNEU","SEEN",0);
1896 gMC->Gsatt("ZNF1","SEEN",0);
1897 gMC->Gsatt("ZNF2","SEEN",0);
1898 gMC->Gsatt("ZNF3","SEEN",0);
1899 gMC->Gsatt("ZNF4","SEEN",0);
1900 gMC->Gsatt("ZNG1","SEEN",0);
1901 gMC->Gsatt("ZNG2","SEEN",0);
1902 gMC->Gsatt("ZNG3","SEEN",0);
1903 gMC->Gsatt("ZNG4","SEEN",0);
1904 gMC->Gsatt("ZNTX","SEEN",0);
1905 gMC->Gsatt("ZN1 ","COLO",4);
1906 gMC->Gsatt("ZN1 ","SEEN",1);
1907 gMC->Gsatt("ZNSL","SEEN",0);
1908 gMC->Gsatt("ZNST","SEEN",0);
1909 gMC->Gsatt("ZPRO","SEEN",0);
1910 gMC->Gsatt("ZPF1","SEEN",0);
1911 gMC->Gsatt("ZPF2","SEEN",0);
1912 gMC->Gsatt("ZPF3","SEEN",0);
1913 gMC->Gsatt("ZPF4","SEEN",0);
1914 gMC->Gsatt("ZPG1","SEEN",0);
1915 gMC->Gsatt("ZPG2","SEEN",0);
1916 gMC->Gsatt("ZPG3","SEEN",0);
1917 gMC->Gsatt("ZPG4","SEEN",0);
1918 gMC->Gsatt("ZPTX","SEEN",0);
1919 gMC->Gsatt("ZP1 ","COLO",6);
1920 gMC->Gsatt("ZP1 ","SEEN",1);
1921 gMC->Gsatt("ZPSL","SEEN",0);
1922 gMC->Gsatt("ZPST","SEEN",0);
1923 gMC->Gsatt("ZEM ","COLO",7);
1924 gMC->Gsatt("ZEM ","SEEN",1);
1925 gMC->Gsatt("ZEMF","SEEN",0);
1926 gMC->Gsatt("ZETR","SEEN",0);
1927 gMC->Gsatt("ZEL0","SEEN",0);
1928 gMC->Gsatt("ZEL1","SEEN",0);
1929 gMC->Gsatt("ZEL2","SEEN",0);
1930 gMC->Gsatt("ZEV0","SEEN",0);
1931 gMC->Gsatt("ZEV1","SEEN",0);
1932 gMC->Gsatt("ZES0","SEEN",0);
1933 gMC->Gsatt("ZES1","SEEN",0);
1935 gMC->Gdopt("hide", "on");
1936 gMC->Gdopt("shad", "on");
1937 gMC->Gsatt("*", "fill", 7);
1938 gMC->SetClipBox(".");
1939 gMC->SetClipBox("*", 0, 100, -100, 100, 12000, 16000);
1940 gMC->DefaultRange();
1941 gMC->Gdraw("alic", 40, 30, 0, 488, 220, .07, .07);
1942 gMC->Gdhead(1111, "Zero Degree Calorimeter Version 3");
1943 gMC->Gdman(18, 4, "MAN");
1946 //_____________________________________________________________________________
1947 void AliZDCv3::CreateMaterials()
1950 // Create Materials for the Zero Degree Calorimeter
1952 Float_t dens, ubuf[1], wmat[3], a[3], z[3];
1954 // --- W alloy -> ZN passive material
1965 AliMixture(1, "WALL", a, z, dens, 3, wmat);
1967 // --- Brass (CuZn) -> ZP passive material
1975 AliMixture(2, "BRASS", a, z, dens, 2, wmat);
1985 AliMixture(3, "SIO2", a, z, dens, -2, wmat);
1989 AliMaterial(5, "LEAD", 207.19, 82., 11.35, .56, 18.5, ubuf, 1);
1991 // --- Copper (energy loss taken into account)
1993 AliMaterial(6, "COPP0", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
1995 // --- Iron (energy loss taken into account)
1997 AliMaterial(7, "IRON0", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
1999 // --- Iron (no energy loss)
2001 AliMaterial(8, "IRON1", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
2003 // ---------------------------------------------------------
2004 Float_t aResGas[3]={1.008,12.0107,15.9994};
2005 Float_t zResGas[3]={1.,6.,8.};
2006 Float_t wResGas[3]={0.28,0.28,0.44};
2007 Float_t dResGas = 3.2E-14;
2009 // --- Vacuum (no magnetic field)
2010 AliMixture(10, "VOID", aResGas, zResGas, dResGas, 3, wResGas);
