fWSN->Eval(0.001) to avoid fpe.
[u/mrichter/AliRoot.git] / PMD / AliPMDv1.cxx
CommitLineData
c4561145 1/***************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
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 **************************************************************************/
b1952773 15/*
16$Log$
c7113aab 17Revision 1.27 2003/10/08 12:56:58 bnandi
18gaspmd[2] value changed from 7.0 to 0.25
19
fbd5cd1d 20Revision 1.26 2003/10/03 06:04:10 bnandi
21z_psa and z_psb bugs fixed
22
96c4b1d1 23Revision 1.25 2003/10/01 11:08:04 bnandi
24changes for NewIO
25
788c3ee6 26Revision 1.24 2003/10/01 08:32:51 hristov
27CurrentTrack replaced by GetCurrentTrackNumber
28
d1f5ecc3 29Revision 1.23 2003/10/01 05:07:51 bnandi
30New geometry in new Alice Coordinate system
31
b1952773 32New rectangular geometry for ALICE PMD - Bedanga Mohanty and Y. P. Viyogi
33June 2003
34*/
c4561145 35//
36///////////////////////////////////////////////////////////////////////////////
37// //
38// Photon Multiplicity Detector Version 1 //
39// //
40//Begin_Html
41/*
42<img src="picts/AliPMDv1Class.gif">
43*/
44//End_Html
45// //
46///////////////////////////////////////////////////////////////////////////////
47////
48
88cb7938 49#include "AliPMDv1.h"
50#include "AliRun.h"
b1952773 51#include "AliConst.h"
52#include "AliMagF.h"
788c3ee6 53#include "Riostream.h"
54#include <TVirtualMC.h>
c4561145 55
b1952773 56static Int_t ncol_um1,ncol_um2, nrow_um1, nrow_um2;
57static Int_t kdet;
58static Float_t sm_length_ax,sm_length_ay;
59static Float_t sm_length_bx,sm_length_by;
60static Float_t zdist, zdist1;
61static Float_t sm_thick, cell_radius, cell_wall, cell_depth;
62static Float_t boundary, th_base, th_air, th_pcb;
63static Float_t th_lead, th_steel;
c4561145 64
65ClassImp(AliPMDv1)
66
67 //_____________________________________________________________________________
68 AliPMDv1::AliPMDv1()
69{
70 //
71 // Default constructor
72 //
73 fMedSens=0;
74}
75
76//_____________________________________________________________________________
77AliPMDv1::AliPMDv1(const char *name, const char *title)
78 : AliPMD(name,title)
79{
80 //
81 // Standard constructor
82 //
83 fMedSens=0;
84}
85
86//_____________________________________________________________________________
87void AliPMDv1::CreateGeometry()
88{
b1952773 89 // Create geometry for Photon Multiplicity Detector
90
c4561145 91 GetParameters();
92 CreateSupermodule();
93 CreatePMD();
94}
95
96//_____________________________________________________________________________
97void AliPMDv1::CreateSupermodule()
98{
b1952773 99 //
100 // Creates the geometry of the cells of PMD, places them in supermodule
101 // which is a rectangular object.
102 // Basic unit is ECAR, a hexagonal cell made of Ar+CO2, which is
103 // placed inside another hexagonal cell made of Cu (ECCU) with larger
104 // radius, compared to ECAR. The difference in radius gives the dimension
105 // of half width of each cell wall.
106 // These cells are placed in a rectangular strip which are of 2 types
107 // EST1 and EST2
108 // 2 types of unit modules are made EUM1 and EUM2 which contains these strips
109 // placed repeatedly
110 // Each supermodule (ESMA, ESMB), made of G10 is filled with following
111 //components. They have 9 unit moudles inside them
112 // ESMA, ESMB are placed in EPMD along with EMPB (Pb converter)
c4561145 113 // and EMFE (iron support)
114
c4561145 115
b1952773 116 Int_t i,j;
c4561145 117 Float_t xb, yb, zb;
118 Int_t number;
119 Int_t ihrotm,irotdm;
120 const Float_t root3_2 = TMath::Sqrt(3.) /2.;
b1952773 121 const Float_t root3 = TMath::Sqrt(3.);
c4561145 122 Int_t *idtmed = fIdtmed->GetArray()-599;
123
124 AliMatrix(ihrotm, 90., 30., 90., 120., 0., 0.);
125 AliMatrix(irotdm, 90., 180., 90., 270., 180., 0.);
126
127 zdist = TMath::Abs(zdist1);
128
b1952773 129 // First create the sensitive medium of a hexagon cell (ECAR)
c4561145 130 // Inner hexagon filled with gas (Ar+CO2)
b1952773 131
c4561145 132 Float_t hexd2[10] = {0.,360.,6,2,-0.25,0.,0.23,0.25,0.,0.23};
