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
144 // fPosZEM[2] = 830.;
150 //_____________________________________________________________________________
151 void AliZDCv2::CreateGeometry()
154 // Create the geometry for the Zero Degree Calorimeter version 2
155 //* Initialize COMMON block ZDC_CGEOM
162 //_____________________________________________________________________________
163 void AliZDCv2::CreateBeamLine()
166 Float_t zq, zd1, zd2;
167 Float_t conpar[9], tubpar[3], tubspar[5], boxpar[3];
170 Int_t *idtmed = fIdtmed->GetArray();
172 // -- Mother of the ZDCs (Vacuum PCON)
185 gMC->Gsvolu("ZDC ", "PCON", idtmed[11], conpar, 9);
186 gMC->Gspos("ZDC ", 1, "ALIC", 0., 0., 0., 0, "ONLY");
188 // -- FIRST SECTION OF THE BEAM PIPE (from compensator dipole to
189 // the beginning of D1)
193 // From beginning of ZDC volumes to beginning of D1
194 tubpar[2] = (5838.3-zd1)/2.;
195 gMC->Gsvolu("QT01", "TUBE", idtmed[7], tubpar, 3);
196 gMC->Gspos("QT01", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
198 //-- SECOND SECTION OF THE BEAM PIPE (from the end of D1 to the
201 //-- FROM MAGNETIC BEGINNING OF D1 TO MAGNETIC END OF D1 + 13.5 cm
202 //-- Cylindrical pipe (r = 3.47) + conical flare
204 // -> Beginning of D1
208 tubpar[1] = 3.47+0.2;
209 tubpar[2] = 958.5/2.;
210 gMC->Gsvolu("QT02", "TUBE", idtmed[7], tubpar, 3);
211 gMC->Gspos("QT02", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
220 gMC->Gsvolu("QC01", "CONE", idtmed[7], conpar, 5);
221 gMC->Gspos("QC01", 1, "ZDC ", 0., 0., -conpar[0]-zd1, 0, "ONLY");
228 gMC->Gsvolu("QT03", "TUBE", idtmed[7], tubpar, 3);
229 gMC->Gspos("QT03", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
236 gMC->Gsvolu("QT04", "TUBE", idtmed[7], tubpar, 3);
237 gMC->Gspos("QT04", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
239 zd1 += tubpar[2] * 2.;
244 gMC->Gsvolu("QT05", "TUBE", idtmed[7], tubpar, 3);
245 gMC->Gspos("QT05", 1, "ZDC ", 0., 0., -tubpar[0]-zd1, 0, "ONLY");
247 zd1 += tubpar[2] * 2.;
252 gMC->Gsvolu("QT06", "TUBE", idtmed[7], tubpar, 3);
253 gMC->Gspos("QT06", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
255 zd1 += tubpar[2] * 2.;
262 gMC->Gsvolu("QC02", "CONE", idtmed[7], conpar, 5);
263 gMC->Gspos("QC02", 1, "ZDC ", 0., 0., -conpar[0]-zd1, 0, "ONLY");
265 zd1 += conpar[0] * 2.;
270 gMC->Gsvolu("QT07", "TUBE", idtmed[7], tubpar, 3);
271 gMC->Gspos("QT07", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
273 zd1 += tubpar[2] * 2.;
280 gMC->Gsvolu("QC03", "CONE", idtmed[7], conpar, 5);
281 gMC->Gspos("QC03", 1, "ZDC ", 0., 0., -conpar[0]-zd1, 0, "ONLY");
283 zd1 += conpar[0] * 2.;
287 tubpar[2] = 205.8/2.;
288 gMC->Gsvolu("QT08", "TUBE", idtmed[7], tubpar, 3);
289 gMC->Gspos("QT08", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
291 zd1 += tubpar[2] * 2.;
295 // QT09 is 10 cm longer to accomodate TDI
296 tubpar[2] = 515.4/2.;
297 gMC->Gsvolu("QT09", "TUBE", idtmed[7], tubpar, 3);
298 gMC->Gspos("QT09", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
300 // --- Insert TDI (inside ZDC volume)
305 gMC->Gsvolu("QTD1", "BOX ", idtmed[7], boxpar, 3);
306 gMC->Gspos("QTD1", 1, "ZDC ", 3., 10.6, -tubpar[2]-zd1-56.3, 0, "ONLY");
