ITS/AliITSv11.cxx

   1 /**************************************************************************
   2  * Copyright(c) 2007-2009, 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   *
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  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
  17 /* $Id: */
  18
  19
  20 //========================================================================
  21 //
  22 //            Geometry of the Inner Tracking System
  23 //           ---------------------------------------
  24 //  This geometry is fully described in TGeo geometry (v11)
  25 //
  26 // Ludovic Gaudichet  (gaudichet@to.infn.it)
  27 // Mario Sitta (sitta@to.infn.it)
  28 //
  29 //========================================================================
  30
  31
  32 // $Log$
  33 // Revision 1.1  2011/06/10 14:48:24  masera
  34 // First version from v11Hybrid to v11 (M. Sitta)
  35 //
  36
  37
  38 #include <TClonesArray.h>
  39 #include <TGeoGlobalMagField.h>
  40 #include <TGeoManager.h>
  41 #include <TGeoMatrix.h>
  42 #include <TGeoPhysicalNode.h>
  43 #include <TGeoVolume.h>
  44 #include <TGeoXtru.h>
  45 #include <TLorentzVector.h>
  46 #include <TString.h>
  47 #include <TVirtualMC.h>
  48
  49 #include "AliITS.h"
  50 #include "AliITSDetTypeSim.h"
  51 #include "AliITShit.h"
  52 #include "AliITSCalibrationSDD.h"
  53 #include "AliITSsegmentationSDD.h"
  54 #include "AliITSsegmentationSPD.h"
  55 #include "AliITSsegmentationSSD.h"
  56 #include "AliITSv11.h"
  57 #include "AliLog.h"
  58 #include "AliMC.h"
  59 #include "AliMagF.h"
  60 #include "AliRun.h"
  61 #include "AliTrackReference.h"
  62 #include "AliITSv11GeometrySPD.h"
  63 #include "AliITSv11GeometrySDD.h"
  64 #include "AliITSv11GeometrySSD.h"
  65 #include "AliITSv11GeometrySupport.h"
  66 #include "AliGeomManager.h"
  67
  68
  69 ClassImp(AliITSv11)
  70
  71 //______________________________________________________________________
  72 AliITSv11::AliITSv11():
  73   fByThick(kTRUE),
  74   fMajorVersion(IsVersion()),
  75   fMinorVersion(-1),
  76   fIDMother(0),
  77   fInitGeom((AliITSVersion_t)fMajorVersion,fMinorVersion),
  78   fSPDgeom(0),
  79   fSDDgeom(0),
  80   fSSDgeom(0),
  81   fSupgeom(0)
  82  {
  83     //    Standard default constructor
  84     // Inputs:
  85     //   none.
  86     // Outputs:
  87     //   none.
  88     // Return:
  89     //   none.
  90 }
  91
  92 //______________________________________________________________________
  93 AliITSv11::AliITSv11(const char *title)
  94   : AliITS("ITS", title),
  95     fByThick(kTRUE),
  96     fMajorVersion(IsVersion()),
  97     fMinorVersion(1),
  98     fIDMother(0),
  99     fInitGeom((AliITSVersion_t)fMajorVersion,fMinorVersion),
 100     fSPDgeom(0),
 101     fSDDgeom(0),
 102     fSSDgeom(0),
 103     fSupgeom(0)
 104 {
 105     //    Standard constructor for the v11 geometry.
 106     // Inputs:
 107     //   const char * title  Arbitrary title
 108     // Outputs:
 109     //   none.
 110     // Return:
 111     //   none.
 112   Int_t i;
 113
 114   fSPDgeom = new AliITSv11GeometrySPD();
 115   fSDDgeom = new AliITSv11GeometrySDD(0);
 116   fSSDgeom = new AliITSv11GeometrySSD();
 117   fSupgeom = new AliITSv11GeometrySupport();
 118
 119   fIdN = 6;
 120   fIdName = new TString[fIdN];
 121
 122   fIdName[0] = fSPDgeom->GetSenstiveVolumeName1();
 123   fIdName[1] = fSPDgeom->GetSenstiveVolumeName2();
 124
 125   fIdName[2] = fSDDgeom->GetSenstiveVolumeName3();
 126   fIdName[3] = fSDDgeom->GetSenstiveVolumeName4();
 127
 128   fIdName[4] = fSSDgeom->GetSenstiveVolumeName5();
 129   fIdName[5] = fSSDgeom->GetSenstiveVolumeName6();
 130
 131   fIdSens    = new Int_t[fIdN];
 132   for(i=0;i<fIdN;i++) fIdSens[i] = 0;
 133
 134   SetDensityServicesByThickness();
 135
 136 }
 137
 138 //______________________________________________________________________
 139 AliITSv11::AliITSv11(const char *name, const char *title)
 140   : AliITS("ITS", title),
 141     fByThick(kTRUE),
 142     fMajorVersion(IsVersion()),
 143     fMinorVersion(1),
 144     fIDMother(0),
 145     fInitGeom((AliITSVersion_t)fMajorVersion,fMinorVersion),
 146     fSPDgeom(0),
 147     fSDDgeom(0),
 148     fSSDgeom(0),
 149     fSupgeom(0)
 150 {
 151     //    Standard constructor for the v11 geometry.
 152     // Inputs:
 153     //   const char * name   Ignored, set to "ITS"
 154     //   const char * title  Arbitrary title
 155     // Outputs:
 156     //   none.
 157     // Return:
 158     //   none.
 159   Int_t i;
 160
 161   fSPDgeom = new AliITSv11GeometrySPD();
 162   fSDDgeom = new AliITSv11GeometrySDD(0);
 163   fSSDgeom = new AliITSv11GeometrySSD();
 164   fSupgeom = new AliITSv11GeometrySupport();
 165
 166   fIdN = 6;
 167   fIdName = new TString[fIdN];
 168
 169   (void) name; // removes warning message
 170
 171   fIdName[0] = fSPDgeom->GetSenstiveVolumeName1();
 172   fIdName[1] = fSPDgeom->GetSenstiveVolumeName2();
 173
 174   fIdName[2] = fSDDgeom->GetSenstiveVolumeName3();
 175   fIdName[3] = fSDDgeom->GetSenstiveVolumeName4();
 176
 177   fIdName[4] = fSSDgeom->GetSenstiveVolumeName5();
 178   fIdName[5] = fSSDgeom->GetSenstiveVolumeName6();
 179
 180   fIdSens    = new Int_t[fIdN];
 181   for(i=0;i<fIdN;i++) fIdSens[i] = 0;
 182
 183   SetDensityServicesByThickness();
 184
 185 }
 186
 187 //______________________________________________________________________
 188 AliITSv11::~AliITSv11() {
 189     //    Standard destructor
 190     // Inputs:
 191     //   none.
 192     // Outputs:
 193     //   none.
 194     // Return:
 195     //   none.
 196   delete fSPDgeom;
 197   delete fSDDgeom;
 198   delete fSSDgeom;
 199   delete fSupgeom;
 200 }
 201
 202 //______________________________________________________________________
 203 void AliITSv11::SetT2Lmatrix(Int_t uid, Double_t yShift,
 204                              Bool_t yFlip, Bool_t yRot180) const
 205 {
 206
 207   //
 208   // Creates the TGeo Local to Tracking transformation matrix
 209   // and sends it to the corresponding TGeoPNEntry
 210   //
 211   // This function is used in AddAlignableVolumes()
 212
 213   TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(uid);
 214   TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig();
 215
 216   Double_t *gtrans = globMatrix->GetTranslation(), rotMatrix[9];
 217   memcpy(&rotMatrix[0], globMatrix->GetRotationMatrix(), 9*sizeof(Double_t));
 218   Double_t al = TMath::ATan2(rotMatrix[1],rotMatrix[0]);
 219   if (yRot180) {
 220     al = TMath::ATan2(rotMatrix[1],-rotMatrix[0]);
 221   }
 222   Double_t xShift = gtrans[0]*TMath::Cos(al)+gtrans[1]*TMath::Sin(al);
 223   Double_t zShift = -gtrans[2];
 224
 225   TGeoHMatrix *matLtoT = new TGeoHMatrix;
 226   matLtoT->SetDx( xShift ); // translation
 227   matLtoT->SetDy( yShift );
 228   matLtoT->SetDz( zShift );
 229   rotMatrix[0]= 0;  rotMatrix[1]= 1;  rotMatrix[2]= 0; // + rotation
 230   rotMatrix[3]= 1;  rotMatrix[4]= 0;  rotMatrix[5]= 0;
 231   rotMatrix[6]= 0;  rotMatrix[7]= 0;  rotMatrix[8]=-1;
 232   if (yFlip) rotMatrix[3] = -1;  // flipping in y  (for SPD1)
 233   if (yFlip) rotMatrix[1] = -1;  // flipping in y  (for SPD1)
 234
 235   if (yRot180) { // rotation of pi around the axis perpendicular to the wafer
 236     if (yFlip) matLtoT->SetDx( -xShift ); // flipping in y  (for SPD1)
 237     matLtoT->SetDy( -yShift );
 238     matLtoT->SetDz( -zShift );
 239     rotMatrix[8]=1;
 240     rotMatrix[3] = -1;
 241     if (yFlip) rotMatrix[3] = 1;  // flipping in y  (for SPD1)
 242   }
 243
 244   TGeoRotation rot;
 245   rot.SetMatrix(rotMatrix);
 246   matLtoT->MultiplyLeft(&rot);
 247   TGeoHMatrix *matTtoL = new TGeoHMatrix(matLtoT->Inverse());
 248   delete matLtoT;
 249   alignableEntry->SetMatrix(matTtoL);
 250 }
 251
 252 //______________________________________________________________________
 253 void AliITSv11::AddAlignableVolumes() const
 254 {
 255   // Creates entries for alignable volumes associating the symbolic volume
 256   // name with the corresponding volume path.
 257   //
 258   // Records in the alignable entries the transformation matrices converting
 259   // TGeo local coordinates (in the RS of alignable volumes) to the tracking
 260   // system
 261   // For this, this function has to run before the misalignment because we
 262   // are using the ideal positions in the AliITSgeom object.
 263   // Inputs:
 264   //   none.
 265   // Outputs:
 266   //   none.
 267   // Return:
 268   //   none.
