First operational dodecapole correction in the LHC
Amplitude detuning measurements in the LHC have shown that a significant amount of
detuning is generated via feed-down from high-order field errors in the magnets of the …
detuning is generated via feed-down from high-order field errors in the magnets of the …
New approach to LHC optics commissioning for the nonlinear era
EH Maclean, R Tomás, FS Carlier, MS Camillocci… - … Review Accelerators and …, 2019 - APS
In 2017, optics commissioning strategy for low-β* operation of the CERN Large Hadron
Collider (LHC) underwent a major revision. This was prompted by a need to extend the …
Collider (LHC) underwent a major revision. This was prompted by a need to extend the …
Detailed review of the LHC optics commissioning for the nonlinear era
EH Maclean, A Wegscheider, PK Skowronski, L Malina… - 2019 - cds.cern.ch
In 2017, optics commissioning strategy for low-β∗ operation of the CERN Large Hadron
Collider (LHC) underwent a major revision. This was prompted by a need to extend the …
Collider (LHC) underwent a major revision. This was prompted by a need to extend the …
[PDF][PDF] Local Interaction Region Coupling Correction for the LHC
F Soubelet - 2023 - inspirehep.net
In this document a distinction is made between glossary items and acronyms, and locally
relevant terms and concepts. The former will appear in blue and are clickable links bringing …
relevant terms and concepts. The former will appear in blue and are clickable links bringing …
Beam Optics Design, Measurement and Correction Strategies for Circular Colliders at the Energy and Luminosity Frontier
J Keintzel - 2022 - cds.cern.ch
The work presented in this thesis is driven by the motivation of improving the understanding
the beam optics of existing circular colliders at the energy and luminosity frontier and aims to …
the beam optics of existing circular colliders at the energy and luminosity frontier and aims to …
[PDF][PDF] Commissioning and initial performance of the LHC beam-based feedback systems
RJ Steinhagen, A Boccardi, A Butterworth, EC Giraldo… - energy [GeV], 2010 - epaper.kek.jp
The LHC deploys a comprehensive suite of beam-based feedbacks for safe and reliable
machine operation. This contribution summarises the commissioning and early results of the …
machine operation. This contribution summarises the commissioning and early results of the …
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 …
Performance and LHC beam stability issue related to Q/Q'diagnostics and feedback systems
RJ Steinhagen - 2010 - cds.cern.ch
The baseline tune (Q) and chromaticity (Q') diagnostics and associated feedback systems
played a crucial role during the LHC commissioning, in establishing circulating beam, the …
played a crucial role during the LHC commissioning, in establishing circulating beam, the …
BBQ and Doughnut Beams: A Tasty Recipe for Measuring Amplitude Dependence of the Closest Tune Approach
Beam-based observations and theoretical studies have demonstrated the existence of a
significant amplitude dependence of the closest tune approach (ADECTA) in the LHC. This …
significant amplitude dependence of the closest tune approach (ADECTA) in the LHC. This …
LHC Beam Stability and Performance of the Q/Q'Diagnostic Instrumentation
M Gasior, RJ Steinhagen, A Boccardi, S Jackson… - 2010 - cds.cern.ch
The BBQ tune (Q) and chromaticity (Q') diagnostic systems played a crucial role during the
LHC commissioning while establishing circulating beam and first ramps. Early on, they …
LHC commissioning while establishing circulating beam and first ramps. Early on, they …