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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> |
33 | #include <TGeoGlobalMagField.h> | |
88cb7938 | 34 | #include <TVirtualMC.h> |
f7a1cc68 | 35 | |
c4561145 | 36 | #include "AliConst.h" |
37 | #include "AliMagF.h" | |
88cb7938 | 38 | #include "AliPMDv0.h" |
39 | #include "AliRun.h" | |
5d12ce38 | 40 | #include "AliMC.h" |
4951e003 | 41 | #include "AliLog.h" |
86bd0ac4 | 42 | |
43 | const Int_t AliPMDv0::fgkNcellHole = 24; // Hole dimension | |
44 | const Float_t AliPMDv0::fgkCellRadius = 0.25; // Radius of a hexagonal cell | |
45 | const Float_t AliPMDv0::fgkCellWall = 0.02; // Thickness of cell Wall | |
46 | const Float_t AliPMDv0::fgkCellDepth = 0.50; // Gas thickness | |
47 | const Float_t AliPMDv0::fgkBoundary = 0.7; // Thickness of Boundary wall | |
48 | const Float_t AliPMDv0::fgkThBase = 0.3; // Thickness of Base plate | |
49 | const Float_t AliPMDv0::fgkThAir = 0.1; // Thickness of Air | |
50 | const Float_t AliPMDv0::fgkThPCB = 0.16; // Thickness of PCB | |
51 | const Float_t AliPMDv0::fgkThLead = 1.5; // Thickness of Pb | |
52 | const Float_t AliPMDv0::fgkThSteel = 0.5; // Thickness of Steel | |
53 | const Float_t AliPMDv0::fgkZdist = 361.5; // z-position of the detector | |
54 | const Float_t AliPMDv0::fgkSqroot3 = 1.7320508;// Square Root of 3 | |
55 | const Float_t AliPMDv0::fgkSqroot3by2 = 0.8660254;// Square Root of 3 by 2 | |
56 | const Float_t AliPMDv0::fgkPi = 3.14159; // pi | |
c4561145 | 57 | |
58 | ClassImp(AliPMDv0) | |
59 | ||
86bd0ac4 | 60 | //_____________________________________________________________________________ |
a48edddd | 61 | AliPMDv0::AliPMDv0(): |
62 | fSMthick(0.), | |
63 | fSMLength(0.), | |
64 | fMedSens(0), | |
65 | fNcellSM(0) | |
c4561145 | 66 | { |
67 | // | |
68 | // Default constructor | |
69 | // | |
c4561145 | 70 | } |
71 | ||
72 | //_____________________________________________________________________________ | |
a48edddd | 73 | AliPMDv0::AliPMDv0(const char *name, const char *title): |
74 | AliPMD(name,title), | |
75 | fSMthick(0.), | |
76 | fSMLength(0.), | |
77 | fMedSens(0), | |
78 | fNcellSM(0) | |
c4561145 | 79 | { |
80 | // | |
81 | // Standard constructor | |
82 | // | |
c4561145 | 83 | } |
84 | ||
85 | //_____________________________________________________________________________ | |
86 | void AliPMDv0::CreateGeometry() | |
87 | { | |
88 | // | |
89 | // Create geometry for Photon Multiplicity Detector Version 3 : | |
90 | // April 2, 2001 | |
91 | // | |
92 | //Begin_Html | |
93 | /* | |
94 | <img src="picts/AliPMDv0.gif"> | |
95 | */ | |
96 | //End_Html | |
97 | //Begin_Html | |
98 | /* | |
99 | <img src="picts/AliPMDv0Tree.gif"> | |
100 | */ | |
101 | //End_Html | |
102 | GetParameters(); | |
103 | CreateSupermodule(); | |
104 | CreatePMD(); | |
105 | } | |
106 | ||
107 | //_____________________________________________________________________________ | |
108 | void AliPMDv0::CreateSupermodule() | |
109 | { | |
110 | // | |
111 | // Creates the geometry of the cells, places them in supermodule which | |
112 | // is a rhombus object. | |
113 | ||
114 | // *** DEFINITION OF THE GEOMETRY OF THE PMD *** | |
115 | // *** HEXAGONAL CELLS WITH CELL RADIUS 0.25 cm (see "GetParameters") | |
116 | // -- Author : S. Chattopadhyay, 02/04/1999. | |
117 | ||
118 | // Basic unit is ECAR, a hexagonal cell made of Ar+CO2, which is placed inside another | |
119 | // hexagonal cell made of Cu (ECCU) with larger radius, compared to ECAR. The difference | |
120 | // in radius gives the dimension of half width of each cell wall. | |
121 | // These cells are placed as 72 x 72 array in a | |
122 | // rhombus shaped supermodule (EHC1). The rhombus shaped modules are designed | |
123 | // to have closed packed structure. | |
124 | // | |
125 | // Each supermodule (ESMA, ESMB), made of G10 is filled with following components | |
126 | // EAIR --> Air gap between gas hexagonal cells and G10 backing. | |
127 | // EHC1 --> Rhombus shaped parallelopiped containing the hexagonal cells | |
128 | // EAIR --> Air gap between gas hexagonal cells and G10 backing. | |
129 | // | |
130 | // ESMA, ESMB are placed in EMM1 along with EMPB (Pb converter) | |
131 | // and EMFE (iron support) | |
132 | ||
133 | // EMM1 made of | |
134 | // ESMB --> Normal supermodule, mirror image of ESMA | |
135 | // EMPB --> Pb converter | |
136 | // EMFE --> Fe backing | |
137 | // ESMA --> Normal supermodule | |
138 | // | |
139 | // ESMX, ESMY are placed in EMM2 along with EMPB (Pb converter) | |
140 | // and EMFE (iron support) | |
141 | ||
142 | // EMM2 made of | |
143 | // ESMY --> Special supermodule, mirror image of ESMX, | |
144 | // EMPB --> Pb converter | |
145 | // EMFE --> Fe backing | |
146 | // ESMX --> First of the two Special supermodules near the hole | |
147 | ||
148 | // EMM3 made of | |
149 | // ESMQ --> Special supermodule, mirror image of ESMX, | |
150 | // EMPB --> Pb converter | |
151 | // EMFE --> Fe backing | |
