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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(1.8),              // outer radius of Be beam pipe
54   fBe(0.08),               // width of Be beam pipe
55   fZ1(44.4),               // beginning of Be beam pipe z location (A side)
56   fZ2(-44.4)               // end of Be beam pipe z location (C side)
57 {
58   // Constructor
59 }
60
61 //_____________________________________________________________________________
62 AliPIPEv4::AliPIPEv4(const char *name, const char *title)
63   : AliPIPE(name,title),
64     fRmax(1.8),              // outer radius of Be beam pipe
65     fBe(0.08),               // width of Be beam pipe
66     fZ1(44.4),               // beginning of beam pipe z location (A side)
67     fZ2(-44.4)               // end of Be beam pipe z location (C side)
68 {
69   // Constructor
70 }
71
72
73  
74 //___________________________________________
75 void AliPIPEv4::CreateGeometry()
76 {
77   AliDebug(1,"Create PIPEv4 geometry");
78   //
79   //  Class describing the beam pipe geometry
80   //
81   Float_t z, zsh, z0;
82   //
83   // Rotation Matrices
84   //
85   const Float_t  kDegRad = TMath::Pi() / 180.;
86   // Rotation by 180 deg
87   TGeoRotation* rot180        = new TGeoRotation("rot180", 90., 180.,  90.,  90., 180.,   0.);
88   TGeoRotation* rotyz         = new TGeoRotation("rotyz",  90., 180.,   0., 180.,  90.,  90.);
89   TGeoRotation* rotxz         = new TGeoRotation("rotxz",   0.,   0.,  90.,  90.,  90., 180.);
90   //TGeoRotation* rot045        = new TGeoRotation("rot045", 90.,  45.,  90., 135.,   0.,   0.);
91   //TGeoRotation* rot135        = new TGeoRotation("rot135", 90. ,135.,  90., 225.,   0.,   0.);
92   //TGeoRotation* rot225        = new TGeoRotation("rot225", 90. ,225.,  90., 315.,   0.,   0.);
93   //TGeoRotation* rot315        = new TGeoRotation("rot315", 90. ,315.,  90.,  45.,   0.,   0.);    
94   //
95   // Media
96   //const TGeoMedium* kMedSi      =  gGeoManager->GetMedium("PIPE_SILICON"); //FM
97   const TGeoMedium* kMedAir     =  gGeoManager->GetMedium("PIPE_AIR");
98   const TGeoMedium* kMedAirHigh =  gGeoManager->GetMedium("PIPE_AIR_HIGH");
99   const TGeoMedium* kMedVac     =  gGeoManager->GetMedium("PIPE_VACUUM");    
100   const TGeoMedium* kMedInsu    =  gGeoManager->GetMedium("PIPE_INS_C0");    
101   const TGeoMedium* kMedSteel   =  gGeoManager->GetMedium("PIPE_INOX");        
102   const TGeoMedium* kMedBe      =  gGeoManager->GetMedium("PIPE_BE");       
103   const TGeoMedium* kMedCu      =  gGeoManager->GetMedium("PIPE_CU");        
104   //const TGeoMedium* kMedKapton  =  gGeoManager->GetMedium("PIPE_KAPTON");        
105   //const TGeoMedium* kMedAco     =  gGeoManager->GetMedium("PIPE_ANTICORODAL");        
106   //const TGeoMedium* kMedNEG     =  gGeoManager->GetMedium("PIPE_NEG COATING"); 
107   //const TGeoMedium* kMedAlu     =  gGeoManager->GetMedium("PIPE_ALU");    // fm       
108   const TGeoMedium* kMedAlu2219 =  gGeoManager->GetMedium("PIPE_AA2219");   // fm     
109   const TGeoMedium* kMedAlu5083 =  gGeoManager->GetMedium("PIPE_AA5083");   // fm    
110     
111   // Top volume
112   TGeoVolume* top    = gGeoManager->GetVolume("ALIC");
113   //
114   //
115   ////////////////////////////////////////////////////////////////////////////////     
116   //                                                                            //
117   //                                  The Central Vacuum system                 // 
118   //                                                                            //
119   ////////////////////////////////////////////////////////////////////////////////
120   //
121   //
122   //  The ALICE central beam-pipe according to drawing         LHCVC2C_0001 
123   //  Drawings of sub-elements:
124   //  
125   //  Pos 7 - Minimised Flange:                                LHCVFX_P0025
126   //  Pos 6 - Standard Flange:                                 STDVFUHV0009
127   //  Pos 8 - Bellow:                                          LHCVBX__0001
128   //
129   //  Absolute z-coordinates -82.0 - 400.0 cm 
130   //  Total length:                                          482.0 cm
131   //  It consists of 3 main parts:
132   //  CP/2 The flange on the non-absorber side:               36.5 cm  
133   //  CP/1 The central Be pipe:                              405.0 cm 
134   //  CP/3 The double-bellow and flange on the absorber side: 40.5 cm 
135
136   //
137   /*
138   //  Starting position in z
139   const Float_t kCPz0      = -400.0;
140   //  Length of the CP/1 section
141   const Float_t kCP1Length =  405.0;    
142   //  Length of the CP/2 section    
143   const Float_t kCP2Length =   36.5;
144   //  Length of the CP/3 section    
145   const Float_t kCP3Length =   40.5;
146   //  Position of the CP/2 section    
147   //    const Float_t kCP2pos    = kCPz0 + kCP2Length / 2.;
148   //  Position of the CP/3 section
149   const Float_t kCP3pos    = kCPz0 + kCP2Length + kCP1Length + kCP3Length/2.;
150   */
151
152
153   //////////////////// NEW BEAM PIPE GEOMETRY FOR MuonForwardTracker , Author: F. Manso /////////////////////////
154   // from https://twiki.cern.ch/twiki/pub/ALICE/MinutesMecanicsIntegration/Minutes_MFT_meeting_BeamPipe_2013_05_13.pdf
155   //------------------------------------------------ Pipe version 4.6 june 2013 -------------------------------------
156
157   Float_t fztube1=fZ2;
158   Float_t fztube2=fZ2+(-15.53-2.0);
159   Float_t fztube3=fztube2+(-1.3);
160   Float_t fztube4=fztube3+(-1.3-3.8);
161   Float_t fztube5=fztube4+(-4.0-3.8);
162   Float_t fzadapt=fztube5+(-1.3);
163
164   //---------------- Be pipe around the IP ----------
165   TGeoPcon* tube0 = new TGeoPcon(0., 360., 2);
166   tube0->DefineSection(0,fZ1,fRmax-fBe,fRmax);
167   tube0->DefineSection(1,fZ2,fRmax-fBe,fRmax);
168   TGeoVolume* votube0 = new TGeoVolume("votube0",tube0,kMedBe);
169   votube0->SetLineColor(kRed);
170   top->AddNode(votube0,1,new TGeoTranslation(0., 0., 0.));
171
172   TGeoPcon* tube0vide = new TGeoPcon(0., 360., 2);
173   tube0vide->DefineSection(0,fZ1, 0.,fRmax-fBe);
174   tube0vide->DefineSection(1,fZ2, 0.,fRmax-fBe);
175   TGeoVolume* votube0vide = new TGeoVolume("votube0vide",tube0vide,kMedVac);
176   votube0vide->SetVisibility(0);votube0vide->SetLineColor(kGreen);
177   top->AddNode(votube0vide,1,new TGeoTranslation(0., 0., 0.));
178   //-------------------------------------------------
179
180
181   //---------------- First Al tube ------------------
182   TGeoPcon* tube1 = new TGeoPcon(0., 360., 2);
183   tube1->DefineSection(0,fztube1, fRmax-fBe,fRmax);
184   tube1->DefineSection(1,fztube1+(-15.53-2.0),fRmax-fBe,fRmax);
185   TGeoVolume* votube1 = new TGeoVolume("votube1",tube1,kMedAlu2219);
186   votube1->SetLineColor(kBlue);
187   top->AddNode(votube1,1,new TGeoTranslation(0., 0., 0.));
188
189   TGeoPcon* tube1vide = new TGeoPcon(0., 360., 2);
190   tube1vide->DefineSection(0,fZ2, 0.,fRmax-fBe);
191   tube1vide->DefineSection(1,fZ2+(-15.53-2.0), 0.,fRmax-fBe);
192   TGeoVolume* votube1vide = new TGeoVolume("votube1vide",tube1vide,kMedVac);
193   votube1vide->SetVisibility(0);votube1vide->SetLineColor(kGreen);
194   top->AddNode(votube1vide,1,new TGeoTranslation(0., 0., 0.));
195   //-------------------------------------------------
196
197
198   //----------- Conical Al tube before bellows ----------
199   TGeoPcon* tube2 = new TGeoPcon(0., 360., 2);
200   tube2->DefineSection(0,fztube2, fRmax-fBe,fRmax);
201   tube2->DefineSection(1,fztube2+(-1.3),2.15-fBe,2.15);
202   TGeoVolume* votube2 = new TGeoVolume("votube2",tube2,kMedAlu2219);
203   votube2->SetLineColor(kBlue);
204   top->AddNode(votube2,1,new TGeoTranslation(0., 0., 0.));
205
206   TGeoPcon* tube2vide = new TGeoPcon(0., 360., 2);
207   tube2vide->DefineSection(0,fztube2, 0., fRmax-fBe);
208   tube2vide->DefineSection(1,fztube2+(-1.3), 0., 2.15-fBe);
209   TGeoVolume* votube2vide = new TGeoVolume("votube2vide",tube2vide,kMedVac);
210   votube2vide->SetVisibility(0);votube2vide->SetLineColor(kGreen); 
211   top->AddNode(votube2vide,1,new TGeoTranslation(0., 0., 0.));
212   //-------------------------------------------------
213
214
215   //---------- Al tube before first bellow ----------
216   TGeoPcon* tube3 = new TGeoPcon(0., 360., 2);
217   tube3->DefineSection(0,fztube3, 2.15-fBe,2.15);
218   tube3->DefineSection(1,fztube3+(-1.3),2.15-fBe,2.15);
219   TGeoVolume* votube3 = new TGeoVolume("votube3",tube3,kMedAlu2219);
220   votube3->SetLineColor(kBlue);
221   top->AddNode(votube3,1,new TGeoTranslation(0., 0., 0.));
222   //-------------------------------------------------
223   //---------- Al tube between the bellows ----------
224   TGeoPcon* tube4 = new TGeoPcon(0., 360., 2);
225   tube4->DefineSection(0,fztube4, 2.15-fBe,2.15);
226   tube4->DefineSection(1,fztube4+(-4.0),2.15-fBe,2.15);
227   TGeoVolume* votube4 = new TGeoVolume("votube4",tube4,kMedAlu2219);
228   votube4->SetLineColor(kBlue);
229   top->AddNode(votube4,1,new TGeoTranslation(0., 0., 0.));
230   //-------------------------------------------------
231   //-------- Al tube after the second bellow --------
232   TGeoPcon* tube5 = new TGeoPcon(0., 360., 2);
233   tube5->DefineSection(0,fztube5, 2.15-fBe,2.15);
234   tube5->DefineSection(1,fztube5+(-1.3),2.15-fBe,2.15);
235   TGeoVolume* votube5 = new TGeoVolume("votube5",tube5,kMedAlu2219);
236   votube5->SetLineColor(kBlue);
237   top->AddNode(votube5,1,new TGeoTranslation(0., 0., 0.));
238   //-------------------------------------------------
239   //---- One empty tube inside tube3, tube4, tube5 and bellows -----
240   TGeoPcon* tube345vide = new TGeoPcon(0., 360., 2);
241   tube345vide->DefineSection(0,fztube3, 0., 2.15-fBe);
242   tube345vide->DefineSection(1,fztube5+(-1.3), 0., 2.15-fBe);
243   TGeoVolume* votube345vide = new TGeoVolume("votube345vide",tube345vide,kMedVac);
244   votube345vide->SetVisibility(0);votube345vide->SetLineColor(kGreen);
245   top->AddNode(votube345vide,1,new TGeoTranslation(0., 0., 0.));
246   //----------------------------------------------------------------
247
248
249   //----------- 15?? Conical adaptator + flange ----------
250   TGeoPcon* adaptator = new TGeoPcon(0., 360., 4);
251   adaptator->DefineSection(0,fzadapt, 2.15-fBe, 2.15);
252   adaptator->DefineSection(1,fzadapt+(-3.17), 3.0-fBe, 3.0);
253   adaptator->DefineSection(2,fzadapt+(-3.17), 3.0-fBe, 4.3);
254   adaptator->DefineSection(3,fzadapt+(-3.17-1.4), 3.0-fBe ,4.3);
255   TGeoVolume* voadaptator = new TGeoVolume("voadaptator",adaptator,kMedAlu2219);
256   voadaptator->SetLineColor(kBlue);    
257   top->AddNode(voadaptator,1,new TGeoTranslation(0., 0., 0.));
258
259   TGeoPcon* adaptatorvide = new TGeoPcon(0., 360., 4);
260   adaptatorvide->DefineSection(0,fzadapt, 0., 2.15-fBe);
261   adaptatorvide->DefineSection(1,fzadapt+(-3.17), 0., 3.0-fBe);
262   adaptatorvide->DefineSection(2,fzadapt+(-3.17), 0., 3.0-fBe);
263   adaptatorvide->DefineSection(3,fzadapt+(-3.17-1.4), 0., 3.0-fBe);
264   TGeoVolume* voadaptatorvide = new TGeoVolume("voadaptatorvide",adaptatorvide,kMedVac);
265   voadaptatorvide->SetVisibility(0);voadaptatorvide->SetLineColor(kGreen);    
266   top->AddNode(voadaptatorvide,1,new TGeoTranslation(0., 0., 0.));
267   //------------------------------------------------------
268
269
270
271   // ------------------------- Bellows ----------------------------
272
273   //Float_t plieradius = (3.72 + (2. *  7 - 2.) * 0.03) / (4. * 7);  // radius of bellows "plis"
274   Float_t plieradius = 0.17;  // radius of bellow plies
275
276   
277   // ------------------ First Bellow  -------------------- 
278   TGeoVolume* vobellows1 = MakeBellow("bellows1", 6, 2.15-fBe, 3.0, 3.8, plieradius ,0.03);
279   top->AddNode(vobellows1, 1, new TGeoTranslation(0., 0., fztube3+(-1.3-3.8/2. -0.31 +0.08)));
280   // Comments: removing 1/2 plie (see MakeBellow):  0.31= 2*0.17-0.03    and   0.08: free space
281
282   // small tube of the bellow 1 to cover the 0.08cm remaining space
283   TGeoPcon* bellowtube1 = new TGeoPcon(0., 360., 2);
284   bellowtube1->DefineSection(0,fztube4+(0.08), 2.15-0.03,2.15);
285   bellowtube1->DefineSection(1,fztube4,2.15-0.03,2.15);
286   TGeoVolume* vobellowtube1 = new TGeoVolume("vobellowtube1",bellowtube1,kMedAlu5083);
287   vobellowtube1->SetLineColor(kGreen);
288   top->AddNode(vobellowtube1,1,new TGeoTranslation(0., 0., 0.));
289   //------------------------------------------------------
290    
291   // ------------------ Second Bellow --------------------
292   TGeoVolume* vobellows2 = MakeBellow("bellows2", 6, 2.15-fBe, 3.0, 3.8, plieradius ,0.03);
293   top->AddNode(vobellows2, 1, new TGeoTranslation(0., 0., fztube4+(-4.0-3.8/2. -0.31 +0.08)));
294   // small tube of the bellow 1
295   TGeoPcon* bellowtube2 = new TGeoPcon(0., 360., 2);
296   bellowtube2->DefineSection(0,fztube5+(0.08), 2.15-0.03,2.15);
297   bellowtube2->DefineSection(1,fztube5,2.15-0.03,2.15);
298   TGeoVolume* vobellowtube2 = new TGeoVolume("vobellowtube2",bellowtube2,kMedAlu5083);
299   vobellowtube2->SetLineColor(kGreen);
300   top->AddNode(vobellowtube2,1,new TGeoTranslation(0., 0., 0.));
301   //-----------------------------------------------------
302   
303   /////////////////////////// END NEW BEAM PIPE GEOMETRY fOR MFT /////////////////////////////
304     
305
306
307   /*  
308   //
309   ///////////////////
310   //      CP/2     //
311   ///////////////////
312   //
313   // Fixed Point tube [Pos 5]
314   //
315   // Inner and outer radii of the Stainless Steel pipe    
316   const Float_t kCP2StRi               =      2.90;
317   const Float_t kCP2StRo               =      2.98;
318   //  
319   // Transition to central Be-pipe (Bulge)   
320   // Length
321   const Float_t kCP2BulgeLength        =      0.80;
322   //     
323   // Bulge outer radius
324   const Float_t kCP2BulgeRo            =      3.05;
325   //
326   // Fixed Point at z = 391.7 (IP)
327   //
328   // Position of fixed point
329   const Float_t kCP2FixedPointZ        =      8.30;
330   //
331   // Outer radius of fixed point
332   const Float_t kCP2FixedPointRo       =      3.50;
333   //
334   // Length of fixed point
335   const Float_t kCP2FixedPointLength   =      0.60;
336   //
337   // Fixed Flange [Pos 6]    
338   //
339   // Fixed flange outer radius
340   const Float_t kCP2FixedFlangeRo      =      7.60;
341   //
342   // Fixed flange inner radius
343   const Float_t kCP2FixedFlangeRi      =      3.00;
344   // Fixed flange inner radius bulge
345   const Float_t kCP2FixedFlangeBulgeRi =      2.90;
346   // Fixed flange lengths of sections at inner radius
347   const Float_t kCP2FixedFlangeRecessLengths[3] ={1., 0.08, 0.9};
348   // Fixed flange length
349   const Float_t kCP2FixedFlangeLength =       1.98;
350   //
351   // Fixed flange bulge
352   // Outer radius
353   const Float_t kCP2FixedFlangeBulgeRo =     3.00;
354   //
355   // Length    
356   const Float_t kCP2FixedFlangeBulgeLength = 2.00;
357
358   //
359   // CP/2 Mother Volume
360   //
361   TGeoPcon* shCp2Mo = new TGeoPcon(0., 360., 14);
362   //  Flange
363   z = - kCP2Length / 2.;
364   shCp2Mo->DefineSection( 0, z, kCP2FixedFlangeRi, kCP2FixedFlangeRo);
365   z +=  kCP2FixedFlangeRecessLengths[0];
366   shCp2Mo->DefineSection( 1, z, kCP2FixedFlangeRi, kCP2FixedFlangeRo);
367   shCp2Mo->DefineSection( 2, z, 0.,                kCP2FixedFlangeRo);
368   z +=  (kCP2FixedFlangeRecessLengths[1] + kCP2FixedFlangeRecessLengths[2]) ;
369   shCp2Mo->DefineSection( 3, z, 0., kCP2FixedFlangeRo);
370   //  Straight section between Flange and Fixed Point
371   shCp2Mo->DefineSection( 4, z, 0., kCP2FixedFlangeBulgeRo);
372   z += kCP2FixedFlangeBulgeLength;
373   shCp2Mo->DefineSection( 5, z, 0., kCP2FixedFlangeBulgeRo);
374   shCp2Mo->DefineSection( 6, z, 0., kCP2StRo);
375   z =  - kCP2Length / 2 +  kCP2FixedPointZ - kCP2FixedPointLength / 2.;
376   shCp2Mo->DefineSection( 7, z, 0., kCP2StRo);
377   //  Fixed Point
378   shCp2Mo->DefineSection( 8, z, 0., kCP2FixedPointRo);
379   z +=  kCP2FixedPointLength;
380   shCp2Mo->DefineSection( 9, z, 0., kCP2FixedPointRo);
381   //  Straight section between Fixed Point and transition bulge
382   shCp2Mo->DefineSection(10, z, 0., kCP2StRo);
383   z  =  kCP2Length / 2. - kCP2BulgeLength;
384   shCp2Mo->DefineSection(11, z, 0., kCP2StRo);
385   shCp2Mo->DefineSection(12, z, 0., kCP2BulgeRo);
386   z = kCP2Length / 2.;
387   shCp2Mo->DefineSection(13, z, 0., kCP2BulgeRo);
388     
389   TGeoVolume* voCp2Mo = new TGeoVolume("CP2MO", shCp2Mo, kMedAir);
390   //FM voCp2Mo->SetVisibility(0);
391   //
392   // CP/1 Vacuum
393   TGeoTube*   shCp2Va = new TGeoTube(0., kCP2StRi, (kCP2Length - kCP2FixedFlangeRecessLengths[0])/2.);
394   TGeoVolume* voCp2Va = new TGeoVolume("CP2VA", shCp2Va, kMedVac);
395     
396   //FM voCp2Mo->AddNode(voCp2Va, 1, new TGeoTranslation(0., 0., kCP2FixedFlangeRecessLengths[0]/2.));
397     
398   /////////////////////////////////////////////
399   //  CP/2 Fixed Flange [Pos 6]              //
400   /////////////////////////////////////////////
401
402   TGeoPcon* shCp2Fl = new TGeoPcon(0., 360., 6);
403   z = - kCP2FixedFlangeLength / 2.;
404   shCp2Fl->DefineSection(0, z, kCP2FixedFlangeRi,      kCP2FixedFlangeRo);
405   z +=  kCP2FixedFlangeRecessLengths[0];
406   shCp2Fl->DefineSection(1, z, kCP2FixedFlangeRi,      kCP2FixedFlangeRo);
407   shCp2Fl->DefineSection(2, z, kCP2FixedFlangeBulgeRi, kCP2FixedFlangeRo);
408   z +=  kCP2FixedFlangeRecessLengths[1];
409   shCp2Fl->DefineSection(3, z, kCP2FixedFlangeBulgeRi, kCP2FixedFlangeRo);
410   shCp2Fl->DefineSection(4, z, kCP2FixedFlangeRi,      kCP2FixedFlangeRo);
411   z = kCP2FixedFlangeLength / 2.;
412   shCp2Fl->DefineSection(5, z, kCP2FixedFlangeRi,      kCP2FixedFlangeRo);
413   TGeoVolume* voCp2Fl = new TGeoVolume("CP2FL", shCp2Fl, kMedSteel);
414   // 
415   dz =  - kCP2Length / 2. +  kCP2FixedFlangeLength / 2.;
416   //FM voCp2Mo->AddNode(voCp2Fl, 1, new TGeoTranslation(0., 0., dz));
417
418
419   /////////////////////////////////////////////////////////////
420   //  CP/2 Beam pipe with fixed point and transition bulges  //
421   /////////////////////////////////////////////////////////////
422   TGeoPcon* shCp2Pi = new TGeoPcon(0., 360., 10);
423   //  Bulge at transition to flange 
424   z =  - (kCP2Length -  kCP2FixedFlangeRecessLengths[0] - kCP2FixedFlangeRecessLengths[1]) / 2.;
425   z0 = z;
426   shCp2Pi->DefineSection(0, z, kCP2StRi, kCP2FixedFlangeBulgeRo);
427   z += kCP2FixedFlangeBulgeLength;
428   shCp2Pi->DefineSection(1, z, kCP2StRi, kCP2FixedFlangeBulgeRo);
429   //  Straight section between Bulge and Fixed Point
430   shCp2Pi->DefineSection(2, z, kCP2StRi, kCP2StRo);
431   z  += (kCP2FixedPointZ - kCP2FixedPointLength / 2. - kCP2FixedFlangeRecessLengths[0]
432          - kCP2FixedFlangeRecessLengths[1] - 
433          kCP2FixedFlangeBulgeLength);
434   shCp2Pi->DefineSection(3, z, kCP2StRi, kCP2StRo);
435   //  Fixed Point
436   shCp2Pi->DefineSection(4, z, kCP2StRi, kCP2FixedPointRo);
437   z +=  kCP2FixedPointLength;
438   shCp2Pi->DefineSection(5, z, kCP2StRi, kCP2FixedPointRo);
439   //  Straight section between Fixed Point and transition bulge
440   shCp2Pi->DefineSection(6, z, kCP2StRi, kCP2StRo);
441   z = - shCp2Pi->GetZ(0) - kCP2BulgeLength;
442   shCp2Pi->DefineSection(7, z, kCP2StRi, kCP2StRo);
443   //  Bulge at transition to Be pipe
444   shCp2Pi->DefineSection(8, z, kCP2StRi, kCP2BulgeRo);
445   z = - shCp2Pi->GetZ(0);
446   shCp2Pi->DefineSection(9, z, kCP2StRi, kCP2BulgeRo);
447
448   TGeoVolume* voCp2Pi = new TGeoVolume("CP2PI", shCp2Pi, kMedSteel);
449   dz = (kCP2FixedFlangeRecessLengths[0] + kCP2FixedFlangeRecessLengths[1]) / 2.;
450   //FM voCp2Mo->AddNode(voCp2Pi, 1, new TGeoTranslation(0., 0., dz));
451
452   //
453   //  Central beam pipe support collars
454   //  LHCVC2C_0019
455   //  Position at z = -46., 40., 150.