307 gMC->Gspos("QTD1", 2, "ZDC ", 3., -10.6, -tubpar[2]-zd1-56.3, 0, "ONLY");
312 gMC->Gsvolu("QTD2", "BOX ", idtmed[6], boxpar, 3);
313 gMC->Gspos("QTD2", 1, "ZDC ", 8.6+boxpar[0], 0., -tubpar[2]-zd1-56.3, 0, "ONLY");
315 // tubspar[0] = 6.2; // R = 6.2 cm----------------------------------------
317 // tubspar[2] = 400./2.;
318 // tubspar[3] = 180.-62.5;
319 // tubspar[4] = 180.+62.5;
320 tubspar[0] = 10.5; // R = 10.5 cm------------------------------------------
322 tubspar[2] = 400./2.;
323 tubspar[3] = 180.-75.5;
324 tubspar[4] = 180.+75.5;
325 gMC->Gsvolu("QTD3", "TUBS", idtmed[6], tubspar, 5);
326 gMC->Gspos("QTD3", 1, "ZDC ", 0., 0., -tubpar[2]-zd1-56.3, 0, "ONLY");
328 zd1 += tubpar[2] * 2.;
332 // QT10 is 10 cm shorter
334 gMC->Gsvolu("QT10", "TUBE", idtmed[7], tubpar, 3);
335 gMC->Gspos("QT10", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
337 zd1 += tubpar[2] * 2.;
341 tubpar[2] = 778.5/2.;
342 gMC->Gsvolu("QT11", "TUBE", idtmed[7], tubpar, 3);
343 gMC->Gspos("QT11", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
345 zd1 += tubpar[2] * 2.;
347 conpar[0] = 14.18/2.;
352 gMC->Gsvolu("QC04", "CONE", idtmed[7], conpar, 5);
353 gMC->Gspos("QC04", 1, "ZDC ", 0., 0., -conpar[0]-zd1, 0, "ONLY");
355 zd1 += conpar[0] * 2.;
360 gMC->Gsvolu("QT12", "TUBE", idtmed[7], tubpar, 3);
361 gMC->Gspos("QT12", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
363 zd1 += tubpar[2] * 2.;
365 conpar[0] = 36.86/2.;
370 gMC->Gsvolu("QC05", "CONE", idtmed[7], conpar, 5);
371 gMC->Gspos("QC05", 1, "ZDC ", 0., 0., -conpar[0]-zd1, 0, "ONLY");
373 zd1 += conpar[0] * 2.;
377 tubpar[2] = 927.3/2.;
378 gMC->Gsvolu("QT13", "TUBE", idtmed[7], tubpar, 3);
379 gMC->Gspos("QT13", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
381 zd1 += tubpar[2] * 2.;
386 gMC->Gsvolu("QT14", "TUBE", idtmed[8], tubpar, 3);
387 gMC->Gspos("QT14", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
389 zd1 += tubpar[2] * 2.;
394 gMC->Gsvolu("QT15", "TUBE", idtmed[11], tubpar, 3);
396 //-- Position QT15 inside QT14
397 gMC->Gspos("QT15", 1, "QT14", -7.7, 0., 0., 0, "ONLY");
402 gMC->Gsvolu("QT16", "TUBE", idtmed[11], tubpar, 3);
404 //-- Position QT16 inside QT14
405 gMC->Gspos("QT16", 1, "QT14", 7.7, 0., 0., 0, "ONLY");
408 //-- BEAM PIPE BETWEEN END OF CONICAL PIPE AND BEGINNING OF D2
412 tubpar[2] = 680.8/2.;
413 gMC->Gsvolu("QT17", "TUBE", idtmed[7], tubpar, 3);
417 tubpar[2] = 680.8/2.;
418 gMC->Gsvolu("QT18", "TUBE", idtmed[7], tubpar, 3);
422 Float_t angle = 0.143*kDegrad;
424 AliMatrix(im1, 90.-0.143, 0., 90., 90., 0.143, 180.);
425 gMC->Gspos("QT17", 1, "ZDC ", TMath::Sin(angle) * 680.8/ 2. - 9.4,
426 0., -tubpar[2]-zd1, im1, "ONLY");
428 AliMatrix(im2, 90.+0.143, 0., 90., 90., 0.143, 0.);
429 gMC->Gspos("QT18", 1, "ZDC ", 9.7 - TMath::Sin(angle) * 680.8 / 2.,
430 0., -tubpar[2]-zd1, im2, "ONLY");
432 // -- BEAM PIPE ON THE OTHER SIDE OF I.P. TILL THE EM ZDC
433 // -- 25 Mar 2003 -> This seem to be no longer needed
435 Float_t zb = -800.; // End of QBPM (from AliPIPEv0.cxx)
438 tubpar[2] = (1050+zb)/2.; // From the end of QBPM to z=1050.
439 gMC->Gsvolu("QT19", "TUBE", idtmed[7], tubpar, 3);
440 gMC->Gspos("QT19", 1, "ALIC", 0., 0., zb - tubpar[2], 0, "ONLY");
443 // -- END OF BEAM PIPE VOLUME DEFINITION.