152 | // ESMP --> Second of the two Special supermodules near the hole | |
153 | ||
154 | // EMM2 and EMM3 are used to create the hexagonal HOLE | |
155 | ||
156 | // | |
157 | // EPMD | |
158 | // | | |
159 | // | | |
160 | // --------------------------------------------------------------------------- | |
161 | // | | | | | | |
162 | // EHOL EMM1 EMM2 EMM3 EALM | |
163 | // | | | | |
164 | // -------------------- -------------------- -------------------- | |
165 | // | | | | | | | | | | | | | |
166 | // ESMB EMPB EMFE ESMA ESMY EMPB EMFE ESMX ESMQ EMPB EMFE ESMP | |
167 | // | | | | |
168 | // ------------ ------------ ------------- | |
169 | // | | | | | | | | | | |
170 | // EAIR EHC1 EAIR EAIR EHC2 EAIR EAIR EHC3 EAIR | |
171 | // | | | | |
172 | // ECCU ECCU ECCU | |
173 | // | | | | |
174 | // ECAR ECAR ECAR | |
175 | ||
176 | ||
177 | Int_t i, j; | |
178 | Float_t xb, yb, zb; | |
179 | Int_t number; | |
180 | Int_t ihrotm,irotdm; | |
c4561145 | 181 | Int_t *idtmed = fIdtmed->GetArray()-599; |
182 | ||
183 | AliMatrix(ihrotm, 90., 30., 90., 120., 0., 0.); | |
184 | AliMatrix(irotdm, 90., 180., 90., 270., 180., 0.); | |
185 | ||
c4561145 | 186 | //Subhasis, dimensional parameters of rhombus (dpara) as given to gsvolu |
187 | // rhombus to accomodate 72 x 72 hexagons, and with total 1.2cm extension | |
188 | //(1mm tolerance on both side and 5mm thick G10 wall) | |
189 | // | |
c4561145 | 190 | // **** CELL SIZE 20 mm^2 EQUIVALENT |
c4561145 | 191 | // Inner hexagon filled with gas (Ar+CO2) |
192 | ||
193 | Float_t hexd2[10] = {0.,360.,6,2,-0.25,0.,0.23,0.25,0.,0.23}; | |
194 | ||
86bd0ac4 | 195 | hexd2[4]= -fgkCellDepth/2.; |
196 | hexd2[7]= fgkCellDepth/2.; | |
197 | hexd2[6]= fgkCellRadius - fgkCellWall; | |
198 | hexd2[9]= fgkCellRadius - fgkCellWall; | |
c4561145 | 199 | |
86bd0ac4 | 200 | // Gas replaced by vacuum for v0(insensitive) version of PMD. |
c4561145 | 201 | |
202 | gMC->Gsvolu("ECAR", "PGON", idtmed[697], hexd2,10); | |
203 | gMC->Gsatt("ECAR", "SEEN", 0); | |
86bd0ac4 | 204 | |
c4561145 | 205 | // Outer hexagon made of Copper |
86bd0ac4 | 206 | |
c4561145 | 207 | Float_t hexd1[10] = {0.,360.,6,2,-0.25,0.,0.25,0.25,0.,0.25}; |
c4561145 | 208 | |
86bd0ac4 | 209 | hexd1[4]= -fgkCellDepth/2.; |
210 | hexd1[7]= fgkCellDepth/2.; | |
211 | hexd1[6]= fgkCellRadius; | |
212 | hexd1[9]= fgkCellRadius; | |
c4561145 | 213 | |
214 | gMC->Gsvolu("ECCU", "PGON", idtmed[614], hexd1,10); | |
215 | gMC->Gsatt("ECCU", "SEEN", 1); | |
216 | ||
217 | // --- place inner hex inside outer hex | |
218 | ||
ef61784c | 219 | gMC->Gspos("ECAR", 1, "ECCU", 0., 0., 0., 0, "ONLY"); |
c4561145 | 220 | |
86bd0ac4 | 221 | // Rhombus shaped supermodules (defined by PARA) |
222 | ||
223 | // volume for SUPERMODULE | |
c4561145 | 224 | |
86bd0ac4 | 225 | Float_t dparasm1[6] = {12.5,12.5,0.8,30.,0.,0.}; |
226 | dparasm1[0] = (fNcellSM+0.25)*hexd1[6] ; | |
227 | dparasm1[1] = dparasm1[0] *fgkSqroot3by2; | |
228 | dparasm1[2] = fSMthick/2.; | |
229 | ||
230 | // | |
231 | gMC->Gsvolu("ESMA","PARA", idtmed[607], dparasm1, 6); | |
c4561145 | 232 | gMC->Gsatt("ESMA", "SEEN", 0); |
233 | // | |
86bd0ac4 | 234 | gMC->Gsvolu("ESMB","PARA", idtmed[607], dparasm1, 6); |
c4561145 | 235 | gMC->Gsatt("ESMB", "SEEN", 0); |
86bd0ac4 | 236 | |
c4561145 | 237 | // Air residing between the PCB and the base |
86bd0ac4 | 238 | |
239 | Float_t dparaair[6] = {12.5,12.5,8.,30.,0.,0.}; | |
240 | dparaair[0]= dparasm1[0]; | |
241 | dparaair[1]= dparasm1[1]; | |
242 | dparaair[2]= fgkThAir/2.; | |
243 | ||
244 | gMC->Gsvolu("EAIR","PARA", idtmed[698], dparaair, 6); | |
c4561145 | 245 | gMC->Gsatt("EAIR", "SEEN", 0); |
86bd0ac4 | 246 | |
c4561145 | 247 | // volume for honeycomb chamber EHC1 |
86bd0ac4 | 248 | |
c4561145 | 249 | Float_t dpara1[6] = {12.5,12.5,0.4,30.,0.,0.}; |
86bd0ac4 | 250 | dpara1[0] = dparasm1[0]; |
251 | dpara1[1] = dparasm1[1]; | |
252 | dpara1[2] = fgkCellDepth/2.; | |
c4561145 | 253 | |
254 | gMC->Gsvolu("EHC1","PARA", idtmed[698], dpara1, 6); | |
255 | gMC->Gsatt("EHC1", "SEEN", 1); | |
256 | ||
c4561145 | 257 | // Place hexagonal cells ECCU cells inside EHC1 (72 X 72) |
258 | ||
86bd0ac4 | 259 | Int_t xrow = 1; |
c4561145 | 260 | |
86bd0ac4 | 261 | yb = -dpara1[1] + (1./fgkSqroot3by2)*hexd1[6]; |
c4561145 | 262 | zb = 0.; |
263 | ||
86bd0ac4 | 264 | for (j = 1; j <= fNcellSM; ++j) { |
c4561145 | 265 | xb =-(dpara1[0] + dpara1[1]*0.577) + 2*hexd1[6]; //0.577=tan(30deg) |
266 | if(xrow >= 2){ | |
267 | xb = xb+(xrow-1)*hexd1[6]; | |
268 | } | |
86bd0ac4 | 269 | for (i = 1; i <= fNcellSM; ++i) { |
270 | number = i+(j-1)*fNcellSM; | |
ef61784c | 271 | gMC->Gspos("ECCU", number, "EHC1", xb,yb,zb, ihrotm, "ONLY"); |
c4561145 | 272 | xb += (hexd1[6]*2.); |
273 | } | |
274 | xrow = xrow+1; | |
86bd0ac4 | 275 | yb += (hexd1[6]*fgkSqroot3); |
c4561145 | 276 | } |
277 | ||
278 | ||
279 | // Place EHC1 and EAIR into ESMA and ESMB | |
280 | ||
86bd0ac4 | 281 | Float_t zAir1,zAir2,zGas; |
c4561145 | 282 | |
283 | //ESMA is normal supermodule with base at bottom, with EHC1 | |
