A large dilution refrigerator forpolarized target experiments

P. Berglund; J. Kyynäräinen; T. O. Niinikoski

doi:10.1016/S0011-2275(05)80051-7

A large dilution refrigerator forpolarized target experiments

P. Berglund, J. Kyynäräinen, T. O. Niinikoski

Not published at VTT

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2 Citations (Scopus)

Abstract

The refrigerator for the SMC polarized target at CERN (NA47) is by farthe largest dilution refrigerator in operation for this purpose. The target is loaded cold, horizontally into the mixing chamber, which is sealed with a cold indium seal. In "frozen" mode a circulation of 30 mmol/s gives a base temperature of 30 mK. A proton target is polarized to 90 % at 300 mK with a circulation of 180 mmol/s. © 1994 Butterworth-Heinemann Ltd.

Original language	English
Pages (from-to)	235-238
Number of pages	4
Journal	Cryogenics
Volume	34
Issue number	SUPPL. 1
DOIs	https://doi.org/10.1016/S0011-2275(05)80051-7
Publication status	Published - 1 Jan 1994
MoE publication type	A1 Journal article-refereed

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10.1016/S0011-2275(05)80051-7

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AB - The refrigerator for the SMC polarized target at CERN (NA47) is by farthe largest dilution refrigerator in operation for this purpose. The target is loaded cold, horizontally into the mixing chamber, which is sealed with a cold indium seal. In "frozen" mode a circulation of 30 mmol/s gives a base temperature of 30 mK. A proton target is polarized to 90 % at 300 mK with a circulation of 180 mmol/s. © 1994 Butterworth-Heinemann Ltd.

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A large dilution refrigerator forpolarized target experiments

Abstract

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