444 // ----------------------------------------------------------------
446 // ----------------------------------------------------------------
447 // -- MAGNET DEFINITION -> LHC OPTICS 6.4
448 // ----------------------------------------------------------------
453 // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT
456 // -- GAP (VACUUM WITH MAGNETIC FIELD)
461 gMC->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3);
468 gMC->Gsvolu("YMQL", "TUBE", idtmed[7], tubpar, 3);
470 gMC->Gspos("MQXL", 1, "ZDC ", 0., 0., -tubpar[2]-zq, 0, "ONLY");
471 gMC->Gspos("YMQL", 1, "ZDC ", 0., 0., -tubpar[2]-zq, 0, "ONLY");
473 gMC->Gspos("MQXL", 2, "ZDC ", 0., 0., -tubpar[2]-zq-2430., 0, "ONLY");
474 gMC->Gspos("YMQL", 2, "ZDC ", 0., 0., -tubpar[2]-zq-2430., 0, "ONLY");
477 // -- GAP (VACUUM WITH MAGNETIC FIELD)
482 gMC->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3);
489 gMC->Gsvolu("YMQ ", "TUBE", idtmed[7], tubpar, 3);
491 gMC->Gspos("MQX ", 1, "ZDC ", 0., 0., -tubpar[2]-zq-908.5, 0, "ONLY");
492 gMC->Gspos("YMQ ", 1, "ZDC ", 0., 0., -tubpar[2]-zq-908.5, 0, "ONLY");
494 gMC->Gspos("MQX ", 2, "ZDC ", 0., 0., -tubpar[2]-zq-1558.5, 0, "ONLY");
495 gMC->Gspos("YMQ ", 2, "ZDC ", 0., 0., -tubpar[2]-zq-1558.5, 0, "ONLY");
497 // -- SEPARATOR DIPOLE D1
501 // -- GAP (VACUUM WITH MAGNETIC FIELD)
506 gMC->Gsvolu("MD1 ", "TUBE", idtmed[11], tubpar, 3);
508 // -- Insert horizontal Cu plates inside D1
509 // -- (to simulate the vacuum chamber)
511 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.98+0.2)*(2.98+0.2));
514 gMC->Gsvolu("MD1V", "BOX ", idtmed[6], boxpar, 3);
515 gMC->Gspos("MD1V", 1, "MD1 ", 0., 2.98+boxpar[1], 0., 0, "ONLY");
516 gMC->Gspos("MD1V", 2, "MD1 ", 0., -2.98-boxpar[1], 0., 0, "ONLY");
523 gMC->Gsvolu("YD1 ", "TUBE", idtmed[7], tubpar, 3);
525 gMC->Gspos("YD1 ", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY");
526 gMC->Gspos("MD1 ", 1, "YD1 ", 0., 0., 0., 0, "ONLY");
531 // --- LHC optics v6.4
534 // -- GAP (VACUUM WITH MAGNETIC FIELD)
539 gMC->Gsvolu("MD2 ", "TUBE", idtmed[11], tubpar, 3);
546 gMC->Gsvolu("YD2 ", "TUBE", idtmed[7], tubpar, 3);
548 gMC->Gspos("YD2 ", 1, "ZDC ", 0., 0., -tubpar[2]-zd2, 0, "ONLY");
550 gMC->Gspos("MD2 ", 1, "YD2 ", -9.4, 0., 0., 0, "ONLY");
551 gMC->Gspos("MD2 ", 2, "YD2 ", 9.4, 0., 0., 0, "ONLY");
553 // -- END OF MAGNET DEFINITION
556 //_____________________________________________________________________________
557 void AliZDCv2::CreateZDC()
560 Float_t DimPb[6], DimVoid[6];
562 Int_t *idtmed = fIdtmed->GetArray();
564 // Parameters for hadronic calorimeters geometry
565 // NB -> parameters used ONLY in CreateZDC()
566 Float_t fGrvZN[3] = {0.03, 0.03, 50.}; // Grooves for neutron detector
567 Float_t fGrvZP[3] = {0.04, 0.04, 75.}; // Grooves for proton detector
568 Int_t fDivZN[3] = {11, 11, 0}; // Division for neutron detector
569 Int_t fDivZP[3] = {7, 15, 0}; // Division for proton detector
570 Int_t fTowZN[2] = {2, 2}; // Tower for neutron detector
571 Int_t fTowZP[2] = {4, 1}; // Tower for proton detector
573 // Parameters for EM calorimeter geometry
574 // NB -> parameters used ONLY in CreateZDC()
575 Float_t fDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
576 Float_t fDimZEMAir = 0.001; // scotch
577 Float_t fFibRadZEM = 0.0315; // External fiber radius (including cladding)
578 Int_t fDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
579 Float_t fDimZEM0 = 2*fDivZEM[2]*(fDimZEMPb+fDimZEMAir+fFibRadZEM*(TMath::Sqrt(2.)));
580 fZEMLength = fDimZEM0;
581 Float_t fDimZEM[6] = {fDimZEM0, 3.5, 3.5, 45., 0., 0.}; // Dimensions of EM detector
582 Float_t fFibZEM2 = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-fFibRadZEM;
583 Float_t fFibZEM[3] = {0., 0.0275, fFibZEM2}; // Fibers for EM calorimeter
586 //-- Create calorimeters geometry
588 // -------------------------------------------------------------------------------
589 //--> Neutron calorimeter (ZN)
591 gMC->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material
592 gMC->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material
593 gMC->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3);
594 gMC->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3);
595 gMC->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3);
596 gMC->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves
597 gMC->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3);
598 gMC->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3);
599 gMC->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3);
601 // Divide ZNEU in towers (for hits purposes)
603 gMC->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower
604 gMC->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower
606 //-- Divide ZN1 in minitowers
607 // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS,
608 // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS
609 // (4 fibres per minitower)
611 gMC->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices
612 gMC->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks
614 // --- Position the empty grooves in the sticks (4 grooves per stick)
615 Float_t dx = fDimZN[0] / fDivZN[0] / 4.;
