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arXiv · 2310.06642

Precision Muon-Related Observables as a Tool to Constrain New Physics Models

Gabriel Lourenço·André Milagre·Rui Santos·João P. Silva
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Abstract

We propose a set of precision muon-related observables that serve as a tool to constrain new physics models. Using LEP's precision measurements on the $Z$-boson pole, we derive bounds on the new physics quantum contributions to the decay $Z \to \mu^+ \mu^-$. We show that the new precision observables have a real impact on two specific models that solve the $g-2$ anomaly and provide a sound dark matter candidate.

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Gabriel Lourenço, André Milagre, Rui Santos, João P. Silva. 2023-10-10. Precision Muon-Related Observables as a Tool to Constrain New Physics Models. https://arxiv.org/abs/2310.06642

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