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arXiv · 2212.14528

Neutrinophilic DM annihilation in a model with $U(1)_{L_\mu-L_\tau} \times U(1)_{H}$ gauge symmetry

Keiko I. Nagao·Takaaki Nomura·Hiroshi Okada·Takashi Shimomura
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Abstract

We propose a model with two different extra $U(1)$ gauge symmetries; muon minus tauon symmetry $U(1)_{{L_\mu}-L_{\tau}}$ and hidden symmetry $U(1)_H$. Then, we explain muon anomalous magnetic moment, semi-leptonic decays $b\to s\ell\bar\ell$, and dark matter. In particular, we find an intriguing dark matter candidate to be verified by Hyper-Kamiokande and JUNO in the future that request neutrinophilic DM with rather light dark matter mass$\sim{\cal O}(10)$ MeV.

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Keiko I. Nagao, Takaaki Nomura, Hiroshi Okada, Takashi Shimomura. 2022-12-30. Neutrinophilic DM annihilation in a model with $U(1)_{L_\mu-L_\tau} \times U(1)_{H}$ gauge symmetry. https://doi.org/10.1103/physrevd.108.055032

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