456   TGeoVolume* voCpSupC = new TGeoVolume("CpSupC", new TGeoTube(3.051, 4.00, 0.35), kMedAco);
457   //voCp1->AddNode(voCpSupC, 1, new TGeoTranslation(0., 0.,  kCP1Length / 2. - 98.2)); 
458   //voCp1->AddNode(voCpSupC, 2, new TGeoTranslation(0., 0.,  kCP1Length / 2.- 191.5)); 
459
460   //  Beam Pipe Protection Tube
461   //
462   //  ALIFWDA_0025
463   //    
464   //  Plaque de Centrage  ALIFWDA_0019
465   const Float_t kFwdaBPPTXL = 3.;
466   TGeoXtru* shFwdaBPPTX = new TGeoXtru(2);
467   Double_t xBPPTX[8] = {12.5,  7.5, -7.5, -12.5, -12.5,  -7.5,   7.5, 12.5};
468   Double_t yBPPTX[8] = { 7.0, 12.0, 12.0,  7.0, -7.0, -12.0, -12.0,  -7.0};
469   shFwdaBPPTX->DefinePolygon(8, xBPPTX, yBPPTX);
470   shFwdaBPPTX->DefineSection(0, 0.,         0., 0., 1.);
471   shFwdaBPPTX->DefineSection(1, kFwdaBPPTXL, 0., 0., 1.);
472   shFwdaBPPTX->SetName("FwdaBPPTX");
473   TGeoTube* shFwdaBPPTY = new TGeoTube(0., 8.5, 3.2);
474   shFwdaBPPTY->SetName("FwdaBPPTY");
475   TGeoCompositeShape*  shFwdaBPPTPC = new TGeoCompositeShape("shFwdaBPPTPC", "FwdaBPPTX-FwdaBPPTY");
476   TGeoVolume* voFwdaBPPTPC =  new TGeoVolume("FwdaBPPTPC", shFwdaBPPTPC, kMedAco);
477   //    
478   //  Tube  ALIFWDA_0020  
479   //    const Float_t kFwdaBPPTTL = 48.;
480   const Float_t kFwdaBPPTTL = 35.;
481   TGeoVolume* voFwdaBPPTT =  new TGeoVolume("FwdaBPPTT", new TGeoTube(8.85, 9.0, kFwdaBPPTTL/2.), kMedAco);
482   TGeoVolumeAssembly* voFwdaBPPT = new TGeoVolumeAssembly("FwdaBPPT");
483   voFwdaBPPT->AddNode(voFwdaBPPTPC, 1, gGeoIdentity);
484   voFwdaBPPT->AddNode(voFwdaBPPTT,  1, new TGeoTranslation(0., 0., kFwdaBPPTTL/2. + kFwdaBPPTXL));
485
486     
487   //  BeamPipe and T0A Support
488   //
489   //  ALIFWDA_0033
490   //    
491   //  Support  Plate ALIFWDA_0026
492   const Float_t kFwdaBPSPL = 4.0;
493   TGeoXtru* shFwdaBPSPX = new TGeoXtru(2);
494   Double_t xBPSPX[8] = {10.0,  6.0 , -6.0, -10.0, -10.0,  -6.0,   6.0, 10.0};
495   Double_t yBPSPX[8] = { 6.0, 10.0,  10.0,   6.0, - 6.0, -10.0, -10.0, -6.0};
496   shFwdaBPSPX->DefinePolygon(8, xBPSPX, yBPSPX);
497   shFwdaBPSPX->DefineSection(0, 0.,         0., 0., 1.);
498   shFwdaBPSPX->DefineSection(1, kFwdaBPSPL, 0., 0., 1.);
499   shFwdaBPSPX->SetName("FwdaBPSPX");
500   TGeoPcon* shFwdaBPSPY = new TGeoPcon(0., 360., 6);
501   shFwdaBPSPY->DefineSection(0, -1.00, 0., 5.5);
502   shFwdaBPSPY->DefineSection(1,  3.50, 0., 5.5);    
503   shFwdaBPSPY->DefineSection(2,  3.50, 0., 5.0);    
504   shFwdaBPSPY->DefineSection(3,  3.86, 0., 5.0);    
505   shFwdaBPSPY->DefineSection(4,  3.86, 0., 5.5);    
506   shFwdaBPSPY->DefineSection(5,  5.00, 0., 5.5);    
507   shFwdaBPSPY->SetName("FwdaBPSPY");
508   TGeoCompositeShape*  shFwdaBPSP = new TGeoCompositeShape("shFwdaBPSP", "FwdaBPSPX-FwdaBPSPY");
509   TGeoVolume* voFwdaBPSP =  new TGeoVolume("FwdaBPSP", shFwdaBPSP, kMedAco);
510   //    
511   //  Flasque  ALIFWDA_00027
512
513
514   const Float_t kFwdaBPSTTRi  =  7.6/2.;
515   const Float_t kFwdaBPSTTRo1 = 13.9/2.;
516   const Float_t kFwdaBPSTTRo2 =  8.2/2.;
517   const Float_t kFwdaBPSTTRo3 =  9.4/2.;
518     
519   TGeoPcon* shFwdaBPSFL = new TGeoPcon(0., 360., 8);
520   z = 0., 
521     shFwdaBPSFL->DefineSection(0, z, kFwdaBPSTTRi, kFwdaBPSTTRo1);
522   z += 0.64;
523   shFwdaBPSFL->DefineSection(1, z, kFwdaBPSTTRi, kFwdaBPSTTRo1);
524   shFwdaBPSFL->DefineSection(2, z, kFwdaBPSTTRi, kFwdaBPSTTRo2);
525   z += 2.55;
526   shFwdaBPSFL->DefineSection(3, z, kFwdaBPSTTRi, kFwdaBPSTTRo2);
527   shFwdaBPSFL->DefineSection(4, z, kFwdaBPSTTRi, kFwdaBPSTTRo3);
528   z += 0.4;
529   shFwdaBPSFL->DefineSection(5, z, kFwdaBPSTTRi, kFwdaBPSTTRo3);
530   shFwdaBPSFL->DefineSection(6, z, kFwdaBPSTTRi, kFwdaBPSTTRo2);
531   z += 1.2;
532   shFwdaBPSFL->DefineSection(7, z, kFwdaBPSTTRi, kFwdaBPSTTRo2);
533
534   TGeoVolume* voFwdaBPSFL =  new TGeoVolume("FwdaBPSFL", shFwdaBPSFL, kMedAco);
535
536     
537   //
538   // Cable support 
539   TGeoBBox* shFwdaBPSCSa = new TGeoBBox(3.0, 8.75, 0.5);
540   shFwdaBPSCSa->SetName("FwdaBPSCSa");
541   TGeoBBox* shFwdaBPSCSb = new TGeoBBox(1.25, 4.00, 1.0);
542   shFwdaBPSCSb->SetName("FwdaBPSCSb");   
543   TGeoTranslation* tFwdaBPSCSb = new TGeoTranslation(0., 5.25 - 8.75, 0.);
544   tFwdaBPSCSb->SetName("tFwdaBPSCSb");
545   tFwdaBPSCSb->RegisterYourself();
546   TGeoBBox* shFwdaBPSCSc = new TGeoBBox(3.0, 0.50, 0.70);
547   shFwdaBPSCSc->SetName("FwdaBPSCSc");
548   TGeoTranslation* tFwdaBPSCSc = new TGeoTranslation(0., 0.5 - 8.75, 1.2);
549   tFwdaBPSCSc->SetName("tFwdaBPSCSc");
550   tFwdaBPSCSc->RegisterYourself();
551   TGeoCompositeShape* shFwdaBPSCS = new TGeoCompositeShape("shFwdaBPSCS", "(FwdaBPSCSa-FwdaBPSCSb:tFwdaBPSCSb)+FwdaBPSCSc:tFwdaBPSCSc");
552   TGeoVolume* voFwdaBPSCS = new TGeoVolume("FwdaBPSCS", shFwdaBPSCS, kMedAco);
553     
554     
555   // Assembling the beam pipe support   
556   TGeoVolumeAssembly* voFwdaBPS = new TGeoVolumeAssembly("FwdaBPS");
557   voFwdaBPS->AddNode(voFwdaBPSP,   1,  new TGeoCombiTrans(0., 0., 0., rot045));
558   voFwdaBPS->AddNode(voFwdaBPSFL,  1,  new TGeoTranslation(0., 0., kFwdaBPSPL));
559   const Float_t kFwdaBPSCSdy = 18.75/TMath::Sqrt(2.);
560     
561   voFwdaBPS->AddNode(voFwdaBPSCS,  1,  new TGeoCombiTrans(- kFwdaBPSCSdy,   kFwdaBPSCSdy, 2., rot045));
562   voFwdaBPS->AddNode(voFwdaBPSCS,  2,  new TGeoCombiTrans(- kFwdaBPSCSdy, - kFwdaBPSCSdy, 2., rot135));
563   voFwdaBPS->AddNode(voFwdaBPSCS,  3,  new TGeoCombiTrans(  kFwdaBPSCSdy, - kFwdaBPSCSdy, 2., rot225));
564   voFwdaBPS->AddNode(voFwdaBPSCS,  4,  new TGeoCombiTrans(  kFwdaBPSCSdy,   kFwdaBPSCSdy, 2., rot315));
565
566   TGeoVolumeAssembly* voCp2 = new TGeoVolumeAssembly("CP2");
567   //FM voCp2->AddNode(voCp2Mo, 1, gGeoIdentity);
568   //FM voCp2->AddNode(voFwdaBPPT, 1, new TGeoTranslation(0., 0., -kCP2Length / 2. + 13.8));
569   //FM voCp2->AddNode(voFwdaBPS,  1, new TGeoTranslation(0., 0., -kCP2Length / 2. +  5.1));
570
571   */
572
573   /*
574
575   //
576   ///////////////////
577   //      CP/3     //
578   ///////////////////
579   //
580   // Adaptor tube [Pos 4]
581   // 
582   // Adaptor tube length 
583   const Float_t  kCP3AdaptorTubeLength            =  5.50;
584   //
585   // Inner and outer radii
586   const Float_t kCP3AdaptorTubeRi                =  2.92;
587   const Float_t kCP3AdaptorTubeRo                =  3.00;
588   //
589   // Bulge at transition point
590   // Inner and outer radii
591   const Float_t kCP3AdaptorTubeBulgeRi           =  2.90;
592   const Float_t kCP3AdaptorTubeBulgeRo           =  3.05;    
593   //
594   // Length of bulge
595   const Float_t  kCP3AdaptorTubeBulgeLength       =  0.80;
596   //
597   // Bellow [Pos 8]
598   //
599   //  Total length    
600   const Float_t kCP3BellowLength                  = 13.00;
601   //  Outer Radius
602   const Float_t kCP3BellowRo                      =  3.6;
603   //  Inner Radius 
604   const Float_t kCP3BellowRi                      =  2.8;
605   //  Number of plies
606   const Int_t   kCP3NumberOfPlies                 = 18;
607   //  Length of undulated region
608   const Float_t kCP3BellowUndulatedLength         =  8.30; 
609   //  Plie thickness
610   const Float_t kCP3PlieThickness                 =  0.02;   
611   //  Connection Plie radies (at transition been undulated region and beam pipe)
612   const Float_t kCP3ConnectionPlieR               =  0.21;
613   //  Plie radius
614   //  const Float_t kCP3PlieR = 0.118286;
615   const Float_t kCP3PlieR = 
616     (kCP3BellowUndulatedLength - 4. *  kCP3ConnectionPlieR + 2. * kCP3PlieThickness + 
617      (2. *  kCP3NumberOfPlies - 2.) * kCP3PlieThickness) / (4. * kCP3NumberOfPlies - 2.);
618   //  Length of connection pipe
619   const Float_t kCP3BellowConnectionLength        =  2.35;
620   //
621   //  Tube between bellows [Pos 3]  
622   //    
623   //  Length of tube
624   const Float_t kCP3TubeLength                    =  4.00;
625   //
626   //  Minimised fixed flange [Pos 7]
627   //  
628   //  Length of flange connection tube
629   const Float_t kCP3FlangeConnectorLength         =  5.0 - 1.4;
630   //  Length of Flange
631   const Float_t kCP3FlangeLength                  =  1.40;
632   //  Outer radius    
633   const Float_t kCP3FlangeRo                      =  4.30-1.;  // -1 ?? FM
634
635   //
636   // CP/3 Mother volume
637   //
638   TGeoPcon* shCp3Mo = new TGeoPcon(0., 360., 12);
639   //  From transition to first bellow
640   z = - kCP3Length / 2.;
641   shCp3Mo->DefineSection( 0, z, 0., kCP3AdaptorTubeBulgeRo);
642   z += kCP3BellowConnectionLength + kCP3AdaptorTubeLength;
643   shCp3Mo->DefineSection( 1, z, 0., kCP3AdaptorTubeBulgeRo);
644   //  First Bellow
645   shCp3Mo->DefineSection( 2, z, 0., kCP3BellowRo);
646   z +=  kCP3BellowUndulatedLength;
647   shCp3Mo->DefineSection( 3, z, 0., kCP3BellowRo);
648   //  Connection between the two bellows
649   shCp3Mo->DefineSection( 4, z, 0., kCP3AdaptorTubeBulgeRo);
650   z +=  2. * kCP3BellowConnectionLength + kCP3TubeLength;
651   shCp3Mo->DefineSection( 5, z, 0., kCP3AdaptorTubeBulgeRo);
652   //  Second bellow
653   shCp3Mo->DefineSection( 6, z, 0., kCP3BellowRo);
654   z += kCP3BellowUndulatedLength;
655   shCp3Mo->DefineSection( 7, z, 0., kCP3BellowRo);
656   //  Pipe between second Bellow and Flange
657   shCp3Mo->DefineSection( 8, z, 0., kCP3AdaptorTubeBulgeRo);
658   z +=  kCP3BellowConnectionLength +  kCP3FlangeConnectorLength;
659   shCp3Mo->DefineSection( 9, z, 0., kCP3AdaptorTubeBulgeRo);
660   //  Flange 
661   shCp3Mo->DefineSection(10, z, 0., kCP3FlangeRo);
662   z = -shCp3Mo->GetZ(0);
663   shCp3Mo->DefineSection(11, z, 0., kCP3FlangeRo);
664   //
665   TGeoVolume* voCp3Mo = new TGeoVolume("CP3MO", shCp3Mo, kMedAir);
666   voCp3Mo->SetVisibility(0);
667   TGeoVolumeAssembly* voCp3 = new TGeoVolumeAssembly("Cp3");
668   voCp3->AddNode(voCp3Mo,  1, gGeoIdentity);
669   voCp3->AddNode(voCpSupC, 3, new TGeoTranslation(0., 0., - kCP3Length / 2. + 4.6));
670   dz = kCP3pos;
671
672   //////////////////////////////////////////////
673   // CP/3 Adaptor tube                        // 
674   //////////////////////////////////////////////
675   TGeoPcon* shCp3AtV = new TGeoPcon(0., 360., 4);
676   //  Bulge at transition
677   z =  - kCP3AdaptorTubeLength / 2.;
678   shCp3AtV->DefineSection(0, z, 0., kCP3AdaptorTubeBulgeRo);
679   z += kCP3AdaptorTubeBulgeLength;
680   shCp3AtV->DefineSection(1, z, 0., kCP3AdaptorTubeBulgeRo);
681   //  Tube
682   shCp3AtV->DefineSection(2, z, 0., kCP3AdaptorTubeRo);
683   z =  + kCP3AdaptorTubeLength / 2.;
684   shCp3AtV->DefineSection(3, z, 0., kCP3AdaptorTubeRo);
685
686   TGeoVolume* voCp3AtV = new TGeoVolume("CP3ATV", shCp3AtV, kMedVac);
687
688   TGeoPcon* shCp3AtS = new TGeoPcon(0., 360., 4);
689   //  Bulge at transition
690   shCp3AtS->DefineSection(0, shCp3AtV->GetZ(0), kCP3AdaptorTubeBulgeRi, kCP3AdaptorTubeBulgeRo);
691   shCp3AtS->DefineSection(1, shCp3AtV->GetZ(1), kCP3AdaptorTubeBulgeRi, kCP3AdaptorTubeBulgeRo);
692   //  Tube
693   shCp3AtS->DefineSection(2, shCp3AtV->GetZ(2), kCP3AdaptorTubeRi,      kCP3AdaptorTubeRo);
694   shCp3AtS->DefineSection(3, shCp3AtV->GetZ(3), kCP3AdaptorTubeRi ,     kCP3AdaptorTubeRo);
695   TGeoVolume* voCp3AtS = new TGeoVolume("CP3ATS", shCp3AtS, kMedSteel);
696
697   voCp3AtV->AddNode(voCp3AtS, 1, gGeoIdentity);
698   dz = - kCP3Length / 2. +  kCP3AdaptorTubeLength / 2.;
699   //FM voCp3Mo->AddNode(voCp3AtV, 1, new TGeoTranslation(0., 0., dz));
700
701   /////////////////////////////////
702   // CP/3 Bellow section         //
703   /////////////////////////////////
704
705   //
706   //  Upper part of the undulation
707   TGeoTorus* plieTorusUO =  new TGeoTorus(kCP3BellowRo - kCP3PlieR, 0. , kCP3PlieR);
708   plieTorusUO->SetName("TorusUO");
709   TGeoTorus* plieTorusUI =  new TGeoTorus(kCP3BellowRo - kCP3PlieR, kCP3PlieR - kCP3PlieThickness, kCP3PlieR);
710   plieTorusUI->SetName("TorusUI");
711   TGeoTube*  plieTubeU   =  new TGeoTube (kCP3BellowRo - kCP3PlieR, kCP3BellowRo, kCP3PlieR);
712   plieTubeU->SetName("TubeU");
713     
714   TGeoCompositeShape*  shUpperPlieO = new TGeoCompositeShape("upperPlieO", "TorusUO*TubeU");
715   TGeoCompositeShape*  shUpperPlieI = new TGeoCompositeShape("upperPlieI", "TorusUI*TubeU");
716  
717   TGeoVolume* voWiggleUO = new TGeoVolume("CP3WUO", shUpperPlieO, kMedVac);
718   TGeoVolume* voWiggleUI = new TGeoVolume("CP3WUI", shUpperPlieI, kMedSteel);
719   voWiggleUO->AddNode(voWiggleUI, 1,  gGeoIdentity);    
720   //
721   // Lower part of the undulation
722   TGeoTorus* plieTorusLO =  new TGeoTorus(kCP3BellowRi + kCP3PlieR, 0. , kCP3PlieR);
723   plieTorusLO->SetName("TorusLO");
724   TGeoTorus* plieTorusLI =  new TGeoTorus(kCP3BellowRi + kCP3PlieR, kCP3PlieR - kCP3PlieThickness, kCP3PlieR);
725   plieTorusLI->SetName("TorusLI");
726   TGeoTube*  plieTubeL   =  new TGeoTube (kCP3BellowRi, kCP3BellowRi + kCP3PlieR, kCP3PlieR);
727   plieTubeL->SetName("TubeL");
728
729   TGeoCompositeShape*  shLowerPlieO = new TGeoCompositeShape("lowerPlieO", "TorusLO*TubeL");
730   TGeoCompositeShape*  shLowerPlieI = new TGeoCompositeShape("lowerPlieI", "TorusLI*TubeL");
731
732   TGeoVolume* voWiggleLO = new TGeoVolume("CP3WLO", shLowerPlieO, kMedVac);
733   TGeoVolume* voWiggleLI = new TGeoVolume("CP3WLI", shLowerPlieI, kMedSteel);
734   voWiggleLO->AddNode(voWiggleLI, 1,  gGeoIdentity);    
735
736   //
737   // Connection between upper and lower part of undulation
738   TGeoVolume* voWiggleC1 = new TGeoVolume("Q3WCO1",  
739                                           new TGeoTube(kCP3BellowRi + kCP3PlieR, kCP3BellowRo - kCP3PlieR, kCP3PlieThickness / 2.),
740                                           kMedSteel);
741   TGeoVolume* voWiggleC2 = new TGeoVolume("Q3WCO2",  
742                                           new TGeoTube(kCP3BellowRi + kCP3ConnectionPlieR, kCP3BellowRo - kCP3PlieR, kCP3PlieThickness / 2.),
743                                           kMedSteel);
744   //
745   // Conncetion between undulated section and beam pipe
746   TGeoTorus* plieTorusCO =  new TGeoTorus(kCP3BellowRi + kCP3ConnectionPlieR, 0. , kCP3ConnectionPlieR);
747   plieTorusCO->SetName("TorusCO");
748   TGeoTorus* plieTorusCI =  new TGeoTorus(kCP3BellowRi + kCP3ConnectionPlieR, kCP3ConnectionPlieR - kCP3PlieThickness, kCP3ConnectionPlieR);
749   plieTorusCI->SetName("TorusCI");
750   TGeoTube*  plieTubeC   =  new TGeoTube (kCP3BellowRi, kCP3BellowRi + kCP3ConnectionPlieR, kCP3ConnectionPlieR);
751   plieTubeC->SetName("TubeC");
752
753   TGeoCompositeShape*  shConnectionPlieO = new TGeoCompositeShape("connectionPlieO", "TorusCO*TubeC");
754   TGeoCompositeShape*  shConnectionPlieI = new TGeoCompositeShape("connectionPlieI", "TorusCI*TubeC");
755
756   TGeoVolume* voConnectionPO = new TGeoVolume("CP3CPO", shConnectionPlieO, kMedVac);
757   TGeoVolume* voConnectionPI = new TGeoVolume("CP3CPI", shConnectionPlieI, kMedSteel);
758   voConnectionPO->AddNode(voConnectionPI, 1,  gGeoIdentity);    
759   //
760   // Connecting pipes
761   TGeoVolume* voConnectionPipeO = new TGeoVolume("CP3BECO",  
762                                                  new TGeoTube(0., kCP3AdaptorTubeRo, kCP3BellowConnectionLength / 2.),
763                                                  kMedVac);
764   TGeoVolume* voConnectionPipeI = new TGeoVolume("CP3BECI",  
765                                                  new TGeoTube(kCP3AdaptorTubeRi, kCP3AdaptorTubeRo, kCP3BellowConnectionLength / 2.),
766                                                  kMedSteel);
767     
768   voConnectionPipeO->AddNode(voConnectionPipeI, 1,  gGeoIdentity);
769     
770   //
771   // Bellow mother
772   TGeoPcon* shBellowMotherPC = new TGeoPcon(0., 360., 6);
773   dz =  - kCP3BellowLength / 2;
774   shBellowMotherPC->DefineSection(0, dz, 0.,  kCP3AdaptorTubeRo);
775   dz +=  kCP3BellowConnectionLength;
776   shBellowMotherPC->DefineSection(1, dz, 0.,  kCP3AdaptorTubeRo);
777   shBellowMotherPC->DefineSection(2, dz, 0.,  kCP3BellowRo);
778   dz =  kCP3BellowLength /2. -  kCP3BellowConnectionLength;;
779   shBellowMotherPC->DefineSection(3, dz, 0.,  kCP3BellowRo);
780   shBellowMotherPC->DefineSection(4, dz, 0.,  kCP3AdaptorTubeRo);
781   dz +=  kCP3BellowConnectionLength;
782   shBellowMotherPC->DefineSection(5, dz, 0.,  kCP3AdaptorTubeRo);
783
784   TGeoVolume* voBellowMother = new TGeoVolume("CP3BeMO", shBellowMotherPC, kMedVac);
785   voBellowMother->SetVisibility(0);
786     
787   //
788   // Add undulations
789   z0   =  - kCP3BellowLength / 2. +  kCP3BellowConnectionLength + 2. * kCP3ConnectionPlieR - kCP3PlieThickness;
790   zsh  = 4. *  kCP3PlieR -  2. * kCP3PlieThickness;
791   for (Int_t iw = 0; iw < 18; iw++) {
792     Float_t zpos =  z0 + iw * zsh;      
793     if (iw > 0) 
794       voBellowMother->AddNode(voWiggleC1,  iw + 1 , new TGeoTranslation(0., 0., zpos + kCP3PlieThickness / 2.));        
795     else
796       voBellowMother->AddNode(voWiggleC2,  iw + 1 , new TGeoTranslation(0., 0., zpos + kCP3PlieThickness / 2.));        
797
798     zpos += kCP3PlieR;
799     voBellowMother->AddNode(voWiggleUO, iw + 1,  new TGeoTranslation(0., 0., zpos));    
800
801     zpos += kCP3PlieR;
802     if (iw < 17) 
803       voBellowMother->AddNode(voWiggleC1,  iw + 19, new TGeoTranslation(0., 0., zpos - kCP3PlieThickness / 2.));
804     else
805       voBellowMother->AddNode(voWiggleC2,  iw + 19, new TGeoTranslation(0., 0., zpos - kCP3PlieThickness / 2.));
806
807     if (iw < 17) {
808       zpos += kCP3PlieR;
809       voBellowMother->AddNode(voWiggleLO, iw + 1, new TGeoTranslation(0., 0., zpos -  kCP3PlieThickness));
810     }
811   }
812   //
813   // Add connecting undulation between bellow and connecting pipe
814   dz = - kCP3BellowUndulatedLength / 2. + kCP3ConnectionPlieR;
815   voBellowMother->AddNode(voConnectionPO, 1,  new TGeoTranslation(0., 0.,  dz));
816   voBellowMother->AddNode(voConnectionPO, 2,  new TGeoTranslation(0., 0., -dz));
817   //
818   // Add connecting pipe
819   dz =  - kCP3BellowLength / 2. +  kCP3BellowConnectionLength / 2.;
820   voBellowMother->AddNode(voConnectionPipeO, 1,  new TGeoTranslation(0., 0.,   dz));
821   voBellowMother->AddNode(voConnectionPipeO, 2,  new TGeoTranslation(0., 0.,  -dz));
822   //
823   // Add bellow to CP/3 mother    
824   dz = - kCP3Length / 2. +  kCP3AdaptorTubeLength +  kCP3BellowLength / 2.;
825   //FM voCp3Mo->AddNode(voBellowMother, 1,  new TGeoTranslation(0., 0., dz));
826   dz += (kCP3BellowLength +  kCP3TubeLength);
827   //FM voCp3Mo->AddNode(voBellowMother, 2,  new TGeoTranslation(0., 0., dz));
828
829
830   ///////////////////////////////////////////
831   // Beam pipe section between bellows     //
832   ///////////////////////////////////////////
833
834   TGeoVolume* voCp3Bco = new TGeoVolume("CP3BCO",
835                                         new TGeoTube(0.,  kCP3AdaptorTubeRo,  kCP3TubeLength / 2.),
836                                         kMedVac);
837    
838   TGeoVolume* voCp3Bci = new TGeoVolume("CP3BCI",
839                                         new TGeoTube(kCP3AdaptorTubeRi, kCP3AdaptorTubeRo, kCP3TubeLength / 2.), 
840                                         kMedSteel);
841     
842   voCp3Bco->AddNode(voCp3Bci, 1, gGeoIdentity);
843   dz = - kCP3Length / 2. +   kCP3AdaptorTubeLength +  kCP3BellowLength +  kCP3TubeLength / 2.;
844   //FM voCp3Mo->AddNode(voCp3Bco, 1, new TGeoTranslation(0., 0., dz));
845
846
847   ///////////////////////////////////////////             
848   // CP3 Minimised Flange                  //
849   ///////////////////////////////////////////
850
851   TGeoPcon* shCp3mfo = new TGeoPcon(0., 360., 4);
