1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
17 ///////////////////////////////////////////////////////////////////////
19 // AliZDCv3 --- new ZDC geometry //
20 // with the both ZDC set geometry implemented //
22 ///////////////////////////////////////////////////////////////////////
24 // --- Standard libraries
34 #include <TVirtualMC.h>
35 #include <TGeoManager.h>
36 #include <TGeoMatrix.h>
38 #include <TGeoShape.h>
39 #include <TGeoCompositeShape.h>
40 #include <TParticle.h>
42 // --- AliRoot classes
56 //_____________________________________________________________________________
57 AliZDCv3::AliZDCv3() :
86 // Default constructor for Zero Degree Calorimeter
91 //_____________________________________________________________________________
92 AliZDCv3::AliZDCv3(const char *name, const char *title) :
121 // Standard constructor for Zero Degree Calorimeter
124 // Check that DIPO, ABSO, DIPO and SHIL is there (otherwise tracking is wrong!!!)
126 AliModule* pipe=gAlice->GetModule("PIPE");
127 AliModule* abso=gAlice->GetModule("ABSO");
128 AliModule* dipo=gAlice->GetModule("DIPO");
129 AliModule* shil=gAlice->GetModule("SHIL");
130 if((!pipe) || (!abso) || (!dipo) || (!shil)) {
131 Error("Constructor","ZDC needs PIPE, ABSO, DIPO and SHIL!!!\n");
136 for(ip=0; ip<4; ip++){
137 for(kp=0; kp<fNalfap; kp++){
138 for(jp=0; jp<fNbep; jp++){
139 fTablep[ip][kp][jp] = 0;
144 for(in=0; in<4; in++){
145 for(kn=0; kn<fNalfan; kn++){
146 for(jn=0; jn<fNben; jn++){
147 fTablen[in][kn][jn] = 0;
152 // Parameters for hadronic calorimeters geometry
161 fPosZNC[2] = -11600.;
164 fPosZPC[2] = -11600.;
177 // Parameters for EM calorimeter geometry
181 Float_t kDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
182 Float_t kDimZEMAir = 0.001; // scotch
183 Float_t kFibRadZEM = 0.0315; // External fiber radius (including cladding)
184 Int_t kDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
185 Float_t kDimZEM0 = 2*kDivZEM[2]*(kDimZEMPb+kDimZEMAir+kFibRadZEM*(TMath::Sqrt(2.)));
186 fZEMLength = kDimZEM0;
190 //_____________________________________________________________________________
191 void AliZDCv3::CreateGeometry()
194 // Create the geometry for the Zero Degree Calorimeter version 2
195 //* Initialize COMMON block ZDC_CGEOM
202 //_____________________________________________________________________________
203 void AliZDCv3::CreateBeamLine()
206 // Create the beam line elements
209 Float_t zc, zq, zd1, zd2, zql, zd2l;
210 Float_t conpar[9], tubpar[3], tubspar[5], boxpar[3];
213 Int_t *idtmed = fIdtmed->GetArray();
215 ////////////////////////////////////////////////////////////////
217 // SIDE C - RB26 (dimuon side) //
219 ///////////////////////////////////////////////////////////////
222 // -- Mother of the ZDCs (Vacuum PCON)
234 gMC->Gsvolu("ZDCC", "PCON", idtmed[10], conpar, 9);
235 gMC->Gspos("ZDCC", 1, "ALIC", 0., 0., 0., 0, "ONLY");
238 // -- FIRST SECTION OF THE BEAM PIPE (from compensator dipole to
239 // the beginning of D1)
242 // From beginning of ZDC volumes to beginning of D1
243 tubpar[2] = (5838.3-zd1)/2.;
244 gMC->Gsvolu("QT01", "TUBE", idtmed[7], tubpar, 3);
245 gMC->Gspos("QT01", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
247 //printf("\n QT01 TUBE pipe from z = %f to z= %f (D1 beg.)\n",-zd1,-2*tubpar[2]-zd1);
249 //-- SECOND SECTION OF THE BEAM PIPE (from the end of D1 to the
252 //-- FROM MAGNETIC BEGINNING OF D1 TO MAGNETIC END OF D1 + 13.5 cm
253 //-- Cylindrical pipe (r = 3.47) + conical flare
255 // -> Beginning of D1
259 tubpar[1] = 3.47+0.2;
260 tubpar[2] = 958.5/2.;
261 gMC->Gsvolu("QT02", "TUBE", idtmed[7], tubpar, 3);
262 gMC->Gspos("QT02", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
264 //printf("\n QT02 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
273 gMC->Gsvolu("QC01", "CONE", idtmed[7], conpar, 5);
274 gMC->Gspos("QC01", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
276 //printf("\n QC01 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1);
283 gMC->Gsvolu("QT03", "TUBE", idtmed[7], tubpar, 3);
284 gMC->Gspos("QT03", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
286 //printf("\n QT03 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
293 gMC->Gsvolu("QT04", "TUBE", idtmed[7], tubpar, 3);
294 gMC->Gspos("QT04", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
296 //printf("\n QT04 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
298 zd1 += tubpar[2] * 2.;
303 gMC->Gsvolu("QT05", "TUBE", idtmed[7], tubpar, 3);
304 gMC->Gspos("QT05", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
306 //printf("\n QT05 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
308 zd1 += tubpar[2] * 2.;
313 gMC->Gsvolu("QT06", "TUBE", idtmed[7], tubpar, 3);
314 gMC->Gspos("QT06", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
316 //printf("\n QT06 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
318 zd1 += tubpar[2] * 2.;
325 gMC->Gsvolu("QC02", "CONE", idtmed[7], conpar, 5);
326 gMC->Gspos("QC02", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
328 //printf("\n QC02 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1);
330 zd1 += conpar[0] * 2.;
335 gMC->Gsvolu("QT07", "TUBE", idtmed[7], tubpar, 3);
336 gMC->Gspos("QT07", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
338 //printf("\n QT07 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
340 zd1 += tubpar[2] * 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("\n QC03 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1);
352 zd1 += conpar[0] * 2.;
356 tubpar[2] = 205.8/2.;
357 gMC->Gsvolu("QT08", "TUBE", idtmed[7], tubpar, 3);
358 gMC->Gspos("QT08", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
360 //printf("\n QT08 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
362 zd1 += tubpar[2] * 2.;
366 // QT09 is 10 cm longer to accomodate TDI
367 tubpar[2] = 515.4/2.;
368 gMC->Gsvolu("QT09", "TUBE", idtmed[7], tubpar, 3);
369 gMC->Gspos("QT09", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
371 //printf("\n QT09 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
373 zd1 += tubpar[2] * 2.;
377 // QT10 is 10 cm shorter
379 gMC->Gsvolu("QT10", "TUBE", idtmed[7], tubpar, 3);
380 gMC->Gspos("QT10", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
382 //printf("\n QT10 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
384 zd1 += tubpar[2] * 2.;
388 tubpar[2] = 778.5/2.;
389 gMC->Gsvolu("QT11", "TUBE", idtmed[7], tubpar, 3);
390 gMC->Gspos("QT11", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
392 //printf("\n QT11 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
394 zd1 += tubpar[2] * 2.;
396 conpar[0] = 14.18/2.;
401 gMC->Gsvolu("QC04", "CONE", idtmed[7], conpar, 5);
402 gMC->Gspos("QC04", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
404 //printf("\n QC04 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1);
406 zd1 += conpar[0] * 2.;
411 gMC->Gsvolu("QT12", "TUBE", idtmed[7], tubpar, 3);
412 gMC->Gspos("QT12", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
414 //printf("\n QT12 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
416 zd1 += tubpar[2] * 2.;
418 conpar[0] = 36.86/2.;
423 gMC->Gsvolu("QC05", "CONE", idtmed[7], conpar, 5);
424 gMC->Gspos("QC05", 1, "ZDCC", 0., 0., -conpar[0]-zd1, 0, "ONLY");
426 //printf("\n QC05 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1);
428 zd1 += conpar[0] * 2.;
432 tubpar[2] = 927.3/2.;
433 gMC->Gsvolu("QT13", "TUBE", idtmed[7], tubpar, 3);
434 gMC->Gspos("QT13", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
436 //printf("\n QT13 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
438 zd1 += tubpar[2] * 2.;
443 gMC->Gsvolu("QT14", "TUBE", idtmed[8], tubpar, 3);
444 gMC->Gspos("QT14", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
446 //printf("\n QT14 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
448 zd1 += tubpar[2] * 2.;
453 gMC->Gsvolu("QT15", "TUBE", idtmed[11], tubpar, 3);
454 //-- Position QT15 inside QT14
455 gMC->Gspos("QT15", 1, "QT14", -7.7, 0., 0., 0, "ONLY");
457 gMC->Gsvolu("QT16", "TUBE", idtmed[11], tubpar, 3);
458 //-- Position QT16 inside QT14
459 gMC->Gspos("QT16", 1, "QT14", 7.7, 0., 0., 0, "ONLY");
462 //-- BEAM PIPE BETWEEN END OF CONICAL PIPE AND BEGINNING OF D2
466 tubpar[2] = 680.8/2.;
467 gMC->Gsvolu("QT17", "TUBE", idtmed[7], tubpar, 3);
471 tubpar[2] = 680.8/2.;
472 gMC->Gsvolu("QT18", "TUBE", idtmed[7], tubpar, 3);
475 Float_t angle = 0.143*kDegrad; // Rotation angle
477 //AliMatrix(im1, 90.+0.143, 0., 90., 90., 0.143, 0.); // x<0
478 gMC->Matrix(im1, 90.+0.143, 0., 90., 90., 0.143, 0.); // x<0
479 gMC->Gspos("QT17", 1, "ZDCC", TMath::Sin(angle) * 680.8/ 2. - 9.4,
480 0., -tubpar[2]-zd1, im1, "ONLY");
481 //printf("\n QT17-18 pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1);
483 //AliMatrix(im2, 90.-0.143, 0., 90., 90., 0.143, 180.); // x>0 (ZP)
484 gMC->Matrix(im2, 90.-0.143, 0., 90., 90., 0.143, 180.); // x>0 (ZP)
485 gMC->Gspos("QT18", 1, "ZDCC", 9.7 - TMath::Sin(angle) * 680.8 / 2.,
486 0., -tubpar[2]-zd1, im2, "ONLY");
488 // -- Luminometer (Cu box) in front of ZN - side C
492 gMC->Gsvolu("QLUC", "BOX ", idtmed[6], boxpar, 3);
493 gMC->Gspos("QLUC", 1, "ZDCC", 0., 0., fPosZNC[2]+66.+boxpar[2], 0, "ONLY");
494 //printf("\n QLUC LUMINOMETER from z = %f to z= %f\n", fPosZNC[2]+66., fPosZNC[2]+66.+2*boxpar[2]);
496 // -- END OF BEAM PIPE VOLUME DEFINITION FOR SIDE C (RB26 SIDE)
497 // ----------------------------------------------------------------
499 ////////////////////////////////////////////////////////////////
503 ///////////////////////////////////////////////////////////////
505 // Rotation Matrices definition
506 Int_t irotpipe2, irotpipe1;
