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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 | **************************************************************************/ | |
dee197d3 | 15 | |
88cb7938 | 16 | /* $Id$ */ |
c4561145 | 17 | |
18 | // | |
19 | /////////////////////////////////////////////////////////////////////////////// | |
20 | // // | |
21 | // Photon Multiplicity Detector Version 1 // | |
22 | // // | |
23 | //Begin_Html | |
24 | /* | |
25 | <img src="picts/AliPMDv0Class.gif"> | |
26 | */ | |
27 | //End_Html | |
28 | // // | |
29 | /////////////////////////////////////////////////////////////////////////////// | |
30 | //// | |
31 | ||
f7a1cc68 | 32 | #include <Riostream.h> |
dd6416aa | 33 | #include <TGeoManager.h> |
f7a1cc68 | 34 | #include <TGeoGlobalMagField.h> |
88cb7938 | 35 | #include <TVirtualMC.h> |
f7a1cc68 | 36 | |
c4561145 | 37 | #include "AliConst.h" |
38 | #include "AliMagF.h" | |
88cb7938 | 39 | #include "AliPMDv0.h" |
40 | #include "AliRun.h" | |
5d12ce38 | 41 | #include "AliMC.h" |
4951e003 | 42 | #include "AliLog.h" |
86bd0ac4 | 43 | |
44 | const Int_t AliPMDv0::fgkNcellHole = 24; // Hole dimension | |
45 | const Float_t AliPMDv0::fgkCellRadius = 0.25; // Radius of a hexagonal cell | |
46 | const Float_t AliPMDv0::fgkCellWall = 0.02; // Thickness of cell Wall | |
47 | const Float_t AliPMDv0::fgkCellDepth = 0.50; // Gas thickness | |
48 | const Float_t AliPMDv0::fgkBoundary = 0.7; // Thickness of Boundary wall | |
49 | const Float_t AliPMDv0::fgkThBase = 0.3; // Thickness of Base plate | |
50 | const Float_t AliPMDv0::fgkThAir = 0.1; // Thickness of Air | |
51 | const Float_t AliPMDv0::fgkThPCB = 0.16; // Thickness of PCB | |
52 | const Float_t AliPMDv0::fgkThLead = 1.5; // Thickness of Pb | |
53 | const Float_t AliPMDv0::fgkThSteel = 0.5; // Thickness of Steel | |
54 | const Float_t AliPMDv0::fgkZdist = 361.5; // z-position of the detector | |
55 | const Float_t AliPMDv0::fgkSqroot3 = 1.7320508;// Square Root of 3 | |
56 | const Float_t AliPMDv0::fgkSqroot3by2 = 0.8660254;// Square Root of 3 by 2 | |
57 | const Float_t AliPMDv0::fgkPi = 3.14159; // pi | |
c4561145 | 58 | |
59 | ClassImp(AliPMDv0) | |
60 | ||
86bd0ac4 | 61 | //_____________________________________________________________________________ |
a48edddd | 62 | AliPMDv0::AliPMDv0(): |
63 | fSMthick(0.), | |
64 | fSMLength(0.), | |
65 | fMedSens(0), | |
66 | fNcellSM(0) | |
c4561145 | 67 | { |
68 | // | |
69 | // Default constructor | |
70 | // | |
c4561145 | 71 | } |
72 | ||
73 | //_____________________________________________________________________________ | |
a48edddd | 74 | AliPMDv0::AliPMDv0(const char *name, const char *title): |
75 | AliPMD(name,title), | |
76 | fSMthick(0.), | |
77 | fSMLength(0.), | |
78 | fMedSens(0), | |
79 | fNcellSM(0) | |
c4561145 | 80 | { |
81 | // | |
82 | // Standard constructor | |
83 | // | |
c4561145 | 84 | } |
85 | ||
86 | //_____________________________________________________________________________ | |
87 | void AliPMDv0::CreateGeometry() | |
88 | { | |
89 | // | |
90 | // Create geometry for Photon Multiplicity Detector Version 3 : | |
91 | // April 2, 2001 | |
92 | // | |
93 | //Begin_Html | |
94 | /* | |
95 | <img src="picts/AliPMDv0.gif"> | |
96 | */ | |
97 | //End_Html | |
98 | //Begin_Html | |
99 | /* | |
100 | <img src="picts/AliPMDv0Tree.gif"> | |
101 | */ | |
102 | //End_Html | |
103 | GetParameters(); | |
104 | CreateSupermodule(); | |
105 | CreatePMD(); | |
106 | } | |
107 | ||
108 | //_____________________________________________________________________________ | |
109 | void AliPMDv0::CreateSupermodule() | |
110 | { | |
111 | // | |
112 | // Creates the geometry of the cells, places them in supermodule which | |
113 | // is a rhombus object. | |
114 | ||
115 | // *** DEFINITION OF THE GEOMETRY OF THE PMD *** | |
116 | // *** HEXAGONAL CELLS WITH CELL RADIUS 0.25 cm (see "GetParameters") | |
117 | // -- Author : S. Chattopadhyay, 02/04/1999. | |
118 | ||
119 | // Basic unit is ECAR, a hexagonal cell made of Ar+CO2, which is placed inside another | |
120 | // hexagonal cell made of Cu (ECCU) with larger radius, compared to ECAR. The difference | |
121 | // in radius gives the dimension of half width of each cell wall. | |
122 | // These cells are placed as 72 x 72 array in a | |
123 | // rhombus shaped supermodule (EHC1). The rhombus shaped modules are designed | |
124 | // to have closed packed structure. | |
125 | // | |
126 | // Each supermodule (ESMA, ESMB), made of G10 is filled with following components | |
127 | // EAIR --> Air gap between gas hexagonal cells and G10 backing. | |
128 | // EHC1 --> Rhombus shaped parallelopiped containing the hexagonal cells | |