616 Float_t dy = fDimZN[1] / fDivZN[1] / 4.;
618 gMC->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY");
619 gMC->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY");
620 gMC->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY");
621 gMC->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY");
623 // --- Position the fibers in the grooves
624 gMC->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY");
625 gMC->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY");
626 gMC->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY");
627 gMC->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY");
629 // --- Position the neutron calorimeter in ZDC
630 gMC->Gspos("ZNEU", 1, "ZDC ", fPosZN[0], fPosZN[1], fPosZN[2] - fDimZN[2], 0, "ONLY");
633 // -------------------------------------------------------------------------------
634 //--> Proton calorimeter (ZP)
636 gMC->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material
637 gMC->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material
638 gMC->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3);
639 gMC->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3);
640 gMC->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3);
641 gMC->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves
642 gMC->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3);
643 gMC->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3);
644 gMC->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3);
646 //-- Divide ZPRO in towers(for hits purposes)
648 gMC->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower
649 gMC->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower
652 //-- Divide ZP1 in minitowers
653 // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER,
654 // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER
655 // (4 fiber per minitower)
657 gMC->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices
658 gMC->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks
660 // --- Position the empty grooves in the sticks (4 grooves per stick)
661 dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.;
662 dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.;
664 gMC->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY");
665 gMC->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY");
666 gMC->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY");
667 gMC->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY");
669 // --- Position the fibers in the grooves
670 gMC->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY");
671 gMC->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY");
672 gMC->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY");
673 gMC->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY");
676 // --- Position the proton calorimeter in ZDC
677 gMC->Gspos("ZPRO", 1, "ZDC ", fPosZP[0], fPosZP[1], fPosZP[2] - fDimZP[2], 0, "ONLY");
680 // -------------------------------------------------------------------------------
681 // -> EM calorimeter (ZEM)
683 gMC->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6);
687 gMC->Matrix(irot1,180.,0.,90.,90.,90.,0.); // Rotation matrix 1
688 gMC->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]);// Rotation matrix 2
689 // printf("irot1 = %d, irot2 = %d \n", irot1, irot2);
691 gMC->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material
693 gMC->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches
695 DimPb[0] = fDimZEMPb; // Lead slices
696 DimPb[1] = fDimZEM[2];
697 DimPb[2] = fDimZEM[1];
698 DimPb[3] = 90.-fDimZEM[3];
701 gMC->Gsvolu("ZEL0", "PARA", idtmed[5], DimPb, 6);
702 gMC->Gsvolu("ZEL1", "PARA", idtmed[5], DimPb, 6);
703 // gMC->Gsvolu("ZEL2", "PARA", idtmed[5], DimPb, 6);
705 // --- Position the lead slices in the tranche
706 Float_t zTran = fDimZEM[0]/fDivZEM[2];
707 Float_t zTrPb = -zTran+fDimZEMPb;
708 gMC->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY");
709 gMC->Gspos("ZEL1", 1, "ZETR", fDimZEMPb, 0., 0., 0, "ONLY");
711 // --- Vacuum zone (to be filled with fibres)
712 DimVoid[0] = (zTran-2*fDimZEMPb)/2.;
713 DimVoid[1] = fDimZEM[2];
714 DimVoid[2] = fDimZEM[1];
715 DimVoid[3] = 90.-fDimZEM[3];
718 gMC->Gsvolu("ZEV0", "PARA", idtmed[10], DimVoid,6);
719 gMC->Gsvolu("ZEV1", "PARA", idtmed[10], DimVoid,6);
721 // --- Divide the vacuum slice into sticks along x axis
722 gMC->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3);
723 gMC->Gsdvn("ZES1", "ZEV1", fDivZEM[0], 3);
725 // --- Positioning the fibers into the sticks
726 gMC->Gspos("ZEMF", 1,"ZES0", 0., 0., 0., irot2, "ONLY");
727 gMC->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY");
729 // --- Positioning the vacuum slice into the tranche
730 Float_t DisplFib = fDimZEM[1]/fDivZEM[0];
731 gMC->Gspos("ZEV0", 1,"ZETR", -DimVoid[0], 0., 0., 0, "ONLY");
732 gMC->Gspos("ZEV1", 1,"ZETR", -DimVoid[0]+zTran, 0., DisplFib, 0, "ONLY");
734 // --- Positioning the ZEM into the ZDC - rotation for 90 degrees
735 // NB -> In AliZDCv2 ZEM is positioned in ALIC (instead of in ZDC) volume
736 // beacause it's impossible to make a ZDC pcon volume to contain
737 // both hadronics and EM calorimeters.