b1952773 133 hexd2[4] = -cell_depth/2.;
134 hexd2[7] = cell_depth/2.;
135 hexd2[6] = cell_radius - cell_wall;
136 hexd2[9] = cell_radius - cell_wall;
c4561145 137
138 gMC->Gsvolu("ECAR", "PGON", idtmed[604], hexd2,10);
139 gMC->Gsatt("ECAR", "SEEN", 0);
b1952773 140
141 // Place the sensitive medium inside a hexagon copper cell (ECCU)
c4561145 142 // Outer hexagon made of Copper
b1952773 143
c4561145 144 Float_t hexd1[10] = {0.,360.,6,2,-0.25,0.,0.25,0.25,0.,0.25};
b1952773 145 hexd1[4] = -cell_depth/2.;
146 hexd1[7] = cell_depth/2.;
147 hexd1[6] = cell_radius;
148 hexd1[9] = cell_radius;
c4561145 149
150 gMC->Gsvolu("ECCU", "PGON", idtmed[614], hexd1,10);
b1952773 151 gMC->Gsatt("ECCU", "SEEN", 0);
c4561145 152
b1952773 153 // Place inner hex (sensitive volume) inside outer hex (copper)
154
155 gMC->Gsposp("ECAR", 1, "ECCU", 0., 0., 0., 0, "ONLY", hexd2, 10);
156
157 // Now create Rectangular TWO strips (EST1, EST2)
158 // of 1 column and 48 or 96 cells length
c4561145 159
b1952773 160 // volume for first strip EST1 made of AIR
c4561145 161
b1952773 162 Float_t dbox1[3];
163 dbox1[0] = ncol_um1*cell_radius;
164 dbox1[1] = cell_radius/root3_2;
165 dbox1[2] = cell_depth/2.;
166
167 gMC->Gsvolu("EST1","BOX", idtmed[698], dbox1, 3);
168 gMC->Gsatt("EST1", "SEEN", 0);
c4561145 169
b1952773 170 // volume for second strip EST2
c4561145 171
b1952773 172 Float_t dbox2[3];
173 dbox2[0] = ncol_um2*cell_radius;
174 dbox2[1] = dbox1[1];
175 dbox2[2] = dbox1[2];
c4561145 176
b1952773 177 gMC->Gsvolu("EST2","BOX", idtmed[698], dbox2, 3);
178 gMC->Gsatt("EST2", "SEEN", 0);
c4561145 179
b1952773 180 // Place hexagonal cells ECCU placed inside EST1
181 yb = 0.;
182 zb = 0.;
183 xb = -(dbox1[0]) + cell_radius;
184 for (i = 1; i <= ncol_um1; ++i)
185 {
186 number = i;
187 gMC->Gsposp("ECCU", number, "EST1", xb,yb,zb, ihrotm, "ONLY", hexd1,10);
188 xb += (cell_radius*2.);
189 }
190 // Place hexagonal cells ECCU placed inside EST2
191 yb = 0.;
192 zb = 0.;
193 xb = -(dbox2[0]) + cell_radius;
194 for (i = 1; i <= ncol_um2; ++i)
195 {
196 number = i;
197 gMC->Gsposp("ECCU", number, "EST2", xb,yb,zb, ihrotm, "ONLY", hexd1,10);
198 xb += (cell_radius*2.);
199 }
c4561145 200
c4561145 201
202
b1952773 203 // 2 types of rectangular shaped unit modules EUM1 and EUM2 (defined by BOX)
c4561145 204
b1952773 205 // Create EUM1
c4561145 206
b1952773 207 Float_t dbox3[3];
208 dbox3[0] = dbox1[0]+cell_radius/2.;
209 dbox3[1] = (dbox1[1]*nrow_um1)-(cell_radius*root3*(nrow_um1-1)/6.);
210 dbox3[2] = cell_depth/2.;
211
212 gMC->Gsvolu("EUM1","BOX", idtmed[698], dbox3, 3);
213 gMC->Gsatt("EUM1", "SEEN", 1);
214
215 // Place rectangular strips EST1 inside EUM1 unit module
c4561145 216
b1952773 217 yb = -dbox3[1]+dbox1[1];
218 for (j = 1; j <= nrow_um1; ++j)
219 {
220 if(j%2 == 0)
221 {
222 xb =cell_radius/2.0;
223 }
224 else
225 {
226 xb = -cell_radius/2.0;
227 }
228 number = j;
229 gMC->Gsposp("EST1",number, "EUM1", xb, yb , 0. , 0, "MANY",dbox1,3);
230 yb = (-dbox3[1]+dbox1[1])+j*1.0*cell_radius*root3;
c4561145 231 }
c4561145 232
b1952773 233 // Create EUM2
c4561145 234
b1952773 235 Float_t dbox4[3];
236 dbox4[0] = dbox2[0]+cell_radius/2.;
237 dbox4[1] =(dbox2[1]*nrow_um2)-(cell_radius*root3*(nrow_um2-1)/6.);
238 dbox4[2] = dbox3[2];
c4561145 239
b1952773 240 gMC->Gsvolu("EUM2","BOX", idtmed[698], dbox4, 3);
241 gMC->Gsatt("EUM2", "SEEN", 1);
c4561145 242
b1952773 243 // Place rectangular strips EST2 inside EUM2 unit module
c4561145 244
b1952773 245 yb = -dbox4[1]+dbox2[1];
246 for (j = 1; j <= nrow_um2; ++j)
247 {
248 if(j%2 == 0)
249 {
250 xb =cell_radius/2.0;
251 }
252 else
253 {
254 xb = -cell_radius/2.0;
255 }
256 number = j;
257 gMC->Gsposp("EST2",number, "EUM2", xb, yb , 0. , 0, "MANY",dbox2,3);
258 yb = (-dbox4[1]+dbox2[1])+j*1.0*cell_radius*root3;
259 }
c4561145 260
b1952773 261 // 2 types of Rectangular shaped supermodules (BOX)
262 //each with 6 unit modules
263
264 // volume for SUPERMODULE ESMA
265 //Space added to provide a gapping for HV between UM's
266
