STRUCT/AliPIPEv4.cxx

   1
   2 /**************************************************************************
   3  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   4  *                                                                        *
   5  * Author: The ALICE Off-line Project.                                    *
   6  * Contributors are mentioned in the code where appropriate.              *
   7  *                                                                        *
   8  * Permission to use, copy, modify and distribute this software and its   *
   9  * documentation strictly for non-commercial purposes is hereby granted   *
  10  * without fee, provided that the above copyright notice appears in all   *
  11  * copies and that both the copyright notice and this permission notice   *
  12  * appear in the supporting documentation. The authors make no claims     *
  13  * about the suitability of this software for any purpose. It is          *
  14  * provided "as is" without express or implied warranty.                  *
  15  **************************************************************************/
  16
  17
  18 //-------------------------------------------------------------------------
  19 //  Beam pipe class for ALICE MFT upgrade
  20 //  This version uses TGeo
  21 //  Authors:
  22 //  F. Manso
  23 //  A. Morsch
  24 //-------------------------------------------------------------------------
  25
  26
  27 #include <Riostream.h>
  28
  29 #include <TSystem.h>
  30 #include <TVirtualMC.h>
  31 #include <TGeoManager.h>
  32 #include <TGeoMatrix.h>
  33 #include <TGeoVolume.h>
  34 #include <TGeoTorus.h>
  35 #include <TGeoTube.h>
  36 #include <TGeoCone.h>
  37 #include <TGeoPcon.h>
  38 #include <TGeoBBox.h>
  39 #include <TGeoXtru.h>
  40 #include <TGeoCompositeShape.h>
  41 #include <TGeoGlobalMagField.h>
  42
  43 #include "AliConst.h"
  44 #include "AliMagF.h"
  45 #include "AliPIPEv4.h"
  46 #include "AliRun.h"
  47 #include "AliLog.h"
  48
  49 ClassImp(AliPIPEv4)
  50
  51 //_____________________________________________________________________________
  52 AliPIPEv4::AliPIPEv4():
  53   fRmax(1.98),            // outer radius of Be beam pipe
  54   fBe(0.08),              // width of Be beam pipe
  55   fZ1(50.),               // beginning of beam pipe z location (A side)
  56   fZ2(-57.25),               // end of Be beam pipe z location (C side)
  57   fZ3(-82.)               // end of beam pipe z location (C side)
  58 {
  59   // Constructor
  60 }
  61
  62 //_____________________________________________________________________________
  63 AliPIPEv4::AliPIPEv4(const char *name, const char *title)
  64   : AliPIPE(name,title),
  65     fRmax(1.98),            // outer radius of Be beam pipe
  66     fBe(0.08),              // width of Be beam pipe
  67     fZ1(50.),               // beginning of beam pipe z location (A side)
  68     fZ2(-57.25),              // end of Be beam pipe z location (C side)
  69     fZ3(-82.)               // end of Steel beam pipe z location (C side)
  70 {
  71   // Constructor
  72 }
  73
  74
  75 //_____________________________________________________________________________
  76 AliPIPEv4::AliPIPEv4(const char *name, const char *title, const Float_t rmax, const Float_t width)
  77   : AliPIPE(name,title),
  78     fRmax(rmax),             // outer radius of Be beam pipe
  79     fBe(width),              // width of Be beam pipe
  80     fZ1(50.),                // beginning of beam pipe z location (A side)
  81     fZ2(-57.25),               // end of Be beam pipe z location (C side)
  82     fZ3(-82.)                // end of Steel beam pipe z location (C side)
  83 {
  84   // Constructor
  85 }
  86
  87 //_____________________________________________________________________________
  88 AliPIPEv4::AliPIPEv4(const char *name, const char *title, const Float_t rmax, const Float_t width, const Float_t z2)
  89   : AliPIPE(name,title),
  90     fRmax(rmax),             // outer radius of Be beam pipe
  91     fBe(width),              // width of Be beam pipe
  92     fZ1(50.),                // beginning of beam pipe z location (A side)
  93     fZ2(z2),                 // end of Be beam pipe z location (C side)
  94     fZ3(-82.)                // end of Steel beam pipe z location (C side)
  95 {
  96   // Constructor
  97 }
  98
  99
 100 //___________________________________________
 101 void AliPIPEv4::CreateGeometry()
 102 {
 103   AliDebug(1,"Create PIPEv4 geometry");
 104   //
 105   //  Class describing the beam pipe geometry
 106   //
 107   Float_t z, zsh, z0;
 108   //
 109   // Rotation Matrices
 110   //
 111   const Float_t  kDegRad = TMath::Pi() / 180.;
 112   // Rotation by 180 deg
 113   TGeoRotation* rot180        = new TGeoRotation("rot180", 90., 180.,  90.,  90., 180.,   0.);
 114   TGeoRotation* rotyz         = new TGeoRotation("rotyz",  90., 180.,   0., 180.,  90.,  90.);
 115   TGeoRotation* rotxz         = new TGeoRotation("rotxz",   0.,   0.,  90.,  90.,  90., 180.);
 116   //TGeoRotation* rot045        = new TGeoRotation("rot045", 90.,  45.,  90., 135.,   0.,   0.);
 117   //TGeoRotation* rot135        = new TGeoRotation("rot135", 90. ,135.,  90., 225.,   0.,   0.);
 118   //TGeoRotation* rot225        = new TGeoRotation("rot225", 90. ,225.,  90., 315.,   0.,   0.);
 119   //TGeoRotation* rot315        = new TGeoRotation("rot315", 90. ,315.,  90.,  45.,   0.,   0.);
 120   //
 121   // Media
 122   //const TGeoMedium* kMedSi      =  gGeoManager->GetMedium("PIPE_SILICON"); //FM
 123   const TGeoMedium* kMedAir     =  gGeoManager->GetMedium("PIPE_AIR");
 124   const TGeoMedium* kMedAirHigh =  gGeoManager->GetMedium("PIPE_AIR_HIGH");
 125   const TGeoMedium* kMedVac     =  gGeoManager->GetMedium("PIPE_VACUUM");
 126   const TGeoMedium* kMedInsu    =  gGeoManager->GetMedium("PIPE_INS_C0");
 127   const TGeoMedium* kMedSteel   =  gGeoManager->GetMedium("PIPE_INOX");
 128   const TGeoMedium* kMedBe      =  gGeoManager->GetMedium("PIPE_BE");
 129   const TGeoMedium* kMedCu      =  gGeoManager->GetMedium("PIPE_CU");
 130   //const TGeoMedium* kMedKapton  =  gGeoManager->GetMedium("PIPE_KAPTON");
 131   //const TGeoMedium* kMedAco     =  gGeoManager->GetMedium("PIPE_ANTICORODAL");
 132   //const TGeoMedium* kMedNEG     =  gGeoManager->GetMedium("PIPE_NEG COATING");
 133   //const TGeoMedium* kMedAlu     =  gGeoManager->GetMedium("PIPE_ALU");    //FM
 134   //const TGeoMedium* kMedAlu5083 =  gGeoManager->GetMedium("PIPE_AA5083"); //FM
 135   const TGeoMedium* kMedAlu2219 =  gGeoManager->GetMedium("PIPE_AA2219");   //FM
 136
 137   // Top volume
 138   TGeoVolume* top    = gGeoManager->GetVolume("ALIC");
 139   //
 140   //
 141   ////////////////////////////////////////////////////////////////////////////////
 142   //                                                                            //
 143   //                                  The Central Vacuum system                 //
 144   //                                                                            //
 145   ////////////////////////////////////////////////////////////////////////////////
 146   //
 147   //
 148   //  The ALICE central beam-pipe according to drawing         LHCVC2C_0001
 149   //  Drawings of sub-elements:
 150   //
 151   //  Pos 7 - Minimised Flange:                                LHCVFX_P0025
 152   //  Pos 6 - Standard Flange:                                 STDVFUHV0009
 153   //  Pos 8 - Bellow:                                          LHCVBX__0001
 154   //
 155   //  Absolute z-coordinates -82.0 - 400.0 cm
 156   //  Total length:                                          482.0 cm
 157   //  It consists of 3 main parts:
 158   //  CP/2 The flange on the non-absorber side:               36.5 cm
 159   //  CP/1 The central Be pipe:                              405.0 cm
 160   //  CP/3 The double-bellow and flange on the absorber side: 40.5 cm
 161
 162   //
 163   /*
 164   //  Starting position in z
 165   const Float_t kCPz0      = -400.0;
 166   //  Length of the CP/1 section
 167   const Float_t kCP1Length =  405.0;
 168   //  Length of the CP/2 section
 169   const Float_t kCP2Length =   36.5;
 170   //  Length of the CP/3 section
 171   const Float_t kCP3Length =   40.5;
 172   //  Position of the CP/2 section
 173   //    const Float_t kCP2pos    = kCPz0 + kCP2Length / 2.;
 174   //  Position of the CP/3 section
 175   const Float_t kCP3pos    = kCPz0 + kCP2Length + kCP1Length + kCP3Length/2.;
 176   */
 177
 178
 179
 180   //////////////////// NEW BEAM PIPE GEOMETRY FOR MuonForwardTracker , Author: F. Manso /////////////////////////
 181
 182   /*
 183   //-------------------------------- New ITS L0 layer --------------------------------//
 184   // Silicon L0
 185   TGeoPcon* itsL0si = new TGeoPcon(0., 360., 2);
 186
 187   // 50 microns silicium
 188   Float_t wSilicium=0.005;
 189   // Internal radius
 190   Float_t radiusL0=2.20;
 191
 192   itsL0si->DefineSection(0, 21./2., radiusL0, radiusL0 + wSilicium);
 193   itsL0si->DefineSection(1,-21./2., radiusL0, radiusL0 + wSilicium);
 194   TGeoVolume* voitsL0si = new TGeoVolume("voitsL0si",itsL0si,kMedSi);
 195
 196   // 36 microns of Copper
 197   TGeoPcon* itsL0cu = new TGeoPcon(0., 360., 2);
 198   itsL0cu->DefineSection(0, 21./2., radiusL0 + wSilicium, radiusL0 + wSilicium + 0.0036);
 199   itsL0cu->DefineSection(1,-21./2., radiusL0 + wSilicium, radiusL0 + wSilicium + 0.0036);
 200   TGeoVolume* voitsL0cu = new TGeoVolume("voitsL0cu",itsL0cu,kMedCu);
 201
 202   top->AddNode(voitsL0si,1,new TGeoTranslation(0., 0., 0.));
 203   top->AddNode(voitsL0cu,1,new TGeoTranslation(0., 0., 0.));
 204   //----------------------------------------------------------------------------------//
 205  */
 206
 207
 208   //--------------- Cylindrical beam pipe -------------
 209
 210   TGeoPcon* tube0 = new TGeoPcon(0., 360., 2);
 211   tube0->DefineSection(0,fZ1,fRmax-fBe,fRmax);
 212   tube0->DefineSection(1,fZ2,fRmax-fBe,fRmax);
 213   TGeoVolume* votube0 = new TGeoVolume("votube0",tube0,kMedBe);
 214   votube0->SetLineColor(kRed);
 215   top->AddNode(votube0,1,new TGeoTranslation(0., 0., 0.));
 216
 217   // -------------- Vaccum ----------------
 218   TGeoPcon* tube0vide = new TGeoPcon(0., 360., 2);
 219   tube0vide->DefineSection(0,fZ1, 0.,fRmax-fBe);
 220   tube0vide->DefineSection(1,fZ2, 0.,fRmax-fBe);
 221   TGeoVolume* votube0vide = new TGeoVolume("votube0vide",tube0vide,kMedVac);
 222   votube0vide->SetVisibility(0);
 223   top->AddNode(votube0vide,1,new TGeoTranslation(0., 0., 0.));
 224
 225   TGeoPcon* tube12vide = new TGeoPcon(0., 360., 2);
 226   tube12vide->DefineSection(0,fZ2, 0.,fRmax-fBe);
 227   tube12vide->DefineSection(1,fZ3+9.0, 0.,fRmax-fBe);
 228   TGeoVolume* votube12vide = new TGeoVolume("votube12vide",tube12vide,kMedVac);
 229   votube12vide->SetVisibility(0);
 230   top->AddNode(votube12vide,1,new TGeoTranslation(0., 0., 0.));
 231
 232   TGeoPcon* adaptatorVide = new TGeoPcon(0., 360., 3);
 233   adaptatorVide->DefineSection(0,fZ3+9.0, 0., fRmax-fBe);
 234   adaptatorVide->DefineSection(1,fZ3+1.4, 0., 3.0-fBe);
 235   adaptatorVide->DefineSection(2,fZ3    , 0., 3.0-fBe);
 236   TGeoVolume* voadaptatorVide = new TGeoVolume("voadaptatorVide",adaptatorVide,kMedVac);
 237   voadaptatorVide->SetVisibility(0);
 238   top->AddNode(voadaptatorVide,1,new TGeoTranslation(0., 0., 0.));
 239
 240   // -------------- End Vaccum ------------
 241
 242   // -------------- Bellows --------------
 243   Float_t plieradius = (3.8 + (2. *  7 - 2.) * 0.03) / (4. * 7);  // radius of bellows "plis"
 244   Float_t dzbellow1=2.0;  // distance between the start of the aluminium beam pipe and the first bellows
 245   Float_t dzbellow2=4.0;  // distance between the 2 bellows
 246   //--------------------------------------
 247
 248   //---------------- First Al tube ------------------
 249   TGeoPcon* tube1 = new TGeoPcon(0., 360., 2);
 250   tube1->DefineSection(0,fZ2, fRmax-fBe,fRmax);
 251   tube1->DefineSection(1,fZ2-dzbellow1+1.5*plieradius, fRmax-fBe,fRmax);
 252   TGeoVolume* votube1 = new TGeoVolume("votube1",tube1,kMedAlu2219);
 253   votube1->SetLineColor(kBlue);
 254   top->AddNode(votube1,1,new TGeoTranslation(0., 0., 0.));
 255
 256   //-------------------------------------------------
 257
 258   // ------------------ Bellows 1  -----------------------
 259   TGeoVolume* vobellows1 = MakeBellow("bellows1", 7, 2.0, 2.665, 3.8, plieradius ,0.03);
 260   top->AddNode(vobellows1, 1, new TGeoTranslation(0., 0., fZ2-dzbellow1-(3.8)/2.));
 261
 262   //------------------------------------------------------
 263
 264   //------------- Second Al tube --------------
 265   TGeoPcon* tube2 = new TGeoPcon(0., 360., 2);
 266   tube2->DefineSection(0,fZ2-dzbellow1-3.8, fRmax-fBe,fRmax);
 267   tube2->DefineSection(1,fZ2-dzbellow1-3.8-dzbellow2+1.5*plieradius, fRmax-fBe,fRmax);
 268   TGeoVolume* votube2 = new TGeoVolume("votube2",tube2,kMedAlu2219);
 269   votube2->SetLineColor(kBlue);
 270   top->AddNode(votube2,1,new TGeoTranslation(0., 0., 0.));
 271
 272   //-------------------------------------------
 273
 274   // ------------------ Bellows 2 -----------------------
 275   TGeoVolume* vobellows2 = MakeBellow("bellows2", 7, 2.0, 2.665, 3.8, plieradius ,0.03);
 276   top->AddNode(vobellows2, 1, new TGeoTranslation(0., 0., fZ2-dzbellow1-3.8-dzbellow2-3.8/2.));
 277
 278   //-----------------------------------------------------
 279
 280   //------------- Conical adaptator -------------
 281   TGeoPcon* adaptator = new TGeoPcon(0., 360., 6);
 282   adaptator->DefineSection(0,fZ2-dzbellow1-3.8-dzbellow2-3.8, fRmax-fBe,fRmax);
 283   adaptator->DefineSection(1,fZ3+9.0, fRmax-fBe ,fRmax);
 284   adaptator->DefineSection(2,fZ3+9.0, fRmax-fBe, fRmax);
 285   adaptator->DefineSection(3,fZ3+1.4, 3.0-fBe ,3.0);
 286   adaptator->DefineSection(4,fZ3+1.4, 3.0-fBe ,3.0);
 287   adaptator->DefineSection(5,fZ3, 3.0-fBe ,3.0);
 288   TGeoVolume* voadaptator = new TGeoVolume("voadaptator",adaptator,kMedAlu2219);
 289   voadaptator->SetLineColor(kBlue);
 290   top->AddNode(voadaptator,1,new TGeoTranslation(0., 0., 0.));
 291
 292   //---------------------------------------------
 293
 294   TGeoPcon* flange = new TGeoPcon(0., 360., 2);
 295   flange->DefineSection(0,fZ3+1.4, 3.0, 4.3);
 296   flange->DefineSection(1,fZ3+0.3, 3.0, 4.3);
 297   TGeoVolume* voflange = new TGeoVolume("voflange",flange,kMedAlu2219);
 298   voflange->SetLineColor(kBlue+3);
 299   top->AddNode(voflange,1,new TGeoTranslation(0., 0., 0.));
 300
 301   // ------------- Inox ring --------------------
 302   TGeoPcon* ring = new TGeoPcon(0., 360., 2);
 303   ring->DefineSection(0,fZ3+0.3,3.0, 4.3);
 304   ring->DefineSection(1,fZ3,    3.0, 4.3);
 305   TGeoVolume* voring = new TGeoVolume("voring",ring,kMedSteel);
 306   voring->SetLineColor(kYellow);
 307   top->AddNode(voring,1,new TGeoTranslation(0., 0., 0.));
 308   //---------------------------------------------
 309
 310
 311   /////////////////////////// END NEW BEAM PIPE GEOMETRY /////////////////////////////
 312
 313
 314
 315   /*
 316
 317   //
 318   ///////////////////
 319   //      CP/2     //
 320   ///////////////////
 321   //
 322   // Fixed Point tube [Pos 5]
 323   //
 324   // Inner and outer radii of the Stainless Steel pipe
 325   const Float_t kCP2StRi               =      2.90;
 326   const Float_t kCP2StRo               =      2.98;
 327   //
 328   // Transition to central Be-pipe (Bulge)
 329   // Length
 330   const Float_t kCP2BulgeLength        =      0.80;
 331   //
 332   // Bulge outer radius
 333   const Float_t kCP2BulgeRo            =      3.05;
 334   //
 335   // Fixed Point at z = 391.7 (IP)
 336   //
 337   // Position of fixed point
 338   const Float_t kCP2FixedPointZ        =      8.30;
 339   //
 340   // Outer radius of fixed point
 341   const Float_t kCP2FixedPointRo       =      3.50;
 342   //
 343   // Length of fixed point
 344   const Float_t kCP2FixedPointLength   =      0.60;
 345   //
 346   // Fixed Flange [Pos 6]
 347   //
 348   // Fixed flange outer radius
 349   const Float_t kCP2FixedFlangeRo      =      7.60;
 350   //
 351   // Fixed flange inner radius
 352   const Float_t kCP2FixedFlangeRi      =      3.00;
 353   // Fixed flange inner radius bulge
 354   const Float_t kCP2FixedFlangeBulgeRi =      2.90;
 355   // Fixed flange lengths of sections at inner radius
 356   const Float_t kCP2FixedFlangeRecessLengths[3] ={1., 0.08, 0.9};
 357   // Fixed flange length
 358   const Float_t kCP2FixedFlangeLength =       1.98;
 359   //
 360   // Fixed flange bulge
 361   // Outer radius
 362   const Float_t kCP2FixedFlangeBulgeRo =     3.00;
 363   //
 364   // Length
 365   const Float_t kCP2FixedFlangeBulgeLength = 2.00;
 366
 367   //
 368   // CP/2 Mother Volume
 369   //
 370   TGeoPcon* shCp2Mo = new TGeoPcon(0., 360., 14);
 371   //  Flange
 372   z = - kCP2Length / 2.;
 373   shCp2Mo->DefineSection( 0, z, kCP2FixedFlangeRi, kCP2FixedFlangeRo);
 374   z +=  kCP2FixedFlangeRecessLengths[0];
 375   shCp2Mo->DefineSection( 1, z, kCP2FixedFlangeRi, kCP2FixedFlangeRo);
 376   shCp2Mo->DefineSection( 2, z, 0.,                kCP2FixedFlangeRo);
 377   z +=  (kCP2FixedFlangeRecessLengths[1] + kCP2FixedFlangeRecessLengths[2]) ;
 378   shCp2Mo->DefineSection( 3, z, 0., kCP2FixedFlangeRo);
 379   //  Straight section between Flange and Fixed Point
 380   shCp2Mo->DefineSection( 4, z, 0., kCP2FixedFlangeBulgeRo);
 381   z += kCP2FixedFlangeBulgeLength;
 382   shCp2Mo->DefineSection( 5, z, 0., kCP2FixedFlangeBulgeRo);
 383   shCp2Mo->DefineSection( 6, z, 0., kCP2StRo);
 384   z =  - kCP2Length / 2 +  kCP2FixedPointZ - kCP2FixedPointLength / 2.;
 385   shCp2Mo->DefineSection( 7, z, 0., kCP2StRo);
 386   //  Fixed Point
 387   shCp2Mo->DefineSection( 8, z, 0., kCP2FixedPointRo);
 388   z +=  kCP2FixedPointLength;
 389   shCp2Mo->DefineSection( 9, z, 0., kCP2FixedPointRo);
 390   //  Straight section between Fixed Point and transition bulge
 391   shCp2Mo->DefineSection(10, z, 0., kCP2StRo);
 392   z  =  kCP2Length / 2. - kCP2BulgeLength;
 393   shCp2Mo->DefineSection(11, z, 0., kCP2StRo);
 394   shCp2Mo->DefineSection(12, z, 0., kCP2BulgeRo);
 395   z = kCP2Length / 2.;
 396   shCp2Mo->DefineSection(13, z, 0., kCP2BulgeRo);
 397
 398   TGeoVolume* voCp2Mo = new TGeoVolume("CP2MO", shCp2Mo, kMedAir);
 399   //FM voCp2Mo->SetVisibility(0);
 400   //
 401   // CP/1 Vacuum
 402   TGeoTube*   shCp2Va = new TGeoTube(0., kCP2StRi, (kCP2Length - kCP2FixedFlangeRecessLengths[0])/2.);
 403   TGeoVolume* voCp2Va = new TGeoVolume("CP2VA", shCp2Va, kMedVac);
 404
 405   //FM voCp2Mo->AddNode(voCp2Va, 1, new TGeoTranslation(0., 0., kCP2FixedFlangeRecessLengths[0]/2.));
 406
 407   /////////////////////////////////////////////
 408   //  CP/2 Fixed Flange [Pos 6]              //
 409   /////////////////////////////////////////////
 410
 411   TGeoPcon* shCp2Fl = new TGeoPcon(0., 360., 6);
 412   z = - kCP2FixedFlangeLength / 2.;
 413   shCp2Fl->DefineSection(0, z, kCP2FixedFlangeRi,      kCP2FixedFlangeRo);
 414   z +=  kCP2FixedFlangeRecessLengths[0];
 415   shCp2Fl->DefineSection(1, z, kCP2FixedFlangeRi,      kCP2FixedFlangeRo);
 416   shCp2Fl->DefineSection(2, z, kCP2FixedFlangeBulgeRi, kCP2FixedFlangeRo);
 417   z +=  kCP2FixedFlangeRecessLengths[1];
 418   shCp2Fl->DefineSection(3, z, kCP2FixedFlangeBulgeRi, kCP2FixedFlangeRo);
 419   shCp2Fl->DefineSection(4, z, kCP2FixedFlangeRi,      kCP2FixedFlangeRo);
 420   z = kCP2FixedFlangeLength / 2.;
 421   shCp2Fl->DefineSection(5, z, kCP2FixedFlangeRi,      kCP2FixedFlangeRo);
 422   TGeoVolume* voCp2Fl = new TGeoVolume("CP2FL", shCp2Fl, kMedSteel);
 423   //
 424   dz =  - kCP2Length / 2. +  kCP2FixedFlangeLength / 2.;
 425   //FM voCp2Mo->AddNode(voCp2Fl, 1, new TGeoTranslation(0., 0., dz));
 426
 427
 428   /////////////////////////////////////////////////////////////
 429   //  CP/2 Beam pipe with fixed point and transition bulges  //
 430   /////////////////////////////////////////////////////////////
 431   TGeoPcon* shCp2Pi = new TGeoPcon(0., 360., 10);
 432   //  Bulge at transition to flange
 433   z =  - (kCP2Length -  kCP2FixedFlangeRecessLengths[0] - kCP2FixedFlangeRecessLengths[1]) / 2.;
 434   z0 = z;
 435   shCp2Pi->DefineSection(0, z, kCP2StRi, kCP2FixedFlangeBulgeRo);
 436   z += kCP2FixedFlangeBulgeLength;
 437   shCp2Pi->DefineSection(1, z, kCP2StRi, kCP2FixedFlangeBulgeRo);
 438   //  Straight section between Bulge and Fixed Point
 439   shCp2Pi->DefineSection(2, z, kCP2StRi, kCP2StRo);
 440   z  += (kCP2FixedPointZ - kCP2FixedPointLength / 2. - kCP2FixedFlangeRecessLengths[0]
 441          - kCP2FixedFlangeRecessLengths[1] -
 442          kCP2FixedFlangeBulgeLength);
 443   shCp2Pi->DefineSection(3, z, kCP2StRi, kCP2StRo);
 444   //  Fixed Point
 445   shCp2Pi->DefineSection(4, z, kCP2StRi, kCP2FixedPointRo);
 446   z +=  kCP2FixedPointLength;
 447   shCp2Pi->DefineSection(5, z, kCP2StRi, kCP2FixedPointRo);
 448   //  Straight section between Fixed Point and transition bulge
 449   shCp2Pi->DefineSection(6, z, kCP2StRi, kCP2StRo);
 450   z = - shCp2Pi->GetZ(0) - kCP2BulgeLength;
 451   shCp2Pi->DefineSection(7, z, kCP2StRi, kCP2StRo);
 452   //  Bulge at transition to Be pipe
 453   shCp2Pi->DefineSection(8, z, kCP2StRi, kCP2BulgeRo);
 454   z = - shCp2Pi->GetZ(0);
 455   shCp2Pi->DefineSection(9, z, kCP2StRi, kCP2BulgeRo);
 456
 457   TGeoVolume* voCp2Pi = new TGeoVolume("CP2PI", shCp2Pi, kMedSteel);
 458   dz = (kCP2FixedFlangeRecessLengths[0] + kCP2FixedFlangeRecessLengths[1]) / 2.;
 459   //FM voCp2Mo->AddNode(voCp2Pi, 1, new TGeoTranslation(0., 0., dz));
 460
 461   //
 462   //  Central beam pipe support collars
 463   //  LHCVC2C_0019
 464   //  Position at z = -46., 40., 150.
