| | 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 | **************************************************************************/ |
| | 15 | |
| | 16 | /* $Id$ */ |
| | 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 | |
| | 32 | #include "Riostream.h" |
| | 33 | #include <TVirtualMC.h> |
| | 34 | #include "AliConst.h" |
| | 35 | #include "AliMagF.h" |
| | 36 | #include "AliPMDv0.h" |
| | 37 | #include "AliRun.h" |
| | 38 | #include "AliMC.h" |
| | 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 |
| | 54 | |
| | 55 | ClassImp(AliPMDv0) |
| | 56 | |
| | 57 | //_____________________________________________________________________________ |
| | 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; |
| | 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 | |
| | 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 | // |
| | 181 | // **** CELL SIZE 20 mm^2 EQUIVALENT |
| | 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 | |
| | 186 | hexd2[4]= -fgkCellDepth/2.; |
| | 187 | hexd2[7]= fgkCellDepth/2.; |
| | 188 | hexd2[6]= fgkCellRadius - fgkCellWall; |
| | 189 | hexd2[9]= fgkCellRadius - fgkCellWall; |
| | 190 | |
| | 191 | // Gas replaced by vacuum for v0(insensitive) version of PMD. |
| | 192 | |
| | 193 | gMC->Gsvolu("ECAR", "PGON", idtmed[697], hexd2,10); |
| | 194 | gMC->Gsatt("ECAR", "SEEN", 0); |
| | 195 | |
| | 196 | // Outer hexagon made of Copper |
| | 197 | |
| | 198 | Float_t hexd1[10] = {0.,360.,6,2,-0.25,0.,0.25,0.25,0.,0.25}; |
| | 199 | |
| | 200 | hexd1[4]= -fgkCellDepth/2.; |
| | 201 | hexd1[7]= fgkCellDepth/2.; |
| | 202 | hexd1[6]= fgkCellRadius; |
| | 203 | hexd1[9]= fgkCellRadius; |
| | 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 | |
| | 210 | gMC->Gspos("ECAR", 1, "ECCU", 0., 0., 0., 0, "ONLY"); |
| | 211 | |
| | 212 | // Rhombus shaped supermodules (defined by PARA) |
| | 213 | |
| | 214 | // volume for SUPERMODULE |
| | 215 | |
| | 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); |
| | 223 | gMC->Gsatt("ESMA", "SEEN", 0); |
| | 224 | // |
| | 225 | gMC->Gsvolu("ESMB","PARA", idtmed[607], dparasm1, 6); |
| | 226 | gMC->Gsatt("ESMB", "SEEN", 0); |
| | 227 | |
| | 228 | // Air residing between the PCB and the base |
| | 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); |
| | 236 | gMC->Gsatt("EAIR", "SEEN", 0); |
| | 237 | |
| | 238 | // volume for honeycomb chamber EHC1 |
| | 239 | |
| | 240 | Float_t dpara1[6] = {12.5,12.5,0.4,30.,0.,0.}; |
| | 241 | dpara1[0] = dparasm1[0]; |
| | 242 | dpara1[1] = dparasm1[1]; |
| | 243 | dpara1[2] = fgkCellDepth/2.; |
| | 244 | |
| | 245 | gMC->Gsvolu("EHC1","PARA", idtmed[698], dpara1, 6); |
| | 246 | gMC->Gsatt("EHC1", "SEEN", 1); |
| | 247 | |
| | 248 | // Place hexagonal cells ECCU cells inside EHC1 (72 X 72) |
| | 249 | |
| | 250 | Int_t xrow = 1; |
| | 251 | |
| | 252 | yb = -dpara1[1] + (1./fgkSqroot3by2)*hexd1[6]; |
| | 253 | zb = 0.; |
| | 254 | |
| | 255 | for (j = 1; j <= fNcellSM; ++j) { |
| | 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 | } |
