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 <TParticle.h>
38 // --- AliRoot classes
52 //_____________________________________________________________________________
53 AliZDCv3::AliZDCv3() :
82 // Default constructor for Zero Degree Calorimeter
87 //_____________________________________________________________________________
88 AliZDCv3::AliZDCv3(const char *name, const char *title) :
117 // Standard constructor for Zero Degree Calorimeter
120 // Check that DIPO, ABSO, DIPO and SHIL is there (otherwise tracking is wrong!!!)
122 AliModule* pipe=gAlice->GetModule("PIPE");
123 AliModule* abso=gAlice->GetModule("ABSO");
124 AliModule* dipo=gAlice->GetModule("DIPO");
125 AliModule* shil=gAlice->GetModule("SHIL");
126 if((!pipe) || (!abso) || (!dipo) || (!shil)) {
127 Error("Constructor","ZDC needs PIPE, ABSO, DIPO and SHIL!!!\n");
132 for(ip=0; ip<4; ip++){
133 for(kp=0; kp<fNalfap; kp++){
134 for(jp=0; jp<fNbep; jp++){
135 fTablep[ip][kp][jp] = 0;
140 for(in=0; in<4; in++){
141 for(kn=0; kn<fNalfan; kn++){
142 for(jn=0; jn<fNben; jn++){
143 fTablen[in][kn][jn] = 0;
148 // Parameters for hadronic calorimeters geometry
157 fPosZNC[2] = -11600.;
160 fPosZPC[2] = -11600.;
173 // Parameters for EM calorimeter geometry
177 Float_t kDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
178 Float_t kDimZEMAir = 0.001; // scotch
179 Float_t kFibRadZEM = 0.0315; // External fiber radius (including cladding)
180 Int_t kDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
181 Float_t kDimZEM0 = 2*kDivZEM[2]*(kDimZEMPb+kDimZEMAir+kFibRadZEM*(TMath::Sqrt(2.)));
182 fZEMLength = kDimZEM0;
186 //_____________________________________________________________________________
187 void AliZDCv3::CreateGeometry()
190 // Create the geometry for the Zero Degree Calorimeter version 2
191 //* Initialize COMMON block ZDC_CGEOM
198 //_____________________________________________________________________________
199 void AliZDCv3::CreateBeamLine()
202 // Create the beam line elements
205 Float_t zc, zq, zd1, zd2, zql, zd2l;
206 Float_t conpar[9], tubpar[3], tubspar[5], boxpar[3];
209 Int_t *idtmed = fIdtmed->GetArray();
211 ////////////////////////////////////////////////////////////////
213 // SIDE C - RB26 (dimuon side) //
215 ///////////////////////////////////////////////////////////////
218 // -- Mother of the ZDCs (Vacuum PCON)
230 gMC->Gsvolu("ZDCC", "PCON", idtmed[10], conpar, 9);
231 gMC->Gspos("ZDCC", 1, "ALIC", 0., 0., 0., 0, "ONLY");
234 // -- FIRST SECTION OF THE BEAM PIPE (from compensator dipole to
235 // the beginning of D1)
238 // From beginning of ZDC volumes to beginning of D1
239 tubpar[2] = (5838.3-zd1)/2.;
240 gMC->Gsvolu("QT01", "TUBE", idtmed[7], tubpar, 3);
241 gMC->Gspos("QT01", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
243 //printf("\n QT01 TUBE pipe from z = %f to z= %f (D1 beg.)\n",-zd1,-2*tubpar[2]-zd1);
245 //-- SECOND SECTION OF THE BEAM PIPE (from the end of D1 to the
248 //-- FROM MAGNETIC BEGINNING OF D1 TO MAGNETIC END OF D1 + 13.5 cm
249 //-- Cylindrical pipe (r = 3.47) + conical flare
251 // -> Beginning of D1
255 tubpar[1] = 3.47+0.2;
256 tubpar[2] = 958.5/2.;
257 gMC->Gsvolu("QT02", "TUBE", idtmed[7], tubpar, 3);
258 gMC->Gspos("QT02", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
260 //printf("\n QT02 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
269 gMC->Gsvolu("QC01", "CONE", idtmed[7], conpar, 5);
270 gMC->Gspos("QC01", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
272 //printf("\n QC01 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1);
279 gMC->Gsvolu("QT03", "TUBE", idtmed[7], tubpar, 3);
280 gMC->Gspos("QT03", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
282 //printf("\n QT03 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
289 gMC->Gsvolu("QT04", "TUBE", idtmed[7], tubpar, 3);
290 gMC->Gspos("QT04", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
292 //printf("\n QT04 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
294 zd1 += tubpar[2] * 2.;
299 gMC->Gsvolu("QT05", "TUBE", idtmed[7], tubpar, 3);
300 gMC->Gspos("QT05", 1, "ZDCC", 0., 0., -tubpar[0]-zd1, 0, "ONLY");
302 //printf("\n QT05 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
304 zd1 += tubpar[2] * 2.;
309 gMC->Gsvolu("QT06", "TUBE", idtmed[7], tubpar, 3);
310 gMC->Gspos("QT06", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
312 //printf("\n QT06 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
314 zd1 += tubpar[2] * 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("\n QC02 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1);
326 zd1 += conpar[0] * 2.;
331 gMC->Gsvolu("QT07", "TUBE", idtmed[7], tubpar, 3);
332 gMC->Gspos("QT07", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
334 //printf("\n QT07 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
336 zd1 += tubpar[2] * 2.;
343 gMC->Gsvolu("QC03", "CONE", idtmed[7], conpar, 5);
344 gMC->Gspos("QC03", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
346 //printf("\n QC03 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1);
348 zd1 += conpar[0] * 2.;
352 tubpar[2] = 205.8/2.;
353 gMC->Gsvolu("QT08", "TUBE", idtmed[7], tubpar, 3);
354 gMC->Gspos("QT08", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
356 //printf("\n QT08 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
358 zd1 += tubpar[2] * 2.;
362 // QT09 is 10 cm longer to accomodate TDI
363 tubpar[2] = 515.4/2.;
364 gMC->Gsvolu("QT09", "TUBE", idtmed[7], tubpar, 3);
365 gMC->Gspos("QT09", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
367 //printf("\n QT09 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
369 zd1 += tubpar[2] * 2.;
373 // QT10 is 10 cm shorter
375 gMC->Gsvolu("QT10", "TUBE", idtmed[7], tubpar, 3);
376 gMC->Gspos("QT10", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
378 //printf("\n QT10 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
380 zd1 += tubpar[2] * 2.;
384 tubpar[2] = 778.5/2.;
385 gMC->Gsvolu("QT11", "TUBE", idtmed[7], tubpar, 3);
386 gMC->Gspos("QT11", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
388 //printf("\n QT11 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
390 zd1 += tubpar[2] * 2.;
392 conpar[0] = 14.18/2.;
397 gMC->Gsvolu("QC04", "CONE", idtmed[7], conpar, 5);
398 gMC->Gspos("QC04", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
400 //printf("\n QC04 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1);
402 zd1 += conpar[0] * 2.;
407 gMC->Gsvolu("QT12", "TUBE", idtmed[7], tubpar, 3);
408 gMC->Gspos("QT12", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
410 //printf("\n QT12 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
412 zd1 += tubpar[2] * 2.;
414 conpar[0] = 36.86/2.;
419 gMC->Gsvolu("QC05", "CONE", idtmed[7], conpar, 5);
420 gMC->Gspos("QC05", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
422 //printf("\n QC05 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1);
424 zd1 += conpar[0] * 2.;
428 tubpar[2] = 927.3/2.;
429 gMC->Gsvolu("QT13", "TUBE", idtmed[7], tubpar, 3);
430 gMC->Gspos("QT13", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
432 //printf("\n QT13 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
434 zd1 += tubpar[2] * 2.;
439 gMC->Gsvolu("QT14", "TUBE", idtmed[8], tubpar, 3);
440 gMC->Gspos("QT14", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
442 //printf("\n QT14 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
444 zd1 += tubpar[2] * 2.;
449 gMC->Gsvolu("QT15", "TUBE", idtmed[11], tubpar, 3);
450 //-- Position QT15 inside QT14
451 gMC->Gspos("QT15", 1, "QT14", -7.7, 0., 0., 0, "ONLY");
453 gMC->Gsvolu("QT16", "TUBE", idtmed[11], tubpar, 3);
454 //-- Position QT16 inside QT14
455 gMC->Gspos("QT16", 1, "QT14", 7.7, 0., 0., 0, "ONLY");
458 //-- BEAM PIPE BETWEEN END OF CONICAL PIPE AND BEGINNING OF D2
462 tubpar[2] = 680.8/2.;
463 gMC->Gsvolu("QT17", "TUBE", idtmed[7], tubpar, 3);
467 tubpar[2] = 680.8/2.;
468 gMC->Gsvolu("QT18", "TUBE", idtmed[7], tubpar, 3);
471 Float_t angle = 0.143*kDegrad; // Rotation angle
473 //AliMatrix(im1, 90.+0.143, 0., 90., 90., 0.143, 0.); // x<0
474 gMC->Matrix(im1, 90.+0.143, 0., 90., 90., 0.143, 0.); // x<0
475 gMC->Gspos("QT17", 1, "ZDCC", TMath::Sin(angle) * 680.8/ 2. - 9.4,
476 0., -tubpar[2]-zd1, im1, "ONLY");
477 //printf("\n QT17-18 pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
479 //AliMatrix(im2, 90.-0.143, 0., 90., 90., 0.143, 180.); // x>0 (ZP)
480 gMC->Matrix(im2, 90.-0.143, 0., 90., 90., 0.143, 180.); // x>0 (ZP)
481 gMC->Gspos("QT18", 1, "ZDCC", 9.7 - TMath::Sin(angle) * 680.8 / 2.,
482 0., -tubpar[2]-zd1, im2, "ONLY");
484 // -- Luminometer (Cu box) in front of ZN - side C
488 gMC->Gsvolu("QLUC", "BOX ", idtmed[6], boxpar, 3);
489 gMC->Gspos("QLUC", 1, "ZDCC", 0., 0., fPosZNC[2]+66.+boxpar[2], 0, "ONLY");
490 //printf("\n QLUC LUMINOMETER from z = %f to z= %f\n", fPosZNC[2]+66., fPosZNC[2]+66.+2*boxpar[2]);
492 // -- END OF BEAM PIPE VOLUME DEFINITION FOR SIDE C (RB26 SIDE)
493 // ----------------------------------------------------------------
495 ////////////////////////////////////////////////////////////////
499 ///////////////////////////////////////////////////////////////
501 // Rotation Matrices definition
502 Int_t irotpipe2, irotpipe1,irotpipe5, irotpipe6, irotpipe7, irotpipe8;
503 //-- rotation matrices for the tilted tube before and after the TDI
504 gMC->Matrix(irotpipe2,90.+6.3025,0.,90.,90.,6.3025,0.);
505 //-- rotation matrices for the tilted cone after the TDI to recenter vacuum chamber
506 gMC->Matrix(irotpipe1,90.-2.2918,0.,90.,90.,2.2918,180.);
507 //-- rotation matrices for the legs
508 gMC->Matrix(irotpipe5,90.-5.0109,0.,90.,90.,5.0109,180.);
509 gMC->Matrix(irotpipe6,90.+5.0109,0.,90.,90.,5.0109,0.);