507 //Int_t irotpipe5, irotpipe6
508 Int_t irotpipe7, irotpipe8;
509 //-- rotation matrices for the tilted tube before and after the TDI
510 gMC->Matrix(irotpipe2,90.+6.3025,0.,90.,90.,6.3025,0.);
511 //-- rotation matrices for the tilted cone after the TDI to recenter vacuum chamber
512 gMC->Matrix(irotpipe1,90.-2.2918,0.,90.,90.,2.2918,180.);
513 //-- rotation matrices for the legs
514 /*gMC->Matrix(irotpipe5,90.-5.0109,0.,90.,90.,5.0109,180.);
515 gMC->Matrix(irotpipe6,90.+5.0109,0.,90.,90.,5.0109,0.);*/
516 gMC->Matrix(irotpipe7,90.-1.0027,0.,90.,90.,1.0027,180.);
517 gMC->Matrix(irotpipe8,90.+1.0027,0.,90.,90.,1.0027,0.);
519 // -- Mother of the ZDCs (Vacuum PCON)
520 zd2 = 1910.22;// zd2 initial value
531 gMC->Gsvolu("ZDCA", "PCON", idtmed[10], conpar, 9);
532 gMC->Gspos("ZDCA", 1, "ALIC", 0., 0., 0., 0, "ONLY");
534 // BEAM PIPE from 19.10 m to inner triplet beginning (22.965 m)
537 tubpar[2] = (386.5 - 0.22)/2.;
538 gMC->Gsvolu("QA01", "TUBE", idtmed[7], tubpar, 3);
539 gMC->Gspos("QA01", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
541 //printf("\n QA01 TUBE from z = %f to z= %f (Inner triplet beg.)\n",zd2,2*tubpar[2]+zd2);
545 // -- FIRST SECTION OF THE BEAM PIPE (from beginning of inner triplet to
549 tubpar[2] = 3541.8/2.;
550 gMC->Gsvolu("QA02", "TUBE", idtmed[7], tubpar, 3);
551 gMC->Gspos("QA02", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
553 //printf("\n QA02 TUBE from z = %f to z= %f (D1 beg.)\n",zd2,2*tubpar[2]+zd2);
558 // -- SECOND SECTION OF THE BEAM PIPE (from the beginning of D1 to the beginning of D2)
560 // FROM (MAGNETIC) BEGINNING OF D1 TO THE (MAGNETIC) END OF D1 + 126.5 cm
561 // CYLINDRICAL PIPE of diameter increasing from 6.75 cm up to 8.0 cm
562 // from magnetic end :
563 // 1) 80.1 cm still with ID = 6.75 radial beam screen
564 // 2) 2.5 cm conical section from ID = 6.75 to ID = 8.0 cm
565 // 3) 43.9 cm straight section (tube) with ID = 8.0 cm
567 //printf("\n Beginning of D1 at z= %f\n",zd2);
571 tubpar[2] = (945.0+80.1)/2.;
572 gMC->Gsvolu("QA03", "TUBE", idtmed[7], tubpar, 3);
573 gMC->Gspos("QA03", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
575 //printf("\n QA03 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
579 // Transition Cone from ID=67.5 mm to ID=80 mm
585 gMC->Gsvolu("QA04", "CONE", idtmed[7], conpar, 5);
586 gMC->Gspos("QA04", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
587 //printf(" QA04 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
594 gMC->Gsvolu("QA05", "TUBE", idtmed[7], tubpar, 3);
595 gMC->Gspos("QA05", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
597 //printf("\n QA05 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
601 // Bellow (ID=80 mm) - length = 0.2 m - VMAA
605 gMC->Gsvolu("QA06", "TUBE", idtmed[7], tubpar, 3);
606 gMC->Gspos("QA06", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
608 //printf(" QA06 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
612 // Beam Position Monitor (ID=80 mm) Cu - BPMSX
616 gMC->Gsvolu("QA07", "TUBE", idtmed[7], tubpar, 3);
617 gMC->Gspos("QA07", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
619 //printf(" QA07 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
623 // First section of VAEHI (tube ID=80mm)
627 gMC->Gsvolu("QAV1", "TUBE", idtmed[7], tubpar, 3);
628 gMC->Gspos("QAV1", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
630 //printf(" QAV1 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
634 // Second section of VAEHI (transition cone from ID=80mm to ID=98mm)
640 gMC->Gsvolu("QAV2", "CONE", idtmed[7], conpar, 5);
641 gMC->Gspos("QAV2", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
642 //printf(" QAV2 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
646 //Third section of VAEHI (transition cone from ID=98mm to ID=90mm)
652 gMC->Gsvolu("QAV3", "CONE", idtmed[7], conpar, 5);
653 gMC->Gspos("QAV3", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
654 //printf(" QAV3 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
658 // Fourth section of VAEHI (tube ID=90mm)
662 gMC->Gsvolu("QAV4", "TUBE", idtmed[7], tubpar, 3);
663 gMC->Gspos("QAV4", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
665 //printf(" QAV4 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
669 //---------------------------- TCDD beginning ----------------------------------
670 // space for the insertion of the collimator TCDD (2 m)
671 // TCDD ZONE - 1st volume
677 gMC->Gsvolu("Q01T", "CONE", idtmed[7], conpar, 5);
678 gMC->Gspos("Q01T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
679 //printf(" Q01T CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
683 // TCDD ZONE - 2nd volume
687 gMC->Gsvolu("Q02T", "TUBE", idtmed[7], tubpar, 3);
688 gMC->Gspos("Q02T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
690 //printf(" Q02T TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
694 // TCDD ZONE - third volume
700 gMC->Gsvolu("Q03T", "CONE", idtmed[7], conpar, 5);
701 gMC->Gspos("Q03T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
702 //printf(" Q03T CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
706 // TCDD ZONE - 4th volume
710 gMC->Gsvolu("Q04T", "TUBE", idtmed[7], tubpar, 3);
711 gMC->Gspos("Q04T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
713 //printf(" Q04T TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
717 // TCDD ZONE - 5th volume
720 tubpar[2] = 100.12/2.;
721 gMC->Gsvolu("Q05T", "TUBE", idtmed[7], tubpar, 3);
722 gMC->Gspos("Q05T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
724 //printf(" Q05T TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
728 // TCDD ZONE - 6th volume
732 gMC->Gsvolu("Q06T", "TUBE", idtmed[7], tubpar, 3);
733 gMC->Gspos("Q06T", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
735 //printf(" Q06T TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
739 // TCDD ZONE - 7th volume
740 conpar[0] = 11.34/2.;
745 gMC->Gsvolu("Q07T", "CONE", idtmed[7], conpar, 5);
746 gMC->Gspos("Q07T", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
747 //printf(" Q07T CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
751 // Upper section : one single phi segment of a tube
752 // 5 parameters for tubs: inner radius = 0.,
753 // outer radius = 7.5 cm, half length = 50 cm
754 // phi1 = 0., phi2 = 180.
756 tubspar[1] = 15.0/2.;
757 tubspar[2] = 100.0/2.;
760 gMC->Gsvolu("Q08T", "TUBS", idtmed[7], tubspar, 5);
762 //printf("\n upper part : one single phi segment of a tube (Q08T)\n");
764 // rectangular beam pipe inside TCDD upper section (Vacuum)
768 gMC->Gsvolu("Q09T", "BOX ", idtmed[10], boxpar, 3);
769 // positioning vacuum box in the upper section of TCDD
770 gMC->Gspos("Q09T", 1, "Q08T", 0., 1.25, 0., 0, "ONLY");
772 // lower section : one single phi segment of a tube
774 tubspar[1] = 15.0/2.;
775 tubspar[2] = 100.0/2.;
778 gMC->Gsvolu("Q10T", "TUBS", idtmed[7], tubspar, 5);
779 // rectangular beam pipe inside TCDD lower section (Vacuum)
783 gMC->Gsvolu("Q11T", "BOX ", idtmed[10], boxpar, 3);
784 // positioning vacuum box in the lower section of TCDD
785 gMC->Gspos("Q11T", 1, "Q10T", 0., -1.25, 0., 0, "ONLY");
787 // positioning TCDD elements in ZDC2, (inside TCDD volume)
788 gMC->Gspos("Q08T", 1, "ZDCA", 0., 2.5, -100+zd2, 0, "ONLY");
789 gMC->Gspos("Q10T", 1, "ZDCA", 0., -2.5, -100+zd2, 0, "ONLY");
795 gMC->Gsvolu("Q12T", "BOX ", idtmed[7], boxpar, 3);
796 // positioning RF screen at both sides of TCDD
797 gMC->Gspos("Q12T", 1, "ZDCA", tubspar[1]+boxpar[0], 0., -100+zd2, 0, "ONLY");
798 gMC->Gspos("Q12T", 2, "ZDCA", -tubspar[1]-boxpar[0], 0., -100+zd2, 0, "ONLY");
799 //---------------------------- TCDD end ---------------------------------------
801 // Bellow (ID=80 mm) - length = 0.3 m - VMAAB
805 gMC->Gsvolu("QA08", "TUBE", idtmed[7], tubpar, 3);
806 gMC->Gspos("QA08", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
808 //printf(" QA08 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
812 // Flange (ID=80 mm) Cu (first section of VCTCE)
816 gMC->Gsvolu("QA09", "TUBE", idtmed[7], tubpar, 3);
817 gMC->Gspos("QA09", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
819 //printf(" QA09 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
823 // transition cone from ID=80 to ID=212 (second section of VCTCE)
829 gMC->Gsvolu("QA10", "CONE", idtmed[7], conpar, 5);
830 gMC->Gspos("QA10", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
831 //printf(" QA10 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
835 // tube (ID=212 mm) Cu (third section of VCTCE)
838 tubpar[2] = 403.54/2.;
839 gMC->Gsvolu("QA11", "TUBE", idtmed[7], tubpar, 3);
840 gMC->Gspos("QA11", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
842 //printf(" QA11 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
846 // bellow (ID=212 mm) (VMBGA)
850 gMC->Gsvolu("QA12", "TUBE", idtmed[7], tubpar, 3);
851 gMC->Gspos("QA12", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
853 //printf(" QA12 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
857 // TDI valve assembly (ID=212 mm)
861 gMC->Gsvolu("QA13", "TUBE", idtmed[7], tubpar, 3);
862 gMC->Gspos("QA13", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
864 //printf(" QA13 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
868 // bellow (ID=212 mm) (VMBGA)
872 gMC->Gsvolu("QA14", "TUBE", idtmed[7], tubpar, 3);
873 gMC->Gspos("QA14", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
875 //printf(" QA14 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
879 // skewed transition piece (ID=212 mm) (before TDI)
882 tubpar[2] = (20.0-2.41)/2.;
883 gMC->Gsvolu("QA15", "TUBE", idtmed[7], tubpar, 3);
884 gMC->Gspos("QA15", 1, "ZDCA", 1.10446, 0., tubpar[2]+2.41/2.+zd2, irotpipe2, "ONLY");
