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