372596171

152

J. Ohnishi et al.

Fig. 3. Cross-sectional view of a newly designed sex-tupole magnet.

X(cm)

Fig. 2. Field distribution of a quadrupole magnet calcu-lated with a 2-D codę LINDA. The Y axis indicates a relative deviation from an ideał quadrupole field at the nominał strength, 18 T/m.

0    1    2    3    4    5

X(cm)

Fig. 4. Field distribution of a sextupole magnet calcu-lated with a 2-D codę LINDA. The Y axis indicates a relative deviation from an ideał sextupole field at the nominał strength, 450 T/m².

Fig. 1. Cross-sectional view of a newly designed quad-rupole magnet.

0 005 0.004 C.003 0.002

_m 0.001 m o.ooo ^< -0.001 •0.002 •0.003 -0 004 •0 005

delivered next fali to verify the design. A full-scale manufacturing starts in early 1992.

References

I) J. Ohnishi, S. Motonaga, and H. Takebe: This Report, p. 153; 155.