| 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 | |
| 88cb7938 |
32 | #include "Riostream.h" |
| 88cb7938 |
33 | #include <TVirtualMC.h> |
| c4561145 |
34 | #include "AliConst.h" |
| 35 | #include "AliMagF.h" |
| 88cb7938 |
36 | #include "AliPMDv0.h" |
| 37 | #include "AliRun.h" |
| 5d12ce38 |
38 | #include "AliMC.h" |
| 86bd0ac4 |
39 | |
| 40 | const Int_t AliPMDv0::fgkNcellHole = 24; // Hole dimension |
| 41 | const Float_t AliPMDv0::fgkCellRadius = 0.25; // Radius of a hexagonal cell |
| 42 | const Float_t AliPMDv0::fgkCellWall = 0.02; // Thickness of cell Wall |
| 43 | const Float_t AliPMDv0::fgkCellDepth = 0.50; // Gas thickness |
| 44 | const Float_t AliPMDv0::fgkBoundary = 0.7; // Thickness of Boundary wall |
| 45 | const Float_t AliPMDv0::fgkThBase = 0.3; // Thickness of Base plate |
| 46 | const Float_t AliPMDv0::fgkThAir = 0.1; // Thickness of Air |
| 47 | const Float_t AliPMDv0::fgkThPCB = 0.16; // Thickness of PCB |
| 48 | const Float_t AliPMDv0::fgkThLead = 1.5; // Thickness of Pb |
| 49 | const Float_t AliPMDv0::fgkThSteel = 0.5; // Thickness of Steel |
| 50 | const Float_t AliPMDv0::fgkZdist = 361.5; // z-position of the detector |
| 51 | const Float_t AliPMDv0::fgkSqroot3 = 1.7320508;// Square Root of 3 |
| 52 | const Float_t AliPMDv0::fgkSqroot3by2 = 0.8660254;// Square Root of 3 by 2 |
| 53 | const Float_t AliPMDv0::fgkPi = 3.14159; // pi |
| c4561145 |
54 | |
| 55 | ClassImp(AliPMDv0) |
| 56 | |
| 86bd0ac4 |
57 | //_____________________________________________________________________________ |
| c4561145 |
58 | AliPMDv0::AliPMDv0() |
| 59 | { |
| 60 | // |
| 61 | // Default constructor |
| 62 | // |
| 63 | fMedSens=0; |
| 64 | } |
| 65 | |
| 66 | //_____________________________________________________________________________ |
| 67 | AliPMDv0::AliPMDv0(const char *name, const char *title) |
| 68 | : AliPMD(name,title) |
| 69 | { |
| 70 | // |
| 71 | // Standard constructor |
| 72 | // |
| 73 | fMedSens=0; |
| 74 | } |
| 75 | |
| 76 | //_____________________________________________________________________________ |
| 77 | void AliPMDv0::CreateGeometry() |
| 78 | { |
| 79 | // |
| 80 | // Create geometry for Photon Multiplicity Detector Version 3 : |
| 81 | // April 2, 2001 |
| 82 | // |
| 83 | //Begin_Html |
| 84 | /* |
| 85 | <img src="picts/AliPMDv0.gif"> |
| 86 | */ |
| 87 | //End_Html |
| 88 | //Begin_Html |
| 89 | /* |
| 90 | <img src="picts/AliPMDv0Tree.gif"> |
| 91 | */ |
| 92 | //End_Html |
| 93 | GetParameters(); |
| 94 | CreateSupermodule(); |
| 95 | CreatePMD(); |
| 96 | } |
| 97 | |
| 98 | //_____________________________________________________________________________ |
| 99 | void AliPMDv0::CreateSupermodule() |
| 100 | { |
| 101 | // |
| 102 | // Creates the geometry of the cells, places them in supermodule which |
| 103 | // is a rhombus object. |
| 104 | |
| 105 | // *** DEFINITION OF THE GEOMETRY OF THE PMD *** |
| 106 | // *** HEXAGONAL CELLS WITH CELL RADIUS 0.25 cm (see "GetParameters") |
| 107 | // -- Author : S. Chattopadhyay, 02/04/1999. |
| 108 | |
| 109 | // Basic unit is ECAR, a hexagonal cell made of Ar+CO2, which is placed inside another |
| 110 | // hexagonal cell made of Cu (ECCU) with larger radius, compared to ECAR. The difference |
| 111 | // in radius gives the dimension of half width of each cell wall. |
| 112 | // These cells are placed as 72 x 72 array in a |
| 113 | // rhombus shaped supermodule (EHC1). The rhombus shaped modules are designed |
| 114 | // to have closed packed structure. |
| 115 | // |
| 116 | // Each supermodule (ESMA, ESMB), made of G10 is filled with following components |
| 117 | // EAIR --> Air gap between gas hexagonal cells and G10 backing. |
| 118 | // EHC1 --> Rhombus shaped parallelopiped containing the hexagonal cells |
| 119 | // EAIR --> Air gap between gas hexagonal cells and G10 backing. |
| 120 | // |
| 121 | // ESMA, ESMB are placed in EMM1 along with EMPB (Pb converter) |
| 122 | // and EMFE (iron support) |
| 123 | |
| 124 | // EMM1 made of |
| 125 | // ESMB --> Normal supermodule, mirror image of ESMA |
| 126 | // EMPB --> Pb converter |
| 127 | // EMFE --> Fe backing |
| 128 | // ESMA --> Normal supermodule |
| 129 | // |
| 130 | // ESMX, ESMY are placed in EMM2 along with EMPB (Pb converter) |
| 131 | // and EMFE (iron support) |
| 132 | |
| 133 | // EMM2 made of |
| 134 | // ESMY --> Special supermodule, mirror image of ESMX, |
| 135 | // EMPB --> Pb converter |
| 136 | // EMFE --> Fe backing |
| 137 | // ESMX --> First of the two Special supermodules near the hole |
| 138 | |
| 139 | // EMM3 made of |
| 140 | // ESMQ --> Special supermodule, mirror image of ESMX, |
| 141 | // EMPB --> Pb converter |
| 142 | // EMFE --> Fe backing |
| 143 | // ESMP --> Second of the two Special supermodules near the hole |
| 144 | |
| 145 | // EMM2 and EMM3 are used to create the hexagonal HOLE |
| 146 | |
| 147 | // |
| 148 | // EPMD |
| 149 | // | |
| 150 | // | |
| 151 | // --------------------------------------------------------------------------- |
| 152 | // | | | | | |
| 153 | // EHOL EMM1 EMM2 EMM3 EALM |
| 154 | // | | | |
| 155 | // -------------------- -------------------- -------------------- |
