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 1.21 2001/05/02 11:54:34 enrico
21 Revision 1.20 2001/05/02 10:33:11 coppedis
22 Modify tmaxfd in media definition
24 Revision 1.19 2001/04/27 08:35:01 coppedis
25 Remove some lines for proton acceptance studies
27 Revision 1.18 2001/04/20 10:08:45 coppedis
28 Preliminary version of optics 6.2 - Insertion of TDI
30 Revision 1.17 2001/03/16 16:18:10 coppedis
31 Correction for superposition of ZDC volumes with MUON arm one
33 Revision 1.16 2001/03/15 16:12:04 coppedis
36 Revision 1.15 2001/03/12 17:47:56 hristov
37 Changes needed on Sun with CC 5.0
39 Revision 1.14 2001/02/23 16:48:28 coppedis
40 Correct bug in ZEM hit definition
42 Revision 1.13 2001/02/07 18:07:41 coppedis
45 Revision 1.12 2001/01/26 19:56:27 hristov
46 Major upgrade of AliRoot code
48 Revision 1.11 2001/01/16 07:43:33 hristov
49 Initialisation of ZDC hits
51 Revision 1.10 2000/12/14 15:20:02 coppedis
52 Hits2Digits method for digitization
54 Revision 1.9 2000/12/13 10:33:49 coppedis
55 Prints only if fDebug==1
57 Revision 1.8 2000/12/12 14:10:02 coppedis
58 Correction suggested by M. Masera
60 Revision 1.7 2000/11/30 17:23:47 coppedis
61 Remove first corrector dipole and introduce digitization
63 Revision 1.6 2000/11/22 11:33:10 coppedis
66 Revision 1.5 2000/10/02 21:28:20 fca
67 Removal of useless dependecies via forward declarations
69 Revision 1.3.2.1 2000/08/24 09:25:47 hristov
70 Patch by P.Hristov: Bug in ZDC geometry corrected by E.Scomparin
72 Revision 1.4 2000/08/24 09:23:59 hristov
73 Bug in ZDC geometry corrected by E.Scomparin
75 Revision 1.3 2000/07/12 06:59:16 fca
76 Fixing dimension of hits array
78 Revision 1.2 2000/07/11 11:12:34 fca
79 Some syntax corrections for non standard HP aCC
81 Revision 1.1 2000/07/10 13:58:01 fca
82 New version of ZDC from E.Scomparin & C.Oppedisano
84 Revision 1.7 2000/01/19 17:17:40 fca
86 Revision 1.6 1999/09/29 09:24:35 fca
87 Introduction of the Copyright and cvs Log
91 ///////////////////////////////////////////////////////////////////////////////
93 // Zero Degree Calorimeter //
94 // This class contains the basic functions for the ZDC //
95 // Functions specific to one particular geometry are //
96 // contained in the derived classes //
98 ///////////////////////////////////////////////////////////////////////////////
100 // --- Standard libraries
112 // --- AliRoot classes
113 #include "AliZDCv1.h"
114 #include "AliZDCHit.h"
115 #include "AliZDCDigit.h"
117 #include "AliDetector.h"
120 #include "AliCallf77.h"
121 #include "AliConst.h"
123 #include "TLorentzVector.h"
129 ///////////////////////////////////////////////////////////////////////////////
131 // Zero Degree Calorimeter version 1 //
133 ///////////////////////////////////////////////////////////////////////////////
135 //_____________________________________________________________________________
136 AliZDCv1::AliZDCv1() : AliZDC()
139 // Default constructor for Zero Degree Calorimeter
152 //_____________________________________________________________________________
153 AliZDCv1::AliZDCv1(const char *name, const char *title)
157 // Standard constructor for Zero Degree Calorimeter
160 // Check that DIPO, ABSO, DIPO and SHIL is there (otherwise tracking is wrong!!!)
162 AliModule* PIPE=gAlice->GetModule("PIPE");
163 AliModule* ABSO=gAlice->GetModule("ABSO");
164 AliModule* DIPO=gAlice->GetModule("DIPO");
165 AliModule* SHIL=gAlice->GetModule("SHIL");
166 if((!PIPE) || (!ABSO) || (!DIPO) || (!SHIL)) {
167 Error("Constructor","ZDC needs PIPE, ABSO, DIPO and SHIL!!!\n");
181 // Parameters for light tables
182 fNalfan = 90; // Number of Alfa (neutrons)
183 fNalfap = 90; // Number of Alfa (protons)
184 fNben = 18; // Number of beta (neutrons)
185 fNbep = 28; // Number of beta (protons)
187 for(ip=0; ip<4; ip++){
188 for(kp=0; kp<fNalfap; kp++){
189 for(jp=0; jp<fNbep; jp++){
190 fTablep[ip][kp][jp] = 0;
195 for(in=0; in<4; in++){
196 for(kn=0; kn<fNalfan; kn++){
197 for(jn=0; jn<fNben; jn++){
198 fTablen[in][kn][jn] = 0;
203 // Parameters for hadronic calorimeters geometry
220 // Parameters for EM calorimeter geometry
226 fDigits = new TClonesArray("AliZDCDigit",1000);
229 //_____________________________________________________________________________
230 void AliZDCv1::CreateGeometry()
233 // Create the geometry for the Zero Degree Calorimeter version 1
234 //* Initialize COMMON block ZDC_CGEOM
241 //_____________________________________________________________________________
242 void AliZDCv1::CreateBeamLine()
245 Float_t zq, zd1, zd2;
246 Float_t conpar[9], tubpar[3], tubspar[5], boxpar[3];
249 Int_t *idtmed = fIdtmed->GetArray();
251 // -- Mother of the ZDCs (Vacuum PCON)
262 gMC->Gsvolu("ZDC ", "PCON", idtmed[11], conpar, 9);
263 gMC->Gspos("ZDC ", 1, "ALIC", 0., 0., 0., 0, "ONLY");
265 // -- FIRST SECTION OF THE BEAM PIPE (from compensator dipole to
266 // the beginning of D1)
272 tubpar[2] = 3838.3/2.;