 269
 270   AliInfo("Add ITS alignable volumes");
 271
 272   if (!gGeoManager) {
 273     AliFatal("TGeoManager doesn't exist !");
 274     return;
 275   }
 276
 277   AliGeomManager::ELayerID layerId;
 278   Int_t modUID, modnum;
 279
 280   if( !gGeoManager->SetAlignableEntry("ITS","ALIC_1/ITSV_1") )
 281     AliFatal(Form("Unable to set alignable entry ! %s :: %s",
 282                   "ITS","ALIC_1/ITSV_1"));
 283
 284   TString strSPD = "ITS/SPD";
 285   TString strSDD = "ITS/SDD";
 286   TString strSSD = "ITS/SSD";
 287   TString strStave = "/Stave";
 288   TString strHalfStave = "/HalfStave";
 289   TString strLadder = "/Ladder";
 290   TString strSector = "/Sector";
 291   TString strSensor = "/Sensor";
 292   TString strEntryName1;
 293   TString strEntryName2;
 294   TString strEntryName3;
 295   TString strEntryName4;
 296
 297   TString str0;
 298   TString str1;
 299   TString str2;
 300
 301   TString ladder;
 302
 303   //===== SPD layers =====
 304
 305   str0 = "ALIC_1/ITSV_1/ITSSPD_1/ITSSPDCarbonFiberSectorV_";
 306   str1 = "/ITSSPDSensitiveVirtualvolumeM0_1/ITSSPDlay1-Stave_";
 307
 308   TString str1Bis = "/ITSSPDhalf-Stave";
 309   TString str1Tierce = "_1";
 310
 311   str2 = "/ITSSPDlay1-Ladder_";
 312
 313   TString sector;
 314   TString stave;
 315   TString halfStave;
 316   TString module;
 317
 318   layerId = AliGeomManager::kSPD1;
 319   modnum = 0;
 320
 321   for(Int_t cSect = 0; cSect<10; cSect++) {
 322
 323     sector = str0;
 324     sector += cSect+1; // this is one full sector
 325     strEntryName1 = strSPD;
 326     strEntryName1 += 0;
 327     strEntryName1 += strSector;
 328     strEntryName1 += cSect;
 329     if(!gGeoManager->SetAlignableEntry(strEntryName1.Data(),sector.Data()))
 330       AliFatal(Form("New lay 1: Unable to set alignable entry 1! %s::%s",
 331                strEntryName1.Data(),sector.Data()));
 332
 333     for(Int_t cStave=0; cStave<2; cStave++) {
 334
 335       stave = sector;
 336       stave += str1;
 337       stave += cStave+1;
 338       strEntryName2 = strEntryName1;
 339       strEntryName2 += strStave;
 340       strEntryName2 += cStave;
 341
 342       for(Int_t cHS=0; cHS<2; cHS++) {
 343
 344         halfStave = stave;
 345         halfStave += str1Bis;
 346         halfStave += cHS;
 347         halfStave += str1Tierce;
 348         strEntryName3 = strEntryName2;
 349         strEntryName3 += strHalfStave;
 350         strEntryName3 += cHS;
 351
 352         if(!gGeoManager->SetAlignableEntry(strEntryName3.Data(),
 353                                            halfStave.Data()))
 354           AliFatal(Form("New lay 1: Unable to set alignable entry 3! %s::%s",
 355                         strEntryName3.Data(),halfStave.Data()));
 356
 357         for(Int_t cLad=0; cLad<2; cLad++) {
 358
 359           modUID = AliGeomManager::LayerToVolUID(layerId,modnum++);
 360           module = halfStave;
 361           module += str2;
 362           module += cLad+cHS*2+1;
 363           strEntryName4 = strEntryName3;
 364           strEntryName4 += strLadder;
 365           strEntryName4 += cLad+cHS*2;
 366           if(!gGeoManager->SetAlignableEntry(strEntryName4.Data(),module.Data(),modUID))
 367             AliFatal(Form("New lay 1: Unable to set alignable entry 4! %s::%s",
 368                           strEntryName4.Data(),module.Data()));
 369
 370           SetT2Lmatrix(modUID, 0.0081, kTRUE, kTRUE);
 371           // 0.0081 is the shift between the centers of alignable
 372           // and sensitive volumes. It is directly extracted from
 373           // the new SPD geometry
 374         } // end for cLad
 375       } // end for cHS
 376     } // end for cStave
 377   } // end for cSect
 378
 379   layerId = AliGeomManager::kSPD2;
 380   modnum = 0;
 381   str1 = "/ITSSPDSensitiveVirtualvolumeM0_1/ITSSPDlay2-Stave_";
 382   str2 = "/ITSSPDlay2-Ladder_";
 383
 384   for(Int_t cSect = 0; cSect<10; cSect++) {
 385
 386     sector = str0;
 387     sector += cSect+1; // this is one full sector
 388     strEntryName1 = strSPD;
 389     strEntryName1 += 1;
 390     strEntryName1 += strSector;
 391     strEntryName1 += cSect;
 392
 393     for(Int_t cStave=0; cStave<4; cStave++) {
 394
 395       stave = sector;
 396       stave += str1;
 397       stave += cStave+1;
 398       strEntryName2 = strEntryName1;
 399       strEntryName2 += strStave;
 400       strEntryName2 += cStave;
 401
 402       for(Int_t cHS=0; cHS<2; cHS++) {
 403
 404         halfStave = stave;
 405         halfStave += str1Bis;
 406         halfStave += cHS;
 407         halfStave += str1Tierce;
 408         strEntryName3 = strEntryName2;
 409         strEntryName3 += strHalfStave;
 410         strEntryName3 += cHS;
 411
 412         if(!gGeoManager->SetAlignableEntry(strEntryName3.Data(),
 413                                            halfStave.Data()))
 414           AliFatal(Form("New lay 2: Unable to set alignable entry 3! %s::%s",
 415                         strEntryName3.Data(),halfStave.Data()));
 416
 417         for(Int_t cLad=0; cLad<2; cLad++) {
 418
 419           modUID = AliGeomManager::LayerToVolUID(layerId,modnum++);
 420           module = halfStave;
 421           module += str2;
 422           module += cLad+cHS*2 +1;
 423           strEntryName4 = strEntryName3;
 424           strEntryName4 += strLadder;
 425           strEntryName4 += cLad+cHS*2;
 426           if(!gGeoManager->SetAlignableEntry(strEntryName4.Data(),module.Data(),modUID))
 427             AliFatal(Form("New lay 2: Unable to set alignable entry 4! %s::%s",
 428                           strEntryName4.Data(),module.Data()));
 429
 430           SetT2Lmatrix(modUID, -0.0081, kFALSE);
 431         } // end for cLad
 432       } // end for cHS
 433     } // end for cStave
 434   } // cSect
 435
 436   //===== SDD layers =====
 437
 438   layerId = AliGeomManager::kSDD1;
 439   modnum = 0;
 440
 441   str0 = "/ALIC_1/ITSV_1/ITSsddLayer3_1/ITSsddLadd_"; // SDD layer1
 442   str1 = "/ITSsddSensor3_";
 443
 444   TString sensor;
 445
 446   for(Int_t c1 = 0; c1<14; c1++) {
 447
 448     ladder = str0;
 449     ladder += c1; // the set of wafers from one ladder
 450     strEntryName1 = strSDD;
 451     strEntryName1 += 2;
 452     strEntryName1 +=strLadder;
 453     strEntryName1 += c1;
 454     //printf("%s    ==    %s\n",strEntryName1.Data(),ladder.Data());
 455     if(!gGeoManager->SetAlignableEntry(strEntryName1.Data(),ladder.Data()))
 456       AliFatal(Form("Unable to set alignable entry 1! %s :: %s",
 457                     strEntryName1.Data(),ladder.Data()));
 458
 459     for(Int_t c2 =0; c2<6; c2++) {
 460
 461       modUID = AliGeomManager::LayerToVolUID(layerId,modnum++);
 462       sensor = ladder;
 463       sensor += str1;
 464       sensor += c2;
 465       strEntryName2 = strEntryName1;
 466       strEntryName2 += strSensor;
 467       strEntryName2 += c2;
 468       //printf("%s    ==    %s\n",strEntryName2.Data(),wafer.Data());
 469       if(!gGeoManager->SetAlignableEntry(strEntryName2.Data(),sensor.Data(),modUID))
 470         AliFatal(Form("Unable to set alignable entry 2! %s :: %s",
 471                       strEntryName2.Data(),sensor.Data()));
 472
 473       SetT2Lmatrix(modUID, 0, kFALSE, c2>=3);
 474     }
 475   }
 476
 477   layerId = AliGeomManager::kSDD2;
 478   modnum = 0;
 479   str0 = "/ALIC_1/ITSV_1/ITSsddLayer4_1/ITSsddLadd_"; // SDD layer2
 480   str1 = "/ITSsddSensor4_";
 481
 482   for(Int_t c1 = 0; c1<22; c1++) {
 483
 484     ladder = str0;
 485     ladder += c1; // the set of wafers from one ladder
 486     strEntryName1 = strSDD;
 487     strEntryName1 += 3;
 488     strEntryName1 += strLadder;
 489     strEntryName1 += c1;
 490     //printf("%s    ==    %s\n",strEntryName1.Data(),ladder.Data());
 491     if(!gGeoManager->SetAlignableEntry(strEntryName1.Data(),ladder.Data()))
 492       AliFatal(Form("Unable to set alignable entry 1! %s :: %s",
 493                     strEntryName1.Data(),ladder.Data()));
 494
 495     for(Int_t c2 =0; c2<8; c2++) {
 496
 497       modUID = AliGeomManager::LayerToVolUID(layerId,modnum++);
 498       sensor = ladder;
 499       sensor += str1;
 500       sensor += c2;
 501       strEntryName2 = strEntryName1;
 502       strEntryName2 += strSensor;
 503       strEntryName2 += c2;
 504       //printf("%s    ==    %s\n",strEntryName2.Data(),wafer.Data());
 505       if(!gGeoManager->SetAlignableEntry(strEntryName2.Data(),sensor.Data(),modUID))
 506         AliFatal(Form("Unable to set alignable entry 2! %s :: %s",
 507                       strEntryName2.Data(),sensor.Data()));
 508
 509       SetT2Lmatrix(modUID, 0, kFALSE, c2>=4);
 510     }
 511   }
 512
 513   //===== SSD layers =====
 514
 515   layerId = AliGeomManager::kSSD1;
 516   modnum = 0;
 517
 518   str0 = "/ALIC_1/ITSV_1/ITSssdLayer5_1/ITSssdLay5Ladd_";//SSD layer1
