Optics for Landau damping with minimized octupolar resonances in the LHC
R Tomás, F Carlier, F Chudoba, L Deniau… - Journal of …, 2024 - iopscience.iop.org
Abstract Operation of the Large Hadron Collider (LHC) requires strong octupolar magnetic
fields to suppress coherent beam instabilities. The amplitude detuning that is generated by …
fields to suppress coherent beam instabilities. The amplitude detuning that is generated by …
JACOW: LHC Run 3 optics corrections
The first year of Run 3 of the Large Hadron Collider (LHC) revealed significant changes in
both linear and nonlinear optics errors with respect to Run 2. Several iterations of optics …
both linear and nonlinear optics errors with respect to Run 2. Several iterations of optics …
Theory of bunched beam transverse Schottky signals with stationary rf system and high-order chromaticity
The observation of transverse Schottky spectra provides insight into intrabunch particle
dynamics and serves in numerous facilities to derive important beam and machine …
dynamics and serves in numerous facilities to derive important beam and machine …
JACOW: Measurement and modelling of decapole errors in the LHC from beam-based studies
M Le Garrec, K Paraschou, FS Carlier, V Ferrentino… - JACoW IPAC, 2023 - cds.cern.ch
Studies of third-order chromaticity in the LHC during its initial two runs have consistently
demonstrated a substantial discrepancy between the expected Q'''at injection and that …
demonstrated a substantial discrepancy between the expected Q'''at injection and that …
JACOW: Optics for Landau Damping with Minimized Octupolar Resonances in the LHC
J Wenninger, F Soubelet, F Carlier, T Nissinen… - JACoW HB, 2024 - cds.cern.ch
Abstract Operation of the Large Hadron Collider (LHC) requires strong octupolar magnetic
fields to suppress coherent beam instabilities. The amplitude detuning that is generated by …
fields to suppress coherent beam instabilities. The amplitude detuning that is generated by …
Corrections of high-order nonlinearities in the LHC and High-Luminosity LHC beam optics
J Dilly - 2024 - edoc.hu-berlin.de
The impact of high-order nonlinear magnetic field errors on the performance of the Large
Hadron Collider (LHC) and its planned High-Luminosity upgrade, the HL-LHC, has been …
Hadron Collider (LHC) and its planned High-Luminosity upgrade, the HL-LHC, has been …
JACOW: 60° phase advance optics measurements in the Large Hadron Collider at CERN
J Keintzel, THB Persson, M Le Garrec, J Wenninger… - JACoW IPAC, 2023 - cds.cern.ch
Abstract The Large Hadron Collider (LHC) arcs have been designed for a FODO optics with
roughly 90 betatron phase advance per arc cell, but not necessarily with exactly the same …
roughly 90 betatron phase advance per arc cell, but not necessarily with exactly the same …