129 | // EAIR --> Air gap between gas hexagonal cells and G10 backing. | |
130 | // | |
131 | // ESMA, ESMB are placed in EMM1 along with EMPB (Pb converter) | |
132 | // and EMFE (iron support) | |
133 | ||
134 | // EMM1 made of | |
135 | // ESMB --> Normal supermodule, mirror image of ESMA | |
136 | // EMPB --> Pb converter | |
137 | // EMFE --> Fe backing | |
138 | // ESMA --> Normal supermodule | |
139 | // | |
140 | // ESMX, ESMY are placed in EMM2 along with EMPB (Pb converter) | |
141 | // and EMFE (iron support) | |
142 | ||
143 | // EMM2 made of | |
144 | // ESMY --> Special supermodule, mirror image of ESMX, | |
145 | // EMPB --> Pb converter | |
146 | // EMFE --> Fe backing | |
147 | // ESMX --> First of the two Special supermodules near the hole | |
148 | ||
149 | // EMM3 made of | |
150 | // ESMQ --> Special supermodule, mirror image of ESMX, | |
151 | // EMPB --> Pb converter | |
152 | // EMFE --> Fe backing | |
153 | // ESMP --> Second of the two Special supermodules near the hole | |
154 | ||
155 | // EMM2 and EMM3 are used to create the hexagonal HOLE | |
156 | ||
157 | // | |
158 | // EPMD | |
159 | // | | |
160 | // | | |
161 | // --------------------------------------------------------------------------- | |
162 | // | | | | | | |
163 | // EHOL EMM1 EMM2 EMM3 EALM | |
164 | // | | | | |
165 | // -------------------- -------------------- -------------------- | |
166 | // | | | | | | | | | | | | | |
167 | // ESMB EMPB EMFE ESMA ESMY EMPB EMFE ESMX ESMQ EMPB EMFE ESMP | |
168 | // | | | | |
169 | // ------------ ------------ ------------- | |
170 | // | | | | | | | | | | |
171 | // EAIR EHC1 EAIR EAIR EHC2 EAIR EAIR EHC3 EAIR | |
172 | // | | | | |
173 | // ECCU ECCU ECCU | |
174 | // | | | | |
175 | // ECAR ECAR ECAR | |
176 | ||
177 | ||
178 | Int_t i, j; | |
179 | Float_t xb, yb, zb; | |
180 | Int_t number; | |
181 | Int_t ihrotm,irotdm; | |
c4561145 | 182 | Int_t *idtmed = fIdtmed->GetArray()-599; |
183 | ||
184 | AliMatrix(ihrotm, 90., 30., 90., 120., 0., 0.); | |
185 | AliMatrix(irotdm, 90., 180., 90., 270., 180., 0.); | |
186 | ||
c4561145 | 187 | //Subhasis, dimensional parameters of rhombus (dpara) as given to gsvolu |
188 | // rhombus to accomodate 72 x 72 hexagons, and with total 1.2cm extension | |
189 | //(1mm tolerance on both side and 5mm thick G10 wall) | |
190 | // | |
c4561145 | 191 | // **** CELL SIZE 20 mm^2 EQUIVALENT |
c4561145 | 192 | // Inner hexagon filled with gas (Ar+CO2) |
193 | ||
194 | Float_t hexd2[10] = {0.,360.,6,2,-0.25,0.,0.23,0.25,0.,0.23}; | |
195 | ||
86bd0ac4 | 196 | hexd2[4]= -fgkCellDepth/2.; |
197 | hexd2[7]= fgkCellDepth/2.; | |
198 | hexd2[6]= fgkCellRadius - fgkCellWall; | |
199 | hexd2[9]= fgkCellRadius - fgkCellWall; | |
c4561145 | 200 | |
86bd0ac4 | 201 | // Gas replaced by vacuum for v0(insensitive) version of PMD. |
c4561145 | 202 | |
203 | gMC->Gsvolu("ECAR", "PGON", idtmed[697], hexd2,10); | |
dd6416aa | 204 | gGeoManager->SetVolumeAttribute("ECAR", "SEEN", 0); |
86bd0ac4 | 205 | |
c4561145 | 206 | // Outer hexagon made of Copper |
86bd0ac4 | 207 | |
c4561145 | 208 | Float_t hexd1[10] = {0.,360.,6,2,-0.25,0.,0.25,0.25,0.,0.25}; |
c4561145 | 209 | |
86bd0ac4 | 210 | hexd1[4]= -fgkCellDepth/2.; |
211 | hexd1[7]= fgkCellDepth/2.; | |
212 | hexd1[6]= fgkCellRadius; | |
213 | hexd1[9]= fgkCellRadius; | |
c4561145 | 214 | |
215 | gMC->Gsvolu("ECCU", "PGON", idtmed[614], hexd1,10); | |
dd6416aa | 216 | gGeoManager->SetVolumeAttribute("ECCU", "SEEN", 1); |
c4561145 | 217 | |
218 | // --- place inner hex inside outer hex | |
219 | ||
ef61784c | 220 | gMC->Gspos("ECAR", 1, "ECCU", 0., 0., 0., 0, "ONLY"); |
c4561145 | 221 | |
86bd0ac4 | 222 | // Rhombus shaped supermodules (defined by PARA) |
223 | ||
224 | // volume for SUPERMODULE | |
c4561145 | 225 | |
86bd0ac4 | 226 | Float_t dparasm1[6] = {12.5,12.5,0.8,30.,0.,0.}; |
227 | dparasm1[0] = (fNcellSM+0.25)*hexd1[6] ; | |
228 | dparasm1[1] = dparasm1[0] *fgkSqroot3by2; | |
229 | dparasm1[2] = fSMthick/2.; | |
230 | ||
231 | // | |
232 | gMC->Gsvolu("ESMA","PARA", idtmed[607], dparasm1, 6); | |
dd6416aa | 233 | gGeoManager->SetVolumeAttribute("ESMA", "SEEN", 0); |
c4561145 | 234 | // |
86bd0ac4 | 235 | gMC->Gsvolu("ESMB","PARA", idtmed[607], dparasm1, 6); |
dd6416aa | 236 | gGeoManager->SetVolumeAttribute("ESMB", "SEEN", 0); |
86bd0ac4 | 237 | |
c4561145 | 238 | // Air residing between the PCB and the base |
86bd0ac4 | 239 | |
240 | Float_t dparaair[6] = {12.5,12.5,8.,30.,0.,0.}; | |
241 | dparaair[0]= dparasm1[0]; | |
242 | dparaair[1]= dparasm1[1]; | |
243 | dparaair[2]= fgkThAir/2.; | |
244 | ||
245 | gMC->Gsvolu("EAIR","PARA", idtmed[698], dparaair, 6); | |
dd6416aa | 246 | gGeoManager->SetVolumeAttribute("EAIR", "SEEN", 0); |
86bd0ac4 | 247 | |
c4561145 | 248 | // volume for honeycomb chamber EHC1 |
