Solid neon moderator for positron-trapping experiments

1 July 1996

journal article
Published by Canadian Science Publishing in Canadian Journal of Physics

Vol. 74 (7-8) , 445-448
https://doi.org/10.1139/p96-063

Abstract

A solid neon moderator using a two-stage, closed-cycle refrigerator was installed in an experiment to accumulate positrons in a Penning trap. This moderator replaced a single-crystal tungsten film moderator and yielded an approximate 20-fold improvement in the positron-trapping rate. Experience with the new moderator in a relatively poor vacuum environment of p ~ 1 × 10⁻⁷ Torr is discussed.

Keywords

POSITRON TRAPPING
SOLID NEON MODERATOR
REFRIGERATOR
TRAPPING EXPERIMENTS
MODERATOR USING

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