| 156 | // | | | | | | | | | | | | |
| 157 | // ESMB EMPB EMFE ESMA ESMY EMPB EMFE ESMX ESMQ EMPB EMFE ESMP |
| 158 | // | | | |
| 159 | // ------------ ------------ ------------- |
| 160 | // | | | | | | | | | |
| 161 | // EAIR EHC1 EAIR EAIR EHC2 EAIR EAIR EHC3 EAIR |
| 162 | // | | | |
| 163 | // ECCU ECCU ECCU |
| 164 | // | | | |
| 165 | // ECAR ECAR ECAR |
| 166 | |
| 167 | |
| 168 | Int_t i, j; |
| 169 | Float_t xb, yb, zb; |
| 170 | Int_t number; |
| 171 | Int_t ihrotm,irotdm; |
| c4561145 |
172 | Int_t *idtmed = fIdtmed->GetArray()-599; |
| 173 | |
| 174 | AliMatrix(ihrotm, 90., 30., 90., 120., 0., 0.); |
| 175 | AliMatrix(irotdm, 90., 180., 90., 270., 180., 0.); |
| 176 | |
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177 | //Subhasis, dimensional parameters of rhombus (dpara) as given to gsvolu |
| 178 | // rhombus to accomodate 72 x 72 hexagons, and with total 1.2cm extension |
| 179 | //(1mm tolerance on both side and 5mm thick G10 wall) |
| 180 | // |
| c4561145 |
181 | // **** CELL SIZE 20 mm^2 EQUIVALENT |
| c4561145 |
182 | // Inner hexagon filled with gas (Ar+CO2) |
| 183 | |
| 184 | Float_t hexd2[10] = {0.,360.,6,2,-0.25,0.,0.23,0.25,0.,0.23}; |
| 185 | |
| 86bd0ac4 |
186 | hexd2[4]= -fgkCellDepth/2.; |
| 187 | hexd2[7]= fgkCellDepth/2.; |
| 188 | hexd2[6]= fgkCellRadius - fgkCellWall; |
| 189 | hexd2[9]= fgkCellRadius - fgkCellWall; |
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190 | |
| 86bd0ac4 |
191 | // Gas replaced by vacuum for v0(insensitive) version of PMD. |
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192 | |
| 193 | gMC->Gsvolu("ECAR", "PGON", idtmed[697], hexd2,10); |
| 194 | gMC->Gsatt("ECAR", "SEEN", 0); |
| 86bd0ac4 |
195 | |
| c4561145 |
196 | // Outer hexagon made of Copper |
| 86bd0ac4 |
197 | |
| c4561145 |
198 | Float_t hexd1[10] = {0.,360.,6,2,-0.25,0.,0.25,0.25,0.,0.25}; |
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199 | |
| 86bd0ac4 |
200 | hexd1[4]= -fgkCellDepth/2.; |
| 201 | hexd1[7]= fgkCellDepth/2.; |
| 202 | hexd1[6]= fgkCellRadius; |
| 203 | hexd1[9]= fgkCellRadius; |
| c4561145 |
204 | |
| 205 | gMC->Gsvolu("ECCU", "PGON", idtmed[614], hexd1,10); |
| 206 | gMC->Gsatt("ECCU", "SEEN", 1); |
| 207 | |
| 208 | // --- place inner hex inside outer hex |
| 209 | |
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210 | gMC->Gspos("ECAR", 1, "ECCU", 0., 0., 0., 0, "ONLY"); |
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211 | |
| 86bd0ac4 |
212 | // Rhombus shaped supermodules (defined by PARA) |
| 213 | |
| 214 | // volume for SUPERMODULE |
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215 | |
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216 | Float_t dparasm1[6] = {12.5,12.5,0.8,30.,0.,0.}; |
| 217 | dparasm1[0] = (fNcellSM+0.25)*hexd1[6] ; |
| 218 | dparasm1[1] = dparasm1[0] *fgkSqroot3by2; |
| 219 | dparasm1[2] = fSMthick/2.; |
| 220 | |
| 221 | // |
| 222 | gMC->Gsvolu("ESMA","PARA", idtmed[607], dparasm1, 6); |
| c4561145 |
223 | gMC->Gsatt("ESMA", "SEEN", 0); |
| 224 | // |
| 86bd0ac4 |
225 | gMC->Gsvolu("ESMB","PARA", idtmed[607], dparasm1, 6); |
| c4561145 |
226 | gMC->Gsatt("ESMB", "SEEN", 0); |
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227 | |
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228 | // Air residing between the PCB and the base |
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229 | |
| 230 | Float_t dparaair[6] = {12.5,12.5,8.,30.,0.,0.}; |
| 231 | dparaair[0]= dparasm1[0]; |
| 232 | dparaair[1]= dparasm1[1]; |
| 233 | dparaair[2]= fgkThAir/2.; |
| 234 | |
| 235 | gMC->Gsvolu("EAIR","PARA", idtmed[698], dparaair, 6); |
| c4561145 |
236 | gMC->Gsatt("EAIR", "SEEN", 0); |
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237 | |
| c4561145 |
238 | // volume for honeycomb chamber EHC1 |
| 86bd0ac4 |
239 | |
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240 | Float_t dpara1[6] = {12.5,12.5,0.4,30.,0.,0.}; |
| 86bd0ac4 |
241 | dpara1[0] = dparasm1[0]; |
| 242 | dpara1[1] = dparasm1[1]; |
| 243 | dpara1[2] = fgkCellDepth/2.; |
| c4561145 |
244 | |
| 245 | gMC->Gsvolu("EHC1","PARA", idtmed[698], dpara1, 6); |
| 246 | gMC->Gsatt("EHC1", "SEEN", 1); |
| 247 | |
| c4561145 |
248 | // Place hexagonal cells ECCU cells inside EHC1 (72 X 72) |
| 249 | |
| 86bd0ac4 |
250 | Int_t xrow = 1; |
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251 | |
| 86bd0ac4 |
252 | yb = -dpara1[1] + (1./fgkSqroot3by2)*hexd1[6]; |
| c4561145 |
253 | zb = 0.; |
| 254 | |
| 86bd0ac4 |
255 | for (j = 1; j <= fNcellSM; ++j) { |
| c4561145 |
256 | xb =-(dpara1[0] + dpara1[1]*0.577) + 2*hexd1[6]; //0.577=tan(30deg) |
| 257 | if(xrow >= 2){ |
| 258 | xb = xb+(xrow-1)*hexd1[6]; |
| 259 | } |
| 86bd0ac4 |
260 | for (i = 1; i <= fNcellSM; ++i) { |
| 261 | number = i+(j-1)*fNcellSM; |
| ef61784c |
262 | gMC->Gspos("ECCU", number, "EHC1", xb,yb,zb, ihrotm, "ONLY"); |
| c4561145 |
263 | xb += (hexd1[6]*2.); |
| 264 | } |
| 265 | xrow = xrow+1; |
| 86bd0ac4 |
266 | yb += (hexd1[6]*fgkSqroot3); |
| c4561145 |
267 | } |
| 268 | |
| 269 | |
| 270 | // Place EHC1 and EAIR into ESMA and ESMB |
| 271 | |
| 86bd0ac4 |
272 | Float_t zAir1,zAir2,zGas; |
| c4561145 |
273 | |
