Design Considerations of a High Intensity Booster for PETRA IV

Chao, Hung-Chun; Agapov, Ilya; Antipov, S. V.

doi:10.18429/jacow-ipac2021-tupab023

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Injection At Petra IV1

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2024

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“…The operation of PETRA IV is anticipated to follow a conventional accumulation scheme, where particle losses are topped up by the off-axis injection of fresh bunches. The booster synchrotron DESY IV [4] will be able to deliver bunches with up to 1 nC per bunch to PETRA IV. The emittance of the injected beam is a crucial factor to take into account for the off-axis injection scheme because it could negatively impact injection efficiency when combined with PETRA IV's aperture constraints (such as its dynamical aperture and collimators).…”

Section: Injection At Petra IVmentioning

confidence: 99%

Dynamics of off-axis injection near the coupling resonance at PETRA IV

Cortés García,

Agapov

2024

J. Phys.: Conf. Ser.

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The PETRA IV project will have a storage ring with an ultra-low natural emittance of 20 pm rad. For an off-axis injection scheme with working points at the difference resonance, it is critical to ensure that the vertical excursion caused by transversal coupling does not affect injection efficiency. In this contribution, we present simulation results of an off-axis injection near the coupling resonance, which provides equal equilibrium emittances. The advantages and disadvantages of such a scheme are discussed.

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Section: Injection At Petra IVmentioning

confidence: 99%