886 //printf(" QA15 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+2.41+zd2);
888 zd2 += 2.*tubpar[2]+2.41;
890 // Vacuum chamber containing TDI
893 tubpar[2] = 540.0/2.;
894 gMC->Gsvolu("Q13TM", "TUBE", idtmed[10], tubpar, 3);
895 gMC->Gspos("Q13TM", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
898 tubpar[2] = 540.0/2.;
899 gMC->Gsvolu("Q13T", "TUBE", idtmed[7], tubpar, 3);
900 gMC->Gspos("Q13T", 1, "Q13TM", 0., 0., 0., 0, "ONLY");
902 //printf(" Q13T TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
906 //---------------- INSERT TDI INSIDE Q13T -----------------------------------
909 boxpar[2] = 540.0/2.;
910 gMC->Gsvolu("QTD1", "BOX ", idtmed[7], boxpar, 3);
911 gMC->Gspos("QTD1", 1, "Q13TM", -3.8, 10.5, 0., 0, "ONLY");
914 boxpar[2] = 540.0/2.;
915 gMC->Gsvolu("QTD2", "BOX ", idtmed[7], boxpar, 3);
916 gMC->Gspos("QTD2", 1, "Q13TM", -3.8, -10.5, 0., 0, "ONLY");
919 boxpar[2] = 540.0/2.;
920 gMC->Gsvolu("QTD3", "BOX ", idtmed[7], boxpar, 3);
921 gMC->Gspos("QTD3", 1, "Q13TM", -3.8+5.5+boxpar[0], 6.1, 0., 0, "ONLY");
922 gMC->Gspos("QTD3", 2, "Q13TM", -3.8+5.5+boxpar[0], -6.1, 0., 0, "ONLY");
923 gMC->Gspos("QTD3", 3, "Q13TM", -3.8-5.5-boxpar[0], 6.1, 0., 0, "ONLY");
924 gMC->Gspos("QTD3", 4, "Q13TM", -3.8-5.5-boxpar[0], -6.1, 0., 0, "ONLY");
926 tubspar[0] = 12.0/2.;
927 tubspar[1] = 12.4/2.;
928 tubspar[2] = 540.0/2.;
931 gMC->Gsvolu("QTD4", "TUBS", idtmed[7], tubspar, 5);
932 gMC->Gspos("QTD4", 1, "Q13TM", -3.8-10.6, 0., 0., 0, "ONLY");
933 tubspar[0] = 12.0/2.;
934 tubspar[1] = 12.4/2.;
935 tubspar[2] = 540.0/2.;
938 gMC->Gsvolu("QTD5", "TUBS", idtmed[7], tubspar, 5);
939 gMC->Gspos("QTD5", 1, "Q13TM", -3.8+10.6, 0., 0., 0, "ONLY");
940 //---------------- END DEFINING TDI INSIDE Q13T -------------------------------
942 // skewed transition piece (ID=212 mm) (after TDI)
945 tubpar[2] = (20.0-2.41)/2.;
946 gMC->Gsvolu("QA16", "TUBE", idtmed[7], tubpar, 3);
947 gMC->Gspos("QA16", 1, "ZDCA", 1.10446+2.2, 0., tubpar[2]+2.41/2.+zd2, irotpipe2, "ONLY");
949 //printf(" QA16 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+2.41+zd2);
951 zd2 += 2.*tubpar[2]+2.41;
953 // bellow (ID=212 mm) (VMBGA)
957 gMC->Gsvolu("QA17", "TUBE", idtmed[7], tubpar, 3);
958 gMC->Gspos("QA17", 1, "ZDCA", 4.4, 0., tubpar[2]+zd2, 0, "ONLY");
960 //printf(" QA17 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
964 // TDI valve assembly (ID=212 mm)
968 gMC->Gsvolu("QA18", "TUBE", idtmed[7], tubpar, 3);
969 gMC->Gspos("QA18", 1, "ZDCA", 4.4, 0., tubpar[2]+zd2, 0, "ONLY");
971 //printf(" QA18 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
975 // bellow (ID=212 mm) (VMBGA)
979 gMC->Gsvolu("QA19", "TUBE", idtmed[7], tubpar, 3);
980 gMC->Gspos("QA19", 1, "ZDCA", 4.4, 0., tubpar[2]+zd2, 0, "ONLY");
982 //printf(" QA19 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
986 // vacuum chamber (ID=212 mm) (BTVST)
990 gMC->Gsvolu("QA20", "TUBE", idtmed[7], tubpar, 3);
991 gMC->Gspos("QA20", 1, "ZDCA", 4.4, 0., tubpar[2]+zd2, 0, "ONLY");
993 //printf(" QA20 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
997 // bellow (ID=212 mm) (VMBGA) repeated 3 times
1000 tubpar[2] = 120.0/2.;
1001 gMC->Gsvolu("QA21", "TUBE", idtmed[7], tubpar, 3);
1002 gMC->Gspos("QA21", 1, "ZDCA", 4.4, 0., tubpar[2]+zd2, 0, "ONLY");
1004 //printf(" QA21 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1006 zd2 += 2.*tubpar[2];
1008 // skewed transition cone from ID=212 mm to ID=797 mm SS for the moment
1009 conpar[0] = (110.0-0.44-1.63)/2.;
1010 conpar[1] = 21.2/2.;
1011 conpar[2] = 21.8/2.;
1012 conpar[3] = 79.7/2.;
1013 conpar[4] = 81.3/2.;
1014 gMC->Gsvolu("QA22", "CONE", idtmed[7], conpar, 5);
1015 gMC->Gspos("QA22", 1, "ZDCA", 4.4-2.201, 0., conpar[0]+0.44+zd2, irotpipe1, "ONLY");
1016 //printf(" QA22 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+0.44+1.63+zd2);
1018 zd2 += 2.*conpar[0]+0.44+1.63;
1020 // beam pipe (ID=797 mm) SS
1021 tubpar[0] = 79.7/2.;
1022 tubpar[1] = 81.3/2.;
1023 tubpar[2] = 2393.05/2.;
1024 gMC->Gsvolu("QA23", "TUBE", idtmed[7], tubpar, 3);
1025 gMC->Gspos("QA23", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1027 //printf(" QA23 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1029 zd2 += 2.*tubpar[2];
1031 // Transition from ID=797 mm to ID=196 mm SS for the moment:
1033 // in order to simulate the thin window opened in the transition cone
1034 // we divide the transition cone in three cones:
1035 // the first 8 mm thick
1036 // the second 3 mm thick
1037 // the third 8 mm thick
1040 conpar[0] = 9.09/2.; // 15 degree
1041 conpar[1] = 79.7/2.;
1042 conpar[2] = 81.3/2.; // thickness 8 mm
1043 conpar[3] = 74.82868/2.;
1044 conpar[4] = 76.42868/2.; // thickness 8 mm
1045 gMC->Gsvolu("Q24A", "CONE", idtmed[7], conpar, 5);
1046 gMC->Gspos("Q24A", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1047 //printf(" Q24A CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
1049 zd2 += 2.*conpar[0];
1052 conpar[0] = 96.2/2.; // 15 degree
1053 conpar[1] = 74.82868/2.;
1054 conpar[2] = 75.42868/2.; // thickness 3 mm
1055 conpar[3] = 23.19588/2.;
1056 conpar[4] = 23.79588/2.; // thickness 3 mm
1057 gMC->Gsvolu("QA25", "CONE", idtmed[7], conpar, 5);
1058 gMC->Gspos("QA25", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1059 //printf(" QA25 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
1061 zd2 += 2.*conpar[0];
1064 conpar[0] = 6.71/2.; // 15 degree
1065 conpar[1] = 23.19588/2.;
1066 conpar[2] = 24.79588/2.;// thickness 8 mm
1067 conpar[3] = 19.6/2.;
1068 conpar[4] = 21.2/2.;// thickness 8 mm
1069 gMC->Gsvolu("QA26", "CONE", idtmed[7], conpar, 5);
1070 gMC->Gspos("QA26", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1071 //printf(" QA26 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
1073 zd2 += 2.*conpar[0];
1075 // beam pipe (ID=196 mm)
1076 tubpar[0] = 19.6/2.;
1077 tubpar[1] = 21.2/2.;
1078 tubpar[2] = 9.55/2.;
1079 gMC->Gsvolu("QA27", "TUBE", idtmed[7], tubpar, 3);
1080 gMC->Gspos("QA27", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1082 //printf(" QA27 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1084 zd2 += 2.*tubpar[2];
1086 // Flange (ID=196 mm)
1087 tubpar[0] = 19.6/2.;
1088 tubpar[1] = 25.3/2.;
1090 gMC->Gsvolu("QF01", "TUBE", idtmed[7], tubpar, 3);
1091 gMC->Gspos("QF01", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1093 //printf(" QF01 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1095 zd2 += 2.*tubpar[2];
1097 // Special Warm Module (made by 5 volumes)
1098 tubpar[0] = 20.2/2.;
1099 tubpar[1] = 20.6/2.;
1100 tubpar[2] = 2.15/2.;
1101 gMC->Gsvolu("QA28", "TUBE", idtmed[7], tubpar, 3);
1102 gMC->Gspos("QA28", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1104 //printf(" QA28 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1106 zd2 += 2.*tubpar[2];
1109 conpar[1] = 20.2/2.;
1110 conpar[2] = 20.6/2.;
1111 conpar[3] = 23.9/2.;
1112 conpar[4] = 24.3/2.;
1113 gMC->Gsvolu("QA29", "CONE", idtmed[7], conpar, 5);
1114 gMC->Gspos("QA29", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1116 //printf(" QA29 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
1118 zd2 += 2.*conpar[0];
1120 tubpar[0] = 23.9/2.;
1121 tubpar[1] = 25.5/2.;
1122 tubpar[2] = 17.0/2.;
1123 gMC->Gsvolu("QA30", "TUBE", idtmed[7], tubpar, 3);
1124 gMC->Gspos("QA30", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1126 //printf(" QA30 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1128 zd2 += 2.*tubpar[2];
1131 conpar[1] = 23.9/2.;
1132 conpar[2] = 24.3/2.;
1133 conpar[3] = 20.2/2.;
1134 conpar[4] = 20.6/2.;
1135 gMC->Gsvolu("QA31", "CONE", idtmed[7], conpar, 5);
1136 gMC->Gspos("QA31", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1138 //printf(" QA31 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
1140 zd2 += 2.*conpar[0];
1142 tubpar[0] = 20.2/2.;
1143 tubpar[1] = 20.6/2.;
1144 tubpar[2] = 2.15/2.;
1145 gMC->Gsvolu("QA32", "TUBE", idtmed[7], tubpar, 3);
1146 gMC->Gspos("QA32", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1148 //printf(" QA32 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1150 zd2 += 2.*tubpar[2];
1152 // Flange (ID=196 mm)
1153 tubpar[0] = 19.6/2.;
1154 tubpar[1] = 25.3/2.;
1156 gMC->Gsvolu("QF02", "TUBE", idtmed[7], tubpar, 3);
1157 gMC->Gspos("QF02", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1159 //printf(" QF02 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1161 zd2 += 2.*tubpar[2];
1163 // simulation of the trousers (VCTYB)
1164 // (last design -mail 3/6/05)
1165 // pipe: a tube (ID = 196. OD = 200.)
1166 tubpar[0] = 19.6/2.;
1167 tubpar[1] = 20.0/2.;
1169 gMC->Gsvolu("QA33", "TUBE", idtmed[7], tubpar, 3);
1170 gMC->Gspos("QA33", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1172 //printf(" QA33 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1174 zd2 += 2.*tubpar[2];
1176 // transition cone from ID=196. to ID=216.6
1177 conpar[0] = 32.55/2.;
1178 conpar[1] = 19.6/2.;
1179 conpar[2] = 20.0/2.;
1180 conpar[3] = 21.66/2.;
1181 conpar[4] = 22.06/2.;
1182 gMC->Gsvolu("QA34", "CONE", idtmed[7], conpar, 5);
1183 gMC->Gspos("QA34", 1, "ZDCA", 0., 0., conpar[0]+zd2, 0, "ONLY");
1185 //printf(" QA34 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+zd2);
1187 zd2 += 2.*conpar[0];
1190 tubpar[0] = 21.66/2.;
1191 tubpar[1] = 22.06/2.;
1192 tubpar[2] = 28.6/2.;
1193 gMC->Gsvolu("QA35", "TUBE", idtmed[7], tubpar, 3);
1194 gMC->Gspos("QA35", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1196 //printf("\n QA35 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1198 zd2 += 2.*tubpar[2];
1200 // --------------------------------------------------------
1201 // RECOMBINATION CHAMBER IMPLEMENTED USING TGeo CLASSES!!!!
