| dc7ca31d |
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 | // T0 ( T-zero) detector version 1 // |
| 21 | // |
| 22 | //Begin Html |
| 23 | /* |
| 24 | <img src="gif/AliT0v1Class.gif"> |
| 25 | */ |
| 26 | //End Html |
| 27 | // // |
| 28 | // // |
| 29 | ////////////////////////////////////////////////////////////////////// |
| 30 | |
| 31 | #include <Riostream.h> |
| 32 | #include <stdlib.h> |
| 33 | |
| 34 | #include <TGeometry.h> |
| 35 | #include <TLorentzVector.h> |
| 36 | #include <TMath.h> |
| 37 | #include <TNode.h> |
| 38 | #include <TTUBE.h> |
| 39 | #include <TVirtualMC.h> |
| 40 | #include "TGeoManager.h" |
| 41 | #include "TGeoPgon.h" |
| 42 | #include "TGeoTube.h" |
| 43 | #include "TGeoCompositeShape.h" |
| 44 | #include <TGraph.h> |
| 45 | |
| 46 | #include "AliLog.h" |
| 47 | #include "AliMagF.h" |
| 48 | #include "AliRun.h" |
| 49 | |
| 50 | #include "AliT0hit.h" |
| 51 | #include "AliT0v1.h" |
| 52 | #include "AliT0Parameters.h" |
| 53 | |
| 54 | #include "AliMC.h" |
| 55 | #include "AliCDBLocal.h" |
| 56 | #include "AliCDBStorage.h" |
| 57 | #include "AliCDBManager.h" |
| 58 | #include "AliCDBEntry.h" |
| 59 | |
| 60 | ClassImp(AliT0v1) |
| 61 | |
| 62 | //-------------------------------------------------------------------- |
| 63 | AliT0v1::AliT0v1(const char *name, const char *title): |
| 64 | AliT0(name,title), |
| 65 | fIdSens1(0) |
| 66 | { |
| 67 | // |
| 68 | // Standart constructor for T0 Detector version 0 |
| 69 | // |
| 70 | fIshunt = 2; |
| 71 | AliT0Parameters* param = AliT0Parameters::Instance(); |
| 72 | for (Int_t i=0; i<24; i++){ |
| 73 | TGraph* grEff = param ->GetPMTeff(i); |
| 74 | fEffPMT.AddAtAndExpand(grEff,i); |
| 75 | } |
| 76 | } |
| 77 | //_____________________________________________________________________________ |
| 78 | |
| 79 | AliT0v1::~AliT0v1() |
| 80 | { |
| 81 | // desctructor |
| 82 | } |
| 83 | |
| 84 | //------------------------------------------------------------------------- |
| 85 | void AliT0v1::CreateGeometry() |
| 86 | { |
| 87 | // |
| 88 | // Create the geometry of T0 Detector version 0 |
| 89 | // |
| 90 | // begin Html |
| 91 | /* |
| 92 | <img src="gif/AliT0v0.gif"> |
| 93 | */ |
| 94 | // |
| 95 | |
| 96 | |
| 97 | Int_t *idtmed = fIdtmed->GetArray(); |
| 98 | /* |
| 99 | AliT0Parameters* param = AliT0Parameters::Instance(); |
| 100 | param->Init(); |
| 101 | Float_t zdetC = param->GetZposition(0); |
| 102 | Float_t zdetA = param->GetZposition(1); |
| 103 | */ |
| 104 | Float_t zdetC = 69.7; |
| 105 | Float_t zdetA = 373.; |
| 106 | |
| 107 | Int_t is; |
| 108 | Int_t idrotm[999]; |
| 109 | Float_t x,y,z; |
| 110 | //C T0 mother volume |
| 111 | Float_t pstartR[18]={0., 360., 5., |
| 112 | -6.8, 4.25, 10., //-76.5+0.00+69.7 |
| 113 | -0.75 , 4.5, 10., // -76.5+6.05+69.7 |
| 114 | 1.25 , 4.5, 10., //-76.5+8.05+69.7 |
| 115 | 1.25 , 5.1, 10., //-76.5+8.05+69.7 |
| 116 | 6.8 , 5.1, 10.}; //-62.9+0.00+69.7 |
| 117 | |
| 118 | Float_t pstart[3]={4., 12.5,6.8}; |
| 119 | Float_t pinstart[3]={0.,1.6,6.5}; |
| 120 | Float_t ppmt[3]={0.,1.5,3.5}; |
| 121 | Float_t ptop[3]={0.,1.,1.0}; |
| 122 | Float_t preg[3]={0., 1.0, 0.005}; //photcathode dobavil bogdanov |
| 123 | Float_t ptopout[3]={1.,1.01, 1.}; //metal air around raiator for photos reflection |
| 124 | Float_t pbot[3]={0.6,1.2,0.1}; |
| 125 | Float_t pglass[3]={1.2,1.3,2.}; |
