R2D2 TPC: first Xenon results

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A90263%2F23%3A00371312" target="_blank" >RIV/68407700:90263/23:00371312 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1088/1748-0221/18/10/T10001" target="_blank" >https://doi.org/10.1088/1748-0221/18/10/T10001</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1088/1748-0221/18/10/T10001" target="_blank" >10.1088/1748-0221/18/10/T10001</a>

Result language
angličtina
Original language name
R2D2 TPC: first Xenon results
Original language description
Radial time projection chambers (TPC), already employed in the search for rare phenomena such as light Dark Matter candidate, could provide a new detection approach for the search of neutrinoless double beta decay (ββ0ν). The assessment of the performances of such a detector for ββ0ν search is indeed the goal of the Rare Decays with Radial Detector (R2D2) R&D. Promising results operating a spherical TPC with argon up to 1 bar have been published in 2021. Supplementary measurements were recently taken extending the gas pressure range up to 3 bar. In addition, a comparison between two detector geometries, namely spherical (SPC for spherical proportional counter) and cylindrical (CPC for cylindrical proportional counter), was performed. Using a relatively simple gas purification system the CPC detector was also operated with xenon at 1 bar: an energy resolution of 1.4% full-width at half-maximum was achieved for drift distances up to 17 cm. Much lower resolution was observed with the SPC. These results are presented in this article.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10304 - Nuclear physics

Publication year
2023
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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