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 // AliZDCv1 --- ZDC geometry as designed in TDR (obsolete!) //
21 // with the EM ZDC at 116 m from IP //
22 // Just one set of ZDC is inserted, on the same side of the dimuon arm //
24 ///////////////////////////////////////////////////////////////////////////////
26 // --- Standard libraries
31 #include <TLorentzVector.h>
37 #include <TVirtualMC.h>
39 // --- AliRoot classes
41 #include "AliDetector.h"
45 #include "AliZDCHit.h"
52 //_____________________________________________________________________________
53 AliZDCv1::AliZDCv1() : AliZDC()
56 // Default constructor for Zero Degree Calorimeter
69 //_____________________________________________________________________________
70 AliZDCv1::AliZDCv1(const char *name, const char *title)
74 // Standard constructor for Zero Degree Calorimeter
77 // Check that DIPO, ABSO, DIPO and SHIL is there (otherwise tracking is wrong!!!)
79 AliModule *pipe=gAlice->GetModule("PIPE");
80 AliModule *abso=gAlice->GetModule("ABSO");
81 AliModule *dipo=gAlice->GetModule("DIPO");
82 AliModule *shil=gAlice->GetModule("SHIL");
83 if((!pipe) || (!abso) || (!dipo) || (!shil)) {
84 Error("Constructor","ZDC needs PIPE, ABSO, DIPO and SHIL!!!\n");
98 // Parameters for light tables
99 fNalfan = 90; // Number of Alfa (neutrons)
100 fNalfap = 90; // Number of Alfa (protons)
101 fNben = 18; // Number of beta (neutrons)
102 fNbep = 28; // Number of beta (protons)
104 for(ip=0; ip<4; ip++){
105 for(kp=0; kp<fNalfap; kp++){
106 for(jp=0; jp<fNbep; jp++){
107 fTablep[ip][kp][jp] = 0;
112 for(in=0; in<4; in++){
113 for(kn=0; kn<fNalfan; kn++){
114 for(jn=0; jn<fNben; jn++){
115 fTablen[in][kn][jn] = 0;
120 // Parameters for hadronic calorimeters geometry
137 // Parameters for EM calorimeter geometry
144 //_____________________________________________________________________________
145 void AliZDCv1::CreateGeometry()
148 // Create the geometry for the Zero Degree Calorimeter version 1
149 //* Initialize COMMON block ZDC_CGEOM
156 //_____________________________________________________________________________
157 void AliZDCv1::CreateBeamLine()
160 // Create the beam line elements
163 Float_t zq, zd1, zd2;
164 Float_t conpar[9], tubpar[3], tubspar[5], boxpar[3];
167 Int_t *idtmed = fIdtmed->GetArray();
169 // -- Mother of the ZDCs (Vacuum PCON)
180 gMC->Gsvolu("ZDC ", "PCON", idtmed[11], conpar, 9);
181 gMC->Gspos("ZDC ", 1, "ALIC", 0., 0., 0., 0, "ONLY");
183 // -- FIRST SECTION OF THE BEAM PIPE (from compensator dipole to
184 // the beginning of D1)
190 tubpar[2] = 3838.3/2.;
191 gMC->Gsvolu("QT01", "TUBE", idtmed[7], tubpar, 3);
192 gMC->Gspos("QT01", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
194 //-- SECOND SECTION OF THE BEAM PIPE (from the end of D1 to the
197 //-- FROM MAGNETIC BEGINNING OF D1 TO MAGNETIC END OF D1 + 13.5 cm
198 //-- Cylindrical pipe (r = 3.47) + conical flare
200 // -> Beginning of D1
204 tubpar[1] = 3.47+0.2;
205 tubpar[2] = 958.5/2.;
206 gMC->Gsvolu("QT02", "TUBE", idtmed[7], tubpar, 3);
207 gMC->Gspos("QT02", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
216 gMC->Gsvolu("QC01", "CONE", idtmed[7], conpar, 5);
217 gMC->Gspos("QC01", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
224 gMC->Gsvolu("QT03", "TUBE", idtmed[7], tubpar, 3);
225 gMC->Gspos("QT03", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
232 gMC->Gsvolu("QT04", "TUBE", idtmed[7], tubpar, 3);
233 gMC->Gspos("QT04", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
235 zd1 += tubpar[2] * 2.;
240 gMC->Gsvolu("QT05", "TUBE", idtmed[7], tubpar, 3);
241 gMC->Gspos("QT05", 1, "ZDC ", 0., 0., tubpar[0] + zd1, 0, "ONLY");
243 zd1 += tubpar[2] * 2.;
248 gMC->Gsvolu("QT06", "TUBE", idtmed[7], tubpar, 3);
249 gMC->Gspos("QT06", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
251 zd1 += tubpar[2] * 2.;
258 gMC->Gsvolu("QC02", "CONE", idtmed[7], conpar, 5);
