]> git.uio.no Git - u/mrichter/AliRoot.git/blame - PMD/AliPMDv1.cxx
git://git.uio.no / u / mrichter / AliRoot.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Using the same optimization in the compiler and in the linker
[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$Log$
fe9578d7 17Revision 1.28 2003/10/08 12:59:08 bnandi
18zpos is positive
19
c7113aab 20Revision 1.27 2003/10/08 12:56:58 bnandi
21gaspmd[2] value changed from 7.0 to 0.25
22
fbd5cd1d 23Revision 1.26 2003/10/03 06:04:10 bnandi
24z_psa and z_psb bugs fixed
25
96c4b1d1 26Revision 1.25 2003/10/01 11:08:04 bnandi
27changes for NewIO
28
788c3ee6 29Revision 1.24 2003/10/01 08:32:51 hristov
30CurrentTrack replaced by GetCurrentTrackNumber
31
d1f5ecc3 32Revision 1.23 2003/10/01 05:07:51 bnandi
33New geometry in new Alice Coordinate system
34
b1952773 35New rectangular geometry for ALICE PMD - Bedanga Mohanty and Y. P. Viyogi
36June 2003
37*/
c4561145 38//
39///////////////////////////////////////////////////////////////////////////////
40// //
41// Photon Multiplicity Detector Version 1 //
42// //
43//Begin_Html
44/*
45<img src="picts/AliPMDv1Class.gif">
46*/
47//End_Html
48// //
49///////////////////////////////////////////////////////////////////////////////
50////
51
88cb7938 52#include "AliPMDv1.h"
53#include "AliRun.h"
b1952773 54#include "AliConst.h"
55#include "AliMagF.h"
788c3ee6 56#include "Riostream.h"
57#include <TVirtualMC.h>
c4561145 58
b1952773 59static Int_t ncol_um1,ncol_um2, nrow_um1, nrow_um2;
60static Int_t kdet;
61static Float_t sm_length_ax,sm_length_ay;
62static Float_t sm_length_bx,sm_length_by;
63static Float_t zdist, zdist1;
64static Float_t sm_thick, cell_radius, cell_wall, cell_depth;
65static Float_t boundary, th_base, th_air, th_pcb;
66static Float_t th_lead, th_steel;
c4561145 67
68ClassImp(AliPMDv1)
69
70 //_____________________________________________________________________________
71 AliPMDv1::AliPMDv1()
72{
73 //
74 // Default constructor
75 //
76 fMedSens=0;
77}
78
79//_____________________________________________________________________________
80AliPMDv1::AliPMDv1(const char *name, const char *title)
81 : AliPMD(name,title)
82{
83 //
84 // Standard constructor
85 //
86 fMedSens=0;
87}
88
89//_____________________________________________________________________________
90void AliPMDv1::CreateGeometry()
91{
b1952773 92 // Create geometry for Photon Multiplicity Detector
93
c4561145 94 GetParameters();
95 CreateSupermodule();
96 CreatePMD();
97}
98
99//_____________________________________________________________________________
100void AliPMDv1::CreateSupermodule()
101{
b1952773 102 //
103 // Creates the geometry of the cells of PMD, places them in supermodule
104 // which is a rectangular object.
105 // Basic unit is ECAR, a hexagonal cell made of Ar+CO2, which is
106 // placed inside another hexagonal cell made of Cu (ECCU) with larger
107 // radius, compared to ECAR. The difference in radius gives the dimension
108 // of half width of each cell wall.
109 // These cells are placed in a rectangular strip which are of 2 types
110 // EST1 and EST2
111 // 2 types of unit modules are made EUM1 and EUM2 which contains these strips
112 // placed repeatedly
113 // Each supermodule (ESMA, ESMB), made of G10 is filled with following
114 //components. They have 9 unit moudles inside them
115 // ESMA, ESMB are placed in EPMD along with EMPB (Pb converter)
c4561145 116 // and EMFE (iron support)
117
c4561145 118
b1952773 119 Int_t i,j;
c4561145 120 Float_t xb, yb, zb;
121 Int_t number;
122 Int_t ihrotm,irotdm;
123 const Float_t root3_2 = TMath::Sqrt(3.) /2.;
b1952773 124 const Float_t root3 = TMath::Sqrt(3.);
c4561145 125 Int_t *idtmed = fIdtmed->GetArray()-599;
126
127 AliMatrix(ihrotm, 90., 30., 90., 120., 0., 0.);
128 AliMatrix(irotdm, 90., 180., 90., 270., 180., 0.);
129
130 zdist = TMath::Abs(zdist1);
131
b1952773 132 // First create the sensitive medium of a hexagon cell (ECAR)
c4561145 133 // Inner hexagon filled with gas (Ar+CO2)
b1952773 134
