Preliminary Test Results for the MICE Spectrometer Superconducting Solenoids

Virostek, Steve; Green, M.A.; Li, D.; Zisman, Michael S.; Wang, S.T.; Wahrer, R.; Taylor, C.; Lu, Xi Feng; Chen, JiYu; Wang, Mimi; Juang, T.

doi:10.1109/tasc.2009.2018805

Cited by 10 publications

(9 citation statements)

References 11 publications

(10 reference statements)

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“…This suggested the cooler second stages were producing very little net refrigeration. It was estimated that the first stages of the three coolers were producing total cooling from 150 to 165 W [8].…”

Section: The Results Of the First Magnet Testmentioning

confidence: 99%

The Results of Tests of the MICE Spectrometer Solenoids

Virostek

Green

2010

IEEE Trans. Appl. Supercond.

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Abstract-The Muon Ionization Cooling Experiment (MICE) spectrometer solenoid magnets will be the first magnets to be installed within the MICE cooling channel. The spectrometer magnets are the largest magnets in both mass and surface area within the MICE cooling channel. Like all of the other magnets in MICE, the spectrometer solenoids are kept cold using 1.5 W (at 4.2 K) pulse tube coolers. The MICE spectrometer solenoid is quite possibly the largest magnet that has been cooled using small coolers. Two spectrometer magnets have been built and tested. This report discusses the results of current and cooler tests of both magnets.

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Section: The Results Of the First Magnet Testmentioning

confidence: 99%

The Results of Tests of the MICE Spectrometer Solenoids

Virostek

Green

2010

IEEE Trans. Appl. Supercond.

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“…All three arrangements operated well in the cooler experiment. Arrangement B was used in the 1 st spectrometer solenoid [13]. Re-condensation did not occur because nitrogen ice (from LN 2 used for the magnet cool-down) plugged the line from the condenser pot to the magnet cold mass pot, cutting off the circulation of helium.…”

Section: The Lbnl Re-condensation and Liqufaction Experimentsmentioning

confidence: 99%

Re-Condensation and Liquefaction of Helium and Hydrogen Using Coolers

Green¹,

Weisend²

2010

AIP Conference Proceedings

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A helium liquefier using three 4 k pulse tube cryocoolers AIP Conference Proceedings 1434, 1640 (2012); 10.1063/1.4707096 RE-CONDENSATION AND LIQUEFACTION OF HELIUM AND HYDROGEN USING COOLERS M. A. GreenLawrence Berkeley National Laboratory Berkeley CA 94720, USA ABSTRACTCoolers are used to cool cryogen free devices at temperatures from 5 to 30 K. Cryogen free cooling involves a temperature drop within the device being cooled and between the device and the cooler cold heads. Liquid cooling with a liquid cryogen distributed over the surface of a device combined with re-condensation can result in a much lower temperature drop between the cooler and the device being cooled. The next logical step beyond simple re-condensation is using a cooler to liquefy the liquid cryogen in the device. A number of tests of helium liquefaction and re-condensation of helium have been run using a pulse tube cooler in the drop-in mode. This report discusses the parameter space over which re-condensation and liquefaction for helium and hydrogen can occur.

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“…Each consists of five planes of scintillating fiber read out via Visible Light Photon Counters (VLPCs), whose signals are digitized by Analog Front End II (AFE-II) electronics boards. The fiber planes are housed within a 4 T solenoid magnet [7]. Particle tracks are reconstructed using the software package G4MICE.…”

Section: Mice Beamline and Cooling Channelmentioning

confidence: 99%

The International Muon Ionization Cooling Experiment: MICE and Neutrino Factories

Freemire¹

2010

AIP Conference Proceedings

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Abstract. The Muon Ionization Cooling Experiment (MICE) is an accelerator and particle physics experiment aimed at demonstrating the technique of ionization cooling on a beam of muons. Ionization cooling is the process by which muons are sent through an absorbing material, thereby losing energy and decreasing their normalized emittance. The muons are then reaccelerated in the appropriate direction with radio frequency (RF) cavities. This produces an overall reduction in transverse emittance of the muon beam. Ionization cooling could be a key technique in the design of a high intensity Neutrino Factory.

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Preliminary Test Results for the MICE Spectrometer Superconducting Solenoids

Cited by 10 publications

References 11 publications

The Results of Tests of the MICE Spectrometer Solenoids

The Results of Tests of the MICE Spectrometer Solenoids

Re-Condensation and Liquefaction of Helium and Hydrogen Using Coolers

The International Muon Ionization Cooling Experiment: MICE and Neutrino Factories

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