CERN Accelerating science

Article
Title Cryogenic design of the crab cavity modules for the High Luminosity LHC at CERN
Author(s) Brodzinski, K (CERN) ; Capatina, O (CERN) ; Capelli, T (CERN) ; Claudet, S (CERN) ; Delprat, L (CERN)
Publication 2022
Number of pages 7
In: IOP Conf. Ser. Mater. Sci. Eng. 1240 (2022) 012146
In: Cryogenic Engineering Conference and International Cryogenic Materials Conference, Online, 19 - 23 Jul 2021, pp.012146
DOI 10.1088/1757-899X/1240/1/012146
Subject category Accelerators and Storage Rings
Abstract The High Luminosity Large Hadron Collider (HL-LHC) upgrade is planned to take place during next long shut down of the LHC, starting in 2025. During this period the matching sections of both ATLAS and CMS experiments will be upgraded to allow for increasing collisions rate and more efficient luminosity production. One of the new element which will be introduced to the layout is the beam deflecting RF system so-called as crab cavities. Eight crab cavities modules, operating in superfluid helium, will be installed in this new machine layout. This paper will focus on the cryogenic design solutions adopted and integrated in the crab cavities cryogenic modules. The concept of the cryogenic modules was created in 2012 and evolved over the years with introduced optimizations of the cryogenic local cooling loops and related safety system. Design aspects of the chosen solutions for the first prototype and LHC compatible solution will be discussed. The thermal behavior results from operation on SPS proton beam from the first prototype module will be developed.
Copyright/License CC-BY-3.0

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 Record created 2022-11-09, last modified 2022-11-10


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