A linear RFQ ion trap for the Enriched Xenon Observatory
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چکیده
The design, construction, and performance of a linear radio-frequency ion trap (RFQ) intended for use in the Enriched Xenon Observatory (EXO) are described. EXO aims to detect the neutrinoless double-beta decay of 136Xe to 136Ba. To suppress possible backgrounds EXO will complement the measurement of decay energy and, to some extent, topology of candidate events in a Xe filled detector with the identification of the daughter nucleus (136Ba). The ion trap described here is capable of accepting, cooling, and confining individual Ba ions extracted from the site of the candidate double-beta decay event. A single trapped ion can then be identified, with a large signal-to-noise ratio, via laser spectroscopy.
منابع مشابه
EXO : the Enriched Xenon Observatory for Double Beta Decay
EXO is a search for neutrinoless double beta decay in 136 Xe. An active R&D program for a 10 ton, enriched 136 Xe liquid phase detector is now underway. Current research projects are: decay product extraction, Xe purity studies, energy resolution studies, and Ba+ ion laser-tagging. Half lives of up to 5.0x10 28 yr will be ultimately probed, corresponding to a sensitivity to Majorana neutrino ma...
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تاریخ انتشار 2007