86bd0ac4 | 249 | |
c4561145 | 250 | Float_t dpara1[6] = {12.5,12.5,0.4,30.,0.,0.}; |
86bd0ac4 | 251 | dpara1[0] = dparasm1[0]; |
252 | dpara1[1] = dparasm1[1]; | |
253 | dpara1[2] = fgkCellDepth/2.; | |
c4561145 | 254 | |
255 | gMC->Gsvolu("EHC1","PARA", idtmed[698], dpara1, 6); | |
dd6416aa | 256 | gGeoManager->SetVolumeAttribute("EHC1", "SEEN", 1); |
c4561145 | 257 | |
c4561145 | 258 | // Place hexagonal cells ECCU cells inside EHC1 (72 X 72) |
259 | ||
86bd0ac4 | 260 | Int_t xrow = 1; |
c4561145 | 261 | |
86bd0ac4 | 262 | yb = -dpara1[1] + (1./fgkSqroot3by2)*hexd1[6]; |
c4561145 | 263 | zb = 0.; |
264 | ||
86bd0ac4 | 265 | for (j = 1; j <= fNcellSM; ++j) { |
c4561145 | 266 | xb =-(dpara1[0] + dpara1[1]*0.577) + 2*hexd1[6]; //0.577=tan(30deg) |
267 | if(xrow >= 2){ | |
268 | xb = xb+(xrow-1)*hexd1[6]; | |
269 | } | |
86bd0ac4 | 270 | for (i = 1; i <= fNcellSM; ++i) { |
271 | number = i+(j-1)*fNcellSM; | |
ef61784c | 272 | gMC->Gspos("ECCU", number, "EHC1", xb,yb,zb, ihrotm, "ONLY"); |
c4561145 | 273 | xb += (hexd1[6]*2.); |
274 | } | |
275 | xrow = xrow+1; | |
86bd0ac4 | 276 | yb += (hexd1[6]*fgkSqroot3); |
c4561145 | 277 | } |
278 | ||
279 | ||
280 | // Place EHC1 and EAIR into ESMA and ESMB | |
281 | ||
86bd0ac4 | 282 | Float_t zAir1,zAir2,zGas; |
c4561145 | 283 | |
284 | //ESMA is normal supermodule with base at bottom, with EHC1 | |
86bd0ac4 | 285 | zAir1= -dparasm1[2] + fgkThBase + dparaair[2]; |
286 | gMC->Gspos("EAIR", 1, "ESMA", 0., 0., zAir1, 0, "ONLY"); | |
287 | zGas=zAir1+dparaair[2]+ fgkThPCB + dpara1[2]; | |
76ad67b5 | 288 | //Line below Commented for version 0 of PMD routine |
86bd0ac4 | 289 | // gMC->Gspos("EHC1", 1, "ESMA", 0., 0., zGas, 0, "ONLY"); |
290 | zAir2=zGas+dpara1[2]+ fgkThPCB + dparaair[2]; | |
291 | gMC->Gspos("EAIR", 2, "ESMA", 0., 0., zAir2, 0, "ONLY"); | |
c4561145 | 292 | |
293 | // ESMB is mirror image of ESMA, with base at top, with EHC1 | |
294 | ||
86bd0ac4 | 295 | zAir1= -dparasm1[2] + fgkThPCB + dparaair[2]; |
296 | gMC->Gspos("EAIR", 3, "ESMB", 0., 0., zAir1, 0, "ONLY"); | |
297 | zGas=zAir1+dparaair[2]+ fgkThPCB + dpara1[2]; | |
76ad67b5 | 298 | //Line below Commented for version 0 of PMD routine |
86bd0ac4 | 299 | // gMC->Gspos("EHC1", 2, "ESMB", 0., 0., zGas, 0, "ONLY"); |
300 | zAir2=zGas+dpara1[2]+ fgkThPCB + dparaair[2]; | |
301 | gMC->Gspos("EAIR", 4, "ESMB", 0., 0., zAir2, 0, "ONLY"); | |
c4561145 | 302 | |
c4561145 | 303 | |
86bd0ac4 | 304 | // special supermodule EMM2(GEANT only) containing 6 unit modules |
305 | // volume for SUPERMODULE | |
c4561145 | 306 | |
86bd0ac4 | 307 | Float_t dparasm2[6] = {12.5,12.5,0.8,30.,0.,0.}; |
308 | dparasm2[0]=(fNcellSM+0.25)*hexd1[6] ; | |
309 | dparasm2[1] = (fNcellSM - fgkNcellHole + 0.25) * fgkSqroot3by2 * hexd1[6]; | |
310 | dparasm2[2] = fSMthick/2.; | |
c4561145 | 311 | |
86bd0ac4 | 312 | gMC->Gsvolu("ESMX","PARA", idtmed[607], dparasm2, 6); |
dd6416aa | 313 | gGeoManager->SetVolumeAttribute("ESMX", "SEEN", 0); |
c4561145 | 314 | // |
86bd0ac4 | 315 | gMC->Gsvolu("ESMY","PARA", idtmed[607], dparasm2, 6); |
dd6416aa | 316 | gGeoManager->SetVolumeAttribute("ESMY", "SEEN", 0); |
c4561145 | 317 | |
318 | Float_t dpara2[6] = {12.5,12.5,0.4,30.,0.,0.}; | |
86bd0ac4 | 319 | dpara2[0] = dparasm2[0]; |
320 | dpara2[1] = dparasm2[1]; | |
321 | dpara2[2] = fgkCellDepth/2.; | |
c4561145 | 322 | |
323 | gMC->Gsvolu("EHC2","PARA", idtmed[698], dpara2, 6); | |
dd6416aa | 324 | gGeoManager->SetVolumeAttribute("EHC2", "SEEN", 1); |
c4561145 | 325 | |
326 | ||
327 | // Air residing between the PCB and the base | |
328 | ||
86bd0ac4 | 329 | Float_t dpara2Air[6] = {12.5,12.5,8.,30.,0.,0.}; |
330 | dpara2Air[0]= dparasm2[0]; | |
331 | dpara2Air[1]= dparasm2[1]; | |
332 | dpara2Air[2]= fgkThAir/2.; | |
c4561145 | 333 | |
86bd0ac4 | 334 | gMC->Gsvolu("EAIX","PARA", idtmed[698], dpara2Air, 6); |
dd6416aa | 335 | gGeoManager->SetVolumeAttribute("EAIX", "SEEN", 0); |
c4561145 | 336 | |
337 | // Place hexagonal single cells ECCU inside EHC2 | |
338 | // skip cells which go into the hole in top left corner. | |
339 | ||
340 | xrow=1; | |
86bd0ac4 | 341 | yb = -dpara2[1] + (1./fgkSqroot3by2)*hexd1[6]; |
c4561145 | 342 | zb = 0.; |
86bd0ac4 | 343 | for (j = 1; j <= (fNcellSM - fgkNcellHole); ++j) { |
c4561145 | 344 | xb =-(dpara2[0] + dpara2[1]*0.577) + 2*hexd1[6]; |
345 | if(xrow >= 2){ | |
346 | xb = xb+(xrow-1)*hexd1[6]; | |
347 | } | |
86bd0ac4 | 348 | for (i = 1; i <= fNcellSM; ++i) { |
349 | number = i+(j-1)*fNcellSM; | |
ef61784c | 350 | gMC->Gspos("ECCU", number, "EHC2", xb,yb,zb, ihrotm, "ONLY"); |
c4561145 | 351 | xb += (hexd1[6]*2.); |
352 | } | |
353 | xrow = xrow+1; | |
86bd0ac4 | 354 | yb += (hexd1[6]*fgkSqroot3); |
c4561145 | 355 | } |
356 | ||
357 | ||
