1. Feasibility of Recuperation of Magnets in Decommissioned Storage Rings

2. RHIC SC Dipoles (9.45 m, bent w/ 4.85 cm sagitta) d d0 L0 L  
Magnetic length m
9.45
Physical length
9.7
Magnetic rigidity
T m
97.5 – 839.5
Magnetic field T
0.4 – 3.458
Bending radius
243
Bending angle
mrad (deg)
38.9 (2.23)
Mechanical sagitta mm
48.5
Bore 40
Ramp rate
T/s
0.042
Temperature K
4.6
design orbit
(0=243 m)
0
0 d L0 L
d0
(9.45 m, bent w/ 4.85 cm sagitta)
new orbit  
Dipoles
RHIC
MEIC
Bending radius m
243
>163
Bending angle
mrad (deg)
38.9 (2.228)
< 58 (3.32).
Mechanical sagitta mm
48.5
~ 68.5
maximum change 20
Max beam size ~1
Max energy
GeV
325
169
Number of dipoles
162
144
Arc radius
~380
217
Total Arc length
2388
~1820