 519   str1 = "/ITSssdSensor5_";
 520   str2 = "";
 521
 522   TString wafer;
 523
 524   for(Int_t c1 = 0; c1<34; c1++) {
 525
 526     ladder = str0;
 527     ladder += c1; // the set of wafers from one ladder
 528     strEntryName1 = strSSD;
 529     strEntryName1 += 4;
 530     strEntryName1 += strLadder;
 531     strEntryName1 += c1;
 532     //printf("%s    ==    %s\n",strEntryName1.Data(),ladder.Data());
 533     if(!gGeoManager->SetAlignableEntry(strEntryName1.Data(),ladder.Data()))
 534       AliFatal(Form("Unable to set alignable entry 1! %s :: %s",
 535                     strEntryName1.Data(),ladder.Data()));
 536
 537     for(Int_t c2 =0; c2<22; c2++) {
 538
 539       modUID = AliGeomManager::LayerToVolUID(layerId,modnum++);
 540       wafer = ladder;
 541       wafer += str1;
 542       wafer += c2;
 543       //wafer += str2;    // one wafer
 544       strEntryName2 = strEntryName1;
 545       strEntryName2 += strSensor;
 546       strEntryName2 += c2;
 547       //printf("%s    ==    %s\n",strEntryName2.Data(),wafer.Data());
 548       if(!gGeoManager->SetAlignableEntry(strEntryName2.Data(),wafer.Data(),modUID))
 549         AliFatal(Form("Unable to set alignable entry 2! %s :: %s",
 550                       strEntryName2.Data(),wafer.Data()));
 551
 552       SetT2Lmatrix(modUID, 0, kFALSE, kFALSE);
 553     }
 554   }
 555
 556   layerId = AliGeomManager::kSSD2;
 557   modnum = 0;
 558   str0 = "/ALIC_1/ITSV_1/ITSssdLayer6_1/ITSssdLay6Ladd_"; // SSD layer2
 559   str1 = "/ITSssdSensor6_";
 560   str2 = "";
 561
 562   for(Int_t c1 = 0; c1<38; c1++) {
 563
 564     ladder = str0;
 565     ladder += c1; // the set of wafers from one ladder
 566     strEntryName1 = strSSD;
 567     strEntryName1 += 5;
 568     strEntryName1 += strLadder;
 569     strEntryName1 += c1;
 570     //printf("%s    ==    %s\n",strEntryName1.Data(),ladder.Data());
 571     if(!gGeoManager->SetAlignableEntry(strEntryName1.Data(),ladder.Data()))
 572       AliFatal(Form("Unable to set alignable entry 1! %s :: %s",
 573                     strEntryName1.Data(),ladder.Data()));
 574
 575     for(Int_t c2 =0; c2<25; c2++) {
 576
 577       modUID = AliGeomManager::LayerToVolUID(layerId,modnum++);
 578       wafer = ladder;
 579       wafer += str1;
 580       wafer += c2;
 581       //wafer += str2;    // one wafer
 582       strEntryName2 = strEntryName1;
 583       strEntryName2 += strSensor;
 584       strEntryName2 += c2;
 585       //printf("%s    ==    %s\n",strEntryName2.Data(),wafer.Data());
 586       if(!gGeoManager->SetAlignableEntry(strEntryName2.Data(),wafer.Data(),modUID))
 587         AliFatal(Form("Unable to set alignable entry 2! %s :: %s",
 588                       strEntryName2.Data(),wafer.Data()));
 589
 590       SetT2Lmatrix(modUID, 0, kFALSE, kFALSE);
 591     }
 592   }
 593
 594 }
 595
 596 //______________________________________________________________________
 597 void AliITSv11::CreateGeometry()
 598 {
 599   // Create the geometry and insert it in ALIC
 600
 601   TGeoManager *geoManager = gGeoManager;
 602
 603   TGeoVolume *vALIC = geoManager->GetVolume("ALIC");
 604
 605   // This part is really ugly, needs to be redone
 606   new TGeoVolumeAssembly("ITSV");
 607   new TGeoVolumeAssembly("ITSS");
 608
 609   TGeoVolume *vITSV = geoManager->GetVolume("ITSV");
 610   TGeoVolume *vITSS = geoManager->GetVolume("ITSS");
 611
 612   vALIC->AddNode(vITSV, 1, 0);
 613   vALIC->AddNode(vITSS, 1, 0);
 614
 615   //
 616   const Char_t *cvsDate="$Date$";
 617   const Char_t *cvsRevision="$Revision$";
 618   const Int_t kLength=100;
 619   Char_t vstrng[kLength];
 620   if(fInitGeom.WriteVersionString(vstrng,kLength,(AliITSVersion_t)IsVersion(),
 621                              fMinorVersion,cvsDate,cvsRevision)) {
 622     vITSV->SetTitle(vstrng);
 623     vITSS->SetTitle(vstrng);
 624   }
 625
 626   fSPDgeom->SPDSector(vITSV);
 627
 628   fSDDgeom->Layer3(vITSV);
 629   fSDDgeom->Layer4(vITSV);
 630   fSDDgeom->ForwardLayer3(vITSV);
 631   fSDDgeom->ForwardLayer4(vITSV);
 632
 633   fSSDgeom->Layer5(vITSV);
 634   fSSDgeom->Layer6(vITSV);
 635   fSSDgeom->LadderSupportLayer5(vITSV);
 636   fSSDgeom->LadderSupportLayer6(vITSV);
 637   fSSDgeom->EndCapSupportSystemLayer6(vITSV);
 638   fSSDgeom->EndCapSupportSystemLayer5(vITSV);
 639
 640   fSupgeom->SPDCone(vITSV);
 641   fSupgeom->SDDCone(vITSV);
 642   fSupgeom->SSDCone(vITSV);
 643
 644   fSDDgeom->SDDCables(vITSV);
 645   fSSDgeom->SSDCables(vITSV);
 646   fSupgeom->ServicesCableSupport(vITSS);
 647
 648   fSupgeom->ITSTPCSupports(vITSS);
 649
 650 }
 651
 652 //______________________________________________________________________
 653 void AliITSv11::CreateMaterials()
 654 {
 655     // Create ITS materials
 656     //     This function defines the default materials used in the Geant
 657     // Monte Carlo simulations for the geometries AliITSv1, AliITSv3,
 658     // AliITSv11.
 659     // In general it is automatically replaced by
 660     // the CreateMaterials routine defined in AliITSv?. Should the function
 661     // CreateMaterials not exist for the geometry version you are using this
 662     // one is used. See the definition found in AliITSv5 or the other routine
 663     // for a complete definition.
 664     // Inputs:
 665     //   none.
 666     // Outputs:
 667     //   none.
 668     // Return:
 669     //   none.
 670
 671     Int_t   ifield = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ();
 672     Float_t fieldm = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max();
 673
 674     Float_t tmaxfd = 0.1; // 1.0; // Degree
 675     Float_t stemax = 1.0; // cm
 676     Float_t deemax = 0.1; // 30.0; // Fraction of particle's energy 0<deemax<=1
 677     Float_t epsil  = 1.0E-4; // 1.0; // cm
 678     Float_t stmin  = 0.0; // cm "Default value used"
 679
 680     Float_t tmaxfdSi = 0.1; // .10000E+01; // Degree
 681     Float_t stemaxSi = 0.0075; //  .10000E+01; // cm
 682     Float_t deemaxSi = 0.1; // 0.30000E-02; // Fraction of particle's energy 0<deemax<=1
 683     Float_t epsilSi  = 1.0E-4;// .10000E+01;
 684     Float_t stminSi  = 0.0; // cm "Default value used"
 685
 686     Float_t tmaxfdAir = 0.1; // .10000E+01; // Degree
 687     Float_t stemaxAir = .10000E+01; // cm
 688     Float_t deemaxAir = 0.1; // 0.30000E-02; // Fraction of particle's energy 0<deemax<=1
 689     Float_t epsilAir  = 1.0E-4;// .10000E+01;
 690     Float_t stminAir  = 0.0; // cm "Default value used"
 691
 692     Float_t tmaxfdServ = 1.0; // 10.0; // Degree
 693     Float_t stemaxServ = 1.0; // 0.01; // cm
 694     Float_t deemaxServ = 0.5; // 0.1; // Fraction of particle's energy 0<deemax<=1
 695     Float_t epsilServ  = 1.0E-3; // 0.003; // cm
 696     Float_t stminServ  = 0.0; //0.003; // cm "Default value used"
 697
 698     // Freon PerFluorobuthane C4F10 see
 699     // http://st-support-cooling-electronics.web.cern.ch/
 700     //        st-support-cooling-electronics/default.htm
 701     Float_t afre[2]  = { 12.011,18.9984032 };
 702     Float_t zfre[2]  = { 6., 9. };
 703     Float_t wfre[2]  = { 4.,10. };
 704     Float_t densfre  = 1.52;
 705
 706
 707     //CM55J
 708
 709     Float_t aCM55J[4]={12.0107,14.0067,15.9994,1.00794};
 710     Float_t zCM55J[4]={6.,7.,8.,1.};
 711     Float_t wCM55J[4]={0.908508078,0.010387573,0.055957585,0.025146765};
 712     Float_t dCM55J = 1.8;
 713
 714     //ALCM55J
 715
 716     Float_t aALCM55J[5]={12.0107,14.0067,15.9994,1.00794,26.981538};
 717     Float_t zALCM55J[5]={6.,7.,8.,1.,13.};
 718     Float_t wALCM55J[5]={0.817657902,0.0093488157,0.0503618265,0.0226320885,0.1};
 719     Float_t dALCM55J = 1.9866;
 720
 721     //Si Chips
 722
 723     Float_t aSICHIP[6]={12.0107,14.0067,15.9994,1.00794,28.0855,107.8682};
 724     Float_t zSICHIP[6]={6.,7.,8.,1.,14., 47.};
 725     Float_t wSICHIP[6]={0.039730642,0.001396798,0.01169634,0.004367771,0.844665,0.09814344903};
 726     Float_t dSICHIP = 2.36436;
 727
 728     //Inox
 729
 730     Float_t aINOX[9]={12.0107,54.9380, 28.0855,30.9738,32.066,58.6928,51.9961,95.94,55.845};
 731     Float_t zINOX[9]={6.,25.,14.,15.,16., 28.,24.,42.,26.};
 732     Float_t wINOX[9]={0.0003,0.02,0.01,0.00045,0.0003,0.12,0.17,0.025,0.654};
 733     Float_t dINOX = 8.03;
 734
 735     //AISI 304 L (from F.Tosello's web page - M.S. 18 Oct 10)
 736
 737     Float_t a304L[8]={12.0107,54.9380, 28.0855,30.9738,32.066,58.6928,51.9961,55.845};
 738     Float_t z304L[8]={6.,25.,14.,15.,16., 28.,24.,26.};
 739     Float_t w304L[8]={0.0003,0.02,0.01,0.00045,0.003,0.0925,0.19,0.6865};
 740     Float_t d304L = 8.03;
 741
 742     //SDD HV microcable
 743
 744     Float_t aHVm[5]={12.0107,1.00794,14.0067,15.9994,26.981538};
 745     Float_t zHVm[5]={6.,1.,7.,8.,13.};
 746     Float_t wHVm[5]={0.520088819984,0.01983871336,0.0551367996,0.157399667056, 0.247536};