273 gMC->Gsvolu("QT01", "TUBE", idtmed[7], tubpar, 3);
274 gMC->Gspos("QT01", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
276 //-- SECOND SECTION OF THE BEAM PIPE (from the end of D1 to the
279 //-- FROM MAGNETIC BEGINNING OF D1 TO MAGNETIC END OF D1 + 13.5 cm
280 //-- Cylindrical pipe (r = 3.47) + conical flare
282 // -> Beginning of D1
286 tubpar[1] = 3.47+0.2;
287 tubpar[2] = 958.5/2.;
288 gMC->Gsvolu("QT02", "TUBE", idtmed[7], tubpar, 3);
289 gMC->Gspos("QT02", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
298 gMC->Gsvolu("QC01", "CONE", idtmed[7], conpar, 5);
299 gMC->Gspos("QC01", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
306 gMC->Gsvolu("QT03", "TUBE", idtmed[7], tubpar, 3);
307 gMC->Gspos("QT03", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
314 gMC->Gsvolu("QT04", "TUBE", idtmed[7], tubpar, 3);
315 gMC->Gspos("QT04", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
317 zd1 += tubpar[2] * 2.;
322 gMC->Gsvolu("QT05", "TUBE", idtmed[7], tubpar, 3);
323 gMC->Gspos("QT05", 1, "ZDC ", 0., 0., tubpar[0] + zd1, 0, "ONLY");
325 zd1 += tubpar[2] * 2.;
330 gMC->Gsvolu("QT06", "TUBE", idtmed[7], tubpar, 3);
331 gMC->Gspos("QT06", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
333 zd1 += tubpar[2] * 2.;
340 gMC->Gsvolu("QC02", "CONE", idtmed[7], conpar, 5);
341 gMC->Gspos("QC02", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
343 zd1 += conpar[0] * 2.;
348 gMC->Gsvolu("QT07", "TUBE", idtmed[7], tubpar, 3);
349 gMC->Gspos("QT07", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
351 zd1 += tubpar[2] * 2.;
358 gMC->Gsvolu("QC03", "CONE", idtmed[7], conpar, 5);
359 gMC->Gspos("QC03", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
361 zd1 += conpar[0] * 2.;
365 tubpar[2] = 205.8/2.;
366 gMC->Gsvolu("QT08", "TUBE", idtmed[7], tubpar, 3);
367 gMC->Gspos("QT08", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
369 zd1 += tubpar[2] * 2.;
373 // QT09 is 10 cm longer to accomodate TDI
374 tubpar[2] = 515.4/2.;
375 gMC->Gsvolu("QT09", "TUBE", idtmed[7], tubpar, 3);
376 gMC->Gspos("QT09", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
378 // --- Insert TDI (inside ZDC volume)
383 gMC->Gsvolu("QTD1", "BOX ", idtmed[7], boxpar, 3);
384 gMC->Gspos("QTD1", 1, "ZDC ", 0., 10.6, tubpar[2] + zd1 + 56.3, 0, "ONLY");
385 gMC->Gspos("QTD1", 2, "ZDC ", 0., -10.6, tubpar[2] + zd1 + 56.3, 0, "ONLY");
390 gMC->Gsvolu("QTD2", "BOX ", idtmed[6], boxpar, 3);
391 gMC->Gspos("QTD2", 1, "ZDC ", 5.6+boxpar[0], 0., tubpar[2] + zd1 + 56.3, 0, "ONLY");
395 tubspar[2] = 400./2.;
396 tubspar[3] = 180.-62.5;
397 tubspar[4] = 180.+62.5;
398 gMC->Gsvolu("QTD3", "TUBS", idtmed[6], tubspar, 5);
399 gMC->Gspos("QTD3", 1, "ZDC ", -3., 0., tubpar[2] + zd1 + 56.3, 0, "ONLY");
401 zd1 += tubpar[2] * 2.;
405 // QT10 is 10 cm shorter
407 gMC->Gsvolu("QT10", "TUBE", idtmed[7], tubpar, 3);
408 gMC->Gspos("QT10", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
410 zd1 += tubpar[2] * 2.;
414 tubpar[2] = 778.5/2.;
415 gMC->Gsvolu("QT11", "TUBE", idtmed[7], tubpar, 3);
416 gMC->Gspos("QT11", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
418 zd1 += tubpar[2] * 2.;
420 conpar[0] = 14.18/2.;
425 gMC->Gsvolu("QC04", "CONE", idtmed[7], conpar, 5);
426 gMC->Gspos("QC04", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
428 zd1 += conpar[0] * 2.;
433 gMC->Gsvolu("QT12", "TUBE", idtmed[7], tubpar, 3);
434 gMC->Gspos("QT12", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
436 zd1 += tubpar[2] * 2.;
438 conpar[0] = 36.86/2.;
443 gMC->Gsvolu("QC05", "CONE", idtmed[7], conpar, 5);
444 gMC->Gspos("QC05", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
446 zd1 += conpar[0] * 2.;
450 tubpar[2] = 927.3/2.;
451 gMC->Gsvolu("QT13", "TUBE", idtmed[7], tubpar, 3);
452 gMC->Gspos("QT13", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
454 zd1 += tubpar[2] * 2.;
459 gMC->Gsvolu("QT14", "TUBE", idtmed[8], tubpar, 3);
460 gMC->Gspos("QT14", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
462 zd1 += tubpar[2] * 2.;
467 gMC->Gsvolu("QT15", "TUBE", idtmed[11], tubpar, 3);
469 //-- Position QT15 inside QT14
470 gMC->Gspos("QT15", 1, "QT14", -7.7, 0., 0., 0, "ONLY");
475 gMC->Gsvolu("QT16", "TUBE", idtmed[11], tubpar, 3);
477 //-- Position QT16 inside QT14
478 gMC->Gspos("QT16", 1, "QT14", 7.7, 0., 0., 0, "ONLY");
481 //-- BEAM PIPE BETWEEN END OF CONICAL PIPE AND BEGINNING OF D2
485 tubpar[2] = 680.8/2.;
486 gMC->Gsvolu("QT17", "TUBE", idtmed[7], tubpar, 3);
490 tubpar[2] = 680.8/2.;
491 gMC->Gsvolu("QT18", "TUBE", idtmed[7], tubpar, 3);
495 Float_t angle = 0.143*kDegrad;
497 AliMatrix(im1, 90.-0.143, 0., 90., 90., 0.143, 180.);
498 gMC->Gspos("QT17", 1, "ZDC ", TMath::Sin(angle) * 680.8/ 2. - 9.4,
499 0., tubpar[2] + zd1, im1, "ONLY");
501 AliMatrix(im2, 90.+0.143, 0., 90., 90., 0.143, 0.);
502 gMC->Gspos("QT18", 1, "ZDC ", 9.7 - TMath::Sin(angle) * 680.8 / 2.,
503 0., tubpar[2] + zd1, im2, "ONLY");
506 // -- END OF BEAM PIPE VOLUME DEFINITION.