c4561145 135 Float_t hexd2[10] = {0.,360.,6,2,-0.25,0.,0.23,0.25,0.,0.23};
b1952773 136 hexd2[4] = -cell_depth/2.;
137 hexd2[7] = cell_depth/2.;
138 hexd2[6] = cell_radius - cell_wall;
139 hexd2[9] = cell_radius - cell_wall;
c4561145 140
141 gMC->Gsvolu("ECAR", "PGON", idtmed[604], hexd2,10);
142 gMC->Gsatt("ECAR", "SEEN", 0);
b1952773 143
144 // Place the sensitive medium inside a hexagon copper cell (ECCU)
c4561145 145 // Outer hexagon made of Copper
b1952773 146
c4561145 147 Float_t hexd1[10] = {0.,360.,6,2,-0.25,0.,0.25,0.25,0.,0.25};
b1952773 148 hexd1[4] = -cell_depth/2.;
149 hexd1[7] = cell_depth/2.;
150 hexd1[6] = cell_radius;
151 hexd1[9] = cell_radius;
c4561145 152
153 gMC->Gsvolu("ECCU", "PGON", idtmed[614], hexd1,10);
b1952773 154 gMC->Gsatt("ECCU", "SEEN", 0);
c4561145 155
b1952773 156 // Place inner hex (sensitive volume) inside outer hex (copper)
157
158 gMC->Gsposp("ECAR", 1, "ECCU", 0., 0., 0., 0, "ONLY", hexd2, 10);
159
160 // Now create Rectangular TWO strips (EST1, EST2)
161 // of 1 column and 48 or 96 cells length
c4561145 162
b1952773 163 // volume for first strip EST1 made of AIR
c4561145 164
b1952773 165 Float_t dbox1[3];
166 dbox1[0] = ncol_um1*cell_radius;
167 dbox1[1] = cell_radius/root3_2;
168 dbox1[2] = cell_depth/2.;
169
170 gMC->Gsvolu("EST1","BOX", idtmed[698], dbox1, 3);
171 gMC->Gsatt("EST1", "SEEN", 0);
c4561145 172
b1952773 173 // volume for second strip EST2
c4561145 174
b1952773 175 Float_t dbox2[3];
176 dbox2[0] = ncol_um2*cell_radius;
177 dbox2[1] = dbox1[1];
178 dbox2[2] = dbox1[2];
c4561145 179
b1952773 180 gMC->Gsvolu("EST2","BOX", idtmed[698], dbox2, 3);
181 gMC->Gsatt("EST2", "SEEN", 0);
c4561145 182
b1952773 183 // Place hexagonal cells ECCU placed inside EST1
184 yb = 0.;
185 zb = 0.;
186 xb = -(dbox1[0]) + cell_radius;
187 for (i = 1; i <= ncol_um1; ++i)
188 {
189 number = i;
190 gMC->Gsposp("ECCU", number, "EST1", xb,yb,zb, ihrotm, "ONLY", hexd1,10);
191 xb += (cell_radius*2.);
192 }
193 // Place hexagonal cells ECCU placed inside EST2
194 yb = 0.;
195 zb = 0.;
196 xb = -(dbox2[0]) + cell_radius;
197 for (i = 1; i <= ncol_um2; ++i)
198 {
199 number = i;
200 gMC->Gsposp("ECCU", number, "EST2", xb,yb,zb, ihrotm, "ONLY", hexd1,10);
201 xb += (cell_radius*2.);
202 }
c4561145 203
c4561145 204
205
b1952773 206 // 2 types of rectangular shaped unit modules EUM1 and EUM2 (defined by BOX)
c4561145 207
b1952773 208 // Create EUM1
c4561145 209
b1952773 210 Float_t dbox3[3];
211 dbox3[0] = dbox1[0]+cell_radius/2.;
212 dbox3[1] = (dbox1[1]*nrow_um1)-(cell_radius*root3*(nrow_um1-1)/6.);
213 dbox3[2] = cell_depth/2.;
214
215 gMC->Gsvolu("EUM1","BOX", idtmed[698], dbox3, 3);
216 gMC->Gsatt("EUM1", "SEEN", 1);
217
218 // Place rectangular strips EST1 inside EUM1 unit module
c4561145 219
b1952773 220 yb = -dbox3[1]+dbox1[1];
221 for (j = 1; j <= nrow_um1; ++j)
222 {
223 if(j%2 == 0)
224 {
225 xb =cell_radius/2.0;
226 }
227 else
228 {
229 xb = -cell_radius/2.0;
230 }
231 number = j;
232 gMC->Gsposp("EST1",number, "EUM1", xb, yb , 0. , 0, "MANY",dbox1,3);
233 yb = (-dbox3[1]+dbox1[1])+j*1.0*cell_radius*root3;
c4561145 234 }
c4561145 235
b1952773 236 // Create EUM2
c4561145 237
b1952773 238 Float_t dbox4[3];
239 dbox4[0] = dbox2[0]+cell_radius/2.;
240 dbox4[1] =(dbox2[1]*nrow_um2)-(cell_radius*root3*(nrow_um2-1)/6.);
241 dbox4[2] = dbox3[2];
c4561145 242
b1952773 243 gMC->Gsvolu("EUM2","BOX", idtmed[698], dbox4, 3);
244 gMC->Gsatt("EUM2", "SEEN", 1);
c4561145 245
b1952773 246 // Place rectangular strips EST2 inside EUM2 unit module
c4561145 247
b1952773 248 yb = -dbox4[1]+dbox2[1];
249 for (j = 1; j <= nrow_um2; ++j)
250 {
251 if(j%2 == 0)
252 {
253 xb =cell_radius/2.0;
254 }
255 else
256 {
257 xb = -cell_radius/2.0;
258 }
259 number = j;
260 gMC->Gsposp("EST2",number, "EUM2", xb, yb , 0. , 0, "MANY",dbox2,3);
261 yb = (-dbox4[1]+dbox2[1])+j*1.0*cell_radius*root3;
262 }
c4561145 263
b1952773 264 // 2 types of Rectangular shaped supermodules (BOX)
265 //each with 6 unit modules
266
267 // volume for SUPERMODULE ESMA
