| 4c039060 |
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 | /* |
| 6e36c0f2 |
17 | $Log$ |
| 7f36f6bc |
18 | Revision 1.11 2000/06/12 15:35:44 jbarbosa |
| 19 | Cleaned up version. |
| 20 | |
| 237c933d |
21 | Revision 1.10 2000/06/09 14:59:25 jbarbosa |
| 22 | New default version. No setters needed, no hits. |
| 23 | |
| c71fc6da |
24 | Revision 1.9 2000/05/31 08:19:38 jbarbosa |
| 25 | Fixed bug in StepManager |
| 26 | |
| 27d40190 |
27 | Revision 1.8 2000/05/26 17:30:08 jbarbosa |
| 28 | Cerenkov angle now stored within cerenkov data structure. |
| 29 | |
| b15cdb56 |
30 | Revision 1.7 2000/05/18 10:31:36 jbarbosa |
| 31 | Fixed positioning of spacers inside freon. |
| 32 | Fixed positioning of proximity gap |
| 33 | inside methane. |
| 34 | Fixed cut on neutral particles in the StepManager. |
| 35 | |
| 6d31e556 |
36 | Revision 1.6 2000/04/28 11:51:58 morsch |
| 37 | Dimensions of arrays hits and Ckov_data corrected. |
| 38 | |
| 8140b37e |
39 | Revision 1.5 2000/04/19 13:28:46 morsch |
| 40 | Major changes in geometry (parametrised), materials (updated) and |
| 41 | step manager (diagnostics) (JB, AM) |
| 42 | |
| 4c039060 |
43 | */ |
| 44 | |
| 6e36c0f2 |
45 | |
| 46 | |
| c71fc6da |
47 | ///////////////////////////////////////////////////////////// |
| 48 | // Manager and hits classes for set: RICH default version // |
| 49 | ///////////////////////////////////////////////////////////// |
| ddae0931 |
50 | |
| 51 | #include <TTUBE.h> |
| 52 | #include <TNode.h> |
| 53 | #include <TRandom.h> |
| 54 | |
| 55 | #include "AliRICHv0.h" |
| 237c933d |
56 | #include "AliRICHSegmentation.h" |
| 57 | #include "AliRICHResponse.h" |
| 58 | #include "AliRICHSegmentationV0.h" |
| 59 | #include "AliRICHResponseV0.h" |
| 60 | #include "AliRICHGeometry.h" |
| ddae0931 |
61 | #include "AliRun.h" |
| 62 | #include "AliMC.h" |
| 63 | #include "iostream.h" |
| 64 | #include "AliCallf77.h" |
| 65 | #include "AliConst.h" |
| 6e36c0f2 |
66 | #include "AliPDG.h" |
| ddae0931 |
67 | #include "TGeant3.h" |
| 68 | |
| 69 | ClassImp(AliRICHv0) |
| 70 | |
| 71 | //___________________________________________ |
| 72 | AliRICHv0::AliRICHv0() : AliRICH() |
| 73 | { |
| 237c933d |
74 | |
| 75 | // Default constructor |
| 76 | |
| 6e36c0f2 |
77 | //fChambers = 0; |
| ddae0931 |
78 | } |
| 79 | |
| 80 | //___________________________________________ |
| 81 | AliRICHv0::AliRICHv0(const char *name, const char *title) |
| 82 | : AliRICH(name,title) |
| 83 | { |
| c71fc6da |
84 | // |
| 85 | // Version 0 |
| 237c933d |
86 | // Default Segmentation, no hits |
| 87 | AliRICHSegmentationV0* segmentationV0 = new AliRICHSegmentationV0; |
| c71fc6da |
88 | // |
| 89 | // Segmentation parameters |
| 237c933d |
90 | segmentationV0->SetPadSize(0.84,0.80); |
| 91 | segmentationV0->SetDAnod(0.84/2); |
| c71fc6da |
92 | // |
| 93 | // Geometry parameters |
| 237c933d |
94 | AliRICHGeometry* geometry = new AliRICHGeometry; |
| 95 | geometry->SetGapThickness(8); |
| 96 | geometry->SetProximityGapThickness(.4); |
| 97 | geometry->SetQuartzLength(131); |
| 98 | geometry->SetQuartzWidth(126.2); |
| 99 | geometry->SetQuartzThickness(.5); |
| 100 | geometry->SetOuterFreonLength(131); |
| 101 | geometry->SetOuterFreonWidth(40.3); |
| 102 | geometry->SetInnerFreonLength(131); |
| 103 | geometry->SetInnerFreonWidth(40.3); |
| 104 | geometry->SetFreonThickness(1); |
| c71fc6da |
105 | // |
| 106 | // Response parameters |
| 237c933d |
107 | AliRICHResponseV0* responseV0 = new AliRICHResponseV0; |
| 108 | responseV0->SetSigmaIntegration(5.); |
| 109 | responseV0->SetChargeSlope(40.); |
| 110 | responseV0->SetChargeSpread(0.18, 0.18); |
| 111 | responseV0->SetMaxAdc(1024); |
| 112 | responseV0->SetAlphaFeedback(0.05); |
| 113 | responseV0->SetEIonisation(26.e-9); |
| 114 | responseV0->SetSqrtKx3(0.77459667); |
| 115 | responseV0->SetKx2(0.962); |
| 116 | responseV0->SetKx4(0.379); |
| 117 | responseV0->SetSqrtKy3(0.77459667); |
| 118 | responseV0->SetKy2(0.962); |
| 119 | responseV0->SetKy4(0.379); |
| 120 | responseV0->SetPitch(0.25); |
| c71fc6da |
121 | // |
| 122 | // |
| 123 | // AliRICH *RICH = (AliRICH *) gAlice->GetDetector("RICH"); |
| 124 | |
| 237c933d |
125 | fCkovNumber=0; |
| 126 | fFreonProd=0; |
| 7f36f6bc |
127 | Int_t i=0; |
| c71fc6da |
128 | |
| 237c933d |
129 | fChambers = new TObjArray(kNCH); |
| 7f36f6bc |
130 | for (i=0; i<kNCH; i++) { |
| c71fc6da |
131 | |
| 132 | (*fChambers)[i] = new AliRICHChamber(); |
| 133 | |
| 134 | } |
| 135 | |
| 7f36f6bc |
136 | for (i=0; i<kNCH; i++) { |
| 237c933d |
137 | SetGeometryModel(i,geometry); |
| 138 | SetSegmentationModel(i, segmentationV0); |
| 139 | SetResponseModel(i, responseV0); |
| c71fc6da |
140 | SetNsec(i,1); |
| 6e36c0f2 |
141 | } |
| ddae0931 |
142 | } |
| 143 | |
| 144 | |
| 145 | //___________________________________________ |
| 146 | void AliRICHv0::CreateGeometry() |
| 147 | { |
| 148 | // |
| 149 | // Create the geometry for RICH version 1 |
| 150 | // |
| 151 | // Modified by: N. Colonna (INFN - BARI, Nicola.Colonna@ba.infn.it) |
| 152 | // R.A. Fini (INFN - BARI, Rosanna.Fini@ba.infn.it) |
| 153 | // R.A. Loconsole (Bari University, loco@riscom.ba.infn.it) |
| 154 | // |
| 155 | //Begin_Html |
| 156 | /* |
| 157 | <img src="picts/AliRICHv1.gif"> |
| 158 | */ |
| 159 | //End_Html |
| 160 | //Begin_Html |
| 161 | /* |
| 162 | <img src="picts/AliRICHv1Tree.gif"> |
| 163 | */ |
| 164 | //End_Html |
| 6e36c0f2 |
