HEPS储存环Lattice参数(高亮度模式) HEPS storage ring parameters (high brightness mode)

Parameters Value
Beam energyE0(GeV) 6
Beam currentI0(mA) 200
Circumference (m) 1360.4
Horizontal damping partition number Jx /Jy/Jz 1.90/1/1.10
Natural emittance (pm) 34.8
Working point (x/y) 115.152/104.291
Natural chromaticity (x/y) -209/-233
Corrected chromaticity (x/y) +5/+5
Number/length of high-beta sections (—/m) 24/6.086
Beta functions at the center of high-beta sections (x/y) (m) 8.18/5.0
Number/length of low-beta sections (—/m) 24/6.086
Beta functions at the center of low-beta sections (x/y) (m) 2.56/2.31
Momentum compaction 1.83×10^-5
Damping times (x/y/z) (ms) 10.8/20.6/18.7
Energy loss per turn, U0(MeV) 2.64
Energy spread 1.0×10^-3

Yi Jiao, et al, Modification and optimization of the storage ring lattice of the High Energy Photon Source,Radiat Detect Technol Methods4,415–424 (2020).

https://doi.org/10.1007/s41605-020-00189-7

HEPS典型发射件性能 (通量,亮度,相干通量)

Performance of typical sources (undulator, wiggler, bending magnet) in HEPS ( photon flux, brightness, coherent photon flux)

Undulator:


Wiggler:

Bending Magnet:


Baidu
map