Cold Leak Tests of LHC Beam Screens (2009)
Collomb-Patton, C, Cruikshank, P, Jenninger, B, Kos, N
In order to guide the high energy proton beams inside its two 27 km long vacuum rings, the Large Hadron Collider (LHC) at CERN, Geneva, makes use of superconducting technology to create the required...
Radiation zoning for vacuum equipment of the CERN Large Hadron Collider (2009)
Mahner, E, Chemli, S, Cruikshank, P, Forkel-Wirth, D, Jiménez, J M
Beam losses in high-energy particle accelerators are responsible for beam lifetime degradation. In the LHC beam losses will create a shower of particles while interacting with materials from the beam...
Report of the Task Force on the Incident of 19th September 2008 at the LHC (2009)
Bajko, M, Bertinelli, F, Catalan-Lasheras, N, Claudet, S, Cruikshank, P, Dahlerup-Petersen, K, ...
This report summarizes the findings and recommendations of the AT department Task Force established to investigate the 19th September 2008 incident which occurred in sector 3-4 of the LHC. It...
Fessia, P, Bertinelli, F, Bozzini, D, Cruikshank, P, Jacquemod, A, Maan, W, ...
The interconnections of the Large Hadron Collider (LHC) continuous cryostat have been completed in fall 2007: 1695 interconnections magnet to magnet and 224 interconnections between the continuous...
The Quality Control of the LHC Continuous Cryostat Interconnections (2008)
Bertinelli, F, Borowiec, P, Bozzini, D, Cruikshank, P, Fessia, P, Grimaud, A, ...
The interconnections between the Large Hadron Collider (LHC) magnets have required some 40 000 TIG welded joints and 65 000 electrical splices. At the level of single joints and splices,...
The Special LHC Interconnections: Technologies, Organization and Quality Control (2008)
Tock, J P, Bertinelli, F, Bozzini, D, Cruikshank, P, Desebe, O, Felip, M, ...
In addition to the standard interconnections (IC) of the continuous cryostat of the Large Hadron Collider (LHC), there exists a variety of special ones related to specific components and assemblies,...
Poncet, A, Cruikshank, P, Parma, V, Strubin, P, Tock, JP, Tommasini, D
In 2001, the project management decided to perform at CERN the final assembly of the LHC superconducting magnets with cryostat parts and cold masses produced by European Industry in large series....
The Preparation of the Cryomagnets and the Assembly of the LHC Test String 2 (2001)
Andujar, O, Bozzini, D, Calzas-Rodriguez, C, Cruikshank, P, Desebe, O, Dobers, T, ...
The numerous complex activities required to prepare the cryomagnets for the installation in String 2 are described. These include the configuration of the mechanical interfaces, thee conditioning of...
The Commissioning of the LHC Test String 2 (2001)
Bordry, F, Bozzini, D, Casas-Cubillos, J, Cruikshank, P, Dahlerup-Petersen, K, Denz, R, ...
String 2 [1,2] is a full-size model of an LHC cell of the regular part of the arc. It is composed of six dipole magnets with their correctors, two short straight sections with their orbit and lattice...
The Preparation of the Cryomagnets and the Assembly of the LHC Test String 2 (2001)
Andujar, O, Bozzini, D, Calzas-Rodriguez, C, Cruikshank, P, Desebe, O, Dobers, T, ...
The numerous complex activities required to prepare the cryomagnets for the installation in String 2 are described. These include the configuration of the mechanical interfaces, thee conditioning of...
The Commissioning of the LHC Test String 2 (2001)
Bordry, Frederick, Bozzini, D, Casas-Cubillos, J, Cruikshank, P, Dahlerup-Petersen, K, Denz, R, ...
String 2 [1,2] is a full-size model of an LHC cell of the regular part of the arc. It is composed of six dipole magnets with their correctors, two short straight sections with their orbit and lattice...
The LHC Magnet String Programme (1999)
Bordry, F, Casas-Cubillos, J, Cruikshank, P, Dahlerup-Petersen, K, Rodríguez-Mateos, F, Proudlock, Paul, ...
Update of the LHC Arc Cryostat Systems Layouts and Integration (1999)
Brunet, J C, Cruikshank, P, Ostojic, R, Poncet, Alain, Proudlock, Paul, Rohmig, P, ...
Since the LHC Conceptual Design report's publication in October 1995 [1], and subsequent evolutions [2], the LHC Arc Cryostat System has undergone recently a number of significant changes, dictated...
The LHC Magnet String Programme: Status and Future Plans (1999)
Bordry, Frederick, Casas-Cubillos, J, Cruikshank, P, Dahlerup-Petersen, K, Rodríguez-Mateos, F, Proudlock, Paul, ...