507 // ----------------------------------------------------------------
509 // -- MAGNET DEFINITION -> LHC OPTICS 6.2 (preliminary version)
511 // ----------------------------------------------------------------
512 // Replaced by the muon dipole
513 // ----------------------------------------------------------------
514 // -- COMPENSATOR DIPOLE (MBXW)
515 // GAP (VACUUM WITH MAGNETIC FIELD)
519 // tubpar[2] = 340./2.;
520 // gMC->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3);
521 // gMC->Gspos("MBXW", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY");
523 // -- YOKE (IRON WITHOUT MAGNETIC FIELD)
527 // tubpar[2] = 340./2.;
528 // gMC->Gsvolu("YMBX", "TUBE", idtmed[7], tubpar, 3);
529 // gMC->Gspos("YMBX", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY");
531 // ----------------------------------------------------------------
532 // Replaced by the second dipole
533 // ----------------------------------------------------------------
534 // -- COMPENSATOR DIPOLE (MCBWA)
535 // GAP (VACUUM WITH MAGNETIC FIELD)
539 // tubpar[2] = 170./2.;
540 // gMC->Gsvolu("MCBW", "TUBE", idtmed[11], tubpar, 3);
541 // gMC->Gspos("MCBW", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY");
543 // -- YOKE (IRON WITHOUT MAGNETIC FIELD)
547 // tubpar[2] = 170./2.;
548 // gMC->Gsvolu("YMCB", "TUBE", idtmed[7], tubpar, 3);
549 // gMC->Gspos("YMCB", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY");
555 // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT
558 // -- GAP (VACUUM WITH MAGNETIC FIELD)
563 gMC->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3);
570 gMC->Gsvolu("YMQL", "TUBE", idtmed[7], tubpar, 3);
572 gMC->Gspos("MQXL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
573 gMC->Gspos("YMQL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
575 gMC->Gspos("MQXL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY");
576 gMC->Gspos("YMQL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY");
579 // -- GAP (VACUUM WITH MAGNETIC FIELD)
584 gMC->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3);
591 gMC->Gsvolu("YMQ ", "TUBE", idtmed[7], tubpar, 3);
593 gMC->Gspos("MQX ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 883.5, 0, "ONLY");
594 gMC->Gspos("YMQ ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 883.5, 0, "ONLY");
596 gMC->Gspos("MQX ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1533.5, 0, "ONLY");
597 gMC->Gspos("YMQ ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1533.5, 0, "ONLY");
599 // -- SEPARATOR DIPOLE D1
603 // -- GAP (VACUUM WITH MAGNETIC FIELD)
608 gMC->Gsvolu("MD1 ", "TUBE", idtmed[11], tubpar, 3);
610 // -- Insert horizontal Cu plates inside D1
611 // -- (to simulate the vacuum chamber)
613 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.98+0.2)*(2.98+0.2));
616 gMC->Gsvolu("MD1V", "BOX ", idtmed[6], boxpar, 3);
617 gMC->Gspos("MD1V", 1, "MD1 ", 0., 2.98+boxpar[1], 0., 0, "ONLY");
618 gMC->Gspos("MD1V", 2, "MD1 ", 0., -2.98-boxpar[1], 0., 0, "ONLY");
625 gMC->Gsvolu("YD1 ", "TUBE", idtmed[7], tubpar, 3);
627 gMC->Gspos("YD1 ", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
628 gMC->Gspos("MD1 ", 1, "YD1 ", 0., 0., 0., 0, "ONLY");
634 // -- GAP (VACUUM WITH MAGNETIC FIELD)
639 gMC->Gsvolu("MD2 ", "TUBE", idtmed[11], tubpar, 3);
646 gMC->Gsvolu("YD2 ", "TUBE", idtmed[7], tubpar, 3);
648 gMC->Gspos("YD2 ", 1, "ZDC ", 0., 0., tubpar[2] + zd2, 0, "ONLY");
650 gMC->Gspos("MD2 ", 1, "YD2 ", -9.4, 0., 0., 0, "ONLY");
651 gMC->Gspos("MD2 ", 2, "YD2 ", 9.4, 0., 0., 0, "ONLY");
653 // -- END OF MAGNET DEFINITION
656 //_____________________________________________________________________________
657 void AliZDCv1::CreateZDC()
660 Float_t DimPb[6], DimVoid[6];
662 Int_t *idtmed = fIdtmed->GetArray();
664 // Parameters for hadronic calorimeters geometry
665 // NB -> parameters used ONLY in CreateZDC()
666 Float_t fDimZN[3] = {3.52, 3.52, 50.}; // Dimensions of neutron detector
667 Float_t fGrvZN[3] = {0.03, 0.03, 50.}; // Grooves for neutron detector
668 Float_t fGrvZP[3] = {0.04, 0.04, 75.}; // Grooves for proton detector
669 Int_t fDivZN[3] = {11, 11, 0}; // Division for neutron detector
670 Int_t fDivZP[3] = {7, 15, 0}; // Division for proton detector
671 Int_t fTowZN[2] = {2, 2}; // Tower for neutron detector
672 Int_t fTowZP[2] = {4, 1}; // Tower for proton detector
674 // Parameters for EM calorimeter geometry
675 // NB -> parameters used ONLY in CreateZDC()
676 Float_t fDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
677 Float_t fDimZEMAir = 0.001; // scotch
678 Float_t fFibRadZEM = 0.0315; // External fiber radius (including cladding)
679 Int_t fDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
680 Float_t fDimZEM0 = 2*fDivZEM[2]*(fDimZEMPb+fDimZEMAir+fFibRadZEM*(TMath::Sqrt(2.)));
681 Float_t fDimZEM[6] = {fDimZEM0, 3.5, 3.5, 45., 0., 0.}; // Dimensions of EM detector
682 Float_t fFibZEM2 = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-fFibRadZEM;
683 Float_t fFibZEM[3] = {0., 0.0275, fFibZEM2}; // Fibers for EM calorimeter
686 //-- Create calorimeters geometry
688 // -------------------------------------------------------------------------------
689 //--> Neutron calorimeter (ZN)
691 gMC->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material
692 gMC->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material
693 gMC->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3);
694 gMC->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3);
695 gMC->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3);
696 gMC->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves
