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 ///////////////////////////////////////////////////////////////////////
20 // AliZDCv2 --- new ZDC geometry, //
21 // with the EM ZDC at about 10 m from IP //
22 // Just one set of ZDC is inserted //
23 // (on the same side of the dimuon arm realtive to IP) //
25 ///////////////////////////////////////////////////////////////////////
27 // --- Standard libraries
32 #include <TLorentzVector.h>
38 #include <TVirtualMC.h>
40 // --- AliRoot classes
42 #include "AliDetector.h"
46 #include "AliZDCHit.h"
53 //_____________________________________________________________________________
54 AliZDCv2::AliZDCv2() : AliZDC()
57 // Default constructor for Zero Degree Calorimeter
70 //_____________________________________________________________________________
71 AliZDCv2::AliZDCv2(const char *name, const char *title)
75 // Standard constructor for Zero Degree Calorimeter
78 // Check that DIPO, ABSO, DIPO and SHIL is there (otherwise tracking is wrong!!!)
80 AliModule* pipe=gAlice->GetModule("PIPE");
81 AliModule* abso=gAlice->GetModule("ABSO");
82 AliModule* dipo=gAlice->GetModule("DIPO");
83 AliModule* shil=gAlice->GetModule("SHIL");
84 if((!pipe) || (!abso) || (!dipo) || (!shil)) {
85 Error("Constructor","ZDC needs PIPE, ABSO, DIPO and SHIL!!!\n");
99 // Parameters for light tables
100 fNalfan = 90; // Number of Alfa (neutrons)
101 fNalfap = 90; // Number of Alfa (protons)
102 fNben = 18; // Number of beta (neutrons)
103 fNbep = 28; // Number of beta (protons)
105 for(ip=0; ip<4; ip++){
106 for(kp=0; kp<fNalfap; kp++){
107 for(jp=0; jp<fNbep; jp++){
108 fTablep[ip][kp][jp] = 0;
113 for(in=0; in<4; in++){
114 for(kn=0; kn<fNalfan; kn++){
115 for(jn=0; jn<fNben; jn++){
116 fTablen[in][kn][jn] = 0;
121 // Parameters for hadronic calorimeters geometry
141 // Parameters for EM calorimeter geometry
149 //_____________________________________________________________________________
150 void AliZDCv2::CreateGeometry()
153 // Create the geometry for the Zero Degree Calorimeter version 2
154 //* Initialize COMMON block ZDC_CGEOM
161 //_____________________________________________________________________________
162 void AliZDCv2::CreateBeamLine()
165 // Create the beam line elements
168 Float_t zq, zd1, zd2;
169 Float_t conpar[9], tubpar[3], tubspar[5], boxpar[3];
172 Int_t *idtmed = fIdtmed->GetArray();
174 // -- Mother of the ZDCs (Vacuum PCON)
176 gMC->Matrix(irotM,90.,180.,90.,90.,180.,0.);
189 gMC->Gsvolu("ZDC ", "PCON", idtmed[11], conpar, 9);
190 gMC->Gspos("ZDC ", 1, "ALIC", 0., 0., 0., irotM, "ONLY");
192 // -- FIRST SECTION OF THE BEAM PIPE (from compensator dipole to
193 // the beginning of D1)
197 // From beginning of ZDC volumes to beginning of D1
198 tubpar[2] = (5838.3-zd1)/2.;
199 gMC->Gsvolu("QT01", "TUBE", idtmed[7], tubpar, 3);
200 gMC->Gspos("QT01", 1, "ZDC ", 0., 0., tubpar[2]+zd1, 0, "ONLY");
202 //-- SECOND SECTION OF THE BEAM PIPE (from the end of D1 to the
205 //-- FROM MAGNETIC BEGINNING OF D1 TO MAGNETIC END OF D1 + 13.5 cm
206 //-- Cylindrical pipe (r = 3.47) + conical flare
208 // -> Beginning of D1
212 tubpar[1] = 3.47+0.2;
213 tubpar[2] = 958.5/2.;
214 gMC->Gsvolu("QT02", "TUBE", idtmed[7], tubpar, 3);
215 gMC->Gspos("QT02", 1, "ZDC ", 0., 0., tubpar[2]+zd1, 0, "ONLY");
224 gMC->Gsvolu("QC01", "CONE", idtmed[7], conpar, 5);
225 gMC->Gspos("QC01", 1, "ZDC ", 0., 0., conpar[0]+zd1, 0, "ONLY");
232 gMC->Gsvolu("QT03", "TUBE", idtmed[7], tubpar, 3);
233 gMC->Gspos("QT03", 1, "ZDC ", 0., 0., tubpar[2]+zd1, 0, "ONLY");
240 gMC->Gsvolu("QT04", "TUBE", idtmed[7], tubpar, 3);
241 gMC->Gspos("QT04", 1, "ZDC ", 0., 0., tubpar[2]+zd1, 0, "ONLY");
243 zd1 += tubpar[2] * 2.;
248 gMC->Gsvolu("QT05", "TUBE", idtmed[7], tubpar, 3);
249 gMC->Gspos("QT05", 1, "ZDC ", 0., 0., tubpar[0]+zd1, 0, "ONLY");
251 zd1 += tubpar[2] * 2.;
256 gMC->Gsvolu("QT06", "TUBE", idtmed[7], tubpar, 3);