| 126 | Float_t pcer[3]={0.9,1.1,1.35}; |
| 127 | Float_t psteel[3]={0.9,1.1,0.15}; |
| 128 | Float_t psupport1[3] = {4.51,4.6,4.0};//C kozhuh vnutri |
| 129 | Float_t psupport2[3] = {9.4,9.5,4.0};// snaruzhi C |
| 130 | Float_t psupport3[3] = {4.51,9.5,0.05};//kryshki C |
| 131 | Float_t psupport5[3] = {1.44,1.5,6.5}; // stakanchik dlai feu C |
| 132 | Float_t psupport6[3] = {0,1.4,0.04}; //kryshechka stakanchika Al |
| 133 | Float_t psupport7[3] = {1.5,1.6,0.4}; //kolechko snaruzhu stakanchika Al |
| 134 | |
| 135 | // Mother Volume katushka dlia krepezha vokrug truby k Absorbru |
| 136 | AliMatrix(idrotm[901], 90., 0., 90., 90., 180., 0.); |
| 137 | Float_t ppcon[70]; |
| 138 | ppcon[0] = 0; |
| 139 | ppcon[1] = 360; |
| 140 | ppcon[2] = 13; |
| 141 | // 1: |
| 142 | ppcon[3] = 7.2; |
| 143 | ppcon[4] = 4.4; |
| 144 | ppcon[5] = 4.5; |
| 145 | // 2 |
| 146 | ppcon[6] = 8.2; |
| 147 | ppcon[7] = 4.4; |
| 148 | ppcon[8] = 4.5; |
| 149 | // 3 |
| 150 | ppcon[9] = 8.2; |
| 151 | ppcon[10] = 4.4; |
| 152 | ppcon[11] = 5.1; |
| 153 | |
| 154 | // 4 |
| 155 | |
| 156 | ppcon[12] = 8.3; |
| 157 | ppcon[13] = 4.4; |
| 158 | ppcon[14] = 5.1; |
| 159 | // 5 |
| 160 | |
| 161 | ppcon[15] = 8.3; |
| 162 | ppcon[16] = 4.9; |
| 163 | ppcon[17] = 5.1; |
| 164 | |
| 165 | // 6 |
| 166 | ppcon[18] = 15.; |
| 167 | ppcon[19] = 4.9; |
| 168 | ppcon[20] = 5.1; |
| 169 | |
| 170 | // 7 |
| 171 | ppcon[21] = 15.; |
| 172 | ppcon[22] = 3.15 ; |
| 173 | ppcon[23] = 5.1; |
| 174 | |
| 175 | /// 8 |
| 176 | ppcon[24] = 15.01; |
| 177 | ppcon[25] = 3.15; |
| 178 | ppcon[26] = 5.1; |
| 179 | |
| 180 | /// 9 |
| 181 | ppcon[27] = 15.01; |
| 182 | ppcon[28] = 3.15; |
| 183 | ppcon[29] = 3.25; |
| 184 | |
| 185 | |
| 186 | /// 9 |
| 187 | ppcon[30] = 19.71; |
| 188 | ppcon[31] = 3.15; |
| 189 | ppcon[32] = 3.25; |
| 190 | // 10 |
| 191 | ppcon[33] = 19.8; |
| 192 | ppcon[34] = 3.15; |
| 193 | ppcon[35] = 3.25; |
| 194 | // 11 |
| 195 | ppcon[36] = 19.8; |
| 196 | ppcon[37] = 3.15; |
| 197 | ppcon[38] = 7.6; |
| 198 | |
| 199 | // 14 |
| 200 | |
| 201 | ppcon[39] = 19.91; |
| 202 | ppcon[40] = 3.15; |
| 203 | ppcon[41] = 7.6; |
| 204 | |
| 205 | |
| 206 | gMC->Gsvolu("0SUP", "PCON", idtmed[kAir], ppcon,42); |
| 207 | z = -zdetC; |
| 208 | gMC->Gspos("0SUP",1,"ALIC",0.,0.,z,idrotm[901],"ONLY"); |
| 209 | |
| 210 | //------------------------------------------------------------------- |
| 211 | // T0 volume |
| 212 | //------------------------------------------------------------------- |
| 213 | |
| 214 | |
| 215 | gMC->Gsvolu("0STR","PCON",idtmed[kAir],pstartR,18); |
| 216 | gMC->Gsvolu("0STL","TUBE",idtmed[kAir],pstart,3); |
| 217 | gMC->Gspos("0STR",1,"ALIC",0.,0.,-zdetC+pstartR[3],idrotm[901],"ONLY"); |
| 218 | // gMC->Gspos("0STL",1,"ALIC",0.,0.,zdetA+pstart[2],0,"ONLY"); |
| 219 | |
| 220 | //T0 interior |
| 221 | gMC->Gsvolu("0INS","TUBE",idtmed[kAir],pinstart,3); |
| 222 | gMC->Gsvolu("0PMT","TUBE",idtmed[kAir],ppmt,3); |
| 223 | |
| 224 | gMC->Gsvolu("0SU1","TUBE",idtmed[kC],psupport1,3);//C kozhuh vnutri |
| 225 | gMC->Gsvolu("0SU2","TUBE",idtmed[kC],psupport2,3);// snaruzhi C |
| 226 | gMC->Gsvolu("0SU3","TUBE",idtmed[kC],psupport3,3);//kryshka perednaiai C |
| 227 | gMC->Gsvolu("0SU4","TUBE",idtmed[kC],psupport3,3);//kryshka zadnaiai C |
| 228 | // gMC->Gsvolu("0SU5","TUBE",idtmed[kAir],psupport4,3);// dyrki dlia feu v zadnej kryshke Air |
