Fluorescence Imaging of Individual Ions and Molecules in Pressurized Noble Gases for Barium Tagging in \(^{136}\)Xe
The imaging of individual Ba\(^{2+}\) ions in high pressure xenon gas is one possible way to attain background-free sensitivity to neutrinoless double beta decay and hence establish the Majorana nature of the neutrino. In this paper we demonstrate selective single Ba\(^{2+}\) ion imaging inside a hi...
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Veröffentlicht in: | arXiv.org 2024-05 |
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Sprache: | eng |
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Zusammenfassung: | The imaging of individual Ba\(^{2+}\) ions in high pressure xenon gas is one possible way to attain background-free sensitivity to neutrinoless double beta decay and hence establish the Majorana nature of the neutrino. In this paper we demonstrate selective single Ba\(^{2+}\) ion imaging inside a high-pressure xenon gas environment. Ba\(^{2+}\) ions chelated with molecular chemosensors are resolved at the gas-solid interface using a diffraction-limited imaging system with scan area of 1\(\times\)1~cm\(^2\) located inside 10~bar of xenon gas. This new form of microscopy represents an important enabling step in the development of barium tagging for neutrinoless double beta decay searches in \(^{136}\)Xe, as well as a new tool for studying the photophysics of fluorescent molecules and chemosensors at the solid-gas interface. |
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ISSN: | 2331-8422 |