 465   TGeoVolume* voCpSupC = new TGeoVolume("CpSupC", new TGeoTube(3.051, 4.00, 0.35), kMedAco);
 466   //voCp1->AddNode(voCpSupC, 1, new TGeoTranslation(0., 0.,  kCP1Length / 2. - 98.2));
 467   //voCp1->AddNode(voCpSupC, 2, new TGeoTranslation(0., 0.,  kCP1Length / 2.- 191.5));
 468
 469   //  Beam Pipe Protection Tube
 470   //
 471   //  ALIFWDA_0025
 472   //
 473   //  Plaque de Centrage  ALIFWDA_0019
 474   const Float_t kFwdaBPPTXL = 3.;
 475   TGeoXtru* shFwdaBPPTX = new TGeoXtru(2);
 476   Double_t xBPPTX[8] = {12.5,  7.5, -7.5, -12.5, -12.5,  -7.5,   7.5, 12.5};
 477   Double_t yBPPTX[8] = { 7.0, 12.0, 12.0,  7.0, -7.0, -12.0, -12.0,  -7.0};
 478   shFwdaBPPTX->DefinePolygon(8, xBPPTX, yBPPTX);
 479   shFwdaBPPTX->DefineSection(0, 0.,         0., 0., 1.);
 480   shFwdaBPPTX->DefineSection(1, kFwdaBPPTXL, 0., 0., 1.);
 481   shFwdaBPPTX->SetName("FwdaBPPTX");
 482   TGeoTube* shFwdaBPPTY = new TGeoTube(0., 8.5, 3.2);
 483   shFwdaBPPTY->SetName("FwdaBPPTY");
 484   TGeoCompositeShape*  shFwdaBPPTPC = new TGeoCompositeShape("shFwdaBPPTPC", "FwdaBPPTX-FwdaBPPTY");
 485   TGeoVolume* voFwdaBPPTPC =  new TGeoVolume("FwdaBPPTPC", shFwdaBPPTPC, kMedAco);
 486   //
 487   //  Tube  ALIFWDA_0020
 488   //    const Float_t kFwdaBPPTTL = 48.;
 489   const Float_t kFwdaBPPTTL = 35.;
 490   TGeoVolume* voFwdaBPPTT =  new TGeoVolume("FwdaBPPTT", new TGeoTube(8.85, 9.0, kFwdaBPPTTL/2.), kMedAco);
 491   TGeoVolumeAssembly* voFwdaBPPT = new TGeoVolumeAssembly("FwdaBPPT");
 492   voFwdaBPPT->AddNode(voFwdaBPPTPC, 1, gGeoIdentity);
 493   voFwdaBPPT->AddNode(voFwdaBPPTT,  1, new TGeoTranslation(0., 0., kFwdaBPPTTL/2. + kFwdaBPPTXL));
 494
 495
 496   //  BeamPipe and T0A Support
 497   //
 498   //  ALIFWDA_0033
 499   //
 500   //  Support  Plate ALIFWDA_0026
 501   const Float_t kFwdaBPSPL = 4.0;
 502   TGeoXtru* shFwdaBPSPX = new TGeoXtru(2);
 503   Double_t xBPSPX[8] = {10.0,  6.0 , -6.0, -10.0, -10.0,  -6.0,   6.0, 10.0};
 504   Double_t yBPSPX[8] = { 6.0, 10.0,  10.0,   6.0, - 6.0, -10.0, -10.0, -6.0};
 505   shFwdaBPSPX->DefinePolygon(8, xBPSPX, yBPSPX);
 506   shFwdaBPSPX->DefineSection(0, 0.,         0., 0., 1.);
 507   shFwdaBPSPX->DefineSection(1, kFwdaBPSPL, 0., 0., 1.);
 508   shFwdaBPSPX->SetName("FwdaBPSPX");
 509   TGeoPcon* shFwdaBPSPY = new TGeoPcon(0., 360., 6);
 510   shFwdaBPSPY->DefineSection(0, -1.00, 0., 5.5);
 511   shFwdaBPSPY->DefineSection(1,  3.50, 0., 5.5);
 512   shFwdaBPSPY->DefineSection(2,  3.50, 0., 5.0);
 513   shFwdaBPSPY->DefineSection(3,  3.86, 0., 5.0);
 514   shFwdaBPSPY->DefineSection(4,  3.86, 0., 5.5);
 515   shFwdaBPSPY->DefineSection(5,  5.00, 0., 5.5);
 516   shFwdaBPSPY->SetName("FwdaBPSPY");
 517   TGeoCompositeShape*  shFwdaBPSP = new TGeoCompositeShape("shFwdaBPSP", "FwdaBPSPX-FwdaBPSPY");
 518   TGeoVolume* voFwdaBPSP =  new TGeoVolume("FwdaBPSP", shFwdaBPSP, kMedAco);
 519   //
 520   //  Flasque  ALIFWDA_00027
 521
 522
 523   const Float_t kFwdaBPSTTRi  =  7.6/2.;
 524   const Float_t kFwdaBPSTTRo1 = 13.9/2.;
 525   const Float_t kFwdaBPSTTRo2 =  8.2/2.;
 526   const Float_t kFwdaBPSTTRo3 =  9.4/2.;
 527
 528   TGeoPcon* shFwdaBPSFL = new TGeoPcon(0., 360., 8);
 529   z = 0.,
 530     shFwdaBPSFL->DefineSection(0, z, kFwdaBPSTTRi, kFwdaBPSTTRo1);
 531   z += 0.64;
 532   shFwdaBPSFL->DefineSection(1, z, kFwdaBPSTTRi, kFwdaBPSTTRo1);
 533   shFwdaBPSFL->DefineSection(2, z, kFwdaBPSTTRi, kFwdaBPSTTRo2);
 534   z += 2.55;
 535   shFwdaBPSFL->DefineSection(3, z, kFwdaBPSTTRi, kFwdaBPSTTRo2);
 536   shFwdaBPSFL->DefineSection(4, z, kFwdaBPSTTRi, kFwdaBPSTTRo3);
 537   z += 0.4;
 538   shFwdaBPSFL->DefineSection(5, z, kFwdaBPSTTRi, kFwdaBPSTTRo3);
 539   shFwdaBPSFL->DefineSection(6, z, kFwdaBPSTTRi, kFwdaBPSTTRo2);
 540   z += 1.2;
 541   shFwdaBPSFL->DefineSection(7, z, kFwdaBPSTTRi, kFwdaBPSTTRo2);
 542
 543   TGeoVolume* voFwdaBPSFL =  new TGeoVolume("FwdaBPSFL", shFwdaBPSFL, kMedAco);
 544
 545
 546   //
 547   // Cable support
 548   TGeoBBox* shFwdaBPSCSa = new TGeoBBox(3.0, 8.75, 0.5);
 549   shFwdaBPSCSa->SetName("FwdaBPSCSa");
 550   TGeoBBox* shFwdaBPSCSb = new TGeoBBox(1.25, 4.00, 1.0);
 551   shFwdaBPSCSb->SetName("FwdaBPSCSb");
 552   TGeoTranslation* tFwdaBPSCSb = new TGeoTranslation(0., 5.25 - 8.75, 0.);
 553   tFwdaBPSCSb->SetName("tFwdaBPSCSb");
 554   tFwdaBPSCSb->RegisterYourself();
 555   TGeoBBox* shFwdaBPSCSc = new TGeoBBox(3.0, 0.50, 0.70);
 556   shFwdaBPSCSc->SetName("FwdaBPSCSc");
 557   TGeoTranslation* tFwdaBPSCSc = new TGeoTranslation(0., 0.5 - 8.75, 1.2);
 558   tFwdaBPSCSc->SetName("tFwdaBPSCSc");
 559   tFwdaBPSCSc->RegisterYourself();
 560   TGeoCompositeShape* shFwdaBPSCS = new TGeoCompositeShape("shFwdaBPSCS", "(FwdaBPSCSa-FwdaBPSCSb:tFwdaBPSCSb)+FwdaBPSCSc:tFwdaBPSCSc");
 561   TGeoVolume* voFwdaBPSCS = new TGeoVolume("FwdaBPSCS", shFwdaBPSCS, kMedAco);
 562
 563
 564   // Assembling the beam pipe support
 565   TGeoVolumeAssembly* voFwdaBPS = new TGeoVolumeAssembly("FwdaBPS");
 566   voFwdaBPS->AddNode(voFwdaBPSP,   1,  new TGeoCombiTrans(0., 0., 0., rot045));
 567   voFwdaBPS->AddNode(voFwdaBPSFL,  1,  new TGeoTranslation(0., 0., kFwdaBPSPL));
 568   const Float_t kFwdaBPSCSdy = 18.75/TMath::Sqrt(2.);
 569
 570   voFwdaBPS->AddNode(voFwdaBPSCS,  1,  new TGeoCombiTrans(- kFwdaBPSCSdy,   kFwdaBPSCSdy, 2., rot045));
 571   voFwdaBPS->AddNode(voFwdaBPSCS,  2,  new TGeoCombiTrans(- kFwdaBPSCSdy, - kFwdaBPSCSdy, 2., rot135));
 572   voFwdaBPS->AddNode(voFwdaBPSCS,  3,  new TGeoCombiTrans(  kFwdaBPSCSdy, - kFwdaBPSCSdy, 2., rot225));
 573   voFwdaBPS->AddNode(voFwdaBPSCS,  4,  new TGeoCombiTrans(  kFwdaBPSCSdy,   kFwdaBPSCSdy, 2., rot315));
 574
 575   TGeoVolumeAssembly* voCp2 = new TGeoVolumeAssembly("CP2");
 576   //FM voCp2->AddNode(voCp2Mo, 1, gGeoIdentity);
 577   //FM voCp2->AddNode(voFwdaBPPT, 1, new TGeoTranslation(0., 0., -kCP2Length / 2. + 13.8));
 578   //FM voCp2->AddNode(voFwdaBPS,  1, new TGeoTranslation(0., 0., -kCP2Length / 2. +  5.1));
 579
 580   */
 581
 582   /*
 583
 584   //
 585   ///////////////////
 586   //      CP/3     //
 587   ///////////////////
 588   //
 589   // Adaptor tube [Pos 4]
 590   //
 591   // Adaptor tube length
 592   const Float_t  kCP3AdaptorTubeLength            =  5.50;
 593   //
 594   // Inner and outer radii
 595   const Float_t kCP3AdaptorTubeRi                =  2.92;
 596   const Float_t kCP3AdaptorTubeRo                =  3.00;
 597   //
 598   // Bulge at transition point
 599   // Inner and outer radii
 600   const Float_t kCP3AdaptorTubeBulgeRi           =  2.90;
 601   const Float_t kCP3AdaptorTubeBulgeRo           =  3.05;
 602   //
 603   // Length of bulge
 604   const Float_t  kCP3AdaptorTubeBulgeLength       =  0.80;
 605   //
 606   // Bellow [Pos 8]
 607   //
 608   //  Total length
 609   const Float_t kCP3BellowLength                  = 13.00;
 610   //  Outer Radius
 611   const Float_t kCP3BellowRo                      =  3.6;
 612   //  Inner Radius
 613   const Float_t kCP3BellowRi                      =  2.8;
 614   //  Number of plies
 615   const Int_t   kCP3NumberOfPlies                 = 18;
 616   //  Length of undulated region
 617   const Float_t kCP3BellowUndulatedLength         =  8.30;
 618   //  Plie thickness
 619   const Float_t kCP3PlieThickness                 =  0.02;
 620   //  Connection Plie radies (at transition been undulated region and beam pipe)
 621   const Float_t kCP3ConnectionPlieR               =  0.21;
 622   //  Plie radius
 623   //  const Float_t kCP3PlieR = 0.118286;
 624   const Float_t kCP3PlieR =
 625     (kCP3BellowUndulatedLength - 4. *  kCP3ConnectionPlieR + 2. * kCP3PlieThickness +
 626      (2. *  kCP3NumberOfPlies - 2.) * kCP3PlieThickness) / (4. * kCP3NumberOfPlies - 2.);
 627   //  Length of connection pipe
 628   const Float_t kCP3BellowConnectionLength        =  2.35;
 629   //
 630   //  Tube between bellows [Pos 3]
 631   //
 632   //  Length of tube
 633   const Float_t kCP3TubeLength                    =  4.00;
 634   //
 635   //  Minimised fixed flange [Pos 7]
 636   //
 637   //  Length of flange connection tube
 638   const Float_t kCP3FlangeConnectorLength         =  5.0 - 1.4;
 639   //  Length of Flange
 640   const Float_t kCP3FlangeLength                  =  1.40;
 641   //  Outer radius
 642   const Float_t kCP3FlangeRo                      =  4.30-1.;  // -1 ?? FM
 643
 644   //
 645   // CP/3 Mother volume
 646   //
 647   TGeoPcon* shCp3Mo = new TGeoPcon(0., 360., 12);
 648   //  From transition to first bellow
 649   z = - kCP3Length / 2.;
 650   shCp3Mo->DefineSection( 0, z, 0., kCP3AdaptorTubeBulgeRo);
 651   z += kCP3BellowConnectionLength + kCP3AdaptorTubeLength;
 652   shCp3Mo->DefineSection( 1, z, 0., kCP3AdaptorTubeBulgeRo);
 653   //  First Bellow
 654   shCp3Mo->DefineSection( 2, z, 0., kCP3BellowRo);
 655   z +=  kCP3BellowUndulatedLength;
 656   shCp3Mo->DefineSection( 3, z, 0., kCP3BellowRo);
 657   //  Connection between the two bellows
 658   shCp3Mo->DefineSection( 4, z, 0., kCP3AdaptorTubeBulgeRo);
 659   z +=  2. * kCP3BellowConnectionLength + kCP3TubeLength;
 660   shCp3Mo->DefineSection( 5, z, 0., kCP3AdaptorTubeBulgeRo);
 661   //  Second bellow
 662   shCp3Mo->DefineSection( 6, z, 0., kCP3BellowRo);
 663   z += kCP3BellowUndulatedLength;
 664   shCp3Mo->DefineSection( 7, z, 0., kCP3BellowRo);
 665   //  Pipe between second Bellow and Flange
 666   shCp3Mo->DefineSection( 8, z, 0., kCP3AdaptorTubeBulgeRo);
 667   z +=  kCP3BellowConnectionLength +  kCP3FlangeConnectorLength;
 668   shCp3Mo->DefineSection( 9, z, 0., kCP3AdaptorTubeBulgeRo);
 669   //  Flange
 670   shCp3Mo->DefineSection(10, z, 0., kCP3FlangeRo);
 671   z = -shCp3Mo->GetZ(0);
 672   shCp3Mo->DefineSection(11, z, 0., kCP3FlangeRo);
 673   //
 674   TGeoVolume* voCp3Mo = new TGeoVolume("CP3MO", shCp3Mo, kMedAir);
 675   voCp3Mo->SetVisibility(0);
 676   TGeoVolumeAssembly* voCp3 = new TGeoVolumeAssembly("Cp3");
 677   voCp3->AddNode(voCp3Mo,  1, gGeoIdentity);
 678   voCp3->AddNode(voCpSupC, 3, new TGeoTranslation(0., 0., - kCP3Length / 2. + 4.6));
 679   dz = kCP3pos;
 680
 681   //////////////////////////////////////////////
 682   // CP/3 Adaptor tube                        //
 683   //////////////////////////////////////////////
 684   TGeoPcon* shCp3AtV = new TGeoPcon(0., 360., 4);
 685   //  Bulge at transition
 686   z =  - kCP3AdaptorTubeLength / 2.;
 687   shCp3AtV->DefineSection(0, z, 0., kCP3AdaptorTubeBulgeRo);
 688   z += kCP3AdaptorTubeBulgeLength;
 689   shCp3AtV->DefineSection(1, z, 0., kCP3AdaptorTubeBulgeRo);
 690   //  Tube
 691   shCp3AtV->DefineSection(2, z, 0., kCP3AdaptorTubeRo);
 692   z =  + kCP3AdaptorTubeLength / 2.;
 693   shCp3AtV->DefineSection(3, z, 0., kCP3AdaptorTubeRo);
 694
 695   TGeoVolume* voCp3AtV = new TGeoVolume("CP3ATV", shCp3AtV, kMedVac);
 696
 697   TGeoPcon* shCp3AtS = new TGeoPcon(0., 360., 4);
 698   //  Bulge at transition
 699   shCp3AtS->DefineSection(0, shCp3AtV->GetZ(0), kCP3AdaptorTubeBulgeRi, kCP3AdaptorTubeBulgeRo);
 700   shCp3AtS->DefineSection(1, shCp3AtV->GetZ(1), kCP3AdaptorTubeBulgeRi, kCP3AdaptorTubeBulgeRo);
 701   //  Tube
 702   shCp3AtS->DefineSection(2, shCp3AtV->GetZ(2), kCP3AdaptorTubeRi,      kCP3AdaptorTubeRo);
 703   shCp3AtS->DefineSection(3, shCp3AtV->GetZ(3), kCP3AdaptorTubeRi ,     kCP3AdaptorTubeRo);
 704   TGeoVolume* voCp3AtS = new TGeoVolume("CP3ATS", shCp3AtS, kMedSteel);
 705
 706   voCp3AtV->AddNode(voCp3AtS, 1, gGeoIdentity);
 707   dz = - kCP3Length / 2. +  kCP3AdaptorTubeLength / 2.;
 708   //FM voCp3Mo->AddNode(voCp3AtV, 1, new TGeoTranslation(0., 0., dz));
 709
 710   /////////////////////////////////
 711   // CP/3 Bellow section         //
 712   /////////////////////////////////
 713
 714   //
 715   //  Upper part of the undulation
 716   TGeoTorus* plieTorusUO =  new TGeoTorus(kCP3BellowRo - kCP3PlieR, 0. , kCP3PlieR);
 717   plieTorusUO->SetName("TorusUO");
 718   TGeoTorus* plieTorusUI =  new TGeoTorus(kCP3BellowRo - kCP3PlieR, kCP3PlieR - kCP3PlieThickness, kCP3PlieR);
 719   plieTorusUI->SetName("TorusUI");
 720   TGeoTube*  plieTubeU   =  new TGeoTube (kCP3BellowRo - kCP3PlieR, kCP3BellowRo, kCP3PlieR);
 721   plieTubeU->SetName("TubeU");
 722
 723   TGeoCompositeShape*  shUpperPlieO = new TGeoCompositeShape("upperPlieO", "TorusUO*TubeU");
 724   TGeoCompositeShape*  shUpperPlieI = new TGeoCompositeShape("upperPlieI", "TorusUI*TubeU");
 725
 726   TGeoVolume* voWiggleUO = new TGeoVolume("CP3WUO", shUpperPlieO, kMedVac);
 727   TGeoVolume* voWiggleUI = new TGeoVolume("CP3WUI", shUpperPlieI, kMedSteel);
 728   voWiggleUO->AddNode(voWiggleUI, 1,  gGeoIdentity);
 729   //
 730   // Lower part of the undulation
 731   TGeoTorus* plieTorusLO =  new TGeoTorus(kCP3BellowRi + kCP3PlieR, 0. , kCP3PlieR);
 732   plieTorusLO->SetName("TorusLO");
 733   TGeoTorus* plieTorusLI =  new TGeoTorus(kCP3BellowRi + kCP3PlieR, kCP3PlieR - kCP3PlieThickness, kCP3PlieR);
 734   plieTorusLI->SetName("TorusLI");
 735   TGeoTube*  plieTubeL   =  new TGeoTube (kCP3BellowRi, kCP3BellowRi + kCP3PlieR, kCP3PlieR);
 736   plieTubeL->SetName("TubeL");
 737
 738   TGeoCompositeShape*  shLowerPlieO = new TGeoCompositeShape("lowerPlieO", "TorusLO*TubeL");
 739   TGeoCompositeShape*  shLowerPlieI = new TGeoCompositeShape("lowerPlieI", "TorusLI*TubeL");
 740
 741   TGeoVolume* voWiggleLO = new TGeoVolume("CP3WLO", shLowerPlieO, kMedVac);
 742   TGeoVolume* voWiggleLI = new TGeoVolume("CP3WLI", shLowerPlieI, kMedSteel);
 743   voWiggleLO->AddNode(voWiggleLI, 1,  gGeoIdentity);
 744
 745   //
 746   // Connection between upper and lower part of undulation
 747   TGeoVolume* voWiggleC1 = new TGeoVolume("Q3WCO1",
 748                                           new TGeoTube(kCP3BellowRi + kCP3PlieR, kCP3BellowRo - kCP3PlieR, kCP3PlieThickness / 2.),
 749                                           kMedSteel);
 750   TGeoVolume* voWiggleC2 = new TGeoVolume("Q3WCO2",
 751                                           new TGeoTube(kCP3BellowRi + kCP3ConnectionPlieR, kCP3BellowRo - kCP3PlieR, kCP3PlieThickness / 2.),
 752                                           kMedSteel);
 753   //
 754   // Conncetion between undulated section and beam pipe
 755   TGeoTorus* plieTorusCO =  new TGeoTorus(kCP3BellowRi + kCP3ConnectionPlieR, 0. , kCP3ConnectionPlieR);
 756   plieTorusCO->SetName("TorusCO");
 757   TGeoTorus* plieTorusCI =  new TGeoTorus(kCP3BellowRi + kCP3ConnectionPlieR, kCP3ConnectionPlieR - kCP3PlieThickness, kCP3ConnectionPlieR);
 758   plieTorusCI->SetName("TorusCI");
 759   TGeoTube*  plieTubeC   =  new TGeoTube (kCP3BellowRi, kCP3BellowRi + kCP3ConnectionPlieR, kCP3ConnectionPlieR);
 760   plieTubeC->SetName("TubeC");
 761
 762   TGeoCompositeShape*  shConnectionPlieO = new TGeoCompositeShape("connectionPlieO", "TorusCO*TubeC");
 763   TGeoCompositeShape*  shConnectionPlieI = new TGeoCompositeShape("connectionPlieI", "TorusCI*TubeC");
 764
 765   TGeoVolume* voConnectionPO = new TGeoVolume("CP3CPO", shConnectionPlieO, kMedVac);
 766   TGeoVolume* voConnectionPI = new TGeoVolume("CP3CPI", shConnectionPlieI, kMedSteel);
 767   voConnectionPO->AddNode(voConnectionPI, 1,  gGeoIdentity);
 768   //
 769   // Connecting pipes
 770   TGeoVolume* voConnectionPipeO = new TGeoVolume("CP3BECO",
 771                                                  new TGeoTube(0., kCP3AdaptorTubeRo, kCP3BellowConnectionLength / 2.),
 772                                                  kMedVac);
 773   TGeoVolume* voConnectionPipeI = new TGeoVolume("CP3BECI",
 774                                                  new TGeoTube(kCP3AdaptorTubeRi, kCP3AdaptorTubeRo, kCP3BellowConnectionLength / 2.),
 775                                                  kMedSteel);
 776
 777   voConnectionPipeO->AddNode(voConnectionPipeI, 1,  gGeoIdentity);
 778
 779   //
 780   // Bellow mother
 781   TGeoPcon* shBellowMotherPC = new TGeoPcon(0., 360., 6);
 782   dz =  - kCP3BellowLength / 2;
 783   shBellowMotherPC->DefineSection(0, dz, 0.,  kCP3AdaptorTubeRo);
 784   dz +=  kCP3BellowConnectionLength;
 785   shBellowMotherPC->DefineSection(1, dz, 0.,  kCP3AdaptorTubeRo);
 786   shBellowMotherPC->DefineSection(2, dz, 0.,  kCP3BellowRo);
 787   dz =  kCP3BellowLength /2. -  kCP3BellowConnectionLength;;
 788   shBellowMotherPC->DefineSection(3, dz, 0.,  kCP3BellowRo);
 789   shBellowMotherPC->DefineSection(4, dz, 0.,  kCP3AdaptorTubeRo);
 790   dz +=  kCP3BellowConnectionLength;
 791   shBellowMotherPC->DefineSection(5, dz, 0.,  kCP3AdaptorTubeRo);
 792
 793   TGeoVolume* voBellowMother = new TGeoVolume("CP3BeMO", shBellowMotherPC, kMedVac);
 794   voBellowMother->SetVisibility(0);
 795
 796   //
 797   // Add undulations
 798   z0   =  - kCP3BellowLength / 2. +  kCP3BellowConnectionLength + 2. * kCP3ConnectionPlieR - kCP3PlieThickness;
 799   zsh  = 4. *  kCP3PlieR -  2. * kCP3PlieThickness;
 800   for (Int_t iw = 0; iw < 18; iw++) {
 801     Float_t zpos =  z0 + iw * zsh;
 802     if (iw > 0)
 803       voBellowMother->AddNode(voWiggleC1,  iw + 1 , new TGeoTranslation(0., 0., zpos + kCP3PlieThickness / 2.));
 804     else
 805       voBellowMother->AddNode(voWiggleC2,  iw + 1 , new TGeoTranslation(0., 0., zpos + kCP3PlieThickness / 2.));
 806
 807     zpos += kCP3PlieR;
 808     voBellowMother->AddNode(voWiggleUO, iw + 1,  new TGeoTranslation(0., 0., zpos));
 809
 810     zpos += kCP3PlieR;
 811     if (iw < 17)
 812       voBellowMother->AddNode(voWiggleC1,  iw + 19, new TGeoTranslation(0., 0., zpos - kCP3PlieThickness / 2.));
 813     else
 814       voBellowMother->AddNode(voWiggleC2,  iw + 19, new TGeoTranslation(0., 0., zpos - kCP3PlieThickness / 2.));
 815
 816     if (iw < 17) {
 817       zpos += kCP3PlieR;
 818       voBellowMother->AddNode(voWiggleLO, iw + 1, new TGeoTranslation(0., 0., zpos -  kCP3PlieThickness));
 819     }
 820   }
 821   //
 822   // Add connecting undulation between bellow and connecting pipe
 823   dz = - kCP3BellowUndulatedLength / 2. + kCP3ConnectionPlieR;
 824   voBellowMother->AddNode(voConnectionPO, 1,  new TGeoTranslation(0., 0.,  dz));
 825   voBellowMother->AddNode(voConnectionPO, 2,  new TGeoTranslation(0., 0., -dz));
 826   //
 827   // Add connecting pipe
 828   dz =  - kCP3BellowLength / 2. +  kCP3BellowConnectionLength / 2.;
 829   voBellowMother->AddNode(voConnectionPipeO, 1,  new TGeoTranslation(0., 0.,   dz));
