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    A hybrid beam design for slow positron transport

    Mulligan, F.J. and Lubell, M.S. (1993) A hybrid beam design for slow positron transport. Measurement Science and Technology, 4. pp. 197-203.

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    The authors report on the design of a hybrid transport system for slow positrons based upon the high-intensity magnetically transported positron beam, which existed at the Brookhaven (BNL) high-flux beam reactor (HFBR) in 1986. The resulting modified transport, incorporating an initial electrostatic stage followed by a magnetic stage and completed by brightness enhancement moderation leading to a final electrostatic section, represented the minimum alteration of the existing beam to enable it to be used for crossed-beams differential scattering studies involving a variety of atomic and molecular systems, including atomic hydrogen. A recent proposal for constructing a very high-intensity positron beam at the Paul Scherrer Institute (PSI), based upon magnetic confinement premoderation, has rekindled interest in the conclusions of the study.

    Item Type: Article
    Keywords: Hybrid beam; positron transport;
    Academic Unit: Faculty of Science and Engineering > Experimental Physics
    Item ID: 811
    Depositing User: Dr. Frank Mulligan
    Date Deposited: 30 Nov 2007
    Journal or Publication Title: Measurement Science and Technology
    Publisher: IOP Publishing Ltd.
    Refereed: Yes

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