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  • Design of a solid hydrogen target cryostat for positron moderation studies 

    Leachman, Jacob; Nixon, Chad (Proceedings of the Cryogenic Engineering Conference–CEC: Advances in Cryogenic Engineering, 2012)
    Despite the widespread use of positron technology the efficiency of positron utilization is less than 1 %. The low efficiency is primarily due to positron destruction during moderation. Emitted positrons must be filtered ...