165 | |
| 237c933d |
166 | AliRICH *pRICH = (AliRICH *) gAlice->GetDetector("RICH"); |
| 6e36c0f2 |
167 | AliRICHSegmentation* segmentation; |
| 168 | AliRICHGeometry* geometry; |
| 169 | AliRICHChamber* iChamber; |
| 170 | |
| 237c933d |
171 | iChamber = &(pRICH->Chamber(0)); |
| 6e36c0f2 |
172 | segmentation=iChamber->GetSegmentationModel(0); |
| 173 | geometry=iChamber->GetGeometryModel(); |
| 6d31e556 |
174 | |
| 175 | Float_t distance; |
| 176 | distance = geometry->GetFreonThickness()/2 + geometry->GetQuartzThickness() + geometry->GetGapThickness(); |
| 177 | geometry->SetRadiatorToPads(distance); |
| ddae0931 |
178 | |
| 179 | |
| 180 | Int_t *idtmed = fIdtmed->GetArray()-999; |
| 181 | |
| 182 | Int_t i; |
| 183 | Float_t zs; |
| 184 | Int_t idrotm[1099]; |
| 185 | Float_t par[3]; |
| 186 | |
| 187 | // --- Define the RICH detector |
| 188 | // External aluminium box |
| 189 | par[0] = 71.1; |
| 6e36c0f2 |
190 | par[1] = 11.5; //Original Settings |
| ddae0931 |
191 | par[2] = 73.15; |
| 6e36c0f2 |
192 | /*par[0] = 73.15; |
| 193 | par[1] = 11.5; |
| 194 | par[2] = 71.1;*/ |
| ddae0931 |
195 | gMC->Gsvolu("RICH", "BOX ", idtmed[1009], par, 3); |
| 196 | |
| 197 | // Sensitive part of the whole RICH |
| 198 | par[0] = 64.8; |
| 6e36c0f2 |
199 | par[1] = 11.5; //Original Settings |
| ddae0931 |
200 | par[2] = 66.55; |
| 6e36c0f2 |
201 | /*par[0] = 66.55; |
| 202 | par[1] = 11.5; |
| 203 | par[2] = 64.8;*/ |
| ddae0931 |
204 | gMC->Gsvolu("SRIC", "BOX ", idtmed[1000], par, 3); |
| 205 | |
| 206 | // Honeycomb |
| 207 | par[0] = 63.1; |
| 6e36c0f2 |
208 | par[1] = .188; //Original Settings |
| ddae0931 |
209 | par[2] = 66.55; |
| 6e36c0f2 |
210 | /*par[0] = 66.55; |
| 211 | par[1] = .188; |
| 212 | par[2] = 63.1;*/ |
| ddae0931 |
213 | gMC->Gsvolu("HONE", "BOX ", idtmed[1001], par, 3); |
| 214 | |
| 215 | // Aluminium sheet |
| 216 | par[0] = 63.1; |
| 6e36c0f2 |
217 | par[1] = .025; //Original Settings |
| ddae0931 |
218 | par[2] = 66.55; |
| 6e36c0f2 |
219 | /*par[0] = 66.5; |
| 220 | par[1] = .025; |
| 221 | par[2] = 63.1;*/ |
| ddae0931 |
222 | gMC->Gsvolu("ALUM", "BOX ", idtmed[1009], par, 3); |
| 223 | |
| 224 | // Quartz |
| 6e36c0f2 |
225 | par[0] = geometry->GetQuartzWidth()/2; |
| 226 | par[1] = geometry->GetQuartzThickness()/2; |
| 227 | par[2] = geometry->GetQuartzLength()/2; |
| 228 | /*par[0] = 63.1; |
| 229 | par[1] = .25; //Original Settings |
| 230 | par[2] = 65.5;*/ |
| 231 | /*par[0] = geometry->GetQuartzWidth()/2; |
| 232 | par[1] = geometry->GetQuartzThickness()/2; |
| 233 | par[2] = geometry->GetQuartzLength()/2;*/ |
| 234 | //printf("\n\n\n\n\n\n\n\\n\n\n\n Gap Thickness: %f %f %f\n\n\n\n\n\n\n\n\n\n\n\n\n\n",par[0],par[1],par[2]); |
| ddae0931 |
235 | gMC->Gsvolu("QUAR", "BOX ", idtmed[1002], par, 3); |
| 236 | |
| 237 | // Spacers (cylinders) |
| 238 | par[0] = 0.; |
| 239 | par[1] = .5; |
| 6e36c0f2 |
240 | par[2] = geometry->GetFreonThickness()/2; |
| ddae0931 |
241 | gMC->Gsvolu("SPAC", "TUBE", idtmed[1002], par, 3); |
| 242 | |
| 243 | // Opaque quartz |
| 244 | par[0] = 61.95; |
| 6e36c0f2 |
245 | par[1] = .2; //Original Settings |
| ddae0931 |
246 | par[2] = 66.5; |
| 6e36c0f2 |
247 | /*par[0] = 66.5; |
| 248 | par[1] = .2; |
| 249 | par[2] = 61.95;*/ |
| ddae0931 |
250 | gMC->Gsvolu("OQUA", "BOX ", idtmed[1007], par, 3); |
| 251 | |
| 6e36c0f2 |
252 | // Frame of opaque quartz |
| 253 | par[0] = geometry->GetOuterFreonWidth()/2; |
| 254 | par[1] = geometry->GetFreonThickness()/2; |
| 255 | par[2] = geometry->GetOuterFreonLength()/2 + 1; |
| 256 | /*par[0] = 20.65; |
| 257 | par[1] = .5; //Original Settings |
| 258 | par[2] = 66.5;*/ |
| 259 | /*par[0] = 66.5; |
| ddae0931 |
260 | par[1] = .5; |
| 6e36c0f2 |
261 | par[2] = 20.65;*/ |
| 262 | gMC->Gsvolu("OQF1", "BOX ", idtmed[1007], par, 3); |
| 263 | |
| 264 | par[0] = geometry->GetInnerFreonWidth()/2; |
| 265 | par[1] = geometry->GetFreonThickness()/2; |
| 266 | par[2] = geometry->GetInnerFreonLength()/2 + 1; |
| 267 | gMC->Gsvolu("OQF2", "BOX ", idtmed[1007], par, 3); |
| ddae0931 |
268 | |
| 269 | // Little bar of opaque quartz |
| 6e36c0f2 |
270 | par[0] = .275; |
| 271 | par[1] = geometry->GetQuartzThickness()/2; |
| 272 | par[2] = geometry->GetInnerFreonLength()/2 - 2.4; |
| 273 | /*par[0] = .275; |
| 274 | par[1] = .25; //Original Settings |
| 275 | par[2] = 63.1;*/ |
| 276 | /*par[0] = 63.1; |
| ddae0931 |
277 | par[1] = .25; |
| 6e36c0f2 |
278 | par[2] = .275;*/ |
| ddae0931 |
279 | gMC->Gsvolu("BARR", "BOX ", idtmed[1007], par, 3); |
| 280 | |
| 281 | // Freon |
| 6e36c0f2 |
282 | par[0] = geometry->GetOuterFreonWidth()/2; |
| 283 | par[1] = geometry->GetFreonThickness()/2; |
| 284 | par[2] = geometry->GetOuterFreonLength()/2; |
| 285 | /*par[0] = 20.15; |
| 286 | par[1] = .5; //Original Settings |
| 287 | par[2] = 65.5;*/ |
| 288 | /*par[0] = 65.5; |
| ddae0931 |
289 | par[1] = .5; |
| 6e36c0f2 |
290 | par[2] = 20.15;*/ |
| 291 | gMC->Gsvolu("FRE1", "BOX ", idtmed[1003], par, 3); |
| 292 | |
| 293 | par[0] = geometry->GetInnerFreonWidth()/2; |
| 294 | par[1] = geometry->GetFreonThickness()/2; |
| 295 | par[2] = geometry->GetInnerFreonLength()/2; |
| 296 | gMC->Gsvolu("FRE2", "BOX ", idtmed[1003], par, 3); |
| ddae0931 |
297 | |
| 298 | // Methane |
| 299 | par[0] = 64.8; |
| 6e36c0f2 |
300 | par[1] = geometry->GetGapThickness()/2; |
| 301 | //printf("\n\n\n\n\n\n\n\\n\n\n\n Gap Thickness: %f\n\n\n\n\n\n\n\n\n\n\n\n\n\n",par[1]); |
| ddae0931 |
