• High Power Laser and Particle Beams
  • Vol. 34, Issue 10, 104003 (2022)
Zhenghe Bai, Gangwen Liu, Tianlong He, Weiwei Li, Penghui Yang, Weimin Li, Shancai Zhang, Lin Wang*, and Guangyao Feng*
Author Affiliations
  • National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China
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    DOI: 10.11884/HPLPB202234.220137 Cite this Article
    Zhenghe Bai, Gangwen Liu, Tianlong He, Weiwei Li, Penghui Yang, Weimin Li, Shancai Zhang, Lin Wang, Guangyao Feng. Preliminary physics design of the Hefei Advanced Light Facility storage ring[J]. High Power Laser and Particle Beams, 2022, 34(10): 104003 Copy Citation Text show less
    Lattice of the HALF storage ring
    Fig. 1. Lattice of the HALF storage ring
    Dynamic aperture of the HALF storage ring
    Fig. 2. Dynamic aperture of the HALF storage ring
    Tune shifts with horizontal amplitude and momentum
    Fig. 3. Tune shifts with horizontal amplitude and momentum
    Schematic of the layout of the HALF injection system
    Fig. 4. Schematic of the layout of the HALF injection system
    Phase space tracking of injected bunch with the multipole kicker injection
    Fig. 5. Phase space tracking of injected bunch with the multipole kicker injection
    parametervalue
    energy2.2 GeV
    circumference479.86 m
    number of cells20
    natural emittance86.3 pm·rad
    transverse tunes (H/V)48.15/17.15
    natural chromaticities (H/V)−77/−57
    momentum compaction factor9.0×10−5
    damping partition numbers (H/V/L)1.39/1.00/1.61
    natural damping times (H/V/L)27.2/37.7/23.4 ms
    energy loss per turn186.7 keV
    natural energy spread0.62×10−3
    total absolute bending angle442.5°
    number of straight sections20 (long) + 20 (short)
    harmonic number (500 MHz RF cavity)800
    Table 1. Main parameters of the HALF storage ring
    bunch length/mmcoupling ratio/%horizontal emittance/(pm·rad)energy spread
    2102409.79×10−4
    21001039.07×10−4
    8101538.74×10−4
    8100688.26×10−4
    Table 2. Beam horizontal emittance and energy spread with intra-beam scattering
    Zhenghe Bai, Gangwen Liu, Tianlong He, Weiwei Li, Penghui Yang, Weimin Li, Shancai Zhang, Lin Wang, Guangyao Feng. Preliminary physics design of the Hefei Advanced Light Facility storage ring[J]. High Power Laser and Particle Beams, 2022, 34(10): 104003
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