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 1.6 2000/11/22 11:33:10 coppedis
21 Revision 1.5 2000/10/02 21:28:20 fca
22 Removal of useless dependecies via forward declarations
24 Revision 1.3.2.1 2000/08/24 09:25:47 hristov
25 Patch by P.Hristov: Bug in ZDC geometry corrected by E.Scomparin
27 Revision 1.4 2000/08/24 09:23:59 hristov
28 Bug in ZDC geometry corrected by E.Scomparin
30 Revision 1.3 2000/07/12 06:59:16 fca
31 Fixing dimension of hits array
33 Revision 1.2 2000/07/11 11:12:34 fca
34 Some syntax corrections for non standard HP aCC
36 Revision 1.1 2000/07/10 13:58:01 fca
37 New version of ZDC from E.Scomparin & C.Oppedisano
39 Revision 1.7 2000/01/19 17:17:40 fca
41 Revision 1.6 1999/09/29 09:24:35 fca
42 Introduction of the Copyright and cvs Log
46 ///////////////////////////////////////////////////////////////////////////////
48 // Zero Degree Calorimeter //
49 // This class contains the basic functions for the ZDC //
50 // Functions specific to one particular geometry are //
51 // contained in the derived classes //
53 ///////////////////////////////////////////////////////////////////////////////
65 // --- AliRoot classes
67 #include "AliZDCHit.h"
68 #include "AliZDCDigit.h"
70 #include "AliDetector.h"
73 #include "AliCallf77.h"
76 #include "TLorentzVector.h"
82 ///////////////////////////////////////////////////////////////////////////////
84 // Zero Degree Calorimeter version 1 //
86 ///////////////////////////////////////////////////////////////////////////////
88 //_____________________________________________________________________________
89 AliZDCv1::AliZDCv1() : AliZDC()
92 // Default constructor for Zero Degree Calorimeter
105 //_____________________________________________________________________________
106 AliZDCv1::AliZDCv1(const char *name, const char *title)
110 // Standard constructor for Zero Degree Calorimeter
113 fDigits = new TClonesArray("AliZDCDigit",1000);
125 //_____________________________________________________________________________
126 void AliZDCv1::CreateGeometry()
129 // Create the geometry for the Zero Degree Calorimeter version 1
130 //* Initialize COMMON block ZDC_CGEOM
137 //_____________________________________________________________________________
138 void AliZDCv1::CreateBeamLine()
142 Float_t zq, conpar[9], elpar[3], tubpar[3];
147 Int_t *idtmed = fIdtmed->GetArray();
149 // -- Mother of the ZDC
160 gMC->Gsvolu("ZDC ", "PCON", idtmed[10], conpar, 9);
161 gMC->Gspos("ZDC ", 1, "ALIC", 0., 0., 0., 0, "ONLY");
163 // -- FIRST SECTION OF THE BEAM PIPE (from compensator dipole to
170 tubpar[2] = 3916.7/2.;
171 gMC->Gsvolu("P001", "TUBE", idtmed[5], tubpar, 3);
172 gMC->Gspos("P001", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
174 //-- SECOND SECTION OF THE BEAM PIPE (FROM THE END OF D1 TO THE BEGINNING OF
177 //-- FROM MAGNETIC BEGINNING OG D1 TO MAGNETIC END OF D1 + 23.5 cm
185 // gMC->Gsvolu("E001", "ELTU", idtmed[5], elpar, 3);
186 // gMC->Gspos("E001", 1, "ZDC ", 0., 0., elpar[2] + zd1, 0, "ONLY");
191 // gMC->Gsvolu("E002", "ELTU", idtmed[10], elpar, 3);
192 // gMC->Gspos("E002", 1, "E001", 0., 0., 0., 0, "ONLY");
199 // gMC->Gsvolu("E003", "ELTU", idtmed[5], elpar, 3);
200 // gMC->Gspos("E002", 1, "ZDC ", 0., 0., elpar[2] + zd1, 0, "ONLY");
205 // gMC->Gsvolu("E004", "ELTU", idtmed[10], elpar, 3);
206 // gMC->Gspos("E004", 1, "E003", 0., 0., 0., 0, "ONLY");
215 gMC->Gsvolu("C001", "CONE", idtmed[5], conpar, 5);
216 gMC->Gspos("C001", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
223 gMC->Gsvolu("P002", "TUBE", idtmed[5], tubpar, 3);
224 gMC->Gspos("P002", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
226 zd1 += tubpar[2] * 2.;
231 gMC->Gsvolu("P003", "TUBE", idtmed[5], tubpar, 3);
232 gMC->Gspos("P003", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
234 zd1 += tubpar[2] * 2.;
239 gMC->Gsvolu("P004", "TUBE", idtmed[5], tubpar, 3);
240 gMC->Gspos("P004", 1, "ZDC ", 0., 0., tubpar[0] + zd1, 0, "ONLY");
242 zd1 += tubpar[2] * 2.;
247 gMC->Gsvolu("P005", "TUBE", idtmed[5], tubpar, 3);
248 gMC->Gspos("P005", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
250 zd1 += tubpar[2] * 2.;
257 gMC->Gsvolu("P006", "CONE", idtmed[5], conpar, 5);
258 gMC->Gspos("P006", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
260 zd1 += conpar[0] * 2.;
265 gMC->Gsvolu("P007", "TUBE", idtmed[5], tubpar, 3);
266 gMC->Gspos("P007", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
268 zd1 += tubpar[2] * 2.;
275 gMC->Gsvolu("P008", "CONE", idtmed[5], conpar, 5);