738 gMC->Gspos("ZEM ", 1,"ALIC", fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
740 // Second EM ZDC (same side w.r.t. IP, just on the other side w.r.t. beam pipe)
741 gMC->Gspos("ZEM ", 2,"ALIC", -fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
743 // --- Adding last slice at the end of the EM calorimeter
744 // Float_t zLastSlice = fPosZEM[2]+fDimZEMPb+fDimZEM[0];
745 // gMC->Gspos("ZEL2", 1,"ALIC", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY");
749 //_____________________________________________________________________________
750 void AliZDCv2::DrawModule()
753 // Draw a shaded view of the Zero Degree Calorimeter version 1
756 // Set everything unseen
757 gMC->Gsatt("*", "seen", -1);
759 // Set ALIC mother transparent
760 gMC->Gsatt("ALIC","SEEN",0);
762 // Set the volumes visible
763 gMC->Gsatt("ZDC ","SEEN",0);
764 gMC->Gsatt("QT01","SEEN",1);
765 gMC->Gsatt("QT02","SEEN",1);
766 gMC->Gsatt("QT03","SEEN",1);
767 gMC->Gsatt("QT04","SEEN",1);
768 gMC->Gsatt("QT05","SEEN",1);
769 gMC->Gsatt("QT06","SEEN",1);
770 gMC->Gsatt("QT07","SEEN",1);
771 gMC->Gsatt("QT08","SEEN",1);
772 gMC->Gsatt("QT09","SEEN",1);
773 gMC->Gsatt("QT10","SEEN",1);
774 gMC->Gsatt("QT11","SEEN",1);
775 gMC->Gsatt("QT12","SEEN",1);
776 gMC->Gsatt("QT13","SEEN",1);
777 gMC->Gsatt("QT14","SEEN",1);
778 gMC->Gsatt("QT15","SEEN",1);
779 gMC->Gsatt("QT16","SEEN",1);
780 gMC->Gsatt("QT17","SEEN",1);
781 gMC->Gsatt("QT18","SEEN",1);
782 gMC->Gsatt("QC01","SEEN",1);
783 gMC->Gsatt("QC02","SEEN",1);
784 gMC->Gsatt("QC03","SEEN",1);
785 gMC->Gsatt("QC04","SEEN",1);
786 gMC->Gsatt("QC05","SEEN",1);
787 gMC->Gsatt("QTD1","SEEN",1);
788 gMC->Gsatt("QTD2","SEEN",1);
789 gMC->Gsatt("QTD3","SEEN",1);
790 gMC->Gsatt("MQXL","SEEN",1);
791 gMC->Gsatt("YMQL","SEEN",1);
792 gMC->Gsatt("MQX ","SEEN",1);
793 gMC->Gsatt("YMQ ","SEEN",1);
794 gMC->Gsatt("ZQYX","SEEN",1);
795 gMC->Gsatt("MD1 ","SEEN",1);
796 gMC->Gsatt("MD1V","SEEN",1);
797 gMC->Gsatt("YD1 ","SEEN",1);
798 gMC->Gsatt("MD2 ","SEEN",1);
799 gMC->Gsatt("YD2 ","SEEN",1);
800 gMC->Gsatt("ZNEU","SEEN",0);
801 gMC->Gsatt("ZNF1","SEEN",0);
802 gMC->Gsatt("ZNF2","SEEN",0);
803 gMC->Gsatt("ZNF3","SEEN",0);
804 gMC->Gsatt("ZNF4","SEEN",0);
805 gMC->Gsatt("ZNG1","SEEN",0);
806 gMC->Gsatt("ZNG2","SEEN",0);
807 gMC->Gsatt("ZNG3","SEEN",0);
808 gMC->Gsatt("ZNG4","SEEN",0);
809 gMC->Gsatt("ZNTX","SEEN",0);
810 gMC->Gsatt("ZN1 ","COLO",4);
811 gMC->Gsatt("ZN1 ","SEEN",1);
812 gMC->Gsatt("ZNSL","SEEN",0);
813 gMC->Gsatt("ZNST","SEEN",0);
814 gMC->Gsatt("ZPRO","SEEN",0);
815 gMC->Gsatt("ZPF1","SEEN",0);
816 gMC->Gsatt("ZPF2","SEEN",0);
817 gMC->Gsatt("ZPF3","SEEN",0);
818 gMC->Gsatt("ZPF4","SEEN",0);
819 gMC->Gsatt("ZPG1","SEEN",0);
820 gMC->Gsatt("ZPG2","SEEN",0);
821 gMC->Gsatt("ZPG3","SEEN",0);
822 gMC->Gsatt("ZPG4","SEEN",0);
823 gMC->Gsatt("ZPTX","SEEN",0);
824 gMC->Gsatt("ZP1 ","COLO",6);
825 gMC->Gsatt("ZP1 ","SEEN",1);
826 gMC->Gsatt("ZPSL","SEEN",0);
827 gMC->Gsatt("ZPST","SEEN",0);
828 gMC->Gsatt("ZEM ","COLO",7);
829 gMC->Gsatt("ZEM ","SEEN",1);
830 gMC->Gsatt("ZEMF","SEEN",0);
831 gMC->Gsatt("ZETR","SEEN",0);
832 gMC->Gsatt("ZEL0","SEEN",0);
833 gMC->Gsatt("ZEL1","SEEN",0);
834 gMC->Gsatt("ZEL2","SEEN",0);
835 gMC->Gsatt("ZEV0","SEEN",0);
836 gMC->Gsatt("ZEV1","SEEN",0);
837 gMC->Gsatt("ZES0","SEEN",0);
838 gMC->Gsatt("ZES1","SEEN",0);
841 gMC->Gdopt("hide", "on");
842 gMC->Gdopt("shad", "on");
843 gMC->Gsatt("*", "fill", 7);
844 gMC->SetClipBox(".");
845 gMC->SetClipBox("*", 0, 100, -100, 100, 12000, 16000);
847 gMC->Gdraw("alic", 40, 30, 0, 488, 220, .07, .07);
848 gMC->Gdhead(1111, "Zero Degree Calorimeter Version 1");
849 gMC->Gdman(18, 4, "MAN");
852 //_____________________________________________________________________________
853 void AliZDCv2::CreateMaterials()
856 // Create Materials for the Zero Degree Calorimeter
859 Int_t *idtmed = fIdtmed->GetArray();
861 Float_t dens, ubuf[1], wmat[2], a[2], z[2], deemax = -1;
864 // --- Store in UBUF r0 for nuclear radius calculation R=r0*A**1/3
866 // --- Tantalum -> ZN passive material
868 AliMaterial(1, "TANT", 180.95, 73., 16.65, .4, 11.9, ubuf, 1);
872 // AliMaterial(1, "TUNG", 183.85, 74., 19.3, .35, 10.3, ubuf, 1);
874 // --- Brass (CuZn) -> ZP passive material
882 AliMixture(2, "BRASS ", a, z, dens, 2, wmat);
892 AliMixture(3, "SIO2 ", a, z, dens, -2, wmat);
896 AliMaterial(5, "LEAD", 207.19, 82., 11.35, .56, 18.5, ubuf, 1);
900 AliMaterial(6, "COPP", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
902 // --- Iron (energy loss taken into account)
904 AliMaterial(7, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
906 // --- Iron (no energy loss)
908 AliMaterial(8, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
910 // --- Vacuum (no magnetic field)
911 AliMaterial(10, "VOID", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