 747     Float_t dHVm = 1.6087;
 748
 749     //SDD LV+signal cable
 750
 751     Float_t aLVm[5]={12.0107,1.00794,14.0067,15.9994,26.981538};
 752     Float_t zLVm[5]={6.,1.,7.,8.,13.};
 753     Float_t wLVm[5]={0.21722436468,0.0082859922,0.023028867,0.06574077612, 0.68572};
 754     Float_t dLVm = 2.1035;
 755
 756     //SDD hybrid microcab
 757
 758     Float_t aHLVm[5]={12.0107,1.00794,14.0067,15.9994,26.981538};
 759     Float_t zHLVm[5]={6.,1.,7.,8.,13.};
 760     Float_t wHLVm[5]={0.24281879711,0.00926228815,0.02574224025,0.07348667449, 0.64869};
 761     Float_t dHLVm = 2.0502;
 762
 763     //SDD anode microcab
 764
 765     Float_t aALVm[5]={12.0107,1.00794,14.0067,15.9994,26.981538};
 766     Float_t zALVm[5]={6.,1.,7.,8.,13.};
 767     Float_t wALVm[5]={0.392653705471,0.0128595919215,0.041626868025,0.118832707289, 0.431909};
 768     Float_t dALVm = 2.0502;
 769
 770     //X7R capacitors - updated from F.Tosello's web page - M.S. 18 Oct 10
 771
 772     Float_t aX7R[6]={137.327,47.867,15.9994,58.6928,63.5460,118.710};
 773     Float_t zX7R[6]={56.,22.,8.,28.,29.,50.};
 774     Float_t wX7R[6]={0.524732,0.176736,0.179282,0.079750,0.019750,0.019750};
 775     Float_t dX7R = 6.07914;
 776
 777     //X7R weld, i.e. Sn 60% Pb 40% (from F.Tosello's web page - M.S. 15 Oct 10)
 778
 779     Float_t aX7Rweld[2]={118.71 , 207.20};
 780     Float_t zX7Rweld[2]={ 50.   ,  82.  };
 781     Float_t wX7Rweld[2]={  0.60 ,   0.40};
 782     Float_t dX7Rweld   = 8.52358;
 783
 784     // AIR
 785
 786     Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
 787     Float_t zAir[4]={6.,7.,8.,18.};
 788     Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
 789     Float_t dAir = 1.20479E-3;
 790
 791     // Water
 792
 793     Float_t aWater[2]={1.00794,15.9994};
 794     Float_t zWater[2]={1.,8.};
 795     Float_t wWater[2]={0.111894,0.888106};
 796     Float_t dWater   = 1.0;
 797
 798     // CERAMICS
 799   //     94.4% Al2O3 , 2.8% SiO2 , 2.3% MnO , 0.5% Cr2O3
 800     Float_t acer[5]  = { 26.981539,15.9994,28.0855,54.93805,51.9961 };
 801     Float_t zcer[5]  = {       13.,     8.,    14.,     25.,    24. };
 802     Float_t wcer[5]  = {.4443408,.5213375,.0130872,.0178135,.003421};
 803     Float_t denscer  = 3.6;
 804
 805     //G10FR4
 806
 807     Float_t zG10FR4[14] = {14.00,       20.00,  13.00,  12.00,  5.00,   22.00,  11.00,  19.00,  26.00,  9.00,   8.00,   6.00,   7.00,   1.00};
 808     Float_t aG10FR4[14] = {28.0855000,40.0780000,26.9815380,24.3050000,10.8110000,47.8670000,22.9897700,39.0983000,55.8450000,18.9984000,15.9994000,12.0107000,14.0067000,1.0079400};
 809     Float_t wG10FR4[14] = {0.15144894,0.08147477,0.04128158,0.00904554,0.01397570,0.00287685,0.00445114,0.00498089,0.00209828,0.00420000,0.36043788,0.27529426,0.01415852,0.03427566};
 810     Float_t densG10FR4= 1.8;
 811
 812      //--- EPOXY  --- C18 H19 O3
 813       Float_t aEpoxy[3] = {15.9994, 1.00794, 12.0107} ;
 814       Float_t zEpoxy[3] = {     8.,      1.,      6.} ;
 815       Float_t wEpoxy[3] = {     3.,     19.,     18.} ;
 816       Float_t dEpoxy = 1.8 ;
 817
 818       // rohacell: C9 H13 N1 O2
 819     Float_t arohac[4] = {12.01,  1.01, 14.010, 16.};
 820     Float_t zrohac[4] = { 6.,    1.,    7.,     8.};
 821     Float_t wrohac[4] = { 14.,   10.,    2.,     6.};
 822     Float_t drohac    = 0.052;
 823
 824     // If he/she means stainless steel (inox) + Aluminium and Zeff=15.3383 then
 825 //
 826 // %Al=81.6164 %inox=100-%Al
 827
 828     Float_t aInAl[5] = {27., 55.847,51.9961,58.6934,28.0855 };
 829     Float_t zInAl[5] = {13., 26.,24.,28.,14. };
 830     Float_t wInAl[5] = {.816164, .131443,.0330906,.0183836,.000919182};
 831     Float_t dInAl    = 3.075;
 832
 833     // Aluminum alloy with 12% Copper - 21 Oct 10
 834
 835     Float_t aAlCu12[2] = {26.9815, 63.546};
 836     Float_t zAlCu12[2] = {13.    , 29.   };
 837     Float_t wAlCu12[2] = { 0.88  ,  0.12 };
 838     Float_t dAlCu12    = 2.96;
 839
 840     // Kapton
 841
 842     Float_t aKapton[4]={1.00794,12.0107, 14.010,15.9994};
 843     Float_t zKapton[4]={1.,6.,7.,8.};
 844     Float_t wKapton[4]={0.026362,0.69113,0.07327,0.209235};
 845     Float_t dKapton   = 1.42;
 846
 847     // Kapton + Cu (for Pixel Bus)
 848
 849     Float_t aKaptonCu[5]={1.00794, 12.0107, 14.010, 15.9994, 63.5460};
 850     Float_t zKaptonCu[5]={1., 6., 7., 8., 29.};
 851     Float_t wKaptonCuBus[5];
 852
 853     // Kapton + Cu (for Pixel MCM)
 854
 855     Float_t wKaptonCuMCM[5];
 856
 857     // Kapton + Cu (mix of two above)
 858
 859     Float_t wKaptonCuMix[5];
 860
 861     //SDD ruby sph.
 862     Float_t aAlOxide[2]  = { 26.981539,15.9994};
 863     Float_t zAlOxide[2]  = {       13.,     8.};
 864     Float_t wAlOxide[2]  = {0.4707, 0.5293};
 865     Float_t dAlOxide     = 3.97;
 866
 867     // Silica for optical fibers: Si O2
 868     Float_t aoptfib[2] = { 28.0855, 15.9994};
 869     Float_t zoptfib[2] = { 14.,      8.    };
 870     Float_t woptfib[2] = {  1.,      2.    };
 871     Float_t doptfib    = 2.55;
 872
 873     // Tetrafluorethylene-Perfluorpropylene (FEP) - 08 Mar 10
 874     Float_t aFEP[2] = { 12.0107, 18.9984};
 875     Float_t zFEP[2] = {  6.    ,  9.    };
 876     Float_t wFEP[2] = {  1.    ,  2.    };
 877     Float_t dFEP    = 2.15;
 878
 879     // PVC (C2H3Cl)n - 08 Jul 10
 880     Float_t aPVC[3] = { 12.0107, 1.00794, 35.4527};
 881     Float_t zPVC[3] = {  6.    , 1.     , 35.   };
 882     Float_t wPVC[3] = {  2.    , 3.     ,  1.   };
 883     Float_t dPVC    = 1.3;
 884
 885     // PBT (Polybutylene terephthalate = C12-H12-O4) - 01 Sep 10
 886     Float_t aPBT[3] = { 12.0107, 1.00794, 15.9994};
 887     Float_t zPBT[3] = {  6.    , 1.     ,  8.   };
 888     Float_t wPBT[3] = { 12.    ,12.     ,  4.   };
 889     Float_t dPBT    = 1.31;
 890
 891     // POLYAX (POLYAX = C37-H24-O6-N2) - 03 Sep 10
 892     Float_t aPOLYAX[4] = { 12.0107, 1.00794, 15.9994, 14.00674};
 893     Float_t zPOLYAX[4] = {  6.    , 1.     ,  8.    ,  7.     };
 894     Float_t wPOLYAX[4] = { 37.    ,24.     ,  6.    ,  2.     };
 895     Float_t dPOLYAX    = 1.27;
 896
 897     // PPS (PPS = C6-H4-S) - 05 Sep 10
 898     Float_t aPPS[3] = { 12.0107, 1.00794, 32.066};
 899     Float_t zPPS[3] = {  6.    , 1.     , 16.   };
 900     Float_t wPPS[3] = {  6.    , 4.     ,  1.   };
 901     Float_t dPPS    = 1.35;
 902
 903     // Megolon (Polyolefin = (C-H2)n) - 20 Oct 10
 904     Float_t aMegolon[2] = { 12.0107, 1.00794};
 905     Float_t zMegolon[2] = {  6.    , 1.     };
 906     Float_t wMegolon[2] = {  1.    , 2.     };
 907     Float_t dMegolon    = 1.51; // Mean of various types
 908
 909     // Standard glass (from glassproperties.com/glasses - M.S. 21 Oct 10)
 910     Float_t aStdGlass[7] = {15.9994  ,28.0855  ,22.98977 ,40.078   ,
 911                             24.305   ,26.981539,39.0983  };
 912     Float_t zStdGlass[7] = { 8.      ,14.      ,11.      ,20.      ,
 913                             12.      ,13.      ,19.      };
 914     Float_t wStdGlass[7] = { 0.468377, 0.348239, 0.096441, 0.071469,
 915                              0.006030, 0.005293, 0.004151};
 916     Float_t dStdGlass    = 2.53;
 917
 918     // Glass Fiber (from F.Tosello's web page - M.S. 15 Oct 10)
 919     Float_t aGlass[11] = {15.9994  ,28.0855  ,40.078   ,26.981539,10.811   ,
 920                 24.305   ,39.0983  ,22.98977 ,18.9984  ,47.867   ,55.845};
 921     Float_t zGlass[11] = { 8.      ,14.      ,20       ,13       , 5       ,
 922                 12.      ,19       ,11       , 9       ,22       ,26    };
 923     Float_t wGlass[11] = { 0.473610, 0.252415, 0.135791, 0.068803, 0.023293,
 924                  0.015076, 0.008301, 0.007419, 0.007000, 0.004795, 0.003497};
 925     Float_t dGlass = 2.61;
 926
 927     // Ryton R-4 04 (from F.Tosello's web page - M.S. 15 Oct 10)
 928     Float_t aRyton[14] = {15.9994  ,28.0855  ,40.078   ,26.981539,10.811   ,
 929                           24.305   ,39.0983  ,22.98977 ,18.9984  ,47.867   ,
 930                           55.845   ,12.0107  , 1.00794 ,32.066   };
 931     Float_t zRyton[14] = { 8.      ,14.      ,20.      ,13.      , 5.      ,
 932                           12.      ,19.      ,11.      , 9.      ,22.      ,
 933                           26.      , 6.      , 1.      ,16.      };
 934     Float_t wRyton[14] = { 0.189445, 0.100966, 0.054316, 0.027521, 0.009317,
 935                            0.006030, 0.003320, 0.002968, 0.002800, 0.001918,
 936                            0.001399, 0.399760, 0.022365, 0.177875};
 937     Float_t dRyton = 1.65;
 938
 939     // Plexiglas (Poly(methyl methacrylate) (C5O2H8)n - M.S. 05 nov 10)
 940     Float_t aPlexy[3] = { 12.0107, 15.9994,  1.00794};
 941     Float_t zPlexy[3] = {  6.    , 8.     ,  1.   };
 942     Float_t wPlexy[3] = {  5.    , 2.     ,  8.   };