257 gMC->Gspos("QT06", 1, "ZDC ", 0., 0., tubpar[2]+zd1, 0, "ONLY");
259 zd1 += tubpar[2] * 2.;
266 gMC->Gsvolu("QC02", "CONE", idtmed[7], conpar, 5);
267 gMC->Gspos("QC02", 1, "ZDC ", 0., 0., conpar[0]+zd1, 0, "ONLY");
269 zd1 += conpar[0] * 2.;
274 gMC->Gsvolu("QT07", "TUBE", idtmed[7], tubpar, 3);
275 gMC->Gspos("QT07", 1, "ZDC ", 0., 0., tubpar[2]+zd1, 0, "ONLY");
277 zd1 += tubpar[2] * 2.;
284 gMC->Gsvolu("QC03", "CONE", idtmed[7], conpar, 5);
285 gMC->Gspos("QC03", 1, "ZDC ", 0., 0., conpar[0]+zd1, 0, "ONLY");
287 zd1 += conpar[0] * 2.;
291 tubpar[2] = 205.8/2.;
292 gMC->Gsvolu("QT08", "TUBE", idtmed[7], tubpar, 3);
293 gMC->Gspos("QT08", 1, "ZDC ", 0., 0., tubpar[2]+zd1, 0, "ONLY");
295 zd1 += tubpar[2] * 2.;
299 // QT09 is 10 cm longer to accomodate TDI
300 tubpar[2] = 515.4/2.;
301 gMC->Gsvolu("QT09", "TUBE", idtmed[7], tubpar, 3);
302 gMC->Gspos("QT09", 1, "ZDC ", 0., 0., tubpar[2]+zd1, 0, "ONLY");
304 // --- Insert TDI (inside ZDC volume)
309 gMC->Gsvolu("QTD1", "BOX ", idtmed[7], boxpar, 3);
310 gMC->Gspos("QTD1", 1, "ZDC ", 3., 10.6, tubpar[2]+zd1+56.3, 0, "ONLY");
311 gMC->Gspos("QTD1", 2, "ZDC ", 3., -10.6, tubpar[2]+zd1+56.3, 0, "ONLY");
316 gMC->Gsvolu("QTD2", "BOX ", idtmed[6], boxpar, 3);
317 gMC->Gspos("QTD2", 1, "ZDC ", 8.6+boxpar[0], 0., tubpar[2]+zd1+56.3, 0, "ONLY");
319 // tubspar[0] = 6.2; // R = 6.2 cm----------------------------------------
321 // tubspar[2] = 400./2.;
322 // tubspar[3] = 180.-62.5;
323 // tubspar[4] = 180.+62.5;
324 tubspar[0] = 10.5; // R = 10.5 cm------------------------------------------
326 tubspar[2] = 400./2.;
327 tubspar[3] = 180.-75.5;
328 tubspar[4] = 180.+75.5;
329 gMC->Gsvolu("QTD3", "TUBS", idtmed[6], tubspar, 5);
330 gMC->Gspos("QTD3", 1, "ZDC ", 0., 0., tubpar[2]+zd1+56.3, 0, "ONLY");
332 zd1 += tubpar[2] * 2.;
336 // QT10 is 10 cm shorter
338 gMC->Gsvolu("QT10", "TUBE", idtmed[7], tubpar, 3);
339 gMC->Gspos("QT10", 1, "ZDC ", 0., 0., tubpar[2]+zd1, 0, "ONLY");
341 zd1 += tubpar[2] * 2.;
345 tubpar[2] = 778.5/2.;
346 gMC->Gsvolu("QT11", "TUBE", idtmed[7], tubpar, 3);
347 gMC->Gspos("QT11", 1, "ZDC ", 0., 0., tubpar[2]+zd1, 0, "ONLY");
349 zd1 += tubpar[2] * 2.;
351 conpar[0] = 14.18/2.;
356 gMC->Gsvolu("QC04", "CONE", idtmed[7], conpar, 5);
357 gMC->Gspos("QC04", 1, "ZDC ", 0., 0., conpar[0]+zd1, 0, "ONLY");
359 zd1 += conpar[0] * 2.;
364 gMC->Gsvolu("QT12", "TUBE", idtmed[7], tubpar, 3);
365 gMC->Gspos("QT12", 1, "ZDC ", 0., 0., tubpar[2]+zd1, 0, "ONLY");
367 zd1 += tubpar[2] * 2.;
369 conpar[0] = 36.86/2.;
374 gMC->Gsvolu("QC05", "CONE", idtmed[7], conpar, 5);
375 gMC->Gspos("QC05", 1, "ZDC ", 0., 0., conpar[0]+zd1, 0, "ONLY");
377 zd1 += conpar[0] * 2.;
381 tubpar[2] = 927.3/2.;
382 gMC->Gsvolu("QT13", "TUBE", idtmed[7], tubpar, 3);
383 gMC->Gspos("QT13", 1, "ZDC ", 0., 0., tubpar[2]+zd1, 0, "ONLY");
385 zd1 += tubpar[2] * 2.;
390 gMC->Gsvolu("QT14", "TUBE", idtmed[8], tubpar, 3);
391 gMC->Gspos("QT14", 1, "ZDC ", 0., 0., tubpar[2]+zd1, 0, "ONLY");
393 zd1 += tubpar[2] * 2.;
398 gMC->Gsvolu("QT15", "TUBE", idtmed[11], tubpar, 3);
400 //-- Position QT15 inside QT14
401 gMC->Gspos("QT15", 1, "QT14", -7.7, 0., 0., 0, "ONLY");
406 gMC->Gsvolu("QT16", "TUBE", idtmed[11], tubpar, 3);
408 //-- Position QT16 inside QT14
409 gMC->Gspos("QT16", 1, "QT14", 7.7, 0., 0., 0, "ONLY");
412 //-- BEAM PIPE BETWEEN END OF CONICAL PIPE AND BEGINNING OF D2
416 tubpar[2] = 680.8/2.;
417 gMC->Gsvolu("QT17", "TUBE", idtmed[7], tubpar, 3);
421 tubpar[2] = 680.8/2.;
422 gMC->Gsvolu("QT18", "TUBE", idtmed[7], tubpar, 3);
426 Float_t angle = 0.143*kDegrad;
428 AliMatrix(im1, 90.-0.143, 0., 90., 90., 0.143, 180.);
429 gMC->Gspos("QT17", 1, "ZDC ", TMath::Sin(angle) * 680.8/ 2. - 9.4,
430 0., tubpar[2]+zd1, im1, "ONLY");
432 AliMatrix(im2, 90.+0.143, 0., 90., 90., 0.143, 0.);
433 gMC->Gspos("QT18", 1, "ZDC ", 9.7 - TMath::Sin(angle) * 680.8 / 2.,
434 0., tubpar[2]+zd1, im2, "ONLY");
436 // -- END OF BEAM PIPE VOLUME DEFINITION.