276 gMC->Gspos("P008", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
278 zd1 += conpar[0] * 2.;
282 tubpar[2] = 205.8/2.;
283 gMC->Gsvolu("P009", "TUBE", idtmed[5], tubpar, 3);
284 gMC->Gspos("P009", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
286 zd1 += tubpar[2] * 2.;
290 tubpar[2] = 505.4/2.;
291 gMC->Gsvolu("P010", "TUBE", idtmed[5], tubpar, 3);
292 gMC->Gspos("P010", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
294 zd1 += tubpar[2] * 2.;
299 gMC->Gsvolu("P011", "TUBE", idtmed[5], tubpar, 3);
300 gMC->Gspos("P011", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
302 zd1 += tubpar[2] * 2.;
306 tubpar[2] = 778.5/2.;
307 gMC->Gsvolu("P012", "TUBE", idtmed[5], tubpar, 3);
308 gMC->Gspos("P012", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
310 zd1 += tubpar[2] * 2.;
312 conpar[0] = 14.18/2.;
317 gMC->Gsvolu("P013", "CONE", idtmed[5], conpar, 5);
318 gMC->Gspos("P013", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
320 zd1 += conpar[0] * 2.;
325 gMC->Gsvolu("P014", "TUBE", idtmed[5], tubpar, 3);
326 gMC->Gspos("P014", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
328 zd1 += tubpar[2] * 2.;
330 conpar[0] = 36.86/2.;
335 gMC->Gsvolu("P015", "CONE", idtmed[5], conpar, 5);
336 gMC->Gspos("P015", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
338 zd1 += conpar[0] * 2.;
342 tubpar[2] = 927.3/2.;
343 gMC->Gsvolu("P016", "TUBE", idtmed[5], tubpar, 3);
344 gMC->Gspos("P016", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
346 zd1 += tubpar[2] * 2.;
351 gMC->Gsvolu("P017", "TUBE", idtmed[8], tubpar, 3);
352 gMC->Gspos("P017", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
354 zd1 += tubpar[2] * 2.;
359 gMC->Gsvolu("Q017", "TUBE", idtmed[10], tubpar, 3);
361 //-- Position Q017 inside P017
362 gMC->Gspos("Q017", 1, "P017", -7.7, 0., 0., 0, "ONLY");
367 gMC->Gsvolu("R017", "TUBE", idtmed[10], tubpar, 3);
369 //-- Position R017 inside P017
370 gMC->Gspos("R017", 1, "P017", 7.7, 0., 0., 0, "ONLY");
372 //-- BEAM PIPE BETWEEN END OF CONICAL PIPE AND BEGINNING OF D2
377 gMC->Gsvolu("P018", "TUBE", idtmed[5], tubpar, 3);
382 gMC->Gsvolu("P019", "TUBE", idtmed[5], tubpar, 3);
386 AliMatrix(im1, 90.-0.071, 0., 90., 90., .071, 180.);
387 angle = .071*kDegrad;
388 gMC->Gspos("P018", 1, "ZDC ", TMath::Sin(angle) * 645. / 2. - 9.7 +
389 TMath::Sin(angle) * 945. / 2., 0., tubpar[2] + zd1, im1, "ONLY");
390 AliMatrix(im2, 90.+0.071, 0., 90., 90., .071, 0.);
391 gMC->Gspos("P019", 1, "ZDC ", 9.7 - TMath::Sin(angle) * 645. / 2., 0.,
392 tubpar[2] + zd1, im2, "ONLY");
394 // -- END OF BEAM PIPE VOLUME DEFINITION. MAGNET DEFINITION FOLLOWS
397 // -- COMPENSATOR DIPOLE (MBXW)
398 // GAP (VACUUM WITH MAGNETIC FIELD)
402 // tubpar[2] = 340./2.;
403 // gMC->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3);
404 // gMC->Gspos("MBXW", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY");
406 // -- YOKE (IRON WITHOUT MAGNETIC FIELD)
410 // tubpar[2] = 340./2.;
411 // gMC->Gsvolu("YMBX", "TUBE", idtmed[5], tubpar, 3);
412 // gMC->Gspos("YMBX", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY");
414 // -- COMPENSATOR DIPOLE (MCBWA)
415 // GAP (VACUUM WITH MAGNETIC FIELD)
420 gMC->Gsvolu("MCBW", "TUBE", idtmed[11], tubpar, 3);
421 gMC->Gspos("MCBW", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY");
423 // -- YOKE (IRON WITHOUT MAGNETIC FIELD)
428 gMC->Gsvolu("YMCB", "TUBE", idtmed[5], tubpar, 3);
429 gMC->Gspos("YMCB", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY");
435 // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT
438 // -- GAP (VACUUM WITH MAGNETIC FIELD)
443 gMC->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3);
450 gMC->Gsvolu("YMQL", "TUBE", idtmed[5], tubpar, 3);
452 gMC->Gspos("MQXL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
453 gMC->Gspos("YMQL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
455 gMC->Gspos("MQXL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY");
456 gMC->Gspos("YMQL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY");
459 // -- GAP (VACUUM WITH MAGNETIC FIELD)
464 gMC->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3);
471 gMC->Gsvolu("YMQ ", "TUBE", idtmed[5], tubpar, 3);
473 gMC->Gspos("MQX ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 880., 0, "ONLY");
474 gMC->Gspos("YMQ ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 880., 0, "ONLY");
476 gMC->Gspos("MQX ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1530., 0, "ONLY");
477 gMC->Gspos("YMQ ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1530., 0, "ONLY");
479 // -- SEPARATOR DIPOLE D1
483 // -- GAP (VACUUM WITH MAGNETIC FIELD)
