2002•Unpublished venueRequires access
Magnets with full apertures for extracting synchrotron radiation at the Photon Factory ring
Yukinori Kobayashi, A. Araki, Yutetsu Kamiya
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Abstract
A set of magnets has been designed with apertures enough to extract almost all synchrotron radiation from the upstream bending magnet. These magnets are a quadrupole, a sextupole, and a vertical steering. After the field measurement in the summer shutdown of 1990, they were positioned in the lump on a common magnet base in the ring, taking the place of the previous magnets. On the restart of the ring in the following autumn, no harmful effect was observed on the circulating beam, and since then the magnets have been operated without any trouble. A report is presented on the magnet designs, the field measurement, and the effects of the magnets on the beam orbit.>