Combining Hybrid and Opaque Scintillator Techniques in the Search for Double Beta Plus Decays
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arXiv
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| Auteurs principaux: | , , , , , , , , , , , , |
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866915382399336448 |
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| author | Collaboration, NuDoubt++ : Böhles, Manuel Böser, Sebastian Eisenhuth, Magdalena Girard-Carillo, Cloé Curiel, Kitzia M. Hernandez Keßler, Bastian Mossel, Kyra Palušová, Veronika Schoppmann, Stefan Weber, Alfons Wurm, Michael |
| author_facet | Collaboration, NuDoubt++ : Böhles, Manuel Böser, Sebastian Eisenhuth, Magdalena Girard-Carillo, Cloé Curiel, Kitzia M. Hernandez Keßler, Bastian Mossel, Kyra Palušová, Veronika Schoppmann, Stefan Weber, Alfons Wurm, Michael |
| contents | Double beta plus decay is a rare nuclear disintegration process. Difficulties in its measurement arise from suppressed decay probabilities, experimentally challenging decay signatures and low natural abundances of suitable candidate nuclei. In this article, we propose a new detector concept to overcome these challenges. It is based on the first-time combination of hybrid and opaque scintillation detector technology paired with novel light read-out techniques. This approach is particularly suitable detecting positron (beta plus) signatures. We expect to discover two-neutrino double beta plus decay modes within 1 tonne-week exposure and are able to probe neutrinoless double beta plus decays at several orders of magnitude improved significance compared to current experimental limits. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2407_05999 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Combining Hybrid and Opaque Scintillator Techniques in the Search for Double Beta Plus Decays Collaboration, NuDoubt++ : Böhles, Manuel Böser, Sebastian Eisenhuth, Magdalena Girard-Carillo, Cloé Curiel, Kitzia M. Hernandez Keßler, Bastian Mossel, Kyra Palušová, Veronika Schoppmann, Stefan Weber, Alfons Wurm, Michael Instrumentation and Detectors High Energy Physics - Experiment Nuclear Experiment Double beta plus decay is a rare nuclear disintegration process. Difficulties in its measurement arise from suppressed decay probabilities, experimentally challenging decay signatures and low natural abundances of suitable candidate nuclei. In this article, we propose a new detector concept to overcome these challenges. It is based on the first-time combination of hybrid and opaque scintillation detector technology paired with novel light read-out techniques. This approach is particularly suitable detecting positron (beta plus) signatures. We expect to discover two-neutrino double beta plus decay modes within 1 tonne-week exposure and are able to probe neutrinoless double beta plus decays at several orders of magnitude improved significance compared to current experimental limits. |
| title | Combining Hybrid and Opaque Scintillator Techniques in the Search for Double Beta Plus Decays |
| topic | Instrumentation and Detectors High Energy Physics - Experiment Nuclear Experiment |
| url | https://arxiv.org/abs/2407.05999 |