Antiproton, positron, and electron imaging with a microchannel plate/phosphor detector ALPHA Collaboration

G. B. Andresen, W. Bertsche, P. D. Bowe, C. C. Bray, E. Butler, C. L. Cesar, S. Chapman, M. Charlton, J. Fajans, M. C. Fujiwara, D. R. Gill, J. S. Hangst, W. N. Hardy, R. S. Hayano, M. E. Hayden, A. J. Humphries, R. Hydomako, L. V. Jørgensen, S. J. Kerrigan, L. KurchaninovR. Lambo, N. Madsen, P. Nolan, K. Olchanski, A. Olin, A. P. Povilus, P. Pusa, E. Sarid, S. Seif El Nasr, D. M. Silveira, J. W. Storey, R. I. Thompson, D. P. Van Der Werf, Y. Yamazaki

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

A microchannel plate (MCP)/phosphor screen assembly has been used to destructively measure the radial profile of cold, confined antiprotons, electrons, and positrons in the ALPHA experiment, with the goal of using these trapped particles for antihydrogen creation and confinement. The response of the MCP to low energy (10-200 eV, <1 eV spread) antiproton extractions is compared to that of electrons and positrons.

Original languageEnglish
Article number123701
JournalReview of Scientific Instruments
Volume80
Issue number12
DOIs
StatePublished - 1 Dec 2009
Externally publishedYes

ASJC Scopus subject areas

  • Instrumentation

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