697 gMC->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3);
698 gMC->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3);
699 gMC->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3);
701 // Divide ZNEU in towers (for hits purposes)
703 gMC->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower
704 gMC->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower
706 //-- Divide ZN1 in minitowers
707 // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS,
708 // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS
709 // (4 fibres per minitower)
711 gMC->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices
712 gMC->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks
714 // --- Position the empty grooves in the sticks (4 grooves per stick)
715 Float_t dx = fDimZN[0] / fDivZN[0] / 4.;
716 Float_t dy = fDimZN[1] / fDivZN[1] / 4.;
718 gMC->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY");
719 gMC->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY");
720 gMC->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY");
721 gMC->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY");
723 // --- Position the fibers in the grooves
724 gMC->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY");
725 gMC->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY");
726 gMC->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY");
727 gMC->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY");
729 // --- Position the neutron calorimeter in ZDC
730 gMC->Gspos("ZNEU", 1, "ZDC ", fPosZN[0], fPosZN[1], fPosZN[2] + fDimZN[2], 0, "ONLY");
733 // -------------------------------------------------------------------------------
734 //--> Proton calorimeter (ZP)
736 gMC->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material
737 gMC->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material
738 gMC->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3);
739 gMC->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3);
740 gMC->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3);
741 gMC->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves
742 gMC->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3);
743 gMC->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3);
744 gMC->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3);
746 //-- Divide ZPRO in towers(for hits purposes)
748 gMC->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower
749 gMC->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower
752 //-- Divide ZP1 in minitowers
753 // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER,
754 // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER
755 // (4 fiber per minitower)
757 gMC->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices
758 gMC->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks
760 // --- Position the empty grooves in the sticks (4 grooves per stick)
761 dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.;
762 dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.;
764 gMC->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY");
765 gMC->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY");
766 gMC->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY");
767 gMC->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY");
769 // --- Position the fibers in the grooves
770 gMC->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY");
771 gMC->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY");
772 gMC->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY");
773 gMC->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY");
776 // --- Position the proton calorimeter in ZDC
777 gMC->Gspos("ZPRO", 1, "ZDC ", fPosZP[0], fPosZP[1], fPosZP[2] + fDimZP[2], 0, "ONLY");
780 // -------------------------------------------------------------------------------
781 // -> EM calorimeter (ZEM)
783 gMC->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6);
787 gMC->Matrix(irot1,0.,0.,90.,90.,90.,180.); // Rotation matrix 1
788 gMC->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]); // Rotation matrix 2
789 // printf("irot1 = %d, irot2 = %d \n", irot1, irot2);
791 gMC->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material
793 gMC->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches
795 DimPb[0] = fDimZEMPb; // Lead slices
796 DimPb[1] = fDimZEM[2];
797 DimPb[2] = fDimZEM[1];
798 DimPb[3] = 90.-fDimZEM[3];
801 gMC->Gsvolu("ZEL0", "PARA", idtmed[5], DimPb, 6);
802 gMC->Gsvolu("ZEL1", "PARA", idtmed[5], DimPb, 6);
803 gMC->Gsvolu("ZEL2", "PARA", idtmed[5], DimPb, 6);
805 // --- Position the lead slices in the tranche
806 Float_t zTran = fDimZEM[0]/fDivZEM[2];
807 Float_t zTrPb = -zTran+fDimZEMPb;
808 gMC->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY");
809 gMC->Gspos("ZEL1", 1, "ZETR", fDimZEMPb, 0., 0., 0, "ONLY");
811 // --- Vacuum zone (to be filled with fibres)
812 DimVoid[0] = (zTran-2*fDimZEMPb)/2.;
813 DimVoid[1] = fDimZEM[2];
814 DimVoid[2] = fDimZEM[1];
815 DimVoid[3] = 90.-fDimZEM[3];
818 gMC->Gsvolu("ZEV0", "PARA", idtmed[10], DimVoid,6);
819 gMC->Gsvolu("ZEV1", "PARA", idtmed[10], DimVoid,6);
821 // --- Divide the vacuum slice into sticks along x axis
822 gMC->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3);
823 gMC->Gsdvn("ZES1", "ZEV1", fDivZEM[0], 3);
825 // --- Positioning the fibers into the sticks
826 gMC->Gspos("ZEMF", 1,"ZES0", 0., 0., 0., irot2, "ONLY");
827 gMC->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY");
829 // --- Positioning the vacuum slice into the tranche
830 Float_t DisplFib = fDimZEM[1]/fDivZEM[0];
831 gMC->Gspos("ZEV0", 1,"ZETR", -DimVoid[0], 0., 0., 0, "ONLY");
