Search for Charged Lepton Flavor Violation at future lepton colliders with Z' model
J. Li* and
Z. You*: corresponding author
Pre-published on:
February 14, 2025
Published on:
April 29, 2025
Abstract
Charged lepton flavor violation (CLFV) poses a compelling indicator of potential physics beyond the standard model by violating the conservation of lepton flavor. A model is utilized featuring an additional Z$^{\prime}$ gauge boson to conduct an extensive comparative analysis of CLFV investigations at future lepton collider facilities, including a 240 GeV electron-positron collider and a muon collider at the TeV scale. Employing fast Monte-Carlo simulations and data analyses, we evaluate the detection prospects for Z$^{\prime}$-induced CLFV interactions, specifically targeting the $e\mu$, $e\tau$, and $\mu\tau$ couplings. The results are compared with the existing and anticipated limits determined by low-energy experiments and the high-energy pursuits at the LHC. The sensitivity on the $\tau$ related CLFV coupling strength can be significantly improved in comparison to the current best constraints and prospect constraints.
DOI: https://doi.org/10.22323/1.476.0447
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