302 | par[2] = 64.8; |
| 303 | gMC->Gsvolu("META", "BOX ", idtmed[1004], par, 3); |
| 304 | |
| 305 | // Methane gap |
| 306 | par[0] = 64.8; |
| 6e36c0f2 |
307 | par[1] = geometry->GetProximityGapThickness()/2; |
| 308 | //printf("\n\n\n\n\n\n\n\\n\n\n\n Gap Thickness: %f\n\n\n\n\n\n\n\n\n\n\n\n\n\n",par[1]); |
| ddae0931 |
309 | par[2] = 64.8; |
| 310 | gMC->Gsvolu("GAP ", "BOX ", idtmed[1008], par, 3); |
| 311 | |
| 312 | // CsI photocathode |
| 313 | par[0] = 64.8; |
| 314 | par[1] = .25; |
| 315 | par[2] = 64.8; |
| 316 | gMC->Gsvolu("CSI ", "BOX ", idtmed[1005], par, 3); |
| 317 | |
| 318 | // Anode grid |
| 319 | par[0] = 0.; |
| 6e36c0f2 |
320 | par[1] = .001; |
| ddae0931 |
321 | par[2] = 20.; |
| 322 | gMC->Gsvolu("GRID", "TUBE", idtmed[1006], par, 3); |
| 323 | |
| 324 | // --- Places the detectors defined with GSVOLU |
| 325 | // Place material inside RICH |
| 326 | gMC->Gspos("SRIC", 1, "RICH", 0., 0., 0., 0, "ONLY"); |
| 327 | |
| 6e36c0f2 |
328 | gMC->Gspos("ALUM", 1, "SRIC", 0., 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 -.05 - .376 -.025, 0., 0, "ONLY"); |
| 329 | gMC->Gspos("HONE", 1, "SRIC", 0., 1.276- geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 -.05 - .188, 0., 0, "ONLY"); |
| 330 | gMC->Gspos("ALUM", 2, "SRIC", 0., 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .025, 0., 0, "ONLY"); |
| 331 | gMC->Gspos("OQUA", 1, "SRIC", 0., 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .2, 0., 0, "ONLY"); |
| ddae0931 |
332 | |
| 333 | AliMatrix(idrotm[1019], 0., 0., 90., 0., 90., 90.); |
| 334 | |
| 6e36c0f2 |
335 | Int_t nspacers = (Int_t)(TMath::Abs(geometry->GetInnerFreonLength()/14.4)); |
| 336 | //printf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n Spacers:%d\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n",nspacers); |
| 6d31e556 |
337 | |
| c71fc6da |
338 | //printf("Nspacers: %d", nspacers); |
| 6e36c0f2 |
339 | |
| 340 | //for (i = 1; i <= 9; ++i) { |
| 341 | //zs = (5 - i) * 14.4; //Original settings |
| 6d31e556 |
342 | for (i = 0; i < nspacers; i++) { |
| 6e36c0f2 |
343 | zs = (TMath::Abs(nspacers/2) - i) * 14.4; |
| 344 | gMC->Gspos("SPAC", i, "FRE1", 6.7, 0., zs, idrotm[1019], "ONLY"); //Original settings |
| 345 | //gMC->Gspos("SPAC", i, "FRE1", zs, 0., 6.7, idrotm[1019], "ONLY"); |
| ddae0931 |
346 | } |
| 6e36c0f2 |
347 | //for (i = 10; i <= 18; ++i) { |
| 348 | //zs = (14 - i) * 14.4; //Original settings |
| 349 | for (i = nspacers; i < nspacers*2; ++i) { |
| 350 | zs = (nspacers + TMath::Abs(nspacers/2) - i) * 14.4; |
| 351 | gMC->Gspos("SPAC", i, "FRE1", -6.7, 0., zs, idrotm[1019], "ONLY"); //Original settings |
| 352 | //gMC->Gspos("SPAC", i, "FRE1", zs, 0., -6.7, idrotm[1019], "ONLY"); |
| 353 | } |
| 354 | |
| 355 | //for (i = 1; i <= 9; ++i) { |
| 356 | //zs = (5 - i) * 14.4; //Original settings |
| 6d31e556 |
357 | for (i = 0; i < nspacers; i++) { |
| 6e36c0f2 |
358 | zs = (TMath::Abs(nspacers/2) - i) * 14.4; |
| 359 | gMC->Gspos("SPAC", i, "FRE2", 6.7, 0., zs, idrotm[1019], "ONLY"); //Original settings |
| 360 | //gMC->Gspos("SPAC", i, "FRE2", zs, 0., 6.7, idrotm[1019], "ONLY"); |
| 361 | } |
| 362 | //for (i = 10; i <= 18; ++i) { |
| 363 | //zs = (5 - i) * 14.4; //Original settings |
| 364 | for (i = nspacers; i < nspacers*2; ++i) { |
| 365 | zs = (nspacers + TMath::Abs(nspacers/2) - i) * 14.4; |
| 366 | gMC->Gspos("SPAC", i, "FRE2", -6.7, 0., zs, idrotm[1019], "ONLY"); //Original settings |
| 367 | //gMC->Gspos("SPAC", i, "FRE2", zs, 0., -6.7, idrotm[1019], "ONLY"); |
| ddae0931 |
368 | } |
| 369 | |
| 6e36c0f2 |
370 | /*gMC->Gspos("FRE1", 1, "OQF1", 0., 0., 0., 0, "ONLY"); |
| 371 | gMC->Gspos("FRE2", 1, "OQF2", 0., 0., 0., 0, "ONLY"); |
| 372 | gMC->Gspos("OQF1", 1, "SRIC", 31.3, -4.724, 41.3, 0, "ONLY"); |
| 373 | gMC->Gspos("OQF2", 2, "SRIC", 0., -4.724, 0., 0, "ONLY"); |
| 374 | gMC->Gspos("OQF1", 3, "SRIC", -31.3, -4.724, -41.3, 0, "ONLY"); |
| 375 | gMC->Gspos("BARR", 1, "QUAR", -21.65, 0., 0., 0, "ONLY"); //Original settings |
| 376 | gMC->Gspos("BARR", 2, "QUAR", 21.65, 0., 0., 0, "ONLY"); //Original settings |
| ddae0931 |
377 | gMC->Gspos("QUAR", 1, "SRIC", 0., -3.974, 0., 0, "ONLY"); |
| 378 | gMC->Gspos("GAP ", 1, "META", 0., 4.8, 0., 0, "ONLY"); |
| 379 | gMC->Gspos("META", 1, "SRIC", 0., 1.276, 0., 0, "ONLY"); |
| 6e36c0f2 |
380 | gMC->Gspos("CSI ", 1, "SRIC", 0., 6.526, 0., 0, "ONLY");*/ |
| 381 | |
| 382 | |
| 383 | gMC->Gspos("FRE1", 1, "OQF1", 0., 0., 0., 0, "ONLY"); |
| 384 | gMC->Gspos("FRE2", 1, "OQF2", 0., 0., 0., 0, "ONLY"); |
| 385 | gMC->Gspos("OQF1", 1, "SRIC", geometry->GetOuterFreonWidth()/2 + geometry->GetInnerFreonWidth()/2, 1.276 - geometry->GetGapThickness()/2- geometry->GetQuartzThickness() -geometry->GetFreonThickness()/2, 0., 0, "ONLY"); //Original settings (31.3) |
| 386 | gMC->Gspos("OQF2", 2, "SRIC", 0., 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()/2, 0., 0, "ONLY"); //Original settings |
| 387 | gMC->Gspos("OQF1", 3, "SRIC", - (geometry->GetOuterFreonWidth()/2 + geometry->GetInnerFreonWidth()/2), 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()/2, 0., 0, "ONLY"); //Original settings (-31.3) |
| 388 | gMC->Gspos("BARR", 1, "QUAR", -21.65, 0., 0., 0, "ONLY"); //Original settings |
| 389 | gMC->Gspos("BARR", 2, "QUAR", 21.65, 0., 0., 0, "ONLY"); //Original settings |
| 390 | gMC->Gspos("QUAR", 1, "SRIC", 0., 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness()/2, 0., 0, "ONLY"); |
| 6d31e556 |