488 gMC->Gsvolu("D1 ", "TUBE", idtmed[11], tubpar, 3);
495 gMC->Gsvolu("YD1 ", "TUBE", idtmed[5], tubpar, 3);
497 gMC->Gspos("YD1 ", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
498 gMC->Gspos("D1 ", 1, "YD1 ", 0., 0., 0., 0, "ONLY");
504 // -- GAP (VACUUM WITH MAGNETIC FIELD)
509 gMC->Gsvolu("D2 ", "TUBE", idtmed[11], tubpar, 3);
516 gMC->Gsvolu("YD2 ", "TUBE", idtmed[5], tubpar, 3);
518 gMC->Gspos("YD2 ", 1, "ZDC ", 0., 0., tubpar[2] + zd2, 0, "ONLY");
520 gMC->Gspos("D2 ", 1, "YD2 ", -9.7, 0., 0., 0, "ONLY");
521 gMC->Gspos("D2 ", 2, "YD2 ", 9.7, 0., 0., 0, "ONLY");
523 // -- END OF MAGNET DEFINITION
526 //_____________________________________________________________________________
527 void AliZDCv1::CreateZDC()
530 Int_t *idtmed = fIdtmed->GetArray();
532 Float_t DimPb[6], DimVoid[6];
535 //-- Create calorimeters geometry
537 //--> Neutron calorimeter (ZN)
539 gMC->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material
540 gMC->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material
541 gMC->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3);
542 gMC->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3);
543 gMC->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3);
544 gMC->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves
545 gMC->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3);
546 gMC->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3);
547 gMC->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3);
549 // Divide ZNEU in towers (for hits purposes)
551 gMC->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower
552 gMC->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower
554 //-- Divide ZN1 in minitowers
555 // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS,
556 // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS
557 // (4 fibres per minitower)
559 gMC->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices
560 gMC->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks
562 // --- Position the empty grooves in the sticks (4 grooves per stick)
563 Float_t dx = fDimZN[0] / fDivZN[0] / 4.;
564 Float_t dy = fDimZN[1] / fDivZN[1] / 4.;
566 gMC->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY");
567 gMC->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY");
568 gMC->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY");
569 gMC->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY");
571 // --- Position the fibers in the grooves
572 gMC->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY");
573 gMC->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY");
574 gMC->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY");
575 gMC->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY");
577 // --- Position the neutron calorimeter in ZDC
578 gMC->Gspos("ZNEU", 1, "ZDC ", fPosZN[0], fPosZN[1], fPosZN[2] + fDimZN[2], 0, "ONLY");
581 //--> Proton calorimeter (ZP)
583 gMC->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material
584 gMC->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material
585 gMC->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3);
586 gMC->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3);
587 gMC->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3);
588 gMC->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves
589 gMC->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3);
590 gMC->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3);
591 gMC->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3);
593 //-- Divide ZPRO in towers(for hits purposes)
595 gMC->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower
596 gMC->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower
599 //-- Divide ZP1 in minitowers
600 // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER,
601 // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER
602 // (4 fiber per minitower)
604 gMC->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices
605 gMC->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks
607 // --- Position the empty grooves in the sticks (4 grooves per stick)
608 dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.;
609 dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.;
611 gMC->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY");
612 gMC->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY");
613 gMC->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY");
614 gMC->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY");
616 // --- Position the fibers in the grooves