852   z = - (kCP3FlangeConnectorLength + kCP3FlangeLength) / 2.;
853   //  Connection Tube
854   shCp3mfo->DefineSection(0, z, 0., kCP3AdaptorTubeRo);
855   z +=  kCP3FlangeConnectorLength;
856   shCp3mfo->DefineSection(1, z, 0., kCP3AdaptorTubeRo);
857   //  Flange
858   shCp3mfo->DefineSection(2, z, 0., kCP3FlangeRo);
859   z = - shCp3mfo->GetZ(0);
860   shCp3mfo->DefineSection(3, z, 0., kCP3FlangeRo);
861
862   TGeoVolume* voCp3mfo = new TGeoVolume("CP3MFO", shCp3mfo, kMedVac);
863
864
865   TGeoPcon* shCp3mfi = new TGeoPcon(0., 360., 4);
866   //  Connection Tube
867   shCp3mfi->DefineSection(0, shCp3mfo->GetZ(0), kCP3AdaptorTubeRi, kCP3AdaptorTubeRo);
868   shCp3mfi->DefineSection(1, shCp3mfo->GetZ(1), kCP3AdaptorTubeRi, kCP3AdaptorTubeRo);
869   //  Flange
870   shCp3mfi->DefineSection(2, shCp3mfo->GetZ(2), kCP3AdaptorTubeRi, kCP3FlangeRo);
871   shCp3mfi->DefineSection(3, shCp3mfo->GetZ(3), kCP3AdaptorTubeRi, kCP3FlangeRo);
872
873   TGeoVolume* voCp3mfi = new TGeoVolume("CP3MFI", shCp3mfi, kMedSteel);
874
875   voCp3mfo->AddNode(voCp3mfi, 1, gGeoIdentity);
876   dz =  kCP3Length / 2. - (kCP3FlangeConnectorLength + kCP3FlangeLength) / 2.;
877   //FM voCp3Mo->AddNode(voCp3mfo, 1, new TGeoTranslation(0., 0., dz));
878
879   */
880
881
882   /*
883   //
884   //  Assemble the central beam pipe
885   //
886   TGeoVolumeAssembly* asCP = new TGeoVolumeAssembly("CP");
887   z = 0.;
888   // asCP->AddNode(voCp2,   1, gGeoIdentity);
889   z +=  kCP2Length / 2. + kCP1Length / 2.;
890   //asCP->AddNode(voCp1, 1, new TGeoTranslation(0., 0., z));
891   
892   asCP->AddNode(voCp1, 1, new TGeoTranslation(0., 0., 0.));
893     
894   z +=  kCP1Length / 2.  + kCP3Length / 2.;
895   // asCP->AddNode(voCp3, 1, new TGeoTranslation(0., 0., z));
896   top->AddNode(asCP, 1,  new TGeoCombiTrans(0., 0., 400. -  kCP2Length / 2, rot180));
897
898   */
899
900
901   ////////////////////////////////////////////////////////////////////////////////     
902   //                                                                            //
903   //                                  RB24/1                                    // 
904   //                                                                            //
905   ////////////////////////////////////////////////////////////////////////////////
906   //
907   //
908   // Drawing LHCVC2U_0001
909   // Copper Tube RB24/1      393.5 cm 
910   // Warm module VMACA        18.0 cm
911   // Annular Ion Pump         35.0 cm
912   // Valve                     7.5 cm
913   // Warm module VMABC        28.0 cm
914   // ================================
915   //                         462.0 cm
916   //
917
918     
919   // Copper Tube RB24/1
920   const Float_t  kRB24CuTubeL   = 393.5;
921   const Float_t  kRB24CuTubeRi  = 8.0/2.;
922   const Float_t  kRB24CuTubeRo  = 8.4/2.;
923   const Float_t  kRB24CuTubeFRo = 7.6;
924   const Float_t  kRB24CuTubeFL  = 1.86;
925
926   TGeoVolume* voRB24CuTubeM = new TGeoVolume("voRB24CuTubeM", 
927                                              new TGeoTube(0., kRB24CuTubeRo, kRB24CuTubeL/2.), kMedVac);
928   voRB24CuTubeM->SetVisibility(0);
929   TGeoVolume* voRB24CuTube  = new TGeoVolume("voRB24CuTube", 
930                                              new TGeoTube(kRB24CuTubeRi, kRB24CuTubeRo, kRB24CuTubeL/2.), kMedCu);
931   voRB24CuTubeM->AddNode(voRB24CuTube, 1, gGeoIdentity);
932   // Air outside tube with higher transport cuts
933   TGeoVolume* voRB24CuTubeA  = new TGeoVolume("voRB24CuTubeA", 
934                                               new TGeoTube(25., 100., kRB24CuTubeL/2.), kMedAirHigh);
935   voRB24CuTubeA->SetVisibility(0);
936   // Simplified DN 100 Flange
937   TGeoVolume* voRB24CuTubeF = new TGeoVolume("voRB24CuTubeF", 
938                                              new TGeoTube(kRB24CuTubeRo, kRB24CuTubeFRo, kRB24CuTubeFL/2.), kMedSteel);
939
940   // Warm Module Type VMACA
941   // LHCVMACA_0002
942   // 
943   // Pos 1 Warm Bellows DN100       LHCVBU__0012
944   // Pos 2 RF Contact   D80         LHCVSR__0005
945   // Pos 3 Trans. Tube Flange       LHCVSR__0065
946   // [Pos 4 Hex. Countersunk Screw   Bossard BN4719]
947   // [Pos 5 Tension spring           LHCVSR__0011]
948   //
949   //
950   //
951   // Pos1    Warm Bellows DN100
952   // Pos1.1  Bellows                  LHCVBU__0006
953   //
954   //
955   // Connection Tubes    
956   // Connection tube inner r
957   const Float_t kRB24B1ConTubeRin        = 10.0/2.;
958   // Connection tube outer r
959   const Float_t kRB24B1ConTubeRou        = 10.3/2.;
960   // Connection tube length
961   const Float_t kRB24B1ConTubeL          =  2.5;
962   // 
963   const Float_t kRB24B1CompL             = 16.00;    // Length of the compensator
964   const Float_t kRB24B1BellowRi          = 10.25/2.; // Bellow inner radius        
965   const Float_t kRB24B1BellowRo          = 11.40/2.; // Bellow outer radius        
966   const Int_t   kRB24B1NumberOfPlies     = 27;       // Number of plies            
967   const Float_t kRB24B1BellowUndL        = 11.00;    // Length of undulated region 
968   const Float_t kRB24B1PlieThickness     =  0.015;   // Plie thickness             
969
970   const Float_t kRB24B1PlieRadius = 
971     (kRB24B1BellowUndL + (2. *  kRB24B1NumberOfPlies - 2.) * kRB24B1PlieThickness) / (4. * kRB24B1NumberOfPlies);
972
973   const Float_t kRB24B1ProtTubeThickness = 0.02;     // Thickness of the protection tube
974   const Float_t kRB24B1ProtTubeLength    = 4.2;      // Length of the protection tube
975
976   const Float_t kRB24B1RFlangeL          = 1.86;     // Length of the flanges
977   const Float_t kRB24B1RFlangeLO         = 0.26;     // Flange overlap
978   const Float_t kRB24B1RFlangeRO         = 11.18/2;  // Inner radius at Flange overlap    
979   const Float_t kRB24B1RFlangeRou        = 15.20/2.; // Outer radius of flange
980   const Float_t kRB24B1RFlangeRecess     = 0.98;     // Flange recess
981   const Float_t kRB24B1L                 = kRB24B1CompL +  2. * (kRB24B1RFlangeL - kRB24B1RFlangeRecess);
982     
983   ///      
984   //
985   // Bellow mother volume
986   TGeoPcon* shRB24B1BellowM = new TGeoPcon(0., 360., 14);
987   // Connection Tube and Flange
988   z = 0.;
989   shRB24B1BellowM->DefineSection( 0, z, 0.,               kRB24B1RFlangeRou);
990   z += kRB24B1RFlangeLO;
991   shRB24B1BellowM->DefineSection( 1, z, 0.,               kRB24B1RFlangeRou);
992   shRB24B1BellowM->DefineSection( 2, z, 0.,               kRB24B1RFlangeRou);    
993   z = kRB24B1RFlangeL;
994   shRB24B1BellowM->DefineSection( 3, z, 0.,               kRB24B1RFlangeRou);    
995   shRB24B1BellowM->DefineSection( 4, z, 0.,               kRB24B1ConTubeRou);
996   z = kRB24B1ConTubeL +  kRB24B1RFlangeL - kRB24B1RFlangeRecess;
997   shRB24B1BellowM->DefineSection( 5, z, 0.,               kRB24B1ConTubeRou);
998   // Plie
999   shRB24B1BellowM->DefineSection( 6, z, 0.,               kRB24B1BellowRo + kRB24B1ProtTubeThickness);
1000   z += kRB24B1BellowUndL;
1001   shRB24B1BellowM->DefineSection( 7, z, 0.,               kRB24B1BellowRo + kRB24B1ProtTubeThickness);
1002   shRB24B1BellowM->DefineSection( 8, z, 0.,               kRB24B1ConTubeRou);
1003   // Connection Tube and Flange
1004   z = kRB24B1L - shRB24B1BellowM->GetZ(3);
1005   shRB24B1BellowM->DefineSection( 9, z, 0.,               kRB24B1ConTubeRou);
1006   shRB24B1BellowM->DefineSection(10, z, 0.,               kRB24B1RFlangeRou);
1007   z = kRB24B1L - shRB24B1BellowM->GetZ(1);
1008   shRB24B1BellowM->DefineSection(11, z, 0.,               kRB24B1RFlangeRou);
1009   shRB24B1BellowM->DefineSection(12, z, 0.,               kRB24B1RFlangeRou);
1010   z = kRB24B1L - shRB24B1BellowM->GetZ(0);
1011   shRB24B1BellowM->DefineSection(13, z, 0.,               kRB24B1RFlangeRou);
1012
1013   TGeoVolume* voRB24B1BellowM = new TGeoVolume("RB24B1BellowM", shRB24B1BellowM, kMedVac);
1014   voRB24B1BellowM->SetVisibility(0);
1015   //
1016   // Bellow Section    
1017   TGeoVolume* voRB24B1Bellow 
1018     = MakeBellow("RB24B1", kRB24B1NumberOfPlies, kRB24B1BellowRi, kRB24B1BellowRo, 
1019                  kRB24B1BellowUndL, kRB24B1PlieRadius ,kRB24B1PlieThickness);
1020   voRB24B1Bellow->SetVisibility(0);
1021     
1022   //
1023   // End Parts (connection tube)
1024   TGeoVolume* voRB24B1CT = new TGeoVolume("RB24B1CT", new TGeoTube(kRB24B1ConTubeRin, kRB24B1ConTubeRou,  kRB24B1ConTubeL/2.), kMedSteel); 
1025   //
1026   // Protection Tube      
1027   TGeoVolume* voRB24B1PT = new TGeoVolume("RB24B1PT", new TGeoTube(kRB24B1BellowRo, kRB24B1BellowRo + kRB24B1ProtTubeThickness,  
1028                                                                    kRB24B1ProtTubeLength / 2.), kMedSteel);
1029     
1030   z = kRB24B1ConTubeL/2. +  (kRB24B1RFlangeL - kRB24B1RFlangeRecess);
1031     
1032   voRB24B1BellowM->AddNode(voRB24B1CT, 1, new TGeoTranslation(0., 0., z));
1033   z += (kRB24B1ConTubeL/2.+ kRB24B1BellowUndL/2.);
1034   voRB24B1BellowM->AddNode(voRB24B1Bellow, 1, new TGeoTranslation(0., 0., z));
1035   z += (kRB24B1BellowUndL/2. + kRB24B1ConTubeL/2);
1036   voRB24B1BellowM->AddNode(voRB24B1CT, 2, new TGeoTranslation(0., 0., z));
1037   z =  kRB24B1ConTubeL +  kRB24B1ProtTubeLength / 2. + 1. + kRB24B1RFlangeLO;
1038   voRB24B1BellowM->AddNode(voRB24B1PT, 1, new TGeoTranslation(0., 0., z));
1039   z +=  kRB24B1ProtTubeLength + 0.6;
1040   voRB24B1BellowM->AddNode(voRB24B1PT, 2, new TGeoTranslation(0., 0., z));
1041
1042                  
1043
1044   // Pos 1/2 Rotatable Flange         LHCVBU__0013
1045   // Pos 1/3 Flange DN100/103         LHCVBU__0018
1046   // The two flanges can be represented by the same volume
1047   // Outer Radius (including the outer movable ring).
1048   // The inner ring has a diameter of 12.04 cm
1049
1050   
1051   TGeoPcon* shRB24B1RFlange = new TGeoPcon(0., 360., 10);
1052   z = 0.;
1053   shRB24B1RFlange->DefineSection(0, z, 10.30/2., kRB24B1RFlangeRou);
1054   z += 0.55;  // 5.5 mm added for outer ring
1055   z += 0.43;
1056   shRB24B1RFlange->DefineSection(1, z, 10.30/2., kRB24B1RFlangeRou);
1057   shRB24B1RFlange->DefineSection(2, z, 10.06/2., kRB24B1RFlangeRou);    
1058   z += 0.15;
1059   shRB24B1RFlange->DefineSection(3, z, 10.06/2., kRB24B1RFlangeRou);    
1060   // In reality this part is rounded
1061   shRB24B1RFlange->DefineSection(4, z, 10.91/2., kRB24B1RFlangeRou);    
1062   z += 0.15;
1063   shRB24B1RFlange->DefineSection(5, z, 10.91/2., kRB24B1RFlangeRou);    
1064   shRB24B1RFlange->DefineSection(6, z, 10.06/2., kRB24B1RFlangeRou);    
1065   z += 0.32;
1066   shRB24B1RFlange->DefineSection(7, z, 10.06/2., kRB24B1RFlangeRou);    
1067   shRB24B1RFlange->DefineSection(8, z, kRB24B1RFlangeRO, kRB24B1RFlangeRou);    
1068   z += kRB24B1RFlangeLO;
1069   shRB24B1RFlange->DefineSection(9, z, kRB24B1RFlangeRO, kRB24B1RFlangeRou);    
1070     
1071   TGeoVolume* voRB24B1RFlange = new TGeoVolume("RB24B1RFlange", shRB24B1RFlange, kMedSteel);
1072
1073     
1074   z = kRB24B1L - kRB24B1RFlangeL;
1075   voRB24B1BellowM->AddNode(voRB24B1RFlange, 1, new TGeoTranslation(0., 0., z));
1076   z = kRB24B1RFlangeL;
1077   voRB24B1BellowM->AddNode(voRB24B1RFlange, 2, new TGeoCombiTrans(0., 0., z, rot180));
1078   //
1079   // Pos 2 RF Contact   D80         LHCVSR__0005
1080   //
1081   // Pos 2.1 RF Contact Flange      LHCVSR__0003
1082   //
1083   TGeoPcon* shRB24B1RCTFlange = new TGeoPcon(0., 360., 6);
1084   const Float_t kRB24B1RCTFlangeRin  = 8.06/2. + 0.05;  // Inner radius
1085   const Float_t kRB24B1RCTFlangeL    = 1.45;            // Length
1086     
1087   z = 0.;
1088   shRB24B1RCTFlange->DefineSection(0, z, kRB24B1RCTFlangeRin,  8.20/2.);
1089   z += 0.15;
1090   shRB24B1RCTFlange->DefineSection(1, z, kRB24B1RCTFlangeRin,  8.20/2.);
1091   shRB24B1RCTFlange->DefineSection(2, z, kRB24B1RCTFlangeRin,  8.60/2.);
1092   z += 1.05;
1093   shRB24B1RCTFlange->DefineSection(3, z, kRB24B1RCTFlangeRin,  8.60/2.);
1094   shRB24B1RCTFlange->DefineSection(4, z, kRB24B1RCTFlangeRin, 11.16/2.);
1095   z += 0.25;
1096   shRB24B1RCTFlange->DefineSection(5, z, kRB24B1RCTFlangeRin, 11.16/2.);
1097   TGeoVolume* voRB24B1RCTFlange = new TGeoVolume("RB24B1RCTFlange", shRB24B1RCTFlange, kMedCu);
1098   z = kRB24B1L - kRB24B1RCTFlangeL;
1099     
1100   voRB24B1BellowM->AddNode(voRB24B1RCTFlange, 1, new TGeoTranslation(0., 0., z));
1101   //
1102   // Pos 2.2 RF-Contact        LHCVSR__0004
1103   //
1104   TGeoPcon* shRB24B1RCT = new TGeoPcon(0., 360., 3);
1105   const Float_t kRB24B1RCTRin  = 8.00/2.;        // Inner radius
1106   const Float_t kRB24B1RCTCRin = 8.99/2.;        // Max. inner radius conical section
1107   const Float_t kRB24B1RCTL    = 11.78;          // Length
1108   const Float_t kRB24B1RCTSL   = 10.48;          // Length of straight section
1109   const Float_t kRB24B1RCTd    =  0.03;          // Thickness
1110     
1111   z = 0;
1112   shRB24B1RCT->DefineSection(0, z,  kRB24B1RCTCRin,  kRB24B1RCTCRin + kRB24B1RCTd);
1113   z =  kRB24B1RCTL -  kRB24B1RCTSL;
1114   // In the (VSR0004) this section is straight in (LHCVC2U_0001) it is conical ????
1115   shRB24B1RCT->DefineSection(1, z,  kRB24B1RCTRin + 0.35,  kRB24B1RCTRin + 0.35 + kRB24B1RCTd);
1116   z = kRB24B1RCTL - 0.03;
1117   shRB24B1RCT->DefineSection(2, z,  kRB24B1RCTRin,  kRB24B1RCTRin + kRB24B1RCTd);
1118
1119   TGeoVolume* voRB24B1RCT = new TGeoVolume("RB24B1RCT", shRB24B1RCT, kMedCu);
1120   z = kRB24B1L - kRB24B1RCTL - 0.45;
1121   voRB24B1BellowM->AddNode(voRB24B1RCT, 1, new TGeoTranslation(0., 0., z));    
1122
1123   //
1124   // Pos 3 Trans. Tube Flange       LHCVSR__0065
1125   //
1126   // Pos 3.1 Transition Tube D53    LHCVSR__0064
1127   // Pos 3.2 Transition Flange      LHCVSR__0060
1128   // Pos 3.3 Transition Tube        LHCVSR__0058
1129   TGeoPcon* shRB24B1TTF = new TGeoPcon(0., 360., 7);
1130   // Flange
1131   z = 0.;
1132   shRB24B1TTF->DefineSection(0, z,  6.30/2., 11.16/2.);
1133   z += 0.25;
1134   shRB24B1TTF->DefineSection(1, z,  6.30/2., 11.16/2.);
1135   shRB24B1TTF->DefineSection(2, z,  6.30/2.,  9.3/2.);
1136   z += 0.55;
1137   shRB24B1TTF->DefineSection(3, z,  6.30/2.,  9.3/2.);
1138   // Tube
1139   shRB24B1TTF->DefineSection(4, z,  6.30/2.,  6.7/2.);
1140   z += 5.80;
1141   shRB24B1TTF->DefineSection(5, z,  6.30/2.,  6.7/2.);
1142   // Transition Tube
1143   z += 3.75;
1144   shRB24B1TTF->DefineSection(6, z,  8.05/2.,  8.45/2.);
1145   TGeoVolume* voRB24B1TTF = new TGeoVolume("RB24B1TTF", shRB24B1TTF, kMedSteel);
1146   z =  0.;
1147   voRB24B1BellowM->AddNode(voRB24B1TTF, 1, new TGeoTranslation(0., 0., z));    
1148
1149   // Annular Ion Pump        
1150   // LHCVC2U_0003
1151   //
1152   // Pos  1 Rotable Flange         LHCVFX__0031
1153   // Pos  2 RF Screen Tube         LHCVC2U_0005
1154   // Pos  3 Shell                  LHCVC2U_0007
1155   // Pos  4 Extruded Shell         LHCVC2U_0006
1156   // Pos  5 Feedthrough Tube       LHCVC2U_0004
1157   // Pos  6 Tubulated Flange       STDVFUHV0021
1158   // Pos  7 Fixed Flange           LHCVFX__0032
1159   // Pos  8 Pumping Elements
1160
1161   //
1162   // Pos 1 Rotable Flange          LHCVFX__0031
1163   // pos 7 Fixed Flange            LHCVFX__0032
1164   //
1165   //  Mother volume
1166   const Float_t kRB24AIpML = 35.;
1167     
1168   TGeoVolume* voRB24AIpM = new TGeoVolume("voRB24AIpM", new TGeoTube(0., 10., kRB24AIpML/2.), kMedAir);
1169   voRB24AIpM->SetVisibility(0);
1170     
1171   //
1172   // Length 35 cm
1173   // Flange 2 x 1.98 =   3.96
1174   // Tube            =  32.84
1175   //==========================
1176   //                    36.80
1177   // Overlap 2 * 0.90 =  1.80
1178                         
1179   const Float_t kRB24IpRFD1     =  0.68;    // Length of section 1
1180   const Float_t kRB24IpRFD2     =  0.30;    // Length of section 2                                                   
1181   const Float_t kRB24IpRFD3     =  0.10;    // Length of section 3                                                         
1182   const Float_t kRB24IpRFD4     =  0.35;    // Length of section 4                                                         
1183   const Float_t kRB24IpRFD5     =  0.55;    // Length of section 5                                                         
1184     
1185   const Float_t kRB24IpRFRo     = 15.20/2.; // Flange outer radius 
1186   const Float_t kRB24IpRFRi1    =  6.30/2.; // Flange inner radius section 1
1187   const Float_t kRB24IpRFRi2    =  6.00/2.; // Flange inner radius section 2
1188   const Float_t kRB24IpRFRi3    =  5.84/2.; // Flange inner radius section 3    
1189   const Float_t kRB24IpRFRi4    =  6.00/2.; // Flange inner radius section 1
1190   const Float_t kRB24IpRFRi5    = 10.50/2.; // Flange inner radius section 2
1191
1192   TGeoPcon* shRB24IpRF = new TGeoPcon(0., 360., 9);
1193   z0 = 0.;
1194   shRB24IpRF->DefineSection(0, z0, kRB24IpRFRi1, kRB24IpRFRo);
1195   z0 += kRB24IpRFD1;
1196   shRB24IpRF->DefineSection(1, z0, kRB24IpRFRi2, kRB24IpRFRo);
1197   z0 += kRB24IpRFD2;
1198   shRB24IpRF->DefineSection(2, z0, kRB24IpRFRi2, kRB24IpRFRo);
1199   shRB24IpRF->DefineSection(3, z0, kRB24IpRFRi3, kRB24IpRFRo);
1200   z0 += kRB24IpRFD3;
1201   shRB24IpRF->DefineSection(4, z0, kRB24IpRFRi3, kRB24IpRFRo);
1202   shRB24IpRF->DefineSection(5, z0, kRB24IpRFRi4, kRB24IpRFRo);
1203   z0 += kRB24IpRFD4;
1204   shRB24IpRF->DefineSection(6, z0, kRB24IpRFRi4, kRB24IpRFRo);
1205   shRB24IpRF->DefineSection(7, z0, kRB24IpRFRi5, kRB24IpRFRo);
1206   z0 += kRB24IpRFD5;
1207   shRB24IpRF->DefineSection(8, z0, kRB24IpRFRi5, kRB24IpRFRo);
1208
1209   TGeoVolume* voRB24IpRF = new TGeoVolume("RB24IpRF", shRB24IpRF, kMedSteel);
1210     
1211   //
1212   // Pos  2 RF Screen Tube         LHCVC2U_0005
1213   //
1214
1215   //
1216   // Tube
1217   Float_t kRB24IpSTTL  = 32.84;            // Total length of the tube
1218   Float_t kRB24IpSTTRi =  5.80/2.;         // Inner Radius
1219   Float_t kRB24IpSTTRo =  6.00/2.;         // Outer Radius
1220   TGeoVolume* voRB24IpSTT = new TGeoVolume("RB24IpSTT", new TGeoTube(kRB24IpSTTRi, kRB24IpSTTRo, kRB24IpSTTL/2.), kMedSteel);
1221   // Screen
1222   Float_t kRB24IpSTCL  =  0.4;             // Lenth of the crochet detail
1223   // Length of the screen 
1224   Float_t kRB24IpSTSL  =  9.00 - 2. * kRB24IpSTCL; 
1225   // Rel. position of the screen 
1226   Float_t kRB24IpSTSZ  =  7.00 + kRB24IpSTCL; 
1227   TGeoVolume* voRB24IpSTS = new TGeoVolume("RB24IpSTS", new TGeoTube(kRB24IpSTTRi, kRB24IpSTTRo, kRB24IpSTSL/2.), kMedSteel);
1228   // Vacuum
1229   TGeoVolume* voRB24IpSTV = new TGeoVolume("RB24IpSTV", new TGeoTube(0., kRB24IpSTTRi, kRB24AIpML/2.), kMedVac);
1230   //
1231   voRB24IpSTT->AddNode(voRB24IpSTS, 1, new TGeoTranslation(0., 0., kRB24IpSTSZ -  kRB24IpSTTL/2. +  kRB24IpSTSL/2.));
1232     
1233   // Crochets
1234   // Inner radius
1235   Float_t kRB24IpSTCRi  = kRB24IpSTTRo + 0.25;
1236   // Outer radius
1237   Float_t kRB24IpSTCRo  = kRB24IpSTTRo + 0.35;
1238   // Length of 1stsection
1239   Float_t kRB24IpSTCL1  = 0.15;
1240   // Length of 2nd section
1241   Float_t kRB24IpSTCL2  = 0.15;
1242   // Length of 3rd section
1243   Float_t kRB24IpSTCL3  = 0.10;
1244   // Rel. position of 1st Crochet
1245
1246
1247   TGeoPcon* shRB24IpSTC = new TGeoPcon(0., 360., 5);
1248   z0 = 0;
1249   shRB24IpSTC->DefineSection(0, z0, kRB24IpSTCRi, kRB24IpSTCRo);
1250   z0 += kRB24IpSTCL1;
1251   shRB24IpSTC->DefineSection(1, z0, kRB24IpSTCRi, kRB24IpSTCRo);
1252   shRB24IpSTC->DefineSection(2, z0, kRB24IpSTTRo, kRB24IpSTCRo);
1253   z0 += kRB24IpSTCL2;
1254   shRB24IpSTC->DefineSection(3, z0, kRB24IpSTTRo, kRB24IpSTCRo);
1255   z0 += kRB24IpSTCL3;