268 //Space added to provide a gapping for HV between UM's
269
270 Float_t dbox_sm1[3];
271 dbox_sm1[0] = 3.0*dbox3[0]+(2.0*0.025);
272 dbox_sm1[1] = 2.0*dbox3[1]+0.025;
273 dbox_sm1[2] = cell_depth/2.;
274
275 gMC->Gsvolu("ESMA","BOX", idtmed[698], dbox_sm1, 3);
276 gMC->Gsatt("ESMA", "SEEN", 1);
277
278 //Position the 6 unit modules in EMSA
279 Float_t x_a1,x_a2,x_a3,y_a1,y_a2;
280 x_a1 = -dbox_sm1[0] + dbox3[0];
281 x_a2 = 0.;
282 x_a3 = dbox_sm1[0] - dbox3[0];
283 y_a1 = dbox_sm1[1] - dbox3[1];
284 y_a2 = -dbox_sm1[1] + dbox3[1];
285
286 gMC->Gsposp("EUM1", 1, "ESMA", x_a1, y_a1, 0., 0, "ONLY",dbox3,3);
287 gMC->Gsposp("EUM1", 2, "ESMA", x_a2, y_a1, 0., 0, "ONLY",dbox3,3);
288 gMC->Gsposp("EUM1", 3, "ESMA", x_a3, y_a1, 0., 0, "ONLY",dbox3,3);
289 gMC->Gsposp("EUM1", 4, "ESMA", x_a1, y_a2, 0., 0, "ONLY",dbox3,3);
290 gMC->Gsposp("EUM1", 5, "ESMA", x_a2, y_a2, 0., 0, "ONLY",dbox3,3);
291 gMC->Gsposp("EUM1", 6, "ESMA", x_a3, y_a2, 0., 0, "ONLY",dbox3,3);
292
293
294 // volume for SUPERMODULE ESMB
295 //Space is added to provide a gapping for HV between UM's
296 Float_t dbox_sm2[3];
297 dbox_sm2[0] = 2.0*dbox4[0]+0.025;
298 dbox_sm2[1] = 3.0*dbox4[1]+(2.0*0.025);
299 dbox_sm2[2] = cell_depth/2.;
300
301 gMC->Gsvolu("ESMB","BOX", idtmed[698], dbox_sm2, 3);
302 gMC->Gsatt("ESMB", "SEEN", 1);
303
304 //Position the 6 unit modules in EMSB
305 Float_t x_b1,x_b2,y_b1,y_b2,y_b3;
306 x_b1 = -dbox_sm2[0] +dbox4[0];
307 x_b2 = dbox_sm2[0]-dbox4[0];
308 y_b1 =dbox_sm2[1]-dbox4[1];
309 y_b2 = 0.;
310 y_b3 = -dbox_sm2[1]+dbox4[1];
311
312 gMC->Gsposp("EUM2", 1, "ESMB", x_b1, y_b1, 0., 0, "ONLY",dbox4,3);
313 gMC->Gsposp("EUM2", 2, "ESMB", x_b2, y_b1, 0., 0, "ONLY",dbox4,3);
314 gMC->Gsposp("EUM2", 3, "ESMB", x_b1, y_b2, 0., 0, "ONLY",dbox4,3);
315 gMC->Gsposp("EUM2", 4, "ESMB", x_b2, y_b2, 0., 0, "ONLY",dbox4,3);
316 gMC->Gsposp("EUM2", 5, "ESMB", x_b1, y_b3, 0., 0, "ONLY",dbox4,3);
317 gMC->Gsposp("EUM2", 6, "ESMB", x_b2, y_b3, 0., 0, "ONLY",dbox4,3);
318
319
320 // Make a 3mm thick G10 Base plate for ESMA
321 Float_t dbox_g1a[3];
322 dbox_g1a[0] = dbox_sm1[0];
323 dbox_g1a[1] = dbox_sm1[1];
324 dbox_g1a[2] = th_base/2.;
325
326 gMC->Gsvolu("EBPA","BOX", idtmed[607], dbox_g1a, 3);
327 gMC->Gsatt("EBPA", "SEEN", 1);
328
329 // Make a 1.6mm thick G10 PCB for ESMA
330 Float_t dbox_g2a[3];
331 dbox_g2a[0] = dbox_sm1[0];
332 dbox_g2a[1] = dbox_sm1[1];
333 dbox_g2a[2] = th_pcb/2.;
334
335 gMC->Gsvolu("EPCA","BOX", idtmed[607], dbox_g2a, 3);
336 gMC->Gsatt("EPCA", "SEEN", 1);
337
338
339 // Make a Full module EFPA of AIR to place EBPA,
340 // 1mm AIR, EPCA, ESMA,EPCA for PMD
341
342 Float_t dbox_alla[3];
343 dbox_alla[0] = dbox_sm1[0];
344 dbox_alla[1] = dbox_sm1[1];
345 dbox_alla[2] = (th_base+0.1+th_pcb+dbox_sm1[2]+th_pcb)/2.;
346
347 gMC->Gsvolu("EFPA","BOX", idtmed[698], dbox_alla, 3);
348 gMC->Gsatt("EFPA", "SEEN", 1);
349
350
351 // Make a Full module EFCA of AIR to place EBPA,
352 // 1mm AIR, EPCA, ESMA,EPC for CPV
353 Float_t dbox_alla2[3];
354 dbox_alla2[0] = dbox_sm1[0];
355 dbox_alla2[1] = dbox_sm1[1];
356 dbox_alla2[2] = (th_base+0.1+th_pcb+dbox_sm1[2]+th_pcb)/2.;
357
358 gMC->Gsvolu("EFCA","BOX", idtmed[698], dbox_alla2, 3);
359 gMC->Gsatt("EFCA", "SEEN", 1);
360
361 // Now place everything in EFPA for PMD
362
363 Float_t z_bpa,z_pcba1,z_pcba2,z_sma;
364 z_pcba1 = - dbox_alla[2]+th_pcb/2.0;
365 gMC->Gsposp("EPCA", 1, "EFPA", 0., 0., z_pcba1, 0, "ONLY",dbox_g2a,3);
366 z_sma = z_pcba1+dbox_sm1[2];
367 gMC->Gsposp("ESMA", 1, "EFPA", 0., 0., z_sma, 0, "ONLY",dbox_sm1,3);
368 z_pcba2 = z_sma+th_pcb/2.0;
369 gMC->Gsposp("EPCA", 2, "EFPA", 0., 0., z_pcba2, 0, "ONLY",dbox_g2a,3);
370 z_bpa = z_pcba2+0.1+th_base/2.0; // 0.1 for 0.1 mm Air gap
371 gMC->Gsposp("EBPA", 1, "EFPA", 0., 0., z_bpa, 0, "ONLY",dbox_g1a,3);
372
373 // Now place everything in EFCA for CPV
374
375 Float_t z_bpa2,z_pcba12,z_pcba22,z_sma2;
376 z_bpa2 = - dbox_alla2[2]+th_base/2.0;
377 gMC->Gsposp("EBPA", 1, "EFCA", 0., 0., z_bpa2, 0, "ONLY",dbox_g1a,3);
378 z_pcba12 = z_bpa2+0.1+th_pcb/2.0;