Update of the LHC Arc Cryostat Systems Layouts and Integration (1999)
Brunet, J C, Cruikshank, P, Ostojic, R, Poncet, Alain, Proudlock, Paul, Rohmig, P, ...
Since the LHC Conceptual Design report's publication in October 1995 [1], and subsequent evolutions [2], the LHC Arc Cryostat System has undergone recently a number of significant changes, dictated...
The LHC Prototype Full-Cell: Design Study (1998)
Bordry, Frederick, Brunet, J C, Casas-Cubillos, J, Cruikshank, P, Dahlerup-Petersen, K, Delruelle, N, ...
As a continuation of the experimental program carried-out with String 1, project management decided toward the end of 1995 to construct an LHC prototype Full-Cell, also known as String 2. The present...
Mechanical Design Aspects of The LHC Beam screen (1997)
Cruikshank, P, Artoos, K, Bertinelli, F, Brunet, J C, Calder, R, Campedel, C, ...
Forty-four kilometers of the LHC beam vacuum system [1,2] will be equipped with a perforated co-axial liner, the so-called beam screen. Operating between 5 K and 20 K, the beam screen reduces heat...
Mechanical Design Aspects of The LHC Beam screen (1997)
Cruikshank, P, Artoos, K, Bertinelli, F, Brunet, J C, Calder, R, Campedel, C, ...
Forty-four kilometers of the LHC beam vacuum system [1,2] will be equipped with a perforated co-axial liner, the so-called beam screen. Operating between 5 K and 20 K, the beam screen reduces heat...
Experiments and cycling at the LHC prototype helf-cell (1997)
Casas-Cubillos, J, Collier, Paul, Cruikshank, P, Dahlerup-Petersen, K, Desforges, D, Hilbert, B, ...
The first version of the LHC prototype half-cell has been in operation since February 1995. It consists of one quadrupole and three 10-m twin aperture dipole magnets which operate at 1.8 K. This...
Mechanical design and layout of the LHC standard half-cell (1997)
Brunet, J C, Cruikshank, P, Erdt, W K, Genet, M, Parma, Vittorio, Poncet, Alain, ...
The LHC Conceptual Design Report issued on 20th October 1995 [1] introduced significant changes to some fundamental features of the LHC standard half-cell, composed of one quadrupole, 3 dipoles and a...
Experiments and cycling at the LHC prototype helf-cell (1997)
Casas-Cubillos, J, Collier, Paul, Cruikshank, P, Dahlerup-Petersen, K, Desforges, D, Hilbert, B, ...
The first version of the LHC prototype half-cell has been in operation since February 1995. It consists of one quadrupole and three 10-m twin aperture dipole magnets which operate at 1.8 K. This...
Mechanical design and layout of the LHC standard half-cell (1997)
Brunet, J C, Cruikshank, P, Erdt, W K, Genet, M, Parma, Vittorio, Poncet, Alain, ...
The LHC Conceptual Design Report issued on 20th October 1995 [1] introduced significant changes to some fundamental features of the LHC standard half-cell, composed of one quadrupole, 3 dipoles and a...
Cryogenic and vacuum sectorisation of the LHC arcs (1996)
Bóna, M, Cruikshank, P, Erdt, W K, Perinet-Marquet, J L, Poncet, Alain, Rohmig, P, ...
Following the recommendation of the LHC TC of June 20th, 1995 to introduce a separate cryogenic distribution line (QRL), which opened the possibility to have a finer cryogenic and vacuum...
Investigation of Thermal and Vacuum Transients on the LHC Prototype Magnet String (1996)
Cruikshank, P, Kos, N, Riddone, G, Tavian, L
The prototype magnet string, described in a companion paper, is a full-scale working model of a 50-m length of the future Large Hadron Collider (LHC), CERN's new accelerator project, which will use...
The LHC test string: first operational experience (1996)
Bézaguet, Alain-Arthur, Brahy, D, Casas-Cubillos, J, Coull, L, Cruikshank, P, Dahlerup-Petersen, K, ...
CERN operates the first version of the LHC Test String which consists of one quadrupole and three 10-m twin aperture dipole magnets. An experimental programme aiming at the validation of the LHC...
The Large Hadron Collider vacuum system (1995)
Angerth, B, Bertinelli, F, Brunet, J C, Calder, R, Caspers, Friedhelm, Cruikshank, P, ...
The Large Hadron Collider Vacuum System (1995)
B. Angerth, F. Bertinelli, R. Calder, F. Caspers, P. Cruikshank, ...
INTRODUCTION The two rings of the LHC beam vacuum system have a total length of about 54 km of which almost 48 km will be at 1.9 K, the temperature of the superconducting magnets [1]. With the design...