 830   voBellowMother->AddNode(voConnectionPipeO, 2,  new TGeoTranslation(0., 0.,  -dz));
 831   //
 832   // Add bellow to CP/3 mother
 833   dz = - kCP3Length / 2. +  kCP3AdaptorTubeLength +  kCP3BellowLength / 2.;
 834   //FM voCp3Mo->AddNode(voBellowMother, 1,  new TGeoTranslation(0., 0., dz));
 835   dz += (kCP3BellowLength +  kCP3TubeLength);
 836   //FM voCp3Mo->AddNode(voBellowMother, 2,  new TGeoTranslation(0., 0., dz));
 837
 838
 839   ///////////////////////////////////////////
 840   // Beam pipe section between bellows     //
 841   ///////////////////////////////////////////
 842
 843   TGeoVolume* voCp3Bco = new TGeoVolume("CP3BCO",
 844                                         new TGeoTube(0.,  kCP3AdaptorTubeRo,  kCP3TubeLength / 2.),
 845                                         kMedVac);
 846
 847   TGeoVolume* voCp3Bci = new TGeoVolume("CP3BCI",
 848                                         new TGeoTube(kCP3AdaptorTubeRi, kCP3AdaptorTubeRo, kCP3TubeLength / 2.),
 849                                         kMedSteel);
 850
 851   voCp3Bco->AddNode(voCp3Bci, 1, gGeoIdentity);
 852   dz = - kCP3Length / 2. +   kCP3AdaptorTubeLength +  kCP3BellowLength +  kCP3TubeLength / 2.;
 853   //FM voCp3Mo->AddNode(voCp3Bco, 1, new TGeoTranslation(0., 0., dz));
 854
 855
 856   ///////////////////////////////////////////
 857   // CP3 Minimised Flange                  //
 858   ///////////////////////////////////////////
 859
 860   TGeoPcon* shCp3mfo = new TGeoPcon(0., 360., 4);
 861   z = - (kCP3FlangeConnectorLength + kCP3FlangeLength) / 2.;
 862   //  Connection Tube
 863   shCp3mfo->DefineSection(0, z, 0., kCP3AdaptorTubeRo);
 864   z +=  kCP3FlangeConnectorLength;
 865   shCp3mfo->DefineSection(1, z, 0., kCP3AdaptorTubeRo);
 866   //  Flange
 867   shCp3mfo->DefineSection(2, z, 0., kCP3FlangeRo);
 868   z = - shCp3mfo->GetZ(0);
 869   shCp3mfo->DefineSection(3, z, 0., kCP3FlangeRo);
 870
 871   TGeoVolume* voCp3mfo = new TGeoVolume("CP3MFO", shCp3mfo, kMedVac);
 872
 873
 874   TGeoPcon* shCp3mfi = new TGeoPcon(0., 360., 4);
 875   //  Connection Tube
 876   shCp3mfi->DefineSection(0, shCp3mfo->GetZ(0), kCP3AdaptorTubeRi, kCP3AdaptorTubeRo);
 877   shCp3mfi->DefineSection(1, shCp3mfo->GetZ(1), kCP3AdaptorTubeRi, kCP3AdaptorTubeRo);
 878   //  Flange
 879   shCp3mfi->DefineSection(2, shCp3mfo->GetZ(2), kCP3AdaptorTubeRi, kCP3FlangeRo);
 880   shCp3mfi->DefineSection(3, shCp3mfo->GetZ(3), kCP3AdaptorTubeRi, kCP3FlangeRo);
 881
 882   TGeoVolume* voCp3mfi = new TGeoVolume("CP3MFI", shCp3mfi, kMedSteel);
 883
 884   voCp3mfo->AddNode(voCp3mfi, 1, gGeoIdentity);
 885   dz =  kCP3Length / 2. - (kCP3FlangeConnectorLength + kCP3FlangeLength) / 2.;
 886   //FM voCp3Mo->AddNode(voCp3mfo, 1, new TGeoTranslation(0., 0., dz));
 887
 888   */
 889
 890
 891   /*
 892   //
 893   //  Assemble the central beam pipe
 894   //
 895   TGeoVolumeAssembly* asCP = new TGeoVolumeAssembly("CP");
 896   z = 0.;
 897   // asCP->AddNode(voCp2,   1, gGeoIdentity);
 898   z +=  kCP2Length / 2. + kCP1Length / 2.;
 899   //asCP->AddNode(voCp1, 1, new TGeoTranslation(0., 0., z));
 900
 901   asCP->AddNode(voCp1, 1, new TGeoTranslation(0., 0., 0.));
 902
 903   z +=  kCP1Length / 2.  + kCP3Length / 2.;
 904   // asCP->AddNode(voCp3, 1, new TGeoTranslation(0., 0., z));
 905   top->AddNode(asCP, 1,  new TGeoCombiTrans(0., 0., 400. -  kCP2Length / 2, rot180));
 906
 907   */
 908
 909
 910   ////////////////////////////////////////////////////////////////////////////////
 911   //                                                                            //
 912   //                                  RB24/1                                    //
 913   //                                                                            //
 914   ////////////////////////////////////////////////////////////////////////////////
 915   //
 916   //
 917   // Drawing LHCVC2U_0001
 918   // Copper Tube RB24/1      393.5 cm
 919   // Warm module VMACA        18.0 cm
 920   // Annular Ion Pump         35.0 cm
 921   // Valve                     7.5 cm
 922   // Warm module VMABC        28.0 cm
 923   // ================================
 924   //                         462.0 cm
 925   //
 926
 927
 928   // Copper Tube RB24/1
 929   const Float_t  kRB24CuTubeL   = 393.5;
 930   const Float_t  kRB24CuTubeRi  = 8.0/2.;
 931   const Float_t  kRB24CuTubeRo  = 8.4/2.;
 932   const Float_t  kRB24CuTubeFRo = 7.6;
 933   const Float_t  kRB24CuTubeFL  = 1.86;
 934
 935   TGeoVolume* voRB24CuTubeM = new TGeoVolume("voRB24CuTubeM",
 936                                              new TGeoTube(0., kRB24CuTubeRo, kRB24CuTubeL/2.), kMedVac);
 937   voRB24CuTubeM->SetVisibility(0);
 938   TGeoVolume* voRB24CuTube  = new TGeoVolume("voRB24CuTube",
 939                                              new TGeoTube(kRB24CuTubeRi, kRB24CuTubeRo, kRB24CuTubeL/2.), kMedCu);
 940   voRB24CuTubeM->AddNode(voRB24CuTube, 1, gGeoIdentity);
 941   // Air outside tube with higher transport cuts
 942   TGeoVolume* voRB24CuTubeA  = new TGeoVolume("voRB24CuTubeA",
 943                                               new TGeoTube(25., 100., kRB24CuTubeL/2.), kMedAirHigh);
 944   voRB24CuTubeA->SetVisibility(0);
 945   // Simplified DN 100 Flange
 946   TGeoVolume* voRB24CuTubeF = new TGeoVolume("voRB24CuTubeF",
 947                                              new TGeoTube(kRB24CuTubeRo, kRB24CuTubeFRo, kRB24CuTubeFL/2.), kMedSteel);
 948
 949   // Warm Module Type VMACA
 950   // LHCVMACA_0002
 951   //
 952   // Pos 1 Warm Bellows DN100       LHCVBU__0012
 953   // Pos 2 RF Contact   D80         LHCVSR__0005
 954   // Pos 3 Trans. Tube Flange       LHCVSR__0065
 955   // [Pos 4 Hex. Countersunk Screw   Bossard BN4719]
 956   // [Pos 5 Tension spring           LHCVSR__0011]
 957   //
 958   //
 959   //
 960   // Pos1    Warm Bellows DN100
 961   // Pos1.1  Bellows                  LHCVBU__0006
 962   //
 963   //
 964   // Connection Tubes
 965   // Connection tube inner r
 966   const Float_t kRB24B1ConTubeRin        = 10.0/2.;
 967   // Connection tube outer r
 968   const Float_t kRB24B1ConTubeRou        = 10.3/2.;
 969   // Connection tube length
 970   const Float_t kRB24B1ConTubeL          =  2.5;
 971   //
 972   const Float_t kRB24B1CompL             = 16.00;    // Length of the compensator
 973   const Float_t kRB24B1BellowRi          = 10.25/2.; // Bellow inner radius
 974   const Float_t kRB24B1BellowRo          = 11.40/2.; // Bellow outer radius
 975   const Int_t   kRB24B1NumberOfPlies     = 27;       // Number of plies
 976   const Float_t kRB24B1BellowUndL        = 11.00;    // Length of undulated region
 977   const Float_t kRB24B1PlieThickness     =  0.015;   // Plie thickness
 978
 979   const Float_t kRB24B1PlieRadius =
 980     (kRB24B1BellowUndL + (2. *  kRB24B1NumberOfPlies - 2.) * kRB24B1PlieThickness) / (4. * kRB24B1NumberOfPlies);
 981
 982   const Float_t kRB24B1ProtTubeThickness = 0.02;     // Thickness of the protection tube
 983   const Float_t kRB24B1ProtTubeLength    = 4.2;      // Length of the protection tube
 984
 985   const Float_t kRB24B1RFlangeL          = 1.86;     // Length of the flanges
 986   const Float_t kRB24B1RFlangeLO         = 0.26;     // Flange overlap
 987   const Float_t kRB24B1RFlangeRO         = 11.18/2;  // Inner radius at Flange overlap
 988   const Float_t kRB24B1RFlangeRou        = 15.20/2.; // Outer radius of flange
 989   const Float_t kRB24B1RFlangeRecess     = 0.98;     // Flange recess
 990   const Float_t kRB24B1L                 = kRB24B1CompL +  2. * (kRB24B1RFlangeL - kRB24B1RFlangeRecess);
 991
 992   ///
 993   //
 994   // Bellow mother volume
 995   TGeoPcon* shRB24B1BellowM = new TGeoPcon(0., 360., 14);
 996   // Connection Tube and Flange
 997   z = 0.;
 998   shRB24B1BellowM->DefineSection( 0, z, 0.,               kRB24B1RFlangeRou);
 999   z += kRB24B1RFlangeLO;
1000   shRB24B1BellowM->DefineSection( 1, z, 0.,               kRB24B1RFlangeRou);
1001   shRB24B1BellowM->DefineSection( 2, z, 0.,               kRB24B1RFlangeRou);
1002   z = kRB24B1RFlangeL;
1003   shRB24B1BellowM->DefineSection( 3, z, 0.,               kRB24B1RFlangeRou);
1004   shRB24B1BellowM->DefineSection( 4, z, 0.,               kRB24B1ConTubeRou);
1005   z = kRB24B1ConTubeL +  kRB24B1RFlangeL - kRB24B1RFlangeRecess;
1006   shRB24B1BellowM->DefineSection( 5, z, 0.,               kRB24B1ConTubeRou);
1007   // Plie
1008   shRB24B1BellowM->DefineSection( 6, z, 0.,               kRB24B1BellowRo + kRB24B1ProtTubeThickness);
1009   z += kRB24B1BellowUndL;
1010   shRB24B1BellowM->DefineSection( 7, z, 0.,               kRB24B1BellowRo + kRB24B1ProtTubeThickness);
1011   shRB24B1BellowM->DefineSection( 8, z, 0.,               kRB24B1ConTubeRou);
1012   // Connection Tube and Flange
1013   z = kRB24B1L - shRB24B1BellowM->GetZ(3);
1014   shRB24B1BellowM->DefineSection( 9, z, 0.,               kRB24B1ConTubeRou);
1015   shRB24B1BellowM->DefineSection(10, z, 0.,               kRB24B1RFlangeRou);
1016   z = kRB24B1L - shRB24B1BellowM->GetZ(1);
1017   shRB24B1BellowM->DefineSection(11, z, 0.,               kRB24B1RFlangeRou);
1018   shRB24B1BellowM->DefineSection(12, z, 0.,               kRB24B1RFlangeRou);
1019   z = kRB24B1L - shRB24B1BellowM->GetZ(0);
1020   shRB24B1BellowM->DefineSection(13, z, 0.,               kRB24B1RFlangeRou);
1021
1022   TGeoVolume* voRB24B1BellowM = new TGeoVolume("RB24B1BellowM", shRB24B1BellowM, kMedVac);
1023   voRB24B1BellowM->SetVisibility(0);
1024   //
1025   // Bellow Section
1026   TGeoVolume* voRB24B1Bellow
1027     = MakeBellow("RB24B1", kRB24B1NumberOfPlies, kRB24B1BellowRi, kRB24B1BellowRo,
1028                  kRB24B1BellowUndL, kRB24B1PlieRadius ,kRB24B1PlieThickness);
1029   voRB24B1Bellow->SetVisibility(0);
1030
1031   //
1032   // End Parts (connection tube)
1033   TGeoVolume* voRB24B1CT = new TGeoVolume("RB24B1CT", new TGeoTube(kRB24B1ConTubeRin, kRB24B1ConTubeRou,  kRB24B1ConTubeL/2.), kMedSteel);
1034   //
1035   // Protection Tube
1036   TGeoVolume* voRB24B1PT = new TGeoVolume("RB24B1PT", new TGeoTube(kRB24B1BellowRo, kRB24B1BellowRo + kRB24B1ProtTubeThickness,
1037                                                                    kRB24B1ProtTubeLength / 2.), kMedSteel);
1038
1039   z = kRB24B1ConTubeL/2. +  (kRB24B1RFlangeL - kRB24B1RFlangeRecess);
1040
1041   voRB24B1BellowM->AddNode(voRB24B1CT, 1, new TGeoTranslation(0., 0., z));
1042   z += (kRB24B1ConTubeL/2.+ kRB24B1BellowUndL/2.);
1043   voRB24B1BellowM->AddNode(voRB24B1Bellow, 1, new TGeoTranslation(0., 0., z));
1044   z += (kRB24B1BellowUndL/2. + kRB24B1ConTubeL/2);
1045   voRB24B1BellowM->AddNode(voRB24B1CT, 2, new TGeoTranslation(0., 0., z));
1046   z =  kRB24B1ConTubeL +  kRB24B1ProtTubeLength / 2. + 1. + kRB24B1RFlangeLO;
1047   voRB24B1BellowM->AddNode(voRB24B1PT, 1, new TGeoTranslation(0., 0., z));
1048   z +=  kRB24B1ProtTubeLength + 0.6;
1049   voRB24B1BellowM->AddNode(voRB24B1PT, 2, new TGeoTranslation(0., 0., z));
1050
1051
1052
1053   // Pos 1/2 Rotatable Flange         LHCVBU__0013
1054   // Pos 1/3 Flange DN100/103         LHCVBU__0018
1055   // The two flanges can be represented by the same volume
1056   // Outer Radius (including the outer movable ring).
1057   // The inner ring has a diameter of 12.04 cm
1058
1059
1060   TGeoPcon* shRB24B1RFlange = new TGeoPcon(0., 360., 10);
1061   z = 0.;
1062   shRB24B1RFlange->DefineSection(0, z, 10.30/2., kRB24B1RFlangeRou);
1063   z += 0.55;  // 5.5 mm added for outer ring
1064   z += 0.43;
1065   shRB24B1RFlange->DefineSection(1, z, 10.30/2., kRB24B1RFlangeRou);
1066   shRB24B1RFlange->DefineSection(2, z, 10.06/2., kRB24B1RFlangeRou);
1067   z += 0.15;
1068   shRB24B1RFlange->DefineSection(3, z, 10.06/2., kRB24B1RFlangeRou);
1069   // In reality this part is rounded
1070   shRB24B1RFlange->DefineSection(4, z, 10.91/2., kRB24B1RFlangeRou);
1071   z += 0.15;
1072   shRB24B1RFlange->DefineSection(5, z, 10.91/2., kRB24B1RFlangeRou);
1073   shRB24B1RFlange->DefineSection(6, z, 10.06/2., kRB24B1RFlangeRou);
1074   z += 0.32;
1075   shRB24B1RFlange->DefineSection(7, z, 10.06/2., kRB24B1RFlangeRou);
1076   shRB24B1RFlange->DefineSection(8, z, kRB24B1RFlangeRO, kRB24B1RFlangeRou);
1077   z += kRB24B1RFlangeLO;
1078   shRB24B1RFlange->DefineSection(9, z, kRB24B1RFlangeRO, kRB24B1RFlangeRou);
1079
1080   TGeoVolume* voRB24B1RFlange = new TGeoVolume("RB24B1RFlange", shRB24B1RFlange, kMedSteel);
1081
1082
1083   z = kRB24B1L - kRB24B1RFlangeL;
1084   voRB24B1BellowM->AddNode(voRB24B1RFlange, 1, new TGeoTranslation(0., 0., z));
1085   z = kRB24B1RFlangeL;
1086   voRB24B1BellowM->AddNode(voRB24B1RFlange, 2, new TGeoCombiTrans(0., 0., z, rot180));
1087   //
1088   // Pos 2 RF Contact   D80         LHCVSR__0005
1089   //
1090   // Pos 2.1 RF Contact Flange      LHCVSR__0003
1091   //
1092   TGeoPcon* shRB24B1RCTFlange = new TGeoPcon(0., 360., 6);
1093   const Float_t kRB24B1RCTFlangeRin  = 8.06/2. + 0.05;  // Inner radius
1094   const Float_t kRB24B1RCTFlangeL    = 1.45;            // Length
1095
1096   z = 0.;
1097   shRB24B1RCTFlange->DefineSection(0, z, kRB24B1RCTFlangeRin,  8.20/2.);
1098   z += 0.15;
1099   shRB24B1RCTFlange->DefineSection(1, z, kRB24B1RCTFlangeRin,  8.20/2.);
1100   shRB24B1RCTFlange->DefineSection(2, z, kRB24B1RCTFlangeRin,  8.60/2.);
1101   z += 1.05;
1102   shRB24B1RCTFlange->DefineSection(3, z, kRB24B1RCTFlangeRin,  8.60/2.);
1103   shRB24B1RCTFlange->DefineSection(4, z, kRB24B1RCTFlangeRin, 11.16/2.);
1104   z += 0.25;
1105   shRB24B1RCTFlange->DefineSection(5, z, kRB24B1RCTFlangeRin, 11.16/2.);
1106   TGeoVolume* voRB24B1RCTFlange = new TGeoVolume("RB24B1RCTFlange", shRB24B1RCTFlange, kMedCu);
1107   z = kRB24B1L - kRB24B1RCTFlangeL;
1108
1109   voRB24B1BellowM->AddNode(voRB24B1RCTFlange, 1, new TGeoTranslation(0., 0., z));
1110   //
1111   // Pos 2.2 RF-Contact        LHCVSR__0004
1112   //
1113   TGeoPcon* shRB24B1RCT = new TGeoPcon(0., 360., 3);
1114   const Float_t kRB24B1RCTRin  = 8.00/2.;        // Inner radius
1115   const Float_t kRB24B1RCTCRin = 8.99/2.;        // Max. inner radius conical section
1116   const Float_t kRB24B1RCTL    = 11.78;          // Length
1117   const Float_t kRB24B1RCTSL   = 10.48;          // Length of straight section
1118   const Float_t kRB24B1RCTd    =  0.03;          // Thickness
1119
1120   z = 0;
1121   shRB24B1RCT->DefineSection(0, z,  kRB24B1RCTCRin,  kRB24B1RCTCRin + kRB24B1RCTd);
1122   z =  kRB24B1RCTL -  kRB24B1RCTSL;
1123   // In the (VSR0004) this section is straight in (LHCVC2U_0001) it is conical ????
1124   shRB24B1RCT->DefineSection(1, z,  kRB24B1RCTRin + 0.35,  kRB24B1RCTRin + 0.35 + kRB24B1RCTd);
1125   z = kRB24B1RCTL - 0.03;
1126   shRB24B1RCT->DefineSection(2, z,  kRB24B1RCTRin,  kRB24B1RCTRin + kRB24B1RCTd);
1127
1128   TGeoVolume* voRB24B1RCT = new TGeoVolume("RB24B1RCT", shRB24B1RCT, kMedCu);
1129   z = kRB24B1L - kRB24B1RCTL - 0.45;
1130   voRB24B1BellowM->AddNode(voRB24B1RCT, 1, new TGeoTranslation(0., 0., z));
1131
1132   //
1133   // Pos 3 Trans. Tube Flange       LHCVSR__0065
1134   //
1135   // Pos 3.1 Transition Tube D53    LHCVSR__0064
1136   // Pos 3.2 Transition Flange      LHCVSR__0060
1137   // Pos 3.3 Transition Tube        LHCVSR__0058
1138   TGeoPcon* shRB24B1TTF = new TGeoPcon(0., 360., 7);
1139   // Flange
1140   z = 0.;
1141   shRB24B1TTF->DefineSection(0, z,  6.30/2., 11.16/2.);
1142   z += 0.25;
1143   shRB24B1TTF->DefineSection(1, z,  6.30/2., 11.16/2.);
1144   shRB24B1TTF->DefineSection(2, z,  6.30/2.,  9.3/2.);
1145   z += 0.55;
1146   shRB24B1TTF->DefineSection(3, z,  6.30/2.,  9.3/2.);
1147   // Tube
1148   shRB24B1TTF->DefineSection(4, z,  6.30/2.,  6.7/2.);
1149   z += 5.80;
1150   shRB24B1TTF->DefineSection(5, z,  6.30/2.,  6.7/2.);
1151   // Transition Tube
1152   z += 3.75;
1153   shRB24B1TTF->DefineSection(6, z,  8.05/2.,  8.45/2.);
1154   TGeoVolume* voRB24B1TTF = new TGeoVolume("RB24B1TTF", shRB24B1TTF, kMedSteel);
1155   z =  0.;
1156   voRB24B1BellowM->AddNode(voRB24B1TTF, 1, new TGeoTranslation(0., 0., z));
1157
1158   // Annular Ion Pump
1159   // LHCVC2U_0003
1160   //
1161   // Pos  1 Rotable Flange         LHCVFX__0031
1162   // Pos  2 RF Screen Tube         LHCVC2U_0005
1163   // Pos  3 Shell                  LHCVC2U_0007
1164   // Pos  4 Extruded Shell         LHCVC2U_0006
1165   // Pos  5 Feedthrough Tube       LHCVC2U_0004
1166   // Pos  6 Tubulated Flange       STDVFUHV0021
1167   // Pos  7 Fixed Flange           LHCVFX__0032
1168   // Pos  8 Pumping Elements
1169
1170   //
1171   // Pos 1 Rotable Flange          LHCVFX__0031
1172   // pos 7 Fixed Flange            LHCVFX__0032
1173   //
1174   //  Mother volume
1175   const Float_t kRB24AIpML = 35.;
1176
1177   TGeoVolume* voRB24AIpM = new TGeoVolume("voRB24AIpM", new TGeoTube(0., 10., kRB24AIpML/2.), kMedAir);
1178   voRB24AIpM->SetVisibility(0);
1179
1180   //
1181   // Length 35 cm
1182   // Flange 2 x 1.98 =   3.96
1183   // Tube            =  32.84
1184   //==========================
1185   //                    36.80
1186   // Overlap 2 * 0.90 =  1.80
1187
1188   const Float_t kRB24IpRFD1     =  0.68;    // Length of section 1
1189   const Float_t kRB24IpRFD2     =  0.30;    // Length of section 2
1190   const Float_t kRB24IpRFD3     =  0.10;    // Length of section 3
1191   const Float_t kRB24IpRFD4     =  0.35;    // Length of section 4
1192   const Float_t kRB24IpRFD5     =  0.55;    // Length of section 5
1193
1194   const Float_t kRB24IpRFRo     = 15.20/2.; // Flange outer radius
1195   const Float_t kRB24IpRFRi1    =  6.30/2.; // Flange inner radius section 1
1196   const Float_t kRB24IpRFRi2    =  6.00/2.; // Flange inner radius section 2
1197   const Float_t kRB24IpRFRi3    =  5.84/2.; // Flange inner radius section 3
1198   const Float_t kRB24IpRFRi4    =  6.00/2.; // Flange inner radius section 1
1199   const Float_t kRB24IpRFRi5    = 10.50/2.; // Flange inner radius section 2
1200
1201   TGeoPcon* shRB24IpRF = new TGeoPcon(0., 360., 9);
1202   z0 = 0.;
1203   shRB24IpRF->DefineSection(0, z0, kRB24IpRFRi1, kRB24IpRFRo);
1204   z0 += kRB24IpRFD1;
1205   shRB24IpRF->DefineSection(1, z0, kRB24IpRFRi2, kRB24IpRFRo);
1206   z0 += kRB24IpRFD2;
1207   shRB24IpRF->DefineSection(2, z0, kRB24IpRFRi2, kRB24IpRFRo);
1208   shRB24IpRF->DefineSection(3, z0, kRB24IpRFRi3, kRB24IpRFRo);
1209   z0 += kRB24IpRFD3;