| 274 | //ESMA is normal supermodule with base at bottom, with EHC1 |
| 86bd0ac4 |
275 | zAir1= -dparasm1[2] + fgkThBase + dparaair[2]; |
| 276 | gMC->Gspos("EAIR", 1, "ESMA", 0., 0., zAir1, 0, "ONLY"); |
| 277 | zGas=zAir1+dparaair[2]+ fgkThPCB + dpara1[2]; |
| 76ad67b5 |
278 | //Line below Commented for version 0 of PMD routine |
| 86bd0ac4 |
279 | // gMC->Gspos("EHC1", 1, "ESMA", 0., 0., zGas, 0, "ONLY"); |
| 280 | zAir2=zGas+dpara1[2]+ fgkThPCB + dparaair[2]; |
| 281 | gMC->Gspos("EAIR", 2, "ESMA", 0., 0., zAir2, 0, "ONLY"); |
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282 | |
| 283 | // ESMB is mirror image of ESMA, with base at top, with EHC1 |
| 284 | |
| 86bd0ac4 |
285 | zAir1= -dparasm1[2] + fgkThPCB + dparaair[2]; |
| 286 | gMC->Gspos("EAIR", 3, "ESMB", 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", 2, "ESMB", 0., 0., zGas, 0, "ONLY"); |
| 290 | zAir2=zGas+dpara1[2]+ fgkThPCB + dparaair[2]; |
| 291 | gMC->Gspos("EAIR", 4, "ESMB", 0., 0., zAir2, 0, "ONLY"); |
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292 | |
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293 | |
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294 | // special supermodule EMM2(GEANT only) containing 6 unit modules |
| 295 | // volume for SUPERMODULE |
| c4561145 |
296 | |
| 86bd0ac4 |
297 | Float_t dparasm2[6] = {12.5,12.5,0.8,30.,0.,0.}; |
| 298 | dparasm2[0]=(fNcellSM+0.25)*hexd1[6] ; |
| 299 | dparasm2[1] = (fNcellSM - fgkNcellHole + 0.25) * fgkSqroot3by2 * hexd1[6]; |
| 300 | dparasm2[2] = fSMthick/2.; |
| c4561145 |
301 | |
| 86bd0ac4 |
302 | gMC->Gsvolu("ESMX","PARA", idtmed[607], dparasm2, 6); |
| c4561145 |
303 | gMC->Gsatt("ESMX", "SEEN", 0); |
| 304 | // |
| 86bd0ac4 |
305 | gMC->Gsvolu("ESMY","PARA", idtmed[607], dparasm2, 6); |
| c4561145 |
306 | gMC->Gsatt("ESMY", "SEEN", 0); |
| 307 | |
| 308 | Float_t dpara2[6] = {12.5,12.5,0.4,30.,0.,0.}; |
| 86bd0ac4 |
309 | dpara2[0] = dparasm2[0]; |
| 310 | dpara2[1] = dparasm2[1]; |
| 311 | dpara2[2] = fgkCellDepth/2.; |
| c4561145 |
312 | |
| 313 | gMC->Gsvolu("EHC2","PARA", idtmed[698], dpara2, 6); |
| 314 | gMC->Gsatt("EHC2", "SEEN", 1); |
| 315 | |
| 316 | |
| 317 | // Air residing between the PCB and the base |
| 318 | |
| 86bd0ac4 |
319 | Float_t dpara2Air[6] = {12.5,12.5,8.,30.,0.,0.}; |
| 320 | dpara2Air[0]= dparasm2[0]; |
| 321 | dpara2Air[1]= dparasm2[1]; |
| 322 | dpara2Air[2]= fgkThAir/2.; |
| c4561145 |
323 | |
| 86bd0ac4 |
324 | gMC->Gsvolu("EAIX","PARA", idtmed[698], dpara2Air, 6); |
| c4561145 |
325 | gMC->Gsatt("EAIX", "SEEN", 0); |
| 326 | |
| 327 | // Place hexagonal single cells ECCU inside EHC2 |
| 328 | // skip cells which go into the hole in top left corner. |
| 329 | |
| 330 | xrow=1; |
| 86bd0ac4 |
331 | yb = -dpara2[1] + (1./fgkSqroot3by2)*hexd1[6]; |
| c4561145 |
332 | zb = 0.; |
| 86bd0ac4 |
333 | for (j = 1; j <= (fNcellSM - fgkNcellHole); ++j) { |
| c4561145 |
334 | xb =-(dpara2[0] + dpara2[1]*0.577) + 2*hexd1[6]; |
| 335 | if(xrow >= 2){ |
| 336 | xb = xb+(xrow-1)*hexd1[6]; |
| 337 | } |
| 86bd0ac4 |
338 | for (i = 1; i <= fNcellSM; ++i) { |
| 339 | number = i+(j-1)*fNcellSM; |
| ef61784c |
340 | gMC->Gspos("ECCU", number, "EHC2", xb,yb,zb, ihrotm, "ONLY"); |
| c4561145 |
341 | xb += (hexd1[6]*2.); |
| 342 | } |
| 343 | xrow = xrow+1; |
| 86bd0ac4 |
344 | yb += (hexd1[6]*fgkSqroot3); |
| c4561145 |
345 | } |
| 346 | |
| 347 | |
| 348 | // ESMX is normal supermodule with base at bottom, with EHC2 |
| 349 | |
| 86bd0ac4 |
350 | zAir1= -dparasm2[2] + fgkThBase + dpara2Air[2]; |
| 351 | gMC->Gspos("EAIX", 1, "ESMX", 0., 0., zAir1, 0, "ONLY"); |
| 352 | zGas=zAir1+dpara2Air[2]+ fgkThPCB + dpara2[2]; |
| 76ad67b5 |
353 | //Line below Commented for version 0 of PMD routine |
| 86bd0ac4 |
354 | // gMC->Gspos("EHC2", 1, "ESMX", 0., 0., zGas, 0, "ONLY"); |
| 355 | zAir2=zGas+dpara2[2]+ fgkThPCB + dpara2Air[2]; |
| 356 | gMC->Gspos("EAIX", 2, "ESMX", 0., 0., zAir2, 0, "ONLY"); |
| c4561145 |
357 | |
| 358 | // ESMY is mirror image of ESMX with base at bottom, with EHC2 |
| 359 | |
| 86bd0ac4 |
360 | zAir1= -dparasm2[2] + fgkThPCB + dpara2Air[2]; |
| 361 | gMC->Gspos("EAIX", 3, "ESMY", 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", 2, "ESMY", 0., 0., zGas, 0, "ONLY"); |
| 365 | zAir2=zGas+dpara2[2]+ fgkThPCB + dpara2Air[2]; |
| 366 | gMC->Gspos("EAIX", 4, "ESMY", 0., 0., zAir2, 0, "ONLY"); |
| c4561145 |
367 | |
| 86bd0ac4 |
368 | // |
| 369 | // special supermodule EMM3 (GEANT only) containing 2 unit modules |
| 370 | // volume for SUPERMODULE |
| 371 | // |
| 372 | Float_t dparaSM3[6] = {12.5,12.5,0.8,30.,0.,0.}; |
| 373 | dparaSM3[0]=(fNcellSM - fgkNcellHole +0.25)*hexd1[6] ; |
| 374 | dparaSM3[1] = (fgkNcellHole + 0.25) * hexd1[6] * fgkSqroot3by2; |
| 375 | dparaSM3[2] = fSMthick/2.; |
| c4561145 |
376 | |
| 86bd0ac4 |
377 | gMC->Gsvolu("ESMP","PARA", idtmed[607], dparaSM3, 6); |
| c4561145 |
378 | gMC->Gsatt("ESMP", "SEEN", 0); |
| 379 | // |
| 86bd0ac4 |
380 | gMC->Gsvolu("ESMQ","PARA", idtmed[607], dparaSM3, 6); |
| c4561145 |
381 | gMC->Gsatt("ESMQ", "SEEN", 0); |
| 382 | |
| 383 | Float_t dpara3[6] = {12.5,12.5,0.4,30.,0.,0.}; |
| 86bd0ac4 |
384 | dpara3[0] = dparaSM3[0]; |
