The storage ring is to store the electron beam for long period of time, and synchrotron radiation is emitted when electrons are curved in the magnetic field of the storage ring.
Major parameters
| Beam energy | 1.0 GeV To 1.2 GeV | |
| Circumference | 81.3 m | |
| Stored beam current (nominal) | 100.0 mA | |
| Lattice | DBA (Double Bend Achromat objective) | |
| Superperiod | 4 | |
| Length of straight section | 5.2 m × 4 | |
| Max RF voltage, V RF | 120 kV | |
| RF frequency, f RF | 118.000 MHz | |
| Harmonic number | 32 | |
| Energy spread | ||
| Energy loss per turn | 65.94 keV | |
| Synchrotron oscillation frequency, f s | 13.5 kHz | |
| Betatron tune, v x / v y | 4.75/2.82 |
Magnet parameters Bending magnet
| Number of bending magnets | = | 8 |
| Bending radius ( ρ ) | = | 2.78 m |
| Deflection angle ( ß ) | = | 45.0 ° ( 0.785398 rad ) |
| Path Length (l) | = | 2.1834 m |
| Magnetic Field (B) | = | 1.2 T |
| Magnet type : C-type |
Quadrupole magnet
| Number of quadrupole families | = | 4 |
QF1
| The number of QF1 magnets | = | 8 |
| Mechanical core length | = | 0.290 m |
| Effective length | = | 0.323 m |
| Maximum current | = | 500 A |
| B/I slope | = | 0.025738 T/m. A |
QD2
| The number of QD2 magnets | = | 8 |
| Mechanical core length | = | 0.290 m |
| Effective length | = | 0.323 m |
| Maximum current | = | 500 A |
| B/I slope | = | 0.025745 T/m. A |
QF3
| The number of QF3 magnets | = | 8 |
| Mechanical core length | = | 0.290 m |
| Effective length | = | 0.323 m |
| Maximum current | = | 400 A |
| B/I slope | = | 0.026045 T/m. A |
QD4
| The number of QD4 magnets | = | 8 |
| Mechanical core length | = | 0.290 m |
| Effective length | = | 0.323 m |
| Maximum current | = | 400 A |
| B/I slope | = | 0.026546 T/m. A |
Sextupole magnet
| Number of sextupole families | = | 2 |
SF
| The number of SF magnets | = | 8 |
| Mechanical core length | = | 0.15 m |
| Maximum current | = | 13.0 A |
| B/I slope | = | 5.4733 T/m 2. A |
SD
| The number of SD magnets | = | 8 |
| Mechanical core length | = | 0.20 m |
| Maximum current | = | 13.0 A |
| B/I slope | = | 5.4885 T/m 2. A |
Steering magnet
Horizontal steering magnet
| Number of horizontal steering magnet | = | 16 |
| Mechanical core length | = | 0.1 m |
| Effective length | = | 0.16 m |
| Maximum current | = | 25 A |
| Pole gap | = | 0.16 m |
| Magnetic field | = | 0.080 T |
| Magnet type | = | H Type Solid |
Vertical steering magnet
| Number of Vertical steering magnet | = | 12 |
| Mechanical core length | = | 0.1 m |
| Effective length | = | 0.23 m |
| Maximum current | = | 25 A |
| Pole gap | = | 0.161 m |
| Magnetic field | = | 0.038 T |
| Magnet type | = | H Type Solid |
Injection septum magnet (S-SMI)
| Bending radius ( ρ ) | = | 2.78 m |
| Deflection angle ( ß ) | = | 15.0 ° ( 0.2617994 rad ) |
| Path Length (l) | = | 0.8725774 m |
| Magnetic Field (B) | = | 1.199 T |
| Maximum current | = | 5000 – 8050 A |
| Pulse width | = | 250 µs |
Bump magnet(S-BMP1,S-BMP2 and S-BMP3)
| Mechanical core length | = | 0.295 m |
| Maximum current | = | 700 – 2915 A |
