Journal
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
Volume 24, Issue 3, Pages -Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TASC.2013.2288603
Keywords
Dipoles; low-temperature superconductors; quadrupoles; superconducting accelerator magnets
Funding
- European Commission under the FP7 project HiLumi LHC [284404]
- DoE, USA
- KEK, Japan
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The High Luminosity LHC (HL-LHC) project aims at accumulating 3000 fb(-1) in the years 2023-2035, i.e., ten times more w.r.t. the nominal LHC performance expected for 2010-2021. One key element to reach this challenging performance is a new insertion region to reduce the beam size in the interaction point by approximately a factor two. This requires larger aperture magnets in the region spanning from the interaction point to the matching section quadrupoles. This aperture has been fixed to 150 mm for the inner triplet quadrupoles in 2012. In this paper, we give a first baseline of the interaction region. We discuss the main motivations that lead us to choose the technology, the combination of fields/gradients and lengths, the apertures, the quantity of superconductor, and the operational margin. Key elements are also the constraints given by the energy deposition in terms of heat load and radiation damage; we present the main features related to shielding and heat removal.
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