| | 260 | for (i = 1; i <= fNcellSM; ++i) { |
| | 261 | number = i+(j-1)*fNcellSM; |
| | 262 | gMC->Gspos("ECCU", number, "EHC1", xb,yb,zb, ihrotm, "ONLY"); |
| | 263 | xb += (hexd1[6]*2.); |
| | 264 | } |
| | 265 | xrow = xrow+1; |
| | 266 | yb += (hexd1[6]*fgkSqroot3); |
| | 267 | } |
| | 268 | |
| | 269 | |
| | 270 | // Place EHC1 and EAIR into ESMA and ESMB |
| | 271 | |
| | 272 | Float_t zAir1,zAir2,zGas; |
| | 273 | |
| | 274 | //ESMA is normal supermodule with base at bottom, with EHC1 |
| | 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]; |
| | 278 | //Line below Commented for version 0 of PMD routine |
| | 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"); |
| | 282 | |
| | 283 | // ESMB is mirror image of ESMA, with base at top, with EHC1 |
| | 284 | |
| | 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]; |
| | 288 | //Line below Commented for version 0 of PMD routine |
| | 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"); |
| | 292 | |
| | 293 | |
| | 294 | // special supermodule EMM2(GEANT only) containing 6 unit modules |
| | 295 | // volume for SUPERMODULE |
| | 296 | |
| | 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.; |
| | 301 | |
| | 302 | gMC->Gsvolu("ESMX","PARA", idtmed[607], dparasm2, 6); |
| | 303 | gMC->Gsatt("ESMX", "SEEN", 0); |
| | 304 | // |
| | 305 | gMC->Gsvolu("ESMY","PARA", idtmed[607], dparasm2, 6); |
| | 306 | gMC->Gsatt("ESMY", "SEEN", 0); |
| | 307 | |
| | 308 | Float_t dpara2[6] = {12.5,12.5,0.4,30.,0.,0.}; |
| | 309 | dpara2[0] = dparasm2[0]; |
| | 310 | dpara2[1] = dparasm2[1]; |
| | 311 | dpara2[2] = fgkCellDepth/2.; |
| | 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 | |
| | 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.; |
| | 323 | |
| | 324 | gMC->Gsvolu("EAIX","PARA", idtmed[698], dpara2Air, 6); |
| | 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; |
| | 331 | yb = -dpara2[1] + (1./fgkSqroot3by2)*hexd1[6]; |
| | 332 | zb = 0.; |
| | 333 | for (j = 1; j <= (fNcellSM - fgkNcellHole); ++j) { |
| | 334 | xb =-(dpara2[0] + dpara2[1]*0.577) + 2*hexd1[6]; |
| | 335 | if(xrow >= 2){ |
| | 336 | xb = xb+(xrow-1)*hexd1[6]; |
| | 337 | } |
| | 338 | for (i = 1; i <= fNcellSM; ++i) { |
| | 339 | number = i+(j-1)*fNcellSM; |
| | 340 | gMC->Gspos("ECCU", number, "EHC2", xb,yb,zb, ihrotm, "ONLY"); |
| | 341 | xb += (hexd1[6]*2.); |
| | 342 | } |
| | 343 | xrow = xrow+1; |
| | 344 | yb += (hexd1[6]*fgkSqroot3); |
| | 345 | } |
| | 346 | |
| | 347 | |
| | 348 | // ESMX is normal supermodule with base at bottom, with EHC2 |
| | 349 | |
| | 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]; |
| | 353 | //Line below Commented for version 0 of PMD routine |
| | 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"); |
| | 357 | |
| | 358 | // ESMY is mirror image of ESMX with base at bottom, with EHC2 |
| | 359 | |
| | 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]; |
| | 363 | //Line below Commented for version 0 of PMD routine |
| | 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"); |
| | 367 | |