437 // ----------------------------------------------------------------
439 // ----------------------------------------------------------------
440 // -- MAGNET DEFINITION -> LHC OPTICS 6.4
441 // ----------------------------------------------------------------
446 // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT
449 // -- GAP (VACUUM WITH MAGNETIC FIELD)
454 gMC->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3);
461 gMC->Gsvolu("YMQL", "TUBE", idtmed[7], tubpar, 3);
463 gMC->Gspos("MQXL", 1, "ZDC ", 0., 0., tubpar[2]+zq, 0, "ONLY");
464 gMC->Gspos("YMQL", 1, "ZDC ", 0., 0., tubpar[2]+zq, 0, "ONLY");
466 gMC->Gspos("MQXL", 2, "ZDC ", 0., 0., tubpar[2]+zq+2430., 0, "ONLY");
467 gMC->Gspos("YMQL", 2, "ZDC ", 0., 0., tubpar[2]+zq+2430., 0, "ONLY");
470 // -- GAP (VACUUM WITH MAGNETIC FIELD)
475 gMC->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3);
482 gMC->Gsvolu("YMQ ", "TUBE", idtmed[7], tubpar, 3);
484 gMC->Gspos("MQX ", 1, "ZDC ", 0., 0., tubpar[2]+zq+908.5, 0, "ONLY");
485 gMC->Gspos("YMQ ", 1, "ZDC ", 0., 0., tubpar[2]+zq+908.5, 0, "ONLY");
487 gMC->Gspos("MQX ", 2, "ZDC ", 0., 0., tubpar[2]+zq+1558.5, 0, "ONLY");
488 gMC->Gspos("YMQ ", 2, "ZDC ", 0., 0., tubpar[2]+zq+1558.5, 0, "ONLY");
490 // -- SEPARATOR DIPOLE D1
494 // -- GAP (VACUUM WITH MAGNETIC FIELD)
499 gMC->Gsvolu("MD1 ", "TUBE", idtmed[11], tubpar, 3);
501 // -- Insert horizontal Cu plates inside D1
502 // -- (to simulate the vacuum chamber)
504 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.98+0.2)*(2.98+0.2)) - 0.05;
507 gMC->Gsvolu("MD1V", "BOX ", idtmed[6], boxpar, 3);
508 gMC->Gspos("MD1V", 1, "MD1 ", 0., 2.98+boxpar[1], 0., 0, "ONLY");
509 gMC->Gspos("MD1V", 2, "MD1 ", 0., -2.98-boxpar[1], 0., 0, "ONLY");
516 gMC->Gsvolu("YD1 ", "TUBE", idtmed[7], tubpar, 3);
518 gMC->Gspos("YD1 ", 1, "ZDC ", 0., 0., tubpar[2]+zd1, 0, "ONLY");
519 gMC->Gspos("MD1 ", 1, "YD1 ", 0., 0., 0., 0, "ONLY");
524 // --- LHC optics v6.4
527 // -- GAP (VACUUM WITH MAGNETIC FIELD)
532 gMC->Gsvolu("MD2 ", "TUBE", idtmed[11], tubpar, 3);
539 gMC->Gsvolu("YD2 ", "TUBE", idtmed[7], tubpar, 3);
541 gMC->Gspos("YD2 ", 1, "ZDC ", 0., 0., tubpar[2]+zd2, 0, "ONLY");
543 gMC->Gspos("MD2 ", 1, "YD2 ", -9.4, 0., 0., 0, "ONLY");
544 gMC->Gspos("MD2 ", 2, "YD2 ", 9.4, 0., 0., 0, "ONLY");
546 // -- END OF MAGNET DEFINITION
549 //_____________________________________________________________________________
550 void AliZDCv2::CreateZDC()
553 // Create the various ZDCs (ZN + ZP)
556 Float_t dimPb[6], dimVoid[6];
558 Int_t *idtmed = fIdtmed->GetArray();
560 // Parameters for hadronic calorimeters geometry
561 // NB -> parameters used ONLY in CreateZDC()
562 Float_t fGrvZN[3] = {0.03, 0.03, 50.}; // Grooves for neutron detector
563 Float_t fGrvZP[3] = {0.04, 0.04, 75.}; // Grooves for proton detector
564 Int_t fDivZN[3] = {11, 11, 0}; // Division for neutron detector
565 Int_t fDivZP[3] = {7, 15, 0}; // Division for proton detector
566 Int_t fTowZN[2] = {2, 2}; // Tower for neutron detector
567 Int_t fTowZP[2] = {4, 1}; // Tower for proton detector
569 // Parameters for EM calorimeter geometry
570 // NB -> parameters used ONLY in CreateZDC()
571 Float_t fDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
572 Float_t fDimZEMAir = 0.001; // scotch
573 Float_t fFibRadZEM = 0.0315; // External fiber radius (including cladding)
574 Int_t fDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
575 Float_t fDimZEM0 = 2*fDivZEM[2]*(fDimZEMPb+fDimZEMAir+fFibRadZEM*(TMath::Sqrt(2.)));
576 fZEMLength = fDimZEM0;
577 Float_t fDimZEM[6] = {fDimZEM0, 3.5, 3.5, 45., 0., 0.}; // Dimensions of EM detector
578 Float_t fFibZEM2 = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-fFibRadZEM;
579 Float_t fFibZEM[3] = {0., 0.0275, fFibZEM2}; // Fibers for EM calorimeter
582 //-- Create calorimeters geometry
584 // -------------------------------------------------------------------------------
585 //--> Neutron calorimeter (ZN)
587 gMC->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material
588 gMC->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material
589 gMC->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3);
590 gMC->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3);
591 gMC->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3);
592 gMC->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves
593 gMC->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3);
594 gMC->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3);
595 gMC->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3);
597 // Divide ZNEU in towers (for hits purposes)
599 gMC->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower
600 gMC->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower
602 //-- Divide ZN1 in minitowers
603 // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS,
604 // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS
605 // (4 fibres per minitower)
607 gMC->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices
608 gMC->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks
610 // --- Position the empty grooves in the sticks (4 grooves per stick)
611 Float_t dx = fDimZN[0] / fDivZN[0] / 4.;
