3 papers
hep-ex2025
Search for decays at the Belle II experiment
Belle II Collaboration, I. Adachi, K. Adamczyk +446
We present a search for the rare flavor-changing neutral-current decay with data collected by the Belle II experiment at the SuperKEKB electron-posit…
hep-ex2025
Measurement of decays at Belle II
Belle II Collaboration, I. Adachi, L. Aggarwal +451
We present measurements of decays using of data collected from 2019 to 2022 by the Belle~II experiment at the SuperKEKB asymmetric-energ…
hep-ex2024
Observation of and measurement of the effective couplings of to and
Belle Collaboration, S. Jia, C. P. Shen +117
Using , , and data collected by the Belle detector, we discover a new three-body decay, , with a significance of…