1256   shRB24IpSTC->DefineSection(4, z0, kRB24IpSTTRo, kRB24IpSTTRo + 0.001);
1257   TGeoVolume* voRB24IpSTC = new TGeoVolume("RB24IpSTC", shRB24IpSTC, kMedSteel);
1258
1259   // Pos  3 Shell                  LHCVC2U_0007
1260   // Pos  4 Extruded Shell         LHCVC2U_0006
1261   Float_t kRB24IpShellL     =  4.45;    // Length of the Shell
1262   Float_t kRB24IpShellD     =  0.10;    // Wall thickness of the shell
1263   Float_t kRB24IpShellCTRi  =  6.70/2.; // Inner radius of the connection tube
1264   Float_t kRB24IpShellCTL   =  1.56;    // Length of the connection tube
1265   Float_t kRB24IpShellCARi  = 17.80/2.; // Inner radius of the cavity
1266   Float_t kRB24IpShellCCRo  = 18.20/2.; // Inner radius at the centre
1267
1268   TGeoPcon* shRB24IpShell = new TGeoPcon(0., 360., 7);
1269   z0 = 0;
1270   shRB24IpShell->DefineSection(0, z0, kRB24IpShellCTRi, kRB24IpShellCTRi + kRB24IpShellD);
1271   z0 +=  kRB24IpShellCTL;
1272   shRB24IpShell->DefineSection(1, z0, kRB24IpShellCTRi, kRB24IpShellCTRi + kRB24IpShellD);
1273   shRB24IpShell->DefineSection(2, z0, kRB24IpShellCTRi, kRB24IpShellCARi + kRB24IpShellD);
1274   z0 += kRB24IpShellD;
1275   shRB24IpShell->DefineSection(3, z0, kRB24IpShellCARi, kRB24IpShellCARi + kRB24IpShellD);
1276   z0 = kRB24IpShellL - kRB24IpShellD;
1277   shRB24IpShell->DefineSection(4, z0, kRB24IpShellCARi, kRB24IpShellCARi + kRB24IpShellD);
1278   shRB24IpShell->DefineSection(5, z0, kRB24IpShellCARi, kRB24IpShellCCRo);
1279   z0 = kRB24IpShellL;
1280   shRB24IpShell->DefineSection(6, z0, kRB24IpShellCARi, kRB24IpShellCCRo);
1281   TGeoVolume* voRB24IpShell = new TGeoVolume("RB24IpShell", shRB24IpShell, kMedSteel);
1282     
1283   TGeoPcon* shRB24IpShellM   = MakeMotherFromTemplate(shRB24IpShell, 0, 6, kRB24IpShellCTRi , 13);
1284     
1285     
1286   for (Int_t i = 0; i < 6; i++) {
1287     z = 2. * kRB24IpShellL  - shRB24IpShellM->GetZ(5-i);
1288     Float_t rmin = shRB24IpShellM->GetRmin(5-i);
1289     Float_t rmax = shRB24IpShellM->GetRmax(5-i);
1290     shRB24IpShellM->DefineSection(7+i, z, rmin, rmax);
1291   }
1292     
1293   TGeoVolume* voRB24IpShellM = new TGeoVolume("RB24IpShellM", shRB24IpShellM, kMedVac);
1294   voRB24IpShellM->SetVisibility(0);
1295   voRB24IpShellM->AddNode(voRB24IpShell, 1, gGeoIdentity);
1296   voRB24IpShellM->AddNode(voRB24IpShell, 2, new TGeoCombiTrans(0., 0., 2. * kRB24IpShellL, rot180));
1297   //
1298   // Pos  8 Pumping Elements
1299   //
1300   //  Anode array
1301   TGeoVolume* voRB24IpPE = new TGeoVolume("voRB24IpPE", new TGeoTube(0.9, 1., 2.54/2.), kMedSteel);
1302   Float_t kRB24IpPEAR = 5.5;
1303     
1304   for (Int_t i = 0; i < 15; i++) {
1305     Float_t phi = Float_t(i) * 24.;
1306     Float_t x   =  kRB24IpPEAR * TMath::Cos(kDegRad * phi);
1307     Float_t y   =  kRB24IpPEAR * TMath::Sin(kDegRad * phi);
1308     voRB24IpShellM->AddNode(voRB24IpPE, i+1, new TGeoTranslation(x, y, kRB24IpShellL));
1309   }
1310     
1311     
1312   //
1313   //  Cathodes
1314   //
1315   // Here we could add some Ti strips
1316
1317   // Postioning of elements
1318   voRB24AIpM->AddNode(voRB24IpRF,     1, new TGeoTranslation(0., 0., -kRB24AIpML/2.));
1319   voRB24AIpM->AddNode(voRB24IpRF,     2, new TGeoCombiTrans (0., 0., +kRB24AIpML/2., rot180));
1320   voRB24AIpM->AddNode(voRB24IpSTT,    1, new TGeoTranslation(0., 0., 0.));
1321   voRB24AIpM->AddNode(voRB24IpSTV,    1, new TGeoTranslation(0., 0., 0.));
1322   voRB24AIpM->AddNode(voRB24IpShellM, 1, new TGeoTranslation(0., 0., -kRB24AIpML/2. +  8.13));
1323   voRB24AIpM->AddNode(voRB24IpSTC,    1, new TGeoTranslation(0., 0., 8.13 - kRB24AIpML/2.));
1324   voRB24AIpM->AddNode(voRB24IpSTC,    2, new TGeoCombiTrans (0., 0., 8.14 + 8.9 - kRB24AIpML/2., rot180));
1325     
1326   //
1327   // Valve
1328   // VAC Series 47 DN 63 with manual actuator
1329   //
1330   const Float_t kRB24ValveWz = 7.5;
1331   const Float_t kRB24ValveDN = 10.0/2.;
1332   //
1333   //  Body containing the valve plate
1334   //
1335   const Float_t kRB24ValveBoWx =  15.6;
1336   const Float_t kRB24ValveBoWy = (21.5 + 23.1 - 5.);
1337   const Float_t kRB24ValveBoWz =  4.6;
1338   const Float_t kRB24ValveBoD  =  0.5;
1339
1340   TGeoVolume* voRB24ValveBoM =
1341     new TGeoVolume("RB24ValveBoM", 
1342                    new TGeoBBox( kRB24ValveBoWx/2.,  kRB24ValveBoWy/2., kRB24ValveBoWz/2.), kMedAir);
1343   voRB24ValveBoM->SetVisibility(0);
1344   TGeoVolume* voRB24ValveBo =
1345     new TGeoVolume("RB24ValveBo", 
1346                    new TGeoBBox( kRB24ValveBoWx/2.,  kRB24ValveBoWy/2., kRB24ValveBoWz/2.), kMedSteel);
1347   voRB24ValveBoM->AddNode(voRB24ValveBo, 1, gGeoIdentity);
1348   //
1349   // Inner volume
1350   //
1351   TGeoVolume* voRB24ValveBoI = new TGeoVolume("RB24ValveBoI", 
1352                                               new TGeoBBox( kRB24ValveBoWx/2. -  kRB24ValveBoD,  
1353                                                             kRB24ValveBoWy/2. -  kRB24ValveBoD/2., 
1354                                                             kRB24ValveBoWz/2. -  kRB24ValveBoD), 
1355                                               kMedVac);
1356   voRB24ValveBo->AddNode(voRB24ValveBoI, 1, new TGeoTranslation(0., kRB24ValveBoD/2., 0.));
1357   //
1358   // Opening and Flanges
1359   const Float_t  kRB24ValveFlRo = 18./2.;
1360   const Float_t  kRB24ValveFlD  = 1.45;    
1361   TGeoVolume* voRB24ValveBoA = new TGeoVolume("RB24ValveBoA", 
1362                                               new TGeoTube(0., kRB24ValveDN/2., kRB24ValveBoD/2.), kMedVac);
1363   voRB24ValveBo->AddNode(voRB24ValveBoA, 1, new TGeoTranslation(0., - kRB24ValveBoWy/2. + 21.5, -kRB24ValveBoWz/2. +  kRB24ValveBoD/2.));
1364   voRB24ValveBo->AddNode(voRB24ValveBoA, 2, new TGeoTranslation(0., - kRB24ValveBoWy/2. + 21.5, +kRB24ValveBoWz/2. -  kRB24ValveBoD/2.));
1365  
1366   TGeoVolume* voRB24ValveFl  = new TGeoVolume("RB24ValveFl",  new TGeoTube(kRB24ValveDN/2.,  kRB24ValveFlRo, kRB24ValveFlD/2.), kMedSteel);
1367   TGeoVolume* voRB24ValveFlI = new TGeoVolume("RB24ValveFlI", new TGeoTube(0.,               kRB24ValveFlRo, kRB24ValveFlD/2.), kMedVac);
1368   voRB24ValveFlI->AddNode(voRB24ValveFl, 1, gGeoIdentity);
1369     
1370   //
1371   // Actuator Flange
1372   const Float_t kRB24ValveAFlWx =  18.9;
1373   const Float_t kRB24ValveAFlWy =   5.0;
1374   const Float_t kRB24ValveAFlWz =   7.7;
1375   TGeoVolume* voRB24ValveAFl = new TGeoVolume("RB24ValveAFl", new TGeoBBox(kRB24ValveAFlWx/2., kRB24ValveAFlWy/2., kRB24ValveAFlWz/2.), kMedSteel);
1376   //
1377   // Actuator Tube
1378   const Float_t kRB24ValveATRo = 9.7/2.;
1379   const Float_t kRB24ValveATH  = 16.6;
1380   TGeoVolume* voRB24ValveAT = new TGeoVolume("RB24ValveAT", new TGeoTube(kRB24ValveATRo -  2. * kRB24ValveBoD,kRB24ValveATRo,  kRB24ValveATH/2.), 
1381                                              kMedSteel);
1382   //
1383   // Manual Actuator (my best guess)
1384   TGeoVolume* voRB24ValveMA1 = new TGeoVolume("RB24ValveMA1", new TGeoCone(2.5/2., 0., 0.5, 4.5, 5.), kMedSteel);
1385   TGeoVolume* voRB24ValveMA2 = new TGeoVolume("RB24ValveMA2", new TGeoTorus(5., 0., 1.25), kMedSteel);
1386   TGeoVolume* voRB24ValveMA3 = new TGeoVolume("RB24ValveMA3", new TGeoTube (0., 1.25, 2.5), kMedSteel);
1387     
1388
1389   //
1390   // Position all volumes
1391   Float_t y0;
1392   TGeoVolumeAssembly*  voRB24ValveMo = new TGeoVolumeAssembly("RB24ValveMo");
1393   voRB24ValveMo->AddNode(voRB24ValveFl,  1, new TGeoTranslation(0., 0., - 7.5/2. + kRB24ValveFlD/2.));
1394   voRB24ValveMo->AddNode(voRB24ValveFl,  2, new TGeoTranslation(0., 0., + 7.5/2. - kRB24ValveFlD/2.));
1395   y0 = -21.5;
1396   voRB24ValveMo->AddNode(voRB24ValveBoM, 1, new TGeoTranslation(0., y0 + kRB24ValveBoWy/2.,   0.));
1397   y0 +=  kRB24ValveBoWy;
1398   voRB24ValveMo->AddNode(voRB24ValveAFl, 1, new TGeoTranslation(0., y0 +  kRB24ValveAFlWy/2., 0.));
1399   y0 +=  kRB24ValveAFlWy;
1400   voRB24ValveMo->AddNode(voRB24ValveAT,  1, new TGeoCombiTrans(0.,  y0 + kRB24ValveATH/2.,    0., rotyz));
1401   y0 += kRB24ValveATH;
1402   voRB24ValveMo->AddNode(voRB24ValveMA1, 1, new TGeoCombiTrans(0.,  y0 + 2.5/2.,    0., rotyz));
1403   y0 += 2.5;
1404   voRB24ValveMo->AddNode(voRB24ValveMA2, 1, new TGeoCombiTrans(0.,  y0 + 2.5/2.,    0., rotyz));
1405   y0 += 2.5;
1406   voRB24ValveMo->AddNode(voRB24ValveMA3, 1, new TGeoCombiTrans(5./TMath::Sqrt(2.),  y0 + 5.0/2., 5./TMath::Sqrt(2.), rotyz));
1407   //
1408   // Warm Module Type VMABC
1409   // LHCVMABC_0002
1410   // 
1411   //
1412   //
1413   // Flange                  1.00
1414   // Central Piece          11.50
1415   // Bellow                 14.50
1416   // End Flange              1.00
1417   //===================================
1418   // Total                  28.00 
1419   //                        
1420   // Pos 1 Warm Bellows DN100       LHCVBU__0016
1421   // Pos 2 Trans. Tube Flange       LHCVSR__0062
1422   // Pos 3 RF Contact   D63         LHCVSR__0057
1423   // [Pos 4 Hex. Countersunk Screw   Bossard BN4719]
1424   // [Pos 5 Tension spring           LHCVSR__00239]
1425   //
1426
1427   // Pos 1 Warm Bellows DN100                   LHCVBU__0016
1428   // Pos 1.1 Right Body 2 Ports with Support    LHCVBU__0014
1429   //
1430   // Tube 1
1431   const Float_t kRB24VMABCRBT1Ri = 10.0/2.;
1432   const Float_t kRB24VMABCRBT1Ro = 10.3/2.;
1433   const Float_t kRB24VMABCRBT1L  = 11.5;   
1434   const Float_t kRB24VMABCRBT1L2 = 8.;
1435   const Float_t kRB24VMABCL      = 28.;
1436     
1437   TGeoTube* shRB24VMABCRBT1 = new TGeoTube(kRB24VMABCRBT1Ri, kRB24VMABCRBT1Ro, kRB24VMABCRBT1L/2.);
1438   shRB24VMABCRBT1->SetName("RB24VMABCRBT1");
1439   TGeoTube* shRB24VMABCRBT1o = new TGeoTube(0., kRB24VMABCRBT1Ro,  kRB24VMABCRBT1L/2.);
1440   shRB24VMABCRBT1o->SetName("RB24VMABCRBT1o");
1441   TGeoTube* shRB24VMABCRBT1o2 = new TGeoTube(0., kRB24VMABCRBT1Ro + 0.3, kRB24VMABCRBT1L/2.);
1442   shRB24VMABCRBT1o2->SetName("RB24VMABCRBT1o2");
1443   // Lower inforcement 
1444   TGeoVolume*  voRB24VMABCRBT12  = new TGeoVolume("RB24VMABCRBT12", 
1445                                                   new TGeoTubeSeg(kRB24VMABCRBT1Ro, kRB24VMABCRBT1Ro + 0.3, kRB24VMABCRBT1L2/2., 220., 320.)
1446                                                   , kMedSteel);
1447   //
1448   // Tube 2
1449   const Float_t kRB24VMABCRBT2Ri =   6.0/2.;
1450   const Float_t kRB24VMABCRBT2Ro =   6.3/2.;
1451   const Float_t kRB24VMABCRBF2Ro =  11.4/2.;
1452   const Float_t kRB24VMABCRBT2L  =   5.95 + 2.; // 2. cm added for welding    
1453   const Float_t kRB24VMABCRBF2L  =   1.75;
1454   TGeoTube* shRB24VMABCRBT2 = new TGeoTube(kRB24VMABCRBT2Ri, kRB24VMABCRBT2Ro,  kRB24VMABCRBT2L/2.);
1455   shRB24VMABCRBT2->SetName("RB24VMABCRBT2");
1456   TGeoTube* shRB24VMABCRBT2i = new TGeoTube(0., kRB24VMABCRBT2Ri, kRB24VMABCRBT2L/2. + 2.);
1457   shRB24VMABCRBT2i->SetName("RB24VMABCRBT2i");
1458   TGeoCombiTrans* tRBT2 = new TGeoCombiTrans(-11.5 + kRB24VMABCRBT2L/2., 0., 7.2 - kRB24VMABCRBT1L/2.  , rotxz);
1459   tRBT2->SetName("tRBT2");
1460   tRBT2->RegisterYourself();
1461   TGeoCompositeShape* shRB24VMABCRBT2c =  new TGeoCompositeShape("shRB24VMABCRBT2c","RB24VMABCRBT2:tRBT2-RB24VMABCRBT1o");
1462   TGeoVolume* voRB24VMABCRBT2 = new TGeoVolume("shRB24VMABCRBT2", shRB24VMABCRBT2c, kMedSteel);
1463   // Flange
1464   // Pos 1.4 Flange DN63                        LHCVBU__0008
1465   TGeoVolume* voRB24VMABCRBF2 = new TGeoVolume("RB24VMABCRBF2", 
1466                                                new TGeoTube(kRB24VMABCRBT2Ro, kRB24VMABCRBF2Ro, kRB24VMABCRBF2L/2.), kMedSteel);
1467   // DN63 Blank Flange (my best guess)
1468   TGeoVolume* voRB24VMABCRBF2B = new TGeoVolume("RB24VMABCRBF2B", 
1469                                                 new TGeoTube(0., kRB24VMABCRBF2Ro, kRB24VMABCRBF2L/2.), kMedSteel);
1470   //
1471   // Tube 3
1472   const Float_t kRB24VMABCRBT3Ri =  3.5/2.;
1473   const Float_t kRB24VMABCRBT3Ro =  3.8/2.;
1474   const Float_t kRB24VMABCRBF3Ro =  7.0/2.;
1475   const Float_t kRB24VMABCRBT3L  =  4.95 + 2.; // 2. cm added for welding    
1476   const Float_t kRB24VMABCRBF3L  =  1.27;
1477   TGeoTube* shRB24VMABCRBT3 = new TGeoTube(kRB24VMABCRBT3Ri, kRB24VMABCRBT3Ro,  kRB24VMABCRBT3L/2);
1478   shRB24VMABCRBT3->SetName("RB24VMABCRBT3");
1479   TGeoTube* shRB24VMABCRBT3i = new TGeoTube(0., kRB24VMABCRBT3Ri, kRB24VMABCRBT3L/2. + 2.);
1480   shRB24VMABCRBT3i->SetName("RB24VMABCRBT3i");
1481   TGeoCombiTrans* tRBT3 = new TGeoCombiTrans(0., 10.5 - kRB24VMABCRBT3L/2., 7.2 - kRB24VMABCRBT1L/2.  , rotyz);
1482   tRBT3->SetName("tRBT3");
1483   tRBT3->RegisterYourself();
1484   TGeoCompositeShape* shRB24VMABCRBT3c =  new TGeoCompositeShape("shRB24VMABCRBT3c","RB24VMABCRBT3:tRBT3-RB24VMABCRBT1o");
1485   TGeoVolume* voRB24VMABCRBT3 = new TGeoVolume("shRB24VMABCRBT3", shRB24VMABCRBT3c, kMedSteel);
1486   // Flange
1487   // Pos 1.4 Flange DN35                        LHCVBU__0007
1488   TGeoVolume* voRB24VMABCRBF3 = new TGeoVolume("RB24VMABCRBF3", 
1489                                                new TGeoTube(kRB24VMABCRBT3Ro, kRB24VMABCRBF3Ro, kRB24VMABCRBF3L/2.), kMedSteel);
1490   //
1491   // Tube 4
1492   const Float_t kRB24VMABCRBT4Ri =  6.0/2.;
1493   const Float_t kRB24VMABCRBT4Ro =  6.4/2.;
1494   const Float_t kRB24VMABCRBT4L  =  6.6;    
1495   TGeoTube* shRB24VMABCRBT4 = new TGeoTube(kRB24VMABCRBT4Ri, kRB24VMABCRBT4Ro,  kRB24VMABCRBT4L/2.);
1496   shRB24VMABCRBT4->SetName("RB24VMABCRBT4");
1497   TGeoCombiTrans* tRBT4 = new TGeoCombiTrans(0.,-11.+kRB24VMABCRBT4L/2., 7.2 - kRB24VMABCRBT1L/2.  , rotyz);
1498   tRBT4->SetName("tRBT4");
1499   tRBT4->RegisterYourself();
1500   TGeoCompositeShape* shRB24VMABCRBT4c =  new TGeoCompositeShape("shRB24VMABCRBT4c","RB24VMABCRBT4:tRBT4-RB24VMABCRBT1o2");
1501   TGeoVolume* voRB24VMABCRBT4 = new TGeoVolume("shRB24VMABCRBT4", shRB24VMABCRBT4c, kMedSteel);
1502   TGeoCompositeShape* shRB24VMABCRB = new TGeoCompositeShape("shRB24VMABCRB", "RB24VMABCRBT1-(RB24VMABCRBT2i:tRBT2+RB24VMABCRBT3i:tRBT3)");
1503   TGeoVolume* voRB24VMABCRBI = new TGeoVolume("RB24VMABCRBI", shRB24VMABCRB, kMedSteel);
1504   //
1505   // Plate
1506   const Float_t kRB24VMABCRBBx = 16.0;
1507   const Float_t kRB24VMABCRBBy =  1.5;
1508   const Float_t kRB24VMABCRBBz = 15.0;
1509     
1510   // Relative position of tubes
1511   const Float_t  kRB24VMABCTz =   7.2;
1512   // Relative position of plate
1513   const Float_t  kRB24VMABCPz =   3.6;
1514   const Float_t  kRB24VMABCPy = -12.5;
1515     
1516   TGeoVolume* voRB24VMABCRBP = new TGeoVolume("RB24VMABCRBP", new TGeoBBox(kRB24VMABCRBBx/2., kRB24VMABCRBBy/2., kRB24VMABCRBBz/2.), kMedSteel);
1517   //
1518   // Pirani Gauge (my best guess)
1519   //
1520   TGeoPcon* shRB24VMABCPirani = new TGeoPcon(0., 360., 15);
1521   // DN35/16 Coupling
1522   z = 0;
1523   shRB24VMABCPirani->DefineSection( 0, z,  0.8 , kRB24VMABCRBF3Ro);
1524   z += kRB24VMABCRBF3L; // 1.3
1525   shRB24VMABCPirani->DefineSection( 1, z,  0.8 , kRB24VMABCRBF3Ro);
1526   shRB24VMABCPirani->DefineSection( 2, z,  0.8 , 1.0);
1527   // Pipe
1528   z += 2.8;
1529   shRB24VMABCPirani->DefineSection( 3, z,  0.8 , 1.0);
1530   // Flange
1531   shRB24VMABCPirani->DefineSection( 4, z,  0.8 , 1.75);
1532   z += 1.6;
1533   shRB24VMABCPirani->DefineSection( 5, z,  0.8 , 1.75);
1534   shRB24VMABCPirani->DefineSection( 6, z,  0.8 , 1.0);
1535   z += 5.2;
1536   shRB24VMABCPirani->DefineSection( 7, z,  0.8 , 1.0);
1537   shRB24VMABCPirani->DefineSection( 8, z,  0.8 , 2.5);    
1538   z += 2.0;
1539   shRB24VMABCPirani->DefineSection( 9, z,  0.80, 2.50);    
1540   shRB24VMABCPirani->DefineSection(10, z,  1.55, 1.75);    
1541   z += 5.7;
1542   shRB24VMABCPirani->DefineSection(11, z,  1.55, 1.75);    
1543   shRB24VMABCPirani->DefineSection(11, z,  0.00, 1.75);    
1544   z += 0.2;
1545   shRB24VMABCPirani->DefineSection(12, z,  0.00, 1.75);    
1546   shRB24VMABCPirani->DefineSection(13, z,  0.00, 0.75);    
1547   z += 0.5;
1548   shRB24VMABCPirani->DefineSection(14, z,  0.00, 0.75);  
1549   TGeoVolume* voRB24VMABCPirani = new TGeoVolume("RB24VMABCPirani", shRB24VMABCPirani, kMedSteel);
1550   //
1551   //
1552   // 
1553     
1554     
1555   //
1556   // Positioning of elements
1557   TGeoVolumeAssembly* voRB24VMABCRB = new TGeoVolumeAssembly("RB24VMABCRB");
1558   //
1559   voRB24VMABCRB->AddNode(voRB24VMABCRBI,   1, gGeoIdentity);
1560   // Plate
1561   voRB24VMABCRB->AddNode(voRB24VMABCRBP,   1, new TGeoTranslation(0., kRB24VMABCPy +  kRB24VMABCRBBy /2., 
1562                                                                   kRB24VMABCRBBz/2. - kRB24VMABCRBT1L/2. +  kRB24VMABCPz));
1563   // Tube 2
1564   voRB24VMABCRB->AddNode(voRB24VMABCRBT2,  1, gGeoIdentity);
1565   // Flange Tube 2
1566   voRB24VMABCRB->AddNode(voRB24VMABCRBF2,  1, new TGeoCombiTrans(kRB24VMABCPy + kRB24VMABCRBF2L/2., 0.,  kRB24VMABCTz - kRB24VMABCRBT1L/2., rotxz));
1567   // Blank Flange Tube 2
1568   voRB24VMABCRB->AddNode(voRB24VMABCRBF2B, 1, new TGeoCombiTrans(kRB24VMABCPy- kRB24VMABCRBF2L/2., 0.,  kRB24VMABCTz - kRB24VMABCRBT1L/2., rotxz));    
1569   // Tube 3
1570   voRB24VMABCRB->AddNode(voRB24VMABCRBT3,  1, gGeoIdentity);
1571   // Flange Tube 3
1572   voRB24VMABCRB->AddNode(voRB24VMABCRBF3,  1, new TGeoCombiTrans(0.,   11.2 - kRB24VMABCRBF3L/2.,  kRB24VMABCTz - kRB24VMABCRBT1L/2., rotyz));
1573   // Pirani Gauge
1574   voRB24VMABCRB->AddNode(voRB24VMABCPirani, 1, new  TGeoCombiTrans(0., 11.2,  kRB24VMABCTz - kRB24VMABCRBT1L/2., rotyz));
1575   // Tube 4
1576   voRB24VMABCRB->AddNode(voRB24VMABCRBT4,  1, gGeoIdentity);
1577   // Inforcement 
1578   voRB24VMABCRB->AddNode(voRB24VMABCRBT12, 1, new TGeoTranslation(0., 0., kRB24VMABCRBT1L2/2. - kRB24VMABCRBT1L/2. + 2.8));
1579     
1580
1581   // Pos 1.3 Bellows with end part              LHCVBU__0002
1582   //
1583   // Connection Tube    
1584   // Connection tube inner r
1585   const Float_t kRB24VMABBEConTubeRin        = 10.0/2.;
1586   // Connection tube outer r
1587   const Float_t kRB24VMABBEConTubeRou        = 10.3/2.;
1588   // Connection tube length
1589   const Float_t kRB24VMABBEConTubeL1         =  0.9;
1590   const Float_t kRB24VMABBEConTubeL2         =  2.6;
1591   //  const Float_t RB24VMABBEBellowL            =  kRB24VMABBEConTubeL1 + kRB24VMABBEConTubeL2 + kRB24B1BellowUndL;
1592     
1593   // Mother volume
1594   TGeoPcon* shRB24VMABBEBellowM = new TGeoPcon(0., 360., 6);
1595   // Connection Tube and Flange
1596   z = 0.;
1597   shRB24VMABBEBellowM->DefineSection( 0, z, kRB24VMABBEConTubeRin,  kRB24VMABBEConTubeRou);
1598   z += kRB24VMABBEConTubeL1;
1599   shRB24VMABBEBellowM->DefineSection( 1, z, kRB24VMABBEConTubeRin, kRB24VMABBEConTubeRou);
1600   shRB24VMABBEBellowM->DefineSection( 2, z, kRB24B1BellowRi,       kRB24B1BellowRo + kRB24B1ProtTubeThickness);
1601   z += kRB24B1BellowUndL;
1602   shRB24VMABBEBellowM->DefineSection( 3, z, kRB24B1BellowRi,       kRB24B1BellowRo + kRB24B1ProtTubeThickness);
1603   shRB24VMABBEBellowM->DefineSection( 4, z, kRB24VMABBEConTubeRin,  kRB24VMABBEConTubeRou);
1604   z += kRB24VMABBEConTubeL2;
1605   shRB24VMABBEBellowM->DefineSection( 5, z, kRB24VMABBEConTubeRin,  kRB24VMABBEConTubeRou);
1606   TGeoVolume* voRB24VMABBEBellowM = new TGeoVolume("RB24VMABBEBellowM", shRB24VMABBEBellowM, kMedVac);
1607   voRB24VMABBEBellowM->SetVisibility(0);
1608     
1609   //  Connection tube left
1610   TGeoVolume* voRB24VMABBECT1 = new TGeoVolume("RB24VMABBECT1", 
1611                                                new TGeoTube(kRB24VMABBEConTubeRin, kRB24VMABBEConTubeRou,kRB24VMABBEConTubeL1/2.),
1612                                                kMedSteel);