510 gMC->Matrix(irotpipe7,90.-1.0027,0.,90.,90.,1.0027,180.);
511 gMC->Matrix(irotpipe8,90.+1.0027,0.,90.,90.,1.0027,0.);
513 // -- Mother of the ZDCs (Vacuum PCON)
514 zd2 = 1910.;// zd2 initial value
525 gMC->Gsvolu("ZDCA", "PCON", idtmed[10], conpar, 9);
526 gMC->Gspos("ZDCA", 1, "ALIC", 0., 0., 0., 0, "ONLY");
528 // BEAM PIPE from 19.10 m to inner triplet beginning (22.965 m)
531 tubpar[2] = 386.5/2.;
532 gMC->Gsvolu("QA01", "TUBE", idtmed[7], tubpar, 3);
533 gMC->Gspos("QA01", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
535 //printf("\n QA01 TUBE from z = %f to z= %f (Inner triplet beg.)\n",zd2,2*tubpar[2]+zd2);
539 // -- FIRST SECTION OF THE BEAM PIPE (from beginning of inner triplet to
543 tubpar[2] = 3541.8/2.;
544 gMC->Gsvolu("QA02", "TUBE", idtmed[7], tubpar, 3);
545 gMC->Gspos("QA02", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
547 //printf("\n QA02 TUBE from z = %f to z= %f (D1 beg.)\n",zd2,2*tubpar[2]+zd2);
552 // -- SECOND SECTION OF THE BEAM PIPE (from the beginning of D1 to the beginning of D2)
554 // FROM (MAGNETIC) BEGINNING OF D1 TO THE (MAGNETIC) END OF D1 + 126.5 cm
555 // CYLINDRICAL PIPE of diameter increasing from 6.75 cm up to 8.0 cm
556 // from magnetic end :
557 // 1) 80.1 cm still with ID = 6.75 radial beam screen
558 // 2) 2.5 cm conical section from ID = 6.75 to ID = 8.0 cm
559 // 3) 43.9 cm straight section (tube) with ID = 8.0 cm
561 //printf("\n Beginning of D1 at z= %f\n",zd2);
565 tubpar[2] = (945.0+80.1)/2.;
566 gMC->Gsvolu("QA03", "TUBE", idtmed[7], tubpar, 3);
567 gMC->Gspos("QA03", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
569 //printf("\n QA03 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
573 // Transition Cone from ID=67.5 mm to ID=80 mm
579 gMC->Gsvolu("QA04", "CONE", idtmed[7], conpar, 5);
580 gMC->Gspos("QA04", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
581 //printf(" QA04 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
588 gMC->Gsvolu("QA05", "TUBE", idtmed[7], tubpar, 3);
589 gMC->Gspos("QA05", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
591 //printf("\n QA05 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
595 // Bellow (ID=80 mm) - length = 0.2 m - VMAA
599 gMC->Gsvolu("QA06", "TUBE", idtmed[7], tubpar, 3);
600 gMC->Gspos("QA06", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
602 //printf(" QA06 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
606 // Beam Position Monitor (ID=80 mm) Cu - BPMSX
610 gMC->Gsvolu("QA07", "TUBE", idtmed[7], tubpar, 3);
611 gMC->Gspos("QA07", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
613 //printf(" QA07 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
617 // First section of VAEHI (tube ID=80mm)
621 gMC->Gsvolu("QAV1", "TUBE", idtmed[7], tubpar, 3);
622 gMC->Gspos("QAV1", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
624 //printf(" QAV1 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
628 // Second section of VAEHI (transition cone from ID=80mm to ID=98mm)
634 gMC->Gsvolu("QAV2", "CONE", idtmed[7], conpar, 5);
635 gMC->Gspos("QAV2", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
636 //printf(" QAV2 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
640 //Third section of VAEHI (transition cone from ID=98mm to ID=90mm)
646 gMC->Gsvolu("QAV3", "CONE", idtmed[7], conpar, 5);
647 gMC->Gspos("QAV3", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
648 //printf(" QAV3 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
652 // Fourth section of VAEHI (tube ID=90mm)
656 gMC->Gsvolu("QAV4", "TUBE", idtmed[7], tubpar, 3);
657 gMC->Gspos("QAV4", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
659 //printf(" QAV4 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
663 //---------------------------- TCDD beginning ----------------------------------
664 // space for the insertion of the collimator TCDD (2 m)
665 // TCDD ZONE - 1st volume
671 gMC->Gsvolu("Q01T", "CONE", idtmed[7], conpar, 5);
672 gMC->Gspos("Q01T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
673 //printf(" Q01T CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
677 // TCDD ZONE - 2nd volume
681 gMC->Gsvolu("Q02T", "TUBE", idtmed[7], tubpar, 3);
682 gMC->Gspos("Q02T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
684 //printf(" Q02T TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
688 // TCDD ZONE - third volume
694 gMC->Gsvolu("Q03T", "CONE", idtmed[7], conpar, 5);
695 gMC->Gspos("Q03T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
696 //printf(" Q03T CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
700 // TCDD ZONE - 4th volume
704 gMC->Gsvolu("Q04T", "TUBE", idtmed[7], tubpar, 3);
705 gMC->Gspos("Q04T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
707 //printf(" Q04T TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
711 // TCDD ZONE - 5th volume
714 tubpar[2] = 100.12/2.;
715 gMC->Gsvolu("Q05T", "TUBE", idtmed[7], tubpar, 3);
716 gMC->Gspos("Q05T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
718 //printf(" Q05T TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
722 // TCDD ZONE - 6th volume
726 gMC->Gsvolu("Q06T", "TUBE", idtmed[7], tubpar, 3);
727 gMC->Gspos("Q06T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
729 //printf(" Q06T TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
733 // TCDD ZONE - 7th volume
734 conpar[0] = 11.34/2.;
739 gMC->Gsvolu("Q07T", "CONE", idtmed[7], conpar, 5);
740 gMC->Gspos("Q07T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
741 //printf(" Q07T CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
745 // Upper section : one single phi segment of a tube
746 // 5 parameters for tubs: inner radius = 0.,
747 // outer radius = 7.5 cm, half length = 50 cm
748 // phi1 = 0., phi2 = 180.
750 tubspar[1] = 15.0/2.;
751 tubspar[2] = 100.0/2.;
754 gMC->Gsvolu("Q08T", "TUBS", idtmed[7], tubspar, 5);
756 //printf("\n upper part : one single phi segment of a tube (Q08T)\n");
758 // rectangular beam pipe inside TCDD upper section (Vacuum)
762 gMC->Gsvolu("Q09T", "BOX ", idtmed[10], boxpar, 3);
763 // positioning vacuum box in the upper section of TCDD
764 gMC->Gspos("Q09T", 1, "Q08T", 0., 1.25, 0., 0, "ONLY");
766 // lower section : one single phi segment of a tube
768 tubspar[1] = 15.0/2.;
769 tubspar[2] = 100.0/2.;
772 gMC->Gsvolu("Q10T", "TUBS", idtmed[7], tubspar, 5);
773 // rectangular beam pipe inside TCDD lower section (Vacuum)
777 gMC->Gsvolu("Q11T", "BOX ", idtmed[10], boxpar, 3);
778 // positioning vacuum box in the lower section of TCDD
779 gMC->Gspos("Q11T", 1, "Q10T", 0., -1.25, 0., 0, "ONLY");
781 // positioning TCDD elements in ZDC2, (inside TCDD volume)
782 gMC->Gspos("Q08T", 1, "ZDCA", 0., 2.5, -100+zd2, 0, "ONLY");
783 gMC->Gspos("Q10T", 1, "ZDCA", 0., -2.5, -100+zd2, 0, "ONLY");
789 gMC->Gsvolu("Q12T", "BOX ", idtmed[7], boxpar, 3);
790 // positioning RF screen at both sides of TCDD
791 gMC->Gspos("Q12T", 1, "ZDCA", tubspar[1]+boxpar[0], 0., -100+zd2, 0, "ONLY");
792 gMC->Gspos("Q12T", 2, "ZDCA", -tubspar[1]-boxpar[0], 0., -100+zd2, 0, "ONLY");
793 //---------------------------- TCDD end ---------------------------------------
795 // Bellow (ID=80 mm) - length = 0.3 m - VMAAB
799 gMC->Gsvolu("QA08", "TUBE", idtmed[7], tubpar, 3);
800 gMC->Gspos("QA08", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
802 //printf(" QA08 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
806 // Flange (ID=80 mm) Cu (first section of VCTCE)
810 gMC->Gsvolu("QA09", "TUBE", idtmed[7], tubpar, 3);
811 gMC->Gspos("QA09", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
813 //printf(" QA09 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
817 // transition cone from ID=80 to ID=212 (second section of VCTCE)
823 gMC->Gsvolu("QA10", "CONE", idtmed[7], conpar, 5);
824 gMC->Gspos("QA10", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
825 //printf(" QA10 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
829 // tube (ID=212 mm) Cu (third section of VCTCE)
832 tubpar[2] = 403.54/2.;
833 gMC->Gsvolu("QA11", "TUBE", idtmed[7], tubpar, 3);
834 gMC->Gspos("QA11", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
836 //printf(" QA11 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
840 // bellow (ID=212 mm) (VMBGA)
844 gMC->Gsvolu("QA12", "TUBE", idtmed[7], tubpar, 3);
845 gMC->Gspos("QA12", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
847 //printf(" QA12 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
851 // TDI valve assembly (ID=212 mm)
855 gMC->Gsvolu("QA13", "TUBE", idtmed[7], tubpar, 3);
856 gMC->Gspos("QA13", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
858 //printf(" QA13 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
862 // bellow (ID=212 mm) (VMBGA)
866 gMC->Gsvolu("QA14", "TUBE", idtmed[7], tubpar, 3);
867 gMC->Gspos("QA14", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
869 //printf(" QA14 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
873 // skewed transition piece (ID=212 mm) (before TDI)
877 gMC->Gsvolu("QA15", "TUBE", idtmed[7], tubpar, 3);
878 gMC->Gspos("QA15", 1, "ZDCA", 1.10446, 0., tubpar[2]+zd2, irotpipe2, "ONLY");
880 //printf(" QA15 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
884 // Vacuum chamber containing TDI
887 tubpar[2] = 540.0/2.;
888 gMC->Gsvolu("Q13T", "TUBE", idtmed[7], tubpar, 3);
889 gMC->Gspos("Q13T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
891 //printf(" Q13T TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
895 //---------------- INSERT TDI INSIDE Q13T -----------------------------------
898 boxpar[2] = 540.0/2.;
899 gMC->Gsvolu("QTD1", "BOX ", idtmed[7], boxpar, 3);
900 gMC->Gspos("QTD1", 1, "Q13T", -3.8, 10.5, 0., 0, "ONLY");
