papers

Publications (33)

hep-ex2024

Observations of the singly Cabibbo-suppressed decays , , and at Belle and Belle II

Belle, Belle II Collaborations, : +345

Using data samples of 983.0~ and 427.9~ accumulated with the Belle and Belle~II detectors operating at the KEKB and SuperKEKB asymmetric-energy c…

hep-ex2025

Model-independent measurement of - mixing parameters in decays at Belle and Belle II

Belle, Belle II Collaborations, : +339

We perform a model-independent measurement of the - mixing parameters using samples of -collision data collected by the Belle and Belle II experiment…

hep-ex2026

First measurement of the masses of the and states and the energy dependence of the cross sections for and

Belle, Belle II Collaborations, : +398

We study the processes and at center-of-mass energies =(10.73 -- 11.02) GeV using a data sampl…

hep-ex2026

Measurement of time-dependent asymmetries in decays at Belle and Belle II

Belle, Belle II Collaborations, : +350

We present a measurement of the time-dependent asymmetry in decays using a data set of 365 fb recorded by the Belle II experim…

hep-ex2024

Search for the decay using Belle and Belle II data

Belle, Belle II Collaborations, : +407

We report the result of a search for the rare decay using a combined dataset of pairs collected by the Belle experiment and $387\times…

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 colle…