358 | // ESMX is normal supermodule with base at bottom, with EHC2 | |
359 | ||
86bd0ac4 | 360 | zAir1= -dparasm2[2] + fgkThBase + dpara2Air[2]; |
361 | gMC->Gspos("EAIX", 1, "ESMX", 0., 0., zAir1, 0, "ONLY"); | |
362 | zGas=zAir1+dpara2Air[2]+ fgkThPCB + dpara2[2]; | |
76ad67b5 | 363 | //Line below Commented for version 0 of PMD routine |
86bd0ac4 | 364 | // gMC->Gspos("EHC2", 1, "ESMX", 0., 0., zGas, 0, "ONLY"); |
365 | zAir2=zGas+dpara2[2]+ fgkThPCB + dpara2Air[2]; | |
366 | gMC->Gspos("EAIX", 2, "ESMX", 0., 0., zAir2, 0, "ONLY"); | |
c4561145 | 367 | |
368 | // ESMY is mirror image of ESMX with base at bottom, with EHC2 | |
369 | ||
86bd0ac4 | 370 | zAir1= -dparasm2[2] + fgkThPCB + dpara2Air[2]; |
371 | gMC->Gspos("EAIX", 3, "ESMY", 0., 0., zAir1, 0, "ONLY"); | |
372 | zGas=zAir1+dpara2Air[2]+ fgkThPCB + dpara2[2]; | |
76ad67b5 | 373 | //Line below Commented for version 0 of PMD routine |
86bd0ac4 | 374 | // gMC->Gspos("EHC2", 2, "ESMY", 0., 0., zGas, 0, "ONLY"); |
375 | zAir2=zGas+dpara2[2]+ fgkThPCB + dpara2Air[2]; | |
376 | gMC->Gspos("EAIX", 4, "ESMY", 0., 0., zAir2, 0, "ONLY"); | |
c4561145 | 377 | |
86bd0ac4 | 378 | // |
379 | // special supermodule EMM3 (GEANT only) containing 2 unit modules | |
380 | // volume for SUPERMODULE | |
381 | // | |
382 | Float_t dparaSM3[6] = {12.5,12.5,0.8,30.,0.,0.}; | |
383 | dparaSM3[0]=(fNcellSM - fgkNcellHole +0.25)*hexd1[6] ; | |
384 | dparaSM3[1] = (fgkNcellHole + 0.25) * hexd1[6] * fgkSqroot3by2; | |
385 | dparaSM3[2] = fSMthick/2.; | |
c4561145 | 386 | |
86bd0ac4 | 387 | gMC->Gsvolu("ESMP","PARA", idtmed[607], dparaSM3, 6); |
dd6416aa | 388 | gGeoManager->SetVolumeAttribute("ESMP", "SEEN", 0); |
c4561145 | 389 | // |
86bd0ac4 | 390 | gMC->Gsvolu("ESMQ","PARA", idtmed[607], dparaSM3, 6); |
dd6416aa | 391 | gGeoManager->SetVolumeAttribute("ESMQ", "SEEN", 0); |
c4561145 | 392 | |
393 | Float_t dpara3[6] = {12.5,12.5,0.4,30.,0.,0.}; | |
86bd0ac4 | 394 | dpara3[0] = dparaSM3[0]; |
395 | dpara3[1] = dparaSM3[1]; | |
396 | dpara3[2] = fgkCellDepth/2.; | |
c4561145 | 397 | |
398 | gMC->Gsvolu("EHC3","PARA", idtmed[698], dpara3, 6); | |
dd6416aa | 399 | gGeoManager->SetVolumeAttribute("EHC3", "SEEN", 1); |
c4561145 | 400 | |
c4561145 | 401 | // Air residing between the PCB and the base |
402 | ||
86bd0ac4 | 403 | Float_t dpara3Air[6] = {12.5,12.5,8.,30.,0.,0.}; |
404 | dpara3Air[0]= dparaSM3[0]; | |
405 | dpara3Air[1]= dparaSM3[1]; | |
406 | dpara3Air[2]= fgkThAir/2.; | |
c4561145 | 407 | |
86bd0ac4 | 408 | gMC->Gsvolu("EAIP","PARA", idtmed[698], dpara3Air, 6); |
dd6416aa | 409 | gGeoManager->SetVolumeAttribute("EAIP", "SEEN", 0); |
c4561145 | 410 | |
411 | ||
412 | // Place hexagonal single cells ECCU inside EHC3 | |
413 | // skip cells which go into the hole in top left corner. | |
414 | ||
415 | xrow=1; | |
86bd0ac4 | 416 | yb = -dpara3[1] + (1./fgkSqroot3by2)*hexd1[6]; |
c4561145 | 417 | zb = 0.; |
86bd0ac4 | 418 | for (j = 1; j <= fgkNcellHole; ++j) { |
c4561145 | 419 | xb =-(dpara3[0] + dpara3[1]*0.577) + 2*hexd1[6]; |
420 | if(xrow >= 2){ | |
421 | xb = xb+(xrow-1)*hexd1[6]; | |
422 | } | |
86bd0ac4 | 423 | for (i = 1; i <= (fNcellSM - fgkNcellHole); ++i) { |
424 | number = i+(j-1)*(fNcellSM - fgkNcellHole); | |
ef61784c | 425 | gMC->Gspos("ECCU", number, "EHC3", xb,yb,zb, ihrotm, "ONLY"); |
c4561145 | 426 | xb += (hexd1[6]*2.); |
427 | } | |
428 | xrow = xrow+1; | |
86bd0ac4 | 429 | yb += (hexd1[6]*fgkSqroot3); |
c4561145 | 430 | } |
431 | ||
432 | // ESMP is normal supermodule with base at bottom, with EHC3 | |
433 | ||
86bd0ac4 | 434 | zAir1= -dparaSM3[2] + fgkThBase + dpara3Air[2]; |
435 | gMC->Gspos("EAIP", 1, "ESMP", 0., 0., zAir1, 0, "ONLY"); | |
436 | zGas=zAir1+dpara3Air[2]+ fgkThPCB + dpara3[2]; | |
76ad67b5 | 437 | //Line below Commented for version 0 of PMD routine |
86bd0ac4 | 438 | // gMC->Gspos("EHC3", 1, "ESMP", 0., 0., zGas, 0, "ONLY"); |
439 | zAir2=zGas+dpara3[2]+ fgkThPCB + dpara3Air[2]; | |
440 | gMC->Gspos("EAIP", 2, "ESMP", 0., 0., zAir2, 0, "ONLY"); | |
441 | ||
c4561145 | 442 | // ESMQ is mirror image of ESMP with base at bottom, with EHC3 |
443 | ||
86bd0ac4 | 444 | zAir1= -dparaSM3[2] + fgkThPCB + dpara3Air[2]; |
445 | gMC->Gspos("EAIP", 3, "ESMQ", 0., 0., zAir1, 0, "ONLY"); | |
446 | zGas=zAir1+dpara3Air[2]+ fgkThPCB + dpara3[2]; | |
76ad67b5 | 447 | //Line below Commented for version 0 of PMD routine |
86bd0ac4 | 448 | // gMC->Gspos("EHC3", 2, "ESMQ", 0., 0., zGas, 0, "ONLY"); |
449 | zAir2=zGas+dpara3[2]+ fgkThPCB + dpara3Air[2]; | |
450 | gMC->Gspos("EAIP", 4, "ESMQ", 0., 0., zAir2, 0, "ONLY"); | |
451 | ||
c4561145 | 452 | } |
86bd0ac4 | 453 | |
c4561145 | 454 | //_____________________________________________________________________________ |
455 | ||
456 | void AliPMDv0::CreatePMD() | |
457 | { | |