617 gMC->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY");
618 gMC->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY");
619 gMC->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY");
620 gMC->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY");
623 // --- Position the proton calorimeter in ZDC
624 gMC->Gspos("ZPRO", 1, "ZDC ", fPosZP[0], fPosZP[1], fPosZP[2] + fDimZP[2], 0, "ONLY");
628 //--> EM calorimeter (ZEM)
630 gMC->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6);
632 gMC->Matrix(irot1,0.,0.,90.,90.,90.,180.); // Rotation matrix 1
633 gMC->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]); // Rotation matrix 2
634 // printf("irot1 = %d, irot2 = %d \n", irot1, irot2);
636 gMC->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material
638 gMC->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches
640 DimPb[0] = fDimZEMPb; // Lead slices
641 DimPb[1] = fDimZEM[2];
642 DimPb[2] = fDimZEM[1];
643 DimPb[3] = 90.-fDimZEM[3];
646 gMC->Gsvolu("ZEL0", "PARA", idtmed[6], DimPb, 6);
647 gMC->Gsvolu("ZEL1", "PARA", idtmed[6], DimPb, 6);
648 gMC->Gsvolu("ZEL2", "PARA", idtmed[6], DimPb, 6);
650 // --- Position the lead slices in the tranche
651 Float_t zTran = fDimZEM[0]/fDivZEM[2];
652 Float_t zTrPb = -zTran+fDimZEMPb;
653 gMC->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY");
654 gMC->Gspos("ZEL1", 1, "ZETR", fDimZEMPb, 0., 0., 0, "ONLY");
656 // --- Vacuum zone (to be filled with fibres)
657 DimVoid[0] = (zTran-2*fDimZEMPb)/2.;
658 DimVoid[1] = fDimZEM[2];
659 DimVoid[2] = fDimZEM[1];
660 DimVoid[3] = 90.-fDimZEM[3];
663 gMC->Gsvolu("ZEV0", "PARA", idtmed[10], DimVoid,6);
664 gMC->Gsvolu("ZEV1", "PARA", idtmed[10], DimVoid,6);
666 // --- Divide the vacuum slice into sticks along x axis
667 gMC->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3);
668 gMC->Gsdvn("ZES1", "ZEV1", fDivZEM[0], 3);
670 // --- Positioning the fibers into the sticks
671 gMC->Gspos("ZEMF", 1,"ZES0", 0., 0., 0., irot2, "ONLY");
672 gMC->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY");
674 // --- Positioning the vacuum slice into the tranche
675 Float_t DisplFib = fDimZEM[1]/fDivZEM[0];
676 gMC->Gspos("ZEV0", 1,"ZETR", -DimVoid[0], 0., 0., 0, "ONLY");
677 gMC->Gspos("ZEV1", 1,"ZETR", -DimVoid[0]+zTran, 0., DisplFib, 0, "ONLY");
679 // --- Positioning the ZEM into the ZDC - rotation for 90 degrees
680 gMC->Gspos("ZEM ", 1,"ZDC ", fPosZEM[0], fPosZEM[1], fPosZEM[2], irot1, "ONLY");
682 // --- Adding last slice at the end of the EM calorimeter
683 Float_t zLastSlice = fPosZEM[2]+fDimZEMPb+fDimZEM[0];
684 gMC->Gspos("ZEL2", 1,"ZDC ", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY");
688 //_____________________________________________________________________________
689 void AliZDCv1::DrawModule()
692 // Draw a shaded view of the Zero Degree Calorimeter version 1
695 // Set everything unseen
696 gMC->Gsatt("*", "seen", -1);
698 // Set ALIC mother transparent
699 gMC->Gsatt("ALIC","SEEN",0);
701 // Set the volumes visible
702 gMC->Gsatt("ZDC ","SEEN",0);
703 gMC->Gsatt("P001","SEEN",1);
704 gMC->Gsatt("E001","SEEN",1);
705 gMC->Gsatt("E002","SEEN",1);
706 gMC->Gsatt("E003","SEEN",1);
707 gMC->Gsatt("E004","SEEN",1);
708 gMC->Gsatt("C001","SEEN",1);
709 gMC->Gsatt("P002","SEEN",1);
710 gMC->Gsatt("P003","SEEN",1);
711 gMC->Gsatt("P004","SEEN",1);
712 gMC->Gsatt("P005","SEEN",1);
713 gMC->Gsatt("P006","SEEN",1);
714 gMC->Gsatt("P007","SEEN",1);
715 gMC->Gsatt("P008","SEEN",1);
716 gMC->Gsatt("P009","SEEN",1);
717 gMC->Gsatt("P010","SEEN",1);
718 gMC->Gsatt("P011","SEEN",1);
719 gMC->Gsatt("P012","SEEN",1);
720 gMC->Gsatt("P013","SEEN",1);
721 gMC->Gsatt("P014","SEEN",1);
722 gMC->Gsatt("P015","SEEN",1);
723 gMC->Gsatt("P016","SEEN",1);
724 gMC->Gsatt("P017","SEEN",1);
725 gMC->Gsatt("Q017","SEEN",1);
726 gMC->Gsatt("R017","SEEN",1);
727 gMC->Gsatt("P018","SEEN",1);
728 gMC->Gsatt("P019","SEEN",1);
729 // gMC->Gsatt("MBXW","SEEN",1);
730 // gMC->Gsatt("YMBX","SEEN",1);
731 gMC->Gsatt("MCBW","SEEN",1);
732 gMC->Gsatt("YMCB","SEEN",1);
733 gMC->Gsatt("MQXL","SEEN",1);
734 gMC->Gsatt("YMQL","SEEN",1);
735 gMC->Gsatt("MQX ","SEEN",1);
736 gMC->Gsatt("YMQ ","SEEN",1);
737 gMC->Gsatt("D1 ","SEEN",1);
738 gMC->Gsatt("YD1 ","SEEN",1);
739 gMC->Gsatt("D2 ","SEEN",1);
740 gMC->Gsatt("YD2 ","SEEN",1);
741 gMC->Gsatt("ZNEU","SEEN",0);
742 gMC->Gsatt("ZNF1","SEEN",0);
743 gMC->Gsatt("ZNF2","SEEN",0);
744 gMC->Gsatt("ZNF3","SEEN",0);
745 gMC->Gsatt("ZNF4","SEEN",0);
746 gMC->Gsatt("ZNG1","SEEN",0);
747 gMC->Gsatt("ZNG2","SEEN",0);
748 gMC->Gsatt("ZNG3","SEEN",0);