379 gMC->Gsposp("EPCA", 1, "EFCA", 0., 0., z_pcba12, 0, "ONLY",dbox_g2a,3);
380 z_sma2 = z_pcba12+dbox_sm1[2];
381 gMC->Gsposp("ESMA", 1, "EFCA", 0., 0., z_sma2, 0, "ONLY",dbox_sm1,3);
382 z_pcba22 = z_sma2+th_pcb/2.0;
383 gMC->Gsposp("EPCA", 2, "EFCA", 0., 0., z_pcba22, 0, "ONLY",dbox_g2a,3);
c4561145 384
385
c4561145 386
b1952773 387 // Make a 3mm thick G10 Base plate for ESMB
388 Float_t dbox_g1b[3];
389 dbox_g1b[0] = dbox_sm2[0];
390 dbox_g1b[1] = dbox_sm2[1];
391 dbox_g1b[2] = th_base/2.;
392
393 gMC->Gsvolu("EBPB","BOX", idtmed[607], dbox_g1b, 3);
394 gMC->Gsatt("EBPB", "SEEN", 1);
395
396 // Make a 1.6mm thick G10 PCB for ESMB
397 Float_t dbox_g2b[3];
398 dbox_g2b[0] = dbox_sm2[0];
399 dbox_g2b[1] = dbox_sm2[1];
400 dbox_g2b[2] = th_pcb/2.;
c4561145 401
b1952773 402 gMC->Gsvolu("EPCB","BOX", idtmed[607], dbox_g2b, 3);
403 gMC->Gsatt("EPCB", "SEEN", 1);
c4561145 404
c4561145 405
b1952773 406 // Make a Full module EFPB of AIR to place EBPB,
407 //1mm AIR, EPCB, ESMB,EPCB for PMD
408 Float_t dbox_allb[3];
409 dbox_allb[0] = dbox_sm2[0];
410 dbox_allb[1] = dbox_sm2[1];
411 dbox_allb[2] = (th_base+0.1+th_pcb+dbox_sm2[2]+th_pcb)/2.;
c4561145 412
b1952773 413 gMC->Gsvolu("EFPB","BOX", idtmed[698], dbox_allb, 3);
414 gMC->Gsatt("EFPB", "SEEN", 1);
c4561145 415
b1952773 416 // Make a Full module EFCB of AIR to place EBPB,
417 //1mm AIR, EPCB, ESMB,EPCB for CPV
418 Float_t dbox_allb2[3];
419 dbox_allb2[0] = dbox_sm2[0];
420 dbox_allb2[1] = dbox_sm2[1];
421 dbox_allb2[2] = (th_base+0.1+th_pcb+dbox_sm2[2]+th_pcb)/2.;
c4561145 422
b1952773 423 gMC->Gsvolu("EFCB","BOX", idtmed[698], dbox_allb2, 3);
424 gMC->Gsatt("EFCB", "SEEN", 1);
c4561145 425
c4561145 426
b1952773 427 // Now place everything in EFPB for PMD
c4561145 428
b1952773 429 Float_t z_bpb,z_pcbb1,z_pcbb2,z_smb;
430 z_pcbb1 = - dbox_allb[2]+th_pcb/2.0;
431 gMC->Gsposp("EPCB", 1, "EFPB", 0., 0., z_pcbb1, 0, "ONLY",dbox_g2b,3);
432 z_smb = z_pcbb1+dbox_sm2[2];
433 gMC->Gsposp("ESMB", 1, "EFPB", 0., 0., z_smb, 0, "ONLY",dbox_sm2,3);
434 z_pcbb2 = z_smb+th_pcb/2.0;
435 gMC->Gsposp("EPCB", 2, "EFPB", 0., 0., z_pcbb2, 0, "ONLY",dbox_g2b,3);
436 z_bpb = z_pcbb2+0.1+th_base/2.0; // 0.1 for 0.1 mm Air gap
437 gMC->Gsposp("EBPB", 1, "EFPB", 0., 0., z_bpb, 0, "ONLY",dbox_g1b,3);
c4561145 438
c4561145 439
b1952773 440 // Now place everything in EFCB for CPV
441
442 Float_t z_bpb2,z_pcbb12,z_pcbb22,z_smb2;
443 z_bpb2 = - dbox_allb2[2]+th_base/2.0;
444 gMC->Gsposp("EBPB", 1, "EFCB", 0., 0., z_bpb2, 0, "ONLY",dbox_g1b,3);
445 z_pcbb12 = z_bpb2+0.1+th_pcb/2.0;
446 gMC->Gsposp("EPCB", 1, "EFCB", 0., 0., z_pcbb12, 0, "ONLY",dbox_g2b,3);
447 z_smb2 = z_pcbb12+dbox_sm2[2];
448 gMC->Gsposp("ESMB", 1, "EFCB", 0., 0., z_smb2, 0, "ONLY",dbox_sm2,3);
449 z_pcbb22 = z_smb2+th_pcb/2.0;
450 gMC->Gsposp("EPCB", 2, "EFCB", 0., 0., z_pcbb22, 0, "ONLY",dbox_g2b,3);
c4561145 451
c4561145 452
b1952773 453 // Master MODULE EMPA of aluminum for PMD
454 //Float_t dbox_mm1[3];
455 dbox_mm1[0] = dbox_sm1[0]+boundary;
456 dbox_mm1[1] = dbox_sm1[1]+boundary;
457 dbox_mm1[2] = dbox_alla[2];
c4561145 458
b1952773 459 gMC->Gsvolu("EMPA","BOX", idtmed[603], dbox_mm1, 3);
460 gMC->Gsatt("EMPA", "SEEN", 1);
c4561145 461
b1952773 462 // Master MODULE EMCA of aluminum for CPV
463 //Float_t dbox_mm12[3];
464 dbox_mm12[0] = dbox_sm1[0]+boundary;
465 dbox_mm12[1] = dbox_sm1[1]+boundary;
466 dbox_mm12[2] = dbox_alla[2];
c4561145 467
b1952773 468 gMC->Gsvolu("EMCA","BOX", idtmed[603], dbox_mm12, 3);
469 gMC->Gsatt("EMCA", "SEEN", 1);
c4561145 470
471
b1952773 472 //Position EFMA inside EMMA for PMD and CPV
473 gMC->Gsposp("EFPA", 1, "EMPA", 0., 0., 0., 0, "ONLY",dbox_alla,3);
474 gMC->Gsposp("EFCA", 1, "EMCA", 0., 0., 0., 0, "ONLY",dbox_alla2,3);
c4561145 475
c4561145 476
b1952773 477 // Master MODULE EMPB of aluminum for PMD
478 //Float_t dbox_mm2[3];
479 dbox_mm2[0] = dbox_sm2[0]+boundary;
480 dbox_mm2[1] = dbox_sm2[1]+boundary;
481 dbox_mm2[2] = dbox_allb[2];
c4561145 482
b1952773 483 gMC->Gsvolu("EMPB","BOX", idtmed[603], dbox_mm2, 3);
