A flow cryostat for cooling of eight independent pipe guns

H. Sørensen, J.E. Hansen, B. Sass

    Research output: Contribution to journalJournal articleResearch


    A flow cryostat allowing independent cooling of eight pipe guns in a multishot deuterium pellet injector is described. The pipe guns are placed symmetrically around the flow cryostat and with a liquid helium consumption of 4-5 l/h the cooling is sufficient for simultaneous formation of eight pellets at 8-9 K with a diameter of 2.1 mm containing up to 8 x 10(20) atoms/pellet. The thermal interaction between the eight pipe guns is sufficiently low to allow successive firing of the guns with time intervals of up to 1 s.
    Original languageEnglish
    JournalReview of Scientific Instruments
    Issue number7
    Pages (from-to)1783-1786
    Publication statusPublished - 1991

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