903 boxpar[2] = 540.0/2.;
904 gMC->Gsvolu("QTD2", "BOX ", idtmed[7], boxpar, 3);
905 gMC->Gspos("QTD2", 1, "Q13T", -3.8, -10.5, 0., 0, "ONLY");
908 boxpar[2] = 540.0/2.;
909 gMC->Gsvolu("QTD3", "BOX ", idtmed[7], boxpar, 3);
910 gMC->Gspos("QTD3", 1, "Q13T", -3.8+5.5+boxpar[0], 6.1, 0., 0, "ONLY");
911 gMC->Gspos("QTD3", 2, "Q13T", -3.8+5.5+boxpar[0], -6.1, 0., 0, "ONLY");
912 gMC->Gspos("QTD3", 3, "Q13T", -3.8-5.5-boxpar[0], 6.1, 0., 0, "ONLY");
913 gMC->Gspos("QTD3", 4, "Q13T", -3.8-5.5-boxpar[0], -6.1, 0., 0, "ONLY");
915 tubspar[0] = 12.0/2.;
916 tubspar[1] = 12.4/2.;
917 tubspar[2] = 540.0/2.;
920 gMC->Gsvolu("QTD4", "TUBS", idtmed[7], tubspar, 5);
921 gMC->Gspos("QTD4", 1, "Q13T", -3.8-10.6, 0., 0., 0, "ONLY");
922 tubspar[0] = 12.0/2.;
923 tubspar[1] = 12.4/2.;
924 tubspar[2] = 540.0/2.;
927 gMC->Gsvolu("QTD5", "TUBS", idtmed[7], tubspar, 5);
928 gMC->Gspos("QTD5", 1, "Q13T", -3.8+10.6, 0., 0., 0, "ONLY");
929 //---------------- END DEFINING TDI INSIDE Q13T -------------------------------
931 // skewed transition piece (ID=212 mm) (after TDI)
935 gMC->Gsvolu("QA16", "TUBE", idtmed[7], tubpar, 3);
936 gMC->Gspos("QA16", 1, "ZDCA", 1.10446+2.2, 0., tubpar[2]+zd2, irotpipe2, "ONLY");
938 //printf(" QA16 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
942 // bellow (ID=212 mm) (VMBGA)
946 gMC->Gsvolu("QA17", "TUBE", idtmed[7], tubpar, 3);
947 gMC->Gspos("QA17", 1, "ZDCA", 4.4, 0., tubpar[2]+zd2, 0, "ONLY");
949 //printf(" QA17 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
953 // TDI valve assembly (ID=212 mm)
957 gMC->Gsvolu("QA18", "TUBE", idtmed[7], tubpar, 3);
958 gMC->Gspos("QA18", 1, "ZDCA", 4.4, 0., tubpar[2]+zd2, 0, "ONLY");
960 //printf(" QA18 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
964 // bellow (ID=212 mm) (VMBGA)
968 gMC->Gsvolu("QA19", "TUBE", idtmed[7], tubpar, 3);
969 gMC->Gspos("QA19", 1, "ZDCA", 4.4, 0., tubpar[2]+zd2, 0, "ONLY");
971 //printf(" QA19 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
975 // vacuum chamber (ID=212 mm) (BTVST)
979 gMC->Gsvolu("QA20", "TUBE", idtmed[7], tubpar, 3);
980 gMC->Gspos("QA20", 1, "ZDCA", 4.4, 0., tubpar[2]+zd2, 0, "ONLY");
982 //printf(" QA20 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
986 // bellow (ID=212 mm) (VMBGA) repeated 3 times
989 tubpar[2] = 120.0/2.;
990 gMC->Gsvolu("QA21", "TUBE", idtmed[7], tubpar, 3);
991 gMC->Gspos("QA21", 1, "ZDCA", 4.4, 0., tubpar[2]+zd2, 0, "ONLY");
993 //printf(" QA21 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
997 // skewed transition cone from ID=212 mm to ID=797 mm SS for the moment
998 conpar[0] = 110.0/2.;
1000 conpar[2] = 21.8/2.;
1001 conpar[3] = 79.7/2.;
1002 conpar[4] = 81.3/2.;
1003 gMC->Gsvolu("QA22", "CONE", idtmed[7], conpar, 5);
1004 gMC->Gspos("QA22", 1, "ZDCA", 4.4-2.201, 0., conpar[0]+zd2, irotpipe1, "ONLY");
1005 //printf(" QA22 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
1007 zd2 += 2.*conpar[0];
1009 // beam pipe (ID=797 mm) SS
1010 tubpar[0] = 79.7/2.;
1011 tubpar[1] = 81.3/2.;
1012 tubpar[2] = 2393.05/2.;
1013 gMC->Gsvolu("QA23", "TUBE", idtmed[7], tubpar, 3);
1014 gMC->Gspos("QA23", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1016 //printf(" QA23 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1018 zd2 += 2.*tubpar[2];
1020 // Transition from ID=797 mm to ID=196 mm SS for the moment:
1022 // in order to simulate the thin window opened in the transition cone
1023 // we divide the transition cone in three cones:
1024 // the first 8 mm thick
1025 // the second 3 mm thick
1026 // the third 8 mm thick
1029 conpar[0] = 9.09/2.; // 15 degree
1030 conpar[1] = 79.7/2.;
1031 conpar[2] = 81.3/2.; // thickness 8 mm
1032 conpar[3] = 74.82868/2.;
1033 conpar[4] = 76.42868/2.; // thickness 8 mm
1034 gMC->Gsvolu("Q24A", "CONE", idtmed[7], conpar, 5);
1035 gMC->Gspos("Q24A", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1036 //printf(" Q24A CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
1038 zd2 += 2.*conpar[0];
1041 conpar[0] = 96.2/2.; // 15 degree
1042 conpar[1] = 74.82868/2.;
1043 conpar[2] = 75.42868/2.; // thickness 3 mm
1044 conpar[3] = 23.19588/2.;
1045 conpar[4] = 23.79588/2.; // thickness 3 mm
1046 gMC->Gsvolu("QA25", "CONE", idtmed[7], conpar, 5);
1047 gMC->Gspos("QA25", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1048 //printf(" QA25 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
1050 zd2 += 2.*conpar[0];
1053 conpar[0] = 6.71/2.; // 15 degree
1054 conpar[1] = 23.19588/2.;
1055 conpar[2] = 24.79588/2.;// thickness 8 mm
1056 conpar[3] = 19.6/2.;
1057 conpar[4] = 21.2/2.;// thickness 8 mm
1058 gMC->Gsvolu("QA26", "CONE", idtmed[7], conpar, 5);
1059 gMC->Gspos("QA26", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1060 //printf(" QA26 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
1062 zd2 += 2.*conpar[0];
1064 // beam pipe (ID=196 mm)
1065 tubpar[0] = 19.6/2.;
1066 tubpar[1] = 21.2/2.;
1067 tubpar[2] = 9.55/2.;
1068 gMC->Gsvolu("QA27", "TUBE", idtmed[7], tubpar, 3);
1069 gMC->Gspos("QA27", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1071 //printf(" QA27 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1073 zd2 += 2.*tubpar[2];
1075 // Flange (ID=196 mm)
1076 tubpar[0] = 19.6/2.;
1077 tubpar[1] = 25.3/2.;
1079 gMC->Gsvolu("QF01", "TUBE", idtmed[7], tubpar, 3);
1080 gMC->Gspos("QF01", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1082 //printf(" QF01 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1084 zd2 += 2.*tubpar[2];
1086 // Special Warm Module (made by 5 volumes)
1087 tubpar[0] = 20.2/2.;
1088 tubpar[1] = 20.6/2.;
1089 tubpar[2] = 2.15/2.;
1090 gMC->Gsvolu("QA28", "TUBE", idtmed[7], tubpar, 3);
1091 gMC->Gspos("QA28", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1093 //printf(" QA28 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1095 zd2 += 2.*tubpar[2];
1098 conpar[1] = 20.2/2.;
1099 conpar[2] = 20.6/2.;
1100 conpar[3] = 23.9/2.;
1101 conpar[4] = 24.3/2.;
1102 gMC->Gsvolu("QA29", "CONE", idtmed[7], conpar, 5);
1103 gMC->Gspos("QA29", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1105 //printf(" QA29 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
1107 zd2 += 2.*conpar[0];
1109 tubpar[0] = 23.9/2.;
1110 tubpar[1] = 25.5/2.;
1111 tubpar[2] = 17.0/2.;
1112 gMC->Gsvolu("QA30", "TUBE", idtmed[7], tubpar, 3);
1113 gMC->Gspos("QA30", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1115 //printf(" QA30 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1117 zd2 += 2.*tubpar[2];
1120 conpar[1] = 23.9/2.;
1121 conpar[2] = 24.3/2.;
1122 conpar[3] = 20.2/2.;
1123 conpar[4] = 20.6/2.;
1124 gMC->Gsvolu("QA31", "CONE", idtmed[7], conpar, 5);
1125 gMC->Gspos("QA31", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1127 //printf(" QA31 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
1129 zd2 += 2.*conpar[0];
1131 tubpar[0] = 20.2/2.;
1132 tubpar[1] = 20.6/2.;
1133 tubpar[2] = 2.15/2.;
1134 gMC->Gsvolu("QA32", "TUBE", idtmed[7], tubpar, 3);
1135 gMC->Gspos("QA32", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1137 //printf(" QA32 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1139 zd2 += 2.*tubpar[2];
1141 // Flange (ID=196 mm)
1142 tubpar[0] = 19.6/2.;
1143 tubpar[1] = 25.3/2.;
1145 gMC->Gsvolu("QF02", "TUBE", idtmed[7], tubpar, 3);
1146 gMC->Gspos("QF02", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1148 //printf(" QF02 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1150 zd2 += 2.*tubpar[2];
1152 // simulation of the trousers (VCTYB)
1153 // (last design -mail 3/6/05)
1154 // pipe: a tube (ID = 196. OD = 200.)
1155 tubpar[0] = 19.6/2.;
1156 tubpar[1] = 20.0/2.;
1158 gMC->Gsvolu("QA33", "TUBE", idtmed[7], tubpar, 3);
1159 gMC->Gspos("QA33", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1161 //printf(" QA33 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1163 zd2 += 2.*tubpar[2];
1165 // transition cone from ID=196. to ID=216.6
1166 conpar[0] = 32.55/2.;
1167 conpar[1] = 19.6/2.;
1168 conpar[2] = 20.0/2.;
1169 conpar[3] = 21.66/2.;
1170 conpar[4] = 22.06/2.;
1171 gMC->Gsvolu("QA34", "CONE", idtmed[7], conpar, 5);
1172 gMC->Gspos("QA34", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1174 //printf(" QA34 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
1176 zd2 += 2.*conpar[0];
1178 // Flange: first support for the trousers
1179 boxpar[0] = 25.3/2.;
1180 boxpar[1] = 25.3/2.;
1182 gMC->Gsvolu("QF03", "BOX ", idtmed[7], boxpar, 3);
1184 tubpar[1] = 22.06/2.;
1186 gMC->Gsvolu("QFV1", "TUBE", idtmed[10], tubpar, 3);
1187 gMC->Gspos("QFV1", 1, "QF03", 0., 0., 0., 0, "MANY");
1188 gMC->Gspos("QF03", 1, "ZDCA", 0., 0., 14.3+zd2, 0, "MANY");
1191 tubpar[0] = 21.66/2.;
1192 tubpar[1] = 22.06/2.;
1193 tubpar[2] = 28.6/2.;
1194 gMC->Gsvolu("QA35", "TUBE", idtmed[7], tubpar, 3);
1195 gMC->Gspos("QA35", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1197 //printf("\n QA35 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1199 zd2 += 2.*tubpar[2];
1201 // legs of the trousers
1202 conpar[0] = (90.1+0.8)/2.;
1204 conpar[2] = 21.6/2.;
1207 gMC->Gsvolu("QAL1", "CONE", idtmed[7], conpar, 5);
1208 gMC->Gsvolu("QAL2", "CONE", idtmed[7], conpar, 5);
1209 gMC->Gspos("QAL1", 1, "ZDCA", -3.45-0.52, 0., (90.1/2.)+zd2, irotpipe5, "MANY");
1210 gMC->Gspos("QAL2", 1, "ZDCA", 3.45+0.52, 0., (90.1/2.)+zd2, irotpipe6, "MANY");
1212 conpar[0] = (90.1+0.8)/2.;
1214 conpar[2] = 21.2/2.;
1217 gMC->Gsvolu("QAL3", "CONE", idtmed[10], conpar, 5);
1218 gMC->Gsvolu("QAL4", "CONE", idtmed[10], conpar, 5);
1219 gMC->Gspos("QAL3", 1, "ZDCA", -3.45-0.52, 0., (90.1/2.)+zd2, irotpipe5, "ONLY");
1220 gMC->Gspos("QAL4", 1, "ZDCA", 3.45+0.52, 0., (90.1/2.)+zd2, irotpipe6, "ONLY");
1224 // second section : 2 tubes (ID = 54. OD = 58.)