259 gMC->Gspos("QC02", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
261 zd1 += conpar[0] * 2.;
266 gMC->Gsvolu("QT07", "TUBE", idtmed[7], tubpar, 3);
267 gMC->Gspos("QT07", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
269 zd1 += tubpar[2] * 2.;
276 gMC->Gsvolu("QC03", "CONE", idtmed[7], conpar, 5);
277 gMC->Gspos("QC03", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
279 zd1 += conpar[0] * 2.;
283 tubpar[2] = 205.8/2.;
284 gMC->Gsvolu("QT08", "TUBE", idtmed[7], tubpar, 3);
285 gMC->Gspos("QT08", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
287 zd1 += tubpar[2] * 2.;
291 // QT09 is 10 cm longer to accomodate TDI
292 tubpar[2] = 515.4/2.;
293 gMC->Gsvolu("QT09", "TUBE", idtmed[7], tubpar, 3);
294 gMC->Gspos("QT09", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
296 // --- Insert TDI (inside ZDC volume)
301 gMC->Gsvolu("QTD1", "BOX ", idtmed[7], boxpar, 3);
302 gMC->Gspos("QTD1", 1, "ZDC ", 3., 10.6, tubpar[2] + zd1 + 56.3, 0, "ONLY");
303 gMC->Gspos("QTD1", 2, "ZDC ", 3., -10.6, tubpar[2] + zd1 + 56.3, 0, "ONLY");
308 gMC->Gsvolu("QTD2", "BOX ", idtmed[6], boxpar, 3);
309 gMC->Gspos("QTD2", 1, "ZDC ", 8.6+boxpar[0], 0., tubpar[2] + zd1 + 56.3, 0, "ONLY");
311 // tubspar[0] = 6.2; // R = 6.2 cm----------------------------------------
313 // tubspar[2] = 400./2.;
314 // tubspar[3] = 180.-62.5;
315 // tubspar[4] = 180.+62.5;
316 tubspar[0] = 10.5; // R = 10.5 cm------------------------------------------
318 tubspar[2] = 400./2.;
319 tubspar[3] = 180.-75.5;
320 tubspar[4] = 180.+75.5;
321 gMC->Gsvolu("QTD3", "TUBS", idtmed[6], tubspar, 5);
322 gMC->Gspos("QTD3", 1, "ZDC ", 0., 0., tubpar[2] + zd1 + 56.3, 0, "ONLY");
324 zd1 += tubpar[2] * 2.;
328 // QT10 is 10 cm shorter
330 gMC->Gsvolu("QT10", "TUBE", idtmed[7], tubpar, 3);
331 gMC->Gspos("QT10", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
333 zd1 += tubpar[2] * 2.;
337 tubpar[2] = 778.5/2.;
338 gMC->Gsvolu("QT11", "TUBE", idtmed[7], tubpar, 3);
339 gMC->Gspos("QT11", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
341 zd1 += tubpar[2] * 2.;
343 conpar[0] = 14.18/2.;
348 gMC->Gsvolu("QC04", "CONE", idtmed[7], conpar, 5);
349 gMC->Gspos("QC04", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
351 zd1 += conpar[0] * 2.;
356 gMC->Gsvolu("QT12", "TUBE", idtmed[7], tubpar, 3);
357 gMC->Gspos("QT12", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
359 zd1 += tubpar[2] * 2.;
361 conpar[0] = 36.86/2.;
366 gMC->Gsvolu("QC05", "CONE", idtmed[7], conpar, 5);
367 gMC->Gspos("QC05", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
369 zd1 += conpar[0] * 2.;
373 tubpar[2] = 927.3/2.;
374 gMC->Gsvolu("QT13", "TUBE", idtmed[7], tubpar, 3);
375 gMC->Gspos("QT13", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
377 zd1 += tubpar[2] * 2.;
382 gMC->Gsvolu("QT14", "TUBE", idtmed[8], tubpar, 3);
383 gMC->Gspos("QT14", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
385 zd1 += tubpar[2] * 2.;
390 gMC->Gsvolu("QT15", "TUBE", idtmed[11], tubpar, 3);
392 //-- Position QT15 inside QT14
393 gMC->Gspos("QT15", 1, "QT14", -7.7, 0., 0., 0, "ONLY");
398 gMC->Gsvolu("QT16", "TUBE", idtmed[11], tubpar, 3);
400 //-- Position QT16 inside QT14
401 gMC->Gspos("QT16", 1, "QT14", 7.7, 0., 0., 0, "ONLY");
404 //-- BEAM PIPE BETWEEN END OF CONICAL PIPE AND BEGINNING OF D2
408 tubpar[2] = 680.8/2.;
409 gMC->Gsvolu("QT17", "TUBE", idtmed[7], tubpar, 3);
413 tubpar[2] = 680.8/2.;
414 gMC->Gsvolu("QT18", "TUBE", idtmed[7], tubpar, 3);
418 Float_t angle = 0.143*kDegrad;
420 AliMatrix(im1, 90.-0.143, 0., 90., 90., 0.143, 180.);
421 gMC->Gspos("QT17", 1, "ZDC ", TMath::Sin(angle) * 680.8/ 2. - 9.4,
422 0., tubpar[2] + zd1, im1, "ONLY");
424 AliMatrix(im2, 90.+0.143, 0., 90., 90., 0.143, 0.);
425 gMC->Gspos("QT18", 1, "ZDC ", 9.7 - TMath::Sin(angle) * 680.8 / 2.,
426 0., tubpar[2] + zd1, im2, "ONLY");
429 // -- END OF BEAM PIPE VOLUME DEFINITION.