612 Float_t dy = fDimZN[1] / fDivZN[1] / 4.;
614 gMC->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY");
615 gMC->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY");
616 gMC->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY");
617 gMC->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY");
619 // --- Position the fibers in the grooves
620 gMC->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY");
621 gMC->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY");
622 gMC->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY");
623 gMC->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY");
625 // --- Position the neutron calorimeter in ZDC
626 gMC->Gspos("ZNEU", 1, "ZDC ", fPosZN[0], fPosZN[1], fPosZN[2]+fDimZN[2], 0, "ONLY");
629 // -------------------------------------------------------------------------------
630 //--> Proton calorimeter (ZP)
632 gMC->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material
633 gMC->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material
634 gMC->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3);
635 gMC->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3);
636 gMC->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3);
637 gMC->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves
638 gMC->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3);
639 gMC->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3);
640 gMC->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3);
642 //-- Divide ZPRO in towers(for hits purposes)
644 gMC->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower
645 gMC->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower
648 //-- Divide ZP1 in minitowers
649 // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER,
650 // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER
651 // (4 fiber per minitower)
653 gMC->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices
654 gMC->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks
656 // --- Position the empty grooves in the sticks (4 grooves per stick)
657 dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.;
658 dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.;
660 gMC->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY");
661 gMC->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY");
662 gMC->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY");
663 gMC->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY");
665 // --- Position the fibers in the grooves
666 gMC->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY");
667 gMC->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY");
668 gMC->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY");
669 gMC->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY");
672 // --- Position the proton calorimeter in ZDC
673 gMC->Gspos("ZPRO", 1, "ZDC ", fPosZP[0], fPosZP[1], fPosZP[2]+fDimZP[2], 0, "ONLY");
676 // -------------------------------------------------------------------------------
677 // -> EM calorimeter (ZEM)
679 gMC->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6);
682 gMC->Matrix(irot1,0.,0.,90.,90.,-90.,0.); // Rotation matrix 1
683 gMC->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]);// Rotation matrix 2
684 //printf("irot1 = %d, irot2 = %d \n", irot1, irot2);
686 gMC->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material
688 gMC->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches
690 dimPb[0] = fDimZEMPb; // Lead slices
691 dimPb[1] = fDimZEM[2];
692 dimPb[2] = fDimZEM[1];
693 dimPb[3] = 90.-fDimZEM[3];
696 gMC->Gsvolu("ZEL0", "PARA", idtmed[5], dimPb, 6);
697 gMC->Gsvolu("ZEL1", "PARA", idtmed[5], dimPb, 6);
698 //gMC->Gsvolu("ZEL2", "PARA", idtmed[5], dimPb, 6);
700 // --- Position the lead slices in the tranche
701 Float_t zTran = fDimZEM[0]/fDivZEM[2];
702 Float_t zTrPb = -zTran+fDimZEMPb;
703 gMC->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY");
704 gMC->Gspos("ZEL1", 1, "ZETR", fDimZEMPb, 0., 0., 0, "ONLY");
706 // --- Vacuum zone (to be filled with fibres)
707 dimVoid[0] = (zTran-2*fDimZEMPb)/2.;
708 dimVoid[1] = fDimZEM[2];
709 dimVoid[2] = fDimZEM[1];
710 dimVoid[3] = 90.-fDimZEM[3];
713 gMC->Gsvolu("ZEV0", "PARA", idtmed[10], dimVoid,6);
714 gMC->Gsvolu("ZEV1", "PARA", idtmed[10], dimVoid,6);
716 // --- Divide the vacuum slice into sticks along x axis
717 gMC->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3);
718 gMC->Gsdvn("ZES1", "ZEV1", fDivZEM[0], 3);
720 // --- Positioning the fibers into the sticks
721 gMC->Gspos("ZEMF", 1,"ZES0", 0., 0., 0., irot2, "ONLY");
722 gMC->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY");
724 // --- Positioning the vacuum slice into the tranche
725 Float_t displFib = fDimZEM[1]/fDivZEM[0];
726 gMC->Gspos("ZEV0", 1,"ZETR", -dimVoid[0], 0., 0., 0, "ONLY");
727 gMC->Gspos("ZEV1", 1,"ZETR", -dimVoid[0]+zTran, 0., displFib, 0, "ONLY");
729 // --- Positioning the ZEM into the ZDC - rotation for 90 degrees
730 // NB -> In AliZDCv2 ZEM is positioned in ALIC (instead of in ZDC) volume
731 // beacause it's impossible to make a ZDC pcon volume to contain
732 // both hadronics and EM calorimeters.