| 385 | dpara3[1] = dparaSM3[1]; |
| 386 | dpara3[2] = fgkCellDepth/2.; |
| c4561145 |
387 | |
| 388 | gMC->Gsvolu("EHC3","PARA", idtmed[698], dpara3, 6); |
| 389 | gMC->Gsatt("EHC3", "SEEN", 1); |
| 390 | |
| c4561145 |
391 | // Air residing between the PCB and the base |
| 392 | |
| 86bd0ac4 |
393 | Float_t dpara3Air[6] = {12.5,12.5,8.,30.,0.,0.}; |
| 394 | dpara3Air[0]= dparaSM3[0]; |
| 395 | dpara3Air[1]= dparaSM3[1]; |
| 396 | dpara3Air[2]= fgkThAir/2.; |
| c4561145 |
397 | |
| 86bd0ac4 |
398 | gMC->Gsvolu("EAIP","PARA", idtmed[698], dpara3Air, 6); |
| c4561145 |
399 | gMC->Gsatt("EAIP", "SEEN", 0); |
| 400 | |
| 401 | |
| 402 | // Place hexagonal single cells ECCU inside EHC3 |
| 403 | // skip cells which go into the hole in top left corner. |
| 404 | |
| 405 | xrow=1; |
| 86bd0ac4 |
406 | yb = -dpara3[1] + (1./fgkSqroot3by2)*hexd1[6]; |
| c4561145 |
407 | zb = 0.; |
| 86bd0ac4 |
408 | for (j = 1; j <= fgkNcellHole; ++j) { |
| c4561145 |
409 | xb =-(dpara3[0] + dpara3[1]*0.577) + 2*hexd1[6]; |
| 410 | if(xrow >= 2){ |
| 411 | xb = xb+(xrow-1)*hexd1[6]; |
| 412 | } |
| 86bd0ac4 |
413 | for (i = 1; i <= (fNcellSM - fgkNcellHole); ++i) { |
| 414 | number = i+(j-1)*(fNcellSM - fgkNcellHole); |
| ef61784c |
415 | gMC->Gspos("ECCU", number, "EHC3", xb,yb,zb, ihrotm, "ONLY"); |
| c4561145 |
416 | xb += (hexd1[6]*2.); |
| 417 | } |
| 418 | xrow = xrow+1; |
| 86bd0ac4 |
419 | yb += (hexd1[6]*fgkSqroot3); |
| c4561145 |
420 | } |
| 421 | |
| 422 | // ESMP is normal supermodule with base at bottom, with EHC3 |
| 423 | |
| 86bd0ac4 |
424 | zAir1= -dparaSM3[2] + fgkThBase + dpara3Air[2]; |
| 425 | gMC->Gspos("EAIP", 1, "ESMP", 0., 0., zAir1, 0, "ONLY"); |
| 426 | zGas=zAir1+dpara3Air[2]+ fgkThPCB + dpara3[2]; |
| 76ad67b5 |
427 | //Line below Commented for version 0 of PMD routine |
| 86bd0ac4 |
428 | // gMC->Gspos("EHC3", 1, "ESMP", 0., 0., zGas, 0, "ONLY"); |
| 429 | zAir2=zGas+dpara3[2]+ fgkThPCB + dpara3Air[2]; |
| 430 | gMC->Gspos("EAIP", 2, "ESMP", 0., 0., zAir2, 0, "ONLY"); |
| 431 | |
| c4561145 |
432 | // ESMQ is mirror image of ESMP with base at bottom, with EHC3 |
| 433 | |
| 86bd0ac4 |
434 | zAir1= -dparaSM3[2] + fgkThPCB + dpara3Air[2]; |
| 435 | gMC->Gspos("EAIP", 3, "ESMQ", 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", 2, "ESMQ", 0., 0., zGas, 0, "ONLY"); |
| 439 | zAir2=zGas+dpara3[2]+ fgkThPCB + dpara3Air[2]; |
| 440 | gMC->Gspos("EAIP", 4, "ESMQ", 0., 0., zAir2, 0, "ONLY"); |
| 441 | |
| c4561145 |
442 | } |
| 86bd0ac4 |
443 | |
| c4561145 |
444 | //_____________________________________________________________________________ |
| 445 | |
| 446 | void AliPMDv0::CreatePMD() |
| 447 | { |
| 448 | // |
| 449 | // Create final detector from supermodules |
| 450 | // |
| 451 | // -- Author : Y.P. VIYOGI, 07/05/1996. |
| 452 | // -- Modified: P.V.K.S.Baba(JU), 15-12-97. |
| 453 | // -- Modified: For New Geometry YPV, March 2001. |
| 454 | |
| c4561145 |
455 | Float_t xp, yp, zp; |
| 86bd0ac4 |
456 | Int_t i,j; |
| 457 | Int_t nummod; |
| c4561145 |
458 | Int_t jhrot12,jhrot13, irotdm; |
| c4561145 |
459 | Int_t *idtmed = fIdtmed->GetArray()-599; |
| 460 | |
| 461 | // VOLUMES Names : begining with "E" for all PMD volumes, |
| 462 | // The names of SIZE variables begin with S and have more meaningful |
| 463 | // characters as shown below. |
| c4561145 |
464 | // VOLUME SIZE MEDIUM : REMARKS |
| 465 | // ------ ----- ------ : --------------------------- |
| c4561145 |
466 | // EPMD GASPMD AIR : INSIDE PMD and its SIZE |
| c4561145 |
467 | // *** Define the EPMD Volume and fill with air *** |
| c4561145 |
468 | // Gaspmd, the dimension of HEXAGONAL mother volume of PMD, |
| 469 | |
| 470 | |
| 471 | Float_t gaspmd[10] = {0.,360.,6,2,-4.,12.,150.,4.,12.,150.}; |
| 472 | |
| 86bd0ac4 |
473 | gaspmd[5] = fgkNcellHole * fgkCellRadius * 2. * fgkSqroot3by2; |
| c4561145 |
474 | gaspmd[8] = gaspmd[5]; |
| 475 | |
| 476 | gMC->Gsvolu("EPMD", "PGON", idtmed[698], gaspmd, 10); |
| 477 | gMC->Gsatt("EPMD", "SEEN", 0); |
| 478 | |
| 479 | AliMatrix(irotdm, 90., 0., 90., 90., 180., 0.); |
| 480 | |
| 481 | AliMatrix(jhrot12, 90., 120., 90., 210., 0., 0.); |
| 482 | AliMatrix(jhrot13, 90., 240., 90., 330., 0., 0.); |
| 483 | |
| 484 | |
| 86bd0ac4 |
485 | Float_t dmthick = 2. * fSMthick + fgkThLead + fgkThSteel; |
| c4561145 |
486 | |
| 86bd0ac4 |
487 | // dparaemm1 array contains parameters of the imaginary volume EMM1, |
| c4561145 |
488 | // EMM1 is a master module of type 1, which has 24 copies in the PMD. |
| 489 | // EMM1 : normal volume as in old cases |
| 490 | |
| 491 | |
| 86bd0ac4 |
492 | Float_t dparaemm1[6] = {12.5,12.5,0.8,30.,0.,0.}; |
| 493 | dparaemm1[0] = fSMLength/2.; |
| 494 | dparaemm1[1] = dparaemm1[0] *fgkSqroot3by2; |
| 495 | dparaemm1[2] = dmthick/2.; |
| c4561145 |
496 | |
| 86bd0ac4 |
497 | gMC->Gsvolu("EMM1","PARA", idtmed[698], dparaemm1, 6); |
| c4561145 |
498 | gMC->Gsatt("EMM1", "SEEN", 1); |
| 499 | |
| 500 | // |
| 501 | // --- DEFINE Modules, iron, and lead volumes |
| c4561145 |
502 | // Pb Convertor for EMM1 |
| c4561145 |
503 | |
| 86bd0ac4 |
504 | Float_t dparapb1[6] = {12.5,12.5,8.,30.,0.,0.}; |
| 505 | dparapb1[0] = fSMLength/2.; |
| 506 | dparapb1[1] = dparapb1[0] * fgkSqroot3by2; |