86bd0ac4 | 284 | zAir1= -dparasm1[2] + fgkThBase + dparaair[2]; |
285 | gMC->Gspos("EAIR", 1, "ESMA", 0., 0., zAir1, 0, "ONLY"); | |
286 | zGas=zAir1+dparaair[2]+ fgkThPCB + dpara1[2]; | |
76ad67b5 | 287 | //Line below Commented for version 0 of PMD routine |
86bd0ac4 | 288 | // gMC->Gspos("EHC1", 1, "ESMA", 0., 0., zGas, 0, "ONLY"); |
289 | zAir2=zGas+dpara1[2]+ fgkThPCB + dparaair[2]; | |
290 | gMC->Gspos("EAIR", 2, "ESMA", 0., 0., zAir2, 0, "ONLY"); | |
c4561145 | 291 | |
292 | // ESMB is mirror image of ESMA, with base at top, with EHC1 | |
293 | ||
86bd0ac4 | 294 | zAir1= -dparasm1[2] + fgkThPCB + dparaair[2]; |
295 | gMC->Gspos("EAIR", 3, "ESMB", 0., 0., zAir1, 0, "ONLY"); | |
296 | zGas=zAir1+dparaair[2]+ fgkThPCB + dpara1[2]; | |
76ad67b5 | 297 | //Line below Commented for version 0 of PMD routine |
86bd0ac4 | 298 | // gMC->Gspos("EHC1", 2, "ESMB", 0., 0., zGas, 0, "ONLY"); |
299 | zAir2=zGas+dpara1[2]+ fgkThPCB + dparaair[2]; | |
300 | gMC->Gspos("EAIR", 4, "ESMB", 0., 0., zAir2, 0, "ONLY"); | |
c4561145 | 301 | |
c4561145 | 302 | |
86bd0ac4 | 303 | // special supermodule EMM2(GEANT only) containing 6 unit modules |
304 | // volume for SUPERMODULE | |
c4561145 | 305 | |
86bd0ac4 | 306 | Float_t dparasm2[6] = {12.5,12.5,0.8,30.,0.,0.}; |
307 | dparasm2[0]=(fNcellSM+0.25)*hexd1[6] ; | |
308 | dparasm2[1] = (fNcellSM - fgkNcellHole + 0.25) * fgkSqroot3by2 * hexd1[6]; | |
309 | dparasm2[2] = fSMthick/2.; | |
c4561145 | 310 | |
86bd0ac4 | 311 | gMC->Gsvolu("ESMX","PARA", idtmed[607], dparasm2, 6); |
c4561145 | 312 | gMC->Gsatt("ESMX", "SEEN", 0); |
313 | // | |
86bd0ac4 | 314 | gMC->Gsvolu("ESMY","PARA", idtmed[607], dparasm2, 6); |
c4561145 | 315 | gMC->Gsatt("ESMY", "SEEN", 0); |
316 | ||
317 | Float_t dpara2[6] = {12.5,12.5,0.4,30.,0.,0.}; | |
86bd0ac4 | 318 | dpara2[0] = dparasm2[0]; |
319 | dpara2[1] = dparasm2[1]; | |
320 | dpara2[2] = fgkCellDepth/2.; | |
c4561145 | 321 | |
322 | gMC->Gsvolu("EHC2","PARA", idtmed[698], dpara2, 6); | |
323 | gMC->Gsatt("EHC2", "SEEN", 1); | |
324 | ||
325 | ||
326 | // Air residing between the PCB and the base | |
327 | ||
86bd0ac4 | 328 | Float_t dpara2Air[6] = {12.5,12.5,8.,30.,0.,0.}; |
329 | dpara2Air[0]= dparasm2[0]; | |
330 | dpara2Air[1]= dparasm2[1]; | |
331 | dpara2Air[2]= fgkThAir/2.; | |
c4561145 | 332 | |
86bd0ac4 | 333 | gMC->Gsvolu("EAIX","PARA", idtmed[698], dpara2Air, 6); |
c4561145 | 334 | gMC->Gsatt("EAIX", "SEEN", 0); |
335 | ||
336 | // Place hexagonal single cells ECCU inside EHC2 | |
337 | // skip cells which go into the hole in top left corner. | |
338 | ||
339 | xrow=1; | |
86bd0ac4 | 340 | yb = -dpara2[1] + (1./fgkSqroot3by2)*hexd1[6]; |
c4561145 | 341 | zb = 0.; |
86bd0ac4 | 342 | for (j = 1; j <= (fNcellSM - fgkNcellHole); ++j) { |
c4561145 | 343 | xb =-(dpara2[0] + dpara2[1]*0.577) + 2*hexd1[6]; |
344 | if(xrow >= 2){ | |
345 | xb = xb+(xrow-1)*hexd1[6]; | |
346 | } | |
86bd0ac4 | 347 | for (i = 1; i <= fNcellSM; ++i) { |
348 | number = i+(j-1)*fNcellSM; | |
ef61784c | 349 | gMC->Gspos("ECCU", number, "EHC2", xb,yb,zb, ihrotm, "ONLY"); |
c4561145 | 350 | xb += (hexd1[6]*2.); |
351 | } | |
352 | xrow = xrow+1; | |
86bd0ac4 | 353 | yb += (hexd1[6]*fgkSqroot3); |
c4561145 | 354 | } |
355 | ||
356 | ||
357 | // ESMX is normal supermodule with base at bottom, with EHC2 | |
358 | ||
86bd0ac4 | 359 | zAir1= -dparasm2[2] + fgkThBase + dpara2Air[2]; |
360 | gMC->Gspos("EAIX", 1, "ESMX", 0., 0., zAir1, 0, "ONLY"); | |
361 | zGas=zAir1+dpara2Air[2]+ fgkThPCB + dpara2[2]; | |
76ad67b5 | 362 | //Line below Commented for version 0 of PMD routine |
86bd0ac4 | 363 | // gMC->Gspos("EHC2", 1, "ESMX", 0., 0., zGas, 0, "ONLY"); |
364 | zAir2=zGas+dpara2[2]+ fgkThPCB + dpara2Air[2]; | |
365 | gMC->Gspos("EAIX", 2, "ESMX", 0., 0., zAir2, 0, "ONLY"); | |
c4561145 | 366 | |
367 | // ESMY is mirror image of ESMX with base at bottom, with EHC2 | |
368 | ||
86bd0ac4 | 369 | zAir1= -dparasm2[2] + fgkThPCB + dpara2Air[2]; |
370 | gMC->Gspos("EAIX", 3, "ESMY", 0., 0., zAir1, 0, "ONLY"); | |
371 | zGas=zAir1+dpara2Air[2]+ fgkThPCB + dpara2[2]; | |
76ad67b5 | 372 | //Line below Commented for version 0 of PMD routine |
86bd0ac4 | 373 | // gMC->Gspos("EHC2", 2, "ESMY", 0., 0., zGas, 0, "ONLY"); |
374 | zAir2=zGas+dpara2[2]+ fgkThPCB + dpara2Air[2]; | |
375 | gMC->Gspos("EAIX", 4, "ESMY", 0., 0., zAir2, 0, "ONLY"); | |
c4561145 | 376 | |
86bd0ac4 | 377 | // |
378 | // special supermodule EMM3 (GEANT only) containing 2 unit modules | |
379 | // volume for SUPERMODULE | |
380 | // | |
381 | Float_t dparaSM3[6] = {12.5,12.5,0.8,30.,0.,0.}; | |
382 | dparaSM3[0]=(fNcellSM - fgkNcellHole +0.25)*hexd1[6] ; | |
383 | dparaSM3[1] = (fgkNcellHole + 0.25) * hexd1[6] * fgkSqroot3by2; | |
384 | dparaSM3[2] = fSMthick/2.; | |
c4561145 | 385 | |
86bd0ac4 | 386 | gMC->Gsvolu("ESMP","PARA", idtmed[607], dparaSM3, 6); |
c4561145 | 387 | gMC->Gsatt("ESMP", "SEEN", 0); |
388 | // | |
86bd0ac4 | 389 | gMC->Gsvolu("ESMQ","PARA", idtmed[607], dparaSM3, 6); |
c4561145 | 390 | gMC->Gsatt("ESMQ", "SEEN", 0); |
391 | ||
392 | Float_t dpara3[6] = {12.5,12.5,0.4,30.,0.,0.}; | |