484 gMC->Gsatt("EMPB", "SEEN", 1);
c4561145 485
b1952773 486 // Master MODULE EMCB of aluminum for CPV
487 //Float_t dbox_mm22[3];
488 dbox_mm22[0] = dbox_sm2[0]+boundary;
489 dbox_mm22[1] = dbox_sm2[1]+boundary;
490 dbox_mm22[2] = dbox_allb[2];
c4561145 491
b1952773 492 gMC->Gsvolu("EMCB","BOX", idtmed[603], dbox_mm22, 3);
493 gMC->Gsatt("EMCB", "SEEN", 1);
c4561145 494
b1952773 495
496 //Position EFMB inside EMMB
497 gMC->Gsposp("EFPB", 1, "EMPB", 0., 0., 0., 0, "ONLY",dbox_allb,3);
498 gMC->Gsposp("EFCB", 1, "EMCB", 0., 0., 0., 0, "ONLY",dbox_allb2,3);
c4561145 499
500}
501
502//_____________________________________________________________________________
503
504void AliPMDv1::CreatePMD()
505{
b1952773 506
c4561145 507 //
508 // Create final detector from supermodules
b1952773 509 // -- Author : Bedanga and Viyogi June 2003
c4561145 510
511 Float_t xp, yp, zp;
c4561145 512 Int_t jhrot12,jhrot13, irotdm;
c4561145 513 Int_t *idtmed = fIdtmed->GetArray()-599;
514
b1952773 515 //VOLUMES Names : begining with "E" for all PMD volumes,
516
517 // --- DEFINE Iron, and lead volumes for SM A
518
519 Float_t dbox_pba[3];
520 dbox_pba[0] = sm_length_ax;
521 dbox_pba[1] = sm_length_ay;
522 dbox_pba[2] = th_lead/2.;
c4561145 523
b1952773 524 gMC->Gsvolu("EPBA","BOX", idtmed[600], dbox_pba, 3);
525 gMC->Gsatt ("EPBA", "SEEN", 0);
c4561145 526
b1952773 527 // Fe Support
528 Float_t dbox_fea[3];
529 dbox_fea[0] = sm_length_ax;
530 dbox_fea[1] = sm_length_ay;
531 dbox_fea[2] = th_steel/2.;
c4561145 532
b1952773 533 gMC->Gsvolu("EFEA","BOX", idtmed[618], dbox_fea, 3);
534 gMC->Gsatt ("EFEA", "SEEN", 0);
c4561145 535
b1952773 536 // --- DEFINE Iron, and lead volumes for SM B
537
538 Float_t dbox_pbb[3];
539 dbox_pbb[0] = sm_length_bx;
540 dbox_pbb[1] = sm_length_by;
541 dbox_pbb[2] = th_lead/2.;
542
543 gMC->Gsvolu("EPBB","BOX", idtmed[600], dbox_pbb, 3);
544 gMC->Gsatt ("EPBB", "SEEN", 0);
545
546 // Fe Support
547 Float_t dbox_feb[3];
548 dbox_feb[0] = sm_length_bx;
549 dbox_feb[1] = sm_length_by;
550 dbox_feb[2] = th_steel/2.;
551
552 gMC->Gsvolu("EFEB","BOX", idtmed[618], dbox_feb, 3);
553 gMC->Gsatt ("EFEB", "SEEN", 0);
c4561145 554
c4561145 555
b1952773 556 // Gaspmd, the dimension of RECTANGULAR mother volume of PMD,
c4561145 557
fe9578d7 558 Float_t gaspmd[3] = {81.5,94.5,7.};
b1952773 559 gaspmd[0] = sm_length_ax+sm_length_bx;
560 gaspmd[1] = sm_length_ay+sm_length_by;
c4561145 561
c4561145 562
b1952773 563 gMC->Gsvolu("EPMD", "BOX", idtmed[698], gaspmd, 3);
564 gMC->Gsatt("EPMD", "SEEN", 1);
c4561145 565
566 AliMatrix(irotdm, 90., 0., 90., 90., 180., 0.);
567
b1952773 568 AliMatrix(jhrot12, 90., 180., 90., 270., 0., 0.);
c4561145 569 AliMatrix(jhrot13, 90., 240., 90., 330., 0., 0.);
570
b1952773 571 Float_t x_sma,y_sma;
572 Float_t x_smb,y_smb;
573 x_sma = -(sm_length_bx)/1.0;
574 y_sma = sm_length_by;
575 x_smb = -sm_length_ax;
576 y_smb = -sm_length_ay;
577
578 //Complete detector for Type A
579 //Position Super modules type A for both CPV and PMD in EPMD
580 Float_t z_psa,z_pba,z_fea,z_cva;
96c4b1d1 581
582 z_psa = - gaspmd[2] + sm_thick/2.;
b1952773 583
584 gMC->Gsposp("EMPA", 1, "EPMD", x_sma, y_sma, z_psa, 0, "ONLY",dbox_mm1,3);
585 gMC->Gsposp("EMPA", 2, "EPMD", -x_sma, -y_sma, z_psa, jhrot12, "ONLY",dbox_mm1,3);
586 z_pba=z_psa+sm_thick/2.+dbox_pba[2];
587 gMC->Gsposp("EPBA", 1, "EPMD", x_sma, y_sma, z_pba, 0, "ONLY",dbox_pba,3);
588 gMC->Gsposp("EPBA", 2, "EPMD", -x_sma, -y_sma, z_pba, 0, "ONLY",dbox_pba,3);
589 z_fea=z_pba+dbox_pba[2]+dbox_fea[2];
590 gMC->Gsposp("EFEA", 1, "EPMD", x_sma, y_sma, z_fea, 0, "ONLY",dbox_fea,3);
591 gMC->Gsposp("EFEA", 2, "EPMD", -x_sma, -y_sma, z_fea, 0, "ONLY",dbox_fea,3);
592 z_cva=z_fea+dbox_fea[2]+sm_thick/2.;
593 gMC->Gsposp("EMCA", 1, "EPMD", x_sma, y_sma, z_cva, 0, "ONLY",dbox_mm12,3);
594 gMC->Gsposp("EMCA", 2, "EPMD", -x_sma,-y_sma, z_cva, jhrot12, "ONLY",dbox_mm12,3);
595
596 //Complete detector for Type B
597 //Position Super modules type B for both CPV and PMD in EPMD
598 Float_t z_psb,z_pbb,z_feb,z_cvb;