1227 tubpar[2] = 40.0/2.;
1228 gMC->Gsvolu("QA36", "TUBE", idtmed[7], tubpar, 3);
1229 gMC->Gspos("QA36", 1, "ZDCA", -15.8/2., 0., tubpar[2]+zd2, 0, "ONLY");
1230 gMC->Gspos("QA36", 2, "ZDCA", 15.8/2., 0., tubpar[2]+zd2, 0, "ONLY");
1232 //printf(" QA36 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1234 zd2 += 2.*tubpar[2];
1236 // transition x2zdc to recombination chamber : skewed cone
1242 gMC->Gsvolu("QA37", "CONE", idtmed[7], conpar, 5);
1243 gMC->Gspos("QA37", 1, "ZDCA", -7.9-0.175, 0., conpar[0]+zd2, irotpipe7, "ONLY");
1244 gMC->Gspos("QA37", 2, "ZDCA", 7.9+0.175, 0., conpar[0]+zd2, irotpipe8, "ONLY");
1245 //printf(" QA37 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
1247 zd2 += 2.*conpar[0];
1249 // Flange: second support for the trousers
1250 boxpar[0] = 25.9/2.;
1253 gMC->Gsvolu("QF04", "BOX ", idtmed[7], boxpar, 3);
1254 boxpar[0] = 16.5/2.;
1257 gMC->Gsvolu("QFV2", "BOX ", idtmed[10], boxpar, 3);
1258 gMC->Gspos("QFV2", 1, "QF04", 0., 0., 0., 0, "MANY");
1259 tubspar[0] = 0.0/2.;
1264 gMC->Gsvolu("QFV3", "TUBS", idtmed[10], tubspar, 5);
1265 gMC->Gspos("QFV3", 1, "QF04", -16.5/2., 0., 0., 0, "MANY");
1266 tubspar[0] = 0.0/2.;
1271 gMC->Gsvolu("QFV4", "TUBS", idtmed[10], tubspar, 5);
1272 gMC->Gspos("QFV4", 1, "QF04", 16.5/2., 0., 0., 0, "MANY");
1273 gMC->Gspos("QF04", 1, "ZDCA", 0., 0., 18.5+zd2, 0, "MANY");
1275 // 2 tubes (ID = 63 mm OD=70 mm)
1278 tubpar[2] = 512.9/2.;
1279 gMC->Gsvolu("QA38", "TUBE", idtmed[7], tubpar, 3);
1280 gMC->Gspos("QA38", 1, "ZDCA", -16.5/2., 0., tubpar[2]+zd2, 0, "ONLY");
1281 gMC->Gspos("QA38", 2, "ZDCA", 16.5/2., 0., tubpar[2]+zd2, 0, "ONLY");
1282 //printf(" QA38 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1284 zd2 += 2.*tubpar[2];
1285 //printf("\n END OF BEAM PIPE VOLUME DEFINITION AT z= %f\n",zd2);
1287 // -- Luminometer (Cu box) in front of ZN - side A
1291 gMC->Gsvolu("QLUA", "BOX ", idtmed[7], boxpar, 3);
1292 gMC->Gspos("QLUA", 1, "ZDCA", 0., 0., fPosZNA[2]-66.-boxpar[2], 0, "ONLY");
1293 //printf("\n QLUC LUMINOMETER from z = %f to z= %f\n\n", fPosZNA[2]-66., fPosZNA[2]-66.-2*boxpar[2]);
1296 // ----------------------------------------------------------------
1297 // -- MAGNET DEFINITION -> LHC OPTICS 6.5
1298 // ----------------------------------------------------------------
1299 // ***************************************************************
1300 // SIDE C - RB26 (dimuon side)
1301 // ***************************************************************
1302 // -- COMPENSATOR DIPOLE (MBXW)
1306 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1309 //tubpar[2] = 170./2.;
1310 tubpar[2] = 153./2.;
1311 gMC->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3);
1316 //tubpar[2] = 170./2.;
1317 tubpar[2] = 153./2.;
1318 gMC->Gsvolu("YMBX", "TUBE", idtmed[7], tubpar, 3);
1320 gMC->Gspos("MBXW", 1, "ZDCC", 0., 0., -tubpar[2]-zc, 0, "ONLY");
1321 gMC->Gspos("YMBX", 1, "ZDCC", 0., 0., -tubpar[2]-zc, 0, "ONLY");
1327 // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT
1329 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1332 tubpar[2] = 637./2.;
1333 gMC->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3);
1338 tubpar[2] = 637./2.;
1339 gMC->Gsvolu("YMQL", "TUBE", idtmed[7], tubpar, 3);
1341 gMC->Gspos("MQXL", 1, "ZDCC", 0., 0., -tubpar[2]-zq, 0, "ONLY");
1342 gMC->Gspos("YMQL", 1, "ZDCC", 0., 0., -tubpar[2]-zq, 0, "ONLY");
1344 gMC->Gspos("MQXL", 2, "ZDCC", 0., 0., -tubpar[2]-zq-2400., 0, "ONLY");
1345 gMC->Gspos("YMQL", 2, "ZDCC", 0., 0., -tubpar[2]-zq-2400., 0, "ONLY");
1348 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1351 tubpar[2] = 550./2.;
1352 gMC->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3);
1357 tubpar[2] = 550./2.;
1358 gMC->Gsvolu("YMQ ", "TUBE", idtmed[7], tubpar, 3);
1360 gMC->Gspos("MQX ", 1, "ZDCC", 0., 0., -tubpar[2]-zq-908.5, 0, "ONLY");
1361 gMC->Gspos("YMQ ", 1, "ZDCC", 0., 0., -tubpar[2]-zq-908.5, 0, "ONLY");
1363 gMC->Gspos("MQX ", 2, "ZDCC", 0., 0., -tubpar[2]-zq-1558.5, 0, "ONLY");
1364 gMC->Gspos("YMQ ", 2, "ZDCC", 0., 0., -tubpar[2]-zq-1558.5, 0, "ONLY");
1366 // -- SEPARATOR DIPOLE D1
1369 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1371 tubpar[1] = 6.94/2.;
1372 tubpar[2] = 945./2.;
1373 gMC->Gsvolu("MD1 ", "TUBE", idtmed[11], tubpar, 3);
1375 // -- Insert horizontal Cu plates inside D1
1376 // -- (to simulate the vacuum chamber)
1377 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.98+0.2)*(2.98+0.2)) - 0.05;
1380 gMC->Gsvolu("MD1V", "BOX ", idtmed[6], boxpar, 3);
1381 gMC->Gspos("MD1V", 1, "MD1 ", 0., 2.98+boxpar[1], 0., 0, "ONLY");
1382 gMC->Gspos("MD1V", 2, "MD1 ", 0., -2.98-boxpar[1], 0., 0, "ONLY");
1387 tubpar[2] = 945./2.;
1388 gMC->Gsvolu("YD1 ", "TUBE", idtmed[7], tubpar, 3);
1390 gMC->Gspos("YD1 ", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
1391 gMC->Gspos("MD1 ", 1, "YD1 ", 0., 0., 0., 0, "ONLY");
1393 //printf("\t **** D1 positioned! It goes from z = %1.2f to z = %1.2f cm\n",-zd1, -zd1-2*tubpar[2]);
1396 // --- LHC optics v6.4
1399 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1402 tubpar[2] = 945./2.;
1403 gMC->Gsvolu("MD2 ", "TUBE", idtmed[11], tubpar, 3);
1408 tubpar[2] = 945./2.;
1409 gMC->Gsvolu("YD2 ", "TUBE", idtmed[7], tubpar, 3);
1411 gMC->Gspos("YD2 ", 1, "ZDCC", 0., 0., -tubpar[2]-zd2, 0, "ONLY");
1413 gMC->Gspos("MD2 ", 1, "YD2 ", -9.4, 0., 0., 0, "ONLY");
1414 gMC->Gspos("MD2 ", 2, "YD2 ", 9.4, 0., 0., 0, "ONLY");
1416 // ***************************************************************
1418 // ***************************************************************
1420 // COMPENSATOR DIPOLE (MCBWA) (2nd compensator)
1421 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1424 tubpar[2] = 153./2.;
1425 gMC->Gsvolu("MCBW", "TUBE", idtmed[11], tubpar, 3);
1426 gMC->Gspos("MCBW", 1, "ZDCA", 0., 0., tubpar[2]+1972.5, 0, "ONLY");
1431 tubpar[2] = 153./2.;
1432 gMC->Gsvolu("YMCB", "TUBE", idtmed[7], tubpar, 3);
1433 gMC->Gspos("YMCB", 1, "ZDCA", 0., 0., tubpar[2]+1972.5, 0, "ONLY");
1439 // -- DEFINE MQX1 AND MQX2 QUADRUPOLE ELEMENT
1441 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1444 tubpar[2] = 637./2.;
1445 gMC->Gsvolu("MQX1", "TUBE", idtmed[11], tubpar, 3);
1450 tubpar[2] = 637./2.;
1451 gMC->Gsvolu("YMQ1", "TUBE", idtmed[7], tubpar, 3);
1453 // -- BEAM SCREEN FOR Q1
1454 tubpar[0] = 4.78/2.;
1455 tubpar[1] = 5.18/2.;
1456 tubpar[2] = 637./2.;
1457 gMC->Gsvolu("QBS1", "TUBE", idtmed[6], tubpar, 3);
1458 gMC->Gspos("QBS1", 1, "ZDCA", 0., 0., tubpar[2]+zql, 0, "ONLY");
1459 // INSERT VERTICAL PLATE INSIDE Q1
1460 boxpar[0] = 0.2/2.0;
1461 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(1.9+0.2)*(1.9+0.2));
1463 gMC->Gsvolu("QBS2", "BOX ", idtmed[6], boxpar, 3);
1464 gMC->Gspos("QBS2", 1, "ZDCA", 1.9+boxpar[0], 0., boxpar[2]+zql, 0, "ONLY");
1465 gMC->Gspos("QBS2", 2, "ZDCA", -1.9-boxpar[0], 0., boxpar[2]+zql, 0, "ONLY");
1467 // -- BEAM SCREEN FOR Q3
1468 tubpar[0] = 5.79/2.;
1469 tubpar[1] = 6.14/2.;
1470 tubpar[2] = 637./2.;
1471 gMC->Gsvolu("QBS3", "TUBE", idtmed[6], tubpar, 3);
1472 gMC->Gspos("QBS3", 1, "ZDCA", 0., 0., tubpar[2]+zql+2400., 0, "ONLY");
1473 // INSERT VERTICAL PLATE INSIDE Q3
1474 boxpar[0] = 0.2/2.0;
1475 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(2.405+0.2)*(2.405+0.2));
1477 gMC->Gsvolu("QBS4", "BOX ", idtmed[6], boxpar, 3);
1478 gMC->Gspos("QBS4", 1, "ZDCA", 2.405+boxpar[0], 0., boxpar[2]+zql+2400., 0, "ONLY");
1479 gMC->Gspos("QBS4", 2, "ZDCA", -2.405-boxpar[0], 0., boxpar[2]+zql+2400., 0, "ONLY");
1482 gMC->Gspos("MQX1", 1, "ZDCA", 0., 0., tubpar[2]+zql, 0, "MANY");
1483 gMC->Gspos("YMQ1", 1, "ZDCA", 0., 0., tubpar[2]+zql, 0, "ONLY");
1486 gMC->Gspos("MQX1", 2, "ZDCA", 0., 0., tubpar[2]+zql+2400., 0, "MANY");
1487 gMC->Gspos("YMQ1", 2, "ZDCA", 0., 0., tubpar[2]+zql+2400., 0, "ONLY");
1491 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1494 tubpar[2] = 550./2.;
1495 gMC->Gsvolu("MQX2", "TUBE", idtmed[11], tubpar, 3);
1500 tubpar[2] = 550./2.;
1501 gMC->Gsvolu("YMQ2", "TUBE", idtmed[7], tubpar, 3);
1504 // -- BEAM SCREEN FOR Q2
1505 tubpar[0] = 5.79/2.;
1506 tubpar[1] = 6.14/2.;
1507 tubpar[2] = 550./2.;
1508 gMC->Gsvolu("QBS5", "TUBE", idtmed[6], tubpar, 3);
1509 // VERTICAL PLATE INSIDE Q2
1510 boxpar[0] = 0.2/2.0;
1511 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(2.405+0.2)*(2.405+0.2));
1513 gMC->Gsvolu("QBS6", "BOX ", idtmed[6], boxpar, 3);
1516 gMC->Gspos("MQX2", 1, "ZDCA", 0., 0., tubpar[2]+zql+908.5, 0, "MANY");
1517 gMC->Gspos("QBS5", 1, "ZDCA", 0., 0., tubpar[2]+zql+908.5, 0, "ONLY");
1518 gMC->Gspos("QBS6", 1, "ZDCA", 2.405+boxpar[0], 0., boxpar[2]+zql+908.5, 0, "ONLY");
1519 gMC->Gspos("QBS6", 2, "ZDCA", -2.405-boxpar[0], 0., boxpar[2]+zql+908.5, 0, "ONLY");
1520 gMC->Gspos("YMQ2", 1, "ZDCA", 0., 0., tubpar[2]+zql+908.5, 0, "ONLY");
1524 gMC->Gspos("MQX2", 2, "ZDCA", 0., 0., tubpar[2]+zql+1558.5, 0, "MANY");
1525 gMC->Gspos("QBS5", 2, "ZDCA", 0., 0., tubpar[2]+zql+1558.5, 0, "ONLY");
1526 gMC->Gspos("QBS6", 3, "ZDCA", 2.405+boxpar[0], 0., boxpar[2]+zql+1558.5, 0, "ONLY");
1527 gMC->Gspos("QBS6", 4, "ZDCA", -2.405-boxpar[0], 0., boxpar[2]+zql+1558.5, 0, "ONLY");
1528 gMC->Gspos("YMQ2", 2, "ZDCA", 0., 0., tubpar[2]+zql+1558.5, 0, "ONLY");
1530 // -- SEPARATOR DIPOLE D1