733 gMC->Gspos("ZEM ", 1,"ALIC", fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
735 // Second EM ZDC (same side w.r.t. IP, just on the other side w.r.t. beam pipe)
736 gMC->Gspos("ZEM ", 2,"ALIC", -fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
738 // --- Adding last slice at the end of the EM calorimeter
739 // Float_t zLastSlice = fPosZEM[2]+fDimZEMPb+fDimZEM[0];
740 // gMC->Gspos("ZEL2", 1,"ALIC", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY");
744 //_____________________________________________________________________________
745 void AliZDCv2::DrawModule() const
748 // Draw a shaded view of the Zero Degree Calorimeter version 1
751 // Set everything unseen
752 gMC->Gsatt("*", "seen", -1);
754 // Set ALIC mother transparent
755 gMC->Gsatt("ALIC","SEEN",0);
757 // Set the volumes visible
758 gMC->Gsatt("ZDC ","SEEN",0);
759 gMC->Gsatt("QT01","SEEN",1);
760 gMC->Gsatt("QT02","SEEN",1);
761 gMC->Gsatt("QT03","SEEN",1);
762 gMC->Gsatt("QT04","SEEN",1);
763 gMC->Gsatt("QT05","SEEN",1);
764 gMC->Gsatt("QT06","SEEN",1);
765 gMC->Gsatt("QT07","SEEN",1);
766 gMC->Gsatt("QT08","SEEN",1);
767 gMC->Gsatt("QT09","SEEN",1);
768 gMC->Gsatt("QT10","SEEN",1);
769 gMC->Gsatt("QT11","SEEN",1);
770 gMC->Gsatt("QT12","SEEN",1);
771 gMC->Gsatt("QT13","SEEN",1);
772 gMC->Gsatt("QT14","SEEN",1);
773 gMC->Gsatt("QT15","SEEN",1);
774 gMC->Gsatt("QT16","SEEN",1);
775 gMC->Gsatt("QT17","SEEN",1);
776 gMC->Gsatt("QT18","SEEN",1);
777 gMC->Gsatt("QC01","SEEN",1);
778 gMC->Gsatt("QC02","SEEN",1);
779 gMC->Gsatt("QC03","SEEN",1);
780 gMC->Gsatt("QC04","SEEN",1);
781 gMC->Gsatt("QC05","SEEN",1);
782 gMC->Gsatt("QTD1","SEEN",1);
783 gMC->Gsatt("QTD2","SEEN",1);
784 gMC->Gsatt("QTD3","SEEN",1);
785 gMC->Gsatt("MQXL","SEEN",1);
786 gMC->Gsatt("YMQL","SEEN",1);
787 gMC->Gsatt("MQX ","SEEN",1);
788 gMC->Gsatt("YMQ ","SEEN",1);
789 gMC->Gsatt("ZQYX","SEEN",1);
790 gMC->Gsatt("MD1 ","SEEN",1);
791 gMC->Gsatt("MD1V","SEEN",1);
792 gMC->Gsatt("YD1 ","SEEN",1);
793 gMC->Gsatt("MD2 ","SEEN",1);
794 gMC->Gsatt("YD2 ","SEEN",1);
795 gMC->Gsatt("ZNEU","SEEN",0);
796 gMC->Gsatt("ZNF1","SEEN",0);
797 gMC->Gsatt("ZNF2","SEEN",0);
798 gMC->Gsatt("ZNF3","SEEN",0);
799 gMC->Gsatt("ZNF4","SEEN",0);
800 gMC->Gsatt("ZNG1","SEEN",0);
801 gMC->Gsatt("ZNG2","SEEN",0);
802 gMC->Gsatt("ZNG3","SEEN",0);
803 gMC->Gsatt("ZNG4","SEEN",0);
804 gMC->Gsatt("ZNTX","SEEN",0);
805 gMC->Gsatt("ZN1 ","COLO",4);
806 gMC->Gsatt("ZN1 ","SEEN",1);
807 gMC->Gsatt("ZNSL","SEEN",0);
808 gMC->Gsatt("ZNST","SEEN",0);
809 gMC->Gsatt("ZPRO","SEEN",0);
810 gMC->Gsatt("ZPF1","SEEN",0);
811 gMC->Gsatt("ZPF2","SEEN",0);
812 gMC->Gsatt("ZPF3","SEEN",0);
813 gMC->Gsatt("ZPF4","SEEN",0);
814 gMC->Gsatt("ZPG1","SEEN",0);
815 gMC->Gsatt("ZPG2","SEEN",0);
816 gMC->Gsatt("ZPG3","SEEN",0);
817 gMC->Gsatt("ZPG4","SEEN",0);
818 gMC->Gsatt("ZPTX","SEEN",0);
819 gMC->Gsatt("ZP1 ","COLO",6);
820 gMC->Gsatt("ZP1 ","SEEN",1);
821 gMC->Gsatt("ZPSL","SEEN",0);
822 gMC->Gsatt("ZPST","SEEN",0);
823 gMC->Gsatt("ZEM ","COLO",7);
824 gMC->Gsatt("ZEM ","SEEN",1);
825 gMC->Gsatt("ZEMF","SEEN",0);
826 gMC->Gsatt("ZETR","SEEN",0);
827 gMC->Gsatt("ZEL0","SEEN",0);
828 gMC->Gsatt("ZEL1","SEEN",0);
829 gMC->Gsatt("ZEL2","SEEN",0);
830 gMC->Gsatt("ZEV0","SEEN",0);
831 gMC->Gsatt("ZEV1","SEEN",0);
832 gMC->Gsatt("ZES0","SEEN",0);
833 gMC->Gsatt("ZES1","SEEN",0);
836 gMC->Gdopt("hide", "on");
837 gMC->Gdopt("shad", "on");
838 gMC->Gsatt("*", "fill", 7);
839 gMC->SetClipBox(".");
840 gMC->SetClipBox("*", 0, 100, -100, 100, 12000, 16000);
842 gMC->Gdraw("alic", 40, 30, 0, 488, 220, .07, .07);
843 gMC->Gdhead(1111, "Zero Degree Calorimeter Version 1");
844 gMC->Gdman(18, 4, "MAN");
847 //_____________________________________________________________________________
848 void AliZDCv2::CreateMaterials()
851 // Create Materials for the Zero Degree Calorimeter
854 Int_t *idtmed = fIdtmed->GetArray();
856 Float_t dens, ubuf[1], wmat[2], a[2], z[2], deemax = -1;
859 // --- Store in UBUF r0 for nuclear radius calculation R=r0*A**1/3
861 // --- Tantalum -> ZN passive material
863 AliMaterial(1, "TANT", 180.95, 73., 16.65, .4, 11.9, ubuf, 1);
867 // AliMaterial(1, "TUNG", 183.85, 74., 19.3, .35, 10.3, ubuf, 1);
869 // --- Brass (CuZn) -> ZP passive material
877 AliMixture(2, "BRASS ", a, z, dens, 2, wmat);
887 AliMixture(3, "SIO2 ", a, z, dens, -2, wmat);
891 AliMaterial(5, "LEAD", 207.19, 82., 11.35, .56, 18.5, ubuf, 1);
895 AliMaterial(6, "COPP", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
897 // --- Iron (energy loss taken into account)
899 AliMaterial(7, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
901 // --- Iron (no energy loss)
903 AliMaterial(8, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
905 // --- Vacuum (no magnetic field)
906 AliMaterial(10, "VOID", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
908 // --- Vacuum (with magnetic field)
909 AliMaterial(11, "VOIM", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
911 // --- Air (no magnetic field)
912 AliMaterial(12, "Air $", 14.61, 7.3, .001205, 30420., 67500., ubuf, 0);
914 // --- Definition of tracking media:
916 // --- Tantalum = 1 ;
