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Title: MICE Spectrometer Magnet System Progress

The first magnets for the muon ionization cooling experimentwill be the tracker solenoids that form the ends of the MICE coolingchannel. The primary purpose of the tracker solenoids is to provide auniform 4 T field (to better than +-0.3 percent over a volume that is 1meter long and 0.3 meters in diameter) spectrometer magnet field for thescintillating fiber detectors that are used to analyze the muons in thechannel before and after ionization cooling. A secondary purpose for thetracker magnet is the matching of the muon beam between the rest of theMICE cooling channel and the uniform field spectrometer magnet. Thetracker solenoid is powered by three 300 amp power supplies. Additionaltuning of the spectrometer is provided by a pair of 50 amp power suppliesacross the spectrometer magnet end coils. The tracker magnet will becooled using a pair of 4 K pulse tube coolers that each provide 1.5 W ofcooling at 4.2 K. Final design and construction of the tracker solenoidsbegan during the summer of 2006. This report describes the progress madeon the construction of the tracker solenoids.
Authors:
;
Publication Date:
OSTI Identifier:
932531
Report Number(s):
LBNL--63492
R&D Project: Z3MCCJ; BnR: KA1501020; TRN: US0803555
DOE Contract Number:
DE-AC02-05CH11231
Resource Type:
Journal Article
Resource Relation:
Journal Name: IEEE Transactions on Applied Superconductivity; Journal Volume: 18; Journal Issue: 2; Related Information: Journal Publication Date: 0
Research Org:
Ernest Orlando Lawrence Berkeley NationalLaboratory, Berkeley, CA (US)
Sponsoring Org:
USDOE Director. Office of Science. High EnergyPhysics
Country of Publication:
United States
Language:
English
Subject:
72; CONSTRUCTION; DESIGN; FIBERS; HEAT EXCHANGERS; IONIZATION; MAGNETS; MICE; MUON BEAMS; MUONS; POWER SUPPLIES; SOLENOIDS; SPECTROMETERS; TUNING