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 **************************************************************************/
18 Revision 1.17 2001/03/16 16:18:10 coppedis
19 Correction for superposition of ZDC volumes with MUON arm one
21 Revision 1.16 2001/03/15 16:12:04 coppedis
24 Revision 1.15 2001/03/12 17:47:56 hristov
25 Changes needed on Sun with CC 5.0
27 Revision 1.14 2001/02/23 16:48:28 coppedis
28 Correct bug in ZEM hit definition
30 Revision 1.13 2001/02/07 18:07:41 coppedis
33 Revision 1.12 2001/01/26 19:56:27 hristov
34 Major upgrade of AliRoot code
36 Revision 1.11 2001/01/16 07:43:33 hristov
37 Initialisation of ZDC hits
39 Revision 1.10 2000/12/14 15:20:02 coppedis
40 Hits2Digits method for digitization
42 Revision 1.9 2000/12/13 10:33:49 coppedis
43 Prints only if fDebug==1
45 Revision 1.8 2000/12/12 14:10:02 coppedis
46 Correction suggested by M. Masera
48 Revision 1.7 2000/11/30 17:23:47 coppedis
49 Remove first corrector dipole and introduce digitization
51 Revision 1.6 2000/11/22 11:33:10 coppedis
54 Revision 1.5 2000/10/02 21:28:20 fca
55 Removal of useless dependecies via forward declarations
57 Revision 1.3.2.1 2000/08/24 09:25:47 hristov
58 Patch by P.Hristov: Bug in ZDC geometry corrected by E.Scomparin
60 Revision 1.4 2000/08/24 09:23:59 hristov
61 Bug in ZDC geometry corrected by E.Scomparin
63 Revision 1.3 2000/07/12 06:59:16 fca
64 Fixing dimension of hits array
66 Revision 1.2 2000/07/11 11:12:34 fca
67 Some syntax corrections for non standard HP aCC
69 Revision 1.1 2000/07/10 13:58:01 fca
70 New version of ZDC from E.Scomparin & C.Oppedisano
72 Revision 1.7 2000/01/19 17:17:40 fca
74 Revision 1.6 1999/09/29 09:24:35 fca
75 Introduction of the Copyright and cvs Log
79 ///////////////////////////////////////////////////////////////////////////////
81 // Zero Degree Calorimeter //
82 // This class contains the basic functions for the ZDC //
83 // Functions specific to one particular geometry are //
84 // contained in the derived classes //
86 ///////////////////////////////////////////////////////////////////////////////
88 // --- Standard libraries
100 // --- AliRoot classes
101 #include "AliZDCv1.h"
102 #include "AliZDCHit.h"
103 #include "AliZDCDigit.h"
105 #include "AliDetector.h"
108 #include "AliCallf77.h"
109 #include "AliConst.h"
111 #include "TLorentzVector.h"
117 ///////////////////////////////////////////////////////////////////////////////
119 // Zero Degree Calorimeter version 1 //
121 ///////////////////////////////////////////////////////////////////////////////
123 //_____________________________________________________________________________
124 AliZDCv1::AliZDCv1() : AliZDC()
127 // Default constructor for Zero Degree Calorimeter
140 //_____________________________________________________________________________
141 AliZDCv1::AliZDCv1(const char *name, const char *title)
145 // Standard constructor for Zero Degree Calorimeter
148 // Check that DIPO, ABSO, DIPO and SHIL is there (otherwise tracking is wrong!!!)
150 AliModule* PIPE=gAlice->GetModule("PIPE");
151 AliModule* ABSO=gAlice->GetModule("ABSO");
152 AliModule* DIPO=gAlice->GetModule("DIPO");
153 AliModule* SHIL=gAlice->GetModule("SHIL");
154 if((!PIPE) || (!ABSO) || (!DIPO) || (!SHIL)) {
155 Error("Constructor","ZDC needs PIPE, ABSO, DIPO and SHIL!!!\n");
169 // Parameters for light tables
170 fNalfan = 90; // Number of Alfa (neutrons)
171 fNalfap = 90; // Number of Alfa (protons)
172 fNben = 18; // Number of beta (neutrons)
173 fNbep = 28; // Number of beta (protons)
175 for(ip=0; ip<4; ip++){
176 for(kp=0; kp<fNalfap; kp++){
177 for(jp=0; jp<fNbep; jp++){
178 fTablep[ip][kp][jp] = 0;
183 for(in=0; in<4; in++){
184 for(kn=0; kn<fNalfan; kn++){
185 for(jn=0; jn<fNben; jn++){
186 fTablen[in][kn][jn] = 0;
191 // Parameters for hadronic calorimeters geometry
208 // Parameters for EM calorimeter geometry
214 fDigits = new TClonesArray("AliZDCDigit",1000);
217 //_____________________________________________________________________________
218 void AliZDCv1::CreateGeometry()
221 // Create the geometry for the Zero Degree Calorimeter version 1
222 //* Initialize COMMON block ZDC_CGEOM
229 //_____________________________________________________________________________
230 void AliZDCv1::CreateBeamLine()
233 Float_t zq, zd1, zd2;
234 Float_t conpar[9], tubpar[3], tubspar[5], boxpar[3];
237 Int_t *idtmed = fIdtmed->GetArray();
239 // -- Mother of the ZDCs (Vacuum PCON)
250 gMC->Gsvolu("ZDC ", "PCON", idtmed[11], conpar, 9);
251 gMC->Gspos("ZDC ", 1, "ALIC", 0., 0., 0., 0, "ONLY");
253 // -- FIRST SECTION OF THE BEAM PIPE (from compensator dipole to
254 // the beginning of D1)
260 tubpar[2] = 3838.3/2.;
261 gMC->Gsvolu("QT01", "TUBE", idtmed[7], tubpar, 3);
262 gMC->Gspos("QT01", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
