Detection of faulty beam position monitors using unsupervised learning
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 …
beam position monitors (BPMs). Faulty BPMs produce erroneous signal causing unreliable …
BPM electronics based on compensated diode detectors–results from development systems
M Gasior, RJ Steinhagen, J Olexa - Conf. Proc., 2012 - cds.cern.ch
High resolution beam position monitor (BPM) electronics based on diode peak detectors is
being developed for processing signals from button BPMs embedded into future LHC …
being developed for processing signals from button BPMs embedded into future LHC …
Luminosity control and beam orbit stability with beta star leveling at LHC and HL-LHC
AA Gorzawski - 2016 - infoscience.epfl.ch
This thesis describes the wide subject of the luminosity leveling and its requirements for the
LHC and the HL-LHC. We discuss the advantages and disadvantages of different leveling …
LHC and the HL-LHC. We discuss the advantages and disadvantages of different leveling …
First operational experience with the LHC Diode ORbit and OScillation (DOROS) system
M Gasior, G Baud, J Olexa, G Valentino - 2016 - um.edu.mt
The LHC started high-energy operation in 2015 with new tertiary collimators, equipped with
beam position monitors embedded in their jaws. The required resolution and stability of the …
beam position monitors embedded in their jaws. The required resolution and stability of the …
[PDF][PDF] LHC optics measurment and correction software progress and plans
Abstract LHC Optics Measurements and Corrections (OMC) require efficient on-line software
applications to acquire and analyze data and to compute the necessary corrections. During …
applications to acquire and analyze data and to compute the necessary corrections. During …
Local observable for linear lattice imperfections in circular accelerators
A Wegscheider, R Tomás - Physical Review Accelerators and Beams, 2020 - APS
Finding a truly local observable for perturbations of the linear beam dynamics is a nontrivial
task, contrary to the nonlinear regime, where local resonance driving terms already exist …
task, contrary to the nonlinear regime, where local resonance driving terms already exist …
Fast automatic beam-based alignment of the LHC collimator jaws
G Valentino - 2014 - cds.cern.ch
Abstract The CERN Large Hadron Collider (LHC) in Geneva, Switzerland is the largest and
most powerful particle accelerator ever built. With a circumference of 27 km, it is designed to …
most powerful particle accelerator ever built. With a circumference of 27 km, it is designed to …
Application of machine learning in beam optics measurements and corrections
E Fol - 2022 - cds.cern.ch
The present research in high energy physics as well as in the nuclear physics requires the
use of more powerful and complex particle accelerators to provide high luminosity, high …
use of more powerful and complex particle accelerators to provide high luminosity, high …
Study on beam position measurement based on diode detection in HLS-II
JK Lan, CH Wang, TY Zhouf… - Journal of Physics …, 2024 - iopscience.iop.org
In order to improve the sensitivity and long-term stability of beam position measurement for
Hefei Light Source–II (HLS-II), it is necessary to improve the measurement method. The …
Hefei Light Source–II (HLS-II), it is necessary to improve the measurement method. The …
Design and Optimization of the Beam Orbit and Oscillation Measurement System for the Large Hadron Collider
J Olexa - 2018 - cds.cern.ch
Abstract The Large Hadron Collider (LHC) accommodates some 100 collimators whose role
is to perform beam cleaning and protect the machine from dangerous particle losses. The …
is to perform beam cleaning and protect the machine from dangerous particle losses. The …