| 507 | dparapb1[2] = fgkThLead/2.; |
| 508 | |
| 509 | gMC->Gsvolu("EPB1","PARA", idtmed[600], dparapb1, 6); |
| c4561145 |
510 | gMC->Gsatt ("EPB1", "SEEN", 0); |
| 511 | |
| 512 | // Fe Support for EMM1 |
| 86bd0ac4 |
513 | Float_t dparafe1[6] = {12.5,12.5,8.,30.,0.,0.}; |
| 514 | dparafe1[0] = dparapb1[0]; |
| 515 | dparafe1[1] = dparapb1[1]; |
| 516 | dparafe1[2] = fgkThSteel/2.; |
| c4561145 |
517 | |
| 86bd0ac4 |
518 | gMC->Gsvolu("EFE1","PARA", idtmed[618], dparafe1, 6); |
| c4561145 |
519 | gMC->Gsatt ("EFE1", "SEEN", 0); |
| 520 | |
| c4561145 |
521 | // |
| 522 | // position supermodule ESMA, ESMB, EPB1, EFE1 inside EMM1 |
| 523 | |
| 86bd0ac4 |
524 | Float_t zps,zpb,zfe,zcv; |
| c4561145 |
525 | |
| 86bd0ac4 |
526 | zps = -dparaemm1[2] + fSMthick/2.; |
| 527 | gMC->Gspos("ESMB", 1, "EMM1", 0., 0., zps, 0, "ONLY"); |
| 528 | zpb = zps+fSMthick/2.+dparapb1[2]; |
| 529 | gMC->Gspos("EPB1", 1, "EMM1", 0., 0., zpb, 0, "ONLY"); |
| 530 | zfe = zpb+dparapb1[2]+dparafe1[2]; |
| 531 | gMC->Gspos("EFE1", 1, "EMM1", 0., 0., zfe, 0, "ONLY"); |
| 532 | zcv = zfe+dparafe1[2]+fSMthick/2.; |
| 533 | gMC->Gspos("ESMA", 1, "EMM1", 0., 0., zcv, 0, "ONLY"); |
| c4561145 |
534 | |
| 535 | // EMM2 : special master module having full row of cells but the number |
| 536 | // of rows limited by hole. |
| 537 | |
| 86bd0ac4 |
538 | Float_t dparaemm2[6] = {12.5,12.5,0.8,30.,0.,0.}; |
| 539 | dparaemm2[0] = fSMLength/2.; |
| 540 | dparaemm2[1] = (fNcellSM - fgkNcellHole + 0.25)*fgkCellRadius*fgkSqroot3by2; |
| 541 | dparaemm2[2] = dmthick/2.; |
| c4561145 |
542 | |
| 86bd0ac4 |
543 | gMC->Gsvolu("EMM2","PARA", idtmed[698], dparaemm2, 6); |
| c4561145 |
544 | gMC->Gsatt("EMM2", "SEEN", 1); |
| 545 | |
| c4561145 |
546 | // Pb Convertor for EMM2 |
| 86bd0ac4 |
547 | Float_t dparapb2[6] = {12.5,12.5,8.,30.,0.,0.}; |
| 548 | dparapb2[0] = dparaemm2[0]; |
| 549 | dparapb2[1] = dparaemm2[1]; |
| 550 | dparapb2[2] = fgkThLead/2.; |
| c4561145 |
551 | |
| 86bd0ac4 |
552 | gMC->Gsvolu("EPB2","PARA", idtmed[600], dparapb2, 6); |
| c4561145 |
553 | gMC->Gsatt ("EPB2", "SEEN", 0); |
| 554 | |
| 555 | // Fe Support for EMM2 |
| 86bd0ac4 |
556 | Float_t dparafe2[6] = {12.5,12.5,8.,30.,0.,0.}; |
| 557 | dparafe2[0] = dparapb2[0]; |
| 558 | dparafe2[1] = dparapb2[1]; |
| 559 | dparafe2[2] = fgkThSteel/2.; |
| c4561145 |
560 | |
| 86bd0ac4 |
561 | gMC->Gsvolu("EFE2","PARA", idtmed[618], dparafe2, 6); |
| c4561145 |
562 | gMC->Gsatt ("EFE2", "SEEN", 0); |
| 563 | |
| c4561145 |
564 | // position supermodule ESMX, ESMY inside EMM2 |
| 565 | |
| 86bd0ac4 |
566 | zps = -dparaemm2[2] + fSMthick/2.; |
| 567 | gMC->Gspos("ESMY", 1, "EMM2", 0., 0., zps, 0, "ONLY"); |
| 568 | zpb = zps + fSMthick/2.+dparapb2[2]; |
| 569 | gMC->Gspos("EPB2", 1, "EMM2", 0., 0., zpb, 0, "ONLY"); |
| 570 | zfe = zpb + dparapb2[2]+dparafe2[2]; |
| 571 | gMC->Gspos("EFE2", 1, "EMM2", 0., 0., zfe, 0, "ONLY"); |
| 572 | zcv = zfe + dparafe2[2]+fSMthick/2.; |
| 573 | gMC->Gspos("ESMX", 1, "EMM2", 0., 0., zcv, 0, "ONLY"); |
| c4561145 |
574 | // |
| c4561145 |
575 | // EMM3 : special master module having truncated rows and columns of cells |
| 576 | // limited by hole. |
| 577 | |
| 86bd0ac4 |
578 | Float_t dparaemm3[6] = {12.5,12.5,0.8,30.,0.,0.}; |
| 579 | dparaemm3[0] = dparaemm2[1]/fgkSqroot3by2; |
| 580 | dparaemm3[1] = (fgkNcellHole + 0.25) * fgkCellRadius *fgkSqroot3by2; |
| 581 | dparaemm3[2] = dmthick/2.; |
| c4561145 |
582 | |
| 86bd0ac4 |
583 | gMC->Gsvolu("EMM3","PARA", idtmed[698], dparaemm3, 6); |
| c4561145 |
584 | gMC->Gsatt("EMM3", "SEEN", 1); |
| 585 | |
| c4561145 |
586 | // Pb Convertor for EMM3 |
| 86bd0ac4 |
587 | Float_t dparapb3[6] = {12.5,12.5,8.,30.,0.,0.}; |
| 588 | dparapb3[0] = dparaemm3[0]; |
| 589 | dparapb3[1] = dparaemm3[1]; |
| 590 | dparapb3[2] = fgkThLead/2.; |
| c4561145 |
591 | |
| 86bd0ac4 |
592 | gMC->Gsvolu("EPB3","PARA", idtmed[600], dparapb3, 6); |
| c4561145 |
593 | gMC->Gsatt ("EPB3", "SEEN", 0); |
| 594 | |
| 595 | // Fe Support for EMM3 |
| 86bd0ac4 |
596 | Float_t dparafe3[6] = {12.5,12.5,8.,30.,0.,0.}; |
| 597 | dparafe3[0] = dparapb3[0]; |
| 598 | dparafe3[1] = dparapb3[1]; |
| 599 | dparafe3[2] = fgkThSteel/2.; |
| c4561145 |
600 | |
| 86bd0ac4 |
601 | gMC->Gsvolu("EFE3","PARA", idtmed[618], dparafe3, 6); |
| c4561145 |
602 | gMC->Gsatt ("EFE3", "SEEN", 0); |
| 603 | |
| c4561145 |
604 | // position supermodule ESMP, ESMQ inside EMM3 |
| 605 | |
| 86bd0ac4 |
606 | zps = -dparaemm3[2] + fSMthick/2.; |
| 607 | gMC->Gspos("ESMQ", 1, "EMM3", 0., 0., zps, 0, "ONLY"); |
| 608 | zpb = zps + fSMthick/2.+dparapb3[2]; |
| 609 | gMC->Gspos("EPB3", 1, "EMM3", 0., 0., zpb, 0, "ONLY"); |
| 610 | zfe = zpb + dparapb3[2]+dparafe3[2]; |
| 611 | gMC->Gspos("EFE3", 1, "EMM3", 0., 0., zfe, 0, "ONLY"); |
| 612 | zcv = zfe + dparafe3[2] + fSMthick/2.; |
| 613 | gMC->Gspos("ESMP", 1, "EMM3", 0., 0., zcv, 0, "ONLY"); |
| c4561145 |
614 | // |
| 615 | |
| 616 | // EHOL is a tube structure made of air |
| 617 | // |
| 618 | //Float_t d_hole[3]; |
| 619 | //d_hole[0] = 0.; |
| 86bd0ac4 |
620 | //d_hole[1] = fgkNcellHole * fgkCellRadius *2. * fgkSqroot3by2 + boundary; |
| 621 | //d_hole[2] = dmthick/2.; |