918 // --- Fibers (SiO2) = 3 ;
919 // --- Fibers (SiO2) = 4 ;
922 // --- Iron (with energy loss) = 7 ;
923 // --- Iron (without energy loss) = 8 ;
924 // --- Vacuum (no field) = 10
925 // --- Vacuum (with field) = 11
926 // --- Air (no field) = 12
929 // --- Tracking media parameters
930 Float_t epsil = .01, stmin=0.01, stemax = 1.;
931 // Int_t isxfld = gAlice->Field()->Integ();
932 Float_t fieldm = 0., tmaxfd = 0.;
933 Int_t ifield = 0, isvolActive = 1, isvol = 0, inofld = 0;
935 AliMedium(1, "ZTANT", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
936 // AliMedium(1, "ZW", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
937 AliMedium(2, "ZBRASS",2, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
938 AliMedium(3, "ZSIO2", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
939 AliMedium(4, "ZQUAR", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
940 AliMedium(5, "ZLEAD", 5, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
941 // AliMedium(6, "ZCOPP", 6, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
942 // AliMedium(7, "ZIRON", 7, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
943 AliMedium(6, "ZCOPP", 6, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
944 AliMedium(7, "ZIRON", 7, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
945 AliMedium(8, "ZIRONN",8, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
946 AliMedium(10,"ZVOID",10, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
947 AliMedium(12,"ZAIR", 12, 0, inofld, fieldm, tmaxfd, stemax,deemax, epsil, stmin);
951 AliMedium(11, "ZVOIM", 11, isvol, ifield, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
953 // Thresholds for showering in the ZDCs
955 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
956 gMC->Gstpar(idtmed[i], "CUTELE", .001);
957 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
958 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
960 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
961 gMC->Gstpar(idtmed[i], "CUTELE", .001);
962 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
963 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
965 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
966 gMC->Gstpar(idtmed[i], "CUTELE", .001);
967 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
968 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
970 // Avoid too detailed showering in TDI
972 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
973 gMC->Gstpar(idtmed[i], "CUTELE", .1);
974 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
975 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
977 // Avoid too detailed showering along the beam line
978 i = 7; //iron with energy loss (ZIRON)
979 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
980 gMC->Gstpar(idtmed[i], "CUTELE", .1);
981 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
982 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
984 // Avoid too detailed showering along the beam line
985 i = 8; //iron with energy loss (ZIRONN)
986 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
987 gMC->Gstpar(idtmed[i], "CUTELE", .1);
988 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
989 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
991 // Avoid interaction in fibers (only energy loss allowed)
992 i = 3; //fibers (ZSI02)
993 gMC->Gstpar(idtmed[i], "DCAY", 0.);
994 gMC->Gstpar(idtmed[i], "MULS", 0.);
995 gMC->Gstpar(idtmed[i], "PFIS", 0.);
996 gMC->Gstpar(idtmed[i], "MUNU", 0.);
997 gMC->Gstpar(idtmed[i], "LOSS", 1.);
998 gMC->Gstpar(idtmed[i], "PHOT", 0.);
999 gMC->Gstpar(idtmed[i], "COMP", 0.);
1000 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1001 gMC->Gstpar(idtmed[i], "BREM", 0.);
1002 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1003 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1004 gMC->Gstpar(idtmed[i], "HADR", 0.);
1005 i = 4; //fibers (ZQUAR)
1006 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1007 gMC->Gstpar(idtmed[i], "MULS", 0.);
1008 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1009 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1010 gMC->Gstpar(idtmed[i], "LOSS", 1.);
1011 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1012 gMC->Gstpar(idtmed[i], "COMP", 0.);
1013 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1014 gMC->Gstpar(idtmed[i], "BREM", 0.);
1015 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1016 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1017 gMC->Gstpar(idtmed[i], "HADR", 0.);
1019 // Avoid interaction in void
1020 i = 11; //void with field
1021 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1022 gMC->Gstpar(idtmed[i], "MULS", 0.);
1023 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1024 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1025 gMC->Gstpar(idtmed[i], "LOSS", 0.);
1026 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1027 gMC->Gstpar(idtmed[i], "COMP", 0.);
1028 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1029 gMC->Gstpar(idtmed[i], "BREM", 0.);
1030 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1031 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1032 gMC->Gstpar(idtmed[i], "HADR", 0.);