| 229 | gMC->Gsvolu("0SU6","TUBE",idtmed[kC],psupport5,3);// stakanchik dlai feu C |
| 230 | gMC->Gsvolu("0SU7","TUBE",idtmed[kAl],psupport6,3);//kryshechka stakanchika Al |
| 231 | gMC->Gsvolu("0SU8","TUBE",idtmed[kAl],psupport7,3);//kolechko snaruzhu stakanchika Al |
| 232 | |
| 233 | |
| 234 | |
| 235 | //non-absorber side support and T0A !!!!!!!! |
| 236 | |
| 237 | TGeoPgon * supPgon = new TGeoPgon("supPgon",0.,360.,360,4); |
| 238 | supPgon->DefineSection(0, 0, 4.1, 5.5); |
| 239 | supPgon->DefineSection(1, 10.5 , 4.1, 5.5); |
| 240 | supPgon->DefineSection(2, 10.5 , 4.1, 4.9); |
| 241 | supPgon->DefineSection(3, 12.5 , 4.1, 4.9); |
| 242 | TGeoTranslation *trPgon = new TGeoTranslation("trPgon",0,0,0); |
| 243 | trPgon->RegisterYourself(); |
| 244 | |
| 245 | TGeoVolumeAssembly * stlin = new TGeoVolumeAssembly("OSTL");//empty segment |
| 246 | TGeoVolume *ins = gGeoManager->GetVolume("0INS"); |
| 247 | |
| 248 | Double_t phimin = TMath::ACos((16-4.8)/16.) * (180 / TMath::Pi()) ; |
| 249 | // TGeoTubeSeg *hole = new TGeoTubeSeg("hole", 0, 1.6, 0, -phimin+90, phimin+90); |
| 250 | TGeoTube*hole = new TGeoTube("hole", 0, 1.61, 6.5); |
| 251 | TGeoTranslation *tr [12]; |
| 252 | Float_t angle = 2 * TMath::Pi() / 12; |
| 253 | Char_t nameTr[4]; |
| 254 | for (Int_t itr=0; itr<12; itr++) { |
| 255 | sprintf (nameTr,"tr%i",itr+1); |
| 256 | x = 6.5 * TMath::Sin(itr * angle); |
| 257 | y = 6.5 * TMath::Cos(itr * angle); |
| 258 | tr[itr] = new TGeoTranslation(nameTr,x,y,6.5); |
| 259 | tr[itr]->RegisterYourself(); |
| 260 | stlin->AddNode(ins,itr+13,tr[itr]); |
| 261 | } |
| 262 | TGeoCompositeShape *supsh = new TGeoCompositeShape("supsh","supPgon:trPgon-(hole:tr1+hole:tr2+hole:tr3+hole:tr4+hole:tr5+hole:tr6+hole:tr7+hole:tr8+hole:tr9+hole:tr10+hole:tr11+hole:tr12)"); |
| 263 | |
| 264 | TGeoMedium *medal = gGeoManager->GetMedium("T0_Aluminium$"); |
| 265 | TGeoVolume *supA = new TGeoVolume("0SUA",supsh,medal); |
| 266 | stlin->AddNode(supA,1,new TGeoTranslation(0,0,0)); |
| 267 | |
| 268 | TGeoVolume *alice = gGeoManager->GetVolume("ALIC"); |
| 269 | alice->AddNode(stlin,1,new TGeoTranslation(0,0, zdetA )); |
| 270 | |
| 271 | // T0A finished |
| 272 | |
| 273 | //T0C |
| 274 | // first ring: 12 units of Scintillator+PMT+divider |
| 275 | Float_t theta = (180 / TMath::Pi()) * TMath::ATan(6.5 / zdetC); |
| 276 | Float_t phi[3]; |
| 277 | for (is=0; is<12; is++) |
| 278 | { |
| 279 | |
| 280 | x = 6.5 * TMath::Sin(is * angle); |
| 281 | y = 6.5 * TMath::Cos(is * angle); |
| 282 | |
| 283 | phi[0] = -30 * is; |
| 284 | phi[1] = 90 - is * 30; |
| 285 | phi[2] = 90 - is * 30; |
| 286 | for (Int_t j = 0; j < 3; j++) |
| 287 | if (phi[j] < 0) phi[j] += 360; |
| 288 | |
| 289 | AliMatrix (idrotm[902 + is], 90., phi[0], |
| 290 | 90. + theta, phi[1], |
| 291 | theta, phi[2]); |
| 292 | z=-pstart[2]+pinstart[2]+0.2; |
| 293 | gMC->Gspos ("0INS", is + 1, "0STR", x, y, z, idrotm[902 + is], "ONLY"); |
| 294 | } |
| 295 | |
| 296 | x=0; |
| 297 | y=0; |
| 298 | z=-pinstart[2]+ppmt[2]+psupport6[2]*2; |
| 299 | gMC->Gspos("0PMT",1,"0INS",x,y,z,0,"ONLY"); |
| 300 | // PMT |
| 301 | |
| 302 | // Entry window (glass) |
| 303 | gMC->Gsvolu("0TOP","TUBE",idtmed[kOpGlass],ptop,3); //glass |
| 304 | z=-ppmt[2]+ptop[2]; |
| 305 | gMC->Gspos("0TOP",1,"0PMT",0,0,z,0,"ONLY"); |
| 306 | //"metal" air volume to simulate reclection |
| 307 | gMC->Gsvolu("0TOO","TUBE",idtmed[kOpAir],ptopout,3); |
