The MONUMENT Experiment: Ordinary Muon Capture studies for 0$νββ$ decay
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| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866915156100907008 |
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| author | Bajpai, Dhanurdhar Baudis, Laura Belov, Viacheslav Bossio, Elisabetta Cocolios, Thomas E. Ejiri, Hiroyasu Sushenok, Evgenii Fomina, Maria Hashim, Izyan H. Heines, Michael Gusev, Konstantin Kazartsev, Sergej Knecht, Andreas Mondragon, Elizabeth Wei, Ng Zheng Othman, Faiznur Ostrovskiy, Igor Araujo, Gabriela R. Rumyantseva, Nadyia Schwarz, Mario Schoenert, Stefan Shirchenko, Mark Shevchik, Egor Shitov, Yury Suhonen, Jouni Vogiatzi, Stergiani M. Wiesinger, Christoph Zhitnikov, Igor Zinatulina, Daniya |
| author_facet | Bajpai, Dhanurdhar Baudis, Laura Belov, Viacheslav Bossio, Elisabetta Cocolios, Thomas E. Ejiri, Hiroyasu Sushenok, Evgenii Fomina, Maria Hashim, Izyan H. Heines, Michael Gusev, Konstantin Kazartsev, Sergej Knecht, Andreas Mondragon, Elizabeth Wei, Ng Zheng Othman, Faiznur Ostrovskiy, Igor Araujo, Gabriela R. Rumyantseva, Nadyia Schwarz, Mario Schoenert, Stefan Shirchenko, Mark Shevchik, Egor Shitov, Yury Suhonen, Jouni Vogiatzi, Stergiani M. Wiesinger, Christoph Zhitnikov, Igor Zinatulina, Daniya |
| contents | The MONUMENT experiment measures ordinary muon capture (OMC) on isotopes relevant for neutrinoless double-beta (0$νββ$) decay and nuclear astrophysics. OMC is a particularly attractive tool for improving the theoretical description of 0$νββ$ decay. It involves similar momentum transfers and allows testing the virtual transitions involved in 0$νββ$ decay against experimental data. During the 2021 campaign, MONUMENT measured OMC on $^{76}$Se and $^{136}$Ba, the isotopes relevant for next-generation 0$νββ$ decay searches, like LEGEND and nEXO. The experimental setup has been designed to accurately extract the total and partial muon capture rates, which requires precise reconstruction of energies and time-dependent intensities of the OMC-related $γ$ rays. The setup also includes a veto counter system to allow selecting a clean sample of OMC events. This work provides a detailed description of the MONUMENT setup operated during the 2021 campaign, its two DAQ systems, calibration and analysis approaches, and summarises the achieved detector performance. Future improvements are also discussed. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_12686 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | The MONUMENT Experiment: Ordinary Muon Capture studies for 0$νββ$ decay Bajpai, Dhanurdhar Baudis, Laura Belov, Viacheslav Bossio, Elisabetta Cocolios, Thomas E. Ejiri, Hiroyasu Sushenok, Evgenii Fomina, Maria Hashim, Izyan H. Heines, Michael Gusev, Konstantin Kazartsev, Sergej Knecht, Andreas Mondragon, Elizabeth Wei, Ng Zheng Othman, Faiznur Ostrovskiy, Igor Araujo, Gabriela R. Rumyantseva, Nadyia Schwarz, Mario Schoenert, Stefan Shirchenko, Mark Shevchik, Egor Shitov, Yury Suhonen, Jouni Vogiatzi, Stergiani M. Wiesinger, Christoph Zhitnikov, Igor Zinatulina, Daniya Nuclear Experiment Nuclear Theory The MONUMENT experiment measures ordinary muon capture (OMC) on isotopes relevant for neutrinoless double-beta (0$νββ$) decay and nuclear astrophysics. OMC is a particularly attractive tool for improving the theoretical description of 0$νββ$ decay. It involves similar momentum transfers and allows testing the virtual transitions involved in 0$νββ$ decay against experimental data. During the 2021 campaign, MONUMENT measured OMC on $^{76}$Se and $^{136}$Ba, the isotopes relevant for next-generation 0$νββ$ decay searches, like LEGEND and nEXO. The experimental setup has been designed to accurately extract the total and partial muon capture rates, which requires precise reconstruction of energies and time-dependent intensities of the OMC-related $γ$ rays. The setup also includes a veto counter system to allow selecting a clean sample of OMC events. This work provides a detailed description of the MONUMENT setup operated during the 2021 campaign, its two DAQ systems, calibration and analysis approaches, and summarises the achieved detector performance. Future improvements are also discussed. |
| title | The MONUMENT Experiment: Ordinary Muon Capture studies for 0$νββ$ decay |
| topic | Nuclear Experiment Nuclear Theory |
| url | https://arxiv.org/abs/2404.12686 |