1035 fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material
1036 fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material
1037 fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1
1038 fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2
1039 fMedSensZEM = idtmed[5]; // Sensitive volume: ZEM passive material
1040 fMedSensTDI = idtmed[6]; // Sensitive volume: TDI Cu shield
1041 fMedSensPI = idtmed[7]; // Sensitive volume: beam pipes
1042 fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves
1045 //_____________________________________________________________________________
1046 void AliZDCv2::Init()
1051 //_____________________________________________________________________________
1052 void AliZDCv2::InitTables()
1055 // Read light tables for Cerenkov light production parameterization
1060 char *lightfName1,*lightfName2,*lightfName3,*lightfName4,
1061 *lightfName5,*lightfName6,*lightfName7,*lightfName8;
1062 FILE *fp1, *fp2, *fp3, *fp4, *fp5, *fp6, *fp7, *fp8;
1064 // --- Reading light tables for ZN
1065 lightfName1 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362207s");
1066 if((fp1 = fopen(lightfName1,"r")) == NULL){
1067 printf("Cannot open file fp1 \n");
1070 lightfName2 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362208s");
1071 if((fp2 = fopen(lightfName2,"r")) == NULL){
1072 printf("Cannot open file fp2 \n");
1075 lightfName3 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362209s");
1076 if((fp3 = fopen(lightfName3,"r")) == NULL){
1077 printf("Cannot open file fp3 \n");
1080 lightfName4 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362210s");
1081 if((fp4 = fopen(lightfName4,"r")) == NULL){
1082 printf("Cannot open file fp4 \n");
1086 for(k=0; k<fNalfan; k++){
1087 for(j=0; j<fNben; j++){
1088 fscanf(fp1,"%f",&fTablen[0][k][j]);
1089 fscanf(fp2,"%f",&fTablen[1][k][j]);
1090 fscanf(fp3,"%f",&fTablen[2][k][j]);
1091 fscanf(fp4,"%f",&fTablen[3][k][j]);
1099 // --- Reading light tables for ZP and ZEM
1100 lightfName5 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552207s");
1101 if((fp5 = fopen(lightfName5,"r")) == NULL){
1102 printf("Cannot open file fp5 \n");
1105 lightfName6 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552208s");
1106 if((fp6 = fopen(lightfName6,"r")) == NULL){
1107 printf("Cannot open file fp6 \n");
1110 lightfName7 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552209s");
1111 if((fp7 = fopen(lightfName7,"r")) == NULL){
1112 printf("Cannot open file fp7 \n");
1115 lightfName8 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552210s");
1116 if((fp8 = fopen(lightfName8,"r")) == NULL){
1117 printf("Cannot open file fp8 \n");
1121 for(k=0; k<fNalfap; k++){
1122 for(j=0; j<fNbep; j++){
1123 fscanf(fp5,"%f",&fTablep[0][k][j]);
1124 fscanf(fp6,"%f",&fTablep[1][k][j]);
1125 fscanf(fp7,"%f",&fTablep[2][k][j]);
1126 fscanf(fp8,"%f",&fTablep[3][k][j]);
1134 //_____________________________________________________________________________
1135 void AliZDCv2::StepManager()
1138 // Routine called at every step in the Zero Degree Calorimeters
1141 Int_t j, vol[2], ibeta=0, ialfa, ibe, nphe;
1142 Float_t x[3], xdet[3], destep, hits[10], m, ekin, um[3], ud[3], be, radius, out;
1143 Float_t xalic[3], z, guiEff, guiPar[4]={0.31,-0.0004,0.0197,0.7958};
1144 TLorentzVector s, p;
1147 for (j=0;j<10;j++) hits[j]=0;
1149 // --- This part is for no shower developement in beam pipe and TDI
1150 // If particle interacts with beam pipe or TDI -> return
1151 if((gMC->GetMedium() == fMedSensPI) || (gMC->GetMedium() == fMedSensTDI)){
1152 // If option NoShower is set -> StopTrack
1154 if(gMC->GetMedium() == fMedSensPI) {
1155 knamed = gMC->CurrentVolName();
1156 if((!strncmp(knamed,"MQ",2)) || (!strncmp(knamed,"YM",2))) fpLostIT += 1;
1157 if((!strncmp(knamed,"MD1",3))|| (!strncmp(knamed,"YD1",2))) fpLostD1 += 1;
1159 else if(gMC->GetMedium() == fMedSensTDI) fpLostTDI += 1;
1161 //printf("\n # of p lost in Inner Triplet = %d\n",fpLostIT);
1162 //printf("\n # of p lost in D1 = %d\n",fpLostD1);
1163 //printf("\n # of p lost in TDI = %d\n\n",fpLostTDI);
1168 if((gMC->GetMedium() == fMedSensZN) || (gMC->GetMedium() == fMedSensZP) ||
1169 (gMC->GetMedium() == fMedSensGR) || (gMC->GetMedium() == fMedSensF1) ||
1170 (gMC->GetMedium() == fMedSensF2) || (gMC->GetMedium() == fMedSensZEM)){
1173 //Particle coordinates
1174 gMC->TrackPosition(s);
1175 for(j=0; j<=2; j++){
1182 // Determine in which ZDC the particle is
1183 knamed = gMC->CurrentVolName();
1184 if(!strncmp(knamed,"ZN",2)){
1187 else if(!strncmp(knamed,"ZP",2)){
1190 else if(!strncmp(knamed,"ZE",2)){
1194 // Determine in which quadrant the particle is
1196 if(vol[0]==1){ //Quadrant in ZN
1197 // Calculating particle coordinates inside ZN
1198 xdet[0] = x[0]-fPosZN[0];
1199 xdet[1] = x[1]-fPosZN[1];
1200 // Calculating quadrant in ZN
1202 if(xdet[1]>=0.) vol[1]=1;
1203 else if(xdet[1]<0.) vol[1]=3;
1205 else if(xdet[0]>0.){
1206 if(xdet[1]>=0.) vol[1]=2;
1207 else if(xdet[1]<0.) vol[1]=4;
1209 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