2012 // --- Vacuum (with magnetic field)
2013 AliMixture(11, "VOIM", aResGas, zResGas, dResGas, 3, wResGas);
2015 // --- Air (no magnetic field)
2016 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
2017 Float_t zAir[4]={6.,7.,8.,18.};
2018 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
2019 Float_t dAir = 1.20479E-3;
2021 AliMixture(12, "Air $", aAir, zAir, dAir, 4, wAir);
2023 // --- Definition of tracking media:
2025 // --- Tantalum = 1 ;
2027 // --- Fibers (SiO2) = 3 ;
2028 // --- Fibers (SiO2) = 4 ;
2030 // --- Copper (with energy loss)= 6 ;
2031 // --- Copper (with energy loss)= 13 ;
2032 // --- Iron (with energy loss) = 7 ;
2033 // --- Iron (without energy loss) = 8 ;
2034 // --- Vacuum (no field) = 10
2035 // --- Vacuum (with field) = 11
2036 // --- Air (no field) = 12
2038 // ****************************************************
2039 // Tracking media parameters
2041 Float_t epsil = 0.01; // Tracking precision,
2042 Float_t stmin = 0.01; // Min. value 4 max. step (cm)
2043 Float_t stemax = 1.; // Max. step permitted (cm)
2044 Float_t tmaxfd = 0.; // Maximum angle due to field (degrees)
2045 Float_t deemax = -1.; // Maximum fractional energy loss
2046 Float_t nofieldm = 0.; // Max. field value (no field)
2047 Float_t fieldm = 45.; // Max. field value (with field)
2048 Int_t isvol = 0; // ISVOL =0 -> not sensitive volume
2049 Int_t isvolActive = 1; // ISVOL =1 -> sensitive volume
2050 Int_t inofld = 0; // IFIELD=0 -> no magnetic field
2051 Int_t ifield =2; // IFIELD=2 -> magnetic field defined in AliMagFC.h
2052 // *****************************************************
2054 AliMedium(1, "ZTANT", 1, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2055 AliMedium(2, "ZBRASS",2, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2056 AliMedium(3, "ZSIO2", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2057 AliMedium(4, "ZQUAR", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2058 AliMedium(5, "ZLEAD", 5, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2059 AliMedium(6, "ZCOPP", 6, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2060 AliMedium(7, "ZIRON", 7, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2061 AliMedium(8, "ZIRONN",8, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2062 AliMedium(10,"ZVOID",10, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2063 AliMedium(12,"ZAIR", 12, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2065 AliMedium(11,"ZVOIM",11, isvol, ifield, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
2070 //_____________________________________________________________________________
2071 void AliZDCv3::AddAlignableVolumes() const
2074 // Create entries for alignable volumes associating the symbolic volume
2075 // name with the corresponding volume path. Needs to be syncronized with
2076 // eventual changes in the geometry.