832 gMC->Gspos("ZEV1", 1,"ZETR", -DimVoid[0]+zTran, 0., DisplFib, 0, "ONLY");
834 // --- Positioning the ZEM into the ZDC - rotation for 90 degrees
835 gMC->Gspos("ZEM ", 1,"ZDC ", fPosZEM[0], fPosZEM[1], fPosZEM[2], irot1, "ONLY");
837 // --- Adding last slice at the end of the EM calorimeter
838 Float_t zLastSlice = fPosZEM[2]+fDimZEMPb+fDimZEM[0];
839 gMC->Gspos("ZEL2", 1,"ZDC ", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY");
843 //_____________________________________________________________________________
844 void AliZDCv1::DrawModule()
847 // Draw a shaded view of the Zero Degree Calorimeter version 1
850 // Set everything unseen
851 gMC->Gsatt("*", "seen", -1);
853 // Set ALIC mother transparent
854 gMC->Gsatt("ALIC","SEEN",0);
856 // Set the volumes visible
857 gMC->Gsatt("ZDC ","SEEN",0);
858 gMC->Gsatt("QT01","SEEN",1);
859 gMC->Gsatt("QT02","SEEN",1);
860 gMC->Gsatt("QT03","SEEN",1);
861 gMC->Gsatt("QT04","SEEN",1);
862 gMC->Gsatt("QT05","SEEN",1);
863 gMC->Gsatt("QT06","SEEN",1);
864 gMC->Gsatt("QT07","SEEN",1);
865 gMC->Gsatt("QT08","SEEN",1);
866 gMC->Gsatt("QT09","SEEN",1);
867 gMC->Gsatt("QT10","SEEN",1);
868 gMC->Gsatt("QT11","SEEN",1);
869 gMC->Gsatt("QT12","SEEN",1);
870 gMC->Gsatt("QT13","SEEN",1);
871 gMC->Gsatt("QT14","SEEN",1);
872 gMC->Gsatt("QT15","SEEN",1);
873 gMC->Gsatt("QT16","SEEN",1);
874 gMC->Gsatt("QT17","SEEN",1);
875 gMC->Gsatt("QT18","SEEN",1);
876 gMC->Gsatt("QC01","SEEN",1);
877 gMC->Gsatt("QC02","SEEN",1);
878 gMC->Gsatt("QC03","SEEN",1);
879 gMC->Gsatt("QC04","SEEN",1);
880 gMC->Gsatt("QC05","SEEN",1);
881 gMC->Gsatt("QTD1","SEEN",1);
882 gMC->Gsatt("QTD2","SEEN",1);
883 gMC->Gsatt("QTD3","SEEN",1);
884 gMC->Gsatt("MQXL","SEEN",1);
885 gMC->Gsatt("YMQL","SEEN",1);
886 gMC->Gsatt("MQX ","SEEN",1);
887 gMC->Gsatt("YMQ ","SEEN",1);
888 gMC->Gsatt("ZQYX","SEEN",1);
889 gMC->Gsatt("MD1 ","SEEN",1);
890 gMC->Gsatt("MD1V","SEEN",1);
891 gMC->Gsatt("YD1 ","SEEN",1);
892 gMC->Gsatt("MD2 ","SEEN",1);
893 gMC->Gsatt("YD2 ","SEEN",1);
894 gMC->Gsatt("ZNEU","SEEN",0);
895 gMC->Gsatt("ZNF1","SEEN",0);
896 gMC->Gsatt("ZNF2","SEEN",0);
897 gMC->Gsatt("ZNF3","SEEN",0);
898 gMC->Gsatt("ZNF4","SEEN",0);
899 gMC->Gsatt("ZNG1","SEEN",0);
900 gMC->Gsatt("ZNG2","SEEN",0);
901 gMC->Gsatt("ZNG3","SEEN",0);
902 gMC->Gsatt("ZNG4","SEEN",0);
903 gMC->Gsatt("ZNTX","SEEN",0);
904 gMC->Gsatt("ZN1 ","COLO",4);
905 gMC->Gsatt("ZN1 ","SEEN",1);
906 gMC->Gsatt("ZNSL","SEEN",0);
907 gMC->Gsatt("ZNST","SEEN",0);
908 gMC->Gsatt("ZPRO","SEEN",0);
909 gMC->Gsatt("ZPF1","SEEN",0);
910 gMC->Gsatt("ZPF2","SEEN",0);
911 gMC->Gsatt("ZPF3","SEEN",0);
912 gMC->Gsatt("ZPF4","SEEN",0);
913 gMC->Gsatt("ZPG1","SEEN",0);
914 gMC->Gsatt("ZPG2","SEEN",0);
915 gMC->Gsatt("ZPG3","SEEN",0);
916 gMC->Gsatt("ZPG4","SEEN",0);
917 gMC->Gsatt("ZPTX","SEEN",0);
918 gMC->Gsatt("ZP1 ","COLO",6);
919 gMC->Gsatt("ZP1 ","SEEN",1);
920 gMC->Gsatt("ZPSL","SEEN",0);
921 gMC->Gsatt("ZPST","SEEN",0);
922 gMC->Gsatt("ZEM ","COLO",7);
923 gMC->Gsatt("ZEM ","SEEN",1);
924 gMC->Gsatt("ZEMF","SEEN",0);
925 gMC->Gsatt("ZETR","SEEN",0);
926 gMC->Gsatt("ZEL0","SEEN",0);
927 gMC->Gsatt("ZEL1","SEEN",0);
928 gMC->Gsatt("ZEL2","SEEN",0);
929 gMC->Gsatt("ZEV0","SEEN",0);
930 gMC->Gsatt("ZEV1","SEEN",0);
931 gMC->Gsatt("ZES0","SEEN",0);
932 gMC->Gsatt("ZES1","SEEN",0);
935 gMC->Gdopt("hide", "on");
936 gMC->Gdopt("shad", "on");
937 gMC->Gsatt("*", "fill", 7);
938 gMC->SetClipBox(".");
939 gMC->SetClipBox("*", 0, 100, -100, 100, 12000, 16000);
941 gMC->Gdraw("alic", 40, 30, 0, 488, 220, .07, .07);
942 gMC->Gdhead(1111, "Zero Degree Calorimeter Version 1");
943 gMC->Gdman(18, 4, "MAN");
946 //_____________________________________________________________________________
947 void AliZDCv1::CreateMaterials()
950 // Create Materials for the Zero Degree Calorimeter
953 Int_t *idtmed = fIdtmed->GetArray();
955 Float_t dens, ubuf[1], wmat[2], a[2], z[2], deemax = -1;
958 // --- Store in UBUF r0 for nuclear radius calculation R=r0*A**1/3
960 // --- Tantalum -> ZN passive material
962 AliMaterial(1, "TANT", 180.95, 73., 16.65, .4, 11.9, ubuf, 1);
966 // AliMaterial(1, "TUNG", 183.85, 74., 19.3, .35, 10.3, ubuf, 1);
968 // --- Brass (CuZn) -> ZP passive material
976 AliMixture(2, "BRASS ", a, z, dens, 2, wmat);
986 AliMixture(3, "SIO2 ", a, z, dens, -2, wmat);
990 AliMaterial(5, "LEAD", 207.19, 82., 11.35, .56, 18.5, ubuf, 1);
994 AliMaterial(6, "COPP", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
996 // --- Iron (energy loss taken into account)
998 AliMaterial(7, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
1000 // --- Iron (no energy loss)
1002 AliMaterial(8, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
1004 // --- Vacuum (no magnetic field)
1005 AliMaterial(10, "VOID", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
1007 // --- Vacuum (with magnetic field)
1008 AliMaterial(11, "VOIM", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
1010 // --- Air (no magnetic field)
1011 AliMaterial(12, "Air $", 14.61, 7.3, .001205, 30420., 67500., ubuf, 0);
1013 // --- Definition of tracking media:
1015 // --- Tantalum = 1 ;
1017 // --- Fibers (SiO2) = 3 ;
1018 // --- Fibers (SiO2) = 4 ;
1021 // --- Iron (with energy loss) = 7 ;
1022 // --- Iron (without energy loss) = 8 ;
1023 // --- Vacuum (no field) = 10
1024 // --- Vacuum (with field) = 11
1025 // --- Air (no field) = 12
1028 // --- Tracking media parameters
1029 Float_t epsil = .01, stmin=0.01, stemax = 1.;
1030 Int_t isxfld = gAlice->Field()->Integ();
1031 // Float_t fieldm = gAlice->Field()->Max();
1033 Int_t ifield = 0, isvolActive = 1, isvol = 0, inofld = 0;
