Constraining nonstandard neutrino interactions at electron colliders

Liao, Jiajun; Zhang, Yu

doi:10.48550/arxiv.2105.11215

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2021

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“…In principle, matter interactions [42][43][44][45], nonstandard interactions [46][47][48], and other new physics may modify the leptonic mixing matrix at the source of the HAN. Similar to the case of the solar neutrinos [49], we suppose that the HAN in their motherland undergo an adiabatic flavor evolution.…”

Section: Introductionmentioning

confidence: 99%

The Nonsymmetric Flavor Transition Matrix and the Apparent P violation

Rong¹,

Xu²

2021

Preprint

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The leptonic mixing parameters of high precision and the next-generation neutrino telescopes make it possible to test new physics in the flavor transition of the high-energy astrophysical neutrinos(HAN). We introduce a nonsymmetric matrix to modify the predictions of the standard flavor transition matrix. It is constructed with the mixing matrix in vacuum and that at the source of the HAN. The mismatch of the mixing matrices results in the new expectation of the flavor ratio of the HAN at Earth. It also leads to a secondary effect called the apparent P violation(APV). The quantitative analyses of the new effects are performed with a moderate setup of the parameters at the source of the HAN. The correlations between the mixing parameters and the new predictions are shown. From the correlations, the dominant parameters determining the new-physics effects are identified.

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