Progress with high-field superconducting magnets for high-energy colliders
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
One of the possible next steps for high-energy physics research relies on a high-energy hadron or muon collider. The energy of a circular collider is limited by the strength of bending dipoles, and its maximum luminosity is determined by the strength of final focus quadrupoles. For this reason, the high-energy physics and accelerator communities have shown much interest in higher-field and higher-gradient superconducting accelerator magnets. The maximum field of NbTi magnets used in all present high-energy machines, including the LHC, is limited to ~10 T at 1.9 K. Fields above 10 T became possible with the use of Nb$$_3$$Sn superconductors. Nb$$_3$$Sn accelerator magnets can provide operating fields up to ~15 T and can significantly increase the coil temperature margin. Accelerator magnets with operating fields above 15 T require high-temperature superconductors. Furthermore, this review discusses the status and main results of Nb$$_3$$Sn accelerator magnet research and development and work toward 20-T magnets.
- Research Organization:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- Grant/Contract Number:
- AC02-07CH11359
- OSTI ID:
- 1247503
- Report Number(s):
- FERMILAB-PUB-15-544-TD; 1403750
- Journal Information:
- Annual Review of Nuclear and Particle Science, Vol. 65, Issue 1; ISSN 0163-8998
- Publisher:
- Annual ReviewsCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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