1202 // author: Chiara (June 2008)
1203 // --------------------------------------------------------
1204 // TRANSFORMATION MATRICES
1205 // Combi transformation:
1206 Double_t dx = -3.970000;
1207 Double_t dy = 0.000000;
1210 Double_t thx = 84.989100; Double_t phx = 0.000000;
1211 Double_t thy = 90.000000; Double_t phy = 90.000000;
1212 Double_t thz = 5.010900; Double_t phz = 180.000000;
1213 TGeoRotation *rotMatrix1 = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
1214 // Combi transformation:
1218 TGeoCombiTrans *rotMatrix2 = new TGeoCombiTrans("ZDC_c1", dx,dy,dz,rotMatrix1);
1219 rotMatrix2->RegisterYourself();
1220 // Combi transformation:
1225 thx = 95.010900; phx = 0.000000;
1226 thy = 90.000000; phy = 90.000000;
1227 thz = 5.010900; phz = 0.000000;
1228 TGeoRotation *rotMatrix3 = new TGeoRotation("",thx,phx,thy,phy,thz,phz);
1229 TGeoCombiTrans *rotMatrix4 = new TGeoCombiTrans("ZDC_c2", dx,dy,dz,rotMatrix3);
1230 rotMatrix4->RegisterYourself();
1232 // VOLUMES DEFINITION
1234 TGeoVolume *pZDCA = gGeoManager->GetVolume("ZDCA");
1235 //pZDCA->PrintNodes();
1237 conpar[0] = (90.1-0.95-0.26)/2.;
1239 conpar[2] = 21.6/2.;
1242 TGeoShape *pConeExt = new TGeoCone("QALext", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
1244 conpar[0] = (90.1-0.95-0.26)/2.;
1246 conpar[2] = 21.2/2.;
1249 TGeoShape *pConeInt = new TGeoCone("QALint", conpar[0],conpar[1],conpar[2],conpar[3],conpar[4]);
1252 TGeoCompositeShape *pOutTrousers = new TGeoCompositeShape("outTrousers", "QALext:ZDC_c1+QALext:ZDC_c2");
1255 TGeoMedium *medZDCFe = gGeoManager->GetMedium("ZDC_ZIRON");
1256 TGeoVolume *pQALext = new TGeoVolume("QALext",pOutTrousers, medZDCFe);
1257 pQALext->SetLineColor(5);
1258 pQALext->SetVisLeaves(kTRUE);
1260 TGeoTranslation *tr1 = new TGeoTranslation(0., 0., (Double_t) conpar[0]+0.95+zd2);
1261 pZDCA->AddNode(pQALext, 1, tr1);
1263 TGeoCompositeShape *pIntTrousers = new TGeoCompositeShape("intTrousers", "QALint:ZDC_c1+QALint:ZDC_c2");
1265 TGeoMedium *medZDCvoid = gGeoManager->GetMedium("ZDC_ZVOID");
1266 TGeoVolume *pQALint = new TGeoVolume("QALint",pIntTrousers, medZDCvoid);
1267 pQALint->SetLineColor(7);
1268 pQALint->SetVisLeaves(kTRUE);
1269 pQALext->AddNode(pQALint, 1);
1273 // second section : 2 tubes (ID = 54. OD = 58.)
1276 tubpar[2] = 40.0/2.;
1277 gMC->Gsvolu("QA36", "TUBE", idtmed[7], tubpar, 3);
1278 gMC->Gspos("QA36", 1, "ZDCA", -15.8/2., 0., tubpar[2]+zd2, 0, "ONLY");
1279 gMC->Gspos("QA36", 2, "ZDCA", 15.8/2., 0., tubpar[2]+zd2, 0, "ONLY");
1281 //printf(" QA36 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1283 zd2 += 2.*tubpar[2];
1285 // transition x2zdc to recombination chamber : skewed cone
1286 conpar[0] = (10.-0.2)/2.;
1291 gMC->Gsvolu("QA37", "CONE", idtmed[7], conpar, 5);
1292 gMC->Gspos("QA37", 1, "ZDCA", -7.9-0.175, 0., conpar[0]+0.1+zd2, irotpipe7, "ONLY");
1293 gMC->Gspos("QA37", 2, "ZDCA", 7.9+0.175, 0., conpar[0]+0.1+zd2, irotpipe8, "ONLY");
1294 //printf(" QA37 CONE from z = %f to z= %f\n",zd2,2*conpar[0]+0.2+zd2);
1296 zd2 += 2.*conpar[0]+0.2;
1298 // 2 tubes (ID = 63 mm OD=70 mm)
1301 tubpar[2] = 512.9/2.;
1302 gMC->Gsvolu("QA38", "TUBE", idtmed[7], tubpar, 3);
1303 gMC->Gspos("QA38", 1, "ZDCA", -16.5/2., 0., tubpar[2]+zd2, 0, "ONLY");
1304 gMC->Gspos("QA38", 2, "ZDCA", 16.5/2., 0., tubpar[2]+zd2, 0, "ONLY");
1305 //printf(" QA38 TUBE from z = %f to z= %f\n",zd2,2*tubpar[2]+zd2);
1307 zd2 += 2.*tubpar[2];
1308 //printf("\n END OF BEAM PIPE VOLUME DEFINITION AT z= %f\n",zd2);
1310 // -- Luminometer (Cu box) in front of ZN - side A
1314 gMC->Gsvolu("QLUA", "BOX ", idtmed[7], boxpar, 3);
1315 gMC->Gspos("QLUA", 1, "ZDCA", 0., 0., fPosZNA[2]-66.-boxpar[2], 0, "ONLY");
1316 //printf("\n QLUC LUMINOMETER from z = %f to z= %f\n\n", fPosZNA[2]-66., fPosZNA[2]-66.-2*boxpar[2]);
1319 // ----------------------------------------------------------------
1320 // -- MAGNET DEFINITION -> LHC OPTICS 6.5
1321 // ----------------------------------------------------------------
1322 // ***************************************************************
1323 // SIDE C - RB26 (dimuon side)
1324 // ***************************************************************
1325 // -- COMPENSATOR DIPOLE (MBXW)
1328 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1331 tubpar[2] = 153./2.;
1332 gMC->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3);
1337 tubpar[2] = 153./2.;
1338 gMC->Gsvolu("YMBX", "TUBE", idtmed[7], tubpar, 3);
1340 gMC->Gspos("MBXW", 1, "ZDCC", 0., 0., -tubpar[2]-zc, 0, "ONLY");
1341 gMC->Gspos("YMBX", 1, "ZDCC", 0., 0., -tubpar[2]-zc, 0, "ONLY");
1347 // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT
1349 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1352 tubpar[2] = 637./2.;
1353 gMC->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3);
1358 tubpar[2] = 637./2.;
1359 gMC->Gsvolu("YMQL", "TUBE", idtmed[7], tubpar, 3);
1361 gMC->Gspos("MQXL", 1, "ZDCC", 0., 0., -tubpar[2]-zq, 0, "ONLY");
1362 gMC->Gspos("YMQL", 1, "ZDCC", 0., 0., -tubpar[2]-zq, 0, "ONLY");
1364 gMC->Gspos("MQXL", 2, "ZDCC", 0., 0., -tubpar[2]-zq-2400., 0, "ONLY");
1365 gMC->Gspos("YMQL", 2, "ZDCC", 0., 0., -tubpar[2]-zq-2400., 0, "ONLY");
1368 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1371 tubpar[2] = 550./2.;
1372 gMC->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3);
1377 tubpar[2] = 550./2.;
1378 gMC->Gsvolu("YMQ ", "TUBE", idtmed[7], tubpar, 3);
1380 gMC->Gspos("MQX ", 1, "ZDCC", 0., 0., -tubpar[2]-zq-908.5, 0, "ONLY");
1381 gMC->Gspos("YMQ ", 1, "ZDCC", 0., 0., -tubpar[2]-zq-908.5, 0, "ONLY");
1383 gMC->Gspos("MQX ", 2, "ZDCC", 0., 0., -tubpar[2]-zq-1558.5, 0, "ONLY");
1384 gMC->Gspos("YMQ ", 2, "ZDCC", 0., 0., -tubpar[2]-zq-1558.5, 0, "ONLY");
1386 // -- SEPARATOR DIPOLE D1
1389 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1392 tubpar[2] = 945./2.;
1393 gMC->Gsvolu("MD1 ", "TUBE", idtmed[11], tubpar, 3);
1395 // -- Insert horizontal Cu plates inside D1
1396 // -- (to simulate the vacuum chamber)
1397 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.98+0.2)*(2.98+0.2)) - 0.05;
1399 boxpar[2] = 945./2.;
1400 gMC->Gsvolu("MD1V", "BOX ", idtmed[6], boxpar, 3);
1401 gMC->Gspos("MD1V", 1, "MD1 ", 0., 2.98+boxpar[1], 0., 0, "ONLY");
1402 gMC->Gspos("MD1V", 2, "MD1 ", 0., -2.98-boxpar[1], 0., 0, "ONLY");
1406 tubpar[1] = 110./2.;
1407 tubpar[2] = 945./2.;
1408 gMC->Gsvolu("YD1 ", "TUBE", idtmed[7], tubpar, 3);
1410 gMC->Gspos("YD1 ", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
1411 gMC->Gspos("MD1 ", 1, "ZDCC", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
1413 //printf("\t **** D1 positioned! It goes from z = %1.2f to z = %1.2f cm\n",-zd1, -zd1-2*tubpar[2]);
1416 // --- LHC optics v6.4
1419 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1422 tubpar[2] = 945./2.;
1423 gMC->Gsvolu("MD2 ", "TUBE", idtmed[11], tubpar, 3);
1428 tubpar[2] = 945./2.;
1429 gMC->Gsvolu("YD2 ", "TUBE", idtmed[7], tubpar, 3);
1431 gMC->Gspos("YD2 ", 1, "ZDCC", 0., 0., -tubpar[2]-zd2, 0, "ONLY");
1433 gMC->Gspos("MD2 ", 1, "YD2 ", -9.4, 0., 0., 0, "ONLY");
1434 gMC->Gspos("MD2 ", 2, "YD2 ", 9.4, 0., 0., 0, "ONLY");
1436 // ***************************************************************
1438 // ***************************************************************
1440 // COMPENSATOR DIPOLE (MCBWA) (2nd compensator)
1441 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1444 tubpar[2] = 153./2.;
1445 gMC->Gsvolu("MCBW", "TUBE", idtmed[11], tubpar, 3);
1446 gMC->Gspos("MCBW", 1, "ZDCA", 0., 0., tubpar[2]+1972.5, 0, "ONLY");
1451 tubpar[2] = 153./2.;
1452 gMC->Gsvolu("YMCB", "TUBE", idtmed[7], tubpar, 3);
1453 gMC->Gspos("YMCB", 1, "ZDCA", 0., 0., tubpar[2]+1972.5, 0, "ONLY");
1458 // -- DEFINE MQX1 AND MQX2 QUADRUPOLE ELEMENT
1460 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1463 tubpar[2] = 637./2.;
1464 gMC->Gsvolu("MQX1", "TUBE", idtmed[11], tubpar, 3);
1465 gMC->Gsvolu("MQX4", "TUBE", idtmed[11], tubpar, 3);
1470 tubpar[2] = 637./2.;
1471 gMC->Gsvolu("YMQ1", "TUBE", idtmed[7], tubpar, 3);
1474 gMC->Gspos("MQX1", 1, "ZDCA", 0., 0., tubpar[2]+zql, 0, "ONLY");
1475 gMC->Gspos("YMQ1", 1, "ZDCA", 0., 0., tubpar[2]+zql, 0, "ONLY");
1477 // -- BEAM SCREEN FOR Q1
1478 tubpar[0] = 4.78/2.;
1479 tubpar[1] = 5.18/2.;
1480 tubpar[2] = 637./2.;
1481 gMC->Gsvolu("QBS1", "TUBE", idtmed[6], tubpar, 3);
1482 gMC->Gspos("QBS1", 1, "MQX1", 0., 0., 0., 0, "ONLY");
1483 // INSERT VERTICAL PLATE INSIDE Q1
1484 boxpar[0] = 0.2/2.0;
1485 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(1.9+0.2)*(1.9+0.2));
1487 gMC->Gsvolu("QBS2", "BOX ", idtmed[6], boxpar, 3);
1488 gMC->Gspos("QBS2", 1, "MQX1", 1.9+boxpar[0], 0., 0., 0, "ONLY");
1489 gMC->Gspos("QBS2", 2, "MQX1", -1.9-boxpar[0], 0., 0., 0, "ONLY");
1492 gMC->Gspos("MQX4", 1, "ZDCA", 0., 0., tubpar[2]+zql+2400., 0, "ONLY");
1493 gMC->Gspos("YMQ1", 2, "ZDCA", 0., 0., tubpar[2]+zql+2400., 0, "ONLY");
1495 // -- BEAM SCREEN FOR Q3
1496 tubpar[0] = 5.79/2.;
1497 tubpar[1] = 6.14/2.;
1498 tubpar[2] = 637./2.;
1499 gMC->Gsvolu("QBS3", "TUBE", idtmed[6], tubpar, 3);
1500 gMC->Gspos("QBS3", 1, "MQX4", 0., 0., 0., 0, "ONLY");
1501 // INSERT VERTICAL PLATE INSIDE Q3
1502 boxpar[0] = 0.2/2.0;
1503 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(2.405+0.2)*(2.405+0.2));
1505 gMC->Gsvolu("QBS4", "BOX ", idtmed[6], boxpar, 3);
1506 gMC->Gspos("QBS4", 1, "MQX4", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1507 gMC->Gspos("QBS4", 2, "MQX4", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1512 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1515 tubpar[2] = 550./2.;
1516 gMC->Gsvolu("MQX2", "TUBE", idtmed[11], tubpar, 3);
1517 gMC->Gsvolu("MQX3", "TUBE", idtmed[11], tubpar, 3);