267 Float_t dbox_sm1[3];
268 dbox_sm1[0] = 3.0*dbox3[0]+(2.0*0.025);
269 dbox_sm1[1] = 2.0*dbox3[1]+0.025;
270 dbox_sm1[2] = cell_depth/2.;
271
272 gMC->Gsvolu("ESMA","BOX", idtmed[698], dbox_sm1, 3);
273 gMC->Gsatt("ESMA", "SEEN", 1);
274
275 //Position the 6 unit modules in EMSA
276 Float_t x_a1,x_a2,x_a3,y_a1,y_a2;
277 x_a1 = -dbox_sm1[0] + dbox3[0];
278 x_a2 = 0.;
279 x_a3 = dbox_sm1[0] - dbox3[0];
280 y_a1 = dbox_sm1[1] - dbox3[1];
281 y_a2 = -dbox_sm1[1] + dbox3[1];
282
283 gMC->Gsposp("EUM1", 1, "ESMA", x_a1, y_a1, 0., 0, "ONLY",dbox3,3);
284 gMC->Gsposp("EUM1", 2, "ESMA", x_a2, y_a1, 0., 0, "ONLY",dbox3,3);
285 gMC->Gsposp("EUM1", 3, "ESMA", x_a3, y_a1, 0., 0, "ONLY",dbox3,3);
286 gMC->Gsposp("EUM1", 4, "ESMA", x_a1, y_a2, 0., 0, "ONLY",dbox3,3);
287 gMC->Gsposp("EUM1", 5, "ESMA", x_a2, y_a2, 0., 0, "ONLY",dbox3,3);
288 gMC->Gsposp("EUM1", 6, "ESMA", x_a3, y_a2, 0., 0, "ONLY",dbox3,3);
289
290
291 // volume for SUPERMODULE ESMB
292 //Space is added to provide a gapping for HV between UM's
293 Float_t dbox_sm2[3];
294 dbox_sm2[0] = 2.0*dbox4[0]+0.025;
295 dbox_sm2[1] = 3.0*dbox4[1]+(2.0*0.025);
296 dbox_sm2[2] = cell_depth/2.;
297
298 gMC->Gsvolu("ESMB","BOX", idtmed[698], dbox_sm2, 3);
299 gMC->Gsatt("ESMB", "SEEN", 1);
300
301 //Position the 6 unit modules in EMSB
302 Float_t x_b1,x_b2,y_b1,y_b2,y_b3;
303 x_b1 = -dbox_sm2[0] +dbox4[0];
304 x_b2 = dbox_sm2[0]-dbox4[0];
305 y_b1 =dbox_sm2[1]-dbox4[1];
306 y_b2 = 0.;
307 y_b3 = -dbox_sm2[1]+dbox4[1];
308
309 gMC->Gsposp("EUM2", 1, "ESMB", x_b1, y_b1, 0., 0, "ONLY",dbox4,3);
310 gMC->Gsposp("EUM2", 2, "ESMB", x_b2, y_b1, 0., 0, "ONLY",dbox4,3);
311 gMC->Gsposp("EUM2", 3, "ESMB", x_b1, y_b2, 0., 0, "ONLY",dbox4,3);
312 gMC->Gsposp("EUM2", 4, "ESMB", x_b2, y_b2, 0., 0, "ONLY",dbox4,3);
313 gMC->Gsposp("EUM2", 5, "ESMB", x_b1, y_b3, 0., 0, "ONLY",dbox4,3);
314 gMC->Gsposp("EUM2", 6, "ESMB", x_b2, y_b3, 0., 0, "ONLY",dbox4,3);
315
316
317 // Make a 3mm thick G10 Base plate for ESMA
318 Float_t dbox_g1a[3];
319 dbox_g1a[0] = dbox_sm1[0];
320 dbox_g1a[1] = dbox_sm1[1];
321 dbox_g1a[2] = th_base/2.;
322
323 gMC->Gsvolu("EBPA","BOX", idtmed[607], dbox_g1a, 3);
324 gMC->Gsatt("EBPA", "SEEN", 1);
325
326 // Make a 1.6mm thick G10 PCB for ESMA
327 Float_t dbox_g2a[3];
328 dbox_g2a[0] = dbox_sm1[0];
329 dbox_g2a[1] = dbox_sm1[1];
330 dbox_g2a[2] = th_pcb/2.;
331
332 gMC->Gsvolu("EPCA","BOX", idtmed[607], dbox_g2a, 3);
333 gMC->Gsatt("EPCA", "SEEN", 1);
334
335
336 // Make a Full module EFPA of AIR to place EBPA,
337 // 1mm AIR, EPCA, ESMA,EPCA for PMD
338
339 Float_t dbox_alla[3];
340 dbox_alla[0] = dbox_sm1[0];
341 dbox_alla[1] = dbox_sm1[1];
342 dbox_alla[2] = (th_base+0.1+th_pcb+dbox_sm1[2]+th_pcb)/2.;
343
344 gMC->Gsvolu("EFPA","BOX", idtmed[698], dbox_alla, 3);
345 gMC->Gsatt("EFPA", "SEEN", 1);
346
347
348 // Make a Full module EFCA of AIR to place EBPA,
349 // 1mm AIR, EPCA, ESMA,EPC for CPV
350 Float_t dbox_alla2[3];
351 dbox_alla2[0] = dbox_sm1[0];
352 dbox_alla2[1] = dbox_sm1[1];
353 dbox_alla2[2] = (th_base+0.1+th_pcb+dbox_sm1[2]+th_pcb)/2.;
354
355 gMC->Gsvolu("EFCA","BOX", idtmed[698], dbox_alla2, 3);
356 gMC->Gsatt("EFCA", "SEEN", 1);
357
358 // Now place everything in EFPA for PMD
359
360 Float_t z_bpa,z_pcba1,z_pcba2,z_sma;
361 z_pcba1 = - dbox_alla[2]+th_pcb/2.0;
362 gMC->Gsposp("EPCA", 1, "EFPA", 0., 0., z_pcba1, 0, "ONLY",dbox_g2a,3);
363 z_sma = z_pcba1+dbox_sm1[2];
364 gMC->Gsposp("ESMA", 1, "EFPA", 0., 0., z_sma, 0, "ONLY",dbox_sm1,3);
365 z_pcba2 = z_sma+th_pcb/2.0;
366 gMC->Gsposp("EPCA", 2, "EFPA", 0., 0., z_pcba2, 0, "ONLY",dbox_g2a,3);
367 z_bpa = z_pcba2+0.1+th_base/2.0; // 0.1 for 0.1 mm Air gap
368 gMC->Gsposp("EBPA", 1, "EFPA", 0., 0., z_bpa, 0, "ONLY",dbox_g1a,3);
369
370 // Now place everything in EFCA for CPV
371
372 Float_t z_bpa2,z_pcba12,z_pcba22,z_sma2;
373 z_bpa2 = - dbox_alla2[2]+th_base/2.0;
374 gMC->Gsposp("EBPA", 1, "EFCA", 0., 0., z_bpa2, 0, "ONLY",dbox_g1a,3);
375 z_pcba12 = z_bpa2+0.1+th_pcb/2.0;
376 gMC->Gsposp("EPCA", 1, "EFCA", 0., 0., z_pcba12, 0, "ONLY",dbox_g2a,3);