| c4561145 |
622 | // |
| 623 | //gMC->Gsvolu("EHOL", "TUBE", idtmed[698], d_hole, 3); |
| 624 | //gMC->Gsatt("EHOL", "SEEN", 1); |
| 625 | |
| 626 | //Al-rod as boundary of the supermodules |
| 627 | |
| 86bd0ac4 |
628 | Float_t alRod[3] ; |
| 629 | alRod[0] = fSMLength * 3/2. - gaspmd[5]/2 - fgkBoundary ; |
| 630 | alRod[1] = fgkBoundary; |
| 631 | alRod[2] = dmthick/2.; |
| c4561145 |
632 | |
| 86bd0ac4 |
633 | gMC->Gsvolu("EALM","BOX ", idtmed[698], alRod, 3); |
| c4561145 |
634 | gMC->Gsatt ("EALM", "SEEN", 1); |
| 635 | Float_t xalm[3]; |
| 86bd0ac4 |
636 | xalm[0]=alRod[0] + gaspmd[5] + 3.0*fgkBoundary; |
| c4561145 |
637 | xalm[1]=-xalm[0]/2.; |
| 638 | xalm[2]=xalm[1]; |
| 639 | |
| 640 | Float_t yalm[3]; |
| 641 | yalm[0]=0.; |
| 86bd0ac4 |
642 | yalm[1]=xalm[0]*fgkSqroot3by2; |
| c4561145 |
643 | yalm[2]=-yalm[1]; |
| 644 | |
| 645 | // delx = full side of the supermodule |
| 86bd0ac4 |
646 | Float_t delx=fSMLength * 3.; |
| 647 | Float_t x1= delx*fgkSqroot3by2 /2.; |
| c4561145 |
648 | Float_t x4=delx/4.; |
| 649 | |
| c4561145 |
650 | // placing master modules and Al-rod in PMD |
| 651 | |
| 86bd0ac4 |
652 | Float_t dx = fSMLength; |
| 653 | Float_t dy = dx * fgkSqroot3by2; |
| c4561145 |
654 | Float_t xsup[9] = {-dx/2., dx/2., 3.*dx/2., |
| 655 | -dx, 0., dx, |
| 656 | -3.*dx/2., -dx/2., dx/2.}; |
| 657 | |
| 658 | Float_t ysup[9] = {dy, dy, dy, |
| 659 | 0., 0., 0., |
| 660 | -dy, -dy, -dy}; |
| 661 | |
| 662 | // xpos and ypos are the x & y coordinates of the centres of EMM1 volumes |
| 663 | |
| 86bd0ac4 |
664 | Float_t xoff = fgkBoundary * TMath::Tan(fgkPi/6.); |
| 665 | Float_t xmod[3]={x4 + xoff , x4 + xoff, -2.*x4-fgkBoundary/fgkSqroot3by2}; |
| 666 | Float_t ymod[3] = {-x1 - fgkBoundary, x1 + fgkBoundary, 0.}; |
| c4561145 |
667 | Float_t xpos[9], ypos[9], x2, y2, x3, y3; |
| 668 | |
| 86bd0ac4 |
669 | Float_t xemm2 = fSMLength/2. - |
| 670 | (fNcellSM + fgkNcellHole + 0.25) * fgkCellRadius * 0.5 |
| c4561145 |
671 | + xoff; |
| 86bd0ac4 |
672 | Float_t yemm2 = -(fNcellSM + fgkNcellHole + 0.25)*fgkCellRadius*fgkSqroot3by2 |
| 673 | - fgkBoundary; |
| c4561145 |
674 | |
| 86bd0ac4 |
675 | Float_t xemm3 = (fNcellSM + 0.5 * fgkNcellHole + 0.25) * fgkCellRadius + |
| 676 | xoff; |
| 677 | Float_t yemm3 = - (fgkNcellHole - 0.25) * fgkCellRadius * fgkSqroot3by2 - |
| 678 | fgkBoundary; |
| c4561145 |
679 | |
| 86bd0ac4 |
680 | Float_t theta[3] = {0., 2.*fgkPi/3., 4.*fgkPi/3.}; |
| c4561145 |
681 | Int_t irotate[3] = {0, jhrot12, jhrot13}; |
| 86bd0ac4 |
682 | |
| 683 | nummod=0; |
| ef61784c |
684 | for (j=0; j<3; ++j) { |
| 685 | gMC->Gspos("EALM", j+1, "EPMD", xalm[j],yalm[j], 0., irotate[j], "ONLY"); |
| 686 | x2=xemm2*TMath::Cos(theta[j]) - yemm2*TMath::Sin(theta[j]); |
| 687 | y2=xemm2*TMath::Sin(theta[j]) + yemm2*TMath::Cos(theta[j]); |
| c4561145 |
688 | |
| ef61784c |
689 | gMC->Gspos("EMM2", j+1, "EPMD", x2,y2, 0., irotate[j], "ONLY"); |
| c4561145 |
690 | |
| ef61784c |
691 | x3=xemm3*TMath::Cos(theta[j]) - yemm3*TMath::Sin(theta[j]); |
| 692 | y3=xemm3*TMath::Sin(theta[j]) + yemm3*TMath::Cos(theta[j]); |
| c4561145 |
693 | |
| ef61784c |
694 | gMC->Gspos("EMM3", j+4, "EPMD", x3,y3, 0., irotate[j], "ONLY"); |
| c4561145 |
695 | |
| ef61784c |
696 | for (i=1; i<9; ++i) { |
| 86bd0ac4 |
697 | xpos[i]=xmod[j] + xsup[i]*TMath::Cos(theta[j]) - |
| 698 | ysup[i]*TMath::Sin(theta[j]); |
| 699 | ypos[i]=ymod[j] + xsup[i]*TMath::Sin(theta[j]) + |
| 700 | ysup[i]*TMath::Cos(theta[j]); |
| 701 | if(fDebug) |
| 702 | printf("%s: %f %f \n", ClassName(), xpos[i], ypos[i]); |
| 703 | |
| 704 | nummod = nummod+1; |
| 705 | |
| 706 | if(fDebug) |
| 707 | printf("\n%s: nummod %d\n",ClassName(),nummod); |
| 708 | |
| 709 | gMC->Gspos("EMM1", nummod + 6, "EPMD", xpos[i],ypos[i], 0., irotate[j], "ONLY"); |
| 710 | |
| 711 | } |
| ef61784c |
712 | } |
| 86bd0ac4 |
713 | |
| 714 | |
| c4561145 |
715 | // place EHOL in the centre of EPMD |
| 716 | // gMC->Gspos("EHOL", 1, "EPMD", 0.,0.,0., 0, "ONLY"); |
| 86bd0ac4 |
717 | |
| c4561145 |
718 | // --- Place the EPMD in ALICE |
| 719 | xp = 0.; |
| 720 | yp = 0.; |
| 86bd0ac4 |
721 | zp = fgkZdist; |
| c4561145 |
722 | |
| 723 | gMC->Gspos("EPMD", 1, "ALIC", xp,yp,zp, 0, "ONLY"); |
| 724 | |
| 725 | } |
| 726 | |
| 727 | |
| 728 | //_____________________________________________________________________________ |
| 86bd0ac4 |
729 | void AliPMDv0::DrawModule() const |
| c4561145 |
730 | { |
| 731 | // |
| 732 | // Draw a shaded view of the Photon Multiplicity Detector |
| 733 | // |
| 734 | |
| 735 | gMC->Gsatt("*", "seen", -1); |
| 736 | gMC->Gsatt("alic", "seen", 0); |
| 737 | // |
| 738 | // Set the visibility of the components |
| 739 | // |
| 740 | gMC->Gsatt("ECAR","seen",0); |
| 741 | gMC->Gsatt("ECCU","seen",1); |
| 742 | gMC->Gsatt("EHC1","seen",1); |
| 743 | gMC->Gsatt("EHC1","seen",1); |
| 744 | gMC->Gsatt("EHC2","seen",1); |
| 745 | gMC->Gsatt("EMM1","seen",1); |
| 746 | gMC->Gsatt("EHOL","seen",1); |
| 747 | gMC->Gsatt("EPMD","seen",0); |
| 748 | // |
| 749 | gMC->Gdopt("hide", "on"); |
| 750 | gMC->Gdopt("shad", "on"); |
| 751 | gMC->Gsatt("*", "fill", 7); |
| 752 | gMC->SetClipBox("."); |
| 753 | gMC->SetClipBox("*", 0, 3000, -3000, 3000, -6000, 6000); |
