Summary
This paper reports progress on superconducting Nb₃Sn magnet development for the High-Luminosity LHC upgrade programme, a collaborative effort between CERN and the US Accelerator Upgrade Program. The work focuses on two critical magnet systems: 150-mm aperture triplet quadrupoles and an innovative 11 T dipole design that increases field strength while maintaining the same coil cross-section as LHC standard dipoles. Results from short model programmes, including quench behaviour and field quality assessments, inform the transition to prototype construction phases.
Key measures
Quench performance, field quality, current density, magnetic field strength (11 T dipole vs. 8 T standard dipole)
Outcomes reported
The study reports on the development and testing of Nb₃Sn superconducting magnets for the HL-LHC upgrade, including quench performance, field quality, and critical design aspects of both triplet quadrupoles and 11 T dipoles. Key results from short model testing and transition to prototype construction are presented.
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