2078 TString volpath1 = "ALIC_1/ZDCC_1/ZNEU_1";
2079 TString volpath2 = "ALIC_1/ZDCC_1/ZPRO_1";
2080 TString volpath3 = "ALIC_1/ZDCA_1/ZNEU_2";
2081 TString volpath4 = "ALIC_1/ZDCA_1/ZPRO_2";
2083 TString symname1="ZDC/NeutronZDC_C";
2084 TString symname2="ZDC/ProtonZDC_C";
2085 TString symname3="ZDC/NeutronZDC_A";
2086 TString symname4="ZDC/ProtonZDC_A";
2088 if(!gGeoManager->SetAlignableEntry(symname1.Data(),volpath1.Data()))
2089 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname1.Data(),volpath1.Data()));
2091 if(!gGeoManager->SetAlignableEntry(symname2.Data(),volpath2.Data()))
2092 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname2.Data(),volpath2.Data()));
2094 if(!gGeoManager->SetAlignableEntry(symname3.Data(),volpath3.Data()))
2095 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname1.Data(),volpath1.Data()));
2097 if(!gGeoManager->SetAlignableEntry(symname4.Data(),volpath4.Data()))
2098 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname2.Data(),volpath2.Data()));
2103 //_____________________________________________________________________________
2104 void AliZDCv3::Init()
2107 Int_t *idtmed = fIdtmed->GetArray();
2109 // Thresholds for showering in the ZDCs
2111 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
2112 gMC->Gstpar(idtmed[i], "CUTELE", .001);
2113 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
2114 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
2116 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
2117 gMC->Gstpar(idtmed[i], "CUTELE", .001);
2118 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
2119 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
2121 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
2122 gMC->Gstpar(idtmed[i], "CUTELE", .001);
2123 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
2124 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
2126 // Avoid too detailed showering in TDI
2128 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
2129 gMC->Gstpar(idtmed[i], "CUTELE", .1);
2130 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
2131 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
2133 // Avoid too detailed showering along the beam line
2134 i = 7; //iron with energy loss (ZIRON)
2135 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
2136 gMC->Gstpar(idtmed[i], "CUTELE", .1);
2137 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
2138 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
2140 // Avoid too detailed showering along the beam line
2141 i = 8; //iron with energy loss (ZIRONN)
2142 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
2143 gMC->Gstpar(idtmed[i], "CUTELE", .1);
2144 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
2145 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
2147 // Avoid interaction in fibers (only energy loss allowed)
2148 i = 3; //fibers (ZSI02)
2149 gMC->Gstpar(idtmed[i], "DCAY", 0.);
2150 gMC->Gstpar(idtmed[i], "MULS", 0.);
2151 gMC->Gstpar(idtmed[i], "PFIS", 0.);
2152 gMC->Gstpar(idtmed[i], "MUNU", 0.);
2153 gMC->Gstpar(idtmed[i], "LOSS", 1.);
2154 gMC->Gstpar(idtmed[i], "PHOT", 0.);
2155 gMC->Gstpar(idtmed[i], "COMP", 0.);
2156 gMC->Gstpar(idtmed[i], "PAIR", 0.);
2157 gMC->Gstpar(idtmed[i], "BREM", 0.);
2158 gMC->Gstpar(idtmed[i], "DRAY", 0.);
2159 gMC->Gstpar(idtmed[i], "ANNI", 0.);
2160 gMC->Gstpar(idtmed[i], "HADR", 0.);
2161 i = 4; //fibers (ZQUAR)
2162 gMC->Gstpar(idtmed[i], "DCAY", 0.);
