Modular TM$_1$ mixing in light of precision measurement in JUNO
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866911277425623040 |
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| author | Jiang, Wen-Hao Ouyang, Ruiwen Zhou, Ye-Ling |
| author_facet | Jiang, Wen-Hao Ouyang, Ruiwen Zhou, Ye-Ling |
| contents | This paper investigates the landscape of models based on modular $S_4$ symmetry that predicts the trimaximal TM$_1$ mixing pattern for leptonic flavor mixing, and explores their parameter spaces with constraints from the latest high-precision measurement on $θ_{12}$ and $Δm^2_{21}$ given by JUNO experiment. We review on how the mixing pattern arises from residual symmetries after the spontaneous breaking of a flavor symmetry, via an appropriate vacuum alignment of modular fields and flavon fields. We show three different models that realize the TM$_1$ in three approaches with the same symmetry structure. Due to different model building strategies used, predictions on the CP-violating phase and the effective mass in neutrinoless double beta decay are different, making them distinguishable. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_16348 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Modular TM$_1$ mixing in light of precision measurement in JUNO Jiang, Wen-Hao Ouyang, Ruiwen Zhou, Ye-Ling High Energy Physics - Phenomenology This paper investigates the landscape of models based on modular $S_4$ symmetry that predicts the trimaximal TM$_1$ mixing pattern for leptonic flavor mixing, and explores their parameter spaces with constraints from the latest high-precision measurement on $θ_{12}$ and $Δm^2_{21}$ given by JUNO experiment. We review on how the mixing pattern arises from residual symmetries after the spontaneous breaking of a flavor symmetry, via an appropriate vacuum alignment of modular fields and flavon fields. We show three different models that realize the TM$_1$ in three approaches with the same symmetry structure. Due to different model building strategies used, predictions on the CP-violating phase and the effective mass in neutrinoless double beta decay are different, making them distinguishable. |
| title | Modular TM$_1$ mixing in light of precision measurement in JUNO |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2511.16348 |