1522 tubpar[2] = 550./2.;
1523 gMC->Gsvolu("YMQ2", "TUBE", idtmed[7], tubpar, 3);
1525 // -- BEAM SCREEN FOR Q2
1526 tubpar[0] = 5.79/2.;
1527 tubpar[1] = 6.14/2.;
1528 tubpar[2] = 550./2.;
1529 gMC->Gsvolu("QBS5", "TUBE", idtmed[6], tubpar, 3);
1530 // VERTICAL PLATE INSIDE Q2
1531 boxpar[0] = 0.2/2.0;
1532 boxpar[1] = TMath::Sqrt(tubpar[0]*tubpar[0]-(2.405+0.2)*(2.405+0.2));
1534 gMC->Gsvolu("QBS6", "BOX ", idtmed[6], boxpar, 3);
1537 gMC->Gspos("MQX2", 1, "ZDCA", 0., 0., tubpar[2]+zql+908.5, 0, "ONLY");
1538 gMC->Gspos("QBS5", 1, "MQX2", 0., 0., 0., 0, "ONLY");
1539 gMC->Gspos("QBS6", 1, "MQX2", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1540 gMC->Gspos("QBS6", 2, "MQX2", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1541 gMC->Gspos("YMQ2", 1, "ZDCA", 0., 0., tubpar[2]+zql+908.5, 0, "ONLY");
1545 gMC->Gspos("MQX3", 1, "ZDCA", 0., 0., tubpar[2]+zql+1558.5, 0, "ONLY");
1546 gMC->Gspos("QBS5", 2, "MQX3", 0., 0., 0., 0, "ONLY");
1547 gMC->Gspos("QBS6", 3, "MQX3", 2.405+boxpar[0], 0., 0., 0, "ONLY");
1548 gMC->Gspos("QBS6", 4, "MQX3", -2.405-boxpar[0], 0., 0., 0, "ONLY");
1549 gMC->Gspos("YMQ2", 2, "ZDCA", 0., 0., tubpar[2]+zql+1558.5, 0, "ONLY");
1551 // -- SEPARATOR DIPOLE D1
1554 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1556 tubpar[1] = 6.75/2.;//3.375
1557 tubpar[2] = 945./2.;
1558 gMC->Gsvolu("MD1L", "TUBE", idtmed[11], tubpar, 3);
1560 // -- The beam screen tube is provided by the beam pipe in D1 (QA03 volume)
1561 // -- Insert the beam screen horizontal Cu plates inside D1
1562 // -- (to simulate the vacuum chamber)
1563 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.885+0.2)*(2.885+0.2));
1566 gMC->Gsvolu("QBS7", "BOX ", idtmed[6], boxpar, 3);
1567 gMC->Gspos("QBS7", 1, "MD1L", 0., 2.885+boxpar[1],0., 0, "ONLY");
1568 gMC->Gspos("QBS7", 2, "MD1L", 0., -2.885-boxpar[1],0., 0, "ONLY");
1573 tubpar[2] = 945./2.;
1574 gMC->Gsvolu("YD1L", "TUBE", idtmed[7], tubpar, 3);
1576 gMC->Gspos("YD1L", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1577 gMC->Gspos("MD1L", 1, "ZDCA", 0., 0., tubpar[2]+zd2, 0, "ONLY");
1580 // --- LHC optics v6.5
1583 // -- GAP (VACUUM WITH MAGNETIC FIELD)
1585 tubpar[1] = 7.5/2.; // this has to be checked
1586 tubpar[2] = 945./2.;
1587 gMC->Gsvolu("MD2L", "TUBE", idtmed[11], tubpar, 3);
1592 tubpar[2] = 945./2.;
1593 gMC->Gsvolu("YD2L", "TUBE", idtmed[7], tubpar, 3);
1595 gMC->Gspos("YD2L", 1, "ZDCA", 0., 0., tubpar[2]+zd2l, 0, "ONLY");
1597 gMC->Gspos("MD2L", 1, "YD2L", -9.4, 0., 0., 0, "ONLY");
1598 gMC->Gspos("MD2L", 2, "YD2L", 9.4, 0., 0., 0, "ONLY");
1600 // -- END OF MAGNET DEFINITION
1603 //_____________________________________________________________________________
1604 void AliZDCv3::CreateZDC()
1607 // Create the various ZDCs (ZN + ZP)
1610 Float_t dimPb[6], dimVoid[6];
1612 Int_t *idtmed = fIdtmed->GetArray();
1614 // Parameters for hadronic calorimeters geometry
1615 // NB -> parameters used ONLY in CreateZDC()
1616 Float_t fGrvZN[3] = {0.03, 0.03, 50.}; // Grooves for neutron detector
1617 Float_t fGrvZP[3] = {0.04, 0.04, 75.}; // Grooves for proton detector
1618 Int_t fDivZN[3] = {11, 11, 0}; // Division for neutron detector
1619 Int_t fDivZP[3] = {7, 15, 0}; // Division for proton detector
1620 Int_t fTowZN[2] = {2, 2}; // Tower for neutron detector
1621 Int_t fTowZP[2] = {4, 1}; // Tower for proton detector
1623 // Parameters for EM calorimeter geometry
1624 // NB -> parameters used ONLY in CreateZDC()
1625 Float_t kDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
1626 Float_t kFibRadZEM = 0.0315; // External fiber radius (including cladding)
1627 Int_t fDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
1628 Float_t fDimZEM[6] = {fZEMLength, 3.5, 3.5, 45., 0., 0.}; // Dimensions of EM detector
1629 Float_t fFibZEM2 = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-kFibRadZEM;
1630 Float_t fFibZEM[3] = {0., 0.0275, fFibZEM2}; // Fibers for EM calorimeter
1633 //-- Create calorimeters geometry
1635 // -------------------------------------------------------------------------------
1636 //--> Neutron calorimeter (ZN)
1638 gMC->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material
1639 gMC->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material
1640 gMC->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3);
1641 gMC->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3);
1642 gMC->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3);
1643 gMC->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves
1644 gMC->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3);
1645 gMC->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3);
1646 gMC->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3);
1648 // Divide ZNEU in towers (for hits purposes)
1650 gMC->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower
1651 gMC->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower
1653 //-- Divide ZN1 in minitowers
1654 // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS,
1655 // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS
1656 // (4 fibres per minitower)
1658 gMC->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices
1659 gMC->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks
1661 // --- Position the empty grooves in the sticks (4 grooves per stick)
1662 Float_t dx = fDimZN[0] / fDivZN[0] / 4.;
1663 Float_t dy = fDimZN[1] / fDivZN[1] / 4.;
1665 gMC->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY");
1666 gMC->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY");
1667 gMC->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY");
1668 gMC->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY");
1670 // --- Position the fibers in the grooves
1671 gMC->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY");
1672 gMC->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY");
1673 gMC->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY");
1674 gMC->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY");
1676 // --- Position the neutron calorimeter in ZDC
1677 // -- Rotation of ZDCs
1679 gMC->Matrix(irotzdc, 90., 180., 90., 90., 180., 0.);
1681 gMC->Gspos("ZNEU", 1, "ZDCC", fPosZNC[0], fPosZNC[1], fPosZNC[2]-fDimZN[2], irotzdc, "ONLY");
1683 //printf("\n ZN -> %f < z < %f cm\n",fPosZN[2],fPosZN[2]-2*fDimZN[2]);
1685 // --- Position the neutron calorimeter in ZDC2 (left line)
1686 // -- No Rotation of ZDCs
1687 gMC->Gspos("ZNEU", 2, "ZDCA", fPosZNA[0], fPosZNA[1], fPosZNA[2]+fDimZN[2], 0, "ONLY");
1689 //printf("\n ZN left -> %f < z < %f cm\n",fPosZNl[2],fPosZNl[2]+2*fDimZN[2]);
1692 // -------------------------------------------------------------------------------
1693 //--> Proton calorimeter (ZP)
1695 gMC->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material
1696 gMC->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material
1697 gMC->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3);
1698 gMC->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3);
1699 gMC->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3);
1700 gMC->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves
1701 gMC->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3);
1702 gMC->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3);
1703 gMC->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3);
1705 //-- Divide ZPRO in towers(for hits purposes)
1707 gMC->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower
1708 gMC->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower
1711 //-- Divide ZP1 in minitowers
1712 // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER,
1713 // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER
1714 // (4 fiber per minitower)
1716 gMC->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices
1717 gMC->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks
1719 // --- Position the empty grooves in the sticks (4 grooves per stick)
1720 dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.;
1721 dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.;
1723 gMC->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY");
1724 gMC->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY");
1725 gMC->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY");
1726 gMC->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY");
1728 // --- Position the fibers in the grooves
1729 gMC->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY");
1730 gMC->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY");
1731 gMC->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY");
1732 gMC->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY");
1735 // --- Position the proton calorimeter in ZDCC
1736 gMC->Gspos("ZPRO", 1, "ZDCC", fPosZPC[0], fPosZPC[1], fPosZPC[2]-fDimZP[2], irotzdc, "ONLY");
1738 //printf("\n ZP -> %f < z < %f cm\n",fPosZP[2],fPosZP[2]-2*fDimZP[2]);
1740 // --- Position the proton calorimeter in ZDCA
1742 gMC->Gspos("ZPRO", 2, "ZDCA", fPosZPA[0], fPosZPA[1], fPosZPA[2]+fDimZP[2], 0, "ONLY");
1744 //printf("\n ZP left -> %f < z < %f cm\n",fPosZPl[2],fPosZPl[2]+2*fDimZP[2]);
1747 // -------------------------------------------------------------------------------
1748 // -> EM calorimeter (ZEM)
1750 gMC->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6);
1753 gMC->Matrix(irot1,0.,0.,90.,90.,-90.,0.); // Rotation matrix 1
1754 gMC->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]);// Rotation matrix 2
1755 //printf("irot1 = %d, irot2 = %d \n", irot1, irot2);
1757 gMC->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material
1759 gMC->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches
1761 dimPb[0] = kDimZEMPb; // Lead slices
1762 dimPb[1] = fDimZEM[2];