913 // --- Vacuum (with magnetic field)
914 AliMaterial(11, "VOIM", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
916 // --- Air (no magnetic field)
917 AliMaterial(12, "Air $", 14.61, 7.3, .001205, 30420., 67500., ubuf, 0);
919 // --- Definition of tracking media:
921 // --- Tantalum = 1 ;
923 // --- Fibers (SiO2) = 3 ;
924 // --- Fibers (SiO2) = 4 ;
927 // --- Iron (with energy loss) = 7 ;
928 // --- Iron (without energy loss) = 8 ;
929 // --- Vacuum (no field) = 10
930 // --- Vacuum (with field) = 11
931 // --- Air (no field) = 12
934 // --- Tracking media parameters
935 Float_t epsil = .01, stmin=0.01, stemax = 1.;
936 // Int_t isxfld = gAlice->Field()->Integ();
937 Float_t fieldm = 0., tmaxfd = 0.;
938 Int_t ifield = 0, isvolActive = 1, isvol = 0, inofld = 0;
940 AliMedium(1, "ZTANT", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
941 // AliMedium(1, "ZW", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
942 AliMedium(2, "ZBRASS",2, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
943 AliMedium(3, "ZSIO2", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
944 AliMedium(4, "ZQUAR", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
945 AliMedium(5, "ZLEAD", 5, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
946 // AliMedium(6, "ZCOPP", 6, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
947 // AliMedium(7, "ZIRON", 7, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
948 AliMedium(6, "ZCOPP", 6, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
949 AliMedium(7, "ZIRON", 7, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
950 AliMedium(8, "ZIRONN",8, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
951 AliMedium(10,"ZVOID",10, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
952 AliMedium(12,"ZAIR", 12, 0, inofld, fieldm, tmaxfd, stemax,deemax, epsil, stmin);
956 AliMedium(11, "ZVOIM", 11, isvol, ifield, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
958 // Thresholds for showering in the ZDCs
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 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
971 gMC->Gstpar(idtmed[i], "CUTELE", .001);
972 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
973 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
975 // Avoid too detailed showering in TDI
977 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
978 gMC->Gstpar(idtmed[i], "CUTELE", .1);
979 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
980 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
982 // Avoid too detailed showering along the beam line
983 i = 7; //iron with energy loss (ZIRON)
984 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
985 gMC->Gstpar(idtmed[i], "CUTELE", .1);
986 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
987 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
989 // Avoid too detailed showering along the beam line
990 i = 8; //iron with energy loss (ZIRONN)
991 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
992 gMC->Gstpar(idtmed[i], "CUTELE", .1);
993 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
994 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
996 // Avoid interaction in fibers (only energy loss allowed)
997 i = 3; //fibers (ZSI02)
998 gMC->Gstpar(idtmed[i], "DCAY", 0.);
999 gMC->Gstpar(idtmed[i], "MULS", 0.);
1000 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1001 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1002 gMC->Gstpar(idtmed[i], "LOSS", 1.);
1003 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1004 gMC->Gstpar(idtmed[i], "COMP", 0.);
1005 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1006 gMC->Gstpar(idtmed[i], "BREM", 0.);
1007 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1008 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1009 gMC->Gstpar(idtmed[i], "HADR", 0.);
1010 i = 4; //fibers (ZQUAR)
1011 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1012 gMC->Gstpar(idtmed[i], "MULS", 0.);
1013 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1014 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1015 gMC->Gstpar(idtmed[i], "LOSS", 1.);
1016 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1017 gMC->Gstpar(idtmed[i], "COMP", 0.);
1018 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1019 gMC->Gstpar(idtmed[i], "BREM", 0.);
1020 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1021 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1022 gMC->Gstpar(idtmed[i], "HADR", 0.);
1024 // Avoid interaction in void
1025 i = 11; //void with field
1026 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1027 gMC->Gstpar(idtmed[i], "MULS", 0.);
1028 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1029 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1030 gMC->Gstpar(idtmed[i], "LOSS", 0.);