1533 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1535 tubpar[1] = 6.75/2.;
1536 tubpar[2] = 945./2.;
1537 gMC->Gsvolu("MD1L", "TUBE", idtmed[11], tubpar, 3);
1539 // -- The beam screen tube is provided by the beam pipe in D1 (QA03 volume)
1540 // -- Insert the beam screen horizontal Cu plates inside D1
1541 // -- (to simulate the vacuum chamber)
1542 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.885+0.2)*(2.885+0.2));
1544 boxpar[2] =(945.+80.1)/2.;
1545 gMC->Gsvolu("QBS7", "BOX ", idtmed[6], boxpar, 3);
1546 gMC->Gspos("QBS7", 1, "ZDCA", 0., 2.885+boxpar[1],boxpar[2]+zd2, 0, "ONLY");
1547 gMC->Gspos("QBS7", 2, "ZDCA", 0., -2.885-boxpar[1],boxpar[2]+zd2, 0, "ONLY");
1550 tubpar[0] = 7.34/2.; // to be checked
1552 tubpar[2] = 945./2.;
1553 gMC->Gsvolu("YD1L", "TUBE", idtmed[7], tubpar, 3);
1555 gMC->Gspos("YD1L", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1556 gMC->Gspos("MD1L", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "MANY");
1560 // --- LHC optics v6.5
1563 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1565 tubpar[1] = 7.5/2.; // this has to be checked
1566 tubpar[2] = 945./2.;
1567 gMC->Gsvolu("MD2L", "TUBE", idtmed[11], tubpar, 3);
1572 tubpar[2] = 945./2.;
1573 gMC->Gsvolu("YD2L", "TUBE", idtmed[7], tubpar, 3);
1575 gMC->Gspos("YD2L", 1, "ZDCA", 0., 0., tubpar[2]+zd2l, 0, "ONLY");
1577 gMC->Gspos("MD2L", 1, "YD2L", -9.4, 0., 0., 0, "ONLY");
1578 gMC->Gspos("MD2L", 2, "YD2L", 9.4, 0., 0., 0, "ONLY");
1580 // -- END OF MAGNET DEFINITION
1583 //_____________________________________________________________________________
1584 void AliZDCv3::CreateZDC()
1587 // Create the various ZDCs (ZN + ZP)
1590 Float_t dimPb[6], dimVoid[6];
1592 Int_t *idtmed = fIdtmed->GetArray();
1594 // Parameters for hadronic calorimeters geometry
1595 // NB -> parameters used ONLY in CreateZDC()
1596 Float_t fGrvZN[3] = {0.03, 0.03, 50.}; // Grooves for neutron detector
1597 Float_t fGrvZP[3] = {0.04, 0.04, 75.}; // Grooves for proton detector
1598 Int_t fDivZN[3] = {11, 11, 0}; // Division for neutron detector
1599 Int_t fDivZP[3] = {7, 15, 0}; // Division for proton detector
1600 Int_t fTowZN[2] = {2, 2}; // Tower for neutron detector
1601 Int_t fTowZP[2] = {4, 1}; // Tower for proton detector
1603 // Parameters for EM calorimeter geometry
1604 // NB -> parameters used ONLY in CreateZDC()
1605 Float_t kDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
1606 Float_t kFibRadZEM = 0.0315; // External fiber radius (including cladding)
1607 Int_t fDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
1608 Float_t fDimZEM[6] = {fZEMLength, 3.5, 3.5, 45., 0., 0.}; // Dimensions of EM detector
1609 Float_t fFibZEM2 = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-kFibRadZEM;
1610 Float_t fFibZEM[3] = {0., 0.0275, fFibZEM2}; // Fibers for EM calorimeter
1613 //-- Create calorimeters geometry
1615 // -------------------------------------------------------------------------------
1616 //--> Neutron calorimeter (ZN)
1618 gMC->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material
1619 gMC->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material
1620 gMC->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3);
1621 gMC->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3);
1622 gMC->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3);
1623 gMC->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves
1624 gMC->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3);
1625 gMC->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3);
1626 gMC->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3);
1628 // Divide ZNEU in towers (for hits purposes)
1630 gMC->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower
1631 gMC->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower
1633 //-- Divide ZN1 in minitowers
1634 // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS,
1635 // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS
1636 // (4 fibres per minitower)
1638 gMC->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices
1639 gMC->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks
1641 // --- Position the empty grooves in the sticks (4 grooves per stick)
1642 Float_t dx = fDimZN[0] / fDivZN[0] / 4.;
1643 Float_t dy = fDimZN[1] / fDivZN[1] / 4.;
1645 gMC->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY");
1646 gMC->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY");
1647 gMC->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY");
1648 gMC->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY");
1650 // --- Position the fibers in the grooves
1651 gMC->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY");
1652 gMC->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY");
1653 gMC->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY");
1654 gMC->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY");
1656 // --- Position the neutron calorimeter in ZDC
1657 // -- Rotation of ZDCs
1659 gMC->Matrix(irotzdc, 90., 180., 90., 90., 180., 0.);
1661 gMC->Gspos("ZNEU", 1, "ZDCC", fPosZNC[0], fPosZNC[1], fPosZNC[2]-fDimZN[2], irotzdc, "ONLY");
1663 //printf("\n ZN -> %f < z < %f cm\n",fPosZN[2],fPosZN[2]-2*fDimZN[2]);
1665 // --- Position the neutron calorimeter in ZDC2 (left line)
1666 // -- No Rotation of ZDCs
1667 gMC->Gspos("ZNEU", 2, "ZDCA", fPosZNA[0], fPosZNA[1], fPosZNA[2]+fDimZN[2], 0, "ONLY");
1669 //printf("\n ZN left -> %f < z < %f cm\n",fPosZNl[2],fPosZNl[2]+2*fDimZN[2]);
1672 // -------------------------------------------------------------------------------
1673 //--> Proton calorimeter (ZP)
1675 gMC->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material
1676 gMC->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material
1677 gMC->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3);
1678 gMC->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3);
1679 gMC->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3);
1680 gMC->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves
1681 gMC->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3);
1682 gMC->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3);
1683 gMC->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3);
1685 //-- Divide ZPRO in towers(for hits purposes)
1687 gMC->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower
1688 gMC->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower
1691 //-- Divide ZP1 in minitowers
1692 // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER,
1693 // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER
1694 // (4 fiber per minitower)
1696 gMC->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices
1697 gMC->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks
1699 // --- Position the empty grooves in the sticks (4 grooves per stick)
1700 dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.;
1701 dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.;
1703 gMC->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY");
1704 gMC->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY");
1705 gMC->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY");
1706 gMC->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY");
1708 // --- Position the fibers in the grooves
1709 gMC->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY");
1710 gMC->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY");
1711 gMC->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY");
1712 gMC->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY");
1715 // --- Position the proton calorimeter in ZDCC
1716 gMC->Gspos("ZPRO", 1, "ZDCC", fPosZPC[0], fPosZPC[1], fPosZPC[2]-fDimZP[2], irotzdc, "ONLY");
1718 //printf("\n ZP -> %f < z < %f cm\n",fPosZP[2],fPosZP[2]-2*fDimZP[2]);
1720 // --- Position the proton calorimeter in ZDCA
1722 gMC->Gspos("ZPRO", 2, "ZDCA", fPosZPA[0], fPosZPA[1], fPosZPA[2]+fDimZP[2], 0, "ONLY");
1724 //printf("\n ZP left -> %f < z < %f cm\n",fPosZPl[2],fPosZPl[2]+2*fDimZP[2]);
1727 // -------------------------------------------------------------------------------
1728 // -> EM calorimeter (ZEM)
1730 gMC->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6);
1733 gMC->Matrix(irot1,0.,0.,90.,90.,-90.,0.); // Rotation matrix 1
1734 gMC->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]);// Rotation matrix 2
1735 //printf("irot1 = %d, irot2 = %d \n", irot1, irot2);
1737 gMC->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material
1739 gMC->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches
1741 dimPb[0] = kDimZEMPb; // Lead slices
1742 dimPb[1] = fDimZEM[2];
1743 dimPb[2] = fDimZEM[1];
1744 //dimPb[3] = fDimZEM[3]; //controllare
1745 dimPb[3] = 90.-fDimZEM[3]; //originale
1748 gMC->Gsvolu("ZEL0", "PARA", idtmed[5], dimPb, 6);
1749 gMC->Gsvolu("ZEL1", "PARA", idtmed[5], dimPb, 6);
1750 gMC->Gsvolu("ZEL2", "PARA", idtmed[5], dimPb, 6);
1752 // --- Position the lead slices in the tranche
1753 Float_t zTran = fDimZEM[0]/fDivZEM[2];
1754 Float_t zTrPb = -zTran+kDimZEMPb;
1755 gMC->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY");
1756 gMC->Gspos("ZEL1", 1, "ZETR", kDimZEMPb, 0., 0., 0, "ONLY");
1758 // --- Vacuum zone (to be filled with fibres)
1759 dimVoid[0] = (zTran-2*kDimZEMPb)/2.;
1760 dimVoid[1] = fDimZEM[2];