| | 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.; |
| | 376 | |
| | 377 | gMC->Gsvolu("ESMP","PARA", idtmed[607], dparaSM3, 6); |
| | 378 | gMC->Gsatt("ESMP", "SEEN", 0); |
| | 379 | // |
| | 380 | gMC->Gsvolu("ESMQ","PARA", idtmed[607], dparaSM3, 6); |
| | 381 | gMC->Gsatt("ESMQ", "SEEN", 0); |
| | 382 | |
| | 383 | Float_t dpara3[6] = {12.5,12.5,0.4,30.,0.,0.}; |
| | 384 | dpara3[0] = dparaSM3[0]; |
| | 385 | dpara3[1] = dparaSM3[1]; |
| | 386 | dpara3[2] = fgkCellDepth/2.; |
| | 387 | |
| | 388 | gMC->Gsvolu("EHC3","PARA", idtmed[698], dpara3, 6); |
| | 389 | gMC->Gsatt("EHC3", "SEEN", 1); |
| | 390 | |
| | 391 | // Air residing between the PCB and the base |
| | 392 | |
| | 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.; |
| | 397 | |
| | 398 | gMC->Gsvolu("EAIP","PARA", idtmed[698], dpara3Air, 6); |
| | 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; |
| | 406 | yb = -dpara3[1] + (1./fgkSqroot3by2)*hexd1[6]; |
| | 407 | zb = 0.; |
| | 408 | for (j = 1; j <= fgkNcellHole; ++j) { |
| | 409 | xb =-(dpara3[0] + dpara3[1]*0.577) + 2*hexd1[6]; |
| | 410 | if(xrow >= 2){ |
| | 411 | xb = xb+(xrow-1)*hexd1[6]; |
| | 412 | } |
| | 413 | for (i = 1; i <= (fNcellSM - fgkNcellHole); ++i) { |
| | 414 | number = i+(j-1)*(fNcellSM - fgkNcellHole); |
| | 415 | gMC->Gspos("ECCU", number, "EHC3", xb,yb,zb, ihrotm, "ONLY"); |
| | 416 | xb += (hexd1[6]*2.); |
| | 417 | } |
| | 418 | xrow = xrow+1; |
| | 419 | yb += (hexd1[6]*fgkSqroot3); |
| | 420 | } |
| | 421 | |
| | 422 | // ESMP is normal supermodule with base at bottom, with EHC3 |
| | 423 | |
| | 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]; |
| | 427 | //Line below Commented for version 0 of PMD routine |
| | 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 | |
| | 432 | // ESMQ is mirror image of ESMP with base at bottom, with EHC3 |
| | 433 | |
| | 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]; |
| | 437 | //Line below Commented for version 0 of PMD routine |
| | 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 | |
| | 442 | } |
| | 443 | |
| | 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 | |
| | 455 | Float_t xp, yp, zp; |
| | 456 | Int_t i,j; |
| | 457 | Int_t nummod; |
| | 458 | Int_t jhrot12,jhrot13, irotdm; |
| | 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. |
| | 464 | // VOLUME SIZE MEDIUM : REMARKS |
| | 465 | // ------ ----- ------ : --------------------------- |
| | 466 | // EPMD GASPMD AIR : INSIDE PMD and its SIZE |
| | 467 | // *** Define the EPMD Volume and fill with air *** |
| | 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 | |
| | 473 | gaspmd[5] = fgkNcellHole * fgkCellRadius * 2. * fgkSqroot3by2; |
| | 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 | |
| | 485 | Float_t dmthick = 2. * fSMthick + fgkThLead + fgkThSteel; |
| | 486 | |
| | 487 | // dparaemm1 array contains parameters of the imaginary volume EMM1, |
| | 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 | |
| | 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.; |
| | 496 | |