86bd0ac4 | 393 | dpara3[0] = dparaSM3[0]; |
394 | dpara3[1] = dparaSM3[1]; | |
395 | dpara3[2] = fgkCellDepth/2.; | |
c4561145 | 396 | |
397 | gMC->Gsvolu("EHC3","PARA", idtmed[698], dpara3, 6); | |
398 | gMC->Gsatt("EHC3", "SEEN", 1); | |
399 | ||
c4561145 | 400 | // Air residing between the PCB and the base |
401 | ||
86bd0ac4 | 402 | Float_t dpara3Air[6] = {12.5,12.5,8.,30.,0.,0.}; |
403 | dpara3Air[0]= dparaSM3[0]; | |
404 | dpara3Air[1]= dparaSM3[1]; | |
405 | dpara3Air[2]= fgkThAir/2.; | |
c4561145 | 406 | |
86bd0ac4 | 407 | gMC->Gsvolu("EAIP","PARA", idtmed[698], dpara3Air, 6); |
c4561145 | 408 | gMC->Gsatt("EAIP", "SEEN", 0); |
409 | ||
410 | ||
411 | // Place hexagonal single cells ECCU inside EHC3 | |
412 | // skip cells which go into the hole in top left corner. | |
413 | ||
414 | xrow=1; | |
86bd0ac4 | 415 | yb = -dpara3[1] + (1./fgkSqroot3by2)*hexd1[6]; |
c4561145 | 416 | zb = 0.; |
86bd0ac4 | 417 | for (j = 1; j <= fgkNcellHole; ++j) { |
c4561145 | 418 | xb =-(dpara3[0] + dpara3[1]*0.577) + 2*hexd1[6]; |
419 | if(xrow >= 2){ | |
420 | xb = xb+(xrow-1)*hexd1[6]; | |
421 | } | |
86bd0ac4 | 422 | for (i = 1; i <= (fNcellSM - fgkNcellHole); ++i) { |
423 | number = i+(j-1)*(fNcellSM - fgkNcellHole); | |
ef61784c | 424 | gMC->Gspos("ECCU", number, "EHC3", xb,yb,zb, ihrotm, "ONLY"); |
c4561145 | 425 | xb += (hexd1[6]*2.); |
426 | } | |
427 | xrow = xrow+1; | |
86bd0ac4 | 428 | yb += (hexd1[6]*fgkSqroot3); |
c4561145 | 429 | } |
430 | ||
431 | // ESMP is normal supermodule with base at bottom, with EHC3 | |
432 | ||
86bd0ac4 | 433 | zAir1= -dparaSM3[2] + fgkThBase + dpara3Air[2]; |
434 | gMC->Gspos("EAIP", 1, "ESMP", 0., 0., zAir1, 0, "ONLY"); | |
435 | zGas=zAir1+dpara3Air[2]+ fgkThPCB + dpara3[2]; | |
76ad67b5 | 436 | //Line below Commented for version 0 of PMD routine |
86bd0ac4 | 437 | // gMC->Gspos("EHC3", 1, "ESMP", 0., 0., zGas, 0, "ONLY"); |
438 | zAir2=zGas+dpara3[2]+ fgkThPCB + dpara3Air[2]; | |
439 | gMC->Gspos("EAIP", 2, "ESMP", 0., 0., zAir2, 0, "ONLY"); | |
440 | ||
c4561145 | 441 | // ESMQ is mirror image of ESMP with base at bottom, with EHC3 |
442 | ||
86bd0ac4 | 443 | zAir1= -dparaSM3[2] + fgkThPCB + dpara3Air[2]; |
444 | gMC->Gspos("EAIP", 3, "ESMQ", 0., 0., zAir1, 0, "ONLY"); | |
445 | zGas=zAir1+dpara3Air[2]+ fgkThPCB + dpara3[2]; | |
76ad67b5 | 446 | //Line below Commented for version 0 of PMD routine |
86bd0ac4 | 447 | // gMC->Gspos("EHC3", 2, "ESMQ", 0., 0., zGas, 0, "ONLY"); |
448 | zAir2=zGas+dpara3[2]+ fgkThPCB + dpara3Air[2]; | |
449 | gMC->Gspos("EAIP", 4, "ESMQ", 0., 0., zAir2, 0, "ONLY"); | |
450 | ||
c4561145 | 451 | } |
86bd0ac4 | 452 | |
c4561145 | 453 | //_____________________________________________________________________________ |
454 | ||
455 | void AliPMDv0::CreatePMD() | |
456 | { | |
457 | // | |
458 | // Create final detector from supermodules | |
459 | // | |
460 | // -- Author : Y.P. VIYOGI, 07/05/1996. | |
461 | // -- Modified: P.V.K.S.Baba(JU), 15-12-97. | |
462 | // -- Modified: For New Geometry YPV, March 2001. | |
463 | ||
c4561145 | 464 | Float_t xp, yp, zp; |
86bd0ac4 | 465 | Int_t i,j; |
466 | Int_t nummod; | |
c4561145 | 467 | Int_t jhrot12,jhrot13, irotdm; |
c4561145 | 468 | Int_t *idtmed = fIdtmed->GetArray()-599; |
469 | ||
470 | // VOLUMES Names : begining with "E" for all PMD volumes, | |
471 | // The names of SIZE variables begin with S and have more meaningful | |
472 | // characters as shown below. | |
c4561145 | 473 | // VOLUME SIZE MEDIUM : REMARKS |
474 | // ------ ----- ------ : --------------------------- | |
c4561145 | 475 | // EPMD GASPMD AIR : INSIDE PMD and its SIZE |
c4561145 | 476 | // *** Define the EPMD Volume and fill with air *** |
c4561145 | 477 | // Gaspmd, the dimension of HEXAGONAL mother volume of PMD, |
478 | ||
479 | ||
480 | Float_t gaspmd[10] = {0.,360.,6,2,-4.,12.,150.,4.,12.,150.}; | |
481 | ||
86bd0ac4 | 482 | gaspmd[5] = fgkNcellHole * fgkCellRadius * 2. * fgkSqroot3by2; |
c4561145 | 483 | gaspmd[8] = gaspmd[5]; |
484 | ||
485 | gMC->Gsvolu("EPMD", "PGON", idtmed[698], gaspmd, 10); | |
486 | gMC->Gsatt("EPMD", "SEEN", 0); | |
487 | ||
488 | AliMatrix(irotdm, 90., 0., 90., 90., 180., 0.); | |
489 | ||
490 | AliMatrix(jhrot12, 90., 120., 90., 210., 0., 0.); | |
491 | AliMatrix(jhrot13, 90., 240., 90., 330., 0., 0.); | |
492 | ||
493 | ||
86bd0ac4 | 494 | Float_t dmthick = 2. * fSMthick + fgkThLead + fgkThSteel; |
c4561145 | 495 | |
86bd0ac4 | 496 | // dparaemm1 array contains parameters of the imaginary volume EMM1, |
c4561145 | 497 | // EMM1 is a master module of type 1, which has 24 copies in the PMD. |
498 | // EMM1 : normal volume as in old cases | |
499 | ||
500 | ||
86bd0ac4 | 501 | Float_t dparaemm1[6] = {12.5,12.5,0.8,30.,0.,0.}; |
502 | dparaemm1[0] = fSMLength/2.; | |
503 | dparaemm1[1] = dparaemm1[0] *fgkSqroot3by2; | |
504 | dparaemm1[2] = dmthick/2.; | |
c4561145 | 505 | |
86bd0ac4 | 506 | gMC->Gsvolu("EMM1","PARA", idtmed[698], dparaemm1, 6); |
c4561145 | 507 | gMC->Gsatt("EMM1", "SEEN", 1); |
508 | ||
509 | // | |