1036 Float_t tmaxfd = 0.;
1037 AliMedium(1, "ZTANT", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1038 // AliMedium(1, "ZW", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1039 AliMedium(2, "ZBRASS",2, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1040 AliMedium(3, "ZSIO2", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1041 AliMedium(4, "ZQUAR", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1042 AliMedium(5, "ZLEAD", 5, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1043 AliMedium(6, "ZCOPP", 6, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1044 AliMedium(7, "ZIRON", 7, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1045 AliMedium(8, "ZIRONN",8, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1046 AliMedium(10,"ZVOID",10, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1047 AliMedium(12,"ZAIR", 12, 0, inofld, fieldm, tmaxfd, stemax,deemax, epsil, stmin);
1051 AliMedium(11, "ZVOIM", 11, isvol, isxfld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1053 // Thresholds for showering in the ZDCs
1055 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
1056 gMC->Gstpar(idtmed[i], "CUTELE", .001);
1057 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
1058 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
1060 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
1061 gMC->Gstpar(idtmed[i], "CUTELE", .001);
1062 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
1063 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
1065 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
1066 gMC->Gstpar(idtmed[i], "CUTELE", .001);
1067 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
1068 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
1070 // Avoid too detailed showering in TDI
1072 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
1073 gMC->Gstpar(idtmed[i], "CUTELE", .1);
1074 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
1075 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
1077 // Avoid too detailed showering along the beam line
1078 i = 7; //iron with energy loss (ZIRON)
1079 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
1080 gMC->Gstpar(idtmed[i], "CUTELE", .1);
1081 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
1082 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
1084 // Avoid too detailed showering along the beam line
1085 i = 8; //iron with energy loss (ZIRONN)
1086 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
1087 gMC->Gstpar(idtmed[i], "CUTELE", .1);
1088 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
1089 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
1091 // Avoid interaction in fibers (only energy loss allowed)
1092 i = 3; //fibers (ZSI02)
1093 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1094 gMC->Gstpar(idtmed[i], "MULS", 0.);
1095 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1096 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1097 gMC->Gstpar(idtmed[i], "LOSS", 1.);
1098 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1099 gMC->Gstpar(idtmed[i], "COMP", 0.);
1100 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1101 gMC->Gstpar(idtmed[i], "BREM", 0.);
1102 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1103 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1104 gMC->Gstpar(idtmed[i], "HADR", 0.);
1105 i = 4; //fibers (ZQUAR)
1106 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1107 gMC->Gstpar(idtmed[i], "MULS", 0.);
1108 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1109 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1110 gMC->Gstpar(idtmed[i], "LOSS", 1.);
1111 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1112 gMC->Gstpar(idtmed[i], "COMP", 0.);
1113 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1114 gMC->Gstpar(idtmed[i], "BREM", 0.);
1115 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1116 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1117 gMC->Gstpar(idtmed[i], "HADR", 0.);
1119 // Avoid interaction in void
1120 i = 11; //void with field
1121 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1122 gMC->Gstpar(idtmed[i], "MULS", 0.);
1123 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1124 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1125 gMC->Gstpar(idtmed[i], "LOSS", 0.);
1126 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1127 gMC->Gstpar(idtmed[i], "COMP", 0.);
1128 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1129 gMC->Gstpar(idtmed[i], "BREM", 0.);
1130 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1131 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1132 gMC->Gstpar(idtmed[i], "HADR", 0.);
1135 fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material
1136 fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material
1137 fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1
1138 fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2
1139 fMedSensZEM = idtmed[5]; // Sensitive volume: ZEM passive material
1140 fMedSensTDI = idtmed[6]; // Sensitive volume: TDI Cu shield
1141 fMedSensPI = idtmed[7]; // Sensitive volume: beam pipes
1142 fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves
1145 //_____________________________________________________________________________
1146 void AliZDCv1::Init()
1151 //_____________________________________________________________________________
1152 void AliZDCv1::InitTables()
1156 char *lightfName1,*lightfName2,*lightfName3,*lightfName4,
1157 *lightfName5,*lightfName6,*lightfName7,*lightfName8;
1158 FILE *fp1, *fp2, *fp3, *fp4, *fp5, *fp6, *fp7, *fp8;
