Search for the Lepton Flavour Violating decays $Υ(2S)\rightarrow e^{\pm}μ^{\mp}$ and $Υ(3S)\rightarrow e^{\pm}μ^{\mp}$

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Bibliographic Details
Main Authors:	Ahmed, H., Tasneem, N., Roney, J. M.
Format:	Preprint
Published:	2026
Subjects:	High Energy Physics - Experiment
Online Access:	Acceder al recurso
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author	Ahmed, H. Tasneem, N. Roney, J. M.
author_facet	Ahmed, H. Tasneem, N. Roney, J. M.
contents	Charged lepton flavour violating processes are unobservable in the standard model, but they are predicted to be enhanced in several new physics extensions. We present the results of a search for $Υ(2S)$ and $Υ(3S)$ decays to $e^{\pm}μ^{\mp}$ decays. The search was conducted using data samples consisting of 99 million $Υ(2S)$ and 122 million $Υ(3S)$ mesons, collected at center-of-mass energies of 10.02 and 10.36 GeV, respectively, by the BABAR detector at the SLAC PEP-II $e^{+}e^{-}$ collider.
format	Preprint
id	arxiv_https___arxiv_org_abs_2603_05799
institution	arXiv
publishDate	2026
record_format	arxiv
spellingShingle	Search for the Lepton Flavour Violating decays $Υ(2S)\rightarrow e^{\pm}μ^{\mp}$ and $Υ(3S)\rightarrow e^{\pm}μ^{\mp}$ Ahmed, H. Tasneem, N. Roney, J. M. High Energy Physics - Experiment Charged lepton flavour violating processes are unobservable in the standard model, but they are predicted to be enhanced in several new physics extensions. We present the results of a search for $Υ(2S)$ and $Υ(3S)$ decays to $e^{\pm}μ^{\mp}$ decays. The search was conducted using data samples consisting of 99 million $Υ(2S)$ and 122 million $Υ(3S)$ mesons, collected at center-of-mass energies of 10.02 and 10.36 GeV, respectively, by the BABAR detector at the SLAC PEP-II $e^{+}e^{-}$ collider.
title	Search for the Lepton Flavour Violating decays $Υ(2S)\rightarrow e^{\pm}μ^{\mp}$ and $Υ(3S)\rightarrow e^{\pm}μ^{\mp}$
topic	High Energy Physics - Experiment
url	https://arxiv.org/abs/2603.05799