| 308 | gMC->Gspos("0TOO",1,"0PMT",0,0,z,0,"ONLY"); |
| 309 | |
| 310 | //Fotokatod |
| 311 | gMC->Gsvolu ("0REG", "TUBE", idtmed[kOpGlassCathode], preg, 3); |
| 312 | z = -ppmt[2] + 2 * ptop[2] + preg[2]; |
| 313 | gMC->Gspos ("0REG", 1, "0PMT", 0, 0, z, 0, "ONLY"); |
| 314 | // Bottom glass |
| 315 | gMC->Gsvolu("0BOT","TUBE",idtmed[kGlass],pbot,3); |
| 316 | z=ppmt[2]-pbot[2]; |
| 317 | gMC->Gspos("0BOT",1,"0PMT",0,0,z,0,"ONLY"); |
| 318 | // Side cylinder glass |
| 319 | gMC->Gsvolu("0OUT","TUBE",idtmed[kGlass],pglass,3); |
| 320 | z=ppmt[2]-pglass[2]; |
| 321 | gMC->Gspos("0OUT",1,"0PMT",0,0,z,0,"ONLY"); |
| 322 | //PMT electrodes support structure |
| 323 | gMC->Gsvolu("0CER","TUBE",idtmed[kCer],pcer,3); |
| 324 | gMC->Gsvolu("0STE","TUBE",idtmed[kSteel],psteel,3); |
| 325 | z=-ppmt[2]+2*ptop[2]+0.3 + pcer[2]; |
| 326 | gMC->Gspos("0CER",1,"0PMT",0,0,z,0,"ONLY"); |
| 327 | z +=psteel[2]+pcer[2]; |
| 328 | gMC->Gspos("0STE",1,"0PMT",0,0,z,0,"ONLY"); |
| 329 | |
| 330 | //Support absorber (C) side |
| 331 | z=-pstart[2]+psupport1[2]+0.1; |
| 332 | gMC->Gspos("0SU1",1,"0STR",0,0,z,0,"ONLY"); //C kozhuh snaruzhi |
| 333 | gMC->Gspos("0SU2",1,"0STR",0,0,z,0,"ONLY"); //C kozhuh vnutri |
| 334 | z=-pstart[2]+psupport3[2]+0.1; |
| 335 | gMC->Gspos("0SU3",1,"0STR",0,0,z,0,"ONLY"); //peredniaia kryshka |
| 336 | z=-pstart[2]+2.*psupport1[2]-0.05;//+0.1; |
| 337 | gMC->Gspos("0SU4",1,"0STR",0,0,z,0,"MANY"); //zadnaiai kryshka |
| 338 | gMC->Gspos("0SU6",1,"0INS",0,0,0,0,"ONLY");//C stakanchik dlia feu |
| 339 | z=-pinstart[2]+psupport6[2]; |
| 340 | gMC->Gspos("0SU7",1,"0INS",0,0,z,0,"ONLY"); //Al kryshechka |
| 341 | |
| 342 | z=pinstart[2]-psupport7[2]; |
| 343 | gMC->Gspos("0SU8",1,"0INS",0,0,z,0,"ONLY"); //Al kolechko |
| 344 | |
| 345 | |
| 346 | Float_t par[3]; |
| 347 | par[0]=4.4; |
| 348 | par[1]=4.5; |
| 349 | par[2]=0.5; |
| 350 | gMC->Gsvolu("0SC0","TUBE",idtmed[kC],par,3); |
| 351 | z=ppcon[3]+par[2]; |
| 352 | gMC->Gspos("0SC0",1,"0SUP",0,0,z,0,"ONLY"); |
| 353 | z += par[2]; |
| 354 | par[0]=4.4; |
| 355 | par[1]=5.1; |
| 356 | par[2]=0.05; |
| 357 | gMC->Gsvolu("0SC1","TUBE",idtmed[kC],par,3); |
| 358 | z += par[2]; |
| 359 | gMC->Gspos("0SC1",1,"0SUP",0,0,z,0,"ONLY"); |
| 360 | z=z+par[2]; |
| 361 | par[0]=4.9; |
| 362 | par[1]=5.0; |
| 363 | par[2]=6.7/2; |
| 364 | gMC->Gsvolu("0SC2","TUBE",idtmed[kC],par,3); |
| 365 | z += par[2]; |
| 366 | gMC->Gspos("0SC2",1,"0SUP",0,0,z,0,"ONLY"); |
| 367 | z += par[2]; |
| 368 | |
| 369 | par[0]=3.15; |
| 370 | par[1]=4.9; |
| 371 | par[2]=0.1/2; |
| 372 | gMC->Gsvolu("0SA1","TUBE",idtmed[kAl],par,3); |
| 373 | |
| 374 | z += par[2]; |
| 375 | cout<<" z 0SA1 "<<z<<endl; |
| 376 | gMC->Gspos("0SA1",1,"0SUP",0,0,z,0,"ONLY"); |
| 377 | z=z+par[2]; |
| 378 | par[0]=3.15; |
| 379 | par[1]=3.16; |
| 380 | par[2]=4.7/2; |
| 381 | cout<<" z 0SA2 "<<z<<endl; |
| 382 | gMC->Gsvolu("0SA2","TUBE",idtmed[kAl],par,3); |
| 383 | z += par[2]; |
| 384 | gMC->Gspos("0SA2",1,"0SUP",0,0,z,0,"ONLY"); |
| 385 | z=z+par[2]; |
| 386 | par[0]=3.16; // eta chast' prikruchena k absorberu |
| 387 | par[1]=7.5; |
| 388 | par[2]=0.1; |
| 389 | cout<<" z 0SA23"<<z<<endl; |
| 390 | gMC->Gsvolu("0SA3","TUBE",idtmed[kAl],par,3); |
| 391 | z += par[2]; |
| 392 | gMC->Gspos("0SA3",1,"0SUP",0,0,z,0,"ONLY"); |
| 393 | par[0]=3.16; // gvozdi eta chast' prikruchena k absorberu |
