4 papers
hep-ex2025
Measurement of the Ratio of Partial Branching Fractions of Inclusive to and the Ratio of their Spectra with Hadronic Tagging
Belle Collaboration, M. Hohmann, P. Urquijo +157
We present a measurement of the ratio of partial branching fractions of the semi-leptonic inclusive decays, to $\overline{B} \to X_{c} \el…
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…
hep-ex2024
Measurement of asymmetries in decays at Belle II
Belle II Collaboration, I. Adachi, L. Aggarwal +399
We describe a measurement of charge-parity () violation asymmetries in decays using Belle II data. We consider and $η'\toÏ(\toÏ^…
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…