264 //-- SECOND SECTION OF THE BEAM PIPE (from the end of D1 to the
267 //-- FROM MAGNETIC BEGINNING OF D1 TO MAGNETIC END OF D1 + 13.5 cm
268 //-- Cylindrical pipe (r = 3.47) + conical flare
270 // -> Beginning of D1
274 tubpar[1] = 3.47+0.2;
275 tubpar[2] = 958.5/2.;
276 gMC->Gsvolu("QT02", "TUBE", idtmed[7], tubpar, 3);
277 gMC->Gspos("QT02", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
286 gMC->Gsvolu("QC01", "CONE", idtmed[7], conpar, 5);
287 gMC->Gspos("QC01", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
294 gMC->Gsvolu("QT03", "TUBE", idtmed[7], tubpar, 3);
295 gMC->Gspos("QT03", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
302 gMC->Gsvolu("QT04", "TUBE", idtmed[7], tubpar, 3);
303 gMC->Gspos("QT04", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
305 zd1 += tubpar[2] * 2.;
310 gMC->Gsvolu("QT05", "TUBE", idtmed[7], tubpar, 3);
311 gMC->Gspos("QT05", 1, "ZDC ", 0., 0., tubpar[0] + zd1, 0, "ONLY");
313 zd1 += tubpar[2] * 2.;
318 gMC->Gsvolu("QT06", "TUBE", idtmed[7], tubpar, 3);
319 gMC->Gspos("QT06", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
321 zd1 += tubpar[2] * 2.;
328 gMC->Gsvolu("QC02", "CONE", idtmed[7], conpar, 5);
329 gMC->Gspos("QC02", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
331 zd1 += conpar[0] * 2.;
336 gMC->Gsvolu("QT07", "TUBE", idtmed[7], tubpar, 3);
337 gMC->Gspos("QT07", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
339 zd1 += tubpar[2] * 2.;
346 gMC->Gsvolu("QC03", "CONE", idtmed[7], conpar, 5);
347 gMC->Gspos("QC03", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
349 zd1 += conpar[0] * 2.;
353 tubpar[2] = 205.8/2.;
354 gMC->Gsvolu("QT08", "TUBE", idtmed[7], tubpar, 3);
355 gMC->Gspos("QT08", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
357 zd1 += tubpar[2] * 2.;
361 // QT09 is 10 cm longer to accomodate TDI
362 tubpar[2] = 515.4/2.;
363 gMC->Gsvolu("QT09", "TUBE", idtmed[7], tubpar, 3);
364 gMC->Gspos("QT09", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
366 // --- Insert TDI (inside ZDC volume)
371 gMC->Gsvolu("QTD1", "BOX ", idtmed[7], boxpar, 3);
372 gMC->Gspos("QTD1", 1, "ZDC ", 0., 10.6, tubpar[2] + zd1 + 56.3, 0, "ONLY");
373 gMC->Gspos("QTD1", 2, "ZDC ", 0., -10.6, tubpar[2] + zd1 + 56.3, 0, "ONLY");
378 gMC->Gsvolu("QTD2", "BOX ", idtmed[6], boxpar, 3);
379 gMC->Gspos("QTD2", 1, "ZDC ", 5.6+boxpar[0], 0., tubpar[2] + zd1 + 56.3, 0, "ONLY");
383 tubspar[2] = 400./2.;
384 tubspar[3] = 180.-62.5;
385 tubspar[4] = 180.+62.5;
386 gMC->Gsvolu("QTD3", "TUBS", idtmed[6], tubspar, 5);
387 gMC->Gspos("QTD3", 1, "ZDC ", -3., 0., tubpar[2] + zd1 + 56.3, 0, "ONLY");
389 zd1 += tubpar[2] * 2.;
393 // QT10 is 10 cm shorter
395 gMC->Gsvolu("QT10", "TUBE", idtmed[7], tubpar, 3);
396 gMC->Gspos("QT10", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
398 zd1 += tubpar[2] * 2.;
402 tubpar[2] = 778.5/2.;
403 gMC->Gsvolu("QT11", "TUBE", idtmed[7], tubpar, 3);
404 gMC->Gspos("QT11", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
406 zd1 += tubpar[2] * 2.;
408 conpar[0] = 14.18/2.;
413 gMC->Gsvolu("QC04", "CONE", idtmed[7], conpar, 5);
414 gMC->Gspos("QC04", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
416 zd1 += conpar[0] * 2.;
421 gMC->Gsvolu("QT12", "TUBE", idtmed[7], tubpar, 3);
422 gMC->Gspos("QT12", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
424 zd1 += tubpar[2] * 2.;
426 conpar[0] = 36.86/2.;
431 gMC->Gsvolu("QC05", "CONE", idtmed[7], conpar, 5);
432 gMC->Gspos("QC05", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
434 zd1 += conpar[0] * 2.;
438 tubpar[2] = 927.3/2.;
439 gMC->Gsvolu("QT13", "TUBE", idtmed[7], tubpar, 3);
440 gMC->Gspos("QT13", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
442 zd1 += tubpar[2] * 2.;
447 gMC->Gsvolu("QT14", "TUBE", idtmed[8], tubpar, 3);
448 gMC->Gspos("QT14", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
450 zd1 += tubpar[2] * 2.;
455 gMC->Gsvolu("QT15", "TUBE", idtmed[11], tubpar, 3);
457 //-- Position QT15 inside QT14
458 gMC->Gspos("QT15", 1, "QT14", -7.7, 0., 0., 0, "ONLY");
463 gMC->Gsvolu("QT16", "TUBE", idtmed[11], tubpar, 3);
465 //-- Position QT16 inside QT14
466 gMC->Gspos("QT16", 1, "QT14", 7.7, 0., 0., 0, "ONLY");
469 //-- BEAM PIPE BETWEEN END OF CONICAL PIPE AND BEGINNING OF D2
473 tubpar[2] = 680.8/2.;
474 gMC->Gsvolu("QT17", "TUBE", idtmed[7], tubpar, 3);
478 tubpar[2] = 680.8/2.;
479 gMC->Gsvolu("QT18", "TUBE", idtmed[7], tubpar, 3);
483 Float_t angle = 0.143*kDegrad;
485 AliMatrix(im1, 90.-0.143, 0., 90., 90., 0.143, 180.);
486 gMC->Gspos("QT17", 1, "ZDC ", TMath::Sin(angle) * 680.8/ 2. - 9.4,
487 0., tubpar[2] + zd1, im1, "ONLY");
489 AliMatrix(im2, 90.+0.143, 0., 90., 90., 0.143, 0.);
490 gMC->Gspos("QT18", 1, "ZDC ", 9.7 - TMath::Sin(angle) * 680.8 / 2.,
491 0., tubpar[2] + zd1, im2, "ONLY");
494 // -- END OF BEAM PIPE VOLUME DEFINITION.
