Speaker
Carlotta Accettura
(European Organization for Nuclear Research)
Description
In view of the High-Luminosity (HL-LHC) upgrade of the LHC collimation system, different materials were investigated to determine how the jaws of the new collimators could be manufactured to meet the demanding requirements of HL-LHC, such as thermomechanical robustness and stability, RF impedance, UHV, etc. During the Long-Shutdown 2 (LS2), five primary and 10 secondary low-impedance collimators were already produced using novel material. For LS3, in addition to more secondary collimators, the production and installation of other types of collimators, including tertiaries and physics debris units, is planned. This paper details the final material choices and rationale for each collimator family.
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Primary author
Carlotta Accettura
(European Organization for Nuclear Research)
Co-authors
Adnan Kurtulus
(European Organization for Nuclear Research)
Antonio Perillo Marcone
(European Organization for Nuclear Research)
Federico Carra
(European Organization for Nuclear Research)
Francois-Xavier Nuiry
(European Organization for Nuclear Research)
Nicolas Mounet
(European Organization for Nuclear Research)
Nicolo Biancacci
(European Organization for Nuclear Research)
Roderik Bruce
(European Organization for Nuclear Research)
Stefano Redaelli
(European Organization for Nuclear Research)
