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Autoresonant-spectrometric determination of the residual gas composition in the ALPHA experiment apparatus
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2013 (English)In: Review of Scientific Instruments, ISSN 0034-6748, E-ISSN 1089-7623, Vol. 84, no 6, 065110- p.Article in journal (Refereed) Published
Abstract [en]

Knowledge of the residual gas composition in the ALPHA experiment apparatus is important in our studies of antihydrogen and nonneutral plasmas. A technique based on autoresonant ion extraction from an electrostatic potential well has been developed that enables the study of the vacuum in our trap. Computer simulations allow an interpretation of our measurements and provide the residual gas composition under operating conditions typical of those used in experiments to produce, trap, and study antihydrogen. The methods developed may also be applicable in a range of atomic and molecular trap experiments where Penning-Malmberg traps are used and where access is limited.

Place, publisher, year, edition, pages
2013. Vol. 84, no 6, 065110- p.
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Physical Sciences
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URN: urn:nbn:se:su:diva-92661DOI: 10.1063/1.4811527ISI: 000321273500056OAI: oai:DiVA.org:su-92661DiVA: diva2:640779
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AuthorCount:42;

Available from: 2013-08-14 Created: 2013-08-14 Last updated: 2017-12-06Bibliographically approved

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