17–22 May 2026
C.I.D
Europe/Zurich timezone

Recent progress in impedance mitigation for HL-LHC beam instrumentation

WEP5098
20 May 2026, 16:00
2h
C.I.D

C.I.D

Deauville, France
Poster Presentation MC5.D04: Beam Coupling Impedance Theory, Simulations, Measurements, Code Development Poster session

Speaker

Michela Neroni (European Organization for Nuclear Research)

Description

In the High-Luminosity LHC (HL-LHC) era, increased beam intensities and brightness impose stringent requirements on the beam-coupling impedance of accelerator components. This contribution summarizes recent studies on impedance mitigation for several new devices to be installed in the framework of the HL-LHC upgrades, illustrating design optimizations based on results from electromagnetic simulation solvers. Examples include the optimized design for crab cavity pick-ups and beam gas ionization profile monitors. These developments contribute to a consistent impedance mitigation strategy that reduces beam-induced heating at high intensities, maintaining device functionality and beam stability in the HL-LHC era.

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Author

Michela Neroni (European Organization for Nuclear Research)

Co-authors

William Andreazza (European Organization for Nuclear Research) Rama Calaga (European Organization for Nuclear Research) Wolfgang Höfle (European Organization for Nuclear Research) Ivan Karpov (European Organization for Nuclear Research) Ghanshyambhai Khatri (European Organization for Nuclear Research) Michal Krupa (European Organization for Nuclear Research) Lauren Margerison (European Organization for Nuclear Research) Mark McLean (European Organization for Nuclear Research) Chiara Pasquino (European Organization for Nuclear Research) Dr Hermann Pommerenke (European Organization for Nuclear Research) James Storey (European Organization for Nuclear Research) Christine Vollinger (European Organization for Nuclear Research)

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