1 July 2020 to 31 March 2021
Asia/Tokyo timezone

Probing μτ flavor-violating solutions for the muon g−2 anomaly at colliders

4 Aug 2020, 16:00
20m

Speaker

Dr Michihisa Takeuchi (KMI, Nagoya)

Description

The discrepancy between the measured value and the Standard Model prediction of the muon anomalous magnetic moment is one of the most important issues in the particle physics. It is known that introducing a mediator boson X with the μτ lepton flavor violating (LFV) couplings is one good solution to explain the discrepancy, due to the τ mass enhancement in the one-loop correction. We study the signal of this model, i.e. the same-sign leptons, at the LHC and at the Belle II, assuming the flavor-diagonal couplings are suppressed. We show that the Belle II experiment is highly sensitive to the scenario in the mediator mass range of {\cal O}(1-10)~GeV, using the e+e− to \mu \tau \mu \tau process induced by the X.

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