Excitation signal optimization for minimizing fluctuations in knock out slow extraction

P Niedermayer, R Singh - Scientific reports, 2024 - nature.com
The synchrotron is a circular particle accelerator used for high energy physics experiments,
material and life science, as well as hadron cancer therapy. After acceleration to the desired …

JACOW: Recent Developments with the New Tools for Collimation Simulations in Xsuite

F Van der Veken, F Cerutti, N Triantafyllou, LS Esposito… - JACoW HB, 2024 - cds.cern.ch
Simulations of single-particle tracking involving collimation systems need dedicated tools to
perform the different tasks needed. These include the accurate description of particle-matter …

JACOW: Emittance Growth From Electron Clouds Forming in the LHC Arc Quadrupoles

K Paraschou, T Pieloni, L Deniau, G Rumolo… - JACoW HB, 2024 - cds.cern.ch
Abstract Operation of the Large Hadron Collider with proton bunches spaced 25 ns apart
favours the formation of electron clouds. In fact, a slow emittance growth is observed in …

Theory of bunched beam transverse Schottky signals with stationary rf system and high-order chromaticity

K Lasocha, C Lannoy, N Mounet, D Alves - Physical Review Accelerators and …, 2024 - APS
The observation of transverse Schottky spectra provides insight into intrabunch particle
dynamics and serves in numerous facilities to derive important beam and machine …

JACOW: The status of the FCC-ee optics tuning

L van Riesen-Haupt, Y Wu, A Faus-Golfe, Y Ohnishi… - JACoW IPAC, 2024 - cds.cern.ch
With a circumference of approximately 91 km, the Future Circular electron-positron Collider,
FCC-ee, aims for unprecedented luminosities at beam energies from 45.6 to 182.5 GeV. A …

JACOW: Mitigating Collimation Impedance and Improving Halo Cleaning with New Optics and Settings Strategy of the HL-LHC Betatron Collimation System

B Lindström, A Wegscheider, S Redaelli… - JACoW HB, 2024 - cds.cern.ch
Abstract With High Luminosity Large Hadron Collider (HL-LHC) beam intensities, there are
concerns that the beam losses in the dispersion suppressors around the betatron cleaning …

Excitation of nonlinear second order betatron sidebands for knock-out slow extraction at the third-integer resonance

P Niedermayer, R Singh - Physical Review Accelerators and Beams, 2024 - APS
Radio frequency knock out resonant slow extraction is a standard method for extracting
stored particle beams from synchrotrons by transverse excitation. Classically, the beam is …

JACOW: Xobjects and Xdeps: Low-Level Libraries Empowering Beam Dynamics Simulations

S Łopaciuk, R De Maria, G Iadarola - JACoW HB, 2024 - cds.cern.ch
Abstract Xobjects and Xdeps are Python libraries included in the Xsuite beam dynamics
simulation software package. These libraries are crucial to achieving two of the main goals …

Interpretation of the horizontal beam response near the third integer resonance

EC García, P Niedermayer, R Singh, R Taylor… - arXiv preprint arXiv …, 2024 - arxiv.org
The beam response to an external periodic excitation delivers relevant information about the
optics, tune distribution and stability of a circulating beam in a storage ring. In this …

Efficient algorithms for dynamic aperture and momentum acceptance calculation in synchrotron light sources

B Riemann, M Aiba, J Kallestrup, A Streun - Physical Review Accelerators and …, 2024 - APS
New algorithms useful for the calculation of dynamic aperture and momentum acceptance in
circular accelerators, particularly synchrotron light sources, are developed and presented …