495 // ----------------------------------------------------------------
497 // -- MAGNET DEFINITION -> LHC OPTICS 6.2 (preliminary version)
499 // ----------------------------------------------------------------
500 // Replaced by the muon dipole
501 // ----------------------------------------------------------------
502 // -- COMPENSATOR DIPOLE (MBXW)
503 // GAP (VACUUM WITH MAGNETIC FIELD)
507 // tubpar[2] = 340./2.;
508 // gMC->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3);
509 // gMC->Gspos("MBXW", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY");
511 // -- YOKE (IRON WITHOUT MAGNETIC FIELD)
515 // tubpar[2] = 340./2.;
516 // gMC->Gsvolu("YMBX", "TUBE", idtmed[7], tubpar, 3);
517 // gMC->Gspos("YMBX", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY");
519 // ----------------------------------------------------------------
520 // Replaced by the second dipole
521 // ----------------------------------------------------------------
522 // -- COMPENSATOR DIPOLE (MCBWA)
523 // GAP (VACUUM WITH MAGNETIC FIELD)
527 // tubpar[2] = 170./2.;
528 // gMC->Gsvolu("MCBW", "TUBE", idtmed[11], tubpar, 3);
529 // gMC->Gspos("MCBW", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY");
531 // -- YOKE (IRON WITHOUT MAGNETIC FIELD)
535 // tubpar[2] = 170./2.;
536 // gMC->Gsvolu("YMCB", "TUBE", idtmed[7], tubpar, 3);
537 // gMC->Gspos("YMCB", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY");
543 // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT
546 // -- GAP (VACUUM WITH MAGNETIC FIELD)
551 gMC->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3);
558 gMC->Gsvolu("YMQL", "TUBE", idtmed[7], tubpar, 3);
560 gMC->Gspos("MQXL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
561 gMC->Gspos("YMQL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
563 gMC->Gspos("MQXL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY");
564 gMC->Gspos("YMQL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY");
567 // -- GAP (VACUUM WITH MAGNETIC FIELD)
572 gMC->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3);
579 gMC->Gsvolu("YMQ ", "TUBE", idtmed[7], tubpar, 3);
581 gMC->Gspos("MQX ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 883.5, 0, "ONLY");
582 gMC->Gspos("YMQ ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 883.5, 0, "ONLY");
584 gMC->Gspos("MQX ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1533.5, 0, "ONLY");
585 gMC->Gspos("YMQ ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1533.5, 0, "ONLY");
587 // -- SEPARATOR DIPOLE D1
591 // -- GAP (VACUUM WITH MAGNETIC FIELD)
596 gMC->Gsvolu("MD1 ", "TUBE", idtmed[11], tubpar, 3);
598 // -- Insert horizontal Cu plates inside D1
599 // -- (to simulate the vacuum chamber)
601 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.98+0.2)*(2.98+0.2));
604 gMC->Gsvolu("MD1V", "BOX ", idtmed[6], boxpar, 3);
605 gMC->Gspos("MD1V", 1, "MD1 ", 0., 2.98+boxpar[1], 0., 0, "ONLY");
606 gMC->Gspos("MD1V", 2, "MD1 ", 0., -2.98-boxpar[1], 0., 0, "ONLY");
613 gMC->Gsvolu("YD1 ", "TUBE", idtmed[7], tubpar, 3);
615 gMC->Gspos("YD1 ", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
616 gMC->Gspos("MD1 ", 1, "YD1 ", 0., 0., 0., 0, "ONLY");
622 // -- GAP (VACUUM WITH MAGNETIC FIELD)
627 gMC->Gsvolu("MD2 ", "TUBE", idtmed[11], tubpar, 3);
634 gMC->Gsvolu("YD2 ", "TUBE", idtmed[7], tubpar, 3);
636 gMC->Gspos("YD2 ", 1, "ZDC ", 0., 0., tubpar[2] + zd2, 0, "ONLY");
638 gMC->Gspos("MD2 ", 1, "YD2 ", -9.4, 0., 0., 0, "ONLY");
639 gMC->Gspos("MD2 ", 2, "YD2 ", 9.4, 0., 0., 0, "ONLY");
641 // -- END OF MAGNET DEFINITION
644 //_____________________________________________________________________________
645 void AliZDCv1::CreateZDC()
648 Float_t DimPb[6], DimVoid[6];
650 Int_t *idtmed = fIdtmed->GetArray();
652 // Parameters for hadronic calorimeters geometry
653 // NB -> parameters used ONLY in CreateZDC()
654 Float_t fDimZN[3] = {3.52, 3.52, 50.}; // Dimensions of neutron detector
655 Float_t fGrvZN[3] = {0.03, 0.03, 50.}; // Grooves for neutron detector
656 Float_t fGrvZP[3] = {0.04, 0.04, 75.}; // Grooves for proton detector
657 Int_t fDivZN[3] = {11, 11, 0}; // Division for neutron detector
658 Int_t fDivZP[3] = {7, 15, 0}; // Division for proton detector
659 Int_t fTowZN[2] = {2, 2}; // Tower for neutron detector
660 Int_t fTowZP[2] = {4, 1}; // Tower for proton detector
662 // Parameters for EM calorimeter geometry
663 // NB -> parameters used ONLY in CreateZDC()
664 Float_t fDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
665 Float_t fDimZEMAir = 0.001; // scotch
666 Float_t fFibRadZEM = 0.0315; // External fiber radius (including cladding)
667 Int_t fDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
668 Float_t fDimZEM0 = 2*fDivZEM[2]*(fDimZEMPb+fDimZEMAir+fFibRadZEM*(TMath::Sqrt(2.)));
669 Float_t fDimZEM[6] = {fDimZEM0, 3.5, 3.5, 45., 0., 0.}; // Dimensions of EM detector
670 Float_t fFibZEM2 = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-fFibRadZEM;
671 Float_t fFibZEM[3] = {0., 0.0275, fFibZEM2}; // Fibers for EM calorimeter
674 //-- Create calorimeters geometry
676 // -------------------------------------------------------------------------------
677 //--> Neutron calorimeter (ZN)
679 gMC->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material
680 gMC->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material
681 gMC->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3);
682 gMC->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3);
