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Title: A low energy positron accumulator for the plasma confinement in a compact magnetic mirror trap

A low energy positron accumulator was constructed at RIKEN for the purpose of confining an electron-positron plasma. The use of 5 mCi {sup 22}Na RI source with a standard solid Ne moderator and N{sub 2} buffer gas cooling resulted in a low energy positron yield of ∼ 3 × 10{sup 5} e+/s. So far, 2 × 10{sup 6} positrons have been accumulated in 120s.
Authors:
; ; ;  [1] ; ; ;  [2]
  1. Graduate School of Advanced Sciences of Matter, Hiroshima University 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8530 Japan (Japan)
  2. Atomic Physics Laboratory, RIKEN, 1-2 Hirosawa, Wako, Saitama 351-0198 Japan (Japan)
Publication Date:
OSTI Identifier:
22490698
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1668; Journal Issue: 1; Conference: 11. international workshop on non-neutral plasmas, Takamatsu (Japan), 1-4 Dec 2014; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; BUFFERS; COMPACTS; ELECTRONS; GAS COOLING; JAPANESE ORGANIZATIONS; MAGNETIC MIRRORS; MODERATORS; PLASMA; PLASMA CONFINEMENT; POSITRONS; SODIUM 22; SOLIDS; TRAPS; YIELDS