430 // ----------------------------------------------------------------
432 // -- MAGNET DEFINITION -> LHC OPTICS 6.2 (preliminary version)
434 // ----------------------------------------------------------------
435 // Replaced by the muon dipole
436 // ----------------------------------------------------------------
437 // -- COMPENSATOR DIPOLE (MBXW)
438 // GAP (VACUUM WITH MAGNETIC FIELD)
442 // tubpar[2] = 340./2.;
443 // gMC->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3);
444 // gMC->Gspos("MBXW", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY");
446 // -- YOKE (IRON WITHOUT MAGNETIC FIELD)
450 // tubpar[2] = 340./2.;
451 // gMC->Gsvolu("YMBX", "TUBE", idtmed[7], tubpar, 3);
452 // gMC->Gspos("YMBX", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY");
454 // ----------------------------------------------------------------
455 // Replaced by the second dipole
456 // ----------------------------------------------------------------
457 // -- COMPENSATOR DIPOLE (MCBWA)
458 // GAP (VACUUM WITH MAGNETIC FIELD)
462 // tubpar[2] = 170./2.;
463 // gMC->Gsvolu("MCBW", "TUBE", idtmed[11], tubpar, 3);
464 // gMC->Gspos("MCBW", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY");
466 // -- YOKE (IRON WITHOUT MAGNETIC FIELD)
470 // tubpar[2] = 170./2.;
471 // gMC->Gsvolu("YMCB", "TUBE", idtmed[7], tubpar, 3);
472 // gMC->Gspos("YMCB", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY");
478 // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT
481 // -- GAP (VACUUM WITH MAGNETIC FIELD)
486 gMC->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3);
493 gMC->Gsvolu("YMQL", "TUBE", idtmed[7], tubpar, 3);
495 gMC->Gspos("MQXL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
496 gMC->Gspos("YMQL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
498 gMC->Gspos("MQXL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY");
499 gMC->Gspos("YMQL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY");
502 // -- GAP (VACUUM WITH MAGNETIC FIELD)
507 gMC->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3);
514 gMC->Gsvolu("YMQ ", "TUBE", idtmed[7], tubpar, 3);
516 gMC->Gspos("MQX ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 883.5, 0, "ONLY");
517 gMC->Gspos("YMQ ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 883.5, 0, "ONLY");
519 gMC->Gspos("MQX ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1533.5, 0, "ONLY");
520 gMC->Gspos("YMQ ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1533.5, 0, "ONLY");
522 // -- SEPARATOR DIPOLE D1
526 // -- GAP (VACUUM WITH MAGNETIC FIELD)
531 gMC->Gsvolu("MD1 ", "TUBE", idtmed[11], tubpar, 3);
533 // -- Insert horizontal Cu plates inside D1
534 // -- (to simulate the vacuum chamber)
536 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.98+0.2)*(2.98+0.2));
539 gMC->Gsvolu("MD1V", "BOX ", idtmed[6], boxpar, 3);
540 gMC->Gspos("MD1V", 1, "MD1 ", 0., 2.98+boxpar[1], 0., 0, "ONLY");
541 gMC->Gspos("MD1V", 2, "MD1 ", 0., -2.98-boxpar[1], 0., 0, "ONLY");
548 gMC->Gsvolu("YD1 ", "TUBE", idtmed[7], tubpar, 3);
550 gMC->Gspos("YD1 ", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
551 gMC->Gspos("MD1 ", 1, "YD1 ", 0., 0., 0., 0, "ONLY");
557 // -- GAP (VACUUM WITH MAGNETIC FIELD)
562 gMC->Gsvolu("MD2 ", "TUBE", idtmed[11], tubpar, 3);
569 gMC->Gsvolu("YD2 ", "TUBE", idtmed[7], tubpar, 3);
571 gMC->Gspos("YD2 ", 1, "ZDC ", 0., 0., tubpar[2] + zd2, 0, "ONLY");
573 gMC->Gspos("MD2 ", 1, "YD2 ", -9.4, 0., 0., 0, "ONLY");
574 gMC->Gspos("MD2 ", 2, "YD2 ", 9.4, 0., 0., 0, "ONLY");
576 // -- END OF MAGNET DEFINITION
579 //_____________________________________________________________________________
580 void AliZDCv1::CreateZDC()
583 // Create the various ZDCs (ZN + ZP)
586 Float_t dimPb[6], dimVoid[6];
588 Int_t *idtmed = fIdtmed->GetArray();
590 // Parameters for hadronic calorimeters geometry
591 // NB -> parameters used ONLY in CreateZDC()
592 Float_t fDimZN[3] = {3.52, 3.52, 50.}; // Dimensions of neutron detector
593 Float_t fGrvZN[3] = {0.03, 0.03, 50.}; // Grooves for neutron detector
594 Float_t fGrvZP[3] = {0.04, 0.04, 75.}; // Grooves for proton detector
595 Int_t fDivZN[3] = {11, 11, 0}; // Division for neutron detector
596 Int_t fDivZP[3] = {7, 15, 0}; // Division for proton detector
597 Int_t fTowZN[2] = {2, 2}; // Tower for neutron detector
598 Int_t fTowZP[2] = {4, 1}; // Tower for proton detector
600 // Parameters for EM calorimeter geometry
601 // NB -> parameters used ONLY in CreateZDC()
602 Float_t fDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
603 Float_t fDimZEMAir = 0.001; // scotch
604 Float_t fFibRadZEM = 0.0315; // External fiber radius (including cladding)
605 Int_t fDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
606 Float_t fDimZEM0 = 2*fDivZEM[2]*(fDimZEMPb+fDimZEMAir+fFibRadZEM*(TMath::Sqrt(2.)));
607 Float_t fDimZEM[6] = {fDimZEM0, 3.5, 3.5, 45., 0., 0.}; // Dimensions of EM detector
608 Float_t fFibZEM2 = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-fFibRadZEM;
609 Float_t fFibZEM[3] = {0., 0.0275, fFibZEM2}; // Fibers for EM calorimeter
612 //-- Create calorimeters geometry
614 // -------------------------------------------------------------------------------
