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Quench performance and mechanical behavior of the first Fermilab-built prototype high gradient quadrupole for the LHC interaction regions

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32 Author(s)
Andreev, N. ; Fermi Nat. Accel. Lab., Batavia, IL, USA ; Arkan, T. ; Bauer, P. ; Bossert, R.
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As part of the US LHC program to provide high gradient superconducting quadrupoles for the LHC interaction regions, a 5.5 meter long prototype magnet has been built and tested horizontally in a production type cryostat at Fermilab. This prototype magnet was used to validate the mechanical and magnetic design, production fabrication and assembly tooling. The first prototype magnet has met the LHC requirements of operating at 215 T/m with excellent magnetic field harmonics. This paper summarizes the test results of this magnet, including quench tests and mechanical behavior over several thermal cycles.

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Applied Superconductivity, IEEE Transactions on  (Volume:12 ,  Issue: 1 )