An electrostatic slow positron beam apparatus for positron scattering experiments

Kazuaki Nagumo, Yuna Nitta, Daiki Tomida, Masamitsu Hoshino, Hiroshi Tanaka, Yasuyuki Nagashima

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


An electrostatic slow positron beam system has been developed for positron scattering studies. The apparatus uses a remoderator in reflection geometry in conjunction with an electrostatic hemispherical energy analyzer for the brightness enhancement. It is possible to determine absolute total scattering cross section values under magnetic field-free conditions down to a few mG. Measurement of the energy distribution of the positrons that are reemitted from the remoderator and total cross sections for positron-He scattering are presented.

Original languageEnglish
Article number012024
JournalJournal of Physics: Conference Series
Publication statusPublished - 2010 Jan 1
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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