615 //--> Neutron calorimeter (ZN)
617 gMC->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material
618 gMC->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material
619 gMC->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3);
620 gMC->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3);
621 gMC->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3);
622 gMC->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves
623 gMC->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3);
624 gMC->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3);
625 gMC->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3);
627 // Divide ZNEU in towers (for hits purposes)
629 gMC->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower
630 gMC->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower
632 //-- Divide ZN1 in minitowers
633 // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS,
634 // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS
635 // (4 fibres per minitower)
637 gMC->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices
638 gMC->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks
640 // --- Position the empty grooves in the sticks (4 grooves per stick)
641 Float_t dx = fDimZN[0] / fDivZN[0] / 4.;
642 Float_t dy = fDimZN[1] / fDivZN[1] / 4.;
644 gMC->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY");
645 gMC->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY");
646 gMC->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY");
647 gMC->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY");
649 // --- Position the fibers in the grooves
650 gMC->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY");
651 gMC->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY");
652 gMC->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY");
653 gMC->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY");
655 // --- Position the neutron calorimeter in ZDC
656 gMC->Gspos("ZNEU", 1, "ZDC ", fPosZN[0], fPosZN[1], fPosZN[2] + fDimZN[2], 0, "ONLY");
659 // -------------------------------------------------------------------------------
660 //--> Proton calorimeter (ZP)
662 gMC->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material
663 gMC->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material
664 gMC->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3);
665 gMC->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3);
666 gMC->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3);
667 gMC->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves
668 gMC->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3);
669 gMC->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3);
670 gMC->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3);
672 //-- Divide ZPRO in towers(for hits purposes)
674 gMC->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower
675 gMC->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower
678 //-- Divide ZP1 in minitowers
679 // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER,
680 // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER
681 // (4 fiber per minitower)
683 gMC->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices
684 gMC->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks
686 // --- Position the empty grooves in the sticks (4 grooves per stick)
687 dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.;
688 dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.;
690 gMC->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY");
691 gMC->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY");
692 gMC->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY");
693 gMC->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY");
695 // --- Position the fibers in the grooves
696 gMC->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY");
697 gMC->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY");
698 gMC->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY");
699 gMC->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY");
702 // --- Position the proton calorimeter in ZDC
703 gMC->Gspos("ZPRO", 1, "ZDC ", fPosZP[0], fPosZP[1], fPosZP[2] + fDimZP[2], 0, "ONLY");
706 // -------------------------------------------------------------------------------
707 // -> EM calorimeter (ZEM)
709 gMC->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6);
713 gMC->Matrix(irot1,0.,0.,90.,90.,90.,180.); // Rotation matrix 1
714 gMC->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]); // Rotation matrix 2
715 // printf("irot1 = %d, irot2 = %d \n", irot1, irot2);
717 gMC->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material
719 gMC->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches
721 dimPb[0] = fDimZEMPb; // Lead slices
722 dimPb[1] = fDimZEM[2];
723 dimPb[2] = fDimZEM[1];
724 dimPb[3] = 90.-fDimZEM[3];
727 gMC->Gsvolu("ZEL0", "PARA", idtmed[5], dimPb, 6);
728 gMC->Gsvolu("ZEL1", "PARA", idtmed[5], dimPb, 6);
729 gMC->Gsvolu("ZEL2", "PARA", idtmed[5], dimPb, 6);
731 // --- Position the lead slices in the tranche
732 Float_t zTran = fDimZEM[0]/fDivZEM[2];
733 Float_t zTrPb = -zTran+fDimZEMPb;
734 gMC->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY");