683 gMC->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3);
684 gMC->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves
685 gMC->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3);
686 gMC->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3);
687 gMC->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3);
689 // Divide ZNEU in towers (for hits purposes)
691 gMC->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower
692 gMC->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower
694 //-- Divide ZN1 in minitowers
695 // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS,
696 // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS
697 // (4 fibres per minitower)
699 gMC->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices
700 gMC->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks
702 // --- Position the empty grooves in the sticks (4 grooves per stick)
703 Float_t dx = fDimZN[0] / fDivZN[0] / 4.;
704 Float_t dy = fDimZN[1] / fDivZN[1] / 4.;
706 gMC->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY");
707 gMC->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY");
708 gMC->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY");
709 gMC->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY");
711 // --- Position the fibers in the grooves
712 gMC->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY");
713 gMC->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY");
714 gMC->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY");
715 gMC->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY");
717 // --- Position the neutron calorimeter in ZDC
718 gMC->Gspos("ZNEU", 1, "ZDC ", fPosZN[0], fPosZN[1], fPosZN[2] + fDimZN[2], 0, "ONLY");
721 // -------------------------------------------------------------------------------
722 //--> Proton calorimeter (ZP)
724 gMC->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material
725 gMC->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material
726 gMC->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3);
727 gMC->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3);
728 gMC->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3);
729 gMC->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves
730 gMC->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3);
731 gMC->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3);
732 gMC->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3);
734 //-- Divide ZPRO in towers(for hits purposes)
736 gMC->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower
737 gMC->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower
740 //-- Divide ZP1 in minitowers
741 // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER,
742 // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER
743 // (4 fiber per minitower)
745 gMC->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices
746 gMC->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks
748 // --- Position the empty grooves in the sticks (4 grooves per stick)
749 dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.;
750 dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.;
752 gMC->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY");
753 gMC->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY");
754 gMC->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY");
755 gMC->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY");
757 // --- Position the fibers in the grooves
758 gMC->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY");
759 gMC->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY");
760 gMC->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY");
761 gMC->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY");
764 // --- Position the proton calorimeter in ZDC
765 gMC->Gspos("ZPRO", 1, "ZDC ", fPosZP[0], fPosZP[1], fPosZP[2] + fDimZP[2], 0, "ONLY");
768 // -------------------------------------------------------------------------------
769 // -> EM calorimeter (ZEM)
771 gMC->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6);
775 gMC->Matrix(irot1,0.,0.,90.,90.,90.,180.); // Rotation matrix 1
776 gMC->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]); // Rotation matrix 2
777 // printf("irot1 = %d, irot2 = %d \n", irot1, irot2);
779 gMC->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material
781 gMC->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches
783 DimPb[0] = fDimZEMPb; // Lead slices
784 DimPb[1] = fDimZEM[2];
785 DimPb[2] = fDimZEM[1];
786 DimPb[3] = 90.-fDimZEM[3];
789 gMC->Gsvolu("ZEL0", "PARA", idtmed[5], DimPb, 6);
790 gMC->Gsvolu("ZEL1", "PARA", idtmed[5], DimPb, 6);
791 gMC->Gsvolu("ZEL2", "PARA", idtmed[5], DimPb, 6);
793 // --- Position the lead slices in the tranche
794 Float_t zTran = fDimZEM[0]/fDivZEM[2];
795 Float_t zTrPb = -zTran+fDimZEMPb;
796 gMC->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY");
797 gMC->Gspos("ZEL1", 1, "ZETR", fDimZEMPb, 0., 0., 0, "ONLY");
799 // --- Vacuum zone (to be filled with fibres)
800 DimVoid[0] = (zTran-2*fDimZEMPb)/2.;
801 DimVoid[1] = fDimZEM[2];
802 DimVoid[2] = fDimZEM[1];
803 DimVoid[3] = 90.-fDimZEM[3];
806 gMC->Gsvolu("ZEV0", "PARA", idtmed[10], DimVoid,6);
807 gMC->Gsvolu("ZEV1", "PARA", idtmed[10], DimVoid,6);
809 // --- Divide the vacuum slice into sticks along x axis
810 gMC->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3);
811 gMC->Gsdvn("ZES1", "ZEV1", fDivZEM[0], 3);
813 // --- Positioning the fibers into the sticks
