Kavli Affiliate: Ke Wang
| First 5 Authors: Ke Wang, Ke Wang, , ,
| Summary:
All equipment for the High Intensity heavy ion Accelerator Facility (HIAF)
has been installed and beam commissioning is currently underway. This paper
presents a further study on the high-precision optics, namely slice optics, of
the Booster Ring (BRing) at HIAF based on measured magnetic fields, focusing on
two aspects: closed-orbit distortion and optical parameter variations caused by
errors, and dynamic aperture. A detailed study is conducted on the closed-orbit
distortion and changes in optical parameters caused by magnet alignment errors
and dipole magnet field errors. Meanwhile, A detailed study is also conducted
on the dynamic aperture of BRing. The results show that the sliced optics and
the original optics are comparable in terms of the impact of these errors on
the closed-orbit and optical parameters. Without chromaticity correction, the
dynamic aperture of the sliced optics is superior to that of the original
optics; after chromaticity correction, the sliced optics is also comparable to
the original optics. This study provides valuable insights for accelerator
tuning and optimization.
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