An electrostatic positron beam for atomic and molecular collision experiments

S. E. Fayer, A. Loreti, A. Kövér, S. L. Andersen, G. Laricchia

Research output: Contribution to journalArticle

Abstract

A new electrostatic positron beam at UCL is described. The beam incorporates a re-moderator to achieve brightness enhancement, time of flight facility for beam energy determination and improved signal to background ratio and a position sensitive detector for 2-D imaging of the beam spot. The apparatus is being employed for measuring the total cross section of positron scattering from krypton and helium in the energy range of (10 - 200) eV. Results will be presented at the conference.

Original languageEnglish
Article number052070
JournalJournal of Physics: Conference Series
Volume635
Issue number5
DOIs
Publication statusPublished - Sep 7 2015

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molecular collisions
atomic collisions
positrons
electrostatics
moderators
krypton
brightness
helium
energy
augmentation
detectors
cross sections
scattering

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

An electrostatic positron beam for atomic and molecular collision experiments. / Fayer, S. E.; Loreti, A.; Kövér, A.; Andersen, S. L.; Laricchia, G.

In: Journal of Physics: Conference Series, Vol. 635, No. 5, 052070, 07.09.2015.

Research output: Contribution to journalArticle

Fayer, S. E. ; Loreti, A. ; Kövér, A. ; Andersen, S. L. ; Laricchia, G. / An electrostatic positron beam for atomic and molecular collision experiments. In: Journal of Physics: Conference Series. 2015 ; Vol. 635, No. 5.
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