510 | // --- DEFINE Modules, iron, and lead volumes | |
c4561145 | 511 | // Pb Convertor for EMM1 |
c4561145 | 512 | |
86bd0ac4 | 513 | Float_t dparapb1[6] = {12.5,12.5,8.,30.,0.,0.}; |
514 | dparapb1[0] = fSMLength/2.; | |
515 | dparapb1[1] = dparapb1[0] * fgkSqroot3by2; | |
516 | dparapb1[2] = fgkThLead/2.; | |
517 | ||
518 | gMC->Gsvolu("EPB1","PARA", idtmed[600], dparapb1, 6); | |
c4561145 | 519 | gMC->Gsatt ("EPB1", "SEEN", 0); |
520 | ||
521 | // Fe Support for EMM1 | |
86bd0ac4 | 522 | Float_t dparafe1[6] = {12.5,12.5,8.,30.,0.,0.}; |
523 | dparafe1[0] = dparapb1[0]; | |
524 | dparafe1[1] = dparapb1[1]; | |
525 | dparafe1[2] = fgkThSteel/2.; | |
c4561145 | 526 | |
86bd0ac4 | 527 | gMC->Gsvolu("EFE1","PARA", idtmed[618], dparafe1, 6); |
c4561145 | 528 | gMC->Gsatt ("EFE1", "SEEN", 0); |
529 | ||
c4561145 | 530 | // |
531 | // position supermodule ESMA, ESMB, EPB1, EFE1 inside EMM1 | |
532 | ||
86bd0ac4 | 533 | Float_t zps,zpb,zfe,zcv; |
c4561145 | 534 | |
86bd0ac4 | 535 | zps = -dparaemm1[2] + fSMthick/2.; |
536 | gMC->Gspos("ESMB", 1, "EMM1", 0., 0., zps, 0, "ONLY"); | |
537 | zpb = zps+fSMthick/2.+dparapb1[2]; | |
538 | gMC->Gspos("EPB1", 1, "EMM1", 0., 0., zpb, 0, "ONLY"); | |
539 | zfe = zpb+dparapb1[2]+dparafe1[2]; | |
540 | gMC->Gspos("EFE1", 1, "EMM1", 0., 0., zfe, 0, "ONLY"); | |
541 | zcv = zfe+dparafe1[2]+fSMthick/2.; | |
542 | gMC->Gspos("ESMA", 1, "EMM1", 0., 0., zcv, 0, "ONLY"); | |
c4561145 | 543 | |
544 | // EMM2 : special master module having full row of cells but the number | |
545 | // of rows limited by hole. | |
546 | ||
86bd0ac4 | 547 | Float_t dparaemm2[6] = {12.5,12.5,0.8,30.,0.,0.}; |
548 | dparaemm2[0] = fSMLength/2.; | |
549 | dparaemm2[1] = (fNcellSM - fgkNcellHole + 0.25)*fgkCellRadius*fgkSqroot3by2; | |
550 | dparaemm2[2] = dmthick/2.; | |
c4561145 | 551 | |
86bd0ac4 | 552 | gMC->Gsvolu("EMM2","PARA", idtmed[698], dparaemm2, 6); |
c4561145 | 553 | gMC->Gsatt("EMM2", "SEEN", 1); |
554 | ||
c4561145 | 555 | // Pb Convertor for EMM2 |
86bd0ac4 | 556 | Float_t dparapb2[6] = {12.5,12.5,8.,30.,0.,0.}; |
557 | dparapb2[0] = dparaemm2[0]; | |
558 | dparapb2[1] = dparaemm2[1]; | |
559 | dparapb2[2] = fgkThLead/2.; | |
c4561145 | 560 | |
86bd0ac4 | 561 | gMC->Gsvolu("EPB2","PARA", idtmed[600], dparapb2, 6); |
c4561145 | 562 | gMC->Gsatt ("EPB2", "SEEN", 0); |
563 | ||
564 | // Fe Support for EMM2 | |
86bd0ac4 | 565 | Float_t dparafe2[6] = {12.5,12.5,8.,30.,0.,0.}; |
566 | dparafe2[0] = dparapb2[0]; | |
567 | dparafe2[1] = dparapb2[1]; | |
568 | dparafe2[2] = fgkThSteel/2.; | |
c4561145 | 569 | |
86bd0ac4 | 570 | gMC->Gsvolu("EFE2","PARA", idtmed[618], dparafe2, 6); |
c4561145 | 571 | gMC->Gsatt ("EFE2", "SEEN", 0); |
572 | ||
c4561145 | 573 | // position supermodule ESMX, ESMY inside EMM2 |
574 | ||
86bd0ac4 | 575 | zps = -dparaemm2[2] + fSMthick/2.; |
576 | gMC->Gspos("ESMY", 1, "EMM2", 0., 0., zps, 0, "ONLY"); | |
577 | zpb = zps + fSMthick/2.+dparapb2[2]; | |
578 | gMC->Gspos("EPB2", 1, "EMM2", 0., 0., zpb, 0, "ONLY"); | |
579 | zfe = zpb + dparapb2[2]+dparafe2[2]; | |
580 | gMC->Gspos("EFE2", 1, "EMM2", 0., 0., zfe, 0, "ONLY"); | |
581 | zcv = zfe + dparafe2[2]+fSMthick/2.; | |
582 | gMC->Gspos("ESMX", 1, "EMM2", 0., 0., zcv, 0, "ONLY"); | |
c4561145 | 583 | // |
c4561145 | 584 | // EMM3 : special master module having truncated rows and columns of cells |
585 | // limited by hole. | |
586 | ||
86bd0ac4 | 587 | Float_t dparaemm3[6] = {12.5,12.5,0.8,30.,0.,0.}; |
588 | dparaemm3[0] = dparaemm2[1]/fgkSqroot3by2; | |
589 | dparaemm3[1] = (fgkNcellHole + 0.25) * fgkCellRadius *fgkSqroot3by2; | |
590 | dparaemm3[2] = dmthick/2.; | |
c4561145 | 591 | |
86bd0ac4 | 592 | gMC->Gsvolu("EMM3","PARA", idtmed[698], dparaemm3, 6); |
c4561145 | 593 | gMC->Gsatt("EMM3", "SEEN", 1); |
594 | ||
c4561145 | 595 | // Pb Convertor for EMM3 |
86bd0ac4 | 596 | Float_t dparapb3[6] = {12.5,12.5,8.,30.,0.,0.}; |
597 | dparapb3[0] = dparaemm3[0]; | |
598 | dparapb3[1] = dparaemm3[1]; | |
599 | dparapb3[2] = fgkThLead/2.; | |
c4561145 | 600 | |
86bd0ac4 | 601 | gMC->Gsvolu("EPB3","PARA", idtmed[600], dparapb3, 6); |
c4561145 | 602 | gMC->Gsatt ("EPB3", "SEEN", 0); |
603 | ||
604 | // Fe Support for EMM3 | |
86bd0ac4 | 605 | Float_t dparafe3[6] = {12.5,12.5,8.,30.,0.,0.}; |
606 | dparafe3[0] = dparapb3[0]; | |
607 | dparafe3[1] = dparapb3[1]; | |
608 | dparafe3[2] = fgkThSteel/2.; | |
c4561145 | 609 | |
86bd0ac4 | 610 | gMC->Gsvolu("EFE3","PARA", idtmed[618], dparafe3, 6); |
c4561145 | 611 | gMC->Gsatt ("EFE3", "SEEN", 0); |
612 | ||
c4561145 | 613 | // position supermodule ESMP, ESMQ inside EMM3 |
614 | ||
86bd0ac4 | 615 | zps = -dparaemm3[2] + fSMthick/2.; |
616 | gMC->Gspos("ESMQ", 1, "EMM3", 0., 0., zps, 0, "ONLY"); | |
617 | zpb = zps + fSMthick/2.+dparapb3[2]; | |
618 | gMC->Gspos("EPB3", 1, "EMM3", 0., 0., zpb, 0, "ONLY"); | |
619 | zfe = zpb + dparapb3[2]+dparafe3[2]; | |
620 | gMC->Gspos("EFE3", 1, "EMM3", 0., 0., zfe, 0, "ONLY"); | |
621 | zcv = zfe + dparafe3[2] + fSMthick/2.; | |
622 | gMC->Gspos("ESMP", 1, "EMM3", 0., 0., zcv, 0, "ONLY"); | |