749 gMC->Gsatt("ZNG4","SEEN",0);
750 gMC->Gsatt("ZNTX","SEEN",0);
751 gMC->Gsatt("ZN1 ","COLO",2);
752 gMC->Gsatt("ZN1 ","SEEN",1);
753 gMC->Gsatt("ZNSL","SEEN",0);
754 gMC->Gsatt("ZNST","SEEN",0);
755 gMC->Gsatt("ZPRO","SEEN",0);
756 gMC->Gsatt("ZPF1","SEEN",0);
757 gMC->Gsatt("ZPF2","SEEN",0);
758 gMC->Gsatt("ZPF3","SEEN",0);
759 gMC->Gsatt("ZPF4","SEEN",0);
760 gMC->Gsatt("ZPG1","SEEN",0);
761 gMC->Gsatt("ZPG2","SEEN",0);
762 gMC->Gsatt("ZPG3","SEEN",0);
763 gMC->Gsatt("ZPG4","SEEN",0);
764 gMC->Gsatt("ZPTX","SEEN",0);
765 gMC->Gsatt("ZP1 ","COLO",2);
766 gMC->Gsatt("ZP1 ","SEEN",1);
767 gMC->Gsatt("ZPSL","SEEN",0);
768 gMC->Gsatt("ZPST","SEEN",0);
769 gMC->Gsatt("ZEM ","COLO",2);
770 gMC->Gsatt("ZEM ","SEEN",1);
771 gMC->Gsatt("ZEMF","SEEN",0);
772 gMC->Gsatt("ZETR","SEEN",0);
773 gMC->Gsatt("ZEL0","SEEN",0);
774 gMC->Gsatt("ZEL1","SEEN",0);
775 gMC->Gsatt("ZEL2","SEEN",0);
776 gMC->Gsatt("ZEV0","SEEN",0);
777 gMC->Gsatt("ZEV1","SEEN",0);
778 gMC->Gsatt("ZES0","SEEN",0);
779 gMC->Gsatt("ZES1","SEEN",0);
782 gMC->Gdopt("hide", "on");
783 gMC->Gdopt("shad", "on");
784 gMC->Gsatt("*", "fill", 7);
785 gMC->SetClipBox(".");
786 gMC->SetClipBox("*", 0, 100, -100, 100, 12000, 16000);
788 gMC->Gdraw("alic", 40, 30, 0, 488, 220, .07, .07);
789 gMC->Gdhead(1111, "Zero Degree Calorimeter Version 1");
790 gMC->Gdman(18, 4, "MAN");
793 //_____________________________________________________________________________
794 void AliZDCv1::CreateMaterials()
797 // Create Materials for the Zero Degree Calorimeter
799 // Origin : E. Scomparin
801 Int_t *idtmed = fIdtmed->GetArray();
803 Float_t dens, ubuf[1], wmat[2], a[2], z[2], epsil=0.001, stmin=0.01;
804 Int_t i, isvolActive, isvol, inofld;
805 Float_t fieldm = gAlice->Field()->Max();
806 Float_t tmaxfd=gAlice->Field()->Max();
807 Int_t isxfld = gAlice->Field()->Integ();
811 // --- Store in UBUF r0 for nuclear radius calculation R=r0*A**1/3
813 // --- Tantalum -> ZN passive material
815 AliMaterial(1, "TANT", 180.95, 73., 16.65, .4, 11.9, ubuf, 1);
819 // AliMaterial(1, "TUNG", 183.85, 74., 19.3, .35, 10.3, ubuf, 1);
821 // --- Brass (CuZn) -> ZP passive material
829 AliMixture(2, "BRASS ", a, z, dens, 2, wmat);
839 AliMixture(3, "SIO2 ", a, z, dens, -2, wmat);
844 AliMaterial(5, "LEAD", 207.19, 82., 11.35, .56, 18.5, ubuf, 1);
848 // AliMaterial(7, "COPP", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
850 // --- Iron (energy loss taken into account)
852 AliMaterial(6, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
854 // --- Iron (no energy loss)
856 AliMaterial(7, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
858 // --- Vacuum (no magnetic field)
859 AliMaterial(10, "VOID", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
861 // --- Vacuum (with magnetic field)
862 AliMaterial(11, "VOIM", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
864 // --- Air (no magnetic field)
865 AliMaterial(12, "Air $", 14.61, 7.3, .001205, 30420., 67500., ubuf, 0);
867 // --- Definition of tracking media:
869 // --- Tantalum = 1 ;
871 // --- Fibers (SiO2) = 3 ;
872 // --- Fibers (SiO2) = 4 ;
874 // --- Iron (with energy loss) = 6 ;
875 // --- Iron (without energy loss) = 7 ;
876 // --- Vacuum (no field) = 10
877 // --- Vacuum (with field) = 11
878 // --- Air (no field) = 12
881 // --- Tracking media parameters
889 AliMedium(1, "ZTANT", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
890 // AliMedium(1, "ZW", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
891 AliMedium(2, "ZBRASS", 2, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
892 AliMedium(3, "ZSIO2", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
893 AliMedium(4, "ZQUAR", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
894 AliMedium(6, "ZLEAD", 5, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
895 // AliMedium(7, "ZCOPP", 7, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
896 AliMedium(5, "ZIRON", 6, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
897 AliMedium(8, "ZIRONN", 7, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
898 AliMedium(10, "ZVOID", 10, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
899 AliMedium(12, "ZAIR", 12, 0, inofld, fieldm, tmaxfd, stemax,deemax, epsil, stmin);
902 AliMedium(11, "ZVOIM", 11, isvol, isxfld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
904 // Thresholds for showering in the ZDCs
907 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
908 gMC->Gstpar(idtmed[i], "CUTELE", .001);
909 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
910 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