| 394 | par[1]=7.5; |
| 395 | par[2]=0.01; |
| 396 | cout<<" z 0SN2 "<<z<<endl; |
| 397 | gMC->Gsvolu("0SN2","TUBE",idtmed[kSteel],par,3); |
| 398 | gMC->Gspos("0SN2",1,"0SUP",0,0,z,0,"ONLY"); |
| 399 | |
| 400 | |
| 401 | |
| 402 | |
| 403 | } |
| 404 | //------------------------------------------------------------------------ |
| 405 | void AliT0v1::AddAlignableVolumes() const |
| 406 | { |
| 407 | // |
| 408 | // Create entries for alignable volumes associating the symbolic volume |
| 409 | // name with the corresponding volume path. Needs to be syncronized with |
| 410 | // eventual changes in the geometry. |
| 411 | // |
| 412 | |
| 413 | TString volPath; |
| 414 | TString symName, sn; |
| 415 | |
| 416 | TString vpA = "/ALIC_1/0STL_1/0INS_"; |
| 417 | TString vpC = "/ALIC_1/0STR_1/0INS_"; |
| 418 | TString vpInside = "/0PMT_1/0TOP_1"; |
| 419 | |
| 420 | |
| 421 | for (Int_t imod=0; imod<24; imod++) |
| 422 | { |
| 423 | if (imod < 12) |
| 424 | {volPath = vpC; sn="T0/C/PMT";} |
| 425 | else |
| 426 | {volPath = vpA; sn="T0/A/PMT";} |
| 427 | volPath += imod+1; |
| 428 | volPath += vpInside; |
| 429 | |
| 430 | symName = sn; |
| 431 | symName += imod+1; |
| 432 | |
| 433 | AliDebug(2,"--------------------------------------------"); |
| 434 | AliDebug(2,Form("Alignable object %d", imod)); |
| 435 | AliDebug(2,Form("volPath=%s\n",volPath.Data())); |
| 436 | AliDebug(2,Form("symName=%s\n",symName.Data())); |
| 437 | AliDebug(2,"--------------------------------------------"); |
| 438 | gGeoManager->SetAlignableEntry(symName.Data(),volPath.Data()); |
| 439 | // if(!gGeoManager->SetAlignableEntry(symName.Data(),volPath.Data())) |
| 440 | // AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", |
| 441 | // symName.Data(),volPath.Data())); |
| 442 | |
| 443 | } |
| 444 | } |
| 445 | //------------------------------------------------------------------------ |
| 446 | void AliT0v1::CreateMaterials() |
| 447 | { |
| 448 | Int_t isxfld = gAlice->Field()->Integ(); |
| 449 | Float_t sxmgmx = gAlice->Field()->Max(); |
| 450 | // Float_t a,z,d,radl,absl,buf[1]; |
| 451 | // Int_t nbuf; |
| 452 | Int_t *idtmed = fIdtmed->GetArray(); |
| 453 | |
| 454 | // AIR |
| 455 | |
| 456 | Float_t aAir[4]={12.0107,14.0067,15.9994,39.948}; |
| 457 | Float_t zAir[4]={6.,7.,8.,18.}; |
| 458 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; |
| 459 | Float_t dAir = 1.20479E-3; |
| 460 | |
| 461 | // Scintillator CH |
| 462 | Float_t ascin[2]={1.01,12.01}; |
| 463 | Float_t zscin[2]={1,6}; |
| 464 | Float_t wscin[2]={1,1}; |
| 465 | Float_t denscin=1.03; |
| 466 | //Lucite C(CH3)CO2CH3 |
| 467 | Float_t alucite[3]={1.01,12.01,15.999}; |
| 468 | Float_t zlucite[3]={1,6,8}; |
| 469 | Float_t wlucite[3]={8,5,2}; |
| 470 | Float_t denlucite=1.16; |
| 471 | // PMT glass SiO2 |
| 472 | Float_t aglass[2]={28.0855,15.9994}; |
| 473 | Float_t zglass[2]={14.,8.}; |
| 474 | Float_t wglass[2]={1.,2.}; |
| 475 | Float_t dglass=2.65; |
| 476 | // Ceramic 97.2% Al2O3 , 2.8% SiO2 |
| 477 | // Float_t wcer[2]={0.972,0.028}; |
| 478 | Float_t aCeramic[2] = { 26.981539,15.9994 }; |
| 479 | Float_t zCeramic[2] = { 13.,8. }; |
| 480 | Float_t wCeramic[2] = { 2.,3. }; |
| 481 | Float_t denscer = 3.6; |
| 482 | |
| 483 | // Brass 80% Cu, 20% Zn |
| 484 | Float_t abrass[2] = {63.546,65.39}; |
| 485 | Float_t zbrass[2] = {29,30}; |
| 486 | Float_t wbrass[2] = {0.8,0.2}; |