c4561145 | 623 | // |
624 | ||
625 | // EHOL is a tube structure made of air | |
626 | // | |
627 | //Float_t d_hole[3]; | |
628 | //d_hole[0] = 0.; | |
86bd0ac4 | 629 | //d_hole[1] = fgkNcellHole * fgkCellRadius *2. * fgkSqroot3by2 + boundary; |
630 | //d_hole[2] = dmthick/2.; | |
c4561145 | 631 | // |
632 | //gMC->Gsvolu("EHOL", "TUBE", idtmed[698], d_hole, 3); | |
633 | //gMC->Gsatt("EHOL", "SEEN", 1); | |
634 | ||
635 | //Al-rod as boundary of the supermodules | |
636 | ||
86bd0ac4 | 637 | Float_t alRod[3] ; |
638 | alRod[0] = fSMLength * 3/2. - gaspmd[5]/2 - fgkBoundary ; | |
639 | alRod[1] = fgkBoundary; | |
640 | alRod[2] = dmthick/2.; | |
c4561145 | 641 | |
86bd0ac4 | 642 | gMC->Gsvolu("EALM","BOX ", idtmed[698], alRod, 3); |
c4561145 | 643 | gMC->Gsatt ("EALM", "SEEN", 1); |
644 | Float_t xalm[3]; | |
86bd0ac4 | 645 | xalm[0]=alRod[0] + gaspmd[5] + 3.0*fgkBoundary; |
c4561145 | 646 | xalm[1]=-xalm[0]/2.; |
647 | xalm[2]=xalm[1]; | |
648 | ||
649 | Float_t yalm[3]; | |
650 | yalm[0]=0.; | |
86bd0ac4 | 651 | yalm[1]=xalm[0]*fgkSqroot3by2; |
c4561145 | 652 | yalm[2]=-yalm[1]; |
653 | ||
654 | // delx = full side of the supermodule | |
86bd0ac4 | 655 | Float_t delx=fSMLength * 3.; |
656 | Float_t x1= delx*fgkSqroot3by2 /2.; | |
c4561145 | 657 | Float_t x4=delx/4.; |
658 | ||
c4561145 | 659 | // placing master modules and Al-rod in PMD |
660 | ||
86bd0ac4 | 661 | Float_t dx = fSMLength; |
662 | Float_t dy = dx * fgkSqroot3by2; | |
c4561145 | 663 | Float_t xsup[9] = {-dx/2., dx/2., 3.*dx/2., |
664 | -dx, 0., dx, | |
665 | -3.*dx/2., -dx/2., dx/2.}; | |
666 | ||
667 | Float_t ysup[9] = {dy, dy, dy, | |
668 | 0., 0., 0., | |
669 | -dy, -dy, -dy}; | |
670 | ||
671 | // xpos and ypos are the x & y coordinates of the centres of EMM1 volumes | |
672 | ||
86bd0ac4 | 673 | Float_t xoff = fgkBoundary * TMath::Tan(fgkPi/6.); |
674 | Float_t xmod[3]={x4 + xoff , x4 + xoff, -2.*x4-fgkBoundary/fgkSqroot3by2}; | |
675 | Float_t ymod[3] = {-x1 - fgkBoundary, x1 + fgkBoundary, 0.}; | |
c4561145 | 676 | Float_t xpos[9], ypos[9], x2, y2, x3, y3; |
677 | ||
86bd0ac4 | 678 | Float_t xemm2 = fSMLength/2. - |
679 | (fNcellSM + fgkNcellHole + 0.25) * fgkCellRadius * 0.5 | |
c4561145 | 680 | + xoff; |
86bd0ac4 | 681 | Float_t yemm2 = -(fNcellSM + fgkNcellHole + 0.25)*fgkCellRadius*fgkSqroot3by2 |
682 | - fgkBoundary; | |
c4561145 | 683 | |
86bd0ac4 | 684 | Float_t xemm3 = (fNcellSM + 0.5 * fgkNcellHole + 0.25) * fgkCellRadius + |
685 | xoff; | |
686 | Float_t yemm3 = - (fgkNcellHole - 0.25) * fgkCellRadius * fgkSqroot3by2 - | |
687 | fgkBoundary; | |
c4561145 | 688 | |
86bd0ac4 | 689 | Float_t theta[3] = {0., 2.*fgkPi/3., 4.*fgkPi/3.}; |
c4561145 | 690 | Int_t irotate[3] = {0, jhrot12, jhrot13}; |
86bd0ac4 | 691 | |
692 | nummod=0; | |
ef61784c | 693 | for (j=0; j<3; ++j) { |
694 | gMC->Gspos("EALM", j+1, "EPMD", xalm[j],yalm[j], 0., irotate[j], "ONLY"); | |
695 | x2=xemm2*TMath::Cos(theta[j]) - yemm2*TMath::Sin(theta[j]); | |
696 | y2=xemm2*TMath::Sin(theta[j]) + yemm2*TMath::Cos(theta[j]); | |
c4561145 | 697 | |
ef61784c | 698 | gMC->Gspos("EMM2", j+1, "EPMD", x2,y2, 0., irotate[j], "ONLY"); |
c4561145 | 699 | |
ef61784c | 700 | x3=xemm3*TMath::Cos(theta[j]) - yemm3*TMath::Sin(theta[j]); |
701 | y3=xemm3*TMath::Sin(theta[j]) + yemm3*TMath::Cos(theta[j]); | |
c4561145 | 702 | |
ef61784c | 703 | gMC->Gspos("EMM3", j+4, "EPMD", x3,y3, 0., irotate[j], "ONLY"); |
c4561145 | 704 | |
ef61784c | 705 | for (i=1; i<9; ++i) { |
86bd0ac4 | 706 | xpos[i]=xmod[j] + xsup[i]*TMath::Cos(theta[j]) - |
707 | ysup[i]*TMath::Sin(theta[j]); | |
708 | ypos[i]=ymod[j] + xsup[i]*TMath::Sin(theta[j]) + | |
709 | ysup[i]*TMath::Cos(theta[j]); | |
4951e003 | 710 | |
711 | AliDebugClass(1,Form("xpos: %f, ypos: %f", xpos[i], ypos[i])); | |
86bd0ac4 | 712 | |
713 | nummod = nummod+1; | |
714 | ||
4951e003 | 715 | AliDebugClass(1,Form("nummod %d",nummod)); |
86bd0ac4 | 716 | |
717 | gMC->Gspos("EMM1", nummod + 6, "EPMD", xpos[i],ypos[i], 0., irotate[j], "ONLY"); | |
718 | ||
719 | } | |
ef61784c | 720 | } |
86bd0ac4 | 721 | |
722 | ||
c4561145 | 723 | // place EHOL in the centre of EPMD |
724 | // gMC->Gspos("EHOL", 1, "EPMD", 0.,0.,0., 0, "ONLY"); | |
86bd0ac4 | 725 | |
c4561145 | 726 | // --- Place the EPMD in ALICE |
727 | xp = 0.; | |
728 | yp = 0.; | |
86bd0ac4 | 729 | zp = fgkZdist; |
c4561145 | 730 | |
731 | gMC->Gspos("EPMD", 1, "ALIC", xp,yp,zp, 0, "ONLY"); | |
732 | ||
733 | } | |
734 | ||
735 | ||
736 | //_____________________________________________________________________________ | |
86bd0ac4 | 737 | void AliPMDv0::DrawModule() const |
c4561145 | 738 | { |
739 | // | |
740 | // Draw a shaded view of the Photon Multiplicity Detector | |
741 | // | |
742 | ||
743 | gMC->Gsatt("*", "seen", -1); | |
744 | gMC->Gsatt("alic", "seen", 0); | |
745 | // | |
746 | // Set the visibility of the components | |
747 | // | |
748 | gMC->Gsatt("ECAR","seen",0); | |
749 | gMC->Gsatt("ECCU","seen",1); | |
750 | gMC->Gsatt("EHC1","seen",1); | |
751 | gMC->Gsatt("EHC1","seen",1); | |
