Kavli Affiliate: Ke Wang
| First 5 Authors: Ke Wang, Li-Na Sheng, Geng Wang, Wei-Ping Chai, You-Jin Yuan
| Summary:
The construction of the High Intensity heavy ion Accelerator Facility (HIAF)
has been completed, with current efforts focused on subsystem commissioning.
Beam commissioning is scheduled for autumn 2025, marking a critical milestone
in the HIAF project. This paper presents high-precision optics calculations for
the Booster Ring (BRing) of HIAF, a key component for achieving stable
heavy-ion beam acceleration. Leveraging high-precision magnetic field data,
each magnet is divided into hundreds of slices, thus establishing a
high-precision sliced optics model for BRing. Detailed calculations of BRing’s
optics are presented in this work. Critical parameters including tunes and
betatron functions of the lattice based on the measured magnetic fields and
those of the ideal lattice have been compared. The results highlight the impact
of realistic magnetic field on beam dynamics and provide essential insights for
accelerator tuning and optimization. These findings serve as a fundamental
reference for beam commissioning and long-term operation, ensuring beam
stability and performance reproducibility in HIAF.
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