96c4b1d1 599 z_psb = - gaspmd[2] + sm_thick/2.;
b1952773 600
601 gMC->Gsposp("EMPB", 3, "EPMD", x_smb, y_smb, z_psb, 0, "ONLY",dbox_mm2,3);
602 gMC->Gsposp("EMPB", 4, "EPMD", -x_smb, -y_smb, z_psb, jhrot12, "ONLY",dbox_mm2,3);
603 z_pbb=z_psb+sm_thick/2.+dbox_pbb[2];
604 gMC->Gsposp("EPBB", 3, "EPMD", x_smb, y_smb, z_pbb, 0, "ONLY",dbox_pbb,3);
605 gMC->Gsposp("EPBB", 4, "EPMD", -x_smb, -y_smb, z_pbb, 0, "ONLY",dbox_pbb,3);
606 z_feb=z_pbb+dbox_pbb[2]+dbox_feb[2];
607 gMC->Gsposp("EFEB", 3, "EPMD", x_smb, y_smb, z_feb, 0, "ONLY",dbox_feb,3);
608 gMC->Gsposp("EFEB", 4, "EPMD", -x_smb, -y_smb, z_feb, 0, "ONLY",dbox_feb,3);
609 z_cvb=z_feb+dbox_feb[2]+sm_thick/2.;
610 gMC->Gsposp("EMCB", 3, "EPMD", x_smb, y_smb, z_cvb, 0, "ONLY",dbox_mm22,3);
611 gMC->Gsposp("EMCB", 4, "EPMD", -x_smb,-y_smb, z_cvb, jhrot12, "ONLY",dbox_mm22,3);
c4561145 612
c4561145 613 // --- Place the EPMD in ALICE
614 xp = 0.;
615 yp = 0.;
616 zp = zdist1;
b1952773 617
618 //Position Full PMD in ALICE
619 gMC->Gsposp("EPMD", 1, "ALIC", xp,yp,zp, 0, "ONLY",gaspmd,3);
620
c4561145 621}
622
623
624//_____________________________________________________________________________
625void AliPMDv1::DrawModule()
626{
b1952773 627 cout << " Inside Draw Modules " << endl;
c4561145 628 //
629 // Draw a shaded view of the Photon Multiplicity Detector
630 //
631
632 gMC->Gsatt("*", "seen", -1);
633 gMC->Gsatt("alic", "seen", 0);
634 //
635 // Set the visibility of the components
636 //
637 gMC->Gsatt("ECAR","seen",0);
638 gMC->Gsatt("ECCU","seen",1);
b1952773 639 gMC->Gsatt("EST1","seen",1);
640 gMC->Gsatt("EST2","seen",1);
641 gMC->Gsatt("EUM1","seen",1);
642 gMC->Gsatt("EUM2","seen",1);
643 gMC->Gsatt("ESMA","seen",1);
644 gMC->Gsatt("EPMD","seen",1);
c4561145 645 //
646 gMC->Gdopt("hide", "on");
647 gMC->Gdopt("shad", "on");
648 gMC->Gsatt("*", "fill", 7);
649 gMC->SetClipBox(".");
650 gMC->SetClipBox("*", 0, 3000, -3000, 3000, -6000, 6000);
651 gMC->DefaultRange();
652 gMC->Gdraw("alic", 40, 30, 0, 22, 20.5, .02, .02);
653 gMC->Gdhead(1111, "Photon Multiplicity Detector Version 1");
654
655 //gMC->Gdman(17, 5, "MAN");
656 gMC->Gdopt("hide", "off");
b1952773 657
658 cout << " Outside Draw Modules " << endl;
c4561145 659}
660
661//_____________________________________________________________________________
662void AliPMDv1::CreateMaterials()
663{
b1952773 664 cout << " Inside create materials " << endl;
c4561145 665 //
666 // Create materials for the PMD
667 //
668 // ORIGIN : Y. P. VIYOGI
669 //
670
671 // --- The Argon- CO2 mixture ---
672 Float_t ag[2] = { 39.95 };
673 Float_t zg[2] = { 18. };
b1952773 674 Float_t wg[2] = { .7,.3 };
c4561145 675 Float_t dar = .001782; // --- Ar density in g/cm3 ---
676 // --- CO2 ---
677 Float_t ac[2] = { 12.,16. };
678 Float_t zc[2] = { 6.,8. };
679 Float_t wc[2] = { 1.,2. };
680 Float_t dc = .001977;
681 Float_t dco = .002; // --- CO2 density in g/cm3 ---
682
683 Float_t absl, radl, a, d, z;
684 Float_t dg;
685 Float_t x0ar;
c4561145 686 Float_t buf[1];
687 Int_t nbuf;
688 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
689 Float_t zsteel[4] = { 26.,24.,28.,14. };
690 Float_t wsteel[4] = { .715,.18,.1,.005 };
691
692 Int_t *idtmed = fIdtmed->GetArray()-599;
693 Int_t isxfld = gAlice->Field()->Integ();
694 Float_t sxmgmx = gAlice->Field()->Max();
695
696 // --- Define the various materials for GEANT ---
697 AliMaterial(1, "Pb $", 207.19, 82., 11.35, .56, 18.5);
698 x0ar = 19.55 / dar;
699 AliMaterial(2, "Argon$", 39.95, 18., dar, x0ar, 6.5e4);
700 AliMixture(3, "CO2 $", ac, zc, dc, -2, wc);
701 AliMaterial(4, "Al $", 26.98, 13., 2.7, 8.9, 18.5);
702 AliMaterial(6, "Fe $", 55.85, 26., 7.87, 1.76, 18.5);
703 AliMaterial(7, "W $", 183.85, 74., 19.3, .35, 10.3);
704 AliMaterial(8, "G10 $", 20., 10., 1.7, 19.4, 999.);
705 AliMaterial(9, "SILIC$", 28.09, 14., 2.33, 9.36, 45.);
706 AliMaterial(10, "Be $", 9.01, 4., 1.848, 35.3, 36.7);
707 AliMaterial(15, "Cu $", 63.54, 29., 8.96, 1.43, 15.);
708 AliMaterial(16, "C $", 12.01, 6., 2.265, 18.8, 49.9);