| | 497 | gMC->Gsvolu("EMM1","PARA", idtmed[698], dparaemm1, 6); |
| | 498 | gMC->Gsatt("EMM1", "SEEN", 1); |
| | 499 | |
| | 500 | // |
| | 501 | // --- DEFINE Modules, iron, and lead volumes |
| | 502 | // Pb Convertor for EMM1 |
| | 503 | |
| | 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); |
| | 510 | gMC->Gsatt ("EPB1", "SEEN", 0); |
| | 511 | |
| | 512 | // Fe Support for EMM1 |
| | 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.; |
| | 517 | |
| | 518 | gMC->Gsvolu("EFE1","PARA", idtmed[618], dparafe1, 6); |
| | 519 | gMC->Gsatt ("EFE1", "SEEN", 0); |
| | 520 | |
| | 521 | // |
| | 522 | // position supermodule ESMA, ESMB, EPB1, EFE1 inside EMM1 |
| | 523 | |
| | 524 | Float_t zps,zpb,zfe,zcv; |
| | 525 | |
| | 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"); |
| | 534 | |
| | 535 | // EMM2 : special master module having full row of cells but the number |
| | 536 | // of rows limited by hole. |
| | 537 | |
| | 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.; |
| | 542 | |
| | 543 | gMC->Gsvolu("EMM2","PARA", idtmed[698], dparaemm2, 6); |
| | 544 | gMC->Gsatt("EMM2", "SEEN", 1); |
| | 545 | |
| | 546 | // Pb Convertor for EMM2 |
| | 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.; |
| | 551 | |
| | 552 | gMC->Gsvolu("EPB2","PARA", idtmed[600], dparapb2, 6); |
| | 553 | gMC->Gsatt ("EPB2", "SEEN", 0); |
| | 554 | |
| | 555 | // Fe Support for EMM2 |
| | 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.; |
| | 560 | |
| | 561 | gMC->Gsvolu("EFE2","PARA", idtmed[618], dparafe2, 6); |
| | 562 | gMC->Gsatt ("EFE2", "SEEN", 0); |
| | 563 | |
| | 564 | // position supermodule ESMX, ESMY inside EMM2 |
| | 565 | |
| | 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"); |
| | 574 | // |
| | 575 | // EMM3 : special master module having truncated rows and columns of cells |
| | 576 | // limited by hole. |
| | 577 | |
| | 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.; |
| | 582 | |
| | 583 | gMC->Gsvolu("EMM3","PARA", idtmed[698], dparaemm3, 6); |
| | 584 | gMC->Gsatt("EMM3", "SEEN", 1); |
| | 585 | |
| | 586 | // Pb Convertor for EMM3 |
| | 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.; |
| | 591 | |
| | 592 | gMC->Gsvolu("EPB3","PARA", idtmed[600], dparapb3, 6); |
| | 593 | gMC->Gsatt ("EPB3", "SEEN", 0); |
| | 594 | |
| | 595 | // Fe Support for EMM3 |
| | 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.; |
| | 600 | |
| | 601 | gMC->Gsvolu("EFE3","PARA", idtmed[618], dparafe3, 6); |
| | 602 | gMC->Gsatt ("EFE3", "SEEN", 0); |
| | 603 | |
| | 604 | // position supermodule ESMP, ESMQ inside EMM3 |
| | 605 | |
| | 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"); |
| | 614 | // |
| | 615 | |
| | 616 | // EHOL is a tube structure made of air |
| | 617 | // |
| | 618 | //Float_t d_hole[3]; |
| | 619 | //d_hole[0] = 0.; |
| | 620 | //d_hole[1] = fgkNcellHole * fgkCellRadius *2. * fgkSqroot3by2 + boundary; |
| | 621 | //d_hole[2] = dmthick/2.; |
| | 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 | |
| | 628 | Float_t alRod[3] ; |
