1. HYBRID WARM-COLD SYNCHROTRON FOR THE MUON COLLIDER Al Garren July 28, 2011

2. 8 PERIOD RING Parameters FAST RAMPING MUON SYNCHROTRON LATTICE Injection/Extraction Momenta (GeV/c)375/750 Circumference (m)6288 Number of superperiods8 Superperiod length (m)786 Superconducting magnet field (T)7.995 Ramped magnetic field min (T)-1.8 Ramped magnetic field max (T)1.8 Quadrupole gradient min (T/m}18.5 Quadrupole gradient max (T/m}37 Cell length - normal and straight (m)65.5 Cell length - dispersion suppressor (m)49.125 Cell length - standard and straight (m) Superperiod structure: normal N, straight S, suppressor D D D S S S D D N N N N N N Equivalent number of normal dipoles554.667 Cell magnet structure, superconducting S, ramped R, quads F,D: F SRRS SRRS D D SRRS SRRS F Alternate cell structure: F RSSR RSSR D D RSSR RSSR F Quadrupole length (m)1.6 Superconducting magnet length (m)2.6568 Ramped magnet length (m)3.9732 Dispersion suppressor cells: 3/4 length and 2/3 bend angle of nomal cells Hi-Lo energy separation of closed orbits (cm)2.08 Hi-Lo energy pathlength difference per superperiod (cm)0.1019 Bend angle of cold dipole at 562.5 GeV/c (rad)0.011327858

3. 8 PERIOD RING General Properties FODO lattice similar to FNAL Main Ring Fixed field dipoles 8T interleaved with ramped dipoles at - 1.8 to 1.8T Ramped quadruples Beam injected at 375 GeV, extracted at 750 GeV Circumference 6288 m 8 superperiods Superperiod contains 3 cell types: standard, short, empty Standard 65.5m, 4 fixed-field and 4 ramped-field dipoles per half-cell Short 49.125m (3/4Xstandard with 2/3X standard bends) Straight cells with no bends 65.5 m

5. Straight Cell

6. Short Cell

7. Dispersion Suppressor

8. Insertion

9. Superperiod

10. Orbit Offsets