912 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
913 gMC->Gstpar(idtmed[i], "CUTELE", .001);
914 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
915 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
917 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
918 gMC->Gstpar(idtmed[i], "CUTELE", .001);
919 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
920 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
922 // Avoid too detailed showering along the beam line
925 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
926 gMC->Gstpar(idtmed[i], "CUTELE", .1);
927 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
928 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
930 // Avoid interaction in fibers (only energy loss allowed)
932 gMC->Gstpar(idtmed[i], "DCAY", 0.);
933 gMC->Gstpar(idtmed[i], "MULS", 0.);
934 gMC->Gstpar(idtmed[i], "PFIS", 0.);
935 gMC->Gstpar(idtmed[i], "MUNU", 0.);
936 gMC->Gstpar(idtmed[i], "LOSS", 1.);
937 gMC->Gstpar(idtmed[i], "PHOT", 0.);
938 gMC->Gstpar(idtmed[i], "COMP", 0.);
939 gMC->Gstpar(idtmed[i], "PAIR", 0.);
940 gMC->Gstpar(idtmed[i], "BREM", 0.);
941 gMC->Gstpar(idtmed[i], "DRAY", 0.);
942 gMC->Gstpar(idtmed[i], "ANNI", 0.);
943 gMC->Gstpar(idtmed[i], "HADR", 0.);
945 gMC->Gstpar(idtmed[i], "DCAY", 0.);
946 gMC->Gstpar(idtmed[i], "MULS", 0.);
947 gMC->Gstpar(idtmed[i], "PFIS", 0.);
948 gMC->Gstpar(idtmed[i], "MUNU", 0.);
949 gMC->Gstpar(idtmed[i], "LOSS", 1.);
950 gMC->Gstpar(idtmed[i], "PHOT", 0.);
951 gMC->Gstpar(idtmed[i], "COMP", 0.);
952 gMC->Gstpar(idtmed[i], "PAIR", 0.);
953 gMC->Gstpar(idtmed[i], "BREM", 0.);
954 gMC->Gstpar(idtmed[i], "DRAY", 0.);
955 gMC->Gstpar(idtmed[i], "ANNI", 0.);
956 gMC->Gstpar(idtmed[i], "HADR", 0.);
958 // Avoid interaction in void
960 gMC->Gstpar(idtmed[i], "DCAY", 0.);
961 gMC->Gstpar(idtmed[i], "MULS", 0.);
962 gMC->Gstpar(idtmed[i], "PFIS", 0.);
963 gMC->Gstpar(idtmed[i], "MUNU", 0.);
964 gMC->Gstpar(idtmed[i], "LOSS", 0.);
965 gMC->Gstpar(idtmed[i], "PHOT", 0.);
966 gMC->Gstpar(idtmed[i], "COMP", 0.);
967 gMC->Gstpar(idtmed[i], "PAIR", 0.);
968 gMC->Gstpar(idtmed[i], "BREM", 0.);
969 gMC->Gstpar(idtmed[i], "DRAY", 0.);
970 gMC->Gstpar(idtmed[i], "ANNI", 0.);
971 gMC->Gstpar(idtmed[i], "HADR", 0.);
974 fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1
975 fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2
976 fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material
977 fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material
978 fMedSensZEM = idtmed[6]; // Sensitive volume: ZEM passive material
979 fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves
980 fMedSensPI = idtmed[5]; // Sensitive volume: beam pipes
983 //_____________________________________________________________________________
984 void AliZDCv1::Init()
989 //_____________________________________________________________________________
990 void AliZDCv1::InitTables()
993 //Initialize parameters for light tables and read them
999 char *lightfName1,*lightfName2,*lightfName3,*lightfName4,
1000 *lightfName5,*lightfName6,*lightfName7,*lightfName8;
1001 FILE *fp1, *fp2, *fp3, *fp4, *fp5, *fp6, *fp7, *fp8;
1003 lightfName1 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362207s");
1004 if((fp1 = fopen(lightfName1,"r")) == NULL){
1005 printf("Cannot open file fp1 \n");
1008 lightfName2 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362208s");
1009 if((fp2 = fopen(lightfName2,"r")) == NULL){
1010 printf("Cannot open file fp2 \n");
1013 lightfName3 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362209s");
1014 if((fp3 = fopen(lightfName3,"r")) == NULL){
1015 printf("Cannot open file fp3 \n");
1018 lightfName4 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362210s");
1019 if((fp4 = fopen(lightfName4,"r")) == NULL){
1020 printf("Cannot open file fp4 \n");
1023 // printf(" --- Reading light tables for ZN \n");
1024 for(k=0; k<fNalfan; k++){
1025 for(j=0; j<fNben; j++){
1026 fscanf(fp1,"%f",&fTablen[0][k][j]);
1027 fscanf(fp2,"%f",&fTablen[1][k][j]);
1028 fscanf(fp3,"%f",&fTablen[2][k][j]);
1029 fscanf(fp4,"%f",&fTablen[3][k][j]);
1037 lightfName5 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552207s");
1038 if((fp5 = fopen(lightfName5,"r")) == NULL){
1039 printf("Cannot open file fp5 \n");
1042 lightfName6 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552208s");
1043 if((fp6 = fopen(lightfName6,"r")) == NULL){
1044 printf("Cannot open file fp6 \n");
1047 lightfName7 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552209s");
1048 if((fp7 = fopen(lightfName7,"r")) == NULL){
