Speaker
Felix Carlier
(Ecole Polytechnique Fédérale de Lausanne)
Description
The future upgrade to the High-Luminosity Large Hadron Collider (HL-LHC) will impose tight tolerances on IP optics measurements. k-modulation is currently the preferred method in the LHC for IP optics measurements and will play a critical role in the HL-LHC. As such, Run 3 of the LHC provides an ideal test-bench for addressing challenges in k-modulation. In the first commissioning year of Run 3, this method was used to measure and validate optics with beta ranging from 30cm to 24m. However unsatisfactory reproducibility was observed for low beta measurements. This paper presents the k-modulation results for the start of Run 3 with in depth analyses and it highlights the sensitivity of this method in view of the challenging HL-LHC runs.
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Primary author
Felix Carlier
(Ecole Polytechnique Fédérale de Lausanne)
Co-authors
Andreas Wegscheider
(European Organization for Nuclear Research)
Andressa Costa Ojeda
(European Organization for Nuclear Research)
Elena Fol
(European Organization for Nuclear Research)
Ewen Maclean
(European Organization for Nuclear Research)
Felix Soubelet
(European Organization for Nuclear Research)
Jacqueline Keintzel
(European Organization for Nuclear Research)
Joschua Dilly
(European Organization for Nuclear Research)
Léon van Riesen-Haupt
(European Organization for Nuclear Research)
Mael Le Garrec
(European Organization for Nuclear Research)
Michael Hofer
(European Organization for Nuclear Research)
Rogelio Tomas
(European Organization for Nuclear Research)
Thomas Levens
(European Organization for Nuclear Research)
Tobias Persson
(European Organization for Nuclear Research)
Vittorio Ferrentino
(European Organization for Nuclear Research)