458 | // | |
459 | // Create final detector from supermodules | |
460 | // | |
461 | // -- Author : Y.P. VIYOGI, 07/05/1996. | |
462 | // -- Modified: P.V.K.S.Baba(JU), 15-12-97. | |
463 | // -- Modified: For New Geometry YPV, March 2001. | |
464 | ||
c4561145 | 465 | Float_t xp, yp, zp; |
86bd0ac4 | 466 | Int_t i,j; |
467 | Int_t nummod; | |
c4561145 | 468 | Int_t jhrot12,jhrot13, irotdm; |
c4561145 | 469 | Int_t *idtmed = fIdtmed->GetArray()-599; |
470 | ||
471 | // VOLUMES Names : begining with "E" for all PMD volumes, | |
472 | // The names of SIZE variables begin with S and have more meaningful | |
473 | // characters as shown below. | |
c4561145 | 474 | // VOLUME SIZE MEDIUM : REMARKS |
475 | // ------ ----- ------ : --------------------------- | |
c4561145 | 476 | // EPMD GASPMD AIR : INSIDE PMD and its SIZE |
c4561145 | 477 | // *** Define the EPMD Volume and fill with air *** |
c4561145 | 478 | // Gaspmd, the dimension of HEXAGONAL mother volume of PMD, |
479 | ||
480 | ||
481 | Float_t gaspmd[10] = {0.,360.,6,2,-4.,12.,150.,4.,12.,150.}; | |
482 | ||
86bd0ac4 | 483 | gaspmd[5] = fgkNcellHole * fgkCellRadius * 2. * fgkSqroot3by2; |
c4561145 | 484 | gaspmd[8] = gaspmd[5]; |
485 | ||
486 | gMC->Gsvolu("EPMD", "PGON", idtmed[698], gaspmd, 10); | |
dd6416aa | 487 | gGeoManager->SetVolumeAttribute("EPMD", "SEEN", 0); |
c4561145 | 488 | |
489 | AliMatrix(irotdm, 90., 0., 90., 90., 180., 0.); | |
490 | ||
491 | AliMatrix(jhrot12, 90., 120., 90., 210., 0., 0.); | |
492 | AliMatrix(jhrot13, 90., 240., 90., 330., 0., 0.); | |
493 | ||
494 | ||
86bd0ac4 | 495 | Float_t dmthick = 2. * fSMthick + fgkThLead + fgkThSteel; |
c4561145 | 496 | |
86bd0ac4 | 497 | // dparaemm1 array contains parameters of the imaginary volume EMM1, |
c4561145 | 498 | // EMM1 is a master module of type 1, which has 24 copies in the PMD. |
499 | // EMM1 : normal volume as in old cases | |
500 | ||
501 | ||
86bd0ac4 | 502 | Float_t dparaemm1[6] = {12.5,12.5,0.8,30.,0.,0.}; |
503 | dparaemm1[0] = fSMLength/2.; | |
504 | dparaemm1[1] = dparaemm1[0] *fgkSqroot3by2; | |
505 | dparaemm1[2] = dmthick/2.; | |
c4561145 | 506 | |
86bd0ac4 | 507 | gMC->Gsvolu("EMM1","PARA", idtmed[698], dparaemm1, 6); |
dd6416aa | 508 | gGeoManager->SetVolumeAttribute("EMM1", "SEEN", 1); |
c4561145 | 509 | |
510 | // | |
511 | // --- DEFINE Modules, iron, and lead volumes | |
c4561145 | 512 | // Pb Convertor for EMM1 |
c4561145 | 513 | |
86bd0ac4 | 514 | Float_t dparapb1[6] = {12.5,12.5,8.,30.,0.,0.}; |
515 | dparapb1[0] = fSMLength/2.; | |
516 | dparapb1[1] = dparapb1[0] * fgkSqroot3by2; | |
517 | dparapb1[2] = fgkThLead/2.; | |
518 | ||
519 | gMC->Gsvolu("EPB1","PARA", idtmed[600], dparapb1, 6); | |
dd6416aa | 520 | gGeoManager->SetVolumeAttribute ("EPB1", "SEEN", 0); |
c4561145 | 521 | |
522 | // Fe Support for EMM1 | |
86bd0ac4 | 523 | Float_t dparafe1[6] = {12.5,12.5,8.,30.,0.,0.}; |
524 | dparafe1[0] = dparapb1[0]; | |
525 | dparafe1[1] = dparapb1[1]; | |
526 | dparafe1[2] = fgkThSteel/2.; | |
c4561145 | 527 | |
86bd0ac4 | 528 | gMC->Gsvolu("EFE1","PARA", idtmed[618], dparafe1, 6); |
dd6416aa | 529 | gGeoManager->SetVolumeAttribute ("EFE1", "SEEN", 0); |
c4561145 | 530 | |
c4561145 | 531 | // |
532 | // position supermodule ESMA, ESMB, EPB1, EFE1 inside EMM1 | |
533 | ||
86bd0ac4 | 534 | Float_t zps,zpb,zfe,zcv; |
c4561145 | 535 | |
86bd0ac4 | 536 | zps = -dparaemm1[2] + fSMthick/2.; |
537 | gMC->Gspos("ESMB", 1, "EMM1", 0., 0., zps, 0, "ONLY"); | |
538 | zpb = zps+fSMthick/2.+dparapb1[2]; | |
539 | gMC->Gspos("EPB1", 1, "EMM1", 0., 0., zpb, 0, "ONLY"); | |
540 | zfe = zpb+dparapb1[2]+dparafe1[2]; | |
541 | gMC->Gspos("EFE1", 1, "EMM1", 0., 0., zfe, 0, "ONLY"); | |
542 | zcv = zfe+dparafe1[2]+fSMthick/2.; | |
543 | gMC->Gspos("ESMA", 1, "EMM1", 0., 0., zcv, 0, "ONLY"); | |
c4561145 | 544 | |
545 | // EMM2 : special master module having full row of cells but the number | |
546 | // of rows limited by hole. | |
547 | ||
86bd0ac4 | 548 | Float_t dparaemm2[6] = {12.5,12.5,0.8,30.,0.,0.}; |
549 | dparaemm2[0] = fSMLength/2.; | |
550 | dparaemm2[1] = (fNcellSM - fgkNcellHole + 0.25)*fgkCellRadius*fgkSqroot3by2; | |
551 | dparaemm2[2] = dmthick/2.; | |
c4561145 | 552 | |
86bd0ac4 | 553 | gMC->Gsvolu("EMM2","PARA", idtmed[698], dparaemm2, 6); |
dd6416aa | 554 | gGeoManager->SetVolumeAttribute("EMM2", "SEEN", 1); |
c4561145 | 555 | |
c4561145 | 556 | // Pb Convertor for EMM2 |
86bd0ac4 | 557 | Float_t dparapb2[6] = {12.5,12.5,8.,30.,0.,0.}; |
558 | dparapb2[0] = dparaemm2[0]; | |
559 | dparapb2[1] = dparaemm2[1]; | |
560 | dparapb2[2] = fgkThLead/2.; | |
c4561145 | 561 | |
86bd0ac4 | 562 | gMC->Gsvolu("EPB2","PARA", idtmed[600], dparapb2, 6); |
dd6416aa | 563 | gGeoManager->SetVolumeAttribute ("EPB2", "SEEN", 0); |
