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An RF-only ion-funnel for extraction from high-pressure gases
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An RF-only ion-funnel for extraction from high-pressure gases

Thomas Brunner, Daniel Fudenberg, Victor Varentsov, Amanda Sabourov, Giorgio Gratta, Jens Dilling, Ralph DeVoe, David Sinclair, William Fairbank, Joshua Albert, …
arXiv.org, v 379(C), pp 110-120
22 Mar 2017
url
http://arxiv.org/abs/1412.1144View

Abstract

Argon Beta decay Carrier gases Gases Rare gases Xenon
An RF ion-funnel technique has been developed to extract ions from a high-pressure (10 bar) noble-gas environment into vacuum (\(10^{-6}\) mbar). Detailed simulations have been performed and a prototype has been developed for the purpose of extracting \(^{136}\)Ba ions from Xe gas with high efficiency. With this prototype, ions have been extracted for the first time from high-pressure xenon gas and argon gas. Systematic studies have been carried out and compared to the simulations. This demonstration of extraction of ions with mass comparable to that of the gas generating the high-pressure into vacuum has applications to Ba tagging from a Xe-gas time-projection chamber (TPC) for double beta decay as well as to the general problem of recovering trace amounts of an ionized element in a heavy (m\(>40\) u) carrier gas.

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Domestic collaboration
International collaboration
Web of Science research areas
Physics, Atomic, Molecular & Chemical
Spectroscopy
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