First direct $^{7}$Be electron capture $Q$-value measurement towards high-precision BSM neutrino physics searches
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arXiv
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| Autori principali: | , , , , , , , , , , , , , , |
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| Natura: | Preprint |
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2023
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| author | Bhandari, R. Bollen, G. Brunner, T. Gamage, N. D. Hamaker, A. Hockenbery, Z. Gamage, M. Horana Keblbeck, D. K. Leach, K. G. Puentes, D. Redshaw, M. Ringle, R. Schwarz, S. Sumithrarachchi, C. S. Yandow, I. |
| author_facet | Bhandari, R. Bollen, G. Brunner, T. Gamage, N. D. Hamaker, A. Hockenbery, Z. Gamage, M. Horana Keblbeck, D. K. Leach, K. G. Puentes, D. Redshaw, M. Ringle, R. Schwarz, S. Sumithrarachchi, C. S. Yandow, I. |
| contents | We report the first direct measurement of the nuclear electron capture (EC) decay $Q$-value of $^{7}$Be $\rightarrow$ $^{7}$Li via high-precision Penning trap mass spectrometry (PTMS). This was performed using the LEBIT Penning trap located at the National Superconducting Cyclotron Laboratory/Facility for Rare Isotope Beams (NSCL/FRIB) using the newly commissioned Batch-Mode Ion-Source (BMIS) to deliver the unstable $^{7}$Be$^{+}$ samples. With a measured value of $Q_{EC}$ = 861.963(23) keV this result is also three times more precise than any previous determination of this quantity. This improved precision, and accuracy of the $^7$Be EC decay $Q$-value is critical for ongoing experiments that measure the recoiling nucleus in this system as a signature to search for beyond Standard Model (BSM) neutrino physics using $^7$Be-doped superconducting sensors. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2308_13379 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | First direct $^{7}$Be electron capture $Q$-value measurement towards high-precision BSM neutrino physics searches Bhandari, R. Bollen, G. Brunner, T. Gamage, N. D. Hamaker, A. Hockenbery, Z. Gamage, M. Horana Keblbeck, D. K. Leach, K. G. Puentes, D. Redshaw, M. Ringle, R. Schwarz, S. Sumithrarachchi, C. S. Yandow, I. Nuclear Experiment We report the first direct measurement of the nuclear electron capture (EC) decay $Q$-value of $^{7}$Be $\rightarrow$ $^{7}$Li via high-precision Penning trap mass spectrometry (PTMS). This was performed using the LEBIT Penning trap located at the National Superconducting Cyclotron Laboratory/Facility for Rare Isotope Beams (NSCL/FRIB) using the newly commissioned Batch-Mode Ion-Source (BMIS) to deliver the unstable $^{7}$Be$^{+}$ samples. With a measured value of $Q_{EC}$ = 861.963(23) keV this result is also three times more precise than any previous determination of this quantity. This improved precision, and accuracy of the $^7$Be EC decay $Q$-value is critical for ongoing experiments that measure the recoiling nucleus in this system as a signature to search for beyond Standard Model (BSM) neutrino physics using $^7$Be-doped superconducting sensors. |
| title | First direct $^{7}$Be electron capture $Q$-value measurement towards high-precision BSM neutrino physics searches |
| topic | Nuclear Experiment |
| url | https://arxiv.org/abs/2308.13379 |