Main Field Tracking Measurement in the LHC Superconducting Dipole and Quadrupole Magnets (2008)
Xydi, P, Alemany-Fernandez, R, Bottura, L, Deferne, G, Lamont, M, Miles, J, ...
One of the most stringent requirements during the energy ramp of the Large Hadron Collider (LHC) is to have a constant ratio between dipole-quadrupole and dipole-dipole field so as to control the...
Sammut, N J, Bottura, L, Deferne, G, Venturini-Delsolaro, W, Wolf, R
The allowed multipoles in the Large Hadron Collider (LHC) superconducting dipole magnets decay whilst on a constant current plateau. It is known that the decay amplitude is largely affected by the...
Sammut, N J, Alemany-Fernandez, R, Bottura, L, Deferne, G, Lamont, M, Miles, J, ...
In order to reduce the burden on the beam-based feedback, the Large Hadron Collider control system is equipped with the Field Description for the LHC (FiDeL) which provides a forecast of the magnetic...
Main Field Tracking Measurement in the LHC Superconducting Dipole and Quadrupole Magnets (2008)
Xydi, P, Sammut, N, Alemany-Fernandez, R, Bottura, L, Deferne, G, Lamont, M, ...
One of the most stringent requirements during the energy ramp of the Large Hadron Collider (LHC) is to have a constant ratio between dipole-quadrupole and dipole-dipole field so as to control the...
Sammut, N, Xydi, P, Alemany-Fernandez, R, Bottura, L, Deferne, G, Lamont, M, ...
In order to reduce the burden on the beam-based feedback, the Large Hadron Collider control system is equipped with the Field Description for the LHC (FiDeL) which provides a forecast of the magnetic...
Sammut, N, Bottura, L, Deferne, G, Venturini-Delsolaro, W, Wolf, R
The allowed multipoles in the Large Hadron Collider (LHC) superconducting dipole magnets decay whilst on a constant current plateau. It is known that the decay amplitude is largely affected by the...
Xydi, P, Sammut, N, Alemany-Fernandez, R, Bottura, L, Deferne, G, Lamont, M, ...
A dedicated measurement campaign was set up to test the FiDeL concept and its LSA implementation. The test was performed by demonstrating the tracking of B1 and B2 for two LHC main dipoles and one...
Warm and Cold Magnetic and Mechanical Alignment Tests of LHC Short Straight Sections (2006)
Buzio, M, Beauquis, J, Bottura, L, Coccoli, M, Deferne, G, Krotov, N, ...
This paper contains a summary of the results of the magnetic and mechanical alignment tests performed at CERN on the first 111 arc Short Straight Sections. These include the mechanical axis of the...
Focusing Strength Measurements of the Main Quadrupoles for the LHC (2006)
Smirnov, N, Bottura, L, Calvi, M, Deferne, G, Di Marco, J, Sammut, N, ...
More than 1100 quadrupole magnets of different types are needed for the Large Hadron Collider (LHC) which is in the construction stage at CERN. The most challenging parameter to measure on these...
Bottura, L, Buzio, M, Coccoli, M, Deferne, G, García-Pérez, J, Smirnov, N
Considerable effort is spent at CERN on magnetic alignment measurements of main lattice LHC dipoles, including field direction, curved axis shape and position of in-built correctors, essential to...
Results of Magnetic Axis Measurements on a Prototype Main Lattice Quadrupole for the LHC (2004)
Smirnov, N, Buzio, M, Deferne, G, Parma, V, Rohmig, P, Tortschanoff, Theodor
More than 470 twin aperture lattice quadrupoles are needed for the Large Hadron Collider (LHC) under construction at CERN. The lattice quadrupole, assembled with correction magnets in its helium...
Results of Magnetic Axis Measurements on a Prototype Main Lattice Quadrupole for the LHC (2004)
Smirnov, N, Buzio, M, Deferne, G, Parma, V, Rohmig, P, Tortschanoff, Theodor
More than 470 twin aperture lattice quadrupoles are needed for the Large Hadron Collider (LHC) under construction at CERN. The lattice quadrupole, assembled with correction magnets in its helium...
Bottura, L, Buzio, M, Coccoli, M, Deferne, G, García-Pérez, J, Smirnov, N
Considerable effort is spent at CERN on magnetic alignment measurements of main lattice LHC dipoles, including field direction, curved axis shape and position of in-built correctors, essential to...
Magnetic Measurement of Alignment of Main LHC Dipoles and Associated Correctors (2002)
Bottura, L, Buzio, M, Deferne, G, Schnizer, P, Sievers, P, Smirnov, N
We discuss the method developed for the verification of alignment of magnetic elements contained in the LHC cryodipole cold mass during series tests at CERN. First, we outline motivations and...
Magnetic Measurement of Alignment of Main LHC Dipoles and Associated Correctors (2002)
Bottura, L, Buzio, M, Deferne, G, Schnizer, P, Sievers, P, Smirnov, N
We discuss the method developed for the verification of alignment of magnetic elements contained in the LHC cryodipole cold mass during series tests at CERN. First, we outline motivations and...
Geometric and Magnetic Axes of the LHC Dipole (2001)
Bajko, M, Billan, J, Buzio, M, Deferne, G, Ferracin, P, García-Pérez, J, ...
The 15-m long superconducting dipoles of the Large Hadron Collider (LHC) with two-in-one design are curved by about 5 mrad to follow the beam trajectory. They are supported on three cold feet to...
Geometric and Magnetic Axes of the LHC Dipole (2001)
Bajko, M, Billan, J, Buzio, M, Deferne, G, Ferracin, P, García-Pérez, J, ...
The 15-m long superconducting dipoles of the Large Hadron Collider (LHC) with two-in-one design are curved by about 5 mrad to follow the beam trajectory. They are supported on three cold feet to...
A mole for warm magnetic and optical measurements of LHC dipoles (2000)
Bottura, L., Buzio, M., Deferne, G., Legrand, P., Rijllart, A., Sievers, P., ...
A new rotating coil probe (a mole) has been developed for the simultaneous measurement of the magnetic field and magnetic axis of warm superconducting LHC dipoles and associated corrector windings....
Twin Rotating Coils for Cold Magnetic Measurements of 15 m Long LHC Dipoles (1999)
Billan, J, Bottura, L, Buzio, M, D'Angelo, G, Deferne, G, Dunkel, O, ...
We describe here a new harmonic coil system for the field measurement of the superconducting, twin aperture LHC dipoles and the associated corrector magnets. Besides field measurements the system can...
A Mole for Warm Magnetic and Optical Measurements of LHC Dipoles (1999)
Bottura, L, Buzio, M, Deferne, G, Glöckner, C, Jansen, H, Köster, A, ...
A new rotating coil probe (a mole) has been developed for the simultaneous measurement of the magnetic field and magnetic axis of warm superconducting LHC dipoles and associated corrector windings....
Twin Rotating Coils for Cold Magnetic Measurements of 15 m Long LHC Dipoles (1999)
Billan, J, Bottura, L, Buzio, M, D'Angelo, G, Deferne, G, Dunkel, O, ...
We describe here a new harmonic coil system for the field measurement of the superconducting, twin aperture LHC dipoles and the associated corrector magnets. Besides field measurements the system can...
A Mole for Warm Magnetic and Optical Measurements of LHC Dipoles (1999)
Bottura, L, Buzio, M, Deferne, G, Glöckner, C, Jansen, H, Köster, A, ...
A new rotating coil probe (a mole) has been developed for the simultaneous measurement of the magnetic field and magnetic axis of warm superconducting LHC dipoles and associated corrector windings....