709 AliMaterial(17, "POLYCARBONATE $", 20., 10., 1.2, 34.6, 999.);
710 AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
711 // AliMaterial(31, "Xenon$", 131.3, 54., dxe, x0xe, 6.5e4);
712
713 AliMaterial(96, "MYLAR$", 8.73, 4.55, 1.39, 28.7, 62.);
714 AliMaterial(97, "CONCR$", 20., 10., 2.5, 10.7, 40.);
715 AliMaterial(98, "Vacum$", 1e-9, 1e-9, 1e-9, 1e16, 1e16);
716 AliMaterial(99, "Air $", 14.61, 7.3, .0012, 30420., 67500.);
717
718 // define gas-mixtures
719
b1952773 720 char namate[21];
c4561145 721 gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf);
722 ag[1] = a;
723 zg[1] = z;
724 dg = (dar * 4 + dco) / 5;
725 AliMixture(5, "ArCO2$", ag, zg, dg, 2, wg);
726
727 // Define tracking media
728 AliMedium(1, "Pb conv.$", 1, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
729 AliMedium(7, "W conv.$", 7, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
730 AliMedium(8, "G10plate$", 8, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
731 AliMedium(4, "Al $", 4, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
732 AliMedium(6, "Fe $", 6, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
733 AliMedium(5, "ArCO2 $", 5, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1);
734 AliMedium(9, "SILICON $", 9, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1);
735 AliMedium(10, "Be $", 10, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
736 AliMedium(98, "Vacuum $", 98, 0, 0, isxfld, sxmgmx, 1., .1, .1, 10);
737 AliMedium(99, "Air gaps$", 99, 0, 0, isxfld, sxmgmx, 1., .1, .1, .1);
738 AliMedium(15, "Cu $", 15, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
739 AliMedium(16, "C $", 16, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
740 AliMedium(17, "PLOYCARB$", 17, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
741 AliMedium(19, " S steel$", 19, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
742 // AliMedium(31, "Xenon $", 31, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1);
743
744 // --- Generate explicitly delta rays in the iron, aluminium and lead ---
745 gMC->Gstpar(idtmed[600], "LOSS", 3.);
746 gMC->Gstpar(idtmed[600], "DRAY", 1.);
747
748 gMC->Gstpar(idtmed[603], "LOSS", 3.);
749 gMC->Gstpar(idtmed[603], "DRAY", 1.);
750
751 gMC->Gstpar(idtmed[604], "LOSS", 3.);
752 gMC->Gstpar(idtmed[604], "DRAY", 1.);
753
754 gMC->Gstpar(idtmed[605], "LOSS", 3.);
755 gMC->Gstpar(idtmed[605], "DRAY", 1.);
756
757 gMC->Gstpar(idtmed[606], "LOSS", 3.);
758 gMC->Gstpar(idtmed[606], "DRAY", 1.);
759
760 gMC->Gstpar(idtmed[607], "LOSS", 3.);
761 gMC->Gstpar(idtmed[607], "DRAY", 1.);
762
763 // --- Energy cut-offs in the Pb and Al to gain time in tracking ---
764 // --- without affecting the hit patterns ---
765 gMC->Gstpar(idtmed[600], "CUTGAM", 1e-4);
766 gMC->Gstpar(idtmed[600], "CUTELE", 1e-4);
767 gMC->Gstpar(idtmed[600], "CUTNEU", 1e-4);
768 gMC->Gstpar(idtmed[600], "CUTHAD", 1e-4);
769 gMC->Gstpar(idtmed[605], "CUTGAM", 1e-4);
770 gMC->Gstpar(idtmed[605], "CUTELE", 1e-4);
771 gMC->Gstpar(idtmed[605], "CUTNEU", 1e-4);
772 gMC->Gstpar(idtmed[605], "CUTHAD", 1e-4);
773 gMC->Gstpar(idtmed[606], "CUTGAM", 1e-4);
774 gMC->Gstpar(idtmed[606], "CUTELE", 1e-4);
775 gMC->Gstpar(idtmed[606], "CUTNEU", 1e-4);
776 gMC->Gstpar(idtmed[606], "CUTHAD", 1e-4);
777 gMC->Gstpar(idtmed[603], "CUTGAM", 1e-4);
778 gMC->Gstpar(idtmed[603], "CUTELE", 1e-4);
779 gMC->Gstpar(idtmed[603], "CUTNEU", 1e-4);
780 gMC->Gstpar(idtmed[603], "CUTHAD", 1e-4);
781 gMC->Gstpar(idtmed[609], "CUTGAM", 1e-4);
782 gMC->Gstpar(idtmed[609], "CUTELE", 1e-4);
783 gMC->Gstpar(idtmed[609], "CUTNEU", 1e-4);
784 gMC->Gstpar(idtmed[609], "CUTHAD", 1e-4);
785
786 // --- Prevent particles stopping in the gas due to energy cut-off ---
787 gMC->Gstpar(idtmed[604], "CUTGAM", 1e-5);
788 gMC->Gstpar(idtmed[604], "CUTELE", 1e-5);
789 gMC->Gstpar(idtmed[604], "CUTNEU", 1e-5);
790 gMC->Gstpar(idtmed[604], "CUTHAD", 1e-5);
791 gMC->Gstpar(idtmed[604], "CUTMUO", 1e-5);
b1952773 792
793 cout << " Outside create materials " << endl;
794
c4561145 795}
796