| | 629 | alRod[0] = fSMLength * 3/2. - gaspmd[5]/2 - fgkBoundary ; |
| | 630 | alRod[1] = fgkBoundary; |
| | 631 | alRod[2] = dmthick/2.; |
| | 632 | |
| | 633 | gMC->Gsvolu("EALM","BOX ", idtmed[698], alRod, 3); |
| | 634 | gMC->Gsatt ("EALM", "SEEN", 1); |
| | 635 | Float_t xalm[3]; |
| | 636 | xalm[0]=alRod[0] + gaspmd[5] + 3.0*fgkBoundary; |
| | 637 | xalm[1]=-xalm[0]/2.; |
| | 638 | xalm[2]=xalm[1]; |
| | 639 | |
| | 640 | Float_t yalm[3]; |
| | 641 | yalm[0]=0.; |
| | 642 | yalm[1]=xalm[0]*fgkSqroot3by2; |
| | 643 | yalm[2]=-yalm[1]; |
| | 644 | |
| | 645 | // delx = full side of the supermodule |
| | 646 | Float_t delx=fSMLength * 3.; |
| | 647 | Float_t x1= delx*fgkSqroot3by2 /2.; |
| | 648 | Float_t x4=delx/4.; |
| | 649 | |
| | 650 | // placing master modules and Al-rod in PMD |
| | 651 | |
| | 652 | Float_t dx = fSMLength; |
| | 653 | Float_t dy = dx * fgkSqroot3by2; |
| | 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 | |
| | 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.}; |
| | 667 | Float_t xpos[9], ypos[9], x2, y2, x3, y3; |
| | 668 | |
| | 669 | Float_t xemm2 = fSMLength/2. - |
| | 670 | (fNcellSM + fgkNcellHole + 0.25) * fgkCellRadius * 0.5 |
| | 671 | + xoff; |
| | 672 | Float_t yemm2 = -(fNcellSM + fgkNcellHole + 0.25)*fgkCellRadius*fgkSqroot3by2 |
| | 673 | - fgkBoundary; |
| | 674 | |
| | 675 | Float_t xemm3 = (fNcellSM + 0.5 * fgkNcellHole + 0.25) * fgkCellRadius + |
| | 676 | xoff; |
| | 677 | Float_t yemm3 = - (fgkNcellHole - 0.25) * fgkCellRadius * fgkSqroot3by2 - |
| | 678 | fgkBoundary; |
| | 679 | |
| | 680 | Float_t theta[3] = {0., 2.*fgkPi/3., 4.*fgkPi/3.}; |
| | 681 | Int_t irotate[3] = {0, jhrot12, jhrot13}; |
| | 682 | |
| | 683 | nummod=0; |
| | 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]); |
| | 688 | |
| | 689 | gMC->Gspos("EMM2", j+1, "EPMD", x2,y2, 0., irotate[j], "ONLY"); |
| | 690 | |
| | 691 | x3=xemm3*TMath::Cos(theta[j]) - yemm3*TMath::Sin(theta[j]); |
| | 692 | y3=xemm3*TMath::Sin(theta[j]) + yemm3*TMath::Cos(theta[j]); |
| | 693 | |
| | 694 | gMC->Gspos("EMM3", j+4, "EPMD", x3,y3, 0., irotate[j], "ONLY"); |
| | 695 | |
| | 696 | for (i=1; i<9; ++i) { |
| | 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 | } |
| | 712 | } |
| | 713 | |
| | 714 | |
| | 715 | // place EHOL in the centre of EPMD |
| | 716 | // gMC->Gspos("EHOL", 1, "EPMD", 0.,0.,0., 0, "ONLY"); |
| | 717 | |
| | 718 | // --- Place the EPMD in ALICE |
| | 719 | xp = 0.; |
| | 720 | yp = 0.; |
| | 721 | zp = fgkZdist; |
| | 722 | |
| | 723 | gMC->Gspos("EPMD", 1, "ALIC", xp,yp,zp, 0, "ONLY"); |
| | 724 | |
| | 725 | } |
| | 726 | |
| | 727 | |
| | 728 | //_____________________________________________________________________________ |
| | 729 | void AliPMDv0::DrawModule() const |
| | 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 | // cout << " Inside create materials " << endl; |
| | 772 | |
| | 773 | Int_t *idtmed = fIdtmed->GetArray()-599; |
| | 774 | Int_t isxfld = gAlice->Field()->Integ(); |
| | 775 | Float_t sxmgmx = gAlice->Field()->Max(); |