1761 dimVoid[2] = fDimZEM[1];
1762 dimVoid[3] = 90.-fDimZEM[3];
1765 gMC->Gsvolu("ZEV0", "PARA", idtmed[10], dimVoid,6);
1766 gMC->Gsvolu("ZEV1", "PARA", idtmed[10], dimVoid,6);
1768 // --- Divide the vacuum slice into sticks along x axis
1769 gMC->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3);
1770 gMC->Gsdvn("ZES1", "ZEV1", fDivZEM[0], 3);
1772 // --- Positioning the fibers into the sticks
1773 gMC->Gspos("ZEMF", 1,"ZES0", 0., 0., 0., irot2, "ONLY");
1774 gMC->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY");
1776 // --- Positioning the vacuum slice into the tranche
1777 Float_t displFib = fDimZEM[1]/fDivZEM[0];
1778 gMC->Gspos("ZEV0", 1,"ZETR", -dimVoid[0], 0., 0., 0, "ONLY");
1779 gMC->Gspos("ZEV1", 1,"ZETR", -dimVoid[0]+zTran, 0., displFib, 0, "ONLY");
1781 // --- Positioning the ZEM into the ZDC - rotation for 90 degrees
1782 // NB -> ZEM is positioned in ALIC (instead of in ZDC) volume
1783 gMC->Gspos("ZEM ", 1,"ALIC", -fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
1785 // Second EM ZDC (same side w.r.t. IP, just on the other side w.r.t. beam pipe)
1786 gMC->Gspos("ZEM ", 2,"ALIC", fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
1788 // --- Adding last slice at the end of the EM calorimeter
1789 Float_t zLastSlice = fPosZEM[2]+kDimZEMPb+2*fDimZEM[0];
1790 gMC->Gspos("ZEL2", 1,"ALIC", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY");
1792 //printf("\n ZEM lenght = %f cm\n",2*fZEMLength);
1793 //printf("\n ZEM -> %f < z < %f cm\n",fPosZEM[2],fPosZEM[2]+2*fZEMLength+zLastSlice+kDimZEMPb);
1797 //_____________________________________________________________________________
1798 void AliZDCv3::DrawModule() const
1801 // Draw a shaded view of the Zero Degree Calorimeter version 1
1804 // Set everything unseen
1805 gMC->Gsatt("*", "seen", -1);
1807 // Set ALIC mother transparent
1808 gMC->Gsatt("ALIC","SEEN",0);
1810 // Set the volumes visible
1811 gMC->Gsatt("ZDCC","SEEN",0);
1812 gMC->Gsatt("QT01","SEEN",1);
1813 gMC->Gsatt("QT02","SEEN",1);
1814 gMC->Gsatt("QT03","SEEN",1);
1815 gMC->Gsatt("QT04","SEEN",1);
1816 gMC->Gsatt("QT05","SEEN",1);
1817 gMC->Gsatt("QT06","SEEN",1);
1818 gMC->Gsatt("QT07","SEEN",1);
1819 gMC->Gsatt("QT08","SEEN",1);
1820 gMC->Gsatt("QT09","SEEN",1);
1821 gMC->Gsatt("QT10","SEEN",1);
1822 gMC->Gsatt("QT11","SEEN",1);
1823 gMC->Gsatt("QT12","SEEN",1);
1824 gMC->Gsatt("QT13","SEEN",1);
1825 gMC->Gsatt("QT14","SEEN",1);
1826 gMC->Gsatt("QT15","SEEN",1);
1827 gMC->Gsatt("QT16","SEEN",1);
1828 gMC->Gsatt("QT17","SEEN",1);
1829 gMC->Gsatt("QT18","SEEN",1);
1830 gMC->Gsatt("QC01","SEEN",1);
1831 gMC->Gsatt("QC02","SEEN",1);
1832 gMC->Gsatt("QC03","SEEN",1);
1833 gMC->Gsatt("QC04","SEEN",1);
1834 gMC->Gsatt("QC05","SEEN",1);
1835 gMC->Gsatt("QTD1","SEEN",1);
1836 gMC->Gsatt("QTD2","SEEN",1);
1837 gMC->Gsatt("QTD3","SEEN",1);
1838 gMC->Gsatt("MQXL","SEEN",1);
1839 gMC->Gsatt("YMQL","SEEN",1);
1840 gMC->Gsatt("MQX ","SEEN",1);
1841 gMC->Gsatt("YMQ ","SEEN",1);
1842 gMC->Gsatt("ZQYX","SEEN",1);
1843 gMC->Gsatt("MD1 ","SEEN",1);
1844 gMC->Gsatt("MD1V","SEEN",1);
1845 gMC->Gsatt("YD1 ","SEEN",1);
1846 gMC->Gsatt("MD2 ","SEEN",1);
1847 gMC->Gsatt("YD2 ","SEEN",1);
1848 gMC->Gsatt("ZNEU","SEEN",0);
1849 gMC->Gsatt("ZNF1","SEEN",0);
1850 gMC->Gsatt("ZNF2","SEEN",0);
1851 gMC->Gsatt("ZNF3","SEEN",0);
1852 gMC->Gsatt("ZNF4","SEEN",0);
1853 gMC->Gsatt("ZNG1","SEEN",0);
1854 gMC->Gsatt("ZNG2","SEEN",0);
1855 gMC->Gsatt("ZNG3","SEEN",0);
1856 gMC->Gsatt("ZNG4","SEEN",0);
1857 gMC->Gsatt("ZNTX","SEEN",0);
1858 gMC->Gsatt("ZN1 ","COLO",4);
1859 gMC->Gsatt("ZN1 ","SEEN",1);
1860 gMC->Gsatt("ZNSL","SEEN",0);
1861 gMC->Gsatt("ZNST","SEEN",0);
1862 gMC->Gsatt("ZPRO","SEEN",0);
1863 gMC->Gsatt("ZPF1","SEEN",0);
1864 gMC->Gsatt("ZPF2","SEEN",0);
1865 gMC->Gsatt("ZPF3","SEEN",0);
1866 gMC->Gsatt("ZPF4","SEEN",0);
1867 gMC->Gsatt("ZPG1","SEEN",0);
1868 gMC->Gsatt("ZPG2","SEEN",0);
1869 gMC->Gsatt("ZPG3","SEEN",0);
1870 gMC->Gsatt("ZPG4","SEEN",0);
1871 gMC->Gsatt("ZPTX","SEEN",0);
1872 gMC->Gsatt("ZP1 ","COLO",6);
1873 gMC->Gsatt("ZP1 ","SEEN",1);
1874 gMC->Gsatt("ZPSL","SEEN",0);
1875 gMC->Gsatt("ZPST","SEEN",0);
1876 gMC->Gsatt("ZEM ","COLO",7);
1877 gMC->Gsatt("ZEM ","SEEN",1);
1878 gMC->Gsatt("ZEMF","SEEN",0);
1879 gMC->Gsatt("ZETR","SEEN",0);
1880 gMC->Gsatt("ZEL0","SEEN",0);
1881 gMC->Gsatt("ZEL1","SEEN",0);
1882 gMC->Gsatt("ZEL2","SEEN",0);
1883 gMC->Gsatt("ZEV0","SEEN",0);
1884 gMC->Gsatt("ZEV1","SEEN",0);
1885 gMC->Gsatt("ZES0","SEEN",0);
1886 gMC->Gsatt("ZES1","SEEN",0);
1889 gMC->Gdopt("hide", "on");
1890 gMC->Gdopt("shad", "on");
1891 gMC->Gsatt("*", "fill", 7);
1892 gMC->SetClipBox(".");
1893 gMC->SetClipBox("*", 0, 100, -100, 100, 12000, 16000);
1894 gMC->DefaultRange();
1895 gMC->Gdraw("alic", 40, 30, 0, 488, 220, .07, .07);
1896 gMC->Gdhead(1111, "Zero Degree Calorimeter Version 3");
1897 gMC->Gdman(18, 4, "MAN");
1900 //_____________________________________________________________________________
1901 void AliZDCv3::CreateMaterials()
1904 // Create Materials for the Zero Degree Calorimeter
1907 Float_t dens, ubuf[1], wmat[2], a[2], z[2];
1909 // --- Store in UBUF r0 for nuclear radius calculation R=r0*A**1/3
1911 // --- Tantalum -> ZN passive material
1913 AliMaterial(1, "TANT", 180.95, 73., 16.65, .4, 11.9, ubuf, 1);
1915 // --- Brass (CuZn) -> ZP passive material
1923 AliMixture(2, "BRASS", a, z, dens, 2, wmat);
1933 AliMixture(3, "SIO2", a, z, dens, -2, wmat);
1937 AliMaterial(5, "LEAD", 207.19, 82., 11.35, .56, 18.5, ubuf, 1);
1939 // --- Copper (energy loss taken into account)
1941 AliMaterial(6, "COPP0", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
1943 // --- Iron (energy loss taken into account)
1945 AliMaterial(7, "IRON0", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
1947 // --- Iron (no energy loss)
1949 AliMaterial(8, "IRON1", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
1950 AliMaterial(13, "IRON2", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
1952 // ---------------------------------------------------------
1953 Float_t aResGas[3]={1.008,12.0107,15.9994};
1954 Float_t zResGas[3]={1.,6.,8.};
1955 Float_t wResGas[3]={0.28,0.28,0.44};
1956 Float_t dResGas = 3.2E-14;
1958 // --- Vacuum (no magnetic field)
1959 AliMixture(10, "VOID", aResGas, zResGas, dResGas, 3, wResGas);
1961 // --- Vacuum (with magnetic field)
1962 AliMixture(11, "VOIM", aResGas, zResGas, dResGas, 3, wResGas);
1964 // --- Air (no magnetic field)
1965 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
1966 Float_t zAir[4]={6.,7.,8.,18.};
1967 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
1968 Float_t dAir = 1.20479E-3;
1970 AliMixture(12, "Air $", aAir, zAir, dAir, 4, wAir);
1972 // --- Definition of tracking media:
1974 // --- Tantalum = 1 ;
1976 // --- Fibers (SiO2) = 3 ;
1977 // --- Fibers (SiO2) = 4 ;
1979 // --- Copper (with energy loss)= 6 ;
1980 // --- Copper (with energy loss)= 13 ;
1981 // --- Iron (with energy loss) = 7 ;
1982 // --- Iron (without energy loss) = 8 ;
1983 // --- Vacuum (no field) = 10
1984 // --- Vacuum (with field) = 11
1985 // --- Air (no field) = 12
1987 // ****************************************************
1988 // Tracking media parameters
1990 Float_t epsil = 0.01; // Tracking precision,
1991 Float_t stmin = 0.01; // Min. value 4 max. step (cm)
1992 Float_t stemax = 1.; // Max. step permitted (cm)
1993 Float_t tmaxfd = 0.; // Maximum angle due to field (degrees)
1994 Float_t deemax = -1.; // Maximum fractional energy loss
1995 Float_t nofieldm = 0.; // Max. field value (no field)
1996 Float_t fieldm = 45.; // Max. field value (with field)
1997 Int_t isvol = 0; // ISVOL =0 -> not sensitive volume
1998 Int_t isvolActive = 1; // ISVOL =1 -> sensitive volume
1999 Int_t inofld = 0; // IFIELD=0 -> no magnetic field
2000 Int_t ifield =2; // IFIELD=2 -> magnetic field defined in AliMagFC.h
2001 // *****************************************************
2003 AliMedium(1, "ZTANT", 1, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2004 AliMedium(2, "ZBRASS",2, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2005 AliMedium(3, "ZSIO2", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2006 AliMedium(4, "ZQUAR", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2007 AliMedium(5, "ZLEAD", 5, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2008 AliMedium(6, "ZCOPP", 6, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2009 AliMedium(7, "ZIRON", 7, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2010 AliMedium(8, "ZIRONN",8, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2011 AliMedium(10,"ZVOID",10, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2012 AliMedium(12,"ZAIR", 12, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2014 AliMedium(11,"ZVOIM",11, isvol, ifield, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
2015 AliMedium(13,"ZIRONE",13, isvol, ifield, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
2019 //_____________________________________________________________________________
2020 void AliZDCv3::AddAlignableVolumes() const
2023 // Create entries for alignable volumes associating the symbolic volume
2024 // name with the corresponding volume path. Needs to be syncronized with
2025 // eventual changes in the geometry.