1049 printf("Cannot open file fp7 \n");
1052 lightfName8 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552210s");
1053 if((fp8 = fopen(lightfName8,"r")) == NULL){
1054 printf("Cannot open file fp8 \n");
1057 // printf(" --- Reading light tables for ZP and ZEM \n");
1058 for(k=0; k<fNalfap; k++){
1059 for(j=0; j<fNbep; j++){
1060 fscanf(fp5,"%f",&fTablep[0][k][j]);
1061 fscanf(fp6,"%f",&fTablep[1][k][j]);
1062 fscanf(fp7,"%f",&fTablep[2][k][j]);
1063 fscanf(fp8,"%f",&fTablep[3][k][j]);
1072 //_____________________________________________________________________________
1073 Int_t AliZDCv1::Digitize(Int_t Det, Int_t Quad, Int_t Light)
1075 // Evaluation of the ADC channel corresponding to the light yield Light
1077 // printf("\n Digitize -> Det = %d, Quad = %d, Light = %d\n", Det, Quad, Light);
1082 fPedMean[i][j] = 50.;
1083 fPedSigma[i][j] = 10.;
1084 fPMGain[i][j] = 10000000.;
1087 fADCRes = 0.00000064; // ADC Resolution: 250 fC/ADCch
1089 Float_t Ped = gRandom->Gaus(fPedMean[Det-1][Quad],fPedSigma[Det-1][Quad]);
1090 Int_t ADCch = Int_t(Light*fPMGain[Det-1][Quad]*fADCRes+Ped);
1092 // printf(" Ped = %f, ADCch = %d\n", Ped, ADCch);
1095 //_____________________________________________________________________________
1096 void AliZDCv1::FinishEvent()
1098 // Creation of the digits from hits
1101 printf("\n Event Hits --------------------------------------------------------\n");
1102 printf("\n Num. of primary hits = %d\n", fNPrimaryHits);
1106 TClonesArray &lDigits = *fDigits;
1108 AliZDCDigit *newdigit;
1111 Int_t PMCZN = 0, PMCZP = 0, PMQZN[4], PMQZP[4], PMZEM = 0;
1120 for(i=0; i<fNStHits; i++){
1121 hit = (AliZDCHit*)fStHits->At(i);
1122 Int_t det = hit->GetVolume(0);
1123 Int_t quad = hit->GetVolume(1);
1124 Int_t lightQ = Int_t(hit->GetLightPMQ());
1125 Int_t lightC = Int_t(hit->GetLightPMC());
1126 // printf(" \ni = %d, fNStHits = %d, det = %d, quad = %d,"
1127 // "lightC = %d lightQ = %d\n", i, fNStHits, det, quad, lightC, lightQ);
1130 PMCZN = PMCZN + lightC;
1131 PMQZN[quad-1] = PMQZN[quad-1] + lightQ;
1135 PMCZP = PMCZP + lightC;
1136 PMQZP[quad-1] = PMQZP[quad-1] + lightQ;
1140 PMZEM = PMZEM + lightC;
1144 // printf("\n PMCZN = %d, PMQZN[0] = %d, PMQZN[1] = %d, PMQZN[2] = %d, PMQZN[3] = %d\n"
1145 // , PMCZN, PMQZN[0], PMQZN[1], PMQZN[2], PMQZN[3]);
1146 // printf("\n PMCZP = %d, PMQZP[0] = %d, PMQZP[1] = %d, PMQZP[2] = %d, PMQZP[3] = %d\n"
1147 // , PMCZP, PMQZP[0], PMQZP[1], PMQZP[2], PMQZP[3]);
1148 // printf("\n PMZEM = %d\n", PMZEM);
1150 // ------------------------------------ Hits2Digits
1152 newdigit = new AliZDCDigit(1, 0, Digitize(1, 0, PMCZN));
1153 new(lDigits[fNdigits]) AliZDCDigit(*newdigit);
1159 newdigit = new AliZDCDigit(1, j+1, Digitize(1, j+1, PMQZN[j]));
1160 new(lDigits[fNdigits]) AliZDCDigit(*newdigit);
1166 newdigit = new AliZDCDigit(2, 0, Digitize(2, 0, PMCZP));
1167 new(lDigits[fNdigits]) AliZDCDigit(*newdigit);
1173 newdigit = new AliZDCDigit(2, k+1, Digitize(2, k+1, PMQZP[k]));
1174 new(lDigits[fNdigits]) AliZDCDigit(*newdigit);
1180 newdigit = new AliZDCDigit(3, 0, Digitize(3, 0, PMZEM));
1181 new(lDigits[fNdigits]) AliZDCDigit(*newdigit);
1186 gAlice->TreeD()->Fill();
1187 gAlice->TreeD()->Write();
1190 printf("\n Event Digits -----------------------------------------------------\n");
1195 //_____________________________________________________________________________
1196 void AliZDCv1::MakeBranch(Option_t *opt)
1199 // Create a new branch in the current Root Tree
1202 AliDetector::MakeBranch(opt);
1204 char branchname[10];
1205 sprintf(branchname,"%s",GetName());
1206 char *cD = strstr(opt,"D");
1208 if (fDigits && gAlice->TreeD() && cD) {
1209 gAlice->TreeD()->Branch(branchname,&fDigits, fBufferSize);
1210 printf("* AliZDCv1::MakeBranch * Making Branch %s for digits\n\n",branchname);
1213 //_____________________________________________________________________________
1214 void AliZDCv1::StepManager()
1217 // Routine called at every step in the Zero Degree Calorimeters
1222 Int_t vol[2], ibeta=0, ialfa, ibe, nphe;
1223 Float_t x[3], xdet[3], destep, hits[10], m, ekin, um[3], ud[3], be, radius, out;
1224 TLorentzVector s, p;
1228 if((gMC->GetMedium() == fMedSensZN) || (gMC->GetMedium() == fMedSensZP) ||
1229 (gMC->GetMedium() == fMedSensGR) || (gMC->GetMedium() == fMedSensF1) ||
1230 (gMC->GetMedium() == fMedSensF2) || (gMC->GetMedium() == fMedSensZEM) ||
1231 (gMC->GetMedium() == fMedSensPI)){
1233 // If particle interacts with beam pipe -> return
1234 if(gMC->GetMedium() == fMedSensPI){