735 gMC->Gspos("ZEL1", 1, "ZETR", fDimZEMPb, 0., 0., 0, "ONLY");
737 // --- Vacuum zone (to be filled with fibres)
738 dimVoid[0] = (zTran-2*fDimZEMPb)/2.;
739 dimVoid[1] = fDimZEM[2];
740 dimVoid[2] = fDimZEM[1];
741 dimVoid[3] = 90.-fDimZEM[3];
744 gMC->Gsvolu("ZEV0", "PARA", idtmed[10], dimVoid,6);
745 gMC->Gsvolu("ZEV1", "PARA", idtmed[10], dimVoid,6);
747 // --- Divide the vacuum slice into sticks along x axis
748 gMC->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3);
749 gMC->Gsdvn("ZES1", "ZEV1", fDivZEM[0], 3);
751 // --- Positioning the fibers into the sticks
752 gMC->Gspos("ZEMF", 1,"ZES0", 0., 0., 0., irot2, "ONLY");
753 gMC->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY");
755 // --- Positioning the vacuum slice into the tranche
756 Float_t displFib = fDimZEM[1]/fDivZEM[0];
757 gMC->Gspos("ZEV0", 1,"ZETR", -dimVoid[0], 0., 0., 0, "ONLY");
758 gMC->Gspos("ZEV1", 1,"ZETR", -dimVoid[0]+zTran, 0., displFib, 0, "ONLY");
760 // --- Positioning the ZEM into the ZDC - rotation for 90 degrees
761 gMC->Gspos("ZEM ", 1,"ZDC ", fPosZEM[0], fPosZEM[1], fPosZEM[2], irot1, "ONLY");
763 // --- Adding last slice at the end of the EM calorimeter
764 Float_t zLastSlice = fPosZEM[2]+fDimZEMPb+fDimZEM[0];
765 gMC->Gspos("ZEL2", 1,"ZDC ", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY");
769 //_____________________________________________________________________________
770 void AliZDCv1::DrawModule() const
773 // Draw a shaded view of the Zero Degree Calorimeter version 1
776 // Set everything unseen
777 gMC->Gsatt("*", "seen", -1);
779 // Set ALIC mother transparent
780 gMC->Gsatt("ALIC","SEEN",0);
782 // Set the volumes visible
783 gMC->Gsatt("ZDC ","SEEN",0);
784 gMC->Gsatt("QT01","SEEN",1);
785 gMC->Gsatt("QT02","SEEN",1);
786 gMC->Gsatt("QT03","SEEN",1);
787 gMC->Gsatt("QT04","SEEN",1);
788 gMC->Gsatt("QT05","SEEN",1);
789 gMC->Gsatt("QT06","SEEN",1);
790 gMC->Gsatt("QT07","SEEN",1);
791 gMC->Gsatt("QT08","SEEN",1);
792 gMC->Gsatt("QT09","SEEN",1);
793 gMC->Gsatt("QT10","SEEN",1);
794 gMC->Gsatt("QT11","SEEN",1);
795 gMC->Gsatt("QT12","SEEN",1);
796 gMC->Gsatt("QT13","SEEN",1);
797 gMC->Gsatt("QT14","SEEN",1);
798 gMC->Gsatt("QT15","SEEN",1);
799 gMC->Gsatt("QT16","SEEN",1);
800 gMC->Gsatt("QT17","SEEN",1);
801 gMC->Gsatt("QT18","SEEN",1);
802 gMC->Gsatt("QC01","SEEN",1);
803 gMC->Gsatt("QC02","SEEN",1);
804 gMC->Gsatt("QC03","SEEN",1);
805 gMC->Gsatt("QC04","SEEN",1);
806 gMC->Gsatt("QC05","SEEN",1);
807 gMC->Gsatt("QTD1","SEEN",1);
808 gMC->Gsatt("QTD2","SEEN",1);
809 gMC->Gsatt("QTD3","SEEN",1);
810 gMC->Gsatt("MQXL","SEEN",1);
811 gMC->Gsatt("YMQL","SEEN",1);
812 gMC->Gsatt("MQX ","SEEN",1);
813 gMC->Gsatt("YMQ ","SEEN",1);
814 gMC->Gsatt("ZQYX","SEEN",1);
815 gMC->Gsatt("MD1 ","SEEN",1);
816 gMC->Gsatt("MD1V","SEEN",1);
817 gMC->Gsatt("YD1 ","SEEN",1);
818 gMC->Gsatt("MD2 ","SEEN",1);
819 gMC->Gsatt("YD2 ","SEEN",1);
820 gMC->Gsatt("ZNEU","SEEN",0);
821 gMC->Gsatt("ZNF1","SEEN",0);
822 gMC->Gsatt("ZNF2","SEEN",0);
823 gMC->Gsatt("ZNF3","SEEN",0);
824 gMC->Gsatt("ZNF4","SEEN",0);
825 gMC->Gsatt("ZNG1","SEEN",0);
826 gMC->Gsatt("ZNG2","SEEN",0);
827 gMC->Gsatt("ZNG3","SEEN",0);
828 gMC->Gsatt("ZNG4","SEEN",0);
829 gMC->Gsatt("ZNTX","SEEN",0);
830 gMC->Gsatt("ZN1 ","COLO",4);
831 gMC->Gsatt("ZN1 ","SEEN",1);
832 gMC->Gsatt("ZNSL","SEEN",0);
833 gMC->Gsatt("ZNST","SEEN",0);
834 gMC->Gsatt("ZPRO","SEEN",0);
835 gMC->Gsatt("ZPF1","SEEN",0);
836 gMC->Gsatt("ZPF2","SEEN",0);
837 gMC->Gsatt("ZPF3","SEEN",0);
838 gMC->Gsatt("ZPF4","SEEN",0);
839 gMC->Gsatt("ZPG1","SEEN",0);
840 gMC->Gsatt("ZPG2","SEEN",0);
841 gMC->Gsatt("ZPG3","SEEN",0);
842 gMC->Gsatt("ZPG4","SEEN",0);
843 gMC->Gsatt("ZPTX","SEEN",0);
844 gMC->Gsatt("ZP1 ","COLO",6);
845 gMC->Gsatt("ZP1 ","SEEN",1);
846 gMC->Gsatt("ZPSL","SEEN",0);
847 gMC->Gsatt("ZPST","SEEN",0);
848 gMC->Gsatt("ZEM ","COLO",7);
849 gMC->Gsatt("ZEM ","SEEN",1);
850 gMC->Gsatt("ZEMF","SEEN",0);
851 gMC->Gsatt("ZETR","SEEN",0);
852 gMC->Gsatt("ZEL0","SEEN",0);
853 gMC->Gsatt("ZEL1","SEEN",0);
854 gMC->Gsatt("ZEL2","SEEN",0);
855 gMC->Gsatt("ZEV0","SEEN",0);
856 gMC->Gsatt("ZEV1","SEEN",0);
857 gMC->Gsatt("ZES0","SEEN",0);
858 gMC->Gsatt("ZES1","SEEN",0);
861 gMC->Gdopt("hide", "on");
862 gMC->Gdopt("shad", "on");
863 gMC->Gsatt("*", "fill", 7);
864 gMC->SetClipBox(".");
865 gMC->SetClipBox("*", 0, 100, -100, 100, 12000, 16000);
867 gMC->Gdraw("alic", 40, 30, 0, 488, 220, .07, .07);
868 gMC->Gdhead(1111, "Zero Degree Calorimeter Version 1");
869 gMC->Gdman(18, 4, "MAN");
872 //_____________________________________________________________________________
873 void AliZDCv1::CreateMaterials()
876 // Create Materials for the Zero Degree Calorimeter
879 Int_t *idtmed = fIdtmed->GetArray();
881 Float_t dens, ubuf[1], wmat[2], a[2], z[2], deemax = -1;
884 // --- Store in UBUF r0 for nuclear radius calculation R=r0*A**1/3
886 // --- Tantalum -> ZN passive material
888 AliMaterial(1, "TANT", 180.95, 73., 16.65, .4, 11.9, ubuf, 1);
892 // AliMaterial(1, "TUNG", 183.85, 74., 19.3, .35, 10.3, ubuf, 1);
894 // --- Brass (CuZn) -> ZP passive material
902 AliMixture(2, "BRASS ", a, z, dens, 2, wmat);