1613   //  Connection tube right
1614   TGeoVolume* voRB24VMABBECT2 = new TGeoVolume("RB24VMABBECT2", 
1615                                                new TGeoTube(kRB24VMABBEConTubeRin, kRB24VMABBEConTubeRou,kRB24VMABBEConTubeL2/2.),
1616                                                kMedSteel);
1617   z = kRB24VMABBEConTubeL1/2.;
1618   voRB24VMABBEBellowM->AddNode(voRB24VMABBECT1, 1, new TGeoTranslation(0., 0., z));
1619   z += kRB24VMABBEConTubeL1/2.;
1620   z += kRB24B1BellowUndL/2.;
1621   voRB24VMABBEBellowM->AddNode(voRB24B1Bellow, 2, new TGeoTranslation(0., 0., z));
1622   z += kRB24B1BellowUndL/2.;
1623   z += kRB24VMABBEConTubeL2/2.;
1624   voRB24VMABBEBellowM->AddNode(voRB24VMABBECT2, 1, new TGeoTranslation(0., 0., z));
1625   z += kRB24VMABBEConTubeL2/2.;
1626
1627   voRB24VMABCRB->AddNode(voRB24VMABBEBellowM, 1, new TGeoTranslation(0., 0., kRB24VMABCRBT1L/2.));
1628
1629   // Pos 1.2 Rotable flange                     LHCVBU__0013[*]
1630   // Front
1631   voRB24VMABCRB->AddNode(voRB24B1RFlange,  3, new TGeoCombiTrans(0., 0., - kRB24VMABCRBT1L/2. + 0.86, rot180));
1632   // End
1633   z =  kRB24VMABCRBT1L/2. + kRB24B1BellowUndL +kRB24VMABBEConTubeL1 +  kRB24VMABBEConTubeL2;
1634   voRB24VMABCRB->AddNode(voRB24B1RFlange,  4, new TGeoTranslation(0., 0., z - 0.86));
1635
1636
1637   // Pos 2    Trans. Tube Flange       LHCVSR__0062
1638   // Pos 2.1  Transition Tube          LHCVSR__0063
1639   // Pos 2.2  Transition Flange        LHCVSR__0060
1640   //
1641   // Transition Tube with Flange
1642   TGeoPcon* shRB24VMABCTT = new TGeoPcon(0., 360., 7);
1643   z = 0.;
1644   shRB24VMABCTT->DefineSection(0, z, 6.3/2., 11.16/2.);
1645   z += 0.25;
1646   shRB24VMABCTT->DefineSection(1, z, 6.3/2., 11.16/2.);
1647   shRB24VMABCTT->DefineSection(2, z, 6.3/2.,  9.30/2.);
1648   z += 0.25;
1649   shRB24VMABCTT->DefineSection(3, z, 6.3/2.,  9.30/2.);
1650   shRB24VMABCTT->DefineSection(4, z, 6.3/2.,  6.70/2.);
1651   z += (20.35 - 0.63);
1652   shRB24VMABCTT->DefineSection(5, z, 6.3/2.,  6.7/2.);
1653   z += 0.63;
1654   shRB24VMABCTT->DefineSection(6, z, 6.3/2.,  6.7/2.);
1655   TGeoVolume* voRB24VMABCTT = new TGeoVolume("RB24VMABCTT", shRB24VMABCTT, kMedSteel);
1656   voRB24VMABCRB->AddNode(voRB24VMABCTT, 1, new TGeoTranslation(0., 0., - kRB24VMABCRBT1L/2.-1.));
1657
1658   // Pos 3   RF Contact   D63         LHCVSR__0057
1659   // Pos 3.1 RF Contact Flange        LHCVSR__0017
1660   //
1661   TGeoPcon* shRB24VMABCCTFlange = new TGeoPcon(0., 360., 6);
1662   const Float_t kRB24VMABCCTFlangeRin  = 6.36/2.;  // Inner radius
1663   const Float_t kRB24VMABCCTFlangeL    = 1.30;     // Length
1664     
1665   z = 0.;
1666   shRB24VMABCCTFlange->DefineSection(0, z, kRB24VMABCCTFlangeRin,  6.5/2.);
1667   z += 0.15;
1668   shRB24VMABCCTFlange->DefineSection(1, z, kRB24VMABCCTFlangeRin,  6.5/2.);
1669   shRB24VMABCCTFlange->DefineSection(2, z, kRB24VMABCCTFlangeRin,  6.9/2.);
1670   z += 0.9;
1671   shRB24VMABCCTFlange->DefineSection(3, z, kRB24VMABCCTFlangeRin,  6.9/2.);
1672   shRB24VMABCCTFlange->DefineSection(4, z, kRB24VMABCCTFlangeRin, 11.16/2.);
1673   z += 0.25;
1674   shRB24VMABCCTFlange->DefineSection(5, z, kRB24VMABCCTFlangeRin, 11.16/2.);
1675   TGeoVolume* voRB24VMABCCTFlange = new TGeoVolume("RB24VMABCCTFlange", shRB24VMABCCTFlange, kMedCu);
1676   //
1677   // Pos 3.2 RF-Contact        LHCVSR__0056
1678   //
1679   TGeoPcon* shRB24VMABCCT = new TGeoPcon(0., 360., 4);
1680   const Float_t kRB24VMABCCTRin  = 6.30/2.;        // Inner radius
1681   const Float_t kRB24VMABCCTCRin = 7.29/2.;        // Max. inner radius conical section
1682   const Float_t kRB24VMABCCTL    = 11.88;          // Length
1683   const Float_t kRB24VMABCCTSL   = 10.48;          // Length of straight section
1684   const Float_t kRB24VMABCCTd    =  0.03;          // Thickness
1685   z = 0;
1686   shRB24VMABCCT->DefineSection(0, z,  kRB24VMABCCTCRin,  kRB24VMABCCTCRin + kRB24VMABCCTd);
1687   z =  kRB24VMABCCTL -  kRB24VMABCCTSL;
1688   shRB24VMABCCT->DefineSection(1, z,  kRB24VMABCCTRin + 0.35,  kRB24VMABCCTRin + 0.35 + kRB24VMABCCTd);
1689   z = kRB24VMABCCTL  -  kRB24VMABCCTFlangeL;
1690   shRB24VMABCCT->DefineSection(2, z,  kRB24VMABCCTRin,  kRB24VMABCCTRin + kRB24VMABCCTd);
1691   z = kRB24VMABCCTL;
1692   shRB24VMABCCT->DefineSection(3, z,  kRB24VMABCCTRin,  kRB24VMABCCTRin + kRB24VMABCCTd);
1693
1694   TGeoVolume* voRB24VMABCCT = new TGeoVolume("RB24VMABCCT", shRB24VMABCCT, kMedCu);
1695     
1696   TGeoVolumeAssembly* voRB24VMABRFCT = new TGeoVolumeAssembly("RB24VMABRFCT");
1697   voRB24VMABRFCT->AddNode(voRB24VMABCCT,        1, gGeoIdentity);
1698   voRB24VMABRFCT->AddNode( voRB24VMABCCTFlange, 1, new TGeoTranslation(0., 0.,  kRB24VMABCCTL - kRB24VMABCCTFlangeL));
1699
1700   z =  kRB24VMABCRBT1L/2. + kRB24B1BellowUndL + kRB24VMABBEConTubeL1 +  kRB24VMABBEConTubeL2 - kRB24VMABCCTL + 1.;    
1701   voRB24VMABCRB->AddNode(voRB24VMABRFCT, 1, new TGeoTranslation(0., 0., z));
1702
1703
1704   //
1705   // Assembling RB24/1
1706   //    
1707   TGeoVolumeAssembly* voRB24 = new TGeoVolumeAssembly("RB24");
1708   // Cu Tube with two simplified flanges
1709   voRB24->AddNode(voRB24CuTubeM, 1, gGeoIdentity);
1710   voRB24->AddNode(voRB24CuTubeA, 1, gGeoIdentity);
1711   z = - kRB24CuTubeL/2 + kRB24CuTubeFL/2.;
1712   voRB24->AddNode(voRB24CuTubeF, 1, new TGeoTranslation(0., 0., z));
1713   z = + kRB24CuTubeL/2 - kRB24CuTubeFL/2.;
1714   voRB24->AddNode(voRB24CuTubeF, 2, new TGeoTranslation(0., 0., z));
1715   // VMABC close to compensator magnet
1716   z = - kRB24CuTubeL/2. -  (kRB24VMABCL - kRB24VMABCRBT1L/2) + 1.;
1717     
1718   voRB24->AddNode(voRB24VMABCRB, 2, new TGeoTranslation(0., 0., z));
1719   // Bellow
1720   z =  kRB24CuTubeL/2;
1721   voRB24->AddNode(voRB24B1BellowM, 1, new TGeoTranslation(0., 0., z));
1722   z +=  (kRB24B1L +  kRB24AIpML/2.);
1723   // Annular ion pump
1724   voRB24->AddNode(voRB24AIpM, 1, new TGeoTranslation(0., 0., z));
1725   z +=  (kRB24AIpML/2. +  kRB24ValveWz/2.);
1726   // Valve
1727   voRB24->AddNode(voRB24ValveMo, 1, new TGeoTranslation(0., 0., z));
1728   z += (kRB24ValveWz/2.+ kRB24VMABCRBT1L/2. + 1.);
1729   // VMABC close to forward detectors
1730   voRB24->AddNode(voRB24VMABCRB, 3, new TGeoTranslation(0., 0., z));
1731   //
1732   //   RB24/2
1733   //     
1734   // Copper Tube RB24/2
1735   const Float_t  kRB242CuTubeL  = 330.0;
1736     
1737   TGeoVolume* voRB242CuTubeM = new TGeoVolume("voRB242CuTubeM", 
1738                                               new TGeoTube(0., kRB24CuTubeRo, kRB242CuTubeL/2.), kMedVac);
1739   voRB24CuTubeM->SetVisibility(0);
1740   TGeoVolume* voRB242CuTube = new TGeoVolume("voRB242CuTube", 
1741                                              new TGeoTube(kRB24CuTubeRi, kRB24CuTubeRo, kRB242CuTubeL/2.), kMedCu);
1742   voRB242CuTubeM->AddNode(voRB242CuTube, 1, gGeoIdentity);
1743     
1744
1745   TGeoVolumeAssembly* voRB242 = new TGeoVolumeAssembly("RB242");
1746   voRB242->AddNode(voRB242CuTube, 1, gGeoIdentity);
1747   z = - kRB242CuTubeL/2 + kRB24CuTubeFL/2.;
1748   voRB242->AddNode(voRB24CuTubeF, 3, new TGeoTranslation(0., 0., z));
1749   z = + kRB242CuTubeL/2 - kRB24CuTubeFL/2.;
1750   voRB242->AddNode(voRB24CuTubeF, 4, new TGeoTranslation(0., 0., z));
1751   z = - kRB24CuTubeL/2 - kRB24VMABCL - kRB242CuTubeL/2.;
1752   voRB24->AddNode(voRB242, 1, new TGeoTranslation(0., 0., z));
1753   //
1754   //   RB24/3
1755   //     
1756   // Copper Tube RB24/3
1757   const Float_t  kRB243CuTubeL  = 303.35;
1758     
1759   TGeoVolume* voRB243CuTubeM = new TGeoVolume("voRB243CuTubeM", 
1760                                               new TGeoTube(0., kRB24CuTubeRo, kRB243CuTubeL/2.), kMedVac);
1761   voRB24CuTubeM->SetVisibility(0);
1762   TGeoVolume* voRB243CuTube = new TGeoVolume("voRB243CuTube", 
1763                                              new TGeoTube(kRB24CuTubeRi, kRB24CuTubeRo, kRB243CuTubeL/2.), kMedCu);
1764   voRB243CuTubeM->AddNode(voRB243CuTube, 1, gGeoIdentity);
1765     
1766
1767   TGeoVolumeAssembly* voRB243  = new TGeoVolumeAssembly("RB243");
1768   TGeoVolumeAssembly* voRB243A = new TGeoVolumeAssembly("RB243A");
1769     
1770   voRB243A->AddNode(voRB243CuTube, 1, gGeoIdentity);
1771   z = - kRB243CuTubeL/2 + kRB24CuTubeFL/2.;
1772   voRB243A->AddNode(voRB24CuTubeF, 5, new TGeoTranslation(0., 0., z));
1773   z = + kRB243CuTubeL/2 - kRB24CuTubeFL/2.;
1774   voRB243A->AddNode(voRB24CuTubeF,    6, new TGeoTranslation(0., 0., z));
1775   z = + kRB243CuTubeL/2;
1776   voRB243A->AddNode(voRB24B1BellowM,  2, new TGeoTranslation(0., 0., z));    
1777
1778   z = - kRB243CuTubeL/2.  - kRB24B1L;
1779   voRB243->AddNode(voRB243A, 1, new TGeoTranslation(0., 0., z));    
1780   z = - (1.5 * kRB243CuTubeL + 2. * kRB24B1L);
1781   voRB243->AddNode(voRB243A, 2, new TGeoTranslation(0., 0., z));    
1782
1783   z = - 2. * (kRB243CuTubeL + kRB24B1L) - (kRB24VMABCL - kRB24VMABCRBT1L/2) + 1.;
1784   voRB243->AddNode(voRB24VMABCRB, 3, new TGeoTranslation(0., 0., z));    
1785     
1786   z = - kRB24CuTubeL/2 - kRB24VMABCL - kRB242CuTubeL;
1787   voRB24->AddNode(voRB243, 1, new TGeoTranslation(0., 0., z));
1788
1789
1790   //
1791   //
1792   top->AddNode(voRB24, 1, new TGeoCombiTrans(0., 0., kRB24CuTubeL/2 + 88.5 + 400., rot180));
1793
1794
1795   // 
1796   ////////////////////////////////////////////////////////////////////////////////     
1797   //                                                                            //
1798   //                                  The Absorber Vacuum system                // 
1799   //                                                                            //
1800   ////////////////////////////////////////////////////////////////////////////////
1801   //
1802   //    Rotable Flange starts at:            82.00 cm from IP      
1803   //    Length of rotable flange section:    10.68 cm             
1804   //    Weld                                  0.08 cm                  
1805   //    Length of straight section          207.21 cm
1806   //    =======================================================================
1807   //                                        299.97 cm  [0.03 cm missing ?]
1808   //    Length of opening cone              252.09 cm
1809   //    Weld                                  0.15 cm                
1810   //    Length of compensator                30.54 cm
1811   //    Weld                                  0.15 cm                
1812   //    Length of fixed flange  2.13 - 0.97   1.16 cm
1813   //    ======================================================================= 
1814   //                                        584.06 cm [584.80 installed] [0.74 cm missing]
1815   //    RB26/3
1816   //    Length of split flange  2.13 - 1.2    0.93 cm
1817   //    Weld                                  0.15 cm                
1818   //    Length of fixed point section        16.07 cm               
1819   //    Weld                                  0.15 cm                
1820   //    Length of opening cone              629.20 cm
1821   //    Weld                                  0.30 cm                
1822   //    Kength of the compensator            41.70 cm
1823   //    Weld                                  0.30 cm                
1824   //    Length of fixed flange  2.99 - 1.72   1.27 cm
1825   // =================================================
1826   //    Length of RB26/3                    690.07 cm [689.20 installed] [0.87 cm too much] 
1827   //
1828   //    RB26/4-5
1829   //    Length of split flange  2.13 - 1.2    0.93 cm
1830   //    Weld                                  0.15 cm                
1831   //    Length of fixed point section        16.07 cm               
1832   //    Weld                                  0.15 cm                
1833   //    Length of opening cone              629.20 cm
1834   //    Weld                                  0.30 cm                
1835   //    Length of closing cone
1836   //    Weld
1837   //    Lenth of straight section 
1838   //    Kength of the compensator            41.70 cm
1839   //    Weld                                  0.30 cm                
1840   //    Length of fixed flange  2.99 - 1.72   1.27 cm
1841   // =================================================
1842   //    Length of RB26/3                    690.07 cm [689.20 installed] [0.87 cm too much] 
1843       
1844   ///////////////////////////////////////////
1845   //                                       //
1846   //    RB26/1-2                           //  
1847   //    Drawing LHCV2a_0050 [as installed] //
1848   //    Drawing LHCV2a_0008                //
1849   //    Drawing LHCV2a_0001                //
1850   ///////////////////////////////////////////
1851   //    Pos1 Vacuum Tubes   LHCVC2A__0010
1852   //    Pos2 Compensator    LHCVC2A__0064
1853   //    Pos3 Rotable Flange LHCVFX___0016
1854   //    Pos4 Fixed Flange   LHCVFX___0006
1855   //    Pos5 Bellow Tooling LHCVFX___0003
1856   //
1857   //             
1858   //
1859   ///////////////////////////////////
1860   //    RB26/1-2 Vacuum Tubes      //
1861   //    Drawing  LHCVC2a_0010      //
1862   ///////////////////////////////////
1863   const Float_t kRB26s12TubeL = 459.45; // 0.15 cm added for welding       
1864   //
1865   // Add 1 cm on outer diameter for insulation
1866   //
1867   TGeoPcon* shRB26s12Tube = new TGeoPcon(0., 360., 5);
1868   // Section 1: straight section
1869   shRB26s12Tube->DefineSection(0,   0.00,         5.84/2.,  6.00/2.);
1870   shRB26s12Tube->DefineSection(1, 207.21,         5.84/2.,  6.00/2.);      
1871   // Section 2: 0.72 deg opening cone
1872   shRB26s12Tube->DefineSection(2, 207.21,         5.84/2.,  6.14/2.);      
1873   shRB26s12Tube->DefineSection(3, 452.30,        12.00/2., 12.30/2.);      
1874   shRB26s12Tube->DefineSection(4, kRB26s12TubeL, 12.00/2., 12.30/2.); 
1875   TGeoVolume* voRB26s12Tube  = new TGeoVolume("RB26s12Tube", shRB26s12Tube, kMedSteel);
1876   // Add the insulation layer    
1877   TGeoVolume* voRB26s12TubeIns = new TGeoVolume("RB26s12TubeIns", MakeInsulationFromTemplate(shRB26s12Tube), kMedInsu); 
1878   voRB26s12Tube->AddNode(voRB26s12TubeIns, 1, gGeoIdentity);
1879
1880  
1881   TGeoVolume* voRB26s12TubeM  = new TGeoVolume("RB26s12TubeM", MakeMotherFromTemplate(shRB26s12Tube), kMedVac);
1882   voRB26s12TubeM->AddNode(voRB26s12Tube, 1, gGeoIdentity);
1883       
1884
1885       
1886   ///////////////////////////////////
1887   //    RB26/2   Axial Compensator //
1888   //    Drawing  LHCVC2a_0064      //
1889   ///////////////////////////////////
1890   const Float_t kRB26s2CompL             = 30.65;    // Length of the compensator
1891   const Float_t kRB26s2BellowRo          = 14.38/2.; // Bellow outer radius        [Pos 1]
1892   const Float_t kRB26s2BellowRi          = 12.12/2.; // Bellow inner radius        [Pos 1] 
1893   const Int_t   kRB26s2NumberOfPlies     = 14;       // Number of plies            [Pos 1] 
1894   const Float_t kRB26s2BellowUndL        = 10.00;    // Length of undulated region [Pos 1]  [+10 mm installed including pretension ?] 
1895   const Float_t kRB26s2PlieThickness     =  0.025;   // Plie thickness             [Pos 1]
1896   const Float_t kRB26s2ConnectionPlieR   =  0.21;    // Connection plie radius     [Pos 1] 
1897   //  Plie radius
1898   const Float_t kRB26s2PlieR = 
1899     (kRB26s2BellowUndL - 4. *  kRB26s2ConnectionPlieR + 2. * kRB26s2PlieThickness + 
1900      (2. *  kRB26s2NumberOfPlies - 2.) * kRB26s2PlieThickness) / (4. * kRB26s2NumberOfPlies - 2.);
1901   const Float_t kRB26s2CompTubeInnerR    = 12.00/2.;  // Connection tubes inner radius     [Pos 2 + 3]
1902   const Float_t kRB26s2CompTubeOuterR    = 12.30/2.;  // Connection tubes outer radius     [Pos 2 + 3]
1903   const Float_t kRB26s2WeldingTubeLeftL  =  9.00/2.;  // Left connection tube half length  [Pos 2]
1904   const Float_t kRB26s2WeldingTubeRightL = 11.65/2.;  // Right connection tube half length [Pos 3]  [+ 0.15 cm for welding]
1905   const Float_t kRB26s2RingOuterR        = 18.10/2.;  // Ring inner radius                 [Pos 4]
1906   const Float_t kRB26s2RingL             =  0.40/2.;  // Ring half length                  [Pos 4]
1907   const Float_t kRB26s2RingZ             =  6.50   ;  // Ring z-position                   [Pos 4]
1908   const Float_t kRB26s2ProtOuterR        = 18.20/2.;  // Protection tube outer radius      [Pos 5]
1909   const Float_t kRB26s2ProtL             = 15.00/2.;  // Protection tube half length       [Pos 5]
1910   const Float_t kRB26s2ProtZ             =  6.70   ;  // Protection tube z-position        [Pos 5]
1911    
1912       
1913   // Mother volume
1914   //
1915   TGeoPcon* shRB26s2Compensator  = new TGeoPcon(0., 360., 6);
1916   shRB26s2Compensator->DefineSection( 0,   0.0, 0., kRB26s2CompTubeOuterR);
1917   shRB26s2Compensator->DefineSection( 1,   kRB26s2RingZ, 0., kRB26s2CompTubeOuterR);      
1918   shRB26s2Compensator->DefineSection( 2,   kRB26s2RingZ, 0., kRB26s2ProtOuterR);      
1919   shRB26s2Compensator->DefineSection( 3,   kRB26s2ProtZ + 2. * kRB26s2ProtL, 0., kRB26s2ProtOuterR);            
1920   shRB26s2Compensator->DefineSection( 4,   kRB26s2ProtZ + 2. * kRB26s2ProtL, 0., kRB26s2CompTubeOuterR);
1921   shRB26s2Compensator->DefineSection( 5,   kRB26s2CompL                    , 0., kRB26s2CompTubeOuterR);            
1922   TGeoVolume* voRB26s2Compensator  = new TGeoVolume("RB26s2Compensator", shRB26s2Compensator, kMedVac);
1923             
1924   //
1925   // [Pos 1] Bellow
1926   //      
1927   //
1928   TGeoVolume* voRB26s2Bellow = new TGeoVolume("RB26s2Bellow", new TGeoTube(kRB26s2BellowRi, kRB26s2BellowRo, kRB26s2BellowUndL/2.), kMedVac);
1929   //      
1930   //  Upper part of the undulation
1931   //
1932   TGeoTorus* shRB26s2PlieTorusU  =  new TGeoTorus(kRB26s2BellowRo - kRB26s2PlieR, kRB26s2PlieR - kRB26s2PlieThickness, kRB26s2PlieR);
1933   shRB26s2PlieTorusU->SetName("RB26s2TorusU");
1934   TGeoTube*  shRB26s2PlieTubeU   =  new TGeoTube (kRB26s2BellowRo - kRB26s2PlieR, kRB26s2BellowRo, kRB26s2PlieR);
1935   shRB26s2PlieTubeU->SetName("RB26s2TubeU");
1936   TGeoCompositeShape*  shRB26s2UpperPlie = new TGeoCompositeShape("RB26s2UpperPlie", "RB26s2TorusU*RB26s2TubeU");
1937  
1938   TGeoVolume* voRB26s2WiggleU = new TGeoVolume("RB26s2UpperPlie", shRB26s2UpperPlie, kMedSteel);
1939   //
1940   // Lower part of the undulation
1941   TGeoTorus* shRB26s2PlieTorusL =  new TGeoTorus(kRB26s2BellowRi + kRB26s2PlieR, kRB26s2PlieR - kRB26s2PlieThickness, kRB26s2PlieR);
1942   shRB26s2PlieTorusL->SetName("RB26s2TorusL");
1943   TGeoTube*  shRB26s2PlieTubeL   =  new TGeoTube (kRB26s2BellowRi, kRB26s2BellowRi + kRB26s2PlieR, kRB26s2PlieR);
1944   shRB26s2PlieTubeL->SetName("RB26s2TubeL");
1945   TGeoCompositeShape*  shRB26s2LowerPlie = new TGeoCompositeShape("RB26s2LowerPlie", "RB26s2TorusL*RB26s2TubeL");
1946       
1947   TGeoVolume* voRB26s2WiggleL = new TGeoVolume("RB26s2LowerPlie", shRB26s2LowerPlie, kMedSteel); 
1948
1949   //
1950   // Connection between upper and lower part of undulation
1951   TGeoVolume* voRB26s2WiggleC1 = new TGeoVolume("RB26s2PlieConn1",  
1952                                                 new TGeoTube(kRB26s2BellowRi + kRB26s2PlieR, 
1953                                                              kRB26s2BellowRo - kRB26s2PlieR, kRB26s2PlieThickness / 2.), kMedSteel);
1954   //
1955   // One wiggle
1956   TGeoVolumeAssembly* voRB26s2Wiggle = new TGeoVolumeAssembly("RB26s2Wiggle");
1957   z0 =  -  kRB26s2PlieThickness / 2.;
1958   voRB26s2Wiggle->AddNode(voRB26s2WiggleC1,  1 , new TGeoTranslation(0., 0., z0));
