Commissioning of the cryogenics of the LHC long straight sections
A. Perin, J. Casas-Cubillos, S. Claudet (CERN), C. Darve (Fermilab),, G. Ferlin, F. Millet, C. Parente (CERN), R. Rabehl (Fermilab), M. Soubiran,, R. van Weelderen, U. Wagner (CERN)
TL;DR
This paper details the cryogenic commissioning process of the LHC's Long Straight Sections, highlighting the integration and initial operational results of various superconducting and cryogenic systems essential for particle beam control.
Contribution
It provides the first comprehensive account of the cryogenic commissioning of the LHC's LSS, including the setup, testing, and initial performance outcomes of key cryogenic devices.
Findings
Successful cryogenic commissioning of LSS systems
Operational stability of superconducting magnets and RF cavities
Initial performance metrics meet design specifications
Abstract
The LHC is made of eight circular arcs interspaced with eight Long Straight Sections (LSS). Most powering interfaces to the LHC are located in these sections where the particle beams are focused and shaped for collision, cleaning and acceleration. The LSSs are constituted of several unique cryogenic devices and systems like electrical feed-boxes, standalone superconducting magnets, superconducting links, RF cavities and final focusing superconducting magnets. This paper presents the cryogenic commissioning and the main results obtained during the first operation of the LHC Long Straight Sections.
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