912 AliMixture(3, "SIO2 ", a, z, dens, -2, wmat);
916 AliMaterial(5, "LEAD", 207.19, 82., 11.35, .56, 18.5, ubuf, 1);
920 AliMaterial(6, "COPP", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
922 // --- Iron (energy loss taken into account)
924 AliMaterial(7, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
926 // --- Iron (no energy loss)
928 AliMaterial(8, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
930 // --- Vacuum (no magnetic field)
931 AliMaterial(10, "VOID", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
933 // --- Vacuum (with magnetic field)
934 AliMaterial(11, "VOIM", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
936 // --- Air (no magnetic field)
937 AliMaterial(12, "Air $", 14.61, 7.3, .001205, 30420., 67500., ubuf, 0);
939 // --- Definition of tracking media:
941 // --- Tantalum = 1 ;
943 // --- Fibers (SiO2) = 3 ;
944 // --- Fibers (SiO2) = 4 ;
947 // --- Iron (with energy loss) = 7 ;
948 // --- Iron (without energy loss) = 8 ;
949 // --- Vacuum (no field) = 10
950 // --- Vacuum (with field) = 11
951 // --- Air (no field) = 12
954 // --- Tracking media parameters
955 Float_t epsil = .01, stmin=0.01, stemax = 1.;
956 // Int_t isxfld = gAlice->Field()->Integ();
957 // Float_t fieldm = gAlice->Field()->Max();
958 Float_t fieldm = 0., tmaxfd = 0.;
959 Int_t ifield = 0, isvolActive = 1, isvol = 0, inofld = 0;
961 AliMedium(1, "ZTANT", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
962 // AliMedium(1, "ZW", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
963 AliMedium(2, "ZBRASS",2, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
964 AliMedium(3, "ZSIO2", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
965 AliMedium(4, "ZQUAR", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
966 AliMedium(5, "ZLEAD", 5, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
967 // AliMedium(6, "ZCOPP", 6, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
968 // AliMedium(7, "ZIRON", 7, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
969 AliMedium(6, "ZCOPP", 6, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
970 AliMedium(7, "ZIRON", 7, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
971 AliMedium(8, "ZIRONN",8, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
972 AliMedium(10,"ZVOID",10, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
973 AliMedium(12,"ZAIR", 12, 0, inofld, fieldm, tmaxfd, stemax,deemax, epsil, stmin);
977 AliMedium(11, "ZVOIM", 11, isvol, ifield, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
979 // Thresholds for showering in the ZDCs
981 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
982 gMC->Gstpar(idtmed[i], "CUTELE", .001);
983 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
984 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
986 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
987 gMC->Gstpar(idtmed[i], "CUTELE", .001);
988 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
989 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
991 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
992 gMC->Gstpar(idtmed[i], "CUTELE", .001);
993 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
994 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
996 // Avoid too detailed showering in TDI
998 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
999 gMC->Gstpar(idtmed[i], "CUTELE", .1);
1000 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
1001 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
1003 // Avoid too detailed showering along the beam line
1004 i = 7; //iron with energy loss (ZIRON)
1005 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
1006 gMC->Gstpar(idtmed[i], "CUTELE", .1);
1007 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
1008 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
1010 // Avoid too detailed showering along the beam line
1011 i = 8; //iron with energy loss (ZIRONN)
1012 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
1013 gMC->Gstpar(idtmed[i], "CUTELE", .1);
1014 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
1015 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
1017 // Avoid interaction in fibers (only energy loss allowed)
1018 i = 3; //fibers (ZSI02)
1019 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1020 gMC->Gstpar(idtmed[i], "MULS", 0.);
1021 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1022 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1023 gMC->Gstpar(idtmed[i], "LOSS", 1.);
1024 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1025 gMC->Gstpar(idtmed[i], "COMP", 0.);
1026 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1027 gMC->Gstpar(idtmed[i], "BREM", 0.);
1028 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1029 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1030 gMC->Gstpar(idtmed[i], "HADR", 0.);
1031 i = 4; //fibers (ZQUAR)
1032 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1033 gMC->Gstpar(idtmed[i], "MULS", 0.);
1034 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1035 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1036 gMC->Gstpar(idtmed[i], "LOSS", 1.);
1037 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1038 gMC->Gstpar(idtmed[i], "COMP", 0.);