1160 // --- Reading light tables for ZN
1161 lightfName1 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362207s");
1162 if((fp1 = fopen(lightfName1,"r")) == NULL){
1163 printf("Cannot open file fp1 \n");
1166 lightfName2 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362208s");
1167 if((fp2 = fopen(lightfName2,"r")) == NULL){
1168 printf("Cannot open file fp2 \n");
1171 lightfName3 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362209s");
1172 if((fp3 = fopen(lightfName3,"r")) == NULL){
1173 printf("Cannot open file fp3 \n");
1176 lightfName4 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362210s");
1177 if((fp4 = fopen(lightfName4,"r")) == NULL){
1178 printf("Cannot open file fp4 \n");
1182 for(k=0; k<fNalfan; k++){
1183 for(j=0; j<fNben; j++){
1184 fscanf(fp1,"%f",&fTablen[0][k][j]);
1185 fscanf(fp2,"%f",&fTablen[1][k][j]);
1186 fscanf(fp3,"%f",&fTablen[2][k][j]);
1187 fscanf(fp4,"%f",&fTablen[3][k][j]);
1195 // --- Reading light tables for ZP and ZEM
1196 lightfName5 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552207s");
1197 if((fp5 = fopen(lightfName5,"r")) == NULL){
1198 printf("Cannot open file fp5 \n");
1201 lightfName6 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552208s");
1202 if((fp6 = fopen(lightfName6,"r")) == NULL){
1203 printf("Cannot open file fp6 \n");
1206 lightfName7 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552209s");
1207 if((fp7 = fopen(lightfName7,"r")) == NULL){
1208 printf("Cannot open file fp7 \n");
1211 lightfName8 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552210s");
1212 if((fp8 = fopen(lightfName8,"r")) == NULL){
1213 printf("Cannot open file fp8 \n");
1217 for(k=0; k<fNalfap; k++){
1218 for(j=0; j<fNbep; j++){
1219 fscanf(fp5,"%f",&fTablep[0][k][j]);
1220 fscanf(fp6,"%f",&fTablep[1][k][j]);
1221 fscanf(fp7,"%f",&fTablep[2][k][j]);
1222 fscanf(fp8,"%f",&fTablep[3][k][j]);
1231 //_____________________________________________________________________________
1232 Int_t AliZDCv1::Digitize(Int_t Det, Int_t Quad, Int_t Light)
1234 // Evaluation of the ADC channel corresponding to the light yield Light
1237 printf("\n Digitize -> Det = %d, Quad = %d, Light = %d\n", Det, Quad, Light);
1240 // Parameters for conversion of light yield in ADC channels
1241 Float_t fPMGain[3][5]; // PM gain
1242 Float_t fADCRes; // ADC conversion factor
1247 fPMGain[i][j] = 100000.;
1250 fADCRes = 0.00000064; // ADC Resolution: 250 fC/ADCch
1252 Int_t ADCch = Int_t(Light*fPMGain[Det-1][Quad]*fADCRes);
1258 //_____________________________________________________________________________
1259 void AliZDCv1::SDigits2Digits()
1261 Hits2Digits(gAlice->GetNtrack());
1264 //_____________________________________________________________________________
1265 void AliZDCv1::Hits2Digits(Int_t ntracks)
1267 AliZDCDigit *newdigit;
1270 Int_t PMCZN = 0, PMCZP = 0, PMQZN[4], PMQZP[4], PMZEM = 0;
1279 for(itrack=0; itrack<ntracks; itrack++){
1280 gAlice->ResetHits();
1281 gAlice->TreeH()->GetEvent(itrack);
1282 for(i=0; i<fHits->GetEntries(); i++){
1283 hit = (AliZDCHit*)fHits->At(i);
1284 Int_t det = hit->GetVolume(0);
1285 Int_t quad = hit->GetVolume(1);
1286 Int_t lightQ = Int_t(hit->GetLightPMQ());
1287 Int_t lightC = Int_t(hit->GetLightPMC());
1289 printf(" \n itrack = %d, fNhits = %d, det = %d, quad = %d,"
1290 "lightC = %d lightQ = %d\n", itrack, fNhits, det, quad, lightC, lightQ);
1293 PMCZN = PMCZN + lightC;
1294 PMQZN[quad-1] = PMQZN[quad-1] + lightQ;
1298 PMCZP = PMCZP + lightC;
1299 PMQZP[quad-1] = PMQZP[quad-1] + lightQ;
1303 PMZEM = PMZEM + lightC;
1310 printf("\n PMCZN = %d, PMQZN[0] = %d, PMQZN[1] = %d, PMQZN[2] = %d, PMQZN[3] = %d\n"
1311 , PMCZN, PMQZN[0], PMQZN[1], PMQZN[2], PMQZN[3]);
1312 printf("\n PMCZP = %d, PMQZP[0] = %d, PMQZP[1] = %d, PMQZP[2] = %d, PMQZP[3] = %d\n"
1313 , PMCZP, PMQZP[0], PMQZP[1], PMQZP[2], PMQZP[3]);
1314 printf("\n PMZEM = %d\n", PMZEM);
1317 // ------------------------------------ Hits2Digits
1319 newdigit = new AliZDCDigit(1, 0, Digitize(1, 0, PMCZN));
1320 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1326 newdigit = new AliZDCDigit(1, j+1, Digitize(1, j+1, PMQZN[j]));
1327 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1333 newdigit = new AliZDCDigit(2, 0, Digitize(2, 0, PMCZP));
1334 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1340 newdigit = new AliZDCDigit(2, k+1, Digitize(2, k+1, PMQZP[k]));
1341 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1347 newdigit = new AliZDCDigit(3, 0, Digitize(3, 0, PMZEM));
1348 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1353 gAlice->TreeD()->Fill();
1354 gAlice->TreeD()->Write(0,TObject::kOverwrite);
1357 // printf("\n Event Digits -----------------------------------------------------\n");
1358 // fDigits->Print("");
1362 //_____________________________________________________________________________
1363 void AliZDCv1::MakeBranch(Option_t *opt, char *file)
1366 // Create a new branch in the current Root Tree
1369 AliDetector::MakeBranch(opt);
1371 Char_t branchname[10];
1372 sprintf(branchname,"%s",GetName());
1373 const char *cD = strstr(opt,"D");
1375 if (gAlice->TreeD() && cD) {
1377 // Creation of the digits from hits
1379 if(fDigits!=0) fDigits->Clear();
1380 else fDigits = new TClonesArray ("AliZDCDigit",1000);
1381 char branchname[10];
1382 sprintf(branchname,"%s",GetName());
1383 gAlice->MakeBranchInTree(gAlice->TreeD(),
1384 branchname, &fDigits, fBufferSize, file) ;
1385 printf("* AliZDCv1::MakeBranch * Making Branch %s for digits\n\n",branchname);
1389 //_____________________________________________________________________________