| 487 | Float_t denbrass=8.96; |
| 488 | |
| 489 | //Ribber C6H12S |
| 490 | Float_t aribber[3] = {12.,1.,32.}; |
| 491 | Float_t zribber[3] = {6.,1.,16.}; |
| 492 | Float_t wribber[3] = {6.,12.,1.}; |
| 493 | Float_t denribber=0.8; |
| 494 | // Support inside |
| 495 | Float_t asupport[2] = {12.,1.}; |
| 496 | Float_t zsupport[2] = {6.,1.}; |
| 497 | Float_t wsupport[2] = {1.,1.}; |
| 498 | Float_t densupport=0.1; |
| 499 | |
| 500 | //*** Definition Of avaible T0 materials *** |
| 501 | AliMaterial(0, "Steel$", 55.850,26.,7.87,1.76,999); |
| 502 | AliMaterial(1, "Vacuum$", 1.e-16,1.e-16,1.e-16,1.e16,999); |
| 503 | AliMixture(2, "Air$", aAir, zAir, dAir,4,wAir); |
| 504 | AliMaterial(10, "CarbonPlastic$", 12.01, 6.0, 2.26, 18.8,999); |
| 505 | AliMaterial(11, "Aliminium$", 26.98, 13.0, 2.7, 8.9,999); |
| 506 | |
| 507 | AliMixture( 3, "Ceramic $",aCeramic, zCeramic, denscer, -2, wCeramic); |
| 508 | AliMixture( 4, "PMT glass $",aglass,zglass,dglass,-2,wglass); |
| 509 | /* |
| 510 | char namate[21]=""; |
| 511 | |
| 512 | gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf); |
| 513 | acer[0]=a; |
| 514 | |
| 515 | zcer[0]=z; |
| 516 | gMC->Gfmate((*fIdmate)[4], namate, a, z, d, radl, absl, buf, nbuf); |
| 517 | acer[1]=a; |
| 518 | zcer[1]=z; |
| 519 | AliMixture( 11, "Ceramic $", acer, zcer, denscer, 2, wcer); |
| 520 | */ |
| 521 | AliMixture( 5, "Scintillator$",ascin,zscin,denscin,-2,wscin); |
| 522 | AliMixture( 6, "Brass $", abrass, zbrass, denbrass, 2, wbrass); |
| 523 | AliMixture( 7, "Ribber $",aribber,zribber,denribber,-3,wribber); |
| 524 | AliMixture( 8, "Lucite$",alucite,zlucite,denlucite,-3,wlucite); |
| 525 | AliMixture( 9, "Penoplast$",asupport,zsupport,densupport,-2,wsupport); |
| 526 | AliMixture( 21, "PMT Optical glass $",aglass,zglass,dglass,-2,wglass); |
| 527 | AliMixture( 24, "PMT Optical glass cathode $",aglass,zglass,dglass,-2,wglass); |
| 528 | AliMixture(22, "T0 Opt Air$", aAir, zAir, dAir,4,wAir); |
| 529 | AliMixture(23, "T0 Opt Air Next$", aAir, zAir, dAir,4,wAir); |
| 530 | |
| 531 | AliMedium(1, "T0 Air$", 2, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003); |
| 532 | AliMedium(2, "Scintillator$", 5, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003); |
| 533 | AliMedium(3, "Vacuum$", 1, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003); |
| 534 | AliMedium(4, "Ceramic$", 3, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003); |
| 535 | AliMedium(6, "Glass$", 4, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003); |
| 536 | AliMedium(8, "Steel$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001); |
| 537 | AliMedium(9, "Ribber $", 7, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003); |
| 538 | AliMedium(11, "Brass $", 6, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003); |
| 539 | AliMedium(12, "Lucite$", 8, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003); |
| 540 | AliMedium(13, "CarbonPlastic$", 10, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003); |
| 541 | AliMedium(14, "PenoPlast$", 9, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003); |
| 542 | AliMedium(15, "Aluminium$", 11, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003); |
| 543 | AliMedium(16, "OpticalGlass$", 21, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003); |
| 544 | AliMedium(17, "T0 OpAir$", 22, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003); |
