Considerations of a round beam operation at PETRA IV

Round beam operation is considered for the planned ultra-low emittance storage ring PETRA IV at DESY, Hamburg. With a natural emittance of 20 pm rad, we evaluate and discuss the advantages and challenges of sharing the emittance between transversal planes. The effect on single and coupled bunch instability thresholds, intra-beam scattering rates and Touschek lifetime of this operation mode are presented.

Publication Details

Journal
JACOW
Published
2025-11-05
DOI
https://doi.org/10.18429/jacow-ipac2025-mops045
Primary Topic
Particle Accelerators and Free-Electron Lasers
Type
article
Field-Weighted Citation Impact
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article

Considerations of a round beam operation at PETRA IV

JACOW
Particle Accelerators and Free-Electron Lasers
article

Considerations of a round beam operation at PETRA IV

article en

Abstract

Round beam operation is considered for the planned ultra-low emittance storage ring PETRA IV at DESY, Hamburg. With a natural emittance of 20 pm rad, we evaluate and discuss the advantages and challenges of sharing the emittance between transversal planes. The effect on single and coupled bunch instability thresholds, intra-beam scattering rates and Touschek lifetime of this operation mode are presented.

JACOW
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Particle Accelerators and Free-Electron Lasers
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Considerations of a round beam operation at PETRA IV · JACOW (2025) | TGRS Research Map | TGRS