1959   z0 += kRB26s2PlieR -  kRB26s2PlieThickness / 2.;
1960   voRB26s2Wiggle->AddNode(voRB26s2WiggleU,   1 , new TGeoTranslation(0., 0., z0));
1961   z0 += kRB26s2PlieR -  kRB26s2PlieThickness / 2.;
1962   voRB26s2Wiggle->AddNode(voRB26s2WiggleC1,  2 , new TGeoTranslation(0., 0., z0));
1963   z0 += kRB26s2PlieR -  kRB26s2PlieThickness;
1964   voRB26s2Wiggle->AddNode(voRB26s2WiggleL ,  1 , new TGeoTranslation(0., 0., z0));
1965   // Positioning of the volumes
1966   z0   = - kRB26s2BellowUndL/2.+ kRB26s2ConnectionPlieR;
1967   voRB26s2Bellow->AddNode(voRB26s2WiggleL, 1, new TGeoTranslation(0., 0., z0));
1968   z0  +=  kRB26s2ConnectionPlieR;
1969   zsh  = 4. *  kRB26s2PlieR -  2. * kRB26s2PlieThickness;
1970   for (Int_t iw = 0; iw < kRB26s2NumberOfPlies; iw++) {
1971     Float_t zpos =  z0 + iw * zsh;      
1972     voRB26s2Bellow->AddNode(voRB26s2Wiggle,  iw + 1, new TGeoTranslation(0., 0., zpos -  kRB26s2PlieThickness));        
1973   }
1974
1975   voRB26s2Compensator->AddNode(voRB26s2Bellow, 1,  new TGeoTranslation(0., 0., 2. * kRB26s2WeldingTubeLeftL + kRB26s2BellowUndL/2.));
1976       
1977   //
1978   // [Pos 2] Left Welding Tube
1979   //      
1980   TGeoTube* shRB26s2CompLeftTube = new TGeoTube(kRB26s2CompTubeInnerR, kRB26s2CompTubeOuterR, kRB26s2WeldingTubeLeftL);
1981   TGeoVolume* voRB26s2CompLeftTube = new TGeoVolume("RB26s2CompLeftTube", shRB26s2CompLeftTube, kMedSteel);
1982   voRB26s2Compensator->AddNode(voRB26s2CompLeftTube, 1,  new TGeoTranslation(0., 0., kRB26s2WeldingTubeLeftL));
1983   //
1984   // [Pos 3] Right Welding Tube
1985   //      
1986   TGeoTube* shRB26s2CompRightTube = new TGeoTube(kRB26s2CompTubeInnerR, kRB26s2CompTubeOuterR, kRB26s2WeldingTubeRightL);
1987   TGeoVolume* voRB26s2CompRightTube = new TGeoVolume("RB26s2CompRightTube", shRB26s2CompRightTube, kMedSteel);
1988   voRB26s2Compensator->AddNode(voRB26s2CompRightTube,  1, new TGeoTranslation(0., 0.,  kRB26s2CompL - kRB26s2WeldingTubeRightL));
1989   //
1990   // [Pos 4] Ring
1991   //      
1992   TGeoTube* shRB26s2CompRing = new TGeoTube(kRB26s2CompTubeOuterR, kRB26s2RingOuterR, kRB26s2RingL);
1993   TGeoVolume* voRB26s2CompRing = new TGeoVolume("RB26s2CompRing", shRB26s2CompRing, kMedSteel);
1994   voRB26s2Compensator->AddNode(voRB26s2CompRing,  1, new TGeoTranslation(0., 0., kRB26s2RingZ + kRB26s2RingL));
1995
1996   //
1997   // [Pos 5] Outer Protecting Tube
1998   //      
1999   TGeoTube* shRB26s2CompProtTube = new TGeoTube(kRB26s2RingOuterR, kRB26s2ProtOuterR, kRB26s2ProtL);
2000   TGeoVolume* voRB26s2CompProtTube = new TGeoVolume("RB26s2CompProtTube", shRB26s2CompProtTube, kMedSteel);
2001   voRB26s2Compensator->AddNode(voRB26s2CompProtTube, 1,  new TGeoTranslation(0., 0., kRB26s2ProtZ + kRB26s2ProtL));
2002       
2003   ///////////////////////////////////
2004   //    Rotable Flange             //
2005   //    Drawing  LHCVFX_0016       //
2006   /////////////////////////////////// 
2007   const Float_t kRB26s1RFlangeTubeRi    = 5.84/2.;  // Tube inner radius
2008   const Float_t kRB26s1RFlangeTubeRo    = 6.00/2.;  // Tube outer radius
2009
2010   // Pos 1 Clamp Ring          LHCVFX__0015
2011   const Float_t kRB26s1RFlangeCrL       = 1.40     ; // Lenth of the clamp ring
2012   const Float_t kRB26s1RFlangeCrRi1     = 6.72/2.; // Ring inner radius section 1
2013   const Float_t kRB26s1RFlangeCrRi2     = 6.06/2.; // Ring inner radius section 2
2014   const Float_t kRB26s1RFlangeCrRo      = 8.60/2.;// Ring outer radius 
2015   const Float_t kRB26s1RFlangeCrD       = 0.800    ; // Width section 1
2016       
2017   TGeoPcon* shRB26s1RFlangeCr = new TGeoPcon(0., 360., 4);
2018   z0 = 0.;
2019   shRB26s1RFlangeCr->DefineSection(0, z0, kRB26s1RFlangeCrRi1, kRB26s1RFlangeCrRo);
2020   z0 += kRB26s1RFlangeCrD;
2021   shRB26s1RFlangeCr->DefineSection(1, z0, kRB26s1RFlangeCrRi1, kRB26s1RFlangeCrRo);
2022   shRB26s1RFlangeCr->DefineSection(2, z0, kRB26s1RFlangeCrRi2, kRB26s1RFlangeCrRo);      
2023   z0 = kRB26s1RFlangeCrL;
2024   shRB26s1RFlangeCr->DefineSection(3, z0, kRB26s1RFlangeCrRi2, kRB26s1RFlangeCrRo);
2025   TGeoVolume* voRB26s1RFlangeCr =  
2026     new TGeoVolume("RB26s1RFlangeCr", shRB26s1RFlangeCr, kMedSteel);
2027
2028   // Pos 2 Insert              LHCVFX__0015
2029   const Float_t kRB26s1RFlangeIsL       = 4.88     ; // Lenth of the insert
2030   const Float_t kRB26s1RFlangeIsR       = 6.70/2.  ; // Ring radius
2031   const Float_t kRB26s1RFlangeIsD       = 0.80     ; // Ring Width
2032
2033   TGeoPcon* shRB26s1RFlangeIs = new TGeoPcon(0., 360., 4);
2034   z0 = 0.;
2035   shRB26s1RFlangeIs->DefineSection(0, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeIsR);
2036   z0 += kRB26s1RFlangeIsD;
2037   shRB26s1RFlangeIs->DefineSection(1, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeIsR);
2038   shRB26s1RFlangeIs->DefineSection(2, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeTubeRo);      
2039   z0 = kRB26s1RFlangeIsL;
2040   shRB26s1RFlangeIs->DefineSection(3, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeTubeRo);
2041   TGeoVolume* voRB26s1RFlangeIs =  
2042     new TGeoVolume("RB26s1RFlangeIs", shRB26s1RFlangeIs, kMedSteel);
2043   // 4.88 + 3.7 = 8.58 (8.7 to avoid overlap)
2044   // Pos 3 Fixed Point Section LHCVC2A_0021
2045   const Float_t kRB26s1RFlangeFpL       = 5.88     ; // Length of the fixed point section (0.08 cm added for welding)
2046   const Float_t kRB26s1RFlangeFpZ       = 3.82     ; // Position of the ring
2047   const Float_t kRB26s1RFlangeFpD       = 0.59     ; // Width of the ring
2048   const Float_t kRB26s1RFlangeFpR       = 7.00/2.  ; // Radius of the ring
2049       
2050   TGeoPcon* shRB26s1RFlangeFp = new TGeoPcon(0., 360., 6);
2051   z0 = 0.;
2052   shRB26s1RFlangeFp->DefineSection(0, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeTubeRo);
2053   z0 += kRB26s1RFlangeFpZ;
2054   shRB26s1RFlangeFp->DefineSection(1, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeTubeRo);      
2055   shRB26s1RFlangeFp->DefineSection(2, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeFpR);               
2056   z0 += kRB26s1RFlangeFpD;
2057   shRB26s1RFlangeFp->DefineSection(3, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeFpR);               
2058   shRB26s1RFlangeFp->DefineSection(4, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeTubeRo);
2059   z0 = kRB26s1RFlangeFpL;
2060   shRB26s1RFlangeFp->DefineSection(5, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeTubeRo);
2061   TGeoVolume* voRB26s1RFlangeFp = new TGeoVolume("RB26s1RFlangeFp", shRB26s1RFlangeFp, kMedSteel);
2062              
2063   // Put everything in a mother volume
2064   TGeoPcon* shRB26s1RFlange = new TGeoPcon(0., 360., 8);
2065   z0 =  0.;
2066   shRB26s1RFlange->DefineSection(0, z0, 0., kRB26s1RFlangeCrRo);
2067   z0 += kRB26s1RFlangeCrL;
2068   shRB26s1RFlange->DefineSection(1, z0, 0., kRB26s1RFlangeCrRo);
2069   shRB26s1RFlange->DefineSection(2, z0, 0., kRB26s1RFlangeTubeRo);
2070   z0 = kRB26s1RFlangeIsL + kRB26s1RFlangeFpZ;
2071   shRB26s1RFlange->DefineSection(3, z0, 0., kRB26s1RFlangeTubeRo);      
2072   shRB26s1RFlange->DefineSection(4, z0, 0., kRB26s1RFlangeFpR);
2073   z0 += kRB26s1RFlangeFpD;
2074   shRB26s1RFlange->DefineSection(5, z0, 0., kRB26s1RFlangeFpR);           
2075   shRB26s1RFlange->DefineSection(6, z0, 0., kRB26s1RFlangeTubeRo);
2076   z0 = kRB26s1RFlangeIsL + kRB26s1RFlangeFpL;
2077   shRB26s1RFlange->DefineSection(7, z0, 0., kRB26s1RFlangeTubeRo);
2078   TGeoVolume* voRB26s1RFlange = new TGeoVolume("RB26s1RFlange", shRB26s1RFlange, kMedVac);
2079
2080   voRB26s1RFlange->AddNode(voRB26s1RFlangeIs, 1, gGeoIdentity);
2081   voRB26s1RFlange->AddNode(voRB26s1RFlangeCr, 1, gGeoIdentity);
2082   voRB26s1RFlange->AddNode(voRB26s1RFlangeFp, 1, new TGeoTranslation(0., 0., kRB26s1RFlangeIsL));
2083       
2084   ///////////////////////////////////
2085   //    Fixed Flange               //
2086   //    Drawing  LHCVFX_0006       //
2087   /////////////////////////////////// 
2088   const Float_t kRB26s2FFlangeL      =  2.13;    // Length of the flange
2089   const Float_t kRB26s2FFlangeD1     =  0.97;    // Length of section 1
2090   const Float_t kRB26s2FFlangeD2     =  0.29;    // Length of section 2                                              
2091   const Float_t kRB26s2FFlangeD3     =  0.87;    // Length of section 3                                                    
2092   const Float_t kRB26s2FFlangeRo     = 17.15/2.; // Flange outer radius 
2093   const Float_t kRB26s2FFlangeRi1    = 12.30/2.; // Flange inner radius section 1
2094   const Float_t kRB26s2FFlangeRi2    = 12.00/2.; // Flange inner radius section 2
2095   const Float_t kRB26s2FFlangeRi3    = 12.30/2.; // Flange inner radius section 3
2096   z0 = 0;
2097   TGeoPcon* shRB26s2FFlange = new TGeoPcon(0., 360., 6);
2098   z0 = 0.;
2099   shRB26s2FFlange->DefineSection(0, z0, kRB26s2FFlangeRi1, kRB26s2FFlangeRo);
2100   z0 += kRB26s2FFlangeD1;
2101   shRB26s2FFlange->DefineSection(1, z0, kRB26s2FFlangeRi1, kRB26s2FFlangeRo);
2102   shRB26s2FFlange->DefineSection(2, z0, kRB26s2FFlangeRi2, kRB26s2FFlangeRo);
2103   z0 += kRB26s2FFlangeD2;
2104   shRB26s2FFlange->DefineSection(3, z0, kRB26s2FFlangeRi2, kRB26s2FFlangeRo);
2105   shRB26s2FFlange->DefineSection(4, z0, kRB26s2FFlangeRi3, kRB26s2FFlangeRo);
2106   z0 += kRB26s2FFlangeD3;
2107   shRB26s2FFlange->DefineSection(5, z0, kRB26s2FFlangeRi3, kRB26s2FFlangeRo);
2108   TGeoVolume* voRB26s2FFlange = new TGeoVolume("RB26s2FFlange", shRB26s2FFlange, kMedSteel);
2109
2110   TGeoVolume* voRB26s2FFlangeM = new TGeoVolume("RB26s2FFlangeM", MakeMotherFromTemplate(shRB26s2FFlange, 2, 5), kMedVac);
2111   voRB26s2FFlangeM->AddNode(voRB26s2FFlange, 1, gGeoIdentity);
2112       
2113       
2114
2115   ////////////////////////////////////////
2116   //                                    //
2117   //    RB26/3                          //  
2118   //    Drawing LHCV2a_0048             //
2119   //    Drawing LHCV2a_0002             //
2120   ////////////////////////////////////////    
2121   //
2122   //    Pos 1 Vacuum Tubes      LHCVC2A__0003
2123   //    Pos 2 Fixed Point       LHCVFX___0005
2124   //    Pos 3 Split Flange      LHCVFX___0007
2125   //    Pos 4 Fixed Flange      LHCVFX___0004
2126   //    Pos 5 Axial Compensator LHCVC2A__0065
2127   //
2128   //
2129   //
2130   //
2131   ///////////////////////////////////
2132   //    Vacuum Tube                //
2133   //    Drawing  LHCVC2A_0003      //
2134   /////////////////////////////////// 
2135   const Float_t kRB26s3TubeL  = 629.35 + 0.3; // 0.3 cm added for welding
2136   const Float_t kRB26s3TubeR1 =  12./2.;
2137   const Float_t kRB26s3TubeR2 =  kRB26s3TubeR1 + 215.8 * TMath::Tan(0.829 / 180. * TMath::Pi());
2138       
2139       
2140   TGeoPcon* shRB26s3Tube = new TGeoPcon(0., 360., 7);
2141   // Section 1: straight section
2142   shRB26s3Tube->DefineSection(0,   0.00, kRB26s3TubeR1, kRB26s3TubeR1 + 0.15);
2143   shRB26s3Tube->DefineSection(1,   2.00, kRB26s3TubeR1, kRB26s3TubeR1 + 0.15);      
2144   // Section 2: 0.829 deg opening cone
2145   shRB26s3Tube->DefineSection(2,   2.00, kRB26s3TubeR1, kRB26s3TubeR1 + 0.20);
2146       
2147   shRB26s3Tube->DefineSection(3, 217.80, kRB26s3TubeR2, kRB26s3TubeR2 + 0.20);
2148   shRB26s3Tube->DefineSection(4, 217.80, kRB26s3TubeR2, kRB26s3TubeR2 + 0.30);      
2149
2150   shRB26s3Tube->DefineSection(5, 622.20,       30.00/2., 30.60/2.);      
2151   shRB26s3Tube->DefineSection(6, kRB26s3TubeL, 30.00/2., 30.60/2.); 
2152
2153   TGeoVolume* voRB26s3Tube = new TGeoVolume("RB26s3Tube", shRB26s3Tube, kMedSteel);
2154   //    Add the insulation layer
2155   TGeoVolume* voRB26s3TubeIns = new TGeoVolume("RB26s3TubeIns", MakeInsulationFromTemplate(shRB26s3Tube), kMedInsu); 
2156   voRB26s3Tube->AddNode(voRB26s3TubeIns, 1, gGeoIdentity);
2157
2158   TGeoVolume* voRB26s3TubeM  = new TGeoVolume("RB26s3TubeM", MakeMotherFromTemplate(shRB26s3Tube), kMedVac);
2159   voRB26s3TubeM->AddNode(voRB26s3Tube, 1, gGeoIdentity);
2160
2161       
2162
2163   ///////////////////////////////////
2164   //    Fixed Point                //
2165   //    Drawing  LHCVFX_0005       //
2166   /////////////////////////////////// 
2167   const Float_t kRB26s3FixedPointL       = 16.37     ; // Length of the fixed point section (0.3 cm added for welding)
2168   const Float_t kRB26s3FixedPointZ       =  9.72     ; // Position of the ring (0.15 cm added for welding)
2169   const Float_t kRB26s3FixedPointD       =  0.595    ; // Width of the ring
2170   const Float_t kRB26s3FixedPointR       = 13.30/2.  ; // Radius of the ring
2171   const Float_t kRB26s3FixedPointRi      = 12.00/2.  ; // Inner radius of the tube
2172   const Float_t kRB26s3FixedPointRo1     = 12.30/2.  ; // Outer radius of the tube (in)
2173   const Float_t kRB26s3FixedPointRo2     = 12.40/2.  ; // Outer radius of the tube (out)
2174   const Float_t kRB26s3FixedPointDs      =  1.5      ; // Width of straight section behind ring
2175   const Float_t kRB26s3FixedPointDc      =  3.15     ; // Width of conical  section behind ring (0.15 cm added for welding)      
2176       
2177   TGeoPcon* shRB26s3FixedPoint = new TGeoPcon(0., 360., 8);
2178   z0 = 0.;
2179   shRB26s3FixedPoint->DefineSection(0, z0, kRB26s3FixedPointRi, kRB26s3FixedPointRo1);
2180   z0 += kRB26s3FixedPointZ;
2181   shRB26s3FixedPoint->DefineSection(1, z0, kRB26s3FixedPointRi, kRB26s3FixedPointRo1);      
2182   shRB26s3FixedPoint->DefineSection(2, z0, kRB26s3FixedPointRi, kRB26s3FixedPointR);              
2183   z0 += kRB26s3FixedPointD;
2184   shRB26s3FixedPoint->DefineSection(3, z0, kRB26s3FixedPointRi, kRB26s3FixedPointR);              
2185   shRB26s3FixedPoint->DefineSection(4, z0, kRB26s3FixedPointRi, kRB26s3FixedPointRo1);
2186   z0 += kRB26s3FixedPointDs;
2187   shRB26s3FixedPoint->DefineSection(5, z0, kRB26s3FixedPointRi, kRB26s3FixedPointRo1);
2188   z0 += kRB26s3FixedPointDc;
2189   shRB26s3FixedPoint->DefineSection(6, z0, kRB26s3FixedPointRi, kRB26s3FixedPointRo2);
2190   z0 = kRB26s3FixedPointL;
2191   shRB26s3FixedPoint->DefineSection(7, z0, kRB26s3FixedPointRi, kRB26s3FixedPointRo2);
2192   TGeoVolume* voRB26s3FixedPoint = new TGeoVolume("RB26s3FixedPoint", shRB26s3FixedPoint, kMedSteel);
2193
2194   TGeoVolume* voRB26s3FixedPointM = new TGeoVolume("RB26s3FixedPointM", MakeMotherFromTemplate(shRB26s3FixedPoint), kMedVac);
2195   voRB26s3FixedPointM->AddNode(voRB26s3FixedPoint, 1, gGeoIdentity);
2196       
2197   ///////////////////////////////////
2198   //    Split Flange               //
2199   //    Drawing  LHCVFX_0005       //
2200   /////////////////////////////////// 
2201   const Float_t kRB26s3SFlangeL      =  2.13;        // Length of the flange
2202   const Float_t kRB26s3SFlangeD1     =  0.57;        // Length of section 1
2203   const Float_t kRB26s3SFlangeD2     =  0.36;        // Length of section 2                                                  
2204   const Float_t kRB26s3SFlangeD3     =  0.50 + 0.70; // Length of section 3                                                        
2205   const Float_t kRB26s3SFlangeRo     = 17.15/2.;     // Flange outer radius 
2206   const Float_t kRB26s3SFlangeRi1    = 12.30/2.;     // Flange inner radius section 1
2207   const Float_t kRB26s3SFlangeRi2    = 12.00/2.;     // Flange inner radius section 2
2208   const Float_t kRB26s3SFlangeRi3    = 12.30/2.;     // Flange inner radius section 3
2209   z0 = 0;
2210   TGeoPcon* shRB26s3SFlange = new TGeoPcon(0., 360., 6);
2211   z0 = 0.;
2212   shRB26s3SFlange->DefineSection(0, z0, kRB26s3SFlangeRi1, kRB26s3SFlangeRo);
2213   z0 += kRB26s3SFlangeD1;
2214   shRB26s3SFlange->DefineSection(1, z0, kRB26s3SFlangeRi1, kRB26s3SFlangeRo);
2215   shRB26s3SFlange->DefineSection(2, z0, kRB26s3SFlangeRi2, kRB26s3SFlangeRo);
2216   z0 += kRB26s3SFlangeD2;
2217   shRB26s3SFlange->DefineSection(3, z0, kRB26s3SFlangeRi2, kRB26s3SFlangeRo);
2218   shRB26s3SFlange->DefineSection(4, z0, kRB26s3SFlangeRi3, kRB26s3SFlangeRo);
2219   z0 += kRB26s3SFlangeD3;
2220   shRB26s3SFlange->DefineSection(5, z0, kRB26s3SFlangeRi3, kRB26s3SFlangeRo);
2221   TGeoVolume* voRB26s3SFlange = new TGeoVolume("RB26s3SFlange", shRB26s3SFlange, kMedSteel);
2222
2223   TGeoVolume* voRB26s3SFlangeM = new TGeoVolume("RB26s3SFlangeM", MakeMotherFromTemplate(shRB26s3SFlange, 0, 3), kMedVac);
2224   voRB26s3SFlangeM->AddNode(voRB26s3SFlange, 1, gGeoIdentity);
2225         
2226   ///////////////////////////////////
2227   //    RB26/3   Fixed Flange      //
2228   //    Drawing  LHCVFX___0004     //
2229   /////////////////////////////////// 
2230   const Float_t kRB26s3FFlangeL      =  2.99;    // Length of the flange
2231   const Float_t kRB26s3FFlangeD1     =  1.72;    // Length of section 1
2232   const Float_t kRB26s3FFlangeD2     =  0.30;    // Length of section 2                                              
2233   const Float_t kRB26s3FFlangeD3     =  0.97;    // Length of section 3                                                    
2234   const Float_t kRB26s3FFlangeRo     = 36.20/2.; // Flange outer radius 
2235   const Float_t kRB26s3FFlangeRi1    = 30.60/2.; // Flange inner radius section 1
2236   const Float_t kRB26s3FFlangeRi2    = 30.00/2.; // Flange inner radius section 2
2237   const Float_t kRB26s3FFlangeRi3    = 30.60/2.; // Flange inner radius section 3
2238   z0 = 0;
2239   TGeoPcon* shRB26s3FFlange = new TGeoPcon(0., 360., 6);
2240   z0 = 0.;
2241   shRB26s3FFlange->DefineSection(0, z0, kRB26s3FFlangeRi1, kRB26s3FFlangeRo);
2242   z0 += kRB26s3FFlangeD1;
2243   shRB26s3FFlange->DefineSection(1, z0, kRB26s3FFlangeRi1, kRB26s3FFlangeRo);
2244   shRB26s3FFlange->DefineSection(2, z0, kRB26s3FFlangeRi2, kRB26s3FFlangeRo);
2245   z0 += kRB26s3FFlangeD2;
2246   shRB26s3FFlange->DefineSection(3, z0, kRB26s3FFlangeRi2, kRB26s3FFlangeRo);
2247   shRB26s3FFlange->DefineSection(4, z0, kRB26s3FFlangeRi3, kRB26s3FFlangeRo);
2248   z0 += kRB26s3FFlangeD3;
2249   shRB26s3FFlange->DefineSection(5, z0, kRB26s3FFlangeRi3, kRB26s3FFlangeRo);
2250   TGeoVolume* voRB26s3FFlange = new TGeoVolume("RB26s3FFlange", shRB26s3FFlange, kMedSteel);
2251       
2252   TGeoVolume* voRB26s3FFlangeM = new TGeoVolume("RB26s3FFlangeM", MakeMotherFromTemplate(shRB26s3FFlange, 2, 5), kMedVac);
2253   voRB26s3FFlangeM->AddNode(voRB26s3FFlange, 1, gGeoIdentity);
2254             
2255
2256
2257   ///////////////////////////////////
2258   //    RB26/3   Axial Compensator //
2259   //    Drawing  LHCVC2a_0065      //
2260   /////////////////////////////////// 
2261   const Float_t kRB26s3CompL              = 42.0;     // Length of the compensator (0.3 cm added for welding)
2262   const Float_t kRB26s3BellowRo           = 34.00/2.; // Bellow outer radius        [Pos 1]
2263   const Float_t kRB26s3BellowRi           = 30.10/2.; // Bellow inner radius        [Pos 1] 
2264   const Int_t   kRB26s3NumberOfPlies      = 13;       // Number of plies            [Pos 1] 
2265   const Float_t kRB26s3BellowUndL         = 17.70;    // Length of undulated region [Pos 1] 
2266   const Float_t kRB26s3PlieThickness      =  0.06;    // Plie thickness             [Pos 1]
2267   const Float_t kRB26s3ConnectionPlieR    =  0.21;    // Connection plie radius     [Pos 1] 
2268   //  Plie radius
2269   const Float_t kRB26s3PlieR = 
2270     (kRB26s3BellowUndL - 4. *  kRB26s3ConnectionPlieR + 2. * kRB26s3PlieThickness + 
2271      (2. *  kRB26s3NumberOfPlies - 2.) * kRB26s3PlieThickness) / (4. * kRB26s3NumberOfPlies - 2.);
2272
2273   //
2274   // The welding tubes have 3 sections with different radii and 2 transition regions.
