Updated and novel limits on double beta decay and dark matter-induced processes in platinum
Abstract A 510 day long-term measurement of a 45.3 g platinum foil acting as the sample and high voltage contact in an ultra-low-background high purity germanium detector was performed at Laboratori Nazionali del Gran Sasso (Italy). The data was used for a detailed study of double beta decay modes i...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
SpringerOpen
2023-05-01
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| Series: | European Physical Journal C: Particles and Fields |
| Online Access: | https://doi.org/10.1140/epjc/s10052-023-11510-1 |
| _version_ | 1797789665629044736 |
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| author | B. Broerman M. Laubenstein S. S. Nagorny S. Nisi N. Song A. C. Vincent |
| author_facet | B. Broerman M. Laubenstein S. S. Nagorny S. Nisi N. Song A. C. Vincent |
| author_sort | B. Broerman |
| collection | DOAJ |
| description | Abstract A 510 day long-term measurement of a 45.3 g platinum foil acting as the sample and high voltage contact in an ultra-low-background high purity germanium detector was performed at Laboratori Nazionali del Gran Sasso (Italy). The data was used for a detailed study of double beta decay modes in natural platinum isotopes. Limits are set in the range $${\mathcal {O}}(10^{14}{-} 10^{19})$$ O ( 10 14 - 10 19 ) years (90% C.L.) for several double beta decay transitions to excited states confirming, and partially extending existing limits. The highest sensitivity of the measurement, greater than $$10^{19}$$ 10 19 years, was achieved for the two neutrino and neutrinoless double beta decay modes of the isotope $$^{198}$$ 198 Pt. Additionally, novel limits for inelastic dark matter scattering on $$^{195}$$ 195 Pt are placed up to mass splittings of approximately 500 keV. We analyze several techniques to extend the sensitivity and propose a few approaches for future medium-scale experiments with platinum-group elements. |
| first_indexed | 2024-03-13T01:53:54Z |
| format | Article |
| id | doaj.art-dd947467d6cc44bc9583077b2bd98610 |
| institution | Directory Open Access Journal |
| issn | 1434-6052 |
| language | English |
| last_indexed | 2024-03-13T01:53:54Z |
| publishDate | 2023-05-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | European Physical Journal C: Particles and Fields |
| spelling | doaj.art-dd947467d6cc44bc9583077b2bd986102023-07-02T11:24:45ZengSpringerOpenEuropean Physical Journal C: Particles and Fields1434-60522023-05-018351710.1140/epjc/s10052-023-11510-1Updated and novel limits on double beta decay and dark matter-induced processes in platinumB. Broerman0M. Laubenstein1S. S. Nagorny2S. Nisi3N. Song4A. C. Vincent5Department of Physics, Engineering Physics and Astronomy, Queen’s UniversityINFN-Laboratori Nazionali del Gran SassoDepartment of Physics, Engineering Physics and Astronomy, Queen’s UniversityINFN-Laboratori Nazionali del Gran SassoDepartment of Mathematical Sciences, University of LiverpoolDepartment of Physics, Engineering Physics and Astronomy, Queen’s UniversityAbstract A 510 day long-term measurement of a 45.3 g platinum foil acting as the sample and high voltage contact in an ultra-low-background high purity germanium detector was performed at Laboratori Nazionali del Gran Sasso (Italy). The data was used for a detailed study of double beta decay modes in natural platinum isotopes. Limits are set in the range $${\mathcal {O}}(10^{14}{-} 10^{19})$$ O ( 10 14 - 10 19 ) years (90% C.L.) for several double beta decay transitions to excited states confirming, and partially extending existing limits. The highest sensitivity of the measurement, greater than $$10^{19}$$ 10 19 years, was achieved for the two neutrino and neutrinoless double beta decay modes of the isotope $$^{198}$$ 198 Pt. Additionally, novel limits for inelastic dark matter scattering on $$^{195}$$ 195 Pt are placed up to mass splittings of approximately 500 keV. We analyze several techniques to extend the sensitivity and propose a few approaches for future medium-scale experiments with platinum-group elements.https://doi.org/10.1140/epjc/s10052-023-11510-1 |
| spellingShingle | B. Broerman M. Laubenstein S. S. Nagorny S. Nisi N. Song A. C. Vincent Updated and novel limits on double beta decay and dark matter-induced processes in platinum European Physical Journal C: Particles and Fields |
| title | Updated and novel limits on double beta decay and dark matter-induced processes in platinum |
| title_full | Updated and novel limits on double beta decay and dark matter-induced processes in platinum |
| title_fullStr | Updated and novel limits on double beta decay and dark matter-induced processes in platinum |
| title_full_unstemmed | Updated and novel limits on double beta decay and dark matter-induced processes in platinum |
| title_short | Updated and novel limits on double beta decay and dark matter-induced processes in platinum |
| title_sort | updated and novel limits on double beta decay and dark matter induced processes in platinum |
| url | https://doi.org/10.1140/epjc/s10052-023-11510-1 |
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