2027 TString volpath1 = "ALIC_1/ZDCC_1/ZNEU_1";
2028 TString volpath2 = "ALIC_1/ZDCC_1/ZPRO_1";
2029 TString volpath3 = "ALIC_1/ZDCA_1/ZNEU_2";
2030 TString volpath4 = "ALIC_1/ZDCA_1/ZPRO_2";
2032 TString symname1="ZDC/NeutronZDC_C";
2033 TString symname2="ZDC/ProtonZDC_C";
2034 TString symname3="ZDC/NeutronZDC_A";
2035 TString symname4="ZDC/ProtonZDC_A";
2037 if(!gGeoManager->SetAlignableEntry(symname1.Data(),volpath1.Data()))
2038 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname1.Data(),volpath1.Data()));
2040 if(!gGeoManager->SetAlignableEntry(symname2.Data(),volpath2.Data()))
2041 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname2.Data(),volpath2.Data()));
2043 if(!gGeoManager->SetAlignableEntry(symname3.Data(),volpath3.Data()))
2044 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname1.Data(),volpath1.Data()));
2046 if(!gGeoManager->SetAlignableEntry(symname4.Data(),volpath4.Data()))
2047 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname2.Data(),volpath2.Data()));
2052 //_____________________________________________________________________________
2053 void AliZDCv3::Init()
2056 Int_t *idtmed = fIdtmed->GetArray();
2058 // Thresholds for showering in the ZDCs
2060 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
2061 gMC->Gstpar(idtmed[i], "CUTELE", .001);
2062 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
2063 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
2065 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
2066 gMC->Gstpar(idtmed[i], "CUTELE", .001);
2067 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
2068 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
2070 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
2071 gMC->Gstpar(idtmed[i], "CUTELE", .001);
2072 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
2073 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
2075 // Avoid too detailed showering in TDI
2077 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
2078 gMC->Gstpar(idtmed[i], "CUTELE", .1);
2079 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
2080 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
2082 // Avoid too detailed showering along the beam line
2083 i = 7; //iron with energy loss (ZIRON)
2084 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
2085 gMC->Gstpar(idtmed[i], "CUTELE", .1);
2086 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
2087 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
2089 // Avoid too detailed showering along the beam line
2090 i = 8; //iron with energy loss (ZIRONN)
2091 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
2092 gMC->Gstpar(idtmed[i], "CUTELE", .1);
2093 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
2094 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
2096 // Avoid too detailed showering along the beam line
2097 i = 13; //iron with energy loss (ZIRONN)
2098 gMC->Gstpar(idtmed[i], "CUTGAM", 1.);
2099 gMC->Gstpar(idtmed[i], "CUTELE", 1.);
2100 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
2101 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
2103 // Avoid interaction in fibers (only energy loss allowed)
2104 i = 3; //fibers (ZSI02)
2105 gMC->Gstpar(idtmed[i], "DCAY", 0.);
2106 gMC->Gstpar(idtmed[i], "MULS", 0.);
2107 gMC->Gstpar(idtmed[i], "PFIS", 0.);
2108 gMC->Gstpar(idtmed[i], "MUNU", 0.);
2109 gMC->Gstpar(idtmed[i], "LOSS", 1.);
2110 gMC->Gstpar(idtmed[i], "PHOT", 0.);
2111 gMC->Gstpar(idtmed[i], "COMP", 0.);
2112 gMC->Gstpar(idtmed[i], "PAIR", 0.);
2113 gMC->Gstpar(idtmed[i], "BREM", 0.);
2114 gMC->Gstpar(idtmed[i], "DRAY", 0.);
2115 gMC->Gstpar(idtmed[i], "ANNI", 0.);
2116 gMC->Gstpar(idtmed[i], "HADR", 0.);
2117 i = 4; //fibers (ZQUAR)
2118 gMC->Gstpar(idtmed[i], "DCAY", 0.);
2119 gMC->Gstpar(idtmed[i], "MULS", 0.);
2120 gMC->Gstpar(idtmed[i], "PFIS", 0.);
2121 gMC->Gstpar(idtmed[i], "MUNU", 0.);
2122 gMC->Gstpar(idtmed[i], "LOSS", 1.);
2123 gMC->Gstpar(idtmed[i], "PHOT", 0.);
2124 gMC->Gstpar(idtmed[i], "COMP", 0.);
2125 gMC->Gstpar(idtmed[i], "PAIR", 0.);
2126 gMC->Gstpar(idtmed[i], "BREM", 0.);
2127 gMC->Gstpar(idtmed[i], "DRAY", 0.);
2128 gMC->Gstpar(idtmed[i], "ANNI", 0.);
2129 gMC->Gstpar(idtmed[i], "HADR", 0.);
2131 // Avoid interaction in void
2132 i = 11; //void with field
2133 gMC->Gstpar(idtmed[i], "DCAY", 0.);
2134 gMC->Gstpar(idtmed[i], "MULS", 0.);
2135 gMC->Gstpar(idtmed[i], "PFIS", 0.);
2136 gMC->Gstpar(idtmed[i], "MUNU", 0.);
2137 gMC->Gstpar(idtmed[i], "LOSS", 0.);
2138 gMC->Gstpar(idtmed[i], "PHOT", 0.);
2139 gMC->Gstpar(idtmed[i], "COMP", 0.);
2140 gMC->Gstpar(idtmed[i], "PAIR", 0.);
2141 gMC->Gstpar(idtmed[i], "BREM", 0.);
2142 gMC->Gstpar(idtmed[i], "DRAY", 0.);
2143 gMC->Gstpar(idtmed[i], "ANNI", 0.);
2144 gMC->Gstpar(idtmed[i], "HADR", 0.);
2147 fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material
2148 fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material
2149 fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1
2150 fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2
2151 fMedSensZEM = idtmed[5]; // Sensitive volume: ZEM passive material
2152 fMedSensTDI = idtmed[6]; // Sensitive volume: TDI Cu shield
2153 fMedSensPI = idtmed[7]; // Sensitive volume: beam pipes
2154 fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves
2157 //_____________________________________________________________________________
2158 void AliZDCv3::InitTables()
2161 // Read light tables for Cerenkov light production parameterization
2166 char *lightfName1,*lightfName2,*lightfName3,*lightfName4,
2167 *lightfName5,*lightfName6,*lightfName7,*lightfName8;
2168 FILE *fp1, *fp2, *fp3, *fp4, *fp5, *fp6, *fp7, *fp8;
2170 // --- Reading light tables for ZN
2171 lightfName1 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362207s");
2172 if((fp1 = fopen(lightfName1,"r")) == NULL){
2173 printf("Cannot open file fp1 \n");
2176 lightfName2 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362208s");
2177 if((fp2 = fopen(lightfName2,"r")) == NULL){
2178 printf("Cannot open file fp2 \n");
2181 lightfName3 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362209s");
2182 if((fp3 = fopen(lightfName3,"r")) == NULL){
2183 printf("Cannot open file fp3 \n");
2186 lightfName4 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362210s");
2187 if((fp4 = fopen(lightfName4,"r")) == NULL){
2188 printf("Cannot open file fp4 \n");
2192 for(k=0; k<fNalfan; k++){
2193 for(j=0; j<fNben; j++){
2194 fscanf(fp1,"%f",&fTablen[0][k][j]);
2195 fscanf(fp2,"%f",&fTablen[1][k][j]);
2196 fscanf(fp3,"%f",&fTablen[2][k][j]);
2197 fscanf(fp4,"%f",&fTablen[3][k][j]);
2205 // --- Reading light tables for ZP and ZEM
2206 lightfName5 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552207s");
2207 if((fp5 = fopen(lightfName5,"r")) == NULL){
2208 printf("Cannot open file fp5 \n");
2211 lightfName6 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552208s");
2212 if((fp6 = fopen(lightfName6,"r")) == NULL){
2213 printf("Cannot open file fp6 \n");
2216 lightfName7 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552209s");
2217 if((fp7 = fopen(lightfName7,"r")) == NULL){
2218 printf("Cannot open file fp7 \n");
2221 lightfName8 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552210s");
2222 if((fp8 = fopen(lightfName8,"r")) == NULL){
2223 printf("Cannot open file fp8 \n");
2227 for(k=0; k<fNalfap; k++){
2228 for(j=0; j<fNbep; j++){
2229 fscanf(fp5,"%f",&fTablep[0][k][j]);
2230 fscanf(fp6,"%f",&fTablep[1][k][j]);
2231 fscanf(fp7,"%f",&fTablep[2][k][j]);
2232 fscanf(fp8,"%f",&fTablep[3][k][j]);
2240 //_____________________________________________________________________________
2241 void AliZDCv3::StepManager()
2244 // Routine called at every step in the Zero Degree Calorimeters
2246 Int_t j, vol[2]={0,0}, ibeta=0, ialfa=0, ibe=0, nphe=0;
2247 Float_t hits[11], x[3], xdet[3], um[3], ud[3];
2248 Float_t m=0., ekin=0., destep=0., be=0., out=0.;
2249 // Parametrization for light guide uniformity
2250 // NEW!!! Light guide tilted @ 51 degrees
2251 Float_t guiPar[4]={0.31,-0.0006305,0.01337,0.8895};
2252 Double_t s[3], p[3];
2255 for(j=0;j<11;j++) hits[j]=-999.;
2257 // --- This part is for no shower developement in beam pipe and TDI
2258 // If particle interacts with beam pipe or TDI -> return
2259 if((gMC->CurrentMedium() == fMedSensPI) || (gMC->CurrentMedium() == fMedSensTDI)){
2260 // If option NoShower is set -> StopTrack
2262 gMC->TrackPosition(s[0],s[1],s[2]);
2263 if(gMC->CurrentMedium() == fMedSensPI){
2264 knamed = gMC->CurrentVolName();
2265 if(!strncmp(knamed,"YMQ",3)){
2266 if(s[2]<0) fpLostITC += 1;
2267 else fpLostITA += 1;
2269 else if(!strncmp(knamed,"YD1",3)){
2270 if(s[2]<0) fpLostD1C += 1;
2271 else fpLostD1A += 1;
2273 else if(!strncmp(knamed,"QAL",3)) fnTrou++;
2275 else if(gMC->CurrentMedium() == fMedSensTDI){
2276 knamed = gMC->CurrentVolName();
2277 if(!strncmp(knamed,"MD1",3)){
