Effects of tau-neutrino detection on non-standard interactions at DUNE with a short discussion on the nature of neutrino mixing
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| Main Authors: | , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866915939742646272 |
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| author | Yu, Xin Yue Guan, Zishen Dallaway, William Rahaman, Ushak Ilic, Nikolina |
| author_facet | Yu, Xin Yue Guan, Zishen Dallaway, William Rahaman, Ushak Ilic, Nikolina |
| contents | In this paper, we investigate the effects of $ν_τ$ and $\barν_τ$ detection at the DUNE far detector on the experiment's sensitivity to Non-Standard Interactions (NSI) in neutrino propagation. We show that the strongest observable NSI effect in the $ν_τ$ and $\barν_τ$ appearance probabilities arises from $ε_{μτ}$. We have studied the hierarchy sensitivity, CP violation sensitivity and octant sensitivity of DUNE from $ν_τ$ and $\barν_τ$ appearance channels in presence of NSI. We have also studied the detection sensitivity of NSI phases and the future constaints on NSI parameters from the tau neutrino appearance channels in DUNE. Additionally, we examine the role of $ν_τ$ detection in constraining the unitary nature of the PMNS matrix. These studies emphasize the importance of incorporating $ν_τ$ detection in long-baseline neutrino experiments such as DUNE. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2503_16124 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Effects of tau-neutrino detection on non-standard interactions at DUNE with a short discussion on the nature of neutrino mixing Yu, Xin Yue Guan, Zishen Dallaway, William Rahaman, Ushak Ilic, Nikolina High Energy Physics - Phenomenology High Energy Physics - Experiment High Energy Physics - Theory In this paper, we investigate the effects of $ν_τ$ and $\barν_τ$ detection at the DUNE far detector on the experiment's sensitivity to Non-Standard Interactions (NSI) in neutrino propagation. We show that the strongest observable NSI effect in the $ν_τ$ and $\barν_τ$ appearance probabilities arises from $ε_{μτ}$. We have studied the hierarchy sensitivity, CP violation sensitivity and octant sensitivity of DUNE from $ν_τ$ and $\barν_τ$ appearance channels in presence of NSI. We have also studied the detection sensitivity of NSI phases and the future constaints on NSI parameters from the tau neutrino appearance channels in DUNE. Additionally, we examine the role of $ν_τ$ detection in constraining the unitary nature of the PMNS matrix. These studies emphasize the importance of incorporating $ν_τ$ detection in long-baseline neutrino experiments such as DUNE. |
| title | Effects of tau-neutrino detection on non-standard interactions at DUNE with a short discussion on the nature of neutrino mixing |
| topic | High Energy Physics - Phenomenology High Energy Physics - Experiment High Energy Physics - Theory |
| url | https://arxiv.org/abs/2503.16124 |