814 gMC->Gspos("ZEMF", 1,"ZES0", 0., 0., 0., irot2, "ONLY");
815 gMC->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY");
817 // --- Positioning the vacuum slice into the tranche
818 Float_t DisplFib = fDimZEM[1]/fDivZEM[0];
819 gMC->Gspos("ZEV0", 1,"ZETR", -DimVoid[0], 0., 0., 0, "ONLY");
820 gMC->Gspos("ZEV1", 1,"ZETR", -DimVoid[0]+zTran, 0., DisplFib, 0, "ONLY");
822 // --- Positioning the ZEM into the ZDC - rotation for 90 degrees
823 gMC->Gspos("ZEM ", 1,"ZDC ", fPosZEM[0], fPosZEM[1], fPosZEM[2], irot1, "ONLY");
825 // --- Adding last slice at the end of the EM calorimeter
826 Float_t zLastSlice = fPosZEM[2]+fDimZEMPb+fDimZEM[0];
827 gMC->Gspos("ZEL2", 1,"ZDC ", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY");
831 //_____________________________________________________________________________
832 void AliZDCv1::DrawModule()
835 // Draw a shaded view of the Zero Degree Calorimeter version 1
838 // Set everything unseen
839 gMC->Gsatt("*", "seen", -1);
841 // Set ALIC mother transparent
842 gMC->Gsatt("ALIC","SEEN",0);
844 // Set the volumes visible
845 gMC->Gsatt("ZDC ","SEEN",0);
846 gMC->Gsatt("QT01","SEEN",1);
847 gMC->Gsatt("QT02","SEEN",1);
848 gMC->Gsatt("QT03","SEEN",1);
849 gMC->Gsatt("QT04","SEEN",1);
850 gMC->Gsatt("QT05","SEEN",1);
851 gMC->Gsatt("QT06","SEEN",1);
852 gMC->Gsatt("QT07","SEEN",1);
853 gMC->Gsatt("QT08","SEEN",1);
854 gMC->Gsatt("QT09","SEEN",1);
855 gMC->Gsatt("QT10","SEEN",1);
856 gMC->Gsatt("QT11","SEEN",1);
857 gMC->Gsatt("QT12","SEEN",1);
858 gMC->Gsatt("QT13","SEEN",1);
859 gMC->Gsatt("QT14","SEEN",1);
860 gMC->Gsatt("QT15","SEEN",1);
861 gMC->Gsatt("QT16","SEEN",1);
862 gMC->Gsatt("QT17","SEEN",1);
863 gMC->Gsatt("QT18","SEEN",1);
864 gMC->Gsatt("QC01","SEEN",1);
865 gMC->Gsatt("QC02","SEEN",1);
866 gMC->Gsatt("QC03","SEEN",1);
867 gMC->Gsatt("QC04","SEEN",1);
868 gMC->Gsatt("QC05","SEEN",1);
869 gMC->Gsatt("QTD1","SEEN",1);
870 gMC->Gsatt("QTD2","SEEN",1);
871 gMC->Gsatt("QTD3","SEEN",1);
872 gMC->Gsatt("MQXL","SEEN",1);
873 gMC->Gsatt("YMQL","SEEN",1);
874 gMC->Gsatt("MQX ","SEEN",1);
875 gMC->Gsatt("YMQ ","SEEN",1);
876 gMC->Gsatt("ZQYX","SEEN",1);
877 gMC->Gsatt("MD1 ","SEEN",1);
878 gMC->Gsatt("MD1V","SEEN",1);
879 gMC->Gsatt("YD1 ","SEEN",1);
880 gMC->Gsatt("MD2 ","SEEN",1);
881 gMC->Gsatt("YD2 ","SEEN",1);
882 gMC->Gsatt("ZNEU","SEEN",0);
883 gMC->Gsatt("ZNF1","SEEN",0);
884 gMC->Gsatt("ZNF2","SEEN",0);
885 gMC->Gsatt("ZNF3","SEEN",0);
886 gMC->Gsatt("ZNF4","SEEN",0);
887 gMC->Gsatt("ZNG1","SEEN",0);
888 gMC->Gsatt("ZNG2","SEEN",0);
889 gMC->Gsatt("ZNG3","SEEN",0);
890 gMC->Gsatt("ZNG4","SEEN",0);
891 gMC->Gsatt("ZNTX","SEEN",0);
892 gMC->Gsatt("ZN1 ","COLO",4);
893 gMC->Gsatt("ZN1 ","SEEN",1);
894 gMC->Gsatt("ZNSL","SEEN",0);
895 gMC->Gsatt("ZNST","SEEN",0);
896 gMC->Gsatt("ZPRO","SEEN",0);
897 gMC->Gsatt("ZPF1","SEEN",0);
898 gMC->Gsatt("ZPF2","SEEN",0);
899 gMC->Gsatt("ZPF3","SEEN",0);
900 gMC->Gsatt("ZPF4","SEEN",0);
901 gMC->Gsatt("ZPG1","SEEN",0);
902 gMC->Gsatt("ZPG2","SEEN",0);
903 gMC->Gsatt("ZPG3","SEEN",0);
904 gMC->Gsatt("ZPG4","SEEN",0);
905 gMC->Gsatt("ZPTX","SEEN",0);
906 gMC->Gsatt("ZP1 ","COLO",6);
907 gMC->Gsatt("ZP1 ","SEEN",1);
908 gMC->Gsatt("ZPSL","SEEN",0);
909 gMC->Gsatt("ZPST","SEEN",0);
910 gMC->Gsatt("ZEM ","COLO",7);
911 gMC->Gsatt("ZEM ","SEEN",1);
912 gMC->Gsatt("ZEMF","SEEN",0);
913 gMC->Gsatt("ZETR","SEEN",0);
914 gMC->Gsatt("ZEL0","SEEN",0);
915 gMC->Gsatt("ZEL1","SEEN",0);
916 gMC->Gsatt("ZEL2","SEEN",0);
917 gMC->Gsatt("ZEV0","SEEN",0);
918 gMC->Gsatt("ZEV1","SEEN",0);
919 gMC->Gsatt("ZES0","SEEN",0);
920 gMC->Gsatt("ZES1","SEEN",0);
923 gMC->Gdopt("hide", "on");
924 gMC->Gdopt("shad", "on");
925 gMC->Gsatt("*", "fill", 7);
926 gMC->SetClipBox(".");
927 gMC->SetClipBox("*", 0, 100, -100, 100, 12000, 16000);
929 gMC->Gdraw("alic", 40, 30, 0, 488, 220, .07, .07);
930 gMC->Gdhead(1111, "Zero Degree Calorimeter Version 1");
931 gMC->Gdman(18, 4, "MAN");
934 //_____________________________________________________________________________
935 void AliZDCv1::CreateMaterials()
938 // Create Materials for the Zero Degree Calorimeter
941 Int_t *idtmed = fIdtmed->GetArray();
943 Float_t dens, ubuf[1], wmat[2], a[2], z[2], deemax = -1;
946 // --- Store in UBUF r0 for nuclear radius calculation R=r0*A**1/3
948 // --- Tantalum -> ZN passive material
950 AliMaterial(1, "TANT", 180.95, 73., 16.65, .4, 11.9, ubuf, 1);
954 // AliMaterial(1, "TUNG", 183.85, 74., 19.3, .35, 10.3, ubuf, 1);
956 // --- Brass (CuZn) -> ZP passive material
964 AliMixture(2, "BRASS ", a, z, dens, 2, wmat);
974 AliMixture(3, "SIO2 ", a, z, dens, -2, wmat);
978 AliMaterial(5, "LEAD", 207.19, 82., 11.35, .56, 18.5, ubuf, 1);
982 AliMaterial(6, "COPP", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
984 // --- Iron (energy loss taken into account)
986 AliMaterial(7, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
988 // --- Iron (no energy loss)
990 AliMaterial(8, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
992 // --- Vacuum (no magnetic field)
993 AliMaterial(10, "VOID", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
995 // --- Vacuum (with magnetic field)
996 AliMaterial(11, "VOIM", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
998 // --- Air (no magnetic field)
999 AliMaterial(12, "Air $", 14.61, 7.3, .001205, 30420., 67500., ubuf, 0);
1001 // --- Definition of tracking media:
1003 // --- Tantalum = 1 ;
1005 // --- Fibers (SiO2) = 3 ;
1006 // --- Fibers (SiO2) = 4 ;
1009 // --- Iron (with energy loss) = 7 ;