391 | gMC->Gspos("GAP ", 1, "META", 0., geometry->GetGapThickness()/2 - geometry->GetProximityGapThickness()/2 - 0.0001, 0., 0, "ONLY"); |
| 6e36c0f2 |
392 | gMC->Gspos("META", 1, "SRIC", 0., 1.276, 0., 0, "ONLY"); |
| 6d31e556 |
393 | gMC->Gspos("CSI ", 1, "SRIC", 0., 1.276 + geometry->GetGapThickness()/2 + .25, 0., 0, "ONLY"); |
| 394 | |
| c71fc6da |
395 | //printf("Position of the gap: %f to %f\n", 1.276 + geometry->GetGapThickness()/2 - geometry->GetProximityGapThickness()/2 - .2, 1.276 + geometry->GetGapThickness()/2 - geometry->GetProximityGapThickness()/2 + .2); |
| ddae0931 |
396 | |
| 397 | // Place RICH inside ALICE apparatus |
| 398 | |
| 399 | AliMatrix(idrotm[1000], 90., 0., 70.69, 90., 19.31, -90.); |
| 400 | AliMatrix(idrotm[1001], 90., -20., 90., 70., 0., 0.); |
| 401 | AliMatrix(idrotm[1002], 90., 0., 90., 90., 0., 0.); |
| 402 | AliMatrix(idrotm[1003], 90., 20., 90., 110., 0., 0.); |
| 403 | AliMatrix(idrotm[1004], 90., 340., 108.2, 70., 18.2, 70.); |
| 404 | AliMatrix(idrotm[1005], 90., 0., 109.31, 90., 19.31, 90.); |
| 405 | AliMatrix(idrotm[1006], 90., 20., 108.2, 110., 18.2, 110.); |
| 406 | |
| 407 | gMC->Gspos("RICH", 1, "ALIC", 0., 471.9, 165.26, idrotm[1000], "ONLY"); |
| 408 | gMC->Gspos("RICH", 2, "ALIC", 171., 470., 0., idrotm[1001], "ONLY"); |
| 409 | gMC->Gspos("RICH", 3, "ALIC", 0., 500., 0., idrotm[1002], "ONLY"); |
| 410 | gMC->Gspos("RICH", 4, "ALIC", -171., 470., 0., idrotm[1003], "ONLY"); |
| 411 | gMC->Gspos("RICH", 5, "ALIC", 161.4, 443.4, -165.3, idrotm[1004], "ONLY"); |
| 412 | gMC->Gspos("RICH", 6, "ALIC", 0., 471.9, -165.3, idrotm[1005], "ONLY"); |
| 413 | gMC->Gspos("RICH", 7, "ALIC", -161.4, 443.4, -165.3, idrotm[1006], "ONLY"); |
| 414 | |
| 415 | } |
| 416 | |
| 417 | |
| 418 | //___________________________________________ |
| 419 | void AliRICHv0::CreateMaterials() |
| 420 | { |
| 421 | // |
| 422 | // *** DEFINITION OF AVAILABLE RICH MATERIALS *** |
| 423 | // ORIGIN : NICK VAN EIJNDHOVEN |
| 424 | // Modified by: N. Colonna (INFN - BARI, Nicola.Colonna@ba.infn.it) |
| 425 | // R.A. Fini (INFN - BARI, Rosanna.Fini@ba.infn.it) |
| 426 | // R.A. Loconsole (Bari University, loco@riscom.ba.infn.it) |
| 427 | // |
| 237c933d |
428 | Int_t isxfld = gAlice->Field()->Integ(); |
| 429 | Float_t sxmgmx = gAlice->Field()->Max(); |
| 6e36c0f2 |
430 | Int_t i; |
| 431 | |
| 432 | /************************************Antonnelo's Values (14-vectors)*****************************************/ |
| 433 | /* |
| ddae0931 |
434 | Float_t ppckov[14] = { 5.63e-9,5.77e-9,5.9e-9,6.05e-9,6.2e-9,6.36e-9,6.52e-9, |
| 435 | 6.7e-9,6.88e-9,7.08e-9,7.3e-9,7.51e-9,7.74e-9,8e-9 }; |
| 237c933d |
436 | Float_t rIndexQuarz[14] = { 1.528309,1.533333, |
| ddae0931 |
437 | 1.538243,1.544223,1.550568,1.55777, |
| 438 | 1.565463,1.574765,1.584831,1.597027, |
| 439 | 1.611858,1.6277,1.6472,1.6724 }; |
| 237c933d |
440 | Float_t rIndexOpaqueQuarz[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. }; |
| 441 | Float_t rIndexMethane[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. }; |
| 442 | Float_t rIndexGrid[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. }; |
| 443 | Float_t abscoFreon[14] = { 179.0987,179.0987, |
| 6e36c0f2 |
444 | 179.0987,179.0987,179.0987,142.92,56.65,13.95,10.43,7.07,2.03,.5773,.33496,0. }; |
| 237c933d |
445 | //Float_t abscoFreon[14] = { 1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5, |
| 6e36c0f2 |
446 | // 1e-5,1e-5,1e-5,1e-5,1e-5 }; |
| 237c933d |
447 | Float_t abscoQuarz[14] = { 64.035,39.98,35.665,31.262,27.527,22.815,21.04,17.52, |
| 6e36c0f2 |
448 | 14.177,9.282,4.0925,1.149,.3627,.10857 }; |
| 237c933d |
449 | Float_t abscoOpaqueQuarz[14] = { 1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5, |
| ddae0931 |
450 | 1e-5,1e-5,1e-5,1e-5,1e-5 }; |
| 237c933d |
451 | Float_t abscoCsI[14] = { 1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4, |
| ddae0931 |
452 | 1e-4,1e-4,1e-4,1e-4 }; |
| 237c933d |
453 | Float_t abscoMethane[14] = { 1e6,1e6,1e6,1e6,1e6,1e6,1e6,1e6,1e6,1e6,1e6, |
| ddae0931 |
454 | 1e6,1e6,1e6 }; |
| 237c933d |
455 | Float_t abscoGrid[14] = { 1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4, |
| ddae0931 |
456 | 1e-4,1e-4,1e-4,1e-4 }; |
| 237c933d |
457 | Float_t efficAll[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. }; |
| 458 | Float_t efficCsI[14] = { 6e-4,.005,.0075,.01125,.045,.117,.135,.16575, |
| 6e36c0f2 |
459 | .17425,.1785,.1836,.1904,.1938,.221 }; |
| 237c933d |
460 | Float_t efficGrid[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. }; |
| 6e36c0f2 |
461 | */ |
| 462 | |
| 463 | |
| 464 | /**********************************End of Antonnelo's Values**********************************/ |
| 465 | |
| 466 | /**********************************Values from rich_media.f (31-vectors)**********************************/ |
| 467 | |
| 468 | |
| 469 | //Photons energy intervals |
| 470 | Float_t ppckov[26]; |
| 471 | for (i=0;i<26;i++) |
| 472 | { |
| 473 | ppckov[i] = (Float_t(i)*0.1+5.5)*1e-9; |
| 474 | //printf ("Energy intervals: %e\n",ppckov[i]); |
| 475 | } |
| 476 | |
| 477 | |
| 478 | //Refraction index for quarz |
| 237c933d |
479 | Float_t rIndexQuarz[26]; |
| 6e36c0f2 |
480 | Float_t e1= 10.666; |
| 481 | Float_t e2= 18.125; |
| 482 | Float_t f1= 46.411; |
| 483 | Float_t f2= 228.71; |
| 484 | for (i=0;i<26;i++) |
| 485 | { |
| 486 | Float_t ene=ppckov[i]*1e9; |
| 487 | Float_t a=f1/(e1*e1 - ene*ene); |
