PPT Slide

Circumference: 6.3 km

Proton Beam: Injection Energy 40 GeV

Lumi-Energy 920 GeV

Electron Beam: Injection Energy 12 GeV

Lumi Energy 27.5 GeV

Magnetic field p-ring: 5.1 Tesla

at I=5500 A for 920 GeV

422 s.c. dipole magnets

224 s.c. main quads,

400 s.c. correction quads

200 s.c. correction dipoles

> 1000 n.c. electron magnets

HERA Parameter