Phys. Rev. ST Accel. Beams 9, 101001 (2006) [7 pages]Mitigating radiation loads in Nb3Sn quadrupoles for the CERN Large Hadron Collider upgrades
Challenging beam-induced energy deposition issues are addressed for the next generation of the LHC high-luminosity interaction regions based on Nb3Sn quadrupoles. Detailed mars15 Monte Carlo energy deposition calculations are performed for various coil diameters, thicknesses, and materials of the inner absorber at a field gradient of 200 T/m. It is shown that using the inner absorber made of tungsten-based materials can make the final focus superconducting quadrupoles compatible with a luminosity of 1035 cm-2 s-1. This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. © 2006 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevSTAB.9.101001
DOI:
10.1103/PhysRevSTAB.9.101001
PACS:
29.27.−a, 41.85.Lc, 84.71.Ba
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