2163 gMC->Gstpar(idtmed[i], "MULS", 0.);
2164 gMC->Gstpar(idtmed[i], "PFIS", 0.);
2165 gMC->Gstpar(idtmed[i], "MUNU", 0.);
2166 gMC->Gstpar(idtmed[i], "LOSS", 1.);
2167 gMC->Gstpar(idtmed[i], "PHOT", 0.);
2168 gMC->Gstpar(idtmed[i], "COMP", 0.);
2169 gMC->Gstpar(idtmed[i], "PAIR", 0.);
2170 gMC->Gstpar(idtmed[i], "BREM", 0.);
2171 gMC->Gstpar(idtmed[i], "DRAY", 0.);
2172 gMC->Gstpar(idtmed[i], "ANNI", 0.);
2173 gMC->Gstpar(idtmed[i], "HADR", 0.);
2175 // Avoid interaction in void
2176 i = 11; //void with field
2177 gMC->Gstpar(idtmed[i], "DCAY", 0.);
2178 gMC->Gstpar(idtmed[i], "MULS", 0.);
2179 gMC->Gstpar(idtmed[i], "PFIS", 0.);
2180 gMC->Gstpar(idtmed[i], "MUNU", 0.);
2181 gMC->Gstpar(idtmed[i], "LOSS", 0.);
2182 gMC->Gstpar(idtmed[i], "PHOT", 0.);
2183 gMC->Gstpar(idtmed[i], "COMP", 0.);
2184 gMC->Gstpar(idtmed[i], "PAIR", 0.);
2185 gMC->Gstpar(idtmed[i], "BREM", 0.);
2186 gMC->Gstpar(idtmed[i], "DRAY", 0.);
2187 gMC->Gstpar(idtmed[i], "ANNI", 0.);
2188 gMC->Gstpar(idtmed[i], "HADR", 0.);
2191 fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material
2192 fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material
2193 fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1
2194 fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2
2195 fMedSensZEM = idtmed[5]; // Sensitive volume: ZEM passive material
2196 fMedSensTDI = idtmed[6]; // Sensitive volume: TDI Cu shield
2197 fMedSensPI = idtmed[7]; // Sensitive volume: beam pipes
2198 fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves
2201 //_____________________________________________________________________________
2202 void AliZDCv3::InitTables()
2205 // Read light tables for Cerenkov light production parameterization
2210 char *lightfName1,*lightfName2,*lightfName3,*lightfName4,
2211 *lightfName5,*lightfName6,*lightfName7,*lightfName8;
2212 FILE *fp1, *fp2, *fp3, *fp4, *fp5, *fp6, *fp7, *fp8;
2214 // --- Reading light tables for ZN
2215 lightfName1 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362207s");
2216 if((fp1 = fopen(lightfName1,"r")) == NULL){
2217 printf("Cannot open file fp1 \n");
2220 lightfName2 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362208s");
2221 if((fp2 = fopen(lightfName2,"r")) == NULL){
2222 printf("Cannot open file fp2 \n");
2225 lightfName3 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362209s");
2226 if((fp3 = fopen(lightfName3,"r")) == NULL){
2227 printf("Cannot open file fp3 \n");
2230 lightfName4 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362210s");
2231 if((fp4 = fopen(lightfName4,"r")) == NULL){
2232 printf("Cannot open file fp4 \n");
2236 for(k=0; k<fNalfan; k++){
2237 for(j=0; j<fNben; j++){
2238 fscanf(fp1,"%f",&fTablen[0][k][j]);
2239 fscanf(fp2,"%f",&fTablen[1][k][j]);
2240 fscanf(fp3,"%f",&fTablen[2][k][j]);
2241 fscanf(fp4,"%f",&fTablen[3][k][j]);
2249 // --- Reading light tables for ZP and ZEM
2250 lightfName5 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552207s");
2251 if((fp5 = fopen(lightfName5,"r")) == NULL){
2252 printf("Cannot open file fp5 \n");
2255 lightfName6 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552208s");
2256 if((fp6 = fopen(lightfName6,"r")) == NULL){
2257 printf("Cannot open file fp6 \n");
2260 lightfName7 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552209s");
2261 if((fp7 = fopen(lightfName7,"r")) == NULL){
2262 printf("Cannot open file fp7 \n");
2265 lightfName8 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552210s");