| 488 | Float_t b=f2/(e2*e2 - ene*ene); |
| 237c933d |
489 | rIndexQuarz[i] = TMath::Sqrt(1. + a + b ); |
| 490 | //printf ("rIndexQuarz: %e\n",rIndexQuarz[i]); |
| 6e36c0f2 |
491 | } |
| 492 | |
| 493 | //Refraction index for opaque quarz, methane and grid |
| 237c933d |
494 | Float_t rIndexOpaqueQuarz[26]; |
| 495 | Float_t rIndexMethane[26]; |
| 496 | Float_t rIndexGrid[26]; |
| 6e36c0f2 |
497 | for (i=0;i<26;i++) |
| 498 | { |
| 237c933d |
499 | rIndexOpaqueQuarz[i]=1; |
| 500 | rIndexMethane[i]=1.000444; |
| 501 | rIndexGrid[i]=1; |
| 502 | //printf ("rIndexOpaqueQuarz , etc: %e, %e, %e\n",rIndexOpaqueQuarz[i], rIndexMethane[i], rIndexGrid[i]=1); |
| 6e36c0f2 |
503 | } |
| 504 | |
| 505 | //Absorption index for freon |
| 237c933d |
506 | Float_t abscoFreon[26] = {179.0987, 179.0987, 179.0987, 179.0987, 179.0987, 179.0987, 179.0987, 179.0987, |
| 6e36c0f2 |
507 | 179.0987, 142.9206, 56.64957, 25.58622, 13.95293, 12.03905, 10.42953, 8.804196, |
| 508 | 7.069031, 4.461292, 2.028366, 1.293013, .577267, .40746, .334964, 0., 0., 0.}; |
| 509 | |
| 510 | //Absorption index for quarz |
| 511 | /*Float_t Qzt [21] = {.0,.0,.005,.04,.35,.647,.769,.808,.829,.844,.853,.858,.869,.887,.903,.902,.902, |
| 512 | .906,.907,.907,.907}; |
| 513 | Float_t Wavl2[] = {150.,155.,160.0,165.0,170.0,175.0,180.0,185.0,190.0,195.0,200.0,205.0,210.0, |
| 514 | 215.0,220.0,225.0,230.0,235.0,240.0,245.0,250.0}; |
| 237c933d |
515 | Float_t abscoQuarz[31]; |
| 6e36c0f2 |
516 | for (Int_t i=0;i<31;i++) |
| 517 | { |
| 518 | Float_t Xlam = 1237.79 / (ppckov[i]*1e9); |
| 237c933d |
519 | if (Xlam <= 160) abscoQuarz[i] = 0; |
| 520 | if (Xlam > 250) abscoQuarz[i] = 1; |
| 6e36c0f2 |
521 | else |
| 522 | { |
| 523 | for (Int_t j=0;j<21;j++) |
| 524 | { |
| 525 | //printf ("Passed\n"); |
| 526 | if (Xlam > Wavl2[j] && Xlam < Wavl2[j+1]) |
| 527 | { |
| 528 | Float_t Dabs = (Qzt[j+1] - Qzt[j])/(Wavl2[j+1] - Wavl2[j]); |
| 529 | Float_t Abso = Qzt[j] + Dabs*(Xlam - Wavl2[j]); |
| 237c933d |
530 | abscoQuarz[i] = -5.0/(TMath::Log(Abso)); |
| 6e36c0f2 |
531 | } |
| 532 | } |
| 533 | } |
| 237c933d |
534 | printf ("abscoQuarz: %e abscoFreon: %e for energy: %e\n",abscoQuarz[i],abscoFreon[i],ppckov[i]); |
| 6e36c0f2 |
535 | }*/ |
| 536 | |
| 237c933d |
537 | /*Float_t abscoQuarz[31] = {49.64211, 48.41296, 47.46989, 46.50492, 45.13682, 44.47883, 43.1929 , 41.30922, 40.5943 , |
| 6e36c0f2 |
538 | 39.82956, 38.98623, 38.6247 , 38.43448, 37.41084, 36.22575, 33.74852, 30.73901, 24.25086, |
| 539 | 17.94531, 11.88753, 5.99128, 3.83503, 2.36661, 1.53155, 1.30582, 1.08574, .8779708, |
| 540 | .675275, 0., 0., 0.}; |
| 541 | |
| 542 | for (Int_t i=0;i<31;i++) |
| 543 | { |
| 237c933d |
544 | abscoQuarz[i] = abscoQuarz[i]/10; |
| 6e36c0f2 |
545 | }*/ |
| 546 | |
| 237c933d |
547 | Float_t abscoQuarz [26] = {105.8, 65.52, 48.58, 42.85, 35.79, 31.262, 28.598, 27.527, 25.007, 22.815, 21.004, |
| 6e36c0f2 |
548 | 19.266, 17.525, 15.878, 14.177, 11.719, 9.282, 6.62, 4.0925, 2.601, 1.149, .667, .3627, |
| 549 | .192, .1497, .10857}; |
| 550 | |
| 551 | //Absorption index for methane |
| 237c933d |
552 | Float_t abscoMethane[26]; |
| 6e36c0f2 |
553 | for (i=0;i<26;i++) |
| 554 | { |
| 237c933d |
555 | abscoMethane[i]=AbsoCH4(ppckov[i]*1e9); |
| 556 | //printf("abscoMethane: %e for energy: %e\n", abscoMethane[i],ppckov[i]*1e9); |
| 6e36c0f2 |
557 | } |
| 558 | |
| 559 | //Absorption index for opaque quarz, csi and grid, efficiency for all and grid |
| 237c933d |
560 | Float_t abscoOpaqueQuarz[26]; |
| 561 | Float_t abscoCsI[26]; |
| 562 | Float_t abscoGrid[26]; |
| 563 | Float_t efficAll[26]; |
| 564 | Float_t efficGrid[26]; |
| 6e36c0f2 |
565 | for (i=0;i<26;i++) |
| 566 | { |
| 237c933d |
567 | abscoOpaqueQuarz[i]=1e-5; |
| 568 | abscoCsI[i]=1e-4; |
| 569 | abscoGrid[i]=1e-4; |
| 570 | efficAll[i]=1; |
| 571 | efficGrid[i]=1; |
| 572 | //printf ("All must be 1: %e, %e, %e, %e, %e\n",abscoOpaqueQuarz[i],abscoCsI[i],abscoGrid[i],efficAll[i],efficGrid[i]); |
| 6e36c0f2 |
573 | } |
| 574 | |
| 575 | //Efficiency for csi |
| 576 | |
| 237c933d |
577 | Float_t efficCsI[26] = {0.000199999995, 0.000600000028, 0.000699999975, 0.00499999989, 0.00749999983, 0.010125, |
| 6e36c0f2 |
578 | 0.0242999997, 0.0405000001, 0.0688500032, 0.105299994, 0.121500008, 0.141749993, 0.157949999, |
| 579 | 0.162, 0.166050002, 0.167669997, 0.174299985, 0.176789999, 0.179279998, 0.182599992, 0.18592, |
| 580 | 0.187579989, 0.189239994, 0.190899998, 0.207499996, 0.215799987}; |
| 581 | |
| 582 | |
| 583 | |
| 584 | //FRESNEL LOSS CORRECTION FOR PERPENDICULAR INCIDENCE AND |
| 585 | //UNPOLARIZED PHOTONS |
| 586 | |
| 587 | for (i=0;i<26;i++) |
| 588 | { |
| 237c933d |
589 | efficCsI[i] = efficCsI[i]/(1.-Fresnel(ppckov[i]*1e9,1.,0)); |
| 6e36c0f2 |
590 | //printf ("Fresnel result: %e for energy: %e\n",Fresnel(ppckov[i]*1e9,1.,0),ppckov[i]*1e9); |
| 591 | } |
| 592 | |
| 593 | /*******************************************End of rich_media.f***************************************/ |
| 594 | |
| 595 | |
| 596 | |
| 597 | |
| 598 | |
| ddae0931 |
599 | |
| 600 | Float_t afre[2], agri, amet[2], aqua[2], ahon, zfre[2], zgri, zhon, |
| 601 | zmet[2], zqua[2]; |
| 602 | Int_t nlmatfre; |
| 603 | Float_t densquao; |
| 604 | Int_t nlmatmet, nlmatqua; |
| 237c933d |
605 | Float_t wmatquao[2], rIndexFreon[26]; |
| ddae0931 |
606 | Float_t aquao[2], epsil, stmin, zquao[2]; |
| 607 | Int_t nlmatquao; |
| 608 | Float_t radlal, densal, tmaxfd, deemax, stemax; |