1039 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1040 gMC->Gstpar(idtmed[i], "BREM", 0.);
1041 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1042 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1043 gMC->Gstpar(idtmed[i], "HADR", 0.);
1045 // Avoid interaction in void
1046 i = 11; //void with field
1047 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1048 gMC->Gstpar(idtmed[i], "MULS", 0.);
1049 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1050 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1051 gMC->Gstpar(idtmed[i], "LOSS", 0.);
1052 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1053 gMC->Gstpar(idtmed[i], "COMP", 0.);
1054 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1055 gMC->Gstpar(idtmed[i], "BREM", 0.);
1056 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1057 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1058 gMC->Gstpar(idtmed[i], "HADR", 0.);
1061 fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material
1062 fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material
1063 fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1
1064 fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2
1065 fMedSensZEM = idtmed[5]; // Sensitive volume: ZEM passive material
1066 // fMedSensTDI = idtmed[6]; // Sensitive volume: TDI Cu shield
1067 // fMedSensPI = idtmed[7]; // Sensitive volume: beam pipes
1068 fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves
1071 //_____________________________________________________________________________
1072 void AliZDCv1::Init()
1077 //_____________________________________________________________________________
1078 void AliZDCv1::InitTables()
1081 // Read light tables for Cerenkov light production parameterization
1086 char *lightfName1,*lightfName2,*lightfName3,*lightfName4,
1087 *lightfName5,*lightfName6,*lightfName7,*lightfName8;
1088 FILE *fp1, *fp2, *fp3, *fp4, *fp5, *fp6, *fp7, *fp8;
1090 // --- Reading light tables for ZN
1091 lightfName1 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362207s");
1092 if((fp1 = fopen(lightfName1,"r")) == NULL){
1093 printf("Cannot open file fp1 \n");
1096 lightfName2 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362208s");
1097 if((fp2 = fopen(lightfName2,"r")) == NULL){
1098 printf("Cannot open file fp2 \n");
1101 lightfName3 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362209s");
1102 if((fp3 = fopen(lightfName3,"r")) == NULL){
1103 printf("Cannot open file fp3 \n");
1106 lightfName4 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362210s");
1107 if((fp4 = fopen(lightfName4,"r")) == NULL){
1108 printf("Cannot open file fp4 \n");
1112 for(k=0; k<fNalfan; k++){
1113 for(j=0; j<fNben; j++){
1114 fscanf(fp1,"%f",&fTablen[0][k][j]);
1115 fscanf(fp2,"%f",&fTablen[1][k][j]);
1116 fscanf(fp3,"%f",&fTablen[2][k][j]);
1117 fscanf(fp4,"%f",&fTablen[3][k][j]);
1125 // --- Reading light tables for ZP and ZEM
1126 lightfName5 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552207s");
1127 if((fp5 = fopen(lightfName5,"r")) == NULL){
1128 printf("Cannot open file fp5 \n");
1131 lightfName6 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552208s");
1132 if((fp6 = fopen(lightfName6,"r")) == NULL){
1133 printf("Cannot open file fp6 \n");
1136 lightfName7 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552209s");
1137 if((fp7 = fopen(lightfName7,"r")) == NULL){
1138 printf("Cannot open file fp7 \n");
1141 lightfName8 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552210s");
1142 if((fp8 = fopen(lightfName8,"r")) == NULL){
1143 printf("Cannot open file fp8 \n");
1147 for(k=0; k<fNalfap; k++){
1148 for(j=0; j<fNbep; j++){
1149 fscanf(fp5,"%f",&fTablep[0][k][j]);
1150 fscanf(fp6,"%f",&fTablep[1][k][j]);
1151 fscanf(fp7,"%f",&fTablep[2][k][j]);
1152 fscanf(fp8,"%f",&fTablep[3][k][j]);
1160 //_____________________________________________________________________________
1161 void AliZDCv1::StepManager()
1164 // Routine called at every step in the Zero Degree Calorimeters
1167 Int_t j, vol[2], ibeta=0, ialfa, ibe, nphe;
1168 Float_t x[3], xdet[3], destep, hits[10], m, ekin, um[3], ud[3], be, radius, out;
1169 Float_t xalic[3], z, guiEff, guiPar[4]={0.31,-0.0004,0.0197,0.7958};
1170 TLorentzVector s, p;
1173 for (j=0;j<10;j++) hits[j]=0;
1175 if((gMC->GetMedium() == fMedSensZN) || (gMC->GetMedium() == fMedSensZP) ||
1176 (gMC->GetMedium() == fMedSensGR) || (gMC->GetMedium() == fMedSensF1) ||
1177 (gMC->GetMedium() == fMedSensF2) || (gMC->GetMedium() == fMedSensZEM)){
1179 // --- This part is for no shower developement in beam pipe and TDI
1180 // (gMC->GetMedium() == fMedSensPI) || (gMC->GetMedium() == fMedSensTDI)){
1182 // If particle interacts with beam pipe -> return
1183 // if((gMC->GetMedium() == fMedSensPI) || (gMC->GetMedium() == fMedSensTDI)){
1184 // If option NoShower is set -> StopTrack
1185 // if(fNoShower==1) {
1186 // if(gMC->GetMedium() == fMedSensPI) {
1187 // knamed = gMC->CurrentVolName();
1188 // if((!strncmp(knamed,"MQ",2)) || (!strncmp(knamed,"YM",2))) fpLostIT += 1;
1189 // if((!strncmp(knamed,"MD1",3))|| (!strncmp(knamed,"YD1",2))) fpLostD1 += 1;