1210   shRB24IpRF->DefineSection(4, z0, kRB24IpRFRi3, kRB24IpRFRo);
1211   shRB24IpRF->DefineSection(5, z0, kRB24IpRFRi4, kRB24IpRFRo);
1212   z0 += kRB24IpRFD4;
1213   shRB24IpRF->DefineSection(6, z0, kRB24IpRFRi4, kRB24IpRFRo);
1214   shRB24IpRF->DefineSection(7, z0, kRB24IpRFRi5, kRB24IpRFRo);
1215   z0 += kRB24IpRFD5;
1216   shRB24IpRF->DefineSection(8, z0, kRB24IpRFRi5, kRB24IpRFRo);
1217
1218   TGeoVolume* voRB24IpRF = new TGeoVolume("RB24IpRF", shRB24IpRF, kMedSteel);
1219
1220   //
1221   // Pos  2 RF Screen Tube         LHCVC2U_0005
1222   //
1223
1224   //
1225   // Tube
1226   Float_t kRB24IpSTTL  = 32.84;            // Total length of the tube
1227   Float_t kRB24IpSTTRi =  5.80/2.;         // Inner Radius
1228   Float_t kRB24IpSTTRo =  6.00/2.;         // Outer Radius
1229   TGeoVolume* voRB24IpSTT = new TGeoVolume("RB24IpSTT", new TGeoTube(kRB24IpSTTRi, kRB24IpSTTRo, kRB24IpSTTL/2.), kMedSteel);
1230   // Screen
1231   Float_t kRB24IpSTCL  =  0.4;             // Lenth of the crochet detail
1232   // Length of the screen
1233   Float_t kRB24IpSTSL  =  9.00 - 2. * kRB24IpSTCL;
1234   // Rel. position of the screen
1235   Float_t kRB24IpSTSZ  =  7.00 + kRB24IpSTCL;
1236   TGeoVolume* voRB24IpSTS = new TGeoVolume("RB24IpSTS", new TGeoTube(kRB24IpSTTRi, kRB24IpSTTRo, kRB24IpSTSL/2.), kMedSteel);
1237   // Vacuum
1238   TGeoVolume* voRB24IpSTV = new TGeoVolume("RB24IpSTV", new TGeoTube(0., kRB24IpSTTRi, kRB24AIpML/2.), kMedVac);
1239   //
1240   voRB24IpSTT->AddNode(voRB24IpSTS, 1, new TGeoTranslation(0., 0., kRB24IpSTSZ -  kRB24IpSTTL/2. +  kRB24IpSTSL/2.));
1241
1242   // Crochets
1243   // Inner radius
1244   Float_t kRB24IpSTCRi  = kRB24IpSTTRo + 0.25;
1245   // Outer radius
1246   Float_t kRB24IpSTCRo  = kRB24IpSTTRo + 0.35;
1247   // Length of 1stsection
1248   Float_t kRB24IpSTCL1  = 0.15;
1249   // Length of 2nd section
1250   Float_t kRB24IpSTCL2  = 0.15;
1251   // Length of 3rd section
1252   Float_t kRB24IpSTCL3  = 0.10;
1253   // Rel. position of 1st Crochet
1254
1255
1256   TGeoPcon* shRB24IpSTC = new TGeoPcon(0., 360., 5);
1257   z0 = 0;
1258   shRB24IpSTC->DefineSection(0, z0, kRB24IpSTCRi, kRB24IpSTCRo);
1259   z0 += kRB24IpSTCL1;
1260   shRB24IpSTC->DefineSection(1, z0, kRB24IpSTCRi, kRB24IpSTCRo);
1261   shRB24IpSTC->DefineSection(2, z0, kRB24IpSTTRo, kRB24IpSTCRo);
1262   z0 += kRB24IpSTCL2;
1263   shRB24IpSTC->DefineSection(3, z0, kRB24IpSTTRo, kRB24IpSTCRo);
1264   z0 += kRB24IpSTCL3;
1265   shRB24IpSTC->DefineSection(4, z0, kRB24IpSTTRo, kRB24IpSTTRo + 0.001);
1266   TGeoVolume* voRB24IpSTC = new TGeoVolume("RB24IpSTC", shRB24IpSTC, kMedSteel);
1267
1268   // Pos  3 Shell                  LHCVC2U_0007
1269   // Pos  4 Extruded Shell         LHCVC2U_0006
1270   Float_t kRB24IpShellL     =  4.45;    // Length of the Shell
1271   Float_t kRB24IpShellD     =  0.10;    // Wall thickness of the shell
1272   Float_t kRB24IpShellCTRi  =  6.70/2.; // Inner radius of the connection tube
1273   Float_t kRB24IpShellCTL   =  1.56;    // Length of the connection tube
1274   Float_t kRB24IpShellCARi  = 17.80/2.; // Inner radius of the cavity
1275   Float_t kRB24IpShellCCRo  = 18.20/2.; // Inner radius at the centre
1276
1277   TGeoPcon* shRB24IpShell = new TGeoPcon(0., 360., 7);
1278   z0 = 0;
1279   shRB24IpShell->DefineSection(0, z0, kRB24IpShellCTRi, kRB24IpShellCTRi + kRB24IpShellD);
1280   z0 +=  kRB24IpShellCTL;
1281   shRB24IpShell->DefineSection(1, z0, kRB24IpShellCTRi, kRB24IpShellCTRi + kRB24IpShellD);
1282   shRB24IpShell->DefineSection(2, z0, kRB24IpShellCTRi, kRB24IpShellCARi + kRB24IpShellD);
1283   z0 += kRB24IpShellD;
1284   shRB24IpShell->DefineSection(3, z0, kRB24IpShellCARi, kRB24IpShellCARi + kRB24IpShellD);
1285   z0 = kRB24IpShellL - kRB24IpShellD;
1286   shRB24IpShell->DefineSection(4, z0, kRB24IpShellCARi, kRB24IpShellCARi + kRB24IpShellD);
1287   shRB24IpShell->DefineSection(5, z0, kRB24IpShellCARi, kRB24IpShellCCRo);
1288   z0 = kRB24IpShellL;
1289   shRB24IpShell->DefineSection(6, z0, kRB24IpShellCARi, kRB24IpShellCCRo);
1290   TGeoVolume* voRB24IpShell = new TGeoVolume("RB24IpShell", shRB24IpShell, kMedSteel);
1291
1292   TGeoPcon* shRB24IpShellM   = MakeMotherFromTemplate(shRB24IpShell, 0, 6, kRB24IpShellCTRi , 13);
1293
1294
1295   for (Int_t i = 0; i < 6; i++) {
1296     z = 2. * kRB24IpShellL  - shRB24IpShellM->GetZ(5-i);
1297     Float_t rmin = shRB24IpShellM->GetRmin(5-i);
1298     Float_t rmax = shRB24IpShellM->GetRmax(5-i);
1299     shRB24IpShellM->DefineSection(7+i, z, rmin, rmax);
1300   }
1301
1302   TGeoVolume* voRB24IpShellM = new TGeoVolume("RB24IpShellM", shRB24IpShellM, kMedVac);
1303   voRB24IpShellM->SetVisibility(0);
1304   voRB24IpShellM->AddNode(voRB24IpShell, 1, gGeoIdentity);
1305   voRB24IpShellM->AddNode(voRB24IpShell, 2, new TGeoCombiTrans(0., 0., 2. * kRB24IpShellL, rot180));
1306   //
1307   // Pos  8 Pumping Elements
1308   //
1309   //  Anode array
1310   TGeoVolume* voRB24IpPE = new TGeoVolume("voRB24IpPE", new TGeoTube(0.9, 1., 2.54/2.), kMedSteel);
1311   Float_t kRB24IpPEAR = 5.5;
1312
1313   for (Int_t i = 0; i < 15; i++) {
1314     Float_t phi = Float_t(i) * 24.;
1315     Float_t x   =  kRB24IpPEAR * TMath::Cos(kDegRad * phi);
1316     Float_t y   =  kRB24IpPEAR * TMath::Sin(kDegRad * phi);
1317     voRB24IpShellM->AddNode(voRB24IpPE, i+1, new TGeoTranslation(x, y, kRB24IpShellL));
1318   }
1319
1320
1321   //
1322   //  Cathodes
1323   //
1324   // Here we could add some Ti strips
1325
1326   // Postioning of elements
1327   voRB24AIpM->AddNode(voRB24IpRF,     1, new TGeoTranslation(0., 0., -kRB24AIpML/2.));
1328   voRB24AIpM->AddNode(voRB24IpRF,     2, new TGeoCombiTrans (0., 0., +kRB24AIpML/2., rot180));
1329   voRB24AIpM->AddNode(voRB24IpSTT,    1, new TGeoTranslation(0., 0., 0.));
1330   voRB24AIpM->AddNode(voRB24IpSTV,    1, new TGeoTranslation(0., 0., 0.));
1331   voRB24AIpM->AddNode(voRB24IpShellM, 1, new TGeoTranslation(0., 0., -kRB24AIpML/2. +  8.13));
1332   voRB24AIpM->AddNode(voRB24IpSTC,    1, new TGeoTranslation(0., 0., 8.13 - kRB24AIpML/2.));
1333   voRB24AIpM->AddNode(voRB24IpSTC,    2, new TGeoCombiTrans (0., 0., 8.14 + 8.9 - kRB24AIpML/2., rot180));
1334
1335   //
1336   // Valve
1337   // VAC Series 47 DN 63 with manual actuator
1338   //
1339   const Float_t kRB24ValveWz = 7.5;
1340   const Float_t kRB24ValveDN = 10.0/2.;
1341   //
1342   //  Body containing the valve plate
1343   //
1344   const Float_t kRB24ValveBoWx =  15.6;
1345   const Float_t kRB24ValveBoWy = (21.5 + 23.1 - 5.);
1346   const Float_t kRB24ValveBoWz =  4.6;
1347   const Float_t kRB24ValveBoD  =  0.5;
1348
1349   TGeoVolume* voRB24ValveBoM =
1350     new TGeoVolume("RB24ValveBoM",
1351                    new TGeoBBox( kRB24ValveBoWx/2.,  kRB24ValveBoWy/2., kRB24ValveBoWz/2.), kMedAir);
1352   voRB24ValveBoM->SetVisibility(0);
1353   TGeoVolume* voRB24ValveBo =
1354     new TGeoVolume("RB24ValveBo",
1355                    new TGeoBBox( kRB24ValveBoWx/2.,  kRB24ValveBoWy/2., kRB24ValveBoWz/2.), kMedSteel);
1356   voRB24ValveBoM->AddNode(voRB24ValveBo, 1, gGeoIdentity);
1357   //
1358   // Inner volume
1359   //
1360   TGeoVolume* voRB24ValveBoI = new TGeoVolume("RB24ValveBoI",
1361                                               new TGeoBBox( kRB24ValveBoWx/2. -  kRB24ValveBoD,
1362                                                             kRB24ValveBoWy/2. -  kRB24ValveBoD/2.,
1363                                                             kRB24ValveBoWz/2. -  kRB24ValveBoD),
1364                                               kMedVac);
1365   voRB24ValveBo->AddNode(voRB24ValveBoI, 1, new TGeoTranslation(0., kRB24ValveBoD/2., 0.));
1366   //
1367   // Opening and Flanges
1368   const Float_t  kRB24ValveFlRo = 18./2.;
1369   const Float_t  kRB24ValveFlD  = 1.45;
1370   TGeoVolume* voRB24ValveBoA = new TGeoVolume("RB24ValveBoA",
1371                                               new TGeoTube(0., kRB24ValveDN/2., kRB24ValveBoD/2.), kMedVac);
1372   voRB24ValveBo->AddNode(voRB24ValveBoA, 1, new TGeoTranslation(0., - kRB24ValveBoWy/2. + 21.5, -kRB24ValveBoWz/2. +  kRB24ValveBoD/2.));
1373   voRB24ValveBo->AddNode(voRB24ValveBoA, 2, new TGeoTranslation(0., - kRB24ValveBoWy/2. + 21.5, +kRB24ValveBoWz/2. -  kRB24ValveBoD/2.));
1374
1375   TGeoVolume* voRB24ValveFl  = new TGeoVolume("RB24ValveFl",  new TGeoTube(kRB24ValveDN/2.,  kRB24ValveFlRo, kRB24ValveFlD/2.), kMedSteel);
1376   TGeoVolume* voRB24ValveFlI = new TGeoVolume("RB24ValveFlI", new TGeoTube(0.,               kRB24ValveFlRo, kRB24ValveFlD/2.), kMedVac);
1377   voRB24ValveFlI->AddNode(voRB24ValveFl, 1, gGeoIdentity);
1378
1379   //
1380   // Actuator Flange
1381   const Float_t kRB24ValveAFlWx =  18.9;
1382   const Float_t kRB24ValveAFlWy =   5.0;
1383   const Float_t kRB24ValveAFlWz =   7.7;
1384   TGeoVolume* voRB24ValveAFl = new TGeoVolume("RB24ValveAFl", new TGeoBBox(kRB24ValveAFlWx/2., kRB24ValveAFlWy/2., kRB24ValveAFlWz/2.), kMedSteel);
1385   //
1386   // Actuator Tube
1387   const Float_t kRB24ValveATRo = 9.7/2.;
1388   const Float_t kRB24ValveATH  = 16.6;
1389   TGeoVolume* voRB24ValveAT = new TGeoVolume("RB24ValveAT", new TGeoTube(kRB24ValveATRo -  2. * kRB24ValveBoD,kRB24ValveATRo,  kRB24ValveATH/2.),
1390                                              kMedSteel);
1391   //
1392   // Manual Actuator (my best guess)
1393   TGeoVolume* voRB24ValveMA1 = new TGeoVolume("RB24ValveMA1", new TGeoCone(2.5/2., 0., 0.5, 4.5, 5.), kMedSteel);
1394   TGeoVolume* voRB24ValveMA2 = new TGeoVolume("RB24ValveMA2", new TGeoTorus(5., 0., 1.25), kMedSteel);
1395   TGeoVolume* voRB24ValveMA3 = new TGeoVolume("RB24ValveMA3", new TGeoTube (0., 1.25, 2.5), kMedSteel);
1396
1397
1398   //
1399   // Position all volumes
1400   Float_t y0;
1401   TGeoVolumeAssembly*  voRB24ValveMo = new TGeoVolumeAssembly("RB24ValveMo");
1402   voRB24ValveMo->AddNode(voRB24ValveFl,  1, new TGeoTranslation(0., 0., - 7.5/2. + kRB24ValveFlD/2.));
1403   voRB24ValveMo->AddNode(voRB24ValveFl,  2, new TGeoTranslation(0., 0., + 7.5/2. - kRB24ValveFlD/2.));
1404   y0 = -21.5;
1405   voRB24ValveMo->AddNode(voRB24ValveBoM, 1, new TGeoTranslation(0., y0 + kRB24ValveBoWy/2.,   0.));
1406   y0 +=  kRB24ValveBoWy;
1407   voRB24ValveMo->AddNode(voRB24ValveAFl, 1, new TGeoTranslation(0., y0 +  kRB24ValveAFlWy/2., 0.));
1408   y0 +=  kRB24ValveAFlWy;
1409   voRB24ValveMo->AddNode(voRB24ValveAT,  1, new TGeoCombiTrans(0.,  y0 + kRB24ValveATH/2.,    0., rotyz));
1410   y0 += kRB24ValveATH;
1411   voRB24ValveMo->AddNode(voRB24ValveMA1, 1, new TGeoCombiTrans(0.,  y0 + 2.5/2.,    0., rotyz));
1412   y0 += 2.5;
1413   voRB24ValveMo->AddNode(voRB24ValveMA2, 1, new TGeoCombiTrans(0.,  y0 + 2.5/2.,    0., rotyz));
1414   y0 += 2.5;
1415   voRB24ValveMo->AddNode(voRB24ValveMA3, 1, new TGeoCombiTrans(5./TMath::Sqrt(2.),  y0 + 5.0/2., 5./TMath::Sqrt(2.), rotyz));
1416   //
1417   // Warm Module Type VMABC
1418   // LHCVMABC_0002
1419   //
1420   //
1421   //
1422   // Flange                  1.00
1423   // Central Piece          11.50
1424   // Bellow                 14.50
1425   // End Flange              1.00
1426   //===================================
1427   // Total                  28.00
1428   //
1429   // Pos 1 Warm Bellows DN100       LHCVBU__0016
1430   // Pos 2 Trans. Tube Flange       LHCVSR__0062
1431   // Pos 3 RF Contact   D63         LHCVSR__0057
1432   // [Pos 4 Hex. Countersunk Screw   Bossard BN4719]
1433   // [Pos 5 Tension spring           LHCVSR__00239]
1434   //
1435
1436   // Pos 1 Warm Bellows DN100                   LHCVBU__0016
1437   // Pos 1.1 Right Body 2 Ports with Support    LHCVBU__0014
1438   //
1439   // Tube 1
1440   const Float_t kRB24VMABCRBT1Ri = 10.0/2.;
1441   const Float_t kRB24VMABCRBT1Ro = 10.3/2.;
1442   const Float_t kRB24VMABCRBT1L  = 11.5;
1443   const Float_t kRB24VMABCRBT1L2 = 8.;
1444   const Float_t kRB24VMABCL      = 28.;
1445
1446   TGeoTube* shRB24VMABCRBT1 = new TGeoTube(kRB24VMABCRBT1Ri, kRB24VMABCRBT1Ro, kRB24VMABCRBT1L/2.);
1447   shRB24VMABCRBT1->SetName("RB24VMABCRBT1");
1448   TGeoTube* shRB24VMABCRBT1o = new TGeoTube(0., kRB24VMABCRBT1Ro,  kRB24VMABCRBT1L/2.);
1449   shRB24VMABCRBT1o->SetName("RB24VMABCRBT1o");
1450   TGeoTube* shRB24VMABCRBT1o2 = new TGeoTube(0., kRB24VMABCRBT1Ro + 0.3, kRB24VMABCRBT1L/2.);
1451   shRB24VMABCRBT1o2->SetName("RB24VMABCRBT1o2");
1452   // Lower inforcement
1453   TGeoVolume*  voRB24VMABCRBT12  = new TGeoVolume("RB24VMABCRBT12",
1454                                                   new TGeoTubeSeg(kRB24VMABCRBT1Ro, kRB24VMABCRBT1Ro + 0.3, kRB24VMABCRBT1L2/2., 220., 320.)
1455                                                   , kMedSteel);
1456   //
1457   // Tube 2
1458   const Float_t kRB24VMABCRBT2Ri =   6.0/2.;
1459   const Float_t kRB24VMABCRBT2Ro =   6.3/2.;
1460   const Float_t kRB24VMABCRBF2Ro =  11.4/2.;
1461   const Float_t kRB24VMABCRBT2L  =   5.95 + 2.; // 2. cm added for welding
1462   const Float_t kRB24VMABCRBF2L  =   1.75;
1463   TGeoTube* shRB24VMABCRBT2 = new TGeoTube(kRB24VMABCRBT2Ri, kRB24VMABCRBT2Ro,  kRB24VMABCRBT2L/2.);
1464   shRB24VMABCRBT2->SetName("RB24VMABCRBT2");
1465   TGeoTube* shRB24VMABCRBT2i = new TGeoTube(0., kRB24VMABCRBT2Ri, kRB24VMABCRBT2L/2. + 2.);
1466   shRB24VMABCRBT2i->SetName("RB24VMABCRBT2i");
1467   TGeoCombiTrans* tRBT2 = new TGeoCombiTrans(-11.5 + kRB24VMABCRBT2L/2., 0., 7.2 - kRB24VMABCRBT1L/2.  , rotxz);
1468   tRBT2->SetName("tRBT2");
1469   tRBT2->RegisterYourself();
1470   TGeoCompositeShape* shRB24VMABCRBT2c =  new TGeoCompositeShape("shRB24VMABCRBT2c","RB24VMABCRBT2:tRBT2-RB24VMABCRBT1o");
1471   TGeoVolume* voRB24VMABCRBT2 = new TGeoVolume("shRB24VMABCRBT2", shRB24VMABCRBT2c, kMedSteel);
1472   // Flange
1473   // Pos 1.4 Flange DN63                        LHCVBU__0008
1474   TGeoVolume* voRB24VMABCRBF2 = new TGeoVolume("RB24VMABCRBF2",
1475                                                new TGeoTube(kRB24VMABCRBT2Ro, kRB24VMABCRBF2Ro, kRB24VMABCRBF2L/2.), kMedSteel);
1476   // DN63 Blank Flange (my best guess)
1477   TGeoVolume* voRB24VMABCRBF2B = new TGeoVolume("RB24VMABCRBF2B",
1478                                                 new TGeoTube(0., kRB24VMABCRBF2Ro, kRB24VMABCRBF2L/2.), kMedSteel);
1479   //
1480   // Tube 3
1481   const Float_t kRB24VMABCRBT3Ri =  3.5/2.;
1482   const Float_t kRB24VMABCRBT3Ro =  3.8/2.;
1483   const Float_t kRB24VMABCRBF3Ro =  7.0/2.;
1484   const Float_t kRB24VMABCRBT3L  =  4.95 + 2.; // 2. cm added for welding
1485   const Float_t kRB24VMABCRBF3L  =  1.27;
1486   TGeoTube* shRB24VMABCRBT3 = new TGeoTube(kRB24VMABCRBT3Ri, kRB24VMABCRBT3Ro,  kRB24VMABCRBT3L/2);
1487   shRB24VMABCRBT3->SetName("RB24VMABCRBT3");
1488   TGeoTube* shRB24VMABCRBT3i = new TGeoTube(0., kRB24VMABCRBT3Ri, kRB24VMABCRBT3L/2. + 2.);
1489   shRB24VMABCRBT3i->SetName("RB24VMABCRBT3i");
1490   TGeoCombiTrans* tRBT3 = new TGeoCombiTrans(0., 10.5 - kRB24VMABCRBT3L/2., 7.2 - kRB24VMABCRBT1L/2.  , rotyz);
1491   tRBT3->SetName("tRBT3");
1492   tRBT3->RegisterYourself();
1493   TGeoCompositeShape* shRB24VMABCRBT3c =  new TGeoCompositeShape("shRB24VMABCRBT3c","RB24VMABCRBT3:tRBT3-RB24VMABCRBT1o");
1494   TGeoVolume* voRB24VMABCRBT3 = new TGeoVolume("shRB24VMABCRBT3", shRB24VMABCRBT3c, kMedSteel);
1495   // Flange
1496   // Pos 1.4 Flange DN35                        LHCVBU__0007
1497   TGeoVolume* voRB24VMABCRBF3 = new TGeoVolume("RB24VMABCRBF3",
1498                                                new TGeoTube(kRB24VMABCRBT3Ro, kRB24VMABCRBF3Ro, kRB24VMABCRBF3L/2.), kMedSteel);
1499   //
1500   // Tube 4
1501   const Float_t kRB24VMABCRBT4Ri =  6.0/2.;
1502   const Float_t kRB24VMABCRBT4Ro =  6.4/2.;
1503   const Float_t kRB24VMABCRBT4L  =  6.6;
1504   TGeoTube* shRB24VMABCRBT4 = new TGeoTube(kRB24VMABCRBT4Ri, kRB24VMABCRBT4Ro,  kRB24VMABCRBT4L/2.);
1505   shRB24VMABCRBT4->SetName("RB24VMABCRBT4");
1506   TGeoCombiTrans* tRBT4 = new TGeoCombiTrans(0.,-11.+kRB24VMABCRBT4L/2., 7.2 - kRB24VMABCRBT1L/2.  , rotyz);
1507   tRBT4->SetName("tRBT4");
1508   tRBT4->RegisterYourself();
1509   TGeoCompositeShape* shRB24VMABCRBT4c =  new TGeoCompositeShape("shRB24VMABCRBT4c","RB24VMABCRBT4:tRBT4-RB24VMABCRBT1o2");
1510   TGeoVolume* voRB24VMABCRBT4 = new TGeoVolume("shRB24VMABCRBT4", shRB24VMABCRBT4c, kMedSteel);
1511   TGeoCompositeShape* shRB24VMABCRB = new TGeoCompositeShape("shRB24VMABCRB", "RB24VMABCRBT1-(RB24VMABCRBT2i:tRBT2+RB24VMABCRBT3i:tRBT3)");
1512   TGeoVolume* voRB24VMABCRBI = new TGeoVolume("RB24VMABCRBI", shRB24VMABCRB, kMedSteel);
1513   //
1514   // Plate
1515   const Float_t kRB24VMABCRBBx = 16.0;
1516   const Float_t kRB24VMABCRBBy =  1.5;
1517   const Float_t kRB24VMABCRBBz = 15.0;
1518
1519   // Relative position of tubes
1520   const Float_t  kRB24VMABCTz =   7.2;
1521   // Relative position of plate
1522   const Float_t  kRB24VMABCPz =   3.6;
1523   const Float_t  kRB24VMABCPy = -12.5;
1524
1525   TGeoVolume* voRB24VMABCRBP = new TGeoVolume("RB24VMABCRBP", new TGeoBBox(kRB24VMABCRBBx/2., kRB24VMABCRBBy/2., kRB24VMABCRBBz/2.), kMedSteel);
1526   //
1527   // Pirani Gauge (my best guess)
1528   //
1529   TGeoPcon* shRB24VMABCPirani = new TGeoPcon(0., 360., 15);
1530   // DN35/16 Coupling
1531   z = 0;
1532   shRB24VMABCPirani->DefineSection( 0, z,  0.8 , kRB24VMABCRBF3Ro);
1533   z += kRB24VMABCRBF3L; // 1.3
1534   shRB24VMABCPirani->DefineSection( 1, z,  0.8 , kRB24VMABCRBF3Ro);
1535   shRB24VMABCPirani->DefineSection( 2, z,  0.8 , 1.0);
1536   // Pipe
1537   z += 2.8;
1538   shRB24VMABCPirani->DefineSection( 3, z,  0.8 , 1.0);
1539   // Flange
1540   shRB24VMABCPirani->DefineSection( 4, z,  0.8 , 1.75);
1541   z += 1.6;
1542   shRB24VMABCPirani->DefineSection( 5, z,  0.8 , 1.75);
1543   shRB24VMABCPirani->DefineSection( 6, z,  0.8 , 1.0);
1544   z += 5.2;
1545   shRB24VMABCPirani->DefineSection( 7, z,  0.8 , 1.0);
1546   shRB24VMABCPirani->DefineSection( 8, z,  0.8 , 2.5);
1547   z += 2.0;
1548   shRB24VMABCPirani->DefineSection( 9, z,  0.80, 2.50);
1549   shRB24VMABCPirani->DefineSection(10, z,  1.55, 1.75);
1550   z += 5.7;
1551   shRB24VMABCPirani->DefineSection(11, z,  1.55, 1.75);
1552   shRB24VMABCPirani->DefineSection(11, z,  0.00, 1.75);
1553   z += 0.2;
1554   shRB24VMABCPirani->DefineSection(12, z,  0.00, 1.75);
1555   shRB24VMABCPirani->DefineSection(13, z,  0.00, 0.75);
1556   z += 0.5;
1557   shRB24VMABCPirani->DefineSection(14, z,  0.00, 0.75);