| 609 | Float_t aal, zal, radlgri, densfre, radlhon, densgri, denshon,densqua, densmet, wmatfre[2], wmatmet[2], wmatqua[2]; |
| 610 | |
| 611 | Int_t *idtmed = fIdtmed->GetArray()-999; |
| 612 | |
| 613 | TGeant3 *geant3 = (TGeant3*) gMC; |
| 614 | |
| 615 | // --- Photon energy (GeV) |
| 616 | // --- Refraction indexes |
| 6e36c0f2 |
617 | for (i = 0; i < 26; ++i) { |
| 237c933d |
618 | rIndexFreon[i] = ppckov[i] * .0172 * 1e9 + 1.177; |
| 619 | //printf ("rIndexFreon: %e \n efficCsI: %e for energy: %e\n",rIndexFreon[i], efficCsI[i], ppckov[i]); |
| ddae0931 |
620 | } |
| 6e36c0f2 |
621 | |
| ddae0931 |
622 | // --- Detection efficiencies (quantum efficiency for CsI) |
| 623 | // --- Define parameters for honeycomb. |
| 624 | // Used carbon of equivalent rad. lenght |
| 625 | |
| 626 | ahon = 12.01; |
| 627 | zhon = 6.; |
| 628 | denshon = 2.265; |
| 629 | radlhon = 18.8; |
| 630 | |
| 631 | // --- Parameters to include in GSMIXT, relative to Quarz (SiO2) |
| 632 | |
| 633 | aqua[0] = 28.09; |
| 634 | aqua[1] = 16.; |
| 635 | zqua[0] = 14.; |
| 636 | zqua[1] = 8.; |
| 637 | densqua = 2.64; |
| 638 | nlmatqua = -2; |
| 639 | wmatqua[0] = 1.; |
| 640 | wmatqua[1] = 2.; |
| 641 | |
| 642 | // --- Parameters to include in GSMIXT, relative to opaque Quarz (SiO2) |
| 643 | |
| 644 | aquao[0] = 28.09; |
| 645 | aquao[1] = 16.; |
| 646 | zquao[0] = 14.; |
| 647 | zquao[1] = 8.; |
| 648 | densquao = 2.64; |
| 649 | nlmatquao = -2; |
| 650 | wmatquao[0] = 1.; |
| 651 | wmatquao[1] = 2.; |
| 652 | |
| 653 | // --- Parameters to include in GSMIXT, relative to Freon (C6F14) |
| 654 | |
| 655 | afre[0] = 12.; |
| 656 | afre[1] = 19.; |
| 657 | zfre[0] = 6.; |
| 658 | zfre[1] = 9.; |
| 659 | densfre = 1.7; |
| 660 | nlmatfre = -2; |
| 661 | wmatfre[0] = 6.; |
| 662 | wmatfre[1] = 14.; |
| 663 | |
| 664 | // --- Parameters to include in GSMIXT, relative to methane (CH4) |
| 665 | |
| 666 | amet[0] = 12.01; |
| 667 | amet[1] = 1.; |
| 668 | zmet[0] = 6.; |
| 669 | zmet[1] = 1.; |
| 670 | densmet = 7.17e-4; |
| 671 | nlmatmet = -2; |
| 672 | wmatmet[0] = 1.; |
| 673 | wmatmet[1] = 4.; |
| 674 | |
| 675 | // --- Parameters to include in GSMIXT, relative to anode grid (Cu) |
| 676 | |
| 677 | agri = 63.54; |
| 678 | zgri = 29.; |
| 679 | densgri = 8.96; |
| 680 | radlgri = 1.43; |
| 681 | |
| 682 | // --- Parameters to include in GSMATE related to aluminium sheet |
| 683 | |
| 684 | aal = 26.98; |
| 685 | zal = 13.; |
| 686 | densal = 2.7; |
| 687 | radlal = 8.9; |
| 688 | |
| 689 | AliMaterial(1, "Air $", 14.61, 7.3, .001205, 30420., 67500); |
| 690 | AliMaterial(6, "HON", ahon, zhon, denshon, radlhon, 0); |
| 691 | AliMaterial(16, "CSI", ahon, zhon, denshon, radlhon, 0); |
| 692 | AliMixture(20, "QUA", aqua, zqua, densqua, nlmatqua, wmatqua); |
| 693 | AliMixture(21, "QUAO", aquao, zquao, densquao, nlmatquao, wmatquao); |
| 694 | AliMixture(30, "FRE", afre, zfre, densfre, nlmatfre, wmatfre); |
| 695 | AliMixture(40, "MET", amet, zmet, densmet, nlmatmet, wmatmet); |
| 696 | AliMixture(41, "METG", amet, zmet, densmet, nlmatmet, wmatmet); |
| 697 | AliMaterial(11, "GRI", agri, zgri, densgri, radlgri, 0); |
| 698 | AliMaterial(50, "ALUM", aal, zal, densal, radlal, 0); |
| 699 | |
| 700 | tmaxfd = -10.; |
| 701 | stemax = -.1; |
| 702 | deemax = -.2; |
| 703 | epsil = .001; |
| 704 | stmin = -.001; |
| 705 | |
| 237c933d |
706 | AliMedium(1, "DEFAULT MEDIUM AIR$", 1, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
| 707 | AliMedium(2, "HONEYCOMB$", 6, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
| 708 | AliMedium(3, "QUARZO$", 20, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
| 709 | AliMedium(4, "FREON$", 30, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
| 710 | AliMedium(5, "METANO$", 40, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
| 711 | AliMedium(6, "CSI$", 16, 1, isxfld, sxmgmx,tmaxfd, stemax, deemax, epsil, stmin); |
| 712 | AliMedium(7, "GRIGLIA$", 11, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
| 713 | AliMedium(8, "QUARZOO$", 21, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
| 714 | AliMedium(9, "GAP$", 41, 1, isxfld, sxmgmx,tmaxfd, .1, -deemax, epsil, -stmin); |
| 715 | AliMedium(10, "ALUMINUM$", 50, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
| 716 | |
| 717 | |
| 718 | geant3->Gsckov(idtmed[1000], 26, ppckov, abscoMethane, efficAll, rIndexMethane); |
| 719 | geant3->Gsckov(idtmed[1001], 26, ppckov, abscoMethane, efficAll, rIndexMethane); |
| 720 | geant3->Gsckov(idtmed[1002], 26, ppckov, abscoQuarz, efficAll,rIndexQuarz); |
| 721 | geant3->Gsckov(idtmed[1003], 26, ppckov, abscoFreon, efficAll,rIndexFreon); |
| 722 | geant3->Gsckov(idtmed[1004], 26, ppckov, abscoMethane, efficAll, rIndexMethane); |
| 723 | geant3->Gsckov(idtmed[1005], 26, ppckov, abscoCsI, efficCsI, rIndexMethane); |
| 724 | geant3->Gsckov(idtmed[1006], 26, ppckov, abscoGrid, efficGrid, rIndexGrid); |
| 725 | geant3->Gsckov(idtmed[1007], 26, ppckov, abscoOpaqueQuarz, efficAll, rIndexOpaqueQuarz); |
| 726 | geant3->Gsckov(idtmed[1008], 26, ppckov, abscoMethane, efficAll, rIndexMethane); |
| 727 | geant3->Gsckov(idtmed[1009], 26, ppckov, abscoGrid, efficGrid, rIndexGrid); |
| 6e36c0f2 |
728 | } |
| 729 | |
| 730 | //___________________________________________ |
| 731 | |
| 732 | Float_t AliRICHv0::Fresnel(Float_t ene,Float_t pdoti, Bool_t pola) |
| 733 | { |
| 734 | |
| 735 | //ENE(EV), PDOTI=COS(INC.ANG.), PDOTR=COS(POL.PLANE ROT.ANG.) |
