Velocity-selected magnetic guiding of Zeeman-decelerated hydrogen atoms

Katrin Dulitz, Timothy Softley

    Research output: Contribution to journalArticlepeer-review

    5 Citations (Scopus)

    Abstract

    An original design of magnetic guide is presented, suitable for use with Zeeman-decelerated supersonic beams of ground-state hydrogen atoms and other light paramagnetic species. Three-dimensional particle trajectory simulations show that, by combining a series of permanent-magnet Halbach arrays with pulsed high-current wire electromagnets, this guide can be used to efficiently transmit the slow, decelerated atoms and discard the faster, undecelerated atoms and other species in the gas beam. The curved guide would be suitable for guiding hydrogen atoms into an ion trap to investigate low temperature ion-molecule collisions. It is also shown that the device could be used for the guiding or velocity selection from an undecelerated supersonic or effusive beam.

    Original languageEnglish
    Article number19
    JournalEuropean Physical Journal D
    Volume70
    Issue number1
    DOIs
    Publication statusPublished - 26 Jan 2016

    Keywords

    • Cold Matter and Quantum Gas

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics

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