1558   TGeoVolume* voRB24VMABCPirani = new TGeoVolume("RB24VMABCPirani", shRB24VMABCPirani, kMedSteel);
1559   //
1560   //
1561   //
1562
1563
1564   //
1565   // Positioning of elements
1566   TGeoVolumeAssembly* voRB24VMABCRB = new TGeoVolumeAssembly("RB24VMABCRB");
1567   //
1568   voRB24VMABCRB->AddNode(voRB24VMABCRBI,   1, gGeoIdentity);
1569   // Plate
1570   voRB24VMABCRB->AddNode(voRB24VMABCRBP,   1, new TGeoTranslation(0., kRB24VMABCPy +  kRB24VMABCRBBy /2.,
1571                                                                   kRB24VMABCRBBz/2. - kRB24VMABCRBT1L/2. +  kRB24VMABCPz));
1572   // Tube 2
1573   voRB24VMABCRB->AddNode(voRB24VMABCRBT2,  1, gGeoIdentity);
1574   // Flange Tube 2
1575   voRB24VMABCRB->AddNode(voRB24VMABCRBF2,  1, new TGeoCombiTrans(kRB24VMABCPy + kRB24VMABCRBF2L/2., 0.,  kRB24VMABCTz - kRB24VMABCRBT1L/2., rotxz));
1576   // Blank Flange Tube 2
1577   voRB24VMABCRB->AddNode(voRB24VMABCRBF2B, 1, new TGeoCombiTrans(kRB24VMABCPy- kRB24VMABCRBF2L/2., 0.,  kRB24VMABCTz - kRB24VMABCRBT1L/2., rotxz));
1578   // Tube 3
1579   voRB24VMABCRB->AddNode(voRB24VMABCRBT3,  1, gGeoIdentity);
1580   // Flange Tube 3
1581   voRB24VMABCRB->AddNode(voRB24VMABCRBF3,  1, new TGeoCombiTrans(0.,   11.2 - kRB24VMABCRBF3L/2.,  kRB24VMABCTz - kRB24VMABCRBT1L/2., rotyz));
1582   // Pirani Gauge
1583   voRB24VMABCRB->AddNode(voRB24VMABCPirani, 1, new  TGeoCombiTrans(0., 11.2,  kRB24VMABCTz - kRB24VMABCRBT1L/2., rotyz));
1584   // Tube 4
1585   voRB24VMABCRB->AddNode(voRB24VMABCRBT4,  1, gGeoIdentity);
1586   // Inforcement
1587   voRB24VMABCRB->AddNode(voRB24VMABCRBT12, 1, new TGeoTranslation(0., 0., kRB24VMABCRBT1L2/2. - kRB24VMABCRBT1L/2. + 2.8));
1588
1589
1590   // Pos 1.3 Bellows with end part              LHCVBU__0002
1591   //
1592   // Connection Tube
1593   // Connection tube inner r
1594   const Float_t kRB24VMABBEConTubeRin        = 10.0/2.;
1595   // Connection tube outer r
1596   const Float_t kRB24VMABBEConTubeRou        = 10.3/2.;
1597   // Connection tube length
1598   const Float_t kRB24VMABBEConTubeL1         =  0.9;
1599   const Float_t kRB24VMABBEConTubeL2         =  2.6;
1600   //  const Float_t RB24VMABBEBellowL            =  kRB24VMABBEConTubeL1 + kRB24VMABBEConTubeL2 + kRB24B1BellowUndL;
1601
1602   // Mother volume
1603   TGeoPcon* shRB24VMABBEBellowM = new TGeoPcon(0., 360., 6);
1604   // Connection Tube and Flange
1605   z = 0.;
1606   shRB24VMABBEBellowM->DefineSection( 0, z, kRB24VMABBEConTubeRin,  kRB24VMABBEConTubeRou);
1607   z += kRB24VMABBEConTubeL1;
1608   shRB24VMABBEBellowM->DefineSection( 1, z, kRB24VMABBEConTubeRin, kRB24VMABBEConTubeRou);
1609   shRB24VMABBEBellowM->DefineSection( 2, z, kRB24B1BellowRi,       kRB24B1BellowRo + kRB24B1ProtTubeThickness);
1610   z += kRB24B1BellowUndL;
1611   shRB24VMABBEBellowM->DefineSection( 3, z, kRB24B1BellowRi,       kRB24B1BellowRo + kRB24B1ProtTubeThickness);
1612   shRB24VMABBEBellowM->DefineSection( 4, z, kRB24VMABBEConTubeRin,  kRB24VMABBEConTubeRou);
1613   z += kRB24VMABBEConTubeL2;
1614   shRB24VMABBEBellowM->DefineSection( 5, z, kRB24VMABBEConTubeRin,  kRB24VMABBEConTubeRou);
1615   TGeoVolume* voRB24VMABBEBellowM = new TGeoVolume("RB24VMABBEBellowM", shRB24VMABBEBellowM, kMedVac);
1616   voRB24VMABBEBellowM->SetVisibility(0);
1617
1618   //  Connection tube left
1619   TGeoVolume* voRB24VMABBECT1 = new TGeoVolume("RB24VMABBECT1",
1620                                                new TGeoTube(kRB24VMABBEConTubeRin, kRB24VMABBEConTubeRou,kRB24VMABBEConTubeL1/2.),
1621                                                kMedSteel);
1622   //  Connection tube right
1623   TGeoVolume* voRB24VMABBECT2 = new TGeoVolume("RB24VMABBECT2",
1624                                                new TGeoTube(kRB24VMABBEConTubeRin, kRB24VMABBEConTubeRou,kRB24VMABBEConTubeL2/2.),
1625                                                kMedSteel);
1626   z = kRB24VMABBEConTubeL1/2.;
1627   voRB24VMABBEBellowM->AddNode(voRB24VMABBECT1, 1, new TGeoTranslation(0., 0., z));
1628   z += kRB24VMABBEConTubeL1/2.;
1629   z += kRB24B1BellowUndL/2.;
1630   voRB24VMABBEBellowM->AddNode(voRB24B1Bellow, 2, new TGeoTranslation(0., 0., z));
1631   z += kRB24B1BellowUndL/2.;
1632   z += kRB24VMABBEConTubeL2/2.;
1633   voRB24VMABBEBellowM->AddNode(voRB24VMABBECT2, 1, new TGeoTranslation(0., 0., z));
1634   z += kRB24VMABBEConTubeL2/2.;
1635
1636   voRB24VMABCRB->AddNode(voRB24VMABBEBellowM, 1, new TGeoTranslation(0., 0., kRB24VMABCRBT1L/2.));
1637
1638   // Pos 1.2 Rotable flange                     LHCVBU__0013[*]
1639   // Front
1640   voRB24VMABCRB->AddNode(voRB24B1RFlange,  3, new TGeoCombiTrans(0., 0., - kRB24VMABCRBT1L/2. + 0.86, rot180));
1641   // End
1642   z =  kRB24VMABCRBT1L/2. + kRB24B1BellowUndL +kRB24VMABBEConTubeL1 +  kRB24VMABBEConTubeL2;
1643   voRB24VMABCRB->AddNode(voRB24B1RFlange,  4, new TGeoTranslation(0., 0., z - 0.86));
1644
1645
1646   // Pos 2    Trans. Tube Flange       LHCVSR__0062
1647   // Pos 2.1  Transition Tube          LHCVSR__0063
1648   // Pos 2.2  Transition Flange        LHCVSR__0060
1649   //
1650   // Transition Tube with Flange
1651   TGeoPcon* shRB24VMABCTT = new TGeoPcon(0., 360., 7);
1652   z = 0.;
1653   shRB24VMABCTT->DefineSection(0, z, 6.3/2., 11.16/2.);
1654   z += 0.25;
1655   shRB24VMABCTT->DefineSection(1, z, 6.3/2., 11.16/2.);
1656   shRB24VMABCTT->DefineSection(2, z, 6.3/2.,  9.30/2.);
1657   z += 0.25;
1658   shRB24VMABCTT->DefineSection(3, z, 6.3/2.,  9.30/2.);
1659   shRB24VMABCTT->DefineSection(4, z, 6.3/2.,  6.70/2.);
1660   z += (20.35 - 0.63);
1661   shRB24VMABCTT->DefineSection(5, z, 6.3/2.,  6.7/2.);
1662   z += 0.63;
1663   shRB24VMABCTT->DefineSection(6, z, 6.3/2.,  6.7/2.);
1664   TGeoVolume* voRB24VMABCTT = new TGeoVolume("RB24VMABCTT", shRB24VMABCTT, kMedSteel);
1665   voRB24VMABCRB->AddNode(voRB24VMABCTT, 1, new TGeoTranslation(0., 0., - kRB24VMABCRBT1L/2.-1.));
1666
1667   // Pos 3   RF Contact   D63         LHCVSR__0057
1668   // Pos 3.1 RF Contact Flange        LHCVSR__0017
1669   //
1670   TGeoPcon* shRB24VMABCCTFlange = new TGeoPcon(0., 360., 6);
1671   const Float_t kRB24VMABCCTFlangeRin  = 6.36/2.;  // Inner radius
1672   const Float_t kRB24VMABCCTFlangeL    = 1.30;     // Length
1673
1674   z = 0.;
1675   shRB24VMABCCTFlange->DefineSection(0, z, kRB24VMABCCTFlangeRin,  6.5/2.);
1676   z += 0.15;
1677   shRB24VMABCCTFlange->DefineSection(1, z, kRB24VMABCCTFlangeRin,  6.5/2.);
1678   shRB24VMABCCTFlange->DefineSection(2, z, kRB24VMABCCTFlangeRin,  6.9/2.);
1679   z += 0.9;
1680   shRB24VMABCCTFlange->DefineSection(3, z, kRB24VMABCCTFlangeRin,  6.9/2.);
1681   shRB24VMABCCTFlange->DefineSection(4, z, kRB24VMABCCTFlangeRin, 11.16/2.);
1682   z += 0.25;
1683   shRB24VMABCCTFlange->DefineSection(5, z, kRB24VMABCCTFlangeRin, 11.16/2.);
1684   TGeoVolume* voRB24VMABCCTFlange = new TGeoVolume("RB24VMABCCTFlange", shRB24VMABCCTFlange, kMedCu);
1685   //
1686   // Pos 3.2 RF-Contact        LHCVSR__0056
1687   //
1688   TGeoPcon* shRB24VMABCCT = new TGeoPcon(0., 360., 4);
1689   const Float_t kRB24VMABCCTRin  = 6.30/2.;        // Inner radius
1690   const Float_t kRB24VMABCCTCRin = 7.29/2.;        // Max. inner radius conical section
1691   const Float_t kRB24VMABCCTL    = 11.88;          // Length
1692   const Float_t kRB24VMABCCTSL   = 10.48;          // Length of straight section
1693   const Float_t kRB24VMABCCTd    =  0.03;          // Thickness
1694   z = 0;
1695   shRB24VMABCCT->DefineSection(0, z,  kRB24VMABCCTCRin,  kRB24VMABCCTCRin + kRB24VMABCCTd);
1696   z =  kRB24VMABCCTL -  kRB24VMABCCTSL;
1697   shRB24VMABCCT->DefineSection(1, z,  kRB24VMABCCTRin + 0.35,  kRB24VMABCCTRin + 0.35 + kRB24VMABCCTd);
1698   z = kRB24VMABCCTL  -  kRB24VMABCCTFlangeL;
1699   shRB24VMABCCT->DefineSection(2, z,  kRB24VMABCCTRin,  kRB24VMABCCTRin + kRB24VMABCCTd);
1700   z = kRB24VMABCCTL;
1701   shRB24VMABCCT->DefineSection(3, z,  kRB24VMABCCTRin,  kRB24VMABCCTRin + kRB24VMABCCTd);
1702
1703   TGeoVolume* voRB24VMABCCT = new TGeoVolume("RB24VMABCCT", shRB24VMABCCT, kMedCu);
1704
1705   TGeoVolumeAssembly* voRB24VMABRFCT = new TGeoVolumeAssembly("RB24VMABRFCT");
1706   voRB24VMABRFCT->AddNode(voRB24VMABCCT,        1, gGeoIdentity);
1707   voRB24VMABRFCT->AddNode( voRB24VMABCCTFlange, 1, new TGeoTranslation(0., 0.,  kRB24VMABCCTL - kRB24VMABCCTFlangeL));
1708
1709   z =  kRB24VMABCRBT1L/2. + kRB24B1BellowUndL + kRB24VMABBEConTubeL1 +  kRB24VMABBEConTubeL2 - kRB24VMABCCTL + 1.;
1710   voRB24VMABCRB->AddNode(voRB24VMABRFCT, 1, new TGeoTranslation(0., 0., z));
1711
1712
1713   //
1714   // Assembling RB24/1
1715   //
1716   TGeoVolumeAssembly* voRB24 = new TGeoVolumeAssembly("RB24");
1717   // Cu Tube with two simplified flanges
1718   voRB24->AddNode(voRB24CuTubeM, 1, gGeoIdentity);
1719   voRB24->AddNode(voRB24CuTubeA, 1, gGeoIdentity);
1720   z = - kRB24CuTubeL/2 + kRB24CuTubeFL/2.;
1721   voRB24->AddNode(voRB24CuTubeF, 1, new TGeoTranslation(0., 0., z));
1722   z = + kRB24CuTubeL/2 - kRB24CuTubeFL/2.;
1723   voRB24->AddNode(voRB24CuTubeF, 2, new TGeoTranslation(0., 0., z));
1724   // VMABC close to compensator magnet
1725   z = - kRB24CuTubeL/2. -  (kRB24VMABCL - kRB24VMABCRBT1L/2) + 1.;
1726
1727   voRB24->AddNode(voRB24VMABCRB, 2, new TGeoTranslation(0., 0., z));
1728   // Bellow
1729   z =  kRB24CuTubeL/2;
1730   voRB24->AddNode(voRB24B1BellowM, 1, new TGeoTranslation(0., 0., z));
1731   z +=  (kRB24B1L +  kRB24AIpML/2.);
1732   // Annular ion pump
1733   voRB24->AddNode(voRB24AIpM, 1, new TGeoTranslation(0., 0., z));
1734   z +=  (kRB24AIpML/2. +  kRB24ValveWz/2.);
1735   // Valve
1736   voRB24->AddNode(voRB24ValveMo, 1, new TGeoTranslation(0., 0., z));
1737   z += (kRB24ValveWz/2.+ kRB24VMABCRBT1L/2. + 1.);
1738   // VMABC close to forward detectors
1739   voRB24->AddNode(voRB24VMABCRB, 3, new TGeoTranslation(0., 0., z));
1740   //
1741   //   RB24/2
1742   //
1743   // Copper Tube RB24/2
1744   const Float_t  kRB242CuTubeL  = 330.0;
1745
1746   TGeoVolume* voRB242CuTubeM = new TGeoVolume("voRB242CuTubeM",
1747                                               new TGeoTube(0., kRB24CuTubeRo, kRB242CuTubeL/2.), kMedVac);
1748   voRB24CuTubeM->SetVisibility(0);
1749   TGeoVolume* voRB242CuTube = new TGeoVolume("voRB242CuTube",
1750                                              new TGeoTube(kRB24CuTubeRi, kRB24CuTubeRo, kRB242CuTubeL/2.), kMedCu);
1751   voRB242CuTubeM->AddNode(voRB242CuTube, 1, gGeoIdentity);
1752
1753
1754   TGeoVolumeAssembly* voRB242 = new TGeoVolumeAssembly("RB242");
1755   voRB242->AddNode(voRB242CuTube, 1, gGeoIdentity);
1756   z = - kRB242CuTubeL/2 + kRB24CuTubeFL/2.;
1757   voRB242->AddNode(voRB24CuTubeF, 3, new TGeoTranslation(0., 0., z));
1758   z = + kRB242CuTubeL/2 - kRB24CuTubeFL/2.;
1759   voRB242->AddNode(voRB24CuTubeF, 4, new TGeoTranslation(0., 0., z));
1760   z = - kRB24CuTubeL/2 - kRB24VMABCL - kRB242CuTubeL/2.;
1761   voRB24->AddNode(voRB242, 1, new TGeoTranslation(0., 0., z));
1762   //
1763   //   RB24/3
1764   //
1765   // Copper Tube RB24/3
1766   const Float_t  kRB243CuTubeL  = 303.35;
1767
1768   TGeoVolume* voRB243CuTubeM = new TGeoVolume("voRB243CuTubeM",
1769                                               new TGeoTube(0., kRB24CuTubeRo, kRB243CuTubeL/2.), kMedVac);
1770   voRB24CuTubeM->SetVisibility(0);
1771   TGeoVolume* voRB243CuTube = new TGeoVolume("voRB243CuTube",
1772                                              new TGeoTube(kRB24CuTubeRi, kRB24CuTubeRo, kRB243CuTubeL/2.), kMedCu);
1773   voRB243CuTubeM->AddNode(voRB243CuTube, 1, gGeoIdentity);
1774
1775
1776   TGeoVolumeAssembly* voRB243  = new TGeoVolumeAssembly("RB243");
1777   TGeoVolumeAssembly* voRB243A = new TGeoVolumeAssembly("RB243A");
1778
1779   voRB243A->AddNode(voRB243CuTube, 1, gGeoIdentity);
1780   z = - kRB243CuTubeL/2 + kRB24CuTubeFL/2.;
1781   voRB243A->AddNode(voRB24CuTubeF, 5, new TGeoTranslation(0., 0., z));
1782   z = + kRB243CuTubeL/2 - kRB24CuTubeFL/2.;
1783   voRB243A->AddNode(voRB24CuTubeF,    6, new TGeoTranslation(0., 0., z));
1784   z = + kRB243CuTubeL/2;
1785   voRB243A->AddNode(voRB24B1BellowM,  2, new TGeoTranslation(0., 0., z));
1786
1787   z = - kRB243CuTubeL/2.  - kRB24B1L;
1788   voRB243->AddNode(voRB243A, 1, new TGeoTranslation(0., 0., z));
1789   z = - (1.5 * kRB243CuTubeL + 2. * kRB24B1L);
1790   voRB243->AddNode(voRB243A, 2, new TGeoTranslation(0., 0., z));
1791
1792   z = - 2. * (kRB243CuTubeL + kRB24B1L) - (kRB24VMABCL - kRB24VMABCRBT1L/2) + 1.;
1793   voRB243->AddNode(voRB24VMABCRB, 3, new TGeoTranslation(0., 0., z));
1794
1795   z = - kRB24CuTubeL/2 - kRB24VMABCL - kRB242CuTubeL;
1796   voRB24->AddNode(voRB243, 1, new TGeoTranslation(0., 0., z));
1797
1798
1799   //
1800   //
1801   top->AddNode(voRB24, 1, new TGeoCombiTrans(0., 0., kRB24CuTubeL/2 + 88.5 + 400., rot180));
1802
1803
1804   //
1805   ////////////////////////////////////////////////////////////////////////////////
1806   //                                                                            //
1807   //                                  The Absorber Vacuum system                //
1808   //                                                                            //
1809   ////////////////////////////////////////////////////////////////////////////////
1810   //
1811   //    Rotable Flange starts at:            82.00 cm from IP
1812   //    Length of rotable flange section:    10.68 cm
1813   //    Weld                                  0.08 cm
1814   //    Length of straight section          207.21 cm
1815   //    =======================================================================
1816   //                                        299.97 cm  [0.03 cm missing ?]
1817   //    Length of opening cone              252.09 cm
1818   //    Weld                                  0.15 cm
1819   //    Length of compensator                30.54 cm
1820   //    Weld                                  0.15 cm
1821   //    Length of fixed flange  2.13 - 0.97   1.16 cm
1822   //    =======================================================================
1823   //                                        584.06 cm [584.80 installed] [0.74 cm missing]
1824   //    RB26/3
1825   //    Length of split flange  2.13 - 1.2    0.93 cm
1826   //    Weld                                  0.15 cm
1827   //    Length of fixed point section        16.07 cm
1828   //    Weld                                  0.15 cm
1829   //    Length of opening cone              629.20 cm
1830   //    Weld                                  0.30 cm
1831   //    Kength of the compensator            41.70 cm
1832   //    Weld                                  0.30 cm
1833   //    Length of fixed flange  2.99 - 1.72   1.27 cm
1834   // =================================================
1835   //    Length of RB26/3                    690.07 cm [689.20 installed] [0.87 cm too much]
1836   //
1837   //    RB26/4-5
1838   //    Length of split flange  2.13 - 1.2    0.93 cm
1839   //    Weld                                  0.15 cm
1840   //    Length of fixed point section        16.07 cm
1841   //    Weld                                  0.15 cm
1842   //    Length of opening cone              629.20 cm
1843   //    Weld                                  0.30 cm
1844   //    Length of closing cone
1845   //    Weld
1846   //    Lenth of straight section
1847   //    Kength of the compensator            41.70 cm
1848   //    Weld                                  0.30 cm
1849   //    Length of fixed flange  2.99 - 1.72   1.27 cm
1850   // =================================================
1851   //    Length of RB26/3                    690.07 cm [689.20 installed] [0.87 cm too much]
1852
1853   ///////////////////////////////////////////
1854   //                                       //
1855   //    RB26/1-2                           //
1856   //    Drawing LHCV2a_0050 [as installed] //
1857   //    Drawing LHCV2a_0008                //
1858   //    Drawing LHCV2a_0001                //
1859   ///////////////////////////////////////////
1860   //    Pos1 Vacuum Tubes   LHCVC2A__0010
1861   //    Pos2 Compensator    LHCVC2A__0064
1862   //    Pos3 Rotable Flange LHCVFX___0016
1863   //    Pos4 Fixed Flange   LHCVFX___0006
1864   //    Pos5 Bellow Tooling LHCVFX___0003
1865   //
1866   //
1867   //
1868   ///////////////////////////////////
1869   //    RB26/1-2 Vacuum Tubes      //
1870   //    Drawing  LHCVC2a_0010      //
1871   ///////////////////////////////////
1872   const Float_t kRB26s12TubeL = 459.45; // 0.15 cm added for welding
1873   //
1874   // Add 1 cm on outer diameter for insulation
1875   //
1876   TGeoPcon* shRB26s12Tube = new TGeoPcon(0., 360., 5);
1877   // Section 1: straight section
1878   shRB26s12Tube->DefineSection(0,   0.00,         5.84/2.,  6.00/2.);
1879   shRB26s12Tube->DefineSection(1, 207.21,         5.84/2.,  6.00/2.);
1880   // Section 2: 0.72 deg opening cone
1881   shRB26s12Tube->DefineSection(2, 207.21,         5.84/2.,  6.14/2.);
1882   shRB26s12Tube->DefineSection(3, 452.30,        12.00/2., 12.30/2.);
1883   shRB26s12Tube->DefineSection(4, kRB26s12TubeL, 12.00/2., 12.30/2.);
1884   TGeoVolume* voRB26s12Tube  = new TGeoVolume("RB26s12Tube", shRB26s12Tube, kMedSteel);
1885   // Add the insulation layer
1886   TGeoVolume* voRB26s12TubeIns = new TGeoVolume("RB26s12TubeIns", MakeInsulationFromTemplate(shRB26s12Tube), kMedInsu);
1887   voRB26s12Tube->AddNode(voRB26s12TubeIns, 1, gGeoIdentity);
1888
1889
1890   TGeoVolume* voRB26s12TubeM  = new TGeoVolume("RB26s12TubeM", MakeMotherFromTemplate(shRB26s12Tube), kMedVac);
1891   voRB26s12TubeM->AddNode(voRB26s12Tube, 1, gGeoIdentity);
1892
1893
1894
1895   ///////////////////////////////////
1896   //    RB26/2   Axial Compensator //
1897   //    Drawing  LHCVC2a_0064      //
1898   ///////////////////////////////////
1899   const Float_t kRB26s2CompL             = 30.65;    // Length of the compensator
1900   const Float_t kRB26s2BellowRo          = 14.38/2.; // Bellow outer radius        [Pos 1]
1901   const Float_t kRB26s2BellowRi          = 12.12/2.; // Bellow inner radius        [Pos 1]
1902   const Int_t   kRB26s2NumberOfPlies     = 14;       // Number of plies            [Pos 1]
1903   const Float_t kRB26s2BellowUndL        = 10.00;    // Length of undulated region [Pos 1]  [+10 mm installed including pretension ?]