377 z_sma2 = z_pcba12+dbox_sm1[2];
378 gMC->Gsposp("ESMA", 1, "EFCA", 0., 0., z_sma2, 0, "ONLY",dbox_sm1,3);
379 z_pcba22 = z_sma2+th_pcb/2.0;
380 gMC->Gsposp("EPCA", 2, "EFCA", 0., 0., z_pcba22, 0, "ONLY",dbox_g2a,3);
c4561145 381
382
c4561145 383
b1952773 384 // Make a 3mm thick G10 Base plate for ESMB
385 Float_t dbox_g1b[3];
386 dbox_g1b[0] = dbox_sm2[0];
387 dbox_g1b[1] = dbox_sm2[1];
388 dbox_g1b[2] = th_base/2.;
389
390 gMC->Gsvolu("EBPB","BOX", idtmed[607], dbox_g1b, 3);
391 gMC->Gsatt("EBPB", "SEEN", 1);
392
393 // Make a 1.6mm thick G10 PCB for ESMB
394 Float_t dbox_g2b[3];
395 dbox_g2b[0] = dbox_sm2[0];
396 dbox_g2b[1] = dbox_sm2[1];
397 dbox_g2b[2] = th_pcb/2.;
c4561145 398
b1952773 399 gMC->Gsvolu("EPCB","BOX", idtmed[607], dbox_g2b, 3);
400 gMC->Gsatt("EPCB", "SEEN", 1);
c4561145 401
c4561145 402
b1952773 403 // Make a Full module EFPB of AIR to place EBPB,
404 //1mm AIR, EPCB, ESMB,EPCB for PMD
405 Float_t dbox_allb[3];
406 dbox_allb[0] = dbox_sm2[0];
407 dbox_allb[1] = dbox_sm2[1];
408 dbox_allb[2] = (th_base+0.1+th_pcb+dbox_sm2[2]+th_pcb)/2.;
c4561145 409
b1952773 410 gMC->Gsvolu("EFPB","BOX", idtmed[698], dbox_allb, 3);
411 gMC->Gsatt("EFPB", "SEEN", 1);
c4561145 412
b1952773 413 // Make a Full module EFCB of AIR to place EBPB,
414 //1mm AIR, EPCB, ESMB,EPCB for CPV
415 Float_t dbox_allb2[3];
416 dbox_allb2[0] = dbox_sm2[0];
417 dbox_allb2[1] = dbox_sm2[1];
418 dbox_allb2[2] = (th_base+0.1+th_pcb+dbox_sm2[2]+th_pcb)/2.;
c4561145 419
b1952773 420 gMC->Gsvolu("EFCB","BOX", idtmed[698], dbox_allb2, 3);
421 gMC->Gsatt("EFCB", "SEEN", 1);
c4561145 422
c4561145 423
b1952773 424 // Now place everything in EFPB for PMD
c4561145 425
b1952773 426 Float_t z_bpb,z_pcbb1,z_pcbb2,z_smb;
427 z_pcbb1 = - dbox_allb[2]+th_pcb/2.0;
428 gMC->Gsposp("EPCB", 1, "EFPB", 0., 0., z_pcbb1, 0, "ONLY",dbox_g2b,3);
429 z_smb = z_pcbb1+dbox_sm2[2];
430 gMC->Gsposp("ESMB", 1, "EFPB", 0., 0., z_smb, 0, "ONLY",dbox_sm2,3);
431 z_pcbb2 = z_smb+th_pcb/2.0;
432 gMC->Gsposp("EPCB", 2, "EFPB", 0., 0., z_pcbb2, 0, "ONLY",dbox_g2b,3);
433 z_bpb = z_pcbb2+0.1+th_base/2.0; // 0.1 for 0.1 mm Air gap
434 gMC->Gsposp("EBPB", 1, "EFPB", 0., 0., z_bpb, 0, "ONLY",dbox_g1b,3);
c4561145 435
c4561145 436
b1952773 437 // Now place everything in EFCB for CPV
438
439 Float_t z_bpb2,z_pcbb12,z_pcbb22,z_smb2;
440 z_bpb2 = - dbox_allb2[2]+th_base/2.0;
441 gMC->Gsposp("EBPB", 1, "EFCB", 0., 0., z_bpb2, 0, "ONLY",dbox_g1b,3);
442 z_pcbb12 = z_bpb2+0.1+th_pcb/2.0;
443 gMC->Gsposp("EPCB", 1, "EFCB", 0., 0., z_pcbb12, 0, "ONLY",dbox_g2b,3);
444 z_smb2 = z_pcbb12+dbox_sm2[2];
445 gMC->Gsposp("ESMB", 1, "EFCB", 0., 0., z_smb2, 0, "ONLY",dbox_sm2,3);
446 z_pcbb22 = z_smb2+th_pcb/2.0;
447 gMC->Gsposp("EPCB", 2, "EFCB", 0., 0., z_pcbb22, 0, "ONLY",dbox_g2b,3);
c4561145 448
c4561145 449
b1952773 450 // Master MODULE EMPA of aluminum for PMD
451 //Float_t dbox_mm1[3];
452 dbox_mm1[0] = dbox_sm1[0]+boundary;
453 dbox_mm1[1] = dbox_sm1[1]+boundary;
454 dbox_mm1[2] = dbox_alla[2];
c4561145 455
b1952773 456 gMC->Gsvolu("EMPA","BOX", idtmed[603], dbox_mm1, 3);
457 gMC->Gsatt("EMPA", "SEEN", 1);
c4561145 458
b1952773 459 // Master MODULE EMCA of aluminum for CPV
460 //Float_t dbox_mm12[3];
461 dbox_mm12[0] = dbox_sm1[0]+boundary;
462 dbox_mm12[1] = dbox_sm1[1]+boundary;
463 dbox_mm12[2] = dbox_alla[2];
c4561145 464
b1952773 465 gMC->Gsvolu("EMCA","BOX", idtmed[603], dbox_mm12, 3);
466 gMC->Gsatt("EMCA", "SEEN", 1);
c4561145 467
468
b1952773 469 //Position EFMA inside EMMA for PMD and CPV
470 gMC->Gsposp("EFPA", 1, "EMPA", 0., 0., 0., 0, "ONLY",dbox_alla,3);
471 gMC->Gsposp("EFCA", 1, "EMCA", 0., 0., 0., 0, "ONLY",dbox_alla2,3);
c4561145 472
c4561145 473
b1952773 474 // Master MODULE EMPB of aluminum for PMD
475 //Float_t dbox_mm2[3];
476 dbox_mm2[0] = dbox_sm2[0]+boundary;
477 dbox_mm2[1] = dbox_sm2[1]+boundary;
478 dbox_mm2[2] = dbox_allb[2];
c4561145 479
b1952773 480 gMC->Gsvolu("EMPB","BOX", idtmed[603], dbox_mm2, 3);
481 gMC->Gsatt("EMPB", "SEEN", 1);
c4561145 482
b1952773 483 // Master MODULE EMCB of aluminum for CPV