752 | gMC->Gsatt("EHC2","seen",1); | |
753 | gMC->Gsatt("EMM1","seen",1); | |
754 | gMC->Gsatt("EHOL","seen",1); | |
755 | gMC->Gsatt("EPMD","seen",0); | |
756 | // | |
757 | gMC->Gdopt("hide", "on"); | |
758 | gMC->Gdopt("shad", "on"); | |
759 | gMC->Gsatt("*", "fill", 7); | |
760 | gMC->SetClipBox("."); | |
761 | gMC->SetClipBox("*", 0, 3000, -3000, 3000, -6000, 6000); | |
762 | gMC->DefaultRange(); | |
763 | gMC->Gdraw("alic", 40, 30, 0, 22, 20.5, .02, .02); | |
764 | gMC->Gdhead(1111, "Photon Multiplicity Detector Version 1"); | |
765 | ||
766 | //gMC->Gdman(17, 5, "MAN"); | |
767 | gMC->Gdopt("hide", "off"); | |
768 | } | |
769 | ||
770 | //_____________________________________________________________________________ | |
771 | void AliPMDv0::CreateMaterials() | |
772 | { | |
773 | // | |
774 | // Create materials for the PMD | |
775 | // | |
776 | // ORIGIN : Y. P. VIYOGI | |
777 | // | |
778 | ||
f017d70a | 779 | // cout << " Inside create materials " << endl; |
908ce7f5 | 780 | |
f7a1cc68 | 781 | Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ(); |
782 | Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max(); | |
c4561145 | 783 | |
784 | // --- Define the various materials for GEANT --- | |
f017d70a | 785 | |
c4561145 | 786 | AliMaterial(1, "Pb $", 207.19, 82., 11.35, .56, 18.5); |
f017d70a | 787 | |
788 | // Argon | |
789 | ||
790 | Float_t dAr = 0.001782; // --- Ar density in g/cm3 --- | |
791 | Float_t x0Ar = 19.55 / dAr; | |
792 | AliMaterial(2, "Argon$", 39.95, 18., dAr, x0Ar, 6.5e4); | |
793 | ||
794 | // --- CO2 --- | |
795 | ||
796 | Float_t aCO2[2] = { 12.,16. }; | |
797 | Float_t zCO2[2] = { 6.,8. }; | |
798 | Float_t wCO2[2] = { 1.,2. }; | |
799 | Float_t dCO2 = 0.001977; | |
800 | AliMixture(3, "CO2 $", aCO2, zCO2, dCO2, -2, wCO2); | |
801 | ||
c4561145 | 802 | AliMaterial(4, "Al $", 26.98, 13., 2.7, 8.9, 18.5); |
f017d70a | 803 | |
804 | // ArCO2 | |
805 | ||
806 | Float_t aArCO2[3] = {39.948,12.0107,15.9994}; | |
807 | Float_t zArCO2[3] = {18.,6.,8.}; | |
808 | Float_t wArCO2[3] = {0.7,0.08,0.22}; | |
809 | Float_t dArCO2 = dAr * 0.7 + dCO2 * 0.3; | |
810 | AliMixture(5, "ArCO2$", aArCO2, zArCO2, dArCO2, 3, wArCO2); | |
811 | ||
c4561145 | 812 | AliMaterial(6, "Fe $", 55.85, 26., 7.87, 1.76, 18.5); |
f017d70a | 813 | |
814 | // G10 | |
c4561145 | 815 | |
f017d70a | 816 | Float_t aG10[4]={1.,12.011,15.9994,28.086}; |
817 | Float_t zG10[4]={1.,6.,8.,14.}; | |
d49fe99a | 818 | //PH Float_t wG10[4]={0.148648649,0.104054054,0.483499056,0.241666667}; |
819 | Float_t wG10[4]={0.15201,0.10641,0.49444,0.24714}; | |
f017d70a | 820 | AliMixture(8,"G10",aG10,zG10,1.7,4,wG10); |
c4561145 | 821 | |
f017d70a | 822 | AliMaterial(15, "Cu $", 63.54, 29., 8.96, 1.43, 15.); |
823 | ||
824 | // Steel | |
825 | Float_t aSteel[4] = { 55.847,51.9961,58.6934,28.0855 }; | |
826 | Float_t zSteel[4] = { 26.,24.,28.,14. }; | |
827 | Float_t wSteel[4] = { .715,.18,.1,.005 }; | |
828 | Float_t dSteel = 7.88; | |
829 | AliMixture(19, "STAINLESS STEEL$", aSteel, zSteel, dSteel, 4, wSteel); | |
830 | ||
831 | //Air | |
832 | ||
833 | Float_t aAir[4]={12.0107,14.0067,15.9994,39.948}; | |
834 | Float_t zAir[4]={6.,7.,8.,18.}; | |
835 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; | |
836 | Float_t dAir1 = 1.20479E-10; | |
837 | Float_t dAir = 1.20479E-3; | |
838 | AliMixture(98, "Vacum$", aAir, zAir, dAir1, 4, wAir); | |
839 | AliMixture(99, "Air $", aAir, zAir, dAir , 4, wAir); | |
840 | ||
c4561145 | 841 | // Define tracking media |
f017d70a | 842 | AliMedium(1, "Pb conv.$", 1, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1); |
843 | AliMedium(4, "Al $", 4, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); | |
844 | AliMedium(5, "ArCO2 $", 5, 1, 0, isxfld, sxmgmx, .1, .1, .10, .1); | |
845 | AliMedium(6, "Fe $", 6, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); | |
846 | AliMedium(8, "G10plate$", 8, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1); | |
847 | AliMedium(15, "Cu $", 15, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); | |
848 | AliMedium(19, "S steel$", 19, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1); | |
849 | AliMedium(98, "Vacuum $", 98, 0, 0, isxfld, sxmgmx, 1., .1, .10, 10); | |
850 | AliMedium(99, "Air gaps$", 99, 0, 0, isxfld, sxmgmx, 1., .1, .10, .1); | |
851 | ||
7235aed2 | 852 | } |
853 | ||
854 | //_____________________________________________________________________________ | |
855 | void AliPMDv0::Init() | |
856 | { | |
857 | // | |
858 | // Initialises PMD detector after it has been built | |
859 | // | |
860 | Int_t i; | |
861 | // kdet=1; | |
862 | // | |
863 | if(AliLog::GetGlobalDebugLevel()>0) { | |
864 | printf("\n%s: ",ClassName()); | |
865 | for(i=0;i<35;i++) printf("*"); | |
866 | printf(" PMD_INIT "); | |
867 | for(i=0;i<35;i++) printf("*"); | |
868 | printf("\n%s: ",ClassName()); | |
869 | printf(" PMD simulation package (v0) initialised\n"); | |
870 | printf("%s: parameters of pmd\n", ClassName()); | |
871 | printf("%s: %10.2f %10.2f %10.2f \ | |