1904   const Float_t kRB26s2PlieThickness     =  0.025;   // Plie thickness             [Pos 1]
1905   const Float_t kRB26s2ConnectionPlieR   =  0.21;    // Connection plie radius     [Pos 1]
1906   //  Plie radius
1907   const Float_t kRB26s2PlieR =
1908     (kRB26s2BellowUndL - 4. *  kRB26s2ConnectionPlieR + 2. * kRB26s2PlieThickness +
1909      (2. *  kRB26s2NumberOfPlies - 2.) * kRB26s2PlieThickness) / (4. * kRB26s2NumberOfPlies - 2.);
1910   const Float_t kRB26s2CompTubeInnerR    = 12.00/2.;  // Connection tubes inner radius     [Pos 2 + 3]
1911   const Float_t kRB26s2CompTubeOuterR    = 12.30/2.;  // Connection tubes outer radius     [Pos 2 + 3]
1912   const Float_t kRB26s2WeldingTubeLeftL  =  9.00/2.;  // Left connection tube half length  [Pos 2]
1913   const Float_t kRB26s2WeldingTubeRightL = 11.65/2.;  // Right connection tube half length [Pos 3]  [+ 0.15 cm for welding]
1914   const Float_t kRB26s2RingOuterR        = 18.10/2.;  // Ring inner radius                 [Pos 4]
1915   const Float_t kRB26s2RingL             =  0.40/2.;  // Ring half length                  [Pos 4]
1916   const Float_t kRB26s2RingZ             =  6.50   ;  // Ring z-position                   [Pos 4]
1917   const Float_t kRB26s2ProtOuterR        = 18.20/2.;  // Protection tube outer radius      [Pos 5]
1918   const Float_t kRB26s2ProtL             = 15.00/2.;  // Protection tube half length       [Pos 5]
1919   const Float_t kRB26s2ProtZ             =  6.70   ;  // Protection tube z-position        [Pos 5]
1920
1921
1922   // Mother volume
1923   //
1924   TGeoPcon* shRB26s2Compensator  = new TGeoPcon(0., 360., 6);
1925   shRB26s2Compensator->DefineSection( 0,   0.0, 0., kRB26s2CompTubeOuterR);
1926   shRB26s2Compensator->DefineSection( 1,   kRB26s2RingZ, 0., kRB26s2CompTubeOuterR);
1927   shRB26s2Compensator->DefineSection( 2,   kRB26s2RingZ, 0., kRB26s2ProtOuterR);
1928   shRB26s2Compensator->DefineSection( 3,   kRB26s2ProtZ + 2. * kRB26s2ProtL, 0., kRB26s2ProtOuterR);
1929   shRB26s2Compensator->DefineSection( 4,   kRB26s2ProtZ + 2. * kRB26s2ProtL, 0., kRB26s2CompTubeOuterR);
1930   shRB26s2Compensator->DefineSection( 5,   kRB26s2CompL                    , 0., kRB26s2CompTubeOuterR);
1931   TGeoVolume* voRB26s2Compensator  = new TGeoVolume("RB26s2Compensator", shRB26s2Compensator, kMedVac);
1932
1933   //
1934   // [Pos 1] Bellow
1935   //
1936   //
1937   TGeoVolume* voRB26s2Bellow = new TGeoVolume("RB26s2Bellow", new TGeoTube(kRB26s2BellowRi, kRB26s2BellowRo, kRB26s2BellowUndL/2.), kMedVac);
1938   //
1939   //  Upper part of the undulation
1940   //
1941   TGeoTorus* shRB26s2PlieTorusU  =  new TGeoTorus(kRB26s2BellowRo - kRB26s2PlieR, kRB26s2PlieR - kRB26s2PlieThickness, kRB26s2PlieR);
1942   shRB26s2PlieTorusU->SetName("RB26s2TorusU");
1943   TGeoTube*  shRB26s2PlieTubeU   =  new TGeoTube (kRB26s2BellowRo - kRB26s2PlieR, kRB26s2BellowRo, kRB26s2PlieR);
1944   shRB26s2PlieTubeU->SetName("RB26s2TubeU");
1945   TGeoCompositeShape*  shRB26s2UpperPlie = new TGeoCompositeShape("RB26s2UpperPlie", "RB26s2TorusU*RB26s2TubeU");
1946
1947   TGeoVolume* voRB26s2WiggleU = new TGeoVolume("RB26s2UpperPlie", shRB26s2UpperPlie, kMedSteel);
1948   //
1949   // Lower part of the undulation
1950   TGeoTorus* shRB26s2PlieTorusL =  new TGeoTorus(kRB26s2BellowRi + kRB26s2PlieR, kRB26s2PlieR - kRB26s2PlieThickness, kRB26s2PlieR);
1951   shRB26s2PlieTorusL->SetName("RB26s2TorusL");
1952   TGeoTube*  shRB26s2PlieTubeL   =  new TGeoTube (kRB26s2BellowRi, kRB26s2BellowRi + kRB26s2PlieR, kRB26s2PlieR);
1953   shRB26s2PlieTubeL->SetName("RB26s2TubeL");
1954   TGeoCompositeShape*  shRB26s2LowerPlie = new TGeoCompositeShape("RB26s2LowerPlie", "RB26s2TorusL*RB26s2TubeL");
1955
1956   TGeoVolume* voRB26s2WiggleL = new TGeoVolume("RB26s2LowerPlie", shRB26s2LowerPlie, kMedSteel);
1957
1958   //
1959   // Connection between upper and lower part of undulation
1960   TGeoVolume* voRB26s2WiggleC1 = new TGeoVolume("RB26s2PlieConn1",
1961                                                 new TGeoTube(kRB26s2BellowRi + kRB26s2PlieR,
1962                                                              kRB26s2BellowRo - kRB26s2PlieR, kRB26s2PlieThickness / 2.), kMedSteel);
1963   //
1964   // One wiggle
1965   TGeoVolumeAssembly* voRB26s2Wiggle = new TGeoVolumeAssembly("RB26s2Wiggle");
1966   z0 =  -  kRB26s2PlieThickness / 2.;
1967   voRB26s2Wiggle->AddNode(voRB26s2WiggleC1,  1 , new TGeoTranslation(0., 0., z0));
1968   z0 += kRB26s2PlieR -  kRB26s2PlieThickness / 2.;
1969   voRB26s2Wiggle->AddNode(voRB26s2WiggleU,   1 , new TGeoTranslation(0., 0., z0));
1970   z0 += kRB26s2PlieR -  kRB26s2PlieThickness / 2.;
1971   voRB26s2Wiggle->AddNode(voRB26s2WiggleC1,  2 , new TGeoTranslation(0., 0., z0));
1972   z0 += kRB26s2PlieR -  kRB26s2PlieThickness;
1973   voRB26s2Wiggle->AddNode(voRB26s2WiggleL ,  1 , new TGeoTranslation(0., 0., z0));
1974   // Positioning of the volumes
1975   z0   = - kRB26s2BellowUndL/2.+ kRB26s2ConnectionPlieR;
1976   voRB26s2Bellow->AddNode(voRB26s2WiggleL, 1, new TGeoTranslation(0., 0., z0));
1977   z0  +=  kRB26s2ConnectionPlieR;
1978   zsh  = 4. *  kRB26s2PlieR -  2. * kRB26s2PlieThickness;
1979   for (Int_t iw = 0; iw < kRB26s2NumberOfPlies; iw++) {
1980     Float_t zpos =  z0 + iw * zsh;
1981     voRB26s2Bellow->AddNode(voRB26s2Wiggle,  iw + 1, new TGeoTranslation(0., 0., zpos -  kRB26s2PlieThickness));
1982   }
1983
1984   voRB26s2Compensator->AddNode(voRB26s2Bellow, 1,  new TGeoTranslation(0., 0., 2. * kRB26s2WeldingTubeLeftL + kRB26s2BellowUndL/2.));
1985
1986   //
1987   // [Pos 2] Left Welding Tube
1988   //
1989   TGeoTube* shRB26s2CompLeftTube = new TGeoTube(kRB26s2CompTubeInnerR, kRB26s2CompTubeOuterR, kRB26s2WeldingTubeLeftL);
1990   TGeoVolume* voRB26s2CompLeftTube = new TGeoVolume("RB26s2CompLeftTube", shRB26s2CompLeftTube, kMedSteel);
1991   voRB26s2Compensator->AddNode(voRB26s2CompLeftTube, 1,  new TGeoTranslation(0., 0., kRB26s2WeldingTubeLeftL));
1992   //
1993   // [Pos 3] Right Welding Tube
1994   //
1995   TGeoTube* shRB26s2CompRightTube = new TGeoTube(kRB26s2CompTubeInnerR, kRB26s2CompTubeOuterR, kRB26s2WeldingTubeRightL);
1996   TGeoVolume* voRB26s2CompRightTube = new TGeoVolume("RB26s2CompRightTube", shRB26s2CompRightTube, kMedSteel);
1997   voRB26s2Compensator->AddNode(voRB26s2CompRightTube,  1, new TGeoTranslation(0., 0.,  kRB26s2CompL - kRB26s2WeldingTubeRightL));
1998   //
1999   // [Pos 4] Ring
2000   //
2001   TGeoTube* shRB26s2CompRing = new TGeoTube(kRB26s2CompTubeOuterR, kRB26s2RingOuterR, kRB26s2RingL);
2002   TGeoVolume* voRB26s2CompRing = new TGeoVolume("RB26s2CompRing", shRB26s2CompRing, kMedSteel);
2003   voRB26s2Compensator->AddNode(voRB26s2CompRing,  1, new TGeoTranslation(0., 0., kRB26s2RingZ + kRB26s2RingL));
2004
2005   //
2006   // [Pos 5] Outer Protecting Tube
2007   //
2008   TGeoTube* shRB26s2CompProtTube = new TGeoTube(kRB26s2RingOuterR, kRB26s2ProtOuterR, kRB26s2ProtL);
2009   TGeoVolume* voRB26s2CompProtTube = new TGeoVolume("RB26s2CompProtTube", shRB26s2CompProtTube, kMedSteel);
2010   voRB26s2Compensator->AddNode(voRB26s2CompProtTube, 1,  new TGeoTranslation(0., 0., kRB26s2ProtZ + kRB26s2ProtL));
2011
2012   ///////////////////////////////////
2013   //    Rotable Flange             //
2014   //    Drawing  LHCVFX_0016       //
2015   ///////////////////////////////////
2016   const Float_t kRB26s1RFlangeTubeRi    = 5.84/2.;  // Tube inner radius
2017   const Float_t kRB26s1RFlangeTubeRo    = 6.00/2.;  // Tube outer radius
2018
2019   // Pos 1 Clamp Ring          LHCVFX__0015
2020   const Float_t kRB26s1RFlangeCrL       = 1.40     ; // Lenth of the clamp ring
2021   const Float_t kRB26s1RFlangeCrRi1     = 6.72/2.; // Ring inner radius section 1
2022   const Float_t kRB26s1RFlangeCrRi2     = 6.06/2.; // Ring inner radius section 2
2023   const Float_t kRB26s1RFlangeCrRo      = 8.60/2.;// Ring outer radius
2024   const Float_t kRB26s1RFlangeCrD       = 0.800    ; // Width section 1
2025
2026   TGeoPcon* shRB26s1RFlangeCr = new TGeoPcon(0., 360., 4);
2027   z0 = 0.;
2028   shRB26s1RFlangeCr->DefineSection(0, z0, kRB26s1RFlangeCrRi1, kRB26s1RFlangeCrRo);
2029   z0 += kRB26s1RFlangeCrD;
2030   shRB26s1RFlangeCr->DefineSection(1, z0, kRB26s1RFlangeCrRi1, kRB26s1RFlangeCrRo);
2031   shRB26s1RFlangeCr->DefineSection(2, z0, kRB26s1RFlangeCrRi2, kRB26s1RFlangeCrRo);
2032   z0 = kRB26s1RFlangeCrL;
2033   shRB26s1RFlangeCr->DefineSection(3, z0, kRB26s1RFlangeCrRi2, kRB26s1RFlangeCrRo);
2034   TGeoVolume* voRB26s1RFlangeCr =
2035     new TGeoVolume("RB26s1RFlangeCr", shRB26s1RFlangeCr, kMedSteel);
2036
2037   // Pos 2 Insert              LHCVFX__0015
2038   const Float_t kRB26s1RFlangeIsL       = 4.88     ; // Lenth of the insert
2039   const Float_t kRB26s1RFlangeIsR       = 6.70/2.  ; // Ring radius
2040   const Float_t kRB26s1RFlangeIsD       = 0.80     ; // Ring Width
2041
2042   TGeoPcon* shRB26s1RFlangeIs = new TGeoPcon(0., 360., 4);
2043   z0 = 0.;
2044   shRB26s1RFlangeIs->DefineSection(0, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeIsR);
2045   z0 += kRB26s1RFlangeIsD;
2046   shRB26s1RFlangeIs->DefineSection(1, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeIsR);
2047   shRB26s1RFlangeIs->DefineSection(2, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeTubeRo);
2048   z0 = kRB26s1RFlangeIsL;
2049   shRB26s1RFlangeIs->DefineSection(3, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeTubeRo);
2050   TGeoVolume* voRB26s1RFlangeIs =
2051     new TGeoVolume("RB26s1RFlangeIs", shRB26s1RFlangeIs, kMedSteel);
2052   // 4.88 + 3.7 = 8.58 (8.7 to avoid overlap)
2053   // Pos 3 Fixed Point Section LHCVC2A_0021
2054   const Float_t kRB26s1RFlangeFpL       = 5.88     ; // Length of the fixed point section (0.08 cm added for welding)
2055   const Float_t kRB26s1RFlangeFpZ       = 3.82     ; // Position of the ring
2056   const Float_t kRB26s1RFlangeFpD       = 0.59     ; // Width of the ring
2057   const Float_t kRB26s1RFlangeFpR       = 7.00/2.  ; // Radius of the ring
2058
2059   TGeoPcon* shRB26s1RFlangeFp = new TGeoPcon(0., 360., 6);
2060   z0 = 0.;
2061   shRB26s1RFlangeFp->DefineSection(0, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeTubeRo);
2062   z0 += kRB26s1RFlangeFpZ;
2063   shRB26s1RFlangeFp->DefineSection(1, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeTubeRo);
2064   shRB26s1RFlangeFp->DefineSection(2, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeFpR);
2065   z0 += kRB26s1RFlangeFpD;
2066   shRB26s1RFlangeFp->DefineSection(3, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeFpR);
2067   shRB26s1RFlangeFp->DefineSection(4, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeTubeRo);
2068   z0 = kRB26s1RFlangeFpL;
2069   shRB26s1RFlangeFp->DefineSection(5, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeTubeRo);
2070   TGeoVolume* voRB26s1RFlangeFp = new TGeoVolume("RB26s1RFlangeFp", shRB26s1RFlangeFp, kMedSteel);
2071
2072   // Put everything in a mother volume
2073   TGeoPcon* shRB26s1RFlange = new TGeoPcon(0., 360., 8);
2074   z0 =  0.;
2075   shRB26s1RFlange->DefineSection(0, z0, 0., kRB26s1RFlangeCrRo);
2076   z0 += kRB26s1RFlangeCrL;
2077   shRB26s1RFlange->DefineSection(1, z0, 0., kRB26s1RFlangeCrRo);
2078   shRB26s1RFlange->DefineSection(2, z0, 0., kRB26s1RFlangeTubeRo);
2079   z0 = kRB26s1RFlangeIsL + kRB26s1RFlangeFpZ;
2080   shRB26s1RFlange->DefineSection(3, z0, 0., kRB26s1RFlangeTubeRo);
2081   shRB26s1RFlange->DefineSection(4, z0, 0., kRB26s1RFlangeFpR);
2082   z0 += kRB26s1RFlangeFpD;
2083   shRB26s1RFlange->DefineSection(5, z0, 0., kRB26s1RFlangeFpR);
2084   shRB26s1RFlange->DefineSection(6, z0, 0., kRB26s1RFlangeTubeRo);
2085   z0 = kRB26s1RFlangeIsL + kRB26s1RFlangeFpL;
2086   shRB26s1RFlange->DefineSection(7, z0, 0., kRB26s1RFlangeTubeRo);
2087   TGeoVolume* voRB26s1RFlange = new TGeoVolume("RB26s1RFlange", shRB26s1RFlange, kMedVac);
2088
2089   voRB26s1RFlange->AddNode(voRB26s1RFlangeIs, 1, gGeoIdentity);
2090   voRB26s1RFlange->AddNode(voRB26s1RFlangeCr, 1, gGeoIdentity);
2091   voRB26s1RFlange->AddNode(voRB26s1RFlangeFp, 1, new TGeoTranslation(0., 0., kRB26s1RFlangeIsL));
2092
2093   ///////////////////////////////////
2094   //    Fixed Flange               //
2095   //    Drawing  LHCVFX_0006       //
2096   ///////////////////////////////////
2097   const Float_t kRB26s2FFlangeL      =  2.13;    // Length of the flange
2098   const Float_t kRB26s2FFlangeD1     =  0.97;    // Length of section 1
2099   const Float_t kRB26s2FFlangeD2     =  0.29;    // Length of section 2
2100   const Float_t kRB26s2FFlangeD3     =  0.87;    // Length of section 3
2101   const Float_t kRB26s2FFlangeRo     = 17.15/2.; // Flange outer radius
2102   const Float_t kRB26s2FFlangeRi1    = 12.30/2.; // Flange inner radius section 1
2103   const Float_t kRB26s2FFlangeRi2    = 12.00/2.; // Flange inner radius section 2
2104   const Float_t kRB26s2FFlangeRi3    = 12.30/2.; // Flange inner radius section 3
2105   z0 = 0;
2106   TGeoPcon* shRB26s2FFlange = new TGeoPcon(0., 360., 6);
2107   z0 = 0.;
2108   shRB26s2FFlange->DefineSection(0, z0, kRB26s2FFlangeRi1, kRB26s2FFlangeRo);
2109   z0 += kRB26s2FFlangeD1;
2110   shRB26s2FFlange->DefineSection(1, z0, kRB26s2FFlangeRi1, kRB26s2FFlangeRo);
2111   shRB26s2FFlange->DefineSection(2, z0, kRB26s2FFlangeRi2, kRB26s2FFlangeRo);
2112   z0 += kRB26s2FFlangeD2;
2113   shRB26s2FFlange->DefineSection(3, z0, kRB26s2FFlangeRi2, kRB26s2FFlangeRo);
2114   shRB26s2FFlange->DefineSection(4, z0, kRB26s2FFlangeRi3, kRB26s2FFlangeRo);
2115   z0 += kRB26s2FFlangeD3;
2116   shRB26s2FFlange->DefineSection(5, z0, kRB26s2FFlangeRi3, kRB26s2FFlangeRo);
2117   TGeoVolume* voRB26s2FFlange = new TGeoVolume("RB26s2FFlange", shRB26s2FFlange, kMedSteel);
2118
2119   TGeoVolume* voRB26s2FFlangeM = new TGeoVolume("RB26s2FFlangeM", MakeMotherFromTemplate(shRB26s2FFlange, 2, 5), kMedVac);
2120   voRB26s2FFlangeM->AddNode(voRB26s2FFlange, 1, gGeoIdentity);
2121
2122
2123
2124   ////////////////////////////////////////
2125   //                                    //
2126   //    RB26/3                          //
2127   //    Drawing LHCV2a_0048             //
2128   //    Drawing LHCV2a_0002             //
2129   ////////////////////////////////////////
2130   //
2131   //    Pos 1 Vacuum Tubes      LHCVC2A__0003
2132   //    Pos 2 Fixed Point       LHCVFX___0005
2133   //    Pos 3 Split Flange      LHCVFX___0007
2134   //    Pos 4 Fixed Flange      LHCVFX___0004
2135   //    Pos 5 Axial Compensator LHCVC2A__0065
2136   //
2137   //
2138   //
2139   //
2140   ///////////////////////////////////
2141   //    Vacuum Tube                //
2142   //    Drawing  LHCVC2A_0003      //
2143   ///////////////////////////////////
2144   const Float_t kRB26s3TubeL  = 629.35 + 0.3; // 0.3 cm added for welding
2145   const Float_t kRB26s3TubeR1 =  12./2.;
2146   const Float_t kRB26s3TubeR2 =  kRB26s3TubeR1 + 215.8 * TMath::Tan(0.829 / 180. * TMath::Pi());
2147
2148
2149   TGeoPcon* shRB26s3Tube = new TGeoPcon(0., 360., 7);
2150   // Section 1: straight section
2151   shRB26s3Tube->DefineSection(0,   0.00, kRB26s3TubeR1, kRB26s3TubeR1 + 0.15);
2152   shRB26s3Tube->DefineSection(1,   2.00, kRB26s3TubeR1, kRB26s3TubeR1 + 0.15);
2153   // Section 2: 0.829 deg opening cone
2154   shRB26s3Tube->DefineSection(2,   2.00, kRB26s3TubeR1, kRB26s3TubeR1 + 0.20);
2155
2156   shRB26s3Tube->DefineSection(3, 217.80, kRB26s3TubeR2, kRB26s3TubeR2 + 0.20);
2157   shRB26s3Tube->DefineSection(4, 217.80, kRB26s3TubeR2, kRB26s3TubeR2 + 0.30);
2158
2159   shRB26s3Tube->DefineSection(5, 622.20,       30.00/2., 30.60/2.);
2160   shRB26s3Tube->DefineSection(6, kRB26s3TubeL, 30.00/2., 30.60/2.);
2161
2162   TGeoVolume* voRB26s3Tube = new TGeoVolume("RB26s3Tube", shRB26s3Tube, kMedSteel);
2163   //    Add the insulation layer
2164   TGeoVolume* voRB26s3TubeIns = new TGeoVolume("RB26s3TubeIns", MakeInsulationFromTemplate(shRB26s3Tube), kMedInsu);
2165   voRB26s3Tube->AddNode(voRB26s3TubeIns, 1, gGeoIdentity);
2166
2167   TGeoVolume* voRB26s3TubeM  = new TGeoVolume("RB26s3TubeM", MakeMotherFromTemplate(shRB26s3Tube), kMedVac);
2168   voRB26s3TubeM->AddNode(voRB26s3Tube, 1, gGeoIdentity);
2169
2170
2171
2172   ///////////////////////////////////
2173   //    Fixed Point                //
2174   //    Drawing  LHCVFX_0005       //
2175   ///////////////////////////////////
2176   const Float_t kRB26s3FixedPointL       = 16.37     ; // Length of the fixed point section (0.3 cm added for welding)
2177   const Float_t kRB26s3FixedPointZ       =  9.72     ; // Position of the ring (0.15 cm added for welding)
2178   const Float_t kRB26s3FixedPointD       =  0.595    ; // Width of the ring
2179   const Float_t kRB26s3FixedPointR       = 13.30/2.  ; // Radius of the ring
2180   const Float_t kRB26s3FixedPointRi      = 12.00/2.  ; // Inner radius of the tube
2181   const Float_t kRB26s3FixedPointRo1     = 12.30/2.  ; // Outer radius of the tube (in)
2182   const Float_t kRB26s3FixedPointRo2     = 12.40/2.  ; // Outer radius of the tube (out)
2183   const Float_t kRB26s3FixedPointDs      =  1.5      ; // Width of straight section behind ring
2184   const Float_t kRB26s3FixedPointDc      =  3.15     ; // Width of conical  section behind ring (0.15 cm added for welding)
2185
2186   TGeoPcon* shRB26s3FixedPoint = new TGeoPcon(0., 360., 8);
2187   z0 = 0.;
2188   shRB26s3FixedPoint->DefineSection(0, z0, kRB26s3FixedPointRi, kRB26s3FixedPointRo1);
2189   z0 += kRB26s3FixedPointZ;
2190   shRB26s3FixedPoint->DefineSection(1, z0, kRB26s3FixedPointRi, kRB26s3FixedPointRo1);
2191   shRB26s3FixedPoint->DefineSection(2, z0, kRB26s3FixedPointRi, kRB26s3FixedPointR);
2192   z0 += kRB26s3FixedPointD;
2193   shRB26s3FixedPoint->DefineSection(3, z0, kRB26s3FixedPointRi, kRB26s3FixedPointR);
2194   shRB26s3FixedPoint->DefineSection(4, z0, kRB26s3FixedPointRi, kRB26s3FixedPointRo1);
2195   z0 += kRB26s3FixedPointDs;
2196   shRB26s3FixedPoint->DefineSection(5, z0, kRB26s3FixedPointRi, kRB26s3FixedPointRo1);
2197   z0 += kRB26s3FixedPointDc;
2198   shRB26s3FixedPoint->DefineSection(6, z0, kRB26s3FixedPointRi, kRB26s3FixedPointRo2);
2199   z0 = kRB26s3FixedPointL;
2200   shRB26s3FixedPoint->DefineSection(7, z0, kRB26s3FixedPointRi, kRB26s3FixedPointRo2);
2201   TGeoVolume* voRB26s3FixedPoint = new TGeoVolume("RB26s3FixedPoint", shRB26s3FixedPoint, kMedSteel);
2202
2203   TGeoVolume* voRB26s3FixedPointM = new TGeoVolume("RB26s3FixedPointM", MakeMotherFromTemplate(shRB26s3FixedPoint), kMedVac);
2204   voRB26s3FixedPointM->AddNode(voRB26s3FixedPoint, 1, gGeoIdentity);
2205
2206   ///////////////////////////////////
2207   //    Split Flange               //
2208   //    Drawing  LHCVFX_0005       //
2209   ///////////////////////////////////
2210   const Float_t kRB26s3SFlangeL      =  2.13;        // Length of the flange
2211   const Float_t kRB26s3SFlangeD1     =  0.57;        // Length of section 1
2212   const Float_t kRB26s3SFlangeD2     =  0.36;        // Length of section 2
2213   const Float_t kRB26s3SFlangeD3     =  0.50 + 0.70; // Length of section 3
2214   const Float_t kRB26s3SFlangeRo     = 17.15/2.;     // Flange outer radius
2215   const Float_t kRB26s3SFlangeRi1    = 12.30/2.;     // Flange inner radius section 1
2216   const Float_t kRB26s3SFlangeRi2    = 12.00/2.;     // Flange inner radius section 2
2217   const Float_t kRB26s3SFlangeRi3    = 12.30/2.;     // Flange inner radius section 3
2218   z0 = 0;
2219   TGeoPcon* shRB26s3SFlange = new TGeoPcon(0., 360., 6);
2220   z0 = 0.;
2221   shRB26s3SFlange->DefineSection(0, z0, kRB26s3SFlangeRi1, kRB26s3SFlangeRo);
2222   z0 += kRB26s3SFlangeD1;
2223   shRB26s3SFlange->DefineSection(1, z0, kRB26s3SFlangeRi1, kRB26s3SFlangeRo);
2224   shRB26s3SFlange->DefineSection(2, z0, kRB26s3SFlangeRi2, kRB26s3SFlangeRo);
2225   z0 += kRB26s3SFlangeD2;
2226   shRB26s3SFlange->DefineSection(3, z0, kRB26s3SFlangeRi2, kRB26s3SFlangeRo);
2227   shRB26s3SFlange->DefineSection(4, z0, kRB26s3SFlangeRi3, kRB26s3SFlangeRo);
2228   z0 += kRB26s3SFlangeD3;
2229   shRB26s3SFlange->DefineSection(5, z0, kRB26s3SFlangeRi3, kRB26s3SFlangeRo);
2230   TGeoVolume* voRB26s3SFlange = new TGeoVolume("RB26s3SFlange", shRB26s3SFlange, kMedSteel);
2231
2232   TGeoVolume* voRB26s3SFlangeM = new TGeoVolume("RB26s3SFlangeM", MakeMotherFromTemplate(shRB26s3SFlange, 0, 3), kMedVac);
2233   voRB26s3SFlangeM->AddNode(voRB26s3SFlange, 1, gGeoIdentity);
2234
2235   ///////////////////////////////////
2236   //    RB26/3   Fixed Flange      //
2237   //    Drawing  LHCVFX___0004     //
2238   ///////////////////////////////////
2239   const Float_t kRB26s3FFlangeL      =  2.99;    // Length of the flange
2240   const Float_t kRB26s3FFlangeD1     =  1.72;    // Length of section 1
2241   const Float_t kRB26s3FFlangeD2     =  0.30;    // Length of section 2
2242   const Float_t kRB26s3FFlangeD3     =  0.97;    // Length of section 3
2243   const Float_t kRB26s3FFlangeRo     = 36.20/2.; // Flange outer radius
2244   const Float_t kRB26s3FFlangeRi1    = 30.60/2.; // Flange inner radius section 1
2245   const Float_t kRB26s3FFlangeRi2    = 30.00/2.; // Flange inner radius section 2
2246   const Float_t kRB26s3FFlangeRi3    = 30.60/2.; // Flange inner radius section 3
2247   z0 = 0;
2248   TGeoPcon* shRB26s3FFlange = new TGeoPcon(0., 360., 6);
2249   z0 = 0.;
2250   shRB26s3FFlange->DefineSection(0, z0, kRB26s3FFlangeRi1, kRB26s3FFlangeRo);
2251   z0 += kRB26s3FFlangeD1;
2252   shRB26s3FFlange->DefineSection(1, z0, kRB26s3FFlangeRi1, kRB26s3FFlangeRo);
2253   shRB26s3FFlange->DefineSection(2, z0, kRB26s3FFlangeRi2, kRB26s3FFlangeRo);
2254   z0 += kRB26s3FFlangeD2;
2255   shRB26s3FFlange->DefineSection(3, z0, kRB26s3FFlangeRi2, kRB26s3FFlangeRo);
2256   shRB26s3FFlange->DefineSection(4, z0, kRB26s3FFlangeRi3, kRB26s3FFlangeRo);
2257   z0 += kRB26s3FFlangeD3;
2258   shRB26s3FFlange->DefineSection(5, z0, kRB26s3FFlangeRi3, kRB26s3FFlangeRo);
2259   TGeoVolume* voRB26s3FFlange = new TGeoVolume("RB26s3FFlange", shRB26s3FFlange, kMedSteel);
2260
2261   TGeoVolume* voRB26s3FFlangeM = new TGeoVolume("RB26s3FFlangeM", MakeMotherFromTemplate(shRB26s3FFlange, 2, 5), kMedVac);
2262   voRB26s3FFlangeM->AddNode(voRB26s3FFlange, 1, gGeoIdentity);
2263
2264
2265
2266   ///////////////////////////////////
2267   //    RB26/3   Axial Compensator //
2268   //    Drawing  LHCVC2a_0065      //
2269   ///////////////////////////////////
2270   const Float_t kRB26s3CompL              = 42.0;     // Length of the compensator (0.3 cm added for welding)
2271   const Float_t kRB26s3BellowRo           = 34.00/2.; // Bellow outer radius        [Pos 1]
2272   const Float_t kRB26s3BellowRi           = 30.10/2.; // Bellow inner radius        [Pos 1]
2273   const Int_t   kRB26s3NumberOfPlies      = 13;       // Number of plies            [Pos 1]
2274   const Float_t kRB26s3BellowUndL         = 17.70;    // Length of undulated region [Pos 1]
2275   const Float_t kRB26s3PlieThickness      =  0.06;    // Plie thickness             [Pos 1]
2276   const Float_t kRB26s3ConnectionPlieR    =  0.21;    // Connection plie radius     [Pos 1]
2277   //  Plie radius
2278   const Float_t kRB26s3PlieR =
2279     (kRB26s3BellowUndL - 4. *  kRB26s3ConnectionPlieR + 2. * kRB26s3PlieThickness +
2280      (2. *  kRB26s3NumberOfPlies - 2.) * kRB26s3PlieThickness) / (4. * kRB26s3NumberOfPlies - 2.);
2281
2282   //
2283   // The welding tubes have 3 sections with different radii and 2 transition regions.