1031 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1032 gMC->Gstpar(idtmed[i], "COMP", 0.);
1033 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1034 gMC->Gstpar(idtmed[i], "BREM", 0.);
1035 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1036 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1037 gMC->Gstpar(idtmed[i], "HADR", 0.);
1040 fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material
1041 fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material
1042 fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1
1043 fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2
1044 fMedSensZEM = idtmed[5]; // Sensitive volume: ZEM passive material
1045 fMedSensTDI = idtmed[6]; // Sensitive volume: TDI Cu shield
1046 fMedSensPI = idtmed[7]; // Sensitive volume: beam pipes
1047 fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves
1050 //_____________________________________________________________________________
1051 void AliZDCv2::Init()
1056 //_____________________________________________________________________________
1057 void AliZDCv2::InitTables()
1061 char *lightfName1,*lightfName2,*lightfName3,*lightfName4,
1062 *lightfName5,*lightfName6,*lightfName7,*lightfName8;
1063 FILE *fp1, *fp2, *fp3, *fp4, *fp5, *fp6, *fp7, *fp8;
1065 // --- Reading light tables for ZN
1066 lightfName1 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362207s");
1067 if((fp1 = fopen(lightfName1,"r")) == NULL){
1068 printf("Cannot open file fp1 \n");
1071 lightfName2 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362208s");
1072 if((fp2 = fopen(lightfName2,"r")) == NULL){
1073 printf("Cannot open file fp2 \n");
1076 lightfName3 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362209s");
1077 if((fp3 = fopen(lightfName3,"r")) == NULL){
1078 printf("Cannot open file fp3 \n");
1081 lightfName4 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362210s");
1082 if((fp4 = fopen(lightfName4,"r")) == NULL){
1083 printf("Cannot open file fp4 \n");
1087 for(k=0; k<fNalfan; k++){
1088 for(j=0; j<fNben; j++){
1089 fscanf(fp1,"%f",&fTablen[0][k][j]);
1090 fscanf(fp2,"%f",&fTablen[1][k][j]);
1091 fscanf(fp3,"%f",&fTablen[2][k][j]);
1092 fscanf(fp4,"%f",&fTablen[3][k][j]);
1100 // --- Reading light tables for ZP and ZEM
1101 lightfName5 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552207s");
1102 if((fp5 = fopen(lightfName5,"r")) == NULL){
1103 printf("Cannot open file fp5 \n");
1106 lightfName6 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552208s");
1107 if((fp6 = fopen(lightfName6,"r")) == NULL){
1108 printf("Cannot open file fp6 \n");
1111 lightfName7 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552209s");
1112 if((fp7 = fopen(lightfName7,"r")) == NULL){
1113 printf("Cannot open file fp7 \n");
1116 lightfName8 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552210s");
1117 if((fp8 = fopen(lightfName8,"r")) == NULL){
1118 printf("Cannot open file fp8 \n");
1122 for(k=0; k<fNalfap; k++){
1123 for(j=0; j<fNbep; j++){
1124 fscanf(fp5,"%f",&fTablep[0][k][j]);
1125 fscanf(fp6,"%f",&fTablep[1][k][j]);
1126 fscanf(fp7,"%f",&fTablep[2][k][j]);
1127 fscanf(fp8,"%f",&fTablep[3][k][j]);
1135 //_____________________________________________________________________________
1136 void AliZDCv2::StepManager()
1139 // Routine called at every step in the Zero Degree Calorimeters
1142 Int_t j, vol[2], ibeta=0, ialfa, ibe, nphe;
1143 Float_t x[3], xdet[3], destep, hits[10], m, ekin, um[3], ud[3], be, radius, out;
1144 Float_t xalic[3], z, GuiEff, GuiPar[4]={0.31,-0.0004,0.0197,0.7958};
1145 TLorentzVector s, p;
1148 for (j=0;j<10;j++) hits[j]=0;
1150 // --- This part is for no shower developement in beam pipe and TDI
1151 // If particle interacts with beam pipe or TDI -> return
1152 if((gMC->GetMedium() == fMedSensPI) || (gMC->GetMedium() == fMedSensTDI)){
1153 // If option NoShower is set -> StopTrack
1155 if(gMC->GetMedium() == fMedSensPI) {
1156 knamed = gMC->CurrentVolName();
1157 if((!strncmp(knamed,"MQ",2)) || (!strncmp(knamed,"YM",2))) fpLostIT += 1;
1158 if((!strncmp(knamed,"MD1",3))|| (!strncmp(knamed,"YD1",2))) fpLostD1 += 1;
1160 else if(gMC->GetMedium() == fMedSensTDI) fpLostTDI += 1;
1162 //printf("\n # of p lost in Inner Triplet = %d\n",fpLostIT);
1163 //printf("\n # of p lost in D1 = %d\n",fpLostD1);
1164 //printf("\n # of p lost in TDI = %d\n\n",fpLostTDI);
1169 if((gMC->GetMedium() == fMedSensZN) || (gMC->GetMedium() == fMedSensZP) ||
1170 (gMC->GetMedium() == fMedSensGR) || (gMC->GetMedium() == fMedSensF1) ||
1171 (gMC->GetMedium() == fMedSensF2) || (gMC->GetMedium() == fMedSensZEM)){
1174 //Particle coordinates
1175 gMC->TrackPosition(s);
1176 for(j=0; j<=2; j++){
1183 // Determine in which ZDC the particle is
