Lepton Flavour Violation (LFV) searches at Belle II: tau->3mu analysis expectations

Alberto Martini

20 February 2020
58th International Winter Conference on Nuclear Physics

Abstract: The Belle II experiment at the SuperKEKB energy-asymmetric 𝑒+𝑒− collider is a substantial upgrade of the B factory facility at the Japanese KEK laboratory. Exploiting the improved collider, Belle II will play an important role in the Lepton Flavour Violation (LFV) field by collecting a huge amount of statistics (50 ab−1 expected by 2028) which allows to probe new physics scenario with best precision. Several LFV measurement can be performed by investigating 𝜏 physics and Belle II, thanks to SuperKEKB, is going to contribute by providing a large 𝜏 sample with ``background free'' environment. This kind of analysis are very promising, in fact also many LHC groups are trying to get new results in this direction. This talk will review the state of the LFV searches at Belle II and it will focus on the analysis strategy of the decay 𝜏→𝜇𝜇𝜇 where a preforming muon identification algorithm is crucial.

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 Record created 2020-03-03, last modified 2020-03-03

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