page_title: Future Circular Collider
section_title: Magnet Technologies
hierarchical_section_title: Future Circular Collider / Technologies / Magnet Technologies
caption_attribution_description: English: Evolution of superconducting Nb-Ti magnets for particle accelerator use.
context_page_description: The Future Circular Collider is a proposed post-LHC particle accelerator with an energy significantly above that of previous circular colliders. After injection at 3.3 TeV, each beam would have a total energy of 560 MJ. With a centre-of-mass collision energy of 100 TeV the total energy value increases to 16.7 GJ. These total energy values exceed the present LHC by nearly a factor of 30.
  CERN hosted an FCC study exploring the feasibility of different particle collider scenarios with the aim of significantly increasing the energy and luminosity compared to existing colliders. It aims to complement existing technical designs for linear electron/positron colliders.
  The study explores the potential of hadron and lepton circular colliders, performing an analysis of infrastructure and operation concepts and considering the technology research and development programmes that are required to build and operate a future circular collider. A conceptual design report was published in early 2019, in time for the next update of the European Strategy for Particle Physics.
context_section_description: High-field superconducting magnets are a key enabling technology for a frontier hadron collider. To steer a 50 TeV beam over a 100 km tunnel, 16-Tesla dipoles will be necessary, twice the strength of the magnetic field of the LHC.
  The main objectives of a R&D on 16 T Nb3Sn dipole magnets for a large particle accelerator are to prove that these types of magnets are feasible in accelerator quality and to ensure an adequate performance at an affordable cost. Therefore the goals are to push the conductor performance beyond present limits, to reduce the required "margin on the load line" with consequent reduction of conductor use and magnet size and the elaboration of an optimized magnet design maximizing performance with respect to cost.,
  The magnet R&D aims to extend the range of operation of accelerator magnets based on Low Temperature Superconductors (LTS) up to 16 T and explore the technological challenges inherent to the use of High Temperature Superconductors (HTS) for accelerator magnets in the 20 T range.
caption: Evolution of superconducting Nb-Ti magnets for particle accelerator use.
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