| | 776 | |
| | 777 | // --- Define the various materials for GEANT --- |
| | 778 | |
| | 779 | AliMaterial(1, "Pb $", 207.19, 82., 11.35, .56, 18.5); |
| | 780 | |
| | 781 | // Argon |
| | 782 | |
| | 783 | Float_t dAr = 0.001782; // --- Ar density in g/cm3 --- |
| | 784 | Float_t x0Ar = 19.55 / dAr; |
| | 785 | AliMaterial(2, "Argon$", 39.95, 18., dAr, x0Ar, 6.5e4); |
| | 786 | |
| | 787 | // --- CO2 --- |
| | 788 | |
| | 789 | Float_t aCO2[2] = { 12.,16. }; |
| | 790 | Float_t zCO2[2] = { 6.,8. }; |
| | 791 | Float_t wCO2[2] = { 1.,2. }; |
| | 792 | Float_t dCO2 = 0.001977; |
| | 793 | AliMixture(3, "CO2 $", aCO2, zCO2, dCO2, -2, wCO2); |
| | 794 | |
| | 795 | AliMaterial(4, "Al $", 26.98, 13., 2.7, 8.9, 18.5); |
| | 796 | |
| | 797 | // ArCO2 |
| | 798 | |
| | 799 | Float_t aArCO2[3] = {39.948,12.0107,15.9994}; |
| | 800 | Float_t zArCO2[3] = {18.,6.,8.}; |
| | 801 | Float_t wArCO2[3] = {0.7,0.08,0.22}; |
| | 802 | Float_t dArCO2 = dAr * 0.7 + dCO2 * 0.3; |
| | 803 | AliMixture(5, "ArCO2$", aArCO2, zArCO2, dArCO2, 3, wArCO2); |
| | 804 | |
| | 805 | AliMaterial(6, "Fe $", 55.85, 26., 7.87, 1.76, 18.5); |
| | 806 | |
| | 807 | // G10 |
| | 808 | |
| | 809 | Float_t aG10[4]={1.,12.011,15.9994,28.086}; |
| | 810 | Float_t zG10[4]={1.,6.,8.,14.}; |
| | 811 | Float_t wG10[4]={0.148648649,0.104054054,0.483499056,0.241666667}; |
| | 812 | AliMixture(8,"G10",aG10,zG10,1.7,4,wG10); |
| | 813 | |
| | 814 | AliMaterial(15, "Cu $", 63.54, 29., 8.96, 1.43, 15.); |
| | 815 | |
| | 816 | // Steel |
| | 817 | Float_t aSteel[4] = { 55.847,51.9961,58.6934,28.0855 }; |
| | 818 | Float_t zSteel[4] = { 26.,24.,28.,14. }; |
| | 819 | Float_t wSteel[4] = { .715,.18,.1,.005 }; |
| | 820 | Float_t dSteel = 7.88; |
| | 821 | AliMixture(19, "STAINLESS STEEL$", aSteel, zSteel, dSteel, 4, wSteel); |
| | 822 | |
| | 823 | //Air |
| | 824 | |
| | 825 | Float_t aAir[4]={12.0107,14.0067,15.9994,39.948}; |
| | 826 | Float_t zAir[4]={6.,7.,8.,18.}; |
| | 827 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; |
| | 828 | Float_t dAir1 = 1.20479E-10; |
| | 829 | Float_t dAir = 1.20479E-3; |
| | 830 | AliMixture(98, "Vacum$", aAir, zAir, dAir1, 4, wAir); |
| | 831 | AliMixture(99, "Air $", aAir, zAir, dAir , 4, wAir); |
| | 832 | |
| | 833 | // Define tracking media |
| | 834 | AliMedium(1, "Pb conv.$", 1, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1); |
| | 835 | AliMedium(4, "Al $", 4, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); |
| | 836 | AliMedium(5, "ArCO2 $", 5, 1, 0, isxfld, sxmgmx, .1, .1, .10, .1); |
| | 837 | AliMedium(6, "Fe $", 6, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); |
| | 838 | AliMedium(8, "G10plate$", 8, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1); |
| | 839 | AliMedium(15, "Cu $", 15, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); |
| | 840 | AliMedium(19, "S steel$", 19, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1); |
| | 841 | AliMedium(98, "Vacuum $", 98, 0, 0, isxfld, sxmgmx, 1., .1, .10, 10); |