797//_____________________________________________________________________________
798void AliPMDv1::Init()
799{
800 //
801 // Initialises PMD detector after it has been built
802 //
b1952773 803
c4561145 804 Int_t i;
805 kdet=1;
806 //
b1952773 807 cout << " Inside Init " << endl;
1592ac65 808 if(fDebug) {
809 printf("\n%s: ",ClassName());
810 for(i=0;i<35;i++) printf("*");
811 printf(" PMD_INIT ");
812 for(i=0;i<35;i++) printf("*");
813 printf("\n%s: ",ClassName());
814 printf(" PMD simulation package (v1) initialised\n");
815 printf("%s: parameters of pmd\n",ClassName());
dee197d3 816 printf("%s: %10.2f %10.2f %10.2f \
1592ac65 817 %10.2f\n",ClassName(),cell_radius,cell_wall,cell_depth,zdist1 );
818 printf("%s: ",ClassName());
819 for(i=0;i<80;i++) printf("*");
820 printf("\n");
821 }
c4561145 822
823 Int_t *idtmed = fIdtmed->GetArray()-599;
824 fMedSens=idtmed[605-1];
b1952773 825
c4561145 826}
827
828//_____________________________________________________________________________
829void AliPMDv1::StepManager()
830{
831 //
832 // Called at each step in the PMD
833 //
b1952773 834
c4561145 835 Int_t copy;
836 Float_t hits[4], destep;
837 Float_t center[3] = {0,0,0};
b1952773 838 Int_t vol[8]; //5
839 //const char *namep;
c4561145 840
841 if(gMC->GetMedium() == fMedSens && (destep = gMC->Edep())) {
842
843 gMC->CurrentVolID(copy);
c4561145 844 //namep=gMC->CurrentVolName();
b1952773 845 //printf("Current vol is %s \n",namep);
c4561145 846 vol[0]=copy;
c4561145 847
b1952773 848 gMC->CurrentVolOffID(1,copy);
c4561145 849 //namep=gMC->CurrentVolOffName(1);
850 //printf("Current vol 11 is %s \n",namep);
c4561145 851 vol[1]=copy;
c4561145 852
b1952773 853 gMC->CurrentVolOffID(2,copy);
c4561145 854 //namep=gMC->CurrentVolOffName(2);
855 //printf("Current vol 22 is %s \n",namep);
c4561145 856 vol[2]=copy;
857
858 // if(strncmp(namep,"EHC1",4))vol[2]=1;
859
860 gMC->CurrentVolOffID(3,copy);
c4561145 861 //namep=gMC->CurrentVolOffName(3);
862 //printf("Current vol 33 is %s \n",namep);
c4561145 863 vol[3]=copy;
c4561145 864
b1952773 865 gMC->CurrentVolOffID(4,copy);
c4561145 866 //namep=gMC->CurrentVolOffName(4);
867 //printf("Current vol 44 is %s \n",namep);
c4561145 868 vol[4]=copy;
c4561145 869
b1952773 870 gMC->CurrentVolOffID(5,copy);
871 //namep=gMC->CurrentVolOffName(5);
872 //printf("Current vol 55 is %s \n",namep);
873 vol[5]=copy;
874
875 gMC->CurrentVolOffID(6,copy);
876 //namep=gMC->CurrentVolOffName(6);
877 //printf("Current vol 66 is %s \n",namep);
878 vol[6]=copy;
879
880 gMC->CurrentVolOffID(7,copy);
881 //namep=gMC->CurrentVolOffName(7);
882 //printf("Current vol 77 is %s \n",namep);
883 vol[7]=copy;
884
885
886 //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);
887
c4561145 888 gMC->Gdtom(center,hits,1);
889 hits[3] = destep*1e9; //Number in eV
d1f5ecc3 890 AddHit(gAlice->GetCurrentTrackNumber(), vol, hits);
b1952773 891
c4561145 892 }
893}
894
895
896//------------------------------------------------------------------------
897// Get parameters
898
899void AliPMDv1::GetParameters()
900{
b1952773 901 const Float_t root3 = TMath::Sqrt(3.);
902 const Float_t root3_2 = TMath::Sqrt(3.) /2.;
903 //
c4561145 904 cell_radius=0.25;
905 cell_wall=0.02;
906 cell_depth=0.25 * 2.;
907 //
b1952773 908 ncol_um1 = 48;
909 ncol_um2 = 96;
910 nrow_um1 = 96;//each strip has 1 row
911 nrow_um2 = 48;//each strip has 1 row
912 //
913 sm_length_ax = (3.0*(ncol_um1*cell_radius+cell_radius/2.)+(2.0*0.025)) + 0.7;
914 sm_length_bx = 2.0*(ncol_um2*cell_radius+cell_radius/2.)+0.025+0.7;
915
916 sm_length_ay = 2.0*(((cell_radius/root3_2)*nrow_um1)-(cell_radius*root3*(nrow_um1-1)/6.))+0.025+0.7;
917 sm_length_by = 3.0*(((cell_radius/root3_2)*nrow_um2)-(cell_radius*root3*(nrow_um2-1)/6.))+(2.0*0.025)+0.7;
918 //
919 boundary=0.7;
920 //
921 th_base=0.3;
922 th_air=0.1;
923 th_pcb=0.16;
924 //
925 sm_thick = th_base + th_air + th_pcb + cell_depth + th_pcb + th_air + th_pcb;
926 //
927 th_lead=1.5;
928 th_steel=0.5;
929
c7113aab 930 zdist1 = 361.5;
ef61784c 931
b1952773 932}