1236 // If option NoShower is set -> StopTrack
1237 if(fNoShower==1) gMC->StopTrack();
1241 //Particle coordinates
1242 gMC->TrackPosition(s);
1243 for(j=0; j<=2; j++){
1250 // Determine in which ZDC the particle is
1251 knamed = gMC->CurrentVolName();
1252 if(!strncmp(knamed,"ZN",2))vol[0]=1;
1253 if(!strncmp(knamed,"ZP",2))vol[0]=2;
1254 if(!strncmp(knamed,"ZE",2))vol[0]=3;
1256 // Determine in which quadrant the particle is
1260 xdet[0] = x[0]-fPosZN[0];
1261 xdet[1] = x[1]-fPosZN[1];
1262 if((xdet[0]<=0.) && (xdet[1]>=0.)) vol[1]=1;
1263 if((xdet[0]>0.) && (xdet[1]>0.)) vol[1]=2;
1264 if((xdet[0]<0.) && (xdet[1]<0.)) vol[1]=3;
1265 if((xdet[0]>0.) && (xdet[1]<0.)) vol[1]=4;
1270 xdet[0] = x[0]-fPosZP[0];
1271 xdet[1] = x[1]-fPosZP[1];
1272 if(xdet[0]>fDimZP[0])xdet[0]=fDimZP[0]-0.01;
1273 if(xdet[0]<-fDimZP[0])xdet[0]=-fDimZP[0]+0.01;
1274 Float_t xqZP = xdet[0]/(fDimZP[0]/2);
1275 for(int i=1; i<=4; i++){
1276 if(xqZP>=(i-3) && xqZP<(i-2)){
1283 //ZEM has only 1 quadrant
1286 xdet[0] = x[0]-fPosZEM[0];
1287 xdet[1] = x[1]-fPosZEM[1];
1288 // printf("x %f %f xdet %f %f\n",x[0],x[1],xdet[0],xdet[1]);
1292 printf("\n-> Det. %d Quad. %d \n", vol[0], vol[1]);
1293 printf("x %f %f xdet %f %f\n",x[0],x[1],xdet[0],xdet[1]);}
1295 // Store impact point and kinetic energy of the ENTERING particle
1297 // Int_t Curtrack = gAlice->CurrentTrack();
1298 // Int_t Prim = gAlice->GetPrimary(Curtrack);
1299 // printf ("Primary: %d, Current Track: %d \n", Prim, Curtrack);
1301 // if(Curtrack==Prim){
1302 if(gMC->IsTrackEntering()){
1304 gMC->TrackMomentum(p);
1305 // printf("p[0] = %f, p[1] = %f, p[2] = %f, p[3] = %f \n",
1306 // p[0], p[1], p[2], p[3]);
1309 // Impact point on ZDC
1317 // Int_t PcID = gMC->TrackPid();
1318 // printf("Pc ID -> %d\n",PcID);
1319 AddHit(gAlice->CurrentTrack(), vol, hits);
1328 // Charged particles -> Energy loss
1329 if((destep=gMC->Edep())){
1330 if(gMC->IsTrackStop()){
1331 gMC->TrackMomentum(p);
1332 m = gMC->TrackMass();
1334 if(ekin<0.) printf("ATTENTION!!!!!!!!!!!!!!! -> ekin = %f <0 (?)",ekin);
1338 AddHit(gAlice->CurrentTrack(), vol, hits);
1344 AddHit(gAlice->CurrentTrack(), vol, hits);
1346 // printf(" -> Charged particle -> Dep. E = %f eV \n",hits[8]);
1352 // *** Light production in fibres
1353 if((gMC->GetMedium() == fMedSensF1) || (gMC->GetMedium() == fMedSensF2)){
1355 //Select charged particles
1356 if((destep=gMC->Edep())){
1357 // printf(" -> CHARGED particle!!! \n");
1359 // Particle velocity
1360 gMC->TrackMomentum(p);
1361 Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]);
1362 Float_t beta = ptot/p[3];
1363 // Int_t pcID = gMC->TrackPid();
1364 // printf(" Pc %d in quadrant %d -> beta = %f \n", pcID, vol[1], beta);
1365 if(beta<0.67) return;
1366 if((beta>=0.67) && (beta<=0.75)) ibeta = 0;
1367 if((beta>0.75) && (beta<=0.85)) ibeta = 1;
1368 if((beta>0.85) && (beta<=0.95)) ibeta = 2;
1369 // if((beta>0.95) && (beta<=1.00)) ibeta = 3;
1370 if(beta>0.95) ibeta = 3;
1372 // Angle between particle trajectory and fibre axis
1373 // 1 -> Momentum directions
1377 gMC->Gmtod(um,ud,2);
1378 // 2 -> Angle < limit angle
1379 Double_t alfar = TMath::ACos(ud[2]);
1380 Double_t alfa = alfar*kRaddeg;
1381 if(alfa>=110.) return;
1382 ialfa = Int_t(1.+alfa/2.);
1384 // Distance between particle trajectory and fibre axis
1385 gMC->TrackPosition(s);
1386 for(j=0; j<=2; j++){
1389 gMC->Gmtod(x,xdet,1);
1390 if(TMath::Abs(ud[0])>0.00001){
1391 Float_t dcoeff = ud[1]/ud[0];
1392 be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.));
1395 be = TMath::Abs(ud[0]);
1398 if((vol[0]==1)) radius = fFibZN[1];
1399 if((vol[0]==2)) radius = fFibZP[1];
1400 ibe = Int_t(be*1000.+1);
1402 //Looking into the light tables
1403 Float_t charge = gMC->TrackCharge();
1407 if(ibe>fNben) ibe=fNben;
1408 out = charge*charge*fTablen[ibeta][ialfa][ibe];
1409 nphe = gRandom->Poisson(out);
1410 if(gMC->GetMedium() == fMedSensF1){
1411 hits[7] = nphe; //fLightPMQ
1414 AddHit(gAlice->CurrentTrack(), vol, hits);
1418 hits[8] = nphe; //fLightPMC
1420 AddHit(gAlice->CurrentTrack(), vol, hits);
1426 if(ibe>fNbep) ibe=fNbep;
1427 out = charge*charge*fTablep[ibeta][ialfa][ibe];
1428 nphe = gRandom->Poisson(out);
1429 if(gMC->GetMedium() == fMedSensF1){
1430 hits[7] = nphe; //fLightPMQ
1433 AddHit(gAlice->CurrentTrack(), vol, hits);
1437 hits[8] = nphe; //fLightPMC
1439 AddHit(gAlice->CurrentTrack(), vol, hits);
1444 if(ibe>fNbep) ibe=fNbep;
1445 out = charge*charge*fTablep[ibeta][ialfa][ibe];
1446 nphe = gRandom->Poisson(out);
1447 hits[7] = nphe; //fLightPMQ
1450 AddHit(gAlice->CurrentTrack(), vol, hits);