First observation of single beta decay of $^{96}$Zr
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arXiv
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| Autori principali: | , , , , , , , , , , , , , , , , |
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| Natura: | Preprint |
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2026
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| author | Barabash, A. S. Evseev, S. Filosofov, D. Gavrilyuk, Yu. M. Gangapshev, A. M. Gorshkov, N. Kazalov, V. V. Kazartsev, S. Khussainov, T. Kuzminov, V. V. Lubashevskiy, A. Ponomarev, D. V. Rozov, S. Temerbulatova, N. Vasilyev, S. Yakushev, E. A. Yumatov, V. I. |
| author_facet | Barabash, A. S. Evseev, S. Filosofov, D. Gavrilyuk, Yu. M. Gangapshev, A. M. Gorshkov, N. Kazalov, V. V. Kazartsev, S. Khussainov, T. Kuzminov, V. V. Lubashevskiy, A. Ponomarev, D. V. Rozov, S. Temerbulatova, N. Vasilyev, S. Yakushev, E. A. Yumatov, V. I. |
| contents | The single beta decay of $^{96}$Zr has been detected for the first time using a 211 cm$^3$ low-background HPGe detector and an external source consisting of two samples of enriched zirconium (atomic fraction of $^{96}$Zr is 88.28%, total mass is 140.65 g). During the search for the $β$ decay of $^{96}$Zr, the $β$ decay of the daughter nucleus $^{96}$Nb to the excited states of $^{96}$Mo has been observed. The $γ$-ray cascade produced by the $^{96}$Mo nucleus while de-exciting to the ground state has been detected with the HPGe detector. The experiment has been carried out at the Baksan Neutrino Observatory. It has produced 12625.34 h of data. The half-life of the single beta decay of $^{96}$Zr is measured to be $T_{1/2} = [2.27^{+0.53}_{-0.36}(stat) \pm 0.27(syst)]\times10^{20}$ yr. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_18344 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | First observation of single beta decay of $^{96}$Zr Barabash, A. S. Evseev, S. Filosofov, D. Gavrilyuk, Yu. M. Gangapshev, A. M. Gorshkov, N. Kazalov, V. V. Kazartsev, S. Khussainov, T. Kuzminov, V. V. Lubashevskiy, A. Ponomarev, D. V. Rozov, S. Temerbulatova, N. Vasilyev, S. Yakushev, E. A. Yumatov, V. I. Nuclear Experiment The single beta decay of $^{96}$Zr has been detected for the first time using a 211 cm$^3$ low-background HPGe detector and an external source consisting of two samples of enriched zirconium (atomic fraction of $^{96}$Zr is 88.28%, total mass is 140.65 g). During the search for the $β$ decay of $^{96}$Zr, the $β$ decay of the daughter nucleus $^{96}$Nb to the excited states of $^{96}$Mo has been observed. The $γ$-ray cascade produced by the $^{96}$Mo nucleus while de-exciting to the ground state has been detected with the HPGe detector. The experiment has been carried out at the Baksan Neutrino Observatory. It has produced 12625.34 h of data. The half-life of the single beta decay of $^{96}$Zr is measured to be $T_{1/2} = [2.27^{+0.53}_{-0.36}(stat) \pm 0.27(syst)]\times10^{20}$ yr. |
| title | First observation of single beta decay of $^{96}$Zr |
| topic | Nuclear Experiment |
| url | https://arxiv.org/abs/2605.18344 |