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arXiv · 2206.15256

An alternative gauged $U(1)_R$ symmetric model in light of the CDF II $W$ boson mass anomaly

Keiko I. Nagao·Takaaki Nomura·Hiroshi Okada
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Abstract

We consider an explanation of CDF II W bosom mass anomaly by $Z-Z'$ mixing with $U(1)_R$ gauge symmetry under which right-handed fermions are charged. It is found that $U(1)_R$ is preferred to be leptophobic to accommodate the anomaly while avoiding other experimental constraints. In such a case we require extra charged leptons to cancel quantum anomalies and the SM charged leptons get masses via interactions with the extra ones. These interactions also induce muon $g-2$ and lepton flavor violations. We discuss muon $g-2$, possible flavor constraints, neutrino mass generation via inverse seesaw mechanism, and collider physics regarding $Z'$ production for parameter space explaining the W boson mass anomaly.

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Keiko I. Nagao, Takaaki Nomura, Hiroshi Okada. 2022-12-14. An alternative gauged $U(1)_R$ symmetric model in light of the CDF II $W$ boson mass anomaly. https://doi.org/10.1103/physrevd.106.115011

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