A polarized electron target for a high energy muon beam polarimeter

A special magnet designed to saturate at 2.2 T a 2.7 mm thick, 180 mm wide and 588 mm long rectangular iron foil has been built in Saclay for the CERN SMC experiment muon beam polarimeter. It consists of an H iron yoke equipped with two magnetizing copper coils operated in a pulsed mode in order to...

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Bibliographic Details
Published in:IEEE Transactions on Magnetics (Institute of Electrical and Electronics Engineers); (United States) 1994-07, Vol.30 (4), p.2447-2450
Main Authors: de Botton, N., Dael, A., Martino, J.
Format: Article
Language:English
Subjects:
ACCELERATORS
Applied sciences
BEAMS
CERN SPS SYNCHROTRON
Coils
Copper
CYCLIC ACCELERATORS
DESIGN
ELECTRIC COILS
Electrical engineering. Electrical power engineering
ELECTRICAL EQUIPMENT
ELECTROMAGNETS
Electron beams
Exact sciences and technology
Iron
LEPTON BEAMS
MAGNET COILS
Magnetic field measurement
MAGNETIC FIELDS
MAGNETIC FLUX
MAGNETS
Mesons
MUON BEAMS
PARTICLE ACCELERATORS
PARTICLE BEAMS
POLARIMETERS
POLARIZATION
PULSED MAGNET COILS
Saturation magnetization
Sliding mode control
SYNCHROTRONS 430303 > Particle Accelerators-- Experimental Facilities & Equipment
TARGETS
Various equipment and components
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Description
Summary:A special magnet designed to saturate at 2.2 T a 2.7 mm thick, 180 mm wide and 588 mm long rectangular iron foil has been built in Saclay for the CERN SMC experiment muon beam polarimeter. It consists of an H iron yoke equipped with two magnetizing copper coils operated in a pulsed mode in order to periodically invert the foil magnetisation. The operation point and the demagnetizing factor influence are discussed. The measurements with a search coil of the resulting flux density and the influence of the eddy currents are presented. The magnet fringe field which affects particle trajectories has also been measured.< >
ISSN:0018-9464
1941-0069
DOI:10.1109/20.305772