1010 // --- Iron (without energy loss) = 8 ;
1011 // --- Vacuum (no field) = 10
1012 // --- Vacuum (with field) = 11
1013 // --- Air (no field) = 12
1016 // --- Tracking media parameters
1017 Float_t epsil = .01, stmin=0.01, stemax = 1.;
1018 Int_t isxfld = gAlice->Field()->Integ();
1019 Float_t fieldm = gAlice->Field()->Max();
1020 Float_t tmaxfd=gAlice->Field()->Max();
1021 Int_t ifield = 0, isvolActive = 1, isvol = 0, inofld = 0;
1025 AliMedium(1, "ZTANT", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1026 // AliMedium(1, "ZW", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1027 AliMedium(2, "ZBRASS",2, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1028 AliMedium(3, "ZSIO2", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1029 AliMedium(4, "ZQUAR", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1030 AliMedium(5, "ZLEAD", 5, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1031 AliMedium(6, "ZCOPP", 6, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1032 AliMedium(7, "ZIRON", 7, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1033 AliMedium(8, "ZIRONN",8, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1034 AliMedium(10,"ZVOID",10, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1035 AliMedium(12,"ZAIR", 12, 0, inofld, fieldm, tmaxfd, stemax,deemax, epsil, stmin);
1039 AliMedium(11, "ZVOIM", 11, isvol, isxfld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1041 // Thresholds for showering in the ZDCs
1043 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
1044 gMC->Gstpar(idtmed[i], "CUTELE", .001);
1045 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
1046 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
1048 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
1049 gMC->Gstpar(idtmed[i], "CUTELE", .001);
1050 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
1051 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
1053 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
1054 gMC->Gstpar(idtmed[i], "CUTELE", .001);
1055 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
1056 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
1058 // Avoid too detailed showering along the beam line
1059 i = 7; //iron with energy loss (ZIRON)
1060 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
1061 gMC->Gstpar(idtmed[i], "CUTELE", .1);
1062 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
1063 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
1065 // Avoid interaction in fibers (only energy loss allowed)
1066 i = 3; //fibers (ZSI02)
1067 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1068 gMC->Gstpar(idtmed[i], "MULS", 0.);
1069 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1070 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1071 gMC->Gstpar(idtmed[i], "LOSS", 1.);
1072 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1073 gMC->Gstpar(idtmed[i], "COMP", 0.);
1074 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1075 gMC->Gstpar(idtmed[i], "BREM", 0.);
1076 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1077 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1078 gMC->Gstpar(idtmed[i], "HADR", 0.);
1079 i = 4; //fibers (ZQUAR)
1080 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1081 gMC->Gstpar(idtmed[i], "MULS", 0.);
1082 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1083 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1084 gMC->Gstpar(idtmed[i], "LOSS", 1.);
1085 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1086 gMC->Gstpar(idtmed[i], "COMP", 0.);
1087 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1088 gMC->Gstpar(idtmed[i], "BREM", 0.);
1089 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1090 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1091 gMC->Gstpar(idtmed[i], "HADR", 0.);
1093 // Avoid interaction in void
1095 // gMC->Gstpar(idtmed[i], "DCAY", 0.);
1096 // gMC->Gstpar(idtmed[i], "MULS", 0.);
1097 // gMC->Gstpar(idtmed[i], "PFIS", 0.);
1098 // gMC->Gstpar(idtmed[i], "MUNU", 0.);
1099 // gMC->Gstpar(idtmed[i], "LOSS", 0.);
1100 // gMC->Gstpar(idtmed[i], "PHOT", 0.);
1101 // gMC->Gstpar(idtmed[i], "COMP", 0.);
1102 // gMC->Gstpar(idtmed[i], "PAIR", 0.);
1103 // gMC->Gstpar(idtmed[i], "BREM", 0.);
1104 // gMC->Gstpar(idtmed[i], "DRAY", 0.);
1105 // gMC->Gstpar(idtmed[i], "ANNI", 0.);
1106 // gMC->Gstpar(idtmed[i], "HADR", 0.);
1109 fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material
1110 fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material
1111 fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1
1112 fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2
1113 fMedSensZEM = idtmed[5]; // Sensitive volume: ZEM passive material
1114 fMedSensTDI = idtmed[6]; // Sensitive volume: TDI Cu shield
1115 fMedSensPI = idtmed[7]; // Sensitive volume: beam pipes
1116 fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves
1119 //_____________________________________________________________________________
1120 void AliZDCv1::Init()
1125 //_____________________________________________________________________________
1126 void AliZDCv1::InitTables()
1130 char *lightfName1,*lightfName2,*lightfName3,*lightfName4,
1131 *lightfName5,*lightfName6,*lightfName7,*lightfName8;
1132 FILE *fp1, *fp2, *fp3, *fp4, *fp5, *fp6, *fp7, *fp8;
1134 // --- Reading light tables for ZN
1135 lightfName1 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362207s");
1136 if((fp1 = fopen(lightfName1,"r")) == NULL){
