Review of linear optics measurement and correction for charged particle accelerators

R Tomás, M Aiba, A Franchi, U Iriso - Physical review accelerators and beams, 2017 - APS
Measurement and correction of charged particle beam optics have been a major concern
since the advent of strong focusing synchrotron accelerators. Traditionally, particle colliders …

Detection of faulty beam position monitors using unsupervised learning

E Fol, R Tomás, J Coello de Portugal… - … Review Accelerators and …, 2020 - APS
Optics measurements at the LHC are mainly based on turn-by-turn signal from hundreds of
beam position monitors (BPMs). Faulty BPMs produce erroneous signal causing unreliable …

Analytical beam position monitor method

A Wegscheider, A Langner, R Tomas, A Franchi - … Review Accelerators and …, 2017 - APS
Measurement and correction of focusing errors is of great importance for performance and
machine protection of circular accelerators. Furthermore LHC needs to provide equal …

[PDF][PDF] Optics corrections using machine learning in the LHC

E Fol, JMC de Portugal, G Franchetti… - Proceedings of the …, 2019 - accelconf.web.cern.ch
Optics corrections in the LHC are based on a response matrix between available correctors
and observables. Supervised learning has been applied to optics correction in the LHC …

[图书][B] Beam-based correction and optimization for accelerators

X Huang - 2020 - library.oapen.org
This book provides systematic coverage of the beam-based techniques that accelerator
physicists use to improve the performance of large particle accelerators, including …

Optics-measurement-based beam position monitor calibrations in the LHC insertion regions

AGT Valdivieso, R Tomás - Physical Review Accelerators and Beams, 2020 - APS
Accurate measurements of optics functions, β, α, D, are essential for proper operation of a
synchrotron both for machine protection and for performance. β functions can be obtained …

Improving the precision of linear optics measurements based on turn-by-turn beam position monitor data after a pulsed excitation in lepton storage rings

L Malina, J Coello de Portugal, T Persson… - … Review Accelerators and …, 2017 - APS
Beam optics control is of critical importance for machine performance and protection.
Nowadays, turn-by-turn (TbT) beam position monitor (BPM) data are increasingly exploited …

JACoW: Momentum Compaction Factor Measurements in the Large Hadron Collider

J Keintzel, R Tomás García, L Malina - JACoW IPAC, 2021 - cds.cern.ch
Abstract The Large Hadron Collider (LHC) at CERN and its planned luminosity upgrade, the
High Luminosity LHC (HL-LHC) demand well-controlled on-and off-momentum optics …

Analysis of beam position monitor requirements with bayesian gaussian regression

Y Li, Y Hao, W Cheng, R Rainer - arXiv preprint arXiv:1904.05683, 2019 - arxiv.org
With a Bayesian Gaussian regression approach, a systematic method for analyzing a
storage ring's beam position monitor (BPM) system requirements has been developed. The …

[PDF][PDF] FILO: A new application to correct optics in the ESRF-EBS storage ring

SM Liuzzo, N Carmignani, LR Carver… - Proceedings of the 13th …, 2022 - jacow.org
A new optics correction application (Fit and Improvement of Linear Optics, FILO) was
designed and set in place for the ESRF-EBS storage ring. The widely used software LOCO …