872 | %10.2f\n",ClassName(),fgkCellRadius,fgkCellWall,fgkCellDepth,fgkZdist ); | |
873 | printf("%s: ",ClassName()); | |
874 | for(i=0;i<80;i++) printf("*"); | |
875 | printf("\n"); | |
876 | } | |
877 | Int_t *idtmed = fIdtmed->GetArray()-599; | |
878 | fMedSens=idtmed[605-1]; | |
c4561145 | 879 | // --- Generate explicitly delta rays in the iron, aluminium and lead --- |
880 | gMC->Gstpar(idtmed[600], "LOSS", 3.); | |
881 | gMC->Gstpar(idtmed[600], "DRAY", 1.); | |
882 | ||
883 | gMC->Gstpar(idtmed[603], "LOSS", 3.); | |
884 | gMC->Gstpar(idtmed[603], "DRAY", 1.); | |
885 | ||
886 | gMC->Gstpar(idtmed[604], "LOSS", 3.); | |
887 | gMC->Gstpar(idtmed[604], "DRAY", 1.); | |
888 | ||
889 | gMC->Gstpar(idtmed[605], "LOSS", 3.); | |
890 | gMC->Gstpar(idtmed[605], "DRAY", 1.); | |
891 | ||
892 | gMC->Gstpar(idtmed[606], "LOSS", 3.); | |
893 | gMC->Gstpar(idtmed[606], "DRAY", 1.); | |
894 | ||
895 | gMC->Gstpar(idtmed[607], "LOSS", 3.); | |
896 | gMC->Gstpar(idtmed[607], "DRAY", 1.); | |
897 | ||
898 | // --- Energy cut-offs in the Pb and Al to gain time in tracking --- | |
899 | // --- without affecting the hit patterns --- | |
900 | gMC->Gstpar(idtmed[600], "CUTGAM", 1e-4); | |
901 | gMC->Gstpar(idtmed[600], "CUTELE", 1e-4); | |
902 | gMC->Gstpar(idtmed[600], "CUTNEU", 1e-4); | |
903 | gMC->Gstpar(idtmed[600], "CUTHAD", 1e-4); | |
904 | gMC->Gstpar(idtmed[605], "CUTGAM", 1e-4); | |
905 | gMC->Gstpar(idtmed[605], "CUTELE", 1e-4); | |
906 | gMC->Gstpar(idtmed[605], "CUTNEU", 1e-4); | |
907 | gMC->Gstpar(idtmed[605], "CUTHAD", 1e-4); | |
908 | gMC->Gstpar(idtmed[606], "CUTGAM", 1e-4); | |
909 | gMC->Gstpar(idtmed[606], "CUTELE", 1e-4); | |
910 | gMC->Gstpar(idtmed[606], "CUTNEU", 1e-4); | |
911 | gMC->Gstpar(idtmed[606], "CUTHAD", 1e-4); | |
912 | gMC->Gstpar(idtmed[603], "CUTGAM", 1e-4); | |
913 | gMC->Gstpar(idtmed[603], "CUTELE", 1e-4); | |
914 | gMC->Gstpar(idtmed[603], "CUTNEU", 1e-4); | |
915 | gMC->Gstpar(idtmed[603], "CUTHAD", 1e-4); | |
d49fe99a | 916 | // gMC->Gstpar(idtmed[609], "CUTGAM", 1e-4); |
917 | // gMC->Gstpar(idtmed[609], "CUTELE", 1e-4); | |
918 | // gMC->Gstpar(idtmed[609], "CUTNEU", 1e-4); | |
919 | // gMC->Gstpar(idtmed[609], "CUTHAD", 1e-4); | |
c4561145 | 920 | |
921 | // --- Prevent particles stopping in the gas due to energy cut-off --- | |
922 | gMC->Gstpar(idtmed[604], "CUTGAM", 1e-5); | |
923 | gMC->Gstpar(idtmed[604], "CUTELE", 1e-5); | |
924 | gMC->Gstpar(idtmed[604], "CUTNEU", 1e-5); | |
925 | gMC->Gstpar(idtmed[604], "CUTHAD", 1e-5); | |
926 | gMC->Gstpar(idtmed[604], "CUTMUO", 1e-5); | |
927 | } | |
928 | ||
c4561145 | 929 | //_____________________________________________________________________________ |
930 | void AliPMDv0::StepManager() | |
931 | { | |
932 | // | |
933 | // Called at each step in the PMD | |
934 | // | |
935 | Int_t copy; | |
936 | Float_t hits[4], destep; | |
937 | Float_t center[3] = {0,0,0}; | |
938 | Int_t vol[5]; | |
939 | //char *namep; | |
940 | ||
fa914fe6 | 941 | if(gMC->CurrentMedium() == fMedSens && (destep = gMC->Edep())) { |
c4561145 | 942 | |
943 | gMC->CurrentVolID(copy); | |
944 | ||
945 | //namep=gMC->CurrentVolName(); | |
946 | //printf("Current vol is %s \n",namep); | |
947 | ||
948 | vol[0]=copy; | |
949 | gMC->CurrentVolOffID(1,copy); | |
950 | ||
951 | //namep=gMC->CurrentVolOffName(1); | |
952 | //printf("Current vol 11 is %s \n",namep); | |
953 | ||
954 | vol[1]=copy; | |
955 | gMC->CurrentVolOffID(2,copy); | |
956 | ||
957 | //namep=gMC->CurrentVolOffName(2); | |
958 | //printf("Current vol 22 is %s \n",namep); | |
959 | ||
960 | vol[2]=copy; | |
961 | ||
962 | // if(strncmp(namep,"EHC1",4))vol[2]=1; | |
963 | ||
964 | gMC->CurrentVolOffID(3,copy); | |
965 | ||
966 | //namep=gMC->CurrentVolOffName(3); | |
967 | //printf("Current vol 33 is %s \n",namep); | |
968 | ||
969 | vol[3]=copy; | |
970 | gMC->CurrentVolOffID(4,copy); | |
971 | ||
972 | //namep=gMC->CurrentVolOffName(4); | |
973 | //printf("Current vol 44 is %s \n",namep); | |
974 | ||
975 | vol[4]=copy; | |
976 | //printf("volume number %d,%d,%d,%d,%d,%f \n",vol[0],vol[1],vol[2],vol[3],vol[4],destep*1000000); | |
977 | ||
978 | gMC->Gdtom(center,hits,1); | |
979 | hits[3] = destep*1e9; //Number in eV | |
5d12ce38 | 980 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits); |
c4561145 | 981 | } |
982 | } | |
983 | ||
984 | ||
985 | //------------------------------------------------------------------------ | |
986 | // Get parameters | |
987 | ||
988 | void AliPMDv0::GetParameters() | |
989 | { | |
86bd0ac4 | 990 | // This gives all the parameters of the detector |
991 | // such as Length of Supermodules | |
992 | // thickness of the Supermodule | |
993 | // | |
994 | Int_t ncellum, numum; | |
995 | ncellum = 24; | |
996 | numum = 3; | |
997 | fNcellSM = ncellum * numum; //no. of cells in a row in one supermodule | |
998 | fSMLength = (fNcellSM + 0.25 )*fgkCellRadius*2.; | |
999 | fSMthick = fgkThBase + fgkThAir + fgkThPCB + fgkCellDepth + | |
1000 | fgkThPCB + fgkThAir + fgkThPCB; | |
c4561145 | 1001 | } |