1763 dimPb[2] = fDimZEM[1];
1764 //dimPb[3] = fDimZEM[3]; //controllare
1765 dimPb[3] = 90.-fDimZEM[3]; //originale
1768 gMC->Gsvolu("ZEL0", "PARA", idtmed[5], dimPb, 6);
1769 gMC->Gsvolu("ZEL1", "PARA", idtmed[5], dimPb, 6);
1770 gMC->Gsvolu("ZEL2", "PARA", idtmed[5], dimPb, 6);
1772 // --- Position the lead slices in the tranche
1773 Float_t zTran = fDimZEM[0]/fDivZEM[2];
1774 Float_t zTrPb = -zTran+kDimZEMPb;
1775 gMC->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY");
1776 gMC->Gspos("ZEL1", 1, "ZETR", kDimZEMPb, 0., 0., 0, "ONLY");
1778 // --- Vacuum zone (to be filled with fibres)
1779 dimVoid[0] = (zTran-2*kDimZEMPb)/2.;
1780 dimVoid[1] = fDimZEM[2];
1781 dimVoid[2] = fDimZEM[1];
1782 dimVoid[3] = 90.-fDimZEM[3];
1785 gMC->Gsvolu("ZEV0", "PARA", idtmed[10], dimVoid,6);
1786 gMC->Gsvolu("ZEV1", "PARA", idtmed[10], dimVoid,6);
1788 // --- Divide the vacuum slice into sticks along x axis
1789 gMC->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3);
1790 gMC->Gsdvn("ZES1", "ZEV1", fDivZEM[0], 3);
1792 // --- Positioning the fibers into the sticks
1793 gMC->Gspos("ZEMF", 1,"ZES0", 0., 0., 0., irot2, "ONLY");
1794 gMC->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY");
1796 // --- Positioning the vacuum slice into the tranche
1797 //Float_t displFib = fDimZEM[1]/fDivZEM[0];
1798 gMC->Gspos("ZEV0", 1,"ZETR", -dimVoid[0], 0., 0., 0, "ONLY");
1799 gMC->Gspos("ZEV1", 1,"ZETR", -dimVoid[0]+zTran, 0., 0., 0, "ONLY");
1801 // --- Positioning the ZEM into the ZDC - rotation for 90 degrees
1802 // NB -> ZEM is positioned in ALIC (instead of in ZDC) volume
1803 gMC->Gspos("ZEM ", 1,"ALIC", -fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
1805 // Second EM ZDC (same side w.r.t. IP, just on the other side w.r.t. beam pipe)
1806 gMC->Gspos("ZEM ", 2,"ALIC", fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
1808 // --- Adding last slice at the end of the EM calorimeter
1809 Float_t zLastSlice = fPosZEM[2]+kDimZEMPb+2*fDimZEM[0];
1810 gMC->Gspos("ZEL2", 1,"ALIC", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY");
1812 //printf("\n ZEM lenght = %f cm\n",2*fZEMLength);
1813 //printf("\n ZEM -> %f < z < %f cm\n",fPosZEM[2],fPosZEM[2]+2*fZEMLength+zLastSlice+kDimZEMPb);
1817 //_____________________________________________________________________________
1818 void AliZDCv3::DrawModule() const
1821 // Draw a shaded view of the Zero Degree Calorimeter version 1
1824 // Set everything unseen
1825 gMC->Gsatt("*", "seen", -1);
1827 // Set ALIC mother transparent
1828 gMC->Gsatt("ALIC","SEEN",0);
1830 // Set the volumes visible
1831 gMC->Gsatt("ZDCC","SEEN",0);
1832 gMC->Gsatt("QT01","SEEN",1);
1833 gMC->Gsatt("QT02","SEEN",1);
1834 gMC->Gsatt("QT03","SEEN",1);
1835 gMC->Gsatt("QT04","SEEN",1);
1836 gMC->Gsatt("QT05","SEEN",1);
1837 gMC->Gsatt("QT06","SEEN",1);
1838 gMC->Gsatt("QT07","SEEN",1);
1839 gMC->Gsatt("QT08","SEEN",1);
1840 gMC->Gsatt("QT09","SEEN",1);
1841 gMC->Gsatt("QT10","SEEN",1);
1842 gMC->Gsatt("QT11","SEEN",1);
1843 gMC->Gsatt("QT12","SEEN",1);
1844 gMC->Gsatt("QT13","SEEN",1);
1845 gMC->Gsatt("QT14","SEEN",1);
1846 gMC->Gsatt("QT15","SEEN",1);
1847 gMC->Gsatt("QT16","SEEN",1);
1848 gMC->Gsatt("QT17","SEEN",1);
1849 gMC->Gsatt("QT18","SEEN",1);
1850 gMC->Gsatt("QC01","SEEN",1);
1851 gMC->Gsatt("QC02","SEEN",1);
1852 gMC->Gsatt("QC03","SEEN",1);
1853 gMC->Gsatt("QC04","SEEN",1);
1854 gMC->Gsatt("QC05","SEEN",1);
1855 gMC->Gsatt("QTD1","SEEN",1);
1856 gMC->Gsatt("QTD2","SEEN",1);
1857 gMC->Gsatt("QTD3","SEEN",1);
1858 gMC->Gsatt("MQXL","SEEN",1);
1859 gMC->Gsatt("YMQL","SEEN",1);
1860 gMC->Gsatt("MQX ","SEEN",1);
1861 gMC->Gsatt("YMQ ","SEEN",1);
1862 gMC->Gsatt("ZQYX","SEEN",1);
1863 gMC->Gsatt("MD1 ","SEEN",1);
1864 gMC->Gsatt("MD1V","SEEN",1);
1865 gMC->Gsatt("YD1 ","SEEN",1);
1866 gMC->Gsatt("MD2 ","SEEN",1);
1867 gMC->Gsatt("YD2 ","SEEN",1);
1868 gMC->Gsatt("ZNEU","SEEN",0);
1869 gMC->Gsatt("ZNF1","SEEN",0);
1870 gMC->Gsatt("ZNF2","SEEN",0);
1871 gMC->Gsatt("ZNF3","SEEN",0);
1872 gMC->Gsatt("ZNF4","SEEN",0);
1873 gMC->Gsatt("ZNG1","SEEN",0);
1874 gMC->Gsatt("ZNG2","SEEN",0);
1875 gMC->Gsatt("ZNG3","SEEN",0);
1876 gMC->Gsatt("ZNG4","SEEN",0);
1877 gMC->Gsatt("ZNTX","SEEN",0);
1878 gMC->Gsatt("ZN1 ","COLO",4);
1879 gMC->Gsatt("ZN1 ","SEEN",1);
1880 gMC->Gsatt("ZNSL","SEEN",0);
1881 gMC->Gsatt("ZNST","SEEN",0);
1882 gMC->Gsatt("ZPRO","SEEN",0);
1883 gMC->Gsatt("ZPF1","SEEN",0);
1884 gMC->Gsatt("ZPF2","SEEN",0);
1885 gMC->Gsatt("ZPF3","SEEN",0);
1886 gMC->Gsatt("ZPF4","SEEN",0);
1887 gMC->Gsatt("ZPG1","SEEN",0);
1888 gMC->Gsatt("ZPG2","SEEN",0);
1889 gMC->Gsatt("ZPG3","SEEN",0);
1890 gMC->Gsatt("ZPG4","SEEN",0);
1891 gMC->Gsatt("ZPTX","SEEN",0);
1892 gMC->Gsatt("ZP1 ","COLO",6);
1893 gMC->Gsatt("ZP1 ","SEEN",1);
1894 gMC->Gsatt("ZPSL","SEEN",0);
1895 gMC->Gsatt("ZPST","SEEN",0);
1896 gMC->Gsatt("ZEM ","COLO",7);
1897 gMC->Gsatt("ZEM ","SEEN",1);
1898 gMC->Gsatt("ZEMF","SEEN",0);
1899 gMC->Gsatt("ZETR","SEEN",0);
1900 gMC->Gsatt("ZEL0","SEEN",0);
1901 gMC->Gsatt("ZEL1","SEEN",0);
1902 gMC->Gsatt("ZEL2","SEEN",0);
1903 gMC->Gsatt("ZEV0","SEEN",0);
1904 gMC->Gsatt("ZEV1","SEEN",0);
1905 gMC->Gsatt("ZES0","SEEN",0);
1906 gMC->Gsatt("ZES1","SEEN",0);
1909 gMC->Gdopt("hide", "on");
1910 gMC->Gdopt("shad", "on");
1911 gMC->Gsatt("*", "fill", 7);
1912 gMC->SetClipBox(".");
1913 gMC->SetClipBox("*", 0, 100, -100, 100, 12000, 16000);
1914 gMC->DefaultRange();
1915 gMC->Gdraw("alic", 40, 30, 0, 488, 220, .07, .07);
1916 gMC->Gdhead(1111, "Zero Degree Calorimeter Version 3");
1917 gMC->Gdman(18, 4, "MAN");
1920 //_____________________________________________________________________________
1921 void AliZDCv3::CreateMaterials()
1924 // Create Materials for the Zero Degree Calorimeter
1926 Float_t dens, ubuf[1], wmat[3], a[3], z[3];
1928 // --- W alloy -> ZN passive material
1939 AliMixture(1, "WALL", a, z, dens, 3, wmat);
1941 // --- Brass (CuZn) -> ZP passive material
1949 AliMixture(2, "BRASS", a, z, dens, 2, wmat);
1959 AliMixture(3, "SIO2", a, z, dens, -2, wmat);
1963 AliMaterial(5, "LEAD", 207.19, 82., 11.35, .56, 18.5, ubuf, 1);
1965 // --- Copper (energy loss taken into account)
1967 AliMaterial(6, "COPP0", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
1969 // --- Iron (energy loss taken into account)
1971 AliMaterial(7, "IRON0", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
1973 // --- Iron (no energy loss)
1975 AliMaterial(8, "IRON1", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
1977 // ---------------------------------------------------------
1978 Float_t aResGas[3]={1.008,12.0107,15.9994};
1979 Float_t zResGas[3]={1.,6.,8.};
1980 Float_t wResGas[3]={0.28,0.28,0.44};
1981 Float_t dResGas = 3.2E-14;
1983 // --- Vacuum (no magnetic field)
1984 AliMixture(10, "VOID", aResGas, zResGas, dResGas, 3, wResGas);
1986 // --- Vacuum (with magnetic field)
1987 AliMixture(11, "VOIM", aResGas, zResGas, dResGas, 3, wResGas);
1989 // --- Air (no magnetic field)
1990 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
1991 Float_t zAir[4]={6.,7.,8.,18.};
1992 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
1993 Float_t dAir = 1.20479E-3;
1995 AliMixture(12, "Air $", aAir, zAir, dAir, 4, wAir);
1997 // --- Definition of tracking media:
1999 // --- Tantalum = 1 ;
2001 // --- Fibers (SiO2) = 3 ;
2002 // --- Fibers (SiO2) = 4 ;
2004 // --- Copper (with energy loss)= 6 ;
2005 // --- Copper (with energy loss)= 13 ;
2006 // --- Iron (with energy loss) = 7 ;
2007 // --- Iron (without energy loss) = 8 ;
2008 // --- Vacuum (no field) = 10
2009 // --- Vacuum (with field) = 11
2010 // --- Air (no field) = 12
2012 // ****************************************************
2013 // Tracking media parameters
2015 Float_t epsil = 0.01; // Tracking precision,
2016 Float_t stmin = 0.01; // Min. value 4 max. step (cm)
2017 Float_t stemax = 1.; // Max. step permitted (cm)
2018 Float_t tmaxfd = 0.; // Maximum angle due to field (degrees)
2019 Float_t deemax = -1.; // Maximum fractional energy loss
2020 Float_t nofieldm = 0.; // Max. field value (no field)
2021 Float_t fieldm = 45.; // Max. field value (with field)
2022 Int_t isvol = 0; // ISVOL =0 -> not sensitive volume
2023 Int_t isvolActive = 1; // ISVOL =1 -> sensitive volume
2024 Int_t inofld = 0; // IFIELD=0 -> no magnetic field
2025 Int_t ifield =2; // IFIELD=2 -> magnetic field defined in AliMagFC.h
2026 // *****************************************************
2028 AliMedium(1, "ZTANT", 1, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2029 AliMedium(2, "ZBRASS",2, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2030 AliMedium(3, "ZSIO2", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2031 AliMedium(4, "ZQUAR", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2032 AliMedium(5, "ZLEAD", 5, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2033 AliMedium(6, "ZCOPP", 6, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2034 AliMedium(7, "ZIRON", 7, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2035 AliMedium(8, "ZIRONN",8, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2036 AliMedium(10,"ZVOID",10, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2037 AliMedium(12,"ZAIR", 12, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin);
2039 AliMedium(11,"ZVOIM",11, isvol, ifield, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
2044 //_____________________________________________________________________________
2045 void AliZDCv3::AddAlignableVolumes() const
2048 // Create entries for alignable volumes associating the symbolic volume
2049 // name with the corresponding volume path. Needs to be syncronized with
2050 // eventual changes in the geometry.