484 //Float_t dbox_mm22[3];
485 dbox_mm22[0] = dbox_sm2[0]+boundary;
486 dbox_mm22[1] = dbox_sm2[1]+boundary;
487 dbox_mm22[2] = dbox_allb[2];
c4561145 488
b1952773 489 gMC->Gsvolu("EMCB","BOX", idtmed[603], dbox_mm22, 3);
490 gMC->Gsatt("EMCB", "SEEN", 1);
c4561145 491
b1952773 492
493 //Position EFMB inside EMMB
494 gMC->Gsposp("EFPB", 1, "EMPB", 0., 0., 0., 0, "ONLY",dbox_allb,3);
495 gMC->Gsposp("EFCB", 1, "EMCB", 0., 0., 0., 0, "ONLY",dbox_allb2,3);
c4561145 496
497}
498
499//_____________________________________________________________________________
500
501void AliPMDv1::CreatePMD()
502{
b1952773 503
c4561145 504 //
505 // Create final detector from supermodules
b1952773 506 // -- Author : Bedanga and Viyogi June 2003
c4561145 507
508 Float_t xp, yp, zp;
c4561145 509 Int_t jhrot12,jhrot13, irotdm;
c4561145 510 Int_t *idtmed = fIdtmed->GetArray()-599;
511
b1952773 512 //VOLUMES Names : begining with "E" for all PMD volumes,
513
514 // --- DEFINE Iron, and lead volumes for SM A
515
516 Float_t dbox_pba[3];
517 dbox_pba[0] = sm_length_ax;
518 dbox_pba[1] = sm_length_ay;
519 dbox_pba[2] = th_lead/2.;
c4561145 520
b1952773 521 gMC->Gsvolu("EPBA","BOX", idtmed[600], dbox_pba, 3);
522 gMC->Gsatt ("EPBA", "SEEN", 0);
c4561145 523
b1952773 524 // Fe Support
525 Float_t dbox_fea[3];
526 dbox_fea[0] = sm_length_ax;
527 dbox_fea[1] = sm_length_ay;
528 dbox_fea[2] = th_steel/2.;
c4561145 529
b1952773 530 gMC->Gsvolu("EFEA","BOX", idtmed[618], dbox_fea, 3);
531 gMC->Gsatt ("EFEA", "SEEN", 0);
c4561145 532
b1952773 533 // --- DEFINE Iron, and lead volumes for SM B
534
535 Float_t dbox_pbb[3];
536 dbox_pbb[0] = sm_length_bx;
537 dbox_pbb[1] = sm_length_by;
538 dbox_pbb[2] = th_lead/2.;
539
540 gMC->Gsvolu("EPBB","BOX", idtmed[600], dbox_pbb, 3);
541 gMC->Gsatt ("EPBB", "SEEN", 0);
542
543 // Fe Support
544 Float_t dbox_feb[3];
545 dbox_feb[0] = sm_length_bx;
546 dbox_feb[1] = sm_length_by;
547 dbox_feb[2] = th_steel/2.;
548
549 gMC->Gsvolu("EFEB","BOX", idtmed[618], dbox_feb, 3);
550 gMC->Gsatt ("EFEB", "SEEN", 0);
c4561145 551
c4561145 552
b1952773 553 // Gaspmd, the dimension of RECTANGULAR mother volume of PMD,
c4561145 554
fbd5cd1d 555 // Float_t gaspmd[3] = {81.5,94.5,7.};
556 Float_t gaspmd[3] = {81.5,94.5,0.25};
b1952773 557 gaspmd[0] = sm_length_ax+sm_length_bx;
558 gaspmd[1] = sm_length_ay+sm_length_by;
c4561145 559
c4561145 560
b1952773 561 gMC->Gsvolu("EPMD", "BOX", idtmed[698], gaspmd, 3);
562 gMC->Gsatt("EPMD", "SEEN", 1);
c4561145 563
564 AliMatrix(irotdm, 90., 0., 90., 90., 180., 0.);
565
b1952773 566 AliMatrix(jhrot12, 90., 180., 90., 270., 0., 0.);
c4561145 567 AliMatrix(jhrot13, 90., 240., 90., 330., 0., 0.);
568
b1952773 569 Float_t x_sma,y_sma;
570 Float_t x_smb,y_smb;
571 x_sma = -(sm_length_bx)/1.0;
572 y_sma = sm_length_by;
573 x_smb = -sm_length_ax;
574 y_smb = -sm_length_ay;
575
576 //Complete detector for Type A
577 //Position Super modules type A for both CPV and PMD in EPMD
578 Float_t z_psa,z_pba,z_fea,z_cva;
96c4b1d1 579
580 z_psa = - gaspmd[2] + sm_thick/2.;
b1952773 581
582 gMC->Gsposp("EMPA", 1, "EPMD", x_sma, y_sma, z_psa, 0, "ONLY",dbox_mm1,3);
583 gMC->Gsposp("EMPA", 2, "EPMD", -x_sma, -y_sma, z_psa, jhrot12, "ONLY",dbox_mm1,3);
584 z_pba=z_psa+sm_thick/2.+dbox_pba[2];
585 gMC->Gsposp("EPBA", 1, "EPMD", x_sma, y_sma, z_pba, 0, "ONLY",dbox_pba,3);
586 gMC->Gsposp("EPBA", 2, "EPMD", -x_sma, -y_sma, z_pba, 0, "ONLY",dbox_pba,3);
587 z_fea=z_pba+dbox_pba[2]+dbox_fea[2];
588 gMC->Gsposp("EFEA", 1, "EPMD", x_sma, y_sma, z_fea, 0, "ONLY",dbox_fea,3);
589 gMC->Gsposp("EFEA", 2, "EPMD", -x_sma, -y_sma, z_fea, 0, "ONLY",dbox_fea,3);
590 z_cva=z_fea+dbox_fea[2]+sm_thick/2.;
591 gMC->Gsposp("EMCA", 1, "EPMD", x_sma, y_sma, z_cva, 0, "ONLY",dbox_mm12,3);
592 gMC->Gsposp("EMCA", 2, "EPMD", -x_sma,-y_sma, z_cva, jhrot12, "ONLY",dbox_mm12,3);
593
594 //Complete detector for Type B
595 //Position Super modules type B for both CPV and PMD in EPMD
596 Float_t z_psb,z_pbb,z_feb,z_cvb;
96c4b1d1 597 z_psb = - gaspmd[2] + sm_thick/2.;
b1952773 598