c4561145 | 564 | |
565 | // Fe Support for EMM2 | |
86bd0ac4 | 566 | Float_t dparafe2[6] = {12.5,12.5,8.,30.,0.,0.}; |
567 | dparafe2[0] = dparapb2[0]; | |
568 | dparafe2[1] = dparapb2[1]; | |
569 | dparafe2[2] = fgkThSteel/2.; | |
c4561145 | 570 | |
86bd0ac4 | 571 | gMC->Gsvolu("EFE2","PARA", idtmed[618], dparafe2, 6); |
dd6416aa | 572 | gGeoManager->SetVolumeAttribute ("EFE2", "SEEN", 0); |
c4561145 | 573 | |
c4561145 | 574 | // position supermodule ESMX, ESMY inside EMM2 |
575 | ||
86bd0ac4 | 576 | zps = -dparaemm2[2] + fSMthick/2.; |
577 | gMC->Gspos("ESMY", 1, "EMM2", 0., 0., zps, 0, "ONLY"); | |
578 | zpb = zps + fSMthick/2.+dparapb2[2]; | |
579 | gMC->Gspos("EPB2", 1, "EMM2", 0., 0., zpb, 0, "ONLY"); | |
580 | zfe = zpb + dparapb2[2]+dparafe2[2]; | |
581 | gMC->Gspos("EFE2", 1, "EMM2", 0., 0., zfe, 0, "ONLY"); | |
582 | zcv = zfe + dparafe2[2]+fSMthick/2.; | |
583 | gMC->Gspos("ESMX", 1, "EMM2", 0., 0., zcv, 0, "ONLY"); | |
c4561145 | 584 | // |
c4561145 | 585 | // EMM3 : special master module having truncated rows and columns of cells |
586 | // limited by hole. | |
587 | ||
86bd0ac4 | 588 | Float_t dparaemm3[6] = {12.5,12.5,0.8,30.,0.,0.}; |
589 | dparaemm3[0] = dparaemm2[1]/fgkSqroot3by2; | |
590 | dparaemm3[1] = (fgkNcellHole + 0.25) * fgkCellRadius *fgkSqroot3by2; | |
591 | dparaemm3[2] = dmthick/2.; | |
c4561145 | 592 | |
86bd0ac4 | 593 | gMC->Gsvolu("EMM3","PARA", idtmed[698], dparaemm3, 6); |
dd6416aa | 594 | gGeoManager->SetVolumeAttribute("EMM3", "SEEN", 1); |
c4561145 | 595 | |
c4561145 | 596 | // Pb Convertor for EMM3 |
86bd0ac4 | 597 | Float_t dparapb3[6] = {12.5,12.5,8.,30.,0.,0.}; |
598 | dparapb3[0] = dparaemm3[0]; | |
599 | dparapb3[1] = dparaemm3[1]; | |
600 | dparapb3[2] = fgkThLead/2.; | |
c4561145 | 601 | |
86bd0ac4 | 602 | gMC->Gsvolu("EPB3","PARA", idtmed[600], dparapb3, 6); |
dd6416aa | 603 | gGeoManager->SetVolumeAttribute ("EPB3", "SEEN", 0); |
c4561145 | 604 | |
605 | // Fe Support for EMM3 | |
86bd0ac4 | 606 | Float_t dparafe3[6] = {12.5,12.5,8.,30.,0.,0.}; |
607 | dparafe3[0] = dparapb3[0]; | |
608 | dparafe3[1] = dparapb3[1]; | |
609 | dparafe3[2] = fgkThSteel/2.; | |
c4561145 | 610 | |
86bd0ac4 | 611 | gMC->Gsvolu("EFE3","PARA", idtmed[618], dparafe3, 6); |
dd6416aa | 612 | gGeoManager->SetVolumeAttribute ("EFE3", "SEEN", 0); |
c4561145 | 613 | |
c4561145 | 614 | // position supermodule ESMP, ESMQ inside EMM3 |
615 | ||
86bd0ac4 | 616 | zps = -dparaemm3[2] + fSMthick/2.; |
617 | gMC->Gspos("ESMQ", 1, "EMM3", 0., 0., zps, 0, "ONLY"); | |
618 | zpb = zps + fSMthick/2.+dparapb3[2]; | |
619 | gMC->Gspos("EPB3", 1, "EMM3", 0., 0., zpb, 0, "ONLY"); | |
620 | zfe = zpb + dparapb3[2]+dparafe3[2]; | |
621 | gMC->Gspos("EFE3", 1, "EMM3", 0., 0., zfe, 0, "ONLY"); | |
622 | zcv = zfe + dparafe3[2] + fSMthick/2.; | |
623 | gMC->Gspos("ESMP", 1, "EMM3", 0., 0., zcv, 0, "ONLY"); | |
c4561145 | 624 | // |
625 | ||
626 | // EHOL is a tube structure made of air | |
627 | // | |
628 | //Float_t d_hole[3]; | |
629 | //d_hole[0] = 0.; | |
86bd0ac4 | 630 | //d_hole[1] = fgkNcellHole * fgkCellRadius *2. * fgkSqroot3by2 + boundary; |
631 | //d_hole[2] = dmthick/2.; | |
c4561145 | 632 | // |
633 | //gMC->Gsvolu("EHOL", "TUBE", idtmed[698], d_hole, 3); | |
dd6416aa | 634 | //gGeoManager->SetVolumeAttribute("EHOL", "SEEN", 1); |
c4561145 | 635 | |
636 | //Al-rod as boundary of the supermodules | |
637 | ||
86bd0ac4 | 638 | Float_t alRod[3] ; |
639 | alRod[0] = fSMLength * 3/2. - gaspmd[5]/2 - fgkBoundary ; | |
640 | alRod[1] = fgkBoundary; | |
641 | alRod[2] = dmthick/2.; | |
c4561145 | 642 | |
86bd0ac4 | 643 | gMC->Gsvolu("EALM","BOX ", idtmed[698], alRod, 3); |
dd6416aa | 644 | gGeoManager->SetVolumeAttribute ("EALM", "SEEN", 1); |
c4561145 | 645 | Float_t xalm[3]; |
86bd0ac4 | 646 | xalm[0]=alRod[0] + gaspmd[5] + 3.0*fgkBoundary; |
c4561145 | 647 | xalm[1]=-xalm[0]/2.; |
648 | xalm[2]=xalm[1]; | |
649 | ||
650 | Float_t yalm[3]; | |
651 | yalm[0]=0.; | |
86bd0ac4 | 652 | yalm[1]=xalm[0]*fgkSqroot3by2; |
c4561145 | 653 | yalm[2]=-yalm[1]; |
654 | ||
655 | // delx = full side of the supermodule | |
86bd0ac4 | 656 | Float_t delx=fSMLength * 3.; |
657 | Float_t x1= delx*fgkSqroot3by2 /2.; | |
c4561145 | 658 | Float_t x4=delx/4.; |
659 | ||
c4561145 | 660 | // placing master modules and Al-rod in PMD |
661 | ||
86bd0ac4 | 662 | Float_t dx = fSMLength; |
663 | Float_t dy = dx * fgkSqroot3by2; | |
c4561145 | 664 | Float_t xsup[9] = {-dx/2., dx/2., 3.*dx/2., |
665 | -dx, 0., dx, | |
666 | -3.*dx/2., -dx/2., dx/2.}; | |
667 | ||
668 | Float_t ysup[9] = {dy, dy, dy, | |
669 | 0., 0., 0., | |
670 | -dy, -dy, -dy}; | |
671 | ||
672 | // xpos and ypos are the x & y coordinates of the centres of EMM1 volumes | |
673 | ||
86bd0ac4 | 674 | Float_t xoff = fgkBoundary * TMath::Tan(fgkPi/6.); |