1137 printf("Cannot open file fp1 \n");
1140 lightfName2 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362208s");
1141 if((fp2 = fopen(lightfName2,"r")) == NULL){
1142 printf("Cannot open file fp2 \n");
1145 lightfName3 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362209s");
1146 if((fp3 = fopen(lightfName3,"r")) == NULL){
1147 printf("Cannot open file fp3 \n");
1150 lightfName4 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362210s");
1151 if((fp4 = fopen(lightfName4,"r")) == NULL){
1152 printf("Cannot open file fp4 \n");
1156 for(k=0; k<fNalfan; k++){
1157 for(j=0; j<fNben; j++){
1158 fscanf(fp1,"%f",&fTablen[0][k][j]);
1159 fscanf(fp2,"%f",&fTablen[1][k][j]);
1160 fscanf(fp3,"%f",&fTablen[2][k][j]);
1161 fscanf(fp4,"%f",&fTablen[3][k][j]);
1169 // --- Reading light tables for ZP and ZEM
1170 lightfName5 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552207s");
1171 if((fp5 = fopen(lightfName5,"r")) == NULL){
1172 printf("Cannot open file fp5 \n");
1175 lightfName6 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552208s");
1176 if((fp6 = fopen(lightfName6,"r")) == NULL){
1177 printf("Cannot open file fp6 \n");
1180 lightfName7 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552209s");
1181 if((fp7 = fopen(lightfName7,"r")) == NULL){
1182 printf("Cannot open file fp7 \n");
1185 lightfName8 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552210s");
1186 if((fp8 = fopen(lightfName8,"r")) == NULL){
1187 printf("Cannot open file fp8 \n");
1191 for(k=0; k<fNalfap; k++){
1192 for(j=0; j<fNbep; j++){
1193 fscanf(fp5,"%f",&fTablep[0][k][j]);
1194 fscanf(fp6,"%f",&fTablep[1][k][j]);
1195 fscanf(fp7,"%f",&fTablep[2][k][j]);
1196 fscanf(fp8,"%f",&fTablep[3][k][j]);
1205 //_____________________________________________________________________________
1206 Int_t AliZDCv1::Digitize(Int_t Det, Int_t Quad, Int_t Light)
1208 // Evaluation of the ADC channel corresponding to the light yield Light
1211 printf("\n Digitize -> Det = %d, Quad = %d, Light = %d\n", Det, Quad, Light);
1214 // Parameters for conversion of light yield in ADC channels
1215 Float_t fPMGain[3][5]; // PM gain
1216 Float_t fADCRes; // ADC conversion factor
1221 fPMGain[i][j] = 100000.;
1224 fADCRes = 0.00000064; // ADC Resolution: 250 fC/ADCch
1226 Int_t ADCch = Int_t(Light*fPMGain[Det-1][Quad]*fADCRes);
1232 //_____________________________________________________________________________
1233 void AliZDCv1::SDigits2Digits()
1235 Hits2Digits(gAlice->GetNtrack());
1238 //_____________________________________________________________________________
1239 void AliZDCv1::Hits2Digits(Int_t ntracks)
1241 AliZDCDigit *newdigit;
1244 Int_t PMCZN = 0, PMCZP = 0, PMQZN[4], PMQZP[4], PMZEM = 0;
1253 for(itrack=0; itrack<ntracks; itrack++){
1254 gAlice->ResetHits();
1255 gAlice->TreeH()->GetEvent(itrack);
1256 for(i=0; i<fHits->GetEntries(); i++){
1257 hit = (AliZDCHit*)fHits->At(i);
1258 Int_t det = hit->GetVolume(0);
1259 Int_t quad = hit->GetVolume(1);
1260 Int_t lightQ = Int_t(hit->GetLightPMQ());
1261 Int_t lightC = Int_t(hit->GetLightPMC());
1263 printf(" \n itrack = %d, fNhits = %d, det = %d, quad = %d,"
1264 "lightC = %d lightQ = %d\n", itrack, fNhits, det, quad, lightC, lightQ);
1267 PMCZN = PMCZN + lightC;
1268 PMQZN[quad-1] = PMQZN[quad-1] + lightQ;
1272 PMCZP = PMCZP + lightC;
1273 PMQZP[quad-1] = PMQZP[quad-1] + lightQ;
1277 PMZEM = PMZEM + lightC;
1284 printf("\n PMCZN = %d, PMQZN[0] = %d, PMQZN[1] = %d, PMQZN[2] = %d, PMQZN[3] = %d\n"
1285 , PMCZN, PMQZN[0], PMQZN[1], PMQZN[2], PMQZN[3]);
1286 printf("\n PMCZP = %d, PMQZP[0] = %d, PMQZP[1] = %d, PMQZP[2] = %d, PMQZP[3] = %d\n"
1287 , PMCZP, PMQZP[0], PMQZP[1], PMQZP[2], PMQZP[3]);
1288 printf("\n PMZEM = %d\n", PMZEM);
1291 // ------------------------------------ Hits2Digits
1293 newdigit = new AliZDCDigit(1, 0, Digitize(1, 0, PMCZN));
1294 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1300 newdigit = new AliZDCDigit(1, j+1, Digitize(1, j+1, PMQZN[j]));
1301 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1307 newdigit = new AliZDCDigit(2, 0, Digitize(2, 0, PMCZP));
1308 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1314 newdigit = new AliZDCDigit(2, k+1, Digitize(2, k+1, PMQZP[k]));
1315 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1321 newdigit = new AliZDCDigit(3, 0, Digitize(3, 0, PMZEM));
1322 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1327 gAlice->TreeD()->Fill();
1328 gAlice->TreeD()->Write(0,TObject::kOverwrite);
1331 // printf("\n Event Digits -----------------------------------------------------\n");
1332 // fDigits->Print("");
1336 //_____________________________________________________________________________
1337 void AliZDCv1::MakeBranch(Option_t *opt, char *file)
1340 // Create a new branch in the current Root Tree
1343 AliDetector::MakeBranch(opt);
1345 Char_t branchname[10];
1346 sprintf(branchname,"%s",GetName());
1347 const char *cD = strstr(opt,"D");
1349 if (gAlice->TreeD() && cD) {
1351 // Creation of the digits from hits
1353 if(fDigits!=0) fDigits->Clear();
1354 else fDigits = new TClonesArray ("AliZDCDigit",1000);
1355 char branchname[10];
1356 sprintf(branchname,"%s",GetName());
1357 gAlice->MakeBranchInTree(gAlice->TreeD(),
1358 branchname, &fDigits, fBufferSize, file) ;
1359 printf("* AliZDCv1::MakeBranch * Making Branch %s for digits\n\n",branchname);
1363 //_____________________________________________________________________________
1364 void AliZDCv1::StepManager()
