Performance of quadrupole and sextupole magnets for the Advanced Photon Source storage ring

From the magnetic measurement data of several production quadrupole and sextupole magnets for the storage ring of the Advanced Photon Source, the excitation efficiencies and systematic and random multipole coefficients of the magnets are summarized. The designs of the magnets, which are constrained...

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Veröffentlicht in:	IEEE Transactions on Magnetics (Institute of Electrical and Electronics Engineers); (United States) 1994-07, Vol.30 (4), p.2612-2615
Hauptverfasser:	Kim, S.H., Doose, C.L., Kim, K., Thompson, K.M., Turner, L.R.
Format:	Artikel
Sprache:	eng
Schlagworte:	430300 - Particle Accelerators- Auxiliaries & Components 430400 - Particle Accelerators- Storage Rings ADVANCED PHOTON SOURCE Applied sciences Coils COOLING ELECTRIC COILS Electrical engineering. Electrical power engineering ELECTRICAL EQUIPMENT ELECTROMAGNETS ELECTRONIC EQUIPMENT Exact sciences and technology Geometry Laboratories MAGNET COILS MAGNETIC FIELDS Magnetic variables measurement MAGNETS PARTICLE ACCELERATORS POWER SUPPLIES RADIATION SOURCES Steel Storage rings Strontium Structural beams SYNCHROTRON RADIATION SOURCES Various equipment and components Welding
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Zusammenfassung:	From the magnetic measurement data of several production quadrupole and sextupole magnets for the storage ring of the Advanced Photon Source, the excitation efficiencies and systematic and random multipole coefficients of the magnets are summarized. The designs of the magnets, which are constrained due to the geometry of the vacuum chamber, have rotation symmetries of 180/spl deg/ and 120/spl deg/. The production data meet the allowed tolerances of a few parts in 10/sup -4/ for the storage ring.< >
ISSN:	0018-9464 1941-0069
DOI:	10.1109/20.305814