| 754 | gMC->DefaultRange(); |
| 755 | gMC->Gdraw("alic", 40, 30, 0, 22, 20.5, .02, .02); |
| 756 | gMC->Gdhead(1111, "Photon Multiplicity Detector Version 1"); |
| 757 | |
| 758 | //gMC->Gdman(17, 5, "MAN"); |
| 759 | gMC->Gdopt("hide", "off"); |
| 760 | } |
| 761 | |
| 762 | //_____________________________________________________________________________ |
| 763 | void AliPMDv0::CreateMaterials() |
| 764 | { |
| 765 | // |
| 766 | // Create materials for the PMD |
| 767 | // |
| 768 | // ORIGIN : Y. P. VIYOGI |
| 769 | // |
| 770 | |
| 771 | // --- The Argon- CO2 mixture --- |
| 772 | Float_t ag[2] = { 39.95 }; |
| 773 | Float_t zg[2] = { 18. }; |
| 774 | Float_t wg[2] = { .8,.2 }; |
| 775 | Float_t dar = .001782; // --- Ar density in g/cm3 --- |
| 776 | // --- CO2 --- |
| 777 | Float_t ac[2] = { 12.,16. }; |
| 778 | Float_t zc[2] = { 6.,8. }; |
| 779 | Float_t wc[2] = { 1.,2. }; |
| 780 | Float_t dc = .001977; |
| 781 | Float_t dco = .002; // --- CO2 density in g/cm3 --- |
| 782 | |
| 783 | Float_t absl, radl, a, d, z; |
| 784 | Float_t dg; |
| 785 | Float_t x0ar; |
| 786 | //Float_t x0xe=2.4; |
| 787 | //Float_t dxe=0.005858; |
| 788 | Float_t buf[1]; |
| 789 | Int_t nbuf; |
| 790 | Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 }; |
| 791 | Float_t zsteel[4] = { 26.,24.,28.,14. }; |
| 792 | Float_t wsteel[4] = { .715,.18,.1,.005 }; |
| 793 | |
| 794 | Int_t *idtmed = fIdtmed->GetArray()-599; |
| 795 | Int_t isxfld = gAlice->Field()->Integ(); |
| 796 | Float_t sxmgmx = gAlice->Field()->Max(); |
| 797 | |
| 798 | // --- Define the various materials for GEANT --- |
| 799 | AliMaterial(1, "Pb $", 207.19, 82., 11.35, .56, 18.5); |
| 800 | x0ar = 19.55 / dar; |
| 801 | AliMaterial(2, "Argon$", 39.95, 18., dar, x0ar, 6.5e4); |
| 802 | AliMixture(3, "CO2 $", ac, zc, dc, -2, wc); |
| 803 | AliMaterial(4, "Al $", 26.98, 13., 2.7, 8.9, 18.5); |
| 804 | AliMaterial(6, "Fe $", 55.85, 26., 7.87, 1.76, 18.5); |
| 805 | AliMaterial(7, "W $", 183.85, 74., 19.3, .35, 10.3); |
| 806 | AliMaterial(8, "G10 $", 20., 10., 1.7, 19.4, 999.); |
| 807 | AliMaterial(9, "SILIC$", 28.09, 14., 2.33, 9.36, 45.); |
| 808 | AliMaterial(10, "Be $", 9.01, 4., 1.848, 35.3, 36.7); |
| 809 | AliMaterial(15, "Cu $", 63.54, 29., 8.96, 1.43, 15.); |
| 810 | AliMaterial(16, "C $", 12.01, 6., 2.265, 18.8, 49.9); |
| 811 | AliMaterial(17, "POLYCARBONATE $", 20., 10., 1.2, 34.6, 999.); |
| 812 | AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel); |
| 813 | // AliMaterial(31, "Xenon$", 131.3, 54., dxe, x0xe, 6.5e4); |
| 814 | |
| 815 | AliMaterial(96, "MYLAR$", 8.73, 4.55, 1.39, 28.7, 62.); |
| 816 | AliMaterial(97, "CONCR$", 20., 10., 2.5, 10.7, 40.); |
| 817 | AliMaterial(98, "Vacum$", 1e-9, 1e-9, 1e-9, 1e16, 1e16); |
| 818 | AliMaterial(99, "Air $", 14.61, 7.3, .0012, 30420., 67500.); |
| 819 | |
| 820 | // define gas-mixtures |
| 821 | |
| 00d6d986 |
822 | char namate[21]=""; |
| c4561145 |
823 | gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf); |
| 824 | ag[1] = a; |
| 825 | zg[1] = z; |
| 826 | dg = (dar * 4 + dco) / 5; |
| 827 | AliMixture(5, "ArCO2$", ag, zg, dg, 2, wg); |
| 828 | |
| 829 | // Define tracking media |
| 830 | AliMedium(1, "Pb conv.$", 1, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1); |
| 831 | AliMedium(7, "W conv.$", 7, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1); |
| 832 | AliMedium(8, "G10plate$", 8, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1); |
| 833 | AliMedium(4, "Al $", 4, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); |
| 834 | AliMedium(6, "Fe $", 6, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); |
| 835 | AliMedium(5, "ArCO2 $", 5, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1); |
| 836 | AliMedium(9, "SILICON $", 9, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1); |
| 837 | AliMedium(10, "Be $", 10, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); |
| 838 | AliMedium(98, "Vacuum $", 98, 0, 0, isxfld, sxmgmx, 1., .1, .1, 10); |
| 839 | AliMedium(99, "Air gaps$", 99, 0, 0, isxfld, sxmgmx, 1., .1, .1, .1); |
| 840 | AliMedium(15, "Cu $", 15, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); |
| 841 | AliMedium(16, "C $", 16, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); |
| 842 | AliMedium(17, "PLOYCARB$", 17, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); |
| 843 | AliMedium(19, " S steel$", 19, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1); |
| 844 | // AliMedium(31, "Xenon $", 31, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1); |
| 845 | |
| 846 | // --- Generate explicitly delta rays in the iron, aluminium and lead --- |
| 847 | gMC->Gstpar(idtmed[600], "LOSS", 3.); |
| 848 | gMC->Gstpar(idtmed[600], "DRAY", 1.); |
| 849 | |
| 850 | gMC->Gstpar(idtmed[603], "LOSS", 3.); |
| 851 | gMC->Gstpar(idtmed[603], "DRAY", 1.); |
| 852 | |
| 853 | gMC->Gstpar(idtmed[604], "LOSS", 3.); |
| 854 | gMC->Gstpar(idtmed[604], "DRAY", 1.); |
| 855 | |
| 856 | gMC->Gstpar(idtmed[605], "LOSS", 3.); |
| 857 | gMC->Gstpar(idtmed[605], "DRAY", 1.); |
| 858 | |
| 859 | gMC->Gstpar(idtmed[606], "LOSS", 3.); |
| 860 | gMC->Gstpar(idtmed[606], "DRAY", 1.); |
| 861 | |
