Journal Article

PUBDB-2025-01517

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Resonant island trapping in a hybrid multibend achromat synchrotron light source

Cortés García, E. C.DESY* ; Carmignani, N. ; Ewald, F. ; Antipov, S. A.DESY* ; Scheidt, K. ; White, S. ; Agapov, I. V.DESY*

2026
American Physical Society College Park, MD

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Please use a persistent id in citations: doi:10.1103/9883-ht1b  doi:10.3204/PUBDB-2025-01517

Report No.: arXiv:2505.12469

Abstract: We report the first direct experimental observations of resonance island formation in a hybrid multibend achromat (HMBA) storage ring lattice. Using a low-emittance electron beam, we achieved high-precision measurements that resolve the onset, evolution, and transient dynamics of particle capture near resonance islands. These measurements are compared with simulation predictions, enabling a direct validation of HMBA lattice models. The experimental results also provide new insight into the capture and trapping mechanisms governing the island population, as well as beam lifetime in resonance islands. Together, these findings establish a detailed experimental basis for understanding nonlinear dynamics in next-generation HMBA-based synchrotron light sources.

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Contributing Institute(s):

1. Beschleunigerphysik (MPY)

Research Program(s):

1. 621 - Accelerator Research and Development (POF4-621) (POF4-621)

Experiment(s):

1. (PETRA IV)

Appears in the scientific report 2026

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Database coverage:
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Linked articles:

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Preprint Cortés García, E. C.DESY* ; Carmignani, N. ; Ewald, F. ; Antipov, S. A.DESY* ; Scheidt, K. ; White, S. ; Agapov, I. V.DESY*
Resonant island trapping in a hybrid multibend achromat synchrotron light source
[10.3204/PUBDB-2026-01123]     Files  Fulltext by arXiv.org BibTeX | EndNote: XML, Text | RIS

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