72 citations · 234 across the 23 of their papers we have counts for
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Test results of the LQXFA/B02 and LQXFA/B03 cryo-assemblies for the High Luminosity LHC upgrade
G. Chlachidze, G. Ambrosio, M. Anerella +13
The US High-Luminosity LHC Accelerator Upgrade Project (AUP) is responsible for delivering cryo-assemblies for the Q1/Q3 quadrupole optical components of the High Luminosity LHC up…
The 2025 Roadmaps for the US Magnet Development Program
Lance Cooley, Paolo Ferracin, Steve Gourlay +21
The US Physics community completed the Snowmass planning process in 2022, culminating in the HEPAP Particle Physics Project Prioritization Panel (P5) publishing its summary report…
High Field Magnet Programme -- European Strategy Input
B. Auchmann, E. Todesco, A. Ballarino +6
In this submission, we describe research goals, implementation, and timelines of the High Field Magnet Programme, hosted by CERN. The programme pursues accelerator-magnet R&D with…
First results of AUP Nb3Sn quadrupole horizontal tests
M. Baldini, G. Ambrosio, G. Apollinari +48
The Large Hadron Collider will soon undergo an upgrade to increase its luminosity by a factor of ~10 [1]. A crucial part of this upgrade will be replacement of the NbTi focusing ma…
Effect of CLIQ on training of HL-LHC quadrupole magnets
S. Stoynev, G. Ambrosio, K. Amm +6
The high-luminosity LHC upgrade requires stronger than LHC low-beta quadrupole magnets to reach the luminosity goals of the project. The project is well advanced and HL-LHC quadrup…
Analysis of the mechanical performance of the 4.2 m long MQXFA magnets for the Hi-Lumi LHC Upgrade
L. Garcia Fajardo, G. Ambrosio, A. Ben Yahia +9
Under the U.S. High Luminosity LHC Accelerator Upgrade Project (HL-LHC AUP), the 150 mm bore, high-field Nb3Sn low-\b{eta} MQXFA quadrupole magnets are being fabricated, assembled…
Conceptual design of 20 T hybrid accelerator dipole magnets
P. Ferracin, G. Ambrosio, M. Anerella +17
Hybrid magnets are currently under consideration as an economically viable option towards 20 T dipole magnets for next generation of particle accelerators. In these magnets, High T…
MQXFA Series Magnet Production Specification
Paolo Ferracin, Giorgio Ambrosio, Giorgio Apollinari +7
The purpose of this document is to define the specifications for the structure fabrication and assembly of MQXFA series magnets to be used by the US High-Luminosity LHC Accelerator…
Optimizing the use of pressurized bladders for the assembly of HL-LHC MQXFB magnets
J. Ferradas Troitino, G. Ambrosio, N. Bourcey +14
The use of pressurized bladders for stress control of superconducting magnets was firstly proposed at Lawrence Berkeley National Laboratory (LBNL) in the early 2000s. Since then, t…
Challenges and Lessons Learned from fabrication, testing and analysis of eight MQXFA Low Beta Quadrupole magnets for HL-LHC
G. Ambrosio, K. Amm, M. Anerella +55
By the end of October 2022, the US HL-LHC Accelerator Upgrade Project (AUP) had completed fabrication of ten MQXFA magnets and tested eight of them. The MQXFA magnets are the low b…
Uni-layer magnets: a new concept for LTS and HTS based superconducting magnets
José Luis Rudeiros Fernández, Paolo Ferracin
A novel geometrical configuration to form a magnetic field perpendicular to an aperture, created by an asymmetric current distribution, within a single layer, and using a continuou…
A Metallurgical Inspection Method to Assess the Damage in Performance-Limiting Nb3Sn Accelerator Magnet Coils
Alice Moros, Mickael Denis Crouvizier, Ignacio Aviles Santillana +12
The design and production of Nb3Sn-based dipole and quadrupole magnets is critical for the realization of the High-Luminosity Large Hadron Collider (HL-LHC) at the European Organiz…
Towards 20 T Hybrid Accelerator Dipole Magnets
P. Ferracin, G. Ambrosio, D. Arbelaez +13
The most effective way to achieve very high collision energies in a circular particle accelerator is to maximize the field strength of the main bending dipoles. In dipole magnets u…
A Strategic Approach to Advance Magnet Technology for Next Generation Colliders
G. Ambrosio, K. Amm, M. Anerella +74
Colliders are built on a foundation of superconducting magnet technology that provides strong dipole magnets to maintain the beam orbit and strong focusing magnets to enable the ex…
REBCO -- a silver bullet for our next high-field magnet and collider budget?
Xiaorong Wang, Anis Ben Yahia, Ernesto Bosque +10
High-field superconducting magnets with a dipole field of 16 T and above enable future energy-frontier circular particle colliders. Although we believe these magnets can be built,…
Common Coil Dipole for High Field Magnet Design and R&D
Ramesh Gupta, Kathleen Amm, Julien Avronsart +22
The common coil geometry provides an alternate design to the conventional cosine theta dipoles. It allows a wider range of conductor and magnet technologies. It also facilitates a…
Fiber-optic diagnostic system for future accelerator magnets
Maria Baldini, Giorgio Ambrosio, Paolo Ferracin +6
The next generation high energy physics accelerators will require magnetic fields at ~20 T. HTS coils will be an essential component of future accelerator magnets and several effor…
MQXFA Final Design Report
Giorgio Ambrosio, Kathleen Amm, Mike Anerella +29
The MQXFA Quadrupole magnets will be installed in High Luminosity LHC to form the Q1 and Q3 inner triplet optical elements in front of the interaction points 1 (ATLAS) and 5 (CMS).…
Development and demonstration of next generation technology for Nb_3Sn accelerator magnets with lower cost, improved performance uniformity, and higher operating point in the 12-14 T range
Giorgio Ambrosio, Giorgio Apollinari, Vito Lombardo +7
The scope of the proposal outlined in this white paper is the development and demonstration of the technology needed for next generation of Nb_3Sn accelerator magnets in the 12-14…
Insertion Magnets
G. Ambrosio, M. Anerella, R. Bossert +34
Chapter 3 in High-Luminosity Large Hadron Collider (HL-LHC) : Preliminary Design Report. The Large Hadron Collider (LHC) is one of the largest scientific instruments ever built. Si…
Updated baseline for a staged Compact Linear Collider
The CLIC, CLICdp collaborations, : +515
The Compact Linear Collider (CLIC) is a multi-TeV high-luminosity linear e+e- collider under development. For an optimal exploitation of its physics potential, CLIC is foreseen to…
Case Studies on Superconducting Magnets for Particle Accelerators
P Ferracin
During the CERN Accelerator School 'Superconductivity for accelerators', the students were divided into 18 groups, and 6 different exercises (case studies), involving the design an…