Conceptual Development of a Novel Ultra-Thin and Transparent 2 T Superconducting Detector Solenoid for the Future Circular Collider

Tobias Kulenkampff*, Alexey Dudarev, Veronica Ilardi, Matthias Mentink, Helder Silva, Erwin Bielert, Herman H.J. ten Kate

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

2 Citations (Scopus)
4 Downloads (Pure)

Abstract

In the frame of the ongoing Future Circular Collider (FCC) Study, a novel ultra-thin and maximum radiation transparent solenoid for next generation particle detectors is under development. Actually, two versions providing 2 T and 3 T for the FCC-ee and FCC-hh detectors, respectively, are engineered, but here we report on the 2 T version only. Essential aspects of the design are presented. The mechanical and thermal stability of the cold mass is investigated. New, very high-yield stress Al-stabilized NbTi/Cu conductors are required to allow a 0.4 ∗ X 0 radiation thickness. For conductor production, welding of dissimilar aluminum alloys will be necessary. Electron beam and friction stir welding techniques were tested to connect the Ni-doped pure Aluminum stabilizer to the very high-yield strength Al-7068 alloy. The welding results and their applicability are presented and discussed. The proposed conduction-based cold mass cooling scheme using heat drains, and quench protection were analyzed and results are presented.

Original languageEnglish
Article number8665973
JournalIEEE transactions on applied superconductivity
Volume29
Issue number5
Early online date12 Mar 2019
DOIs
Publication statusPublished - 1 Aug 2019

Keywords

  • Detector solenoid
  • Future Circular Collider (FCC)
  • Thin
  • Transparent
  • n/a OA procedure

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