2266 if((fp8 = fopen(lightfName8,"r")) == NULL){
2267 printf("Cannot open file fp8 \n");
2271 for(k=0; k<fNalfap; k++){
2272 for(j=0; j<fNbep; j++){
2273 fscanf(fp5,"%f",&fTablep[0][k][j]);
2274 fscanf(fp6,"%f",&fTablep[1][k][j]);
2275 fscanf(fp7,"%f",&fTablep[2][k][j]);
2276 fscanf(fp8,"%f",&fTablep[3][k][j]);
2284 //_____________________________________________________________________________
2285 void AliZDCv3::StepManager()
2288 // Routine called at every step in the Zero Degree Calorimeters
2290 Int_t j, vol[2]={0,0}, ibeta=0, ialfa=0, ibe=0, nphe=0;
2291 Float_t hits[12], x[3], xdet[3], um[3], ud[3];
2292 Float_t m=0., ekin=0., destep=0., be=0., out=0.;
2293 // Parametrization for light guide uniformity
2294 // NEW!!! Light guide tilted @ 51 degrees
2295 Float_t guiPar[4]={0.31,-0.0006305,0.01337,0.8895};
2296 Double_t s[3], p[3];
2299 for(j=0;j<12;j++) hits[j]=-999.;
2301 // --- This part is for no shower developement in beam pipe and TDI
2302 // If particle interacts with beam pipe or TDI -> return
2303 if((gMC->CurrentMedium() == fMedSensPI) || (gMC->CurrentMedium() == fMedSensTDI)){
2304 // If option NoShower is set -> StopTrack
2307 gMC->TrackPosition(s[0],s[1],s[2]);
2308 if(gMC->CurrentMedium() == fMedSensPI){
2309 knamed = gMC->CurrentVolName();
2310 if(!strncmp(knamed,"YMQ",3)){
2311 if(s[2]<0) fpLostITC += 1;
2312 else fpLostITA += 1;
2315 else if(!strncmp(knamed,"YD1",3)){
2316 if(s[2]<0) fpLostD1C += 1;
2317 else fpLostD1A += 1;
2320 else if(!strncmp(knamed,"QAL",3)) fnTrou++;
2322 else if(gMC->CurrentMedium() == fMedSensTDI){
2323 knamed = gMC->CurrentVolName();
2324 if(!strncmp(knamed,"MD1",3)){
2325 if(s[2]<0) fpLostD1C += 1;
2326 else fpLostD1A += 1;
2329 else if(!strncmp(knamed,"QTD",3)) fpLostTDI += 1;
2330 else if(!strncmp(knamed,"QLU",3)){
2331 if(s[2]<0) fnLumiC ++;
2337 //gMC->TrackMomentum(p[0], p[1], p[2], p[3]);
2338 //printf("\t Particle: mass = %1.3f, E = %1.3f GeV, pz = %1.2f GeV -> stopped in volume %s\n",
2339 // gMC->TrackMass(), p[3], p[2], gMC->CurrentVolName());
2342 printf("\n\t **********************************\n");
2343 printf("\t ********** Side C **********\n");
2344 printf("\t # of spectators in IT = %d\n",fpLostITC);
2345 printf("\t # of spectators in D1 = %d\n",fpLostD1C);
2346 printf("\t # of spectators in luminometer = %d\n",fnLumiC);
2347 printf("\t ********** Side A **********\n");
2348 printf("\t # of spectators in IT = %d\n",fpLostITA);
2349 printf("\t # of spectators in D1 = %d\n",fpLostD1A);
2350 printf("\t # of spectators in TDI = %d\n",fpLostTDI);
2351 printf("\t # of spectators in luminometer = %d\n",fnLumiA);
2352 printf("\t # of spectators in trousers = %d\n",fnTrou);
2353 printf("\t **********************************\n");
2361 if((gMC->CurrentMedium() == fMedSensZN) || (gMC->CurrentMedium() == fMedSensZP) ||
2362 (gMC->CurrentMedium() == fMedSensGR) || (gMC->CurrentMedium() == fMedSensF1) ||
2363 (gMC->CurrentMedium() == fMedSensF2) || (gMC->CurrentMedium() == fMedSensZEM)){
2366 //Particle coordinates
2367 gMC->TrackPosition(s[0],s[1],s[2]);
2368 for(j=0; j<=2; j++) x[j] = s[j];
2373 // Determine in which ZDC the particle is
2374 knamed = gMC->CurrentVolName();
2375 if(!strncmp(knamed,"ZN",2)){
2376 if(x[2]<0.) vol[0]=1; // ZNC (dimuon side)
2377 else if(x[2]>0.) vol[0]=4; //ZNA
2379 else if(!strncmp(knamed,"ZP",2)){
2380 if(x[2]<0.) vol[0]=2; //ZPC (dimuon side)
2381 else if(x[2]>0.) vol[0]=5; //ZPA