| | 842 | AliMedium(99, "Air gaps$", 99, 0, 0, isxfld, sxmgmx, 1., .1, .10, .1); |
| | 843 | |
| | 844 | |
| | 845 | // --- Generate explicitly delta rays in the iron, aluminium and lead --- |
| | 846 | gMC->Gstpar(idtmed[600], "LOSS", 3.); |
| | 847 | gMC->Gstpar(idtmed[600], "DRAY", 1.); |
| | 848 | |
| | 849 | gMC->Gstpar(idtmed[603], "LOSS", 3.); |
| | 850 | gMC->Gstpar(idtmed[603], "DRAY", 1.); |
| | 851 | |
| | 852 | gMC->Gstpar(idtmed[604], "LOSS", 3.); |
| | 853 | gMC->Gstpar(idtmed[604], "DRAY", 1.); |
| | 854 | |
| | 855 | gMC->Gstpar(idtmed[605], "LOSS", 3.); |
| | 856 | gMC->Gstpar(idtmed[605], "DRAY", 1.); |
| | 857 | |
| | 858 | gMC->Gstpar(idtmed[606], "LOSS", 3.); |
| | 859 | gMC->Gstpar(idtmed[606], "DRAY", 1.); |
| | 860 | |
| | 861 | gMC->Gstpar(idtmed[607], "LOSS", 3.); |
| | 862 | gMC->Gstpar(idtmed[607], "DRAY", 1.); |
| | 863 | |
| | 864 | // --- Energy cut-offs in the Pb and Al to gain time in tracking --- |
| | 865 | // --- without affecting the hit patterns --- |
| | 866 | gMC->Gstpar(idtmed[600], "CUTGAM", 1e-4); |
| | 867 | gMC->Gstpar(idtmed[600], "CUTELE", 1e-4); |
| | 868 | gMC->Gstpar(idtmed[600], "CUTNEU", 1e-4); |
| | 869 | gMC->Gstpar(idtmed[600], "CUTHAD", 1e-4); |
| | 870 | gMC->Gstpar(idtmed[605], "CUTGAM", 1e-4); |
| | 871 | gMC->Gstpar(idtmed[605], "CUTELE", 1e-4); |
| | 872 | gMC->Gstpar(idtmed[605], "CUTNEU", 1e-4); |
| | 873 | gMC->Gstpar(idtmed[605], "CUTHAD", 1e-4); |
| | 874 | gMC->Gstpar(idtmed[606], "CUTGAM", 1e-4); |
| | 875 | gMC->Gstpar(idtmed[606], "CUTELE", 1e-4); |
| | 876 | gMC->Gstpar(idtmed[606], "CUTNEU", 1e-4); |
| | 877 | gMC->Gstpar(idtmed[606], "CUTHAD", 1e-4); |
| | 878 | gMC->Gstpar(idtmed[603], "CUTGAM", 1e-4); |
| | 879 | gMC->Gstpar(idtmed[603], "CUTELE", 1e-4); |
| | 880 | gMC->Gstpar(idtmed[603], "CUTNEU", 1e-4); |
| | 881 | gMC->Gstpar(idtmed[603], "CUTHAD", 1e-4); |
| | 882 | gMC->Gstpar(idtmed[609], "CUTGAM", 1e-4); |
| | 883 | gMC->Gstpar(idtmed[609], "CUTELE", 1e-4); |
| | 884 | gMC->Gstpar(idtmed[609], "CUTNEU", 1e-4); |
| | 885 | gMC->Gstpar(idtmed[609], "CUTHAD", 1e-4); |
| | 886 | |
| | 887 | // --- Prevent particles stopping in the gas due to energy cut-off --- |
| | 888 | gMC->Gstpar(idtmed[604], "CUTGAM", 1e-5); |
| | 889 | gMC->Gstpar(idtmed[604], "CUTELE", 1e-5); |
| | 890 | gMC->Gstpar(idtmed[604], "CUTNEU", 1e-5); |
| | 891 | gMC->Gstpar(idtmed[604], "CUTHAD", 1e-5); |
| | 892 | gMC->Gstpar(idtmed[604], "CUTMUO", 1e-5); |
| | 893 | } |
| | 894 | |
| | 895 | //_____________________________________________________________________________ |
| | 896 | void AliPMDv0::Init() |
| | 897 | { |
| | 898 | // |
| | 899 | // Initialises PMD detector after it has been built |
| | 900 | // |
| | 901 | Int_t i; |
| | 902 | // kdet=1; |
| | 903 | // |
| | 904 | if(fDebug) { |
| | 905 | printf("\n%s: ",ClassName()); |
| | 906 | for(i=0;i<35;i++) printf("*"); |
| | 907 | printf(" PMD_INIT "); |
| | 908 | for(i=0;i<35;i++) printf("*"); |
| | 909 | printf("\n%s: ",ClassName()); |
| | 910 | printf(" PMD simulation package (v0) initialised\n"); |