599 gMC->Gsposp("EMPB", 3, "EPMD", x_smb, y_smb, z_psb, 0, "ONLY",dbox_mm2,3);
600 gMC->Gsposp("EMPB", 4, "EPMD", -x_smb, -y_smb, z_psb, jhrot12, "ONLY",dbox_mm2,3);
601 z_pbb=z_psb+sm_thick/2.+dbox_pbb[2];
602 gMC->Gsposp("EPBB", 3, "EPMD", x_smb, y_smb, z_pbb, 0, "ONLY",dbox_pbb,3);
603 gMC->Gsposp("EPBB", 4, "EPMD", -x_smb, -y_smb, z_pbb, 0, "ONLY",dbox_pbb,3);
604 z_feb=z_pbb+dbox_pbb[2]+dbox_feb[2];
605 gMC->Gsposp("EFEB", 3, "EPMD", x_smb, y_smb, z_feb, 0, "ONLY",dbox_feb,3);
606 gMC->Gsposp("EFEB", 4, "EPMD", -x_smb, -y_smb, z_feb, 0, "ONLY",dbox_feb,3);
607 z_cvb=z_feb+dbox_feb[2]+sm_thick/2.;
608 gMC->Gsposp("EMCB", 3, "EPMD", x_smb, y_smb, z_cvb, 0, "ONLY",dbox_mm22,3);
609 gMC->Gsposp("EMCB", 4, "EPMD", -x_smb,-y_smb, z_cvb, jhrot12, "ONLY",dbox_mm22,3);
c4561145 610
c4561145 611 // --- Place the EPMD in ALICE
612 xp = 0.;
613 yp = 0.;
614 zp = zdist1;
b1952773 615
616 //Position Full PMD in ALICE
617 gMC->Gsposp("EPMD", 1, "ALIC", xp,yp,zp, 0, "ONLY",gaspmd,3);
618
c4561145 619}
620
621
622//_____________________________________________________________________________
623void AliPMDv1::DrawModule()
624{
b1952773 625 cout << " Inside Draw Modules " << endl;
c4561145 626 //
627 // Draw a shaded view of the Photon Multiplicity Detector
628 //
629
630 gMC->Gsatt("*", "seen", -1);
631 gMC->Gsatt("alic", "seen", 0);
632 //
633 // Set the visibility of the components
634 //
635 gMC->Gsatt("ECAR","seen",0);
636 gMC->Gsatt("ECCU","seen",1);
b1952773 637 gMC->Gsatt("EST1","seen",1);
638 gMC->Gsatt("EST2","seen",1);
639 gMC->Gsatt("EUM1","seen",1);
640 gMC->Gsatt("EUM2","seen",1);
641 gMC->Gsatt("ESMA","seen",1);
642 gMC->Gsatt("EPMD","seen",1);
c4561145 643 //
644 gMC->Gdopt("hide", "on");
645 gMC->Gdopt("shad", "on");
646 gMC->Gsatt("*", "fill", 7);
647 gMC->SetClipBox(".");
648 gMC->SetClipBox("*", 0, 3000, -3000, 3000, -6000, 6000);
649 gMC->DefaultRange();
650 gMC->Gdraw("alic", 40, 30, 0, 22, 20.5, .02, .02);
651 gMC->Gdhead(1111, "Photon Multiplicity Detector Version 1");
652
653 //gMC->Gdman(17, 5, "MAN");
654 gMC->Gdopt("hide", "off");
b1952773 655
656 cout << " Outside Draw Modules " << endl;
c4561145 657}
658
659//_____________________________________________________________________________
660void AliPMDv1::CreateMaterials()
661{
b1952773 662 cout << " Inside create materials " << endl;
c4561145 663 //
664 // Create materials for the PMD
665 //
666 // ORIGIN : Y. P. VIYOGI
667 //
668
669 // --- The Argon- CO2 mixture ---
670 Float_t ag[2] = { 39.95 };
671 Float_t zg[2] = { 18. };
b1952773 672 Float_t wg[2] = { .7,.3 };
c4561145 673 Float_t dar = .001782; // --- Ar density in g/cm3 ---
674 // --- CO2 ---
675 Float_t ac[2] = { 12.,16. };
676 Float_t zc[2] = { 6.,8. };
677 Float_t wc[2] = { 1.,2. };
678 Float_t dc = .001977;
679 Float_t dco = .002; // --- CO2 density in g/cm3 ---
680
681 Float_t absl, radl, a, d, z;
682 Float_t dg;
683 Float_t x0ar;
c4561145 684 Float_t buf[1];
685 Int_t nbuf;
686 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
687 Float_t zsteel[4] = { 26.,24.,28.,14. };
688 Float_t wsteel[4] = { .715,.18,.1,.005 };
689
690 Int_t *idtmed = fIdtmed->GetArray()-599;
691 Int_t isxfld = gAlice->Field()->Integ();
692 Float_t sxmgmx = gAlice->Field()->Max();
693
694 // --- Define the various materials for GEANT ---
695 AliMaterial(1, "Pb $", 207.19, 82., 11.35, .56, 18.5);
696 x0ar = 19.55 / dar;
697 AliMaterial(2, "Argon$", 39.95, 18., dar, x0ar, 6.5e4);
698 AliMixture(3, "CO2 $", ac, zc, dc, -2, wc);
699 AliMaterial(4, "Al $", 26.98, 13., 2.7, 8.9, 18.5);
700 AliMaterial(6, "Fe $", 55.85, 26., 7.87, 1.76, 18.5);
701 AliMaterial(7, "W $", 183.85, 74., 19.3, .35, 10.3);
702 AliMaterial(8, "G10 $", 20., 10., 1.7, 19.4, 999.);
703 AliMaterial(9, "SILIC$", 28.09, 14., 2.33, 9.36, 45.);
704 AliMaterial(10, "Be $", 9.01, 4., 1.848, 35.3, 36.7);
705 AliMaterial(15, "Cu $", 63.54, 29., 8.96, 1.43, 15.);
706 AliMaterial(16, "C $", 12.01, 6., 2.265, 18.8, 49.9);
707 AliMaterial(17, "POLYCARBONATE $", 20., 10., 1.2, 34.6, 999.);