2383 else if(!strncmp(knamed,"ZE",2)) vol[0]=3; //ZEM
2385 // Determine in which quadrant the particle is
2386 if(vol[0]==1){ //Quadrant in ZNC
2387 // Calculating particle coordinates inside ZNC
2388 xdet[0] = x[0]-fPosZNC[0];
2389 xdet[1] = x[1]-fPosZNC[1];
2390 // Calculating quadrant in ZN
2392 if(xdet[1]<=0.) vol[1]=1;
2395 else if(xdet[0]>0.){
2396 if(xdet[1]<=0.) vol[1]=2;
2401 else if(vol[0]==2){ //Quadrant in ZPC
2402 // Calculating particle coordinates inside ZPC
2403 xdet[0] = x[0]-fPosZPC[0];
2404 xdet[1] = x[1]-fPosZPC[1];
2405 if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01;
2406 if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01;
2407 // Calculating tower in ZP
2408 Float_t xqZP = xdet[0]/(fDimZP[0]/2.);
2409 for(int i=1; i<=4; i++){
2410 if(xqZP>=(i-3) && xqZP<(i-2)){
2417 // Quadrant in ZEM: vol[1] = 1 -> particle in 1st ZEM (placed at x = 8.5 cm)
2418 // vol[1] = 2 -> particle in 2nd ZEM (placed at x = -8.5 cm)
2419 else if(vol[0] == 3){
2422 // Particle x-coordinate inside ZEM1
2423 xdet[0] = x[0]-fPosZEM[0];
2427 // Particle x-coordinate inside ZEM2
2428 xdet[0] = x[0]+fPosZEM[0];
2430 xdet[1] = x[1]-fPosZEM[1];
2433 else if(vol[0]==4){ //Quadrant in ZNA
2434 // Calculating particle coordinates inside ZNA
2435 xdet[0] = x[0]-fPosZNA[0];
2436 xdet[1] = x[1]-fPosZNA[1];
2437 // Calculating quadrant in ZNA
2439 if(xdet[1]<=0.) vol[1]=1;
2442 else if(xdet[0]<0.){
2443 if(xdet[1]<=0.) vol[1]=2;
2448 else if(vol[0]==5){ //Quadrant in ZPA
2449 // Calculating particle coordinates inside ZPA
2450 xdet[0] = x[0]-fPosZPA[0];
2451 xdet[1] = x[1]-fPosZPA[1];
2452 if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01;
2453 if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01;
2454 // Calculating tower in ZP
2455 Float_t xqZP = -xdet[0]/(fDimZP[0]/2.);
2456 for(int i=1; i<=4; i++){
2457 if(xqZP>=(i-3) && xqZP<(i-2)){
2463 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
2464 AliError(Form("AliZDCv3 -> WRONG tower for det %d: tow %d with xdet=(%f, %f)\n",
2465 vol[0], vol[1], xdet[0], xdet[1]));
2467 //printf("\t *** det %d vol %d xdet(%f, %f)\n",vol[0], vol[1], xdet[0], xdet[1]);
2470 // Store impact point and kinetic energy of the ENTERING particle
2472 if(gMC->IsTrackEntering()){
2474 gMC->TrackMomentum(p[0],p[1],p[2],p[3]);
2476 // Impact point on ZDC
2477 // X takes into account the LHC x-axis sign
2478 // which is opposite to positive x on detcetor front face
2479 // for side A detectors (ZNA and ZPA)
2480 if(vol[0]==4 || vol[0]==5) hits[4] = -xdet[0];
2481 else hits[4] = xdet[0];
2488 Int_t curTrackN = gAlice->GetMCApp()->GetCurrentTrackNumber();
2489 TParticle *part = (gAlice->GetMCApp())->Particle(curTrackN);
2490 hits[10] = part->GetPdgCode();
2491 //printf("\t PDGCode = %d\n", part->GetPdgCode());
2493 hits[11] = 1.0e09*gMC->TrackTime();
2494 //printf("\t TrackTime = %f\n", hits[11]);
2496 AddHit(curTrackN, vol, hits);
2499 //printf("\t VolName %s -> det %d quad %d - x = %f, y = %f, z = %f\n",
2500 //knamed, vol[0], vol[1], x[0], x[1], x[2]);
2503 printf(" # of particles in ZNC = %d\n\n",fnDetectedC);
2507 printf(" # of particles in ZPC = %d\n\n",fpDetectedC);
2511 printf(" # of particles in ZNA = %d\n\n",fnDetectedA);
2515 printf(" # of particles in ZPA = %d\n\n",fpDetectedA);
2518 //printf("\t Particle: mass = %1.3f, E = %1.3f GeV, pz = %1.2f GeV -> stopped in volume %s\n",
2519 // gMC->TrackMass(), p[3], p[2], gMC->CurrentVolName());
2526 // Charged particles -> Energy loss