| | 911 | printf("%s: parameters of pmd\n", ClassName()); |
| | 912 | printf("%s: %10.2f %10.2f %10.2f \ |
| | 913 | %10.2f\n",ClassName(),fgkCellRadius,fgkCellWall,fgkCellDepth,fgkZdist ); |
| | 914 | printf("%s: ",ClassName()); |
| | 915 | for(i=0;i<80;i++) printf("*"); |
| | 916 | printf("\n"); |
| | 917 | } |
| | 918 | Int_t *idtmed = fIdtmed->GetArray()-599; |
| | 919 | fMedSens=idtmed[605-1]; |
| | 920 | } |
| | 921 | |
| | 922 | //_____________________________________________________________________________ |
| | 923 | void AliPMDv0::StepManager() |
| | 924 | { |
| | 925 | // |
| | 926 | // Called at each step in the PMD |
| | 927 | // |
| | 928 | Int_t copy; |
| | 929 | Float_t hits[4], destep; |
| | 930 | Float_t center[3] = {0,0,0}; |
| | 931 | Int_t vol[5]; |
| | 932 | //char *namep; |
| | 933 | |
| | 934 | if(gMC->GetMedium() == fMedSens && (destep = gMC->Edep())) { |
| | 935 | |
| | 936 | gMC->CurrentVolID(copy); |
| | 937 | |
| | 938 | //namep=gMC->CurrentVolName(); |
| | 939 | //printf("Current vol is %s \n",namep); |
| | 940 | |
| | 941 | vol[0]=copy; |
| | 942 | gMC->CurrentVolOffID(1,copy); |
| | 943 | |
| | 944 | //namep=gMC->CurrentVolOffName(1); |
| | 945 | //printf("Current vol 11 is %s \n",namep); |
| | 946 | |
| | 947 | vol[1]=copy; |
| | 948 | gMC->CurrentVolOffID(2,copy); |
| | 949 | |
| | 950 | //namep=gMC->CurrentVolOffName(2); |
| | 951 | //printf("Current vol 22 is %s \n",namep); |
| | 952 | |
| | 953 | vol[2]=copy; |
| | 954 | |
| | 955 | // if(strncmp(namep,"EHC1",4))vol[2]=1; |
| | 956 | |
| | 957 | gMC->CurrentVolOffID(3,copy); |
| | 958 | |
| | 959 | //namep=gMC->CurrentVolOffName(3); |
| | 960 | //printf("Current vol 33 is %s \n",namep); |
| | 961 | |
| | 962 | vol[3]=copy; |
| | 963 | gMC->CurrentVolOffID(4,copy); |
| | 964 | |
| | 965 | //namep=gMC->CurrentVolOffName(4); |
| | 966 | //printf("Current vol 44 is %s \n",namep); |
| | 967 | |
| | 968 | vol[4]=copy; |
| | 969 | //printf("volume number %d,%d,%d,%d,%d,%f \n",vol[0],vol[1],vol[2],vol[3],vol[4],destep*1000000); |
| | 970 | |
| | 971 | gMC->Gdtom(center,hits,1); |
| | 972 | hits[3] = destep*1e9; //Number in eV |
| | 973 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits); |
| | 974 | } |
| | 975 | } |
| | 976 | |
| | 977 | |
| | 978 | //------------------------------------------------------------------------ |
| | 979 | // Get parameters |
| | 980 | |
| | 981 | void AliPMDv0::GetParameters() |
| | 982 | { |
| | 983 | // This gives all the parameters of the detector |
| | 984 | // such as Length of Supermodules |
| | 985 | // thickness of the Supermodule |
| | 986 | // |
| | 987 | Int_t ncellum, numum; |
| | 988 | ncellum = 24; |
| | 989 | numum = 3; |
| | 990 | fNcellSM = ncellum * numum; //no. of cells in a row in one supermodule |
| | 991 | fSMLength = (fNcellSM + 0.25 )*fgkCellRadius*2.; |
| | 992 | fSMthick = fgkThBase + fgkThAir + fgkThPCB + fgkCellDepth + |
| | 993 | fgkThPCB + fgkThAir + fgkThPCB; |
| | 994 | } |
git://git.uio.no / u / mrichter / AliRoot.git / blame_incremental