| 736 | |
| 737 | Float_t en[36] = {5.0,5.1,5.2,5.3,5.4,5.5,5.6,5.7,5.8,5.9,6.0,6.1,6.2, |
| 738 | 6.3,6.4,6.5,6.6,6.7,6.8,6.9,7.0,7.1,7.2,7.3,7.4,7.5,7.6,7.7, |
| 739 | 7.8,7.9,8.0,8.1,8.2,8.3,8.4,8.5}; |
| 740 | |
| 741 | |
| 742 | Float_t csin[36] = {2.14,2.21,2.33,2.48,2.76,2.97,2.99,2.59,2.81,3.05, |
| 743 | 2.86,2.53,2.55,2.66,2.79,2.96,3.18,3.05,2.84,2.81,2.38,2.11, |
| 744 | 2.01,2.13,2.39,2.73,3.08,3.15,2.95,2.73,2.56,2.41,2.12,1.95, |
| 745 | 1.72,1.53}; |
| 746 | |
| 747 | Float_t csik[36] = {0.,0.,0.,0.,0.,0.196,0.408,0.208,0.118,0.49,0.784,0.543, |
| 748 | 0.424,0.404,0.371,0.514,0.922,1.102,1.139,1.376,1.461,1.253,0.878, |
| 749 | 0.69,0.612,0.649,0.824,1.347,1.571,1.678,1.763,1.857,1.824,1.824, |
| 750 | 1.714,1.498}; |
| 751 | Float_t xe=ene; |
| 752 | Int_t j=Int_t(xe*10)-49; |
| 753 | Float_t cn=csin[j]+((csin[j+1]-csin[j])/0.1)*(xe-en[j]); |
| 754 | Float_t ck=csik[j]+((csik[j+1]-csik[j])/0.1)*(xe-en[j]); |
| 755 | |
| 756 | //FORMULAE FROM HANDBOOK OF OPTICS, 33.23 OR |
| 757 | //W.R. HUNTER, J.O.S.A. 54 (1964),15 , J.O.S.A. 55(1965),1197 |
| 758 | |
| 759 | Float_t sinin=TMath::Sqrt(1-pdoti*pdoti); |
| 760 | Float_t tanin=sinin/pdoti; |
| 761 | |
| 762 | Float_t c1=cn*cn-ck*ck-sinin*sinin; |
| 763 | Float_t c2=4*cn*cn*ck*ck; |
| 764 | Float_t aO=TMath::Sqrt(0.5*(TMath::Sqrt(c1*c1+c2)+c1)); |
| 765 | Float_t b2=0.5*(TMath::Sqrt(c1*c1+c2)-c1); |
| 766 | |
| 767 | Float_t rs=((aO-pdoti)*(aO-pdoti)+b2)/((aO+pdoti)*(aO+pdoti)+b2); |
| 768 | Float_t rp=rs*((aO-sinin*tanin)*(aO-sinin*tanin)+b2)/((aO+sinin*tanin)*(aO+sinin*tanin)+b2); |
| 769 | |
| 770 | |
| 771 | //CORRECTION FACTOR FOR SURFACE ROUGHNESS |
| 772 | //B.J. STAGG APPLIED OPTICS, 30(1991),4113 |
| 773 | |
| 774 | Float_t sigraf=18.; |
| 775 | Float_t lamb=1240/ene; |
| 776 | Float_t fresn; |
| 777 | |
| 778 | Float_t rO=TMath::Exp(-(4*TMath::Pi()*pdoti*sigraf/lamb)*(4*TMath::Pi()*pdoti*sigraf/lamb)); |
| 779 | |
| 780 | if(pola) |
| 781 | { |
| 782 | Float_t pdotr=0.8; //DEGREE OF POLARIZATION : 1->P , -1->S |
| 783 | fresn=0.5*(rp*(1+pdotr)+rs*(1-pdotr)); |
| 784 | } |
| 785 | else |
| 786 | fresn=0.5*(rp+rs); |
| 787 | |
| 788 | fresn = fresn*rO; |
| 789 | return(fresn); |
| 790 | } |
| 791 | |
| 792 | //__________________________________________ |
| 793 | |
| 794 | Float_t AliRICHv0::AbsoCH4(Float_t x) |
| 795 | { |
| 796 | |
| 237c933d |
797 | //KLOSCH,SCH4(9),WL(9),EM(9),ALENGTH(31) |
| 6e36c0f2 |
798 | Float_t sch4[9] = {.12,.16,.23,.38,.86,2.8,7.9,28.,80.}; //MB X 10^22 |
| 799 | //Float_t wl[9] = {153.,152.,151.,150.,149.,148.,147.,146.,145}; |
| 800 | Float_t em[9] = {8.1,8.158,8.212,8.267,8.322,8.378,8.435,8.493,8.55}; |
| 237c933d |
801 | const Float_t kLosch=2.686763E19; // LOSCHMIDT NUMBER IN CM-3 |
| 802 | const Float_t kIgas1=100, kIgas2=0, kOxy=10., kWater=5., kPressure=750.,kTemperature=283.; |
| 803 | Float_t pn=kPressure/760.; |
| 804 | Float_t tn=kTemperature/273.16; |
| 6e36c0f2 |
805 | |
| 806 | |
| 807 | // ------- METHANE CROSS SECTION ----------------- |
| 808 | // ASTROPH. J. 214, L47 (1978) |
| 809 | |
| 810 | Float_t sm=0; |
| 811 | if (x<7.75) |
| 812 | sm=.06e-22; |
| 813 | |
| 814 | if(x>=7.75 && x<=8.1) |
| 815 | { |
| 816 | Float_t c0=-1.655279e-1; |
| 817 | Float_t c1=6.307392e-2; |
| 818 | Float_t c2=-8.011441e-3; |
| 819 | Float_t c3=3.392126e-4; |
| 820 | sm=(c0+c1*x+c2*x*x+c3*x*x*x)*1.e-18; |
| 821 | } |
| 822 | |
| 823 | if (x> 8.1) |
| 824 | { |
| 825 | Int_t j=0; |
| 826 | while (x<=em[j] && x>=em[j+1]) |
| 827 | { |
| 828 | j++; |
| 829 | Float_t a=(sch4[j+1]-sch4[j])/(em[j+1]-em[j]); |
| 830 | sm=(sch4[j]+a*(x-em[j]))*1e-22; |
| 831 | } |
| 832 | } |
| 833 | |
| 237c933d |
834 | Float_t dm=(kIgas1/100.)*(1.-((kOxy+kWater)/1.e6))*kLosch*pn/tn; |
| 6e36c0f2 |
835 | Float_t abslm=1./sm/dm; |
| ddae0931 |
836 | |
| 6e36c0f2 |
837 | // ------- ISOBUTHANE CROSS SECTION -------------- |
| 838 | // i-C4H10 (ai) abs. length from curves in |
| 839 | // Lu-McDonald paper for BARI RICH workshop . |
| 840 | // ----------------------------------------------------------- |
| 841 | |
| 842 | Float_t ai; |
| 843 | Float_t absli; |
| 237c933d |
844 | if (kIgas2 != 0) |
| 6e36c0f2 |
845 | { |
| 846 | if (x<7.25) |
| 847 | ai=100000000.; |
| 848 | |
| 849 | if(x>=7.25 && x<7.375) |
| 850 | ai=24.3; |
| 851 | |
| 852 | if(x>=7.375) |
| 853 | ai=.0000000001; |
| 854 | |
| 237c933d |
855 | Float_t si = 1./(ai*kLosch*273.16/293.); // ISOB. CRO.SEC.IN CM2 |
| 856 | Float_t di=(kIgas2/100.)*(1.-((kOxy+kWater)/1.e6))*kLosch*pn/tn; |
| 6e36c0f2 |
857 | absli =1./si/di; |
| 858 | } |
| 859 | else |
| 860 | absli=1.e18; |
| 861 | // --------------------------------------------------------- |
| 862 | // |
| 863 | // transmission of O2 |
| 864 | // |
| 865 | // y= path in cm, x=energy in eV |
| 866 | // so= cross section for UV absorption in cm2 |
| 867 | // do= O2 molecular density in cm-3 |
| 868 | // --------------------------------------------------------- |
| 869 | |
| 870 | Float_t abslo; |
| 871 | Float_t so=0; |
| 872 | if(x>=6.0) |
| 873 | { |
| 874 | if(x>=6.0 && x<6.5) |
| 875 | { |
| 876 | so=3.392709e-13 * TMath::Exp(2.864104 *x); |
| 877 | so=so*1e-18; |
| 878 | } |
| 879 | |
| 880 | if(x>=6.5 && x<7.0) |
| 881 | { |
| 882 | so=2.910039e-34 * TMath::Exp(10.3337*x); |
| 883 | so=so*1e-18; |
| 884 | } |
| 885 | |
| 886 | |
| 887 | if (x>=7.0) |
| 888 | { |
| 889 | Float_t a0=-73770.76; |
| 890 | Float_t a1=46190.69; |