1390 void AliZDCv1::StepManager()
1393 // Routine called at every step in the Zero Degree Calorimeters
1396 Int_t j, vol[2], ibeta=0, ialfa, ibe, nphe;
1397 Float_t x[3], xdet[3], destep, hits[10], m, ekin, um[3], ud[3], be, radius, out;
1398 TLorentzVector s, p;
1401 for (j=0;j<10;j++) hits[j]=0;
1403 if((gMC->GetMedium() == fMedSensZN) || (gMC->GetMedium() == fMedSensZP) ||
1404 (gMC->GetMedium() == fMedSensGR) || (gMC->GetMedium() == fMedSensF1) ||
1405 (gMC->GetMedium() == fMedSensF2) || (gMC->GetMedium() == fMedSensZEM)){
1406 // (gMC->GetMedium() == fMedSensPI) || (gMC->GetMedium() == fMedSensTDI)){
1408 // If particle interacts with beam pipe -> return
1409 // if((gMC->GetMedium() == fMedSensPI) || (gMC->GetMedium() == fMedSensTDI)){
1410 // If option NoShower is set -> StopTrack
1411 // if(fNoShower==1) {
1412 // if(gMC->GetMedium() == fMedSensPI) {
1413 // knamed = gMC->CurrentVolName();
1414 // if((!strncmp(knamed,"MQ",2)) || (!strncmp(knamed,"YM",2))) fpLostIT += 1;
1415 // if((!strncmp(knamed,"MD1",3))|| (!strncmp(knamed,"YD1",2))) fpLostD1 += 1;
1417 // if(gMC->GetMedium() == fMedSensTDI) fpLostTDI += 1;
1418 // gMC->StopTrack();
1419 // printf("\n # of p lost in Inner Triplet = %d\n",fpLostIT);
1420 // printf("\n # of p lost in D1 = %d\n",fpLostD1);
1421 // printf("\n # of p lost in TDI = %d\n",fpLostTDI);
1426 //Particle coordinates
1427 gMC->TrackPosition(s);
1428 for(j=0; j<=2; j++){
1435 // Determine in which ZDC the particle is
1436 knamed = gMC->CurrentVolName();
1437 if(!strncmp(knamed,"ZN",2))vol[0]=1;
1438 if(!strncmp(knamed,"ZP",2))vol[0]=2;
1439 if(!strncmp(knamed,"ZE",2))vol[0]=3;
1441 // Determine in which quadrant the particle is
1445 xdet[0] = x[0]-fPosZN[0];
1446 xdet[1] = x[1]-fPosZN[1];
1447 if((xdet[0]<=0.) && (xdet[1]>=0.)) vol[1]=1;
1448 if((xdet[0]>0.) && (xdet[1]>0.)) vol[1]=2;
1449 if((xdet[0]<0.) && (xdet[1]<0.)) vol[1]=3;
1450 if((xdet[0]>0.) && (xdet[1]<0.)) vol[1]=4;
1455 xdet[0] = x[0]-fPosZP[0];
1456 xdet[1] = x[1]-fPosZP[1];
1457 if(xdet[0]>fDimZP[0])xdet[0]=fDimZP[0]-0.01;
1458 if(xdet[0]<-fDimZP[0])xdet[0]=-fDimZP[0]+0.01;
1459 Float_t xqZP = xdet[0]/(fDimZP[0]/2);
1460 for(int i=1; i<=4; i++){
1461 if(xqZP>=(i-3) && xqZP<(i-2)){
1468 //ZEM has only 1 quadrant
1471 xdet[0] = x[0]-fPosZEM[0];
1472 xdet[1] = x[1]-fPosZEM[1];
1475 // Store impact point and kinetic energy of the ENTERING particle
1477 // if(Curtrack==Prim){
1478 if(gMC->IsTrackEntering()){
1480 gMC->TrackMomentum(p);
1482 // Impact point on ZDC
1490 // Int_t PcID = gMC->TrackPid();
1491 // printf("Pc ID -> %d\n",PcID);
1492 AddHit(gAlice->CurrentTrack(), vol, hits);
1497 // printf("\n # of detected p = %d\n",fpDetected);
1503 // Charged particles -> Energy loss
1504 if((destep=gMC->Edep())){
1505 if(gMC->IsTrackStop()){
1506 gMC->TrackMomentum(p);
1507 m = gMC->TrackMass();
1512 AddHit(gAlice->CurrentTrack(), vol, hits);
1518 AddHit(gAlice->CurrentTrack(), vol, hits);
1520 // printf(" Dep. E = %f \n",hits[9]);
1522 }// NB -> Questa parentesi (chiude il primo IF) io la sposterei al fondo!???
1525 // *** Light production in fibres
1526 if((gMC->GetMedium() == fMedSensF1) || (gMC->GetMedium() == fMedSensF2)){
1528 //Select charged particles
1529 if((destep=gMC->Edep())){
1531 // Particle velocity
1532 gMC->TrackMomentum(p);
1533 Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]);
1534 Float_t beta = ptot/p[3];
1535 if(beta<0.67) return;
1536 if((beta>=0.67) && (beta<=0.75)) ibeta = 0;
1537 if((beta>0.75) && (beta<=0.85)) ibeta = 1;
1538 if((beta>0.85) && (beta<=0.95)) ibeta = 2;
1539 if(beta>0.95) ibeta = 3;
1541 // Angle between particle trajectory and fibre axis
1542 // 1 -> Momentum directions
1546 gMC->Gmtod(um,ud,2);
1547 // 2 -> Angle < limit angle
1548 Double_t alfar = TMath::ACos(ud[2]);
1549 Double_t alfa = alfar*kRaddeg;
1550 if(alfa>=110.) return;
1551 ialfa = Int_t(1.+alfa/2.);
1553 // Distance between particle trajectory and fibre axis
1554 gMC->TrackPosition(s);
1555 for(j=0; j<=2; j++){
1558 gMC->Gmtod(x,xdet,1);
1559 if(TMath::Abs(ud[0])>0.00001){
1560 Float_t dcoeff = ud[1]/ud[0];
1561 be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.));
1564 be = TMath::Abs(ud[0]);
1567 if((vol[0]==1)) radius = fFibZN[1];
1568 if((vol[0]==2)) radius = fFibZP[1];
1569 ibe = Int_t(be*1000.+1);
1571 //Looking into the light tables
1572 Float_t charge = gMC->TrackCharge();
1576 if(ibe>fNben) ibe=fNben;
1577 out = charge*charge*fTablen[ibeta][ialfa][ibe];
1578 nphe = gRandom->Poisson(out);
1579 // printf("ZN --- ibeta = %d, ialfa = %d, ibe = %d"
1580 // " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1581 if(gMC->GetMedium() == fMedSensF1){
1582 hits[7] = nphe; //fLightPMQ
1585 AddHit(gAlice->CurrentTrack(), vol, hits);
1589 hits[8] = nphe; //fLightPMC
1591 AddHit(gAlice->CurrentTrack(), vol, hits);
1597 if(ibe>fNbep) ibe=fNbep;
1598 out = charge*charge*fTablep[ibeta][ialfa][ibe];
1599 nphe = gRandom->Poisson(out);
1600 // printf("ZP --- ibeta = %d, ialfa = %d, ibe = %d"
1601 // " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1602 if(gMC->GetMedium() == fMedSensF1){
1603 hits[7] = nphe; //fLightPMQ
1606 AddHit(gAlice->CurrentTrack(), vol, hits);
1610 hits[8] = nphe; //fLightPMC
1612 AddHit(gAlice->CurrentTrack(), vol, hits);
1617 if(ibe>fNbep) ibe=fNbep;
1618 out = charge*charge*fTablep[ibeta][ialfa][ibe];
1619 nphe = gRandom->Poisson(out);
1620 // printf("ZEM --- ibeta = %d, ialfa = %d, ibe = %d"
1621 // " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1623 hits[8] = nphe; //fLightPMC
1625 AddHit(gAlice->CurrentTrack(), vol, hits);