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PEP-X Project Specifications
| Parameters |
PEP-X Operational Value |
| Beam Energy |
4.5 GeV |
| Injection Energy |
4.5 GeV |
| Current |
1.5 A |
| Fill Pattern |
3300 bunches, 192-bunch gap
Other patterns available |
| Circumference |
2199.32 m |
| Radio Frequency |
476.00 MHz |
| Bunch Spacing |
2.1 ns |
| Horizontal Emittance |
0.094 / 0.14 nm-rad
(@ 0A/ 1.5 A (εy = 8 pm-rad)) |
| Vertical Emittance |
8 pm-rad (0.8% emittance coupling) |
| Critical Energy |
6.6 keV |
| Energy Spread |
0.11% |
| Lifetime |
110/42 min @ 1.5 A, ε = 70/8 pm-rad |
| e- size (x, v) |
36 / 8 μm rms @ ID center, I = 1.5 A (x / y) |
| e- divergence (x, v) |
4 / 1 μrad rms @ ID center, I = 1.5 A (x / y) |
| Bunch Length |
2.5 mm rms (8ps rms)
5 mm with bunch lengthening cavity |
| Straight sections for IDs |
30 x 4.3 m straight in arcs
2 x 120 m long straight |
* Compare PEP-X and SPEAR3: View Chart (PDF)
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