708 AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
709 // AliMaterial(31, "Xenon$", 131.3, 54., dxe, x0xe, 6.5e4);
710
711 AliMaterial(96, "MYLAR$", 8.73, 4.55, 1.39, 28.7, 62.);
712 AliMaterial(97, "CONCR$", 20., 10., 2.5, 10.7, 40.);
713 AliMaterial(98, "Vacum$", 1e-9, 1e-9, 1e-9, 1e16, 1e16);
714 AliMaterial(99, "Air $", 14.61, 7.3, .0012, 30420., 67500.);
715
716 // define gas-mixtures
717
b1952773 718 char namate[21];
c4561145 719 gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf);
720 ag[1] = a;
721 zg[1] = z;
722 dg = (dar * 4 + dco) / 5;
723 AliMixture(5, "ArCO2$", ag, zg, dg, 2, wg);
724
725 // Define tracking media
726 AliMedium(1, "Pb conv.$", 1, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
727 AliMedium(7, "W conv.$", 7, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
728 AliMedium(8, "G10plate$", 8, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
729 AliMedium(4, "Al $", 4, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
730 AliMedium(6, "Fe $", 6, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
731 AliMedium(5, "ArCO2 $", 5, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1);
732 AliMedium(9, "SILICON $", 9, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1);
733 AliMedium(10, "Be $", 10, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
734 AliMedium(98, "Vacuum $", 98, 0, 0, isxfld, sxmgmx, 1., .1, .1, 10);
735 AliMedium(99, "Air gaps$", 99, 0, 0, isxfld, sxmgmx, 1., .1, .1, .1);
736 AliMedium(15, "Cu $", 15, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
737 AliMedium(16, "C $", 16, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
738 AliMedium(17, "PLOYCARB$", 17, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
739 AliMedium(19, " S steel$", 19, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
740 // AliMedium(31, "Xenon $", 31, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1);
741
742 // --- Generate explicitly delta rays in the iron, aluminium and lead ---
743 gMC->Gstpar(idtmed[600], "LOSS", 3.);
744 gMC->Gstpar(idtmed[600], "DRAY", 1.);
745
746 gMC->Gstpar(idtmed[603], "LOSS", 3.);
747 gMC->Gstpar(idtmed[603], "DRAY", 1.);
748
749 gMC->Gstpar(idtmed[604], "LOSS", 3.);
750 gMC->Gstpar(idtmed[604], "DRAY", 1.);
751
752 gMC->Gstpar(idtmed[605], "LOSS", 3.);
753 gMC->Gstpar(idtmed[605], "DRAY", 1.);
754
755 gMC->Gstpar(idtmed[606], "LOSS", 3.);
756 gMC->Gstpar(idtmed[606], "DRAY", 1.);
757
758 gMC->Gstpar(idtmed[607], "LOSS", 3.);
759 gMC->Gstpar(idtmed[607], "DRAY", 1.);
760
761 // --- Energy cut-offs in the Pb and Al to gain time in tracking ---
762 // --- without affecting the hit patterns ---
763 gMC->Gstpar(idtmed[600], "CUTGAM", 1e-4);
764 gMC->Gstpar(idtmed[600], "CUTELE", 1e-4);
765 gMC->Gstpar(idtmed[600], "CUTNEU", 1e-4);
766 gMC->Gstpar(idtmed[600], "CUTHAD", 1e-4);
767 gMC->Gstpar(idtmed[605], "CUTGAM", 1e-4);
768 gMC->Gstpar(idtmed[605], "CUTELE", 1e-4);
769 gMC->Gstpar(idtmed[605], "CUTNEU", 1e-4);
770 gMC->Gstpar(idtmed[605], "CUTHAD", 1e-4);
771 gMC->Gstpar(idtmed[606], "CUTGAM", 1e-4);
772 gMC->Gstpar(idtmed[606], "CUTELE", 1e-4);
773 gMC->Gstpar(idtmed[606], "CUTNEU", 1e-4);
774 gMC->Gstpar(idtmed[606], "CUTHAD", 1e-4);
775 gMC->Gstpar(idtmed[603], "CUTGAM", 1e-4);
776 gMC->Gstpar(idtmed[603], "CUTELE", 1e-4);
777 gMC->Gstpar(idtmed[603], "CUTNEU", 1e-4);
778 gMC->Gstpar(idtmed[603], "CUTHAD", 1e-4);
779 gMC->Gstpar(idtmed[609], "CUTGAM", 1e-4);
780 gMC->Gstpar(idtmed[609], "CUTELE", 1e-4);
781 gMC->Gstpar(idtmed[609], "CUTNEU", 1e-4);
782 gMC->Gstpar(idtmed[609], "CUTHAD", 1e-4);
783
784 // --- Prevent particles stopping in the gas due to energy cut-off ---
785 gMC->Gstpar(idtmed[604], "CUTGAM", 1e-5);
786 gMC->Gstpar(idtmed[604], "CUTELE", 1e-5);
787 gMC->Gstpar(idtmed[604], "CUTNEU", 1e-5);
788 gMC->Gstpar(idtmed[604], "CUTHAD", 1e-5);
789 gMC->Gstpar(idtmed[604], "CUTMUO", 1e-5);
b1952773 790
791 cout << " Outside create materials " << endl;
792
c4561145 793}
794
795//_____________________________________________________________________________