1184 knamed = gMC->CurrentVolName();
1185 if(!strncmp(knamed,"ZN",2)){
1188 else if(!strncmp(knamed,"ZP",2)){
1191 else if(!strncmp(knamed,"ZE",2)){
1195 // Determine in which quadrant the particle is
1197 if(vol[0]==1){ //Quadrant in ZN
1198 // Calculating particle coordinates inside ZN
1199 xdet[0] = x[0]-fPosZN[0];
1200 xdet[1] = x[1]-fPosZN[1];
1201 // Calculating quadrant in ZN
1203 if(xdet[1]>=0.) vol[1]=1;
1204 else if(xdet[1]<0.) vol[1]=3;
1206 else if(xdet[0]>0.){
1207 if(xdet[1]>=0.) vol[1]=2;
1208 else if(xdet[1]<0.) vol[1]=4;
1210 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
1211 printf("\n StepManager->ERROR in ZN!!! vol[1] = %d, xdet[0] = %f,"
1212 "xdet[1] = %f\n",vol[1], xdet[0], xdet[1]);
1215 else if(vol[0]==2){ //Quadrant in ZP
1216 // Calculating particle coordinates inside ZP
1217 xdet[0] = x[0]-fPosZP[0];
1218 xdet[1] = x[1]-fPosZP[1];
1219 if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01;
1220 if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01;
1221 // Calculating tower in ZP
1222 Float_t xqZP = xdet[0]/(fDimZP[0]/2.);
1223 for(int i=1; i<=4; i++){
1224 if(xqZP>=(i-3) && xqZP<(i-2)){
1229 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
1230 printf(" StepManager->ERROR in ZP!!! vol[1] = %d, xdet[0] = %f,"
1231 "xdet[1] = %f",vol[1], xdet[0], xdet[1]);
1234 // Quadrant in ZEM: vol[1] = 1 -> particle in 1st ZEM (placed at x = 8.5 cm)
1235 // vol[1] = 2 -> particle in 2nd ZEM (placed at x = -8.5 cm)
1236 else if(vol[0] == 3){
1239 // Particle x-coordinate inside ZEM1
1240 xdet[0] = x[0]-fPosZEM[0];
1244 // Particle x-coordinate inside ZEM2
1245 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\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
1308 gMC->TrackMomentum(p);
1309 Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]);
1310 if(p[3] > 0.00001) beta = ptot/p[3];
1315 else if((beta>=0.67) && (beta<=0.75)){
1318 if((beta>0.75) && (beta<=0.85)){
1321 if((beta>0.85) && (beta<=0.95)){
1328 // Angle between particle trajectory and fibre axis
1329 // 1 -> Momentum directions
1333 gMC->Gmtod(um,ud,2);
1334 // 2 -> Angle < limit angle
1335 Double_t alfar = TMath::ACos(ud[2]);
1336 Double_t alfa = alfar*kRaddeg;
1337 if(alfa>=110.) return;
1338 ialfa = Int_t(1.+alfa/2.);
1340 // Distance between particle trajectory and fibre axis
1341 gMC->TrackPosition(s);
1342 for(j=0; j<=2; j++){
1345 gMC->Gmtod(x,xdet,1);
1346 if(TMath::Abs(ud[0])>0.00001){
1347 Float_t dcoeff = ud[1]/ud[0];
1348 be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.));
1351 be = TMath::Abs(ud[0]);
1357 else if((vol[0]==2)){
1360 ibe = Int_t(be*1000.+1);
1362 //Looking into the light tables
1363 Float_t charge = gMC->TrackCharge();
1365 if((vol[0]==1)) { // (1) ZN fibres
1366 if(ibe>fNben) ibe=fNben;
1367 out = charge*charge*fTablen[ibeta][ialfa][ibe];
1368 nphe = gRandom->Poisson(out);
1369 // printf("ZN --- ibeta = %d, ialfa = %d, ibe = %d"
1370 // " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1371 if(gMC->GetMedium() == fMedSensF1){
1372 hits[7] = nphe; //fLightPMQ
1375 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
1379 hits[8] = nphe; //fLightPMC
1381 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
1384 else if((vol[0]==2)) { // (2) ZP fibres
1385 if(ibe>fNbep) ibe=fNbep;
1386 out = charge*charge*fTablep[ibeta][ialfa][ibe];
1387 nphe = gRandom->Poisson(out);
1388 // printf("ZP --- ibeta = %d, ialfa = %d, ibe = %d"
1389 // " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1390 if(gMC->GetMedium() == fMedSensF1){
1391 hits[7] = nphe; //fLightPMQ
1394 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
1398 hits[8] = nphe; //fLightPMC
1400 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
1403 else if((vol[0]==3)) { // (3) ZEM fibres
1404 if(ibe>fNbep) ibe=fNbep;
1405 out = charge*charge*fTablep[ibeta][ialfa][ibe];
1406 gMC->TrackPosition(s);
1407 for(j=0; j<=2; j++){
1410 // z-coordinate from ZEM front face
1411 // NB-> fPosZEM[2]+fZEMLength = -1000.+2*10.3 = 979.69 cm
1412 z = -xalic[2]+fPosZEM[2]+2*fZEMLength-xalic[1];
1413 // z = xalic[2]-fPosZEM[2]-fZEMLength-xalic[1]*(TMath::Tan(45.*kDegrad));
1414 // printf("\n fPosZEM[2]+2*fZEMLength = %f", fPosZEM[2]+2*fZEMLength);
1415 GuiEff = GuiPar[0]*(GuiPar[1]*z*z+GuiPar[2]*z+GuiPar[3]);
1416 // printf("\n xalic[0] = %f xalic[1] = %f xalic[2] = %f z = %f \n",
1417 // xalic[0],xalic[1],xalic[2],z);
1419 nphe = gRandom->Poisson(out);
1420 // printf(" out*GuiEff = %f nphe = %d", out, nphe);
1421 // printf("ZEM --- ibeta = %d, ialfa = %d, ibe = %d"
1422 // " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1425 hits[8] = nphe; //fLightPMC (ZEM1)
1427 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
1430 hits[7] = nphe; //fLightPMQ (ZEM2)
1433 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);