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Ba-ion extraction from a high pressure Xe gas for double-beta decay studies with EXO

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arxiv 1302.6940 v1 pith:PJUGG7G4 submitted 2013-02-27 physics.ins-det nucl-ex

T. Brunner , D. Fudenberg , A. Sabourov , V.L. Varentsov , G. Gratta , D. Sinclair (for the EXO collaboration) This is my paper
classification physics.ins-detnucl-ex
keywords decayionsdouble-betaextractionpressuresetupvacuumaims
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abstract

An experimental setup is being developed to extract Ba ions from a high-pressure Xe gas environment. It aims to transport Ba ions from 10 bar Xe to vacuum conditions. The setup utilizes a converging-diverging nozzle in combination with a radio-frequency (RF) funnel to move Ba ions into vacuum through the pressure drop of several orders of magnitude. This technique is intended to be used in a future multi-ton detector investigating double-beta decay in $^{136}$Xe. Efficient extraction and detection of Ba ions, the decay product of Xe, would allow for a background-free measurement of the $^{136}$Xe double-beta decay.

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