Superconducting Dipole Parameters for MuSR

Basic Parameters:
Operating Field 6 T
Magnetic Length 2.4 m
Operating Current 15 kA
Operating Temperature 4.5 K
Beam Aperture (HxW) 80 x 100 mm
Tungsten Beam Tube Thickness 10 mm
Operating Temperature of Beam Tube 77 K
Coil:
One Layer Cos(Phi) Type Design
Number of Turns in Coil 70
Inductance 12.5 mH
Stored Energy 1.4 MJ
Structure:
Cold Mass Diameter 410 mm
Length of Cold Mass 3 m
Weight of Cold Mass 3 t



SC Quadrupole and Sextupole Magnet Parameters for MuSR

Quadrupole Parameters:
Operating Field 3.6 T
Magnetic Length 1.0 m
Operating Current 10 kA
Operating Temperature 4.5 K
Beam Aperture 120 mm
Tungsten Beam Tube Thickness 10 mm
Operating Temperature of Beam Tube 77 K
Quadrupole Coil:
One Layer Cos(Phi) Type Design
Coil Inner Diameter 160 mm
Sextupole Coil:
One Layer Cos(Phi) Type Design
Coil Inner Diameter 220 mm
Horizontal Sextupole Poletip Field 0.52 T
Vertical Sextupole Poletip Field 1.03 T
Magnetic Length 1.0 m
Structure:
Design Concept Collared coil assembly of the quadrupole is installed inside aperture of sextupole with common iron yoke.
Common Cold Mass Diameter 410 mm
Length of Cold Mass 1.5 m
Weight of Cold Mass 1.5 t



Arc Half Cell of the MuSR

Design Concept:
Common cold mass vessel for the arc half cell which will contain dipole, quadrupole and sextupole magnets.
Common vacuum vessel for the cryostat.
Two suspension posts and anchor in the middle of quadrupole.
Structure Parameters:
Cold Mass Diameter 410 mm
Total Length of Cold Mass 4.6 m
Beam Tube Length 4.9 m
Total Weight of the Common Cold Mass 4.5 t
Outer Diameter of Cryostat 800 mm
Suspension Post Dimension (HxW) 900 x 800 mm
Total Weight of the Half Cell Assembly 5.5 t
Cryo-loads:
Static heat leaks:
to He level, at 4.5 K 5 W/cryostat
to N2 level, at 77 K 30 W/cryostat
Dynamic heat losses: (Included beam losses)
to He level, at 4.5 K 7 W/cryostat
to N2 level, at 77 K 70 W/cryostat