Neutrino magnetic dipole portal with low energy neutrino nucleus scattering data
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arXiv
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| Autori principali: | , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866910482736087040 |
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| author | Li, Ying-Ying Li, Yu-Feng Xia, Shuo-Yu |
| author_facet | Li, Ying-Ying Li, Yu-Feng Xia, Shuo-Yu |
| contents | Sterile neutrinos that couple to the Standard Model via the neutrino magnetic dipole portals have been extensively studied at various experiments. In this work, we scrutinize these interactions for sterile neutrinos in the mass range of $\unit[0.1]{}-\unit[50]{MeV}$ through the nuclear and electron recoils at various neutrino scattering experiments. For the $e$-flavor specific dipole portal, we demonstrate that Dresden-II can provide leading constraints for $m_N \lesssim \unit[0.5]{MeV}$, setting aside currently unresolved theoretical uncertainties. For the $μ$-flavor case, we show that the COHERENT experiment can probe a unique parameter region for $m_N$ in the range of $\unit[10]{}-\unit[40]{MeV}$ with the full dataset collected by the CsI[Na] scintillation detector, including both the energy and timing structure of the neutrino beam. We also present limits on the parameter regions of the $τ$-flavor dipole portal using measurements of the solar neutrino flux from dark matter direct detection experiments. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2406_07477 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Neutrino magnetic dipole portal with low energy neutrino nucleus scattering data Li, Ying-Ying Li, Yu-Feng Xia, Shuo-Yu High Energy Physics - Phenomenology High Energy Physics - Experiment Sterile neutrinos that couple to the Standard Model via the neutrino magnetic dipole portals have been extensively studied at various experiments. In this work, we scrutinize these interactions for sterile neutrinos in the mass range of $\unit[0.1]{}-\unit[50]{MeV}$ through the nuclear and electron recoils at various neutrino scattering experiments. For the $e$-flavor specific dipole portal, we demonstrate that Dresden-II can provide leading constraints for $m_N \lesssim \unit[0.5]{MeV}$, setting aside currently unresolved theoretical uncertainties. For the $μ$-flavor case, we show that the COHERENT experiment can probe a unique parameter region for $m_N$ in the range of $\unit[10]{}-\unit[40]{MeV}$ with the full dataset collected by the CsI[Na] scintillation detector, including both the energy and timing structure of the neutrino beam. We also present limits on the parameter regions of the $τ$-flavor dipole portal using measurements of the solar neutrino flux from dark matter direct detection experiments. |
| title | Neutrino magnetic dipole portal with low energy neutrino nucleus scattering data |
| topic | High Energy Physics - Phenomenology High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2406.07477 |