Review of linear optics measurement and correction for charged particle accelerators
Measurement and correction of charged particle beam optics have been a major concern
since the advent of strong focusing synchrotron accelerators. Traditionally, particle colliders …
since the advent of strong focusing synchrotron accelerators. Traditionally, particle colliders …
LHC optics commissioning: A journey towards 1% optics control
T Persson, F Carlier, JC De Portugal… - … Review Accelerators and …, 2017 - APS
Since 2015 the LHC has been operating at 6.5 TeV. In 2016 the β-functions at the interaction
points of ATLAS and CMS were squeezed to 0.4 m. This is below the design β*= 0.55 m at 7 …
points of ATLAS and CMS were squeezed to 0.4 m. This is below the design β*= 0.55 m at 7 …
Improved control of the betatron coupling in the Large Hadron Collider
The control of the betatron coupling is of importance for safe beam operation in the LHC. In
this article we show recent advancements in methods and algorithms to measure and …
this article we show recent advancements in methods and algorithms to measure and …
Optics measurement algorithms and error analysis for the proton energy frontier
A Langner, R Tomás - Physical Review Special Topics-Accelerators and …, 2015 - APS
Optics measurement algorithms have been improved in preparation for the commissioning
of the LHC at higher energy, ie, with an increased damage potential. Due to machine …
of the LHC at higher energy, ie, with an increased damage potential. Due to machine …
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 …
Transverse beam instabilities in the presence of linear coupling in the Large Hadron Collider
LR Carver, X Buffat, K Li, E Métral, M Schenk - Physical Review Accelerators …, 2018 - APS
In the past, transverse coherent instabilities have been observed at the Hadron-Electron
Ring Accelerator (HERA) proton ring that were instigated by the presence of linear coupling …
Ring Accelerator (HERA) proton ring that were instigated by the presence of linear coupling …
Measurement of nonlinear observables in the Large Hadron Collider using kicked beams
The nonlinear dynamics of a circular accelerator such as the Large Hadron Collider (LHC)
may significantly impact its performance. As the LHC progresses to more challenging …
may significantly impact its performance. As the LHC progresses to more challenging …
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 …
Analysis of adiabatic trapping phenomena for quasi-integrable area-preserving maps in the presence of time-dependent exciters
A Bazzani, F Capoani, M Giovannozzi - Physical Review E, 2022 - APS
In this paper, results concerning the phenomenon of adiabatic trapping into resonance for a
class of quasi-integrable maps and Hamiltonians with a time-dependent exciter are …
class of quasi-integrable maps and Hamiltonians with a time-dependent exciter are …