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We present recent measurements of physics at the Belle II experiment at SuperKEKB. Measurements include a test of e- lepton flavor universality in decays, a search for the lepton flavor violating decay and a precision measurement of the lepton invariant mass. In addition, we present a measurement of the low multiplicity decay cross section (e^+ e^- ^+ ^- ⁰), a key input in the theoretical prediction of the anomalous magnetic moment of the muon.
Philipp Horak (Thu,) studied this question.
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