2284   // Section 1: connection to the outside
2285   // Section 2: commection to the bellow
2286   // Section 3: between 1 and 2
2287   const Float_t kRB26s3CompTubeInnerR1    = 30.0/2.;  // Outer Connection tubes inner radius     [Pos 4 + 3]
2288   const Float_t kRB26s3CompTubeOuterR1    = 30.6/2.;  // Outer Connection tubes outer radius     [Pos 4 + 3]
2289   const Float_t kRB26s3CompTubeInnerR2    = 29.4/2.;  // Connection tubes inner radius           [Pos 4 + 3]
2290   const Float_t kRB26s3CompTubeOuterR2    = 30.0/2.;  // Connection tubes outer radius           [Pos 4 + 3]
2291   const Float_t kRB26s3CompTubeInnerR3    = 30.6/2.;  // Connection tubes inner radius at bellow [Pos 4 + 3]
2292   const Float_t kRB26s3CompTubeOuterR3    = 32.2/2.;  // Connection tubes outer radius at bellow [Pos 4 + 3]
2293
2294   const Float_t kRB26s3WeldingTubeLeftL1  =  2.0;     // Left connection tube length             [Pos 4]
2295   const Float_t kRB26s3WeldingTubeLeftL2  =  3.4;     // Left connection tube length             [Pos 4]
2296   const Float_t kRB26s3WeldingTubeLeftL   =  7.0;     // Left connection tube total length       [Pos 4]
2297   const Float_t kRB26s3WeldingTubeRightL1 =  2.3;     // Right connection tube length            [Pos 3] (0.3 cm added for welding)
2298   const Float_t kRB26s3WeldingTubeRightL2 = 13.4;     // Right connection tube length            [Pos 3]
2299
2300   const Float_t kRB26s3WeldingTubeT1      =  0.6;     // Length of first r-transition            [Pos 4 + 3]
2301   const Float_t kRB26s3WeldingTubeT2      =  1.0;     // Length of 2nd   r-transition            [Pos 4 + 3]
2302
2303
2304
2305   const Float_t kRB26s3RingOuterR         = 36.1/2.;  // Ring inner radius                       [Pos 4]
2306   const Float_t kRB26s3RingL              =  0.8/2.;  // Ring half length                        [Pos 4]
2307   const Float_t kRB26s3RingZ              =  3.7   ;  // Ring z-position                         [Pos 4]
2308   const Float_t kRB26s3ProtOuterR         = 36.2/2.;  // Protection tube outer radius            [Pos 2]
2309   const Float_t kRB26s3ProtL              = 27.0/2.;  // Protection tube half length             [Pos 2]
2310   const Float_t kRB26s3ProtZ              =  4.0   ;  // Protection tube z-position              [Pos 2]
2311
2312
2313   // Mother volume
2314   //
2315   TGeoPcon* shRB26s3Compensator  = new TGeoPcon(0., 360., 6);
2316   shRB26s3Compensator->DefineSection( 0,   0.0, 0., kRB26s3CompTubeOuterR1);
2317   shRB26s3Compensator->DefineSection( 1,   kRB26s3RingZ, 0., kRB26s3CompTubeOuterR1);
2318   shRB26s3Compensator->DefineSection( 2,   kRB26s3RingZ, 0., kRB26s3ProtOuterR);
2319   shRB26s3Compensator->DefineSection( 3,   kRB26s3ProtZ + 2. * kRB26s3ProtL, 0., kRB26s3ProtOuterR);
2320   shRB26s3Compensator->DefineSection( 4,   kRB26s3ProtZ + 2. * kRB26s3ProtL, 0., kRB26s3CompTubeOuterR1);
2321   shRB26s3Compensator->DefineSection( 5,   kRB26s3CompL                    , 0., kRB26s3CompTubeOuterR1);
2322   TGeoVolume* voRB26s3Compensator  =
2323     new TGeoVolume("RB26s3Compensator", shRB26s3Compensator, kMedVac);
2324
2325   //
2326   // [Pos 1] Bellow
2327   //
2328   //
2329   TGeoVolume* voRB26s3Bellow = new TGeoVolume("RB26s3Bellow",
2330                                               new TGeoTube(kRB26s3BellowRi, kRB26s3BellowRo, kRB26s3BellowUndL/2.), kMedVac);
2331   //
2332   //  Upper part of the undulation
2333   //
2334   TGeoTorus* shRB26s3PlieTorusU  =  new TGeoTorus(kRB26s3BellowRo - kRB26s3PlieR, kRB26s3PlieR - kRB26s3PlieThickness, kRB26s3PlieR);
2335   shRB26s3PlieTorusU->SetName("RB26s3TorusU");
2336   TGeoTube*  shRB26s3PlieTubeU   =  new TGeoTube (kRB26s3BellowRo - kRB26s3PlieR, kRB26s3BellowRo, kRB26s3PlieR);
2337   shRB26s3PlieTubeU->SetName("RB26s3TubeU");
2338   TGeoCompositeShape*  shRB26s3UpperPlie = new TGeoCompositeShape("RB26s3UpperPlie", "RB26s3TorusU*RB26s3TubeU");
2339
2340   TGeoVolume* voRB26s3WiggleU = new TGeoVolume("RB26s3UpperPlie", shRB26s3UpperPlie, kMedSteel);
2341   //
2342   // Lower part of the undulation
2343   TGeoTorus* shRB26s3PlieTorusL =  new TGeoTorus(kRB26s3BellowRi + kRB26s3PlieR, kRB26s3PlieR - kRB26s3PlieThickness, kRB26s3PlieR);
2344   shRB26s3PlieTorusL->SetName("RB26s3TorusL");
2345   TGeoTube*  shRB26s3PlieTubeL   =  new TGeoTube (kRB26s3BellowRi, kRB26s3BellowRi + kRB26s3PlieR, kRB26s3PlieR);
2346   shRB26s3PlieTubeL->SetName("RB26s3TubeL");
2347   TGeoCompositeShape*  shRB26s3LowerPlie = new TGeoCompositeShape("RB26s3LowerPlie", "RB26s3TorusL*RB26s3TubeL");
2348
2349   TGeoVolume* voRB26s3WiggleL = new TGeoVolume("RB26s3LowerPlie", shRB26s3LowerPlie, kMedSteel);
2350
2351   //
2352   // Connection between upper and lower part of undulation
2353   TGeoVolume* voRB26s3WiggleC1 = new TGeoVolume("RB26s3PlieConn1",
2354                                                 new TGeoTube(kRB26s3BellowRi + kRB26s3PlieR,
2355                                                              kRB26s3BellowRo - kRB26s3PlieR, kRB26s3PlieThickness / 2.), kMedSteel);
2356   //
2357   // One wiggle
2358   TGeoVolumeAssembly* voRB26s3Wiggle = new TGeoVolumeAssembly("RB26s3Wiggle");
2359   z0 =  -  kRB26s3PlieThickness / 2.;
2360   voRB26s3Wiggle->AddNode(voRB26s3WiggleC1,  1 , new TGeoTranslation(0., 0., z0));
2361   z0 += kRB26s3PlieR -  kRB26s3PlieThickness / 2.;
2362   voRB26s3Wiggle->AddNode(voRB26s3WiggleU,   1 , new TGeoTranslation(0., 0., z0));
2363   z0 += kRB26s3PlieR -  kRB26s3PlieThickness / 2.;
2364   voRB26s3Wiggle->AddNode(voRB26s3WiggleC1,  2 , new TGeoTranslation(0., 0., z0));
2365   z0 += kRB26s3PlieR -  kRB26s3PlieThickness;
2366   voRB26s3Wiggle->AddNode(voRB26s3WiggleL,  1 , new TGeoTranslation(0., 0., z0));
2367   // Positioning of the volumes
2368   z0   = - kRB26s3BellowUndL/2.+ kRB26s3ConnectionPlieR;
2369   voRB26s3Bellow->AddNode(voRB26s3WiggleL, 1, new TGeoTranslation(0., 0., z0));
2370   z0  +=  kRB26s3ConnectionPlieR;
2371   zsh  = 4. *  kRB26s3PlieR -  2. * kRB26s3PlieThickness;
2372   for (Int_t iw = 0; iw < kRB26s3NumberOfPlies; iw++) {
2373     Float_t zpos =  z0 + iw * zsh;
2374     voRB26s3Bellow->AddNode(voRB26s3Wiggle,  iw + 1, new TGeoTranslation(0., 0., zpos -  kRB26s3PlieThickness));
2375   }
2376
2377   voRB26s3Compensator->AddNode(voRB26s3Bellow, 1,  new TGeoTranslation(0., 0., kRB26s3WeldingTubeLeftL + kRB26s3BellowUndL/2.));
2378
2379
2380   //
2381   // [Pos 2] Outer Protecting Tube
2382   //
2383   TGeoTube* shRB26s3CompProtTube = new TGeoTube(kRB26s3RingOuterR, kRB26s3ProtOuterR, kRB26s3ProtL);
2384   TGeoVolume* voRB26s3CompProtTube =
2385     new TGeoVolume("RB26s3CompProtTube", shRB26s3CompProtTube, kMedSteel);
2386   voRB26s3Compensator->AddNode(voRB26s3CompProtTube, 1,  new TGeoTranslation(0., 0., kRB26s3ProtZ + kRB26s3ProtL));
2387
2388
2389   //
2390   // [Pos 3] Right Welding Tube
2391   //
2392   TGeoPcon* shRB26s3CompRightTube = new TGeoPcon(0., 360., 5);
2393   z0 = 0.;
2394   shRB26s3CompRightTube->DefineSection(0, z0,  kRB26s3CompTubeInnerR3, kRB26s3CompTubeOuterR3);
2395   z0 += kRB26s3WeldingTubeT2;
2396   shRB26s3CompRightTube->DefineSection(1, z0,  kRB26s3CompTubeInnerR2, kRB26s3CompTubeOuterR2);
2397   z0 += kRB26s3WeldingTubeRightL2;
2398   shRB26s3CompRightTube->DefineSection(2, z0,  kRB26s3CompTubeInnerR2, kRB26s3CompTubeOuterR2);
2399   z0 += kRB26s3WeldingTubeT1;
2400   shRB26s3CompRightTube->DefineSection(3, z0,  kRB26s3CompTubeInnerR1, kRB26s3CompTubeOuterR1);
2401   z0 += kRB26s3WeldingTubeRightL1;
2402   shRB26s3CompRightTube->DefineSection(4, z0,  kRB26s3CompTubeInnerR1, kRB26s3CompTubeOuterR1);
2403
2404   TGeoVolume* voRB26s3CompRightTube =
2405     new TGeoVolume("RB26s3CompRightTube", shRB26s3CompRightTube, kMedSteel);
2406   voRB26s3Compensator->AddNode(voRB26s3CompRightTube,  1, new TGeoTranslation(0., 0.,  kRB26s3CompL - z0));
2407
2408   //
2409   // [Pos 4] Left Welding Tube
2410   //
2411   TGeoPcon* shRB26s3CompLeftTube = new TGeoPcon(0., 360., 5);
2412   z0 = 0.;
2413   shRB26s3CompLeftTube->DefineSection(0, z0,  kRB26s3CompTubeInnerR1, kRB26s3CompTubeOuterR1);
2414   z0 += kRB26s3WeldingTubeLeftL1;
2415   shRB26s3CompLeftTube->DefineSection(1, z0,  kRB26s3CompTubeInnerR1, kRB26s3CompTubeOuterR1);
2416   z0 += kRB26s3WeldingTubeT1;
2417   shRB26s3CompLeftTube->DefineSection(2, z0,  kRB26s3CompTubeInnerR2, kRB26s3CompTubeOuterR2);
2418   z0 += kRB26s3WeldingTubeLeftL2;
2419   shRB26s3CompLeftTube->DefineSection(3, z0,  kRB26s3CompTubeInnerR2, kRB26s3CompTubeOuterR2);
2420   z0 += kRB26s3WeldingTubeT2;
2421   shRB26s3CompLeftTube->DefineSection(4, z0,  kRB26s3CompTubeInnerR3, kRB26s3CompTubeOuterR3);
2422
2423   TGeoVolume* voRB26s3CompLeftTube =
2424     new TGeoVolume("RB26s3CompLeftTube", shRB26s3CompLeftTube, kMedSteel);
2425   voRB26s3Compensator->AddNode(voRB26s3CompLeftTube, 1,  gGeoIdentity);
2426   //
2427   // [Pos 5] Ring
2428   //
2429   TGeoTube* shRB26s3CompRing = new TGeoTube(kRB26s3CompTubeOuterR2, kRB26s3RingOuterR, kRB26s3RingL);
2430   TGeoVolume* voRB26s3CompRing =
2431     new TGeoVolume("RB26s3CompRing", shRB26s3CompRing, kMedSteel);
2432   voRB26s3Compensator->AddNode(voRB26s3CompRing,  1, new TGeoTranslation(0., 0., kRB26s3RingZ + kRB26s3RingL));
2433
2434
2435
2436   ///////////////////////////////////////////
2437   //                                       //
2438   //    RB26/4-5                           //
2439   //    Drawing LHCV2a_0012 [as installed] //
2440   ////////////////////////////////////////////
2441   //    Pos1 Vacuum Tubes        LHCVC2A__0014
2442   //    Pos2 Compensator         LHCVC2A__0066
2443   //    Pos3 Fixed Point Section LHCVC2A__0016
2444   //    Pos4 Split Flange        LHCVFX___0005
2445   //    Pos5 RotableFlange       LHCVFX___0009
2446   ////////////////////////////////////////////
2447
2448   ///////////////////////////////////
2449   //    RB26/4-5 Vacuum Tubes      //
2450   //    Drawing  LHCVC2a_0014      //
2451   ///////////////////////////////////
2452   const Float_t kRB26s45TubeL = 593.12 + 0.3; // 0.3 cm added for welding
2453
2454   TGeoPcon* shRB26s45Tube = new TGeoPcon(0., 360., 11);
2455   // Section 1: straight section
2456   shRB26s45Tube->DefineSection( 0,   0.00, 30.00/2., 30.60/2.);
2457   shRB26s45Tube->DefineSection( 1,   1.20, 30.00/2., 30.60/2.);
2458   shRB26s45Tube->DefineSection( 2,   1.20, 30.00/2., 30.80/2.);
2459   shRB26s45Tube->DefineSection( 3,  25.10, 30.00/2., 30.80/2.);
2460   // Section 2: 0.932 deg opening cone
2461   shRB26s45Tube->DefineSection( 4, 486.10, 45.00/2., 45.80/2.);
2462   // Section 3: straight section 4 mm
2463   shRB26s45Tube->DefineSection( 5, 512.10, 45.00/2., 45.80/2.);
2464   // Section 4: straight section 3 mm
2465   shRB26s45Tube->DefineSection( 6, 512.10, 45.00/2., 45.60/2.);
2466   shRB26s45Tube->DefineSection( 7, 527.70, 45.00/2., 45.60/2.);
2467   // Section 4: closing cone
2468   shRB26s45Tube->DefineSection( 8, 591.30, 10.00/2., 10.60/2.);
2469   shRB26s45Tube->DefineSection( 9, 591.89, 10.00/2., 10.30/2.);
2470
2471   shRB26s45Tube->DefineSection(10, kRB26s45TubeL, 10.00/2., 10.30/2.);
2472   TGeoVolume* voRB26s45Tube  =
2473     new TGeoVolume("RB26s45Tube", shRB26s45Tube, kMedSteel);
2474
2475   TGeoVolume* voRB26s45TubeM  = new TGeoVolume("RB26s45TubeM", MakeMotherFromTemplate(shRB26s45Tube), kMedVac);
2476   voRB26s45TubeM->AddNode(voRB26s45Tube, 1, gGeoIdentity);
2477
2478
2479
2480   ///////////////////////////////////
2481   //    RB26/5   Axial Compensator //
2482   //    Drawing  LHCVC2a_0066      //
2483   ///////////////////////////////////
2484   const Float_t kRB26s5CompL             = 27.60;    // Length of the compensator (0.30 cm added for welding)
2485   const Float_t kRB26s5BellowRo          = 12.48/2.; // Bellow outer radius        [Pos 1]
2486   const Float_t kRB26s5BellowRi          = 10.32/2.; // Bellow inner radius        [Pos 1]
2487   const Int_t   kRB26s5NumberOfPlies     = 15;       // Number of plies            [Pos 1]
2488   const Float_t kRB26s5BellowUndL        = 10.50;    // Length of undulated region [Pos 1]
2489   const Float_t kRB26s5PlieThickness     =  0.025;   // Plie thickness             [Pos 1]
2490   const Float_t kRB26s5ConnectionPlieR   =  0.21;    // Connection plie radius     [Pos 1]
2491   const Float_t kRB26s5ConnectionR       = 11.2/2.;  // Bellow connection radius   [Pos 1]
2492   //  Plie radius
2493   const Float_t kRB26s5PlieR =
2494     (kRB26s5BellowUndL - 4. *  kRB26s5ConnectionPlieR + 2. * kRB26s5PlieThickness +
2495      (2. *  kRB26s5NumberOfPlies - 2.) * kRB26s5PlieThickness) / (4. * kRB26s5NumberOfPlies - 2.);
2496   const Float_t kRB26s5CompTubeInnerR    = 10.00/2.;  // Connection tubes inner radius     [Pos 2 + 3]
2497   const Float_t kRB26s5CompTubeOuterR    = 10.30/2.;  // Connection tubes outer radius     [Pos 2 + 3]
2498   const Float_t kRB26s5WeldingTubeLeftL  =  3.70/2.;  // Left connection tube half length  [Pos 2]
2499   const Float_t kRB26s5WeldingTubeRightL = 13.40/2.;  // Right connection tube half length [Pos 3]   (0.3 cm added for welding)
2500   const Float_t kRB26s5RingInnerR        = 11.2/2.;   // Ring inner radius                 [Pos 4]
2501   const Float_t kRB26s5RingOuterR        = 16.0/2.;   // Ring inner radius                 [Pos 4]
2502   const Float_t kRB26s5RingL             =  0.4/2.;   // Ring half length                  [Pos 4]
2503   const Float_t kRB26s5RingZ             = 14.97;     // Ring z-position                   [Pos 4]
2504   const Float_t kRB26s5ProtOuterR        = 16.2/2.;   // Protection tube outer radius      [Pos 5]
2505   const Float_t kRB26s5ProtL             = 13.0/2.;   // Protection tube half length       [Pos 5]
2506   const Float_t kRB26s5ProtZ             =  2.17;     // Protection tube z-position        [Pos 5]
2507   const Float_t kRB26s5DetailZR          = 11.3/2.;   // Detail Z max radius
2508
2509
2510   // Mother volume
2511   //
2512   TGeoPcon* shRB26s5Compensator  = new TGeoPcon(0., 360., 8);
2513   shRB26s5Compensator->DefineSection( 0,   0.0,                                                  0., kRB26s5CompTubeOuterR);
2514   shRB26s5Compensator->DefineSection( 1,   kRB26s5ProtZ,                                         0., kRB26s5CompTubeOuterR);
2515   shRB26s5Compensator->DefineSection( 2,   kRB26s5ProtZ,                                         0., kRB26s5ProtOuterR);
2516   shRB26s5Compensator->DefineSection( 3,   kRB26s5ProtZ + 2. * kRB26s5ProtL + 2. * kRB26s5RingL, 0., kRB26s5ProtOuterR);
2517   shRB26s5Compensator->DefineSection( 4,   kRB26s5ProtZ + 2. * kRB26s5ProtL + 2. * kRB26s5RingL, 0., kRB26s5DetailZR);
2518   shRB26s5Compensator->DefineSection( 5,   kRB26s5CompL - 8.,                                    0., kRB26s5DetailZR);
2519   shRB26s5Compensator->DefineSection( 6,   kRB26s5CompL - 8.,                                    0., kRB26s5CompTubeOuterR);
2520   shRB26s5Compensator->DefineSection( 7,   kRB26s5CompL,                                         0., kRB26s5CompTubeOuterR);
2521   TGeoVolume* voRB26s5Compensator  = new TGeoVolume("RB26s5Compensator", shRB26s5Compensator, kMedVac);
2522
2523   //
2524   // [Pos 1] Bellow
2525   //
2526   //
2527   TGeoVolume* voRB26s5Bellow = new TGeoVolume("RB26s5Bellow",
2528                                               new TGeoTube(kRB26s5BellowRi, kRB26s5BellowRo, kRB26s5BellowUndL/2.), kMedVac);
2529   //
2530   //  Upper part of the undulation
2531   //
2532   TGeoTorus* shRB26s5PlieTorusU  =  new TGeoTorus(kRB26s5BellowRo - kRB26s5PlieR, kRB26s5PlieR - kRB26s5PlieThickness, kRB26s5PlieR);
2533   shRB26s5PlieTorusU->SetName("RB26s5TorusU");
2534   TGeoTube*  shRB26s5PlieTubeU   =  new TGeoTube (kRB26s5BellowRo - kRB26s5PlieR, kRB26s5BellowRo, kRB26s5PlieR);
2535   shRB26s5PlieTubeU->SetName("RB26s5TubeU");
2536   TGeoCompositeShape*  shRB26s5UpperPlie = new TGeoCompositeShape("RB26s5UpperPlie", "RB26s5TorusU*RB26s5TubeU");
2537
2538   TGeoVolume* voRB26s5WiggleU = new TGeoVolume("RB26s5UpperPlie", shRB26s5UpperPlie, kMedSteel);
2539   //
2540   // Lower part of the undulation
2541   TGeoTorus* shRB26s5PlieTorusL =  new TGeoTorus(kRB26s5BellowRi + kRB26s5PlieR, kRB26s5PlieR - kRB26s5PlieThickness, kRB26s5PlieR);
2542   shRB26s5PlieTorusL->SetName("RB26s5TorusL");
2543   TGeoTube*  shRB26s5PlieTubeL   =  new TGeoTube (kRB26s5BellowRi, kRB26s5BellowRi + kRB26s5PlieR, kRB26s5PlieR);
2544   shRB26s5PlieTubeL->SetName("RB26s5TubeL");
2545   TGeoCompositeShape*  shRB26s5LowerPlie = new TGeoCompositeShape("RB26s5LowerPlie", "RB26s5TorusL*RB26s5TubeL");
2546
2547   TGeoVolume* voRB26s5WiggleL = new TGeoVolume("RB26s5LowerPlie", shRB26s5LowerPlie, kMedSteel);
2548
2549   //
2550   // Connection between upper and lower part of undulation
2551   TGeoVolume* voRB26s5WiggleC1 = new TGeoVolume("RB26s5PlieConn1",
2552                                                 new TGeoTube(kRB26s5BellowRi + kRB26s5PlieR,
2553                                                              kRB26s5BellowRo - kRB26s5PlieR, kRB26s5PlieThickness / 2.), kMedSteel);
2554   //
2555   // One wiggle
2556   TGeoVolumeAssembly* voRB26s5Wiggle = new TGeoVolumeAssembly("RB26s5Wiggle");
2557   z0 =  -  kRB26s5PlieThickness / 2.;
2558   voRB26s5Wiggle->AddNode(voRB26s5WiggleC1,  1 , new TGeoTranslation(0., 0., z0));
2559   z0 += kRB26s5PlieR -  kRB26s5PlieThickness / 2.;
2560   voRB26s5Wiggle->AddNode(voRB26s5WiggleU,   1 , new TGeoTranslation(0., 0., z0));
2561   z0 += kRB26s5PlieR -  kRB26s5PlieThickness / 2.;
2562   voRB26s5Wiggle->AddNode(voRB26s5WiggleC1,  2 , new TGeoTranslation(0., 0., z0));
2563   z0 += kRB26s5PlieR -  kRB26s5PlieThickness;
2564   voRB26s5Wiggle->AddNode(voRB26s5WiggleL ,  1 , new TGeoTranslation(0., 0., z0));
2565   // Positioning of the volumes
2566   z0   = - kRB26s5BellowUndL/2.+ kRB26s5ConnectionPlieR;
2567   voRB26s5Bellow->AddNode(voRB26s5WiggleL, 1, new TGeoTranslation(0., 0., z0));
2568   z0  +=  kRB26s5ConnectionPlieR;
2569   zsh  = 4. *  kRB26s5PlieR -  2. * kRB26s5PlieThickness;
2570   for (Int_t iw = 0; iw < kRB26s5NumberOfPlies; iw++) {
2571     Float_t zpos =  z0 + iw * zsh;
2572     voRB26s5Bellow->AddNode(voRB26s5Wiggle,  iw + 1, new TGeoTranslation(0., 0., zpos -  kRB26s5PlieThickness));
2573   }
2574
2575   voRB26s5Compensator->AddNode(voRB26s5Bellow, 1,  new TGeoTranslation(0., 0., 2. * kRB26s5WeldingTubeLeftL + kRB26s5BellowUndL/2.));
2576
2577   //
2578   // [Pos 2] Left Welding Tube
2579   //
2580   TGeoPcon* shRB26s5CompLeftTube = new TGeoPcon(0., 360., 3);
2581   z0 = 0;
2582   shRB26s5CompLeftTube->DefineSection(0, z0, kRB26s5CompTubeInnerR, kRB26s5CompTubeOuterR);
2583   z0 += 2 * kRB26s5WeldingTubeLeftL - ( kRB26s5ConnectionR - kRB26s5CompTubeOuterR);
2584   shRB26s5CompLeftTube->DefineSection(1, z0, kRB26s5CompTubeInnerR, kRB26s5CompTubeOuterR);
2585   z0 += ( kRB26s5ConnectionR - kRB26s5CompTubeOuterR);
2586   shRB26s5CompLeftTube->DefineSection(2, z0, kRB26s5ConnectionR - 0.15, kRB26s5ConnectionR);
2587   TGeoVolume* voRB26s5CompLeftTube = new TGeoVolume("RB26s5CompLeftTube", shRB26s5CompLeftTube, kMedSteel);
2588   voRB26s5Compensator->AddNode(voRB26s5CompLeftTube, 1,  gGeoIdentity);
2589   //
2590   // [Pos 3] Right Welding Tube
2591   //
2592   TGeoPcon* shRB26s5CompRightTube = new TGeoPcon(0., 360., 11);
2593   // Detail Z
2594   shRB26s5CompRightTube->DefineSection( 0, 0.  , kRB26s5CompTubeInnerR + 0.22, 11.2/2.);
2595   shRB26s5CompRightTube->DefineSection( 1, 0.05, kRB26s5CompTubeInnerR + 0.18, 11.2/2.);
2596   shRB26s5CompRightTube->DefineSection( 2, 0.22, kRB26s5CompTubeInnerR       , 11.2/2. - 0.22);
2597   shRB26s5CompRightTube->DefineSection( 3, 0.44, kRB26s5CompTubeInnerR       , 11.2/2.);
2598   shRB26s5CompRightTube->DefineSection( 4, 1.70, kRB26s5CompTubeInnerR       , 11.2/2.);
2599   shRB26s5CompRightTube->DefineSection( 5, 2.10, kRB26s5CompTubeInnerR       , kRB26s5CompTubeOuterR);
2600   shRB26s5CompRightTube->DefineSection( 6, 2.80, kRB26s5CompTubeInnerR       , kRB26s5CompTubeOuterR);
2601   shRB26s5CompRightTube->DefineSection( 7, 2.80, kRB26s5CompTubeInnerR       , 11.3/2.);
2602   shRB26s5CompRightTube->DefineSection( 8, 3.40, kRB26s5CompTubeInnerR       , 11.3/2.);
2603   // Normal pipe
2604   shRB26s5CompRightTube->DefineSection( 9, 3.50, kRB26s5CompTubeInnerR       , kRB26s5CompTubeOuterR);
2605   shRB26s5CompRightTube->DefineSection(10, 2. * kRB26s5WeldingTubeRightL, kRB26s5CompTubeInnerR, kRB26s5CompTubeOuterR);
2606
2607   TGeoVolume* voRB26s5CompRightTube =
2608     new TGeoVolume("RB26s5CompRightTube", shRB26s5CompRightTube, kMedSteel);
2609   voRB26s5Compensator->AddNode(voRB26s5CompRightTube,  1,
2610                                new TGeoTranslation(0., 0.,  kRB26s5CompL - 2. * kRB26s5WeldingTubeRightL));
2611   //
2612   // [Pos 4] Ring
2613   //
2614   TGeoTube* shRB26s5CompRing = new TGeoTube(kRB26s5RingInnerR, kRB26s5RingOuterR, kRB26s5RingL);
2615   TGeoVolume* voRB26s5CompRing =
2616     new TGeoVolume("RB26s5CompRing", shRB26s5CompRing, kMedSteel);
2617   voRB26s5Compensator->AddNode(voRB26s5CompRing,  1, new TGeoTranslation(0., 0., kRB26s5RingZ + kRB26s5RingL));
2618
2619   //
2620   // [Pos 5] Outer Protecting Tube
2621   //
2622   TGeoTube* shRB26s5CompProtTube = new TGeoTube(kRB26s5RingOuterR, kRB26s5ProtOuterR, kRB26s5ProtL);
2623   TGeoVolume* voRB26s5CompProtTube =
2624     new TGeoVolume("RB26s5CompProtTube", shRB26s5CompProtTube, kMedSteel);
2625   voRB26s5Compensator->AddNode(voRB26s5CompProtTube, 1,  new TGeoTranslation(0., 0., kRB26s5ProtZ + kRB26s5ProtL));
