PoS - Proceedings of Science
Volume 462 - 16th International Conference on Heavy Quarks and Leptons (HQL2023) - Posters
Lepton flavour universality in š¯‘¾ boson decays
P.Ā Suryadevara*, G.Ā Mohanty, S.Ā Dugad and S.Ā Mitra
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Pre-published on: June 24, 2024
Published on: ā€”
Abstract
The standard model (SM) predicts that the $W$ boson decays equally to all three flavours of leptons, known as lepton flavour universality. Many studies have been performed to measure the rate at which the $W$ boson decays to different flavors of leptons to test this accidental symmetry. Because of the high mass of the $\tau$ lepton, the measurement of the ratio between the branching fraction of $W$ bosons in $\tau$ and $\mu$ channels is a good probe for physics beyond the SM. We report the results on lepton flavour universality from different experiments
DOI: https://doi.org/10.22323/1.462.0079
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