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Main Parameters

Sources & accelerators Contents > Main Parameters
OPTICS
Structure : modified Chasman-Green (Double Bend)
Nominal energy (GeV)
 
E 2.75
Circumference (m)
 
C 354.097
 
Revolution period (ns) / frequency(MHz)
 
  1 181.40 / 0.84664

Nb of cells ; nb of superperiods
Nb x straight section length (m)
 

  16 ; 4
4 x 12 m +12 x 7 m + 8 x 3.8 m
Betatron tunes
 
νx ; νz 18.2 ; 10.3
Momentum compaction α1
α2
 
4.38 10-4
4.49 10-3
 
Energy dispersion
 
σE/E 1.016 10-3
Damping time (ms) Τs
Τx = Τz
 
3.27
6.56
Emittance (nm.rad)
 
εx 3.74
Radiation loss per turn* (keV)
 
  944 + 184 (IDs) + 22 (paras. modes)
Total power loss (500 mA)* (kW)
 
  575
Bunch length ** (ps)
 
σl 13.8

*Phase 2: Estimated value for 21 insertion devices

** Phase 2: Natural bunch length for a RF voltage of 4.0 MV Optimised value versus Touschek lifetime criterium, corresponding to an energy acceptance of 5.23%.

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