796void AliPMDv1::Init()
797{
798 //
799 // Initialises PMD detector after it has been built
800 //
b1952773 801
c4561145 802 Int_t i;
803 kdet=1;
804 //
b1952773 805 cout << " Inside Init " << endl;
1592ac65 806 if(fDebug) {
807 printf("\n%s: ",ClassName());
808 for(i=0;i<35;i++) printf("*");
809 printf(" PMD_INIT ");
810 for(i=0;i<35;i++) printf("*");
811 printf("\n%s: ",ClassName());
812 printf(" PMD simulation package (v1) initialised\n");
813 printf("%s: parameters of pmd\n",ClassName());
dee197d3 814 printf("%s: %10.2f %10.2f %10.2f \
1592ac65 815 %10.2f\n",ClassName(),cell_radius,cell_wall,cell_depth,zdist1 );
816 printf("%s: ",ClassName());
817 for(i=0;i<80;i++) printf("*");
818 printf("\n");
819 }
c4561145 820
821 Int_t *idtmed = fIdtmed->GetArray()-599;
822 fMedSens=idtmed[605-1];
b1952773 823
c4561145 824}
825
826//_____________________________________________________________________________
827void AliPMDv1::StepManager()
828{
829 //
830 // Called at each step in the PMD
831 //
b1952773 832
c4561145 833 Int_t copy;
834 Float_t hits[4], destep;
835 Float_t center[3] = {0,0,0};
b1952773 836 Int_t vol[8]; //5
837 //const char *namep;
c4561145 838
839 if(gMC->GetMedium() == fMedSens && (destep = gMC->Edep())) {
840
841 gMC->CurrentVolID(copy);
c4561145 842 //namep=gMC->CurrentVolName();
b1952773 843 //printf("Current vol is %s \n",namep);
c4561145 844 vol[0]=copy;
c4561145 845
b1952773 846 gMC->CurrentVolOffID(1,copy);
c4561145 847 //namep=gMC->CurrentVolOffName(1);
848 //printf("Current vol 11 is %s \n",namep);
c4561145 849 vol[1]=copy;
c4561145 850
b1952773 851 gMC->CurrentVolOffID(2,copy);
c4561145 852 //namep=gMC->CurrentVolOffName(2);
853 //printf("Current vol 22 is %s \n",namep);
c4561145 854 vol[2]=copy;
855
856 // if(strncmp(namep,"EHC1",4))vol[2]=1;
857
858 gMC->CurrentVolOffID(3,copy);
c4561145 859 //namep=gMC->CurrentVolOffName(3);
860 //printf("Current vol 33 is %s \n",namep);
c4561145 861 vol[3]=copy;
c4561145 862
b1952773 863 gMC->CurrentVolOffID(4,copy);
c4561145 864 //namep=gMC->CurrentVolOffName(4);
865 //printf("Current vol 44 is %s \n",namep);
c4561145 866 vol[4]=copy;
c4561145 867
b1952773 868 gMC->CurrentVolOffID(5,copy);
869 //namep=gMC->CurrentVolOffName(5);
870 //printf("Current vol 55 is %s \n",namep);
871 vol[5]=copy;
872
873 gMC->CurrentVolOffID(6,copy);
874 //namep=gMC->CurrentVolOffName(6);
875 //printf("Current vol 66 is %s \n",namep);
876 vol[6]=copy;
877
878 gMC->CurrentVolOffID(7,copy);
879 //namep=gMC->CurrentVolOffName(7);
880 //printf("Current vol 77 is %s \n",namep);
881 vol[7]=copy;
882
883
884 //printf("volume number %4d %4d %4d %4d %4d %4d %4d %4d %10.3f \n",vol[0],vol[1],vol[2],vol[3],vol[4],vol[5],vol[6],vol[7],destep*1000000);
885
c4561145 886 gMC->Gdtom(center,hits,1);
887 hits[3] = destep*1e9; //Number in eV
d1f5ecc3 888 AddHit(gAlice->GetCurrentTrackNumber(), vol, hits);
b1952773 889
c4561145 890 }
891}
892
893
894//------------------------------------------------------------------------
895// Get parameters
896
897void AliPMDv1::GetParameters()
898{
b1952773 899 const Float_t root3 = TMath::Sqrt(3.);
900 const Float_t root3_2 = TMath::Sqrt(3.) /2.;
901 //
c4561145 902 cell_radius=0.25;
903 cell_wall=0.02;
904 cell_depth=0.25 * 2.;
905 //
b1952773 906 ncol_um1 = 48;
907 ncol_um2 = 96;
908 nrow_um1 = 96;//each strip has 1 row
909 nrow_um2 = 48;//each strip has 1 row
910 //
911 sm_length_ax = (3.0*(ncol_um1*cell_radius+cell_radius/2.)+(2.0*0.025)) + 0.7;
912 sm_length_bx = 2.0*(ncol_um2*cell_radius+cell_radius/2.)+0.025+0.7;
913
914 sm_length_ay = 2.0*(((cell_radius/root3_2)*nrow_um1)-(cell_radius*root3*(nrow_um1-1)/6.))+0.025+0.7;
915 sm_length_by = 3.0*(((cell_radius/root3_2)*nrow_um2)-(cell_radius*root3*(nrow_um2-1)/6.))+(2.0*0.025)+0.7;
916 //
917 boundary=0.7;
918 //
919 th_base=0.3;
920 th_air=0.1;
921 th_pcb=0.16;
922 //
923 sm_thick = th_base + th_air + th_pcb + cell_depth + th_pcb + th_air + th_pcb;
924 //
925 th_lead=1.5;
926 th_steel=0.5;
927
c7113aab 928 zdist1 = 361.5;
ef61784c 929
b1952773 930}