 943     Float_t dPlexy    = 1.18;
 944
 945     //SSD NiSn capacitor ends
 946     Float_t aNiSn[2]  = { 56.6934,118.710};
 947     Float_t zNiSn[2]  = {     28.,     50.};
 948     Float_t wNiSn[2]  = {0.33, 0.67};
 949     Float_t dNiSn     = wNiSn[0]*8.908 + wNiSn[1]*7.310;
 950
 951     AliMaterial(1,"SI$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 952     AliMedium(1,"SI$",1,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 953
 954     AliMaterial(2,"SPD SI CHIP$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 955     AliMedium(2,"SPD SI CHIP$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 956
 957     AliMaterial(3,"SPD SI BUS$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 958     AliMedium(3,"SPD SI BUS$",3,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 959
 960     AliMixture(4,"C (M55J)$",aCM55J,zCM55J,dCM55J,4,wCM55J);
 961     AliMedium(4,"C (M55J)$",4,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 962
 963     AliMixture(5,"AIR$",aAir,zAir,dAir,4,wAir);
 964     AliMedium(5,"AIR$",5,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
 965
 966     AliMixture(6,"GEN AIR$",aAir,zAir,dAir,4,wAir);
 967     AliMedium(6,"GEN AIR$",6,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
 968
 969     AliMixture(7,"SDD SI CHIP$",aSICHIP,zSICHIP,dSICHIP,6,wSICHIP);
 970     AliMedium(7,"SDD SI CHIP$",7,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 971
 972     AliMixture(9,"SDD C (M55J)$",aCM55J,zCM55J,dCM55J,4,wCM55J);
 973     AliMedium(9,"SDD C (M55J)$",9,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 974
 975     AliMixture(10,"SDD AIR$",aAir,zAir,dAir,4,wAir);
 976     AliMedium(10,"SDD AIR$",10,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
 977
 978     AliMaterial(11,"AL$",0.26982E+02,0.13000E+02,0.26989E+01,0.89000E+01,0.99900E+03);
 979     AliMedium(11,"AL$",11,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 980
 981     AliMixture(12, "Water$",aWater,zWater,dWater,2,wWater);
 982     AliMedium(12,"WATER$",12,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 983
 984     AliMixture(13,"Freon$",afre,zfre,densfre,-2,wfre);
 985     AliMedium(13,"Freon$",13,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 986
 987     AliMaterial(14,"COPPER$",0.63546E+02,0.29000E+02,0.89600E+01,0.14300E+01,0.99900E+03);
 988     AliMedium(14,"COPPER$",14,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 989     AliMixture(15,"CERAMICS$",acer,zcer,denscer,5,wcer);
 990     AliMedium(15,"CERAMICS$",15,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 991
 992     AliMixture(20,"SSD C (M55J)$",aCM55J,zCM55J,dCM55J,4,wCM55J);
 993     AliMedium(20,"SSD C (M55J)$",20,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 994
 995     AliMixture(21,"SSD AIR$",aAir,zAir,dAir,4,wAir);
 996     AliMedium(21,"SSD AIR$",21,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
 997
 998     AliMixture(25,"G10FR4$",aG10FR4,zG10FR4,densG10FR4,14,wG10FR4);
 999     AliMedium(25,"G10FR4$",25,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1000
1001      AliMixture(26,"GEN C (M55J)$",aCM55J,zCM55J,dCM55J,4,wCM55J);
1002     AliMedium(26,"GEN C (M55J)$",26,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1003
1004     AliMixture(27,"GEN Air$",aAir,zAir,dAir,4,wAir);
1005     AliMedium(27,"GEN Air$",27,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
1006
1007     AliMixture(35,"PLEXYGLAS$",aPlexy,zPlexy,dPlexy,-3,wPlexy);
1008     AliMedium(35,"PLEXYGLAS$",35,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1009
1010     AliMixture(36,"STDGLASS$",aStdGlass,zStdGlass,dStdGlass,7,wStdGlass);
1011     AliMedium(36,"STDGLASS$",36,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1012
1013     AliMixture(37,"ALCU12$",aAlCu12,zAlCu12,dAlCu12,2,wAlCu12);
1014     AliMedium(37,"ALCU12$",37,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1015
1016     AliMixture(38,"MEGOLON$",aMegolon,zMegolon,dMegolon,-2,wMegolon);
1017     AliMedium(38,"MEGOLON$",38,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1018
1019     AliMixture(39,"RYTON$",aRyton,zRyton,dRyton,14,wRyton);
1020     AliMedium(39,"RYTON$",39,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1021
1022     AliMixture(40,"GLASS FIBER$",aGlass,zGlass,dGlass,11,wGlass);
1023     AliMedium(40,"GLASS FIBER$",40,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1024
1025     AliMixture(41,"AISI304L$",a304L,z304L,d304L,8,w304L);
1026     AliMedium(41,"AISI304L$",41,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1027
1028     AliMaterial(42,"NICKEL$",0.58693E+02,0.28000E+02,0.89080E+01,0.14200E+01,0.99900E+03);
1029     AliMedium(42,"NICKEL$",42,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1030
1031     AliMixture(43,"SDD X7R weld$",aX7Rweld,zX7Rweld,dX7Rweld,2,wX7Rweld);
1032     AliMedium(43,"SDD X7R weld$",43,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1033
1034     AliMixture(44,"PPS$",aPPS,zPPS,dPPS,-3,wPPS);
1035     AliMedium(44,"PPS$",44,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1036
1037     AliMixture(45,"POLYAX$",aPOLYAX,zPOLYAX,dPOLYAX,-4,wPOLYAX);
1038     AliMedium(45,"POLYAX$",45,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1039
1040     AliMixture(46,"PBT$",aPBT,zPBT,dPBT,-3,wPBT);
1041     AliMedium(46,"PBT$",46,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1042
1043     AliMixture(47,"PVC$",aPVC,zPVC,dPVC,-3,wPVC);
1044     AliMedium(47,"PVC$",47,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1045
1046     Double_t cuFrac = 0.56;
1047     Double_t kFrac  = 1.0 - cuFrac;
1048     Double_t cuDens = 8.96;
1049     Float_t dKaptonCuBus   = cuFrac * cuDens + kFrac * dKapton;
1050     for (Int_t j=0; j<4; j++)
1051       wKaptonCuBus[j] = wKapton[j]*kFrac;
1052     wKaptonCuBus[4] = cuFrac;
1053     AliMixture(48, "SPD-BUS CU KAPTON", aKaptonCu, zKaptonCu, dKaptonCuBus, 5, wKaptonCuBus);
1054     AliMedium(48,"SPD-BUS CU KAPTON$",48,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1055
1056     cuFrac = 0.5;
1057     kFrac  = 1.0 - cuFrac;
1058     Float_t dKaptonCuMCM   = cuFrac * cuDens + kFrac * dKapton;
1059     for (Int_t j=0; j<4; j++)
1060       wKaptonCuMCM[j] = wKapton[j]*kFrac;
1061     wKaptonCuMCM[4] = cuFrac;
1062     AliMixture(49, "SPD-MCM CU KAPTON", aKaptonCu, zKaptonCu, dKaptonCuMCM, 5, wKaptonCuMCM);
1063     AliMedium(49,"SPD-MCM CU KAPTON$",49,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1064
1065     cuFrac = (0.56 + 0.5) / 2.0;
1066     kFrac  = 1.0 - cuFrac;
1067     Float_t dKaptonCuMix   = cuFrac * cuDens + kFrac * dKapton;
1068     for (Int_t j=0; j<4; j++)
1069       wKaptonCuMix[j] = wKapton[j]*kFrac;
1070     wKaptonCuMix[4] = cuFrac;
1071     AliMixture(50, "SPD-MIX CU KAPTON", aKaptonCu, zKaptonCu, dKaptonCuMix, 5, wKaptonCuMix);
1072     AliMedium(50,"SPD-MIX CU KAPTON$",50,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1073
1074     AliMaterial(51,"SPD SI$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
1075     AliMedium(51,"SPD SI$",51,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
1076
1077     AliMaterial(52,"SPD SI CHIP$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
1078     AliMedium(52,"SPD SI CHIP$",52,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
1079
1080     AliMaterial(53,"SPD SI BUS$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
1081     AliMedium(53,"SPD SI BUS$",53,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
1082
1083     AliMixture(54,"SPD C (M55J)$",aCM55J,zCM55J,dCM55J,4,wCM55J);
1084     AliMedium(54,"SPD C (M55J)$",54,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1085
1086     AliMixture(55,"SPD AIR$",aAir,zAir,dAir,4,wAir);
1087     AliMedium(55,"SPD AIR$",55,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
1088
1089     AliMixture(56, "SPD KAPTON(POLYCH2)", aKapton, zKapton, dKapton, 4, wKapton);
1090     AliMedium(56,"SPD KAPTON(POLYCH2)$",56,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1091
1092     // Gaseous Freon has same chemical composition but air density at 1.7 atm
1093     AliMixture(59,"GASEOUS FREON$",afre,zfre,1.7*dAir,-2,wfre);
1094     AliMedium(59,"GASEOUS FREON$",59,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1095
1096     AliMixture(61,"EPOXY$",aEpoxy,zEpoxy,dEpoxy,-3,wEpoxy);
1097     AliMedium(61,"EPOXY$",61,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1098
1099     AliMaterial(62,"SILICON$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
1100     AliMedium(62,"SILICON$",62,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
1101
1102     AliMixture(63, "KAPTONH(POLYCH2)", aKapton, zKapton, dKapton, 4, wKapton);
1103     AliMedium(63,"KAPTONH(POLYCH2)$",63,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1104
1105     AliMaterial(64,"ALUMINUM$",0.26982E+02,0.13000E+02,0.26989E+01,0.89000E+01,0.99900E+03);
