A novel approach using nonlinear surfaces for dynamic aperture optimization in MBA synchrotron light sources

EA Sanchez, A Flores, J Hernandez-Cobos… - Scientific Reports, 2023 - nature.com
MBA cell-based synchrotron light sources have enabled an unprecedented increase in
beam coherence and brightness, greatly benefiting the scientific disciplines that rely on X …

Minimizing the fluctuation of resonance driving terms in dynamic aperture optimization

B Wei, Z Bai, J Tan, L Wang, G Feng - Physical Review Accelerators and …, 2023 - APS
Dynamic aperture (DA) is an important nonlinear property of a storage ring lattice, which has
a dominant effect on beam injection efficiency and beam lifetime. Generally, minimizing both …

Electron beam emittance at operational intensity in fourth-generation synchrotron light sources

V Smaluk, T Shaftan - arXiv preprint arXiv:2402.05204, 2024 - arxiv.org
For synchrotron light sources, the brightness of user X-ray beams is primarily determined by
the electron beam emittance and energy spread at operational intensity. A common feature …

Increasing beam stability zone in synchrotron light sources using polynomial quasi-invariants

EA Sánchez, A Flores, J Hernández-Cobos… - Scientific Reports, 2023 - nature.com
The objective of this article is to propose a scheme to increase the stability zone of a
charged particles beam in synchrotrons using a suitable objective function that, when …

Approximate entropy analysis for nonlinear beam dynamics

Y Li, R Rainer - Physical Review Accelerators and Beams, 2024 - APS
In this paper, we applied an approximate entropy (ApEn) analysis to nonlinear beam
dynamics. Due to the presence of strong nonlinear magnets, the degree of chaos in beam …

[PDF][PDF] Analyzing and optimizing dynamic aperture based on minimizing the fluctuation of resonance driving terms

B Wei, Z Bai, G Feng, J Tan - inspirehep.net
Minimizing resonance driving terms (RDTs) is a traditional approach to enlarge the dynamic
aperture (DA) of a storage ring. However, small RDTs can not guarantee a large DA. In this …

[PDF][PDF] CHROMATIC INDEX TO FIND A WORKING POINT FOR A 4TH GENERATION SYNCHROTRON LIGHT SOURCE

E Sánchez, A Flores-Tlalpa, J Hernández-Cobos… - inspirehep.net
Optimizing the electron dynamics generated by MBA cells involves adjusting a large number
of parameters while meeting complex constraints. These optimizations are typically …

[PDF][PDF] STUDY OF THE COMBINED EFFECT OF INTRABEAM SCATTERING AND IMPEDANCE IN A LOW-EMITTANCE RING

A Khan, V Smaluk, G Bassi - inspirehep.net
Intra-beam scattering (IBS) is one of the prominent effects for low-emittance rings resulting in
a significant growth of the emittance, energy spread, and bunch length. This effect is partially …