| 862 | gMC->Gstpar(idtmed[607], "LOSS", 3.); |
| 863 | gMC->Gstpar(idtmed[607], "DRAY", 1.); |
| 864 | |
| 865 | // --- Energy cut-offs in the Pb and Al to gain time in tracking --- |
| 866 | // --- without affecting the hit patterns --- |
| 867 | gMC->Gstpar(idtmed[600], "CUTGAM", 1e-4); |
| 868 | gMC->Gstpar(idtmed[600], "CUTELE", 1e-4); |
| 869 | gMC->Gstpar(idtmed[600], "CUTNEU", 1e-4); |
| 870 | gMC->Gstpar(idtmed[600], "CUTHAD", 1e-4); |
| 871 | gMC->Gstpar(idtmed[605], "CUTGAM", 1e-4); |
| 872 | gMC->Gstpar(idtmed[605], "CUTELE", 1e-4); |
| 873 | gMC->Gstpar(idtmed[605], "CUTNEU", 1e-4); |
| 874 | gMC->Gstpar(idtmed[605], "CUTHAD", 1e-4); |
| 875 | gMC->Gstpar(idtmed[606], "CUTGAM", 1e-4); |
| 876 | gMC->Gstpar(idtmed[606], "CUTELE", 1e-4); |
| 877 | gMC->Gstpar(idtmed[606], "CUTNEU", 1e-4); |
| 878 | gMC->Gstpar(idtmed[606], "CUTHAD", 1e-4); |
| 879 | gMC->Gstpar(idtmed[603], "CUTGAM", 1e-4); |
| 880 | gMC->Gstpar(idtmed[603], "CUTELE", 1e-4); |
| 881 | gMC->Gstpar(idtmed[603], "CUTNEU", 1e-4); |
| 882 | gMC->Gstpar(idtmed[603], "CUTHAD", 1e-4); |
| 883 | gMC->Gstpar(idtmed[609], "CUTGAM", 1e-4); |
| 884 | gMC->Gstpar(idtmed[609], "CUTELE", 1e-4); |
| 885 | gMC->Gstpar(idtmed[609], "CUTNEU", 1e-4); |
| 886 | gMC->Gstpar(idtmed[609], "CUTHAD", 1e-4); |
| 887 | |
| 888 | // --- Prevent particles stopping in the gas due to energy cut-off --- |
| 889 | gMC->Gstpar(idtmed[604], "CUTGAM", 1e-5); |
| 890 | gMC->Gstpar(idtmed[604], "CUTELE", 1e-5); |
| 891 | gMC->Gstpar(idtmed[604], "CUTNEU", 1e-5); |
| 892 | gMC->Gstpar(idtmed[604], "CUTHAD", 1e-5); |
| 893 | gMC->Gstpar(idtmed[604], "CUTMUO", 1e-5); |
| 894 | } |
| 895 | |
| 896 | //_____________________________________________________________________________ |
| 897 | void AliPMDv0::Init() |
| 898 | { |
| 899 | // |
| 900 | // Initialises PMD detector after it has been built |
| 901 | // |
| 902 | Int_t i; |
| 86bd0ac4 |
903 | // kdet=1; |
| c4561145 |
904 | // |
| df622204 |
905 | if(fDebug) { |
| 906 | printf("\n%s: ",ClassName()); |
| 907 | for(i=0;i<35;i++) printf("*"); |
| 908 | printf(" PMD_INIT "); |
| 909 | for(i=0;i<35;i++) printf("*"); |
| 910 | printf("\n%s: ",ClassName()); |
| 911 | printf(" PMD simulation package (v0) initialised\n"); |
| 912 | printf("%s: parameters of pmd\n", ClassName()); |
| dee197d3 |
913 | printf("%s: %10.2f %10.2f %10.2f \ |
| 86bd0ac4 |
914 | %10.2f\n",ClassName(),fgkCellRadius,fgkCellWall,fgkCellDepth,fgkZdist ); |
| df622204 |
915 | printf("%s: ",ClassName()); |
| 916 | for(i=0;i<80;i++) printf("*"); |
| 917 | printf("\n"); |
| 918 | } |
| c4561145 |
919 | Int_t *idtmed = fIdtmed->GetArray()-599; |
| 920 | fMedSens=idtmed[605-1]; |
| 921 | } |
| 922 | |
| 923 | //_____________________________________________________________________________ |
| 924 | void AliPMDv0::StepManager() |
| 925 | { |
| 926 | // |
| 927 | // Called at each step in the PMD |
| 928 | // |
| 929 | Int_t copy; |
| 930 | Float_t hits[4], destep; |
| 931 | Float_t center[3] = {0,0,0}; |
| 932 | Int_t vol[5]; |
| 933 | //char *namep; |
| 934 | |
| 935 | if(gMC->GetMedium() == fMedSens && (destep = gMC->Edep())) { |
| 936 | |
| 937 | gMC->CurrentVolID(copy); |
| 938 | |
| 939 | //namep=gMC->CurrentVolName(); |
| 940 | //printf("Current vol is %s \n",namep); |
| 941 | |
| 942 | vol[0]=copy; |
| 943 | gMC->CurrentVolOffID(1,copy); |
| 944 | |
| 945 | //namep=gMC->CurrentVolOffName(1); |
| 946 | //printf("Current vol 11 is %s \n",namep); |
| 947 | |
| 948 | vol[1]=copy; |
| 949 | gMC->CurrentVolOffID(2,copy); |
| 950 | |
| 951 | //namep=gMC->CurrentVolOffName(2); |
| 952 | //printf("Current vol 22 is %s \n",namep); |
| 953 | |
| 954 | vol[2]=copy; |
| 955 | |
| 956 | // if(strncmp(namep,"EHC1",4))vol[2]=1; |
| 957 | |
| 958 | gMC->CurrentVolOffID(3,copy); |
| 959 | |
| 960 | //namep=gMC->CurrentVolOffName(3); |
| 961 | //printf("Current vol 33 is %s \n",namep); |
| 962 | |
| 963 | vol[3]=copy; |
| 964 | gMC->CurrentVolOffID(4,copy); |
| 965 | |
| 966 | //namep=gMC->CurrentVolOffName(4); |
| 967 | //printf("Current vol 44 is %s \n",namep); |
| 968 | |
| 969 | vol[4]=copy; |
| 970 | //printf("volume number %d,%d,%d,%d,%d,%f \n",vol[0],vol[1],vol[2],vol[3],vol[4],destep*1000000); |
| 971 | |
| 972 | gMC->Gdtom(center,hits,1); |
| 973 | hits[3] = destep*1e9; //Number in eV |
| 5d12ce38 |
974 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits); |
| c4561145 |
975 | } |
| 976 | } |
| 977 | |
| 978 | |
| 979 | //------------------------------------------------------------------------ |
| 980 | // Get parameters |
| 981 | |
| 982 | void AliPMDv0::GetParameters() |
| 983 | { |
| 86bd0ac4 |
984 | // This gives all the parameters of the detector |
| 985 | // such as Length of Supermodules |
| 986 | // thickness of the Supermodule |
| 987 | // |
| 988 | Int_t ncellum, numum; |
| 989 | ncellum = 24; |
| 990 | numum = 3; |
| 991 | fNcellSM = ncellum * numum; //no. of cells in a row in one supermodule |
| 992 | fSMLength = (fNcellSM + 0.25 )*fgkCellRadius*2.; |
| 993 | fSMthick = fgkThBase + fgkThAir + fgkThPCB + fgkCellDepth + |
| 994 | fgkThPCB + fgkThAir + fgkThPCB; |
| c4561145 |
995 | } |
git://git.uio.no / u / mrichter / AliRoot.git / blame