2275   // Section 1: connection to the outside
2276   // Section 2: commection to the bellow
2277   // Section 3: between 1 and 2
2278   const Float_t kRB26s3CompTubeInnerR1    = 30.0/2.;  // Outer Connection tubes inner radius     [Pos 4 + 3]
2279   const Float_t kRB26s3CompTubeOuterR1    = 30.6/2.;  // Outer Connection tubes outer radius     [Pos 4 + 3]
2280   const Float_t kRB26s3CompTubeInnerR2    = 29.4/2.;  // Connection tubes inner radius           [Pos 4 + 3]
2281   const Float_t kRB26s3CompTubeOuterR2    = 30.0/2.;  // Connection tubes outer radius           [Pos 4 + 3]
2282   const Float_t kRB26s3CompTubeInnerR3    = 30.6/2.;  // Connection tubes inner radius at bellow [Pos 4 + 3]
2283   const Float_t kRB26s3CompTubeOuterR3    = 32.2/2.;  // Connection tubes outer radius at bellow [Pos 4 + 3]
2284  
2285   const Float_t kRB26s3WeldingTubeLeftL1  =  2.0;     // Left connection tube length             [Pos 4]
2286   const Float_t kRB26s3WeldingTubeLeftL2  =  3.4;     // Left connection tube length             [Pos 4]
2287   const Float_t kRB26s3WeldingTubeLeftL   =  7.0;     // Left connection tube total length       [Pos 4]
2288   const Float_t kRB26s3WeldingTubeRightL1 =  2.3;     // Right connection tube length            [Pos 3] (0.3 cm added for welding)
2289   const Float_t kRB26s3WeldingTubeRightL2 = 13.4;     // Right connection tube length            [Pos 3]
2290
2291   const Float_t kRB26s3WeldingTubeT1      =  0.6;     // Length of first r-transition            [Pos 4 + 3]
2292   const Float_t kRB26s3WeldingTubeT2      =  1.0;     // Length of 2nd   r-transition            [Pos 4 + 3]       
2293
2294       
2295       
2296   const Float_t kRB26s3RingOuterR         = 36.1/2.;  // Ring inner radius                       [Pos 4]
2297   const Float_t kRB26s3RingL              =  0.8/2.;  // Ring half length                        [Pos 4]
2298   const Float_t kRB26s3RingZ              =  3.7   ;  // Ring z-position                         [Pos 4]
2299   const Float_t kRB26s3ProtOuterR         = 36.2/2.;  // Protection tube outer radius            [Pos 2]
2300   const Float_t kRB26s3ProtL              = 27.0/2.;  // Protection tube half length             [Pos 2]
2301   const Float_t kRB26s3ProtZ              =  4.0   ;  // Protection tube z-position              [Pos 2]
2302    
2303       
2304   // Mother volume
2305   //
2306   TGeoPcon* shRB26s3Compensator  = new TGeoPcon(0., 360., 6);
2307   shRB26s3Compensator->DefineSection( 0,   0.0, 0., kRB26s3CompTubeOuterR1);
2308   shRB26s3Compensator->DefineSection( 1,   kRB26s3RingZ, 0., kRB26s3CompTubeOuterR1);      
2309   shRB26s3Compensator->DefineSection( 2,   kRB26s3RingZ, 0., kRB26s3ProtOuterR);      
2310   shRB26s3Compensator->DefineSection( 3,   kRB26s3ProtZ + 2. * kRB26s3ProtL, 0., kRB26s3ProtOuterR);            
2311   shRB26s3Compensator->DefineSection( 4,   kRB26s3ProtZ + 2. * kRB26s3ProtL, 0., kRB26s3CompTubeOuterR1);
2312   shRB26s3Compensator->DefineSection( 5,   kRB26s3CompL                    , 0., kRB26s3CompTubeOuterR1);            
2313   TGeoVolume* voRB26s3Compensator  =  
2314     new TGeoVolume("RB26s3Compensator", shRB26s3Compensator, kMedVac);
2315             
2316   //
2317   // [Pos 1] Bellow
2318   //      
2319   //
2320   TGeoVolume* voRB26s3Bellow = new TGeoVolume("RB26s3Bellow", 
2321                                               new TGeoTube(kRB26s3BellowRi, kRB26s3BellowRo, kRB26s3BellowUndL/2.), kMedVac);
2322   //      
2323   //  Upper part of the undulation
2324   //
2325   TGeoTorus* shRB26s3PlieTorusU  =  new TGeoTorus(kRB26s3BellowRo - kRB26s3PlieR, kRB26s3PlieR - kRB26s3PlieThickness, kRB26s3PlieR);
2326   shRB26s3PlieTorusU->SetName("RB26s3TorusU");
2327   TGeoTube*  shRB26s3PlieTubeU   =  new TGeoTube (kRB26s3BellowRo - kRB26s3PlieR, kRB26s3BellowRo, kRB26s3PlieR);
2328   shRB26s3PlieTubeU->SetName("RB26s3TubeU");
2329   TGeoCompositeShape*  shRB26s3UpperPlie = new TGeoCompositeShape("RB26s3UpperPlie", "RB26s3TorusU*RB26s3TubeU");
2330  
2331   TGeoVolume* voRB26s3WiggleU = new TGeoVolume("RB26s3UpperPlie", shRB26s3UpperPlie, kMedSteel);
2332   //
2333   // Lower part of the undulation
2334   TGeoTorus* shRB26s3PlieTorusL =  new TGeoTorus(kRB26s3BellowRi + kRB26s3PlieR, kRB26s3PlieR - kRB26s3PlieThickness, kRB26s3PlieR);
2335   shRB26s3PlieTorusL->SetName("RB26s3TorusL");
2336   TGeoTube*  shRB26s3PlieTubeL   =  new TGeoTube (kRB26s3BellowRi, kRB26s3BellowRi + kRB26s3PlieR, kRB26s3PlieR);
2337   shRB26s3PlieTubeL->SetName("RB26s3TubeL");
2338   TGeoCompositeShape*  shRB26s3LowerPlie = new TGeoCompositeShape("RB26s3LowerPlie", "RB26s3TorusL*RB26s3TubeL");
2339       
2340   TGeoVolume* voRB26s3WiggleL = new TGeoVolume("RB26s3LowerPlie", shRB26s3LowerPlie, kMedSteel); 
2341
2342   //
2343   // Connection between upper and lower part of undulation
2344   TGeoVolume* voRB26s3WiggleC1 = new TGeoVolume("RB26s3PlieConn1",  
2345                                                 new TGeoTube(kRB26s3BellowRi + kRB26s3PlieR, 
2346                                                              kRB26s3BellowRo - kRB26s3PlieR, kRB26s3PlieThickness / 2.), kMedSteel);
2347   //
2348   // One wiggle
2349   TGeoVolumeAssembly* voRB26s3Wiggle = new TGeoVolumeAssembly("RB26s3Wiggle");
2350   z0 =  -  kRB26s3PlieThickness / 2.;
2351   voRB26s3Wiggle->AddNode(voRB26s3WiggleC1,  1 , new TGeoTranslation(0., 0., z0));
2352   z0 += kRB26s3PlieR -  kRB26s3PlieThickness / 2.;
2353   voRB26s3Wiggle->AddNode(voRB26s3WiggleU,   1 , new TGeoTranslation(0., 0., z0));
2354   z0 += kRB26s3PlieR -  kRB26s3PlieThickness / 2.;
2355   voRB26s3Wiggle->AddNode(voRB26s3WiggleC1,  2 , new TGeoTranslation(0., 0., z0));
2356   z0 += kRB26s3PlieR -  kRB26s3PlieThickness;
2357   voRB26s3Wiggle->AddNode(voRB26s3WiggleL,  1 , new TGeoTranslation(0., 0., z0));
2358   // Positioning of the volumes
2359   z0   = - kRB26s3BellowUndL/2.+ kRB26s3ConnectionPlieR;
2360   voRB26s3Bellow->AddNode(voRB26s3WiggleL, 1, new TGeoTranslation(0., 0., z0));
2361   z0  +=  kRB26s3ConnectionPlieR;
2362   zsh  = 4. *  kRB26s3PlieR -  2. * kRB26s3PlieThickness;
2363   for (Int_t iw = 0; iw < kRB26s3NumberOfPlies; iw++) {
2364     Float_t zpos =  z0 + iw * zsh;      
2365     voRB26s3Bellow->AddNode(voRB26s3Wiggle,  iw + 1, new TGeoTranslation(0., 0., zpos -  kRB26s3PlieThickness));        
2366   }
2367
2368   voRB26s3Compensator->AddNode(voRB26s3Bellow, 1,  new TGeoTranslation(0., 0., kRB26s3WeldingTubeLeftL + kRB26s3BellowUndL/2.));
2369
2370
2371   //
2372   // [Pos 2] Outer Protecting Tube
2373   //      
2374   TGeoTube* shRB26s3CompProtTube = new TGeoTube(kRB26s3RingOuterR, kRB26s3ProtOuterR, kRB26s3ProtL);
2375   TGeoVolume* voRB26s3CompProtTube =  
2376     new TGeoVolume("RB26s3CompProtTube", shRB26s3CompProtTube, kMedSteel);
2377   voRB26s3Compensator->AddNode(voRB26s3CompProtTube, 1,  new TGeoTranslation(0., 0., kRB26s3ProtZ + kRB26s3ProtL));
2378       
2379
2380   //
2381   // [Pos 3] Right Welding Tube
2382   //      
2383   TGeoPcon* shRB26s3CompRightTube = new TGeoPcon(0., 360., 5);
2384   z0 = 0.;
2385   shRB26s3CompRightTube->DefineSection(0, z0,  kRB26s3CompTubeInnerR3, kRB26s3CompTubeOuterR3);
2386   z0 += kRB26s3WeldingTubeT2;
2387   shRB26s3CompRightTube->DefineSection(1, z0,  kRB26s3CompTubeInnerR2, kRB26s3CompTubeOuterR2);
2388   z0 += kRB26s3WeldingTubeRightL2;
2389   shRB26s3CompRightTube->DefineSection(2, z0,  kRB26s3CompTubeInnerR2, kRB26s3CompTubeOuterR2);
2390   z0 += kRB26s3WeldingTubeT1;
2391   shRB26s3CompRightTube->DefineSection(3, z0,  kRB26s3CompTubeInnerR1, kRB26s3CompTubeOuterR1);
2392   z0 += kRB26s3WeldingTubeRightL1;
2393   shRB26s3CompRightTube->DefineSection(4, z0,  kRB26s3CompTubeInnerR1, kRB26s3CompTubeOuterR1);
2394       
2395   TGeoVolume* voRB26s3CompRightTube =  
2396     new TGeoVolume("RB26s3CompRightTube", shRB26s3CompRightTube, kMedSteel);
2397   voRB26s3Compensator->AddNode(voRB26s3CompRightTube,  1, new TGeoTranslation(0., 0.,  kRB26s3CompL - z0));
2398
2399   //
2400   // [Pos 4] Left Welding Tube
2401   //      
2402   TGeoPcon* shRB26s3CompLeftTube = new TGeoPcon(0., 360., 5);
2403   z0 = 0.;
2404   shRB26s3CompLeftTube->DefineSection(0, z0,  kRB26s3CompTubeInnerR1, kRB26s3CompTubeOuterR1);
2405   z0 += kRB26s3WeldingTubeLeftL1;
2406   shRB26s3CompLeftTube->DefineSection(1, z0,  kRB26s3CompTubeInnerR1, kRB26s3CompTubeOuterR1);
2407   z0 += kRB26s3WeldingTubeT1;
2408   shRB26s3CompLeftTube->DefineSection(2, z0,  kRB26s3CompTubeInnerR2, kRB26s3CompTubeOuterR2);
2409   z0 += kRB26s3WeldingTubeLeftL2;
2410   shRB26s3CompLeftTube->DefineSection(3, z0,  kRB26s3CompTubeInnerR2, kRB26s3CompTubeOuterR2);
2411   z0 += kRB26s3WeldingTubeT2;
2412   shRB26s3CompLeftTube->DefineSection(4, z0,  kRB26s3CompTubeInnerR3, kRB26s3CompTubeOuterR3);
2413
2414   TGeoVolume* voRB26s3CompLeftTube =  
2415     new TGeoVolume("RB26s3CompLeftTube", shRB26s3CompLeftTube, kMedSteel);
2416   voRB26s3Compensator->AddNode(voRB26s3CompLeftTube, 1,  gGeoIdentity);
2417   //
2418   // [Pos 5] Ring
2419   //      
2420   TGeoTube* shRB26s3CompRing = new TGeoTube(kRB26s3CompTubeOuterR2, kRB26s3RingOuterR, kRB26s3RingL);
2421   TGeoVolume* voRB26s3CompRing =  
2422     new TGeoVolume("RB26s3CompRing", shRB26s3CompRing, kMedSteel);
2423   voRB26s3Compensator->AddNode(voRB26s3CompRing,  1, new TGeoTranslation(0., 0., kRB26s3RingZ + kRB26s3RingL));
2424
2425
2426
2427   ///////////////////////////////////////////
2428   //                                       //
2429   //    RB26/4-5                           //  
2430   //    Drawing LHCV2a_0012 [as installed] //
2431   ////////////////////////////////////////////
2432   //    Pos1 Vacuum Tubes        LHCVC2A__0014
2433   //    Pos2 Compensator         LHCVC2A__0066
2434   //    Pos3 Fixed Point Section LHCVC2A__0016
2435   //    Pos4 Split Flange        LHCVFX___0005
2436   //    Pos5 RotableFlange       LHCVFX___0009
2437   ////////////////////////////////////////////
2438
2439   ///////////////////////////////////
2440   //    RB26/4-5 Vacuum Tubes      //
2441   //    Drawing  LHCVC2a_0014      //
2442   /////////////////////////////////// 
2443   const Float_t kRB26s45TubeL = 593.12 + 0.3; // 0.3 cm added for welding
2444       
2445   TGeoPcon* shRB26s45Tube = new TGeoPcon(0., 360., 11);
2446   // Section 1: straight section
2447   shRB26s45Tube->DefineSection( 0,   0.00, 30.00/2., 30.60/2.);
2448   shRB26s45Tube->DefineSection( 1,   1.20, 30.00/2., 30.60/2.);
2449   shRB26s45Tube->DefineSection( 2,   1.20, 30.00/2., 30.80/2.);
2450   shRB26s45Tube->DefineSection( 3,  25.10, 30.00/2., 30.80/2.);      
2451   // Section 2: 0.932 deg opening cone
2452   shRB26s45Tube->DefineSection( 4, 486.10, 45.00/2., 45.80/2.);      
2453   // Section 3: straight section 4 mm 
2454   shRB26s45Tube->DefineSection( 5, 512.10, 45.00/2., 45.80/2.);
2455   // Section 4: straight section 3 mm
2456   shRB26s45Tube->DefineSection( 6, 512.10, 45.00/2., 45.60/2.);
2457   shRB26s45Tube->DefineSection( 7, 527.70, 45.00/2., 45.60/2.);
2458   // Section 4: closing cone 
2459   shRB26s45Tube->DefineSection( 8, 591.30, 10.00/2., 10.60/2.);      
2460   shRB26s45Tube->DefineSection( 9, 591.89, 10.00/2., 10.30/2.);      
2461
2462   shRB26s45Tube->DefineSection(10, kRB26s45TubeL, 10.00/2., 10.30/2.);      
2463   TGeoVolume* voRB26s45Tube  =  
2464     new TGeoVolume("RB26s45Tube", shRB26s45Tube, kMedSteel);
2465
2466   TGeoVolume* voRB26s45TubeM  = new TGeoVolume("RB26s45TubeM", MakeMotherFromTemplate(shRB26s45Tube), kMedVac);
2467   voRB26s45TubeM->AddNode(voRB26s45Tube, 1, gGeoIdentity);
2468             
2469       
2470
2471   ///////////////////////////////////
2472   //    RB26/5   Axial Compensator //
2473   //    Drawing  LHCVC2a_0066      //
2474   /////////////////////////////////// 
2475   const Float_t kRB26s5CompL             = 27.60;    // Length of the compensator (0.30 cm added for welding)
2476   const Float_t kRB26s5BellowRo          = 12.48/2.; // Bellow outer radius        [Pos 1]
2477   const Float_t kRB26s5BellowRi          = 10.32/2.; // Bellow inner radius        [Pos 1] 
2478   const Int_t   kRB26s5NumberOfPlies     = 15;       // Number of plies            [Pos 1] 
2479   const Float_t kRB26s5BellowUndL        = 10.50;    // Length of undulated region [Pos 1] 
2480   const Float_t kRB26s5PlieThickness     =  0.025;   // Plie thickness             [Pos 1]
2481   const Float_t kRB26s5ConnectionPlieR   =  0.21;    // Connection plie radius     [Pos 1] 
2482   const Float_t kRB26s5ConnectionR       = 11.2/2.;  // Bellow connection radius   [Pos 1] 
2483   //  Plie radius
2484   const Float_t kRB26s5PlieR = 
2485     (kRB26s5BellowUndL - 4. *  kRB26s5ConnectionPlieR + 2. * kRB26s5PlieThickness + 
2486      (2. *  kRB26s5NumberOfPlies - 2.) * kRB26s5PlieThickness) / (4. * kRB26s5NumberOfPlies - 2.);
2487   const Float_t kRB26s5CompTubeInnerR    = 10.00/2.;  // Connection tubes inner radius     [Pos 2 + 3]
2488   const Float_t kRB26s5CompTubeOuterR    = 10.30/2.;  // Connection tubes outer radius     [Pos 2 + 3]
2489   const Float_t kRB26s5WeldingTubeLeftL  =  3.70/2.;  // Left connection tube half length  [Pos 2]
2490   const Float_t kRB26s5WeldingTubeRightL = 13.40/2.;  // Right connection tube half length [Pos 3]   (0.3 cm added for welding)
2491   const Float_t kRB26s5RingInnerR        = 11.2/2.;   // Ring inner radius                 [Pos 4]
2492   const Float_t kRB26s5RingOuterR        = 16.0/2.;   // Ring inner radius                 [Pos 4]
2493   const Float_t kRB26s5RingL             =  0.4/2.;   // Ring half length                  [Pos 4]
2494   const Float_t kRB26s5RingZ             = 14.97;     // Ring z-position                   [Pos 4]
2495   const Float_t kRB26s5ProtOuterR        = 16.2/2.;   // Protection tube outer radius      [Pos 5]
2496   const Float_t kRB26s5ProtL             = 13.0/2.;   // Protection tube half length       [Pos 5]
2497   const Float_t kRB26s5ProtZ             =  2.17;     // Protection tube z-position        [Pos 5]
2498   const Float_t kRB26s5DetailZR          = 11.3/2.;   // Detail Z max radius
2499       
2500       
2501   // Mother volume
2502   //
2503   TGeoPcon* shRB26s5Compensator  = new TGeoPcon(0., 360., 8);
2504   shRB26s5Compensator->DefineSection( 0,   0.0,                                                  0., kRB26s5CompTubeOuterR);
2505   shRB26s5Compensator->DefineSection( 1,   kRB26s5ProtZ,                                         0., kRB26s5CompTubeOuterR);      
2506   shRB26s5Compensator->DefineSection( 2,   kRB26s5ProtZ,                                         0., kRB26s5ProtOuterR);
2507   shRB26s5Compensator->DefineSection( 3,   kRB26s5ProtZ + 2. * kRB26s5ProtL + 2. * kRB26s5RingL, 0., kRB26s5ProtOuterR);      
2508   shRB26s5Compensator->DefineSection( 4,   kRB26s5ProtZ + 2. * kRB26s5ProtL + 2. * kRB26s5RingL, 0., kRB26s5DetailZR);
2509   shRB26s5Compensator->DefineSection( 5,   kRB26s5CompL - 8.,                                    0., kRB26s5DetailZR);
2510   shRB26s5Compensator->DefineSection( 6,   kRB26s5CompL - 8.,                                    0., kRB26s5CompTubeOuterR);            
2511   shRB26s5Compensator->DefineSection( 7,   kRB26s5CompL,                                         0., kRB26s5CompTubeOuterR);            
2512   TGeoVolume* voRB26s5Compensator  = new TGeoVolume("RB26s5Compensator", shRB26s5Compensator, kMedVac);
2513             
2514   //
2515   // [Pos 1] Bellow
2516   //      
2517   //
2518   TGeoVolume* voRB26s5Bellow = new TGeoVolume("RB26s5Bellow", 
2519                                               new TGeoTube(kRB26s5BellowRi, kRB26s5BellowRo, kRB26s5BellowUndL/2.), kMedVac);
2520   //      
2521   //  Upper part of the undulation
2522   //
2523   TGeoTorus* shRB26s5PlieTorusU  =  new TGeoTorus(kRB26s5BellowRo - kRB26s5PlieR, kRB26s5PlieR - kRB26s5PlieThickness, kRB26s5PlieR);
2524   shRB26s5PlieTorusU->SetName("RB26s5TorusU");
2525   TGeoTube*  shRB26s5PlieTubeU   =  new TGeoTube (kRB26s5BellowRo - kRB26s5PlieR, kRB26s5BellowRo, kRB26s5PlieR);
2526   shRB26s5PlieTubeU->SetName("RB26s5TubeU");
2527   TGeoCompositeShape*  shRB26s5UpperPlie = new TGeoCompositeShape("RB26s5UpperPlie", "RB26s5TorusU*RB26s5TubeU");
2528  
2529   TGeoVolume* voRB26s5WiggleU = new TGeoVolume("RB26s5UpperPlie", shRB26s5UpperPlie, kMedSteel);
2530   //
2531   // Lower part of the undulation
2532   TGeoTorus* shRB26s5PlieTorusL =  new TGeoTorus(kRB26s5BellowRi + kRB26s5PlieR, kRB26s5PlieR - kRB26s5PlieThickness, kRB26s5PlieR);
2533   shRB26s5PlieTorusL->SetName("RB26s5TorusL");
2534   TGeoTube*  shRB26s5PlieTubeL   =  new TGeoTube (kRB26s5BellowRi, kRB26s5BellowRi + kRB26s5PlieR, kRB26s5PlieR);
2535   shRB26s5PlieTubeL->SetName("RB26s5TubeL");
2536   TGeoCompositeShape*  shRB26s5LowerPlie = new TGeoCompositeShape("RB26s5LowerPlie", "RB26s5TorusL*RB26s5TubeL");
2537       
2538   TGeoVolume* voRB26s5WiggleL = new TGeoVolume("RB26s5LowerPlie", shRB26s5LowerPlie, kMedSteel); 
2539
2540   //
2541   // Connection between upper and lower part of undulation
2542   TGeoVolume* voRB26s5WiggleC1 = new TGeoVolume("RB26s5PlieConn1",  
2543                                                 new TGeoTube(kRB26s5BellowRi + kRB26s5PlieR, 
2544                                                              kRB26s5BellowRo - kRB26s5PlieR, kRB26s5PlieThickness / 2.), kMedSteel);
2545   //
2546   // One wiggle
2547   TGeoVolumeAssembly* voRB26s5Wiggle = new TGeoVolumeAssembly("RB26s5Wiggle");
2548   z0 =  -  kRB26s5PlieThickness / 2.;
2549   voRB26s5Wiggle->AddNode(voRB26s5WiggleC1,  1 , new TGeoTranslation(0., 0., z0));
2550   z0 += kRB26s5PlieR -  kRB26s5PlieThickness / 2.;
2551   voRB26s5Wiggle->AddNode(voRB26s5WiggleU,   1 , new TGeoTranslation(0., 0., z0));
2552   z0 += kRB26s5PlieR -  kRB26s5PlieThickness / 2.;
2553   voRB26s5Wiggle->AddNode(voRB26s5WiggleC1,  2 , new TGeoTranslation(0., 0., z0));
2554   z0 += kRB26s5PlieR -  kRB26s5PlieThickness;
2555   voRB26s5Wiggle->AddNode(voRB26s5WiggleL ,  1 , new TGeoTranslation(0., 0., z0));
2556   // Positioning of the volumes
2557   z0   = - kRB26s5BellowUndL/2.+ kRB26s5ConnectionPlieR;
2558   voRB26s5Bellow->AddNode(voRB26s5WiggleL, 1, new TGeoTranslation(0., 0., z0));
2559   z0  +=  kRB26s5ConnectionPlieR;
2560   zsh  = 4. *  kRB26s5PlieR -  2. * kRB26s5PlieThickness;
2561   for (Int_t iw = 0; iw < kRB26s5NumberOfPlies; iw++) {
2562     Float_t zpos =  z0 + iw * zsh;      
2563     voRB26s5Bellow->AddNode(voRB26s5Wiggle,  iw + 1, new TGeoTranslation(0., 0., zpos -  kRB26s5PlieThickness));        
2564   }
2565
2566   voRB26s5Compensator->AddNode(voRB26s5Bellow, 1,  new TGeoTranslation(0., 0., 2. * kRB26s5WeldingTubeLeftL + kRB26s5BellowUndL/2.));
2567       
2568   //
2569   // [Pos 2] Left Welding Tube
2570   //      
2571   TGeoPcon* shRB26s5CompLeftTube = new TGeoPcon(0., 360., 3);
2572   z0 = 0;
2573   shRB26s5CompLeftTube->DefineSection(0, z0, kRB26s5CompTubeInnerR, kRB26s5CompTubeOuterR);
2574   z0 += 2 * kRB26s5WeldingTubeLeftL - ( kRB26s5ConnectionR - kRB26s5CompTubeOuterR);
2575   shRB26s5CompLeftTube->DefineSection(1, z0, kRB26s5CompTubeInnerR, kRB26s5CompTubeOuterR);
2576   z0 += ( kRB26s5ConnectionR - kRB26s5CompTubeOuterR);
2577   shRB26s5CompLeftTube->DefineSection(2, z0, kRB26s5ConnectionR - 0.15, kRB26s5ConnectionR);
2578   TGeoVolume* voRB26s5CompLeftTube = new TGeoVolume("RB26s5CompLeftTube", shRB26s5CompLeftTube, kMedSteel);
2579   voRB26s5Compensator->AddNode(voRB26s5CompLeftTube, 1,  gGeoIdentity);
2580   //
2581   // [Pos 3] Right Welding Tube
2582   //      
2583   TGeoPcon* shRB26s5CompRightTube = new TGeoPcon(0., 360., 11);
2584   // Detail Z
2585   shRB26s5CompRightTube->DefineSection( 0, 0.  , kRB26s5CompTubeInnerR + 0.22, 11.2/2.);
2586   shRB26s5CompRightTube->DefineSection( 1, 0.05, kRB26s5CompTubeInnerR + 0.18, 11.2/2.);
2587   shRB26s5CompRightTube->DefineSection( 2, 0.22, kRB26s5CompTubeInnerR       , 11.2/2. - 0.22);
2588   shRB26s5CompRightTube->DefineSection( 3, 0.44, kRB26s5CompTubeInnerR       , 11.2/2.);
2589   shRB26s5CompRightTube->DefineSection( 4, 1.70, kRB26s5CompTubeInnerR       , 11.2/2.);
2590   shRB26s5CompRightTube->DefineSection( 5, 2.10, kRB26s5CompTubeInnerR       , kRB26s5CompTubeOuterR);
2591   shRB26s5CompRightTube->DefineSection( 6, 2.80, kRB26s5CompTubeInnerR       , kRB26s5CompTubeOuterR);
2592   shRB26s5CompRightTube->DefineSection( 7, 2.80, kRB26s5CompTubeInnerR       , 11.3/2.);
2593   shRB26s5CompRightTube->DefineSection( 8, 3.40, kRB26s5CompTubeInnerR       , 11.3/2.);
2594   // Normal pipe
2595   shRB26s5CompRightTube->DefineSection( 9, 3.50, kRB26s5CompTubeInnerR       , kRB26s5CompTubeOuterR);
2596   shRB26s5CompRightTube->DefineSection(10, 2. * kRB26s5WeldingTubeRightL, kRB26s5CompTubeInnerR, kRB26s5CompTubeOuterR);
2597       
2598   TGeoVolume* voRB26s5CompRightTube =  
2599     new TGeoVolume("RB26s5CompRightTube", shRB26s5CompRightTube, kMedSteel);
2600   voRB26s5Compensator->AddNode(voRB26s5CompRightTube,  1, 
2601                                new TGeoTranslation(0., 0.,  kRB26s5CompL - 2. * kRB26s5WeldingTubeRightL));
2602   //
2603   // [Pos 4] Ring
2604   //      
2605   TGeoTube* shRB26s5CompRing = new TGeoTube(kRB26s5RingInnerR, kRB26s5RingOuterR, kRB26s5RingL);
2606   TGeoVolume* voRB26s5CompRing =  
2607     new TGeoVolume("RB26s5CompRing", shRB26s5CompRing, kMedSteel);
2608   voRB26s5Compensator->AddNode(voRB26s5CompRing,  1, new TGeoTranslation(0., 0., kRB26s5RingZ + kRB26s5RingL));
2609
2610   //
2611   // [Pos 5] Outer Protecting Tube
2612   //      
2613   TGeoTube* shRB26s5CompProtTube = new TGeoTube(kRB26s5RingOuterR, kRB26s5ProtOuterR, kRB26s5ProtL);
2614   TGeoVolume* voRB26s5CompProtTube =  
2615     new TGeoVolume("RB26s5CompProtTube", shRB26s5CompProtTube, kMedSteel);
2616   voRB26s5Compensator->AddNode(voRB26s5CompProtTube, 1,  new TGeoTranslation(0., 0., kRB26s5ProtZ + kRB26s5ProtL));
2617
2618   ///////////////////////////////////////