1191 // if(gMC->GetMedium() == fMedSensTDI) fpLostTDI += 1;
1192 // gMC->StopTrack();
1193 // printf("\n # of p lost in Inner Triplet = %d\n",fpLostIT);
1194 // printf("\n # of p lost in D1 = %d\n",fpLostD1);
1195 // printf("\n # of p lost in TDI = %d\n",fpLostTDI);
1200 //Particle coordinates
1201 gMC->TrackPosition(s);
1202 for(j=0; j<=2; j++){
1209 // Determine in which ZDC the particle is
1210 knamed = gMC->CurrentVolName();
1211 if(!strncmp(knamed,"ZN",2)){
1214 else if(!strncmp(knamed,"ZP",2)){
1217 else if(!strncmp(knamed,"ZE",2)){
1221 // Determine in which quadrant the particle is
1223 if(vol[0]==1){ //Quadrant in ZN
1224 xdet[0] = x[0]-fPosZN[0];
1225 xdet[1] = x[1]-fPosZN[1];
1226 if((xdet[0]<=0.) && (xdet[1]>=0.)) vol[1]=1;
1227 if((xdet[0]>0.) && (xdet[1]>0.)) vol[1]=2;
1228 if((xdet[0]<0.) && (xdet[1]<0.)) vol[1]=3;
1229 if((xdet[0]>0.) && (xdet[1]<0.)) vol[1]=4;
1231 else if(vol[0]==2){ //Quadrant in ZP
1232 xdet[0] = x[0]-fPosZP[0];
1233 xdet[1] = x[1]-fPosZP[1];
1234 if(xdet[0]>fDimZP[0])xdet[0]=fDimZP[0]-0.01;
1235 if(xdet[0]<-fDimZP[0])xdet[0]=-fDimZP[0]+0.01;
1236 Float_t xqZP = xdet[0]/(fDimZP[0]/2);
1237 for(int i=1; i<=4; i++){
1238 if(xqZP>=(i-3) && xqZP<(i-2)){
1244 else if(vol[0] == 3){ //ZEM has only 1 quadrant
1246 xdet[0] = x[0]-fPosZEM[0];
1247 xdet[1] = x[1]-fPosZEM[1];
1250 // Store impact point and kinetic energy of the ENTERING particle
1252 // if(Curtrack==Prim){
1253 if(gMC->IsTrackEntering()){
1255 gMC->TrackMomentum(p);
1257 // Impact point on ZDC
1265 // Int_t PcID = gMC->TrackPid();
1266 // printf("Pc ID -> %d\n",PcID);
1267 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
1272 // printf("\n # of detected p = %d\n",fpDetected);
1278 // Charged particles -> Energy loss
1279 if((destep=gMC->Edep())){
1280 if(gMC->IsTrackStop()){
1281 gMC->TrackMomentum(p);
1282 m = gMC->TrackMass();
1287 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
1293 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
1295 // printf(" Dep. E = %f \n",hits[9]);
1297 }// NB -> Questa parentesi (chiude il primo IF) io la sposterei al fondo!???
1300 // *** Light production in fibres
1301 if((gMC->GetMedium() == fMedSensF1) || (gMC->GetMedium() == fMedSensF2)){
1303 //Select charged particles
1304 if((destep=gMC->Edep())){
1306 // 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 Float_t beta = ptot/p[3];
1313 else if((beta>=0.67) && (beta<=0.75)){
1316 if((beta>0.75) && (beta<=0.85)){
1319 if((beta>0.85) && (beta<=0.95)){
1326 // Angle between particle trajectory and fibre axis
1327 // 1 -> Momentum directions
1331 gMC->Gmtod(um,ud,2);
1332 // 2 -> Angle < limit angle
1333 Double_t alfar = TMath::ACos(ud[2]);
1334 Double_t alfa = alfar*kRaddeg;
1335 if(alfa>=110.) return;
1336 ialfa = Int_t(1.+alfa/2.);
1338 // Distance between particle trajectory and fibre axis
1339 gMC->TrackPosition(s);
1340 for(j=0; j<=2; j++){
1343 gMC->Gmtod(x,xdet,1);
1344 if(TMath::Abs(ud[0])>0.00001){
1345 Float_t dcoeff = ud[1]/ud[0];
1346 be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.));
1349 be = TMath::Abs(ud[0]);
1355 else if((vol[0]==2)){
1358 ibe = Int_t(be*1000.+1);
1360 //Looking into the light tables
1361 Float_t charge = gMC->TrackCharge();
1363 if((vol[0]==1)) { // (1) ZN fibres
1364 if(ibe>fNben) ibe=fNben;
1365 out = charge*charge*fTablen[ibeta][ialfa][ibe];
1366 nphe = gRandom->Poisson(out);
1367 // printf("ZN --- ibeta = %d, ialfa = %d, ibe = %d"
1368 // " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1369 if(gMC->GetMedium() == fMedSensF1){
1370 hits[7] = nphe; //fLightPMQ
1373 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
1377 hits[8] = nphe; //fLightPMC
1379 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
1382 else if((vol[0]==2)) { // (2) ZP fibres
1383 if(ibe>fNbep) ibe=fNbep;
1384 out = charge*charge*fTablep[ibeta][ialfa][ibe];
1385 nphe = gRandom->Poisson(out);
1386 // printf("ZP --- ibeta = %d, ialfa = %d, ibe = %d"
1387 // " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1388 if(gMC->GetMedium() == fMedSensF1){
1389 hits[7] = nphe; //fLightPMQ
1392 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
1396 hits[8] = nphe; //fLightPMC
1398 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
1401 else if((vol[0]==3)) { // (3) ZEM fibres
1402 if(ibe>fNbep) ibe=fNbep;
1403 out = charge*charge*fTablep[ibeta][ialfa][ibe];
1404 gMC->TrackPosition(s);
1405 for(j=0; j<=2; j++){
1408 // z-coordinate from ZEM front face
1409 // NB-> fPosZEM[2]+fZEMLength = -1000.+2*10.3 = 979.69 cm
1410 z = -xalic[2]+fPosZEM[2]+2*fZEMLength-xalic[1];
1411 // z = xalic[2]-fPosZEM[2]-fZEMLength-xalic[1]*(TMath::Tan(45.*kDegrad));
1412 // printf("\n fPosZEM[2]+2*fZEMLength = %f", fPosZEM[2]+2*fZEMLength);
1413 guiEff = guiPar[0]*(guiPar[1]*z*z+guiPar[2]*z+guiPar[3]);
1414 // printf("\n xalic[0] = %f xalic[1] = %f xalic[2] = %f z = %f \n",
1415 // xalic[0],xalic[1],xalic[2],z);
1417 nphe = gRandom->Poisson(out);
1418 // printf(" out*guiEff = %f nphe = %d", out, nphe);
1419 // printf("ZEM --- ibeta = %d, ialfa = %d, ibe = %d"
1420 // " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1422 hits[8] = nphe; //fLightPMC
1424 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);