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Observation of fixed lines induced by a nonlinear resonance in the CERN Super Proton Synchrotron

Physics

Observation of fixed lines induced by a nonlinear resonance in the CERN Super Proton Synchrotron

H. Bartosik, G. Franchetti, et al.

This research by H. Bartosik, G. Franchetti, and F. Schmidt presents groundbreaking experimental confirmation of theoretical predictions in particle dynamics. By observing fixed lines in the CERN Super Proton Synchrotron, they reveal how resonant particles can achieve high-intensity beams, crucial for future accelerators.

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Playback language: English
Abstract
This paper presents experimental confirmation of the theoretical prediction of dynamics for a single two-dimensional coupled resonance by observing fixed lines in the CERN Super Proton Synchrotron. Measurements of particle beam positions allow construction of the Poincaré surface of section, revealing that resonant particles lie on a four-dimensional curve (the fixed line). This has implications for mitigating beam degradation and achieving high-intensity beams in current and future accelerators.
Publisher
Nature Physics
Published On
Jun 01, 2024
Authors
H. Bartosik, G. Franchetti, F. Schmidt
Tags
particle dynamics
CERN
Super Proton Synchrotron
resonance
Poincaré surface
beam degradation
high-intensity beams

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