| 545 | AliMedium(18, "T0 OpAirNext$", 23, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003); |
| 546 | AliMedium(19, "OpticalGlassCathode$", 24, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003); |
| 547 | |
| 548 | |
| 549 | // Definition Cherenkov parameters |
| 550 | int i; |
| 551 | const Int_t kNbins=31; |
| 552 | |
| 553 | Float_t rindexSiO2[kNbins], efficAll[kNbins], rindexAir[kNbins], absorAir[kNbins],rindexCathodeNext[kNbins], absorbCathodeNext[kNbins]; |
| 554 | |
| 555 | // quartz 20mm |
| 556 | Float_t aAbsSiO2[kNbins]={29.0, 28.6, 28.3, 27.7, 27.3, 26.7, 26.4, |
| 557 | 25.9, 25.3, 24.9, 24.5, 23.7, |
| 558 | 23.2, 22.8, 22.4, 21.8, 21.3, |
| 559 | 22.8, 22.1, 21.7, 21.2, 20.5, |
| 560 | 19.9, 19.3, 18.7, 18.0, 17.1, |
| 561 | 16.3, 15.3, 14.3, 14.3 }; |
| 562 | |
| 563 | Float_t aPckov[kNbins] ={3.87, 3.94, 4.02, 4.11, 4.19, 4.29, 4.38, |
| 564 | 4.48, 4.58, 4.69, 4.81, 4.93, |
| 565 | 5.05, 5.19, 5.33, 5.48, 5.63, |
| 566 | 5.8, 5.97, 6.16, 6.36, 6.57, |
| 567 | 6.8, 7.04, 7.3, 7.58, 7.89, |
| 568 | 8.22, 8.57, 8.97, 9.39 }; |
| 569 | /* |
| 570 | Float_t effCathode[kNbins]={0.11, 0.13, 0.15, 0.16, 0.18, 0.19, 0.20, |
| 571 | 0.21, 0.22, 0.23, 0.24, 0.26, |
| 572 | 0.27, 0.29, 0.30, 0.29, 0.29, |
| 573 | 0.28, 0.28, 0.27, 0.26, 0.25, |
| 574 | 0.25, 0.23, 0.20, 0.19, 0.17, |
| 575 | 0.17, 0.17, 0.2, 0.23}; |
| 576 | */ |
| 577 | // Float_t aAbsSiO2[kNbins]; //quartz 30mm |
| 578 | for(i=0;i<kNbins;i++) |
| 579 | { |
| 580 | aPckov[i]=aPckov[i]*1e-9;//Photons energy bins 4 eV - 8.5 eV step 0.1 eV |
| 581 | rindexAir[i]=0; |
| 582 | rindexSiO2[i]=1.458; //refractive index for qwarts |
| 583 | rindexCathodeNext[i]=0; |
| 584 | efficAll[i]=1.; |
| 585 | |
| 586 | // aAbsSiO2[i]=28.5; //quartz 30mm |
| 587 | absorAir[i]=0.3; |
| 588 | absorbCathodeNext[i]=0; |
| 589 | |
| 590 | } |
| 591 | |
| 592 | |
| 593 | gMC->SetCerenkov (idtmed[kOpGlass], kNbins, aPckov, aAbsSiO2, efficAll, rindexSiO2 ); |
| 594 | // gMC->SetCerenkov (idtmed[kOpGlassCathode], kNbins, aPckov, aAbsSiO2, effCathode, rindexSiO2 ); |
| 595 | gMC->SetCerenkov (idtmed[kOpGlassCathode], kNbins, aPckov, aAbsSiO2,efficAll , rindexSiO2 ); |
| 596 | gMC->SetCerenkov (idtmed[kOpAir], kNbins, aPckov,absorAir , efficAll,rindexAir ); |
| 597 | gMC->SetCerenkov (idtmed[kOpAirNext], kNbins, aPckov,absorbCathodeNext , efficAll, rindexCathodeNext); |
| 598 | |
| 599 | AliDebugClass(1,": ++++++++++++++Medium set++++++++++"); |
| 600 | |
| 601 | |
| 602 | } |
| 603 | //--------------------------------------------------------------------- |
| 604 | void AliT0v1::DrawDetector() |
| 605 | { |
| 606 | // |
| 607 | // Draw a shaded view of the Forward multiplicity detector version 0 |
| 608 | // |
| 609 | |
| 610 | //Set ALIC mother transparent |
| 611 | gMC->Gsatt("ALIC","SEEN",0); |
| 612 | // |
| 613 | //Set volumes visible |
| 614 | // gMC->Gsatt("0STR","SEEN",0); |
| 615 | // gMC->Gsatt("0INS","SEEN",0); |
| 616 | // gMC->Gsatt("0PMT","SEEN",1); |
| 617 | // gMC->Gsatt("0DIV","SEEN",1); |
| 618 | // |
| 619 | gMC->Gdopt("hide","off"); |
| 620 | gMC->Gdopt("shad","on"); |
| 621 | gMC->SetClipBox("."); |
| 622 | gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000); |
| 623 | gMC->DefaultRange(); |
| 624 | gMC->Gdraw("alic",90,0,0,-35,9.5,.6,0.6); |
| 625 | //gMC->Gdraw("alic",0,0,0,10,9.5,.8,0.8); //other side view |