2052 TString volpath1 = "ALIC_1/ZDCC_1/ZNEU_1";
2053 TString volpath2 = "ALIC_1/ZDCC_1/ZPRO_1";
2054 TString volpath3 = "ALIC_1/ZDCA_1/ZNEU_2";
2055 TString volpath4 = "ALIC_1/ZDCA_1/ZPRO_2";
2057 TString symname1="ZDC/NeutronZDC_C";
2058 TString symname2="ZDC/ProtonZDC_C";
2059 TString symname3="ZDC/NeutronZDC_A";
2060 TString symname4="ZDC/ProtonZDC_A";
2062 if(!gGeoManager->SetAlignableEntry(symname1.Data(),volpath1.Data()))
2063 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname1.Data(),volpath1.Data()));
2065 if(!gGeoManager->SetAlignableEntry(symname2.Data(),volpath2.Data()))
2066 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname2.Data(),volpath2.Data()));
2068 if(!gGeoManager->SetAlignableEntry(symname3.Data(),volpath3.Data()))
2069 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname1.Data(),volpath1.Data()));
2071 if(!gGeoManager->SetAlignableEntry(symname4.Data(),volpath4.Data()))
2072 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname2.Data(),volpath2.Data()));
2077 //_____________________________________________________________________________
2078 void AliZDCv3::Init()
2081 Int_t *idtmed = fIdtmed->GetArray();
2083 // Thresholds for showering in the ZDCs
2085 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
2086 gMC->Gstpar(idtmed[i], "CUTELE", .001);
2087 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
2088 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
2090 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
2091 gMC->Gstpar(idtmed[i], "CUTELE", .001);
2092 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
2093 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
2095 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
2096 gMC->Gstpar(idtmed[i], "CUTELE", .001);
2097 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
2098 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
2100 // Avoid too detailed showering in TDI
2102 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
2103 gMC->Gstpar(idtmed[i], "CUTELE", .1);
2104 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
2105 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
2107 // Avoid too detailed showering along the beam line
2108 i = 7; //iron with energy loss (ZIRON)
2109 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
2110 gMC->Gstpar(idtmed[i], "CUTELE", .1);
2111 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
2112 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
2114 // Avoid too detailed showering along the beam line
2115 i = 8; //iron with energy loss (ZIRONN)
2116 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
2117 gMC->Gstpar(idtmed[i], "CUTELE", .1);
2118 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
2119 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
2121 // Avoid interaction in fibers (only energy loss allowed)
2122 i = 3; //fibers (ZSI02)
2123 gMC->Gstpar(idtmed[i], "DCAY", 0.);
2124 gMC->Gstpar(idtmed[i], "MULS", 0.);
2125 gMC->Gstpar(idtmed[i], "PFIS", 0.);
2126 gMC->Gstpar(idtmed[i], "MUNU", 0.);
2127 gMC->Gstpar(idtmed[i], "LOSS", 1.);
2128 gMC->Gstpar(idtmed[i], "PHOT", 0.);
2129 gMC->Gstpar(idtmed[i], "COMP", 0.);
2130 gMC->Gstpar(idtmed[i], "PAIR", 0.);
2131 gMC->Gstpar(idtmed[i], "BREM", 0.);
2132 gMC->Gstpar(idtmed[i], "DRAY", 0.);
2133 gMC->Gstpar(idtmed[i], "ANNI", 0.);
2134 gMC->Gstpar(idtmed[i], "HADR", 0.);
2135 i = 4; //fibers (ZQUAR)
2136 gMC->Gstpar(idtmed[i], "DCAY", 0.);
2137 gMC->Gstpar(idtmed[i], "MULS", 0.);
2138 gMC->Gstpar(idtmed[i], "PFIS", 0.);
2139 gMC->Gstpar(idtmed[i], "MUNU", 0.);
2140 gMC->Gstpar(idtmed[i], "LOSS", 1.);
2141 gMC->Gstpar(idtmed[i], "PHOT", 0.);
2142 gMC->Gstpar(idtmed[i], "COMP", 0.);
2143 gMC->Gstpar(idtmed[i], "PAIR", 0.);
2144 gMC->Gstpar(idtmed[i], "BREM", 0.);
2145 gMC->Gstpar(idtmed[i], "DRAY", 0.);
2146 gMC->Gstpar(idtmed[i], "ANNI", 0.);
2147 gMC->Gstpar(idtmed[i], "HADR", 0.);
2149 // Avoid interaction in void
2150 i = 11; //void with field
2151 gMC->Gstpar(idtmed[i], "DCAY", 0.);
2152 gMC->Gstpar(idtmed[i], "MULS", 0.);
2153 gMC->Gstpar(idtmed[i], "PFIS", 0.);
2154 gMC->Gstpar(idtmed[i], "MUNU", 0.);
2155 gMC->Gstpar(idtmed[i], "LOSS", 0.);
2156 gMC->Gstpar(idtmed[i], "PHOT", 0.);
2157 gMC->Gstpar(idtmed[i], "COMP", 0.);
2158 gMC->Gstpar(idtmed[i], "PAIR", 0.);
2159 gMC->Gstpar(idtmed[i], "BREM", 0.);
2160 gMC->Gstpar(idtmed[i], "DRAY", 0.);
2161 gMC->Gstpar(idtmed[i], "ANNI", 0.);
2162 gMC->Gstpar(idtmed[i], "HADR", 0.);
2165 fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material
2166 fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material
2167 fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1
2168 fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2
2169 fMedSensZEM = idtmed[5]; // Sensitive volume: ZEM passive material
2170 fMedSensTDI = idtmed[6]; // Sensitive volume: TDI Cu shield
2171 fMedSensPI = idtmed[7]; // Sensitive volume: beam pipes
2172 fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves
2175 //_____________________________________________________________________________
2176 void AliZDCv3::InitTables()
2179 // Read light tables for Cerenkov light production parameterization
2184 char *lightfName1,*lightfName2,*lightfName3,*lightfName4,
2185 *lightfName5,*lightfName6,*lightfName7,*lightfName8;
2186 FILE *fp1, *fp2, *fp3, *fp4, *fp5, *fp6, *fp7, *fp8;
2188 // --- Reading light tables for ZN
2189 lightfName1 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362207s");
2190 if((fp1 = fopen(lightfName1,"r")) == NULL){
2191 printf("Cannot open file fp1 \n");
2194 lightfName2 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362208s");
2195 if((fp2 = fopen(lightfName2,"r")) == NULL){
2196 printf("Cannot open file fp2 \n");
2199 lightfName3 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362209s");
2200 if((fp3 = fopen(lightfName3,"r")) == NULL){
2201 printf("Cannot open file fp3 \n");
2204 lightfName4 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620362210s");
2205 if((fp4 = fopen(lightfName4,"r")) == NULL){
2206 printf("Cannot open file fp4 \n");
2210 for(k=0; k<fNalfan; k++){
2211 for(j=0; j<fNben; j++){
2212 fscanf(fp1,"%f",&fTablen[0][k][j]);
2213 fscanf(fp2,"%f",&fTablen[1][k][j]);
2214 fscanf(fp3,"%f",&fTablen[2][k][j]);
2215 fscanf(fp4,"%f",&fTablen[3][k][j]);
2223 // --- Reading light tables for ZP and ZEM
2224 lightfName5 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552207s");
2225 if((fp5 = fopen(lightfName5,"r")) == NULL){
2226 printf("Cannot open file fp5 \n");
2229 lightfName6 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552208s");
2230 if((fp6 = fopen(lightfName6,"r")) == NULL){
2231 printf("Cannot open file fp6 \n");
2234 lightfName7 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552209s");
2235 if((fp7 = fopen(lightfName7,"r")) == NULL){
2236 printf("Cannot open file fp7 \n");
2239 lightfName8 = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/light22620552210s");
2240 if((fp8 = fopen(lightfName8,"r")) == NULL){
2241 printf("Cannot open file fp8 \n");
2245 for(k=0; k<fNalfap; k++){
2246 for(j=0; j<fNbep; j++){
2247 fscanf(fp5,"%f",&fTablep[0][k][j]);
2248 fscanf(fp6,"%f",&fTablep[1][k][j]);
2249 fscanf(fp7,"%f",&fTablep[2][k][j]);
2250 fscanf(fp8,"%f",&fTablep[3][k][j]);
2258 //_____________________________________________________________________________
2259 void AliZDCv3::StepManager()
2262 // Routine called at every step in the Zero Degree Calorimeters
2264 Int_t j, vol[2]={0,0}, ibeta=0, ialfa=0, ibe=0, nphe=0;
2265 Float_t hits[11], x[3], xdet[3], um[3], ud[3];
2266 Float_t m=0., ekin=0., destep=0., be=0., out=0.;
2267 // Parametrization for light guide uniformity
2268 // NEW!!! Light guide tilted @ 51 degrees
2269 Float_t guiPar[4]={0.31,-0.0006305,0.01337,0.8895};
2270 Double_t s[3], p[3];
2273 for(j=0;j<11;j++) hits[j]=-999.;
2275 // --- This part is for no shower developement in beam pipe and TDI
2276 // If particle interacts with beam pipe or TDI -> return
2277 if((gMC->CurrentMedium() == fMedSensPI) || (gMC->CurrentMedium() == fMedSensTDI)){
2278 // If option NoShower is set -> StopTrack
2281 gMC->TrackPosition(s[0],s[1],s[2]);
2282 if(gMC->CurrentMedium() == fMedSensPI){
2283 knamed = gMC->CurrentVolName();
2284 if(!strncmp(knamed,"YMQ",3)){
2285 if(s[2]<0) fpLostITC += 1;
2286 else fpLostITA += 1;
2289 else if(!strncmp(knamed,"YD1",3)){
2290 if(s[2]<0) fpLostD1C += 1;
2291 else fpLostD1A += 1;
2294 else if(!strncmp(knamed,"QAL",3)) fnTrou++;
2296 else if(gMC->CurrentMedium() == fMedSensTDI){
2297 knamed = gMC->CurrentVolName();
2298 if(!strncmp(knamed,"MD1",3)){
2299 if(s[2]<0) fpLostD1C += 1;
2300 else fpLostD1A += 1;
2303 else if(!strncmp(knamed,"QTD",3)) fpLostTDI += 1;
2304 else if(!strncmp(knamed,"QLU",3)){
