An RF-only ion-funnel for extraction from high-pressure gases
An RF ion-funnel technique has been developed to extract ions from a high-pressure (10 bar) noble-gas environment into a vacuum (10-6 mbar). Detailed simulations have been performed and a prototype has been developed for the purpose of extracting 136Ba 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 simulations. This demonstration of extraction of ions, with mass comparable to that of the gas generating the high-pressure, has applications to Ba tagging from a Xe-gas time-projection chamber 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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Related Subject Headings
- Analytical Chemistry
- 5102 Atomic, molecular and optical physics
- 3406 Physical chemistry
- 3401 Analytical chemistry
- 0306 Physical Chemistry (incl. Structural)
- 0305 Organic Chemistry
- 0301 Analytical Chemistry
Citation
Published In
DOI
ISSN
Publication Date
Volume
Start / End Page
Related Subject Headings
- Analytical Chemistry
- 5102 Atomic, molecular and optical physics
- 3406 Physical chemistry
- 3401 Analytical chemistry
- 0306 Physical Chemistry (incl. Structural)
- 0305 Organic Chemistry
- 0301 Analytical Chemistry