1210 printf("\n StepManager->ERROR in ZN!!! vol[1] = %d, xdet[0] = %f,"
1211 "xdet[1] = %f\n",vol[1], xdet[0], xdet[1]);
1214 else if(vol[0]==2){ //Quadrant in ZP
1215 // Calculating particle coordinates inside ZP
1216 xdet[0] = x[0]-fPosZP[0];
1217 xdet[1] = x[1]-fPosZP[1];
1218 if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01;
1219 if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01;
1220 // Calculating tower in ZP
1221 Float_t xqZP = xdet[0]/(fDimZP[0]/2.);
1222 for(int i=1; i<=4; i++){
1223 if(xqZP>=(i-3) && xqZP<(i-2)){
1228 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
1229 printf(" StepManager->ERROR in ZP!!! vol[1] = %d, xdet[0] = %f,"
1230 "xdet[1] = %f",vol[1], xdet[0], xdet[1]);
1233 // Quadrant in ZEM: vol[1] = 1 -> particle in 1st ZEM (placed at x = 8.5 cm)
1234 // vol[1] = 2 -> particle in 2nd ZEM (placed at x = -8.5 cm)
1235 else if(vol[0] == 3){
1238 // Particle x-coordinate inside ZEM1
1239 xdet[0] = x[0]-fPosZEM[0];
1243 // Particle x-coordinate inside ZEM2
1244 xdet[0] = x[0]+fPosZEM[0];
1246 xdet[1] = x[1]-fPosZEM[1];
1249 // Store impact point and kinetic energy of the ENTERING particle
1251 // if(Curtrack==Prim){
1252 if(gMC->IsTrackEntering()){
1254 gMC->TrackMomentum(p);
1256 // Impact point on ZDC
1264 // Int_t PcID = gMC->TrackPid();
1265 // printf("Pc ID -> %d\n",PcID);
1266 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
1271 //printf("\n # of detected p = %d\n\n",fpDetected);
1277 // Charged particles -> Energy loss
1278 if((destep=gMC->Edep())){
1279 if(gMC->IsTrackStop()){
1280 gMC->TrackMomentum(p);
1281 m = gMC->TrackMass();
1286 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
1292 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
1294 // printf(" Dep. E = %f \n",hits[9]);
1296 }// NB -> Questa parentesi (chiude il primo IF) io la sposterei al fondo!???
1299 // *** Light production in fibres
1300 if((gMC->GetMedium() == fMedSensF1) || (gMC->GetMedium() == fMedSensF2)){
1302 //Select charged particles
1303 if((destep=gMC->Edep())){
1305 // Particle velocity
1307 gMC->TrackMomentum(p);
1308 Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]);
1309 if(p[3] > 0.00001) beta = ptot/p[3];
1314 else if((beta>=0.67) && (beta<=0.75)){
1317 if((beta>0.75) && (beta<=0.85)){
1320 if((beta>0.85) && (beta<=0.95)){
1327 // Angle between particle trajectory and fibre axis
1328 // 1 -> Momentum directions
1332 gMC->Gmtod(um,ud,2);
1333 // 2 -> Angle < limit angle
1334 Double_t alfar = TMath::ACos(ud[2]);
1335 Double_t alfa = alfar*kRaddeg;
1336 if(alfa>=110.) return;
1337 ialfa = Int_t(1.+alfa/2.);
1339 // Distance between particle trajectory and fibre axis
1340 gMC->TrackPosition(s);
1341 for(j=0; j<=2; j++){
1344 gMC->Gmtod(x,xdet,1);
1345 if(TMath::Abs(ud[0])>0.00001){
1346 Float_t dcoeff = ud[1]/ud[0];
1347 be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.));
1350 be = TMath::Abs(ud[0]);
1356 else if((vol[0]==2)){
1359 ibe = Int_t(be*1000.+1);
1361 //Looking into the light tables
1362 Float_t charge = gMC->TrackCharge();
1364 if((vol[0]==1)) { // (1) ZN fibres
1365 if(ibe>fNben) ibe=fNben;
1366 out = charge*charge*fTablen[ibeta][ialfa][ibe];
1367 nphe = gRandom->Poisson(out);
1368 // printf("ZN --- ibeta = %d, ialfa = %d, ibe = %d"
1369 // " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1370 if(gMC->GetMedium() == fMedSensF1){
1371 hits[7] = nphe; //fLightPMQ
1374 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
1378 hits[8] = nphe; //fLightPMC
1380 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
1383 else if((vol[0]==2)) { // (2) ZP fibres
1384 if(ibe>fNbep) ibe=fNbep;
1385 out = charge*charge*fTablep[ibeta][ialfa][ibe];
1386 nphe = gRandom->Poisson(out);
1387 // printf("ZP --- ibeta = %d, ialfa = %d, ibe = %d"
1388 // " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1389 if(gMC->GetMedium() == fMedSensF1){
1390 hits[7] = nphe; //fLightPMQ
1393 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
1397 hits[8] = nphe; //fLightPMC
1399 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
1402 else if((vol[0]==3)) { // (3) ZEM fibres
1403 if(ibe>fNbep) ibe=fNbep;
1404 out = charge*charge*fTablep[ibeta][ialfa][ibe];
1405 gMC->TrackPosition(s);
1406 for(j=0; j<=2; j++){
1409 // z-coordinate from ZEM front face
1410 // NB-> fPosZEM[2]+fZEMLength = -1000.+2*10.3 = 979.69 cm
1411 z = -xalic[2]+fPosZEM[2]+2*fZEMLength-xalic[1];
1412 // z = xalic[2]-fPosZEM[2]-fZEMLength-xalic[1]*(TMath::Tan(45.*kDegrad));
1413 // printf("\n fPosZEM[2]+2*fZEMLength = %f", fPosZEM[2]+2*fZEMLength);
1414 guiEff = guiPar[0]*(guiPar[1]*z*z+guiPar[2]*z+guiPar[3]);
1415 // printf("\n xalic[0] = %f xalic[1] = %f xalic[2] = %f z = %f \n",
1416 // xalic[0],xalic[1],xalic[2],z);
1418 nphe = gRandom->Poisson(out);
1419 // printf(" out*guiEff = %f nphe = %d", out, nphe);
1420 // printf("ZEM --- ibeta = %d, ialfa = %d, ibe = %d"
1421 // " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1424 hits[8] = nphe; //fLightPMC (ZEM1)
1426 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
1429 hits[7] = nphe; //fLightPMQ (ZEM2)
1432 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);