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The B Factory is an experimental facility
for research on the CP violation in the particle
physics. The construction of the accelerator
facility is in the final stage. It is scheduled
to be accomplished in this fiscal year 1998.
The accelerator consists of two rings (3
km circumference) for 8 GeV electron and
3.5 GeV positron beams. These beams collide
in the experimental detector named BELLE
and located in the Tsukuba Exp. Hall. The
magnets (1600 in total) for guiding
the both beams were installed precisely along
the circular beam line by August 21st. The
photo (bottom left) shows the final
wrench work by KEK Director General, Prof.
H. Sugawara to set the last magnet.
Presently beam pipes are being installed through the magnet yokes all along the 3 km circumference of each ring, 6 km in total length. In parallel, large amount of cables, for both power and control, are being laid and connected to these magnets.
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www-admin@kek.jp Dec 18, 1998