Majorana CP-violating phases and NSI effects in Neutrino Decay
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arXiv
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| Format: | Preprint |
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2022
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| author | Alok, Ashutosh Kumar Chundawat, Neetu Raj Singh Mandal, Arindam Soni, Bhavya |
| author_facet | Alok, Ashutosh Kumar Chundawat, Neetu Raj Singh Mandal, Arindam Soni, Bhavya |
| contents | In this work, we investigate the impact of neutrino decay in the presence of Non-Standard Interactions (NSI) along with the effects of the Majorana phase on neutrino decay in matter in the context of two-flavor neutrino oscillations. These effects are studied on neutrino oscillation probabilities $P_{αβ} \equiv P(ν_α \to ν_β)$, and the difference $ΔP_{αβ} \equiv P(ν_α \to ν_β) - P(\bar ν_α \to \barν_β)$ for several accelerator and reactor neutrino experiments. We find that for $P_{αβ}$, the influence of the Majorana phase on decay in matter can be replicated by the simultaneous presence of both decay and NSI. However, precise measurements of the $P_{αβ}$ and $ΔP_{αβ}$ observables have the potential to unequivocally identify the presence of the Majorana phase by discerning its effects from the concurrent presence of both decay and NSI. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2208_14881 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | Majorana CP-violating phases and NSI effects in Neutrino Decay Alok, Ashutosh Kumar Chundawat, Neetu Raj Singh Mandal, Arindam Soni, Bhavya High Energy Physics - Phenomenology In this work, we investigate the impact of neutrino decay in the presence of Non-Standard Interactions (NSI) along with the effects of the Majorana phase on neutrino decay in matter in the context of two-flavor neutrino oscillations. These effects are studied on neutrino oscillation probabilities $P_{αβ} \equiv P(ν_α \to ν_β)$, and the difference $ΔP_{αβ} \equiv P(ν_α \to ν_β) - P(\bar ν_α \to \barν_β)$ for several accelerator and reactor neutrino experiments. We find that for $P_{αβ}$, the influence of the Majorana phase on decay in matter can be replicated by the simultaneous presence of both decay and NSI. However, precise measurements of the $P_{αβ}$ and $ΔP_{αβ}$ observables have the potential to unequivocally identify the presence of the Majorana phase by discerning its effects from the concurrent presence of both decay and NSI. |
| title | Majorana CP-violating phases and NSI effects in Neutrino Decay |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2208.14881 |