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