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 …

A new scenario for the first operational run of the High Luminoisty LHC (HL–LHC) era (Run
4) has recently been developed to accommodate a period of performance ramp-up to …

Run 4 will be the first operational run of the LHC with full deployment of the upgrades from
the High Luminosity (HL-LHC) project planned for 2026-2028 (Long Shutdown 3). The …

Nonlinear magnetic errors in low-β insertions can have a significant impact on the beam-
dynamics of a collider, such as the CERN Large Hadron Collider (LHC) and its luminosity …

A new scenario for the first operational run of the HL-LHC era (Run 4) has been recently
developed to accommodate a period of performance ramp-up to achieve an annual …

The optics in the insertion regions of the LHC and its upgrade project the High Luminosity
LHC are very sensitive to local magnetic errors, due to the extremely high beta-functions. In …

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 …

The measurement and control of linear transverse coupling is important for the operation of
an accelerator. The calculation of the linear transverse coupling resonance driving terms …

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 …

In a circular collider, precise control of the linear optics in the vicinity of the interaction points
plays a crucial role in ensuring optimal operational performance and satisfying the machine …