2626
2627   ///////////////////////////////////////
2628   //    RB26/4   Fixed Point Section   //
2629   //    Drawing  LHCVC2a_0016          //
2630   ///////////////////////////////////////
2631   const Float_t kRB26s4TubeRi            =  30.30/2. ; // Tube inner radius  (0.3 cm added for welding)
2632   const Float_t kRB26s4TubeRo            =  30.60/2. ; // Tube outer radius
2633   const Float_t kRB26s4FixedPointL       =  12.63    ; // Length of the fixed point section
2634   const Float_t kRB26s4FixedPointZ       =  10.53    ; // Position of the ring (0.15 added for welding)
2635   const Float_t kRB26s4FixedPointD       =   0.595   ; // Width of the ring
2636   const Float_t kRB26s4FixedPointR       =  31.60/2. ; // Radius of the ring
2637
2638   TGeoPcon* shRB26s4FixedPoint = new TGeoPcon(0., 360., 6);
2639   z0 = 0.;
2640   shRB26s4FixedPoint->DefineSection(0, z0, kRB26s4TubeRi, kRB26s4TubeRo);
2641   z0 += kRB26s4FixedPointZ;
2642   shRB26s4FixedPoint->DefineSection(1, z0, kRB26s4TubeRi, kRB26s4TubeRo);
2643   shRB26s4FixedPoint->DefineSection(2, z0, kRB26s4TubeRi, kRB26s4FixedPointR);
2644   z0 += kRB26s4FixedPointD;
2645   shRB26s4FixedPoint->DefineSection(3, z0, kRB26s4TubeRi, kRB26s4FixedPointR);
2646   shRB26s4FixedPoint->DefineSection(4, z0, kRB26s4TubeRi, kRB26s4TubeRo);
2647   z0 = kRB26s4FixedPointL;
2648   shRB26s4FixedPoint->DefineSection(5, z0, kRB26s4TubeRi, kRB26s4TubeRo);
2649   TGeoVolume* voRB26s4FixedPoint = new TGeoVolume("RB26s4FixedPoint", shRB26s4FixedPoint, kMedSteel);
2650
2651   TGeoVolume* voRB26s4FixedPointM = new TGeoVolume("RB26s4FixedPointM", MakeMotherFromTemplate(shRB26s4FixedPoint), kMedVac);
2652   voRB26s4FixedPointM->AddNode(voRB26s4FixedPoint, 1, gGeoIdentity);
2653
2654
2655   ///////////////////////////////////////
2656   //    RB26/4   Split Flange          //
2657   //    Drawing  LHCVFX__0005          //
2658   ///////////////////////////////////////
2659   const Float_t kRB26s4SFlangeL      =  2.99;        // Length of the flange
2660   const Float_t kRB26s4SFlangeD1     =  0.85;        // Length of section 1
2661   const Float_t kRB26s4SFlangeD2     =  0.36;        // Length of section 2
2662   const Float_t kRB26s4SFlangeD3     =  0.73 + 1.05; // Length of section 3
2663   const Float_t kRB26s4SFlangeRo     = 36.20/2.;     // Flange outer radius
2664   const Float_t kRB26s4SFlangeRi1    = 30.60/2.;     // Flange inner radius section 1
2665   const Float_t kRB26s4SFlangeRi2    = 30.00/2.;     // Flange inner radius section 2
2666   const Float_t kRB26s4SFlangeRi3    = 30.60/2.;     // Flange inner radius section 3
2667   z0 = 0;
2668   TGeoPcon* shRB26s4SFlange = new TGeoPcon(0., 360., 6);
2669   z0 = 0.;
2670   shRB26s4SFlange->DefineSection(0, z0, kRB26s4SFlangeRi1, kRB26s4SFlangeRo);
2671   z0 += kRB26s4SFlangeD1;
2672   shRB26s4SFlange->DefineSection(1, z0, kRB26s4SFlangeRi1, kRB26s4SFlangeRo);
2673   shRB26s4SFlange->DefineSection(2, z0, kRB26s4SFlangeRi2, kRB26s4SFlangeRo);
2674   z0 += kRB26s4SFlangeD2;
2675   shRB26s4SFlange->DefineSection(3, z0, kRB26s4SFlangeRi2, kRB26s4SFlangeRo);
2676   shRB26s4SFlange->DefineSection(4, z0, kRB26s4SFlangeRi3, kRB26s4SFlangeRo);
2677   z0 += kRB26s4SFlangeD3;
2678   shRB26s4SFlange->DefineSection(5, z0, kRB26s4SFlangeRi3, kRB26s4SFlangeRo);
2679   TGeoVolume* voRB26s4SFlange = new TGeoVolume("RB26s4SFlange", shRB26s4SFlange, kMedSteel);
2680
2681   TGeoVolume* voRB26s4SFlangeM = new TGeoVolume("RB26s4SFlangeM", MakeMotherFromTemplate(shRB26s4SFlange, 0, 3), kMedVac);
2682   voRB26s4SFlangeM->AddNode(voRB26s4SFlange, 1, gGeoIdentity);
2683
2684   ///////////////////////////////////////
2685   //    RB26/5   Rotable Flange        //
2686   //    Drawing  LHCVFX__0009          //
2687   ///////////////////////////////////////
2688   const Float_t kRB26s5RFlangeL      =  1.86;    // Length of the flange
2689   const Float_t kRB26s5RFlangeD1     =  0.61;    // Length of section 1
2690   const Float_t kRB26s5RFlangeD2     =  0.15;    // Length of section 2
2691   const Float_t kRB26s5RFlangeD3     =  0.60;    // Length of section 3
2692   const Float_t kRB26s5RFlangeD4     =  0.50;    // Length of section 4
2693   const Float_t kRB26s5RFlangeRo     = 15.20/2.; // Flange outer radius
2694   const Float_t kRB26s5RFlangeRi1    = 10.30/2.; // Flange inner radius section 1
2695   const Float_t kRB26s5RFlangeRi2    = 10.00/2.; // Flange inner radius section 2
2696   const Float_t kRB26s5RFlangeRi3    = 10.30/2.; // Flange inner radius section 3
2697   const Float_t kRB26s5RFlangeRi4    = 10.50/2.; // Flange inner radius section 4
2698
2699   z0 = 0;
2700   TGeoPcon* shRB26s5RFlange = new TGeoPcon(0., 360., 8);
2701   z0 = 0.;
2702   shRB26s5RFlange->DefineSection(0, z0, kRB26s5RFlangeRi4, kRB26s5RFlangeRo);
2703   z0 += kRB26s5RFlangeD4;
2704   shRB26s5RFlange->DefineSection(1, z0, kRB26s5RFlangeRi4, kRB26s5RFlangeRo);
2705   shRB26s5RFlange->DefineSection(2, z0, kRB26s5RFlangeRi3, kRB26s5RFlangeRo);
2706   z0 += kRB26s5RFlangeD3;
2707   shRB26s5RFlange->DefineSection(3, z0, kRB26s5RFlangeRi3, kRB26s5RFlangeRo);
2708   shRB26s5RFlange->DefineSection(4, z0, kRB26s5RFlangeRi2, kRB26s5RFlangeRo);
2709   z0 += kRB26s5RFlangeD2;
2710   shRB26s5RFlange->DefineSection(5, z0, kRB26s5RFlangeRi2, kRB26s5RFlangeRo);
2711   shRB26s5RFlange->DefineSection(6, z0, kRB26s5RFlangeRi1, kRB26s5RFlangeRo);
2712   z0 += kRB26s5RFlangeD1;
2713   shRB26s5RFlange->DefineSection(7, z0, kRB26s5RFlangeRi1, kRB26s5RFlangeRo);
2714   TGeoVolume* voRB26s5RFlange = new TGeoVolume("RB26s5RFlange", shRB26s5RFlange, kMedSteel);
2715
2716   TGeoVolume* voRB26s5RFlangeM = new TGeoVolume("RB26s5RFlangeM", MakeMotherFromTemplate(shRB26s5RFlange, 4, 7), kMedVac);
2717   voRB26s5RFlangeM->AddNode(voRB26s5RFlange, 1, gGeoIdentity);
2718
2719   //
2720   // Assemble RB26/1-2
2721   //
2722   TGeoVolumeAssembly* asRB26s12 = new TGeoVolumeAssembly("RB26s12");
2723   z0 = 0.;
2724   asRB26s12->AddNode(voRB26s1RFlange,       1, gGeoIdentity);
2725   z0 += kRB26s1RFlangeIsL + kRB26s1RFlangeFpL;
2726   asRB26s12->AddNode(voRB26s12TubeM,         1, new TGeoTranslation(0., 0., z0));
2727   z0 += kRB26s12TubeL;
2728   asRB26s12->AddNode(voRB26s2Compensator,   1, new TGeoTranslation(0., 0., z0));
2729   z0 += kRB26s2CompL;
2730   z0 -= kRB26s2FFlangeD1;
2731   asRB26s12->AddNode(voRB26s2FFlangeM,       1, new TGeoTranslation(0., 0., z0));
2732   z0 += kRB26s2FFlangeL;
2733   const Float_t kRB26s12L = z0;
2734
2735   //
2736   // Assemble RB26/3
2737   //
2738   TGeoVolumeAssembly* asRB26s3 = new TGeoVolumeAssembly("RB26s3");
2739   z0 = 0.;
2740   asRB26s3->AddNode(voRB26s3SFlangeM,      1, gGeoIdentity);
2741   z0 +=  kRB26s3SFlangeL;
2742   z0 -=  kRB26s3SFlangeD3;
2743   asRB26s3->AddNode(voRB26s3FixedPointM,   1, new TGeoTranslation(0., 0., z0));
2744   z0 += kRB26s3FixedPointL;
2745   asRB26s3->AddNode(voRB26s3TubeM,         1, new TGeoTranslation(0., 0., z0));
2746   z0 += kRB26s3TubeL;
2747   asRB26s3->AddNode(voRB26s3Compensator,   1, new TGeoTranslation(0., 0., z0));
2748   z0 += kRB26s3CompL;
2749   z0 -= kRB26s3FFlangeD1;
2750   asRB26s3->AddNode(voRB26s3FFlangeM,      1, new TGeoTranslation(0., 0., z0));
2751   z0 += kRB26s3FFlangeL;
2752   const Float_t kRB26s3L = z0;
2753
2754
2755   //
2756   // Assemble RB26/4-5
2757   //
2758   TGeoVolumeAssembly* asRB26s45 = new TGeoVolumeAssembly("RB26s45");
2759   z0 = 0.;
2760   asRB26s45->AddNode(voRB26s4SFlangeM,       1, gGeoIdentity);
2761   z0 +=  kRB26s4SFlangeL;
2762   z0 -=  kRB26s4SFlangeD3;
2763   asRB26s45->AddNode(voRB26s4FixedPointM,    1, new TGeoTranslation(0., 0., z0));
2764   z0 += kRB26s4FixedPointL;
2765   asRB26s45->AddNode(voRB26s45TubeM,         1, new TGeoTranslation(0., 0., z0));
2766   z0 += kRB26s45TubeL;
2767   asRB26s45->AddNode(voRB26s5Compensator,    1, new TGeoTranslation(0., 0., z0));
2768   z0 += kRB26s5CompL;
2769   z0 -= kRB26s5RFlangeD3;
2770   z0 -= kRB26s5RFlangeD4;
2771   asRB26s45->AddNode(voRB26s5RFlangeM,       1, new TGeoTranslation(0., 0., z0));
2772   z0 += kRB26s5RFlangeL;
2773   const Float_t kRB26s45L = z0;
2774
2775   //
2776   // Assemble RB26
2777   //
2778   TGeoVolumeAssembly* asRB26Pipe = new TGeoVolumeAssembly("RB26Pipe");
2779   z0 = 0.;
2780   asRB26Pipe->AddNode(asRB26s12,       1, new TGeoTranslation(0., 0., z0));
2781   z0 +=  kRB26s12L;
2782   asRB26Pipe->AddNode(asRB26s3,        1, new TGeoTranslation(0., 0., z0));
2783   z0 +=  kRB26s3L;
2784   asRB26Pipe->AddNode(asRB26s45,       1, new TGeoTranslation(0., 0., z0));
2785   z0 +=  kRB26s45L;
2786   top->AddNode(asRB26Pipe, 1, new TGeoCombiTrans(0., 0., -82., rot180));
2787 }
2788
2789
2790
2791 //___________________________________________
2792 void AliPIPEv4::CreateMaterials()
2793 {
2794   //
2795   // Define materials for beam pipe
2796   //
2797
2798   AliDebugClass(1,"Create PIPEv4 materials");
2799   Int_t   isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ();
2800   Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max();
2801   // Steel (Inox)
2802   Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
2803   Float_t zsteel[4] = { 26.,24.,28.,14. };
2804   Float_t wsteel[4] = { .715,.18,.1,.005 };
2805   // AlBe - alloy
2806   Float_t aAlBe[2] = { 26.98, 9.01};             // al=2.702 be=1.8477
2807   Float_t zAlBe[2] = { 13.00, 4.00};
2808   Float_t wAlBe[2] = { 0.4, 0.6};
2809   //
2810   // Polyamid
2811   Float_t aPA[4] = {16., 14., 12.,  1.};
2812   Float_t zPA[4] = { 8.,  7.,  6.,  1.};
2813   Float_t wPA[4] = { 1.,  1.,  6., 11.};
2814   //
2815   // Air
2816   //
2817   Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
2818   Float_t zAir[4]={6.,7.,8.,18.};
2819   Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
2820   Float_t dAir = 1.20479E-3;
2821   Float_t dAir1 = 1.20479E-10;
2822   //
2823   // Insulation powder
2824   //                    Si         O       Ti     Al
2825   Float_t ains[4] ={28.0855, 15.9994, 47.867,  26.982};
2826   Float_t zins[4] ={14.,      8.    , 22.   ,  13.   };
2827   Float_t wins[4] ={ 0.3019,  0.4887,  0.1914,  0.018};
2828   //
2829   //
2830   // Anticorodal
2831   //
2832   // Al Si7 Mg 0.6
2833   //
2834   Float_t aaco[3] ={26.982, 28.0855, 24.035};
2835   Float_t zaco[3] ={13.,    14.    , 12.   };
2836   Float_t waco[3] ={ 0.924,  0.07,  0.006};
2837   // Kapton
2838   //
2839   Float_t aKapton[4]={1.00794,12.0107, 14.010,15.9994};
2840   Float_t zKapton[4]={1.,6.,7.,8.};
2841   Float_t wKapton[4]={0.026362,0.69113,0.07327,0.209235};
2842   Float_t dKapton = 1.42;
2843   // NEG coating
2844   //                  Ti     V      Zr
2845   Float_t aNEG[4] = {47.87, 50.94, 91.24};
2846   Float_t zNEG[4] = {22.00, 23.00, 40.00};
2847   Float_t wNEG[4] = {1./3., 1./3., 1./3.};
2848   Float_t dNEG = 5.6; // ?
2849
2850   //---------------------------------
2851   // Aluminium AA 5083 for MFT: Al Manganese(Mn) Magnesium(Mg) Chrome(Cr)
2852   Float_t aALU5083[4]={26.982, 54.938, 24.305, 51.996};  // Mg pas meme a que la ligne Anticorodal!
2853   Float_t zALU5083[4] ={13., 25., 12., 24.};
2854   Float_t wALU5083[4] ={0.947, 0.007, 0.044, 0.0015};
2855   // Aluminium AA 2219 for MFT: Al Cu Mn Ti V Zr
2856   Float_t aALU2219[6]={26.982, 63.546, 54.938, 47.867, 50.941, 91.224};
2857   Float_t zALU2219[6] ={13., 29., 25., 22., 23., 40.};
2858   Float_t wALU2219[6] ={0.93, 0.063, 0.003, 0.0006, 0.001, 0.0018};
2859   //---------------------------------
2860
2861   //
2862   // Silicon for ITS UPGRADE
2863   AliMaterial(2,  "SILICON$",28.09 , 14.00 , 2.33 , 9.36 , 45.);
2864
2865   //
2866   //     Berillium
2867   AliMaterial(5, "BERILLIUM$", 9.01, 4., 1.848, 35.3, 36.7);
2868   //
2869   //     Carbon
2870   AliMaterial(6,  "CARBON$   ", 12.01, 6., 2.265, 18.8, 49.9);
2871   //
2872   //     Aluminum
2873   AliMaterial(9,  "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
2874   //
2875   //     Copper
2876   AliMaterial(10, "COPPER", 63.55, 29, 8.96, 1.43, 85.6/8.96);
2877   //
2878   //     Air
2879   AliMixture(15, "AIR$      ", aAir, zAir, dAir, 4, wAir);
2880   AliMixture(35, "AIR_HIGH$ ", aAir, zAir, dAir, 4, wAir);
2881   //
2882   //     Vacuum
2883   AliMixture(16, "VACUUM$ ", aAir, zAir, dAir1, 4, wAir);
2884   //
2885   //     stainless Steel
2886   AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
2887   //
2888   //     reduced density steel to approximate pump getter material
2889   AliMixture(20, "GETTER$", asteel, zsteel, 1.00, 4, wsteel);
2890   //     Al-Be alloy
2891   //
2892   AliMixture(21, "AlBe$", aAlBe, zAlBe, 2.07, 2, wAlBe);
2893   //     Polyamid
2894   //
2895   AliMixture(22, "PA$", aPA, zPA, 1.14, -4, wPA);
2896   //
2897   //     Kapton
2898   AliMixture(23, "KAPTON", aKapton, zKapton, dKapton, 4, wKapton);
2899   // Anticorodal
2900   AliMixture(24, "ANTICORODAL", aaco, zaco, 2.66, 3, waco);
2901
2902   //
2903   //     Insulation powder
2904   AliMixture(14, "INSULATION0$", ains, zins, 0.41, 4, wins);
2905   AliMixture(34, "INSULATION1$", ains, zins, 0.41, 4, wins);
2906   AliMixture(54, "INSULATION2$", ains, zins, 0.41, 4, wins);
2907
2908   //    NEG
2909   AliMixture(25, "NEG COATING", aNEG, zNEG, dNEG, -3, wNEG);
2910
2911   //---------------------------------
2912   //  Aluminium AA5083 for MFT
2913   AliMixture(63, "ALUMINIUM5083$",aALU5083,zALU5083, 2.66 ,4,wALU5083); // from aubertduval.fr
2914   // Aluminium AA2219 for MFT
2915   AliMixture(64, "ALUMINIUM2219$",aALU2219,zALU2219, 2.84 ,6,wALU2219); // from aubertduval.fr
2916   //---------------------------------
2917
2918   // ****************
2919   //     Defines tracking media parameters.
2920   //
2921   Float_t epsil  = .001;    // Tracking precision,
2922   Float_t stemax = -0.01;   // Maximum displacement for multiple scat
2923   Float_t tmaxfd = -20.;    // Maximum angle due to field deflection
2924   Float_t deemax = -.3;     // Maximum fractional energy loss, DLS
2925   Float_t stmin  = -.8;
2926   // ***************
2927   //
2928   // Silicon for ITS UPGRADE
2929   AliMedium(2,  "SILICON",   2, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2930
2931
2932   //    Beryllium
2933
2934   AliMedium(5, "BE",       5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2935
2936   //    Carbon
2937   AliMedium(6, "C",        6, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2938   //
2939   //    Aluminum
2940   AliMedium(9, "ALU",      9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2941   //    Copper
2942   AliMedium(10, "CU",      10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2943   //
2944   //    Air
2945   AliMedium(15, "AIR",     15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2946   AliMedium(35, "AIR_HIGH",35, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2947   //
2948   //    Vacuum
2949   AliMedium(16, "VACUUM", 16, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2950   //
2951   //    Steel
2952   AliMedium(19, "INOX",   19, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2953   //
2954   //    Getter
2955   AliMedium(20, "GETTER", 20, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2956   //
2957   //   AlBe - Aloy
2958   AliMedium(21, "AlBe"  , 21, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2959   //
2960   //   Polyamid
2961   AliMedium(22, "PA"  ,   22, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2962   //   Antocorodal
2963   AliMedium(24, "ANTICORODAL",   24, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2964   //    Insulation Powder
2965   AliMedium(14, "INS_C0          ", 14, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2966   AliMedium(34, "INS_C1          ", 34, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2967   AliMedium(54, "INS_C2          ", 54, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2968   //
2969   //   KAPTON
2970   AliMedium(23, "KAPTON", 23, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2971
2972   //
2973   //   NEG
2974   AliMedium(25, "NEG COATING", 25, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2975
2976   //----------------- for the MFT ----------------------
2977   AliMedium(63,"AA5083", 63, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2978   AliMedium(64,"AA2219", 64, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2979   //----------------------------------------------------
2980
2981
2982 }
2983
2984
2985 TGeoPcon* AliPIPEv4::MakeMotherFromTemplate(TGeoPcon* shape, Int_t imin, Int_t imax, Float_t r0, Int_t nz)
2986 {
2987   //
2988   //  Create a mother shape from a template setting some min radii to 0
2989   //
2990   Int_t nz0 = shape->GetNz();
2991   // if nz > -1 the number of planes is given by nz
2992   if (nz != -1) nz0 = nz;
2993   TGeoPcon* mother = new TGeoPcon(0., 360., nz0);
2994
2995   if (imin == -1 || imax == -1) {
2996     imin = 0;
2997     imax = shape->GetNz();
2998   } else if (imax >= nz0) {
2999     imax = nz0 - 1;
3000     printf("Warning: imax reset to nz-1 %5d %5d %5d %5d\n", imin, imax, nz, nz0);
3001   }
3002
3003
3004
3005   for (Int_t i = 0;  i < shape->GetNz(); i++) {
3006     Double_t rmin = shape->GetRmin(i);
3007     if ((i >= imin) && (i <= imax) ) rmin = r0;
3008     Double_t rmax = shape->GetRmax(i);
3009     Double_t    z = shape->GetZ(i);
3010     mother->DefineSection(i, z, rmin, rmax);
3011   }
3012   return mother;
3013
3014 }
3015
3016 TGeoPcon* AliPIPEv4::MakeInsulationFromTemplate(TGeoPcon* shape)
3017 {
3018   //
3019   //  Create an beam pipe insulation layer shape from a template
3020   //
3021   Int_t nz = shape->GetNz();
3022   TGeoPcon* insu = new TGeoPcon(0., 360., nz);
3023
3024   for (Int_t i = 0;  i < nz; i++) {
3025     Double_t    z = shape->GetZ(i);
3026     Double_t rmin = shape->GetRmin(i);
3027     Double_t rmax = shape->GetRmax(i);
3028     rmax += 0.5;
3029     shape->DefineSection(i, z, rmin, rmax);
3030     rmin  = rmax - 0.5;
3031     insu->DefineSection(i, z, rmin, rmax);
3032   }
3033   return insu;
3034
3035 }
3036
3037
3038 TGeoVolume* AliPIPEv4::MakeBellow(const char* ext, Int_t nc, Float_t rMin, Float_t rMax, Float_t dU, Float_t rPlie, Float_t dPlie)
3039 {
3040   // nc     Number of convolution
3041   // rMin   Inner radius of the bellow
3042   // rMax   Outer radius of the bellow
3043   // dU     Undulation length
3044   // rPlie  Plie radius
3045   // dPlie  Plie thickness
3046   const TGeoMedium* kMedVac    =  gGeoManager->GetMedium("PIPE_VACUUM");
3047   //const TGeoMedium* kMedSteel  =  gGeoManager->GetMedium("PIPE_INOX");
3048   const TGeoMedium* kMedAlu5083 =  gGeoManager->GetMedium("PIPE_AA5083"); //FM
3049
3050   char name[64], nameA[64], nameB[64], bools[64];
3051   snprintf(name, 64, "%sBellowUS", ext);
3052   TGeoVolume* voBellow = new TGeoVolume(name, new TGeoTube(rMin, rMax, dU/2.), kMedVac);
3053   //
3054   //  Upper part of the undulation
3055   //
3056   TGeoTorus* shPlieTorusU  =  new TGeoTorus(rMax - rPlie, rPlie - dPlie, rPlie);
3057   snprintf(nameA, 64, "%sTorusU", ext);
3058   shPlieTorusU->SetName(nameA);
3059   TGeoTube*  shPlieTubeU   =  new TGeoTube (rMax - rPlie, rMax, rPlie);
3060   snprintf(nameB, 64, "%sTubeU", ext);
3061   shPlieTubeU->SetName(nameB);
3062   snprintf(name, 64, "%sUpperPlie", ext);
3063   snprintf(bools, 64, "%s*%s", nameA, nameB);
3064   TGeoCompositeShape*  shUpperPlie = new TGeoCompositeShape(name, bools);
3065
3066   TGeoVolume* voWiggleU = new TGeoVolume(name, shUpperPlie, kMedAlu5083);
3067   voWiggleU->SetLineColor(kOrange+3); //FM
3068   //
3069   // Lower part of the undulation
3070   TGeoTorus* shPlieTorusL =  new TGeoTorus(rMin + rPlie, rPlie - dPlie, rPlie);
3071   snprintf(nameA, 64, "%sTorusL", ext);
3072   shPlieTorusL->SetName(nameA);
3073   TGeoTube*  shPlieTubeL  =  new TGeoTube (rMin, rMin + rPlie, rPlie);
3074   snprintf(nameB, 64, "%sTubeL", ext);
3075   shPlieTubeL->SetName(nameB);
3076   snprintf(name, 64, "%sLowerPlie", ext);
3077   snprintf(bools, 64, "%s*%s", nameA, nameB);
3078   TGeoCompositeShape*  shLowerPlie = new TGeoCompositeShape(name, bools);
3079
3080   TGeoVolume* voWiggleL = new TGeoVolume(name, shLowerPlie, kMedAlu5083);
3081   voWiggleL->SetLineColor(kOrange+3); //FM
3082   //
3083   // Connection between upper and lower part of undulation
3084   snprintf(name, 64, "%sPlieConn1", ext);
3085   TGeoVolume* voWiggleC1 = new TGeoVolume(name, new TGeoTube(rMin + rPlie, rMax - rPlie, dPlie/2.), kMedAlu5083);
3086   voWiggleC1->SetLineColor(kOrange+3); //FM
3087   //
3088   // One wiggle
3089   Float_t dz = rPlie -  dPlie / 2.;
3090   Float_t z0 = -  dPlie / 2.;
3091   snprintf(name, 64, "%sWiggle", ext);
3092   TGeoVolumeAssembly* asWiggle = new TGeoVolumeAssembly(name);
3093
3094   asWiggle->AddNode(voWiggleC1,  1 , new TGeoTranslation(0., 0., z0));
3095   z0 += dz;
3096   asWiggle->AddNode(voWiggleU,   1 , new TGeoTranslation(0., 0., z0));
3097   z0 += dz;
3098   asWiggle->AddNode(voWiggleC1,  2 , new TGeoTranslation(0., 0., z0));
3099   z0 += dz;
3100   asWiggle->AddNode(voWiggleL ,  1 , new TGeoTranslation(0., 0., z0));
3101   // Positioning of the volumes
3102   z0   = - dU / 2.+ rPlie;
3103   voBellow->AddNode(voWiggleL, 2, new TGeoTranslation(0., 0., z0));
3104   z0  +=  rPlie;
3105   Float_t zsh  = 4. *  rPlie -  2. * dPlie;
3106   for (Int_t iw = 0; iw < nc; iw++) {
3107     Float_t zpos =  z0 + iw * zsh;
3108     voBellow->AddNode(asWiggle,  iw + 1, new TGeoTranslation(0., 0., zpos - dPlie));
3109
3110   }
3111   return voBellow;
3112 }
3113
3114