1106     AliMedium(64,"ALUMINUM$",64,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1107
1108     AliMixture(65,"INOX$",aINOX,zINOX,dINOX,9,wINOX);
1109     AliMedium(65,"INOX$",65,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1110
1111     AliMixture(66,"NiSn$",aNiSn,zNiSn,dNiSn,2,wNiSn);
1112     AliMedium(66,"NiSn$",66,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1113
1114     AliMaterial(67,"Sn$", 118.710, 50., 7.310, 1.206, 999.);
1115     AliMedium(67,"Sn$",67,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1116
1117     AliMixture(68,"ROHACELL$",arohac,zrohac,drohac,-4,wrohac);
1118     AliMedium(68,"ROHACELL$",68,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1119
1120      AliMixture(69,"SDD C AL (M55J)$",aALCM55J,zALCM55J,dALCM55J,5,wALCM55J);
1121     AliMedium(69,"SDD C AL (M55J)$",69,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1122
1123     AliMixture(70, "SDDKAPTON (POLYCH2)", aKapton, zKapton, dKapton, 4, wKapton);
1124     AliMedium(70,"SDDKAPTON (POLYCH2)$",70,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1125
1126      AliMaterial(71,"ITS SANDW A$",0.12011E+02,0.60000E+01,0.2115E+00,0.17479E+03,0.99900E+03);
1127     AliMedium(71,"ITS SANDW A$",71,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1128
1129     AliMaterial(72,"ITS SANDW B$",0.12011E+02,0.60000E+01,0.27000E+00,0.18956E+03,0.99900E+03);
1130     AliMedium(72,"ITS SANDW B$",72,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1131
1132     AliMaterial(73,"ITS SANDW C$",0.12011E+02,0.60000E+01,0.41000E+00,0.90868E+02,0.99900E+03);
1133     AliMedium(73,"ITS SANDW C$",73,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1134
1135     AliMaterial(74,"HEAT COND GLUE$",0.12011E+02,0.60000E+01,0.1930E+01,0.22100E+02,0.99900E+03);
1136     AliMedium(74,"HEAT COND GLUE$",74,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1137
1138     AliMaterial(75,"ELASTO SIL$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
1139     AliMedium(75,"ELASTO SIL$",75,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1140
1141     // SPD bus (data from Petra Riedler)
1142     Float_t aSPDbus[5] = {1.00794,12.0107,14.01,15.9994,26.982 };
1143     Float_t zSPDbus[5] = {1.,6.,7.,8.,13.};
1144     Float_t wSPDbus[5] = {0.023523,0.318053,0.009776,0.078057,0.570591};
1145     Float_t dSPDbus    = 2.128505;
1146
1147     //   AliMaterial(76,"SPDBUS(AL+KPT+EPOX)$",0.19509E+02,0.96502E+01,0.19060E+01,0.15413E+02,0.99900E+03);
1148     AliMixture(76,"SPDBUS(AL+KPT+EPOX)$",aSPDbus,zSPDbus,dSPDbus,5,wSPDbus);
1149     AliMedium(76,"SPDBUS(AL+KPT+EPOX)$",76,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1150
1151     AliMixture(77,"SDD X7R capacitors$",aX7R,zX7R,dX7R,6,wX7R);
1152     AliMedium(77,"SDD X7R capacitors$",77,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1153
1154     AliMixture(78,"SDD ruby sph. Al2O3$",aAlOxide,zAlOxide,dAlOxide,2,wAlOxide);
1155     AliMedium(78,"SDD ruby sph. Al2O3$",78,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1156
1157     AliMaterial(79,"SDD SI insensitive$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
1158     AliMedium(79,"SDD SI insensitive$",79,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1159
1160     AliMixture(80,"SDD HV microcable$",aHVm,zHVm,dHVm,5,wHVm);
1161     AliMedium(80,"SDD HV microcable$",80,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1162
1163     AliMixture(81,"SDD LV+signal cable$",aLVm,zLVm,dLVm,5,wLVm);
1164     AliMedium(81,"SDD LV+signal cable$",81,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1165
1166     AliMixture(82,"SDD hybrid microcab$",aHLVm, zHLVm,dHLVm,5,wHLVm);
1167     AliMedium(82,"SDD hybrid microcab$",82,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1168
1169     AliMixture(83,"SDD anode microcab$",aALVm,zALVm,dALVm,5,wALVm);
1170     AliMedium(83,"SDD anode microcab$",83,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1171     Float_t aDSring[4]={12.0107,      1.00794,     14.0067,      15.9994};
1172     Float_t zDSring[4]={ 6.,          1.,           7.,           8.};
1173     Float_t wDSring[4]={ 0.854323888, 0.026408778,  0.023050265,  0.096217069};
1174     Float_t dDSring = 0.2875;
1175     AliMixture(84,"SDD/SSD rings$",aDSring,zDSring,dDSring,4,wDSring);
1176     AliMedium(84,"SDD/SSD rings$",84,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1177
1178     AliMixture(85,"inox/alum$",aInAl,zInAl,dInAl,5,wInAl);
1179     AliMedium(85,"inox/alum$",85,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1180
1181     // special media to take into account services in the SDD and SSD
1182     // cones for the FMD
1183     //Begin_Html
1184     /*
1185       <A HREF="http://www.Physics.ohio-state.edu/~nilsen/ITS/ITS_MatBudget_4B.xls">
1186       </pre>
1187       <br clear=left>
1188       <font size=+2 color=blue>
1189       <p> The Exel spread sheet from which these density number come from.
1190       </font></A>
1191     */
1192     //End_Html
1193
1194     //  AliMaterial(86,"AIRFMDSDD$",0.14610E+02,0.73000E+01,0.12050E-02,0.30423E+05,0.99900E+03);
1195     Float_t aA[13],zZ[13],wW[13],den;
1196     // From Pierluigi Barberis calculations of 2SPD+1SDD October 2 2002.
1197     zZ[0] = 1.0; aA[0] = 1.00794; // Hydrogen
1198     zZ[1] = 6.0; aA[1] = 12.011; // Carbon
1199     zZ[2] = 7.0; aA[2] = 14.00674; // Nitrogen
1200     zZ[3] = 8.0; aA[3] = 15.9994; // Oxigen
1201     zZ[4] = 14.0; aA[4] = 28.0855; // Silicon
1202     zZ[5] = 24.0; aA[5] = 51.9961; //Cromium
1203     zZ[6] = 25.0; aA[6] = 54.938049; // Manganese
1204     zZ[7] = 26.0; aA[7] = 55.845; // Iron
1205     zZ[8] = 28.0; aA[8] = 58.6934; // Nickle
1206     zZ[9] = 29.0; aA[9] = 63.546; // Copper
1207     zZ[10] = 13.0; aA[10] = 26.981539; // Alulminum
1208     zZ[11] = 47.0; aA[11] = 107.8682; // Silver
1209     zZ[12] = 27.0; aA[12] = 58.9332; // Cobolt
1210     wW[0] = 0.019965;
1211     wW[1] = 0.340961;
1212     wW[2] = 0.041225;
1213     wW[3] = 0.200352;
1214     wW[4] = 0.000386;
1215     wW[5] = 0.001467;
1216     wW[6] = 0.000155;
1217     wW[7] = 0.005113;
1218     wW[8] = 0.000993;
1219     wW[9] = 0.381262;
1220     wW[10] = 0.008121;
1221     wW[11] = 0.000000;
1222     wW[12] = 0.000000;
1223     if(fByThick){// New values seeITS_MatBudget_4B.xls
1224         den = 1.5253276; // g/cm^3  Cell O370
1225     }else{
1226         den = 2.58423412; // g/cm^3 Cell L370
1227     } // end if fByThick
1228     //den = 6161.7/(3671.58978);//g/cm^3 Volume does not exclude holes
1229     AliMixture(86,"AIRFMDSDD$",aA,zZ,den,+11,wW);
1230     AliMedium(86,"AIRFMDSDD$",86,0,ifield,fieldm,tmaxfdAir,stemaxAir,
1231               deemaxAir,epsilAir,stminAir);
1232
1233     //AliMaterial(87,"AIRFMDSSD$",0.14610E+02,0.73000E+01,0.12050E-02,0.30423E+05,0.99900E+03);
1234     // From Pierluigi Barberis calculations of SSD October 2 2002.
1235     wW[0] = 0.019777;
1236     wW[1] = 0.325901;
1237     wW[2] = 0.031848;
1238     wW[3] = 0.147668;
1239     wW[4] = 0.030609;
1240     wW[5] = 0.013993;
1241     wW[6] = 0.001479;
1242     wW[7] = 0.048792;
1243     wW[8] = 0.009477;
1244     wW[9] = 0.350697;
1245     wW[10] = 0.014546;
1246     wW[11] = 0.005213;
1247     wW[12] = 0.000000;
1248     if(fByThick){// New values seeITS_MatBudget_4B.xls
1249         den = 1.2464275; // g/cm^3   Cell O403
1250     }else{
1251         den = 1.28134409; // g/cm^3  Cell L403
1252     } // end if fByThick
1253     //den = 7666.3/(9753.553259); // volume does not exclude holes
1254     AliMixture(87,"AIRFMDSSD$",aA,zZ,den,+12,wW);
1255     AliMedium(87,"AIRFMDSSD$",87,0,ifield,fieldm,tmaxfdAir,stemaxAir,
1256               deemaxAir,epsilAir,stminAir);
1257
1258     //AliMaterial(88,"ITS SANDW CFMDSDD$",0.12011E+02,0.60000E+01,0.41000E+00,0.90868E+02,0.99900E+03);
1259     // From Pierluigi Barberis calculations of 1SDD+Carbon fiber October 2 2002
1260     wW[0] = 0.016302;
1261     wW[1] = 0.461870;
1262     wW[2] = 0.033662;
1263     wW[3] = 0.163595;
1264     wW[4] = 0.000315;
1265     wW[5] = 0.001197;
1266     wW[6] = 0.000127;
1267     wW[7] = 0.004175;
1268     wW[8] = 0.000811;
1269     wW[9] = 0.311315;
1270     wW[10] = 0.006631;
1271     wW[11] = 0.000000;
1272     wW[12] = 0.000000;
1273     if(fByThick){// New values seeITS_MatBudget_4B.xls
1274         den = 1.9353276; // g/cm^3  Cell N370
1275     }else{
1276         den = 3.2788626; // g/cm^3 Cell F370
1277     } // end if fByThick
1278     //den = 7667.1/(3671.58978); // Volume does not excludeholes
1279     AliMixture(88,"ITS SANDW CFMDSDD$",aA,zZ,den,+11,wW);
1280     AliMedium(88,"ITS SANDW CFMDSDD$",88,0,ifield,fieldm,tmaxfd,stemax,
1281               deemax,epsil,stmin);
1282
1283     //AliMaterial(89,"ITS SANDW CFMDSSD$",0.12011E+02,0.60000E+01,0.41000E+00,0.90868E+02,0.99900E+03);
1284     // From Pierluigi Barberis calculations of SSD+Carbon fiber October 2 2002.