1367 // Routine called at every step in the Zero Degree Calorimeters
1370 Int_t j, vol[2], ibeta=0, ialfa, ibe, nphe;
1371 Float_t x[3], xdet[3], destep, hits[10], m, ekin, um[3], ud[3], be, radius, out;
1372 TLorentzVector s, p;
1375 for (j=0;j<10;j++) hits[j]=0;
1377 if((gMC->GetMedium() == fMedSensZN) || (gMC->GetMedium() == fMedSensZP) ||
1378 (gMC->GetMedium() == fMedSensGR) || (gMC->GetMedium() == fMedSensF1) ||
1379 (gMC->GetMedium() == fMedSensF2) || (gMC->GetMedium() == fMedSensZEM)||
1380 (gMC->GetMedium() == fMedSensPI) || (gMC->GetMedium() == fMedSensTDI)){
1382 // If particle interacts with beam pipe -> return
1383 if((gMC->GetMedium() == fMedSensPI) || (gMC->GetMedium() == fMedSensTDI)){
1384 // If option NoShower is set -> StopTrack
1386 if(gMC->GetMedium() == fMedSensPI) {
1387 knamed = gMC->CurrentVolName();
1388 if((!strncmp(knamed,"MQ",2)) || (!strncmp(knamed,"YM",2))) fpLostIT += 1;
1389 if((!strncmp(knamed,"MD1",3))|| (!strncmp(knamed,"YD1",2))) fpLostD1 += 1;
1391 if(gMC->GetMedium() == fMedSensTDI) fpLostTDI += 1;
1393 // printf("\n # of p lost in Inner Triplet = %d\n",fpLostIT);
1394 // printf("\n # of p lost in D1 = %d\n",fpLostD1);
1395 // printf("\n # of p lost in TDI = %d\n",fpLostTDI);
1400 //Particle coordinates
1401 gMC->TrackPosition(s);
1402 for(j=0; j<=2; j++){
1409 // Determine in which ZDC the particle is
1410 knamed = gMC->CurrentVolName();
1411 if(!strncmp(knamed,"ZN",2))vol[0]=1;
1412 if(!strncmp(knamed,"ZP",2))vol[0]=2;
1413 if(!strncmp(knamed,"ZE",2))vol[0]=3;
1415 // Determine in which quadrant the particle is
1419 xdet[0] = x[0]-fPosZN[0];
1420 xdet[1] = x[1]-fPosZN[1];
1421 if((xdet[0]<=0.) && (xdet[1]>=0.)) vol[1]=1;
1422 if((xdet[0]>0.) && (xdet[1]>0.)) vol[1]=2;
1423 if((xdet[0]<0.) && (xdet[1]<0.)) vol[1]=3;
1424 if((xdet[0]>0.) && (xdet[1]<0.)) vol[1]=4;
1429 xdet[0] = x[0]-fPosZP[0];
1430 xdet[1] = x[1]-fPosZP[1];
1431 if(xdet[0]>fDimZP[0])xdet[0]=fDimZP[0]-0.01;
1432 if(xdet[0]<-fDimZP[0])xdet[0]=-fDimZP[0]+0.01;
1433 Float_t xqZP = xdet[0]/(fDimZP[0]/2);
1434 for(int i=1; i<=4; i++){
1435 if(xqZP>=(i-3) && xqZP<(i-2)){
1442 //ZEM has only 1 quadrant
1445 xdet[0] = x[0]-fPosZEM[0];
1446 xdet[1] = x[1]-fPosZEM[1];
1449 // Store impact point and kinetic energy of the ENTERING particle
1451 // if(Curtrack==Prim){
1452 if(gMC->IsTrackEntering()){
1454 gMC->TrackMomentum(p);
1456 // Impact point on ZDC
1464 // Int_t PcID = gMC->TrackPid();
1465 // printf("Pc ID -> %d\n",PcID);
1466 AddHit(gAlice->CurrentTrack(), vol, hits);
1471 // printf("\n # of detected p = %d\n",fpDetected);
1477 // Charged particles -> Energy loss
1478 if((destep=gMC->Edep())){
1479 if(gMC->IsTrackStop()){
1480 gMC->TrackMomentum(p);
1481 m = gMC->TrackMass();
1486 AddHit(gAlice->CurrentTrack(), vol, hits);
1492 AddHit(gAlice->CurrentTrack(), vol, hits);
1494 // printf(" Dep. E = %f \n",hits[9]);
1496 }// NB -> Questa parentesi (chiude il primo IF) io la sposterei al fondo!???
1499 // *** Light production in fibres
1500 if((gMC->GetMedium() == fMedSensF1) || (gMC->GetMedium() == fMedSensF2)){
1502 //Select charged particles
1503 if((destep=gMC->Edep())){
1505 // Particle velocity
1506 gMC->TrackMomentum(p);
1507 Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]);
1508 Float_t beta = ptot/p[3];
1509 if(beta<0.67) return;
1510 if((beta>=0.67) && (beta<=0.75)) ibeta = 0;
1511 if((beta>0.75) && (beta<=0.85)) ibeta = 1;
1512 if((beta>0.85) && (beta<=0.95)) ibeta = 2;
1513 if(beta>0.95) ibeta = 3;
1515 // Angle between particle trajectory and fibre axis
1516 // 1 -> Momentum directions
1520 gMC->Gmtod(um,ud,2);
1521 // 2 -> Angle < limit angle
1522 Double_t alfar = TMath::ACos(ud[2]);
1523 Double_t alfa = alfar*kRaddeg;
1524 if(alfa>=110.) return;
1525 ialfa = Int_t(1.+alfa/2.);
1527 // Distance between particle trajectory and fibre axis
1528 gMC->TrackPosition(s);
1529 for(j=0; j<=2; j++){
1532 gMC->Gmtod(x,xdet,1);
1533 if(TMath::Abs(ud[0])>0.00001){
1534 Float_t dcoeff = ud[1]/ud[0];
1535 be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.));
1538 be = TMath::Abs(ud[0]);
1541 if((vol[0]==1)) radius = fFibZN[1];
1542 if((vol[0]==2)) radius = fFibZP[1];
1543 ibe = Int_t(be*1000.+1);
1545 //Looking into the light tables
1546 Float_t charge = gMC->TrackCharge();
1550 if(ibe>fNben) ibe=fNben;
1551 out = charge*charge*fTablen[ibeta][ialfa][ibe];
1552 nphe = gRandom->Poisson(out);
1553 // printf("ZN --- ibeta = %d, ialfa = %d, ibe = %d"
1554 // " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1555 if(gMC->GetMedium() == fMedSensF1){
1556 hits[7] = nphe; //fLightPMQ
1559 AddHit(gAlice->CurrentTrack(), vol, hits);
1563 hits[8] = nphe; //fLightPMC
1565 AddHit(gAlice->CurrentTrack(), vol, hits);
1571 if(ibe>fNbep) ibe=fNbep;
1572 out = charge*charge*fTablep[ibeta][ialfa][ibe];
1573 nphe = gRandom->Poisson(out);
1574 // printf("ZP --- ibeta = %d, ialfa = %d, ibe = %d"
1575 // " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1576 if(gMC->GetMedium() == fMedSensF1){
1577 hits[7] = nphe; //fLightPMQ
1580 AddHit(gAlice->CurrentTrack(), vol, hits);
1584 hits[8] = nphe; //fLightPMC
1586 AddHit(gAlice->CurrentTrack(), vol, hits);
1591 if(ibe>fNbep) ibe=fNbep;
1592 out = charge*charge*fTablep[ibeta][ialfa][ibe];
1593 nphe = gRandom->Poisson(out);
1594 // printf("ZEM --- ibeta = %d, ialfa = %d, ibe = %d"
1595 // " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1597 hits[8] = nphe; //fLightPMC
1599 AddHit(gAlice->CurrentTrack(), vol, hits);