2 papers
hep-ex2026
Searches for charged-lepton-flavor violation in decays
Belle, Belle II Collaborations, : +415
We report the first searches for charged-lepton-flavor violation in decays of ( and ) to a pair of charged leptons using 158 million decays collect…
hep-ex2026
Study of via initial-state radiation at Belle~II
Belle II Collaboration, M. Abumusabh, I. Adachi +417
Using a data sample of 427.9 fb collected by the Belle~II detector at or near the and resonances, the cross sections for …