675 | Float_t xmod[3]={x4 + xoff , x4 + xoff, -2.*x4-fgkBoundary/fgkSqroot3by2}; | |
676 | Float_t ymod[3] = {-x1 - fgkBoundary, x1 + fgkBoundary, 0.}; | |
c4561145 | 677 | Float_t xpos[9], ypos[9], x2, y2, x3, y3; |
678 | ||
86bd0ac4 | 679 | Float_t xemm2 = fSMLength/2. - |
680 | (fNcellSM + fgkNcellHole + 0.25) * fgkCellRadius * 0.5 | |
c4561145 | 681 | + xoff; |
86bd0ac4 | 682 | Float_t yemm2 = -(fNcellSM + fgkNcellHole + 0.25)*fgkCellRadius*fgkSqroot3by2 |
683 | - fgkBoundary; | |
c4561145 | 684 | |
86bd0ac4 | 685 | Float_t xemm3 = (fNcellSM + 0.5 * fgkNcellHole + 0.25) * fgkCellRadius + |
686 | xoff; | |
687 | Float_t yemm3 = - (fgkNcellHole - 0.25) * fgkCellRadius * fgkSqroot3by2 - | |
688 | fgkBoundary; | |
c4561145 | 689 | |
86bd0ac4 | 690 | Float_t theta[3] = {0., 2.*fgkPi/3., 4.*fgkPi/3.}; |
c4561145 | 691 | Int_t irotate[3] = {0, jhrot12, jhrot13}; |
86bd0ac4 | 692 | |
693 | nummod=0; | |
ef61784c | 694 | for (j=0; j<3; ++j) { |
695 | gMC->Gspos("EALM", j+1, "EPMD", xalm[j],yalm[j], 0., irotate[j], "ONLY"); | |
696 | x2=xemm2*TMath::Cos(theta[j]) - yemm2*TMath::Sin(theta[j]); | |
697 | y2=xemm2*TMath::Sin(theta[j]) + yemm2*TMath::Cos(theta[j]); | |
c4561145 | 698 | |
ef61784c | 699 | gMC->Gspos("EMM2", j+1, "EPMD", x2,y2, 0., irotate[j], "ONLY"); |
c4561145 | 700 | |
ef61784c | 701 | x3=xemm3*TMath::Cos(theta[j]) - yemm3*TMath::Sin(theta[j]); |
702 | y3=xemm3*TMath::Sin(theta[j]) + yemm3*TMath::Cos(theta[j]); | |
c4561145 | 703 | |
ef61784c | 704 | gMC->Gspos("EMM3", j+4, "EPMD", x3,y3, 0., irotate[j], "ONLY"); |
c4561145 | 705 | |
ef61784c | 706 | for (i=1; i<9; ++i) { |
86bd0ac4 | 707 | xpos[i]=xmod[j] + xsup[i]*TMath::Cos(theta[j]) - |
708 | ysup[i]*TMath::Sin(theta[j]); | |
709 | ypos[i]=ymod[j] + xsup[i]*TMath::Sin(theta[j]) + | |
710 | ysup[i]*TMath::Cos(theta[j]); | |
4951e003 | 711 | |
712 | AliDebugClass(1,Form("xpos: %f, ypos: %f", xpos[i], ypos[i])); | |
86bd0ac4 | 713 | |
714 | nummod = nummod+1; | |
715 | ||
4951e003 | 716 | AliDebugClass(1,Form("nummod %d",nummod)); |
86bd0ac4 | 717 | |
718 | gMC->Gspos("EMM1", nummod + 6, "EPMD", xpos[i],ypos[i], 0., irotate[j], "ONLY"); | |
719 | ||
720 | } | |
ef61784c | 721 | } |
86bd0ac4 | 722 | |
723 | ||
c4561145 | 724 | // place EHOL in the centre of EPMD |
725 | // gMC->Gspos("EHOL", 1, "EPMD", 0.,0.,0., 0, "ONLY"); | |
86bd0ac4 | 726 | |
c4561145 | 727 | // --- Place the EPMD in ALICE |
728 | xp = 0.; | |
729 | yp = 0.; | |
86bd0ac4 | 730 | zp = fgkZdist; |
c4561145 | 731 | |
732 | gMC->Gspos("EPMD", 1, "ALIC", xp,yp,zp, 0, "ONLY"); | |
733 | ||
734 | } | |
735 | ||
736 | ||
c4561145 | 737 | //_____________________________________________________________________________ |
738 | void AliPMDv0::CreateMaterials() | |
739 | { | |
740 | // | |
741 | // Create materials for the PMD | |
742 | // | |
743 | // ORIGIN : Y. P. VIYOGI | |
744 | // | |
745 | ||
f017d70a | 746 | // cout << " Inside create materials " << endl; |
908ce7f5 | 747 | |
f7a1cc68 | 748 | Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ(); |
749 | Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max(); | |
c4561145 | 750 | |
751 | // --- Define the various materials for GEANT --- | |
f017d70a | 752 | |
c4561145 | 753 | AliMaterial(1, "Pb $", 207.19, 82., 11.35, .56, 18.5); |
f017d70a | 754 | |
755 | // Argon | |
756 | ||
757 | Float_t dAr = 0.001782; // --- Ar density in g/cm3 --- | |
758 | Float_t x0Ar = 19.55 / dAr; | |
759 | AliMaterial(2, "Argon$", 39.95, 18., dAr, x0Ar, 6.5e4); | |
760 | ||
761 | // --- CO2 --- | |
762 | ||
763 | Float_t aCO2[2] = { 12.,16. }; | |
764 | Float_t zCO2[2] = { 6.,8. }; | |
765 | Float_t wCO2[2] = { 1.,2. }; | |
766 | Float_t dCO2 = 0.001977; | |
767 | AliMixture(3, "CO2 $", aCO2, zCO2, dCO2, -2, wCO2); | |
768 | ||
c4561145 | 769 | AliMaterial(4, "Al $", 26.98, 13., 2.7, 8.9, 18.5); |
f017d70a | 770 | |
771 | // ArCO2 | |
772 | ||
773 | Float_t aArCO2[3] = {39.948,12.0107,15.9994}; | |
774 | Float_t zArCO2[3] = {18.,6.,8.}; | |
775 | Float_t wArCO2[3] = {0.7,0.08,0.22}; | |
776 | Float_t dArCO2 = dAr * 0.7 + dCO2 * 0.3; | |
777 | AliMixture(5, "ArCO2$", aArCO2, zArCO2, dArCO2, 3, wArCO2); | |
778 | ||
c4561145 | 779 | AliMaterial(6, "Fe $", 55.85, 26., 7.87, 1.76, 18.5); |
f017d70a | 780 | |
781 | // G10 | |
c4561145 | 782 | |
f017d70a | 783 | Float_t aG10[4]={1.,12.011,15.9994,28.086}; |
784 | Float_t zG10[4]={1.,6.,8.,14.}; | |
d49fe99a | 785 | //PH Float_t wG10[4]={0.148648649,0.104054054,0.483499056,0.241666667}; |
786 | Float_t wG10[4]={0.15201,0.10641,0.49444,0.24714}; | |
f017d70a | 787 | AliMixture(8,"G10",aG10,zG10,1.7,4,wG10); |
c4561145 | 788 | |
f017d70a | 789 | AliMaterial(15, "Cu $", 63.54, 29., 8.96, 1.43, 15.); |
790 | ||
791 | // Steel | |