| 626 | gMC->Gdhead(1111,"T-Zero detector"); |
| 627 | gMC->Gdopt("hide","off"); |
| 628 | } |
| 629 | |
| 630 | //------------------------------------------------------------------- |
| 631 | void AliT0v1::Init() |
| 632 | { |
| 633 | // Initialises version 0 of the Forward Multiplicity Detector |
| 634 | // |
| 635 | //Int_t *idtmed = gAlice->Idtmed(); |
| 636 | AliT0::Init(); |
| 637 | fIdSens1=gMC->VolId("0REG"); |
| 638 | |
| 639 | AliDebug(1,Form("%s: *** T0 version 1 initialized ***\n",ClassName())); |
| 640 | |
| 641 | } |
| 642 | |
| 643 | //------------------------------------------------------------------- |
| 644 | |
| 645 | void AliT0v1::StepManager() |
| 646 | { |
| 647 | // |
| 648 | // Called for every step in the T0 Detector |
| 649 | // |
| 650 | Int_t id,copy,copy1; |
| 651 | static Float_t hits[6]; |
| 652 | static Int_t vol[2]; |
| 653 | TLorentzVector pos; |
| 654 | |
| 655 | // TClonesArray &lhits = *fHits; |
| 656 | |
| 657 | if(!gMC->IsTrackAlive()) return; // particle has disappeared |
| 658 | |
| 659 | |
| 660 | // If particles is photon then ... |
| 661 | |
| 662 | if (gMC->TrackPid() == 50000050) |
| 663 | { |
| 664 | id=gMC->CurrentVolID(copy); |
| 665 | |
| 666 | |
| 667 | // Check the sensetive volume |
| 668 | if(id==fIdSens1 ) { |
| 669 | if(gMC->IsTrackEntering()) { |
| 670 | gMC->CurrentVolOffID(2,copy); |
| 671 | vol[1]=copy; |
| 672 | gMC->CurrentVolOffID(3,copy1); |
| 673 | vol[0]=copy1; |
| 674 | gMC->TrackPosition(pos); |
| 675 | hits[0] = pos[0]; |
| 676 | hits[1] = pos[1]; |
| 677 | hits[2] = pos[2]; |
| 678 | if(pos[2]<0) vol[0]=2; |
| 679 | if(pos[2]>=0) vol[0]=1; |
| 680 | |
| 681 | Float_t etot=gMC->Etot(); |
| 682 | hits[3]=etot; |
| 683 | Int_t iPart= gMC->TrackPid(); |
| 684 | Int_t partID=gMC->IdFromPDG(iPart); |
| 685 | hits[4]=partID; |
| 686 | Float_t ttime=gMC->TrackTime(); |
| 687 | hits[5]=ttime*1e12; |
| 688 | if(RegisterPhotoE(vol[1]-1,hits[3])) |
| 689 | AddHit(fIshunt,vol,hits); |
| 690 | |
| 691 | } |
| 692 | // cout<< gAlice->GetMCApp()->GetCurrentTrackNumber()<<" hit added "<<endl; |
| 693 | |
| 694 | /* |
| 695 | printf("track(%i) alive(%i) disap(%i) enter(%i) exit(%i) inside(%i) out(%i) stop(%i) new(%i) \n", |
| 696 | gAlice->GetMCApp()->GetCurrentTrackNumber(), |
| 697 | gMC->IsTrackAlive(), |
| 698 | gMC->IsTrackDisappeared(), |
| 699 | gMC->IsTrackEntering(), |
| 700 | gMC->IsTrackExiting(), |
| 701 | gMC->IsTrackInside(), |
| 702 | gMC->IsTrackOut(), |
| 703 | gMC->IsTrackStop(), |
| 704 | gMC->IsNewTrack()); |
| 705 | */ |
| 706 | } //sensitive |
| 707 | } //photon |
| 708 | } |
| 709 | |
| 710 | |
| 711 | |
| 712 | //------------------------------------------------------------------------ |
| 713 | Bool_t AliT0v1::RegisterPhotoE(Int_t ipmt,Double_t energy) |
| 714 | { |
| 715 | |
| 716 | |
| 717 | // Float_t hc=197.326960*1.e6; //mev*nm |
| 718 | Double_t hc=1.973*1.e-6; //gev*nm |
| 719 | Float_t lambda=hc/energy; |
| 720 | Float_t eff = ((TGraph*) fEffPMT.At(ipmt))->Eval(lambda); |
| 721 | Double_t p = gRandom->Rndm(); |
| 722 | |
| 723 | if (p > eff) |
| 724 | return kFALSE; |
| 725 | |
| 726 | return kTRUE; |
| 727 | } |
| 728 | |
| 729 | //---------------------------------------------------------------------------- |
| 730 | |
| 731 | |
| 732 | |
| 733 | |
| 734 | |
| 735 | |
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