4 papers
hep-ex2026
Charged-lepton identification at Belle~II
Belle II Collaboration, M. Abumusabh, I. Adachi +409
Effective particle identification capabilities are a strategic priority for the physics program of the Belle~II experiment. We describe the algorithms used at Belle~II for identify…
hep-ex2026
First evidence of and search for
Belle, Belle II Collaborations, : +412
We search for the pionic transitions and in decays using the Belle and Belle~II data samples c…
hep-ex2025
Improved measurement of Born cross sections for and ( = 0, 1, 2) at Belle and Belle II
Belle, Belle II Collaborations, : +424
We study the processes and ( = 0, 1, 2) at center-of-mass energies from 10.73 to 11.02 GeV using a $142.5\,\mathrm{fb}^{…
hep-ex2024
Search for at GeV
Belle Collaboration, A. Boschetti, R. Mussa +140
In the bottomonium sector, the hindered magnetic dipole (M1) transitions between P-wave states , , are expected to be severely su…