2619   //    RB26/4   Fixed Point Section   //
2620   //    Drawing  LHCVC2a_0016          //
2621   /////////////////////////////////////// 
2622   const Float_t kRB26s4TubeRi            =  30.30/2. ; // Tube inner radius  (0.3 cm added for welding)
2623   const Float_t kRB26s4TubeRo            =  30.60/2. ; // Tube outer radius      
2624   const Float_t kRB26s4FixedPointL       =  12.63    ; // Length of the fixed point section
2625   const Float_t kRB26s4FixedPointZ       =  10.53    ; // Position of the ring (0.15 added for welding)
2626   const Float_t kRB26s4FixedPointD       =   0.595   ; // Width of the ring
2627   const Float_t kRB26s4FixedPointR       =  31.60/2. ; // Radius of the ring
2628       
2629   TGeoPcon* shRB26s4FixedPoint = new TGeoPcon(0., 360., 6);
2630   z0 = 0.;
2631   shRB26s4FixedPoint->DefineSection(0, z0, kRB26s4TubeRi, kRB26s4TubeRo);
2632   z0 += kRB26s4FixedPointZ;
2633   shRB26s4FixedPoint->DefineSection(1, z0, kRB26s4TubeRi, kRB26s4TubeRo);      
2634   shRB26s4FixedPoint->DefineSection(2, z0, kRB26s4TubeRi, kRB26s4FixedPointR);            
2635   z0 += kRB26s4FixedPointD;
2636   shRB26s4FixedPoint->DefineSection(3, z0, kRB26s4TubeRi, kRB26s4FixedPointR);            
2637   shRB26s4FixedPoint->DefineSection(4, z0, kRB26s4TubeRi, kRB26s4TubeRo);
2638   z0 = kRB26s4FixedPointL;
2639   shRB26s4FixedPoint->DefineSection(5, z0, kRB26s4TubeRi, kRB26s4TubeRo);
2640   TGeoVolume* voRB26s4FixedPoint = new TGeoVolume("RB26s4FixedPoint", shRB26s4FixedPoint, kMedSteel);
2641       
2642   TGeoVolume* voRB26s4FixedPointM = new TGeoVolume("RB26s4FixedPointM", MakeMotherFromTemplate(shRB26s4FixedPoint), kMedVac);
2643   voRB26s4FixedPointM->AddNode(voRB26s4FixedPoint, 1, gGeoIdentity);
2644             
2645
2646   ///////////////////////////////////////
2647   //    RB26/4   Split Flange          //
2648   //    Drawing  LHCVFX__0005          //
2649   /////////////////////////////////////// 
2650   const Float_t kRB26s4SFlangeL      =  2.99;        // Length of the flange
2651   const Float_t kRB26s4SFlangeD1     =  0.85;        // Length of section 1
2652   const Float_t kRB26s4SFlangeD2     =  0.36;        // Length of section 2                                                  
2653   const Float_t kRB26s4SFlangeD3     =  0.73 + 1.05; // Length of section 3                                                        
2654   const Float_t kRB26s4SFlangeRo     = 36.20/2.;     // Flange outer radius 
2655   const Float_t kRB26s4SFlangeRi1    = 30.60/2.;     // Flange inner radius section 1
2656   const Float_t kRB26s4SFlangeRi2    = 30.00/2.;     // Flange inner radius section 2
2657   const Float_t kRB26s4SFlangeRi3    = 30.60/2.;     // Flange inner radius section 3
2658   z0 = 0;
2659   TGeoPcon* shRB26s4SFlange = new TGeoPcon(0., 360., 6);
2660   z0 = 0.;
2661   shRB26s4SFlange->DefineSection(0, z0, kRB26s4SFlangeRi1, kRB26s4SFlangeRo);
2662   z0 += kRB26s4SFlangeD1;
2663   shRB26s4SFlange->DefineSection(1, z0, kRB26s4SFlangeRi1, kRB26s4SFlangeRo);
2664   shRB26s4SFlange->DefineSection(2, z0, kRB26s4SFlangeRi2, kRB26s4SFlangeRo);
2665   z0 += kRB26s4SFlangeD2;
2666   shRB26s4SFlange->DefineSection(3, z0, kRB26s4SFlangeRi2, kRB26s4SFlangeRo);
2667   shRB26s4SFlange->DefineSection(4, z0, kRB26s4SFlangeRi3, kRB26s4SFlangeRo);
2668   z0 += kRB26s4SFlangeD3;
2669   shRB26s4SFlange->DefineSection(5, z0, kRB26s4SFlangeRi3, kRB26s4SFlangeRo);
2670   TGeoVolume* voRB26s4SFlange = new TGeoVolume("RB26s4SFlange", shRB26s4SFlange, kMedSteel);
2671
2672   TGeoVolume* voRB26s4SFlangeM = new TGeoVolume("RB26s4SFlangeM", MakeMotherFromTemplate(shRB26s4SFlange, 0, 3), kMedVac);
2673   voRB26s4SFlangeM->AddNode(voRB26s4SFlange, 1, gGeoIdentity);
2674       
2675   ///////////////////////////////////////
2676   //    RB26/5   Rotable Flange        //
2677   //    Drawing  LHCVFX__0009          //
2678   /////////////////////////////////////// 
2679   const Float_t kRB26s5RFlangeL      =  1.86;    // Length of the flange
2680   const Float_t kRB26s5RFlangeD1     =  0.61;    // Length of section 1
2681   const Float_t kRB26s5RFlangeD2     =  0.15;    // Length of section 2                                              
2682   const Float_t kRB26s5RFlangeD3     =  0.60;    // Length of section 3                                                    
2683   const Float_t kRB26s5RFlangeD4     =  0.50;    // Length of section 4                                                    
2684   const Float_t kRB26s5RFlangeRo     = 15.20/2.; // Flange outer radius 
2685   const Float_t kRB26s5RFlangeRi1    = 10.30/2.; // Flange inner radius section 1
2686   const Float_t kRB26s5RFlangeRi2    = 10.00/2.; // Flange inner radius section 2
2687   const Float_t kRB26s5RFlangeRi3    = 10.30/2.; // Flange inner radius section 3
2688   const Float_t kRB26s5RFlangeRi4    = 10.50/2.; // Flange inner radius section 4
2689
2690   z0 = 0;
2691   TGeoPcon* shRB26s5RFlange = new TGeoPcon(0., 360., 8);
2692   z0 = 0.;
2693   shRB26s5RFlange->DefineSection(0, z0, kRB26s5RFlangeRi4, kRB26s5RFlangeRo);
2694   z0 += kRB26s5RFlangeD4;
2695   shRB26s5RFlange->DefineSection(1, z0, kRB26s5RFlangeRi4, kRB26s5RFlangeRo);
2696   shRB26s5RFlange->DefineSection(2, z0, kRB26s5RFlangeRi3, kRB26s5RFlangeRo);
2697   z0 += kRB26s5RFlangeD3;
2698   shRB26s5RFlange->DefineSection(3, z0, kRB26s5RFlangeRi3, kRB26s5RFlangeRo);
2699   shRB26s5RFlange->DefineSection(4, z0, kRB26s5RFlangeRi2, kRB26s5RFlangeRo);
2700   z0 += kRB26s5RFlangeD2;
2701   shRB26s5RFlange->DefineSection(5, z0, kRB26s5RFlangeRi2, kRB26s5RFlangeRo);
2702   shRB26s5RFlange->DefineSection(6, z0, kRB26s5RFlangeRi1, kRB26s5RFlangeRo);
2703   z0 += kRB26s5RFlangeD1;
2704   shRB26s5RFlange->DefineSection(7, z0, kRB26s5RFlangeRi1, kRB26s5RFlangeRo);
2705   TGeoVolume* voRB26s5RFlange = new TGeoVolume("RB26s5RFlange", shRB26s5RFlange, kMedSteel);
2706
2707   TGeoVolume* voRB26s5RFlangeM = new TGeoVolume("RB26s5RFlangeM", MakeMotherFromTemplate(shRB26s5RFlange, 4, 7), kMedVac);
2708   voRB26s5RFlangeM->AddNode(voRB26s5RFlange, 1, gGeoIdentity);
2709
2710   //      
2711   // Assemble RB26/1-2
2712   //
2713   TGeoVolumeAssembly* asRB26s12 = new TGeoVolumeAssembly("RB26s12"); 
2714   z0 = 0.;
2715   asRB26s12->AddNode(voRB26s1RFlange,       1, gGeoIdentity);
2716   z0 += kRB26s1RFlangeIsL + kRB26s1RFlangeFpL;
2717   asRB26s12->AddNode(voRB26s12TubeM,         1, new TGeoTranslation(0., 0., z0));
2718   z0 += kRB26s12TubeL;
2719   asRB26s12->AddNode(voRB26s2Compensator,   1, new TGeoTranslation(0., 0., z0));
2720   z0 += kRB26s2CompL;
2721   z0 -= kRB26s2FFlangeD1;
2722   asRB26s12->AddNode(voRB26s2FFlangeM,       1, new TGeoTranslation(0., 0., z0));
2723   z0 += kRB26s2FFlangeL;
2724   const Float_t kRB26s12L = z0;
2725
2726   //
2727   // Assemble RB26/3
2728   //
2729   TGeoVolumeAssembly* asRB26s3 = new TGeoVolumeAssembly("RB26s3"); 
2730   z0 = 0.;
2731   asRB26s3->AddNode(voRB26s3SFlangeM,      1, gGeoIdentity);
2732   z0 +=  kRB26s3SFlangeL;
2733   z0 -=  kRB26s3SFlangeD3;
2734   asRB26s3->AddNode(voRB26s3FixedPointM,   1, new TGeoTranslation(0., 0., z0));
2735   z0 += kRB26s3FixedPointL;
2736   asRB26s3->AddNode(voRB26s3TubeM,         1, new TGeoTranslation(0., 0., z0));
2737   z0 += kRB26s3TubeL;
2738   asRB26s3->AddNode(voRB26s3Compensator,   1, new TGeoTranslation(0., 0., z0));
2739   z0 += kRB26s3CompL;
2740   z0 -= kRB26s3FFlangeD1;
2741   asRB26s3->AddNode(voRB26s3FFlangeM,      1, new TGeoTranslation(0., 0., z0));
2742   z0 += kRB26s3FFlangeL;
2743   const Float_t kRB26s3L = z0;
2744       
2745
2746   //
2747   // Assemble RB26/4-5
2748   //
2749   TGeoVolumeAssembly* asRB26s45 = new TGeoVolumeAssembly("RB26s45"); 
2750   z0 = 0.;
2751   asRB26s45->AddNode(voRB26s4SFlangeM,       1, gGeoIdentity);
2752   z0 +=  kRB26s4SFlangeL;
2753   z0 -=  kRB26s4SFlangeD3;
2754   asRB26s45->AddNode(voRB26s4FixedPointM,    1, new TGeoTranslation(0., 0., z0));
2755   z0 += kRB26s4FixedPointL;
2756   asRB26s45->AddNode(voRB26s45TubeM,         1, new TGeoTranslation(0., 0., z0));
2757   z0 += kRB26s45TubeL;
2758   asRB26s45->AddNode(voRB26s5Compensator,    1, new TGeoTranslation(0., 0., z0));
2759   z0 += kRB26s5CompL;
2760   z0 -= kRB26s5RFlangeD3;
2761   z0 -= kRB26s5RFlangeD4;
2762   asRB26s45->AddNode(voRB26s5RFlangeM,       1, new TGeoTranslation(0., 0., z0));
2763   z0 += kRB26s5RFlangeL;
2764   const Float_t kRB26s45L = z0;
2765       
2766   //
2767   // Assemble RB26
2768   //
2769   TGeoVolumeAssembly* asRB26Pipe = new TGeoVolumeAssembly("RB26Pipe"); 
2770   z0 = 0.;
2771   asRB26Pipe->AddNode(asRB26s12,       1, new TGeoTranslation(0., 0., z0));
2772   z0 +=  kRB26s12L;
2773   asRB26Pipe->AddNode(asRB26s3,        1, new TGeoTranslation(0., 0., z0));
2774   z0 +=  kRB26s3L;
2775   asRB26Pipe->AddNode(asRB26s45,       1, new TGeoTranslation(0., 0., z0));
2776   z0 +=  kRB26s45L;
2777   top->AddNode(asRB26Pipe, 1, new TGeoCombiTrans(0., 0., -82., rot180));
2778 }
2779
2780
2781
2782 //___________________________________________
2783 void AliPIPEv4::CreateMaterials()
2784 {
2785   //
2786   // Define materials for beam pipe
2787   //
2788
2789   AliDebugClass(1,"Create PIPEv4 materials");
2790   Int_t   isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ();
2791   Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max();
2792   // Steel (Inox)  
2793   Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
2794   Float_t zsteel[4] = { 26.,24.,28.,14. };
2795   Float_t wsteel[4] = { .715,.18,.1,.005 };
2796   // AlBe - alloy 
2797   Float_t aAlBe[2] = { 26.98, 9.01};             // al=2.702 be=1.8477      
2798   Float_t zAlBe[2] = { 13.00, 4.00};
2799   Float_t wAlBe[2] = { 0.4, 0.6};
2800   //
2801   // Polyamid
2802   Float_t aPA[4] = {16., 14., 12.,  1.};
2803   Float_t zPA[4] = { 8.,  7.,  6.,  1.};
2804   Float_t wPA[4] = { 1.,  1.,  6., 11.};
2805   //
2806   // Air 
2807   //
2808   Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
2809   Float_t zAir[4]={6.,7.,8.,18.};
2810   Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
2811   Float_t dAir = 1.20479E-3;
2812   Float_t dAir1 = 1.20479E-10;
2813   //
2814   // Insulation powder
2815   //                    Si         O       Ti     Al
2816   Float_t ains[4] ={28.0855, 15.9994, 47.867,  26.982};
2817   Float_t zins[4] ={14.,      8.    , 22.   ,  13.   };
2818   Float_t wins[4] ={ 0.3019,  0.4887,  0.1914,  0.018};
2819   //
2820   //
2821   // Anticorodal
2822   //
2823   // Al Si7 Mg 0.6
2824   //
2825   Float_t aaco[3] ={26.982, 28.0855, 24.035};
2826   Float_t zaco[3] ={13.,    14.    , 12.   };
2827   Float_t waco[3] ={ 0.924,  0.07,  0.006};
2828   // Kapton
2829   //
2830   Float_t aKapton[4]={1.00794,12.0107, 14.010,15.9994};
2831   Float_t zKapton[4]={1.,6.,7.,8.};
2832   Float_t wKapton[4]={0.026362,0.69113,0.07327,0.209235};
2833   Float_t dKapton = 1.42;
2834   // NEG coating
2835   //                  Ti     V      Zr
2836   Float_t aNEG[4] = {47.87, 50.94, 91.24};
2837   Float_t zNEG[4] = {22.00, 23.00, 40.00};
2838   Float_t wNEG[4] = {1./3., 1./3., 1./3.};  
2839   Float_t dNEG = 5.6; // ?
2840
2841   //---------------------------------
2842   // Aluminium AA 5083 for MFT: Al Manganese(Mn) Magnesium(Mg) Chrome(Cr)
2843   Float_t aALU5083[4]={26.982, 54.938, 24.305, 51.996};  // Mg pas meme a que la ligne Anticorodal!
2844   Float_t zALU5083[4] ={13., 25., 12., 24.};
2845   Float_t wALU5083[4] ={0.947, 0.007, 0.044, 0.0015};
2846   // Aluminium AA 2219 for MFT: Al Cu Mn Ti V Zr
2847   Float_t aALU2219[6]={26.982, 63.546, 54.938, 47.867, 50.941, 91.224};
2848   Float_t zALU2219[6] ={13., 29., 25., 22., 23., 40.};
2849   Float_t wALU2219[6] ={0.93, 0.063, 0.003, 0.0006, 0.001, 0.0018};
2850   //---------------------------------
2851
2852   //
2853   // Silicon for ITS UPGRADE
2854   AliMaterial(2,  "SILICON$",28.09 , 14.00 , 2.33 , 9.36 , 45.); 
2855
2856   //
2857   //     Berillium 
2858   AliMaterial(5, "BERILLIUM$", 9.01, 4., 1.848, 35.3, 36.7);
2859   //
2860   //     Carbon 
2861   AliMaterial(6,  "CARBON$   ", 12.01, 6., 2.265, 18.8, 49.9);
2862   //
2863   //     Aluminum 
2864   AliMaterial(9,  "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
2865   //
2866   //     Copper 
2867   AliMaterial(10, "COPPER", 63.55, 29, 8.96, 1.43, 85.6/8.96);
2868   //
2869   //     Air 
2870   AliMixture(15, "AIR$      ", aAir, zAir, dAir, 4, wAir);
2871   AliMixture(35, "AIR_HIGH$ ", aAir, zAir, dAir, 4, wAir);
2872   //
2873   //     Vacuum 
2874   AliMixture(16, "VACUUM$ ", aAir, zAir, dAir1, 4, wAir);
2875   //
2876   //     stainless Steel 
2877   AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
2878   //
2879   //     reduced density steel to approximate pump getter material
2880   AliMixture(20, "GETTER$", asteel, zsteel, 1.00, 4, wsteel);
2881   //     Al-Be alloy
2882   //     
2883   AliMixture(21, "AlBe$", aAlBe, zAlBe, 2.07, 2, wAlBe); 
2884   //     Polyamid
2885   //   
2886   AliMixture(22, "PA$", aPA, zPA, 1.14, -4, wPA);
2887   //
2888   //     Kapton
2889   AliMixture(23, "KAPTON", aKapton, zKapton, dKapton, 4, wKapton);
2890   // Anticorodal 
2891   AliMixture(24, "ANTICORODAL", aaco, zaco, 2.66, 3, waco);
2892   
2893   //
2894   //     Insulation powder 
2895   AliMixture(14, "INSULATION0$", ains, zins, 0.41, 4, wins);
2896   AliMixture(34, "INSULATION1$", ains, zins, 0.41, 4, wins);
2897   AliMixture(54, "INSULATION2$", ains, zins, 0.41, 4, wins);
2898
2899   //    NEG
2900   AliMixture(25, "NEG COATING", aNEG, zNEG, dNEG, -3, wNEG);
2901   
2902   //---------------------------------
2903   //  Aluminium AA5083 for MFT
2904   AliMixture(63, "ALUMINIUM5083$",aALU5083,zALU5083, 2.66 ,4,wALU5083); // from aubertduval.fr
2905   // Aluminium AA2219 for MFT
2906   AliMixture(64, "ALUMINIUM2219$",aALU2219,zALU2219, 2.84 ,6,wALU2219); // from aubertduval.fr
2907   //---------------------------------
2908    
2909   // **************** 
2910   //     Defines tracking media parameters. 
2911   //
2912   Float_t epsil  = .001;    // Tracking precision, 
2913   Float_t stemax = -0.01;   // Maximum displacement for multiple scat 
2914   Float_t tmaxfd = -20.;    // Maximum angle due to field deflection 
2915   Float_t deemax = -.3;     // Maximum fractional energy loss, DLS 
2916   Float_t stmin  = -.8;
2917   // *************** 
2918   //
2919   // Silicon for ITS UPGRADE
2920   AliMedium(2,  "SILICON",   2, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2921
2922
2923   //    Beryllium 
2924   
2925   AliMedium(5, "BE",       5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2926
2927   //    Carbon 
2928   AliMedium(6, "C",        6, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2929   //
2930   //    Aluminum 
2931   AliMedium(9, "ALU",      9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2932   //    Copper 
2933   AliMedium(10, "CU",      10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2934   //
2935   //    Air 
2936   AliMedium(15, "AIR",     15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2937   AliMedium(35, "AIR_HIGH",35, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2938   //
2939   //    Vacuum 
2940   AliMedium(16, "VACUUM", 16, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2941   //
2942   //    Steel 
2943   AliMedium(19, "INOX",   19, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2944   //
2945   //    Getter 
2946   AliMedium(20, "GETTER", 20, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2947   //
2948   //   AlBe - Aloy 
2949   AliMedium(21, "AlBe"  , 21, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2950   //
2951   //   Polyamid
2952   AliMedium(22, "PA"  ,   22, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2953   //   Antocorodal
2954   AliMedium(24, "ANTICORODAL",   24, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2955   //    Insulation Powder 
2956   AliMedium(14, "INS_C0          ", 14, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2957   AliMedium(34, "INS_C1          ", 34, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2958   AliMedium(54, "INS_C2          ", 54, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2959   //
2960   //   KAPTON
2961   AliMedium(23, "KAPTON", 23, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2962
2963   //
2964   //   NEG
2965   AliMedium(25, "NEG COATING", 25, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2966
2967   //----------------- for the MFT ----------------------
2968   AliMedium(63,"AA5083", 63, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2969   AliMedium(64,"AA2219", 64, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2970   //----------------------------------------------------
2971
2972
2973 }
2974
2975
2976 TGeoPcon* AliPIPEv4::MakeMotherFromTemplate(TGeoPcon* shape, Int_t imin, Int_t imax, Float_t r0, Int_t nz)
2977 {
2978   //
2979   //  Create a mother shape from a template setting some min radii to 0
2980   //
2981   Int_t nz0 = shape->GetNz();
2982   // if nz > -1 the number of planes is given by nz
2983   if (nz != -1) nz0 = nz;
2984   TGeoPcon* mother = new TGeoPcon(0., 360., nz0);
2985
2986   if (imin == -1 || imax == -1) {
2987     imin = 0;
2988     imax = shape->GetNz();
2989   } else if (imax >= nz0) {
2990     imax = nz0 - 1;
2991     printf("Warning: imax reset to nz-1 %5d %5d %5d %5d\n", imin, imax, nz, nz0);
2992   }
2993     
2994
2995     
2996   for (Int_t i = 0;  i < shape->GetNz(); i++) {
2997     Double_t rmin = shape->GetRmin(i);
2998     if ((i >= imin) && (i <= imax) ) rmin = r0;
2999     Double_t rmax = shape->GetRmax(i);
3000     Double_t    z = shape->GetZ(i);
3001     mother->DefineSection(i, z, rmin, rmax);
3002   }
3003   return mother;
3004     
3005 }
3006
3007 TGeoPcon* AliPIPEv4::MakeInsulationFromTemplate(TGeoPcon* shape)
3008 {
3009   //
3010   //  Create an beam pipe insulation layer shape from a template
3011   //
3012   Int_t nz = shape->GetNz();
3013   TGeoPcon* insu = new TGeoPcon(0., 360., nz);
3014     
3015   for (Int_t i = 0;  i < nz; i++) {
3016     Double_t    z = shape->GetZ(i);
3017     Double_t rmin = shape->GetRmin(i);
3018     Double_t rmax = shape->GetRmax(i);
3019     rmax += 0.5;
3020     shape->DefineSection(i, z, rmin, rmax);     
3021     rmin  = rmax - 0.5;
3022     insu->DefineSection(i, z, rmin, rmax);      
3023   }
3024   return insu;
3025     
3026 }
3027
3028
3029 TGeoVolume* AliPIPEv4::MakeBellow(const char* ext, Int_t nc, Float_t rMin, Float_t rMax, Float_t dU, Float_t rPlie, Float_t dPlie)
3030 {
3031   // nc     Number of convolution
3032   // rMin   Inner radius of the bellow
3033   // rMax   Outer radius of the bellow
3034   // dU     Undulation length
3035   // rPlie  Plie radius
3036   // dPlie  Plie thickness
3037   const TGeoMedium* kMedVac    =  gGeoManager->GetMedium("PIPE_VACUUM");    
3038   //const TGeoMedium* kMedSteel  =  gGeoManager->GetMedium("PIPE_INOX");   
3039   const TGeoMedium* kMedAlu5083 =  gGeoManager->GetMedium("PIPE_AA5083"); //fm       
3040
3041   char name[64], nameA[64], nameB[64], bools[64];
3042   snprintf(name, 64, "%sBellowUS", ext);
3043   TGeoVolume* voBellow = new TGeoVolume(name, new TGeoTube(rMin, rMax, dU/2.), kMedVac);
3044   //      
3045   //  Upper part of the undulation
3046   //
3047   TGeoTorus* shPlieTorusU  =  new TGeoTorus(rMax - rPlie, rPlie - dPlie, rPlie);
3048   snprintf(nameA, 64, "%sTorusU", ext);
3049   shPlieTorusU->SetName(nameA);
3050   TGeoTube*  shPlieTubeU   =  new TGeoTube (rMax - rPlie, rMax, rPlie);
3051   snprintf(nameB, 64, "%sTubeU", ext);
3052   shPlieTubeU->SetName(nameB);
3053   snprintf(name, 64, "%sUpperPlie", ext);
3054   snprintf(bools, 64, "%s*%s", nameA, nameB);
3055   TGeoCompositeShape*  shUpperPlie = new TGeoCompositeShape(name, bools);
3056     
3057   TGeoVolume* voWiggleU = new TGeoVolume(name, shUpperPlie, kMedAlu5083);
3058   voWiggleU->SetLineColor(kOrange); // fm
3059   
3060   // Lower part of the undulation
3061   TGeoTorus* shPlieTorusL =  new TGeoTorus(rMin + rPlie, rPlie - dPlie, rPlie);
3062   snprintf(nameA, 64, "%sTorusL", ext);
3063   shPlieTorusL->SetName(nameA);
3064   TGeoTube*  shPlieTubeL  =  new TGeoTube (rMin, rMin + rPlie, rPlie);
3065   snprintf(nameB, 64, "%sTubeL", ext);
3066   shPlieTubeL->SetName(nameB);
3067   snprintf(name, 64, "%sLowerPlie", ext);
3068   snprintf(bools, 64, "%s*%s", nameA, nameB);
3069   TGeoCompositeShape*  shLowerPlie = new TGeoCompositeShape(name, bools);
3070     
3071   TGeoVolume* voWiggleL = new TGeoVolume(name, shLowerPlie, kMedAlu5083); 
3072   voWiggleL->SetLineColor(kOrange); // fm
3073   
3074   // Connection between upper and lower part of undulation
3075   snprintf(name, 64, "%sPlieConn1", ext);
3076   TGeoVolume* voWiggleC1 = new TGeoVolume(name, new TGeoTube(rMin + rPlie, rMax - rPlie, dPlie/2.), kMedAlu5083);
3077   voWiggleC1->SetLineColor(kOrange); // fm
3078   
3079   // One wiggle
3080   Float_t dz = rPlie -  dPlie / 2.;
3081   Float_t z0 = -  dPlie / 2.;
3082   snprintf(name, 64, "%sWiggle", ext);
3083   TGeoVolumeAssembly* asWiggle = new TGeoVolumeAssembly(name);
3084
3085   asWiggle->AddNode(voWiggleC1,  1 , new TGeoTranslation(0., 0., z0));
3086   z0 += dz;
3087   asWiggle->AddNode(voWiggleU,   1 , new TGeoTranslation(0., 0., z0));
3088   z0 += dz;
3089   asWiggle->AddNode(voWiggleC1,  2 , new TGeoTranslation(0., 0., z0));
3090   z0 += dz;
3091   asWiggle->AddNode(voWiggleL ,  1 , new TGeoTranslation(0., 0., z0));
3092   // Positioning of the volumes
3093   z0   = - dU / 2.+ rPlie;
3094   ////////////voBellow->AddNode(voWiggleL, 2, new TGeoTranslation(0., 0., z0));   removing the first 1/2 plie, fm
3095   z0  +=  rPlie;
3096   Float_t zsh  = 4. *  rPlie -  2. * dPlie;
3097   for (Int_t iw = 0; iw < nc; iw++) {
3098     Float_t zpos =  z0 + iw * zsh;      
3099     voBellow->AddNode(asWiggle,  iw + 1, new TGeoTranslation(0., 0., zpos - dPlie));
3100
3101   }
3102   return voBellow;
3103 }
3104
3105