1285     wW[0] = 0.014065;
1286     wW[1] = 0.520598;
1287     wW[2] = 0.022650;
1288     wW[3] = 0.105018;
1289     wW[4] = 0.021768;
1290     wW[5] = 0.009952;
1291     wW[6] = 0.001051;
1292     wW[7] = 0.034700;
1293     wW[8] = 0.006740;
1294     wW[9] = 0.249406;
1295     wW[10] = 0.010345;
1296     wW[11] = 0.0003707;
1297     wW[12] = 0.000000;
1298     if(fByThick){// New values seeITS_MatBudget_4B.xls
1299         den = 1.6564275; // g/cm^3  Cell N304
1300     }else{
1301         den = 1.7028296; // g/cm^3  Cell F304
1302     } // end if fByThick
1303     //den = 1166.5/(3671.58978); // Volume does not exclude holes
1304     AliMixture(89,"ITS SANDW CFMDSSD$",aA,zZ,den,+12,wW);
1305     AliMedium(89,"ITS SANDW CFMDSSD$",89,0,ifield,fieldm,tmaxfd,stemax,
1306               deemax,epsil,stmin);
1307
1308     //AliMaterial(97,"SPD SERVICES$",0.12011E+02,0.60000E+01,0.41000E+00,0.90868E+02,0.99900E+03);
1309     // From Pierluigi Barberis calculations of 1SPD October 2 2002.
1310     wW[0] = 0.005970;
1311     wW[1] = 0.304704;
1312     wW[2] = 0.042510;
1313     wW[3] = 0.121715;
1314     wW[4] = 0.001118;
1315     wW[5] = 0.030948;
1316     wW[6] = 0.003270;
1317     wW[7] = 0.107910;
1318     wW[8] = 0.020960;
1319     wW[9] = 0.360895;
1320     wW[10] = 0.000000;
1321     wW[11] = 0.000000;
1322     wW[12] = 0.000000;
1323     if(fByThick){// New values seeITS_MatBudget_4B.xls
1324         den = 80.31136576; // g/cm^3 Cell H329
1325     }else{
1326         den = 87.13062; // g/cm^3  Cell G329
1327     } // end if fByThick
1328     //den = 1251.3/(0.05*2.0*TMath::Pi()*(7.75*7.75 - 3.7*3.7)); // g/cm^3
1329     AliMixture(97,"SPD SERVICES$",aA,zZ,den,+10,wW);
1330     AliMedium(97,"SPD SERVICES$",97,0,ifield,fieldm,tmaxfd,stemax,
1331               deemax,epsil,stmin);
1332
1333
1334     // Special media
1335
1336     AliMaterial(90,"SPD shield$", 12.011, 6., 1.93 , 22.36, 999);
1337     AliMedium(90,"SPD shield$",90,0,ifield,fieldm,tmaxfdServ,stemaxServ,deemaxServ,epsilServ,stminServ);
1338
1339     // SPD End Ladder (data from Petra Riedler)
1340     Float_t aSPDel[5] = {1.00794,12.0107,14.01,15.9994,63.54 };
1341     Float_t zSPDel[5] = {1.,6.,7.,8.,29.};
1342     Float_t wSPDel[5] = {0.004092,0.107274,0.011438,0.032476,0.844719};
1343     Float_t dSPDel    = 3.903403;
1344
1345     //   AliMaterial(91, "SPD End ladder$", 47.0447, 21.7963, 3.6374, 4.4711, 999);
1346     AliMixture(91,"SPD End ladder$",aSPDel,zSPDel,dSPDel,5,wSPDel);
1347     AliMedium(91,"SPD End ladder$",91,0,ifield,fieldm,tmaxfdServ,stemaxServ,deemaxServ,epsilServ,stminServ);
1348
1349     AliMaterial(92, "SPD cone$",28.0855, 14., 2.33, 9.36, 999);
1350     AliMedium(92,"SPD cone$",92,0,ifield,fieldm,tmaxfdServ,stemaxServ,deemaxServ,epsilServ,stminServ);
1351     /*  Material with fractional Z not actually used
1352     AliMaterial(93, "SDD End ladder$", 69.9298, 29.8246, 0.3824, 36.5103, 999);
1353     AliMedium(93,"SDD End ladder$",93,0,ifield,fieldm,tmaxfdServ,stemaxServ,deemaxServ,epsilServ,stminServ);
1354     */
1355     AliMaterial(94, "SDD cone$",63.546, 29., 1.15, 1.265, 999);
1356     AliMedium(94,"SDD cone$",94,0,ifield,fieldm,tmaxfdServ,stemaxServ,deemaxServ,epsilServ,stminServ);
1357     /* Material with fractional Z not actually used
1358     AliMaterial(95, "SSD End ladder$", 32.0988, 15.4021, 0.68, 35.3238, 999);
1359     AliMedium(95,"SSD End ladder$",95,0,ifield,fieldm,tmaxfdServ,stemaxServ,deemaxServ,epsilServ,stminServ);
1360     */
1361     AliMaterial(96, "SSD cone$",63.546, 29., 1.15, 1.265, 999);
1362     AliMedium(96,"SSD cone$",96,0,ifield,fieldm,tmaxfdServ,stemaxServ,deemaxServ,epsilServ,stminServ);
1363
1364     AliMixture(98,"SDD OPTICFIB$",aoptfib,zoptfib,doptfib,-2,woptfib);
1365     AliMedium(98,"SDD OPTICFIB$",98,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1366
1367     AliMixture(95,"SSD FEP$",aFEP,zFEP,dFEP,-2,wFEP);
1368     AliMedium(95,"SSD FEP$",95,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1369
1370     // Mean material for low-voltage cables on SPD trays Side A
1371     // (Copper + PolyEthylene (C2-H4)) (D.Elia for cable number and
1372     // cross-section area, M.Sitta for elemental computation) - 26 Feb 10
1373     wW[0] = 0.323024;//H
1374     wW[2] = 0.515464;//Cu
1375     wW[1] = 0.161512;//C
1376     wW[3] = 0.000000;//O
1377     wW[4] = 0.000000;//S
1378     wW[5] = 0.000000;//F
1379     wW[6] = 0.000000;//Sn
1380     wW[7] = 0.000000;//Pb
1381     wW[8] = 0.000000;//Cr
1382     wW[9] = 0.000000;//Si
1383     wW[10] = 0.000000;//Ni
1384     wW[11] = 0.000000;//Ca
1385
1386     den = 5.078866;
1387     AliMixture(60,"SPD_LOWCABLES$",aA,zZ,den,+3,wW);
1388     AliMedium(60,"SPD_LOWCABLES$",60,0,ifield,fieldm,tmaxfd,stemax,
1389               deemax,epsil,stmin);
1390
1391     // Mean material for high-voltage cables on SPD trays Side A & C
1392     // (Copper + HD PolyEthylene (C2-H2)) (D.Elia for cable number and
1393     // cross-section area, M.Sitta for elemental computation) - 10 Jun 10
1394     wW[0] = 0.083766;//H
1395     wW[2] = 0.417136;//Cu
1396     wW[1] = 0.499098;//C
1397     wW[3] = 0.000000;//O
1398     wW[4] = 0.000000;//S
1399     wW[5] = 0.000000;//F
1400     wW[6] = 0.000000;//Sn
1401     wW[7] = 0.000000;//Pb
1402     wW[8] = 0.000000;//Cr
1403     wW[9] = 0.000000;//Si
1404     wW[10] = 0.000000;//Ni
1405     wW[11] = 0.000000;//Ca
1406
1407     den = 1.514930;
1408     AliMixture(58,"SPD_HICABLES$",aA,zZ,den,+3,wW);
1409     AliMedium(58,"SPD_HICABLES$",58,0,ifield,fieldm,tmaxfd,stemax,
1410               deemax,epsil,stmin);
1411
1412     // PolyUrethane [C25-H42-N2-O6] - 07 Mar 10
1413     zZ[2] =  7.0; aA[2] =  14.0067; // Nitrogen - From Root TGeoElementTable
1414
1415     wW[0] = 0.090724;//H
1416     wW[2] = 0.060035;//N
1417     wW[1] = 0.643513;//C
1418     wW[3] = 0.205728;//O
1419     wW[4] = 0.000000;//S
1420     wW[5] = 0.000000;//F
1421     wW[6] = 0.000000;//Sn
1422     wW[7] = 0.000000;//Pb
1423     wW[8] = 0.000000;//Cr
1424     wW[9] = 0.000000;//Si
1425     wW[10] = 0.000000;//Ni
1426     wW[11] = 0.000000;//Ca
1427
1428     den = 1.158910;
1429     AliMixture(67,"POLYURETHANE$",aA,zZ,den,+4,wW);
1430     AliMedium(67,"POLYURETHANE$",67,0,ifield,fieldm,tmaxfd,stemax,
1431               deemax,epsil,stmin);
1432
1433     //  POM (Polyoxymethylene = (CH2O)n ) - 02 May 10
1434     zZ[2] =  8.0; aA[2] =  15.9994; // Oxigen
1435
1436     wW[0] = 0.067137;//H
1437     wW[1] = 0.400016;//C
1438     wW[2] = 0.532847;//O
1439     wW[3] = 0.000000;//O
1440     wW[4] = 0.000000;//S
1441     wW[5] = 0.000000;//F
1442     wW[6] = 0.000000;//Sn
1443     wW[7] = 0.000000;//Pb
1444     wW[8] = 0.000000;//Cr
1445     wW[9] = 0.000000;//Si
1446     wW[10] = 0.000000;//Ni
1447     wW[11] = 0.000000;//Ca
1448
1449     den = 1.4200;
1450     AliMixture(57,"POLYOXYMETHYLENE$",aA,zZ,den,+3,wW);
1451     AliMedium(57,"POLYOXYMETHYLENE$",57,0,ifield,fieldm,tmaxfd,stemax,
1452               deemax,epsil,stmin);
1453
1454
1455     // Anticorodal (Aliminum alloy) - 08 nov 10
1456     // A,Z from Root TGeoElementTable, W from Web sites
1457     zZ[0] = 13.0; aA[0] =  26.9815; // Aluminium
1458     zZ[1] = 29.0; aA[1] =  63.546 ; // Copper
1459     zZ[2] = 26.0; aA[2] =  55.845 ; // Iron
1460     zZ[3] = 25.0; aA[3] =  54.938 ; // Manganese
1461     zZ[4] = 12.0; aA[4] =  24.305 ; // Magnesium
1462     zZ[5] = 14.0; aA[5] =  28.0855; // Silicon
1463     zZ[6] = 30.0; aA[6] =  65.39  ; // Zinc
1464     zZ[7] = 24.0; aA[7] =  51.9961; // Chromium
1465     zZ[8] = 22.0; aA[8] =  47.867 ; // Titanium
1466
1467     wW[1] = 0.001000;//Cu
1468     wW[2] = 0.005000;//Fe
1469     wW[3] = 0.007000;//Mn - mean value
1470     wW[4] = 0.009000;//Mg - mean value
1471     wW[5] = 0.001000;//Si - mean value
1472     wW[6] = 0.002000;//Zn
1473     wW[7] = 0.002500;//Cr
1474     wW[8] = 0.001000;//Ti
1475
1476     Double_t totFrac = 0;
1477     for (Int_t j=1; j<9; j++)
1478       totFrac += wW[j];
1479     wW[0] = 1. - totFrac;//Al - the remainder
1480
1481     den = 2.69;