| 891 | Float_t a2=-11475.44; |
| 892 | Float_t a3=1412.611; |
| 893 | Float_t a4=-86.07027; |
| 894 | Float_t a5=2.074234; |
| 895 | so= a0+(a1*x)+(a2*x*x)+(a3*x*x*x)+(a4*x*x*x*x)+(a5*x*x*x*x*x); |
| 896 | so=so*1e-18; |
| 897 | } |
| 898 | |
| 237c933d |
899 | Float_t dox=(kOxy/1e6)*kLosch*pn/tn; |
| 6e36c0f2 |
900 | abslo=1./so/dox; |
| 901 | } |
| 902 | else |
| 903 | abslo=1.e18; |
| 904 | // --------------------------------------------------------- |
| 905 | // |
| 906 | // transmission of H2O |
| 907 | // |
| 908 | // y= path in cm, x=energy in eV |
| 909 | // sw= cross section for UV absorption in cm2 |
| 910 | // dw= H2O molecular density in cm-3 |
| 911 | // --------------------------------------------------------- |
| 912 | |
| 913 | Float_t abslw; |
| 914 | |
| 915 | Float_t b0=29231.65; |
| 916 | Float_t b1=-15807.74; |
| 917 | Float_t b2=3192.926; |
| 918 | Float_t b3=-285.4809; |
| 919 | Float_t b4=9.533944; |
| 920 | |
| 921 | if(x>6.75) |
| 922 | { |
| 923 | Float_t sw= b0+(b1*x)+(b2*x*x)+(b3*x*x*x)+(b4*x*x*x*x); |
| 924 | sw=sw*1e-18; |
| 237c933d |
925 | Float_t dw=(kWater/1e6)*kLosch*pn/tn; |
| 6e36c0f2 |
926 | abslw=1./sw/dw; |
| 927 | } |
| 928 | else |
| 929 | abslw=1.e18; |
| 930 | |
| 931 | // --------------------------------------------------------- |
| 932 | |
| 933 | Float_t alength=1./(1./abslm+1./absli+1./abslo+1./abslw); |
| 934 | return (alength); |
| ddae0931 |
935 | } |
| 936 | |
| 6e36c0f2 |
937 | |
| 938 | |
| 939 | |
| ddae0931 |
940 | //___________________________________________ |
| 941 | |
| 942 | void AliRICHv0::Init() |
| 943 | { |
| c71fc6da |
944 | |
| 945 | printf("*********************************** RICH_INIT ***********************************\n"); |
| 946 | printf("* *\n"); |
| 947 | printf("* AliRICHv0 Default version started *\n"); |
| 948 | printf("* *\n"); |
| 949 | |
| 950 | |
| 951 | AliRICHSegmentation* segmentation; |
| 952 | AliRICHGeometry* geometry; |
| 953 | AliRICHResponse* response; |
| 954 | |
| 955 | |
| ddae0931 |
956 | // |
| 957 | // Initialize Tracking Chambers |
| 958 | // |
| 237c933d |
959 | for (Int_t i=1; i<kNCH; i++) { |
| 6e36c0f2 |
960 | //printf ("i:%d",i); |
| 961 | ( (AliRICHChamber*) (*fChambers)[i])->Init(); |
| 962 | } |
| ddae0931 |
963 | |
| 964 | // |
| 965 | // Set the chamber (sensitive region) GEANT identifier |
| 966 | |
| 6e36c0f2 |
967 | ((AliRICHChamber*)(*fChambers)[0])->SetGid(1); |
| 968 | ((AliRICHChamber*)(*fChambers)[1])->SetGid(2); |
| 969 | ((AliRICHChamber*)(*fChambers)[2])->SetGid(3); |
| 970 | ((AliRICHChamber*)(*fChambers)[3])->SetGid(4); |
| 971 | ((AliRICHChamber*)(*fChambers)[4])->SetGid(5); |
| 972 | ((AliRICHChamber*)(*fChambers)[5])->SetGid(6); |
| 973 | ((AliRICHChamber*)(*fChambers)[6])->SetGid(7); |
| 974 | |
| 975 | Float_t pos1[3]={0,471.8999,165.2599}; |
| 976 | Chamber(0).SetChamberTransform(pos1[0],pos1[1],pos1[2],new TRotMatrix("rot993","rot993",90,0,70.69,90,19.30999,-90)); |
| 977 | |
| 978 | Float_t pos2[3]={171,470,0}; |
| 979 | Chamber(1).SetChamberTransform(pos2[0],pos2[1],pos2[2],new TRotMatrix("rot994","rot994",90,-20,90,70,0,0)); |
| 980 | |
| 981 | Float_t pos3[3]={0,500,0}; |
| 982 | Chamber(2).SetChamberTransform(pos3[0],pos3[1],pos3[2],new TRotMatrix("rot995","rot995",90,0,90,90,0,0)); |
| 983 | |
| 984 | Float_t pos4[3]={-171,470,0}; |
| 985 | Chamber(3).SetChamberTransform(pos4[0],pos4[1],pos4[2], new TRotMatrix("rot996","rot996",90,20,90,110,0,0)); |
| 986 | |
| 987 | Float_t pos5[3]={161.3999,443.3999,-165.3}; |
| 988 | Chamber(4).SetChamberTransform(pos5[0],pos5[1],pos5[2],new TRotMatrix("rot997","rot997",90,340,108.1999,70,18.2,70)); |
| 989 | |
| 990 | Float_t pos6[3]={0., 471.9, -165.3,}; |
| 991 | Chamber(5).SetChamberTransform(pos6[0],pos6[1],pos6[2],new TRotMatrix("rot998","rot998",90,0,109.3099,90,19.30999,90)); |
| 992 | |
| 993 | Float_t pos7[3]={-161.399,443.3999,-165.3}; |
| 994 | Chamber(6).SetChamberTransform(pos7[0],pos7[1],pos7[2],new TRotMatrix("rot999","rot999",90,20,108.1999,110,18.2,110)); |
| ddae0931 |
995 | |
| c71fc6da |
996 | segmentation=Chamber(0).GetSegmentationModel(0); |
| 997 | geometry=Chamber(0).GetGeometryModel(); |
| 998 | response=Chamber(0).GetResponseModel(); |
| 999 | |
| 1000 | |
| 1001 | printf("* Pads : %3dx%3d *\n",segmentation->Npx(),segmentation->Npy()); |
| 1002 | printf("* Pad size : %5.2f x%5.2f mm2 *\n",segmentation->Dpx(),segmentation->Dpy()); |
| 1003 | printf("* Gap Thickness : %5.1f mm *\n",geometry->GetGapThickness()); |
| 1004 | printf("* Radiator Width : %5.1f mm *\n",geometry->GetQuartzWidth()); |
| 1005 | printf("* Radiator Length : %5.1f mm *\n",geometry->GetQuartzLength()); |
| 1006 | printf("* Freon Thickness : %5.1f mm *\n",geometry->GetFreonThickness()); |
| 1007 | printf("* Charge Slope : %5.1f ADC *\n",response->ChargeSlope()); |
| 1008 | printf("* Feedback Prob. : %5.2f %% *\n",response->AlphaFeedback()); |
| 1009 | printf("* *\n"); |
| 1010 | printf("* Success! *\n"); |
| 1011 | printf("* *\n"); |
| 1012 | printf("*********************************************************************************\n"); |
| 1013 | |
| ddae0931 |
1014 | } |
| 1015 | |
| 1016 | //___________________________________________ |
| 1017 | void AliRICHv0::StepManager() |
| 1018 | { |
| c71fc6da |
1019 | //Dummy step manager |
| ddae0931 |
1020 | } |
| 1021 | |
| 1022 | |
| 1023 | //___________________________________________ |
git://git.uio.no / u / mrichter / AliRoot.git / blame