2278 if(s[2]<0) fpLostD1C += 1;
2279 else fpLostD1A += 1;
2281 else if(!strncmp(knamed,"QTD",3)) fpLostTDI += 1;
2282 else if(!strncmp(knamed,"QLU",3)){
2283 if(s[2]<0) fnLumiC ++;
2288 //gMC->TrackMomentum(p[0], p[1], p[2], p[3]);
2289 //printf("\t Particle: mass = %1.3f, E = %1.3f GeV, pz = %1.2f GeV -> stopped in volume %s\n",
2290 // gMC->TrackMass(), p[3], p[2], gMC->CurrentVolName());
2292 printf("\n\t **********************************\n");
2293 printf("\t ********** Side C **********\n");
2294 printf("\t # of spectators in IT = %d\n",fpLostITC);
2295 printf("\t # of spectators in D1 = %d\n",fpLostD1C);
2296 printf("\t # of spectators in luminometer = %d\n",fnLumiC);
2297 printf("\t ********** Side A **********\n");
2298 printf("\t # of spectators in IT = %d\n",fpLostITA);
2299 printf("\t # of spectators in D1 = %d\n",fpLostD1A);
2300 printf("\t # of spectators in TDI = %d\n",fpLostTDI);
2301 printf("\t # of spectators in luminometer = %d\n",fnLumiA);
2302 printf("\t # of spectators in trousers = %d\n",fnTrou);
2303 printf("\t **********************************\n");
2310 if((gMC->CurrentMedium() == fMedSensZN) || (gMC->CurrentMedium() == fMedSensZP) ||
2311 (gMC->CurrentMedium() == fMedSensGR) || (gMC->CurrentMedium() == fMedSensF1) ||
2312 (gMC->CurrentMedium() == fMedSensF2) || (gMC->CurrentMedium() == fMedSensZEM)){
2315 //Particle coordinates
2316 gMC->TrackPosition(s[0],s[1],s[2]);
2317 for(j=0; j<=2; j++) x[j] = s[j];
2322 // Determine in which ZDC the particle is
2323 knamed = gMC->CurrentVolName();
2324 if(!strncmp(knamed,"ZN",2)){
2325 if(x[2]<0.) vol[0]=1; // ZNC (dimuon side)
2326 else if(x[2]>0.) vol[0]=4; //ZNA
2328 else if(!strncmp(knamed,"ZP",2)){
2329 if(x[2]<0.) vol[0]=2; //ZPC (dimuon side)
2330 else if(x[2]>0.) vol[0]=5; //ZPA
2332 else if(!strncmp(knamed,"ZE",2)) vol[0]=3; //ZEM
2334 // Determine in which quadrant the particle is
2335 if(vol[0]==1){ //Quadrant in ZNC
2336 // Calculating particle coordinates inside ZNC
2337 xdet[0] = x[0]-fPosZNC[0];
2338 xdet[1] = x[1]-fPosZNC[1];
2339 // Calculating quadrant in ZN
2341 if(xdet[1]<=0.) vol[1]=1;
2344 else if(xdet[0]>0.){
2345 if(xdet[1]<=0.) vol[1]=2;
2348 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
2349 printf("\n ZDC StepManager->ERROR in ZN!!! vol[1] = %d, xdet[0] = %f,"
2350 "xdet[1] = %f\n",vol[1], xdet[0], xdet[1]);
2353 else if(vol[0]==2){ //Quadrant in ZPC
2354 // Calculating particle coordinates inside ZPC
2355 xdet[0] = x[0]-fPosZPA[0];
2356 xdet[1] = x[1]-fPosZPA[1];
2357 if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01;
2358 if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01;
2359 // Calculating tower in ZP
2360 Float_t xqZP = xdet[0]/(fDimZP[0]/2.);
2361 for(int i=1; i<=4; i++){
2362 if(xqZP>=(i-3) && xqZP<(i-2)){
2367 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
2368 printf(" ZDC StepManager->ERROR in ZP!!! vol[1] = %d, xdet[0] = %f,"
2369 "xdet[1] = %f\n",vol[1], xdet[0], xdet[1]);
2372 // Quadrant in ZEM: vol[1] = 1 -> particle in 1st ZEM (placed at x = 8.5 cm)
2373 // vol[1] = 2 -> particle in 2nd ZEM (placed at x = -8.5 cm)
2374 else if(vol[0] == 3){
2377 // Particle x-coordinate inside ZEM1
2378 xdet[0] = x[0]-fPosZEM[0];
2382 // Particle x-coordinate inside ZEM2
2383 xdet[0] = x[0]+fPosZEM[0];
2385 xdet[1] = x[1]-fPosZEM[1];
2388 else if(vol[0]==4){ //Quadrant in ZNA
2389 // Calculating particle coordinates inside ZNA
2390 xdet[0] = x[0]-fPosZNA[0];
2391 xdet[1] = x[1]-fPosZNA[1];
2392 // Calculating quadrant in ZNA
2394 if(xdet[1]<=0.) vol[1]=1;
2397 else if(xdet[0]<0.){
2398 if(xdet[1]<=0.) vol[1]=2;
2401 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
2402 printf("\n ZDC StepManager->ERROR in ZNA!!! vol[1] = %d, xdet[0] = %f,"
2403 "xdet[1] = %f\n",vol[1], xdet[0], xdet[1]);
2406 else if(vol[0]==5){ //Quadrant in ZPA
2407 // Calculating particle coordinates inside ZPA
2408 xdet[0] = x[0]-fPosZPC[0];
2409 xdet[1] = x[1]-fPosZPC[1];
2410 if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01;
2411 if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01;
2412 // Calculating tower in ZP
2413 Float_t xqZP = -xdet[0]/(fDimZP[0]/2.);
2414 for(int i=1; i<=4; i++){
2415 if(xqZP>=(i-3) && xqZP<(i-2)){
2420 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
2421 printf(" ZDC StepManager->ERROR in ZPA!!! vol[1] = %d, xdet[0] = %f,"
2422 "xdet[1] = %f\n",vol[1], xdet[0], xdet[1]);
2426 // Store impact point and kinetic energy of the ENTERING particle
2428 if(gMC->IsTrackEntering()){
2430 gMC->TrackMomentum(p[0],p[1],p[2],p[3]);
2432 // Impact point on ZDC
2440 Int_t curTrackN = gAlice->GetMCApp()->GetCurrentTrackNumber();
2441 TParticle *part = (gAlice->GetMCApp())->Particle(curTrackN);
2442 hits[10] = part->GetPdgCode();
2443 //printf("\t PDGCode = %d\n", part->GetPdgCode());
2445 AddHit(curTrackN, vol, hits);
2448 //printf("\t VolName %s -> det %d quad %d - x = %f, y = %f, z = %f\n",
2449 //knamed, vol[0], vol[1], x[0], x[1], x[2]);
2452 printf("\n # of particles in ZNC = %d\n\n",fnDetectedC);
2456 printf("\n # of particles in ZPC = %d\n\n",fpDetectedC);
2460 printf("\n # of particles in ZNA = %d\n\n",fnDetectedA);
2464 printf("\n # of particles in ZPA = %d\n\n",fpDetectedA);
2467 //printf("\t Particle: mass = %1.3f, E = %1.3f GeV, pz = %1.2f GeV -> stopped in volume %s\n",
2468 // gMC->TrackMass(), p[3], p[2], gMC->CurrentVolName());
2475 // Charged particles -> Energy loss
2476 if((destep=gMC->Edep())){
2477 if(gMC->IsTrackStop()){
2478 gMC->TrackMomentum(p[0],p[1],p[2],p[3]);
2479 m = gMC->TrackMass();
2484 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2490 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2496 // *** Light production in fibres
2497 if((gMC->CurrentMedium() == fMedSensF1) || (gMC->CurrentMedium() == fMedSensF2)){
2499 //Select charged particles
2500 if((destep=gMC->Edep())){
2502 // Particle velocity
2504 gMC->TrackMomentum(p[0],p[1],p[2],p[3]);
2505 Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]);
2506 if(p[3] > 0.00001) beta = ptot/p[3];
2508 if(beta<0.67)return;
2509 else if((beta>=0.67) && (beta<=0.75)) ibeta = 0;
2510 else if((beta>0.75) && (beta<=0.85)) ibeta = 1;
2511 else if((beta>0.85) && (beta<=0.95)) ibeta = 2;
2512 else if(beta>0.95) ibeta = 3;
2514 // Angle between particle trajectory and fibre axis
2515 // 1 -> Momentum directions
2519 gMC->Gmtod(um,ud,2);
2520 // 2 -> Angle < limit angle
2521 Double_t alfar = TMath::ACos(ud[2]);
2522 Double_t alfa = alfar*kRaddeg;
2523 if(alfa>=110.) return;
2525 ialfa = Int_t(1.+alfa/2.);
2527 // Distance between particle trajectory and fibre axis
2528 gMC->TrackPosition(s[0],s[1],s[2]);
2529 for(j=0; j<=2; j++){
2532 gMC->Gmtod(x,xdet,1);
2533 if(TMath::Abs(ud[0])>0.00001){
2534 Float_t dcoeff = ud[1]/ud[0];
2535 be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.));
2538 be = TMath::Abs(ud[0]);
2541 ibe = Int_t(be*1000.+1);
2542 //if((vol[0]==1)) radius = fFibZN[1];
2543 //else if((vol[0]==2)) radius = fFibZP[1];
2545 //Looking into the light tables
2546 Float_t charge = gMC->TrackCharge();
2548 if(vol[0]==1 || vol[0]==4) { // (1) ZN fibres
2549 if(ibe>fNben) ibe=fNben;
2550 out = charge*charge*fTablen[ibeta][ialfa][ibe];
2551 nphe = gRandom->Poisson(out);
2553 //if(ibeta==3) printf("\t %f \t %f \t %f\n",alfa, be, out);
2554 //printf("\t ibeta = %d, ialfa = %d, ibe = %d -> nphe = %d\n\n",ibeta,ialfa,ibe,nphe);
2555 if(gMC->CurrentMedium() == fMedSensF1){
2556 hits[7] = nphe; //fLightPMQ
2559 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2563 hits[8] = nphe; //fLightPMC
2565 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2568 else if(vol[0]==2 || vol[0]==5) {// (2) ZP fibres
2569 if(ibe>fNbep) ibe=fNbep;
2570 out = charge*charge*fTablep[ibeta][ialfa][ibe];
2571 nphe = gRandom->Poisson(out);
2572 if(gMC->CurrentMedium() == fMedSensF1){
2573 hits[7] = nphe; //fLightPMQ
2576 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2580 hits[8] = nphe; //fLightPMC
2582 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2585 else if((vol[0]==3)) { // (3) ZEM fibres
2586 if(ibe>fNbep) ibe=fNbep;
2587 out = charge*charge*fTablep[ibeta][ialfa][ibe];
2588 gMC->TrackPosition(s[0],s[1],s[2]);
2593 // z-coordinate from ZEM front face
2594 // NB-> fPosZEM[2]+fZEMLength = -1000.+2*10.3 = 979.69 cm
2595 Float_t z = -xalic[2]+fPosZEM[2]+2*fZEMLength-xalic[1];
2596 // z = xalic[2]-fPosZEM[2]-fZEMLength-xalic[1]*(TMath::Tan(45.*kDegrad));
2597 // printf("\n fPosZEM[2]+2*fZEMLength = %f", fPosZEM[2]+2*fZEMLength);
2598 Float_t guiEff = guiPar[0]*(guiPar[1]*z*z+guiPar[2]*z+guiPar[3]);
2600 nphe = gRandom->Poisson(out);
2601 // printf(" out*guiEff = %f nphe = %d", out, nphe);
2604 hits[8] = nphe; //fLightPMC (ZEM1)
2606 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2609 hits[7] = nphe; //fLightPMQ (ZEM2)
2612 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);