1482     AliMixture(93,"ANTICORODAL$",aA,zZ,den,+9,wW);
1483     AliMedium(93,"ANTICORODAL$",93,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1484
1485     // Hokotol (another Aluminium alloy) - 08 nov 10
1486     // A,Z from Root TGeoElementTable, W from Web sites
1487     zZ[0] = 13.0; aA[0] =  26.9815; // Aluminium
1488     zZ[1] = 29.0; aA[1] =  63.546 ; // Copper
1489     zZ[2] = 26.0; aA[2] =  55.845 ; // Iron
1490     zZ[3] = 25.0; aA[3] =  54.938 ; // Manganese
1491     zZ[4] = 12.0; aA[4] =  24.305 ; // Magnesium
1492     zZ[5] = 14.0; aA[5] =  28.0855; // Silicon
1493     zZ[6] = 30.0; aA[6] =  65.39  ; // Zinc
1494     zZ[7] = 24.0; aA[7] =  51.9961; // Chromium
1495     zZ[8] = 22.0; aA[8] =  47.867 ; // Titanium
1496     zZ[9] = 40.0; aA[9] =  91.224 ; // Zirconium
1497
1498     wW[1] = 0.020500;//Cu - mean value
1499     wW[2] = 0.000300;//Fe
1500     wW[3] = 0.022000;//Mn - mean value
1501     wW[4] = 0.001000;//Mg - mean value
1502     wW[5] = 0.002000;//Si - mean value
1503     wW[6] = 0.066500;//Zn
1504     wW[7] = 0.005000;//Cr
1505     wW[8] = 0.000600;//Ti
1506     wW[9] = 0.001650;//Zr - mean value
1507
1508     totFrac = 0;
1509     for (Int_t j=1; j<10; j++)
1510       totFrac += wW[j];
1511     wW[0] = 1. - totFrac;//Al - the remainder
1512
1513     den = 2.69;
1514     AliMixture(34,"HOKOTOL$",aA,zZ,den,+10,wW);
1515     AliMedium(34,"HOKOTOL$",34,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1516
1517     // Ergal (7075) (yet another Aluminium alloy) - 09 nov 10
1518     // A,Z from Root TGeoElementTable, W from Web sites
1519     zZ[0] = 13.0; aA[0] =  26.9815; // Aluminium
1520     zZ[1] = 29.0; aA[1] =  63.546 ; // Copper
1521     zZ[2] = 26.0; aA[2] =  55.845 ; // Iron
1522     zZ[3] = 25.0; aA[3] =  54.938 ; // Manganese
1523     zZ[4] = 12.0; aA[4] =  24.305 ; // Magnesium
1524     zZ[5] = 14.0; aA[5] =  28.0855; // Silicon
1525     zZ[6] = 30.0; aA[6] =  65.39  ; // Zinc
1526     zZ[7] = 24.0; aA[7] =  51.9961; // Chromium
1527     zZ[8] = 22.0; aA[8] =  47.867 ; // Titanium
1528
1529     wW[1] = 0.016000;//Cu - mean value
1530     wW[2] = 0.005000;//Fe
1531     wW[3] = 0.003000;//Mn
1532     wW[4] = 0.025000;//Mg - mean value
1533     wW[5] = 0.004000;//Si
1534     wW[6] = 0.056000;//Zn - mean value
1535     wW[7] = 0.002300;//Cr - mean value
1536     wW[8] = 0.002000;//Ti
1537
1538     totFrac = 0;
1539     for (Int_t j=1; j<9; j++)
1540       totFrac += wW[j];
1541     wW[0] = 1. - totFrac;//Al - the remainder
1542
1543     den = 2.69;
1544     AliMixture(33,"ERGAL$",aA,zZ,den,+9,wW);
1545     AliMedium(33,"ERGAL$",33,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
1546
1547 }
1548
1549 //______________________________________________________________________
1550 void AliITSv11::Init()
1551 {
1552     //     Initialise the ITS after it has been created.
1553     // Inputs:
1554     //   none.
1555     // Outputs:
1556     //   none.
1557     // Return:
1558     //   none.
1559
1560     AliDebug(1,Form("Init: Major version %d Minor version %d",fMajorVersion,
1561                  fMinorVersion));
1562     UpdateInternalGeometry();
1563     AliITS::Init();
1564
1565     fIDMother = gMC->VolId("ITSV"); // ITS Mother Volume ID.
1566 }
1567
1568 //______________________________________________________________________
1569 void AliITSv11::SetDefaults()
1570 {
1571     // sets the default segmentation, response, digit and raw cluster classes
1572     // Inputs:
1573     //   none.
1574     // Outputs:
1575     //   none.
1576     // Return:
1577     //   none.
1578
1579     if(!fDetTypeSim){
1580         Warning("SetDefaults","Error fDetTypeSim not defined");
1581         return;
1582     }
1583
1584     fDetTypeSim->SetDefaults();
1585
1586
1587     if(fgkNTYPES>3){
1588         Warning("SetDefaults",
1589                 "Only the four basic detector types are initialised!");
1590     }// end if
1591     return;
1592 }
1593
1594 //______________________________________________________________________
1595 void AliITSv11::StepManager()
1596 {
1597     //    Called for every step in the ITS, then calles the AliITShit class
1598     // creator with the information to be recoreded about that hit.
1599     //     The value of the macro ALIITSPRINTGEOM if set to 1 will allow the
1600     // printing of information to a file which can be used to create a .det
1601     // file read in by the routine CreateGeometry(). If set to 0 or any other
1602     // value except 1, the default behavior, then no such file is created nor
1603     // it the extra variables and the like used in the printing allocated.
1604     // Inputs:
1605     //   none.
1606     // Outputs:
1607     //   none.
1608     // Return:
1609     //   none.
1610
1611     if(!(this->IsActive())) return;
1612     if(!(gMC->TrackCharge())) return;
1613
1614     Int_t copy, lay = 0;
1615     Int_t id = gMC->CurrentVolID(copy);
1616
1617     Bool_t notSens = kFALSE;
1618     while ((lay<fIdN)  && (notSens = id != fIdSens[lay])) ++lay;
1619     if (notSens) return;
1620
1621     if(gMC->IsTrackExiting()) {
1622         AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kITS);
1623     } // if Outer ITS mother Volume
1624
1625     static TLorentzVector position, momentum; // Saves on calls to construtors
1626     static AliITShit hit;// Saves on calls to constructors
1627
1628     TClonesArray &lhits = *(Hits());
1629     Int_t   cpn0, cpn1, mod, status = 0;
1630     //
1631     // Track status
1632     if(gMC->IsTrackInside())      status +=  1;
1633     if(gMC->IsTrackEntering())    status +=  2;
1634     if(gMC->IsTrackExiting())     status +=  4;
1635     if(gMC->IsTrackOut())         status +=  8;
1636     if(gMC->IsTrackDisappeared()) status += 16;
1637     if(gMC->IsTrackStop())        status += 32;
1638     if(gMC->IsTrackAlive())       status += 64;
1639
1640     //
1641     // retrieve the indices with the volume path
1642     //
1643     switch (lay) {
1644     case 0:case 1: // SPD
1645       gMC->CurrentVolOffID(1,copy); // ladder
1646       gMC->CurrentVolOffID(3,cpn1); // stave
1647       gMC->CurrentVolOffID(5,cpn0); // sector
1648       break;
1649     case 2:case 3: // SDD
1650       copy = 1;
1651       gMC->CurrentVolOffID(2,cpn1);
1652       gMC->CurrentVolOffID(3,cpn0);
1653       break;
1654     case 4:case 5: // SSD
1655       copy = 1;
1656       gMC->CurrentVolOffID(1,cpn1);
1657       gMC->CurrentVolOffID(2,cpn0);
1658       break;
1659     default:
1660       AliError(Form("Invalid value: lay= %d . Not an ITS sensitive volume",lay));
1661       return; // not an ITS sensitive volume.
1662     } //
1663
1664     fInitGeom.DecodeDetector(mod,lay+1,cpn0,cpn1,copy);
1665     // We should not need to pass by the switch !
1666     // This is time consuming...
1667     // therefore DecodeDetectorv11(...) shouldn't be private !
1668     // and we should be able to use instead :
1669     //fInitGeom.DecodeDetectorv11(mod,lay+1,cpn0,cpn1,copy);
1670
1671     //
1672     // Fill hit structure.
1673     //
1674     hit.SetModule(mod);
1675     hit.SetTrack(gAlice->GetMCApp()->GetCurrentTrackNumber());
1676     gMC->TrackPosition(position);
1677     gMC->TrackMomentum(momentum);
1678     hit.SetPosition(position);
1679     hit.SetTime(gMC->TrackTime());
1680     hit.SetMomentum(momentum);
1681     hit.SetStatus(status);
1682     hit.SetEdep(gMC->Edep());
1683     hit.SetShunt(GetIshunt());
1684     if(gMC->IsTrackEntering()){
1685         hit.SetStartPosition(position);
1686         hit.SetStartTime(gMC->TrackTime());
1687         hit.SetStartStatus(status);
1688         return; // don't save entering hit.
1689     } // end if IsEntering
1690     // Fill hit structure with this new hit.
1691     //Info("StepManager","Calling Copy Constructor");
1692     new(lhits[fNhits++]) AliITShit(hit); // Use Copy Construtor.
1693     // Save old position... for next hit.
1694     hit.SetStartPosition(position);
1695     hit.SetStartTime(gMC->TrackTime());
1696     hit.SetStartStatus(status);
1697
1698     return;
1699 }