2527 if((destep=gMC->Edep())){
2528 if(gMC->IsTrackStop()){
2529 gMC->TrackMomentum(p[0],p[1],p[2],p[3]);
2530 m = gMC->TrackMass();
2535 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2541 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2547 // *** Light production in fibres
2548 if((gMC->CurrentMedium() == fMedSensF1) || (gMC->CurrentMedium() == fMedSensF2)){
2550 //Select charged particles
2551 if((destep=gMC->Edep())){
2553 // Particle velocity
2555 gMC->TrackMomentum(p[0],p[1],p[2],p[3]);
2556 Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]);
2557 if(p[3] > 0.00001) beta = ptot/p[3];
2559 if(beta<0.67)return;
2560 else if((beta>=0.67) && (beta<=0.75)) ibeta = 0;
2561 else if((beta>0.75) && (beta<=0.85)) ibeta = 1;
2562 else if((beta>0.85) && (beta<=0.95)) ibeta = 2;
2563 else if(beta>0.95) ibeta = 3;
2565 // Angle between particle trajectory and fibre axis
2566 // 1 -> Momentum directions
2570 gMC->Gmtod(um,ud,2);
2571 // 2 -> Angle < limit angle
2572 Double_t alfar = TMath::ACos(ud[2]);
2573 Double_t alfa = alfar*kRaddeg;
2574 if(alfa>=110.) return;
2576 ialfa = Int_t(1.+alfa/2.);
2578 // Distance between particle trajectory and fibre axis
2579 gMC->TrackPosition(s[0],s[1],s[2]);
2580 for(j=0; j<=2; j++){
2583 gMC->Gmtod(x,xdet,1);
2584 if(TMath::Abs(ud[0])>0.00001){
2585 Float_t dcoeff = ud[1]/ud[0];
2586 be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.));
2589 be = TMath::Abs(ud[0]);
2592 ibe = Int_t(be*1000.+1);
2593 //if((vol[0]==1)) radius = fFibZN[1];
2594 //else if((vol[0]==2)) radius = fFibZP[1];
2596 //Looking into the light tables
2597 Float_t charge = gMC->TrackCharge();
2599 if(vol[0]==1 || vol[0]==4) { // (1) ZN fibres
2600 if(ibe>fNben) ibe=fNben;
2601 out = charge*charge*fTablen[ibeta][ialfa][ibe];
2602 nphe = gRandom->Poisson(out);
2604 //if(ibeta==3) printf("\t %f \t %f \t %f\n",alfa, be, out);
2605 //printf("\t ibeta = %d, ialfa = %d, ibe = %d -> nphe = %d\n\n",ibeta,ialfa,ibe,nphe);
2606 if(gMC->CurrentMedium() == fMedSensF1){
2607 hits[7] = nphe; //fLightPMQ
2610 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2614 hits[8] = nphe; //fLightPMC
2616 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2619 else if(vol[0]==2 || vol[0]==5) {// (2) ZP fibres
2620 if(ibe>fNbep) ibe=fNbep;
2621 out = charge*charge*fTablep[ibeta][ialfa][ibe];
2622 nphe = gRandom->Poisson(out);
2623 if(gMC->CurrentMedium() == fMedSensF1){
2624 hits[7] = nphe; //fLightPMQ
2627 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2631 hits[8] = nphe; //fLightPMC
2633 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2636 else if((vol[0]==3)) { // (3) ZEM fibres
2637 if(ibe>fNbep) ibe=fNbep;
2638 out = charge*charge*fTablep[ibeta][ialfa][ibe];
2639 gMC->TrackPosition(s[0],s[1],s[2]);
2644 // z-coordinate from ZEM front face
2645 // NB-> fPosZEM[2]+fZEMLength = -1000.+2*10.3 = 979.69 cm
2646 Float_t z = -xalic[2]+fPosZEM[2]+2*fZEMLength-xalic[1];
2647 //z = xalic[2]-fPosZEM[2]-fZEMLength-xalic[1]*(TMath::Tan(45.*kDegrad));
2648 //printf(" fPosZEM[2]+2*fZEMLength = %f", fPosZEM[2]+2*fZEMLength);
2649 Float_t guiEff = guiPar[0]*(guiPar[1]*z*z+guiPar[2]*z+guiPar[3]);
2651 nphe = gRandom->Poisson(out);
2652 //printf(" out*guiEff = %f nphe = %d", out, nphe);
2655 hits[8] = nphe; //fLightPMC (ZEM1)
2657 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2660 hits[7] = nphe; //fLightPMQ (ZEM2)
2663 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);