792 | Float_t aSteel[4] = { 55.847,51.9961,58.6934,28.0855 }; | |
793 | Float_t zSteel[4] = { 26.,24.,28.,14. }; | |
794 | Float_t wSteel[4] = { .715,.18,.1,.005 }; | |
795 | Float_t dSteel = 7.88; | |
796 | AliMixture(19, "STAINLESS STEEL$", aSteel, zSteel, dSteel, 4, wSteel); | |
797 | ||
798 | //Air | |
799 | ||
800 | Float_t aAir[4]={12.0107,14.0067,15.9994,39.948}; | |
801 | Float_t zAir[4]={6.,7.,8.,18.}; | |
802 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; | |
803 | Float_t dAir1 = 1.20479E-10; | |
804 | Float_t dAir = 1.20479E-3; | |
805 | AliMixture(98, "Vacum$", aAir, zAir, dAir1, 4, wAir); | |
806 | AliMixture(99, "Air $", aAir, zAir, dAir , 4, wAir); | |
807 | ||
c4561145 | 808 | // Define tracking media |
f017d70a | 809 | AliMedium(1, "Pb conv.$", 1, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1); |
810 | AliMedium(4, "Al $", 4, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); | |
811 | AliMedium(5, "ArCO2 $", 5, 1, 0, isxfld, sxmgmx, .1, .1, .10, .1); | |
812 | AliMedium(6, "Fe $", 6, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); | |
813 | AliMedium(8, "G10plate$", 8, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1); | |
814 | AliMedium(15, "Cu $", 15, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); | |
815 | AliMedium(19, "S steel$", 19, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1); | |
816 | AliMedium(98, "Vacuum $", 98, 0, 0, isxfld, sxmgmx, 1., .1, .10, 10); | |
817 | AliMedium(99, "Air gaps$", 99, 0, 0, isxfld, sxmgmx, 1., .1, .10, .1); | |
818 | ||
7235aed2 | 819 | } |
820 | ||
821 | //_____________________________________________________________________________ | |
822 | void AliPMDv0::Init() | |
823 | { | |
824 | // | |
825 | // Initialises PMD detector after it has been built | |
826 | // | |
827 | Int_t i; | |
828 | // kdet=1; | |
829 | // | |
830 | if(AliLog::GetGlobalDebugLevel()>0) { | |
831 | printf("\n%s: ",ClassName()); | |
832 | for(i=0;i<35;i++) printf("*"); | |
833 | printf(" PMD_INIT "); | |
834 | for(i=0;i<35;i++) printf("*"); | |
835 | printf("\n%s: ",ClassName()); | |
836 | printf(" PMD simulation package (v0) initialised\n"); | |
837 | printf("%s: parameters of pmd\n", ClassName()); | |
838 | printf("%s: %10.2f %10.2f %10.2f \ | |
839 | %10.2f\n",ClassName(),fgkCellRadius,fgkCellWall,fgkCellDepth,fgkZdist ); | |
840 | printf("%s: ",ClassName()); | |
841 | for(i=0;i<80;i++) printf("*"); | |
842 | printf("\n"); | |
843 | } | |
844 | Int_t *idtmed = fIdtmed->GetArray()-599; | |
845 | fMedSens=idtmed[605-1]; | |
c4561145 | 846 | // --- Generate explicitly delta rays in the iron, aluminium and lead --- |
5b9c7140 | 847 | // removed all Gstpar and energy cut-offs moved to galice.cuts |
c4561145 | 848 | } |
849 | ||
c4561145 | 850 | //_____________________________________________________________________________ |
851 | void AliPMDv0::StepManager() | |
852 | { | |
853 | // | |
854 | // Called at each step in the PMD | |
855 | // | |
856 | Int_t copy; | |
db06ef51 | 857 | Float_t hits[5], destep; |
c4561145 | 858 | Float_t center[3] = {0,0,0}; |
db06ef51 | 859 | Int_t vol[6]; |
c4561145 | 860 | //char *namep; |
861 | ||
fa914fe6 | 862 | if(gMC->CurrentMedium() == fMedSens && (destep = gMC->Edep())) { |
c4561145 | 863 | |
864 | gMC->CurrentVolID(copy); | |
db06ef51 | 865 | vol[0] = copy; |
c4561145 | 866 | gMC->CurrentVolOffID(1,copy); |
db06ef51 | 867 | vol[1] = copy; |
c4561145 | 868 | gMC->CurrentVolOffID(2,copy); |
db06ef51 | 869 | vol[2] = copy; |
c4561145 | 870 | gMC->CurrentVolOffID(3,copy); |
db06ef51 | 871 | vol[3] = copy; |
c4561145 | 872 | gMC->CurrentVolOffID(4,copy); |
db06ef51 | 873 | vol[4] = copy; |
874 | gMC->CurrentVolOffID(5,copy); | |
875 | vol[5] = copy; | |
c4561145 | 876 | |
877 | gMC->Gdtom(center,hits,1); | |
878 | hits[3] = destep*1e9; //Number in eV | |
db06ef51 | 879 | |
880 | // this is for pile-up events | |
881 | hits[4] = gMC->TrackTime(); | |
882 | ||
5d12ce38 | 883 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits); |
c4561145 | 884 | } |
885 | } | |
886 | ||
887 | ||
888 | //------------------------------------------------------------------------ | |
889 | // Get parameters | |
890 | ||
891 | void AliPMDv0::GetParameters() | |
892 | { | |
86bd0ac4 | 893 | // This gives all the parameters of the detector |
894 | // such as Length of Supermodules | |
895 | // thickness of the Supermodule | |
896 | // | |
897 | Int_t ncellum, numum; | |
898 | ncellum = 24; | |
899 | numum = 3; | |
900 | fNcellSM = ncellum * numum; //no. of cells in a row in one supermodule | |
901 | fSMLength = (fNcellSM + 0.25 )*fgkCellRadius*2.; | |
902 | fSMthick = fgkThBase + fgkThAir + fgkThPCB + fgkCellDepth + | |
903 | fgkThPCB + fgkThAir + fgkThPCB; | |
c4561145 | 904 | } |