2305 if(s[2]<0) fnLumiC ++;
2311 //gMC->TrackMomentum(p[0], p[1], p[2], p[3]);
2312 //printf("\t Particle: mass = %1.3f, E = %1.3f GeV, pz = %1.2f GeV -> stopped in volume %s\n",
2313 // gMC->TrackMass(), p[3], p[2], gMC->CurrentVolName());
2316 printf("\n\t **********************************\n");
2317 printf("\t ********** Side C **********\n");
2318 printf("\t # of spectators in IT = %d\n",fpLostITC);
2319 printf("\t # of spectators in D1 = %d\n",fpLostD1C);
2320 printf("\t # of spectators in luminometer = %d\n",fnLumiC);
2321 printf("\t ********** Side A **********\n");
2322 printf("\t # of spectators in IT = %d\n",fpLostITA);
2323 printf("\t # of spectators in D1 = %d\n",fpLostD1A);
2324 printf("\t # of spectators in TDI = %d\n",fpLostTDI);
2325 printf("\t # of spectators in luminometer = %d\n",fnLumiA);
2326 printf("\t # of spectators in trousers = %d\n",fnTrou);
2327 printf("\t **********************************\n");
2335 if((gMC->CurrentMedium() == fMedSensZN) || (gMC->CurrentMedium() == fMedSensZP) ||
2336 (gMC->CurrentMedium() == fMedSensGR) || (gMC->CurrentMedium() == fMedSensF1) ||
2337 (gMC->CurrentMedium() == fMedSensF2) || (gMC->CurrentMedium() == fMedSensZEM)){
2340 //Particle coordinates
2341 gMC->TrackPosition(s[0],s[1],s[2]);
2342 for(j=0; j<=2; j++) x[j] = s[j];
2347 // Determine in which ZDC the particle is
2348 knamed = gMC->CurrentVolName();
2349 if(!strncmp(knamed,"ZN",2)){
2350 if(x[2]<0.) vol[0]=1; // ZNC (dimuon side)
2351 else if(x[2]>0.) vol[0]=4; //ZNA
2353 else if(!strncmp(knamed,"ZP",2)){
2354 if(x[2]<0.) vol[0]=2; //ZPC (dimuon side)
2355 else if(x[2]>0.) vol[0]=5; //ZPA
2357 else if(!strncmp(knamed,"ZE",2)) vol[0]=3; //ZEM
2359 // Determine in which quadrant the particle is
2360 if(vol[0]==1){ //Quadrant in ZNC
2361 // Calculating particle coordinates inside ZNC
2362 xdet[0] = x[0]-fPosZNC[0];
2363 xdet[1] = x[1]-fPosZNC[1];
2364 // Calculating quadrant in ZN
2366 if(xdet[1]<=0.) vol[1]=1;
2369 else if(xdet[0]>0.){
2370 if(xdet[1]<=0.) vol[1]=2;
2373 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
2374 printf("\n ZDC StepManager->ERROR in ZN!!! vol[1] = %d, xdet[0] = %f,"
2375 "xdet[1] = %f\n",vol[1], xdet[0], xdet[1]);
2378 else if(vol[0]==2){ //Quadrant in ZPC
2379 // Calculating particle coordinates inside ZPC
2380 xdet[0] = x[0]-fPosZPC[0];
2381 xdet[1] = x[1]-fPosZPC[1];
2382 if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01;
2383 if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01;
2384 // Calculating tower in ZP
2385 Float_t xqZP = xdet[0]/(fDimZP[0]/2.);
2386 for(int i=1; i<=4; i++){
2387 if(xqZP>=(i-3) && xqZP<(i-2)){
2392 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
2393 printf(" ZDC StepManager->ERROR in ZP!!! vol[1] = %d, xdet[0] = %f,"
2394 "xdet[1] = %f\n",vol[1], xdet[0], xdet[1]);
2397 // Quadrant in ZEM: vol[1] = 1 -> particle in 1st ZEM (placed at x = 8.5 cm)
2398 // vol[1] = 2 -> particle in 2nd ZEM (placed at x = -8.5 cm)
2399 else if(vol[0] == 3){
2402 // Particle x-coordinate inside ZEM1
2403 xdet[0] = x[0]-fPosZEM[0];
2407 // Particle x-coordinate inside ZEM2
2408 xdet[0] = x[0]+fPosZEM[0];
2410 xdet[1] = x[1]-fPosZEM[1];
2413 else if(vol[0]==4){ //Quadrant in ZNA
2414 // Calculating particle coordinates inside ZNA
2415 xdet[0] = x[0]-fPosZNA[0];
2416 xdet[1] = x[1]-fPosZNA[1];
2417 // Calculating quadrant in ZNA
2419 if(xdet[1]<=0.) vol[1]=1;
2422 else if(xdet[0]<0.){
2423 if(xdet[1]<=0.) vol[1]=2;
2426 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
2427 printf("\n ZDC StepManager->ERROR in ZNA!!! vol[1] = %d, xdet[0] = %f,"
2428 "xdet[1] = %f\n",vol[1], xdet[0], xdet[1]);
2431 else if(vol[0]==5){ //Quadrant in ZPA
2432 // Calculating particle coordinates inside ZPA
2433 xdet[0] = x[0]-fPosZPA[0];
2434 xdet[1] = x[1]-fPosZPA[1];
2435 if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01;
2436 if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01;
2437 // Calculating tower in ZP
2438 Float_t xqZP = -xdet[0]/(fDimZP[0]/2.);
2439 for(int i=1; i<=4; i++){
2440 if(xqZP>=(i-3) && xqZP<(i-2)){
2445 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
2446 printf(" ZDC StepManager->ERROR in ZPA!!! vol[1] = %d, xdet[0] = %f,"
2447 "xdet[1] = %f\n",vol[1], xdet[0], xdet[1]);
2451 // Store impact point and kinetic energy of the ENTERING particle
2453 if(gMC->IsTrackEntering()){
2455 gMC->TrackMomentum(p[0],p[1],p[2],p[3]);
2457 // Impact point on ZDC
2465 Int_t curTrackN = gAlice->GetMCApp()->GetCurrentTrackNumber();
2466 TParticle *part = (gAlice->GetMCApp())->Particle(curTrackN);
2467 hits[10] = part->GetPdgCode();
2468 //printf("\t PDGCode = %d\n", part->GetPdgCode());
2470 AddHit(curTrackN, vol, hits);
2473 //printf("\t VolName %s -> det %d quad %d - x = %f, y = %f, z = %f\n",
2474 //knamed, vol[0], vol[1], x[0], x[1], x[2]);
2477 printf("\n # of particles in ZNC = %d\n\n",fnDetectedC);
2481 printf("\n # of particles in ZPC = %d\n\n",fpDetectedC);
2485 printf("\n # of particles in ZNA = %d\n\n",fnDetectedA);
2489 printf("\n # of particles in ZPA = %d\n\n",fpDetectedA);
2492 //printf("\t Particle: mass = %1.3f, E = %1.3f GeV, pz = %1.2f GeV -> stopped in volume %s\n",
2493 // gMC->TrackMass(), p[3], p[2], gMC->CurrentVolName());
2500 // Charged particles -> Energy loss
2501 if((destep=gMC->Edep())){
2502 if(gMC->IsTrackStop()){
2503 gMC->TrackMomentum(p[0],p[1],p[2],p[3]);
2504 m = gMC->TrackMass();
2509 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2515 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2521 // *** Light production in fibres
2522 if((gMC->CurrentMedium() == fMedSensF1) || (gMC->CurrentMedium() == fMedSensF2)){
2524 //Select charged particles
2525 if((destep=gMC->Edep())){
2527 // Particle velocity
2529 gMC->TrackMomentum(p[0],p[1],p[2],p[3]);
2530 Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]);
2531 if(p[3] > 0.00001) beta = ptot/p[3];
2533 if(beta<0.67)return;
2534 else if((beta>=0.67) && (beta<=0.75)) ibeta = 0;
2535 else if((beta>0.75) && (beta<=0.85)) ibeta = 1;
2536 else if((beta>0.85) && (beta<=0.95)) ibeta = 2;
2537 else if(beta>0.95) ibeta = 3;
2539 // Angle between particle trajectory and fibre axis
2540 // 1 -> Momentum directions
2544 gMC->Gmtod(um,ud,2);
2545 // 2 -> Angle < limit angle
2546 Double_t alfar = TMath::ACos(ud[2]);
2547 Double_t alfa = alfar*kRaddeg;
2548 if(alfa>=110.) return;
2550 ialfa = Int_t(1.+alfa/2.);
2552 // Distance between particle trajectory and fibre axis
2553 gMC->TrackPosition(s[0],s[1],s[2]);
2554 for(j=0; j<=2; j++){
2557 gMC->Gmtod(x,xdet,1);
2558 if(TMath::Abs(ud[0])>0.00001){
2559 Float_t dcoeff = ud[1]/ud[0];
2560 be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.));
2563 be = TMath::Abs(ud[0]);
2566 ibe = Int_t(be*1000.+1);
2567 //if((vol[0]==1)) radius = fFibZN[1];
2568 //else if((vol[0]==2)) radius = fFibZP[1];
2570 //Looking into the light tables
2571 Float_t charge = gMC->TrackCharge();
2573 if(vol[0]==1 || vol[0]==4) { // (1) ZN fibres
2574 if(ibe>fNben) ibe=fNben;
2575 out = charge*charge*fTablen[ibeta][ialfa][ibe];
2576 nphe = gRandom->Poisson(out);
2578 //if(ibeta==3) printf("\t %f \t %f \t %f\n",alfa, be, out);
2579 //printf("\t ibeta = %d, ialfa = %d, ibe = %d -> nphe = %d\n\n",ibeta,ialfa,ibe,nphe);
2580 if(gMC->CurrentMedium() == fMedSensF1){
2581 hits[7] = nphe; //fLightPMQ
2584 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2588 hits[8] = nphe; //fLightPMC
2590 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2593 else if(vol[0]==2 || vol[0]==5) {// (2) ZP fibres
2594 if(ibe>fNbep) ibe=fNbep;
2595 out = charge*charge*fTablep[ibeta][ialfa][ibe];
2596 nphe = gRandom->Poisson(out);
2597 if(gMC->CurrentMedium() == fMedSensF1){
2598 hits[7] = nphe; //fLightPMQ
2601 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2605 hits[8] = nphe; //fLightPMC
2607 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2610 else if((vol[0]==3)) { // (3) ZEM fibres
2611 if(ibe>fNbep) ibe=fNbep;
2612 out = charge*charge*fTablep[ibeta][ialfa][ibe];
2613 gMC->TrackPosition(s[0],s[1],s[2]);
2618 // z-coordinate from ZEM front face
2619 // NB-> fPosZEM[2]+fZEMLength = -1000.+2*10.3 = 979.69 cm
2620 Float_t z = -xalic[2]+fPosZEM[2]+2*fZEMLength-xalic[1];
2621 // z = xalic[2]-fPosZEM[2]-fZEMLength-xalic[1]*(TMath::Tan(45.*kDegrad));
2622 // printf("\n fPosZEM[2]+2*fZEMLength = %f", fPosZEM[2]+2*fZEMLength);
2623 Float_t guiEff = guiPar[0]*(guiPar[1]*z*z+guiPar[2]*z+guiPar[3]);
2625 nphe = gRandom->Poisson(out);
2626 // printf(" out*guiEff = %f nphe = %d", out, nphe);
2629 hits[8] = nphe; //fLightPMC (ZEM1)
2631 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
2634 hits[7] = nphe; //fLightPMQ (ZEM2)
2637 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);