2 papers
hep-ex2026
Search for the decay
Belle, Belle II Collaborations, : +432
We present the first search for decays. We look for signal decays in events produced in asymmetric-energy electron-positron collisions.…
hep-ex2026
Searches for charged-lepton-flavor violation in decays
Belle, Belle II Collaborations, : +425
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…